| 1 | /* |
| 2 | * VC-1 and WMV3 decoder |
| 3 | * Copyright (c) 2011 Mashiat Sarker Shakkhar |
| 4 | * Copyright (c) 2006-2007 Konstantin Shishkov |
| 5 | * Partly based on vc9.c (c) 2005 Anonymous, Alex Beregszaszi, Michael Niedermayer |
| 6 | * |
| 7 | * This file is part of FFmpeg. |
| 8 | * |
| 9 | * FFmpeg is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU Lesser General Public |
| 11 | * License as published by the Free Software Foundation; either |
| 12 | * version 2.1 of the License, or (at your option) any later version. |
| 13 | * |
| 14 | * FFmpeg is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17 | * Lesser General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU Lesser General Public |
| 20 | * License along with FFmpeg; if not, write to the Free Software |
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 22 | */ |
| 23 | |
| 24 | /** |
| 25 | * @file |
| 26 | * VC-1 and WMV3 decoder |
| 27 | */ |
| 28 | |
| 29 | #include "internal.h" |
| 30 | #include "avcodec.h" |
| 31 | #include "error_resilience.h" |
| 32 | #include "mpeg_er.h" |
| 33 | #include "mpegutils.h" |
| 34 | #include "mpegvideo.h" |
| 35 | #include "h263.h" |
| 36 | #include "h264chroma.h" |
| 37 | #include "qpeldsp.h" |
| 38 | #include "vc1.h" |
| 39 | #include "vc1data.h" |
| 40 | #include "vc1acdata.h" |
| 41 | #include "msmpeg4data.h" |
| 42 | #include "unary.h" |
| 43 | #include "mathops.h" |
| 44 | #include "vdpau_internal.h" |
| 45 | #include "libavutil/avassert.h" |
| 46 | |
| 47 | #undef NDEBUG |
| 48 | #include <assert.h> |
| 49 | |
| 50 | #define MB_INTRA_VLC_BITS 9 |
| 51 | #define DC_VLC_BITS 9 |
| 52 | |
| 53 | |
| 54 | // offset tables for interlaced picture MVDATA decoding |
| 55 | static const int offset_table1[9] = { 0, 1, 2, 4, 8, 16, 32, 64, 128 }; |
| 56 | static const int offset_table2[9] = { 0, 1, 3, 7, 15, 31, 63, 127, 255 }; |
| 57 | |
| 58 | /***********************************************************************/ |
| 59 | /** |
| 60 | * @name VC-1 Bitplane decoding |
| 61 | * @see 8.7, p56 |
| 62 | * @{ |
| 63 | */ |
| 64 | |
| 65 | |
| 66 | static void init_block_index(VC1Context *v) |
| 67 | { |
| 68 | MpegEncContext *s = &v->s; |
| 69 | ff_init_block_index(s); |
| 70 | if (v->field_mode && !(v->second_field ^ v->tff)) { |
| 71 | s->dest[0] += s->current_picture_ptr->f->linesize[0]; |
| 72 | s->dest[1] += s->current_picture_ptr->f->linesize[1]; |
| 73 | s->dest[2] += s->current_picture_ptr->f->linesize[2]; |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | /** @} */ //Bitplane group |
| 78 | |
| 79 | static void vc1_put_signed_blocks_clamped(VC1Context *v) |
| 80 | { |
| 81 | MpegEncContext *s = &v->s; |
| 82 | int topleft_mb_pos, top_mb_pos; |
| 83 | int stride_y, fieldtx = 0; |
| 84 | int v_dist; |
| 85 | |
| 86 | /* The put pixels loop is always one MB row behind the decoding loop, |
| 87 | * because we can only put pixels when overlap filtering is done, and |
| 88 | * for filtering of the bottom edge of a MB, we need the next MB row |
| 89 | * present as well. |
| 90 | * Within the row, the put pixels loop is also one MB col behind the |
| 91 | * decoding loop. The reason for this is again, because for filtering |
| 92 | * of the right MB edge, we need the next MB present. */ |
| 93 | if (!s->first_slice_line) { |
| 94 | if (s->mb_x) { |
| 95 | topleft_mb_pos = (s->mb_y - 1) * s->mb_stride + s->mb_x - 1; |
| 96 | if (v->fcm == ILACE_FRAME) |
| 97 | fieldtx = v->fieldtx_plane[topleft_mb_pos]; |
| 98 | stride_y = s->linesize << fieldtx; |
| 99 | v_dist = (16 - fieldtx) >> (fieldtx == 0); |
| 100 | s->idsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][0], |
| 101 | s->dest[0] - 16 * s->linesize - 16, |
| 102 | stride_y); |
| 103 | s->idsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][1], |
| 104 | s->dest[0] - 16 * s->linesize - 8, |
| 105 | stride_y); |
| 106 | s->idsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][2], |
| 107 | s->dest[0] - v_dist * s->linesize - 16, |
| 108 | stride_y); |
| 109 | s->idsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][3], |
| 110 | s->dest[0] - v_dist * s->linesize - 8, |
| 111 | stride_y); |
| 112 | s->idsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][4], |
| 113 | s->dest[1] - 8 * s->uvlinesize - 8, |
| 114 | s->uvlinesize); |
| 115 | s->idsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][5], |
| 116 | s->dest[2] - 8 * s->uvlinesize - 8, |
| 117 | s->uvlinesize); |
| 118 | } |
| 119 | if (s->mb_x == s->mb_width - 1) { |
| 120 | top_mb_pos = (s->mb_y - 1) * s->mb_stride + s->mb_x; |
| 121 | if (v->fcm == ILACE_FRAME) |
| 122 | fieldtx = v->fieldtx_plane[top_mb_pos]; |
| 123 | stride_y = s->linesize << fieldtx; |
| 124 | v_dist = fieldtx ? 15 : 8; |
| 125 | s->idsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][0], |
| 126 | s->dest[0] - 16 * s->linesize, |
| 127 | stride_y); |
| 128 | s->idsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][1], |
| 129 | s->dest[0] - 16 * s->linesize + 8, |
| 130 | stride_y); |
| 131 | s->idsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][2], |
| 132 | s->dest[0] - v_dist * s->linesize, |
| 133 | stride_y); |
| 134 | s->idsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][3], |
| 135 | s->dest[0] - v_dist * s->linesize + 8, |
| 136 | stride_y); |
| 137 | s->idsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][4], |
| 138 | s->dest[1] - 8 * s->uvlinesize, |
| 139 | s->uvlinesize); |
| 140 | s->idsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][5], |
| 141 | s->dest[2] - 8 * s->uvlinesize, |
| 142 | s->uvlinesize); |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | #define inc_blk_idx(idx) do { \ |
| 147 | idx++; \ |
| 148 | if (idx >= v->n_allocated_blks) \ |
| 149 | idx = 0; \ |
| 150 | } while (0) |
| 151 | |
| 152 | inc_blk_idx(v->topleft_blk_idx); |
| 153 | inc_blk_idx(v->top_blk_idx); |
| 154 | inc_blk_idx(v->left_blk_idx); |
| 155 | inc_blk_idx(v->cur_blk_idx); |
| 156 | } |
| 157 | |
| 158 | static void vc1_loop_filter_iblk(VC1Context *v, int pq) |
| 159 | { |
| 160 | MpegEncContext *s = &v->s; |
| 161 | int j; |
| 162 | if (!s->first_slice_line) { |
| 163 | v->vc1dsp.vc1_v_loop_filter16(s->dest[0], s->linesize, pq); |
| 164 | if (s->mb_x) |
| 165 | v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize, s->linesize, pq); |
| 166 | v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize + 8, s->linesize, pq); |
| 167 | for (j = 0; j < 2; j++) { |
| 168 | v->vc1dsp.vc1_v_loop_filter8(s->dest[j + 1], s->uvlinesize, pq); |
| 169 | if (s->mb_x) |
| 170 | v->vc1dsp.vc1_h_loop_filter8(s->dest[j + 1] - 8 * s->uvlinesize, s->uvlinesize, pq); |
| 171 | } |
| 172 | } |
| 173 | v->vc1dsp.vc1_v_loop_filter16(s->dest[0] + 8 * s->linesize, s->linesize, pq); |
| 174 | |
| 175 | if (s->mb_y == s->end_mb_y - 1) { |
| 176 | if (s->mb_x) { |
| 177 | v->vc1dsp.vc1_h_loop_filter16(s->dest[0], s->linesize, pq); |
| 178 | v->vc1dsp.vc1_h_loop_filter8(s->dest[1], s->uvlinesize, pq); |
| 179 | v->vc1dsp.vc1_h_loop_filter8(s->dest[2], s->uvlinesize, pq); |
| 180 | } |
| 181 | v->vc1dsp.vc1_h_loop_filter16(s->dest[0] + 8, s->linesize, pq); |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | static void vc1_loop_filter_iblk_delayed(VC1Context *v, int pq) |
| 186 | { |
| 187 | MpegEncContext *s = &v->s; |
| 188 | int j; |
| 189 | |
| 190 | /* The loopfilter runs 1 row and 1 column behind the overlap filter, which |
| 191 | * means it runs two rows/cols behind the decoding loop. */ |
| 192 | if (!s->first_slice_line) { |
| 193 | if (s->mb_x) { |
| 194 | if (s->mb_y >= s->start_mb_y + 2) { |
| 195 | v->vc1dsp.vc1_v_loop_filter16(s->dest[0] - 16 * s->linesize - 16, s->linesize, pq); |
| 196 | |
| 197 | if (s->mb_x >= 2) |
| 198 | v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 32 * s->linesize - 16, s->linesize, pq); |
| 199 | v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 32 * s->linesize - 8, s->linesize, pq); |
| 200 | for (j = 0; j < 2; j++) { |
| 201 | v->vc1dsp.vc1_v_loop_filter8(s->dest[j + 1] - 8 * s->uvlinesize - 8, s->uvlinesize, pq); |
| 202 | if (s->mb_x >= 2) { |
| 203 | v->vc1dsp.vc1_h_loop_filter8(s->dest[j + 1] - 16 * s->uvlinesize - 8, s->uvlinesize, pq); |
| 204 | } |
| 205 | } |
| 206 | } |
| 207 | v->vc1dsp.vc1_v_loop_filter16(s->dest[0] - 8 * s->linesize - 16, s->linesize, pq); |
| 208 | } |
| 209 | |
| 210 | if (s->mb_x == s->mb_width - 1) { |
| 211 | if (s->mb_y >= s->start_mb_y + 2) { |
| 212 | v->vc1dsp.vc1_v_loop_filter16(s->dest[0] - 16 * s->linesize, s->linesize, pq); |
| 213 | |
| 214 | if (s->mb_x) |
| 215 | v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 32 * s->linesize, s->linesize, pq); |
| 216 | v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 32 * s->linesize + 8, s->linesize, pq); |
| 217 | for (j = 0; j < 2; j++) { |
| 218 | v->vc1dsp.vc1_v_loop_filter8(s->dest[j + 1] - 8 * s->uvlinesize, s->uvlinesize, pq); |
| 219 | if (s->mb_x >= 2) { |
| 220 | v->vc1dsp.vc1_h_loop_filter8(s->dest[j + 1] - 16 * s->uvlinesize, s->uvlinesize, pq); |
| 221 | } |
| 222 | } |
| 223 | } |
| 224 | v->vc1dsp.vc1_v_loop_filter16(s->dest[0] - 8 * s->linesize, s->linesize, pq); |
| 225 | } |
| 226 | |
| 227 | if (s->mb_y == s->end_mb_y) { |
| 228 | if (s->mb_x) { |
| 229 | if (s->mb_x >= 2) |
| 230 | v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize - 16, s->linesize, pq); |
| 231 | v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize - 8, s->linesize, pq); |
| 232 | if (s->mb_x >= 2) { |
| 233 | for (j = 0; j < 2; j++) { |
| 234 | v->vc1dsp.vc1_h_loop_filter8(s->dest[j + 1] - 8 * s->uvlinesize - 8, s->uvlinesize, pq); |
| 235 | } |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | if (s->mb_x == s->mb_width - 1) { |
| 240 | if (s->mb_x) |
| 241 | v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize, s->linesize, pq); |
| 242 | v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize + 8, s->linesize, pq); |
| 243 | if (s->mb_x) { |
| 244 | for (j = 0; j < 2; j++) { |
| 245 | v->vc1dsp.vc1_h_loop_filter8(s->dest[j + 1] - 8 * s->uvlinesize, s->uvlinesize, pq); |
| 246 | } |
| 247 | } |
| 248 | } |
| 249 | } |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | static void vc1_smooth_overlap_filter_iblk(VC1Context *v) |
| 254 | { |
| 255 | MpegEncContext *s = &v->s; |
| 256 | int mb_pos; |
| 257 | |
| 258 | if (v->condover == CONDOVER_NONE) |
| 259 | return; |
| 260 | |
| 261 | mb_pos = s->mb_x + s->mb_y * s->mb_stride; |
| 262 | |
| 263 | /* Within a MB, the horizontal overlap always runs before the vertical. |
| 264 | * To accomplish that, we run the H on left and internal borders of the |
| 265 | * currently decoded MB. Then, we wait for the next overlap iteration |
| 266 | * to do H overlap on the right edge of this MB, before moving over and |
| 267 | * running the V overlap. Therefore, the V overlap makes us trail by one |
| 268 | * MB col and the H overlap filter makes us trail by one MB row. This |
| 269 | * is reflected in the time at which we run the put_pixels loop. */ |
| 270 | if (v->condover == CONDOVER_ALL || v->pq >= 9 || v->over_flags_plane[mb_pos]) { |
| 271 | if (s->mb_x && (v->condover == CONDOVER_ALL || v->pq >= 9 || |
| 272 | v->over_flags_plane[mb_pos - 1])) { |
| 273 | v->vc1dsp.vc1_h_s_overlap(v->block[v->left_blk_idx][1], |
| 274 | v->block[v->cur_blk_idx][0]); |
| 275 | v->vc1dsp.vc1_h_s_overlap(v->block[v->left_blk_idx][3], |
| 276 | v->block[v->cur_blk_idx][2]); |
| 277 | if (!(s->flags & CODEC_FLAG_GRAY)) { |
| 278 | v->vc1dsp.vc1_h_s_overlap(v->block[v->left_blk_idx][4], |
| 279 | v->block[v->cur_blk_idx][4]); |
| 280 | v->vc1dsp.vc1_h_s_overlap(v->block[v->left_blk_idx][5], |
| 281 | v->block[v->cur_blk_idx][5]); |
| 282 | } |
| 283 | } |
| 284 | v->vc1dsp.vc1_h_s_overlap(v->block[v->cur_blk_idx][0], |
| 285 | v->block[v->cur_blk_idx][1]); |
| 286 | v->vc1dsp.vc1_h_s_overlap(v->block[v->cur_blk_idx][2], |
| 287 | v->block[v->cur_blk_idx][3]); |
| 288 | |
| 289 | if (s->mb_x == s->mb_width - 1) { |
| 290 | if (!s->first_slice_line && (v->condover == CONDOVER_ALL || v->pq >= 9 || |
| 291 | v->over_flags_plane[mb_pos - s->mb_stride])) { |
| 292 | v->vc1dsp.vc1_v_s_overlap(v->block[v->top_blk_idx][2], |
| 293 | v->block[v->cur_blk_idx][0]); |
| 294 | v->vc1dsp.vc1_v_s_overlap(v->block[v->top_blk_idx][3], |
| 295 | v->block[v->cur_blk_idx][1]); |
| 296 | if (!(s->flags & CODEC_FLAG_GRAY)) { |
| 297 | v->vc1dsp.vc1_v_s_overlap(v->block[v->top_blk_idx][4], |
| 298 | v->block[v->cur_blk_idx][4]); |
| 299 | v->vc1dsp.vc1_v_s_overlap(v->block[v->top_blk_idx][5], |
| 300 | v->block[v->cur_blk_idx][5]); |
| 301 | } |
| 302 | } |
| 303 | v->vc1dsp.vc1_v_s_overlap(v->block[v->cur_blk_idx][0], |
| 304 | v->block[v->cur_blk_idx][2]); |
| 305 | v->vc1dsp.vc1_v_s_overlap(v->block[v->cur_blk_idx][1], |
| 306 | v->block[v->cur_blk_idx][3]); |
| 307 | } |
| 308 | } |
| 309 | if (s->mb_x && (v->condover == CONDOVER_ALL || v->over_flags_plane[mb_pos - 1])) { |
| 310 | if (!s->first_slice_line && (v->condover == CONDOVER_ALL || v->pq >= 9 || |
| 311 | v->over_flags_plane[mb_pos - s->mb_stride - 1])) { |
| 312 | v->vc1dsp.vc1_v_s_overlap(v->block[v->topleft_blk_idx][2], |
| 313 | v->block[v->left_blk_idx][0]); |
| 314 | v->vc1dsp.vc1_v_s_overlap(v->block[v->topleft_blk_idx][3], |
| 315 | v->block[v->left_blk_idx][1]); |
| 316 | if (!(s->flags & CODEC_FLAG_GRAY)) { |
| 317 | v->vc1dsp.vc1_v_s_overlap(v->block[v->topleft_blk_idx][4], |
| 318 | v->block[v->left_blk_idx][4]); |
| 319 | v->vc1dsp.vc1_v_s_overlap(v->block[v->topleft_blk_idx][5], |
| 320 | v->block[v->left_blk_idx][5]); |
| 321 | } |
| 322 | } |
| 323 | v->vc1dsp.vc1_v_s_overlap(v->block[v->left_blk_idx][0], |
| 324 | v->block[v->left_blk_idx][2]); |
| 325 | v->vc1dsp.vc1_v_s_overlap(v->block[v->left_blk_idx][1], |
| 326 | v->block[v->left_blk_idx][3]); |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | /** Do motion compensation over 1 macroblock |
| 331 | * Mostly adapted hpel_motion and qpel_motion from mpegvideo.c |
| 332 | */ |
| 333 | static void vc1_mc_1mv(VC1Context *v, int dir) |
| 334 | { |
| 335 | MpegEncContext *s = &v->s; |
| 336 | H264ChromaContext *h264chroma = &v->h264chroma; |
| 337 | uint8_t *srcY, *srcU, *srcV; |
| 338 | int dxy, mx, my, uvmx, uvmy, src_x, src_y, uvsrc_x, uvsrc_y; |
| 339 | int v_edge_pos = s->v_edge_pos >> v->field_mode; |
| 340 | int i; |
| 341 | uint8_t (*luty)[256], (*lutuv)[256]; |
| 342 | int use_ic; |
| 343 | |
| 344 | if ((!v->field_mode || |
| 345 | (v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) && |
| 346 | !v->s.last_picture.f->data[0]) |
| 347 | return; |
| 348 | |
| 349 | mx = s->mv[dir][0][0]; |
| 350 | my = s->mv[dir][0][1]; |
| 351 | |
| 352 | // store motion vectors for further use in B frames |
| 353 | if (s->pict_type == AV_PICTURE_TYPE_P) { |
| 354 | for (i = 0; i < 4; i++) { |
| 355 | s->current_picture.motion_val[1][s->block_index[i] + v->blocks_off][0] = mx; |
| 356 | s->current_picture.motion_val[1][s->block_index[i] + v->blocks_off][1] = my; |
| 357 | } |
| 358 | } |
| 359 | |
| 360 | uvmx = (mx + ((mx & 3) == 3)) >> 1; |
| 361 | uvmy = (my + ((my & 3) == 3)) >> 1; |
| 362 | v->luma_mv[s->mb_x][0] = uvmx; |
| 363 | v->luma_mv[s->mb_x][1] = uvmy; |
| 364 | |
| 365 | if (v->field_mode && |
| 366 | v->cur_field_type != v->ref_field_type[dir]) { |
| 367 | my = my - 2 + 4 * v->cur_field_type; |
| 368 | uvmy = uvmy - 2 + 4 * v->cur_field_type; |
| 369 | } |
| 370 | |
| 371 | // fastuvmc shall be ignored for interlaced frame picture |
| 372 | if (v->fastuvmc && (v->fcm != ILACE_FRAME)) { |
| 373 | uvmx = uvmx + ((uvmx < 0) ? (uvmx & 1) : -(uvmx & 1)); |
| 374 | uvmy = uvmy + ((uvmy < 0) ? (uvmy & 1) : -(uvmy & 1)); |
| 375 | } |
| 376 | if (!dir) { |
| 377 | if (v->field_mode && (v->cur_field_type != v->ref_field_type[dir]) && v->second_field) { |
| 378 | srcY = s->current_picture.f->data[0]; |
| 379 | srcU = s->current_picture.f->data[1]; |
| 380 | srcV = s->current_picture.f->data[2]; |
| 381 | luty = v->curr_luty; |
| 382 | lutuv = v->curr_lutuv; |
| 383 | use_ic = *v->curr_use_ic; |
| 384 | } else { |
| 385 | srcY = s->last_picture.f->data[0]; |
| 386 | srcU = s->last_picture.f->data[1]; |
| 387 | srcV = s->last_picture.f->data[2]; |
| 388 | luty = v->last_luty; |
| 389 | lutuv = v->last_lutuv; |
| 390 | use_ic = v->last_use_ic; |
| 391 | } |
| 392 | } else { |
| 393 | srcY = s->next_picture.f->data[0]; |
| 394 | srcU = s->next_picture.f->data[1]; |
| 395 | srcV = s->next_picture.f->data[2]; |
| 396 | luty = v->next_luty; |
| 397 | lutuv = v->next_lutuv; |
| 398 | use_ic = v->next_use_ic; |
| 399 | } |
| 400 | |
| 401 | if (!srcY || !srcU) { |
| 402 | av_log(v->s.avctx, AV_LOG_ERROR, "Referenced frame missing.\n"); |
| 403 | return; |
| 404 | } |
| 405 | |
| 406 | src_x = s->mb_x * 16 + (mx >> 2); |
| 407 | src_y = s->mb_y * 16 + (my >> 2); |
| 408 | uvsrc_x = s->mb_x * 8 + (uvmx >> 2); |
| 409 | uvsrc_y = s->mb_y * 8 + (uvmy >> 2); |
| 410 | |
| 411 | if (v->profile != PROFILE_ADVANCED) { |
| 412 | src_x = av_clip( src_x, -16, s->mb_width * 16); |
| 413 | src_y = av_clip( src_y, -16, s->mb_height * 16); |
| 414 | uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8); |
| 415 | uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8); |
| 416 | } else { |
| 417 | src_x = av_clip( src_x, -17, s->avctx->coded_width); |
| 418 | src_y = av_clip( src_y, -18, s->avctx->coded_height + 1); |
| 419 | uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1); |
| 420 | uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1); |
| 421 | } |
| 422 | |
| 423 | srcY += src_y * s->linesize + src_x; |
| 424 | srcU += uvsrc_y * s->uvlinesize + uvsrc_x; |
| 425 | srcV += uvsrc_y * s->uvlinesize + uvsrc_x; |
| 426 | |
| 427 | if (v->field_mode && v->ref_field_type[dir]) { |
| 428 | srcY += s->current_picture_ptr->f->linesize[0]; |
| 429 | srcU += s->current_picture_ptr->f->linesize[1]; |
| 430 | srcV += s->current_picture_ptr->f->linesize[2]; |
| 431 | } |
| 432 | |
| 433 | /* for grayscale we should not try to read from unknown area */ |
| 434 | if (s->flags & CODEC_FLAG_GRAY) { |
| 435 | srcU = s->edge_emu_buffer + 18 * s->linesize; |
| 436 | srcV = s->edge_emu_buffer + 18 * s->linesize; |
| 437 | } |
| 438 | |
| 439 | if (v->rangeredfrm || use_ic |
| 440 | || s->h_edge_pos < 22 || v_edge_pos < 22 |
| 441 | || (unsigned)(src_x - s->mspel) > s->h_edge_pos - (mx&3) - 16 - s->mspel * 3 |
| 442 | || (unsigned)(src_y - 1) > v_edge_pos - (my&3) - 16 - 3) { |
| 443 | uint8_t *ubuf = s->edge_emu_buffer + 19 * s->linesize; |
| 444 | uint8_t *vbuf = ubuf + 9 * s->uvlinesize; |
| 445 | |
| 446 | srcY -= s->mspel * (1 + s->linesize); |
| 447 | s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY, |
| 448 | s->linesize, s->linesize, |
| 449 | 17 + s->mspel * 2, 17 + s->mspel * 2, |
| 450 | src_x - s->mspel, src_y - s->mspel, |
| 451 | s->h_edge_pos, v_edge_pos); |
| 452 | srcY = s->edge_emu_buffer; |
| 453 | s->vdsp.emulated_edge_mc(ubuf, srcU, |
| 454 | s->uvlinesize, s->uvlinesize, |
| 455 | 8 + 1, 8 + 1, |
| 456 | uvsrc_x, uvsrc_y, |
| 457 | s->h_edge_pos >> 1, v_edge_pos >> 1); |
| 458 | s->vdsp.emulated_edge_mc(vbuf, srcV, |
| 459 | s->uvlinesize, s->uvlinesize, |
| 460 | 8 + 1, 8 + 1, |
| 461 | uvsrc_x, uvsrc_y, |
| 462 | s->h_edge_pos >> 1, v_edge_pos >> 1); |
| 463 | srcU = ubuf; |
| 464 | srcV = vbuf; |
| 465 | /* if we deal with range reduction we need to scale source blocks */ |
| 466 | if (v->rangeredfrm) { |
| 467 | int i, j; |
| 468 | uint8_t *src, *src2; |
| 469 | |
| 470 | src = srcY; |
| 471 | for (j = 0; j < 17 + s->mspel * 2; j++) { |
| 472 | for (i = 0; i < 17 + s->mspel * 2; i++) |
| 473 | src[i] = ((src[i] - 128) >> 1) + 128; |
| 474 | src += s->linesize; |
| 475 | } |
| 476 | src = srcU; |
| 477 | src2 = srcV; |
| 478 | for (j = 0; j < 9; j++) { |
| 479 | for (i = 0; i < 9; i++) { |
| 480 | src[i] = ((src[i] - 128) >> 1) + 128; |
| 481 | src2[i] = ((src2[i] - 128) >> 1) + 128; |
| 482 | } |
| 483 | src += s->uvlinesize; |
| 484 | src2 += s->uvlinesize; |
| 485 | } |
| 486 | } |
| 487 | /* if we deal with intensity compensation we need to scale source blocks */ |
| 488 | if (use_ic) { |
| 489 | int i, j; |
| 490 | uint8_t *src, *src2; |
| 491 | |
| 492 | src = srcY; |
| 493 | for (j = 0; j < 17 + s->mspel * 2; j++) { |
| 494 | int f = v->field_mode ? v->ref_field_type[dir] : ((j + src_y - s->mspel) & 1) ; |
| 495 | for (i = 0; i < 17 + s->mspel * 2; i++) |
| 496 | src[i] = luty[f][src[i]]; |
| 497 | src += s->linesize; |
| 498 | } |
| 499 | src = srcU; |
| 500 | src2 = srcV; |
| 501 | for (j = 0; j < 9; j++) { |
| 502 | int f = v->field_mode ? v->ref_field_type[dir] : ((j + uvsrc_y) & 1); |
| 503 | for (i = 0; i < 9; i++) { |
| 504 | src[i] = lutuv[f][src[i]]; |
| 505 | src2[i] = lutuv[f][src2[i]]; |
| 506 | } |
| 507 | src += s->uvlinesize; |
| 508 | src2 += s->uvlinesize; |
| 509 | } |
| 510 | } |
| 511 | srcY += s->mspel * (1 + s->linesize); |
| 512 | } |
| 513 | |
| 514 | if (s->mspel) { |
| 515 | dxy = ((my & 3) << 2) | (mx & 3); |
| 516 | v->vc1dsp.put_vc1_mspel_pixels_tab[0][dxy](s->dest[0] , srcY , s->linesize, v->rnd); |
| 517 | } else { // hpel mc - always used for luma |
| 518 | dxy = (my & 2) | ((mx & 2) >> 1); |
| 519 | if (!v->rnd) |
| 520 | s->hdsp.put_pixels_tab[0][dxy](s->dest[0], srcY, s->linesize, 16); |
| 521 | else |
| 522 | s->hdsp.put_no_rnd_pixels_tab[0][dxy](s->dest[0], srcY, s->linesize, 16); |
| 523 | } |
| 524 | |
| 525 | if (s->flags & CODEC_FLAG_GRAY) return; |
| 526 | /* Chroma MC always uses qpel bilinear */ |
| 527 | uvmx = (uvmx & 3) << 1; |
| 528 | uvmy = (uvmy & 3) << 1; |
| 529 | if (!v->rnd) { |
| 530 | h264chroma->put_h264_chroma_pixels_tab[0](s->dest[1], srcU, s->uvlinesize, 8, uvmx, uvmy); |
| 531 | h264chroma->put_h264_chroma_pixels_tab[0](s->dest[2], srcV, s->uvlinesize, 8, uvmx, uvmy); |
| 532 | } else { |
| 533 | v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1], srcU, s->uvlinesize, 8, uvmx, uvmy); |
| 534 | v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2], srcV, s->uvlinesize, 8, uvmx, uvmy); |
| 535 | } |
| 536 | } |
| 537 | |
| 538 | static inline int median4(int a, int b, int c, int d) |
| 539 | { |
| 540 | if (a < b) { |
| 541 | if (c < d) return (FFMIN(b, d) + FFMAX(a, c)) / 2; |
| 542 | else return (FFMIN(b, c) + FFMAX(a, d)) / 2; |
| 543 | } else { |
| 544 | if (c < d) return (FFMIN(a, d) + FFMAX(b, c)) / 2; |
| 545 | else return (FFMIN(a, c) + FFMAX(b, d)) / 2; |
| 546 | } |
| 547 | } |
| 548 | |
| 549 | /** Do motion compensation for 4-MV macroblock - luminance block |
| 550 | */ |
| 551 | static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg) |
| 552 | { |
| 553 | MpegEncContext *s = &v->s; |
| 554 | uint8_t *srcY; |
| 555 | int dxy, mx, my, src_x, src_y; |
| 556 | int off; |
| 557 | int fieldmv = (v->fcm == ILACE_FRAME) ? v->blk_mv_type[s->block_index[n]] : 0; |
| 558 | int v_edge_pos = s->v_edge_pos >> v->field_mode; |
| 559 | uint8_t (*luty)[256]; |
| 560 | int use_ic; |
| 561 | |
| 562 | if ((!v->field_mode || |
| 563 | (v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) && |
| 564 | !v->s.last_picture.f->data[0]) |
| 565 | return; |
| 566 | |
| 567 | mx = s->mv[dir][n][0]; |
| 568 | my = s->mv[dir][n][1]; |
| 569 | |
| 570 | if (!dir) { |
| 571 | if (v->field_mode && (v->cur_field_type != v->ref_field_type[dir]) && v->second_field) { |
| 572 | srcY = s->current_picture.f->data[0]; |
| 573 | luty = v->curr_luty; |
| 574 | use_ic = *v->curr_use_ic; |
| 575 | } else { |
| 576 | srcY = s->last_picture.f->data[0]; |
| 577 | luty = v->last_luty; |
| 578 | use_ic = v->last_use_ic; |
| 579 | } |
| 580 | } else { |
| 581 | srcY = s->next_picture.f->data[0]; |
| 582 | luty = v->next_luty; |
| 583 | use_ic = v->next_use_ic; |
| 584 | } |
| 585 | |
| 586 | if (!srcY) { |
| 587 | av_log(v->s.avctx, AV_LOG_ERROR, "Referenced frame missing.\n"); |
| 588 | return; |
| 589 | } |
| 590 | |
| 591 | if (v->field_mode) { |
| 592 | if (v->cur_field_type != v->ref_field_type[dir]) |
| 593 | my = my - 2 + 4 * v->cur_field_type; |
| 594 | } |
| 595 | |
| 596 | if (s->pict_type == AV_PICTURE_TYPE_P && n == 3 && v->field_mode) { |
| 597 | int same_count = 0, opp_count = 0, k; |
| 598 | int chosen_mv[2][4][2], f; |
| 599 | int tx, ty; |
| 600 | for (k = 0; k < 4; k++) { |
| 601 | f = v->mv_f[0][s->block_index[k] + v->blocks_off]; |
| 602 | chosen_mv[f][f ? opp_count : same_count][0] = s->mv[0][k][0]; |
| 603 | chosen_mv[f][f ? opp_count : same_count][1] = s->mv[0][k][1]; |
| 604 | opp_count += f; |
| 605 | same_count += 1 - f; |
| 606 | } |
| 607 | f = opp_count > same_count; |
| 608 | switch (f ? opp_count : same_count) { |
| 609 | case 4: |
| 610 | tx = median4(chosen_mv[f][0][0], chosen_mv[f][1][0], |
| 611 | chosen_mv[f][2][0], chosen_mv[f][3][0]); |
| 612 | ty = median4(chosen_mv[f][0][1], chosen_mv[f][1][1], |
| 613 | chosen_mv[f][2][1], chosen_mv[f][3][1]); |
| 614 | break; |
| 615 | case 3: |
| 616 | tx = mid_pred(chosen_mv[f][0][0], chosen_mv[f][1][0], chosen_mv[f][2][0]); |
| 617 | ty = mid_pred(chosen_mv[f][0][1], chosen_mv[f][1][1], chosen_mv[f][2][1]); |
| 618 | break; |
| 619 | case 2: |
| 620 | tx = (chosen_mv[f][0][0] + chosen_mv[f][1][0]) / 2; |
| 621 | ty = (chosen_mv[f][0][1] + chosen_mv[f][1][1]) / 2; |
| 622 | break; |
| 623 | default: |
| 624 | av_assert0(0); |
| 625 | } |
| 626 | s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0] = tx; |
| 627 | s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1] = ty; |
| 628 | for (k = 0; k < 4; k++) |
| 629 | v->mv_f[1][s->block_index[k] + v->blocks_off] = f; |
| 630 | } |
| 631 | |
| 632 | if (v->fcm == ILACE_FRAME) { // not sure if needed for other types of picture |
| 633 | int qx, qy; |
| 634 | int width = s->avctx->coded_width; |
| 635 | int height = s->avctx->coded_height >> 1; |
| 636 | if (s->pict_type == AV_PICTURE_TYPE_P) { |
| 637 | s->current_picture.motion_val[1][s->block_index[n] + v->blocks_off][0] = mx; |
| 638 | s->current_picture.motion_val[1][s->block_index[n] + v->blocks_off][1] = my; |
| 639 | } |
| 640 | qx = (s->mb_x * 16) + (mx >> 2); |
| 641 | qy = (s->mb_y * 8) + (my >> 3); |
| 642 | |
| 643 | if (qx < -17) |
| 644 | mx -= 4 * (qx + 17); |
| 645 | else if (qx > width) |
| 646 | mx -= 4 * (qx - width); |
| 647 | if (qy < -18) |
| 648 | my -= 8 * (qy + 18); |
| 649 | else if (qy > height + 1) |
| 650 | my -= 8 * (qy - height - 1); |
| 651 | } |
| 652 | |
| 653 | if ((v->fcm == ILACE_FRAME) && fieldmv) |
| 654 | off = ((n > 1) ? s->linesize : 0) + (n & 1) * 8; |
| 655 | else |
| 656 | off = s->linesize * 4 * (n & 2) + (n & 1) * 8; |
| 657 | |
| 658 | src_x = s->mb_x * 16 + (n & 1) * 8 + (mx >> 2); |
| 659 | if (!fieldmv) |
| 660 | src_y = s->mb_y * 16 + (n & 2) * 4 + (my >> 2); |
| 661 | else |
| 662 | src_y = s->mb_y * 16 + ((n > 1) ? 1 : 0) + (my >> 2); |
| 663 | |
| 664 | if (v->profile != PROFILE_ADVANCED) { |
| 665 | src_x = av_clip(src_x, -16, s->mb_width * 16); |
| 666 | src_y = av_clip(src_y, -16, s->mb_height * 16); |
| 667 | } else { |
| 668 | src_x = av_clip(src_x, -17, s->avctx->coded_width); |
| 669 | if (v->fcm == ILACE_FRAME) { |
| 670 | if (src_y & 1) |
| 671 | src_y = av_clip(src_y, -17, s->avctx->coded_height + 1); |
| 672 | else |
| 673 | src_y = av_clip(src_y, -18, s->avctx->coded_height); |
| 674 | } else { |
| 675 | src_y = av_clip(src_y, -18, s->avctx->coded_height + 1); |
| 676 | } |
| 677 | } |
| 678 | |
| 679 | srcY += src_y * s->linesize + src_x; |
| 680 | if (v->field_mode && v->ref_field_type[dir]) |
| 681 | srcY += s->current_picture_ptr->f->linesize[0]; |
| 682 | |
| 683 | if (fieldmv && !(src_y & 1)) |
| 684 | v_edge_pos--; |
| 685 | if (fieldmv && (src_y & 1) && src_y < 4) |
| 686 | src_y--; |
| 687 | if (v->rangeredfrm || use_ic |
| 688 | || s->h_edge_pos < 13 || v_edge_pos < 23 |
| 689 | || (unsigned)(src_x - s->mspel) > s->h_edge_pos - (mx & 3) - 8 - s->mspel * 2 |
| 690 | || (unsigned)(src_y - (s->mspel << fieldmv)) > v_edge_pos - (my & 3) - ((8 + s->mspel * 2) << fieldmv)) { |
| 691 | srcY -= s->mspel * (1 + (s->linesize << fieldmv)); |
| 692 | /* check emulate edge stride and offset */ |
| 693 | s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY, |
| 694 | s->linesize, s->linesize, |
| 695 | 9 + s->mspel * 2, (9 + s->mspel * 2) << fieldmv, |
| 696 | src_x - s->mspel, src_y - (s->mspel << fieldmv), |
| 697 | s->h_edge_pos, v_edge_pos); |
| 698 | srcY = s->edge_emu_buffer; |
| 699 | /* if we deal with range reduction we need to scale source blocks */ |
| 700 | if (v->rangeredfrm) { |
| 701 | int i, j; |
| 702 | uint8_t *src; |
| 703 | |
| 704 | src = srcY; |
| 705 | for (j = 0; j < 9 + s->mspel * 2; j++) { |
| 706 | for (i = 0; i < 9 + s->mspel * 2; i++) |
| 707 | src[i] = ((src[i] - 128) >> 1) + 128; |
| 708 | src += s->linesize << fieldmv; |
| 709 | } |
| 710 | } |
| 711 | /* if we deal with intensity compensation we need to scale source blocks */ |
| 712 | if (use_ic) { |
| 713 | int i, j; |
| 714 | uint8_t *src; |
| 715 | |
| 716 | src = srcY; |
| 717 | for (j = 0; j < 9 + s->mspel * 2; j++) { |
| 718 | int f = v->field_mode ? v->ref_field_type[dir] : (((j<<fieldmv)+src_y - (s->mspel << fieldmv)) & 1); |
| 719 | for (i = 0; i < 9 + s->mspel * 2; i++) |
| 720 | src[i] = luty[f][src[i]]; |
| 721 | src += s->linesize << fieldmv; |
| 722 | } |
| 723 | } |
| 724 | srcY += s->mspel * (1 + (s->linesize << fieldmv)); |
| 725 | } |
| 726 | |
| 727 | if (s->mspel) { |
| 728 | dxy = ((my & 3) << 2) | (mx & 3); |
| 729 | if (avg) |
| 730 | v->vc1dsp.avg_vc1_mspel_pixels_tab[1][dxy](s->dest[0] + off, srcY, s->linesize << fieldmv, v->rnd); |
| 731 | else |
| 732 | v->vc1dsp.put_vc1_mspel_pixels_tab[1][dxy](s->dest[0] + off, srcY, s->linesize << fieldmv, v->rnd); |
| 733 | } else { // hpel mc - always used for luma |
| 734 | dxy = (my & 2) | ((mx & 2) >> 1); |
| 735 | if (!v->rnd) |
| 736 | s->hdsp.put_pixels_tab[1][dxy](s->dest[0] + off, srcY, s->linesize, 8); |
| 737 | else |
| 738 | s->hdsp.put_no_rnd_pixels_tab[1][dxy](s->dest[0] + off, srcY, s->linesize, 8); |
| 739 | } |
| 740 | } |
| 741 | |
| 742 | static av_always_inline int get_chroma_mv(int *mvx, int *mvy, int *a, int flag, int *tx, int *ty) |
| 743 | { |
| 744 | int idx, i; |
| 745 | static const int count[16] = { 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; |
| 746 | |
| 747 | idx = ((a[3] != flag) << 3) |
| 748 | | ((a[2] != flag) << 2) |
| 749 | | ((a[1] != flag) << 1) |
| 750 | | (a[0] != flag); |
| 751 | if (!idx) { |
| 752 | *tx = median4(mvx[0], mvx[1], mvx[2], mvx[3]); |
| 753 | *ty = median4(mvy[0], mvy[1], mvy[2], mvy[3]); |
| 754 | return 4; |
| 755 | } else if (count[idx] == 1) { |
| 756 | switch (idx) { |
| 757 | case 0x1: |
| 758 | *tx = mid_pred(mvx[1], mvx[2], mvx[3]); |
| 759 | *ty = mid_pred(mvy[1], mvy[2], mvy[3]); |
| 760 | return 3; |
| 761 | case 0x2: |
| 762 | *tx = mid_pred(mvx[0], mvx[2], mvx[3]); |
| 763 | *ty = mid_pred(mvy[0], mvy[2], mvy[3]); |
| 764 | return 3; |
| 765 | case 0x4: |
| 766 | *tx = mid_pred(mvx[0], mvx[1], mvx[3]); |
| 767 | *ty = mid_pred(mvy[0], mvy[1], mvy[3]); |
| 768 | return 3; |
| 769 | case 0x8: |
| 770 | *tx = mid_pred(mvx[0], mvx[1], mvx[2]); |
| 771 | *ty = mid_pred(mvy[0], mvy[1], mvy[2]); |
| 772 | return 3; |
| 773 | } |
| 774 | } else if (count[idx] == 2) { |
| 775 | int t1 = 0, t2 = 0; |
| 776 | for (i = 0; i < 3; i++) |
| 777 | if (!a[i]) { |
| 778 | t1 = i; |
| 779 | break; |
| 780 | } |
| 781 | for (i = t1 + 1; i < 4; i++) |
| 782 | if (!a[i]) { |
| 783 | t2 = i; |
| 784 | break; |
| 785 | } |
| 786 | *tx = (mvx[t1] + mvx[t2]) / 2; |
| 787 | *ty = (mvy[t1] + mvy[t2]) / 2; |
| 788 | return 2; |
| 789 | } else { |
| 790 | return 0; |
| 791 | } |
| 792 | return -1; |
| 793 | } |
| 794 | |
| 795 | /** Do motion compensation for 4-MV macroblock - both chroma blocks |
| 796 | */ |
| 797 | static void vc1_mc_4mv_chroma(VC1Context *v, int dir) |
| 798 | { |
| 799 | MpegEncContext *s = &v->s; |
| 800 | H264ChromaContext *h264chroma = &v->h264chroma; |
| 801 | uint8_t *srcU, *srcV; |
| 802 | int uvmx, uvmy, uvsrc_x, uvsrc_y; |
| 803 | int k, tx = 0, ty = 0; |
| 804 | int mvx[4], mvy[4], intra[4], mv_f[4]; |
| 805 | int valid_count; |
| 806 | int chroma_ref_type = v->cur_field_type; |
| 807 | int v_edge_pos = s->v_edge_pos >> v->field_mode; |
| 808 | uint8_t (*lutuv)[256]; |
| 809 | int use_ic; |
| 810 | |
| 811 | if (!v->field_mode && !v->s.last_picture.f->data[0]) |
| 812 | return; |
| 813 | if (s->flags & CODEC_FLAG_GRAY) |
| 814 | return; |
| 815 | |
| 816 | for (k = 0; k < 4; k++) { |
| 817 | mvx[k] = s->mv[dir][k][0]; |
| 818 | mvy[k] = s->mv[dir][k][1]; |
| 819 | intra[k] = v->mb_type[0][s->block_index[k]]; |
| 820 | if (v->field_mode) |
| 821 | mv_f[k] = v->mv_f[dir][s->block_index[k] + v->blocks_off]; |
| 822 | } |
| 823 | |
| 824 | /* calculate chroma MV vector from four luma MVs */ |
| 825 | if (!v->field_mode || (v->field_mode && !v->numref)) { |
| 826 | valid_count = get_chroma_mv(mvx, mvy, intra, 0, &tx, &ty); |
| 827 | chroma_ref_type = v->reffield; |
| 828 | if (!valid_count) { |
| 829 | s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0] = 0; |
| 830 | s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1] = 0; |
| 831 | v->luma_mv[s->mb_x][0] = v->luma_mv[s->mb_x][1] = 0; |
| 832 | return; //no need to do MC for intra blocks |
| 833 | } |
| 834 | } else { |
| 835 | int dominant = 0; |
| 836 | if (mv_f[0] + mv_f[1] + mv_f[2] + mv_f[3] > 2) |
| 837 | dominant = 1; |
| 838 | valid_count = get_chroma_mv(mvx, mvy, mv_f, dominant, &tx, &ty); |
| 839 | if (dominant) |
| 840 | chroma_ref_type = !v->cur_field_type; |
| 841 | } |
| 842 | if (v->field_mode && chroma_ref_type == 1 && v->cur_field_type == 1 && !v->s.last_picture.f->data[0]) |
| 843 | return; |
| 844 | s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0] = tx; |
| 845 | s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1] = ty; |
| 846 | uvmx = (tx + ((tx & 3) == 3)) >> 1; |
| 847 | uvmy = (ty + ((ty & 3) == 3)) >> 1; |
| 848 | |
| 849 | v->luma_mv[s->mb_x][0] = uvmx; |
| 850 | v->luma_mv[s->mb_x][1] = uvmy; |
| 851 | |
| 852 | if (v->fastuvmc) { |
| 853 | uvmx = uvmx + ((uvmx < 0) ? (uvmx & 1) : -(uvmx & 1)); |
| 854 | uvmy = uvmy + ((uvmy < 0) ? (uvmy & 1) : -(uvmy & 1)); |
| 855 | } |
| 856 | // Field conversion bias |
| 857 | if (v->cur_field_type != chroma_ref_type) |
| 858 | uvmy += 2 - 4 * chroma_ref_type; |
| 859 | |
| 860 | uvsrc_x = s->mb_x * 8 + (uvmx >> 2); |
| 861 | uvsrc_y = s->mb_y * 8 + (uvmy >> 2); |
| 862 | |
| 863 | if (v->profile != PROFILE_ADVANCED) { |
| 864 | uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8); |
| 865 | uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8); |
| 866 | } else { |
| 867 | uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1); |
| 868 | uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1); |
| 869 | } |
| 870 | |
| 871 | if (!dir) { |
| 872 | if (v->field_mode && (v->cur_field_type != chroma_ref_type) && v->second_field) { |
| 873 | srcU = s->current_picture.f->data[1]; |
| 874 | srcV = s->current_picture.f->data[2]; |
| 875 | lutuv = v->curr_lutuv; |
| 876 | use_ic = *v->curr_use_ic; |
| 877 | } else { |
| 878 | srcU = s->last_picture.f->data[1]; |
| 879 | srcV = s->last_picture.f->data[2]; |
| 880 | lutuv = v->last_lutuv; |
| 881 | use_ic = v->last_use_ic; |
| 882 | } |
| 883 | } else { |
| 884 | srcU = s->next_picture.f->data[1]; |
| 885 | srcV = s->next_picture.f->data[2]; |
| 886 | lutuv = v->next_lutuv; |
| 887 | use_ic = v->next_use_ic; |
| 888 | } |
| 889 | |
| 890 | if (!srcU) { |
| 891 | av_log(v->s.avctx, AV_LOG_ERROR, "Referenced frame missing.\n"); |
| 892 | return; |
| 893 | } |
| 894 | |
| 895 | srcU += uvsrc_y * s->uvlinesize + uvsrc_x; |
| 896 | srcV += uvsrc_y * s->uvlinesize + uvsrc_x; |
| 897 | |
| 898 | if (v->field_mode) { |
| 899 | if (chroma_ref_type) { |
| 900 | srcU += s->current_picture_ptr->f->linesize[1]; |
| 901 | srcV += s->current_picture_ptr->f->linesize[2]; |
| 902 | } |
| 903 | } |
| 904 | |
| 905 | if (v->rangeredfrm || use_ic |
| 906 | || s->h_edge_pos < 18 || v_edge_pos < 18 |
| 907 | || (unsigned)uvsrc_x > (s->h_edge_pos >> 1) - 9 |
| 908 | || (unsigned)uvsrc_y > (v_edge_pos >> 1) - 9) { |
| 909 | s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcU, |
| 910 | s->uvlinesize, s->uvlinesize, |
| 911 | 8 + 1, 8 + 1, uvsrc_x, uvsrc_y, |
| 912 | s->h_edge_pos >> 1, v_edge_pos >> 1); |
| 913 | s->vdsp.emulated_edge_mc(s->edge_emu_buffer + 16, srcV, |
| 914 | s->uvlinesize, s->uvlinesize, |
| 915 | 8 + 1, 8 + 1, uvsrc_x, uvsrc_y, |
| 916 | s->h_edge_pos >> 1, v_edge_pos >> 1); |
| 917 | srcU = s->edge_emu_buffer; |
| 918 | srcV = s->edge_emu_buffer + 16; |
| 919 | |
| 920 | /* if we deal with range reduction we need to scale source blocks */ |
| 921 | if (v->rangeredfrm) { |
| 922 | int i, j; |
| 923 | uint8_t *src, *src2; |
| 924 | |
| 925 | src = srcU; |
| 926 | src2 = srcV; |
| 927 | for (j = 0; j < 9; j++) { |
| 928 | for (i = 0; i < 9; i++) { |
| 929 | src[i] = ((src[i] - 128) >> 1) + 128; |
| 930 | src2[i] = ((src2[i] - 128) >> 1) + 128; |
| 931 | } |
| 932 | src += s->uvlinesize; |
| 933 | src2 += s->uvlinesize; |
| 934 | } |
| 935 | } |
| 936 | /* if we deal with intensity compensation we need to scale source blocks */ |
| 937 | if (use_ic) { |
| 938 | int i, j; |
| 939 | uint8_t *src, *src2; |
| 940 | |
| 941 | src = srcU; |
| 942 | src2 = srcV; |
| 943 | for (j = 0; j < 9; j++) { |
| 944 | int f = v->field_mode ? chroma_ref_type : ((j + uvsrc_y) & 1); |
| 945 | for (i = 0; i < 9; i++) { |
| 946 | src[i] = lutuv[f][src[i]]; |
| 947 | src2[i] = lutuv[f][src2[i]]; |
| 948 | } |
| 949 | src += s->uvlinesize; |
| 950 | src2 += s->uvlinesize; |
| 951 | } |
| 952 | } |
| 953 | } |
| 954 | |
| 955 | /* Chroma MC always uses qpel bilinear */ |
| 956 | uvmx = (uvmx & 3) << 1; |
| 957 | uvmy = (uvmy & 3) << 1; |
| 958 | if (!v->rnd) { |
| 959 | h264chroma->put_h264_chroma_pixels_tab[0](s->dest[1], srcU, s->uvlinesize, 8, uvmx, uvmy); |
| 960 | h264chroma->put_h264_chroma_pixels_tab[0](s->dest[2], srcV, s->uvlinesize, 8, uvmx, uvmy); |
| 961 | } else { |
| 962 | v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1], srcU, s->uvlinesize, 8, uvmx, uvmy); |
| 963 | v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2], srcV, s->uvlinesize, 8, uvmx, uvmy); |
| 964 | } |
| 965 | } |
| 966 | |
| 967 | /** Do motion compensation for 4-MV interlaced frame chroma macroblock (both U and V) |
| 968 | */ |
| 969 | static void vc1_mc_4mv_chroma4(VC1Context *v, int dir, int dir2, int avg) |
| 970 | { |
| 971 | MpegEncContext *s = &v->s; |
| 972 | H264ChromaContext *h264chroma = &v->h264chroma; |
| 973 | uint8_t *srcU, *srcV; |
| 974 | int uvsrc_x, uvsrc_y; |
| 975 | int uvmx_field[4], uvmy_field[4]; |
| 976 | int i, off, tx, ty; |
| 977 | int fieldmv = v->blk_mv_type[s->block_index[0]]; |
| 978 | static const int s_rndtblfield[16] = { 0, 0, 1, 2, 4, 4, 5, 6, 2, 2, 3, 8, 6, 6, 7, 12 }; |
| 979 | int v_dist = fieldmv ? 1 : 4; // vertical offset for lower sub-blocks |
| 980 | int v_edge_pos = s->v_edge_pos >> 1; |
| 981 | int use_ic; |
| 982 | uint8_t (*lutuv)[256]; |
| 983 | |
| 984 | if (s->flags & CODEC_FLAG_GRAY) |
| 985 | return; |
| 986 | |
| 987 | for (i = 0; i < 4; i++) { |
| 988 | int d = i < 2 ? dir: dir2; |
| 989 | tx = s->mv[d][i][0]; |
| 990 | uvmx_field[i] = (tx + ((tx & 3) == 3)) >> 1; |
| 991 | ty = s->mv[d][i][1]; |
| 992 | if (fieldmv) |
| 993 | uvmy_field[i] = (ty >> 4) * 8 + s_rndtblfield[ty & 0xF]; |
| 994 | else |
| 995 | uvmy_field[i] = (ty + ((ty & 3) == 3)) >> 1; |
| 996 | } |
| 997 | |
| 998 | for (i = 0; i < 4; i++) { |
| 999 | off = (i & 1) * 4 + ((i & 2) ? v_dist * s->uvlinesize : 0); |
| 1000 | uvsrc_x = s->mb_x * 8 + (i & 1) * 4 + (uvmx_field[i] >> 2); |
| 1001 | uvsrc_y = s->mb_y * 8 + ((i & 2) ? v_dist : 0) + (uvmy_field[i] >> 2); |
| 1002 | // FIXME: implement proper pull-back (see vc1cropmv.c, vc1CROPMV_ChromaPullBack()) |
| 1003 | uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1); |
| 1004 | uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1); |
| 1005 | if (i < 2 ? dir : dir2) { |
| 1006 | srcU = s->next_picture.f->data[1]; |
| 1007 | srcV = s->next_picture.f->data[2]; |
| 1008 | lutuv = v->next_lutuv; |
| 1009 | use_ic = v->next_use_ic; |
| 1010 | } else { |
| 1011 | srcU = s->last_picture.f->data[1]; |
| 1012 | srcV = s->last_picture.f->data[2]; |
| 1013 | lutuv = v->last_lutuv; |
| 1014 | use_ic = v->last_use_ic; |
| 1015 | } |
| 1016 | if (!srcU) |
| 1017 | return; |
| 1018 | srcU += uvsrc_y * s->uvlinesize + uvsrc_x; |
| 1019 | srcV += uvsrc_y * s->uvlinesize + uvsrc_x; |
| 1020 | uvmx_field[i] = (uvmx_field[i] & 3) << 1; |
| 1021 | uvmy_field[i] = (uvmy_field[i] & 3) << 1; |
| 1022 | |
| 1023 | if (fieldmv && !(uvsrc_y & 1)) |
| 1024 | v_edge_pos = (s->v_edge_pos >> 1) - 1; |
| 1025 | |
| 1026 | if (fieldmv && (uvsrc_y & 1) && uvsrc_y < 2) |
| 1027 | uvsrc_y--; |
| 1028 | if (use_ic |
| 1029 | || s->h_edge_pos < 10 || v_edge_pos < (5 << fieldmv) |
| 1030 | || (unsigned)uvsrc_x > (s->h_edge_pos >> 1) - 5 |
| 1031 | || (unsigned)uvsrc_y > v_edge_pos - (5 << fieldmv)) { |
| 1032 | s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcU, |
| 1033 | s->uvlinesize, s->uvlinesize, |
| 1034 | 5, (5 << fieldmv), uvsrc_x, uvsrc_y, |
| 1035 | s->h_edge_pos >> 1, v_edge_pos); |
| 1036 | s->vdsp.emulated_edge_mc(s->edge_emu_buffer + 16, srcV, |
| 1037 | s->uvlinesize, s->uvlinesize, |
| 1038 | 5, (5 << fieldmv), uvsrc_x, uvsrc_y, |
| 1039 | s->h_edge_pos >> 1, v_edge_pos); |
| 1040 | srcU = s->edge_emu_buffer; |
| 1041 | srcV = s->edge_emu_buffer + 16; |
| 1042 | |
| 1043 | /* if we deal with intensity compensation we need to scale source blocks */ |
| 1044 | if (use_ic) { |
| 1045 | int i, j; |
| 1046 | uint8_t *src, *src2; |
| 1047 | |
| 1048 | src = srcU; |
| 1049 | src2 = srcV; |
| 1050 | for (j = 0; j < 5; j++) { |
| 1051 | int f = (uvsrc_y + (j << fieldmv)) & 1; |
| 1052 | for (i = 0; i < 5; i++) { |
| 1053 | src[i] = lutuv[f][src[i]]; |
| 1054 | src2[i] = lutuv[f][src2[i]]; |
| 1055 | } |
| 1056 | src += s->uvlinesize << fieldmv; |
| 1057 | src2 += s->uvlinesize << fieldmv; |
| 1058 | } |
| 1059 | } |
| 1060 | } |
| 1061 | if (avg) { |
| 1062 | if (!v->rnd) { |
| 1063 | h264chroma->avg_h264_chroma_pixels_tab[1](s->dest[1] + off, srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]); |
| 1064 | h264chroma->avg_h264_chroma_pixels_tab[1](s->dest[2] + off, srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]); |
| 1065 | } else { |
| 1066 | v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[1](s->dest[1] + off, srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]); |
| 1067 | v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[1](s->dest[2] + off, srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]); |
| 1068 | } |
| 1069 | } else { |
| 1070 | if (!v->rnd) { |
| 1071 | h264chroma->put_h264_chroma_pixels_tab[1](s->dest[1] + off, srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]); |
| 1072 | h264chroma->put_h264_chroma_pixels_tab[1](s->dest[2] + off, srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]); |
| 1073 | } else { |
| 1074 | v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[1](s->dest[1] + off, srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]); |
| 1075 | v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[1](s->dest[2] + off, srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]); |
| 1076 | } |
| 1077 | } |
| 1078 | } |
| 1079 | } |
| 1080 | |
| 1081 | /***********************************************************************/ |
| 1082 | /** |
| 1083 | * @name VC-1 Block-level functions |
| 1084 | * @see 7.1.4, p91 and 8.1.1.7, p(1)04 |
| 1085 | * @{ |
| 1086 | */ |
| 1087 | |
| 1088 | /** |
| 1089 | * @def GET_MQUANT |
| 1090 | * @brief Get macroblock-level quantizer scale |
| 1091 | */ |
| 1092 | #define GET_MQUANT() \ |
| 1093 | if (v->dquantfrm) { \ |
| 1094 | int edges = 0; \ |
| 1095 | if (v->dqprofile == DQPROFILE_ALL_MBS) { \ |
| 1096 | if (v->dqbilevel) { \ |
| 1097 | mquant = (get_bits1(gb)) ? v->altpq : v->pq; \ |
| 1098 | } else { \ |
| 1099 | mqdiff = get_bits(gb, 3); \ |
| 1100 | if (mqdiff != 7) \ |
| 1101 | mquant = v->pq + mqdiff; \ |
| 1102 | else \ |
| 1103 | mquant = get_bits(gb, 5); \ |
| 1104 | } \ |
| 1105 | } \ |
| 1106 | if (v->dqprofile == DQPROFILE_SINGLE_EDGE) \ |
| 1107 | edges = 1 << v->dqsbedge; \ |
| 1108 | else if (v->dqprofile == DQPROFILE_DOUBLE_EDGES) \ |
| 1109 | edges = (3 << v->dqsbedge) % 15; \ |
| 1110 | else if (v->dqprofile == DQPROFILE_FOUR_EDGES) \ |
| 1111 | edges = 15; \ |
| 1112 | if ((edges&1) && !s->mb_x) \ |
| 1113 | mquant = v->altpq; \ |
| 1114 | if ((edges&2) && s->first_slice_line) \ |
| 1115 | mquant = v->altpq; \ |
| 1116 | if ((edges&4) && s->mb_x == (s->mb_width - 1)) \ |
| 1117 | mquant = v->altpq; \ |
| 1118 | if ((edges&8) && s->mb_y == (s->mb_height - 1)) \ |
| 1119 | mquant = v->altpq; \ |
| 1120 | if (!mquant || mquant > 31) { \ |
| 1121 | av_log(v->s.avctx, AV_LOG_ERROR, \ |
| 1122 | "Overriding invalid mquant %d\n", mquant); \ |
| 1123 | mquant = 1; \ |
| 1124 | } \ |
| 1125 | } |
| 1126 | |
| 1127 | /** |
| 1128 | * @def GET_MVDATA(_dmv_x, _dmv_y) |
| 1129 | * @brief Get MV differentials |
| 1130 | * @see MVDATA decoding from 8.3.5.2, p(1)20 |
| 1131 | * @param _dmv_x Horizontal differential for decoded MV |
| 1132 | * @param _dmv_y Vertical differential for decoded MV |
| 1133 | */ |
| 1134 | #define GET_MVDATA(_dmv_x, _dmv_y) \ |
| 1135 | index = 1 + get_vlc2(gb, ff_vc1_mv_diff_vlc[s->mv_table_index].table, \ |
| 1136 | VC1_MV_DIFF_VLC_BITS, 2); \ |
| 1137 | if (index > 36) { \ |
| 1138 | mb_has_coeffs = 1; \ |
| 1139 | index -= 37; \ |
| 1140 | } else \ |
| 1141 | mb_has_coeffs = 0; \ |
| 1142 | s->mb_intra = 0; \ |
| 1143 | if (!index) { \ |
| 1144 | _dmv_x = _dmv_y = 0; \ |
| 1145 | } else if (index == 35) { \ |
| 1146 | _dmv_x = get_bits(gb, v->k_x - 1 + s->quarter_sample); \ |
| 1147 | _dmv_y = get_bits(gb, v->k_y - 1 + s->quarter_sample); \ |
| 1148 | } else if (index == 36) { \ |
| 1149 | _dmv_x = 0; \ |
| 1150 | _dmv_y = 0; \ |
| 1151 | s->mb_intra = 1; \ |
| 1152 | } else { \ |
| 1153 | index1 = index % 6; \ |
| 1154 | if (!s->quarter_sample && index1 == 5) val = 1; \ |
| 1155 | else val = 0; \ |
| 1156 | if (size_table[index1] - val > 0) \ |
| 1157 | val = get_bits(gb, size_table[index1] - val); \ |
| 1158 | else val = 0; \ |
| 1159 | sign = 0 - (val&1); \ |
| 1160 | _dmv_x = (sign ^ ((val>>1) + offset_table[index1])) - sign; \ |
| 1161 | \ |
| 1162 | index1 = index / 6; \ |
| 1163 | if (!s->quarter_sample && index1 == 5) val = 1; \ |
| 1164 | else val = 0; \ |
| 1165 | if (size_table[index1] - val > 0) \ |
| 1166 | val = get_bits(gb, size_table[index1] - val); \ |
| 1167 | else val = 0; \ |
| 1168 | sign = 0 - (val & 1); \ |
| 1169 | _dmv_y = (sign ^ ((val >> 1) + offset_table[index1])) - sign; \ |
| 1170 | } |
| 1171 | |
| 1172 | static av_always_inline void get_mvdata_interlaced(VC1Context *v, int *dmv_x, |
| 1173 | int *dmv_y, int *pred_flag) |
| 1174 | { |
| 1175 | int index, index1; |
| 1176 | int extend_x = 0, extend_y = 0; |
| 1177 | GetBitContext *gb = &v->s.gb; |
| 1178 | int bits, esc; |
| 1179 | int val, sign; |
| 1180 | const int* offs_tab; |
| 1181 | |
| 1182 | if (v->numref) { |
| 1183 | bits = VC1_2REF_MVDATA_VLC_BITS; |
| 1184 | esc = 125; |
| 1185 | } else { |
| 1186 | bits = VC1_1REF_MVDATA_VLC_BITS; |
| 1187 | esc = 71; |
| 1188 | } |
| 1189 | switch (v->dmvrange) { |
| 1190 | case 1: |
| 1191 | extend_x = 1; |
| 1192 | break; |
| 1193 | case 2: |
| 1194 | extend_y = 1; |
| 1195 | break; |
| 1196 | case 3: |
| 1197 | extend_x = extend_y = 1; |
| 1198 | break; |
| 1199 | } |
| 1200 | index = get_vlc2(gb, v->imv_vlc->table, bits, 3); |
| 1201 | if (index == esc) { |
| 1202 | *dmv_x = get_bits(gb, v->k_x); |
| 1203 | *dmv_y = get_bits(gb, v->k_y); |
| 1204 | if (v->numref) { |
| 1205 | if (pred_flag) { |
| 1206 | *pred_flag = *dmv_y & 1; |
| 1207 | *dmv_y = (*dmv_y + *pred_flag) >> 1; |
| 1208 | } else { |
| 1209 | *dmv_y = (*dmv_y + (*dmv_y & 1)) >> 1; |
| 1210 | } |
| 1211 | } |
| 1212 | } |
| 1213 | else { |
| 1214 | av_assert0(index < esc); |
| 1215 | if (extend_x) |
| 1216 | offs_tab = offset_table2; |
| 1217 | else |
| 1218 | offs_tab = offset_table1; |
| 1219 | index1 = (index + 1) % 9; |
| 1220 | if (index1 != 0) { |
| 1221 | val = get_bits(gb, index1 + extend_x); |
| 1222 | sign = 0 -(val & 1); |
| 1223 | *dmv_x = (sign ^ ((val >> 1) + offs_tab[index1])) - sign; |
| 1224 | } else |
| 1225 | *dmv_x = 0; |
| 1226 | if (extend_y) |
| 1227 | offs_tab = offset_table2; |
| 1228 | else |
| 1229 | offs_tab = offset_table1; |
| 1230 | index1 = (index + 1) / 9; |
| 1231 | if (index1 > v->numref) { |
| 1232 | val = get_bits(gb, (index1 + (extend_y << v->numref)) >> v->numref); |
| 1233 | sign = 0 - (val & 1); |
| 1234 | *dmv_y = (sign ^ ((val >> 1) + offs_tab[index1 >> v->numref])) - sign; |
| 1235 | } else |
| 1236 | *dmv_y = 0; |
| 1237 | if (v->numref && pred_flag) |
| 1238 | *pred_flag = index1 & 1; |
| 1239 | } |
| 1240 | } |
| 1241 | |
| 1242 | static av_always_inline int scaleforsame_x(VC1Context *v, int n /* MV */, int dir) |
| 1243 | { |
| 1244 | int scaledvalue, refdist; |
| 1245 | int scalesame1, scalesame2; |
| 1246 | int scalezone1_x, zone1offset_x; |
| 1247 | int table_index = dir ^ v->second_field; |
| 1248 | |
| 1249 | if (v->s.pict_type != AV_PICTURE_TYPE_B) |
| 1250 | refdist = v->refdist; |
| 1251 | else |
| 1252 | refdist = dir ? v->brfd : v->frfd; |
| 1253 | if (refdist > 3) |
| 1254 | refdist = 3; |
| 1255 | scalesame1 = ff_vc1_field_mvpred_scales[table_index][1][refdist]; |
| 1256 | scalesame2 = ff_vc1_field_mvpred_scales[table_index][2][refdist]; |
| 1257 | scalezone1_x = ff_vc1_field_mvpred_scales[table_index][3][refdist]; |
| 1258 | zone1offset_x = ff_vc1_field_mvpred_scales[table_index][5][refdist]; |
| 1259 | |
| 1260 | if (FFABS(n) > 255) |
| 1261 | scaledvalue = n; |
| 1262 | else { |
| 1263 | if (FFABS(n) < scalezone1_x) |
| 1264 | scaledvalue = (n * scalesame1) >> 8; |
| 1265 | else { |
| 1266 | if (n < 0) |
| 1267 | scaledvalue = ((n * scalesame2) >> 8) - zone1offset_x; |
| 1268 | else |
| 1269 | scaledvalue = ((n * scalesame2) >> 8) + zone1offset_x; |
| 1270 | } |
| 1271 | } |
| 1272 | return av_clip(scaledvalue, -v->range_x, v->range_x - 1); |
| 1273 | } |
| 1274 | |
| 1275 | static av_always_inline int scaleforsame_y(VC1Context *v, int i, int n /* MV */, int dir) |
| 1276 | { |
| 1277 | int scaledvalue, refdist; |
| 1278 | int scalesame1, scalesame2; |
| 1279 | int scalezone1_y, zone1offset_y; |
| 1280 | int table_index = dir ^ v->second_field; |
| 1281 | |
| 1282 | if (v->s.pict_type != AV_PICTURE_TYPE_B) |
| 1283 | refdist = v->refdist; |
| 1284 | else |
| 1285 | refdist = dir ? v->brfd : v->frfd; |
| 1286 | if (refdist > 3) |
| 1287 | refdist = 3; |
| 1288 | scalesame1 = ff_vc1_field_mvpred_scales[table_index][1][refdist]; |
| 1289 | scalesame2 = ff_vc1_field_mvpred_scales[table_index][2][refdist]; |
| 1290 | scalezone1_y = ff_vc1_field_mvpred_scales[table_index][4][refdist]; |
| 1291 | zone1offset_y = ff_vc1_field_mvpred_scales[table_index][6][refdist]; |
| 1292 | |
| 1293 | if (FFABS(n) > 63) |
| 1294 | scaledvalue = n; |
| 1295 | else { |
| 1296 | if (FFABS(n) < scalezone1_y) |
| 1297 | scaledvalue = (n * scalesame1) >> 8; |
| 1298 | else { |
| 1299 | if (n < 0) |
| 1300 | scaledvalue = ((n * scalesame2) >> 8) - zone1offset_y; |
| 1301 | else |
| 1302 | scaledvalue = ((n * scalesame2) >> 8) + zone1offset_y; |
| 1303 | } |
| 1304 | } |
| 1305 | |
| 1306 | if (v->cur_field_type && !v->ref_field_type[dir]) |
| 1307 | return av_clip(scaledvalue, -v->range_y / 2 + 1, v->range_y / 2); |
| 1308 | else |
| 1309 | return av_clip(scaledvalue, -v->range_y / 2, v->range_y / 2 - 1); |
| 1310 | } |
| 1311 | |
| 1312 | static av_always_inline int scaleforopp_x(VC1Context *v, int n /* MV */) |
| 1313 | { |
| 1314 | int scalezone1_x, zone1offset_x; |
| 1315 | int scaleopp1, scaleopp2, brfd; |
| 1316 | int scaledvalue; |
| 1317 | |
| 1318 | brfd = FFMIN(v->brfd, 3); |
| 1319 | scalezone1_x = ff_vc1_b_field_mvpred_scales[3][brfd]; |
| 1320 | zone1offset_x = ff_vc1_b_field_mvpred_scales[5][brfd]; |
| 1321 | scaleopp1 = ff_vc1_b_field_mvpred_scales[1][brfd]; |
| 1322 | scaleopp2 = ff_vc1_b_field_mvpred_scales[2][brfd]; |
| 1323 | |
| 1324 | if (FFABS(n) > 255) |
| 1325 | scaledvalue = n; |
| 1326 | else { |
| 1327 | if (FFABS(n) < scalezone1_x) |
| 1328 | scaledvalue = (n * scaleopp1) >> 8; |
| 1329 | else { |
| 1330 | if (n < 0) |
| 1331 | scaledvalue = ((n * scaleopp2) >> 8) - zone1offset_x; |
| 1332 | else |
| 1333 | scaledvalue = ((n * scaleopp2) >> 8) + zone1offset_x; |
| 1334 | } |
| 1335 | } |
| 1336 | return av_clip(scaledvalue, -v->range_x, v->range_x - 1); |
| 1337 | } |
| 1338 | |
| 1339 | static av_always_inline int scaleforopp_y(VC1Context *v, int n /* MV */, int dir) |
| 1340 | { |
| 1341 | int scalezone1_y, zone1offset_y; |
| 1342 | int scaleopp1, scaleopp2, brfd; |
| 1343 | int scaledvalue; |
| 1344 | |
| 1345 | brfd = FFMIN(v->brfd, 3); |
| 1346 | scalezone1_y = ff_vc1_b_field_mvpred_scales[4][brfd]; |
| 1347 | zone1offset_y = ff_vc1_b_field_mvpred_scales[6][brfd]; |
| 1348 | scaleopp1 = ff_vc1_b_field_mvpred_scales[1][brfd]; |
| 1349 | scaleopp2 = ff_vc1_b_field_mvpred_scales[2][brfd]; |
| 1350 | |
| 1351 | if (FFABS(n) > 63) |
| 1352 | scaledvalue = n; |
| 1353 | else { |
| 1354 | if (FFABS(n) < scalezone1_y) |
| 1355 | scaledvalue = (n * scaleopp1) >> 8; |
| 1356 | else { |
| 1357 | if (n < 0) |
| 1358 | scaledvalue = ((n * scaleopp2) >> 8) - zone1offset_y; |
| 1359 | else |
| 1360 | scaledvalue = ((n * scaleopp2) >> 8) + zone1offset_y; |
| 1361 | } |
| 1362 | } |
| 1363 | if (v->cur_field_type && !v->ref_field_type[dir]) { |
| 1364 | return av_clip(scaledvalue, -v->range_y / 2 + 1, v->range_y / 2); |
| 1365 | } else { |
| 1366 | return av_clip(scaledvalue, -v->range_y / 2, v->range_y / 2 - 1); |
| 1367 | } |
| 1368 | } |
| 1369 | |
| 1370 | static av_always_inline int scaleforsame(VC1Context *v, int i, int n /* MV */, |
| 1371 | int dim, int dir) |
| 1372 | { |
| 1373 | int brfd, scalesame; |
| 1374 | int hpel = 1 - v->s.quarter_sample; |
| 1375 | |
| 1376 | n >>= hpel; |
| 1377 | if (v->s.pict_type != AV_PICTURE_TYPE_B || v->second_field || !dir) { |
| 1378 | if (dim) |
| 1379 | n = scaleforsame_y(v, i, n, dir) << hpel; |
| 1380 | else |
| 1381 | n = scaleforsame_x(v, n, dir) << hpel; |
| 1382 | return n; |
| 1383 | } |
| 1384 | brfd = FFMIN(v->brfd, 3); |
| 1385 | scalesame = ff_vc1_b_field_mvpred_scales[0][brfd]; |
| 1386 | |
| 1387 | n = (n * scalesame >> 8) << hpel; |
| 1388 | return n; |
| 1389 | } |
| 1390 | |
| 1391 | static av_always_inline int scaleforopp(VC1Context *v, int n /* MV */, |
| 1392 | int dim, int dir) |
| 1393 | { |
| 1394 | int refdist, scaleopp; |
| 1395 | int hpel = 1 - v->s.quarter_sample; |
| 1396 | |
| 1397 | n >>= hpel; |
| 1398 | if (v->s.pict_type == AV_PICTURE_TYPE_B && !v->second_field && dir == 1) { |
| 1399 | if (dim) |
| 1400 | n = scaleforopp_y(v, n, dir) << hpel; |
| 1401 | else |
| 1402 | n = scaleforopp_x(v, n) << hpel; |
| 1403 | return n; |
| 1404 | } |
| 1405 | if (v->s.pict_type != AV_PICTURE_TYPE_B) |
| 1406 | refdist = FFMIN(v->refdist, 3); |
| 1407 | else |
| 1408 | refdist = dir ? v->brfd : v->frfd; |
| 1409 | scaleopp = ff_vc1_field_mvpred_scales[dir ^ v->second_field][0][refdist]; |
| 1410 | |
| 1411 | n = (n * scaleopp >> 8) << hpel; |
| 1412 | return n; |
| 1413 | } |
| 1414 | |
| 1415 | /** Predict and set motion vector |
| 1416 | */ |
| 1417 | static inline void vc1_pred_mv(VC1Context *v, int n, int dmv_x, int dmv_y, |
| 1418 | int mv1, int r_x, int r_y, uint8_t* is_intra, |
| 1419 | int pred_flag, int dir) |
| 1420 | { |
| 1421 | MpegEncContext *s = &v->s; |
| 1422 | int xy, wrap, off = 0; |
| 1423 | int16_t *A, *B, *C; |
| 1424 | int px, py; |
| 1425 | int sum; |
| 1426 | int mixedmv_pic, num_samefield = 0, num_oppfield = 0; |
| 1427 | int opposite, a_f, b_f, c_f; |
| 1428 | int16_t field_predA[2]; |
| 1429 | int16_t field_predB[2]; |
| 1430 | int16_t field_predC[2]; |
| 1431 | int a_valid, b_valid, c_valid; |
| 1432 | int hybridmv_thresh, y_bias = 0; |
| 1433 | |
| 1434 | if (v->mv_mode == MV_PMODE_MIXED_MV || |
| 1435 | ((v->mv_mode == MV_PMODE_INTENSITY_COMP) && (v->mv_mode2 == MV_PMODE_MIXED_MV))) |
| 1436 | mixedmv_pic = 1; |
| 1437 | else |
| 1438 | mixedmv_pic = 0; |
| 1439 | /* scale MV difference to be quad-pel */ |
| 1440 | dmv_x <<= 1 - s->quarter_sample; |
| 1441 | dmv_y <<= 1 - s->quarter_sample; |
| 1442 | |
| 1443 | wrap = s->b8_stride; |
| 1444 | xy = s->block_index[n]; |
| 1445 | |
| 1446 | if (s->mb_intra) { |
| 1447 | s->mv[0][n][0] = s->current_picture.motion_val[0][xy + v->blocks_off][0] = 0; |
| 1448 | s->mv[0][n][1] = s->current_picture.motion_val[0][xy + v->blocks_off][1] = 0; |
| 1449 | s->current_picture.motion_val[1][xy + v->blocks_off][0] = 0; |
| 1450 | s->current_picture.motion_val[1][xy + v->blocks_off][1] = 0; |
| 1451 | if (mv1) { /* duplicate motion data for 1-MV block */ |
| 1452 | s->current_picture.motion_val[0][xy + 1 + v->blocks_off][0] = 0; |
| 1453 | s->current_picture.motion_val[0][xy + 1 + v->blocks_off][1] = 0; |
| 1454 | s->current_picture.motion_val[0][xy + wrap + v->blocks_off][0] = 0; |
| 1455 | s->current_picture.motion_val[0][xy + wrap + v->blocks_off][1] = 0; |
| 1456 | s->current_picture.motion_val[0][xy + wrap + 1 + v->blocks_off][0] = 0; |
| 1457 | s->current_picture.motion_val[0][xy + wrap + 1 + v->blocks_off][1] = 0; |
| 1458 | v->luma_mv[s->mb_x][0] = v->luma_mv[s->mb_x][1] = 0; |
| 1459 | s->current_picture.motion_val[1][xy + 1 + v->blocks_off][0] = 0; |
| 1460 | s->current_picture.motion_val[1][xy + 1 + v->blocks_off][1] = 0; |
| 1461 | s->current_picture.motion_val[1][xy + wrap][0] = 0; |
| 1462 | s->current_picture.motion_val[1][xy + wrap + v->blocks_off][1] = 0; |
| 1463 | s->current_picture.motion_val[1][xy + wrap + 1 + v->blocks_off][0] = 0; |
| 1464 | s->current_picture.motion_val[1][xy + wrap + 1 + v->blocks_off][1] = 0; |
| 1465 | } |
| 1466 | return; |
| 1467 | } |
| 1468 | |
| 1469 | C = s->current_picture.motion_val[dir][xy - 1 + v->blocks_off]; |
| 1470 | A = s->current_picture.motion_val[dir][xy - wrap + v->blocks_off]; |
| 1471 | if (mv1) { |
| 1472 | if (v->field_mode && mixedmv_pic) |
| 1473 | off = (s->mb_x == (s->mb_width - 1)) ? -2 : 2; |
| 1474 | else |
| 1475 | off = (s->mb_x == (s->mb_width - 1)) ? -1 : 2; |
| 1476 | } else { |
| 1477 | //in 4-MV mode different blocks have different B predictor position |
| 1478 | switch (n) { |
| 1479 | case 0: |
| 1480 | off = (s->mb_x > 0) ? -1 : 1; |
| 1481 | break; |
| 1482 | case 1: |
| 1483 | off = (s->mb_x == (s->mb_width - 1)) ? -1 : 1; |
| 1484 | break; |
| 1485 | case 2: |
| 1486 | off = 1; |
| 1487 | break; |
| 1488 | case 3: |
| 1489 | off = -1; |
| 1490 | } |
| 1491 | } |
| 1492 | B = s->current_picture.motion_val[dir][xy - wrap + off + v->blocks_off]; |
| 1493 | |
| 1494 | a_valid = !s->first_slice_line || (n == 2 || n == 3); |
| 1495 | b_valid = a_valid && (s->mb_width > 1); |
| 1496 | c_valid = s->mb_x || (n == 1 || n == 3); |
| 1497 | if (v->field_mode) { |
| 1498 | a_valid = a_valid && !is_intra[xy - wrap]; |
| 1499 | b_valid = b_valid && !is_intra[xy - wrap + off]; |
| 1500 | c_valid = c_valid && !is_intra[xy - 1]; |
| 1501 | } |
| 1502 | |
| 1503 | if (a_valid) { |
| 1504 | a_f = v->mv_f[dir][xy - wrap + v->blocks_off]; |
| 1505 | num_oppfield += a_f; |
| 1506 | num_samefield += 1 - a_f; |
| 1507 | field_predA[0] = A[0]; |
| 1508 | field_predA[1] = A[1]; |
| 1509 | } else { |
| 1510 | field_predA[0] = field_predA[1] = 0; |
| 1511 | a_f = 0; |
| 1512 | } |
| 1513 | if (b_valid) { |
| 1514 | b_f = v->mv_f[dir][xy - wrap + off + v->blocks_off]; |
| 1515 | num_oppfield += b_f; |
| 1516 | num_samefield += 1 - b_f; |
| 1517 | field_predB[0] = B[0]; |
| 1518 | field_predB[1] = B[1]; |
| 1519 | } else { |
| 1520 | field_predB[0] = field_predB[1] = 0; |
| 1521 | b_f = 0; |
| 1522 | } |
| 1523 | if (c_valid) { |
| 1524 | c_f = v->mv_f[dir][xy - 1 + v->blocks_off]; |
| 1525 | num_oppfield += c_f; |
| 1526 | num_samefield += 1 - c_f; |
| 1527 | field_predC[0] = C[0]; |
| 1528 | field_predC[1] = C[1]; |
| 1529 | } else { |
| 1530 | field_predC[0] = field_predC[1] = 0; |
| 1531 | c_f = 0; |
| 1532 | } |
| 1533 | |
| 1534 | if (v->field_mode) { |
| 1535 | if (!v->numref) |
| 1536 | // REFFIELD determines if the last field or the second-last field is |
| 1537 | // to be used as reference |
| 1538 | opposite = 1 - v->reffield; |
| 1539 | else { |
| 1540 | if (num_samefield <= num_oppfield) |
| 1541 | opposite = 1 - pred_flag; |
| 1542 | else |
| 1543 | opposite = pred_flag; |
| 1544 | } |
| 1545 | } else |
| 1546 | opposite = 0; |
| 1547 | if (opposite) { |
| 1548 | if (a_valid && !a_f) { |
| 1549 | field_predA[0] = scaleforopp(v, field_predA[0], 0, dir); |
| 1550 | field_predA[1] = scaleforopp(v, field_predA[1], 1, dir); |
| 1551 | } |
| 1552 | if (b_valid && !b_f) { |
| 1553 | field_predB[0] = scaleforopp(v, field_predB[0], 0, dir); |
| 1554 | field_predB[1] = scaleforopp(v, field_predB[1], 1, dir); |
| 1555 | } |
| 1556 | if (c_valid && !c_f) { |
| 1557 | field_predC[0] = scaleforopp(v, field_predC[0], 0, dir); |
| 1558 | field_predC[1] = scaleforopp(v, field_predC[1], 1, dir); |
| 1559 | } |
| 1560 | v->mv_f[dir][xy + v->blocks_off] = 1; |
| 1561 | v->ref_field_type[dir] = !v->cur_field_type; |
| 1562 | } else { |
| 1563 | if (a_valid && a_f) { |
| 1564 | field_predA[0] = scaleforsame(v, n, field_predA[0], 0, dir); |
| 1565 | field_predA[1] = scaleforsame(v, n, field_predA[1], 1, dir); |
| 1566 | } |
| 1567 | if (b_valid && b_f) { |
| 1568 | field_predB[0] = scaleforsame(v, n, field_predB[0], 0, dir); |
| 1569 | field_predB[1] = scaleforsame(v, n, field_predB[1], 1, dir); |
| 1570 | } |
| 1571 | if (c_valid && c_f) { |
| 1572 | field_predC[0] = scaleforsame(v, n, field_predC[0], 0, dir); |
| 1573 | field_predC[1] = scaleforsame(v, n, field_predC[1], 1, dir); |
| 1574 | } |
| 1575 | v->mv_f[dir][xy + v->blocks_off] = 0; |
| 1576 | v->ref_field_type[dir] = v->cur_field_type; |
| 1577 | } |
| 1578 | |
| 1579 | if (a_valid) { |
| 1580 | px = field_predA[0]; |
| 1581 | py = field_predA[1]; |
| 1582 | } else if (c_valid) { |
| 1583 | px = field_predC[0]; |
| 1584 | py = field_predC[1]; |
| 1585 | } else if (b_valid) { |
| 1586 | px = field_predB[0]; |
| 1587 | py = field_predB[1]; |
| 1588 | } else { |
| 1589 | px = 0; |
| 1590 | py = 0; |
| 1591 | } |
| 1592 | |
| 1593 | if (num_samefield + num_oppfield > 1) { |
| 1594 | px = mid_pred(field_predA[0], field_predB[0], field_predC[0]); |
| 1595 | py = mid_pred(field_predA[1], field_predB[1], field_predC[1]); |
| 1596 | } |
| 1597 | |
| 1598 | /* Pullback MV as specified in 8.3.5.3.4 */ |
| 1599 | if (!v->field_mode) { |
| 1600 | int qx, qy, X, Y; |
| 1601 | qx = (s->mb_x << 6) + ((n == 1 || n == 3) ? 32 : 0); |
| 1602 | qy = (s->mb_y << 6) + ((n == 2 || n == 3) ? 32 : 0); |
| 1603 | X = (s->mb_width << 6) - 4; |
| 1604 | Y = (s->mb_height << 6) - 4; |
| 1605 | if (mv1) { |
| 1606 | if (qx + px < -60) px = -60 - qx; |
| 1607 | if (qy + py < -60) py = -60 - qy; |
| 1608 | } else { |
| 1609 | if (qx + px < -28) px = -28 - qx; |
| 1610 | if (qy + py < -28) py = -28 - qy; |
| 1611 | } |
| 1612 | if (qx + px > X) px = X - qx; |
| 1613 | if (qy + py > Y) py = Y - qy; |
| 1614 | } |
| 1615 | |
| 1616 | if (!v->field_mode || s->pict_type != AV_PICTURE_TYPE_B) { |
| 1617 | /* Calculate hybrid prediction as specified in 8.3.5.3.5 (also 10.3.5.4.3.5) */ |
| 1618 | hybridmv_thresh = 32; |
| 1619 | if (a_valid && c_valid) { |
| 1620 | if (is_intra[xy - wrap]) |
| 1621 | sum = FFABS(px) + FFABS(py); |
| 1622 | else |
| 1623 | sum = FFABS(px - field_predA[0]) + FFABS(py - field_predA[1]); |
| 1624 | if (sum > hybridmv_thresh) { |
| 1625 | if (get_bits1(&s->gb)) { // read HYBRIDPRED bit |
| 1626 | px = field_predA[0]; |
| 1627 | py = field_predA[1]; |
| 1628 | } else { |
| 1629 | px = field_predC[0]; |
| 1630 | py = field_predC[1]; |
| 1631 | } |
| 1632 | } else { |
| 1633 | if (is_intra[xy - 1]) |
| 1634 | sum = FFABS(px) + FFABS(py); |
| 1635 | else |
| 1636 | sum = FFABS(px - field_predC[0]) + FFABS(py - field_predC[1]); |
| 1637 | if (sum > hybridmv_thresh) { |
| 1638 | if (get_bits1(&s->gb)) { |
| 1639 | px = field_predA[0]; |
| 1640 | py = field_predA[1]; |
| 1641 | } else { |
| 1642 | px = field_predC[0]; |
| 1643 | py = field_predC[1]; |
| 1644 | } |
| 1645 | } |
| 1646 | } |
| 1647 | } |
| 1648 | } |
| 1649 | |
| 1650 | if (v->field_mode && v->numref) |
| 1651 | r_y >>= 1; |
| 1652 | if (v->field_mode && v->cur_field_type && v->ref_field_type[dir] == 0) |
| 1653 | y_bias = 1; |
| 1654 | /* store MV using signed modulus of MV range defined in 4.11 */ |
| 1655 | s->mv[dir][n][0] = s->current_picture.motion_val[dir][xy + v->blocks_off][0] = ((px + dmv_x + r_x) & ((r_x << 1) - 1)) - r_x; |
| 1656 | s->mv[dir][n][1] = s->current_picture.motion_val[dir][xy + v->blocks_off][1] = ((py + dmv_y + r_y - y_bias) & ((r_y << 1) - 1)) - r_y + y_bias; |
| 1657 | if (mv1) { /* duplicate motion data for 1-MV block */ |
| 1658 | s->current_picture.motion_val[dir][xy + 1 + v->blocks_off][0] = s->current_picture.motion_val[dir][xy + v->blocks_off][0]; |
| 1659 | s->current_picture.motion_val[dir][xy + 1 + v->blocks_off][1] = s->current_picture.motion_val[dir][xy + v->blocks_off][1]; |
| 1660 | s->current_picture.motion_val[dir][xy + wrap + v->blocks_off][0] = s->current_picture.motion_val[dir][xy + v->blocks_off][0]; |
| 1661 | s->current_picture.motion_val[dir][xy + wrap + v->blocks_off][1] = s->current_picture.motion_val[dir][xy + v->blocks_off][1]; |
| 1662 | s->current_picture.motion_val[dir][xy + wrap + 1 + v->blocks_off][0] = s->current_picture.motion_val[dir][xy + v->blocks_off][0]; |
| 1663 | s->current_picture.motion_val[dir][xy + wrap + 1 + v->blocks_off][1] = s->current_picture.motion_val[dir][xy + v->blocks_off][1]; |
| 1664 | v->mv_f[dir][xy + 1 + v->blocks_off] = v->mv_f[dir][xy + v->blocks_off]; |
| 1665 | v->mv_f[dir][xy + wrap + v->blocks_off] = v->mv_f[dir][xy + wrap + 1 + v->blocks_off] = v->mv_f[dir][xy + v->blocks_off]; |
| 1666 | } |
| 1667 | } |
| 1668 | |
| 1669 | /** Predict and set motion vector for interlaced frame picture MBs |
| 1670 | */ |
| 1671 | static inline void vc1_pred_mv_intfr(VC1Context *v, int n, int dmv_x, int dmv_y, |
| 1672 | int mvn, int r_x, int r_y, uint8_t* is_intra, int dir) |
| 1673 | { |
| 1674 | MpegEncContext *s = &v->s; |
| 1675 | int xy, wrap, off = 0; |
| 1676 | int A[2], B[2], C[2]; |
| 1677 | int px = 0, py = 0; |
| 1678 | int a_valid = 0, b_valid = 0, c_valid = 0; |
| 1679 | int field_a, field_b, field_c; // 0: same, 1: opposit |
| 1680 | int total_valid, num_samefield, num_oppfield; |
| 1681 | int pos_c, pos_b, n_adj; |
| 1682 | |
| 1683 | wrap = s->b8_stride; |
| 1684 | xy = s->block_index[n]; |
| 1685 | |
| 1686 | if (s->mb_intra) { |
| 1687 | s->mv[0][n][0] = s->current_picture.motion_val[0][xy][0] = 0; |
| 1688 | s->mv[0][n][1] = s->current_picture.motion_val[0][xy][1] = 0; |
| 1689 | s->current_picture.motion_val[1][xy][0] = 0; |
| 1690 | s->current_picture.motion_val[1][xy][1] = 0; |
| 1691 | if (mvn == 1) { /* duplicate motion data for 1-MV block */ |
| 1692 | s->current_picture.motion_val[0][xy + 1][0] = 0; |
| 1693 | s->current_picture.motion_val[0][xy + 1][1] = 0; |
| 1694 | s->current_picture.motion_val[0][xy + wrap][0] = 0; |
| 1695 | s->current_picture.motion_val[0][xy + wrap][1] = 0; |
| 1696 | s->current_picture.motion_val[0][xy + wrap + 1][0] = 0; |
| 1697 | s->current_picture.motion_val[0][xy + wrap + 1][1] = 0; |
| 1698 | v->luma_mv[s->mb_x][0] = v->luma_mv[s->mb_x][1] = 0; |
| 1699 | s->current_picture.motion_val[1][xy + 1][0] = 0; |
| 1700 | s->current_picture.motion_val[1][xy + 1][1] = 0; |
| 1701 | s->current_picture.motion_val[1][xy + wrap][0] = 0; |
| 1702 | s->current_picture.motion_val[1][xy + wrap][1] = 0; |
| 1703 | s->current_picture.motion_val[1][xy + wrap + 1][0] = 0; |
| 1704 | s->current_picture.motion_val[1][xy + wrap + 1][1] = 0; |
| 1705 | } |
| 1706 | return; |
| 1707 | } |
| 1708 | |
| 1709 | off = ((n == 0) || (n == 1)) ? 1 : -1; |
| 1710 | /* predict A */ |
| 1711 | if (s->mb_x || (n == 1) || (n == 3)) { |
| 1712 | if ((v->blk_mv_type[xy]) // current block (MB) has a field MV |
| 1713 | || (!v->blk_mv_type[xy] && !v->blk_mv_type[xy - 1])) { // or both have frame MV |
| 1714 | A[0] = s->current_picture.motion_val[dir][xy - 1][0]; |
| 1715 | A[1] = s->current_picture.motion_val[dir][xy - 1][1]; |
| 1716 | a_valid = 1; |
| 1717 | } else { // current block has frame mv and cand. has field MV (so average) |
| 1718 | A[0] = (s->current_picture.motion_val[dir][xy - 1][0] |
| 1719 | + s->current_picture.motion_val[dir][xy - 1 + off * wrap][0] + 1) >> 1; |
| 1720 | A[1] = (s->current_picture.motion_val[dir][xy - 1][1] |
| 1721 | + s->current_picture.motion_val[dir][xy - 1 + off * wrap][1] + 1) >> 1; |
| 1722 | a_valid = 1; |
| 1723 | } |
| 1724 | if (!(n & 1) && v->is_intra[s->mb_x - 1]) { |
| 1725 | a_valid = 0; |
| 1726 | A[0] = A[1] = 0; |
| 1727 | } |
| 1728 | } else |
| 1729 | A[0] = A[1] = 0; |
| 1730 | /* Predict B and C */ |
| 1731 | B[0] = B[1] = C[0] = C[1] = 0; |
| 1732 | if (n == 0 || n == 1 || v->blk_mv_type[xy]) { |
| 1733 | if (!s->first_slice_line) { |
| 1734 | if (!v->is_intra[s->mb_x - s->mb_stride]) { |
| 1735 | b_valid = 1; |
| 1736 | n_adj = n | 2; |
| 1737 | pos_b = s->block_index[n_adj] - 2 * wrap; |
| 1738 | if (v->blk_mv_type[pos_b] && v->blk_mv_type[xy]) { |
| 1739 | n_adj = (n & 2) | (n & 1); |
| 1740 | } |
| 1741 | B[0] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap][0]; |
| 1742 | B[1] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap][1]; |
| 1743 | if (v->blk_mv_type[pos_b] && !v->blk_mv_type[xy]) { |
| 1744 | B[0] = (B[0] + s->current_picture.motion_val[dir][s->block_index[n_adj ^ 2] - 2 * wrap][0] + 1) >> 1; |
| 1745 | B[1] = (B[1] + s->current_picture.motion_val[dir][s->block_index[n_adj ^ 2] - 2 * wrap][1] + 1) >> 1; |
| 1746 | } |
| 1747 | } |
| 1748 | if (s->mb_width > 1) { |
| 1749 | if (!v->is_intra[s->mb_x - s->mb_stride + 1]) { |
| 1750 | c_valid = 1; |
| 1751 | n_adj = 2; |
| 1752 | pos_c = s->block_index[2] - 2 * wrap + 2; |
| 1753 | if (v->blk_mv_type[pos_c] && v->blk_mv_type[xy]) { |
| 1754 | n_adj = n & 2; |
| 1755 | } |
| 1756 | C[0] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap + 2][0]; |
| 1757 | C[1] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap + 2][1]; |
| 1758 | if (v->blk_mv_type[pos_c] && !v->blk_mv_type[xy]) { |
| 1759 | C[0] = (1 + C[0] + (s->current_picture.motion_val[dir][s->block_index[n_adj ^ 2] - 2 * wrap + 2][0])) >> 1; |
| 1760 | C[1] = (1 + C[1] + (s->current_picture.motion_val[dir][s->block_index[n_adj ^ 2] - 2 * wrap + 2][1])) >> 1; |
| 1761 | } |
| 1762 | if (s->mb_x == s->mb_width - 1) { |
| 1763 | if (!v->is_intra[s->mb_x - s->mb_stride - 1]) { |
| 1764 | c_valid = 1; |
| 1765 | n_adj = 3; |
| 1766 | pos_c = s->block_index[3] - 2 * wrap - 2; |
| 1767 | if (v->blk_mv_type[pos_c] && v->blk_mv_type[xy]) { |
| 1768 | n_adj = n | 1; |
| 1769 | } |
| 1770 | C[0] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap - 2][0]; |
| 1771 | C[1] = s->current_picture.motion_val[dir][s->block_index[n_adj] - 2 * wrap - 2][1]; |
| 1772 | if (v->blk_mv_type[pos_c] && !v->blk_mv_type[xy]) { |
| 1773 | C[0] = (1 + C[0] + s->current_picture.motion_val[dir][s->block_index[1] - 2 * wrap - 2][0]) >> 1; |
| 1774 | C[1] = (1 + C[1] + s->current_picture.motion_val[dir][s->block_index[1] - 2 * wrap - 2][1]) >> 1; |
| 1775 | } |
| 1776 | } else |
| 1777 | c_valid = 0; |
| 1778 | } |
| 1779 | } |
| 1780 | } |
| 1781 | } |
| 1782 | } else { |
| 1783 | pos_b = s->block_index[1]; |
| 1784 | b_valid = 1; |
| 1785 | B[0] = s->current_picture.motion_val[dir][pos_b][0]; |
| 1786 | B[1] = s->current_picture.motion_val[dir][pos_b][1]; |
| 1787 | pos_c = s->block_index[0]; |
| 1788 | c_valid = 1; |
| 1789 | C[0] = s->current_picture.motion_val[dir][pos_c][0]; |
| 1790 | C[1] = s->current_picture.motion_val[dir][pos_c][1]; |
| 1791 | } |
| 1792 | |
| 1793 | total_valid = a_valid + b_valid + c_valid; |
| 1794 | // check if predictor A is out of bounds |
| 1795 | if (!s->mb_x && !(n == 1 || n == 3)) { |
| 1796 | A[0] = A[1] = 0; |
| 1797 | } |
| 1798 | // check if predictor B is out of bounds |
| 1799 | if ((s->first_slice_line && v->blk_mv_type[xy]) || (s->first_slice_line && !(n & 2))) { |
| 1800 | B[0] = B[1] = C[0] = C[1] = 0; |
| 1801 | } |
| 1802 | if (!v->blk_mv_type[xy]) { |
| 1803 | if (s->mb_width == 1) { |
| 1804 | px = B[0]; |
| 1805 | py = B[1]; |
| 1806 | } else { |
| 1807 | if (total_valid >= 2) { |
| 1808 | px = mid_pred(A[0], B[0], C[0]); |
| 1809 | py = mid_pred(A[1], B[1], C[1]); |
| 1810 | } else if (total_valid) { |
| 1811 | if (a_valid) { px = A[0]; py = A[1]; } |
| 1812 | else if (b_valid) { px = B[0]; py = B[1]; } |
| 1813 | else { px = C[0]; py = C[1]; } |
| 1814 | } |
| 1815 | } |
| 1816 | } else { |
| 1817 | if (a_valid) |
| 1818 | field_a = (A[1] & 4) ? 1 : 0; |
| 1819 | else |
| 1820 | field_a = 0; |
| 1821 | if (b_valid) |
| 1822 | field_b = (B[1] & 4) ? 1 : 0; |
| 1823 | else |
| 1824 | field_b = 0; |
| 1825 | if (c_valid) |
| 1826 | field_c = (C[1] & 4) ? 1 : 0; |
| 1827 | else |
| 1828 | field_c = 0; |
| 1829 | |
| 1830 | num_oppfield = field_a + field_b + field_c; |
| 1831 | num_samefield = total_valid - num_oppfield; |
| 1832 | if (total_valid == 3) { |
| 1833 | if ((num_samefield == 3) || (num_oppfield == 3)) { |
| 1834 | px = mid_pred(A[0], B[0], C[0]); |
| 1835 | py = mid_pred(A[1], B[1], C[1]); |
| 1836 | } else if (num_samefield >= num_oppfield) { |
| 1837 | /* take one MV from same field set depending on priority |
| 1838 | the check for B may not be necessary */ |
| 1839 | px = !field_a ? A[0] : B[0]; |
| 1840 | py = !field_a ? A[1] : B[1]; |
| 1841 | } else { |
| 1842 | px = field_a ? A[0] : B[0]; |
| 1843 | py = field_a ? A[1] : B[1]; |
| 1844 | } |
| 1845 | } else if (total_valid == 2) { |
| 1846 | if (num_samefield >= num_oppfield) { |
| 1847 | if (!field_a && a_valid) { |
| 1848 | px = A[0]; |
| 1849 | py = A[1]; |
| 1850 | } else if (!field_b && b_valid) { |
| 1851 | px = B[0]; |
| 1852 | py = B[1]; |
| 1853 | } else /*if (c_valid)*/ { |
| 1854 | av_assert1(c_valid); |
| 1855 | px = C[0]; |
| 1856 | py = C[1]; |
| 1857 | } /*else px = py = 0;*/ |
| 1858 | } else { |
| 1859 | if (field_a && a_valid) { |
| 1860 | px = A[0]; |
| 1861 | py = A[1]; |
| 1862 | } else /*if (field_b && b_valid)*/ { |
| 1863 | av_assert1(field_b && b_valid); |
| 1864 | px = B[0]; |
| 1865 | py = B[1]; |
| 1866 | } /*else if (c_valid) { |
| 1867 | px = C[0]; |
| 1868 | py = C[1]; |
| 1869 | }*/ |
| 1870 | } |
| 1871 | } else if (total_valid == 1) { |
| 1872 | px = (a_valid) ? A[0] : ((b_valid) ? B[0] : C[0]); |
| 1873 | py = (a_valid) ? A[1] : ((b_valid) ? B[1] : C[1]); |
| 1874 | } |
| 1875 | } |
| 1876 | |
| 1877 | /* store MV using signed modulus of MV range defined in 4.11 */ |
| 1878 | s->mv[dir][n][0] = s->current_picture.motion_val[dir][xy][0] = ((px + dmv_x + r_x) & ((r_x << 1) - 1)) - r_x; |
| 1879 | s->mv[dir][n][1] = s->current_picture.motion_val[dir][xy][1] = ((py + dmv_y + r_y) & ((r_y << 1) - 1)) - r_y; |
| 1880 | if (mvn == 1) { /* duplicate motion data for 1-MV block */ |
| 1881 | s->current_picture.motion_val[dir][xy + 1 ][0] = s->current_picture.motion_val[dir][xy][0]; |
| 1882 | s->current_picture.motion_val[dir][xy + 1 ][1] = s->current_picture.motion_val[dir][xy][1]; |
| 1883 | s->current_picture.motion_val[dir][xy + wrap ][0] = s->current_picture.motion_val[dir][xy][0]; |
| 1884 | s->current_picture.motion_val[dir][xy + wrap ][1] = s->current_picture.motion_val[dir][xy][1]; |
| 1885 | s->current_picture.motion_val[dir][xy + wrap + 1][0] = s->current_picture.motion_val[dir][xy][0]; |
| 1886 | s->current_picture.motion_val[dir][xy + wrap + 1][1] = s->current_picture.motion_val[dir][xy][1]; |
| 1887 | } else if (mvn == 2) { /* duplicate motion data for 2-Field MV block */ |
| 1888 | s->current_picture.motion_val[dir][xy + 1][0] = s->current_picture.motion_val[dir][xy][0]; |
| 1889 | s->current_picture.motion_val[dir][xy + 1][1] = s->current_picture.motion_val[dir][xy][1]; |
| 1890 | s->mv[dir][n + 1][0] = s->mv[dir][n][0]; |
| 1891 | s->mv[dir][n + 1][1] = s->mv[dir][n][1]; |
| 1892 | } |
| 1893 | } |
| 1894 | |
| 1895 | /** Motion compensation for direct or interpolated blocks in B-frames |
| 1896 | */ |
| 1897 | static void vc1_interp_mc(VC1Context *v) |
| 1898 | { |
| 1899 | MpegEncContext *s = &v->s; |
| 1900 | H264ChromaContext *h264chroma = &v->h264chroma; |
| 1901 | uint8_t *srcY, *srcU, *srcV; |
| 1902 | int dxy, mx, my, uvmx, uvmy, src_x, src_y, uvsrc_x, uvsrc_y; |
| 1903 | int off, off_uv; |
| 1904 | int v_edge_pos = s->v_edge_pos >> v->field_mode; |
| 1905 | int use_ic = v->next_use_ic; |
| 1906 | |
| 1907 | if (!v->field_mode && !v->s.next_picture.f->data[0]) |
| 1908 | return; |
| 1909 | |
| 1910 | mx = s->mv[1][0][0]; |
| 1911 | my = s->mv[1][0][1]; |
| 1912 | uvmx = (mx + ((mx & 3) == 3)) >> 1; |
| 1913 | uvmy = (my + ((my & 3) == 3)) >> 1; |
| 1914 | if (v->field_mode) { |
| 1915 | if (v->cur_field_type != v->ref_field_type[1]) { |
| 1916 | my = my - 2 + 4 * v->cur_field_type; |
| 1917 | uvmy = uvmy - 2 + 4 * v->cur_field_type; |
| 1918 | } |
| 1919 | } |
| 1920 | if (v->fastuvmc) { |
| 1921 | uvmx = uvmx + ((uvmx < 0) ? -(uvmx & 1) : (uvmx & 1)); |
| 1922 | uvmy = uvmy + ((uvmy < 0) ? -(uvmy & 1) : (uvmy & 1)); |
| 1923 | } |
| 1924 | srcY = s->next_picture.f->data[0]; |
| 1925 | srcU = s->next_picture.f->data[1]; |
| 1926 | srcV = s->next_picture.f->data[2]; |
| 1927 | |
| 1928 | src_x = s->mb_x * 16 + (mx >> 2); |
| 1929 | src_y = s->mb_y * 16 + (my >> 2); |
| 1930 | uvsrc_x = s->mb_x * 8 + (uvmx >> 2); |
| 1931 | uvsrc_y = s->mb_y * 8 + (uvmy >> 2); |
| 1932 | |
| 1933 | if (v->profile != PROFILE_ADVANCED) { |
| 1934 | src_x = av_clip( src_x, -16, s->mb_width * 16); |
| 1935 | src_y = av_clip( src_y, -16, s->mb_height * 16); |
| 1936 | uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8); |
| 1937 | uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8); |
| 1938 | } else { |
| 1939 | src_x = av_clip( src_x, -17, s->avctx->coded_width); |
| 1940 | src_y = av_clip( src_y, -18, s->avctx->coded_height + 1); |
| 1941 | uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1); |
| 1942 | uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1); |
| 1943 | } |
| 1944 | |
| 1945 | srcY += src_y * s->linesize + src_x; |
| 1946 | srcU += uvsrc_y * s->uvlinesize + uvsrc_x; |
| 1947 | srcV += uvsrc_y * s->uvlinesize + uvsrc_x; |
| 1948 | |
| 1949 | if (v->field_mode && v->ref_field_type[1]) { |
| 1950 | srcY += s->current_picture_ptr->f->linesize[0]; |
| 1951 | srcU += s->current_picture_ptr->f->linesize[1]; |
| 1952 | srcV += s->current_picture_ptr->f->linesize[2]; |
| 1953 | } |
| 1954 | |
| 1955 | /* for grayscale we should not try to read from unknown area */ |
| 1956 | if (s->flags & CODEC_FLAG_GRAY) { |
| 1957 | srcU = s->edge_emu_buffer + 18 * s->linesize; |
| 1958 | srcV = s->edge_emu_buffer + 18 * s->linesize; |
| 1959 | } |
| 1960 | |
| 1961 | if (v->rangeredfrm || s->h_edge_pos < 22 || v_edge_pos < 22 || use_ic |
| 1962 | || (unsigned)(src_x - 1) > s->h_edge_pos - (mx & 3) - 16 - 3 |
| 1963 | || (unsigned)(src_y - 1) > v_edge_pos - (my & 3) - 16 - 3) { |
| 1964 | uint8_t *ubuf = s->edge_emu_buffer + 19 * s->linesize; |
| 1965 | uint8_t *vbuf = ubuf + 9 * s->uvlinesize; |
| 1966 | |
| 1967 | srcY -= s->mspel * (1 + s->linesize); |
| 1968 | s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY, |
| 1969 | s->linesize, s->linesize, |
| 1970 | 17 + s->mspel * 2, 17 + s->mspel * 2, |
| 1971 | src_x - s->mspel, src_y - s->mspel, |
| 1972 | s->h_edge_pos, v_edge_pos); |
| 1973 | srcY = s->edge_emu_buffer; |
| 1974 | s->vdsp.emulated_edge_mc(ubuf, srcU, |
| 1975 | s->uvlinesize, s->uvlinesize, |
| 1976 | 8 + 1, 8 + 1, |
| 1977 | uvsrc_x, uvsrc_y, |
| 1978 | s->h_edge_pos >> 1, v_edge_pos >> 1); |
| 1979 | s->vdsp.emulated_edge_mc(vbuf, srcV, |
| 1980 | s->uvlinesize, s->uvlinesize, |
| 1981 | 8 + 1, 8 + 1, |
| 1982 | uvsrc_x, uvsrc_y, |
| 1983 | s->h_edge_pos >> 1, v_edge_pos >> 1); |
| 1984 | srcU = ubuf; |
| 1985 | srcV = vbuf; |
| 1986 | /* if we deal with range reduction we need to scale source blocks */ |
| 1987 | if (v->rangeredfrm) { |
| 1988 | int i, j; |
| 1989 | uint8_t *src, *src2; |
| 1990 | |
| 1991 | src = srcY; |
| 1992 | for (j = 0; j < 17 + s->mspel * 2; j++) { |
| 1993 | for (i = 0; i < 17 + s->mspel * 2; i++) |
| 1994 | src[i] = ((src[i] - 128) >> 1) + 128; |
| 1995 | src += s->linesize; |
| 1996 | } |
| 1997 | src = srcU; |
| 1998 | src2 = srcV; |
| 1999 | for (j = 0; j < 9; j++) { |
| 2000 | for (i = 0; i < 9; i++) { |
| 2001 | src[i] = ((src[i] - 128) >> 1) + 128; |
| 2002 | src2[i] = ((src2[i] - 128) >> 1) + 128; |
| 2003 | } |
| 2004 | src += s->uvlinesize; |
| 2005 | src2 += s->uvlinesize; |
| 2006 | } |
| 2007 | } |
| 2008 | |
| 2009 | if (use_ic) { |
| 2010 | uint8_t (*luty )[256] = v->next_luty; |
| 2011 | uint8_t (*lutuv)[256] = v->next_lutuv; |
| 2012 | int i, j; |
| 2013 | uint8_t *src, *src2; |
| 2014 | |
| 2015 | src = srcY; |
| 2016 | for (j = 0; j < 17 + s->mspel * 2; j++) { |
| 2017 | int f = v->field_mode ? v->ref_field_type[1] : ((j+src_y - s->mspel) & 1); |
| 2018 | for (i = 0; i < 17 + s->mspel * 2; i++) |
| 2019 | src[i] = luty[f][src[i]]; |
| 2020 | src += s->linesize; |
| 2021 | } |
| 2022 | src = srcU; |
| 2023 | src2 = srcV; |
| 2024 | for (j = 0; j < 9; j++) { |
| 2025 | int f = v->field_mode ? v->ref_field_type[1] : ((j+uvsrc_y) & 1); |
| 2026 | for (i = 0; i < 9; i++) { |
| 2027 | src[i] = lutuv[f][src[i]]; |
| 2028 | src2[i] = lutuv[f][src2[i]]; |
| 2029 | } |
| 2030 | src += s->uvlinesize; |
| 2031 | src2 += s->uvlinesize; |
| 2032 | } |
| 2033 | } |
| 2034 | srcY += s->mspel * (1 + s->linesize); |
| 2035 | } |
| 2036 | |
| 2037 | off = 0; |
| 2038 | off_uv = 0; |
| 2039 | |
| 2040 | if (s->mspel) { |
| 2041 | dxy = ((my & 3) << 2) | (mx & 3); |
| 2042 | v->vc1dsp.avg_vc1_mspel_pixels_tab[0][dxy](s->dest[0] + off , srcY , s->linesize, v->rnd); |
| 2043 | } else { // hpel mc |
| 2044 | dxy = (my & 2) | ((mx & 2) >> 1); |
| 2045 | |
| 2046 | if (!v->rnd) |
| 2047 | s->hdsp.avg_pixels_tab[0][dxy](s->dest[0] + off, srcY, s->linesize, 16); |
| 2048 | else |
| 2049 | s->hdsp.avg_no_rnd_pixels_tab[dxy](s->dest[0] + off, srcY, s->linesize, 16); |
| 2050 | } |
| 2051 | |
| 2052 | if (s->flags & CODEC_FLAG_GRAY) return; |
| 2053 | /* Chroma MC always uses qpel blilinear */ |
| 2054 | uvmx = (uvmx & 3) << 1; |
| 2055 | uvmy = (uvmy & 3) << 1; |
| 2056 | if (!v->rnd) { |
| 2057 | h264chroma->avg_h264_chroma_pixels_tab[0](s->dest[1] + off_uv, srcU, s->uvlinesize, 8, uvmx, uvmy); |
| 2058 | h264chroma->avg_h264_chroma_pixels_tab[0](s->dest[2] + off_uv, srcV, s->uvlinesize, 8, uvmx, uvmy); |
| 2059 | } else { |
| 2060 | v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1] + off_uv, srcU, s->uvlinesize, 8, uvmx, uvmy); |
| 2061 | v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2] + off_uv, srcV, s->uvlinesize, 8, uvmx, uvmy); |
| 2062 | } |
| 2063 | } |
| 2064 | |
| 2065 | static av_always_inline int scale_mv(int value, int bfrac, int inv, int qs) |
| 2066 | { |
| 2067 | int n = bfrac; |
| 2068 | |
| 2069 | #if B_FRACTION_DEN==256 |
| 2070 | if (inv) |
| 2071 | n -= 256; |
| 2072 | if (!qs) |
| 2073 | return 2 * ((value * n + 255) >> 9); |
| 2074 | return (value * n + 128) >> 8; |
| 2075 | #else |
| 2076 | if (inv) |
| 2077 | n -= B_FRACTION_DEN; |
| 2078 | if (!qs) |
| 2079 | return 2 * ((value * n + B_FRACTION_DEN - 1) / (2 * B_FRACTION_DEN)); |
| 2080 | return (value * n + B_FRACTION_DEN/2) / B_FRACTION_DEN; |
| 2081 | #endif |
| 2082 | } |
| 2083 | |
| 2084 | /** Reconstruct motion vector for B-frame and do motion compensation |
| 2085 | */ |
| 2086 | static inline void vc1_b_mc(VC1Context *v, int dmv_x[2], int dmv_y[2], |
| 2087 | int direct, int mode) |
| 2088 | { |
| 2089 | if (direct) { |
| 2090 | vc1_mc_1mv(v, 0); |
| 2091 | vc1_interp_mc(v); |
| 2092 | return; |
| 2093 | } |
| 2094 | if (mode == BMV_TYPE_INTERPOLATED) { |
| 2095 | vc1_mc_1mv(v, 0); |
| 2096 | vc1_interp_mc(v); |
| 2097 | return; |
| 2098 | } |
| 2099 | |
| 2100 | vc1_mc_1mv(v, (mode == BMV_TYPE_BACKWARD)); |
| 2101 | } |
| 2102 | |
| 2103 | static inline void vc1_pred_b_mv(VC1Context *v, int dmv_x[2], int dmv_y[2], |
| 2104 | int direct, int mvtype) |
| 2105 | { |
| 2106 | MpegEncContext *s = &v->s; |
| 2107 | int xy, wrap, off = 0; |
| 2108 | int16_t *A, *B, *C; |
| 2109 | int px, py; |
| 2110 | int sum; |
| 2111 | int r_x, r_y; |
| 2112 | const uint8_t *is_intra = v->mb_type[0]; |
| 2113 | |
| 2114 | av_assert0(!v->field_mode); |
| 2115 | |
| 2116 | r_x = v->range_x; |
| 2117 | r_y = v->range_y; |
| 2118 | /* scale MV difference to be quad-pel */ |
| 2119 | dmv_x[0] <<= 1 - s->quarter_sample; |
| 2120 | dmv_y[0] <<= 1 - s->quarter_sample; |
| 2121 | dmv_x[1] <<= 1 - s->quarter_sample; |
| 2122 | dmv_y[1] <<= 1 - s->quarter_sample; |
| 2123 | |
| 2124 | wrap = s->b8_stride; |
| 2125 | xy = s->block_index[0]; |
| 2126 | |
| 2127 | if (s->mb_intra) { |
| 2128 | s->current_picture.motion_val[0][xy][0] = |
| 2129 | s->current_picture.motion_val[0][xy][1] = |
| 2130 | s->current_picture.motion_val[1][xy][0] = |
| 2131 | s->current_picture.motion_val[1][xy][1] = 0; |
| 2132 | return; |
| 2133 | } |
| 2134 | if (direct && s->next_picture_ptr->field_picture) |
| 2135 | av_log(s->avctx, AV_LOG_WARNING, "Mixed frame/field direct mode not supported\n"); |
| 2136 | |
| 2137 | s->mv[0][0][0] = scale_mv(s->next_picture.motion_val[1][xy][0], v->bfraction, 0, s->quarter_sample); |
| 2138 | s->mv[0][0][1] = scale_mv(s->next_picture.motion_val[1][xy][1], v->bfraction, 0, s->quarter_sample); |
| 2139 | s->mv[1][0][0] = scale_mv(s->next_picture.motion_val[1][xy][0], v->bfraction, 1, s->quarter_sample); |
| 2140 | s->mv[1][0][1] = scale_mv(s->next_picture.motion_val[1][xy][1], v->bfraction, 1, s->quarter_sample); |
| 2141 | |
| 2142 | /* Pullback predicted motion vectors as specified in 8.4.5.4 */ |
| 2143 | s->mv[0][0][0] = av_clip(s->mv[0][0][0], -60 - (s->mb_x << 6), (s->mb_width << 6) - 4 - (s->mb_x << 6)); |
| 2144 | s->mv[0][0][1] = av_clip(s->mv[0][0][1], -60 - (s->mb_y << 6), (s->mb_height << 6) - 4 - (s->mb_y << 6)); |
| 2145 | s->mv[1][0][0] = av_clip(s->mv[1][0][0], -60 - (s->mb_x << 6), (s->mb_width << 6) - 4 - (s->mb_x << 6)); |
| 2146 | s->mv[1][0][1] = av_clip(s->mv[1][0][1], -60 - (s->mb_y << 6), (s->mb_height << 6) - 4 - (s->mb_y << 6)); |
| 2147 | if (direct) { |
| 2148 | s->current_picture.motion_val[0][xy][0] = s->mv[0][0][0]; |
| 2149 | s->current_picture.motion_val[0][xy][1] = s->mv[0][0][1]; |
| 2150 | s->current_picture.motion_val[1][xy][0] = s->mv[1][0][0]; |
| 2151 | s->current_picture.motion_val[1][xy][1] = s->mv[1][0][1]; |
| 2152 | return; |
| 2153 | } |
| 2154 | |
| 2155 | if ((mvtype == BMV_TYPE_FORWARD) || (mvtype == BMV_TYPE_INTERPOLATED)) { |
| 2156 | C = s->current_picture.motion_val[0][xy - 2]; |
| 2157 | A = s->current_picture.motion_val[0][xy - wrap * 2]; |
| 2158 | off = (s->mb_x == (s->mb_width - 1)) ? -2 : 2; |
| 2159 | B = s->current_picture.motion_val[0][xy - wrap * 2 + off]; |
| 2160 | |
| 2161 | if (!s->mb_x) C[0] = C[1] = 0; |
| 2162 | if (!s->first_slice_line) { // predictor A is not out of bounds |
| 2163 | if (s->mb_width == 1) { |
| 2164 | px = A[0]; |
| 2165 | py = A[1]; |
| 2166 | } else { |
| 2167 | px = mid_pred(A[0], B[0], C[0]); |
| 2168 | py = mid_pred(A[1], B[1], C[1]); |
| 2169 | } |
| 2170 | } else if (s->mb_x) { // predictor C is not out of bounds |
| 2171 | px = C[0]; |
| 2172 | py = C[1]; |
| 2173 | } else { |
| 2174 | px = py = 0; |
| 2175 | } |
| 2176 | /* Pullback MV as specified in 8.3.5.3.4 */ |
| 2177 | { |
| 2178 | int qx, qy, X, Y; |
| 2179 | if (v->profile < PROFILE_ADVANCED) { |
| 2180 | qx = (s->mb_x << 5); |
| 2181 | qy = (s->mb_y << 5); |
| 2182 | X = (s->mb_width << 5) - 4; |
| 2183 | Y = (s->mb_height << 5) - 4; |
| 2184 | if (qx + px < -28) px = -28 - qx; |
| 2185 | if (qy + py < -28) py = -28 - qy; |
| 2186 | if (qx + px > X) px = X - qx; |
| 2187 | if (qy + py > Y) py = Y - qy; |
| 2188 | } else { |
| 2189 | qx = (s->mb_x << 6); |
| 2190 | qy = (s->mb_y << 6); |
| 2191 | X = (s->mb_width << 6) - 4; |
| 2192 | Y = (s->mb_height << 6) - 4; |
| 2193 | if (qx + px < -60) px = -60 - qx; |
| 2194 | if (qy + py < -60) py = -60 - qy; |
| 2195 | if (qx + px > X) px = X - qx; |
| 2196 | if (qy + py > Y) py = Y - qy; |
| 2197 | } |
| 2198 | } |
| 2199 | /* Calculate hybrid prediction as specified in 8.3.5.3.5 */ |
| 2200 | if (0 && !s->first_slice_line && s->mb_x) { |
| 2201 | if (is_intra[xy - wrap]) |
| 2202 | sum = FFABS(px) + FFABS(py); |
| 2203 | else |
| 2204 | sum = FFABS(px - A[0]) + FFABS(py - A[1]); |
| 2205 | if (sum > 32) { |
| 2206 | if (get_bits1(&s->gb)) { |
| 2207 | px = A[0]; |
| 2208 | py = A[1]; |
| 2209 | } else { |
| 2210 | px = C[0]; |
| 2211 | py = C[1]; |
| 2212 | } |
| 2213 | } else { |
| 2214 | if (is_intra[xy - 2]) |
| 2215 | sum = FFABS(px) + FFABS(py); |
| 2216 | else |
| 2217 | sum = FFABS(px - C[0]) + FFABS(py - C[1]); |
| 2218 | if (sum > 32) { |
| 2219 | if (get_bits1(&s->gb)) { |
| 2220 | px = A[0]; |
| 2221 | py = A[1]; |
| 2222 | } else { |
| 2223 | px = C[0]; |
| 2224 | py = C[1]; |
| 2225 | } |
| 2226 | } |
| 2227 | } |
| 2228 | } |
| 2229 | /* store MV using signed modulus of MV range defined in 4.11 */ |
| 2230 | s->mv[0][0][0] = ((px + dmv_x[0] + r_x) & ((r_x << 1) - 1)) - r_x; |
| 2231 | s->mv[0][0][1] = ((py + dmv_y[0] + r_y) & ((r_y << 1) - 1)) - r_y; |
| 2232 | } |
| 2233 | if ((mvtype == BMV_TYPE_BACKWARD) || (mvtype == BMV_TYPE_INTERPOLATED)) { |
| 2234 | C = s->current_picture.motion_val[1][xy - 2]; |
| 2235 | A = s->current_picture.motion_val[1][xy - wrap * 2]; |
| 2236 | off = (s->mb_x == (s->mb_width - 1)) ? -2 : 2; |
| 2237 | B = s->current_picture.motion_val[1][xy - wrap * 2 + off]; |
| 2238 | |
| 2239 | if (!s->mb_x) |
| 2240 | C[0] = C[1] = 0; |
| 2241 | if (!s->first_slice_line) { // predictor A is not out of bounds |
| 2242 | if (s->mb_width == 1) { |
| 2243 | px = A[0]; |
| 2244 | py = A[1]; |
| 2245 | } else { |
| 2246 | px = mid_pred(A[0], B[0], C[0]); |
| 2247 | py = mid_pred(A[1], B[1], C[1]); |
| 2248 | } |
| 2249 | } else if (s->mb_x) { // predictor C is not out of bounds |
| 2250 | px = C[0]; |
| 2251 | py = C[1]; |
| 2252 | } else { |
| 2253 | px = py = 0; |
| 2254 | } |
| 2255 | /* Pullback MV as specified in 8.3.5.3.4 */ |
| 2256 | { |
| 2257 | int qx, qy, X, Y; |
| 2258 | if (v->profile < PROFILE_ADVANCED) { |
| 2259 | qx = (s->mb_x << 5); |
| 2260 | qy = (s->mb_y << 5); |
| 2261 | X = (s->mb_width << 5) - 4; |
| 2262 | Y = (s->mb_height << 5) - 4; |
| 2263 | if (qx + px < -28) px = -28 - qx; |
| 2264 | if (qy + py < -28) py = -28 - qy; |
| 2265 | if (qx + px > X) px = X - qx; |
| 2266 | if (qy + py > Y) py = Y - qy; |
| 2267 | } else { |
| 2268 | qx = (s->mb_x << 6); |
| 2269 | qy = (s->mb_y << 6); |
| 2270 | X = (s->mb_width << 6) - 4; |
| 2271 | Y = (s->mb_height << 6) - 4; |
| 2272 | if (qx + px < -60) px = -60 - qx; |
| 2273 | if (qy + py < -60) py = -60 - qy; |
| 2274 | if (qx + px > X) px = X - qx; |
| 2275 | if (qy + py > Y) py = Y - qy; |
| 2276 | } |
| 2277 | } |
| 2278 | /* Calculate hybrid prediction as specified in 8.3.5.3.5 */ |
| 2279 | if (0 && !s->first_slice_line && s->mb_x) { |
| 2280 | if (is_intra[xy - wrap]) |
| 2281 | sum = FFABS(px) + FFABS(py); |
| 2282 | else |
| 2283 | sum = FFABS(px - A[0]) + FFABS(py - A[1]); |
| 2284 | if (sum > 32) { |
| 2285 | if (get_bits1(&s->gb)) { |
| 2286 | px = A[0]; |
| 2287 | py = A[1]; |
| 2288 | } else { |
| 2289 | px = C[0]; |
| 2290 | py = C[1]; |
| 2291 | } |
| 2292 | } else { |
| 2293 | if (is_intra[xy - 2]) |
| 2294 | sum = FFABS(px) + FFABS(py); |
| 2295 | else |
| 2296 | sum = FFABS(px - C[0]) + FFABS(py - C[1]); |
| 2297 | if (sum > 32) { |
| 2298 | if (get_bits1(&s->gb)) { |
| 2299 | px = A[0]; |
| 2300 | py = A[1]; |
| 2301 | } else { |
| 2302 | px = C[0]; |
| 2303 | py = C[1]; |
| 2304 | } |
| 2305 | } |
| 2306 | } |
| 2307 | } |
| 2308 | /* store MV using signed modulus of MV range defined in 4.11 */ |
| 2309 | |
| 2310 | s->mv[1][0][0] = ((px + dmv_x[1] + r_x) & ((r_x << 1) - 1)) - r_x; |
| 2311 | s->mv[1][0][1] = ((py + dmv_y[1] + r_y) & ((r_y << 1) - 1)) - r_y; |
| 2312 | } |
| 2313 | s->current_picture.motion_val[0][xy][0] = s->mv[0][0][0]; |
| 2314 | s->current_picture.motion_val[0][xy][1] = s->mv[0][0][1]; |
| 2315 | s->current_picture.motion_val[1][xy][0] = s->mv[1][0][0]; |
| 2316 | s->current_picture.motion_val[1][xy][1] = s->mv[1][0][1]; |
| 2317 | } |
| 2318 | |
| 2319 | static inline void vc1_pred_b_mv_intfi(VC1Context *v, int n, int *dmv_x, int *dmv_y, int mv1, int *pred_flag) |
| 2320 | { |
| 2321 | int dir = (v->bmvtype == BMV_TYPE_BACKWARD) ? 1 : 0; |
| 2322 | MpegEncContext *s = &v->s; |
| 2323 | int mb_pos = s->mb_x + s->mb_y * s->mb_stride; |
| 2324 | |
| 2325 | if (v->bmvtype == BMV_TYPE_DIRECT) { |
| 2326 | int total_opp, k, f; |
| 2327 | if (s->next_picture.mb_type[mb_pos + v->mb_off] != MB_TYPE_INTRA) { |
| 2328 | s->mv[0][0][0] = scale_mv(s->next_picture.motion_val[1][s->block_index[0] + v->blocks_off][0], |
| 2329 | v->bfraction, 0, s->quarter_sample); |
| 2330 | s->mv[0][0][1] = scale_mv(s->next_picture.motion_val[1][s->block_index[0] + v->blocks_off][1], |
| 2331 | v->bfraction, 0, s->quarter_sample); |
| 2332 | s->mv[1][0][0] = scale_mv(s->next_picture.motion_val[1][s->block_index[0] + v->blocks_off][0], |
| 2333 | v->bfraction, 1, s->quarter_sample); |
| 2334 | s->mv[1][0][1] = scale_mv(s->next_picture.motion_val[1][s->block_index[0] + v->blocks_off][1], |
| 2335 | v->bfraction, 1, s->quarter_sample); |
| 2336 | |
| 2337 | total_opp = v->mv_f_next[0][s->block_index[0] + v->blocks_off] |
| 2338 | + v->mv_f_next[0][s->block_index[1] + v->blocks_off] |
| 2339 | + v->mv_f_next[0][s->block_index[2] + v->blocks_off] |
| 2340 | + v->mv_f_next[0][s->block_index[3] + v->blocks_off]; |
| 2341 | f = (total_opp > 2) ? 1 : 0; |
| 2342 | } else { |
| 2343 | s->mv[0][0][0] = s->mv[0][0][1] = 0; |
| 2344 | s->mv[1][0][0] = s->mv[1][0][1] = 0; |
| 2345 | f = 0; |
| 2346 | } |
| 2347 | v->ref_field_type[0] = v->ref_field_type[1] = v->cur_field_type ^ f; |
| 2348 | for (k = 0; k < 4; k++) { |
| 2349 | s->current_picture.motion_val[0][s->block_index[k] + v->blocks_off][0] = s->mv[0][0][0]; |
| 2350 | s->current_picture.motion_val[0][s->block_index[k] + v->blocks_off][1] = s->mv[0][0][1]; |
| 2351 | s->current_picture.motion_val[1][s->block_index[k] + v->blocks_off][0] = s->mv[1][0][0]; |
| 2352 | s->current_picture.motion_val[1][s->block_index[k] + v->blocks_off][1] = s->mv[1][0][1]; |
| 2353 | v->mv_f[0][s->block_index[k] + v->blocks_off] = f; |
| 2354 | v->mv_f[1][s->block_index[k] + v->blocks_off] = f; |
| 2355 | } |
| 2356 | return; |
| 2357 | } |
| 2358 | if (v->bmvtype == BMV_TYPE_INTERPOLATED) { |
| 2359 | vc1_pred_mv(v, 0, dmv_x[0], dmv_y[0], 1, v->range_x, v->range_y, v->mb_type[0], pred_flag[0], 0); |
| 2360 | vc1_pred_mv(v, 0, dmv_x[1], dmv_y[1], 1, v->range_x, v->range_y, v->mb_type[0], pred_flag[1], 1); |
| 2361 | return; |
| 2362 | } |
| 2363 | if (dir) { // backward |
| 2364 | vc1_pred_mv(v, n, dmv_x[1], dmv_y[1], mv1, v->range_x, v->range_y, v->mb_type[0], pred_flag[1], 1); |
| 2365 | if (n == 3 || mv1) { |
| 2366 | vc1_pred_mv(v, 0, dmv_x[0], dmv_y[0], 1, v->range_x, v->range_y, v->mb_type[0], 0, 0); |
| 2367 | } |
| 2368 | } else { // forward |
| 2369 | vc1_pred_mv(v, n, dmv_x[0], dmv_y[0], mv1, v->range_x, v->range_y, v->mb_type[0], pred_flag[0], 0); |
| 2370 | if (n == 3 || mv1) { |
| 2371 | vc1_pred_mv(v, 0, dmv_x[1], dmv_y[1], 1, v->range_x, v->range_y, v->mb_type[0], 0, 1); |
| 2372 | } |
| 2373 | } |
| 2374 | } |
| 2375 | |
| 2376 | /** Get predicted DC value for I-frames only |
| 2377 | * prediction dir: left=0, top=1 |
| 2378 | * @param s MpegEncContext |
| 2379 | * @param overlap flag indicating that overlap filtering is used |
| 2380 | * @param pq integer part of picture quantizer |
| 2381 | * @param[in] n block index in the current MB |
| 2382 | * @param dc_val_ptr Pointer to DC predictor |
| 2383 | * @param dir_ptr Prediction direction for use in AC prediction |
| 2384 | */ |
| 2385 | static inline int vc1_i_pred_dc(MpegEncContext *s, int overlap, int pq, int n, |
| 2386 | int16_t **dc_val_ptr, int *dir_ptr) |
| 2387 | { |
| 2388 | int a, b, c, wrap, pred, scale; |
| 2389 | int16_t *dc_val; |
| 2390 | static const uint16_t dcpred[32] = { |
| 2391 | -1, 1024, 512, 341, 256, 205, 171, 146, 128, |
| 2392 | 114, 102, 93, 85, 79, 73, 68, 64, |
| 2393 | 60, 57, 54, 51, 49, 47, 45, 43, |
| 2394 | 41, 39, 38, 37, 35, 34, 33 |
| 2395 | }; |
| 2396 | |
| 2397 | /* find prediction - wmv3_dc_scale always used here in fact */ |
| 2398 | if (n < 4) scale = s->y_dc_scale; |
| 2399 | else scale = s->c_dc_scale; |
| 2400 | |
| 2401 | wrap = s->block_wrap[n]; |
| 2402 | dc_val = s->dc_val[0] + s->block_index[n]; |
| 2403 | |
| 2404 | /* B A |
| 2405 | * C X |
| 2406 | */ |
| 2407 | c = dc_val[ - 1]; |
| 2408 | b = dc_val[ - 1 - wrap]; |
| 2409 | a = dc_val[ - wrap]; |
| 2410 | |
| 2411 | if (pq < 9 || !overlap) { |
| 2412 | /* Set outer values */ |
| 2413 | if (s->first_slice_line && (n != 2 && n != 3)) |
| 2414 | b = a = dcpred[scale]; |
| 2415 | if (s->mb_x == 0 && (n != 1 && n != 3)) |
| 2416 | b = c = dcpred[scale]; |
| 2417 | } else { |
| 2418 | /* Set outer values */ |
| 2419 | if (s->first_slice_line && (n != 2 && n != 3)) |
| 2420 | b = a = 0; |
| 2421 | if (s->mb_x == 0 && (n != 1 && n != 3)) |
| 2422 | b = c = 0; |
| 2423 | } |
| 2424 | |
| 2425 | if (abs(a - b) <= abs(b - c)) { |
| 2426 | pred = c; |
| 2427 | *dir_ptr = 1; // left |
| 2428 | } else { |
| 2429 | pred = a; |
| 2430 | *dir_ptr = 0; // top |
| 2431 | } |
| 2432 | |
| 2433 | /* update predictor */ |
| 2434 | *dc_val_ptr = &dc_val[0]; |
| 2435 | return pred; |
| 2436 | } |
| 2437 | |
| 2438 | |
| 2439 | /** Get predicted DC value |
| 2440 | * prediction dir: left=0, top=1 |
| 2441 | * @param s MpegEncContext |
| 2442 | * @param overlap flag indicating that overlap filtering is used |
| 2443 | * @param pq integer part of picture quantizer |
| 2444 | * @param[in] n block index in the current MB |
| 2445 | * @param a_avail flag indicating top block availability |
| 2446 | * @param c_avail flag indicating left block availability |
| 2447 | * @param dc_val_ptr Pointer to DC predictor |
| 2448 | * @param dir_ptr Prediction direction for use in AC prediction |
| 2449 | */ |
| 2450 | static inline int vc1_pred_dc(MpegEncContext *s, int overlap, int pq, int n, |
| 2451 | int a_avail, int c_avail, |
| 2452 | int16_t **dc_val_ptr, int *dir_ptr) |
| 2453 | { |
| 2454 | int a, b, c, wrap, pred; |
| 2455 | int16_t *dc_val; |
| 2456 | int mb_pos = s->mb_x + s->mb_y * s->mb_stride; |
| 2457 | int q1, q2 = 0; |
| 2458 | int dqscale_index; |
| 2459 | |
| 2460 | wrap = s->block_wrap[n]; |
| 2461 | dc_val = s->dc_val[0] + s->block_index[n]; |
| 2462 | |
| 2463 | /* B A |
| 2464 | * C X |
| 2465 | */ |
| 2466 | c = dc_val[ - 1]; |
| 2467 | b = dc_val[ - 1 - wrap]; |
| 2468 | a = dc_val[ - wrap]; |
| 2469 | /* scale predictors if needed */ |
| 2470 | q1 = s->current_picture.qscale_table[mb_pos]; |
| 2471 | dqscale_index = s->y_dc_scale_table[q1] - 1; |
| 2472 | if (dqscale_index < 0) |
| 2473 | return 0; |
| 2474 | if (c_avail && (n != 1 && n != 3)) { |
| 2475 | q2 = s->current_picture.qscale_table[mb_pos - 1]; |
| 2476 | if (q2 && q2 != q1) |
| 2477 | c = (c * s->y_dc_scale_table[q2] * ff_vc1_dqscale[dqscale_index] + 0x20000) >> 18; |
| 2478 | } |
| 2479 | if (a_avail && (n != 2 && n != 3)) { |
| 2480 | q2 = s->current_picture.qscale_table[mb_pos - s->mb_stride]; |
| 2481 | if (q2 && q2 != q1) |
| 2482 | a = (a * s->y_dc_scale_table[q2] * ff_vc1_dqscale[dqscale_index] + 0x20000) >> 18; |
| 2483 | } |
| 2484 | if (a_avail && c_avail && (n != 3)) { |
| 2485 | int off = mb_pos; |
| 2486 | if (n != 1) |
| 2487 | off--; |
| 2488 | if (n != 2) |
| 2489 | off -= s->mb_stride; |
| 2490 | q2 = s->current_picture.qscale_table[off]; |
| 2491 | if (q2 && q2 != q1) |
| 2492 | b = (b * s->y_dc_scale_table[q2] * ff_vc1_dqscale[dqscale_index] + 0x20000) >> 18; |
| 2493 | } |
| 2494 | |
| 2495 | if (a_avail && c_avail) { |
| 2496 | if (abs(a - b) <= abs(b - c)) { |
| 2497 | pred = c; |
| 2498 | *dir_ptr = 1; // left |
| 2499 | } else { |
| 2500 | pred = a; |
| 2501 | *dir_ptr = 0; // top |
| 2502 | } |
| 2503 | } else if (a_avail) { |
| 2504 | pred = a; |
| 2505 | *dir_ptr = 0; // top |
| 2506 | } else if (c_avail) { |
| 2507 | pred = c; |
| 2508 | *dir_ptr = 1; // left |
| 2509 | } else { |
| 2510 | pred = 0; |
| 2511 | *dir_ptr = 1; // left |
| 2512 | } |
| 2513 | |
| 2514 | /* update predictor */ |
| 2515 | *dc_val_ptr = &dc_val[0]; |
| 2516 | return pred; |
| 2517 | } |
| 2518 | |
| 2519 | /** @} */ // Block group |
| 2520 | |
| 2521 | /** |
| 2522 | * @name VC1 Macroblock-level functions in Simple/Main Profiles |
| 2523 | * @see 7.1.4, p91 and 8.1.1.7, p(1)04 |
| 2524 | * @{ |
| 2525 | */ |
| 2526 | |
| 2527 | static inline int vc1_coded_block_pred(MpegEncContext * s, int n, |
| 2528 | uint8_t **coded_block_ptr) |
| 2529 | { |
| 2530 | int xy, wrap, pred, a, b, c; |
| 2531 | |
| 2532 | xy = s->block_index[n]; |
| 2533 | wrap = s->b8_stride; |
| 2534 | |
| 2535 | /* B C |
| 2536 | * A X |
| 2537 | */ |
| 2538 | a = s->coded_block[xy - 1 ]; |
| 2539 | b = s->coded_block[xy - 1 - wrap]; |
| 2540 | c = s->coded_block[xy - wrap]; |
| 2541 | |
| 2542 | if (b == c) { |
| 2543 | pred = a; |
| 2544 | } else { |
| 2545 | pred = c; |
| 2546 | } |
| 2547 | |
| 2548 | /* store value */ |
| 2549 | *coded_block_ptr = &s->coded_block[xy]; |
| 2550 | |
| 2551 | return pred; |
| 2552 | } |
| 2553 | |
| 2554 | /** |
| 2555 | * Decode one AC coefficient |
| 2556 | * @param v The VC1 context |
| 2557 | * @param last Last coefficient |
| 2558 | * @param skip How much zero coefficients to skip |
| 2559 | * @param value Decoded AC coefficient value |
| 2560 | * @param codingset set of VLC to decode data |
| 2561 | * @see 8.1.3.4 |
| 2562 | */ |
| 2563 | static void vc1_decode_ac_coeff(VC1Context *v, int *last, int *skip, |
| 2564 | int *value, int codingset) |
| 2565 | { |
| 2566 | GetBitContext *gb = &v->s.gb; |
| 2567 | int index, escape, run = 0, level = 0, lst = 0; |
| 2568 | |
| 2569 | index = get_vlc2(gb, ff_vc1_ac_coeff_table[codingset].table, AC_VLC_BITS, 3); |
| 2570 | if (index != ff_vc1_ac_sizes[codingset] - 1) { |
| 2571 | run = vc1_index_decode_table[codingset][index][0]; |
| 2572 | level = vc1_index_decode_table[codingset][index][1]; |
| 2573 | lst = index >= vc1_last_decode_table[codingset] || get_bits_left(gb) < 0; |
| 2574 | if (get_bits1(gb)) |
| 2575 | level = -level; |
| 2576 | } else { |
| 2577 | escape = decode210(gb); |
| 2578 | if (escape != 2) { |
| 2579 | index = get_vlc2(gb, ff_vc1_ac_coeff_table[codingset].table, AC_VLC_BITS, 3); |
| 2580 | run = vc1_index_decode_table[codingset][index][0]; |
| 2581 | level = vc1_index_decode_table[codingset][index][1]; |
| 2582 | lst = index >= vc1_last_decode_table[codingset]; |
| 2583 | if (escape == 0) { |
| 2584 | if (lst) |
| 2585 | level += vc1_last_delta_level_table[codingset][run]; |
| 2586 | else |
| 2587 | level += vc1_delta_level_table[codingset][run]; |
| 2588 | } else { |
| 2589 | if (lst) |
| 2590 | run += vc1_last_delta_run_table[codingset][level] + 1; |
| 2591 | else |
| 2592 | run += vc1_delta_run_table[codingset][level] + 1; |
| 2593 | } |
| 2594 | if (get_bits1(gb)) |
| 2595 | level = -level; |
| 2596 | } else { |
| 2597 | int sign; |
| 2598 | lst = get_bits1(gb); |
| 2599 | if (v->s.esc3_level_length == 0) { |
| 2600 | if (v->pq < 8 || v->dquantfrm) { // table 59 |
| 2601 | v->s.esc3_level_length = get_bits(gb, 3); |
| 2602 | if (!v->s.esc3_level_length) |
| 2603 | v->s.esc3_level_length = get_bits(gb, 2) + 8; |
| 2604 | } else { // table 60 |
| 2605 | v->s.esc3_level_length = get_unary(gb, 1, 6) + 2; |
| 2606 | } |
| 2607 | v->s.esc3_run_length = 3 + get_bits(gb, 2); |
| 2608 | } |
| 2609 | run = get_bits(gb, v->s.esc3_run_length); |
| 2610 | sign = get_bits1(gb); |
| 2611 | level = get_bits(gb, v->s.esc3_level_length); |
| 2612 | if (sign) |
| 2613 | level = -level; |
| 2614 | } |
| 2615 | } |
| 2616 | |
| 2617 | *last = lst; |
| 2618 | *skip = run; |
| 2619 | *value = level; |
| 2620 | } |
| 2621 | |
| 2622 | /** Decode intra block in intra frames - should be faster than decode_intra_block |
| 2623 | * @param v VC1Context |
| 2624 | * @param block block to decode |
| 2625 | * @param[in] n subblock index |
| 2626 | * @param coded are AC coeffs present or not |
| 2627 | * @param codingset set of VLC to decode data |
| 2628 | */ |
| 2629 | static int vc1_decode_i_block(VC1Context *v, int16_t block[64], int n, |
| 2630 | int coded, int codingset) |
| 2631 | { |
| 2632 | GetBitContext *gb = &v->s.gb; |
| 2633 | MpegEncContext *s = &v->s; |
| 2634 | int dc_pred_dir = 0; /* Direction of the DC prediction used */ |
| 2635 | int i; |
| 2636 | int16_t *dc_val; |
| 2637 | int16_t *ac_val, *ac_val2; |
| 2638 | int dcdiff; |
| 2639 | |
| 2640 | /* Get DC differential */ |
| 2641 | if (n < 4) { |
| 2642 | dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_luma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3); |
| 2643 | } else { |
| 2644 | dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_chroma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3); |
| 2645 | } |
| 2646 | if (dcdiff < 0) { |
| 2647 | av_log(s->avctx, AV_LOG_ERROR, "Illegal DC VLC\n"); |
| 2648 | return -1; |
| 2649 | } |
| 2650 | if (dcdiff) { |
| 2651 | if (dcdiff == 119 /* ESC index value */) { |
| 2652 | /* TODO: Optimize */ |
| 2653 | if (v->pq == 1) dcdiff = get_bits(gb, 10); |
| 2654 | else if (v->pq == 2) dcdiff = get_bits(gb, 9); |
| 2655 | else dcdiff = get_bits(gb, 8); |
| 2656 | } else { |
| 2657 | if (v->pq == 1) |
| 2658 | dcdiff = (dcdiff << 2) + get_bits(gb, 2) - 3; |
| 2659 | else if (v->pq == 2) |
| 2660 | dcdiff = (dcdiff << 1) + get_bits1(gb) - 1; |
| 2661 | } |
| 2662 | if (get_bits1(gb)) |
| 2663 | dcdiff = -dcdiff; |
| 2664 | } |
| 2665 | |
| 2666 | /* Prediction */ |
| 2667 | dcdiff += vc1_i_pred_dc(&v->s, v->overlap, v->pq, n, &dc_val, &dc_pred_dir); |
| 2668 | *dc_val = dcdiff; |
| 2669 | |
| 2670 | /* Store the quantized DC coeff, used for prediction */ |
| 2671 | if (n < 4) { |
| 2672 | block[0] = dcdiff * s->y_dc_scale; |
| 2673 | } else { |
| 2674 | block[0] = dcdiff * s->c_dc_scale; |
| 2675 | } |
| 2676 | /* Skip ? */ |
| 2677 | if (!coded) { |
| 2678 | goto not_coded; |
| 2679 | } |
| 2680 | |
| 2681 | // AC Decoding |
| 2682 | i = 1; |
| 2683 | |
| 2684 | { |
| 2685 | int last = 0, skip, value; |
| 2686 | const uint8_t *zz_table; |
| 2687 | int scale; |
| 2688 | int k; |
| 2689 | |
| 2690 | scale = v->pq * 2 + v->halfpq; |
| 2691 | |
| 2692 | if (v->s.ac_pred) { |
| 2693 | if (!dc_pred_dir) |
| 2694 | zz_table = v->zz_8x8[2]; |
| 2695 | else |
| 2696 | zz_table = v->zz_8x8[3]; |
| 2697 | } else |
| 2698 | zz_table = v->zz_8x8[1]; |
| 2699 | |
| 2700 | ac_val = s->ac_val[0][0] + s->block_index[n] * 16; |
| 2701 | ac_val2 = ac_val; |
| 2702 | if (dc_pred_dir) // left |
| 2703 | ac_val -= 16; |
| 2704 | else // top |
| 2705 | ac_val -= 16 * s->block_wrap[n]; |
| 2706 | |
| 2707 | while (!last) { |
| 2708 | vc1_decode_ac_coeff(v, &last, &skip, &value, codingset); |
| 2709 | i += skip; |
| 2710 | if (i > 63) |
| 2711 | break; |
| 2712 | block[zz_table[i++]] = value; |
| 2713 | } |
| 2714 | |
| 2715 | /* apply AC prediction if needed */ |
| 2716 | if (s->ac_pred) { |
| 2717 | if (dc_pred_dir) { // left |
| 2718 | for (k = 1; k < 8; k++) |
| 2719 | block[k << v->left_blk_sh] += ac_val[k]; |
| 2720 | } else { // top |
| 2721 | for (k = 1; k < 8; k++) |
| 2722 | block[k << v->top_blk_sh] += ac_val[k + 8]; |
| 2723 | } |
| 2724 | } |
| 2725 | /* save AC coeffs for further prediction */ |
| 2726 | for (k = 1; k < 8; k++) { |
| 2727 | ac_val2[k] = block[k << v->left_blk_sh]; |
| 2728 | ac_val2[k + 8] = block[k << v->top_blk_sh]; |
| 2729 | } |
| 2730 | |
| 2731 | /* scale AC coeffs */ |
| 2732 | for (k = 1; k < 64; k++) |
| 2733 | if (block[k]) { |
| 2734 | block[k] *= scale; |
| 2735 | if (!v->pquantizer) |
| 2736 | block[k] += (block[k] < 0) ? -v->pq : v->pq; |
| 2737 | } |
| 2738 | |
| 2739 | if (s->ac_pred) i = 63; |
| 2740 | } |
| 2741 | |
| 2742 | not_coded: |
| 2743 | if (!coded) { |
| 2744 | int k, scale; |
| 2745 | ac_val = s->ac_val[0][0] + s->block_index[n] * 16; |
| 2746 | ac_val2 = ac_val; |
| 2747 | |
| 2748 | i = 0; |
| 2749 | scale = v->pq * 2 + v->halfpq; |
| 2750 | memset(ac_val2, 0, 16 * 2); |
| 2751 | if (dc_pred_dir) { // left |
| 2752 | ac_val -= 16; |
| 2753 | if (s->ac_pred) |
| 2754 | memcpy(ac_val2, ac_val, 8 * 2); |
| 2755 | } else { // top |
| 2756 | ac_val -= 16 * s->block_wrap[n]; |
| 2757 | if (s->ac_pred) |
| 2758 | memcpy(ac_val2 + 8, ac_val + 8, 8 * 2); |
| 2759 | } |
| 2760 | |
| 2761 | /* apply AC prediction if needed */ |
| 2762 | if (s->ac_pred) { |
| 2763 | if (dc_pred_dir) { //left |
| 2764 | for (k = 1; k < 8; k++) { |
| 2765 | block[k << v->left_blk_sh] = ac_val[k] * scale; |
| 2766 | if (!v->pquantizer && block[k << v->left_blk_sh]) |
| 2767 | block[k << v->left_blk_sh] += (block[k << v->left_blk_sh] < 0) ? -v->pq : v->pq; |
| 2768 | } |
| 2769 | } else { // top |
| 2770 | for (k = 1; k < 8; k++) { |
| 2771 | block[k << v->top_blk_sh] = ac_val[k + 8] * scale; |
| 2772 | if (!v->pquantizer && block[k << v->top_blk_sh]) |
| 2773 | block[k << v->top_blk_sh] += (block[k << v->top_blk_sh] < 0) ? -v->pq : v->pq; |
| 2774 | } |
| 2775 | } |
| 2776 | i = 63; |
| 2777 | } |
| 2778 | } |
| 2779 | s->block_last_index[n] = i; |
| 2780 | |
| 2781 | return 0; |
| 2782 | } |
| 2783 | |
| 2784 | /** Decode intra block in intra frames - should be faster than decode_intra_block |
| 2785 | * @param v VC1Context |
| 2786 | * @param block block to decode |
| 2787 | * @param[in] n subblock number |
| 2788 | * @param coded are AC coeffs present or not |
| 2789 | * @param codingset set of VLC to decode data |
| 2790 | * @param mquant quantizer value for this macroblock |
| 2791 | */ |
| 2792 | static int vc1_decode_i_block_adv(VC1Context *v, int16_t block[64], int n, |
| 2793 | int coded, int codingset, int mquant) |
| 2794 | { |
| 2795 | GetBitContext *gb = &v->s.gb; |
| 2796 | MpegEncContext *s = &v->s; |
| 2797 | int dc_pred_dir = 0; /* Direction of the DC prediction used */ |
| 2798 | int i; |
| 2799 | int16_t *dc_val = NULL; |
| 2800 | int16_t *ac_val, *ac_val2; |
| 2801 | int dcdiff; |
| 2802 | int a_avail = v->a_avail, c_avail = v->c_avail; |
| 2803 | int use_pred = s->ac_pred; |
| 2804 | int scale; |
| 2805 | int q1, q2 = 0; |
| 2806 | int mb_pos = s->mb_x + s->mb_y * s->mb_stride; |
| 2807 | |
| 2808 | /* Get DC differential */ |
| 2809 | if (n < 4) { |
| 2810 | dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_luma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3); |
| 2811 | } else { |
| 2812 | dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_chroma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3); |
| 2813 | } |
| 2814 | if (dcdiff < 0) { |
| 2815 | av_log(s->avctx, AV_LOG_ERROR, "Illegal DC VLC\n"); |
| 2816 | return -1; |
| 2817 | } |
| 2818 | if (dcdiff) { |
| 2819 | if (dcdiff == 119 /* ESC index value */) { |
| 2820 | /* TODO: Optimize */ |
| 2821 | if (mquant == 1) dcdiff = get_bits(gb, 10); |
| 2822 | else if (mquant == 2) dcdiff = get_bits(gb, 9); |
| 2823 | else dcdiff = get_bits(gb, 8); |
| 2824 | } else { |
| 2825 | if (mquant == 1) |
| 2826 | dcdiff = (dcdiff << 2) + get_bits(gb, 2) - 3; |
| 2827 | else if (mquant == 2) |
| 2828 | dcdiff = (dcdiff << 1) + get_bits1(gb) - 1; |
| 2829 | } |
| 2830 | if (get_bits1(gb)) |
| 2831 | dcdiff = -dcdiff; |
| 2832 | } |
| 2833 | |
| 2834 | /* Prediction */ |
| 2835 | dcdiff += vc1_pred_dc(&v->s, v->overlap, mquant, n, v->a_avail, v->c_avail, &dc_val, &dc_pred_dir); |
| 2836 | *dc_val = dcdiff; |
| 2837 | |
| 2838 | /* Store the quantized DC coeff, used for prediction */ |
| 2839 | if (n < 4) { |
| 2840 | block[0] = dcdiff * s->y_dc_scale; |
| 2841 | } else { |
| 2842 | block[0] = dcdiff * s->c_dc_scale; |
| 2843 | } |
| 2844 | |
| 2845 | //AC Decoding |
| 2846 | i = 1; |
| 2847 | |
| 2848 | /* check if AC is needed at all */ |
| 2849 | if (!a_avail && !c_avail) |
| 2850 | use_pred = 0; |
| 2851 | ac_val = s->ac_val[0][0] + s->block_index[n] * 16; |
| 2852 | ac_val2 = ac_val; |
| 2853 | |
| 2854 | scale = mquant * 2 + ((mquant == v->pq) ? v->halfpq : 0); |
| 2855 | |
| 2856 | if (dc_pred_dir) // left |
| 2857 | ac_val -= 16; |
| 2858 | else // top |
| 2859 | ac_val -= 16 * s->block_wrap[n]; |
| 2860 | |
| 2861 | q1 = s->current_picture.qscale_table[mb_pos]; |
| 2862 | if ( dc_pred_dir && c_avail && mb_pos) |
| 2863 | q2 = s->current_picture.qscale_table[mb_pos - 1]; |
| 2864 | if (!dc_pred_dir && a_avail && mb_pos >= s->mb_stride) |
| 2865 | q2 = s->current_picture.qscale_table[mb_pos - s->mb_stride]; |
| 2866 | if ( dc_pred_dir && n == 1) |
| 2867 | q2 = q1; |
| 2868 | if (!dc_pred_dir && n == 2) |
| 2869 | q2 = q1; |
| 2870 | if (n == 3) |
| 2871 | q2 = q1; |
| 2872 | |
| 2873 | if (coded) { |
| 2874 | int last = 0, skip, value; |
| 2875 | const uint8_t *zz_table; |
| 2876 | int k; |
| 2877 | |
| 2878 | if (v->s.ac_pred) { |
| 2879 | if (!use_pred && v->fcm == ILACE_FRAME) { |
| 2880 | zz_table = v->zzi_8x8; |
| 2881 | } else { |
| 2882 | if (!dc_pred_dir) // top |
| 2883 | zz_table = v->zz_8x8[2]; |
| 2884 | else // left |
| 2885 | zz_table = v->zz_8x8[3]; |
| 2886 | } |
| 2887 | } else { |
| 2888 | if (v->fcm != ILACE_FRAME) |
| 2889 | zz_table = v->zz_8x8[1]; |
| 2890 | else |
| 2891 | zz_table = v->zzi_8x8; |
| 2892 | } |
| 2893 | |
| 2894 | while (!last) { |
| 2895 | vc1_decode_ac_coeff(v, &last, &skip, &value, codingset); |
| 2896 | i += skip; |
| 2897 | if (i > 63) |
| 2898 | break; |
| 2899 | block[zz_table[i++]] = value; |
| 2900 | } |
| 2901 | |
| 2902 | /* apply AC prediction if needed */ |
| 2903 | if (use_pred) { |
| 2904 | /* scale predictors if needed*/ |
| 2905 | if (q2 && q1 != q2) { |
| 2906 | q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1; |
| 2907 | q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1; |
| 2908 | |
| 2909 | if (q1 < 1) |
| 2910 | return AVERROR_INVALIDDATA; |
| 2911 | if (dc_pred_dir) { // left |
| 2912 | for (k = 1; k < 8; k++) |
| 2913 | block[k << v->left_blk_sh] += (ac_val[k] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18; |
| 2914 | } else { // top |
| 2915 | for (k = 1; k < 8; k++) |
| 2916 | block[k << v->top_blk_sh] += (ac_val[k + 8] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18; |
| 2917 | } |
| 2918 | } else { |
| 2919 | if (dc_pred_dir) { //left |
| 2920 | for (k = 1; k < 8; k++) |
| 2921 | block[k << v->left_blk_sh] += ac_val[k]; |
| 2922 | } else { //top |
| 2923 | for (k = 1; k < 8; k++) |
| 2924 | block[k << v->top_blk_sh] += ac_val[k + 8]; |
| 2925 | } |
| 2926 | } |
| 2927 | } |
| 2928 | /* save AC coeffs for further prediction */ |
| 2929 | for (k = 1; k < 8; k++) { |
| 2930 | ac_val2[k ] = block[k << v->left_blk_sh]; |
| 2931 | ac_val2[k + 8] = block[k << v->top_blk_sh]; |
| 2932 | } |
| 2933 | |
| 2934 | /* scale AC coeffs */ |
| 2935 | for (k = 1; k < 64; k++) |
| 2936 | if (block[k]) { |
| 2937 | block[k] *= scale; |
| 2938 | if (!v->pquantizer) |
| 2939 | block[k] += (block[k] < 0) ? -mquant : mquant; |
| 2940 | } |
| 2941 | |
| 2942 | if (use_pred) i = 63; |
| 2943 | } else { // no AC coeffs |
| 2944 | int k; |
| 2945 | |
| 2946 | memset(ac_val2, 0, 16 * 2); |
| 2947 | if (dc_pred_dir) { // left |
| 2948 | if (use_pred) { |
| 2949 | memcpy(ac_val2, ac_val, 8 * 2); |
| 2950 | if (q2 && q1 != q2) { |
| 2951 | q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1; |
| 2952 | q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1; |
| 2953 | if (q1 < 1) |
| 2954 | return AVERROR_INVALIDDATA; |
| 2955 | for (k = 1; k < 8; k++) |
| 2956 | ac_val2[k] = (ac_val2[k] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18; |
| 2957 | } |
| 2958 | } |
| 2959 | } else { // top |
| 2960 | if (use_pred) { |
| 2961 | memcpy(ac_val2 + 8, ac_val + 8, 8 * 2); |
| 2962 | if (q2 && q1 != q2) { |
| 2963 | q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1; |
| 2964 | q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1; |
| 2965 | if (q1 < 1) |
| 2966 | return AVERROR_INVALIDDATA; |
| 2967 | for (k = 1; k < 8; k++) |
| 2968 | ac_val2[k + 8] = (ac_val2[k + 8] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18; |
| 2969 | } |
| 2970 | } |
| 2971 | } |
| 2972 | |
| 2973 | /* apply AC prediction if needed */ |
| 2974 | if (use_pred) { |
| 2975 | if (dc_pred_dir) { // left |
| 2976 | for (k = 1; k < 8; k++) { |
| 2977 | block[k << v->left_blk_sh] = ac_val2[k] * scale; |
| 2978 | if (!v->pquantizer && block[k << v->left_blk_sh]) |
| 2979 | block[k << v->left_blk_sh] += (block[k << v->left_blk_sh] < 0) ? -mquant : mquant; |
| 2980 | } |
| 2981 | } else { // top |
| 2982 | for (k = 1; k < 8; k++) { |
| 2983 | block[k << v->top_blk_sh] = ac_val2[k + 8] * scale; |
| 2984 | if (!v->pquantizer && block[k << v->top_blk_sh]) |
| 2985 | block[k << v->top_blk_sh] += (block[k << v->top_blk_sh] < 0) ? -mquant : mquant; |
| 2986 | } |
| 2987 | } |
| 2988 | i = 63; |
| 2989 | } |
| 2990 | } |
| 2991 | s->block_last_index[n] = i; |
| 2992 | |
| 2993 | return 0; |
| 2994 | } |
| 2995 | |
| 2996 | /** Decode intra block in inter frames - more generic version than vc1_decode_i_block |
| 2997 | * @param v VC1Context |
| 2998 | * @param block block to decode |
| 2999 | * @param[in] n subblock index |
| 3000 | * @param coded are AC coeffs present or not |
| 3001 | * @param mquant block quantizer |
| 3002 | * @param codingset set of VLC to decode data |
| 3003 | */ |
| 3004 | static int vc1_decode_intra_block(VC1Context *v, int16_t block[64], int n, |
| 3005 | int coded, int mquant, int codingset) |
| 3006 | { |
| 3007 | GetBitContext *gb = &v->s.gb; |
| 3008 | MpegEncContext *s = &v->s; |
| 3009 | int dc_pred_dir = 0; /* Direction of the DC prediction used */ |
| 3010 | int i; |
| 3011 | int16_t *dc_val = NULL; |
| 3012 | int16_t *ac_val, *ac_val2; |
| 3013 | int dcdiff; |
| 3014 | int mb_pos = s->mb_x + s->mb_y * s->mb_stride; |
| 3015 | int a_avail = v->a_avail, c_avail = v->c_avail; |
| 3016 | int use_pred = s->ac_pred; |
| 3017 | int scale; |
| 3018 | int q1, q2 = 0; |
| 3019 | |
| 3020 | s->bdsp.clear_block(block); |
| 3021 | |
| 3022 | /* XXX: Guard against dumb values of mquant */ |
| 3023 | mquant = (mquant < 1) ? 0 : ((mquant > 31) ? 31 : mquant); |
| 3024 | |
| 3025 | /* Set DC scale - y and c use the same */ |
| 3026 | s->y_dc_scale = s->y_dc_scale_table[mquant]; |
| 3027 | s->c_dc_scale = s->c_dc_scale_table[mquant]; |
| 3028 | |
| 3029 | /* Get DC differential */ |
| 3030 | if (n < 4) { |
| 3031 | dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_luma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3); |
| 3032 | } else { |
| 3033 | dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_chroma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3); |
| 3034 | } |
| 3035 | if (dcdiff < 0) { |
| 3036 | av_log(s->avctx, AV_LOG_ERROR, "Illegal DC VLC\n"); |
| 3037 | return -1; |
| 3038 | } |
| 3039 | if (dcdiff) { |
| 3040 | if (dcdiff == 119 /* ESC index value */) { |
| 3041 | /* TODO: Optimize */ |
| 3042 | if (mquant == 1) dcdiff = get_bits(gb, 10); |
| 3043 | else if (mquant == 2) dcdiff = get_bits(gb, 9); |
| 3044 | else dcdiff = get_bits(gb, 8); |
| 3045 | } else { |
| 3046 | if (mquant == 1) |
| 3047 | dcdiff = (dcdiff << 2) + get_bits(gb, 2) - 3; |
| 3048 | else if (mquant == 2) |
| 3049 | dcdiff = (dcdiff << 1) + get_bits1(gb) - 1; |
| 3050 | } |
| 3051 | if (get_bits1(gb)) |
| 3052 | dcdiff = -dcdiff; |
| 3053 | } |
| 3054 | |
| 3055 | /* Prediction */ |
| 3056 | dcdiff += vc1_pred_dc(&v->s, v->overlap, mquant, n, a_avail, c_avail, &dc_val, &dc_pred_dir); |
| 3057 | *dc_val = dcdiff; |
| 3058 | |
| 3059 | /* Store the quantized DC coeff, used for prediction */ |
| 3060 | |
| 3061 | if (n < 4) { |
| 3062 | block[0] = dcdiff * s->y_dc_scale; |
| 3063 | } else { |
| 3064 | block[0] = dcdiff * s->c_dc_scale; |
| 3065 | } |
| 3066 | |
| 3067 | //AC Decoding |
| 3068 | i = 1; |
| 3069 | |
| 3070 | /* check if AC is needed at all and adjust direction if needed */ |
| 3071 | if (!a_avail) dc_pred_dir = 1; |
| 3072 | if (!c_avail) dc_pred_dir = 0; |
| 3073 | if (!a_avail && !c_avail) use_pred = 0; |
| 3074 | ac_val = s->ac_val[0][0] + s->block_index[n] * 16; |
| 3075 | ac_val2 = ac_val; |
| 3076 | |
| 3077 | scale = mquant * 2 + v->halfpq; |
| 3078 | |
| 3079 | if (dc_pred_dir) //left |
| 3080 | ac_val -= 16; |
| 3081 | else //top |
| 3082 | ac_val -= 16 * s->block_wrap[n]; |
| 3083 | |
| 3084 | q1 = s->current_picture.qscale_table[mb_pos]; |
| 3085 | if (dc_pred_dir && c_avail && mb_pos) |
| 3086 | q2 = s->current_picture.qscale_table[mb_pos - 1]; |
| 3087 | if (!dc_pred_dir && a_avail && mb_pos >= s->mb_stride) |
| 3088 | q2 = s->current_picture.qscale_table[mb_pos - s->mb_stride]; |
| 3089 | if ( dc_pred_dir && n == 1) |
| 3090 | q2 = q1; |
| 3091 | if (!dc_pred_dir && n == 2) |
| 3092 | q2 = q1; |
| 3093 | if (n == 3) q2 = q1; |
| 3094 | |
| 3095 | if (coded) { |
| 3096 | int last = 0, skip, value; |
| 3097 | int k; |
| 3098 | |
| 3099 | while (!last) { |
| 3100 | vc1_decode_ac_coeff(v, &last, &skip, &value, codingset); |
| 3101 | i += skip; |
| 3102 | if (i > 63) |
| 3103 | break; |
| 3104 | if (v->fcm == PROGRESSIVE) |
| 3105 | block[v->zz_8x8[0][i++]] = value; |
| 3106 | else { |
| 3107 | if (use_pred && (v->fcm == ILACE_FRAME)) { |
| 3108 | if (!dc_pred_dir) // top |
| 3109 | block[v->zz_8x8[2][i++]] = value; |
| 3110 | else // left |
| 3111 | block[v->zz_8x8[3][i++]] = value; |
| 3112 | } else { |
| 3113 | block[v->zzi_8x8[i++]] = value; |
| 3114 | } |
| 3115 | } |
| 3116 | } |
| 3117 | |
| 3118 | /* apply AC prediction if needed */ |
| 3119 | if (use_pred) { |
| 3120 | /* scale predictors if needed*/ |
| 3121 | if (q2 && q1 != q2) { |
| 3122 | q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1; |
| 3123 | q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1; |
| 3124 | |
| 3125 | if (q1 < 1) |
| 3126 | return AVERROR_INVALIDDATA; |
| 3127 | if (dc_pred_dir) { // left |
| 3128 | for (k = 1; k < 8; k++) |
| 3129 | block[k << v->left_blk_sh] += (ac_val[k] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18; |
| 3130 | } else { //top |
| 3131 | for (k = 1; k < 8; k++) |
| 3132 | block[k << v->top_blk_sh] += (ac_val[k + 8] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18; |
| 3133 | } |
| 3134 | } else { |
| 3135 | if (dc_pred_dir) { // left |
| 3136 | for (k = 1; k < 8; k++) |
| 3137 | block[k << v->left_blk_sh] += ac_val[k]; |
| 3138 | } else { // top |
| 3139 | for (k = 1; k < 8; k++) |
| 3140 | block[k << v->top_blk_sh] += ac_val[k + 8]; |
| 3141 | } |
| 3142 | } |
| 3143 | } |
| 3144 | /* save AC coeffs for further prediction */ |
| 3145 | for (k = 1; k < 8; k++) { |
| 3146 | ac_val2[k ] = block[k << v->left_blk_sh]; |
| 3147 | ac_val2[k + 8] = block[k << v->top_blk_sh]; |
| 3148 | } |
| 3149 | |
| 3150 | /* scale AC coeffs */ |
| 3151 | for (k = 1; k < 64; k++) |
| 3152 | if (block[k]) { |
| 3153 | block[k] *= scale; |
| 3154 | if (!v->pquantizer) |
| 3155 | block[k] += (block[k] < 0) ? -mquant : mquant; |
| 3156 | } |
| 3157 | |
| 3158 | if (use_pred) i = 63; |
| 3159 | } else { // no AC coeffs |
| 3160 | int k; |
| 3161 | |
| 3162 | memset(ac_val2, 0, 16 * 2); |
| 3163 | if (dc_pred_dir) { // left |
| 3164 | if (use_pred) { |
| 3165 | memcpy(ac_val2, ac_val, 8 * 2); |
| 3166 | if (q2 && q1 != q2) { |
| 3167 | q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1; |
| 3168 | q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1; |
| 3169 | if (q1 < 1) |
| 3170 | return AVERROR_INVALIDDATA; |
| 3171 | for (k = 1; k < 8; k++) |
| 3172 | ac_val2[k] = (ac_val2[k] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18; |
| 3173 | } |
| 3174 | } |
| 3175 | } else { // top |
| 3176 | if (use_pred) { |
| 3177 | memcpy(ac_val2 + 8, ac_val + 8, 8 * 2); |
| 3178 | if (q2 && q1 != q2) { |
| 3179 | q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1; |
| 3180 | q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1; |
| 3181 | if (q1 < 1) |
| 3182 | return AVERROR_INVALIDDATA; |
| 3183 | for (k = 1; k < 8; k++) |
| 3184 | ac_val2[k + 8] = (ac_val2[k + 8] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18; |
| 3185 | } |
| 3186 | } |
| 3187 | } |
| 3188 | |
| 3189 | /* apply AC prediction if needed */ |
| 3190 | if (use_pred) { |
| 3191 | if (dc_pred_dir) { // left |
| 3192 | for (k = 1; k < 8; k++) { |
| 3193 | block[k << v->left_blk_sh] = ac_val2[k] * scale; |
| 3194 | if (!v->pquantizer && block[k << v->left_blk_sh]) |
| 3195 | block[k << v->left_blk_sh] += (block[k << v->left_blk_sh] < 0) ? -mquant : mquant; |
| 3196 | } |
| 3197 | } else { // top |
| 3198 | for (k = 1; k < 8; k++) { |
| 3199 | block[k << v->top_blk_sh] = ac_val2[k + 8] * scale; |
| 3200 | if (!v->pquantizer && block[k << v->top_blk_sh]) |
| 3201 | block[k << v->top_blk_sh] += (block[k << v->top_blk_sh] < 0) ? -mquant : mquant; |
| 3202 | } |
| 3203 | } |
| 3204 | i = 63; |
| 3205 | } |
| 3206 | } |
| 3207 | s->block_last_index[n] = i; |
| 3208 | |
| 3209 | return 0; |
| 3210 | } |
| 3211 | |
| 3212 | /** Decode P block |
| 3213 | */ |
| 3214 | static int vc1_decode_p_block(VC1Context *v, int16_t block[64], int n, |
| 3215 | int mquant, int ttmb, int first_block, |
| 3216 | uint8_t *dst, int linesize, int skip_block, |
| 3217 | int *ttmb_out) |
| 3218 | { |
| 3219 | MpegEncContext *s = &v->s; |
| 3220 | GetBitContext *gb = &s->gb; |
| 3221 | int i, j; |
| 3222 | int subblkpat = 0; |
| 3223 | int scale, off, idx, last, skip, value; |
| 3224 | int ttblk = ttmb & 7; |
| 3225 | int pat = 0; |
| 3226 | |
| 3227 | s->bdsp.clear_block(block); |
| 3228 | |
| 3229 | if (ttmb == -1) { |
| 3230 | ttblk = ff_vc1_ttblk_to_tt[v->tt_index][get_vlc2(gb, ff_vc1_ttblk_vlc[v->tt_index].table, VC1_TTBLK_VLC_BITS, 1)]; |
| 3231 | } |
| 3232 | if (ttblk == TT_4X4) { |
| 3233 | subblkpat = ~(get_vlc2(gb, ff_vc1_subblkpat_vlc[v->tt_index].table, VC1_SUBBLKPAT_VLC_BITS, 1) + 1); |
| 3234 | } |
| 3235 | if ((ttblk != TT_8X8 && ttblk != TT_4X4) |
| 3236 | && ((v->ttmbf || (ttmb != -1 && (ttmb & 8) && !first_block)) |
| 3237 | || (!v->res_rtm_flag && !first_block))) { |
| 3238 | subblkpat = decode012(gb); |
| 3239 | if (subblkpat) |
| 3240 | subblkpat ^= 3; // swap decoded pattern bits |
| 3241 | if (ttblk == TT_8X4_TOP || ttblk == TT_8X4_BOTTOM) |
| 3242 | ttblk = TT_8X4; |
| 3243 | if (ttblk == TT_4X8_RIGHT || ttblk == TT_4X8_LEFT) |
| 3244 | ttblk = TT_4X8; |
| 3245 | } |
| 3246 | scale = 2 * mquant + ((v->pq == mquant) ? v->halfpq : 0); |
| 3247 | |
| 3248 | // convert transforms like 8X4_TOP to generic TT and SUBBLKPAT |
| 3249 | if (ttblk == TT_8X4_TOP || ttblk == TT_8X4_BOTTOM) { |
| 3250 | subblkpat = 2 - (ttblk == TT_8X4_TOP); |
| 3251 | ttblk = TT_8X4; |
| 3252 | } |
| 3253 | if (ttblk == TT_4X8_RIGHT || ttblk == TT_4X8_LEFT) { |
| 3254 | subblkpat = 2 - (ttblk == TT_4X8_LEFT); |
| 3255 | ttblk = TT_4X8; |
| 3256 | } |
| 3257 | switch (ttblk) { |
| 3258 | case TT_8X8: |
| 3259 | pat = 0xF; |
| 3260 | i = 0; |
| 3261 | last = 0; |
| 3262 | while (!last) { |
| 3263 | vc1_decode_ac_coeff(v, &last, &skip, &value, v->codingset2); |
| 3264 | i += skip; |
| 3265 | if (i > 63) |
| 3266 | break; |
| 3267 | if (!v->fcm) |
| 3268 | idx = v->zz_8x8[0][i++]; |
| 3269 | else |
| 3270 | idx = v->zzi_8x8[i++]; |
| 3271 | block[idx] = value * scale; |
| 3272 | if (!v->pquantizer) |
| 3273 | block[idx] += (block[idx] < 0) ? -mquant : mquant; |
| 3274 | } |
| 3275 | if (!skip_block) { |
| 3276 | if (i == 1) |
| 3277 | v->vc1dsp.vc1_inv_trans_8x8_dc(dst, linesize, block); |
| 3278 | else { |
| 3279 | v->vc1dsp.vc1_inv_trans_8x8(block); |
| 3280 | s->idsp.add_pixels_clamped(block, dst, linesize); |
| 3281 | } |
| 3282 | } |
| 3283 | break; |
| 3284 | case TT_4X4: |
| 3285 | pat = ~subblkpat & 0xF; |
| 3286 | for (j = 0; j < 4; j++) { |
| 3287 | last = subblkpat & (1 << (3 - j)); |
| 3288 | i = 0; |
| 3289 | off = (j & 1) * 4 + (j & 2) * 16; |
| 3290 | while (!last) { |
| 3291 | vc1_decode_ac_coeff(v, &last, &skip, &value, v->codingset2); |
| 3292 | i += skip; |
| 3293 | if (i > 15) |
| 3294 | break; |
| 3295 | if (!v->fcm) |
| 3296 | idx = ff_vc1_simple_progressive_4x4_zz[i++]; |
| 3297 | else |
| 3298 | idx = ff_vc1_adv_interlaced_4x4_zz[i++]; |
| 3299 | block[idx + off] = value * scale; |
| 3300 | if (!v->pquantizer) |
| 3301 | block[idx + off] += (block[idx + off] < 0) ? -mquant : mquant; |
| 3302 | } |
| 3303 | if (!(subblkpat & (1 << (3 - j))) && !skip_block) { |
| 3304 | if (i == 1) |
| 3305 | v->vc1dsp.vc1_inv_trans_4x4_dc(dst + (j & 1) * 4 + (j & 2) * 2 * linesize, linesize, block + off); |
| 3306 | else |
| 3307 | v->vc1dsp.vc1_inv_trans_4x4(dst + (j & 1) * 4 + (j & 2) * 2 * linesize, linesize, block + off); |
| 3308 | } |
| 3309 | } |
| 3310 | break; |
| 3311 | case TT_8X4: |
| 3312 | pat = ~((subblkpat & 2) * 6 + (subblkpat & 1) * 3) & 0xF; |
| 3313 | for (j = 0; j < 2; j++) { |
| 3314 | last = subblkpat & (1 << (1 - j)); |
| 3315 | i = 0; |
| 3316 | off = j * 32; |
| 3317 | while (!last) { |
| 3318 | vc1_decode_ac_coeff(v, &last, &skip, &value, v->codingset2); |
| 3319 | i += skip; |
| 3320 | if (i > 31) |
| 3321 | break; |
| 3322 | if (!v->fcm) |
| 3323 | idx = v->zz_8x4[i++] + off; |
| 3324 | else |
| 3325 | idx = ff_vc1_adv_interlaced_8x4_zz[i++] + off; |
| 3326 | block[idx] = value * scale; |
| 3327 | if (!v->pquantizer) |
| 3328 | block[idx] += (block[idx] < 0) ? -mquant : mquant; |
| 3329 | } |
| 3330 | if (!(subblkpat & (1 << (1 - j))) && !skip_block) { |
| 3331 | if (i == 1) |
| 3332 | v->vc1dsp.vc1_inv_trans_8x4_dc(dst + j * 4 * linesize, linesize, block + off); |
| 3333 | else |
| 3334 | v->vc1dsp.vc1_inv_trans_8x4(dst + j * 4 * linesize, linesize, block + off); |
| 3335 | } |
| 3336 | } |
| 3337 | break; |
| 3338 | case TT_4X8: |
| 3339 | pat = ~(subblkpat * 5) & 0xF; |
| 3340 | for (j = 0; j < 2; j++) { |
| 3341 | last = subblkpat & (1 << (1 - j)); |
| 3342 | i = 0; |
| 3343 | off = j * 4; |
| 3344 | while (!last) { |
| 3345 | vc1_decode_ac_coeff(v, &last, &skip, &value, v->codingset2); |
| 3346 | i += skip; |
| 3347 | if (i > 31) |
| 3348 | break; |
| 3349 | if (!v->fcm) |
| 3350 | idx = v->zz_4x8[i++] + off; |
| 3351 | else |
| 3352 | idx = ff_vc1_adv_interlaced_4x8_zz[i++] + off; |
| 3353 | block[idx] = value * scale; |
| 3354 | if (!v->pquantizer) |
| 3355 | block[idx] += (block[idx] < 0) ? -mquant : mquant; |
| 3356 | } |
| 3357 | if (!(subblkpat & (1 << (1 - j))) && !skip_block) { |
| 3358 | if (i == 1) |
| 3359 | v->vc1dsp.vc1_inv_trans_4x8_dc(dst + j * 4, linesize, block + off); |
| 3360 | else |
| 3361 | v->vc1dsp.vc1_inv_trans_4x8(dst + j*4, linesize, block + off); |
| 3362 | } |
| 3363 | } |
| 3364 | break; |
| 3365 | } |
| 3366 | if (ttmb_out) |
| 3367 | *ttmb_out |= ttblk << (n * 4); |
| 3368 | return pat; |
| 3369 | } |
| 3370 | |
| 3371 | /** @} */ // Macroblock group |
| 3372 | |
| 3373 | static const int size_table [6] = { 0, 2, 3, 4, 5, 8 }; |
| 3374 | static const int offset_table[6] = { 0, 1, 3, 7, 15, 31 }; |
| 3375 | |
| 3376 | static av_always_inline void vc1_apply_p_v_loop_filter(VC1Context *v, int block_num) |
| 3377 | { |
| 3378 | MpegEncContext *s = &v->s; |
| 3379 | int mb_cbp = v->cbp[s->mb_x - s->mb_stride], |
| 3380 | block_cbp = mb_cbp >> (block_num * 4), bottom_cbp, |
| 3381 | mb_is_intra = v->is_intra[s->mb_x - s->mb_stride], |
| 3382 | block_is_intra = mb_is_intra >> (block_num * 4), bottom_is_intra; |
| 3383 | int idx, linesize = block_num > 3 ? s->uvlinesize : s->linesize, ttblk; |
| 3384 | uint8_t *dst; |
| 3385 | |
| 3386 | if (block_num > 3) { |
| 3387 | dst = s->dest[block_num - 3]; |
| 3388 | } else { |
| 3389 | dst = s->dest[0] + (block_num & 1) * 8 + ((block_num & 2) * 4 - 8) * linesize; |
| 3390 | } |
| 3391 | if (s->mb_y != s->end_mb_y || block_num < 2) { |
| 3392 | int16_t (*mv)[2]; |
| 3393 | int mv_stride; |
| 3394 | |
| 3395 | if (block_num > 3) { |
| 3396 | bottom_cbp = v->cbp[s->mb_x] >> (block_num * 4); |
| 3397 | bottom_is_intra = v->is_intra[s->mb_x] >> (block_num * 4); |
| 3398 | mv = &v->luma_mv[s->mb_x - s->mb_stride]; |
| 3399 | mv_stride = s->mb_stride; |
| 3400 | } else { |
| 3401 | bottom_cbp = (block_num < 2) ? (mb_cbp >> ((block_num + 2) * 4)) |
| 3402 | : (v->cbp[s->mb_x] >> ((block_num - 2) * 4)); |
| 3403 | bottom_is_intra = (block_num < 2) ? (mb_is_intra >> ((block_num + 2) * 4)) |
| 3404 | : (v->is_intra[s->mb_x] >> ((block_num - 2) * 4)); |
| 3405 | mv_stride = s->b8_stride; |
| 3406 | mv = &s->current_picture.motion_val[0][s->block_index[block_num] - 2 * mv_stride]; |
| 3407 | } |
| 3408 | |
| 3409 | if (bottom_is_intra & 1 || block_is_intra & 1 || |
| 3410 | mv[0][0] != mv[mv_stride][0] || mv[0][1] != mv[mv_stride][1]) { |
| 3411 | v->vc1dsp.vc1_v_loop_filter8(dst, linesize, v->pq); |
| 3412 | } else { |
| 3413 | idx = ((bottom_cbp >> 2) | block_cbp) & 3; |
| 3414 | if (idx == 3) { |
| 3415 | v->vc1dsp.vc1_v_loop_filter8(dst, linesize, v->pq); |
| 3416 | } else if (idx) { |
| 3417 | if (idx == 1) |
| 3418 | v->vc1dsp.vc1_v_loop_filter4(dst + 4, linesize, v->pq); |
| 3419 | else |
| 3420 | v->vc1dsp.vc1_v_loop_filter4(dst, linesize, v->pq); |
| 3421 | } |
| 3422 | } |
| 3423 | } |
| 3424 | |
| 3425 | dst -= 4 * linesize; |
| 3426 | ttblk = (v->ttblk[s->mb_x - s->mb_stride] >> (block_num * 4)) & 0xF; |
| 3427 | if (ttblk == TT_4X4 || ttblk == TT_8X4) { |
| 3428 | idx = (block_cbp | (block_cbp >> 2)) & 3; |
| 3429 | if (idx == 3) { |
| 3430 | v->vc1dsp.vc1_v_loop_filter8(dst, linesize, v->pq); |
| 3431 | } else if (idx) { |
| 3432 | if (idx == 1) |
| 3433 | v->vc1dsp.vc1_v_loop_filter4(dst + 4, linesize, v->pq); |
| 3434 | else |
| 3435 | v->vc1dsp.vc1_v_loop_filter4(dst, linesize, v->pq); |
| 3436 | } |
| 3437 | } |
| 3438 | } |
| 3439 | |
| 3440 | static av_always_inline void vc1_apply_p_h_loop_filter(VC1Context *v, int block_num) |
| 3441 | { |
| 3442 | MpegEncContext *s = &v->s; |
| 3443 | int mb_cbp = v->cbp[s->mb_x - 1 - s->mb_stride], |
| 3444 | block_cbp = mb_cbp >> (block_num * 4), right_cbp, |
| 3445 | mb_is_intra = v->is_intra[s->mb_x - 1 - s->mb_stride], |
| 3446 | block_is_intra = mb_is_intra >> (block_num * 4), right_is_intra; |
| 3447 | int idx, linesize = block_num > 3 ? s->uvlinesize : s->linesize, ttblk; |
| 3448 | uint8_t *dst; |
| 3449 | |
| 3450 | if (block_num > 3) { |
| 3451 | dst = s->dest[block_num - 3] - 8 * linesize; |
| 3452 | } else { |
| 3453 | dst = s->dest[0] + (block_num & 1) * 8 + ((block_num & 2) * 4 - 16) * linesize - 8; |
| 3454 | } |
| 3455 | |
| 3456 | if (s->mb_x != s->mb_width || !(block_num & 5)) { |
| 3457 | int16_t (*mv)[2]; |
| 3458 | |
| 3459 | if (block_num > 3) { |
| 3460 | right_cbp = v->cbp[s->mb_x - s->mb_stride] >> (block_num * 4); |
| 3461 | right_is_intra = v->is_intra[s->mb_x - s->mb_stride] >> (block_num * 4); |
| 3462 | mv = &v->luma_mv[s->mb_x - s->mb_stride - 1]; |
| 3463 | } else { |
| 3464 | right_cbp = (block_num & 1) ? (v->cbp[s->mb_x - s->mb_stride] >> ((block_num - 1) * 4)) |
| 3465 | : (mb_cbp >> ((block_num + 1) * 4)); |
| 3466 | right_is_intra = (block_num & 1) ? (v->is_intra[s->mb_x - s->mb_stride] >> ((block_num - 1) * 4)) |
| 3467 | : (mb_is_intra >> ((block_num + 1) * 4)); |
| 3468 | mv = &s->current_picture.motion_val[0][s->block_index[block_num] - s->b8_stride * 2 - 2]; |
| 3469 | } |
| 3470 | if (block_is_intra & 1 || right_is_intra & 1 || mv[0][0] != mv[1][0] || mv[0][1] != mv[1][1]) { |
| 3471 | v->vc1dsp.vc1_h_loop_filter8(dst, linesize, v->pq); |
| 3472 | } else { |
| 3473 | idx = ((right_cbp >> 1) | block_cbp) & 5; // FIXME check |
| 3474 | if (idx == 5) { |
| 3475 | v->vc1dsp.vc1_h_loop_filter8(dst, linesize, v->pq); |
| 3476 | } else if (idx) { |
| 3477 | if (idx == 1) |
| 3478 | v->vc1dsp.vc1_h_loop_filter4(dst + 4 * linesize, linesize, v->pq); |
| 3479 | else |
| 3480 | v->vc1dsp.vc1_h_loop_filter4(dst, linesize, v->pq); |
| 3481 | } |
| 3482 | } |
| 3483 | } |
| 3484 | |
| 3485 | dst -= 4; |
| 3486 | ttblk = (v->ttblk[s->mb_x - s->mb_stride - 1] >> (block_num * 4)) & 0xf; |
| 3487 | if (ttblk == TT_4X4 || ttblk == TT_4X8) { |
| 3488 | idx = (block_cbp | (block_cbp >> 1)) & 5; |
| 3489 | if (idx == 5) { |
| 3490 | v->vc1dsp.vc1_h_loop_filter8(dst, linesize, v->pq); |
| 3491 | } else if (idx) { |
| 3492 | if (idx == 1) |
| 3493 | v->vc1dsp.vc1_h_loop_filter4(dst + linesize * 4, linesize, v->pq); |
| 3494 | else |
| 3495 | v->vc1dsp.vc1_h_loop_filter4(dst, linesize, v->pq); |
| 3496 | } |
| 3497 | } |
| 3498 | } |
| 3499 | |
| 3500 | static void vc1_apply_p_loop_filter(VC1Context *v) |
| 3501 | { |
| 3502 | MpegEncContext *s = &v->s; |
| 3503 | int i; |
| 3504 | |
| 3505 | for (i = 0; i < 6; i++) { |
| 3506 | vc1_apply_p_v_loop_filter(v, i); |
| 3507 | } |
| 3508 | |
| 3509 | /* V always precedes H, therefore we run H one MB before V; |
| 3510 | * at the end of a row, we catch up to complete the row */ |
| 3511 | if (s->mb_x) { |
| 3512 | for (i = 0; i < 6; i++) { |
| 3513 | vc1_apply_p_h_loop_filter(v, i); |
| 3514 | } |
| 3515 | if (s->mb_x == s->mb_width - 1) { |
| 3516 | s->mb_x++; |
| 3517 | ff_update_block_index(s); |
| 3518 | for (i = 0; i < 6; i++) { |
| 3519 | vc1_apply_p_h_loop_filter(v, i); |
| 3520 | } |
| 3521 | } |
| 3522 | } |
| 3523 | } |
| 3524 | |
| 3525 | /** Decode one P-frame MB |
| 3526 | */ |
| 3527 | static int vc1_decode_p_mb(VC1Context *v) |
| 3528 | { |
| 3529 | MpegEncContext *s = &v->s; |
| 3530 | GetBitContext *gb = &s->gb; |
| 3531 | int i, j; |
| 3532 | int mb_pos = s->mb_x + s->mb_y * s->mb_stride; |
| 3533 | int cbp; /* cbp decoding stuff */ |
| 3534 | int mqdiff, mquant; /* MB quantization */ |
| 3535 | int ttmb = v->ttfrm; /* MB Transform type */ |
| 3536 | |
| 3537 | int mb_has_coeffs = 1; /* last_flag */ |
| 3538 | int dmv_x, dmv_y; /* Differential MV components */ |
| 3539 | int index, index1; /* LUT indexes */ |
| 3540 | int val, sign; /* temp values */ |
| 3541 | int first_block = 1; |
| 3542 | int dst_idx, off; |
| 3543 | int skipped, fourmv; |
| 3544 | int block_cbp = 0, pat, block_tt = 0, block_intra = 0; |
| 3545 | |
| 3546 | mquant = v->pq; /* lossy initialization */ |
| 3547 | |
| 3548 | if (v->mv_type_is_raw) |
| 3549 | fourmv = get_bits1(gb); |
| 3550 | else |
| 3551 | fourmv = v->mv_type_mb_plane[mb_pos]; |
| 3552 | if (v->skip_is_raw) |
| 3553 | skipped = get_bits1(gb); |
| 3554 | else |
| 3555 | skipped = v->s.mbskip_table[mb_pos]; |
| 3556 | |
| 3557 | if (!fourmv) { /* 1MV mode */ |
| 3558 | if (!skipped) { |
| 3559 | GET_MVDATA(dmv_x, dmv_y); |
| 3560 | |
| 3561 | if (s->mb_intra) { |
| 3562 | s->current_picture.motion_val[1][s->block_index[0]][0] = 0; |
| 3563 | s->current_picture.motion_val[1][s->block_index[0]][1] = 0; |
| 3564 | } |
| 3565 | s->current_picture.mb_type[mb_pos] = s->mb_intra ? MB_TYPE_INTRA : MB_TYPE_16x16; |
| 3566 | vc1_pred_mv(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], 0, 0); |
| 3567 | |
| 3568 | /* FIXME Set DC val for inter block ? */ |
| 3569 | if (s->mb_intra && !mb_has_coeffs) { |
| 3570 | GET_MQUANT(); |
| 3571 | s->ac_pred = get_bits1(gb); |
| 3572 | cbp = 0; |
| 3573 | } else if (mb_has_coeffs) { |
| 3574 | if (s->mb_intra) |
| 3575 | s->ac_pred = get_bits1(gb); |
| 3576 | cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); |
| 3577 | GET_MQUANT(); |
| 3578 | } else { |
| 3579 | mquant = v->pq; |
| 3580 | cbp = 0; |
| 3581 | } |
| 3582 | s->current_picture.qscale_table[mb_pos] = mquant; |
| 3583 | |
| 3584 | if (!v->ttmbf && !s->mb_intra && mb_has_coeffs) |
| 3585 | ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, |
| 3586 | VC1_TTMB_VLC_BITS, 2); |
| 3587 | if (!s->mb_intra) vc1_mc_1mv(v, 0); |
| 3588 | dst_idx = 0; |
| 3589 | for (i = 0; i < 6; i++) { |
| 3590 | s->dc_val[0][s->block_index[i]] = 0; |
| 3591 | dst_idx += i >> 2; |
| 3592 | val = ((cbp >> (5 - i)) & 1); |
| 3593 | off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize); |
| 3594 | v->mb_type[0][s->block_index[i]] = s->mb_intra; |
| 3595 | if (s->mb_intra) { |
| 3596 | /* check if prediction blocks A and C are available */ |
| 3597 | v->a_avail = v->c_avail = 0; |
| 3598 | if (i == 2 || i == 3 || !s->first_slice_line) |
| 3599 | v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]]; |
| 3600 | if (i == 1 || i == 3 || s->mb_x) |
| 3601 | v->c_avail = v->mb_type[0][s->block_index[i] - 1]; |
| 3602 | |
| 3603 | vc1_decode_intra_block(v, s->block[i], i, val, mquant, |
| 3604 | (i & 4) ? v->codingset2 : v->codingset); |
| 3605 | if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) |
| 3606 | continue; |
| 3607 | v->vc1dsp.vc1_inv_trans_8x8(s->block[i]); |
| 3608 | if (v->rangeredfrm) |
| 3609 | for (j = 0; j < 64; j++) |
| 3610 | s->block[i][j] <<= 1; |
| 3611 | s->idsp.put_signed_pixels_clamped(s->block[i], |
| 3612 | s->dest[dst_idx] + off, |
| 3613 | i & 4 ? s->uvlinesize |
| 3614 | : s->linesize); |
| 3615 | if (v->pq >= 9 && v->overlap) { |
| 3616 | if (v->c_avail) |
| 3617 | v->vc1dsp.vc1_h_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize); |
| 3618 | if (v->a_avail) |
| 3619 | v->vc1dsp.vc1_v_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize); |
| 3620 | } |
| 3621 | block_cbp |= 0xF << (i << 2); |
| 3622 | block_intra |= 1 << i; |
| 3623 | } else if (val) { |
| 3624 | pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, |
| 3625 | s->dest[dst_idx] + off, (i & 4) ? s->uvlinesize : s->linesize, |
| 3626 | (i & 4) && (s->flags & CODEC_FLAG_GRAY), &block_tt); |
| 3627 | block_cbp |= pat << (i << 2); |
| 3628 | if (!v->ttmbf && ttmb < 8) |
| 3629 | ttmb = -1; |
| 3630 | first_block = 0; |
| 3631 | } |
| 3632 | } |
| 3633 | } else { // skipped |
| 3634 | s->mb_intra = 0; |
| 3635 | for (i = 0; i < 6; i++) { |
| 3636 | v->mb_type[0][s->block_index[i]] = 0; |
| 3637 | s->dc_val[0][s->block_index[i]] = 0; |
| 3638 | } |
| 3639 | s->current_picture.mb_type[mb_pos] = MB_TYPE_SKIP; |
| 3640 | s->current_picture.qscale_table[mb_pos] = 0; |
| 3641 | vc1_pred_mv(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0], 0, 0); |
| 3642 | vc1_mc_1mv(v, 0); |
| 3643 | } |
| 3644 | } else { // 4MV mode |
| 3645 | if (!skipped /* unskipped MB */) { |
| 3646 | int intra_count = 0, coded_inter = 0; |
| 3647 | int is_intra[6], is_coded[6]; |
| 3648 | /* Get CBPCY */ |
| 3649 | cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); |
| 3650 | for (i = 0; i < 6; i++) { |
| 3651 | val = ((cbp >> (5 - i)) & 1); |
| 3652 | s->dc_val[0][s->block_index[i]] = 0; |
| 3653 | s->mb_intra = 0; |
| 3654 | if (i < 4) { |
| 3655 | dmv_x = dmv_y = 0; |
| 3656 | s->mb_intra = 0; |
| 3657 | mb_has_coeffs = 0; |
| 3658 | if (val) { |
| 3659 | GET_MVDATA(dmv_x, dmv_y); |
| 3660 | } |
| 3661 | vc1_pred_mv(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0], 0, 0); |
| 3662 | if (!s->mb_intra) |
| 3663 | vc1_mc_4mv_luma(v, i, 0, 0); |
| 3664 | intra_count += s->mb_intra; |
| 3665 | is_intra[i] = s->mb_intra; |
| 3666 | is_coded[i] = mb_has_coeffs; |
| 3667 | } |
| 3668 | if (i & 4) { |
| 3669 | is_intra[i] = (intra_count >= 3); |
| 3670 | is_coded[i] = val; |
| 3671 | } |
| 3672 | if (i == 4) |
| 3673 | vc1_mc_4mv_chroma(v, 0); |
| 3674 | v->mb_type[0][s->block_index[i]] = is_intra[i]; |
| 3675 | if (!coded_inter) |
| 3676 | coded_inter = !is_intra[i] & is_coded[i]; |
| 3677 | } |
| 3678 | // if there are no coded blocks then don't do anything more |
| 3679 | dst_idx = 0; |
| 3680 | if (!intra_count && !coded_inter) |
| 3681 | goto end; |
| 3682 | GET_MQUANT(); |
| 3683 | s->current_picture.qscale_table[mb_pos] = mquant; |
| 3684 | /* test if block is intra and has pred */ |
| 3685 | { |
| 3686 | int intrapred = 0; |
| 3687 | for (i = 0; i < 6; i++) |
| 3688 | if (is_intra[i]) { |
| 3689 | if (((!s->first_slice_line || (i == 2 || i == 3)) && v->mb_type[0][s->block_index[i] - s->block_wrap[i]]) |
| 3690 | || ((s->mb_x || (i == 1 || i == 3)) && v->mb_type[0][s->block_index[i] - 1])) { |
| 3691 | intrapred = 1; |
| 3692 | break; |
| 3693 | } |
| 3694 | } |
| 3695 | if (intrapred) |
| 3696 | s->ac_pred = get_bits1(gb); |
| 3697 | else |
| 3698 | s->ac_pred = 0; |
| 3699 | } |
| 3700 | if (!v->ttmbf && coded_inter) |
| 3701 | ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2); |
| 3702 | for (i = 0; i < 6; i++) { |
| 3703 | dst_idx += i >> 2; |
| 3704 | off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize); |
| 3705 | s->mb_intra = is_intra[i]; |
| 3706 | if (is_intra[i]) { |
| 3707 | /* check if prediction blocks A and C are available */ |
| 3708 | v->a_avail = v->c_avail = 0; |
| 3709 | if (i == 2 || i == 3 || !s->first_slice_line) |
| 3710 | v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]]; |
| 3711 | if (i == 1 || i == 3 || s->mb_x) |
| 3712 | v->c_avail = v->mb_type[0][s->block_index[i] - 1]; |
| 3713 | |
| 3714 | vc1_decode_intra_block(v, s->block[i], i, is_coded[i], mquant, |
| 3715 | (i & 4) ? v->codingset2 : v->codingset); |
| 3716 | if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) |
| 3717 | continue; |
| 3718 | v->vc1dsp.vc1_inv_trans_8x8(s->block[i]); |
| 3719 | if (v->rangeredfrm) |
| 3720 | for (j = 0; j < 64; j++) |
| 3721 | s->block[i][j] <<= 1; |
| 3722 | s->idsp.put_signed_pixels_clamped(s->block[i], |
| 3723 | s->dest[dst_idx] + off, |
| 3724 | (i & 4) ? s->uvlinesize |
| 3725 | : s->linesize); |
| 3726 | if (v->pq >= 9 && v->overlap) { |
| 3727 | if (v->c_avail) |
| 3728 | v->vc1dsp.vc1_h_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize); |
| 3729 | if (v->a_avail) |
| 3730 | v->vc1dsp.vc1_v_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize); |
| 3731 | } |
| 3732 | block_cbp |= 0xF << (i << 2); |
| 3733 | block_intra |= 1 << i; |
| 3734 | } else if (is_coded[i]) { |
| 3735 | pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, |
| 3736 | first_block, s->dest[dst_idx] + off, |
| 3737 | (i & 4) ? s->uvlinesize : s->linesize, |
| 3738 | (i & 4) && (s->flags & CODEC_FLAG_GRAY), |
| 3739 | &block_tt); |
| 3740 | block_cbp |= pat << (i << 2); |
| 3741 | if (!v->ttmbf && ttmb < 8) |
| 3742 | ttmb = -1; |
| 3743 | first_block = 0; |
| 3744 | } |
| 3745 | } |
| 3746 | } else { // skipped MB |
| 3747 | s->mb_intra = 0; |
| 3748 | s->current_picture.qscale_table[mb_pos] = 0; |
| 3749 | for (i = 0; i < 6; i++) { |
| 3750 | v->mb_type[0][s->block_index[i]] = 0; |
| 3751 | s->dc_val[0][s->block_index[i]] = 0; |
| 3752 | } |
| 3753 | for (i = 0; i < 4; i++) { |
| 3754 | vc1_pred_mv(v, i, 0, 0, 0, v->range_x, v->range_y, v->mb_type[0], 0, 0); |
| 3755 | vc1_mc_4mv_luma(v, i, 0, 0); |
| 3756 | } |
| 3757 | vc1_mc_4mv_chroma(v, 0); |
| 3758 | s->current_picture.qscale_table[mb_pos] = 0; |
| 3759 | } |
| 3760 | } |
| 3761 | end: |
| 3762 | v->cbp[s->mb_x] = block_cbp; |
| 3763 | v->ttblk[s->mb_x] = block_tt; |
| 3764 | v->is_intra[s->mb_x] = block_intra; |
| 3765 | |
| 3766 | return 0; |
| 3767 | } |
| 3768 | |
| 3769 | /* Decode one macroblock in an interlaced frame p picture */ |
| 3770 | |
| 3771 | static int vc1_decode_p_mb_intfr(VC1Context *v) |
| 3772 | { |
| 3773 | MpegEncContext *s = &v->s; |
| 3774 | GetBitContext *gb = &s->gb; |
| 3775 | int i; |
| 3776 | int mb_pos = s->mb_x + s->mb_y * s->mb_stride; |
| 3777 | int cbp = 0; /* cbp decoding stuff */ |
| 3778 | int mqdiff, mquant; /* MB quantization */ |
| 3779 | int ttmb = v->ttfrm; /* MB Transform type */ |
| 3780 | |
| 3781 | int mb_has_coeffs = 1; /* last_flag */ |
| 3782 | int dmv_x, dmv_y; /* Differential MV components */ |
| 3783 | int val; /* temp value */ |
| 3784 | int first_block = 1; |
| 3785 | int dst_idx, off; |
| 3786 | int skipped, fourmv = 0, twomv = 0; |
| 3787 | int block_cbp = 0, pat, block_tt = 0; |
| 3788 | int idx_mbmode = 0, mvbp; |
| 3789 | int stride_y, fieldtx; |
| 3790 | |
| 3791 | mquant = v->pq; /* Lossy initialization */ |
| 3792 | |
| 3793 | if (v->skip_is_raw) |
| 3794 | skipped = get_bits1(gb); |
| 3795 | else |
| 3796 | skipped = v->s.mbskip_table[mb_pos]; |
| 3797 | if (!skipped) { |
| 3798 | if (v->fourmvswitch) |
| 3799 | idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_INTFR_4MV_MBMODE_VLC_BITS, 2); // try getting this done |
| 3800 | else |
| 3801 | idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 2); // in a single line |
| 3802 | switch (ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][0]) { |
| 3803 | /* store the motion vector type in a flag (useful later) */ |
| 3804 | case MV_PMODE_INTFR_4MV: |
| 3805 | fourmv = 1; |
| 3806 | v->blk_mv_type[s->block_index[0]] = 0; |
| 3807 | v->blk_mv_type[s->block_index[1]] = 0; |
| 3808 | v->blk_mv_type[s->block_index[2]] = 0; |
| 3809 | v->blk_mv_type[s->block_index[3]] = 0; |
| 3810 | break; |
| 3811 | case MV_PMODE_INTFR_4MV_FIELD: |
| 3812 | fourmv = 1; |
| 3813 | v->blk_mv_type[s->block_index[0]] = 1; |
| 3814 | v->blk_mv_type[s->block_index[1]] = 1; |
| 3815 | v->blk_mv_type[s->block_index[2]] = 1; |
| 3816 | v->blk_mv_type[s->block_index[3]] = 1; |
| 3817 | break; |
| 3818 | case MV_PMODE_INTFR_2MV_FIELD: |
| 3819 | twomv = 1; |
| 3820 | v->blk_mv_type[s->block_index[0]] = 1; |
| 3821 | v->blk_mv_type[s->block_index[1]] = 1; |
| 3822 | v->blk_mv_type[s->block_index[2]] = 1; |
| 3823 | v->blk_mv_type[s->block_index[3]] = 1; |
| 3824 | break; |
| 3825 | case MV_PMODE_INTFR_1MV: |
| 3826 | v->blk_mv_type[s->block_index[0]] = 0; |
| 3827 | v->blk_mv_type[s->block_index[1]] = 0; |
| 3828 | v->blk_mv_type[s->block_index[2]] = 0; |
| 3829 | v->blk_mv_type[s->block_index[3]] = 0; |
| 3830 | break; |
| 3831 | } |
| 3832 | if (ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][0] == MV_PMODE_INTFR_INTRA) { // intra MB |
| 3833 | for (i = 0; i < 4; i++) { |
| 3834 | s->current_picture.motion_val[1][s->block_index[i]][0] = 0; |
| 3835 | s->current_picture.motion_val[1][s->block_index[i]][1] = 0; |
| 3836 | } |
| 3837 | s->current_picture.mb_type[mb_pos] = MB_TYPE_INTRA; |
| 3838 | s->mb_intra = v->is_intra[s->mb_x] = 1; |
| 3839 | for (i = 0; i < 6; i++) |
| 3840 | v->mb_type[0][s->block_index[i]] = 1; |
| 3841 | fieldtx = v->fieldtx_plane[mb_pos] = get_bits1(gb); |
| 3842 | mb_has_coeffs = get_bits1(gb); |
| 3843 | if (mb_has_coeffs) |
| 3844 | cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); |
| 3845 | v->s.ac_pred = v->acpred_plane[mb_pos] = get_bits1(gb); |
| 3846 | GET_MQUANT(); |
| 3847 | s->current_picture.qscale_table[mb_pos] = mquant; |
| 3848 | /* Set DC scale - y and c use the same (not sure if necessary here) */ |
| 3849 | s->y_dc_scale = s->y_dc_scale_table[mquant]; |
| 3850 | s->c_dc_scale = s->c_dc_scale_table[mquant]; |
| 3851 | dst_idx = 0; |
| 3852 | for (i = 0; i < 6; i++) { |
| 3853 | s->dc_val[0][s->block_index[i]] = 0; |
| 3854 | dst_idx += i >> 2; |
| 3855 | val = ((cbp >> (5 - i)) & 1); |
| 3856 | v->mb_type[0][s->block_index[i]] = s->mb_intra; |
| 3857 | v->a_avail = v->c_avail = 0; |
| 3858 | if (i == 2 || i == 3 || !s->first_slice_line) |
| 3859 | v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]]; |
| 3860 | if (i == 1 || i == 3 || s->mb_x) |
| 3861 | v->c_avail = v->mb_type[0][s->block_index[i] - 1]; |
| 3862 | |
| 3863 | vc1_decode_intra_block(v, s->block[i], i, val, mquant, |
| 3864 | (i & 4) ? v->codingset2 : v->codingset); |
| 3865 | if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue; |
| 3866 | v->vc1dsp.vc1_inv_trans_8x8(s->block[i]); |
| 3867 | if (i < 4) { |
| 3868 | stride_y = s->linesize << fieldtx; |
| 3869 | off = (fieldtx) ? ((i & 1) * 8) + ((i & 2) >> 1) * s->linesize : (i & 1) * 8 + 4 * (i & 2) * s->linesize; |
| 3870 | } else { |
| 3871 | stride_y = s->uvlinesize; |
| 3872 | off = 0; |
| 3873 | } |
| 3874 | s->idsp.put_signed_pixels_clamped(s->block[i], |
| 3875 | s->dest[dst_idx] + off, |
| 3876 | stride_y); |
| 3877 | //TODO: loop filter |
| 3878 | } |
| 3879 | |
| 3880 | } else { // inter MB |
| 3881 | mb_has_coeffs = ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][3]; |
| 3882 | if (mb_has_coeffs) |
| 3883 | cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); |
| 3884 | if (ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][0] == MV_PMODE_INTFR_2MV_FIELD) { |
| 3885 | v->twomvbp = get_vlc2(gb, v->twomvbp_vlc->table, VC1_2MV_BLOCK_PATTERN_VLC_BITS, 1); |
| 3886 | } else { |
| 3887 | if ((ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][0] == MV_PMODE_INTFR_4MV) |
| 3888 | || (ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][0] == MV_PMODE_INTFR_4MV_FIELD)) { |
| 3889 | v->fourmvbp = get_vlc2(gb, v->fourmvbp_vlc->table, VC1_4MV_BLOCK_PATTERN_VLC_BITS, 1); |
| 3890 | } |
| 3891 | } |
| 3892 | s->mb_intra = v->is_intra[s->mb_x] = 0; |
| 3893 | for (i = 0; i < 6; i++) |
| 3894 | v->mb_type[0][s->block_index[i]] = 0; |
| 3895 | fieldtx = v->fieldtx_plane[mb_pos] = ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][1]; |
| 3896 | /* for all motion vector read MVDATA and motion compensate each block */ |
| 3897 | dst_idx = 0; |
| 3898 | if (fourmv) { |
| 3899 | mvbp = v->fourmvbp; |
| 3900 | for (i = 0; i < 6; i++) { |
| 3901 | if (i < 4) { |
| 3902 | dmv_x = dmv_y = 0; |
| 3903 | val = ((mvbp >> (3 - i)) & 1); |
| 3904 | if (val) { |
| 3905 | get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); |
| 3906 | } |
| 3907 | vc1_pred_mv_intfr(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0], 0); |
| 3908 | vc1_mc_4mv_luma(v, i, 0, 0); |
| 3909 | } else if (i == 4) { |
| 3910 | vc1_mc_4mv_chroma4(v, 0, 0, 0); |
| 3911 | } |
| 3912 | } |
| 3913 | } else if (twomv) { |
| 3914 | mvbp = v->twomvbp; |
| 3915 | dmv_x = dmv_y = 0; |
| 3916 | if (mvbp & 2) { |
| 3917 | get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); |
| 3918 | } |
| 3919 | vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], 0); |
| 3920 | vc1_mc_4mv_luma(v, 0, 0, 0); |
| 3921 | vc1_mc_4mv_luma(v, 1, 0, 0); |
| 3922 | dmv_x = dmv_y = 0; |
| 3923 | if (mvbp & 1) { |
| 3924 | get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); |
| 3925 | } |
| 3926 | vc1_pred_mv_intfr(v, 2, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], 0); |
| 3927 | vc1_mc_4mv_luma(v, 2, 0, 0); |
| 3928 | vc1_mc_4mv_luma(v, 3, 0, 0); |
| 3929 | vc1_mc_4mv_chroma4(v, 0, 0, 0); |
| 3930 | } else { |
| 3931 | mvbp = ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][2]; |
| 3932 | dmv_x = dmv_y = 0; |
| 3933 | if (mvbp) { |
| 3934 | get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); |
| 3935 | } |
| 3936 | vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], 0); |
| 3937 | vc1_mc_1mv(v, 0); |
| 3938 | } |
| 3939 | if (cbp) |
| 3940 | GET_MQUANT(); // p. 227 |
| 3941 | s->current_picture.qscale_table[mb_pos] = mquant; |
| 3942 | if (!v->ttmbf && cbp) |
| 3943 | ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2); |
| 3944 | for (i = 0; i < 6; i++) { |
| 3945 | s->dc_val[0][s->block_index[i]] = 0; |
| 3946 | dst_idx += i >> 2; |
| 3947 | val = ((cbp >> (5 - i)) & 1); |
| 3948 | if (!fieldtx) |
| 3949 | off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize); |
| 3950 | else |
| 3951 | off = (i & 4) ? 0 : ((i & 1) * 8 + ((i > 1) * s->linesize)); |
| 3952 | if (val) { |
| 3953 | pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, |
| 3954 | first_block, s->dest[dst_idx] + off, |
| 3955 | (i & 4) ? s->uvlinesize : (s->linesize << fieldtx), |
| 3956 | (i & 4) && (s->flags & CODEC_FLAG_GRAY), &block_tt); |
| 3957 | block_cbp |= pat << (i << 2); |
| 3958 | if (!v->ttmbf && ttmb < 8) |
| 3959 | ttmb = -1; |
| 3960 | first_block = 0; |
| 3961 | } |
| 3962 | } |
| 3963 | } |
| 3964 | } else { // skipped |
| 3965 | s->mb_intra = v->is_intra[s->mb_x] = 0; |
| 3966 | for (i = 0; i < 6; i++) { |
| 3967 | v->mb_type[0][s->block_index[i]] = 0; |
| 3968 | s->dc_val[0][s->block_index[i]] = 0; |
| 3969 | } |
| 3970 | s->current_picture.mb_type[mb_pos] = MB_TYPE_SKIP; |
| 3971 | s->current_picture.qscale_table[mb_pos] = 0; |
| 3972 | v->blk_mv_type[s->block_index[0]] = 0; |
| 3973 | v->blk_mv_type[s->block_index[1]] = 0; |
| 3974 | v->blk_mv_type[s->block_index[2]] = 0; |
| 3975 | v->blk_mv_type[s->block_index[3]] = 0; |
| 3976 | vc1_pred_mv_intfr(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0], 0); |
| 3977 | vc1_mc_1mv(v, 0); |
| 3978 | } |
| 3979 | if (s->mb_x == s->mb_width - 1) |
| 3980 | memmove(v->is_intra_base, v->is_intra, sizeof(v->is_intra_base[0])*s->mb_stride); |
| 3981 | return 0; |
| 3982 | } |
| 3983 | |
| 3984 | static int vc1_decode_p_mb_intfi(VC1Context *v) |
| 3985 | { |
| 3986 | MpegEncContext *s = &v->s; |
| 3987 | GetBitContext *gb = &s->gb; |
| 3988 | int i; |
| 3989 | int mb_pos = s->mb_x + s->mb_y * s->mb_stride; |
| 3990 | int cbp = 0; /* cbp decoding stuff */ |
| 3991 | int mqdiff, mquant; /* MB quantization */ |
| 3992 | int ttmb = v->ttfrm; /* MB Transform type */ |
| 3993 | |
| 3994 | int mb_has_coeffs = 1; /* last_flag */ |
| 3995 | int dmv_x, dmv_y; /* Differential MV components */ |
| 3996 | int val; /* temp values */ |
| 3997 | int first_block = 1; |
| 3998 | int dst_idx, off; |
| 3999 | int pred_flag = 0; |
| 4000 | int block_cbp = 0, pat, block_tt = 0; |
| 4001 | int idx_mbmode = 0; |
| 4002 | |
| 4003 | mquant = v->pq; /* Lossy initialization */ |
| 4004 | |
| 4005 | idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_IF_MBMODE_VLC_BITS, 2); |
| 4006 | if (idx_mbmode <= 1) { // intra MB |
| 4007 | s->mb_intra = v->is_intra[s->mb_x] = 1; |
| 4008 | s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0] = 0; |
| 4009 | s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1] = 0; |
| 4010 | s->current_picture.mb_type[mb_pos + v->mb_off] = MB_TYPE_INTRA; |
| 4011 | GET_MQUANT(); |
| 4012 | s->current_picture.qscale_table[mb_pos] = mquant; |
| 4013 | /* Set DC scale - y and c use the same (not sure if necessary here) */ |
| 4014 | s->y_dc_scale = s->y_dc_scale_table[mquant]; |
| 4015 | s->c_dc_scale = s->c_dc_scale_table[mquant]; |
| 4016 | v->s.ac_pred = v->acpred_plane[mb_pos] = get_bits1(gb); |
| 4017 | mb_has_coeffs = idx_mbmode & 1; |
| 4018 | if (mb_has_coeffs) |
| 4019 | cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_ICBPCY_VLC_BITS, 2); |
| 4020 | dst_idx = 0; |
| 4021 | for (i = 0; i < 6; i++) { |
| 4022 | s->dc_val[0][s->block_index[i]] = 0; |
| 4023 | v->mb_type[0][s->block_index[i]] = 1; |
| 4024 | dst_idx += i >> 2; |
| 4025 | val = ((cbp >> (5 - i)) & 1); |
| 4026 | v->a_avail = v->c_avail = 0; |
| 4027 | if (i == 2 || i == 3 || !s->first_slice_line) |
| 4028 | v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]]; |
| 4029 | if (i == 1 || i == 3 || s->mb_x) |
| 4030 | v->c_avail = v->mb_type[0][s->block_index[i] - 1]; |
| 4031 | |
| 4032 | vc1_decode_intra_block(v, s->block[i], i, val, mquant, |
| 4033 | (i & 4) ? v->codingset2 : v->codingset); |
| 4034 | if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) |
| 4035 | continue; |
| 4036 | v->vc1dsp.vc1_inv_trans_8x8(s->block[i]); |
| 4037 | off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize); |
| 4038 | s->idsp.put_signed_pixels_clamped(s->block[i], |
| 4039 | s->dest[dst_idx] + off, |
| 4040 | (i & 4) ? s->uvlinesize |
| 4041 | : s->linesize); |
| 4042 | // TODO: loop filter |
| 4043 | } |
| 4044 | } else { |
| 4045 | s->mb_intra = v->is_intra[s->mb_x] = 0; |
| 4046 | s->current_picture.mb_type[mb_pos + v->mb_off] = MB_TYPE_16x16; |
| 4047 | for (i = 0; i < 6; i++) v->mb_type[0][s->block_index[i]] = 0; |
| 4048 | if (idx_mbmode <= 5) { // 1-MV |
| 4049 | dmv_x = dmv_y = pred_flag = 0; |
| 4050 | if (idx_mbmode & 1) { |
| 4051 | get_mvdata_interlaced(v, &dmv_x, &dmv_y, &pred_flag); |
| 4052 | } |
| 4053 | vc1_pred_mv(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], pred_flag, 0); |
| 4054 | vc1_mc_1mv(v, 0); |
| 4055 | mb_has_coeffs = !(idx_mbmode & 2); |
| 4056 | } else { // 4-MV |
| 4057 | v->fourmvbp = get_vlc2(gb, v->fourmvbp_vlc->table, VC1_4MV_BLOCK_PATTERN_VLC_BITS, 1); |
| 4058 | for (i = 0; i < 6; i++) { |
| 4059 | if (i < 4) { |
| 4060 | dmv_x = dmv_y = pred_flag = 0; |
| 4061 | val = ((v->fourmvbp >> (3 - i)) & 1); |
| 4062 | if (val) { |
| 4063 | get_mvdata_interlaced(v, &dmv_x, &dmv_y, &pred_flag); |
| 4064 | } |
| 4065 | vc1_pred_mv(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0], pred_flag, 0); |
| 4066 | vc1_mc_4mv_luma(v, i, 0, 0); |
| 4067 | } else if (i == 4) |
| 4068 | vc1_mc_4mv_chroma(v, 0); |
| 4069 | } |
| 4070 | mb_has_coeffs = idx_mbmode & 1; |
| 4071 | } |
| 4072 | if (mb_has_coeffs) |
| 4073 | cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); |
| 4074 | if (cbp) { |
| 4075 | GET_MQUANT(); |
| 4076 | } |
| 4077 | s->current_picture.qscale_table[mb_pos] = mquant; |
| 4078 | if (!v->ttmbf && cbp) { |
| 4079 | ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2); |
| 4080 | } |
| 4081 | dst_idx = 0; |
| 4082 | for (i = 0; i < 6; i++) { |
| 4083 | s->dc_val[0][s->block_index[i]] = 0; |
| 4084 | dst_idx += i >> 2; |
| 4085 | val = ((cbp >> (5 - i)) & 1); |
| 4086 | off = (i & 4) ? 0 : (i & 1) * 8 + (i & 2) * 4 * s->linesize; |
| 4087 | if (val) { |
| 4088 | pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, |
| 4089 | first_block, s->dest[dst_idx] + off, |
| 4090 | (i & 4) ? s->uvlinesize : s->linesize, |
| 4091 | (i & 4) && (s->flags & CODEC_FLAG_GRAY), |
| 4092 | &block_tt); |
| 4093 | block_cbp |= pat << (i << 2); |
| 4094 | if (!v->ttmbf && ttmb < 8) ttmb = -1; |
| 4095 | first_block = 0; |
| 4096 | } |
| 4097 | } |
| 4098 | } |
| 4099 | if (s->mb_x == s->mb_width - 1) |
| 4100 | memmove(v->is_intra_base, v->is_intra, sizeof(v->is_intra_base[0]) * s->mb_stride); |
| 4101 | return 0; |
| 4102 | } |
| 4103 | |
| 4104 | /** Decode one B-frame MB (in Main profile) |
| 4105 | */ |
| 4106 | static void vc1_decode_b_mb(VC1Context *v) |
| 4107 | { |
| 4108 | MpegEncContext *s = &v->s; |
| 4109 | GetBitContext *gb = &s->gb; |
| 4110 | int i, j; |
| 4111 | int mb_pos = s->mb_x + s->mb_y * s->mb_stride; |
| 4112 | int cbp = 0; /* cbp decoding stuff */ |
| 4113 | int mqdiff, mquant; /* MB quantization */ |
| 4114 | int ttmb = v->ttfrm; /* MB Transform type */ |
| 4115 | int mb_has_coeffs = 0; /* last_flag */ |
| 4116 | int index, index1; /* LUT indexes */ |
| 4117 | int val, sign; /* temp values */ |
| 4118 | int first_block = 1; |
| 4119 | int dst_idx, off; |
| 4120 | int skipped, direct; |
| 4121 | int dmv_x[2], dmv_y[2]; |
| 4122 | int bmvtype = BMV_TYPE_BACKWARD; |
| 4123 | |
| 4124 | mquant = v->pq; /* lossy initialization */ |
| 4125 | s->mb_intra = 0; |
| 4126 | |
| 4127 | if (v->dmb_is_raw) |
| 4128 | direct = get_bits1(gb); |
| 4129 | else |
| 4130 | direct = v->direct_mb_plane[mb_pos]; |
| 4131 | if (v->skip_is_raw) |
| 4132 | skipped = get_bits1(gb); |
| 4133 | else |
| 4134 | skipped = v->s.mbskip_table[mb_pos]; |
| 4135 | |
| 4136 | dmv_x[0] = dmv_x[1] = dmv_y[0] = dmv_y[1] = 0; |
| 4137 | for (i = 0; i < 6; i++) { |
| 4138 | v->mb_type[0][s->block_index[i]] = 0; |
| 4139 | s->dc_val[0][s->block_index[i]] = 0; |
| 4140 | } |
| 4141 | s->current_picture.qscale_table[mb_pos] = 0; |
| 4142 | |
| 4143 | if (!direct) { |
| 4144 | if (!skipped) { |
| 4145 | GET_MVDATA(dmv_x[0], dmv_y[0]); |
| 4146 | dmv_x[1] = dmv_x[0]; |
| 4147 | dmv_y[1] = dmv_y[0]; |
| 4148 | } |
| 4149 | if (skipped || !s->mb_intra) { |
| 4150 | bmvtype = decode012(gb); |
| 4151 | switch (bmvtype) { |
| 4152 | case 0: |
| 4153 | bmvtype = (v->bfraction >= (B_FRACTION_DEN/2)) ? BMV_TYPE_BACKWARD : BMV_TYPE_FORWARD; |
| 4154 | break; |
| 4155 | case 1: |
| 4156 | bmvtype = (v->bfraction >= (B_FRACTION_DEN/2)) ? BMV_TYPE_FORWARD : BMV_TYPE_BACKWARD; |
| 4157 | break; |
| 4158 | case 2: |
| 4159 | bmvtype = BMV_TYPE_INTERPOLATED; |
| 4160 | dmv_x[0] = dmv_y[0] = 0; |
| 4161 | } |
| 4162 | } |
| 4163 | } |
| 4164 | for (i = 0; i < 6; i++) |
| 4165 | v->mb_type[0][s->block_index[i]] = s->mb_intra; |
| 4166 | |
| 4167 | if (skipped) { |
| 4168 | if (direct) |
| 4169 | bmvtype = BMV_TYPE_INTERPOLATED; |
| 4170 | vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype); |
| 4171 | vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype); |
| 4172 | return; |
| 4173 | } |
| 4174 | if (direct) { |
| 4175 | cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); |
| 4176 | GET_MQUANT(); |
| 4177 | s->mb_intra = 0; |
| 4178 | s->current_picture.qscale_table[mb_pos] = mquant; |
| 4179 | if (!v->ttmbf) |
| 4180 | ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2); |
| 4181 | dmv_x[0] = dmv_y[0] = dmv_x[1] = dmv_y[1] = 0; |
| 4182 | vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype); |
| 4183 | vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype); |
| 4184 | } else { |
| 4185 | if (!mb_has_coeffs && !s->mb_intra) { |
| 4186 | /* no coded blocks - effectively skipped */ |
| 4187 | vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype); |
| 4188 | vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype); |
| 4189 | return; |
| 4190 | } |
| 4191 | if (s->mb_intra && !mb_has_coeffs) { |
| 4192 | GET_MQUANT(); |
| 4193 | s->current_picture.qscale_table[mb_pos] = mquant; |
| 4194 | s->ac_pred = get_bits1(gb); |
| 4195 | cbp = 0; |
| 4196 | vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype); |
| 4197 | } else { |
| 4198 | if (bmvtype == BMV_TYPE_INTERPOLATED) { |
| 4199 | GET_MVDATA(dmv_x[0], dmv_y[0]); |
| 4200 | if (!mb_has_coeffs) { |
| 4201 | /* interpolated skipped block */ |
| 4202 | vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype); |
| 4203 | vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype); |
| 4204 | return; |
| 4205 | } |
| 4206 | } |
| 4207 | vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype); |
| 4208 | if (!s->mb_intra) { |
| 4209 | vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype); |
| 4210 | } |
| 4211 | if (s->mb_intra) |
| 4212 | s->ac_pred = get_bits1(gb); |
| 4213 | cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); |
| 4214 | GET_MQUANT(); |
| 4215 | s->current_picture.qscale_table[mb_pos] = mquant; |
| 4216 | if (!v->ttmbf && !s->mb_intra && mb_has_coeffs) |
| 4217 | ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2); |
| 4218 | } |
| 4219 | } |
| 4220 | dst_idx = 0; |
| 4221 | for (i = 0; i < 6; i++) { |
| 4222 | s->dc_val[0][s->block_index[i]] = 0; |
| 4223 | dst_idx += i >> 2; |
| 4224 | val = ((cbp >> (5 - i)) & 1); |
| 4225 | off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize); |
| 4226 | v->mb_type[0][s->block_index[i]] = s->mb_intra; |
| 4227 | if (s->mb_intra) { |
| 4228 | /* check if prediction blocks A and C are available */ |
| 4229 | v->a_avail = v->c_avail = 0; |
| 4230 | if (i == 2 || i == 3 || !s->first_slice_line) |
| 4231 | v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]]; |
| 4232 | if (i == 1 || i == 3 || s->mb_x) |
| 4233 | v->c_avail = v->mb_type[0][s->block_index[i] - 1]; |
| 4234 | |
| 4235 | vc1_decode_intra_block(v, s->block[i], i, val, mquant, |
| 4236 | (i & 4) ? v->codingset2 : v->codingset); |
| 4237 | if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) |
| 4238 | continue; |
| 4239 | v->vc1dsp.vc1_inv_trans_8x8(s->block[i]); |
| 4240 | if (v->rangeredfrm) |
| 4241 | for (j = 0; j < 64; j++) |
| 4242 | s->block[i][j] <<= 1; |
| 4243 | s->idsp.put_signed_pixels_clamped(s->block[i], |
| 4244 | s->dest[dst_idx] + off, |
| 4245 | i & 4 ? s->uvlinesize |
| 4246 | : s->linesize); |
| 4247 | } else if (val) { |
| 4248 | vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, |
| 4249 | first_block, s->dest[dst_idx] + off, |
| 4250 | (i & 4) ? s->uvlinesize : s->linesize, |
| 4251 | (i & 4) && (s->flags & CODEC_FLAG_GRAY), NULL); |
| 4252 | if (!v->ttmbf && ttmb < 8) |
| 4253 | ttmb = -1; |
| 4254 | first_block = 0; |
| 4255 | } |
| 4256 | } |
| 4257 | } |
| 4258 | |
| 4259 | /** Decode one B-frame MB (in interlaced field B picture) |
| 4260 | */ |
| 4261 | static void vc1_decode_b_mb_intfi(VC1Context *v) |
| 4262 | { |
| 4263 | MpegEncContext *s = &v->s; |
| 4264 | GetBitContext *gb = &s->gb; |
| 4265 | int i, j; |
| 4266 | int mb_pos = s->mb_x + s->mb_y * s->mb_stride; |
| 4267 | int cbp = 0; /* cbp decoding stuff */ |
| 4268 | int mqdiff, mquant; /* MB quantization */ |
| 4269 | int ttmb = v->ttfrm; /* MB Transform type */ |
| 4270 | int mb_has_coeffs = 0; /* last_flag */ |
| 4271 | int val; /* temp value */ |
| 4272 | int first_block = 1; |
| 4273 | int dst_idx, off; |
| 4274 | int fwd; |
| 4275 | int dmv_x[2], dmv_y[2], pred_flag[2]; |
| 4276 | int bmvtype = BMV_TYPE_BACKWARD; |
| 4277 | int idx_mbmode; |
| 4278 | |
| 4279 | mquant = v->pq; /* Lossy initialization */ |
| 4280 | s->mb_intra = 0; |
| 4281 | |
| 4282 | idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_IF_MBMODE_VLC_BITS, 2); |
| 4283 | if (idx_mbmode <= 1) { // intra MB |
| 4284 | s->mb_intra = v->is_intra[s->mb_x] = 1; |
| 4285 | s->current_picture.motion_val[1][s->block_index[0]][0] = 0; |
| 4286 | s->current_picture.motion_val[1][s->block_index[0]][1] = 0; |
| 4287 | s->current_picture.mb_type[mb_pos + v->mb_off] = MB_TYPE_INTRA; |
| 4288 | GET_MQUANT(); |
| 4289 | s->current_picture.qscale_table[mb_pos] = mquant; |
| 4290 | /* Set DC scale - y and c use the same (not sure if necessary here) */ |
| 4291 | s->y_dc_scale = s->y_dc_scale_table[mquant]; |
| 4292 | s->c_dc_scale = s->c_dc_scale_table[mquant]; |
| 4293 | v->s.ac_pred = v->acpred_plane[mb_pos] = get_bits1(gb); |
| 4294 | mb_has_coeffs = idx_mbmode & 1; |
| 4295 | if (mb_has_coeffs) |
| 4296 | cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_ICBPCY_VLC_BITS, 2); |
| 4297 | dst_idx = 0; |
| 4298 | for (i = 0; i < 6; i++) { |
| 4299 | s->dc_val[0][s->block_index[i]] = 0; |
| 4300 | dst_idx += i >> 2; |
| 4301 | val = ((cbp >> (5 - i)) & 1); |
| 4302 | v->mb_type[0][s->block_index[i]] = s->mb_intra; |
| 4303 | v->a_avail = v->c_avail = 0; |
| 4304 | if (i == 2 || i == 3 || !s->first_slice_line) |
| 4305 | v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]]; |
| 4306 | if (i == 1 || i == 3 || s->mb_x) |
| 4307 | v->c_avail = v->mb_type[0][s->block_index[i] - 1]; |
| 4308 | |
| 4309 | vc1_decode_intra_block(v, s->block[i], i, val, mquant, |
| 4310 | (i & 4) ? v->codingset2 : v->codingset); |
| 4311 | if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) |
| 4312 | continue; |
| 4313 | v->vc1dsp.vc1_inv_trans_8x8(s->block[i]); |
| 4314 | if (v->rangeredfrm) |
| 4315 | for (j = 0; j < 64; j++) |
| 4316 | s->block[i][j] <<= 1; |
| 4317 | off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize); |
| 4318 | s->idsp.put_signed_pixels_clamped(s->block[i], |
| 4319 | s->dest[dst_idx] + off, |
| 4320 | (i & 4) ? s->uvlinesize |
| 4321 | : s->linesize); |
| 4322 | // TODO: yet to perform loop filter |
| 4323 | } |
| 4324 | } else { |
| 4325 | s->mb_intra = v->is_intra[s->mb_x] = 0; |
| 4326 | s->current_picture.mb_type[mb_pos + v->mb_off] = MB_TYPE_16x16; |
| 4327 | for (i = 0; i < 6; i++) v->mb_type[0][s->block_index[i]] = 0; |
| 4328 | if (v->fmb_is_raw) |
| 4329 | fwd = v->forward_mb_plane[mb_pos] = get_bits1(gb); |
| 4330 | else |
| 4331 | fwd = v->forward_mb_plane[mb_pos]; |
| 4332 | if (idx_mbmode <= 5) { // 1-MV |
| 4333 | int interpmvp = 0; |
| 4334 | dmv_x[0] = dmv_x[1] = dmv_y[0] = dmv_y[1] = 0; |
| 4335 | pred_flag[0] = pred_flag[1] = 0; |
| 4336 | if (fwd) |
| 4337 | bmvtype = BMV_TYPE_FORWARD; |
| 4338 | else { |
| 4339 | bmvtype = decode012(gb); |
| 4340 | switch (bmvtype) { |
| 4341 | case 0: |
| 4342 | bmvtype = BMV_TYPE_BACKWARD; |
| 4343 | break; |
| 4344 | case 1: |
| 4345 | bmvtype = BMV_TYPE_DIRECT; |
| 4346 | break; |
| 4347 | case 2: |
| 4348 | bmvtype = BMV_TYPE_INTERPOLATED; |
| 4349 | interpmvp = get_bits1(gb); |
| 4350 | } |
| 4351 | } |
| 4352 | v->bmvtype = bmvtype; |
| 4353 | if (bmvtype != BMV_TYPE_DIRECT && idx_mbmode & 1) { |
| 4354 | get_mvdata_interlaced(v, &dmv_x[bmvtype == BMV_TYPE_BACKWARD], &dmv_y[bmvtype == BMV_TYPE_BACKWARD], &pred_flag[bmvtype == BMV_TYPE_BACKWARD]); |
| 4355 | } |
| 4356 | if (interpmvp) { |
| 4357 | get_mvdata_interlaced(v, &dmv_x[1], &dmv_y[1], &pred_flag[1]); |
| 4358 | } |
| 4359 | if (bmvtype == BMV_TYPE_DIRECT) { |
| 4360 | dmv_x[0] = dmv_y[0] = pred_flag[0] = 0; |
| 4361 | dmv_x[1] = dmv_y[1] = pred_flag[0] = 0; |
| 4362 | if (!s->next_picture_ptr->field_picture) { |
| 4363 | av_log(s->avctx, AV_LOG_ERROR, "Mixed field/frame direct mode not supported\n"); |
| 4364 | return; |
| 4365 | } |
| 4366 | } |
| 4367 | vc1_pred_b_mv_intfi(v, 0, dmv_x, dmv_y, 1, pred_flag); |
| 4368 | vc1_b_mc(v, dmv_x, dmv_y, (bmvtype == BMV_TYPE_DIRECT), bmvtype); |
| 4369 | mb_has_coeffs = !(idx_mbmode & 2); |
| 4370 | } else { // 4-MV |
| 4371 | if (fwd) |
| 4372 | bmvtype = BMV_TYPE_FORWARD; |
| 4373 | v->bmvtype = bmvtype; |
| 4374 | v->fourmvbp = get_vlc2(gb, v->fourmvbp_vlc->table, VC1_4MV_BLOCK_PATTERN_VLC_BITS, 1); |
| 4375 | for (i = 0; i < 6; i++) { |
| 4376 | if (i < 4) { |
| 4377 | dmv_x[0] = dmv_y[0] = pred_flag[0] = 0; |
| 4378 | dmv_x[1] = dmv_y[1] = pred_flag[1] = 0; |
| 4379 | val = ((v->fourmvbp >> (3 - i)) & 1); |
| 4380 | if (val) { |
| 4381 | get_mvdata_interlaced(v, &dmv_x[bmvtype == BMV_TYPE_BACKWARD], |
| 4382 | &dmv_y[bmvtype == BMV_TYPE_BACKWARD], |
| 4383 | &pred_flag[bmvtype == BMV_TYPE_BACKWARD]); |
| 4384 | } |
| 4385 | vc1_pred_b_mv_intfi(v, i, dmv_x, dmv_y, 0, pred_flag); |
| 4386 | vc1_mc_4mv_luma(v, i, bmvtype == BMV_TYPE_BACKWARD, 0); |
| 4387 | } else if (i == 4) |
| 4388 | vc1_mc_4mv_chroma(v, bmvtype == BMV_TYPE_BACKWARD); |
| 4389 | } |
| 4390 | mb_has_coeffs = idx_mbmode & 1; |
| 4391 | } |
| 4392 | if (mb_has_coeffs) |
| 4393 | cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); |
| 4394 | if (cbp) { |
| 4395 | GET_MQUANT(); |
| 4396 | } |
| 4397 | s->current_picture.qscale_table[mb_pos] = mquant; |
| 4398 | if (!v->ttmbf && cbp) { |
| 4399 | ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2); |
| 4400 | } |
| 4401 | dst_idx = 0; |
| 4402 | for (i = 0; i < 6; i++) { |
| 4403 | s->dc_val[0][s->block_index[i]] = 0; |
| 4404 | dst_idx += i >> 2; |
| 4405 | val = ((cbp >> (5 - i)) & 1); |
| 4406 | off = (i & 4) ? 0 : (i & 1) * 8 + (i & 2) * 4 * s->linesize; |
| 4407 | if (val) { |
| 4408 | vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, |
| 4409 | first_block, s->dest[dst_idx] + off, |
| 4410 | (i & 4) ? s->uvlinesize : s->linesize, |
| 4411 | (i & 4) && (s->flags & CODEC_FLAG_GRAY), NULL); |
| 4412 | if (!v->ttmbf && ttmb < 8) |
| 4413 | ttmb = -1; |
| 4414 | first_block = 0; |
| 4415 | } |
| 4416 | } |
| 4417 | } |
| 4418 | } |
| 4419 | |
| 4420 | /** Decode one B-frame MB (in interlaced frame B picture) |
| 4421 | */ |
| 4422 | static int vc1_decode_b_mb_intfr(VC1Context *v) |
| 4423 | { |
| 4424 | MpegEncContext *s = &v->s; |
| 4425 | GetBitContext *gb = &s->gb; |
| 4426 | int i, j; |
| 4427 | int mb_pos = s->mb_x + s->mb_y * s->mb_stride; |
| 4428 | int cbp = 0; /* cbp decoding stuff */ |
| 4429 | int mqdiff, mquant; /* MB quantization */ |
| 4430 | int ttmb = v->ttfrm; /* MB Transform type */ |
| 4431 | int mvsw = 0; /* motion vector switch */ |
| 4432 | int mb_has_coeffs = 1; /* last_flag */ |
| 4433 | int dmv_x, dmv_y; /* Differential MV components */ |
| 4434 | int val; /* temp value */ |
| 4435 | int first_block = 1; |
| 4436 | int dst_idx, off; |
| 4437 | int skipped, direct, twomv = 0; |
| 4438 | int block_cbp = 0, pat, block_tt = 0; |
| 4439 | int idx_mbmode = 0, mvbp; |
| 4440 | int stride_y, fieldtx; |
| 4441 | int bmvtype = BMV_TYPE_BACKWARD; |
| 4442 | int dir, dir2; |
| 4443 | |
| 4444 | mquant = v->pq; /* Lossy initialization */ |
| 4445 | s->mb_intra = 0; |
| 4446 | if (v->skip_is_raw) |
| 4447 | skipped = get_bits1(gb); |
| 4448 | else |
| 4449 | skipped = v->s.mbskip_table[mb_pos]; |
| 4450 | |
| 4451 | if (!skipped) { |
| 4452 | idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 2); |
| 4453 | if (ff_vc1_mbmode_intfrp[0][idx_mbmode][0] == MV_PMODE_INTFR_2MV_FIELD) { |
| 4454 | twomv = 1; |
| 4455 | v->blk_mv_type[s->block_index[0]] = 1; |
| 4456 | v->blk_mv_type[s->block_index[1]] = 1; |
| 4457 | v->blk_mv_type[s->block_index[2]] = 1; |
| 4458 | v->blk_mv_type[s->block_index[3]] = 1; |
| 4459 | } else { |
| 4460 | v->blk_mv_type[s->block_index[0]] = 0; |
| 4461 | v->blk_mv_type[s->block_index[1]] = 0; |
| 4462 | v->blk_mv_type[s->block_index[2]] = 0; |
| 4463 | v->blk_mv_type[s->block_index[3]] = 0; |
| 4464 | } |
| 4465 | } |
| 4466 | |
| 4467 | if (v->dmb_is_raw) |
| 4468 | direct = get_bits1(gb); |
| 4469 | else |
| 4470 | direct = v->direct_mb_plane[mb_pos]; |
| 4471 | |
| 4472 | if (direct) { |
| 4473 | if (s->next_picture_ptr->field_picture) |
| 4474 | av_log(s->avctx, AV_LOG_WARNING, "Mixed frame/field direct mode not supported\n"); |
| 4475 | s->mv[0][0][0] = s->current_picture.motion_val[0][s->block_index[0]][0] = scale_mv(s->next_picture.motion_val[1][s->block_index[0]][0], v->bfraction, 0, s->quarter_sample); |
| 4476 | s->mv[0][0][1] = s->current_picture.motion_val[0][s->block_index[0]][1] = scale_mv(s->next_picture.motion_val[1][s->block_index[0]][1], v->bfraction, 0, s->quarter_sample); |
| 4477 | s->mv[1][0][0] = s->current_picture.motion_val[1][s->block_index[0]][0] = scale_mv(s->next_picture.motion_val[1][s->block_index[0]][0], v->bfraction, 1, s->quarter_sample); |
| 4478 | s->mv[1][0][1] = s->current_picture.motion_val[1][s->block_index[0]][1] = scale_mv(s->next_picture.motion_val[1][s->block_index[0]][1], v->bfraction, 1, s->quarter_sample); |
| 4479 | |
| 4480 | if (twomv) { |
| 4481 | s->mv[0][2][0] = s->current_picture.motion_val[0][s->block_index[2]][0] = scale_mv(s->next_picture.motion_val[1][s->block_index[2]][0], v->bfraction, 0, s->quarter_sample); |
| 4482 | s->mv[0][2][1] = s->current_picture.motion_val[0][s->block_index[2]][1] = scale_mv(s->next_picture.motion_val[1][s->block_index[2]][1], v->bfraction, 0, s->quarter_sample); |
| 4483 | s->mv[1][2][0] = s->current_picture.motion_val[1][s->block_index[2]][0] = scale_mv(s->next_picture.motion_val[1][s->block_index[2]][0], v->bfraction, 1, s->quarter_sample); |
| 4484 | s->mv[1][2][1] = s->current_picture.motion_val[1][s->block_index[2]][1] = scale_mv(s->next_picture.motion_val[1][s->block_index[2]][1], v->bfraction, 1, s->quarter_sample); |
| 4485 | |
| 4486 | for (i = 1; i < 4; i += 2) { |
| 4487 | s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0] = s->mv[0][i-1][0]; |
| 4488 | s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1] = s->mv[0][i-1][1]; |
| 4489 | s->mv[1][i][0] = s->current_picture.motion_val[1][s->block_index[i]][0] = s->mv[1][i-1][0]; |
| 4490 | s->mv[1][i][1] = s->current_picture.motion_val[1][s->block_index[i]][1] = s->mv[1][i-1][1]; |
| 4491 | } |
| 4492 | } else { |
| 4493 | for (i = 1; i < 4; i++) { |
| 4494 | s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0] = s->mv[0][0][0]; |
| 4495 | s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1] = s->mv[0][0][1]; |
| 4496 | s->mv[1][i][0] = s->current_picture.motion_val[1][s->block_index[i]][0] = s->mv[1][0][0]; |
| 4497 | s->mv[1][i][1] = s->current_picture.motion_val[1][s->block_index[i]][1] = s->mv[1][0][1]; |
| 4498 | } |
| 4499 | } |
| 4500 | } |
| 4501 | |
| 4502 | if (ff_vc1_mbmode_intfrp[0][idx_mbmode][0] == MV_PMODE_INTFR_INTRA) { // intra MB |
| 4503 | for (i = 0; i < 4; i++) { |
| 4504 | s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0] = 0; |
| 4505 | s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1] = 0; |
| 4506 | s->mv[1][i][0] = s->current_picture.motion_val[1][s->block_index[i]][0] = 0; |
| 4507 | s->mv[1][i][1] = s->current_picture.motion_val[1][s->block_index[i]][1] = 0; |
| 4508 | } |
| 4509 | s->current_picture.mb_type[mb_pos] = MB_TYPE_INTRA; |
| 4510 | s->mb_intra = v->is_intra[s->mb_x] = 1; |
| 4511 | for (i = 0; i < 6; i++) |
| 4512 | v->mb_type[0][s->block_index[i]] = 1; |
| 4513 | fieldtx = v->fieldtx_plane[mb_pos] = get_bits1(gb); |
| 4514 | mb_has_coeffs = get_bits1(gb); |
| 4515 | if (mb_has_coeffs) |
| 4516 | cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); |
| 4517 | v->s.ac_pred = v->acpred_plane[mb_pos] = get_bits1(gb); |
| 4518 | GET_MQUANT(); |
| 4519 | s->current_picture.qscale_table[mb_pos] = mquant; |
| 4520 | /* Set DC scale - y and c use the same (not sure if necessary here) */ |
| 4521 | s->y_dc_scale = s->y_dc_scale_table[mquant]; |
| 4522 | s->c_dc_scale = s->c_dc_scale_table[mquant]; |
| 4523 | dst_idx = 0; |
| 4524 | for (i = 0; i < 6; i++) { |
| 4525 | s->dc_val[0][s->block_index[i]] = 0; |
| 4526 | dst_idx += i >> 2; |
| 4527 | val = ((cbp >> (5 - i)) & 1); |
| 4528 | v->mb_type[0][s->block_index[i]] = s->mb_intra; |
| 4529 | v->a_avail = v->c_avail = 0; |
| 4530 | if (i == 2 || i == 3 || !s->first_slice_line) |
| 4531 | v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]]; |
| 4532 | if (i == 1 || i == 3 || s->mb_x) |
| 4533 | v->c_avail = v->mb_type[0][s->block_index[i] - 1]; |
| 4534 | |
| 4535 | vc1_decode_intra_block(v, s->block[i], i, val, mquant, |
| 4536 | (i & 4) ? v->codingset2 : v->codingset); |
| 4537 | if (i > 3 && (s->flags & CODEC_FLAG_GRAY)) |
| 4538 | continue; |
| 4539 | v->vc1dsp.vc1_inv_trans_8x8(s->block[i]); |
| 4540 | if (i < 4) { |
| 4541 | stride_y = s->linesize << fieldtx; |
| 4542 | off = (fieldtx) ? ((i & 1) * 8) + ((i & 2) >> 1) * s->linesize : (i & 1) * 8 + 4 * (i & 2) * s->linesize; |
| 4543 | } else { |
| 4544 | stride_y = s->uvlinesize; |
| 4545 | off = 0; |
| 4546 | } |
| 4547 | s->idsp.put_signed_pixels_clamped(s->block[i], |
| 4548 | s->dest[dst_idx] + off, |
| 4549 | stride_y); |
| 4550 | } |
| 4551 | } else { |
| 4552 | s->mb_intra = v->is_intra[s->mb_x] = 0; |
| 4553 | if (!direct) { |
| 4554 | if (skipped || !s->mb_intra) { |
| 4555 | bmvtype = decode012(gb); |
| 4556 | switch (bmvtype) { |
| 4557 | case 0: |
| 4558 | bmvtype = (v->bfraction >= (B_FRACTION_DEN/2)) ? BMV_TYPE_BACKWARD : BMV_TYPE_FORWARD; |
| 4559 | break; |
| 4560 | case 1: |
| 4561 | bmvtype = (v->bfraction >= (B_FRACTION_DEN/2)) ? BMV_TYPE_FORWARD : BMV_TYPE_BACKWARD; |
| 4562 | break; |
| 4563 | case 2: |
| 4564 | bmvtype = BMV_TYPE_INTERPOLATED; |
| 4565 | } |
| 4566 | } |
| 4567 | |
| 4568 | if (twomv && bmvtype != BMV_TYPE_INTERPOLATED) |
| 4569 | mvsw = get_bits1(gb); |
| 4570 | } |
| 4571 | |
| 4572 | if (!skipped) { // inter MB |
| 4573 | mb_has_coeffs = ff_vc1_mbmode_intfrp[0][idx_mbmode][3]; |
| 4574 | if (mb_has_coeffs) |
| 4575 | cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2); |
| 4576 | if (!direct) { |
| 4577 | if (bmvtype == BMV_TYPE_INTERPOLATED && twomv) { |
| 4578 | v->fourmvbp = get_vlc2(gb, v->fourmvbp_vlc->table, VC1_4MV_BLOCK_PATTERN_VLC_BITS, 1); |
| 4579 | } else if (bmvtype == BMV_TYPE_INTERPOLATED || twomv) { |
| 4580 | v->twomvbp = get_vlc2(gb, v->twomvbp_vlc->table, VC1_2MV_BLOCK_PATTERN_VLC_BITS, 1); |
| 4581 | } |
| 4582 | } |
| 4583 | |
| 4584 | for (i = 0; i < 6; i++) |
| 4585 | v->mb_type[0][s->block_index[i]] = 0; |
| 4586 | fieldtx = v->fieldtx_plane[mb_pos] = ff_vc1_mbmode_intfrp[0][idx_mbmode][1]; |
| 4587 | /* for all motion vector read MVDATA and motion compensate each block */ |
| 4588 | dst_idx = 0; |
| 4589 | if (direct) { |
| 4590 | if (twomv) { |
| 4591 | for (i = 0; i < 4; i++) { |
| 4592 | vc1_mc_4mv_luma(v, i, 0, 0); |
| 4593 | vc1_mc_4mv_luma(v, i, 1, 1); |
| 4594 | } |
| 4595 | vc1_mc_4mv_chroma4(v, 0, 0, 0); |
| 4596 | vc1_mc_4mv_chroma4(v, 1, 1, 1); |
| 4597 | } else { |
| 4598 | vc1_mc_1mv(v, 0); |
| 4599 | vc1_interp_mc(v); |
| 4600 | } |
| 4601 | } else if (twomv && bmvtype == BMV_TYPE_INTERPOLATED) { |
| 4602 | mvbp = v->fourmvbp; |
| 4603 | for (i = 0; i < 4; i++) { |
| 4604 | dir = i==1 || i==3; |
| 4605 | dmv_x = dmv_y = 0; |
| 4606 | val = ((mvbp >> (3 - i)) & 1); |
| 4607 | if (val) |
| 4608 | get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); |
| 4609 | j = i > 1 ? 2 : 0; |
| 4610 | vc1_pred_mv_intfr(v, j, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], dir); |
| 4611 | vc1_mc_4mv_luma(v, j, dir, dir); |
| 4612 | vc1_mc_4mv_luma(v, j+1, dir, dir); |
| 4613 | } |
| 4614 | |
| 4615 | vc1_mc_4mv_chroma4(v, 0, 0, 0); |
| 4616 | vc1_mc_4mv_chroma4(v, 1, 1, 1); |
| 4617 | } else if (bmvtype == BMV_TYPE_INTERPOLATED) { |
| 4618 | mvbp = v->twomvbp; |
| 4619 | dmv_x = dmv_y = 0; |
| 4620 | if (mvbp & 2) |
| 4621 | get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); |
| 4622 | |
| 4623 | vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], 0); |
| 4624 | vc1_mc_1mv(v, 0); |
| 4625 | |
| 4626 | dmv_x = dmv_y = 0; |
| 4627 | if (mvbp & 1) |
| 4628 | get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); |
| 4629 | |
| 4630 | vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], 1); |
| 4631 | vc1_interp_mc(v); |
| 4632 | } else if (twomv) { |
| 4633 | dir = bmvtype == BMV_TYPE_BACKWARD; |
| 4634 | dir2 = dir; |
| 4635 | if (mvsw) |
| 4636 | dir2 = !dir; |
| 4637 | mvbp = v->twomvbp; |
| 4638 | dmv_x = dmv_y = 0; |
| 4639 | if (mvbp & 2) |
| 4640 | get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); |
| 4641 | vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], dir); |
| 4642 | |
| 4643 | dmv_x = dmv_y = 0; |
| 4644 | if (mvbp & 1) |
| 4645 | get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); |
| 4646 | vc1_pred_mv_intfr(v, 2, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], dir2); |
| 4647 | |
| 4648 | if (mvsw) { |
| 4649 | for (i = 0; i < 2; i++) { |
| 4650 | s->mv[dir][i+2][0] = s->mv[dir][i][0] = s->current_picture.motion_val[dir][s->block_index[i+2]][0] = s->current_picture.motion_val[dir][s->block_index[i]][0]; |
| 4651 | s->mv[dir][i+2][1] = s->mv[dir][i][1] = s->current_picture.motion_val[dir][s->block_index[i+2]][1] = s->current_picture.motion_val[dir][s->block_index[i]][1]; |
| 4652 | s->mv[dir2][i+2][0] = s->mv[dir2][i][0] = s->current_picture.motion_val[dir2][s->block_index[i]][0] = s->current_picture.motion_val[dir2][s->block_index[i+2]][0]; |
| 4653 | s->mv[dir2][i+2][1] = s->mv[dir2][i][1] = s->current_picture.motion_val[dir2][s->block_index[i]][1] = s->current_picture.motion_val[dir2][s->block_index[i+2]][1]; |
| 4654 | } |
| 4655 | } else { |
| 4656 | vc1_pred_mv_intfr(v, 0, 0, 0, 2, v->range_x, v->range_y, v->mb_type[0], !dir); |
| 4657 | vc1_pred_mv_intfr(v, 2, 0, 0, 2, v->range_x, v->range_y, v->mb_type[0], !dir); |
| 4658 | } |
| 4659 | |
| 4660 | vc1_mc_4mv_luma(v, 0, dir, 0); |
| 4661 | vc1_mc_4mv_luma(v, 1, dir, 0); |
| 4662 | vc1_mc_4mv_luma(v, 2, dir2, 0); |
| 4663 | vc1_mc_4mv_luma(v, 3, dir2, 0); |
| 4664 | vc1_mc_4mv_chroma4(v, dir, dir2, 0); |
| 4665 | } else { |
| 4666 | dir = bmvtype == BMV_TYPE_BACKWARD; |
| 4667 | |
| 4668 | mvbp = ff_vc1_mbmode_intfrp[0][idx_mbmode][2]; |
| 4669 | dmv_x = dmv_y = 0; |
| 4670 | if (mvbp) |
| 4671 | get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0); |
| 4672 | |
| 4673 | vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], dir); |
| 4674 | v->blk_mv_type[s->block_index[0]] = 1; |
| 4675 | v->blk_mv_type[s->block_index[1]] = 1; |
| 4676 | v->blk_mv_type[s->block_index[2]] = 1; |
| 4677 | v->blk_mv_type[s->block_index[3]] = 1; |
| 4678 | vc1_pred_mv_intfr(v, 0, 0, 0, 2, v->range_x, v->range_y, 0, !dir); |
| 4679 | for (i = 0; i < 2; i++) { |
| 4680 | s->mv[!dir][i+2][0] = s->mv[!dir][i][0] = s->current_picture.motion_val[!dir][s->block_index[i+2]][0] = s->current_picture.motion_val[!dir][s->block_index[i]][0]; |
| 4681 | s->mv[!dir][i+2][1] = s->mv[!dir][i][1] = s->current_picture.motion_val[!dir][s->block_index[i+2]][1] = s->current_picture.motion_val[!dir][s->block_index[i]][1]; |
| 4682 | } |
| 4683 | vc1_mc_1mv(v, dir); |
| 4684 | } |
| 4685 | |
| 4686 | if (cbp) |
| 4687 | GET_MQUANT(); // p. 227 |
| 4688 | s->current_picture.qscale_table[mb_pos] = mquant; |
| 4689 | if (!v->ttmbf && cbp) |
| 4690 | ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2); |
| 4691 | for (i = 0; i < 6; i++) { |
| 4692 | s->dc_val[0][s->block_index[i]] = 0; |
| 4693 | dst_idx += i >> 2; |
| 4694 | val = ((cbp >> (5 - i)) & 1); |
| 4695 | if (!fieldtx) |
| 4696 | off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize); |
| 4697 | else |
| 4698 | off = (i & 4) ? 0 : ((i & 1) * 8 + ((i > 1) * s->linesize)); |
| 4699 | if (val) { |
| 4700 | pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, |
| 4701 | first_block, s->dest[dst_idx] + off, |
| 4702 | (i & 4) ? s->uvlinesize : (s->linesize << fieldtx), |
| 4703 | (i & 4) && (s->flags & CODEC_FLAG_GRAY), &block_tt); |
| 4704 | block_cbp |= pat << (i << 2); |
| 4705 | if (!v->ttmbf && ttmb < 8) |
| 4706 | ttmb = -1; |
| 4707 | first_block = 0; |
| 4708 | } |
| 4709 | } |
| 4710 | |
| 4711 | } else { // skipped |
| 4712 | dir = 0; |
| 4713 | for (i = 0; i < 6; i++) { |
| 4714 | v->mb_type[0][s->block_index[i]] = 0; |
| 4715 | s->dc_val[0][s->block_index[i]] = 0; |
| 4716 | } |
| 4717 | s->current_picture.mb_type[mb_pos] = MB_TYPE_SKIP; |
| 4718 | s->current_picture.qscale_table[mb_pos] = 0; |
| 4719 | v->blk_mv_type[s->block_index[0]] = 0; |
| 4720 | v->blk_mv_type[s->block_index[1]] = 0; |
| 4721 | v->blk_mv_type[s->block_index[2]] = 0; |
| 4722 | v->blk_mv_type[s->block_index[3]] = 0; |
| 4723 | |
| 4724 | if (!direct) { |
| 4725 | if (bmvtype == BMV_TYPE_INTERPOLATED) { |
| 4726 | vc1_pred_mv_intfr(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0], 0); |
| 4727 | vc1_pred_mv_intfr(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0], 1); |
| 4728 | } else { |
| 4729 | dir = bmvtype == BMV_TYPE_BACKWARD; |
| 4730 | vc1_pred_mv_intfr(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0], dir); |
| 4731 | if (mvsw) { |
| 4732 | int dir2 = dir; |
| 4733 | if (mvsw) |
| 4734 | dir2 = !dir; |
| 4735 | for (i = 0; i < 2; i++) { |
| 4736 | s->mv[dir][i+2][0] = s->mv[dir][i][0] = s->current_picture.motion_val[dir][s->block_index[i+2]][0] = s->current_picture.motion_val[dir][s->block_index[i]][0]; |
| 4737 | s->mv[dir][i+2][1] = s->mv[dir][i][1] = s->current_picture.motion_val[dir][s->block_index[i+2]][1] = s->current_picture.motion_val[dir][s->block_index[i]][1]; |
| 4738 | s->mv[dir2][i+2][0] = s->mv[dir2][i][0] = s->current_picture.motion_val[dir2][s->block_index[i]][0] = s->current_picture.motion_val[dir2][s->block_index[i+2]][0]; |
| 4739 | s->mv[dir2][i+2][1] = s->mv[dir2][i][1] = s->current_picture.motion_val[dir2][s->block_index[i]][1] = s->current_picture.motion_val[dir2][s->block_index[i+2]][1]; |
| 4740 | } |
| 4741 | } else { |
| 4742 | v->blk_mv_type[s->block_index[0]] = 1; |
| 4743 | v->blk_mv_type[s->block_index[1]] = 1; |
| 4744 | v->blk_mv_type[s->block_index[2]] = 1; |
| 4745 | v->blk_mv_type[s->block_index[3]] = 1; |
| 4746 | vc1_pred_mv_intfr(v, 0, 0, 0, 2, v->range_x, v->range_y, 0, !dir); |
| 4747 | for (i = 0; i < 2; i++) { |
| 4748 | s->mv[!dir][i+2][0] = s->mv[!dir][i][0] = s->current_picture.motion_val[!dir][s->block_index[i+2]][0] = s->current_picture.motion_val[!dir][s->block_index[i]][0]; |
| 4749 | s->mv[!dir][i+2][1] = s->mv[!dir][i][1] = s->current_picture.motion_val[!dir][s->block_index[i+2]][1] = s->current_picture.motion_val[!dir][s->block_index[i]][1]; |
| 4750 | } |
| 4751 | } |
| 4752 | } |
| 4753 | } |
| 4754 | |
| 4755 | vc1_mc_1mv(v, dir); |
| 4756 | if (direct || bmvtype == BMV_TYPE_INTERPOLATED) { |
| 4757 | vc1_interp_mc(v); |
| 4758 | } |
| 4759 | } |
| 4760 | } |
| 4761 | if (s->mb_x == s->mb_width - 1) |
| 4762 | memmove(v->is_intra_base, v->is_intra, sizeof(v->is_intra_base[0]) * s->mb_stride); |
| 4763 | v->cbp[s->mb_x] = block_cbp; |
| 4764 | v->ttblk[s->mb_x] = block_tt; |
| 4765 | return 0; |
| 4766 | } |
| 4767 | |
| 4768 | /** Decode blocks of I-frame |
| 4769 | */ |
| 4770 | static void vc1_decode_i_blocks(VC1Context *v) |
| 4771 | { |
| 4772 | int k, j; |
| 4773 | MpegEncContext *s = &v->s; |
| 4774 | int cbp, val; |
| 4775 | uint8_t *coded_val; |
| 4776 | int mb_pos; |
| 4777 | |
| 4778 | /* select codingmode used for VLC tables selection */ |
| 4779 | switch (v->y_ac_table_index) { |
| 4780 | case 0: |
| 4781 | v->codingset = (v->pqindex <= 8) ? CS_HIGH_RATE_INTRA : CS_LOW_MOT_INTRA; |
| 4782 | break; |
| 4783 | case 1: |
| 4784 | v->codingset = CS_HIGH_MOT_INTRA; |
| 4785 | break; |
| 4786 | case 2: |
| 4787 | v->codingset = CS_MID_RATE_INTRA; |
| 4788 | break; |
| 4789 | } |
| 4790 | |
| 4791 | switch (v->c_ac_table_index) { |
| 4792 | case 0: |
| 4793 | v->codingset2 = (v->pqindex <= 8) ? CS_HIGH_RATE_INTER : CS_LOW_MOT_INTER; |
| 4794 | break; |
| 4795 | case 1: |
| 4796 | v->codingset2 = CS_HIGH_MOT_INTER; |
| 4797 | break; |
| 4798 | case 2: |
| 4799 | v->codingset2 = CS_MID_RATE_INTER; |
| 4800 | break; |
| 4801 | } |
| 4802 | |
| 4803 | /* Set DC scale - y and c use the same */ |
| 4804 | s->y_dc_scale = s->y_dc_scale_table[v->pq]; |
| 4805 | s->c_dc_scale = s->c_dc_scale_table[v->pq]; |
| 4806 | |
| 4807 | //do frame decode |
| 4808 | s->mb_x = s->mb_y = 0; |
| 4809 | s->mb_intra = 1; |
| 4810 | s->first_slice_line = 1; |
| 4811 | for (s->mb_y = 0; s->mb_y < s->end_mb_y; s->mb_y++) { |
| 4812 | s->mb_x = 0; |
| 4813 | init_block_index(v); |
| 4814 | for (; s->mb_x < v->end_mb_x; s->mb_x++) { |
| 4815 | uint8_t *dst[6]; |
| 4816 | ff_update_block_index(s); |
| 4817 | dst[0] = s->dest[0]; |
| 4818 | dst[1] = dst[0] + 8; |
| 4819 | dst[2] = s->dest[0] + s->linesize * 8; |
| 4820 | dst[3] = dst[2] + 8; |
| 4821 | dst[4] = s->dest[1]; |
| 4822 | dst[5] = s->dest[2]; |
| 4823 | s->bdsp.clear_blocks(s->block[0]); |
| 4824 | mb_pos = s->mb_x + s->mb_y * s->mb_width; |
| 4825 | s->current_picture.mb_type[mb_pos] = MB_TYPE_INTRA; |
| 4826 | s->current_picture.qscale_table[mb_pos] = v->pq; |
| 4827 | s->current_picture.motion_val[1][s->block_index[0]][0] = 0; |
| 4828 | s->current_picture.motion_val[1][s->block_index[0]][1] = 0; |
| 4829 | |
| 4830 | // do actual MB decoding and displaying |
| 4831 | cbp = get_vlc2(&v->s.gb, ff_msmp4_mb_i_vlc.table, MB_INTRA_VLC_BITS, 2); |
| 4832 | v->s.ac_pred = get_bits1(&v->s.gb); |
| 4833 | |
| 4834 | for (k = 0; k < 6; k++) { |
| 4835 | val = ((cbp >> (5 - k)) & 1); |
| 4836 | |
| 4837 | if (k < 4) { |
| 4838 | int pred = vc1_coded_block_pred(&v->s, k, &coded_val); |
| 4839 | val = val ^ pred; |
| 4840 | *coded_val = val; |
| 4841 | } |
| 4842 | cbp |= val << (5 - k); |
| 4843 | |
| 4844 | vc1_decode_i_block(v, s->block[k], k, val, (k < 4) ? v->codingset : v->codingset2); |
| 4845 | |
| 4846 | if (k > 3 && (s->flags & CODEC_FLAG_GRAY)) |
| 4847 | continue; |
| 4848 | v->vc1dsp.vc1_inv_trans_8x8(s->block[k]); |
| 4849 | if (v->pq >= 9 && v->overlap) { |
| 4850 | if (v->rangeredfrm) |
| 4851 | for (j = 0; j < 64; j++) |
| 4852 | s->block[k][j] <<= 1; |
| 4853 | s->idsp.put_signed_pixels_clamped(s->block[k], dst[k], |
| 4854 | k & 4 ? s->uvlinesize |
| 4855 | : s->linesize); |
| 4856 | } else { |
| 4857 | if (v->rangeredfrm) |
| 4858 | for (j = 0; j < 64; j++) |
| 4859 | s->block[k][j] = (s->block[k][j] - 64) << 1; |
| 4860 | s->idsp.put_pixels_clamped(s->block[k], dst[k], |
| 4861 | k & 4 ? s->uvlinesize |
| 4862 | : s->linesize); |
| 4863 | } |
| 4864 | } |
| 4865 | |
| 4866 | if (v->pq >= 9 && v->overlap) { |
| 4867 | if (s->mb_x) { |
| 4868 | v->vc1dsp.vc1_h_overlap(s->dest[0], s->linesize); |
| 4869 | v->vc1dsp.vc1_h_overlap(s->dest[0] + 8 * s->linesize, s->linesize); |
| 4870 | if (!(s->flags & CODEC_FLAG_GRAY)) { |
| 4871 | v->vc1dsp.vc1_h_overlap(s->dest[1], s->uvlinesize); |
| 4872 | v->vc1dsp.vc1_h_overlap(s->dest[2], s->uvlinesize); |
| 4873 | } |
| 4874 | } |
| 4875 | v->vc1dsp.vc1_h_overlap(s->dest[0] + 8, s->linesize); |
| 4876 | v->vc1dsp.vc1_h_overlap(s->dest[0] + 8 * s->linesize + 8, s->linesize); |
| 4877 | if (!s->first_slice_line) { |
| 4878 | v->vc1dsp.vc1_v_overlap(s->dest[0], s->linesize); |
| 4879 | v->vc1dsp.vc1_v_overlap(s->dest[0] + 8, s->linesize); |
| 4880 | if (!(s->flags & CODEC_FLAG_GRAY)) { |
| 4881 | v->vc1dsp.vc1_v_overlap(s->dest[1], s->uvlinesize); |
| 4882 | v->vc1dsp.vc1_v_overlap(s->dest[2], s->uvlinesize); |
| 4883 | } |
| 4884 | } |
| 4885 | v->vc1dsp.vc1_v_overlap(s->dest[0] + 8 * s->linesize, s->linesize); |
| 4886 | v->vc1dsp.vc1_v_overlap(s->dest[0] + 8 * s->linesize + 8, s->linesize); |
| 4887 | } |
| 4888 | if (v->s.loop_filter) vc1_loop_filter_iblk(v, v->pq); |
| 4889 | |
| 4890 | if (get_bits_count(&s->gb) > v->bits) { |
| 4891 | ff_er_add_slice(&s->er, 0, 0, s->mb_x, s->mb_y, ER_MB_ERROR); |
| 4892 | av_log(s->avctx, AV_LOG_ERROR, "Bits overconsumption: %i > %i\n", |
| 4893 | get_bits_count(&s->gb), v->bits); |
| 4894 | return; |
| 4895 | } |
| 4896 | } |
| 4897 | if (!v->s.loop_filter) |
| 4898 | ff_mpeg_draw_horiz_band(s, s->mb_y * 16, 16); |
| 4899 | else if (s->mb_y) |
| 4900 | ff_mpeg_draw_horiz_band(s, (s->mb_y - 1) * 16, 16); |
| 4901 | |
| 4902 | s->first_slice_line = 0; |
| 4903 | } |
| 4904 | if (v->s.loop_filter) |
| 4905 | ff_mpeg_draw_horiz_band(s, (s->end_mb_y - 1) * 16, 16); |
| 4906 | |
| 4907 | /* This is intentionally mb_height and not end_mb_y - unlike in advanced |
| 4908 | * profile, these only differ are when decoding MSS2 rectangles. */ |
| 4909 | ff_er_add_slice(&s->er, 0, 0, s->mb_width - 1, s->mb_height - 1, ER_MB_END); |
| 4910 | } |
| 4911 | |
| 4912 | /** Decode blocks of I-frame for advanced profile |
| 4913 | */ |
| 4914 | static void vc1_decode_i_blocks_adv(VC1Context *v) |
| 4915 | { |
| 4916 | int k; |
| 4917 | MpegEncContext *s = &v->s; |
| 4918 | int cbp, val; |
| 4919 | uint8_t *coded_val; |
| 4920 | int mb_pos; |
| 4921 | int mquant = v->pq; |
| 4922 | int mqdiff; |
| 4923 | GetBitContext *gb = &s->gb; |
| 4924 | |
| 4925 | /* select codingmode used for VLC tables selection */ |
| 4926 | switch (v->y_ac_table_index) { |
| 4927 | case 0: |
| 4928 | v->codingset = (v->pqindex <= 8) ? CS_HIGH_RATE_INTRA : CS_LOW_MOT_INTRA; |
| 4929 | break; |
| 4930 | case 1: |
| 4931 | v->codingset = CS_HIGH_MOT_INTRA; |
| 4932 | break; |
| 4933 | case 2: |
| 4934 | v->codingset = CS_MID_RATE_INTRA; |
| 4935 | break; |
| 4936 | } |
| 4937 | |
| 4938 | switch (v->c_ac_table_index) { |
| 4939 | case 0: |
| 4940 | v->codingset2 = (v->pqindex <= 8) ? CS_HIGH_RATE_INTER : CS_LOW_MOT_INTER; |
| 4941 | break; |
| 4942 | case 1: |
| 4943 | v->codingset2 = CS_HIGH_MOT_INTER; |
| 4944 | break; |
| 4945 | case 2: |
| 4946 | v->codingset2 = CS_MID_RATE_INTER; |
| 4947 | break; |
| 4948 | } |
| 4949 | |
| 4950 | // do frame decode |
| 4951 | s->mb_x = s->mb_y = 0; |
| 4952 | s->mb_intra = 1; |
| 4953 | s->first_slice_line = 1; |
| 4954 | s->mb_y = s->start_mb_y; |
| 4955 | if (s->start_mb_y) { |
| 4956 | s->mb_x = 0; |
| 4957 | init_block_index(v); |
| 4958 | memset(&s->coded_block[s->block_index[0] - s->b8_stride], 0, |
| 4959 | (1 + s->b8_stride) * sizeof(*s->coded_block)); |
| 4960 | } |
| 4961 | for (; s->mb_y < s->end_mb_y; s->mb_y++) { |
| 4962 | s->mb_x = 0; |
| 4963 | init_block_index(v); |
| 4964 | for (;s->mb_x < s->mb_width; s->mb_x++) { |
| 4965 | int16_t (*block)[64] = v->block[v->cur_blk_idx]; |
| 4966 | ff_update_block_index(s); |
| 4967 | s->bdsp.clear_blocks(block[0]); |
| 4968 | mb_pos = s->mb_x + s->mb_y * s->mb_stride; |
| 4969 | s->current_picture.mb_type[mb_pos + v->mb_off] = MB_TYPE_INTRA; |
| 4970 | s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0] = 0; |
| 4971 | s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1] = 0; |
| 4972 | |
| 4973 | // do actual MB decoding and displaying |
| 4974 | if (v->fieldtx_is_raw) |
| 4975 | v->fieldtx_plane[mb_pos] = get_bits1(&v->s.gb); |
| 4976 | cbp = get_vlc2(&v->s.gb, ff_msmp4_mb_i_vlc.table, MB_INTRA_VLC_BITS, 2); |
| 4977 | if ( v->acpred_is_raw) |
| 4978 | v->s.ac_pred = get_bits1(&v->s.gb); |
| 4979 | else |
| 4980 | v->s.ac_pred = v->acpred_plane[mb_pos]; |
| 4981 | |
| 4982 | if (v->condover == CONDOVER_SELECT && v->overflg_is_raw) |
| 4983 | v->over_flags_plane[mb_pos] = get_bits1(&v->s.gb); |
| 4984 | |
| 4985 | GET_MQUANT(); |
| 4986 | |
| 4987 | s->current_picture.qscale_table[mb_pos] = mquant; |
| 4988 | /* Set DC scale - y and c use the same */ |
| 4989 | s->y_dc_scale = s->y_dc_scale_table[mquant]; |
| 4990 | s->c_dc_scale = s->c_dc_scale_table[mquant]; |
| 4991 | |
| 4992 | for (k = 0; k < 6; k++) { |
| 4993 | val = ((cbp >> (5 - k)) & 1); |
| 4994 | |
| 4995 | if (k < 4) { |
| 4996 | int pred = vc1_coded_block_pred(&v->s, k, &coded_val); |
| 4997 | val = val ^ pred; |
| 4998 | *coded_val = val; |
| 4999 | } |
| 5000 | cbp |= val << (5 - k); |
| 5001 | |
| 5002 | v->a_avail = !s->first_slice_line || (k == 2 || k == 3); |
| 5003 | v->c_avail = !!s->mb_x || (k == 1 || k == 3); |
| 5004 | |
| 5005 | vc1_decode_i_block_adv(v, block[k], k, val, |
| 5006 | (k < 4) ? v->codingset : v->codingset2, mquant); |
| 5007 | |
| 5008 | if (k > 3 && (s->flags & CODEC_FLAG_GRAY)) |
| 5009 | continue; |
| 5010 | v->vc1dsp.vc1_inv_trans_8x8(block[k]); |
| 5011 | } |
| 5012 | |
| 5013 | vc1_smooth_overlap_filter_iblk(v); |
| 5014 | vc1_put_signed_blocks_clamped(v); |
| 5015 | if (v->s.loop_filter) vc1_loop_filter_iblk_delayed(v, v->pq); |
| 5016 | |
| 5017 | if (get_bits_count(&s->gb) > v->bits) { |
| 5018 | // TODO: may need modification to handle slice coding |
| 5019 | ff_er_add_slice(&s->er, 0, s->start_mb_y, s->mb_x, s->mb_y, ER_MB_ERROR); |
| 5020 | av_log(s->avctx, AV_LOG_ERROR, "Bits overconsumption: %i > %i\n", |
| 5021 | get_bits_count(&s->gb), v->bits); |
| 5022 | return; |
| 5023 | } |
| 5024 | } |
| 5025 | if (!v->s.loop_filter) |
| 5026 | ff_mpeg_draw_horiz_band(s, s->mb_y * 16, 16); |
| 5027 | else if (s->mb_y) |
| 5028 | ff_mpeg_draw_horiz_band(s, (s->mb_y-1) * 16, 16); |
| 5029 | s->first_slice_line = 0; |
| 5030 | } |
| 5031 | |
| 5032 | /* raw bottom MB row */ |
| 5033 | s->mb_x = 0; |
| 5034 | init_block_index(v); |
| 5035 | |
| 5036 | for (;s->mb_x < s->mb_width; s->mb_x++) { |
| 5037 | ff_update_block_index(s); |
| 5038 | vc1_put_signed_blocks_clamped(v); |
| 5039 | if (v->s.loop_filter) |
| 5040 | vc1_loop_filter_iblk_delayed(v, v->pq); |
| 5041 | } |
| 5042 | if (v->s.loop_filter) |
| 5043 | ff_mpeg_draw_horiz_band(s, (s->end_mb_y-1)*16, 16); |
| 5044 | ff_er_add_slice(&s->er, 0, s->start_mb_y << v->field_mode, s->mb_width - 1, |
| 5045 | (s->end_mb_y << v->field_mode) - 1, ER_MB_END); |
| 5046 | } |
| 5047 | |
| 5048 | static void vc1_decode_p_blocks(VC1Context *v) |
| 5049 | { |
| 5050 | MpegEncContext *s = &v->s; |
| 5051 | int apply_loop_filter; |
| 5052 | |
| 5053 | /* select codingmode used for VLC tables selection */ |
| 5054 | switch (v->c_ac_table_index) { |
| 5055 | case 0: |
| 5056 | v->codingset = (v->pqindex <= 8) ? CS_HIGH_RATE_INTRA : CS_LOW_MOT_INTRA; |
| 5057 | break; |
| 5058 | case 1: |
| 5059 | v->codingset = CS_HIGH_MOT_INTRA; |
| 5060 | break; |
| 5061 | case 2: |
| 5062 | v->codingset = CS_MID_RATE_INTRA; |
| 5063 | break; |
| 5064 | } |
| 5065 | |
| 5066 | switch (v->c_ac_table_index) { |
| 5067 | case 0: |
| 5068 | v->codingset2 = (v->pqindex <= 8) ? CS_HIGH_RATE_INTER : CS_LOW_MOT_INTER; |
| 5069 | break; |
| 5070 | case 1: |
| 5071 | v->codingset2 = CS_HIGH_MOT_INTER; |
| 5072 | break; |
| 5073 | case 2: |
| 5074 | v->codingset2 = CS_MID_RATE_INTER; |
| 5075 | break; |
| 5076 | } |
| 5077 | |
| 5078 | apply_loop_filter = s->loop_filter && !(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY) && |
| 5079 | v->fcm == PROGRESSIVE; |
| 5080 | s->first_slice_line = 1; |
| 5081 | memset(v->cbp_base, 0, sizeof(v->cbp_base[0])*2*s->mb_stride); |
| 5082 | for (s->mb_y = s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) { |
| 5083 | s->mb_x = 0; |
| 5084 | init_block_index(v); |
| 5085 | for (; s->mb_x < s->mb_width; s->mb_x++) { |
| 5086 | ff_update_block_index(s); |
| 5087 | |
| 5088 | if (v->fcm == ILACE_FIELD) |
| 5089 | vc1_decode_p_mb_intfi(v); |
| 5090 | else if (v->fcm == ILACE_FRAME) |
| 5091 | vc1_decode_p_mb_intfr(v); |
| 5092 | else vc1_decode_p_mb(v); |
| 5093 | if (s->mb_y != s->start_mb_y && apply_loop_filter) |
| 5094 | vc1_apply_p_loop_filter(v); |
| 5095 | if (get_bits_count(&s->gb) > v->bits || get_bits_count(&s->gb) < 0) { |
| 5096 | // TODO: may need modification to handle slice coding |
| 5097 | ff_er_add_slice(&s->er, 0, s->start_mb_y, s->mb_x, s->mb_y, ER_MB_ERROR); |
| 5098 | av_log(s->avctx, AV_LOG_ERROR, "Bits overconsumption: %i > %i at %ix%i\n", |
| 5099 | get_bits_count(&s->gb), v->bits, s->mb_x, s->mb_y); |
| 5100 | return; |
| 5101 | } |
| 5102 | } |
| 5103 | memmove(v->cbp_base, v->cbp, sizeof(v->cbp_base[0]) * s->mb_stride); |
| 5104 | memmove(v->ttblk_base, v->ttblk, sizeof(v->ttblk_base[0]) * s->mb_stride); |
| 5105 | memmove(v->is_intra_base, v->is_intra, sizeof(v->is_intra_base[0]) * s->mb_stride); |
| 5106 | memmove(v->luma_mv_base, v->luma_mv, sizeof(v->luma_mv_base[0]) * s->mb_stride); |
| 5107 | if (s->mb_y != s->start_mb_y) ff_mpeg_draw_horiz_band(s, (s->mb_y - 1) * 16, 16); |
| 5108 | s->first_slice_line = 0; |
| 5109 | } |
| 5110 | if (apply_loop_filter) { |
| 5111 | s->mb_x = 0; |
| 5112 | init_block_index(v); |
| 5113 | for (; s->mb_x < s->mb_width; s->mb_x++) { |
| 5114 | ff_update_block_index(s); |
| 5115 | vc1_apply_p_loop_filter(v); |
| 5116 | } |
| 5117 | } |
| 5118 | if (s->end_mb_y >= s->start_mb_y) |
| 5119 | ff_mpeg_draw_horiz_band(s, (s->end_mb_y - 1) * 16, 16); |
| 5120 | ff_er_add_slice(&s->er, 0, s->start_mb_y << v->field_mode, s->mb_width - 1, |
| 5121 | (s->end_mb_y << v->field_mode) - 1, ER_MB_END); |
| 5122 | } |
| 5123 | |
| 5124 | static void vc1_decode_b_blocks(VC1Context *v) |
| 5125 | { |
| 5126 | MpegEncContext *s = &v->s; |
| 5127 | |
| 5128 | /* select codingmode used for VLC tables selection */ |
| 5129 | switch (v->c_ac_table_index) { |
| 5130 | case 0: |
| 5131 | v->codingset = (v->pqindex <= 8) ? CS_HIGH_RATE_INTRA : CS_LOW_MOT_INTRA; |
| 5132 | break; |
| 5133 | case 1: |
| 5134 | v->codingset = CS_HIGH_MOT_INTRA; |
| 5135 | break; |
| 5136 | case 2: |
| 5137 | v->codingset = CS_MID_RATE_INTRA; |
| 5138 | break; |
| 5139 | } |
| 5140 | |
| 5141 | switch (v->c_ac_table_index) { |
| 5142 | case 0: |
| 5143 | v->codingset2 = (v->pqindex <= 8) ? CS_HIGH_RATE_INTER : CS_LOW_MOT_INTER; |
| 5144 | break; |
| 5145 | case 1: |
| 5146 | v->codingset2 = CS_HIGH_MOT_INTER; |
| 5147 | break; |
| 5148 | case 2: |
| 5149 | v->codingset2 = CS_MID_RATE_INTER; |
| 5150 | break; |
| 5151 | } |
| 5152 | |
| 5153 | s->first_slice_line = 1; |
| 5154 | for (s->mb_y = s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) { |
| 5155 | s->mb_x = 0; |
| 5156 | init_block_index(v); |
| 5157 | for (; s->mb_x < s->mb_width; s->mb_x++) { |
| 5158 | ff_update_block_index(s); |
| 5159 | |
| 5160 | if (v->fcm == ILACE_FIELD) |
| 5161 | vc1_decode_b_mb_intfi(v); |
| 5162 | else if (v->fcm == ILACE_FRAME) |
| 5163 | vc1_decode_b_mb_intfr(v); |
| 5164 | else |
| 5165 | vc1_decode_b_mb(v); |
| 5166 | if (get_bits_count(&s->gb) > v->bits || get_bits_count(&s->gb) < 0) { |
| 5167 | // TODO: may need modification to handle slice coding |
| 5168 | ff_er_add_slice(&s->er, 0, s->start_mb_y, s->mb_x, s->mb_y, ER_MB_ERROR); |
| 5169 | av_log(s->avctx, AV_LOG_ERROR, "Bits overconsumption: %i > %i at %ix%i\n", |
| 5170 | get_bits_count(&s->gb), v->bits, s->mb_x, s->mb_y); |
| 5171 | return; |
| 5172 | } |
| 5173 | if (v->s.loop_filter) vc1_loop_filter_iblk(v, v->pq); |
| 5174 | } |
| 5175 | if (!v->s.loop_filter) |
| 5176 | ff_mpeg_draw_horiz_band(s, s->mb_y * 16, 16); |
| 5177 | else if (s->mb_y) |
| 5178 | ff_mpeg_draw_horiz_band(s, (s->mb_y - 1) * 16, 16); |
| 5179 | s->first_slice_line = 0; |
| 5180 | } |
| 5181 | if (v->s.loop_filter) |
| 5182 | ff_mpeg_draw_horiz_band(s, (s->end_mb_y - 1) * 16, 16); |
| 5183 | ff_er_add_slice(&s->er, 0, s->start_mb_y << v->field_mode, s->mb_width - 1, |
| 5184 | (s->end_mb_y << v->field_mode) - 1, ER_MB_END); |
| 5185 | } |
| 5186 | |
| 5187 | static void vc1_decode_skip_blocks(VC1Context *v) |
| 5188 | { |
| 5189 | MpegEncContext *s = &v->s; |
| 5190 | |
| 5191 | if (!v->s.last_picture.f->data[0]) |
| 5192 | return; |
| 5193 | |
| 5194 | ff_er_add_slice(&s->er, 0, s->start_mb_y, s->mb_width - 1, s->end_mb_y - 1, ER_MB_END); |
| 5195 | s->first_slice_line = 1; |
| 5196 | for (s->mb_y = s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) { |
| 5197 | s->mb_x = 0; |
| 5198 | init_block_index(v); |
| 5199 | ff_update_block_index(s); |
| 5200 | memcpy(s->dest[0], s->last_picture.f->data[0] + s->mb_y * 16 * s->linesize, s->linesize * 16); |
| 5201 | memcpy(s->dest[1], s->last_picture.f->data[1] + s->mb_y * 8 * s->uvlinesize, s->uvlinesize * 8); |
| 5202 | memcpy(s->dest[2], s->last_picture.f->data[2] + s->mb_y * 8 * s->uvlinesize, s->uvlinesize * 8); |
| 5203 | ff_mpeg_draw_horiz_band(s, s->mb_y * 16, 16); |
| 5204 | s->first_slice_line = 0; |
| 5205 | } |
| 5206 | s->pict_type = AV_PICTURE_TYPE_P; |
| 5207 | } |
| 5208 | |
| 5209 | void ff_vc1_decode_blocks(VC1Context *v) |
| 5210 | { |
| 5211 | |
| 5212 | v->s.esc3_level_length = 0; |
| 5213 | if (v->x8_type) { |
| 5214 | ff_intrax8_decode_picture(&v->x8, 2*v->pq + v->halfpq, v->pq * !v->pquantizer); |
| 5215 | } else { |
| 5216 | v->cur_blk_idx = 0; |
| 5217 | v->left_blk_idx = -1; |
| 5218 | v->topleft_blk_idx = 1; |
| 5219 | v->top_blk_idx = 2; |
| 5220 | switch (v->s.pict_type) { |
| 5221 | case AV_PICTURE_TYPE_I: |
| 5222 | if (v->profile == PROFILE_ADVANCED) |
| 5223 | vc1_decode_i_blocks_adv(v); |
| 5224 | else |
| 5225 | vc1_decode_i_blocks(v); |
| 5226 | break; |
| 5227 | case AV_PICTURE_TYPE_P: |
| 5228 | if (v->p_frame_skipped) |
| 5229 | vc1_decode_skip_blocks(v); |
| 5230 | else |
| 5231 | vc1_decode_p_blocks(v); |
| 5232 | break; |
| 5233 | case AV_PICTURE_TYPE_B: |
| 5234 | if (v->bi_type) { |
| 5235 | if (v->profile == PROFILE_ADVANCED) |
| 5236 | vc1_decode_i_blocks_adv(v); |
| 5237 | else |
| 5238 | vc1_decode_i_blocks(v); |
| 5239 | } else |
| 5240 | vc1_decode_b_blocks(v); |
| 5241 | break; |
| 5242 | } |
| 5243 | } |
| 5244 | } |
| 5245 | |
| 5246 | #if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER |
| 5247 | |
| 5248 | typedef struct { |
| 5249 | /** |
| 5250 | * Transform coefficients for both sprites in 16.16 fixed point format, |
| 5251 | * in the order they appear in the bitstream: |
| 5252 | * x scale |
| 5253 | * rotation 1 (unused) |
| 5254 | * x offset |
| 5255 | * rotation 2 (unused) |
| 5256 | * y scale |
| 5257 | * y offset |
| 5258 | * alpha |
| 5259 | */ |
| 5260 | int coefs[2][7]; |
| 5261 | |
| 5262 | int effect_type, effect_flag; |
| 5263 | int effect_pcount1, effect_pcount2; ///< amount of effect parameters stored in effect_params |
| 5264 | int effect_params1[15], effect_params2[10]; ///< effect parameters in 16.16 fixed point format |
| 5265 | } SpriteData; |
| 5266 | |
| 5267 | static inline int get_fp_val(GetBitContext* gb) |
| 5268 | { |
| 5269 | return (get_bits_long(gb, 30) - (1 << 29)) << 1; |
| 5270 | } |
| 5271 | |
| 5272 | static void vc1_sprite_parse_transform(GetBitContext* gb, int c[7]) |
| 5273 | { |
| 5274 | c[1] = c[3] = 0; |
| 5275 | |
| 5276 | switch (get_bits(gb, 2)) { |
| 5277 | case 0: |
| 5278 | c[0] = 1 << 16; |
| 5279 | c[2] = get_fp_val(gb); |
| 5280 | c[4] = 1 << 16; |
| 5281 | break; |
| 5282 | case 1: |
| 5283 | c[0] = c[4] = get_fp_val(gb); |
| 5284 | c[2] = get_fp_val(gb); |
| 5285 | break; |
| 5286 | case 2: |
| 5287 | c[0] = get_fp_val(gb); |
| 5288 | c[2] = get_fp_val(gb); |
| 5289 | c[4] = get_fp_val(gb); |
| 5290 | break; |
| 5291 | case 3: |
| 5292 | c[0] = get_fp_val(gb); |
| 5293 | c[1] = get_fp_val(gb); |
| 5294 | c[2] = get_fp_val(gb); |
| 5295 | c[3] = get_fp_val(gb); |
| 5296 | c[4] = get_fp_val(gb); |
| 5297 | break; |
| 5298 | } |
| 5299 | c[5] = get_fp_val(gb); |
| 5300 | if (get_bits1(gb)) |
| 5301 | c[6] = get_fp_val(gb); |
| 5302 | else |
| 5303 | c[6] = 1 << 16; |
| 5304 | } |
| 5305 | |
| 5306 | static int vc1_parse_sprites(VC1Context *v, GetBitContext* gb, SpriteData* sd) |
| 5307 | { |
| 5308 | AVCodecContext *avctx = v->s.avctx; |
| 5309 | int sprite, i; |
| 5310 | |
| 5311 | for (sprite = 0; sprite <= v->two_sprites; sprite++) { |
| 5312 | vc1_sprite_parse_transform(gb, sd->coefs[sprite]); |
| 5313 | if (sd->coefs[sprite][1] || sd->coefs[sprite][3]) |
| 5314 | avpriv_request_sample(avctx, "Non-zero rotation coefficients"); |
| 5315 | av_log(avctx, AV_LOG_DEBUG, sprite ? "S2:" : "S1:"); |
| 5316 | for (i = 0; i < 7; i++) |
| 5317 | av_log(avctx, AV_LOG_DEBUG, " %d.%.3d", |
| 5318 | sd->coefs[sprite][i] / (1<<16), |
| 5319 | (abs(sd->coefs[sprite][i]) & 0xFFFF) * 1000 / (1 << 16)); |
| 5320 | av_log(avctx, AV_LOG_DEBUG, "\n"); |
| 5321 | } |
| 5322 | |
| 5323 | skip_bits(gb, 2); |
| 5324 | if (sd->effect_type = get_bits_long(gb, 30)) { |
| 5325 | switch (sd->effect_pcount1 = get_bits(gb, 4)) { |
| 5326 | case 7: |
| 5327 | vc1_sprite_parse_transform(gb, sd->effect_params1); |
| 5328 | break; |
| 5329 | case 14: |
| 5330 | vc1_sprite_parse_transform(gb, sd->effect_params1); |
| 5331 | vc1_sprite_parse_transform(gb, sd->effect_params1 + 7); |
| 5332 | break; |
| 5333 | default: |
| 5334 | for (i = 0; i < sd->effect_pcount1; i++) |
| 5335 | sd->effect_params1[i] = get_fp_val(gb); |
| 5336 | } |
| 5337 | if (sd->effect_type != 13 || sd->effect_params1[0] != sd->coefs[0][6]) { |
| 5338 | // effect 13 is simple alpha blending and matches the opacity above |
| 5339 | av_log(avctx, AV_LOG_DEBUG, "Effect: %d; params: ", sd->effect_type); |
| 5340 | for (i = 0; i < sd->effect_pcount1; i++) |
| 5341 | av_log(avctx, AV_LOG_DEBUG, " %d.%.2d", |
| 5342 | sd->effect_params1[i] / (1 << 16), |
| 5343 | (abs(sd->effect_params1[i]) & 0xFFFF) * 1000 / (1 << 16)); |
| 5344 | av_log(avctx, AV_LOG_DEBUG, "\n"); |
| 5345 | } |
| 5346 | |
| 5347 | sd->effect_pcount2 = get_bits(gb, 16); |
| 5348 | if (sd->effect_pcount2 > 10) { |
| 5349 | av_log(avctx, AV_LOG_ERROR, "Too many effect parameters\n"); |
| 5350 | return AVERROR_INVALIDDATA; |
| 5351 | } else if (sd->effect_pcount2) { |
| 5352 | i = -1; |
| 5353 | av_log(avctx, AV_LOG_DEBUG, "Effect params 2: "); |
| 5354 | while (++i < sd->effect_pcount2) { |
| 5355 | sd->effect_params2[i] = get_fp_val(gb); |
| 5356 | av_log(avctx, AV_LOG_DEBUG, " %d.%.2d", |
| 5357 | sd->effect_params2[i] / (1 << 16), |
| 5358 | (abs(sd->effect_params2[i]) & 0xFFFF) * 1000 / (1 << 16)); |
| 5359 | } |
| 5360 | av_log(avctx, AV_LOG_DEBUG, "\n"); |
| 5361 | } |
| 5362 | } |
| 5363 | if (sd->effect_flag = get_bits1(gb)) |
| 5364 | av_log(avctx, AV_LOG_DEBUG, "Effect flag set\n"); |
| 5365 | |
| 5366 | if (get_bits_count(gb) >= gb->size_in_bits + |
| 5367 | (avctx->codec_id == AV_CODEC_ID_WMV3IMAGE ? 64 : 0)) { |
| 5368 | av_log(avctx, AV_LOG_ERROR, "Buffer overrun\n"); |
| 5369 | return AVERROR_INVALIDDATA; |
| 5370 | } |
| 5371 | if (get_bits_count(gb) < gb->size_in_bits - 8) |
| 5372 | av_log(avctx, AV_LOG_WARNING, "Buffer not fully read\n"); |
| 5373 | |
| 5374 | return 0; |
| 5375 | } |
| 5376 | |
| 5377 | static void vc1_draw_sprites(VC1Context *v, SpriteData* sd) |
| 5378 | { |
| 5379 | int i, plane, row, sprite; |
| 5380 | int sr_cache[2][2] = { { -1, -1 }, { -1, -1 } }; |
| 5381 | uint8_t* src_h[2][2]; |
| 5382 | int xoff[2], xadv[2], yoff[2], yadv[2], alpha; |
| 5383 | int ysub[2]; |
| 5384 | MpegEncContext *s = &v->s; |
| 5385 | |
| 5386 | for (i = 0; i <= v->two_sprites; i++) { |
| 5387 | xoff[i] = av_clip(sd->coefs[i][2], 0, v->sprite_width-1 << 16); |
| 5388 | xadv[i] = sd->coefs[i][0]; |
| 5389 | if (xadv[i] != 1<<16 || (v->sprite_width << 16) - (v->output_width << 16) - xoff[i]) |
| 5390 | xadv[i] = av_clip(xadv[i], 0, ((v->sprite_width<<16) - xoff[i] - 1) / v->output_width); |
| 5391 | |
| 5392 | yoff[i] = av_clip(sd->coefs[i][5], 0, v->sprite_height-1 << 16); |
| 5393 | yadv[i] = av_clip(sd->coefs[i][4], 0, ((v->sprite_height << 16) - yoff[i]) / v->output_height); |
| 5394 | } |
| 5395 | alpha = av_clip(sd->coefs[1][6], 0, (1<<16) - 1); |
| 5396 | |
| 5397 | for (plane = 0; plane < (s->flags&CODEC_FLAG_GRAY ? 1 : 3); plane++) { |
| 5398 | int width = v->output_width>>!!plane; |
| 5399 | |
| 5400 | for (row = 0; row < v->output_height>>!!plane; row++) { |
| 5401 | uint8_t *dst = v->sprite_output_frame->data[plane] + |
| 5402 | v->sprite_output_frame->linesize[plane] * row; |
| 5403 | |
| 5404 | for (sprite = 0; sprite <= v->two_sprites; sprite++) { |
| 5405 | uint8_t *iplane = s->current_picture.f->data[plane]; |
| 5406 | int iline = s->current_picture.f->linesize[plane]; |
| 5407 | int ycoord = yoff[sprite] + yadv[sprite] * row; |
| 5408 | int yline = ycoord >> 16; |
| 5409 | int next_line; |
| 5410 | ysub[sprite] = ycoord & 0xFFFF; |
| 5411 | if (sprite) { |
| 5412 | iplane = s->last_picture.f->data[plane]; |
| 5413 | iline = s->last_picture.f->linesize[plane]; |
| 5414 | } |
| 5415 | next_line = FFMIN(yline + 1, (v->sprite_height >> !!plane) - 1) * iline; |
| 5416 | if (!(xoff[sprite] & 0xFFFF) && xadv[sprite] == 1 << 16) { |
| 5417 | src_h[sprite][0] = iplane + (xoff[sprite] >> 16) + yline * iline; |
| 5418 | if (ysub[sprite]) |
| 5419 | src_h[sprite][1] = iplane + (xoff[sprite] >> 16) + next_line; |
| 5420 | } else { |
| 5421 | if (sr_cache[sprite][0] != yline) { |
| 5422 | if (sr_cache[sprite][1] == yline) { |
| 5423 | FFSWAP(uint8_t*, v->sr_rows[sprite][0], v->sr_rows[sprite][1]); |
| 5424 | FFSWAP(int, sr_cache[sprite][0], sr_cache[sprite][1]); |
| 5425 | } else { |
| 5426 | v->vc1dsp.sprite_h(v->sr_rows[sprite][0], iplane + yline * iline, xoff[sprite], xadv[sprite], width); |
| 5427 | sr_cache[sprite][0] = yline; |
| 5428 | } |
| 5429 | } |
| 5430 | if (ysub[sprite] && sr_cache[sprite][1] != yline + 1) { |
| 5431 | v->vc1dsp.sprite_h(v->sr_rows[sprite][1], |
| 5432 | iplane + next_line, xoff[sprite], |
| 5433 | xadv[sprite], width); |
| 5434 | sr_cache[sprite][1] = yline + 1; |
| 5435 | } |
| 5436 | src_h[sprite][0] = v->sr_rows[sprite][0]; |
| 5437 | src_h[sprite][1] = v->sr_rows[sprite][1]; |
| 5438 | } |
| 5439 | } |
| 5440 | |
| 5441 | if (!v->two_sprites) { |
| 5442 | if (ysub[0]) { |
| 5443 | v->vc1dsp.sprite_v_single(dst, src_h[0][0], src_h[0][1], ysub[0], width); |
| 5444 | } else { |
| 5445 | memcpy(dst, src_h[0][0], width); |
| 5446 | } |
| 5447 | } else { |
| 5448 | if (ysub[0] && ysub[1]) { |
| 5449 | v->vc1dsp.sprite_v_double_twoscale(dst, src_h[0][0], src_h[0][1], ysub[0], |
| 5450 | src_h[1][0], src_h[1][1], ysub[1], alpha, width); |
| 5451 | } else if (ysub[0]) { |
| 5452 | v->vc1dsp.sprite_v_double_onescale(dst, src_h[0][0], src_h[0][1], ysub[0], |
| 5453 | src_h[1][0], alpha, width); |
| 5454 | } else if (ysub[1]) { |
| 5455 | v->vc1dsp.sprite_v_double_onescale(dst, src_h[1][0], src_h[1][1], ysub[1], |
| 5456 | src_h[0][0], (1<<16)-1-alpha, width); |
| 5457 | } else { |
| 5458 | v->vc1dsp.sprite_v_double_noscale(dst, src_h[0][0], src_h[1][0], alpha, width); |
| 5459 | } |
| 5460 | } |
| 5461 | } |
| 5462 | |
| 5463 | if (!plane) { |
| 5464 | for (i = 0; i <= v->two_sprites; i++) { |
| 5465 | xoff[i] >>= 1; |
| 5466 | yoff[i] >>= 1; |
| 5467 | } |
| 5468 | } |
| 5469 | |
| 5470 | } |
| 5471 | } |
| 5472 | |
| 5473 | |
| 5474 | static int vc1_decode_sprites(VC1Context *v, GetBitContext* gb) |
| 5475 | { |
| 5476 | int ret; |
| 5477 | MpegEncContext *s = &v->s; |
| 5478 | AVCodecContext *avctx = s->avctx; |
| 5479 | SpriteData sd; |
| 5480 | |
| 5481 | memset(&sd, 0, sizeof(sd)); |
| 5482 | |
| 5483 | ret = vc1_parse_sprites(v, gb, &sd); |
| 5484 | if (ret < 0) |
| 5485 | return ret; |
| 5486 | |
| 5487 | if (!s->current_picture.f || !s->current_picture.f->data[0]) { |
| 5488 | av_log(avctx, AV_LOG_ERROR, "Got no sprites\n"); |
| 5489 | return -1; |
| 5490 | } |
| 5491 | |
| 5492 | if (v->two_sprites && (!s->last_picture_ptr || !s->last_picture.f->data[0])) { |
| 5493 | av_log(avctx, AV_LOG_WARNING, "Need two sprites, only got one\n"); |
| 5494 | v->two_sprites = 0; |
| 5495 | } |
| 5496 | |
| 5497 | av_frame_unref(v->sprite_output_frame); |
| 5498 | if ((ret = ff_get_buffer(avctx, v->sprite_output_frame, 0)) < 0) |
| 5499 | return ret; |
| 5500 | |
| 5501 | vc1_draw_sprites(v, &sd); |
| 5502 | |
| 5503 | return 0; |
| 5504 | } |
| 5505 | |
| 5506 | static void vc1_sprite_flush(AVCodecContext *avctx) |
| 5507 | { |
| 5508 | VC1Context *v = avctx->priv_data; |
| 5509 | MpegEncContext *s = &v->s; |
| 5510 | AVFrame *f = s->current_picture.f; |
| 5511 | int plane, i; |
| 5512 | |
| 5513 | /* Windows Media Image codecs have a convergence interval of two keyframes. |
| 5514 | Since we can't enforce it, clear to black the missing sprite. This is |
| 5515 | wrong but it looks better than doing nothing. */ |
| 5516 | |
| 5517 | if (f && f->data[0]) |
| 5518 | for (plane = 0; plane < (s->flags&CODEC_FLAG_GRAY ? 1 : 3); plane++) |
| 5519 | for (i = 0; i < v->sprite_height>>!!plane; i++) |
| 5520 | memset(f->data[plane] + i * f->linesize[plane], |
| 5521 | plane ? 128 : 0, f->linesize[plane]); |
| 5522 | } |
| 5523 | |
| 5524 | #endif |
| 5525 | |
| 5526 | av_cold int ff_vc1_decode_init_alloc_tables(VC1Context *v) |
| 5527 | { |
| 5528 | MpegEncContext *s = &v->s; |
| 5529 | int i; |
| 5530 | int mb_height = FFALIGN(s->mb_height, 2); |
| 5531 | |
| 5532 | /* Allocate mb bitplanes */ |
| 5533 | v->mv_type_mb_plane = av_malloc (s->mb_stride * mb_height); |
| 5534 | v->direct_mb_plane = av_malloc (s->mb_stride * mb_height); |
| 5535 | v->forward_mb_plane = av_malloc (s->mb_stride * mb_height); |
| 5536 | v->fieldtx_plane = av_mallocz(s->mb_stride * mb_height); |
| 5537 | v->acpred_plane = av_malloc (s->mb_stride * mb_height); |
| 5538 | v->over_flags_plane = av_malloc (s->mb_stride * mb_height); |
| 5539 | |
| 5540 | v->n_allocated_blks = s->mb_width + 2; |
| 5541 | v->block = av_malloc(sizeof(*v->block) * v->n_allocated_blks); |
| 5542 | v->cbp_base = av_malloc(sizeof(v->cbp_base[0]) * 2 * s->mb_stride); |
| 5543 | v->cbp = v->cbp_base + s->mb_stride; |
| 5544 | v->ttblk_base = av_malloc(sizeof(v->ttblk_base[0]) * 2 * s->mb_stride); |
| 5545 | v->ttblk = v->ttblk_base + s->mb_stride; |
| 5546 | v->is_intra_base = av_mallocz(sizeof(v->is_intra_base[0]) * 2 * s->mb_stride); |
| 5547 | v->is_intra = v->is_intra_base + s->mb_stride; |
| 5548 | v->luma_mv_base = av_mallocz(sizeof(v->luma_mv_base[0]) * 2 * s->mb_stride); |
| 5549 | v->luma_mv = v->luma_mv_base + s->mb_stride; |
| 5550 | |
| 5551 | /* allocate block type info in that way so it could be used with s->block_index[] */ |
| 5552 | v->mb_type_base = av_malloc(s->b8_stride * (mb_height * 2 + 1) + s->mb_stride * (mb_height + 1) * 2); |
| 5553 | v->mb_type[0] = v->mb_type_base + s->b8_stride + 1; |
| 5554 | v->mb_type[1] = v->mb_type_base + s->b8_stride * (mb_height * 2 + 1) + s->mb_stride + 1; |
| 5555 | v->mb_type[2] = v->mb_type[1] + s->mb_stride * (mb_height + 1); |
| 5556 | |
| 5557 | /* allocate memory to store block level MV info */ |
| 5558 | v->blk_mv_type_base = av_mallocz( s->b8_stride * (mb_height * 2 + 1) + s->mb_stride * (mb_height + 1) * 2); |
| 5559 | v->blk_mv_type = v->blk_mv_type_base + s->b8_stride + 1; |
| 5560 | v->mv_f_base = av_mallocz(2 * (s->b8_stride * (mb_height * 2 + 1) + s->mb_stride * (mb_height + 1) * 2)); |
| 5561 | v->mv_f[0] = v->mv_f_base + s->b8_stride + 1; |
| 5562 | v->mv_f[1] = v->mv_f[0] + (s->b8_stride * (mb_height * 2 + 1) + s->mb_stride * (mb_height + 1) * 2); |
| 5563 | v->mv_f_next_base = av_mallocz(2 * (s->b8_stride * (mb_height * 2 + 1) + s->mb_stride * (mb_height + 1) * 2)); |
| 5564 | v->mv_f_next[0] = v->mv_f_next_base + s->b8_stride + 1; |
| 5565 | v->mv_f_next[1] = v->mv_f_next[0] + (s->b8_stride * (mb_height * 2 + 1) + s->mb_stride * (mb_height + 1) * 2); |
| 5566 | |
| 5567 | /* Init coded blocks info */ |
| 5568 | if (v->profile == PROFILE_ADVANCED) { |
| 5569 | // if (alloc_bitplane(&v->over_flags_plane, s->mb_width, s->mb_height) < 0) |
| 5570 | // return -1; |
| 5571 | // if (alloc_bitplane(&v->ac_pred_plane, s->mb_width, s->mb_height) < 0) |
| 5572 | // return -1; |
| 5573 | } |
| 5574 | |
| 5575 | ff_intrax8_common_init(&v->x8,s); |
| 5576 | |
| 5577 | if (s->avctx->codec_id == AV_CODEC_ID_WMV3IMAGE || s->avctx->codec_id == AV_CODEC_ID_VC1IMAGE) { |
| 5578 | for (i = 0; i < 4; i++) |
| 5579 | if (!(v->sr_rows[i >> 1][i & 1] = av_malloc(v->output_width))) |
| 5580 | return AVERROR(ENOMEM); |
| 5581 | } |
| 5582 | |
| 5583 | if (!v->mv_type_mb_plane || !v->direct_mb_plane || !v->acpred_plane || !v->over_flags_plane || |
| 5584 | !v->block || !v->cbp_base || !v->ttblk_base || !v->is_intra_base || !v->luma_mv_base || |
| 5585 | !v->mb_type_base) { |
| 5586 | av_freep(&v->mv_type_mb_plane); |
| 5587 | av_freep(&v->direct_mb_plane); |
| 5588 | av_freep(&v->acpred_plane); |
| 5589 | av_freep(&v->over_flags_plane); |
| 5590 | av_freep(&v->block); |
| 5591 | av_freep(&v->cbp_base); |
| 5592 | av_freep(&v->ttblk_base); |
| 5593 | av_freep(&v->is_intra_base); |
| 5594 | av_freep(&v->luma_mv_base); |
| 5595 | av_freep(&v->mb_type_base); |
| 5596 | return AVERROR(ENOMEM); |
| 5597 | } |
| 5598 | |
| 5599 | return 0; |
| 5600 | } |
| 5601 | |
| 5602 | av_cold void ff_vc1_init_transposed_scantables(VC1Context *v) |
| 5603 | { |
| 5604 | int i; |
| 5605 | for (i = 0; i < 64; i++) { |
| 5606 | #define transpose(x) (((x) >> 3) | (((x) & 7) << 3)) |
| 5607 | v->zz_8x8[0][i] = transpose(ff_wmv1_scantable[0][i]); |
| 5608 | v->zz_8x8[1][i] = transpose(ff_wmv1_scantable[1][i]); |
| 5609 | v->zz_8x8[2][i] = transpose(ff_wmv1_scantable[2][i]); |
| 5610 | v->zz_8x8[3][i] = transpose(ff_wmv1_scantable[3][i]); |
| 5611 | v->zzi_8x8[i] = transpose(ff_vc1_adv_interlaced_8x8_zz[i]); |
| 5612 | } |
| 5613 | v->left_blk_sh = 0; |
| 5614 | v->top_blk_sh = 3; |
| 5615 | } |
| 5616 | |
| 5617 | /** Initialize a VC1/WMV3 decoder |
| 5618 | * @todo TODO: Handle VC-1 IDUs (Transport level?) |
| 5619 | * @todo TODO: Decypher remaining bits in extra_data |
| 5620 | */ |
| 5621 | static av_cold int vc1_decode_init(AVCodecContext *avctx) |
| 5622 | { |
| 5623 | VC1Context *v = avctx->priv_data; |
| 5624 | MpegEncContext *s = &v->s; |
| 5625 | GetBitContext gb; |
| 5626 | int ret; |
| 5627 | |
| 5628 | /* save the container output size for WMImage */ |
| 5629 | v->output_width = avctx->width; |
| 5630 | v->output_height = avctx->height; |
| 5631 | |
| 5632 | if (!avctx->extradata_size || !avctx->extradata) |
| 5633 | return -1; |
| 5634 | if (!(avctx->flags & CODEC_FLAG_GRAY)) |
| 5635 | avctx->pix_fmt = ff_get_format(avctx, avctx->codec->pix_fmts); |
| 5636 | else |
| 5637 | avctx->pix_fmt = AV_PIX_FMT_GRAY8; |
| 5638 | v->s.avctx = avctx; |
| 5639 | |
| 5640 | if ((ret = ff_vc1_init_common(v)) < 0) |
| 5641 | return ret; |
| 5642 | // ensure static VLC tables are initialized |
| 5643 | if ((ret = ff_msmpeg4_decode_init(avctx)) < 0) |
| 5644 | return ret; |
| 5645 | if ((ret = ff_vc1_decode_init_alloc_tables(v)) < 0) |
| 5646 | return ret; |
| 5647 | // Hack to ensure the above functions will be called |
| 5648 | // again once we know all necessary settings. |
| 5649 | // That this is necessary might indicate a bug. |
| 5650 | ff_vc1_decode_end(avctx); |
| 5651 | |
| 5652 | ff_blockdsp_init(&s->bdsp, avctx); |
| 5653 | ff_h264chroma_init(&v->h264chroma, 8); |
| 5654 | ff_qpeldsp_init(&s->qdsp); |
| 5655 | |
| 5656 | if (avctx->codec_id == AV_CODEC_ID_WMV3 || avctx->codec_id == AV_CODEC_ID_WMV3IMAGE) { |
| 5657 | int count = 0; |
| 5658 | |
| 5659 | // looks like WMV3 has a sequence header stored in the extradata |
| 5660 | // advanced sequence header may be before the first frame |
| 5661 | // the last byte of the extradata is a version number, 1 for the |
| 5662 | // samples we can decode |
| 5663 | |
| 5664 | init_get_bits(&gb, avctx->extradata, avctx->extradata_size*8); |
| 5665 | |
| 5666 | if ((ret = ff_vc1_decode_sequence_header(avctx, v, &gb)) < 0) |
| 5667 | return ret; |
| 5668 | |
| 5669 | count = avctx->extradata_size*8 - get_bits_count(&gb); |
| 5670 | if (count > 0) { |
| 5671 | av_log(avctx, AV_LOG_INFO, "Extra data: %i bits left, value: %X\n", |
| 5672 | count, get_bits(&gb, count)); |
| 5673 | } else if (count < 0) { |
| 5674 | av_log(avctx, AV_LOG_INFO, "Read %i bits in overflow\n", -count); |
| 5675 | } |
| 5676 | } else { // VC1/WVC1/WVP2 |
| 5677 | const uint8_t *start = avctx->extradata; |
| 5678 | uint8_t *end = avctx->extradata + avctx->extradata_size; |
| 5679 | const uint8_t *next; |
| 5680 | int size, buf2_size; |
| 5681 | uint8_t *buf2 = NULL; |
| 5682 | int seq_initialized = 0, ep_initialized = 0; |
| 5683 | |
| 5684 | if (avctx->extradata_size < 16) { |
| 5685 | av_log(avctx, AV_LOG_ERROR, "Extradata size too small: %i\n", avctx->extradata_size); |
| 5686 | return -1; |
| 5687 | } |
| 5688 | |
| 5689 | buf2 = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); |
| 5690 | start = find_next_marker(start, end); // in WVC1 extradata first byte is its size, but can be 0 in mkv |
| 5691 | next = start; |
| 5692 | for (; next < end; start = next) { |
| 5693 | next = find_next_marker(start + 4, end); |
| 5694 | size = next - start - 4; |
| 5695 | if (size <= 0) |
| 5696 | continue; |
| 5697 | buf2_size = vc1_unescape_buffer(start + 4, size, buf2); |
| 5698 | init_get_bits(&gb, buf2, buf2_size * 8); |
| 5699 | switch (AV_RB32(start)) { |
| 5700 | case VC1_CODE_SEQHDR: |
| 5701 | if ((ret = ff_vc1_decode_sequence_header(avctx, v, &gb)) < 0) { |
| 5702 | av_free(buf2); |
| 5703 | return ret; |
| 5704 | } |
| 5705 | seq_initialized = 1; |
| 5706 | break; |
| 5707 | case VC1_CODE_ENTRYPOINT: |
| 5708 | if ((ret = ff_vc1_decode_entry_point(avctx, v, &gb)) < 0) { |
| 5709 | av_free(buf2); |
| 5710 | return ret; |
| 5711 | } |
| 5712 | ep_initialized = 1; |
| 5713 | break; |
| 5714 | } |
| 5715 | } |
| 5716 | av_free(buf2); |
| 5717 | if (!seq_initialized || !ep_initialized) { |
| 5718 | av_log(avctx, AV_LOG_ERROR, "Incomplete extradata\n"); |
| 5719 | return -1; |
| 5720 | } |
| 5721 | v->res_sprite = (avctx->codec_id == AV_CODEC_ID_VC1IMAGE); |
| 5722 | } |
| 5723 | |
| 5724 | v->sprite_output_frame = av_frame_alloc(); |
| 5725 | if (!v->sprite_output_frame) |
| 5726 | return AVERROR(ENOMEM); |
| 5727 | |
| 5728 | avctx->profile = v->profile; |
| 5729 | if (v->profile == PROFILE_ADVANCED) |
| 5730 | avctx->level = v->level; |
| 5731 | |
| 5732 | avctx->has_b_frames = !!avctx->max_b_frames; |
| 5733 | |
| 5734 | s->mb_width = (avctx->coded_width + 15) >> 4; |
| 5735 | s->mb_height = (avctx->coded_height + 15) >> 4; |
| 5736 | |
| 5737 | if (v->profile == PROFILE_ADVANCED || v->res_fasttx) { |
| 5738 | ff_vc1_init_transposed_scantables(v); |
| 5739 | } else { |
| 5740 | memcpy(v->zz_8x8, ff_wmv1_scantable, 4*64); |
| 5741 | v->left_blk_sh = 3; |
| 5742 | v->top_blk_sh = 0; |
| 5743 | } |
| 5744 | |
| 5745 | if (avctx->codec_id == AV_CODEC_ID_WMV3IMAGE || avctx->codec_id == AV_CODEC_ID_VC1IMAGE) { |
| 5746 | v->sprite_width = avctx->coded_width; |
| 5747 | v->sprite_height = avctx->coded_height; |
| 5748 | |
| 5749 | avctx->coded_width = avctx->width = v->output_width; |
| 5750 | avctx->coded_height = avctx->height = v->output_height; |
| 5751 | |
| 5752 | // prevent 16.16 overflows |
| 5753 | if (v->sprite_width > 1 << 14 || |
| 5754 | v->sprite_height > 1 << 14 || |
| 5755 | v->output_width > 1 << 14 || |
| 5756 | v->output_height > 1 << 14) return -1; |
| 5757 | |
| 5758 | if ((v->sprite_width&1) || (v->sprite_height&1)) { |
| 5759 | avpriv_request_sample(avctx, "odd sprites support"); |
| 5760 | return AVERROR_PATCHWELCOME; |
| 5761 | } |
| 5762 | } |
| 5763 | return 0; |
| 5764 | } |
| 5765 | |
| 5766 | /** Close a VC1/WMV3 decoder |
| 5767 | * @warning Initial try at using MpegEncContext stuff |
| 5768 | */ |
| 5769 | av_cold int ff_vc1_decode_end(AVCodecContext *avctx) |
| 5770 | { |
| 5771 | VC1Context *v = avctx->priv_data; |
| 5772 | int i; |
| 5773 | |
| 5774 | av_frame_free(&v->sprite_output_frame); |
| 5775 | |
| 5776 | for (i = 0; i < 4; i++) |
| 5777 | av_freep(&v->sr_rows[i >> 1][i & 1]); |
| 5778 | av_freep(&v->hrd_rate); |
| 5779 | av_freep(&v->hrd_buffer); |
| 5780 | ff_mpv_common_end(&v->s); |
| 5781 | av_freep(&v->mv_type_mb_plane); |
| 5782 | av_freep(&v->direct_mb_plane); |
| 5783 | av_freep(&v->forward_mb_plane); |
| 5784 | av_freep(&v->fieldtx_plane); |
| 5785 | av_freep(&v->acpred_plane); |
| 5786 | av_freep(&v->over_flags_plane); |
| 5787 | av_freep(&v->mb_type_base); |
| 5788 | av_freep(&v->blk_mv_type_base); |
| 5789 | av_freep(&v->mv_f_base); |
| 5790 | av_freep(&v->mv_f_next_base); |
| 5791 | av_freep(&v->block); |
| 5792 | av_freep(&v->cbp_base); |
| 5793 | av_freep(&v->ttblk_base); |
| 5794 | av_freep(&v->is_intra_base); // FIXME use v->mb_type[] |
| 5795 | av_freep(&v->luma_mv_base); |
| 5796 | ff_intrax8_common_end(&v->x8); |
| 5797 | return 0; |
| 5798 | } |
| 5799 | |
| 5800 | |
| 5801 | /** Decode a VC1/WMV3 frame |
| 5802 | * @todo TODO: Handle VC-1 IDUs (Transport level?) |
| 5803 | */ |
| 5804 | static int vc1_decode_frame(AVCodecContext *avctx, void *data, |
| 5805 | int *got_frame, AVPacket *avpkt) |
| 5806 | { |
| 5807 | const uint8_t *buf = avpkt->data; |
| 5808 | int buf_size = avpkt->size, n_slices = 0, i, ret; |
| 5809 | VC1Context *v = avctx->priv_data; |
| 5810 | MpegEncContext *s = &v->s; |
| 5811 | AVFrame *pict = data; |
| 5812 | uint8_t *buf2 = NULL; |
| 5813 | const uint8_t *buf_start = buf, *buf_start_second_field = NULL; |
| 5814 | int mb_height, n_slices1=-1; |
| 5815 | struct { |
| 5816 | uint8_t *buf; |
| 5817 | GetBitContext gb; |
| 5818 | int mby_start; |
| 5819 | } *slices = NULL, *tmp; |
| 5820 | |
| 5821 | v->second_field = 0; |
| 5822 | |
| 5823 | if(s->flags & CODEC_FLAG_LOW_DELAY) |
| 5824 | s->low_delay = 1; |
| 5825 | |
| 5826 | /* no supplementary picture */ |
| 5827 | if (buf_size == 0 || (buf_size == 4 && AV_RB32(buf) == VC1_CODE_ENDOFSEQ)) { |
| 5828 | /* special case for last picture */ |
| 5829 | if (s->low_delay == 0 && s->next_picture_ptr) { |
| 5830 | if ((ret = av_frame_ref(pict, s->next_picture_ptr->f)) < 0) |
| 5831 | return ret; |
| 5832 | s->next_picture_ptr = NULL; |
| 5833 | |
| 5834 | *got_frame = 1; |
| 5835 | } |
| 5836 | |
| 5837 | return buf_size; |
| 5838 | } |
| 5839 | |
| 5840 | if (s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) { |
| 5841 | if (v->profile < PROFILE_ADVANCED) |
| 5842 | avctx->pix_fmt = AV_PIX_FMT_VDPAU_WMV3; |
| 5843 | else |
| 5844 | avctx->pix_fmt = AV_PIX_FMT_VDPAU_VC1; |
| 5845 | } |
| 5846 | |
| 5847 | //for advanced profile we may need to parse and unescape data |
| 5848 | if (avctx->codec_id == AV_CODEC_ID_VC1 || avctx->codec_id == AV_CODEC_ID_VC1IMAGE) { |
| 5849 | int buf_size2 = 0; |
| 5850 | buf2 = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE); |
| 5851 | if (!buf2) |
| 5852 | return AVERROR(ENOMEM); |
| 5853 | |
| 5854 | if (IS_MARKER(AV_RB32(buf))) { /* frame starts with marker and needs to be parsed */ |
| 5855 | const uint8_t *start, *end, *next; |
| 5856 | int size; |
| 5857 | |
| 5858 | next = buf; |
| 5859 | for (start = buf, end = buf + buf_size; next < end; start = next) { |
| 5860 | next = find_next_marker(start + 4, end); |
| 5861 | size = next - start - 4; |
| 5862 | if (size <= 0) continue; |
| 5863 | switch (AV_RB32(start)) { |
| 5864 | case VC1_CODE_FRAME: |
| 5865 | if (avctx->hwaccel || |
| 5866 | s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) |
| 5867 | buf_start = start; |
| 5868 | buf_size2 = vc1_unescape_buffer(start + 4, size, buf2); |
| 5869 | break; |
| 5870 | case VC1_CODE_FIELD: { |
| 5871 | int buf_size3; |
| 5872 | if (avctx->hwaccel || |
| 5873 | s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) |
| 5874 | buf_start_second_field = start; |
| 5875 | tmp = av_realloc_array(slices, sizeof(*slices), (n_slices+1)); |
| 5876 | if (!tmp) |
| 5877 | goto err; |
| 5878 | slices = tmp; |
| 5879 | slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE); |
| 5880 | if (!slices[n_slices].buf) |
| 5881 | goto err; |
| 5882 | buf_size3 = vc1_unescape_buffer(start + 4, size, |
| 5883 | slices[n_slices].buf); |
| 5884 | init_get_bits(&slices[n_slices].gb, slices[n_slices].buf, |
| 5885 | buf_size3 << 3); |
| 5886 | /* assuming that the field marker is at the exact middle, |
| 5887 | hope it's correct */ |
| 5888 | slices[n_slices].mby_start = s->mb_height + 1 >> 1; |
| 5889 | n_slices1 = n_slices - 1; // index of the last slice of the first field |
| 5890 | n_slices++; |
| 5891 | break; |
| 5892 | } |
| 5893 | case VC1_CODE_ENTRYPOINT: /* it should be before frame data */ |
| 5894 | buf_size2 = vc1_unescape_buffer(start + 4, size, buf2); |
| 5895 | init_get_bits(&s->gb, buf2, buf_size2 * 8); |
| 5896 | ff_vc1_decode_entry_point(avctx, v, &s->gb); |
| 5897 | break; |
| 5898 | case VC1_CODE_SLICE: { |
| 5899 | int buf_size3; |
| 5900 | tmp = av_realloc_array(slices, sizeof(*slices), (n_slices+1)); |
| 5901 | if (!tmp) |
| 5902 | goto err; |
| 5903 | slices = tmp; |
| 5904 | slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE); |
| 5905 | if (!slices[n_slices].buf) |
| 5906 | goto err; |
| 5907 | buf_size3 = vc1_unescape_buffer(start + 4, size, |
| 5908 | slices[n_slices].buf); |
| 5909 | init_get_bits(&slices[n_slices].gb, slices[n_slices].buf, |
| 5910 | buf_size3 << 3); |
| 5911 | slices[n_slices].mby_start = get_bits(&slices[n_slices].gb, 9); |
| 5912 | n_slices++; |
| 5913 | break; |
| 5914 | } |
| 5915 | } |
| 5916 | } |
| 5917 | } else if (v->interlace && ((buf[0] & 0xC0) == 0xC0)) { /* WVC1 interlaced stores both fields divided by marker */ |
| 5918 | const uint8_t *divider; |
| 5919 | int buf_size3; |
| 5920 | |
| 5921 | divider = find_next_marker(buf, buf + buf_size); |
| 5922 | if ((divider == (buf + buf_size)) || AV_RB32(divider) != VC1_CODE_FIELD) { |
| 5923 | av_log(avctx, AV_LOG_ERROR, "Error in WVC1 interlaced frame\n"); |
| 5924 | goto err; |
| 5925 | } else { // found field marker, unescape second field |
| 5926 | if (avctx->hwaccel || |
| 5927 | s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) |
| 5928 | buf_start_second_field = divider; |
| 5929 | tmp = av_realloc_array(slices, sizeof(*slices), (n_slices+1)); |
| 5930 | if (!tmp) |
| 5931 | goto err; |
| 5932 | slices = tmp; |
| 5933 | slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE); |
| 5934 | if (!slices[n_slices].buf) |
| 5935 | goto err; |
| 5936 | buf_size3 = vc1_unescape_buffer(divider + 4, buf + buf_size - divider - 4, slices[n_slices].buf); |
| 5937 | init_get_bits(&slices[n_slices].gb, slices[n_slices].buf, |
| 5938 | buf_size3 << 3); |
| 5939 | slices[n_slices].mby_start = s->mb_height + 1 >> 1; |
| 5940 | n_slices1 = n_slices - 1; |
| 5941 | n_slices++; |
| 5942 | } |
| 5943 | buf_size2 = vc1_unescape_buffer(buf, divider - buf, buf2); |
| 5944 | } else { |
| 5945 | buf_size2 = vc1_unescape_buffer(buf, buf_size, buf2); |
| 5946 | } |
| 5947 | init_get_bits(&s->gb, buf2, buf_size2*8); |
| 5948 | } else |
| 5949 | init_get_bits(&s->gb, buf, buf_size*8); |
| 5950 | |
| 5951 | if (v->res_sprite) { |
| 5952 | v->new_sprite = !get_bits1(&s->gb); |
| 5953 | v->two_sprites = get_bits1(&s->gb); |
| 5954 | /* res_sprite means a Windows Media Image stream, AV_CODEC_ID_*IMAGE means |
| 5955 | we're using the sprite compositor. These are intentionally kept separate |
| 5956 | so you can get the raw sprites by using the wmv3 decoder for WMVP or |
| 5957 | the vc1 one for WVP2 */ |
| 5958 | if (avctx->codec_id == AV_CODEC_ID_WMV3IMAGE || avctx->codec_id == AV_CODEC_ID_VC1IMAGE) { |
| 5959 | if (v->new_sprite) { |
| 5960 | // switch AVCodecContext parameters to those of the sprites |
| 5961 | avctx->width = avctx->coded_width = v->sprite_width; |
| 5962 | avctx->height = avctx->coded_height = v->sprite_height; |
| 5963 | } else { |
| 5964 | goto image; |
| 5965 | } |
| 5966 | } |
| 5967 | } |
| 5968 | |
| 5969 | if (s->context_initialized && |
| 5970 | (s->width != avctx->coded_width || |
| 5971 | s->height != avctx->coded_height)) { |
| 5972 | ff_vc1_decode_end(avctx); |
| 5973 | } |
| 5974 | |
| 5975 | if (!s->context_initialized) { |
| 5976 | if (ff_msmpeg4_decode_init(avctx) < 0) |
| 5977 | goto err; |
| 5978 | if (ff_vc1_decode_init_alloc_tables(v) < 0) { |
| 5979 | ff_mpv_common_end(s); |
| 5980 | goto err; |
| 5981 | } |
| 5982 | |
| 5983 | s->low_delay = !avctx->has_b_frames || v->res_sprite; |
| 5984 | |
| 5985 | if (v->profile == PROFILE_ADVANCED) { |
| 5986 | if(avctx->coded_width<=1 || avctx->coded_height<=1) |
| 5987 | goto err; |
| 5988 | s->h_edge_pos = avctx->coded_width; |
| 5989 | s->v_edge_pos = avctx->coded_height; |
| 5990 | } |
| 5991 | } |
| 5992 | |
| 5993 | // do parse frame header |
| 5994 | v->pic_header_flag = 0; |
| 5995 | v->first_pic_header_flag = 1; |
| 5996 | if (v->profile < PROFILE_ADVANCED) { |
| 5997 | if (ff_vc1_parse_frame_header(v, &s->gb) < 0) { |
| 5998 | goto err; |
| 5999 | } |
| 6000 | } else { |
| 6001 | if (ff_vc1_parse_frame_header_adv(v, &s->gb) < 0) { |
| 6002 | goto err; |
| 6003 | } |
| 6004 | } |
| 6005 | v->first_pic_header_flag = 0; |
| 6006 | |
| 6007 | if (avctx->debug & FF_DEBUG_PICT_INFO) |
| 6008 | av_log(v->s.avctx, AV_LOG_DEBUG, "pict_type: %c\n", av_get_picture_type_char(s->pict_type)); |
| 6009 | |
| 6010 | if ((avctx->codec_id == AV_CODEC_ID_WMV3IMAGE || avctx->codec_id == AV_CODEC_ID_VC1IMAGE) |
| 6011 | && s->pict_type != AV_PICTURE_TYPE_I) { |
| 6012 | av_log(v->s.avctx, AV_LOG_ERROR, "Sprite decoder: expected I-frame\n"); |
| 6013 | goto err; |
| 6014 | } |
| 6015 | |
| 6016 | if ((s->mb_height >> v->field_mode) == 0) { |
| 6017 | av_log(v->s.avctx, AV_LOG_ERROR, "image too short\n"); |
| 6018 | goto err; |
| 6019 | } |
| 6020 | |
| 6021 | // for skipping the frame |
| 6022 | s->current_picture.f->pict_type = s->pict_type; |
| 6023 | s->current_picture.f->key_frame = s->pict_type == AV_PICTURE_TYPE_I; |
| 6024 | |
| 6025 | /* skip B-frames if we don't have reference frames */ |
| 6026 | if (!s->last_picture_ptr && (s->pict_type == AV_PICTURE_TYPE_B || s->droppable)) { |
| 6027 | av_log(v->s.avctx, AV_LOG_DEBUG, "Skipping B frame without reference frames\n"); |
| 6028 | goto end; |
| 6029 | } |
| 6030 | if ((avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B) || |
| 6031 | (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I) || |
| 6032 | avctx->skip_frame >= AVDISCARD_ALL) { |
| 6033 | goto end; |
| 6034 | } |
| 6035 | |
| 6036 | if (s->next_p_frame_damaged) { |
| 6037 | if (s->pict_type == AV_PICTURE_TYPE_B) |
| 6038 | goto end; |
| 6039 | else |
| 6040 | s->next_p_frame_damaged = 0; |
| 6041 | } |
| 6042 | |
| 6043 | if (ff_mpv_frame_start(s, avctx) < 0) { |
| 6044 | goto err; |
| 6045 | } |
| 6046 | |
| 6047 | v->s.current_picture_ptr->field_picture = v->field_mode; |
| 6048 | v->s.current_picture_ptr->f->interlaced_frame = (v->fcm != PROGRESSIVE); |
| 6049 | v->s.current_picture_ptr->f->top_field_first = v->tff; |
| 6050 | |
| 6051 | // process pulldown flags |
| 6052 | s->current_picture_ptr->f->repeat_pict = 0; |
| 6053 | // Pulldown flags are only valid when 'broadcast' has been set. |
| 6054 | // So ticks_per_frame will be 2 |
| 6055 | if (v->rff) { |
| 6056 | // repeat field |
| 6057 | s->current_picture_ptr->f->repeat_pict = 1; |
| 6058 | } else if (v->rptfrm) { |
| 6059 | // repeat frames |
| 6060 | s->current_picture_ptr->f->repeat_pict = v->rptfrm * 2; |
| 6061 | } |
| 6062 | |
| 6063 | s->me.qpel_put = s->qdsp.put_qpel_pixels_tab; |
| 6064 | s->me.qpel_avg = s->qdsp.avg_qpel_pixels_tab; |
| 6065 | |
| 6066 | if ((CONFIG_VC1_VDPAU_DECODER) |
| 6067 | &&s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) { |
| 6068 | if (v->field_mode && buf_start_second_field) { |
| 6069 | ff_vdpau_vc1_decode_picture(s, buf_start, buf_start_second_field - buf_start); |
| 6070 | ff_vdpau_vc1_decode_picture(s, buf_start_second_field, (buf + buf_size) - buf_start_second_field); |
| 6071 | } else { |
| 6072 | ff_vdpau_vc1_decode_picture(s, buf_start, (buf + buf_size) - buf_start); |
| 6073 | } |
| 6074 | } else if (avctx->hwaccel) { |
| 6075 | if (v->field_mode && buf_start_second_field) { |
| 6076 | // decode first field |
| 6077 | s->picture_structure = PICT_BOTTOM_FIELD - v->tff; |
| 6078 | if (avctx->hwaccel->start_frame(avctx, buf_start, buf_start_second_field - buf_start) < 0) |
| 6079 | goto err; |
| 6080 | if (avctx->hwaccel->decode_slice(avctx, buf_start, buf_start_second_field - buf_start) < 0) |
| 6081 | goto err; |
| 6082 | if (avctx->hwaccel->end_frame(avctx) < 0) |
| 6083 | goto err; |
| 6084 | |
| 6085 | // decode second field |
| 6086 | s->gb = slices[n_slices1 + 1].gb; |
| 6087 | s->picture_structure = PICT_TOP_FIELD + v->tff; |
| 6088 | v->second_field = 1; |
| 6089 | v->pic_header_flag = 0; |
| 6090 | if (ff_vc1_parse_frame_header_adv(v, &s->gb) < 0) { |
| 6091 | av_log(avctx, AV_LOG_ERROR, "parsing header for second field failed"); |
| 6092 | goto err; |
| 6093 | } |
| 6094 | v->s.current_picture_ptr->f->pict_type = v->s.pict_type; |
| 6095 | |
| 6096 | if (avctx->hwaccel->start_frame(avctx, buf_start_second_field, (buf + buf_size) - buf_start_second_field) < 0) |
| 6097 | goto err; |
| 6098 | if (avctx->hwaccel->decode_slice(avctx, buf_start_second_field, (buf + buf_size) - buf_start_second_field) < 0) |
| 6099 | goto err; |
| 6100 | if (avctx->hwaccel->end_frame(avctx) < 0) |
| 6101 | goto err; |
| 6102 | } else { |
| 6103 | s->picture_structure = PICT_FRAME; |
| 6104 | if (avctx->hwaccel->start_frame(avctx, buf_start, (buf + buf_size) - buf_start) < 0) |
| 6105 | goto err; |
| 6106 | if (avctx->hwaccel->decode_slice(avctx, buf_start, (buf + buf_size) - buf_start) < 0) |
| 6107 | goto err; |
| 6108 | if (avctx->hwaccel->end_frame(avctx) < 0) |
| 6109 | goto err; |
| 6110 | } |
| 6111 | } else { |
| 6112 | int header_ret = 0; |
| 6113 | |
| 6114 | ff_mpeg_er_frame_start(s); |
| 6115 | |
| 6116 | v->bits = buf_size * 8; |
| 6117 | v->end_mb_x = s->mb_width; |
| 6118 | if (v->field_mode) { |
| 6119 | s->current_picture.f->linesize[0] <<= 1; |
| 6120 | s->current_picture.f->linesize[1] <<= 1; |
| 6121 | s->current_picture.f->linesize[2] <<= 1; |
| 6122 | s->linesize <<= 1; |
| 6123 | s->uvlinesize <<= 1; |
| 6124 | } |
| 6125 | mb_height = s->mb_height >> v->field_mode; |
| 6126 | |
| 6127 | av_assert0 (mb_height > 0); |
| 6128 | |
| 6129 | for (i = 0; i <= n_slices; i++) { |
| 6130 | if (i > 0 && slices[i - 1].mby_start >= mb_height) { |
| 6131 | if (v->field_mode <= 0) { |
| 6132 | av_log(v->s.avctx, AV_LOG_ERROR, "Slice %d starts beyond " |
| 6133 | "picture boundary (%d >= %d)\n", i, |
| 6134 | slices[i - 1].mby_start, mb_height); |
| 6135 | continue; |
| 6136 | } |
| 6137 | v->second_field = 1; |
| 6138 | av_assert0((s->mb_height & 1) == 0); |
| 6139 | v->blocks_off = s->b8_stride * (s->mb_height&~1); |
| 6140 | v->mb_off = s->mb_stride * s->mb_height >> 1; |
| 6141 | } else { |
| 6142 | v->second_field = 0; |
| 6143 | v->blocks_off = 0; |
| 6144 | v->mb_off = 0; |
| 6145 | } |
| 6146 | if (i) { |
| 6147 | v->pic_header_flag = 0; |
| 6148 | if (v->field_mode && i == n_slices1 + 2) { |
| 6149 | if ((header_ret = ff_vc1_parse_frame_header_adv(v, &s->gb)) < 0) { |
| 6150 | av_log(v->s.avctx, AV_LOG_ERROR, "Field header damaged\n"); |
| 6151 | if (avctx->err_recognition & AV_EF_EXPLODE) |
| 6152 | goto err; |
| 6153 | continue; |
| 6154 | } |
| 6155 | } else if (get_bits1(&s->gb)) { |
| 6156 | v->pic_header_flag = 1; |
| 6157 | if ((header_ret = ff_vc1_parse_frame_header_adv(v, &s->gb)) < 0) { |
| 6158 | av_log(v->s.avctx, AV_LOG_ERROR, "Slice header damaged\n"); |
| 6159 | if (avctx->err_recognition & AV_EF_EXPLODE) |
| 6160 | goto err; |
| 6161 | continue; |
| 6162 | } |
| 6163 | } |
| 6164 | } |
| 6165 | if (header_ret < 0) |
| 6166 | continue; |
| 6167 | s->start_mb_y = (i == 0) ? 0 : FFMAX(0, slices[i-1].mby_start % mb_height); |
| 6168 | if (!v->field_mode || v->second_field) |
| 6169 | s->end_mb_y = (i == n_slices ) ? mb_height : FFMIN(mb_height, slices[i].mby_start % mb_height); |
| 6170 | else { |
| 6171 | if (i >= n_slices) { |
| 6172 | av_log(v->s.avctx, AV_LOG_ERROR, "first field slice count too large\n"); |
| 6173 | continue; |
| 6174 | } |
| 6175 | s->end_mb_y = (i <= n_slices1 + 1) ? mb_height : FFMIN(mb_height, slices[i].mby_start % mb_height); |
| 6176 | } |
| 6177 | if (s->end_mb_y <= s->start_mb_y) { |
| 6178 | av_log(v->s.avctx, AV_LOG_ERROR, "end mb y %d %d invalid\n", s->end_mb_y, s->start_mb_y); |
| 6179 | continue; |
| 6180 | } |
| 6181 | if (!v->p_frame_skipped && s->pict_type != AV_PICTURE_TYPE_I && !v->cbpcy_vlc) { |
| 6182 | av_log(v->s.avctx, AV_LOG_ERROR, "missing cbpcy_vlc\n"); |
| 6183 | continue; |
| 6184 | } |
| 6185 | ff_vc1_decode_blocks(v); |
| 6186 | if (i != n_slices) |
| 6187 | s->gb = slices[i].gb; |
| 6188 | } |
| 6189 | if (v->field_mode) { |
| 6190 | v->second_field = 0; |
| 6191 | s->current_picture.f->linesize[0] >>= 1; |
| 6192 | s->current_picture.f->linesize[1] >>= 1; |
| 6193 | s->current_picture.f->linesize[2] >>= 1; |
| 6194 | s->linesize >>= 1; |
| 6195 | s->uvlinesize >>= 1; |
| 6196 | if (v->s.pict_type != AV_PICTURE_TYPE_BI && v->s.pict_type != AV_PICTURE_TYPE_B) { |
| 6197 | FFSWAP(uint8_t *, v->mv_f_next[0], v->mv_f[0]); |
| 6198 | FFSWAP(uint8_t *, v->mv_f_next[1], v->mv_f[1]); |
| 6199 | } |
| 6200 | } |
| 6201 | av_dlog(s->avctx, "Consumed %i/%i bits\n", |
| 6202 | get_bits_count(&s->gb), s->gb.size_in_bits); |
| 6203 | // if (get_bits_count(&s->gb) > buf_size * 8) |
| 6204 | // return -1; |
| 6205 | if(s->er.error_occurred && s->pict_type == AV_PICTURE_TYPE_B) |
| 6206 | goto err; |
| 6207 | if (!v->field_mode) |
| 6208 | ff_er_frame_end(&s->er); |
| 6209 | } |
| 6210 | |
| 6211 | ff_mpv_frame_end(s); |
| 6212 | |
| 6213 | if (avctx->codec_id == AV_CODEC_ID_WMV3IMAGE || avctx->codec_id == AV_CODEC_ID_VC1IMAGE) { |
| 6214 | image: |
| 6215 | avctx->width = avctx->coded_width = v->output_width; |
| 6216 | avctx->height = avctx->coded_height = v->output_height; |
| 6217 | if (avctx->skip_frame >= AVDISCARD_NONREF) |
| 6218 | goto end; |
| 6219 | #if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER |
| 6220 | if (vc1_decode_sprites(v, &s->gb)) |
| 6221 | goto err; |
| 6222 | #endif |
| 6223 | if ((ret = av_frame_ref(pict, v->sprite_output_frame)) < 0) |
| 6224 | goto err; |
| 6225 | *got_frame = 1; |
| 6226 | } else { |
| 6227 | if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) { |
| 6228 | if ((ret = av_frame_ref(pict, s->current_picture_ptr->f)) < 0) |
| 6229 | goto err; |
| 6230 | ff_print_debug_info(s, s->current_picture_ptr, pict); |
| 6231 | *got_frame = 1; |
| 6232 | } else if (s->last_picture_ptr) { |
| 6233 | if ((ret = av_frame_ref(pict, s->last_picture_ptr->f)) < 0) |
| 6234 | goto err; |
| 6235 | ff_print_debug_info(s, s->last_picture_ptr, pict); |
| 6236 | *got_frame = 1; |
| 6237 | } |
| 6238 | } |
| 6239 | |
| 6240 | end: |
| 6241 | av_free(buf2); |
| 6242 | for (i = 0; i < n_slices; i++) |
| 6243 | av_free(slices[i].buf); |
| 6244 | av_free(slices); |
| 6245 | return buf_size; |
| 6246 | |
| 6247 | err: |
| 6248 | av_free(buf2); |
| 6249 | for (i = 0; i < n_slices; i++) |
| 6250 | av_free(slices[i].buf); |
| 6251 | av_free(slices); |
| 6252 | return -1; |
| 6253 | } |
| 6254 | |
| 6255 | |
| 6256 | static const AVProfile profiles[] = { |
| 6257 | { FF_PROFILE_VC1_SIMPLE, "Simple" }, |
| 6258 | { FF_PROFILE_VC1_MAIN, "Main" }, |
| 6259 | { FF_PROFILE_VC1_COMPLEX, "Complex" }, |
| 6260 | { FF_PROFILE_VC1_ADVANCED, "Advanced" }, |
| 6261 | { FF_PROFILE_UNKNOWN }, |
| 6262 | }; |
| 6263 | |
| 6264 | static const enum AVPixelFormat vc1_hwaccel_pixfmt_list_420[] = { |
| 6265 | #if CONFIG_VC1_DXVA2_HWACCEL |
| 6266 | AV_PIX_FMT_DXVA2_VLD, |
| 6267 | #endif |
| 6268 | #if CONFIG_VC1_VAAPI_HWACCEL |
| 6269 | AV_PIX_FMT_VAAPI_VLD, |
| 6270 | #endif |
| 6271 | #if CONFIG_VC1_VDPAU_HWACCEL |
| 6272 | AV_PIX_FMT_VDPAU, |
| 6273 | #endif |
| 6274 | AV_PIX_FMT_YUV420P, |
| 6275 | AV_PIX_FMT_NONE |
| 6276 | }; |
| 6277 | |
| 6278 | AVCodec ff_vc1_decoder = { |
| 6279 | .name = "vc1", |
| 6280 | .long_name = NULL_IF_CONFIG_SMALL("SMPTE VC-1"), |
| 6281 | .type = AVMEDIA_TYPE_VIDEO, |
| 6282 | .id = AV_CODEC_ID_VC1, |
| 6283 | .priv_data_size = sizeof(VC1Context), |
| 6284 | .init = vc1_decode_init, |
| 6285 | .close = ff_vc1_decode_end, |
| 6286 | .decode = vc1_decode_frame, |
| 6287 | .flush = ff_mpeg_flush, |
| 6288 | .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY, |
| 6289 | .pix_fmts = vc1_hwaccel_pixfmt_list_420, |
| 6290 | .profiles = NULL_IF_CONFIG_SMALL(profiles) |
| 6291 | }; |
| 6292 | |
| 6293 | #if CONFIG_WMV3_DECODER |
| 6294 | AVCodec ff_wmv3_decoder = { |
| 6295 | .name = "wmv3", |
| 6296 | .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9"), |
| 6297 | .type = AVMEDIA_TYPE_VIDEO, |
| 6298 | .id = AV_CODEC_ID_WMV3, |
| 6299 | .priv_data_size = sizeof(VC1Context), |
| 6300 | .init = vc1_decode_init, |
| 6301 | .close = ff_vc1_decode_end, |
| 6302 | .decode = vc1_decode_frame, |
| 6303 | .flush = ff_mpeg_flush, |
| 6304 | .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY, |
| 6305 | .pix_fmts = vc1_hwaccel_pixfmt_list_420, |
| 6306 | .profiles = NULL_IF_CONFIG_SMALL(profiles) |
| 6307 | }; |
| 6308 | #endif |
| 6309 | |
| 6310 | #if CONFIG_WMV3_VDPAU_DECODER |
| 6311 | AVCodec ff_wmv3_vdpau_decoder = { |
| 6312 | .name = "wmv3_vdpau", |
| 6313 | .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9 VDPAU"), |
| 6314 | .type = AVMEDIA_TYPE_VIDEO, |
| 6315 | .id = AV_CODEC_ID_WMV3, |
| 6316 | .priv_data_size = sizeof(VC1Context), |
| 6317 | .init = vc1_decode_init, |
| 6318 | .close = ff_vc1_decode_end, |
| 6319 | .decode = vc1_decode_frame, |
| 6320 | .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU, |
| 6321 | .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_VDPAU_WMV3, AV_PIX_FMT_NONE }, |
| 6322 | .profiles = NULL_IF_CONFIG_SMALL(profiles) |
| 6323 | }; |
| 6324 | #endif |
| 6325 | |
| 6326 | #if CONFIG_VC1_VDPAU_DECODER |
| 6327 | AVCodec ff_vc1_vdpau_decoder = { |
| 6328 | .name = "vc1_vdpau", |
| 6329 | .long_name = NULL_IF_CONFIG_SMALL("SMPTE VC-1 VDPAU"), |
| 6330 | .type = AVMEDIA_TYPE_VIDEO, |
| 6331 | .id = AV_CODEC_ID_VC1, |
| 6332 | .priv_data_size = sizeof(VC1Context), |
| 6333 | .init = vc1_decode_init, |
| 6334 | .close = ff_vc1_decode_end, |
| 6335 | .decode = vc1_decode_frame, |
| 6336 | .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU, |
| 6337 | .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_VDPAU_VC1, AV_PIX_FMT_NONE }, |
| 6338 | .profiles = NULL_IF_CONFIG_SMALL(profiles) |
| 6339 | }; |
| 6340 | #endif |
| 6341 | |
| 6342 | #if CONFIG_WMV3IMAGE_DECODER |
| 6343 | AVCodec ff_wmv3image_decoder = { |
| 6344 | .name = "wmv3image", |
| 6345 | .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9 Image"), |
| 6346 | .type = AVMEDIA_TYPE_VIDEO, |
| 6347 | .id = AV_CODEC_ID_WMV3IMAGE, |
| 6348 | .priv_data_size = sizeof(VC1Context), |
| 6349 | .init = vc1_decode_init, |
| 6350 | .close = ff_vc1_decode_end, |
| 6351 | .decode = vc1_decode_frame, |
| 6352 | .capabilities = CODEC_CAP_DR1, |
| 6353 | .flush = vc1_sprite_flush, |
| 6354 | .pix_fmts = (const enum AVPixelFormat[]) { |
| 6355 | AV_PIX_FMT_YUV420P, |
| 6356 | AV_PIX_FMT_NONE |
| 6357 | }, |
| 6358 | }; |
| 6359 | #endif |
| 6360 | |
| 6361 | #if CONFIG_VC1IMAGE_DECODER |
| 6362 | AVCodec ff_vc1image_decoder = { |
| 6363 | .name = "vc1image", |
| 6364 | .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9 Image v2"), |
| 6365 | .type = AVMEDIA_TYPE_VIDEO, |
| 6366 | .id = AV_CODEC_ID_VC1IMAGE, |
| 6367 | .priv_data_size = sizeof(VC1Context), |
| 6368 | .init = vc1_decode_init, |
| 6369 | .close = ff_vc1_decode_end, |
| 6370 | .decode = vc1_decode_frame, |
| 6371 | .capabilities = CODEC_CAP_DR1, |
| 6372 | .flush = vc1_sprite_flush, |
| 6373 | .pix_fmts = (const enum AVPixelFormat[]) { |
| 6374 | AV_PIX_FMT_YUV420P, |
| 6375 | AV_PIX_FMT_NONE |
| 6376 | }, |
| 6377 | }; |
| 6378 | #endif |