repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * VC-1 and WMV3 decoder common code | |
| 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 common code | |
| 27 | * | |
| 28 | */ | |
| 29 | ||
| 30 | #include "libavutil/attributes.h" | |
| 31 | #include "internal.h" | |
| 32 | #include "avcodec.h" | |
| 33 | #include "mpegvideo.h" | |
| 34 | #include "vc1.h" | |
| 35 | #include "vc1data.h" | |
| 36 | #include "msmpeg4data.h" | |
| 37 | #include "unary.h" | |
| 38 | #include "simple_idct.h" | |
| 39 | ||
| 40 | #undef NDEBUG | |
| 41 | #include <assert.h> | |
| 42 | ||
| 43 | /***********************************************************************/ | |
| 44 | /** | |
| 45 | * @name VC-1 Bitplane decoding | |
| 46 | * @see 8.7, p56 | |
| 47 | * @{ | |
| 48 | */ | |
| 49 | ||
| 50 | /** Decode rows by checking if they are skipped | |
| 51 | * @param plane Buffer to store decoded bits | |
| 52 | * @param[in] width Width of this buffer | |
| 53 | * @param[in] height Height of this buffer | |
| 54 | * @param[in] stride of this buffer | |
| 55 | */ | |
| 56 | static void decode_rowskip(uint8_t* plane, int width, int height, int stride, | |
| 57 | GetBitContext *gb) | |
| 58 | { | |
| 59 | int x, y; | |
| 60 | ||
| 61 | for (y = 0; y < height; y++) { | |
| 62 | if (!get_bits1(gb)) //rowskip | |
| 63 | memset(plane, 0, width); | |
| 64 | else | |
| 65 | for (x = 0; x < width; x++) | |
| 66 | plane[x] = get_bits1(gb); | |
| 67 | plane += stride; | |
| 68 | } | |
| 69 | } | |
| 70 | ||
| 71 | /** Decode columns by checking if they are skipped | |
| 72 | * @param plane Buffer to store decoded bits | |
| 73 | * @param[in] width Width of this buffer | |
| 74 | * @param[in] height Height of this buffer | |
| 75 | * @param[in] stride of this buffer | |
| 76 | * @todo FIXME: Optimize | |
| 77 | */ | |
| 78 | static void decode_colskip(uint8_t* plane, int width, int height, int stride, | |
| 79 | GetBitContext *gb) | |
| 80 | { | |
| 81 | int x, y; | |
| 82 | ||
| 83 | for (x = 0; x < width; x++) { | |
| 84 | if (!get_bits1(gb)) //colskip | |
| 85 | for (y = 0; y < height; y++) | |
| 86 | plane[y*stride] = 0; | |
| 87 | else | |
| 88 | for (y = 0; y < height; y++) | |
| 89 | plane[y*stride] = get_bits1(gb); | |
| 90 | plane ++; | |
| 91 | } | |
| 92 | } | |
| 93 | ||
| 94 | /** Decode a bitplane's bits | |
| 95 | * @param data bitplane where to store the decode bits | |
| 96 | * @param[out] raw_flag pointer to the flag indicating that this bitplane is not coded explicitly | |
| 97 | * @param v VC-1 context for bit reading and logging | |
| 98 | * @return Status | |
| 99 | * @todo FIXME: Optimize | |
| 100 | */ | |
| 101 | static int bitplane_decoding(uint8_t* data, int *raw_flag, VC1Context *v) | |
| 102 | { | |
| 103 | GetBitContext *gb = &v->s.gb; | |
| 104 | ||
| 105 | int imode, x, y, code, offset; | |
| 106 | uint8_t invert, *planep = data; | |
| 107 | int width, height, stride; | |
| 108 | ||
| 109 | width = v->s.mb_width; | |
| 110 | height = v->s.mb_height >> v->field_mode; | |
| 111 | stride = v->s.mb_stride; | |
| 112 | invert = get_bits1(gb); | |
| 113 | imode = get_vlc2(gb, ff_vc1_imode_vlc.table, VC1_IMODE_VLC_BITS, 1); | |
| 114 | ||
| 115 | *raw_flag = 0; | |
| 116 | switch (imode) { | |
| 117 | case IMODE_RAW: | |
| 118 | //Data is actually read in the MB layer (same for all tests == "raw") | |
| 119 | *raw_flag = 1; //invert ignored | |
| 120 | return invert; | |
| 121 | case IMODE_DIFF2: | |
| 122 | case IMODE_NORM2: | |
| 123 | if ((height * width) & 1) { | |
| 124 | *planep++ = get_bits1(gb); | |
| 125 | y = offset = 1; | |
| 126 | if (offset == width) { | |
| 127 | offset = 0; | |
| 128 | planep += stride - width; | |
| 129 | } | |
| 130 | } | |
| 131 | else | |
| 132 | y = offset = 0; | |
| 133 | // decode bitplane as one long line | |
| 134 | for (; y < height * width; y += 2) { | |
| 135 | code = get_vlc2(gb, ff_vc1_norm2_vlc.table, VC1_NORM2_VLC_BITS, 1); | |
| 136 | *planep++ = code & 1; | |
| 137 | offset++; | |
| 138 | if (offset == width) { | |
| 139 | offset = 0; | |
| 140 | planep += stride - width; | |
| 141 | } | |
| 142 | *planep++ = code >> 1; | |
| 143 | offset++; | |
| 144 | if (offset == width) { | |
| 145 | offset = 0; | |
| 146 | planep += stride - width; | |
| 147 | } | |
| 148 | } | |
| 149 | break; | |
| 150 | case IMODE_DIFF6: | |
| 151 | case IMODE_NORM6: | |
| 152 | if (!(height % 3) && (width % 3)) { // use 2x3 decoding | |
| 153 | for (y = 0; y < height; y += 3) { | |
| 154 | for (x = width & 1; x < width; x += 2) { | |
| 155 | code = get_vlc2(gb, ff_vc1_norm6_vlc.table, VC1_NORM6_VLC_BITS, 2); | |
| 156 | if (code < 0) { | |
| 157 | av_log(v->s.avctx, AV_LOG_DEBUG, "invalid NORM-6 VLC\n"); | |
| 158 | return -1; | |
| 159 | } | |
| 160 | planep[x + 0] = (code >> 0) & 1; | |
| 161 | planep[x + 1] = (code >> 1) & 1; | |
| 162 | planep[x + 0 + stride] = (code >> 2) & 1; | |
| 163 | planep[x + 1 + stride] = (code >> 3) & 1; | |
| 164 | planep[x + 0 + stride * 2] = (code >> 4) & 1; | |
| 165 | planep[x + 1 + stride * 2] = (code >> 5) & 1; | |
| 166 | } | |
| 167 | planep += stride * 3; | |
| 168 | } | |
| 169 | if (width & 1) | |
| 170 | decode_colskip(data, 1, height, stride, &v->s.gb); | |
| 171 | } else { // 3x2 | |
| 172 | planep += (height & 1) * stride; | |
| 173 | for (y = height & 1; y < height; y += 2) { | |
| 174 | for (x = width % 3; x < width; x += 3) { | |
| 175 | code = get_vlc2(gb, ff_vc1_norm6_vlc.table, VC1_NORM6_VLC_BITS, 2); | |
| 176 | if (code < 0) { | |
| 177 | av_log(v->s.avctx, AV_LOG_DEBUG, "invalid NORM-6 VLC\n"); | |
| 178 | return -1; | |
| 179 | } | |
| 180 | planep[x + 0] = (code >> 0) & 1; | |
| 181 | planep[x + 1] = (code >> 1) & 1; | |
| 182 | planep[x + 2] = (code >> 2) & 1; | |
| 183 | planep[x + 0 + stride] = (code >> 3) & 1; | |
| 184 | planep[x + 1 + stride] = (code >> 4) & 1; | |
| 185 | planep[x + 2 + stride] = (code >> 5) & 1; | |
| 186 | } | |
| 187 | planep += stride * 2; | |
| 188 | } | |
| 189 | x = width % 3; | |
| 190 | if (x) | |
| 191 | decode_colskip(data, x, height, stride, &v->s.gb); | |
| 192 | if (height & 1) | |
| 193 | decode_rowskip(data + x, width - x, 1, stride, &v->s.gb); | |
| 194 | } | |
| 195 | break; | |
| 196 | case IMODE_ROWSKIP: | |
| 197 | decode_rowskip(data, width, height, stride, &v->s.gb); | |
| 198 | break; | |
| 199 | case IMODE_COLSKIP: | |
| 200 | decode_colskip(data, width, height, stride, &v->s.gb); | |
| 201 | break; | |
| 202 | default: | |
| 203 | break; | |
| 204 | } | |
| 205 | ||
| 206 | /* Applying diff operator */ | |
| 207 | if (imode == IMODE_DIFF2 || imode == IMODE_DIFF6) { | |
| 208 | planep = data; | |
| 209 | planep[0] ^= invert; | |
| 210 | for (x = 1; x < width; x++) | |
| 211 | planep[x] ^= planep[x-1]; | |
| 212 | for (y = 1; y < height; y++) { | |
| 213 | planep += stride; | |
| 214 | planep[0] ^= planep[-stride]; | |
| 215 | for (x = 1; x < width; x++) { | |
| 216 | if (planep[x-1] != planep[x-stride]) planep[x] ^= invert; | |
| 217 | else planep[x] ^= planep[x-1]; | |
| 218 | } | |
| 219 | } | |
| 220 | } else if (invert) { | |
| 221 | planep = data; | |
| 222 | for (x = 0; x < stride * height; x++) | |
| 223 | planep[x] = !planep[x]; //FIXME stride | |
| 224 | } | |
| 225 | return (imode << 1) + invert; | |
| 226 | } | |
| 227 | ||
| 228 | /** @} */ //Bitplane group | |
| 229 | ||
| 230 | /***********************************************************************/ | |
| 231 | /** VOP Dquant decoding | |
| 232 | * @param v VC-1 Context | |
| 233 | */ | |
| 234 | static int vop_dquant_decoding(VC1Context *v) | |
| 235 | { | |
| 236 | GetBitContext *gb = &v->s.gb; | |
| 237 | int pqdiff; | |
| 238 | ||
| 239 | //variable size | |
| 240 | if (v->dquant == 2) { | |
| 241 | pqdiff = get_bits(gb, 3); | |
| 242 | if (pqdiff == 7) | |
| 243 | v->altpq = get_bits(gb, 5); | |
| 244 | else | |
| 245 | v->altpq = v->pq + pqdiff + 1; | |
| 246 | } else { | |
| 247 | v->dquantfrm = get_bits1(gb); | |
| 248 | if (v->dquantfrm) { | |
| 249 | v->dqprofile = get_bits(gb, 2); | |
| 250 | switch (v->dqprofile) { | |
| 251 | case DQPROFILE_SINGLE_EDGE: | |
| 252 | case DQPROFILE_DOUBLE_EDGES: | |
| 253 | v->dqsbedge = get_bits(gb, 2); | |
| 254 | break; | |
| 255 | case DQPROFILE_ALL_MBS: | |
| 256 | v->dqbilevel = get_bits1(gb); | |
| 257 | if (!v->dqbilevel) | |
| 258 | v->halfpq = 0; | |
| 259 | default: | |
| 260 | break; //Forbidden ? | |
| 261 | } | |
| 262 | if (v->dqbilevel || v->dqprofile != DQPROFILE_ALL_MBS) { | |
| 263 | pqdiff = get_bits(gb, 3); | |
| 264 | if (pqdiff == 7) | |
| 265 | v->altpq = get_bits(gb, 5); | |
| 266 | else | |
| 267 | v->altpq = v->pq + pqdiff + 1; | |
| 268 | } | |
| 269 | } | |
| 270 | } | |
| 271 | return 0; | |
| 272 | } | |
| 273 | ||
| 274 | static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb); | |
| 275 | ||
| 276 | /** | |
| 277 | * Decode Simple/Main Profiles sequence header | |
| 278 | * @see Figure 7-8, p16-17 | |
| 279 | * @param avctx Codec context | |
| 280 | * @param gb GetBit context initialized from Codec context extra_data | |
| 281 | * @return Status | |
| 282 | */ | |
| 283 | int ff_vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitContext *gb) | |
| 284 | { | |
| 285 | av_log(avctx, AV_LOG_DEBUG, "Header: %0X\n", show_bits_long(gb, 32)); | |
| 286 | v->profile = get_bits(gb, 2); | |
| 287 | if (v->profile == PROFILE_COMPLEX) { | |
| 288 | av_log(avctx, AV_LOG_WARNING, "WMV3 Complex Profile is not fully supported\n"); | |
| 289 | } | |
| 290 | ||
| 291 | if (v->profile == PROFILE_ADVANCED) { | |
| 292 | v->zz_8x4 = ff_vc1_adv_progressive_8x4_zz; | |
| 293 | v->zz_4x8 = ff_vc1_adv_progressive_4x8_zz; | |
| 294 | return decode_sequence_header_adv(v, gb); | |
| 295 | } else { | |
| 296 | v->chromaformat = 1; | |
| 297 | v->zz_8x4 = ff_wmv2_scantableA; | |
| 298 | v->zz_4x8 = ff_wmv2_scantableB; | |
| 299 | v->res_y411 = get_bits1(gb); | |
| 300 | v->res_sprite = get_bits1(gb); | |
| 301 | if (v->res_y411) { | |
| 302 | av_log(avctx, AV_LOG_ERROR, | |
| 303 | "Old interlaced mode is not supported\n"); | |
| 304 | return -1; | |
| 305 | } | |
| 306 | } | |
| 307 | ||
| 308 | // (fps-2)/4 (->30) | |
| 309 | v->frmrtq_postproc = get_bits(gb, 3); //common | |
| 310 | // (bitrate-32kbps)/64kbps | |
| 311 | v->bitrtq_postproc = get_bits(gb, 5); //common | |
| 312 | v->s.loop_filter = get_bits1(gb); //common | |
| 313 | if (v->s.loop_filter == 1 && v->profile == PROFILE_SIMPLE) { | |
| 314 | av_log(avctx, AV_LOG_ERROR, | |
| 315 | "LOOPFILTER shall not be enabled in Simple Profile\n"); | |
| 316 | } | |
| 317 | if (v->s.avctx->skip_loop_filter >= AVDISCARD_ALL) | |
| 318 | v->s.loop_filter = 0; | |
| 319 | ||
| 320 | v->res_x8 = get_bits1(gb); //reserved | |
| 321 | v->multires = get_bits1(gb); | |
| 322 | v->res_fasttx = get_bits1(gb); | |
| 323 | if (!v->res_fasttx) { | |
| 324 | v->vc1dsp.vc1_inv_trans_8x8 = ff_simple_idct_8; | |
| 325 | v->vc1dsp.vc1_inv_trans_8x4 = ff_simple_idct84_add; | |
| 326 | v->vc1dsp.vc1_inv_trans_4x8 = ff_simple_idct48_add; | |
| 327 | v->vc1dsp.vc1_inv_trans_4x4 = ff_simple_idct44_add; | |
| 328 | v->vc1dsp.vc1_inv_trans_8x8_dc = ff_simple_idct_add_8; | |
| 329 | v->vc1dsp.vc1_inv_trans_8x4_dc = ff_simple_idct84_add; | |
| 330 | v->vc1dsp.vc1_inv_trans_4x8_dc = ff_simple_idct48_add; | |
| 331 | v->vc1dsp.vc1_inv_trans_4x4_dc = ff_simple_idct44_add; | |
| 332 | } | |
| 333 | ||
| 334 | v->fastuvmc = get_bits1(gb); //common | |
| 335 | if (!v->profile && !v->fastuvmc) { | |
| 336 | av_log(avctx, AV_LOG_ERROR, | |
| 337 | "FASTUVMC unavailable in Simple Profile\n"); | |
| 338 | return -1; | |
| 339 | } | |
| 340 | v->extended_mv = get_bits1(gb); //common | |
| 341 | if (!v->profile && v->extended_mv) | |
| 342 | { | |
| 343 | av_log(avctx, AV_LOG_ERROR, | |
| 344 | "Extended MVs unavailable in Simple Profile\n"); | |
| 345 | return -1; | |
| 346 | } | |
| 347 | v->dquant = get_bits(gb, 2); //common | |
| 348 | v->vstransform = get_bits1(gb); //common | |
| 349 | ||
| 350 | v->res_transtab = get_bits1(gb); | |
| 351 | if (v->res_transtab) | |
| 352 | { | |
| 353 | av_log(avctx, AV_LOG_ERROR, | |
| 354 | "1 for reserved RES_TRANSTAB is forbidden\n"); | |
| 355 | return -1; | |
| 356 | } | |
| 357 | ||
| 358 | v->overlap = get_bits1(gb); //common | |
| 359 | ||
| 360 | v->resync_marker = get_bits1(gb); | |
| 361 | v->rangered = get_bits1(gb); | |
| 362 | if (v->rangered && v->profile == PROFILE_SIMPLE) { | |
| 363 | av_log(avctx, AV_LOG_INFO, | |
| 364 | "RANGERED should be set to 0 in Simple Profile\n"); | |
| 365 | } | |
| 366 | ||
| 367 | v->s.max_b_frames = avctx->max_b_frames = get_bits(gb, 3); //common | |
| 368 | v->quantizer_mode = get_bits(gb, 2); //common | |
| 369 | ||
| 370 | v->finterpflag = get_bits1(gb); //common | |
| 371 | ||
| 372 | if (v->res_sprite) { | |
| 373 | int w = get_bits(gb, 11); | |
| 374 | int h = get_bits(gb, 11); | |
| 375 | int ret = ff_set_dimensions(v->s.avctx, w, h); | |
| 376 | if (ret < 0) { | |
| 377 | av_log(avctx, AV_LOG_ERROR, "Failed to set dimensions %d %d\n", w, h); | |
| 378 | return ret; | |
| 379 | } | |
| 380 | skip_bits(gb, 5); //frame rate | |
| 381 | v->res_x8 = get_bits1(gb); | |
| 382 | if (get_bits1(gb)) { // something to do with DC VLC selection | |
| 383 | av_log(avctx, AV_LOG_ERROR, "Unsupported sprite feature\n"); | |
| 384 | return -1; | |
| 385 | } | |
| 386 | skip_bits(gb, 3); //slice code | |
| 387 | v->res_rtm_flag = 0; | |
| 388 | } else { | |
| 389 | v->res_rtm_flag = get_bits1(gb); //reserved | |
| 390 | } | |
| 391 | if (!v->res_rtm_flag) { | |
| 392 | av_log(avctx, AV_LOG_ERROR, | |
| 393 | "Old WMV3 version detected, some frames may be decoded incorrectly\n"); | |
| 394 | //return -1; | |
| 395 | } | |
| 396 | //TODO: figure out what they mean (always 0x402F) | |
| 397 | if (!v->res_fasttx) | |
| 398 | skip_bits(gb, 16); | |
| 399 | av_log(avctx, AV_LOG_DEBUG, | |
| 400 | "Profile %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n" | |
| 401 | "LoopFilter=%i, MultiRes=%i, FastUVMC=%i, Extended MV=%i\n" | |
| 402 | "Rangered=%i, VSTransform=%i, Overlap=%i, SyncMarker=%i\n" | |
| 403 | "DQuant=%i, Quantizer mode=%i, Max B frames=%i\n", | |
| 404 | v->profile, v->frmrtq_postproc, v->bitrtq_postproc, | |
| 405 | v->s.loop_filter, v->multires, v->fastuvmc, v->extended_mv, | |
| 406 | v->rangered, v->vstransform, v->overlap, v->resync_marker, | |
| 407 | v->dquant, v->quantizer_mode, avctx->max_b_frames); | |
| 408 | return 0; | |
| 409 | } | |
| 410 | ||
| 411 | static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb) | |
| 412 | { | |
| 413 | v->res_rtm_flag = 1; | |
| 414 | v->level = get_bits(gb, 3); | |
| 415 | if (v->level >= 5) { | |
| 416 | av_log(v->s.avctx, AV_LOG_ERROR, "Reserved LEVEL %i\n",v->level); | |
| 417 | } | |
| 418 | v->chromaformat = get_bits(gb, 2); | |
| 419 | if (v->chromaformat != 1) { | |
| 420 | av_log(v->s.avctx, AV_LOG_ERROR, | |
| 421 | "Only 4:2:0 chroma format supported\n"); | |
| 422 | return -1; | |
| 423 | } | |
| 424 | ||
| 425 | // (fps-2)/4 (->30) | |
| 426 | v->frmrtq_postproc = get_bits(gb, 3); //common | |
| 427 | // (bitrate-32kbps)/64kbps | |
| 428 | v->bitrtq_postproc = get_bits(gb, 5); //common | |
| 429 | v->postprocflag = get_bits1(gb); //common | |
| 430 | ||
| 431 | v->max_coded_width = (get_bits(gb, 12) + 1) << 1; | |
| 432 | v->max_coded_height = (get_bits(gb, 12) + 1) << 1; | |
| 433 | v->broadcast = get_bits1(gb); | |
| 434 | v->interlace = get_bits1(gb); | |
| 435 | v->tfcntrflag = get_bits1(gb); | |
| 436 | v->finterpflag = get_bits1(gb); | |
| 437 | skip_bits1(gb); // reserved | |
| 438 | ||
| 439 | av_log(v->s.avctx, AV_LOG_DEBUG, | |
| 440 | "Advanced Profile level %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n" | |
| 441 | "LoopFilter=%i, ChromaFormat=%i, Pulldown=%i, Interlace: %i\n" | |
| 442 | "TFCTRflag=%i, FINTERPflag=%i\n", | |
| 443 | v->level, v->frmrtq_postproc, v->bitrtq_postproc, | |
| 444 | v->s.loop_filter, v->chromaformat, v->broadcast, v->interlace, | |
| 445 | v->tfcntrflag, v->finterpflag); | |
| 446 | ||
| 447 | v->psf = get_bits1(gb); | |
| 448 | if (v->psf) { //PsF, 6.1.13 | |
| 449 | av_log(v->s.avctx, AV_LOG_ERROR, "Progressive Segmented Frame mode: not supported (yet)\n"); | |
| 450 | return -1; | |
| 451 | } | |
| 452 | v->s.max_b_frames = v->s.avctx->max_b_frames = 7; | |
| 453 | if (get_bits1(gb)) { //Display Info - decoding is not affected by it | |
| 454 | int w, h, ar = 0; | |
| 455 | av_log(v->s.avctx, AV_LOG_DEBUG, "Display extended info:\n"); | |
| 456 | w = get_bits(gb, 14) + 1; | |
| 457 | h = get_bits(gb, 14) + 1; | |
| 458 | av_log(v->s.avctx, AV_LOG_DEBUG, "Display dimensions: %ix%i\n", w, h); | |
| 459 | if (get_bits1(gb)) | |
| 460 | ar = get_bits(gb, 4); | |
| 461 | if (ar && ar < 14) { | |
| 462 | v->s.avctx->sample_aspect_ratio = ff_vc1_pixel_aspect[ar]; | |
| 463 | } else if (ar == 15) { | |
| 464 | w = get_bits(gb, 8) + 1; | |
| 465 | h = get_bits(gb, 8) + 1; | |
| 466 | v->s.avctx->sample_aspect_ratio = (AVRational){w, h}; | |
| 467 | } else { | |
| 468 | av_reduce(&v->s.avctx->sample_aspect_ratio.num, | |
| 469 | &v->s.avctx->sample_aspect_ratio.den, | |
| 470 | v->s.avctx->height * w, | |
| 471 | v->s.avctx->width * h, | |
| 472 | 1 << 30); | |
| 473 | } | |
| 474 | ff_set_sar(v->s.avctx, v->s.avctx->sample_aspect_ratio); | |
| 475 | av_log(v->s.avctx, AV_LOG_DEBUG, "Aspect: %i:%i\n", | |
| 476 | v->s.avctx->sample_aspect_ratio.num, | |
| 477 | v->s.avctx->sample_aspect_ratio.den); | |
| 478 | ||
| 479 | if (get_bits1(gb)) { //framerate stuff | |
| 480 | if (get_bits1(gb)) { | |
| f6fa7814 DM |
481 | v->s.avctx->framerate.den = 32; |
| 482 | v->s.avctx->framerate.num = get_bits(gb, 16) + 1; | |
| 2ba45a60 DM |
483 | } else { |
| 484 | int nr, dr; | |
| 485 | nr = get_bits(gb, 8); | |
| 486 | dr = get_bits(gb, 4); | |
| 487 | if (nr > 0 && nr < 8 && dr > 0 && dr < 3) { | |
| f6fa7814 DM |
488 | v->s.avctx->framerate.den = ff_vc1_fps_dr[dr - 1]; |
| 489 | v->s.avctx->framerate.num = ff_vc1_fps_nr[nr - 1] * 1000; | |
| 2ba45a60 DM |
490 | } |
| 491 | } | |
| 492 | if (v->broadcast) { // Pulldown may be present | |
| 2ba45a60 DM |
493 | v->s.avctx->ticks_per_frame = 2; |
| 494 | } | |
| 495 | } | |
| 496 | ||
| 497 | if (get_bits1(gb)) { | |
| f6fa7814 DM |
498 | v->color_prim = get_bits(gb, 8); |
| 499 | v->transfer_char = get_bits(gb, 8); | |
| 500 | v->matrix_coef = get_bits(gb, 8); | |
| 2ba45a60 DM |
501 | } |
| 502 | } | |
| 503 | ||
| 504 | v->hrd_param_flag = get_bits1(gb); | |
| 505 | if (v->hrd_param_flag) { | |
| 506 | int i; | |
| 507 | v->hrd_num_leaky_buckets = get_bits(gb, 5); | |
| 508 | skip_bits(gb, 4); //bitrate exponent | |
| 509 | skip_bits(gb, 4); //buffer size exponent | |
| 510 | for (i = 0; i < v->hrd_num_leaky_buckets; i++) { | |
| 511 | skip_bits(gb, 16); //hrd_rate[n] | |
| 512 | skip_bits(gb, 16); //hrd_buffer[n] | |
| 513 | } | |
| 514 | } | |
| 515 | return 0; | |
| 516 | } | |
| 517 | ||
| 518 | int ff_vc1_decode_entry_point(AVCodecContext *avctx, VC1Context *v, GetBitContext *gb) | |
| 519 | { | |
| 520 | int i; | |
| 521 | int w,h; | |
| 522 | int ret; | |
| 523 | ||
| 524 | av_log(avctx, AV_LOG_DEBUG, "Entry point: %08X\n", show_bits_long(gb, 32)); | |
| 525 | v->broken_link = get_bits1(gb); | |
| 526 | v->closed_entry = get_bits1(gb); | |
| 527 | v->panscanflag = get_bits1(gb); | |
| 528 | v->refdist_flag = get_bits1(gb); | |
| 529 | v->s.loop_filter = get_bits1(gb); | |
| 530 | if (v->s.avctx->skip_loop_filter >= AVDISCARD_ALL) | |
| 531 | v->s.loop_filter = 0; | |
| 532 | v->fastuvmc = get_bits1(gb); | |
| 533 | v->extended_mv = get_bits1(gb); | |
| 534 | v->dquant = get_bits(gb, 2); | |
| 535 | v->vstransform = get_bits1(gb); | |
| 536 | v->overlap = get_bits1(gb); | |
| 537 | v->quantizer_mode = get_bits(gb, 2); | |
| 538 | ||
| 539 | if (v->hrd_param_flag) { | |
| 540 | for (i = 0; i < v->hrd_num_leaky_buckets; i++) { | |
| 541 | skip_bits(gb, 8); //hrd_full[n] | |
| 542 | } | |
| 543 | } | |
| 544 | ||
| 545 | if(get_bits1(gb)){ | |
| 546 | w = (get_bits(gb, 12)+1)<<1; | |
| 547 | h = (get_bits(gb, 12)+1)<<1; | |
| 548 | } else { | |
| 549 | w = v->max_coded_width; | |
| 550 | h = v->max_coded_height; | |
| 551 | } | |
| 552 | if ((ret = ff_set_dimensions(avctx, w, h)) < 0) { | |
| 553 | av_log(avctx, AV_LOG_ERROR, "Failed to set dimensions %d %d\n", w, h); | |
| 554 | return ret; | |
| 555 | } | |
| 556 | ||
| 557 | if (v->extended_mv) | |
| 558 | v->extended_dmv = get_bits1(gb); | |
| 559 | if ((v->range_mapy_flag = get_bits1(gb))) { | |
| 560 | av_log(avctx, AV_LOG_ERROR, "Luma scaling is not supported, expect wrong picture\n"); | |
| 561 | v->range_mapy = get_bits(gb, 3); | |
| 562 | } | |
| 563 | if ((v->range_mapuv_flag = get_bits1(gb))) { | |
| 564 | av_log(avctx, AV_LOG_ERROR, "Chroma scaling is not supported, expect wrong picture\n"); | |
| 565 | v->range_mapuv = get_bits(gb, 3); | |
| 566 | } | |
| 567 | ||
| 568 | av_log(avctx, AV_LOG_DEBUG, "Entry point info:\n" | |
| 569 | "BrokenLink=%i, ClosedEntry=%i, PanscanFlag=%i\n" | |
| 570 | "RefDist=%i, Postproc=%i, FastUVMC=%i, ExtMV=%i\n" | |
| 571 | "DQuant=%i, VSTransform=%i, Overlap=%i, Qmode=%i\n", | |
| 572 | v->broken_link, v->closed_entry, v->panscanflag, v->refdist_flag, v->s.loop_filter, | |
| 573 | v->fastuvmc, v->extended_mv, v->dquant, v->vstransform, v->overlap, v->quantizer_mode); | |
| 574 | ||
| 575 | return 0; | |
| 576 | } | |
| 577 | ||
| 578 | /* fill lookup tables for intensity compensation */ | |
| 579 | #define INIT_LUT(lumscale, lumshift, luty, lutuv, chain) do { \ | |
| 580 | int scale, shift, i; \ | |
| 581 | if (!lumscale) { \ | |
| 582 | scale = -64; \ | |
| 583 | shift = (255 - lumshift * 2) << 6; \ | |
| 584 | if (lumshift > 31) \ | |
| 585 | shift += 128 << 6; \ | |
| 586 | } else { \ | |
| 587 | scale = lumscale + 32; \ | |
| 588 | if (lumshift > 31) \ | |
| 589 | shift = (lumshift - 64) << 6; \ | |
| 590 | else \ | |
| 591 | shift = lumshift << 6; \ | |
| 592 | } \ | |
| 593 | for (i = 0; i < 256; i++) { \ | |
| 594 | int iy = chain ? luty[i] : i; \ | |
| 595 | int iu = chain ? lutuv[i] : i; \ | |
| 596 | luty[i] = av_clip_uint8((scale * iy + shift + 32) >> 6); \ | |
| 597 | lutuv[i] = av_clip_uint8((scale * (iu - 128) + 128*64 + 32) >> 6);\ | |
| 598 | } \ | |
| 599 | } while(0) | |
| 600 | ||
| 601 | static void rotate_luts(VC1Context *v) | |
| 602 | { | |
| 603 | #define ROTATE(DEF, L, N, C, A) do { \ | |
| 604 | if (v->s.pict_type == AV_PICTURE_TYPE_BI || v->s.pict_type == AV_PICTURE_TYPE_B) { \ | |
| 605 | C = A; \ | |
| 606 | } else { \ | |
| 607 | DEF; \ | |
| 608 | memcpy(&tmp, L , sizeof(tmp)); \ | |
| 609 | memcpy(L , N , sizeof(tmp)); \ | |
| 610 | memcpy(N , &tmp, sizeof(tmp)); \ | |
| 611 | C = N; \ | |
| 612 | } \ | |
| 613 | } while(0) | |
| 614 | ||
| 615 | ROTATE(int tmp, &v->last_use_ic, &v->next_use_ic, v->curr_use_ic, &v->aux_use_ic); | |
| 616 | ROTATE(uint8_t tmp[2][256], v->last_luty, v->next_luty, v->curr_luty, v->aux_luty); | |
| 617 | ROTATE(uint8_t tmp[2][256], v->last_lutuv, v->next_lutuv, v->curr_lutuv, v->aux_lutuv); | |
| 618 | ||
| 619 | INIT_LUT(32, 0, v->curr_luty[0], v->curr_lutuv[0], 0); | |
| 620 | INIT_LUT(32, 0, v->curr_luty[1], v->curr_lutuv[1], 0); | |
| 621 | *v->curr_use_ic = 0; | |
| 622 | } | |
| 623 | ||
| 624 | static int read_bfraction(VC1Context *v, GetBitContext* gb) { | |
| 625 | int bfraction_lut_index = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1); | |
| 626 | ||
| 627 | if (bfraction_lut_index == 21 || bfraction_lut_index < 0) { | |
| 628 | av_log(v->s.avctx, AV_LOG_ERROR, "bfraction invalid\n"); | |
| 629 | return AVERROR_INVALIDDATA; | |
| 630 | } | |
| 631 | v->bfraction_lut_index = bfraction_lut_index; | |
| 632 | v->bfraction = ff_vc1_bfraction_lut[v->bfraction_lut_index]; | |
| 633 | return 0; | |
| 634 | } | |
| 635 | ||
| 636 | int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb) | |
| 637 | { | |
| 638 | int pqindex, lowquant, status; | |
| 639 | ||
| 640 | v->field_mode = 0; | |
| 641 | v->fcm = 0; | |
| 642 | if (v->finterpflag) | |
| 643 | v->interpfrm = get_bits1(gb); | |
| 644 | if (!v->s.avctx->codec) | |
| 645 | return -1; | |
| 646 | if (v->s.avctx->codec_id == AV_CODEC_ID_MSS2) | |
| 647 | v->respic = | |
| 648 | v->rangered = | |
| 649 | v->multires = get_bits(gb, 2) == 1; | |
| 650 | else | |
| 651 | skip_bits(gb, 2); //framecnt unused | |
| 652 | v->rangeredfrm = 0; | |
| 653 | if (v->rangered) | |
| 654 | v->rangeredfrm = get_bits1(gb); | |
| 655 | v->s.pict_type = get_bits1(gb); | |
| 656 | if (v->s.avctx->max_b_frames) { | |
| 657 | if (!v->s.pict_type) { | |
| 658 | if (get_bits1(gb)) | |
| 659 | v->s.pict_type = AV_PICTURE_TYPE_I; | |
| 660 | else | |
| 661 | v->s.pict_type = AV_PICTURE_TYPE_B; | |
| 662 | } else | |
| 663 | v->s.pict_type = AV_PICTURE_TYPE_P; | |
| 664 | } else | |
| 665 | v->s.pict_type = v->s.pict_type ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I; | |
| 666 | ||
| 667 | v->bi_type = 0; | |
| 668 | if (v->s.pict_type == AV_PICTURE_TYPE_B) { | |
| 669 | if (read_bfraction(v, gb) < 0) | |
| 670 | return AVERROR_INVALIDDATA; | |
| 671 | if (v->bfraction == 0) { | |
| 672 | v->s.pict_type = AV_PICTURE_TYPE_BI; | |
| 673 | } | |
| 674 | } | |
| 675 | if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) | |
| 676 | skip_bits(gb, 7); // skip buffer fullness | |
| 677 | ||
| 678 | if (v->parse_only) | |
| 679 | return 0; | |
| 680 | ||
| 681 | /* calculate RND */ | |
| 682 | if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) | |
| 683 | v->rnd = 1; | |
| 684 | if (v->s.pict_type == AV_PICTURE_TYPE_P) | |
| 685 | v->rnd ^= 1; | |
| 686 | ||
| 687 | /* Quantizer stuff */ | |
| 688 | pqindex = get_bits(gb, 5); | |
| 689 | if (!pqindex) | |
| 690 | return -1; | |
| 691 | if (v->quantizer_mode == QUANT_FRAME_IMPLICIT) | |
| 692 | v->pq = ff_vc1_pquant_table[0][pqindex]; | |
| 693 | else | |
| 694 | v->pq = ff_vc1_pquant_table[1][pqindex]; | |
| 695 | ||
| 696 | v->pquantizer = 1; | |
| 697 | if (v->quantizer_mode == QUANT_FRAME_IMPLICIT) | |
| 698 | v->pquantizer = pqindex < 9; | |
| 699 | if (v->quantizer_mode == QUANT_NON_UNIFORM) | |
| 700 | v->pquantizer = 0; | |
| 701 | v->pqindex = pqindex; | |
| 702 | if (pqindex < 9) | |
| 703 | v->halfpq = get_bits1(gb); | |
| 704 | else | |
| 705 | v->halfpq = 0; | |
| 706 | if (v->quantizer_mode == QUANT_FRAME_EXPLICIT) | |
| 707 | v->pquantizer = get_bits1(gb); | |
| 708 | v->dquantfrm = 0; | |
| 709 | if (v->extended_mv == 1) | |
| 710 | v->mvrange = get_unary(gb, 0, 3); | |
| 711 | v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13 | |
| 712 | v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11 | |
| 713 | v->range_x = 1 << (v->k_x - 1); | |
| 714 | v->range_y = 1 << (v->k_y - 1); | |
| 715 | if (v->multires && v->s.pict_type != AV_PICTURE_TYPE_B) | |
| 716 | v->respic = get_bits(gb, 2); | |
| 717 | ||
| 718 | if (v->res_x8 && (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)) { | |
| 719 | v->x8_type = get_bits1(gb); | |
| 720 | } else | |
| 721 | v->x8_type = 0; | |
| 722 | av_dlog(v->s.avctx, "%c Frame: QP=[%i]%i (+%i/2) %i\n", | |
| 723 | (v->s.pict_type == AV_PICTURE_TYPE_P) ? 'P' : ((v->s.pict_type == AV_PICTURE_TYPE_I) ? 'I' : 'B'), | |
| 724 | pqindex, v->pq, v->halfpq, v->rangeredfrm); | |
| 725 | ||
| 726 | if (v->first_pic_header_flag) | |
| 727 | rotate_luts(v); | |
| 728 | ||
| 729 | switch (v->s.pict_type) { | |
| 730 | case AV_PICTURE_TYPE_P: | |
| 731 | if (v->pq < 5) v->tt_index = 0; | |
| 732 | else if (v->pq < 13) v->tt_index = 1; | |
| 733 | else v->tt_index = 2; | |
| 734 | ||
| 735 | lowquant = (v->pq > 12) ? 0 : 1; | |
| 736 | v->mv_mode = ff_vc1_mv_pmode_table[lowquant][get_unary(gb, 1, 4)]; | |
| 737 | if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { | |
| 738 | v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][get_unary(gb, 1, 3)]; | |
| 739 | v->lumscale = get_bits(gb, 6); | |
| 740 | v->lumshift = get_bits(gb, 6); | |
| 741 | v->last_use_ic = 1; | |
| 742 | /* fill lookup tables for intensity compensation */ | |
| 743 | INIT_LUT(v->lumscale, v->lumshift, v->last_luty[0], v->last_lutuv[0], 1); | |
| 744 | INIT_LUT(v->lumscale, v->lumshift, v->last_luty[1], v->last_lutuv[1], 1); | |
| 745 | } | |
| 746 | v->qs_last = v->s.quarter_sample; | |
| 747 | if (v->mv_mode == MV_PMODE_1MV_HPEL || v->mv_mode == MV_PMODE_1MV_HPEL_BILIN) | |
| 748 | v->s.quarter_sample = 0; | |
| 749 | else if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { | |
| 750 | if (v->mv_mode2 == MV_PMODE_1MV_HPEL || v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN) | |
| 751 | v->s.quarter_sample = 0; | |
| 752 | else | |
| 753 | v->s.quarter_sample = 1; | |
| 754 | } else | |
| 755 | v->s.quarter_sample = 1; | |
| 756 | v->s.mspel = !(v->mv_mode == MV_PMODE_1MV_HPEL_BILIN || (v->mv_mode == MV_PMODE_INTENSITY_COMP && v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN)); | |
| 757 | ||
| 758 | if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && | |
| 759 | v->mv_mode2 == MV_PMODE_MIXED_MV) || | |
| 760 | v->mv_mode == MV_PMODE_MIXED_MV) { | |
| 761 | status = bitplane_decoding(v->mv_type_mb_plane, &v->mv_type_is_raw, v); | |
| 762 | if (status < 0) | |
| 763 | return -1; | |
| 764 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB MV Type plane encoding: " | |
| 765 | "Imode: %i, Invert: %i\n", status>>1, status&1); | |
| 766 | } else { | |
| 767 | v->mv_type_is_raw = 0; | |
| 768 | memset(v->mv_type_mb_plane, 0, v->s.mb_stride * v->s.mb_height); | |
| 769 | } | |
| 770 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); | |
| 771 | if (status < 0) | |
| 772 | return -1; | |
| 773 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " | |
| 774 | "Imode: %i, Invert: %i\n", status>>1, status&1); | |
| 775 | ||
| 776 | /* Hopefully this is correct for P frames */ | |
| 777 | v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables | |
| 778 | v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; | |
| 779 | ||
| 780 | if (v->dquant) { | |
| 781 | av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); | |
| 782 | vop_dquant_decoding(v); | |
| 783 | } | |
| 784 | ||
| 785 | v->ttfrm = 0; //FIXME Is that so ? | |
| 786 | if (v->vstransform) { | |
| 787 | v->ttmbf = get_bits1(gb); | |
| 788 | if (v->ttmbf) { | |
| 789 | v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; | |
| 790 | } | |
| 791 | } else { | |
| 792 | v->ttmbf = 1; | |
| 793 | v->ttfrm = TT_8X8; | |
| 794 | } | |
| 795 | break; | |
| 796 | case AV_PICTURE_TYPE_B: | |
| 797 | if (v->pq < 5) v->tt_index = 0; | |
| 798 | else if (v->pq < 13) v->tt_index = 1; | |
| 799 | else v->tt_index = 2; | |
| 800 | ||
| 801 | v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN; | |
| 802 | v->qs_last = v->s.quarter_sample; | |
| 803 | v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV); | |
| 804 | v->s.mspel = v->s.quarter_sample; | |
| 805 | ||
| 806 | status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v); | |
| 807 | if (status < 0) | |
| 808 | return -1; | |
| 809 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: " | |
| 810 | "Imode: %i, Invert: %i\n", status>>1, status&1); | |
| 811 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); | |
| 812 | if (status < 0) | |
| 813 | return -1; | |
| 814 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " | |
| 815 | "Imode: %i, Invert: %i\n", status>>1, status&1); | |
| 816 | ||
| 817 | v->s.mv_table_index = get_bits(gb, 2); | |
| 818 | v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; | |
| 819 | ||
| 820 | if (v->dquant) { | |
| 821 | av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); | |
| 822 | vop_dquant_decoding(v); | |
| 823 | } | |
| 824 | ||
| 825 | v->ttfrm = 0; | |
| 826 | if (v->vstransform) { | |
| 827 | v->ttmbf = get_bits1(gb); | |
| 828 | if (v->ttmbf) { | |
| 829 | v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; | |
| 830 | } | |
| 831 | } else { | |
| 832 | v->ttmbf = 1; | |
| 833 | v->ttfrm = TT_8X8; | |
| 834 | } | |
| 835 | break; | |
| 836 | } | |
| 837 | ||
| 838 | if (!v->x8_type) { | |
| 839 | /* AC Syntax */ | |
| 840 | v->c_ac_table_index = decode012(gb); | |
| 841 | if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) { | |
| 842 | v->y_ac_table_index = decode012(gb); | |
| 843 | } | |
| 844 | /* DC Syntax */ | |
| 845 | v->s.dc_table_index = get_bits1(gb); | |
| 846 | } | |
| 847 | ||
| 848 | if (v->s.pict_type == AV_PICTURE_TYPE_BI) { | |
| 849 | v->s.pict_type = AV_PICTURE_TYPE_B; | |
| 850 | v->bi_type = 1; | |
| 851 | } | |
| 852 | return 0; | |
| 853 | } | |
| 854 | ||
| 855 | int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) | |
| 856 | { | |
| 857 | int pqindex, lowquant; | |
| 858 | int status; | |
| 859 | int mbmodetab, imvtab, icbptab, twomvbptab, fourmvbptab; /* useful only for debugging */ | |
| 860 | int field_mode, fcm; | |
| 861 | ||
| 862 | v->numref = 0; | |
| 863 | v->p_frame_skipped = 0; | |
| 864 | if (v->second_field) { | |
| 865 | if(v->fcm!=2 || v->field_mode!=1) | |
| 866 | return -1; | |
| 867 | v->s.pict_type = (v->fptype & 1) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I; | |
| 868 | if (v->fptype & 4) | |
| 869 | v->s.pict_type = (v->fptype & 1) ? AV_PICTURE_TYPE_BI : AV_PICTURE_TYPE_B; | |
| 870 | v->s.current_picture_ptr->f->pict_type = v->s.pict_type; | |
| 871 | if (!v->pic_header_flag) | |
| 872 | goto parse_common_info; | |
| 873 | } | |
| 874 | ||
| 875 | field_mode = 0; | |
| 876 | if (v->interlace) { | |
| 877 | fcm = decode012(gb); | |
| 878 | if (fcm) { | |
| 879 | if (fcm == ILACE_FIELD) | |
| 880 | field_mode = 1; | |
| 881 | } | |
| 882 | } else { | |
| 883 | fcm = PROGRESSIVE; | |
| 884 | } | |
| 885 | if (!v->first_pic_header_flag && v->field_mode != field_mode) | |
| 886 | return AVERROR_INVALIDDATA; | |
| 887 | v->field_mode = field_mode; | |
| 888 | v->fcm = fcm; | |
| 889 | ||
| 890 | av_assert0( v->s.mb_height == v->s.height + 15 >> 4 | |
| 891 | || v->s.mb_height == FFALIGN(v->s.height + 15 >> 4, 2)); | |
| 892 | if (v->field_mode) { | |
| 893 | v->s.mb_height = FFALIGN(v->s.height + 15 >> 4, 2); | |
| 894 | v->fptype = get_bits(gb, 3); | |
| 895 | v->s.pict_type = (v->fptype & 2) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I; | |
| 896 | if (v->fptype & 4) // B-picture | |
| 897 | v->s.pict_type = (v->fptype & 2) ? AV_PICTURE_TYPE_BI : AV_PICTURE_TYPE_B; | |
| 898 | ||
| 899 | } else { | |
| 900 | v->s.mb_height = v->s.height + 15 >> 4; | |
| 901 | switch (get_unary(gb, 0, 4)) { | |
| 902 | case 0: | |
| 903 | v->s.pict_type = AV_PICTURE_TYPE_P; | |
| 904 | break; | |
| 905 | case 1: | |
| 906 | v->s.pict_type = AV_PICTURE_TYPE_B; | |
| 907 | break; | |
| 908 | case 2: | |
| 909 | v->s.pict_type = AV_PICTURE_TYPE_I; | |
| 910 | break; | |
| 911 | case 3: | |
| 912 | v->s.pict_type = AV_PICTURE_TYPE_BI; | |
| 913 | break; | |
| 914 | case 4: | |
| 915 | v->s.pict_type = AV_PICTURE_TYPE_P; // skipped pic | |
| 916 | v->p_frame_skipped = 1; | |
| 917 | break; | |
| 918 | } | |
| 919 | } | |
| 920 | if (v->tfcntrflag) | |
| 921 | skip_bits(gb, 8); | |
| 922 | if (v->broadcast) { | |
| 923 | if (!v->interlace || v->psf) { | |
| 924 | v->rptfrm = get_bits(gb, 2); | |
| 925 | } else { | |
| 926 | v->tff = get_bits1(gb); | |
| 927 | v->rff = get_bits1(gb); | |
| 928 | } | |
| 929 | } else { | |
| 930 | v->tff = 1; | |
| 931 | } | |
| 932 | if (v->panscanflag) { | |
| 933 | avpriv_report_missing_feature(v->s.avctx, "Pan-scan"); | |
| 934 | //... | |
| 935 | } | |
| 936 | if (v->p_frame_skipped) { | |
| 937 | return 0; | |
| 938 | } | |
| 939 | v->rnd = get_bits1(gb); | |
| 940 | if (v->interlace) | |
| 941 | v->uvsamp = get_bits1(gb); | |
| 942 | if(!ff_vc1_bfraction_vlc.table) | |
| 943 | return 0; //parsing only, vlc tables havnt been allocated | |
| 944 | if (v->field_mode) { | |
| 945 | if (!v->refdist_flag) | |
| 946 | v->refdist = 0; | |
| 947 | else if ((v->s.pict_type != AV_PICTURE_TYPE_B) && (v->s.pict_type != AV_PICTURE_TYPE_BI)) { | |
| 948 | v->refdist = get_bits(gb, 2); | |
| 949 | if (v->refdist == 3) | |
| 950 | v->refdist += get_unary(gb, 0, 16); | |
| 951 | } | |
| 952 | if ((v->s.pict_type == AV_PICTURE_TYPE_B) || (v->s.pict_type == AV_PICTURE_TYPE_BI)) { | |
| 953 | if (read_bfraction(v, gb) < 0) | |
| 954 | return AVERROR_INVALIDDATA; | |
| 955 | v->frfd = (v->bfraction * v->refdist) >> 8; | |
| 956 | v->brfd = v->refdist - v->frfd - 1; | |
| 957 | if (v->brfd < 0) | |
| 958 | v->brfd = 0; | |
| 959 | } | |
| 960 | goto parse_common_info; | |
| 961 | } | |
| 962 | if (v->fcm == PROGRESSIVE) { | |
| 963 | if (v->finterpflag) | |
| 964 | v->interpfrm = get_bits1(gb); | |
| 965 | if (v->s.pict_type == AV_PICTURE_TYPE_B) { | |
| 966 | if (read_bfraction(v, gb) < 0) | |
| 967 | return AVERROR_INVALIDDATA; | |
| 968 | if (v->bfraction == 0) { | |
| 969 | v->s.pict_type = AV_PICTURE_TYPE_BI; /* XXX: should not happen here */ | |
| 970 | } | |
| 971 | } | |
| 972 | } | |
| 973 | ||
| 974 | parse_common_info: | |
| 975 | if (v->field_mode) | |
| 976 | v->cur_field_type = !(v->tff ^ v->second_field); | |
| 977 | pqindex = get_bits(gb, 5); | |
| 978 | if (!pqindex) | |
| 979 | return -1; | |
| 980 | v->pqindex = pqindex; | |
| 981 | if (v->quantizer_mode == QUANT_FRAME_IMPLICIT) | |
| 982 | v->pq = ff_vc1_pquant_table[0][pqindex]; | |
| 983 | else | |
| 984 | v->pq = ff_vc1_pquant_table[1][pqindex]; | |
| 985 | ||
| 986 | v->pquantizer = 1; | |
| 987 | if (v->quantizer_mode == QUANT_FRAME_IMPLICIT) | |
| 988 | v->pquantizer = pqindex < 9; | |
| 989 | if (v->quantizer_mode == QUANT_NON_UNIFORM) | |
| 990 | v->pquantizer = 0; | |
| 991 | v->pqindex = pqindex; | |
| 992 | if (pqindex < 9) | |
| 993 | v->halfpq = get_bits1(gb); | |
| 994 | else | |
| 995 | v->halfpq = 0; | |
| 996 | if (v->quantizer_mode == QUANT_FRAME_EXPLICIT) | |
| 997 | v->pquantizer = get_bits1(gb); | |
| 998 | if (v->postprocflag) | |
| 999 | v->postproc = get_bits(gb, 2); | |
| 1000 | ||
| 1001 | if (v->parse_only) | |
| 1002 | return 0; | |
| 1003 | ||
| 1004 | if (v->first_pic_header_flag) | |
| 1005 | rotate_luts(v); | |
| 1006 | ||
| 1007 | switch (v->s.pict_type) { | |
| 1008 | case AV_PICTURE_TYPE_I: | |
| 1009 | case AV_PICTURE_TYPE_BI: | |
| 1010 | if (v->fcm == ILACE_FRAME) { //interlace frame picture | |
| 1011 | status = bitplane_decoding(v->fieldtx_plane, &v->fieldtx_is_raw, v); | |
| 1012 | if (status < 0) | |
| 1013 | return -1; | |
| 1014 | av_log(v->s.avctx, AV_LOG_DEBUG, "FIELDTX plane encoding: " | |
| 1015 | "Imode: %i, Invert: %i\n", status>>1, status&1); | |
| 1016 | } | |
| 1017 | status = bitplane_decoding(v->acpred_plane, &v->acpred_is_raw, v); | |
| 1018 | if (status < 0) | |
| 1019 | return -1; | |
| 1020 | av_log(v->s.avctx, AV_LOG_DEBUG, "ACPRED plane encoding: " | |
| 1021 | "Imode: %i, Invert: %i\n", status>>1, status&1); | |
| 1022 | v->condover = CONDOVER_NONE; | |
| 1023 | if (v->overlap && v->pq <= 8) { | |
| 1024 | v->condover = decode012(gb); | |
| 1025 | if (v->condover == CONDOVER_SELECT) { | |
| 1026 | status = bitplane_decoding(v->over_flags_plane, &v->overflg_is_raw, v); | |
| 1027 | if (status < 0) | |
| 1028 | return -1; | |
| 1029 | av_log(v->s.avctx, AV_LOG_DEBUG, "CONDOVER plane encoding: " | |
| 1030 | "Imode: %i, Invert: %i\n", status>>1, status&1); | |
| 1031 | } | |
| 1032 | } | |
| 1033 | break; | |
| 1034 | case AV_PICTURE_TYPE_P: | |
| 1035 | if (v->field_mode) { | |
| 1036 | v->numref = get_bits1(gb); | |
| 1037 | if (!v->numref) { | |
| 1038 | v->reffield = get_bits1(gb); | |
| 1039 | v->ref_field_type[0] = v->reffield ^ !v->cur_field_type; | |
| 1040 | } | |
| 1041 | } | |
| 1042 | if (v->extended_mv) | |
| 1043 | v->mvrange = get_unary(gb, 0, 3); | |
| 1044 | else | |
| 1045 | v->mvrange = 0; | |
| 1046 | if (v->interlace) { | |
| 1047 | if (v->extended_dmv) | |
| 1048 | v->dmvrange = get_unary(gb, 0, 3); | |
| 1049 | else | |
| 1050 | v->dmvrange = 0; | |
| 1051 | if (v->fcm == ILACE_FRAME) { // interlaced frame picture | |
| 1052 | v->fourmvswitch = get_bits1(gb); | |
| 1053 | v->intcomp = get_bits1(gb); | |
| 1054 | if (v->intcomp) { | |
| 1055 | v->lumscale = get_bits(gb, 6); | |
| 1056 | v->lumshift = get_bits(gb, 6); | |
| 1057 | INIT_LUT(v->lumscale, v->lumshift, v->last_luty[0], v->last_lutuv[0], 1); | |
| 1058 | INIT_LUT(v->lumscale, v->lumshift, v->last_luty[1], v->last_lutuv[1], 1); | |
| 1059 | v->last_use_ic = 1; | |
| 1060 | } | |
| 1061 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); | |
| 1062 | av_log(v->s.avctx, AV_LOG_DEBUG, "SKIPMB plane encoding: " | |
| 1063 | "Imode: %i, Invert: %i\n", status>>1, status&1); | |
| 1064 | mbmodetab = get_bits(gb, 2); | |
| 1065 | if (v->fourmvswitch) | |
| 1066 | v->mbmode_vlc = &ff_vc1_intfr_4mv_mbmode_vlc[mbmodetab]; | |
| 1067 | else | |
| 1068 | v->mbmode_vlc = &ff_vc1_intfr_non4mv_mbmode_vlc[mbmodetab]; | |
| 1069 | imvtab = get_bits(gb, 2); | |
| 1070 | v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab]; | |
| 1071 | // interlaced p-picture cbpcy range is [1, 63] | |
| 1072 | icbptab = get_bits(gb, 3); | |
| 1073 | v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab]; | |
| 1074 | twomvbptab = get_bits(gb, 2); | |
| 1075 | v->twomvbp_vlc = &ff_vc1_2mv_block_pattern_vlc[twomvbptab]; | |
| 1076 | if (v->fourmvswitch) { | |
| 1077 | fourmvbptab = get_bits(gb, 2); | |
| 1078 | v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab]; | |
| 1079 | } | |
| 1080 | } | |
| 1081 | } | |
| 1082 | v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13 | |
| 1083 | v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11 | |
| 1084 | v->range_x = 1 << (v->k_x - 1); | |
| 1085 | v->range_y = 1 << (v->k_y - 1); | |
| 1086 | ||
| 1087 | if (v->pq < 5) | |
| 1088 | v->tt_index = 0; | |
| 1089 | else if (v->pq < 13) | |
| 1090 | v->tt_index = 1; | |
| 1091 | else | |
| 1092 | v->tt_index = 2; | |
| 1093 | if (v->fcm != ILACE_FRAME) { | |
| 1094 | int mvmode; | |
| 1095 | mvmode = get_unary(gb, 1, 4); | |
| 1096 | lowquant = (v->pq > 12) ? 0 : 1; | |
| 1097 | v->mv_mode = ff_vc1_mv_pmode_table[lowquant][mvmode]; | |
| 1098 | if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { | |
| 1099 | int mvmode2; | |
| 1100 | mvmode2 = get_unary(gb, 1, 3); | |
| 1101 | v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][mvmode2]; | |
| 1102 | if (v->field_mode) { | |
| 1103 | v->intcompfield = decode210(gb) ^ 3; | |
| 1104 | } else | |
| 1105 | v->intcompfield = 3; | |
| 1106 | ||
| 1107 | v->lumscale2 = v->lumscale = 32; | |
| 1108 | v->lumshift2 = v->lumshift = 0; | |
| 1109 | if (v->intcompfield & 1) { | |
| 1110 | v->lumscale = get_bits(gb, 6); | |
| 1111 | v->lumshift = get_bits(gb, 6); | |
| 1112 | } | |
| 1113 | if ((v->intcompfield & 2) && v->field_mode) { | |
| 1114 | v->lumscale2 = get_bits(gb, 6); | |
| 1115 | v->lumshift2 = get_bits(gb, 6); | |
| 1116 | } else if(!v->field_mode) { | |
| 1117 | v->lumscale2 = v->lumscale; | |
| 1118 | v->lumshift2 = v->lumshift; | |
| 1119 | } | |
| 1120 | if (v->field_mode && v->second_field) { | |
| 1121 | if (v->cur_field_type) { | |
| 1122 | INIT_LUT(v->lumscale , v->lumshift , v->curr_luty[v->cur_field_type^1], v->curr_lutuv[v->cur_field_type^1], 0); | |
| 1123 | INIT_LUT(v->lumscale2, v->lumshift2, v->last_luty[v->cur_field_type ], v->last_lutuv[v->cur_field_type ], 1); | |
| 1124 | } else { | |
| 1125 | INIT_LUT(v->lumscale2, v->lumshift2, v->curr_luty[v->cur_field_type^1], v->curr_lutuv[v->cur_field_type^1], 0); | |
| 1126 | INIT_LUT(v->lumscale , v->lumshift , v->last_luty[v->cur_field_type ], v->last_lutuv[v->cur_field_type ], 1); | |
| 1127 | } | |
| 1128 | v->next_use_ic = *v->curr_use_ic = 1; | |
| 1129 | } else { | |
| 1130 | INIT_LUT(v->lumscale , v->lumshift , v->last_luty[0], v->last_lutuv[0], 1); | |
| 1131 | INIT_LUT(v->lumscale2, v->lumshift2, v->last_luty[1], v->last_lutuv[1], 1); | |
| 1132 | } | |
| 1133 | v->last_use_ic = 1; | |
| 1134 | } | |
| 1135 | v->qs_last = v->s.quarter_sample; | |
| 1136 | if (v->mv_mode == MV_PMODE_1MV_HPEL || v->mv_mode == MV_PMODE_1MV_HPEL_BILIN) | |
| 1137 | v->s.quarter_sample = 0; | |
| 1138 | else if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { | |
| 1139 | if (v->mv_mode2 == MV_PMODE_1MV_HPEL || v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN) | |
| 1140 | v->s.quarter_sample = 0; | |
| 1141 | else | |
| 1142 | v->s.quarter_sample = 1; | |
| 1143 | } else | |
| 1144 | v->s.quarter_sample = 1; | |
| 1145 | v->s.mspel = !(v->mv_mode == MV_PMODE_1MV_HPEL_BILIN | |
| 1146 | || (v->mv_mode == MV_PMODE_INTENSITY_COMP | |
| 1147 | && v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN)); | |
| 1148 | } | |
| 1149 | if (v->fcm == PROGRESSIVE) { // progressive | |
| 1150 | if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && | |
| 1151 | v->mv_mode2 == MV_PMODE_MIXED_MV) | |
| 1152 | || v->mv_mode == MV_PMODE_MIXED_MV) { | |
| 1153 | status = bitplane_decoding(v->mv_type_mb_plane, &v->mv_type_is_raw, v); | |
| 1154 | if (status < 0) | |
| 1155 | return -1; | |
| 1156 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB MV Type plane encoding: " | |
| 1157 | "Imode: %i, Invert: %i\n", status>>1, status&1); | |
| 1158 | } else { | |
| 1159 | v->mv_type_is_raw = 0; | |
| 1160 | memset(v->mv_type_mb_plane, 0, v->s.mb_stride * v->s.mb_height); | |
| 1161 | } | |
| 1162 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); | |
| 1163 | if (status < 0) | |
| 1164 | return -1; | |
| 1165 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " | |
| 1166 | "Imode: %i, Invert: %i\n", status>>1, status&1); | |
| 1167 | ||
| 1168 | /* Hopefully this is correct for P frames */ | |
| 1169 | v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables | |
| 1170 | v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; | |
| 1171 | } else if (v->fcm == ILACE_FRAME) { // frame interlaced | |
| 1172 | v->qs_last = v->s.quarter_sample; | |
| 1173 | v->s.quarter_sample = 1; | |
| 1174 | v->s.mspel = 1; | |
| 1175 | } else { // field interlaced | |
| 1176 | mbmodetab = get_bits(gb, 3); | |
| 1177 | imvtab = get_bits(gb, 2 + v->numref); | |
| 1178 | if (!v->numref) | |
| 1179 | v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab]; | |
| 1180 | else | |
| 1181 | v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[imvtab]; | |
| 1182 | icbptab = get_bits(gb, 3); | |
| 1183 | v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab]; | |
| 1184 | if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && | |
| 1185 | v->mv_mode2 == MV_PMODE_MIXED_MV) || v->mv_mode == MV_PMODE_MIXED_MV) { | |
| 1186 | fourmvbptab = get_bits(gb, 2); | |
| 1187 | v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab]; | |
| 1188 | v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[mbmodetab]; | |
| 1189 | } else { | |
| 1190 | v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[mbmodetab]; | |
| 1191 | } | |
| 1192 | } | |
| 1193 | if (v->dquant) { | |
| 1194 | av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); | |
| 1195 | vop_dquant_decoding(v); | |
| 1196 | } | |
| 1197 | ||
| 1198 | v->ttfrm = 0; //FIXME Is that so ? | |
| 1199 | if (v->vstransform) { | |
| 1200 | v->ttmbf = get_bits1(gb); | |
| 1201 | if (v->ttmbf) { | |
| 1202 | v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; | |
| 1203 | } | |
| 1204 | } else { | |
| 1205 | v->ttmbf = 1; | |
| 1206 | v->ttfrm = TT_8X8; | |
| 1207 | } | |
| 1208 | break; | |
| 1209 | case AV_PICTURE_TYPE_B: | |
| 1210 | if (v->fcm == ILACE_FRAME) { | |
| 1211 | if (read_bfraction(v, gb) < 0) | |
| 1212 | return AVERROR_INVALIDDATA; | |
| 1213 | if (v->bfraction == 0) { | |
| 1214 | return -1; | |
| 1215 | } | |
| 1216 | } | |
| 1217 | if (v->extended_mv) | |
| 1218 | v->mvrange = get_unary(gb, 0, 3); | |
| 1219 | else | |
| 1220 | v->mvrange = 0; | |
| 1221 | v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13 | |
| 1222 | v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11 | |
| 1223 | v->range_x = 1 << (v->k_x - 1); | |
| 1224 | v->range_y = 1 << (v->k_y - 1); | |
| 1225 | ||
| 1226 | if (v->pq < 5) | |
| 1227 | v->tt_index = 0; | |
| 1228 | else if (v->pq < 13) | |
| 1229 | v->tt_index = 1; | |
| 1230 | else | |
| 1231 | v->tt_index = 2; | |
| 1232 | ||
| 1233 | if (v->field_mode) { | |
| 1234 | int mvmode; | |
| 1235 | av_log(v->s.avctx, AV_LOG_DEBUG, "B Fields\n"); | |
| 1236 | if (v->extended_dmv) | |
| 1237 | v->dmvrange = get_unary(gb, 0, 3); | |
| 1238 | mvmode = get_unary(gb, 1, 3); | |
| 1239 | lowquant = (v->pq > 12) ? 0 : 1; | |
| 1240 | v->mv_mode = ff_vc1_mv_pmode_table2[lowquant][mvmode]; | |
| 1241 | v->qs_last = v->s.quarter_sample; | |
| 1242 | v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV || v->mv_mode == MV_PMODE_MIXED_MV); | |
| 1243 | v->s.mspel = !(v->mv_mode == MV_PMODE_1MV_HPEL_BILIN || v->mv_mode == MV_PMODE_1MV_HPEL); | |
| 1244 | status = bitplane_decoding(v->forward_mb_plane, &v->fmb_is_raw, v); | |
| 1245 | if (status < 0) | |
| 1246 | return -1; | |
| 1247 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Forward Type plane encoding: " | |
| 1248 | "Imode: %i, Invert: %i\n", status>>1, status&1); | |
| 1249 | mbmodetab = get_bits(gb, 3); | |
| 1250 | if (v->mv_mode == MV_PMODE_MIXED_MV) | |
| 1251 | v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[mbmodetab]; | |
| 1252 | else | |
| 1253 | v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[mbmodetab]; | |
| 1254 | imvtab = get_bits(gb, 3); | |
| 1255 | v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[imvtab]; | |
| 1256 | icbptab = get_bits(gb, 3); | |
| 1257 | v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab]; | |
| 1258 | if (v->mv_mode == MV_PMODE_MIXED_MV) { | |
| 1259 | fourmvbptab = get_bits(gb, 2); | |
| 1260 | v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab]; | |
| 1261 | } | |
| 1262 | v->numref = 1; // interlaced field B pictures are always 2-ref | |
| 1263 | } else if (v->fcm == ILACE_FRAME) { | |
| 1264 | if (v->extended_dmv) | |
| 1265 | v->dmvrange = get_unary(gb, 0, 3); | |
| 1266 | if (get_bits1(gb)) /* intcomp - present but shall always be 0 */ | |
| 1267 | av_log(v->s.avctx, AV_LOG_WARNING, "Intensity compensation set for B picture\n"); | |
| 1268 | v->intcomp = 0; | |
| 1269 | v->mv_mode = MV_PMODE_1MV; | |
| 1270 | v->fourmvswitch = 0; | |
| 1271 | v->qs_last = v->s.quarter_sample; | |
| 1272 | v->s.quarter_sample = 1; | |
| 1273 | v->s.mspel = 1; | |
| 1274 | status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v); | |
| 1275 | if (status < 0) | |
| 1276 | return -1; | |
| 1277 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: " | |
| 1278 | "Imode: %i, Invert: %i\n", status>>1, status&1); | |
| 1279 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); | |
| 1280 | if (status < 0) | |
| 1281 | return -1; | |
| 1282 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " | |
| 1283 | "Imode: %i, Invert: %i\n", status>>1, status&1); | |
| 1284 | mbmodetab = get_bits(gb, 2); | |
| 1285 | v->mbmode_vlc = &ff_vc1_intfr_non4mv_mbmode_vlc[mbmodetab]; | |
| 1286 | imvtab = get_bits(gb, 2); | |
| 1287 | v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab]; | |
| 1288 | // interlaced p/b-picture cbpcy range is [1, 63] | |
| 1289 | icbptab = get_bits(gb, 3); | |
| 1290 | v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab]; | |
| 1291 | twomvbptab = get_bits(gb, 2); | |
| 1292 | v->twomvbp_vlc = &ff_vc1_2mv_block_pattern_vlc[twomvbptab]; | |
| 1293 | fourmvbptab = get_bits(gb, 2); | |
| 1294 | v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab]; | |
| 1295 | } else { | |
| 1296 | v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN; | |
| 1297 | v->qs_last = v->s.quarter_sample; | |
| 1298 | v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV); | |
| 1299 | v->s.mspel = v->s.quarter_sample; | |
| 1300 | status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v); | |
| 1301 | if (status < 0) | |
| 1302 | return -1; | |
| 1303 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: " | |
| 1304 | "Imode: %i, Invert: %i\n", status>>1, status&1); | |
| 1305 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); | |
| 1306 | if (status < 0) | |
| 1307 | return -1; | |
| 1308 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " | |
| 1309 | "Imode: %i, Invert: %i\n", status>>1, status&1); | |
| 1310 | v->s.mv_table_index = get_bits(gb, 2); | |
| 1311 | v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; | |
| 1312 | } | |
| 1313 | ||
| 1314 | if (v->dquant) { | |
| 1315 | av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); | |
| 1316 | vop_dquant_decoding(v); | |
| 1317 | } | |
| 1318 | ||
| 1319 | v->ttfrm = 0; | |
| 1320 | if (v->vstransform) { | |
| 1321 | v->ttmbf = get_bits1(gb); | |
| 1322 | if (v->ttmbf) { | |
| 1323 | v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; | |
| 1324 | } | |
| 1325 | } else { | |
| 1326 | v->ttmbf = 1; | |
| 1327 | v->ttfrm = TT_8X8; | |
| 1328 | } | |
| 1329 | break; | |
| 1330 | } | |
| 1331 | ||
| 1332 | if (v->fcm != PROGRESSIVE && !v->s.quarter_sample) { | |
| 1333 | v->range_x <<= 1; | |
| 1334 | v->range_y <<= 1; | |
| 1335 | } | |
| 1336 | ||
| 1337 | /* AC Syntax */ | |
| 1338 | v->c_ac_table_index = decode012(gb); | |
| 1339 | if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) { | |
| 1340 | v->y_ac_table_index = decode012(gb); | |
| 1341 | } | |
| 1342 | /* DC Syntax */ | |
| 1343 | v->s.dc_table_index = get_bits1(gb); | |
| 1344 | if ((v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) | |
| 1345 | && v->dquant) { | |
| 1346 | av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); | |
| 1347 | vop_dquant_decoding(v); | |
| 1348 | } | |
| 1349 | ||
| 1350 | v->bi_type = 0; | |
| 1351 | if (v->s.pict_type == AV_PICTURE_TYPE_BI) { | |
| 1352 | v->s.pict_type = AV_PICTURE_TYPE_B; | |
| 1353 | v->bi_type = 1; | |
| 1354 | } | |
| 1355 | return 0; | |
| 1356 | } | |
| 1357 | ||
| 1358 | static const uint32_t vc1_ac_tables[AC_MODES][186][2] = { | |
| 1359 | { | |
| 1360 | { 0x0001, 2}, { 0x0005, 3}, { 0x000D, 4}, { 0x0012, 5}, { 0x000E, 6}, { 0x0015, 7}, | |
| 1361 | { 0x0013, 8}, { 0x003F, 8}, { 0x004B, 9}, { 0x011F, 9}, { 0x00B8, 10}, { 0x03E3, 10}, | |
| 1362 | { 0x0172, 11}, { 0x024D, 12}, { 0x03DA, 12}, { 0x02DD, 13}, { 0x1F55, 13}, { 0x05B9, 14}, | |
| 1363 | { 0x3EAE, 14}, { 0x0000, 4}, { 0x0010, 5}, { 0x0008, 7}, { 0x0020, 8}, { 0x0029, 9}, | |
| 1364 | { 0x01F4, 9}, { 0x0233, 10}, { 0x01E0, 11}, { 0x012A, 12}, { 0x03DD, 12}, { 0x050A, 13}, | |
| 1365 | { 0x1F29, 13}, { 0x0A42, 14}, { 0x1272, 15}, { 0x1737, 15}, { 0x0003, 5}, { 0x0011, 7}, | |
| 1366 | { 0x00C4, 8}, { 0x004B, 10}, { 0x00B4, 11}, { 0x07D4, 11}, { 0x0345, 12}, { 0x02D7, 13}, | |
| 1367 | { 0x07BF, 13}, { 0x0938, 14}, { 0x0BBB, 14}, { 0x095E, 15}, { 0x0013, 5}, { 0x0078, 7}, | |
| 1368 | { 0x0069, 9}, { 0x0232, 10}, { 0x0461, 11}, { 0x03EC, 12}, { 0x0520, 13}, { 0x1F2A, 13}, | |
| 1369 | { 0x3E50, 14}, { 0x3E51, 14}, { 0x1486, 15}, { 0x000C, 6}, { 0x0024, 9}, { 0x0094, 11}, | |
| 1370 | { 0x08C0, 12}, { 0x0F09, 14}, { 0x1EF0, 15}, { 0x003D, 6}, { 0x0053, 9}, { 0x01A0, 11}, | |
| 1371 | { 0x02D6, 13}, { 0x0F08, 14}, { 0x0013, 7}, { 0x007C, 9}, { 0x07C1, 11}, { 0x04AC, 14}, | |
| 1372 | { 0x001B, 7}, { 0x00A0, 10}, { 0x0344, 12}, { 0x0F79, 14}, { 0x0079, 7}, { 0x03E1, 10}, | |
| 1373 | { 0x02D4, 13}, { 0x2306, 14}, { 0x0021, 8}, { 0x023C, 10}, { 0x0FAE, 12}, { 0x23DE, 14}, | |
| 1374 | { 0x0035, 8}, { 0x0175, 11}, { 0x07B3, 13}, { 0x00C5, 8}, { 0x0174, 11}, { 0x0785, 13}, | |
| 1375 | { 0x0048, 9}, { 0x01A3, 11}, { 0x049E, 13}, { 0x002C, 9}, { 0x00FA, 10}, { 0x07D6, 11}, | |
| 1376 | { 0x0092, 10}, { 0x05CC, 13}, { 0x1EF1, 15}, { 0x00A3, 10}, { 0x03ED, 12}, { 0x093E, 14}, | |
| 1377 | { 0x01E2, 11}, { 0x1273, 15}, { 0x07C4, 11}, { 0x1487, 15}, { 0x0291, 12}, { 0x0293, 12}, | |
| 1378 | { 0x0F8A, 12}, { 0x0509, 13}, { 0x0508, 13}, { 0x078D, 13}, { 0x07BE, 13}, { 0x078C, 13}, | |
| 1379 | { 0x04AE, 14}, { 0x0BBA, 14}, { 0x2307, 14}, { 0x0B9A, 14}, { 0x1736, 15}, { 0x000E, 4}, | |
| 1380 | { 0x0045, 7}, { 0x01F3, 9}, { 0x047A, 11}, { 0x05DC, 13}, { 0x23DF, 14}, { 0x0019, 5}, | |
| 1381 | { 0x0028, 9}, { 0x0176, 11}, { 0x049D, 13}, { 0x23DD, 14}, { 0x0030, 6}, { 0x00A2, 10}, | |
| 1382 | { 0x02EF, 12}, { 0x05B8, 14}, { 0x003F, 6}, { 0x00A5, 10}, { 0x03DB, 12}, { 0x093F, 14}, | |
| 1383 | { 0x0044, 7}, { 0x07CB, 11}, { 0x095F, 15}, { 0x0063, 7}, { 0x03C3, 12}, { 0x0015, 8}, | |
| 1384 | { 0x08F6, 12}, { 0x0017, 8}, { 0x0498, 13}, { 0x002C, 8}, { 0x07B2, 13}, { 0x002F, 8}, | |
| 1385 | { 0x1F54, 13}, { 0x008D, 8}, { 0x07BD, 13}, { 0x008E, 8}, { 0x1182, 13}, { 0x00FB, 8}, | |
| 1386 | { 0x050B, 13}, { 0x002D, 8}, { 0x07C0, 11}, { 0x0079, 9}, { 0x1F5F, 13}, { 0x007A, 9}, | |
| 1387 | { 0x1F56, 13}, { 0x0231, 10}, { 0x03E4, 10}, { 0x01A1, 11}, { 0x0143, 11}, { 0x01F7, 11}, | |
| 1388 | { 0x016F, 12}, { 0x0292, 12}, { 0x02E7, 12}, { 0x016C, 12}, { 0x016D, 12}, { 0x03DC, 12}, | |
| 1389 | { 0x0F8B, 12}, { 0x0499, 13}, { 0x03D8, 12}, { 0x078E, 13}, { 0x02D5, 13}, { 0x1F5E, 13}, | |
| 1390 | { 0x1F2B, 13}, { 0x078F, 13}, { 0x04AD, 14}, { 0x3EAF, 14}, { 0x23DC, 14}, { 0x004A, 9} | |
| 1391 | }, | |
| 1392 | { | |
| 1393 | { 0x0000, 3}, { 0x0003, 4}, { 0x000B, 5}, { 0x0014, 6}, { 0x003F, 6}, { 0x005D, 7}, | |
| 1394 | { 0x00A2, 8}, { 0x00AC, 9}, { 0x016E, 9}, { 0x020A, 10}, { 0x02E2, 10}, { 0x0432, 11}, | |
| 1395 | { 0x05C9, 11}, { 0x0827, 12}, { 0x0B54, 12}, { 0x04E6, 13}, { 0x105F, 13}, { 0x172A, 13}, | |
| 1396 | { 0x20B2, 14}, { 0x2D4E, 14}, { 0x39F0, 14}, { 0x4175, 15}, { 0x5A9E, 15}, { 0x0004, 4}, | |
| 1397 | { 0x001E, 5}, { 0x0042, 7}, { 0x00B6, 8}, { 0x0173, 9}, { 0x0395, 10}, { 0x072E, 11}, | |
| 1398 | { 0x0B94, 12}, { 0x16A4, 13}, { 0x20B3, 14}, { 0x2E45, 14}, { 0x0005, 5}, { 0x0040, 7}, | |
| 1399 | { 0x0049, 9}, { 0x028F, 10}, { 0x05CB, 11}, { 0x048A, 13}, { 0x09DD, 14}, { 0x73E2, 15}, | |
| 1400 | { 0x0018, 5}, { 0x0025, 8}, { 0x008A, 10}, { 0x051B, 11}, { 0x0E5F, 12}, { 0x09C9, 14}, | |
| 1401 | { 0x139C, 15}, { 0x0029, 6}, { 0x004F, 9}, { 0x0412, 11}, { 0x048D, 13}, { 0x2E41, 14}, | |
| 1402 | { 0x0038, 6}, { 0x010E, 9}, { 0x05A8, 11}, { 0x105C, 13}, { 0x39F2, 14}, { 0x0058, 7}, | |
| 1403 | { 0x021F, 10}, { 0x0E7E, 12}, { 0x39FF, 14}, { 0x0023, 8}, { 0x02E3, 10}, { 0x04E5, 13}, | |
| 1404 | { 0x2E40, 14}, { 0x00A1, 8}, { 0x05BE, 11}, { 0x09C8, 14}, { 0x0083, 8}, { 0x013A, 11}, | |
| 1405 | { 0x1721, 13}, { 0x0044, 9}, { 0x0276, 12}, { 0x39F6, 14}, { 0x008B, 10}, { 0x04EF, 13}, | |
| 1406 | { 0x5A9B, 15}, { 0x0208, 10}, { 0x1CFE, 13}, { 0x0399, 10}, { 0x1CB4, 13}, { 0x039E, 10}, | |
| 1407 | { 0x39F3, 14}, { 0x05AB, 11}, { 0x73E3, 15}, { 0x0737, 11}, { 0x5A9F, 15}, { 0x082D, 12}, | |
| 1408 | { 0x0E69, 12}, { 0x0E68, 12}, { 0x0433, 11}, { 0x0B7B, 12}, { 0x2DF8, 14}, { 0x2E56, 14}, | |
| 1409 | { 0x2E57, 14}, { 0x39F7, 14}, { 0x51A5, 15}, { 0x0003, 3}, { 0x002A, 6}, { 0x00E4, 8}, | |
| 1410 | { 0x028E, 10}, { 0x0735, 11}, { 0x1058, 13}, { 0x1CFA, 13}, { 0x2DF9, 14}, { 0x4174, 15}, | |
| 1411 | { 0x0009, 4}, { 0x0054, 8}, { 0x0398, 10}, { 0x048B, 13}, { 0x139D, 15}, { 0x000D, 4}, | |
| 1412 | { 0x00AD, 9}, { 0x0826, 12}, { 0x2D4C, 14}, { 0x0011, 5}, { 0x016B, 9}, { 0x0B7F, 12}, | |
| 1413 | { 0x51A4, 15}, { 0x0019, 5}, { 0x021B, 10}, { 0x16FD, 13}, { 0x001D, 5}, { 0x0394, 10}, | |
| 1414 | { 0x28D3, 14}, { 0x002B, 6}, { 0x05BC, 11}, { 0x5A9A, 15}, { 0x002F, 6}, { 0x0247, 12}, | |
| 1415 | { 0x0010, 7}, { 0x0A35, 12}, { 0x003E, 6}, { 0x0B7A, 12}, { 0x0059, 7}, { 0x105E, 13}, | |
| 1416 | { 0x0026, 8}, { 0x09CF, 14}, { 0x0055, 8}, { 0x1CB5, 13}, { 0x0057, 8}, { 0x0E5B, 12}, | |
| 1417 | { 0x00A0, 8}, { 0x1468, 13}, { 0x0170, 9}, { 0x0090, 10}, { 0x01CE, 9}, { 0x021A, 10}, | |
| 1418 | { 0x0218, 10}, { 0x0168, 9}, { 0x021E, 10}, { 0x0244, 12}, { 0x0736, 11}, { 0x0138, 11}, | |
| 1419 | { 0x0519, 11}, { 0x0E5E, 12}, { 0x072C, 11}, { 0x0B55, 12}, { 0x09DC, 14}, { 0x20BB, 14}, | |
| 1420 | { 0x048C, 13}, { 0x1723, 13}, { 0x2E44, 14}, { 0x16A5, 13}, { 0x0518, 11}, { 0x39FE, 14}, | |
| 1421 | { 0x0169, 9} | |
| 1422 | }, | |
| 1423 | { | |
| 1424 | { 0x0001, 2}, { 0x0006, 3}, { 0x000F, 4}, { 0x0016, 5}, { 0x0020, 6}, { 0x0018, 7}, | |
| 1425 | { 0x0008, 8}, { 0x009A, 8}, { 0x0056, 9}, { 0x013E, 9}, { 0x00F0, 10}, { 0x03A5, 10}, | |
| 1426 | { 0x0077, 11}, { 0x01EF, 11}, { 0x009A, 12}, { 0x005D, 13}, { 0x0001, 4}, { 0x0011, 5}, | |
| 1427 | { 0x0002, 7}, { 0x000B, 8}, { 0x0012, 9}, { 0x01D6, 9}, { 0x027E, 10}, { 0x0191, 11}, | |
| 1428 | { 0x00EA, 12}, { 0x03DC, 12}, { 0x013B, 13}, { 0x0004, 5}, { 0x0014, 7}, { 0x009E, 8}, | |
| 1429 | { 0x0009, 10}, { 0x01AC, 11}, { 0x01E2, 11}, { 0x03CA, 12}, { 0x005F, 13}, { 0x0017, 5}, | |
| 1430 | { 0x004E, 7}, { 0x005E, 9}, { 0x00F3, 10}, { 0x01AD, 11}, { 0x00EC, 12}, { 0x05F0, 13}, | |
| 1431 | { 0x000E, 6}, { 0x00E1, 8}, { 0x03A4, 10}, { 0x009C, 12}, { 0x013D, 13}, { 0x003B, 6}, | |
| 1432 | { 0x001C, 9}, { 0x0014, 11}, { 0x09BE, 12}, { 0x0006, 7}, { 0x007A, 9}, { 0x0190, 11}, | |
| 1433 | { 0x0137, 13}, { 0x001B, 7}, { 0x0008, 10}, { 0x075C, 11}, { 0x0071, 7}, { 0x00D7, 10}, | |
| 1434 | { 0x09BF, 12}, { 0x0007, 8}, { 0x00AF, 10}, { 0x04CC, 11}, { 0x0034, 8}, { 0x0265, 10}, | |
| 1435 | { 0x009F, 12}, { 0x00E0, 8}, { 0x0016, 11}, { 0x0327, 12}, { 0x0015, 9}, { 0x017D, 11}, | |
| 1436 | { 0x0EBB, 12}, { 0x0014, 9}, { 0x00F6, 10}, { 0x01E4, 11}, { 0x00CB, 10}, { 0x099D, 12}, | |
| 1437 | { 0x00CA, 10}, { 0x02FC, 12}, { 0x017F, 11}, { 0x04CD, 11}, { 0x02FD, 12}, { 0x04FE, 11}, | |
| 1438 | { 0x013A, 13}, { 0x000A, 4}, { 0x0042, 7}, { 0x01D3, 9}, { 0x04DD, 11}, { 0x0012, 5}, | |
| 1439 | { 0x00E8, 8}, { 0x004C, 11}, { 0x0136, 13}, { 0x0039, 6}, { 0x0264, 10}, { 0x0EBA, 12}, | |
| 1440 | { 0x0000, 7}, { 0x00AE, 10}, { 0x099C, 12}, { 0x001F, 7}, { 0x04DE, 11}, { 0x0043, 7}, | |
| 1441 | { 0x04DC, 11}, { 0x0003, 8}, { 0x03CB, 12}, { 0x0006, 8}, { 0x099E, 12}, { 0x002A, 8}, | |
| 1442 | { 0x05F1, 13}, { 0x000F, 8}, { 0x09FE, 12}, { 0x0033, 8}, { 0x09FF, 12}, { 0x0098, 8}, | |
| 1443 | { 0x099F, 12}, { 0x00EA, 8}, { 0x013C, 13}, { 0x002E, 8}, { 0x0192, 11}, { 0x0136, 9}, | |
| 1444 | { 0x006A, 9}, { 0x0015, 11}, { 0x03AF, 10}, { 0x01E3, 11}, { 0x0074, 11}, { 0x00EB, 12}, | |
| 1445 | { 0x02F9, 12}, { 0x005C, 13}, { 0x00ED, 12}, { 0x03DD, 12}, { 0x0326, 12}, { 0x005E, 13}, | |
| 1446 | { 0x0016, 7} | |
| 1447 | }, | |
| 1448 | { | |
| 1449 | { 0x0004, 3}, { 0x0014, 5}, { 0x0017, 7}, { 0x007F, 8}, { 0x0154, 9}, { 0x01F2, 10}, | |
| 1450 | { 0x00BF, 11}, { 0x0065, 12}, { 0x0AAA, 12}, { 0x0630, 13}, { 0x1597, 13}, { 0x03B7, 14}, | |
| 1451 | { 0x2B22, 14}, { 0x0BE6, 15}, { 0x000B, 4}, { 0x0037, 7}, { 0x0062, 9}, { 0x0007, 11}, | |
| 1452 | { 0x0166, 12}, { 0x00CE, 13}, { 0x1590, 13}, { 0x05F6, 14}, { 0x0BE7, 15}, { 0x0007, 5}, | |
| 1453 | { 0x006D, 8}, { 0x0003, 11}, { 0x031F, 12}, { 0x05F2, 14}, { 0x0002, 6}, { 0x0061, 9}, | |
| 1454 | { 0x0055, 12}, { 0x01DF, 14}, { 0x001A, 6}, { 0x001E, 10}, { 0x0AC9, 12}, { 0x2B23, 14}, | |
| 1455 | { 0x001E, 6}, { 0x001F, 10}, { 0x0AC3, 12}, { 0x2B2B, 14}, { 0x0006, 7}, { 0x0004, 11}, | |
| 1456 | { 0x02F8, 13}, { 0x0019, 7}, { 0x0006, 11}, { 0x063D, 13}, { 0x0057, 7}, { 0x0182, 11}, | |
| 1457 | { 0x2AA2, 14}, { 0x0004, 8}, { 0x0180, 11}, { 0x059C, 14}, { 0x007D, 8}, { 0x0164, 12}, | |
| 1458 | { 0x076D, 15}, { 0x0002, 9}, { 0x018D, 11}, { 0x1581, 13}, { 0x00AD, 8}, { 0x0060, 12}, | |
| 1459 | { 0x0C67, 14}, { 0x001C, 9}, { 0x00EE, 13}, { 0x0003, 9}, { 0x02CF, 13}, { 0x00D9, 9}, | |
| 1460 | { 0x1580, 13}, { 0x0002, 11}, { 0x0183, 11}, { 0x0057, 12}, { 0x0061, 12}, { 0x0031, 11}, | |
| 1461 | { 0x0066, 12}, { 0x0631, 13}, { 0x0632, 13}, { 0x00AC, 13}, { 0x031D, 12}, { 0x0076, 12}, | |
| 1462 | { 0x003A, 11}, { 0x0165, 12}, { 0x0C66, 14}, { 0x0003, 2}, { 0x0054, 7}, { 0x02AB, 10}, | |
| 1463 | { 0x0016, 13}, { 0x05F7, 14}, { 0x0005, 4}, { 0x00F8, 9}, { 0x0AA9, 12}, { 0x005F, 15}, | |
| 1464 | { 0x0004, 4}, { 0x001C, 10}, { 0x1550, 13}, { 0x0004, 5}, { 0x0077, 11}, { 0x076C, 15}, | |
| 1465 | { 0x000E, 5}, { 0x000A, 12}, { 0x000C, 5}, { 0x0562, 11}, { 0x0004, 6}, { 0x031C, 12}, | |
| 1466 | { 0x0006, 6}, { 0x00C8, 13}, { 0x000D, 6}, { 0x01DA, 13}, { 0x0007, 6}, { 0x00C9, 13}, | |
| 1467 | { 0x0001, 7}, { 0x002E, 14}, { 0x0014, 7}, { 0x1596, 13}, { 0x000A, 7}, { 0x0AC2, 12}, | |
| 1468 | { 0x0016, 7}, { 0x015B, 14}, { 0x0015, 7}, { 0x015A, 14}, { 0x000F, 8}, { 0x005E, 15}, | |
| 1469 | { 0x007E, 8}, { 0x00AB, 8}, { 0x002D, 9}, { 0x00D8, 9}, { 0x000B, 9}, { 0x0014, 10}, | |
| 1470 | { 0x02B3, 10}, { 0x01F3, 10}, { 0x003A, 10}, { 0x0000, 10}, { 0x0058, 10}, { 0x002E, 9}, | |
| 1471 | { 0x005E, 10}, { 0x0563, 11}, { 0x00EC, 12}, { 0x0054, 12}, { 0x0AC1, 12}, { 0x1556, 13}, | |
| 1472 | { 0x02FA, 13}, { 0x0181, 11}, { 0x1557, 13}, { 0x059D, 14}, { 0x2AA3, 14}, { 0x2B2A, 14}, | |
| 1473 | { 0x01DE, 14}, { 0x063C, 13}, { 0x00CF, 13}, { 0x1594, 13}, { 0x000D, 9} | |
| 1474 | }, | |
| 1475 | { | |
| 1476 | { 0x0002, 2}, { 0x0006, 3}, { 0x000F, 4}, { 0x000D, 5}, { 0x000C, 5}, { 0x0015, 6}, | |
| 1477 | { 0x0013, 6}, { 0x0012, 6}, { 0x0017, 7}, { 0x001F, 8}, { 0x001E, 8}, { 0x001D, 8}, | |
| 1478 | { 0x0025, 9}, { 0x0024, 9}, { 0x0023, 9}, { 0x0021, 9}, { 0x0021, 10}, { 0x0020, 10}, | |
| 1479 | { 0x000F, 10}, { 0x000E, 10}, { 0x0007, 11}, { 0x0006, 11}, { 0x0020, 11}, { 0x0021, 11}, | |
| 1480 | { 0x0050, 12}, { 0x0051, 12}, { 0x0052, 12}, { 0x000E, 4}, { 0x0014, 6}, { 0x0016, 7}, | |
| 1481 | { 0x001C, 8}, { 0x0020, 9}, { 0x001F, 9}, { 0x000D, 10}, { 0x0022, 11}, { 0x0053, 12}, | |
| 1482 | { 0x0055, 12}, { 0x000B, 5}, { 0x0015, 7}, { 0x001E, 9}, { 0x000C, 10}, { 0x0056, 12}, | |
| 1483 | { 0x0011, 6}, { 0x001B, 8}, { 0x001D, 9}, { 0x000B, 10}, { 0x0010, 6}, { 0x0022, 9}, | |
| 1484 | { 0x000A, 10}, { 0x000D, 6}, { 0x001C, 9}, { 0x0008, 10}, { 0x0012, 7}, { 0x001B, 9}, | |
| 1485 | { 0x0054, 12}, { 0x0014, 7}, { 0x001A, 9}, { 0x0057, 12}, { 0x0019, 8}, { 0x0009, 10}, | |
| 1486 | { 0x0018, 8}, { 0x0023, 11}, { 0x0017, 8}, { 0x0019, 9}, { 0x0018, 9}, { 0x0007, 10}, | |
| 1487 | { 0x0058, 12}, { 0x0007, 4}, { 0x000C, 6}, { 0x0016, 8}, { 0x0017, 9}, { 0x0006, 10}, | |
| 1488 | { 0x0005, 11}, { 0x0004, 11}, { 0x0059, 12}, { 0x000F, 6}, { 0x0016, 9}, { 0x0005, 10}, | |
| 1489 | { 0x000E, 6}, { 0x0004, 10}, { 0x0011, 7}, { 0x0024, 11}, { 0x0010, 7}, { 0x0025, 11}, | |
| 1490 | { 0x0013, 7}, { 0x005A, 12}, { 0x0015, 8}, { 0x005B, 12}, { 0x0014, 8}, { 0x0013, 8}, | |
| 1491 | { 0x001A, 8}, { 0x0015, 9}, { 0x0014, 9}, { 0x0013, 9}, { 0x0012, 9}, { 0x0011, 9}, | |
| 1492 | { 0x0026, 11}, { 0x0027, 11}, { 0x005C, 12}, { 0x005D, 12}, { 0x005E, 12}, { 0x005F, 12}, | |
| 1493 | { 0x0003, 7} | |
| 1494 | }, | |
| 1495 | { | |
| 1496 | { 0x0002, 2}, { 0x000F, 4}, { 0x0015, 6}, { 0x0017, 7}, { 0x001F, 8}, { 0x0025, 9}, | |
| 1497 | { 0x0024, 9}, { 0x0021, 10}, { 0x0020, 10}, { 0x0007, 11}, { 0x0006, 11}, { 0x0020, 11}, | |
| 1498 | { 0x0006, 3}, { 0x0014, 6}, { 0x001E, 8}, { 0x000F, 10}, { 0x0021, 11}, { 0x0050, 12}, | |
| 1499 | { 0x000E, 4}, { 0x001D, 8}, { 0x000E, 10}, { 0x0051, 12}, { 0x000D, 5}, { 0x0023, 9}, | |
| 1500 | { 0x000D, 10}, { 0x000C, 5}, { 0x0022, 9}, { 0x0052, 12}, { 0x000B, 5}, { 0x000C, 10}, | |
| 1501 | { 0x0053, 12}, { 0x0013, 6}, { 0x000B, 10}, { 0x0054, 12}, { 0x0012, 6}, { 0x000A, 10}, | |
| 1502 | { 0x0011, 6}, { 0x0009, 10}, { 0x0010, 6}, { 0x0008, 10}, { 0x0016, 7}, { 0x0055, 12}, | |
| 1503 | { 0x0015, 7}, { 0x0014, 7}, { 0x001C, 8}, { 0x001B, 8}, { 0x0021, 9}, { 0x0020, 9}, | |
| 1504 | { 0x001F, 9}, { 0x001E, 9}, { 0x001D, 9}, { 0x001C, 9}, { 0x001B, 9}, { 0x001A, 9}, | |
| 1505 | { 0x0022, 11}, { 0x0023, 11}, { 0x0056, 12}, { 0x0057, 12}, { 0x0007, 4}, { 0x0019, 9}, | |
| 1506 | { 0x0005, 11}, { 0x000F, 6}, { 0x0004, 11}, { 0x000E, 6}, { 0x000D, 6}, { 0x000C, 6}, | |
| 1507 | { 0x0013, 7}, { 0x0012, 7}, { 0x0011, 7}, { 0x0010, 7}, { 0x001A, 8}, { 0x0019, 8}, | |
| 1508 | { 0x0018, 8}, { 0x0017, 8}, { 0x0016, 8}, { 0x0015, 8}, { 0x0014, 8}, { 0x0013, 8}, | |
| 1509 | { 0x0018, 9}, { 0x0017, 9}, { 0x0016, 9}, { 0x0015, 9}, { 0x0014, 9}, { 0x0013, 9}, | |
| 1510 | { 0x0012, 9}, { 0x0011, 9}, { 0x0007, 10}, { 0x0006, 10}, { 0x0005, 10}, { 0x0004, 10}, | |
| 1511 | { 0x0024, 11}, { 0x0025, 11}, { 0x0026, 11}, { 0x0027, 11}, { 0x0058, 12}, { 0x0059, 12}, | |
| 1512 | { 0x005A, 12}, { 0x005B, 12}, { 0x005C, 12}, { 0x005D, 12}, { 0x005E, 12}, { 0x005F, 12}, | |
| 1513 | { 0x0003, 7} | |
| 1514 | }, | |
| 1515 | { | |
| 1516 | { 0x0000, 2}, { 0x0003, 3}, { 0x000D, 4}, { 0x0005, 4}, { 0x001C, 5}, { 0x0016, 5}, | |
| 1517 | { 0x003F, 6}, { 0x003A, 6}, { 0x002E, 6}, { 0x0022, 6}, { 0x007B, 7}, { 0x0067, 7}, | |
| 1518 | { 0x005F, 7}, { 0x0047, 7}, { 0x0026, 7}, { 0x00EF, 8}, { 0x00CD, 8}, { 0x00C1, 8}, | |
| 1519 | { 0x00A9, 8}, { 0x004F, 8}, { 0x01F2, 9}, { 0x01DD, 9}, { 0x0199, 9}, { 0x0185, 9}, | |
| 1520 | { 0x015D, 9}, { 0x011B, 9}, { 0x03EF, 10}, { 0x03E1, 10}, { 0x03C8, 10}, { 0x0331, 10}, | |
| 1521 | { 0x0303, 10}, { 0x02F1, 10}, { 0x02A0, 10}, { 0x0233, 10}, { 0x0126, 10}, { 0x07C0, 11}, | |
| 1522 | { 0x076F, 11}, { 0x076C, 11}, { 0x0661, 11}, { 0x0604, 11}, { 0x0572, 11}, { 0x0551, 11}, | |
| 1523 | { 0x046A, 11}, { 0x0274, 11}, { 0x0F27, 12}, { 0x0F24, 12}, { 0x0EDB, 12}, { 0x0C8E, 12}, | |
| 1524 | { 0x0C0B, 12}, { 0x0C0A, 12}, { 0x0AE3, 12}, { 0x08D6, 12}, { 0x0490, 12}, { 0x0495, 12}, | |
| 1525 | { 0x1F19, 13}, { 0x1DB5, 13}, { 0x0009, 4}, { 0x0010, 5}, { 0x0029, 6}, { 0x0062, 7}, | |
| 1526 | { 0x00F3, 8}, { 0x00AD, 8}, { 0x01E5, 9}, { 0x0179, 9}, { 0x009C, 9}, { 0x03B1, 10}, | |
| 1527 | { 0x02AE, 10}, { 0x0127, 10}, { 0x076E, 11}, { 0x0570, 11}, { 0x0275, 11}, { 0x0F25, 12}, | |
| 1528 | { 0x0EC0, 12}, { 0x0AA0, 12}, { 0x08D7, 12}, { 0x1E4C, 13}, { 0x0008, 5}, { 0x0063, 7}, | |
| 1529 | { 0x00AF, 8}, { 0x017B, 9}, { 0x03B3, 10}, { 0x07DD, 11}, { 0x0640, 11}, { 0x0F8D, 12}, | |
| 1530 | { 0x0BC1, 12}, { 0x0491, 12}, { 0x0028, 6}, { 0x00C3, 8}, { 0x0151, 9}, { 0x02A1, 10}, | |
| 1531 | { 0x0573, 11}, { 0x0EC3, 12}, { 0x1F35, 13}, { 0x0065, 7}, { 0x01DA, 9}, { 0x02AF, 10}, | |
| 1532 | { 0x0277, 11}, { 0x08C9, 12}, { 0x1781, 13}, { 0x0025, 7}, { 0x0118, 9}, { 0x0646, 11}, | |
| 1533 | { 0x0AA6, 12}, { 0x1780, 13}, { 0x00C9, 8}, { 0x0321, 10}, { 0x0F9B, 12}, { 0x191E, 13}, | |
| 1534 | { 0x0048, 8}, { 0x07CC, 11}, { 0x0AA1, 12}, { 0x0180, 9}, { 0x0465, 11}, { 0x1905, 13}, | |
| 1535 | { 0x03E2, 10}, { 0x0EC1, 12}, { 0x3C9B, 14}, { 0x02F4, 10}, { 0x08C8, 12}, { 0x07C1, 11}, | |
| 1536 | { 0x0928, 13}, { 0x05E1, 11}, { 0x320D, 14}, { 0x0EC2, 12}, { 0x6418, 15}, { 0x1F34, 13}, | |
| 1537 | { 0x0078, 7}, { 0x0155, 9}, { 0x0552, 11}, { 0x191F, 13}, { 0x00FA, 8}, { 0x07DC, 11}, | |
| 1538 | { 0x1907, 13}, { 0x00AC, 8}, { 0x0249, 11}, { 0x13B1, 14}, { 0x01F6, 9}, { 0x0AE2, 12}, | |
| 1539 | { 0x01DC, 9}, { 0x04ED, 12}, { 0x0184, 9}, { 0x1904, 13}, { 0x0156, 9}, { 0x09D9, 13}, | |
| 1540 | { 0x03E7, 10}, { 0x0929, 13}, { 0x03B2, 10}, { 0x3B68, 14}, { 0x02F5, 10}, { 0x13B0, 14}, | |
| 1541 | { 0x0322, 10}, { 0x3B69, 14}, { 0x0234, 10}, { 0x7935, 15}, { 0x07C7, 11}, { 0xC833, 16}, | |
| 1542 | { 0x0660, 11}, { 0x7934, 15}, { 0x024B, 11}, { 0xC832, 16}, { 0x0AA7, 12}, { 0x1F18, 13}, | |
| 1543 | { 0x007A, 7} | |
| 1544 | }, | |
| 1545 | { | |
| 1546 | { 0x0002, 2}, { 0x0000, 3}, { 0x001E, 5}, { 0x0004, 5}, { 0x0012, 6}, { 0x0070, 7}, | |
| 1547 | { 0x001A, 7}, { 0x005F, 8}, { 0x0047, 8}, { 0x01D3, 9}, { 0x00B5, 9}, { 0x0057, 9}, | |
| 1548 | { 0x03B5, 10}, { 0x016D, 10}, { 0x0162, 10}, { 0x07CE, 11}, { 0x0719, 11}, { 0x0691, 11}, | |
| 1549 | { 0x02C6, 11}, { 0x0156, 11}, { 0x0F92, 12}, { 0x0D2E, 12}, { 0x0D20, 12}, { 0x059E, 12}, | |
| 1550 | { 0x0468, 12}, { 0x02A6, 12}, { 0x1DA2, 13}, { 0x1C60, 13}, { 0x1A43, 13}, { 0x0B1D, 13}, | |
| 1551 | { 0x08C0, 13}, { 0x055D, 13}, { 0x0003, 3}, { 0x000A, 5}, { 0x0077, 7}, { 0x00E5, 8}, | |
| 1552 | { 0x01D9, 9}, { 0x03E5, 10}, { 0x0166, 10}, { 0x0694, 11}, { 0x0152, 11}, { 0x059F, 12}, | |
| 1553 | { 0x1F3C, 13}, { 0x1A4B, 13}, { 0x055E, 13}, { 0x000C, 4}, { 0x007D, 7}, { 0x0044, 8}, | |
| 1554 | { 0x03E0, 10}, { 0x0769, 11}, { 0x0E31, 12}, { 0x1F26, 13}, { 0x055C, 13}, { 0x001B, 5}, | |
| 1555 | { 0x00E2, 8}, { 0x03A5, 10}, { 0x02C9, 11}, { 0x1F23, 13}, { 0x3B47, 14}, { 0x0007, 5}, | |
| 1556 | { 0x01D8, 9}, { 0x02D8, 11}, { 0x1F27, 13}, { 0x3494, 14}, { 0x0035, 6}, { 0x03E1, 10}, | |
| 1557 | { 0x059C, 12}, { 0x38C3, 14}, { 0x000C, 6}, { 0x0165, 10}, { 0x1D23, 13}, { 0x1638, 14}, | |
| 1558 | { 0x0068, 7}, { 0x0693, 11}, { 0x3A45, 14}, { 0x0020, 7}, { 0x0F90, 12}, { 0x7CF6, 15}, | |
| 1559 | { 0x00E8, 8}, { 0x058F, 12}, { 0x2CEF, 15}, { 0x0045, 8}, { 0x0B3A, 13}, { 0x01F1, 9}, | |
| 1560 | { 0x3B46, 14}, { 0x01A7, 9}, { 0x1676, 14}, { 0x0056, 9}, { 0x692A, 15}, { 0x038D, 10}, | |
| 1561 | { 0xE309, 16}, { 0x00AA, 10}, { 0x1C611, 17}, { 0x02DF, 11}, { 0xB3B9, 17}, { 0x02C8, 11}, | |
| 1562 | { 0x38C20, 18}, { 0x01B0, 11}, { 0x16390, 18}, { 0x0F9F, 12}, { 0x16771, 18}, { 0x0ED0, 12}, | |
| 1563 | { 0x71843, 19}, { 0x0D2A, 12}, { 0xF9E8C, 20}, { 0x0461, 12}, { 0xF9E8E, 20}, { 0x0B67, 13}, | |
| 1564 | { 0x055F, 13}, { 0x003F, 6}, { 0x006D, 9}, { 0x0E90, 12}, { 0x054E, 13}, { 0x0013, 6}, | |
| 1565 | { 0x0119, 10}, { 0x0B66, 13}, { 0x000B, 6}, { 0x0235, 11}, { 0x7CF5, 15}, { 0x0075, 7}, | |
| 1566 | { 0x0D24, 12}, { 0xF9E9, 16}, { 0x002E, 7}, { 0x1F22, 13}, { 0x0021, 7}, { 0x054F, 13}, | |
| 1567 | { 0x0014, 7}, { 0x3A44, 14}, { 0x00E4, 8}, { 0x7CF7, 15}, { 0x005E, 8}, { 0x7185, 15}, | |
| 1568 | { 0x0037, 8}, { 0x2C73, 15}, { 0x01DB, 9}, { 0x59DD, 16}, { 0x01C7, 9}, { 0x692B, 15}, | |
| 1569 | { 0x01A6, 9}, { 0x58E5, 16}, { 0x00B4, 9}, { 0x1F3D0, 17}, { 0x00B0, 9}, { 0xB1C9, 17}, | |
| 1570 | { 0x03E6, 10}, { 0x16770, 18}, { 0x016E, 10}, { 0x3E7A2, 18}, { 0x011B, 10}, { 0xF9E8D, 20}, | |
| 1571 | { 0x00D9, 10}, { 0xF9E8F, 20}, { 0x00A8, 10}, { 0x2C723, 19}, { 0x0749, 11}, { 0xE3084, 20}, | |
| 1572 | { 0x0696, 11}, { 0x58E45, 20}, { 0x02DE, 11}, { 0xB1C88, 21}, { 0x0231, 11}, { 0x1C610A, 21}, | |
| 1573 | { 0x01B1, 11}, { 0x71842D, 23}, { 0x0D2B, 12}, { 0x38C217, 22}, { 0x0D2F, 12}, { 0x163913, 22}, | |
| 1574 | { 0x05B2, 12}, { 0x163912, 22}, { 0x0469, 12}, { 0x71842C, 23}, { 0x1A42, 13}, { 0x08C1, 13}, | |
| 1575 | { 0x0073, 7} | |
| 1576 | } | |
| 1577 | }; | |
| 1578 | ||
| 1579 | static const uint16_t vlc_offs[] = { | |
| 1580 | 0, 520, 552, 616, 1128, 1160, 1224, 1740, 1772, 1836, 1900, 2436, | |
| 1581 | 2986, 3050, 3610, 4154, 4218, 4746, 5326, 5390, 5902, 6554, 7658, 8342, | |
| 1582 | 9304, 9988, 10630, 11234, 12174, 13006, 13560, 14232, 14786, 15432, 16350, 17522, | |
| 1583 | 20372, 21818, 22330, 22394, 23166, 23678, 23742, 24820, 25332, 25396, 26460, 26980, | |
| 1584 | 27048, 27592, 27600, 27608, 27616, 27624, 28224, 28258, 28290, 28802, 28834, 28866, | |
| 1585 | 29378, 29412, 29444, 29960, 29994, 30026, 30538, 30572, 30604, 31120, 31154, 31186, | |
| 1586 | 31714, 31746, 31778, 32306, 32340, 32372 | |
| 1587 | }; | |
| 1588 | ||
| 1589 | /** | |
| 1590 | * Init VC-1 specific tables and VC1Context members | |
| 1591 | * @param v The VC1Context to initialize | |
| 1592 | * @return Status | |
| 1593 | */ | |
| 1594 | av_cold int ff_vc1_init_common(VC1Context *v) | |
| 1595 | { | |
| 1596 | static int done = 0; | |
| 1597 | int i = 0; | |
| 1598 | static VLC_TYPE vlc_table[32372][2]; | |
| 1599 | ||
| 1600 | v->hrd_rate = v->hrd_buffer = NULL; | |
| 1601 | ||
| 1602 | /* VLC tables */ | |
| 1603 | if (!done) { | |
| 1604 | INIT_VLC_STATIC(&ff_vc1_bfraction_vlc, VC1_BFRACTION_VLC_BITS, 23, | |
| 1605 | ff_vc1_bfraction_bits, 1, 1, | |
| 1606 | ff_vc1_bfraction_codes, 1, 1, 1 << VC1_BFRACTION_VLC_BITS); | |
| 1607 | INIT_VLC_STATIC(&ff_vc1_norm2_vlc, VC1_NORM2_VLC_BITS, 4, | |
| 1608 | ff_vc1_norm2_bits, 1, 1, | |
| 1609 | ff_vc1_norm2_codes, 1, 1, 1 << VC1_NORM2_VLC_BITS); | |
| 1610 | INIT_VLC_STATIC(&ff_vc1_norm6_vlc, VC1_NORM6_VLC_BITS, 64, | |
| 1611 | ff_vc1_norm6_bits, 1, 1, | |
| 1612 | ff_vc1_norm6_codes, 2, 2, 556); | |
| 1613 | INIT_VLC_STATIC(&ff_vc1_imode_vlc, VC1_IMODE_VLC_BITS, 7, | |
| 1614 | ff_vc1_imode_bits, 1, 1, | |
| 1615 | ff_vc1_imode_codes, 1, 1, 1 << VC1_IMODE_VLC_BITS); | |
| 1616 | for (i = 0; i < 3; i++) { | |
| 1617 | ff_vc1_ttmb_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 0]]; | |
| 1618 | ff_vc1_ttmb_vlc[i].table_allocated = vlc_offs[i * 3 + 1] - vlc_offs[i * 3 + 0]; | |
| 1619 | init_vlc(&ff_vc1_ttmb_vlc[i], VC1_TTMB_VLC_BITS, 16, | |
| 1620 | ff_vc1_ttmb_bits[i], 1, 1, | |
| 1621 | ff_vc1_ttmb_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); | |
| 1622 | ff_vc1_ttblk_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 1]]; | |
| 1623 | ff_vc1_ttblk_vlc[i].table_allocated = vlc_offs[i * 3 + 2] - vlc_offs[i * 3 + 1]; | |
| 1624 | init_vlc(&ff_vc1_ttblk_vlc[i], VC1_TTBLK_VLC_BITS, 8, | |
| 1625 | ff_vc1_ttblk_bits[i], 1, 1, | |
| 1626 | ff_vc1_ttblk_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); | |
| 1627 | ff_vc1_subblkpat_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 2]]; | |
| 1628 | ff_vc1_subblkpat_vlc[i].table_allocated = vlc_offs[i * 3 + 3] - vlc_offs[i * 3 + 2]; | |
| 1629 | init_vlc(&ff_vc1_subblkpat_vlc[i], VC1_SUBBLKPAT_VLC_BITS, 15, | |
| 1630 | ff_vc1_subblkpat_bits[i], 1, 1, | |
| 1631 | ff_vc1_subblkpat_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); | |
| 1632 | } | |
| 1633 | for (i = 0; i < 4; i++) { | |
| 1634 | ff_vc1_4mv_block_pattern_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 9]]; | |
| 1635 | ff_vc1_4mv_block_pattern_vlc[i].table_allocated = vlc_offs[i * 3 + 10] - vlc_offs[i * 3 + 9]; | |
| 1636 | init_vlc(&ff_vc1_4mv_block_pattern_vlc[i], VC1_4MV_BLOCK_PATTERN_VLC_BITS, 16, | |
| 1637 | ff_vc1_4mv_block_pattern_bits[i], 1, 1, | |
| 1638 | ff_vc1_4mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); | |
| 1639 | ff_vc1_cbpcy_p_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 10]]; | |
| 1640 | ff_vc1_cbpcy_p_vlc[i].table_allocated = vlc_offs[i * 3 + 11] - vlc_offs[i * 3 + 10]; | |
| 1641 | init_vlc(&ff_vc1_cbpcy_p_vlc[i], VC1_CBPCY_P_VLC_BITS, 64, | |
| 1642 | ff_vc1_cbpcy_p_bits[i], 1, 1, | |
| 1643 | ff_vc1_cbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); | |
| 1644 | ff_vc1_mv_diff_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 11]]; | |
| 1645 | ff_vc1_mv_diff_vlc[i].table_allocated = vlc_offs[i * 3 + 12] - vlc_offs[i * 3 + 11]; | |
| 1646 | init_vlc(&ff_vc1_mv_diff_vlc[i], VC1_MV_DIFF_VLC_BITS, 73, | |
| 1647 | ff_vc1_mv_diff_bits[i], 1, 1, | |
| 1648 | ff_vc1_mv_diff_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); | |
| 1649 | } | |
| 1650 | for (i = 0; i < 8; i++) { | |
| 1651 | ff_vc1_ac_coeff_table[i].table = &vlc_table[vlc_offs[i * 2 + 21]]; | |
| 1652 | ff_vc1_ac_coeff_table[i].table_allocated = vlc_offs[i * 2 + 22] - vlc_offs[i * 2 + 21]; | |
| 1653 | init_vlc(&ff_vc1_ac_coeff_table[i], AC_VLC_BITS, ff_vc1_ac_sizes[i], | |
| 1654 | &vc1_ac_tables[i][0][1], 8, 4, | |
| 1655 | &vc1_ac_tables[i][0][0], 8, 4, INIT_VLC_USE_NEW_STATIC); | |
| 1656 | /* initialize interlaced MVDATA tables (2-Ref) */ | |
| 1657 | ff_vc1_2ref_mvdata_vlc[i].table = &vlc_table[vlc_offs[i * 2 + 22]]; | |
| 1658 | ff_vc1_2ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 2 + 23] - vlc_offs[i * 2 + 22]; | |
| 1659 | init_vlc(&ff_vc1_2ref_mvdata_vlc[i], VC1_2REF_MVDATA_VLC_BITS, 126, | |
| 1660 | ff_vc1_2ref_mvdata_bits[i], 1, 1, | |
| 1661 | ff_vc1_2ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC); | |
| 1662 | } | |
| 1663 | for (i = 0; i < 4; i++) { | |
| 1664 | /* initialize 4MV MBMODE VLC tables for interlaced frame P picture */ | |
| 1665 | ff_vc1_intfr_4mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 37]]; | |
| 1666 | ff_vc1_intfr_4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 38] - vlc_offs[i * 3 + 37]; | |
| 1667 | init_vlc(&ff_vc1_intfr_4mv_mbmode_vlc[i], VC1_INTFR_4MV_MBMODE_VLC_BITS, 15, | |
| 1668 | ff_vc1_intfr_4mv_mbmode_bits[i], 1, 1, | |
| 1669 | ff_vc1_intfr_4mv_mbmode_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); | |
| 1670 | /* initialize NON-4MV MBMODE VLC tables for the same */ | |
| 1671 | ff_vc1_intfr_non4mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 38]]; | |
| 1672 | ff_vc1_intfr_non4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 39] - vlc_offs[i * 3 + 38]; | |
| 1673 | init_vlc(&ff_vc1_intfr_non4mv_mbmode_vlc[i], VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 9, | |
| 1674 | ff_vc1_intfr_non4mv_mbmode_bits[i], 1, 1, | |
| 1675 | ff_vc1_intfr_non4mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); | |
| 1676 | /* initialize interlaced MVDATA tables (1-Ref) */ | |
| 1677 | ff_vc1_1ref_mvdata_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 39]]; | |
| 1678 | ff_vc1_1ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 3 + 40] - vlc_offs[i * 3 + 39]; | |
| 1679 | init_vlc(&ff_vc1_1ref_mvdata_vlc[i], VC1_1REF_MVDATA_VLC_BITS, 72, | |
| 1680 | ff_vc1_1ref_mvdata_bits[i], 1, 1, | |
| 1681 | ff_vc1_1ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC); | |
| 1682 | } | |
| 1683 | for (i = 0; i < 4; i++) { | |
| 1684 | /* Initialize 2MV Block pattern VLC tables */ | |
| 1685 | ff_vc1_2mv_block_pattern_vlc[i].table = &vlc_table[vlc_offs[i + 49]]; | |
| 1686 | ff_vc1_2mv_block_pattern_vlc[i].table_allocated = vlc_offs[i + 50] - vlc_offs[i + 49]; | |
| 1687 | init_vlc(&ff_vc1_2mv_block_pattern_vlc[i], VC1_2MV_BLOCK_PATTERN_VLC_BITS, 4, | |
| 1688 | ff_vc1_2mv_block_pattern_bits[i], 1, 1, | |
| 1689 | ff_vc1_2mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); | |
| 1690 | } | |
| 1691 | for (i = 0; i < 8; i++) { | |
| 1692 | /* Initialize interlaced CBPCY VLC tables (Table 124 - Table 131) */ | |
| 1693 | ff_vc1_icbpcy_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 53]]; | |
| 1694 | ff_vc1_icbpcy_vlc[i].table_allocated = vlc_offs[i * 3 + 54] - vlc_offs[i * 3 + 53]; | |
| 1695 | init_vlc(&ff_vc1_icbpcy_vlc[i], VC1_ICBPCY_VLC_BITS, 63, | |
| 1696 | ff_vc1_icbpcy_p_bits[i], 1, 1, | |
| 1697 | ff_vc1_icbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); | |
| 1698 | /* Initialize interlaced field picture MBMODE VLC tables */ | |
| 1699 | ff_vc1_if_mmv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 54]]; | |
| 1700 | ff_vc1_if_mmv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 55] - vlc_offs[i * 3 + 54]; | |
| 1701 | init_vlc(&ff_vc1_if_mmv_mbmode_vlc[i], VC1_IF_MMV_MBMODE_VLC_BITS, 8, | |
| 1702 | ff_vc1_if_mmv_mbmode_bits[i], 1, 1, | |
| 1703 | ff_vc1_if_mmv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); | |
| 1704 | ff_vc1_if_1mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 55]]; | |
| 1705 | ff_vc1_if_1mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 56] - vlc_offs[i * 3 + 55]; | |
| 1706 | init_vlc(&ff_vc1_if_1mv_mbmode_vlc[i], VC1_IF_1MV_MBMODE_VLC_BITS, 6, | |
| 1707 | ff_vc1_if_1mv_mbmode_bits[i], 1, 1, | |
| 1708 | ff_vc1_if_1mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); | |
| 1709 | } | |
| 1710 | done = 1; | |
| 1711 | } | |
| 1712 | ||
| 1713 | /* Other defaults */ | |
| 1714 | v->pq = -1; | |
| 1715 | v->mvrange = 0; /* 7.1.1.18, p80 */ | |
| 1716 | ||
| 1717 | ff_vc1dsp_init(&v->vc1dsp); | |
| 1718 | ||
| 1719 | return 0; | |
| 1720 | } |