| 1 | /* |
| 2 | * HEVC video Decoder |
| 3 | * |
| 4 | * Copyright (C) 2012 - 2013 Guillaume Martres |
| 5 | * Copyright (C) 2012 - 2013 Mickael Raulet |
| 6 | * Copyright (C) 2012 - 2013 Gildas Cocherel |
| 7 | * Copyright (C) 2012 - 2013 Wassim Hamidouche |
| 8 | * |
| 9 | * This file is part of FFmpeg. |
| 10 | * |
| 11 | * FFmpeg is free software; you can redistribute it and/or |
| 12 | * modify it under the terms of the GNU Lesser General Public |
| 13 | * License as published by the Free Software Foundation; either |
| 14 | * version 2.1 of the License, or (at your option) any later version. |
| 15 | * |
| 16 | * FFmpeg is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 19 | * Lesser General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU Lesser General Public |
| 22 | * License along with FFmpeg; if not, write to the Free Software |
| 23 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 24 | */ |
| 25 | |
| 26 | #include "libavutil/atomic.h" |
| 27 | #include "libavutil/attributes.h" |
| 28 | #include "libavutil/common.h" |
| 29 | #include "libavutil/display.h" |
| 30 | #include "libavutil/internal.h" |
| 31 | #include "libavutil/md5.h" |
| 32 | #include "libavutil/opt.h" |
| 33 | #include "libavutil/pixdesc.h" |
| 34 | #include "libavutil/stereo3d.h" |
| 35 | |
| 36 | #include "bswapdsp.h" |
| 37 | #include "bytestream.h" |
| 38 | #include "cabac_functions.h" |
| 39 | #include "golomb.h" |
| 40 | #include "hevc.h" |
| 41 | |
| 42 | const uint8_t ff_hevc_pel_weight[65] = { [2] = 0, [4] = 1, [6] = 2, [8] = 3, [12] = 4, [16] = 5, [24] = 6, [32] = 7, [48] = 8, [64] = 9 }; |
| 43 | |
| 44 | /** |
| 45 | * NOTE: Each function hls_foo correspond to the function foo in the |
| 46 | * specification (HLS stands for High Level Syntax). |
| 47 | */ |
| 48 | |
| 49 | /** |
| 50 | * Section 5.7 |
| 51 | */ |
| 52 | |
| 53 | /* free everything allocated by pic_arrays_init() */ |
| 54 | static void pic_arrays_free(HEVCContext *s) |
| 55 | { |
| 56 | av_freep(&s->sao); |
| 57 | av_freep(&s->deblock); |
| 58 | |
| 59 | av_freep(&s->skip_flag); |
| 60 | av_freep(&s->tab_ct_depth); |
| 61 | |
| 62 | av_freep(&s->tab_ipm); |
| 63 | av_freep(&s->cbf_luma); |
| 64 | av_freep(&s->is_pcm); |
| 65 | |
| 66 | av_freep(&s->qp_y_tab); |
| 67 | av_freep(&s->tab_slice_address); |
| 68 | av_freep(&s->filter_slice_edges); |
| 69 | |
| 70 | av_freep(&s->horizontal_bs); |
| 71 | av_freep(&s->vertical_bs); |
| 72 | |
| 73 | av_freep(&s->sh.entry_point_offset); |
| 74 | av_freep(&s->sh.size); |
| 75 | av_freep(&s->sh.offset); |
| 76 | |
| 77 | av_buffer_pool_uninit(&s->tab_mvf_pool); |
| 78 | av_buffer_pool_uninit(&s->rpl_tab_pool); |
| 79 | } |
| 80 | |
| 81 | /* allocate arrays that depend on frame dimensions */ |
| 82 | static int pic_arrays_init(HEVCContext *s, const HEVCSPS *sps) |
| 83 | { |
| 84 | int log2_min_cb_size = sps->log2_min_cb_size; |
| 85 | int width = sps->width; |
| 86 | int height = sps->height; |
| 87 | int pic_size_in_ctb = ((width >> log2_min_cb_size) + 1) * |
| 88 | ((height >> log2_min_cb_size) + 1); |
| 89 | int ctb_count = sps->ctb_width * sps->ctb_height; |
| 90 | int min_pu_size = sps->min_pu_width * sps->min_pu_height; |
| 91 | |
| 92 | s->bs_width = (width >> 2) + 1; |
| 93 | s->bs_height = (height >> 2) + 1; |
| 94 | |
| 95 | s->sao = av_mallocz_array(ctb_count, sizeof(*s->sao)); |
| 96 | s->deblock = av_mallocz_array(ctb_count, sizeof(*s->deblock)); |
| 97 | if (!s->sao || !s->deblock) |
| 98 | goto fail; |
| 99 | |
| 100 | s->skip_flag = av_malloc(sps->min_cb_height * sps->min_cb_width); |
| 101 | s->tab_ct_depth = av_malloc_array(sps->min_cb_height, sps->min_cb_width); |
| 102 | if (!s->skip_flag || !s->tab_ct_depth) |
| 103 | goto fail; |
| 104 | |
| 105 | s->cbf_luma = av_malloc_array(sps->min_tb_width, sps->min_tb_height); |
| 106 | s->tab_ipm = av_mallocz(min_pu_size); |
| 107 | s->is_pcm = av_malloc((sps->min_pu_width + 1) * (sps->min_pu_height + 1)); |
| 108 | if (!s->tab_ipm || !s->cbf_luma || !s->is_pcm) |
| 109 | goto fail; |
| 110 | |
| 111 | s->filter_slice_edges = av_malloc(ctb_count); |
| 112 | s->tab_slice_address = av_malloc_array(pic_size_in_ctb, |
| 113 | sizeof(*s->tab_slice_address)); |
| 114 | s->qp_y_tab = av_malloc_array(pic_size_in_ctb, |
| 115 | sizeof(*s->qp_y_tab)); |
| 116 | if (!s->qp_y_tab || !s->filter_slice_edges || !s->tab_slice_address) |
| 117 | goto fail; |
| 118 | |
| 119 | s->horizontal_bs = av_mallocz_array(s->bs_width, s->bs_height); |
| 120 | s->vertical_bs = av_mallocz_array(s->bs_width, s->bs_height); |
| 121 | if (!s->horizontal_bs || !s->vertical_bs) |
| 122 | goto fail; |
| 123 | |
| 124 | s->tab_mvf_pool = av_buffer_pool_init(min_pu_size * sizeof(MvField), |
| 125 | av_buffer_allocz); |
| 126 | s->rpl_tab_pool = av_buffer_pool_init(ctb_count * sizeof(RefPicListTab), |
| 127 | av_buffer_allocz); |
| 128 | if (!s->tab_mvf_pool || !s->rpl_tab_pool) |
| 129 | goto fail; |
| 130 | |
| 131 | return 0; |
| 132 | |
| 133 | fail: |
| 134 | pic_arrays_free(s); |
| 135 | return AVERROR(ENOMEM); |
| 136 | } |
| 137 | |
| 138 | static void pred_weight_table(HEVCContext *s, GetBitContext *gb) |
| 139 | { |
| 140 | int i = 0; |
| 141 | int j = 0; |
| 142 | uint8_t luma_weight_l0_flag[16]; |
| 143 | uint8_t chroma_weight_l0_flag[16]; |
| 144 | uint8_t luma_weight_l1_flag[16]; |
| 145 | uint8_t chroma_weight_l1_flag[16]; |
| 146 | |
| 147 | s->sh.luma_log2_weight_denom = get_ue_golomb_long(gb); |
| 148 | if (s->sps->chroma_format_idc != 0) { |
| 149 | int delta = get_se_golomb(gb); |
| 150 | s->sh.chroma_log2_weight_denom = av_clip(s->sh.luma_log2_weight_denom + delta, 0, 7); |
| 151 | } |
| 152 | |
| 153 | for (i = 0; i < s->sh.nb_refs[L0]; i++) { |
| 154 | luma_weight_l0_flag[i] = get_bits1(gb); |
| 155 | if (!luma_weight_l0_flag[i]) { |
| 156 | s->sh.luma_weight_l0[i] = 1 << s->sh.luma_log2_weight_denom; |
| 157 | s->sh.luma_offset_l0[i] = 0; |
| 158 | } |
| 159 | } |
| 160 | if (s->sps->chroma_format_idc != 0) { |
| 161 | for (i = 0; i < s->sh.nb_refs[L0]; i++) |
| 162 | chroma_weight_l0_flag[i] = get_bits1(gb); |
| 163 | } else { |
| 164 | for (i = 0; i < s->sh.nb_refs[L0]; i++) |
| 165 | chroma_weight_l0_flag[i] = 0; |
| 166 | } |
| 167 | for (i = 0; i < s->sh.nb_refs[L0]; i++) { |
| 168 | if (luma_weight_l0_flag[i]) { |
| 169 | int delta_luma_weight_l0 = get_se_golomb(gb); |
| 170 | s->sh.luma_weight_l0[i] = (1 << s->sh.luma_log2_weight_denom) + delta_luma_weight_l0; |
| 171 | s->sh.luma_offset_l0[i] = get_se_golomb(gb); |
| 172 | } |
| 173 | if (chroma_weight_l0_flag[i]) { |
| 174 | for (j = 0; j < 2; j++) { |
| 175 | int delta_chroma_weight_l0 = get_se_golomb(gb); |
| 176 | int delta_chroma_offset_l0 = get_se_golomb(gb); |
| 177 | s->sh.chroma_weight_l0[i][j] = (1 << s->sh.chroma_log2_weight_denom) + delta_chroma_weight_l0; |
| 178 | s->sh.chroma_offset_l0[i][j] = av_clip((delta_chroma_offset_l0 - ((128 * s->sh.chroma_weight_l0[i][j]) |
| 179 | >> s->sh.chroma_log2_weight_denom) + 128), -128, 127); |
| 180 | } |
| 181 | } else { |
| 182 | s->sh.chroma_weight_l0[i][0] = 1 << s->sh.chroma_log2_weight_denom; |
| 183 | s->sh.chroma_offset_l0[i][0] = 0; |
| 184 | s->sh.chroma_weight_l0[i][1] = 1 << s->sh.chroma_log2_weight_denom; |
| 185 | s->sh.chroma_offset_l0[i][1] = 0; |
| 186 | } |
| 187 | } |
| 188 | if (s->sh.slice_type == B_SLICE) { |
| 189 | for (i = 0; i < s->sh.nb_refs[L1]; i++) { |
| 190 | luma_weight_l1_flag[i] = get_bits1(gb); |
| 191 | if (!luma_weight_l1_flag[i]) { |
| 192 | s->sh.luma_weight_l1[i] = 1 << s->sh.luma_log2_weight_denom; |
| 193 | s->sh.luma_offset_l1[i] = 0; |
| 194 | } |
| 195 | } |
| 196 | if (s->sps->chroma_format_idc != 0) { |
| 197 | for (i = 0; i < s->sh.nb_refs[L1]; i++) |
| 198 | chroma_weight_l1_flag[i] = get_bits1(gb); |
| 199 | } else { |
| 200 | for (i = 0; i < s->sh.nb_refs[L1]; i++) |
| 201 | chroma_weight_l1_flag[i] = 0; |
| 202 | } |
| 203 | for (i = 0; i < s->sh.nb_refs[L1]; i++) { |
| 204 | if (luma_weight_l1_flag[i]) { |
| 205 | int delta_luma_weight_l1 = get_se_golomb(gb); |
| 206 | s->sh.luma_weight_l1[i] = (1 << s->sh.luma_log2_weight_denom) + delta_luma_weight_l1; |
| 207 | s->sh.luma_offset_l1[i] = get_se_golomb(gb); |
| 208 | } |
| 209 | if (chroma_weight_l1_flag[i]) { |
| 210 | for (j = 0; j < 2; j++) { |
| 211 | int delta_chroma_weight_l1 = get_se_golomb(gb); |
| 212 | int delta_chroma_offset_l1 = get_se_golomb(gb); |
| 213 | s->sh.chroma_weight_l1[i][j] = (1 << s->sh.chroma_log2_weight_denom) + delta_chroma_weight_l1; |
| 214 | s->sh.chroma_offset_l1[i][j] = av_clip((delta_chroma_offset_l1 - ((128 * s->sh.chroma_weight_l1[i][j]) |
| 215 | >> s->sh.chroma_log2_weight_denom) + 128), -128, 127); |
| 216 | } |
| 217 | } else { |
| 218 | s->sh.chroma_weight_l1[i][0] = 1 << s->sh.chroma_log2_weight_denom; |
| 219 | s->sh.chroma_offset_l1[i][0] = 0; |
| 220 | s->sh.chroma_weight_l1[i][1] = 1 << s->sh.chroma_log2_weight_denom; |
| 221 | s->sh.chroma_offset_l1[i][1] = 0; |
| 222 | } |
| 223 | } |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | static int decode_lt_rps(HEVCContext *s, LongTermRPS *rps, GetBitContext *gb) |
| 228 | { |
| 229 | const HEVCSPS *sps = s->sps; |
| 230 | int max_poc_lsb = 1 << sps->log2_max_poc_lsb; |
| 231 | int prev_delta_msb = 0; |
| 232 | unsigned int nb_sps = 0, nb_sh; |
| 233 | int i; |
| 234 | |
| 235 | rps->nb_refs = 0; |
| 236 | if (!sps->long_term_ref_pics_present_flag) |
| 237 | return 0; |
| 238 | |
| 239 | if (sps->num_long_term_ref_pics_sps > 0) |
| 240 | nb_sps = get_ue_golomb_long(gb); |
| 241 | nb_sh = get_ue_golomb_long(gb); |
| 242 | |
| 243 | if (nb_sh + (uint64_t)nb_sps > FF_ARRAY_ELEMS(rps->poc)) |
| 244 | return AVERROR_INVALIDDATA; |
| 245 | |
| 246 | rps->nb_refs = nb_sh + nb_sps; |
| 247 | |
| 248 | for (i = 0; i < rps->nb_refs; i++) { |
| 249 | uint8_t delta_poc_msb_present; |
| 250 | |
| 251 | if (i < nb_sps) { |
| 252 | uint8_t lt_idx_sps = 0; |
| 253 | |
| 254 | if (sps->num_long_term_ref_pics_sps > 1) |
| 255 | lt_idx_sps = get_bits(gb, av_ceil_log2(sps->num_long_term_ref_pics_sps)); |
| 256 | |
| 257 | rps->poc[i] = sps->lt_ref_pic_poc_lsb_sps[lt_idx_sps]; |
| 258 | rps->used[i] = sps->used_by_curr_pic_lt_sps_flag[lt_idx_sps]; |
| 259 | } else { |
| 260 | rps->poc[i] = get_bits(gb, sps->log2_max_poc_lsb); |
| 261 | rps->used[i] = get_bits1(gb); |
| 262 | } |
| 263 | |
| 264 | delta_poc_msb_present = get_bits1(gb); |
| 265 | if (delta_poc_msb_present) { |
| 266 | int delta = get_ue_golomb_long(gb); |
| 267 | |
| 268 | if (i && i != nb_sps) |
| 269 | delta += prev_delta_msb; |
| 270 | |
| 271 | rps->poc[i] += s->poc - delta * max_poc_lsb - s->sh.pic_order_cnt_lsb; |
| 272 | prev_delta_msb = delta; |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | return 0; |
| 277 | } |
| 278 | |
| 279 | static int get_buffer_sao(HEVCContext *s, AVFrame *frame, const HEVCSPS *sps) |
| 280 | { |
| 281 | int ret, i; |
| 282 | |
| 283 | frame->width = s->avctx->coded_width + 2; |
| 284 | frame->height = s->avctx->coded_height + 2; |
| 285 | if ((ret = ff_get_buffer(s->avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0) |
| 286 | return ret; |
| 287 | for (i = 0; frame->data[i]; i++) { |
| 288 | int offset = frame->linesize[i] + (1 << sps->pixel_shift); |
| 289 | frame->data[i] += offset; |
| 290 | } |
| 291 | frame->width = s->avctx->coded_width; |
| 292 | frame->height = s->avctx->coded_height; |
| 293 | |
| 294 | return 0; |
| 295 | } |
| 296 | |
| 297 | static int set_sps(HEVCContext *s, const HEVCSPS *sps) |
| 298 | { |
| 299 | int ret; |
| 300 | unsigned int num = 0, den = 0; |
| 301 | |
| 302 | pic_arrays_free(s); |
| 303 | ret = pic_arrays_init(s, sps); |
| 304 | if (ret < 0) |
| 305 | goto fail; |
| 306 | |
| 307 | s->avctx->coded_width = sps->width; |
| 308 | s->avctx->coded_height = sps->height; |
| 309 | s->avctx->width = sps->output_width; |
| 310 | s->avctx->height = sps->output_height; |
| 311 | s->avctx->pix_fmt = sps->pix_fmt; |
| 312 | s->avctx->has_b_frames = sps->temporal_layer[sps->max_sub_layers - 1].num_reorder_pics; |
| 313 | |
| 314 | ff_set_sar(s->avctx, sps->vui.sar); |
| 315 | |
| 316 | if (sps->vui.video_signal_type_present_flag) |
| 317 | s->avctx->color_range = sps->vui.video_full_range_flag ? AVCOL_RANGE_JPEG |
| 318 | : AVCOL_RANGE_MPEG; |
| 319 | else |
| 320 | s->avctx->color_range = AVCOL_RANGE_MPEG; |
| 321 | |
| 322 | if (sps->vui.colour_description_present_flag) { |
| 323 | s->avctx->color_primaries = sps->vui.colour_primaries; |
| 324 | s->avctx->color_trc = sps->vui.transfer_characteristic; |
| 325 | s->avctx->colorspace = sps->vui.matrix_coeffs; |
| 326 | } else { |
| 327 | s->avctx->color_primaries = AVCOL_PRI_UNSPECIFIED; |
| 328 | s->avctx->color_trc = AVCOL_TRC_UNSPECIFIED; |
| 329 | s->avctx->colorspace = AVCOL_SPC_UNSPECIFIED; |
| 330 | } |
| 331 | |
| 332 | ff_hevc_pred_init(&s->hpc, sps->bit_depth); |
| 333 | ff_hevc_dsp_init (&s->hevcdsp, sps->bit_depth); |
| 334 | ff_videodsp_init (&s->vdsp, sps->bit_depth); |
| 335 | |
| 336 | if (sps->sao_enabled) { |
| 337 | av_frame_unref(s->tmp_frame); |
| 338 | ret = get_buffer_sao(s, s->tmp_frame, sps); |
| 339 | s->sao_frame = s->tmp_frame; |
| 340 | } |
| 341 | |
| 342 | s->sps = sps; |
| 343 | s->vps = (HEVCVPS*) s->vps_list[s->sps->vps_id]->data; |
| 344 | |
| 345 | if (s->vps->vps_timing_info_present_flag) { |
| 346 | num = s->vps->vps_num_units_in_tick; |
| 347 | den = s->vps->vps_time_scale; |
| 348 | } else if (sps->vui.vui_timing_info_present_flag) { |
| 349 | num = sps->vui.vui_num_units_in_tick; |
| 350 | den = sps->vui.vui_time_scale; |
| 351 | } |
| 352 | |
| 353 | if (num != 0 && den != 0) |
| 354 | av_reduce(&s->avctx->framerate.den, &s->avctx->framerate.num, |
| 355 | num, den, 1 << 30); |
| 356 | |
| 357 | return 0; |
| 358 | |
| 359 | fail: |
| 360 | pic_arrays_free(s); |
| 361 | s->sps = NULL; |
| 362 | return ret; |
| 363 | } |
| 364 | |
| 365 | static int hls_slice_header(HEVCContext *s) |
| 366 | { |
| 367 | GetBitContext *gb = &s->HEVClc->gb; |
| 368 | SliceHeader *sh = &s->sh; |
| 369 | int i, j, ret; |
| 370 | |
| 371 | // Coded parameters |
| 372 | sh->first_slice_in_pic_flag = get_bits1(gb); |
| 373 | if ((IS_IDR(s) || IS_BLA(s)) && sh->first_slice_in_pic_flag) { |
| 374 | s->seq_decode = (s->seq_decode + 1) & 0xff; |
| 375 | s->max_ra = INT_MAX; |
| 376 | if (IS_IDR(s)) |
| 377 | ff_hevc_clear_refs(s); |
| 378 | } |
| 379 | sh->no_output_of_prior_pics_flag = 0; |
| 380 | if (IS_IRAP(s)) |
| 381 | sh->no_output_of_prior_pics_flag = get_bits1(gb); |
| 382 | |
| 383 | sh->pps_id = get_ue_golomb_long(gb); |
| 384 | if (sh->pps_id >= MAX_PPS_COUNT || !s->pps_list[sh->pps_id]) { |
| 385 | av_log(s->avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", sh->pps_id); |
| 386 | return AVERROR_INVALIDDATA; |
| 387 | } |
| 388 | if (!sh->first_slice_in_pic_flag && |
| 389 | s->pps != (HEVCPPS*)s->pps_list[sh->pps_id]->data) { |
| 390 | av_log(s->avctx, AV_LOG_ERROR, "PPS changed between slices.\n"); |
| 391 | return AVERROR_INVALIDDATA; |
| 392 | } |
| 393 | s->pps = (HEVCPPS*)s->pps_list[sh->pps_id]->data; |
| 394 | if (s->nal_unit_type == NAL_CRA_NUT && s->last_eos == 1) |
| 395 | sh->no_output_of_prior_pics_flag = 1; |
| 396 | |
| 397 | if (s->sps != (HEVCSPS*)s->sps_list[s->pps->sps_id]->data) { |
| 398 | const HEVCSPS* last_sps = s->sps; |
| 399 | s->sps = (HEVCSPS*)s->sps_list[s->pps->sps_id]->data; |
| 400 | if (last_sps && IS_IRAP(s) && s->nal_unit_type != NAL_CRA_NUT) { |
| 401 | if (s->sps->width != last_sps->width || s->sps->height != last_sps->height || |
| 402 | s->sps->temporal_layer[s->sps->max_sub_layers - 1].max_dec_pic_buffering != |
| 403 | last_sps->temporal_layer[last_sps->max_sub_layers - 1].max_dec_pic_buffering) |
| 404 | sh->no_output_of_prior_pics_flag = 0; |
| 405 | } |
| 406 | ff_hevc_clear_refs(s); |
| 407 | ret = set_sps(s, s->sps); |
| 408 | if (ret < 0) |
| 409 | return ret; |
| 410 | |
| 411 | s->seq_decode = (s->seq_decode + 1) & 0xff; |
| 412 | s->max_ra = INT_MAX; |
| 413 | } |
| 414 | |
| 415 | s->avctx->profile = s->sps->ptl.general_ptl.profile_idc; |
| 416 | s->avctx->level = s->sps->ptl.general_ptl.level_idc; |
| 417 | |
| 418 | sh->dependent_slice_segment_flag = 0; |
| 419 | if (!sh->first_slice_in_pic_flag) { |
| 420 | int slice_address_length; |
| 421 | |
| 422 | if (s->pps->dependent_slice_segments_enabled_flag) |
| 423 | sh->dependent_slice_segment_flag = get_bits1(gb); |
| 424 | |
| 425 | slice_address_length = av_ceil_log2(s->sps->ctb_width * |
| 426 | s->sps->ctb_height); |
| 427 | sh->slice_segment_addr = get_bits(gb, slice_address_length); |
| 428 | if (sh->slice_segment_addr >= s->sps->ctb_width * s->sps->ctb_height) { |
| 429 | av_log(s->avctx, AV_LOG_ERROR, |
| 430 | "Invalid slice segment address: %u.\n", |
| 431 | sh->slice_segment_addr); |
| 432 | return AVERROR_INVALIDDATA; |
| 433 | } |
| 434 | |
| 435 | if (!sh->dependent_slice_segment_flag) { |
| 436 | sh->slice_addr = sh->slice_segment_addr; |
| 437 | s->slice_idx++; |
| 438 | } |
| 439 | } else { |
| 440 | sh->slice_segment_addr = sh->slice_addr = 0; |
| 441 | s->slice_idx = 0; |
| 442 | s->slice_initialized = 0; |
| 443 | } |
| 444 | |
| 445 | if (!sh->dependent_slice_segment_flag) { |
| 446 | s->slice_initialized = 0; |
| 447 | |
| 448 | for (i = 0; i < s->pps->num_extra_slice_header_bits; i++) |
| 449 | skip_bits(gb, 1); // slice_reserved_undetermined_flag[] |
| 450 | |
| 451 | sh->slice_type = get_ue_golomb_long(gb); |
| 452 | if (!(sh->slice_type == I_SLICE || |
| 453 | sh->slice_type == P_SLICE || |
| 454 | sh->slice_type == B_SLICE)) { |
| 455 | av_log(s->avctx, AV_LOG_ERROR, "Unknown slice type: %d.\n", |
| 456 | sh->slice_type); |
| 457 | return AVERROR_INVALIDDATA; |
| 458 | } |
| 459 | if (IS_IRAP(s) && sh->slice_type != I_SLICE) { |
| 460 | av_log(s->avctx, AV_LOG_ERROR, "Inter slices in an IRAP frame.\n"); |
| 461 | return AVERROR_INVALIDDATA; |
| 462 | } |
| 463 | |
| 464 | // when flag is not present, picture is inferred to be output |
| 465 | sh->pic_output_flag = 1; |
| 466 | if (s->pps->output_flag_present_flag) |
| 467 | sh->pic_output_flag = get_bits1(gb); |
| 468 | |
| 469 | if (s->sps->separate_colour_plane_flag) |
| 470 | sh->colour_plane_id = get_bits(gb, 2); |
| 471 | |
| 472 | if (!IS_IDR(s)) { |
| 473 | int short_term_ref_pic_set_sps_flag, poc; |
| 474 | |
| 475 | sh->pic_order_cnt_lsb = get_bits(gb, s->sps->log2_max_poc_lsb); |
| 476 | poc = ff_hevc_compute_poc(s, sh->pic_order_cnt_lsb); |
| 477 | if (!sh->first_slice_in_pic_flag && poc != s->poc) { |
| 478 | av_log(s->avctx, AV_LOG_WARNING, |
| 479 | "Ignoring POC change between slices: %d -> %d\n", s->poc, poc); |
| 480 | if (s->avctx->err_recognition & AV_EF_EXPLODE) |
| 481 | return AVERROR_INVALIDDATA; |
| 482 | poc = s->poc; |
| 483 | } |
| 484 | s->poc = poc; |
| 485 | |
| 486 | short_term_ref_pic_set_sps_flag = get_bits1(gb); |
| 487 | if (!short_term_ref_pic_set_sps_flag) { |
| 488 | ret = ff_hevc_decode_short_term_rps(s, &sh->slice_rps, s->sps, 1); |
| 489 | if (ret < 0) |
| 490 | return ret; |
| 491 | |
| 492 | sh->short_term_rps = &sh->slice_rps; |
| 493 | } else { |
| 494 | int numbits, rps_idx; |
| 495 | |
| 496 | if (!s->sps->nb_st_rps) { |
| 497 | av_log(s->avctx, AV_LOG_ERROR, "No ref lists in the SPS.\n"); |
| 498 | return AVERROR_INVALIDDATA; |
| 499 | } |
| 500 | |
| 501 | numbits = av_ceil_log2(s->sps->nb_st_rps); |
| 502 | rps_idx = numbits > 0 ? get_bits(gb, numbits) : 0; |
| 503 | sh->short_term_rps = &s->sps->st_rps[rps_idx]; |
| 504 | } |
| 505 | |
| 506 | ret = decode_lt_rps(s, &sh->long_term_rps, gb); |
| 507 | if (ret < 0) { |
| 508 | av_log(s->avctx, AV_LOG_WARNING, "Invalid long term RPS.\n"); |
| 509 | if (s->avctx->err_recognition & AV_EF_EXPLODE) |
| 510 | return AVERROR_INVALIDDATA; |
| 511 | } |
| 512 | |
| 513 | if (s->sps->sps_temporal_mvp_enabled_flag) |
| 514 | sh->slice_temporal_mvp_enabled_flag = get_bits1(gb); |
| 515 | else |
| 516 | sh->slice_temporal_mvp_enabled_flag = 0; |
| 517 | } else { |
| 518 | s->sh.short_term_rps = NULL; |
| 519 | s->poc = 0; |
| 520 | } |
| 521 | |
| 522 | /* 8.3.1 */ |
| 523 | if (s->temporal_id == 0 && |
| 524 | s->nal_unit_type != NAL_TRAIL_N && |
| 525 | s->nal_unit_type != NAL_TSA_N && |
| 526 | s->nal_unit_type != NAL_STSA_N && |
| 527 | s->nal_unit_type != NAL_RADL_N && |
| 528 | s->nal_unit_type != NAL_RADL_R && |
| 529 | s->nal_unit_type != NAL_RASL_N && |
| 530 | s->nal_unit_type != NAL_RASL_R) |
| 531 | s->pocTid0 = s->poc; |
| 532 | |
| 533 | if (s->sps->sao_enabled) { |
| 534 | sh->slice_sample_adaptive_offset_flag[0] = get_bits1(gb); |
| 535 | sh->slice_sample_adaptive_offset_flag[1] = |
| 536 | sh->slice_sample_adaptive_offset_flag[2] = get_bits1(gb); |
| 537 | } else { |
| 538 | sh->slice_sample_adaptive_offset_flag[0] = 0; |
| 539 | sh->slice_sample_adaptive_offset_flag[1] = 0; |
| 540 | sh->slice_sample_adaptive_offset_flag[2] = 0; |
| 541 | } |
| 542 | |
| 543 | sh->nb_refs[L0] = sh->nb_refs[L1] = 0; |
| 544 | if (sh->slice_type == P_SLICE || sh->slice_type == B_SLICE) { |
| 545 | int nb_refs; |
| 546 | |
| 547 | sh->nb_refs[L0] = s->pps->num_ref_idx_l0_default_active; |
| 548 | if (sh->slice_type == B_SLICE) |
| 549 | sh->nb_refs[L1] = s->pps->num_ref_idx_l1_default_active; |
| 550 | |
| 551 | if (get_bits1(gb)) { // num_ref_idx_active_override_flag |
| 552 | sh->nb_refs[L0] = get_ue_golomb_long(gb) + 1; |
| 553 | if (sh->slice_type == B_SLICE) |
| 554 | sh->nb_refs[L1] = get_ue_golomb_long(gb) + 1; |
| 555 | } |
| 556 | if (sh->nb_refs[L0] > MAX_REFS || sh->nb_refs[L1] > MAX_REFS) { |
| 557 | av_log(s->avctx, AV_LOG_ERROR, "Too many refs: %d/%d.\n", |
| 558 | sh->nb_refs[L0], sh->nb_refs[L1]); |
| 559 | return AVERROR_INVALIDDATA; |
| 560 | } |
| 561 | |
| 562 | sh->rpl_modification_flag[0] = 0; |
| 563 | sh->rpl_modification_flag[1] = 0; |
| 564 | nb_refs = ff_hevc_frame_nb_refs(s); |
| 565 | if (!nb_refs) { |
| 566 | av_log(s->avctx, AV_LOG_ERROR, "Zero refs for a frame with P or B slices.\n"); |
| 567 | return AVERROR_INVALIDDATA; |
| 568 | } |
| 569 | |
| 570 | if (s->pps->lists_modification_present_flag && nb_refs > 1) { |
| 571 | sh->rpl_modification_flag[0] = get_bits1(gb); |
| 572 | if (sh->rpl_modification_flag[0]) { |
| 573 | for (i = 0; i < sh->nb_refs[L0]; i++) |
| 574 | sh->list_entry_lx[0][i] = get_bits(gb, av_ceil_log2(nb_refs)); |
| 575 | } |
| 576 | |
| 577 | if (sh->slice_type == B_SLICE) { |
| 578 | sh->rpl_modification_flag[1] = get_bits1(gb); |
| 579 | if (sh->rpl_modification_flag[1] == 1) |
| 580 | for (i = 0; i < sh->nb_refs[L1]; i++) |
| 581 | sh->list_entry_lx[1][i] = get_bits(gb, av_ceil_log2(nb_refs)); |
| 582 | } |
| 583 | } |
| 584 | |
| 585 | if (sh->slice_type == B_SLICE) |
| 586 | sh->mvd_l1_zero_flag = get_bits1(gb); |
| 587 | |
| 588 | if (s->pps->cabac_init_present_flag) |
| 589 | sh->cabac_init_flag = get_bits1(gb); |
| 590 | else |
| 591 | sh->cabac_init_flag = 0; |
| 592 | |
| 593 | sh->collocated_ref_idx = 0; |
| 594 | if (sh->slice_temporal_mvp_enabled_flag) { |
| 595 | sh->collocated_list = L0; |
| 596 | if (sh->slice_type == B_SLICE) |
| 597 | sh->collocated_list = !get_bits1(gb); |
| 598 | |
| 599 | if (sh->nb_refs[sh->collocated_list] > 1) { |
| 600 | sh->collocated_ref_idx = get_ue_golomb_long(gb); |
| 601 | if (sh->collocated_ref_idx >= sh->nb_refs[sh->collocated_list]) { |
| 602 | av_log(s->avctx, AV_LOG_ERROR, |
| 603 | "Invalid collocated_ref_idx: %d.\n", |
| 604 | sh->collocated_ref_idx); |
| 605 | return AVERROR_INVALIDDATA; |
| 606 | } |
| 607 | } |
| 608 | } |
| 609 | |
| 610 | if ((s->pps->weighted_pred_flag && sh->slice_type == P_SLICE) || |
| 611 | (s->pps->weighted_bipred_flag && sh->slice_type == B_SLICE)) { |
| 612 | pred_weight_table(s, gb); |
| 613 | } |
| 614 | |
| 615 | sh->max_num_merge_cand = 5 - get_ue_golomb_long(gb); |
| 616 | if (sh->max_num_merge_cand < 1 || sh->max_num_merge_cand > 5) { |
| 617 | av_log(s->avctx, AV_LOG_ERROR, |
| 618 | "Invalid number of merging MVP candidates: %d.\n", |
| 619 | sh->max_num_merge_cand); |
| 620 | return AVERROR_INVALIDDATA; |
| 621 | } |
| 622 | } |
| 623 | |
| 624 | sh->slice_qp_delta = get_se_golomb(gb); |
| 625 | |
| 626 | if (s->pps->pic_slice_level_chroma_qp_offsets_present_flag) { |
| 627 | sh->slice_cb_qp_offset = get_se_golomb(gb); |
| 628 | sh->slice_cr_qp_offset = get_se_golomb(gb); |
| 629 | } else { |
| 630 | sh->slice_cb_qp_offset = 0; |
| 631 | sh->slice_cr_qp_offset = 0; |
| 632 | } |
| 633 | |
| 634 | if (s->pps->chroma_qp_offset_list_enabled_flag) |
| 635 | sh->cu_chroma_qp_offset_enabled_flag = get_bits1(gb); |
| 636 | else |
| 637 | sh->cu_chroma_qp_offset_enabled_flag = 0; |
| 638 | |
| 639 | if (s->pps->deblocking_filter_control_present_flag) { |
| 640 | int deblocking_filter_override_flag = 0; |
| 641 | |
| 642 | if (s->pps->deblocking_filter_override_enabled_flag) |
| 643 | deblocking_filter_override_flag = get_bits1(gb); |
| 644 | |
| 645 | if (deblocking_filter_override_flag) { |
| 646 | sh->disable_deblocking_filter_flag = get_bits1(gb); |
| 647 | if (!sh->disable_deblocking_filter_flag) { |
| 648 | sh->beta_offset = get_se_golomb(gb) * 2; |
| 649 | sh->tc_offset = get_se_golomb(gb) * 2; |
| 650 | } |
| 651 | } else { |
| 652 | sh->disable_deblocking_filter_flag = s->pps->disable_dbf; |
| 653 | sh->beta_offset = s->pps->beta_offset; |
| 654 | sh->tc_offset = s->pps->tc_offset; |
| 655 | } |
| 656 | } else { |
| 657 | sh->disable_deblocking_filter_flag = 0; |
| 658 | sh->beta_offset = 0; |
| 659 | sh->tc_offset = 0; |
| 660 | } |
| 661 | |
| 662 | if (s->pps->seq_loop_filter_across_slices_enabled_flag && |
| 663 | (sh->slice_sample_adaptive_offset_flag[0] || |
| 664 | sh->slice_sample_adaptive_offset_flag[1] || |
| 665 | !sh->disable_deblocking_filter_flag)) { |
| 666 | sh->slice_loop_filter_across_slices_enabled_flag = get_bits1(gb); |
| 667 | } else { |
| 668 | sh->slice_loop_filter_across_slices_enabled_flag = s->pps->seq_loop_filter_across_slices_enabled_flag; |
| 669 | } |
| 670 | } else if (!s->slice_initialized) { |
| 671 | av_log(s->avctx, AV_LOG_ERROR, "Independent slice segment missing.\n"); |
| 672 | return AVERROR_INVALIDDATA; |
| 673 | } |
| 674 | |
| 675 | sh->num_entry_point_offsets = 0; |
| 676 | if (s->pps->tiles_enabled_flag || s->pps->entropy_coding_sync_enabled_flag) { |
| 677 | sh->num_entry_point_offsets = get_ue_golomb_long(gb); |
| 678 | if (sh->num_entry_point_offsets > 0) { |
| 679 | int offset_len = get_ue_golomb_long(gb) + 1; |
| 680 | int segments = offset_len >> 4; |
| 681 | int rest = (offset_len & 15); |
| 682 | av_freep(&sh->entry_point_offset); |
| 683 | av_freep(&sh->offset); |
| 684 | av_freep(&sh->size); |
| 685 | sh->entry_point_offset = av_malloc_array(sh->num_entry_point_offsets, sizeof(int)); |
| 686 | sh->offset = av_malloc_array(sh->num_entry_point_offsets, sizeof(int)); |
| 687 | sh->size = av_malloc_array(sh->num_entry_point_offsets, sizeof(int)); |
| 688 | if (!sh->entry_point_offset || !sh->offset || !sh->size) { |
| 689 | sh->num_entry_point_offsets = 0; |
| 690 | av_log(s->avctx, AV_LOG_ERROR, "Failed to allocate memory\n"); |
| 691 | return AVERROR(ENOMEM); |
| 692 | } |
| 693 | for (i = 0; i < sh->num_entry_point_offsets; i++) { |
| 694 | int val = 0; |
| 695 | for (j = 0; j < segments; j++) { |
| 696 | val <<= 16; |
| 697 | val += get_bits(gb, 16); |
| 698 | } |
| 699 | if (rest) { |
| 700 | val <<= rest; |
| 701 | val += get_bits(gb, rest); |
| 702 | } |
| 703 | sh->entry_point_offset[i] = val + 1; // +1; // +1 to get the size |
| 704 | } |
| 705 | if (s->threads_number > 1 && (s->pps->num_tile_rows > 1 || s->pps->num_tile_columns > 1)) { |
| 706 | s->enable_parallel_tiles = 0; // TODO: you can enable tiles in parallel here |
| 707 | s->threads_number = 1; |
| 708 | } else |
| 709 | s->enable_parallel_tiles = 0; |
| 710 | } else |
| 711 | s->enable_parallel_tiles = 0; |
| 712 | } |
| 713 | |
| 714 | if (s->pps->slice_header_extension_present_flag) { |
| 715 | unsigned int length = get_ue_golomb_long(gb); |
| 716 | if (length*8LL > get_bits_left(gb)) { |
| 717 | av_log(s->avctx, AV_LOG_ERROR, "too many slice_header_extension_data_bytes\n"); |
| 718 | return AVERROR_INVALIDDATA; |
| 719 | } |
| 720 | for (i = 0; i < length; i++) |
| 721 | skip_bits(gb, 8); // slice_header_extension_data_byte |
| 722 | } |
| 723 | |
| 724 | // Inferred parameters |
| 725 | sh->slice_qp = 26U + s->pps->pic_init_qp_minus26 + sh->slice_qp_delta; |
| 726 | if (sh->slice_qp > 51 || |
| 727 | sh->slice_qp < -s->sps->qp_bd_offset) { |
| 728 | av_log(s->avctx, AV_LOG_ERROR, |
| 729 | "The slice_qp %d is outside the valid range " |
| 730 | "[%d, 51].\n", |
| 731 | sh->slice_qp, |
| 732 | -s->sps->qp_bd_offset); |
| 733 | return AVERROR_INVALIDDATA; |
| 734 | } |
| 735 | |
| 736 | sh->slice_ctb_addr_rs = sh->slice_segment_addr; |
| 737 | |
| 738 | if (!s->sh.slice_ctb_addr_rs && s->sh.dependent_slice_segment_flag) { |
| 739 | av_log(s->avctx, AV_LOG_ERROR, "Impossible slice segment.\n"); |
| 740 | return AVERROR_INVALIDDATA; |
| 741 | } |
| 742 | |
| 743 | if (get_bits_left(gb) < 0) { |
| 744 | av_log(s->avctx, AV_LOG_ERROR, |
| 745 | "Overread slice header by %d bits\n", -get_bits_left(gb)); |
| 746 | return AVERROR_INVALIDDATA; |
| 747 | } |
| 748 | |
| 749 | s->HEVClc->first_qp_group = !s->sh.dependent_slice_segment_flag; |
| 750 | |
| 751 | if (!s->pps->cu_qp_delta_enabled_flag) |
| 752 | s->HEVClc->qp_y = s->sh.slice_qp; |
| 753 | |
| 754 | s->slice_initialized = 1; |
| 755 | s->HEVClc->tu.cu_qp_offset_cb = 0; |
| 756 | s->HEVClc->tu.cu_qp_offset_cr = 0; |
| 757 | |
| 758 | return 0; |
| 759 | } |
| 760 | |
| 761 | #define CTB(tab, x, y) ((tab)[(y) * s->sps->ctb_width + (x)]) |
| 762 | |
| 763 | #define SET_SAO(elem, value) \ |
| 764 | do { \ |
| 765 | if (!sao_merge_up_flag && !sao_merge_left_flag) \ |
| 766 | sao->elem = value; \ |
| 767 | else if (sao_merge_left_flag) \ |
| 768 | sao->elem = CTB(s->sao, rx-1, ry).elem; \ |
| 769 | else if (sao_merge_up_flag) \ |
| 770 | sao->elem = CTB(s->sao, rx, ry-1).elem; \ |
| 771 | else \ |
| 772 | sao->elem = 0; \ |
| 773 | } while (0) |
| 774 | |
| 775 | static void hls_sao_param(HEVCContext *s, int rx, int ry) |
| 776 | { |
| 777 | HEVCLocalContext *lc = s->HEVClc; |
| 778 | int sao_merge_left_flag = 0; |
| 779 | int sao_merge_up_flag = 0; |
| 780 | SAOParams *sao = &CTB(s->sao, rx, ry); |
| 781 | int c_idx, i; |
| 782 | |
| 783 | if (s->sh.slice_sample_adaptive_offset_flag[0] || |
| 784 | s->sh.slice_sample_adaptive_offset_flag[1]) { |
| 785 | if (rx > 0) { |
| 786 | if (lc->ctb_left_flag) |
| 787 | sao_merge_left_flag = ff_hevc_sao_merge_flag_decode(s); |
| 788 | } |
| 789 | if (ry > 0 && !sao_merge_left_flag) { |
| 790 | if (lc->ctb_up_flag) |
| 791 | sao_merge_up_flag = ff_hevc_sao_merge_flag_decode(s); |
| 792 | } |
| 793 | } |
| 794 | |
| 795 | for (c_idx = 0; c_idx < 3; c_idx++) { |
| 796 | int log2_sao_offset_scale = c_idx == 0 ? s->pps->log2_sao_offset_scale_luma : |
| 797 | s->pps->log2_sao_offset_scale_chroma; |
| 798 | |
| 799 | if (!s->sh.slice_sample_adaptive_offset_flag[c_idx]) { |
| 800 | sao->type_idx[c_idx] = SAO_NOT_APPLIED; |
| 801 | continue; |
| 802 | } |
| 803 | |
| 804 | if (c_idx == 2) { |
| 805 | sao->type_idx[2] = sao->type_idx[1]; |
| 806 | sao->eo_class[2] = sao->eo_class[1]; |
| 807 | } else { |
| 808 | SET_SAO(type_idx[c_idx], ff_hevc_sao_type_idx_decode(s)); |
| 809 | } |
| 810 | |
| 811 | if (sao->type_idx[c_idx] == SAO_NOT_APPLIED) |
| 812 | continue; |
| 813 | |
| 814 | for (i = 0; i < 4; i++) |
| 815 | SET_SAO(offset_abs[c_idx][i], ff_hevc_sao_offset_abs_decode(s)); |
| 816 | |
| 817 | if (sao->type_idx[c_idx] == SAO_BAND) { |
| 818 | for (i = 0; i < 4; i++) { |
| 819 | if (sao->offset_abs[c_idx][i]) { |
| 820 | SET_SAO(offset_sign[c_idx][i], |
| 821 | ff_hevc_sao_offset_sign_decode(s)); |
| 822 | } else { |
| 823 | sao->offset_sign[c_idx][i] = 0; |
| 824 | } |
| 825 | } |
| 826 | SET_SAO(band_position[c_idx], ff_hevc_sao_band_position_decode(s)); |
| 827 | } else if (c_idx != 2) { |
| 828 | SET_SAO(eo_class[c_idx], ff_hevc_sao_eo_class_decode(s)); |
| 829 | } |
| 830 | |
| 831 | // Inferred parameters |
| 832 | sao->offset_val[c_idx][0] = 0; |
| 833 | for (i = 0; i < 4; i++) { |
| 834 | sao->offset_val[c_idx][i + 1] = sao->offset_abs[c_idx][i]; |
| 835 | if (sao->type_idx[c_idx] == SAO_EDGE) { |
| 836 | if (i > 1) |
| 837 | sao->offset_val[c_idx][i + 1] = -sao->offset_val[c_idx][i + 1]; |
| 838 | } else if (sao->offset_sign[c_idx][i]) { |
| 839 | sao->offset_val[c_idx][i + 1] = -sao->offset_val[c_idx][i + 1]; |
| 840 | } |
| 841 | sao->offset_val[c_idx][i + 1] <<= log2_sao_offset_scale; |
| 842 | } |
| 843 | } |
| 844 | } |
| 845 | |
| 846 | #undef SET_SAO |
| 847 | #undef CTB |
| 848 | |
| 849 | static int hls_cross_component_pred(HEVCContext *s, int idx) { |
| 850 | HEVCLocalContext *lc = s->HEVClc; |
| 851 | int log2_res_scale_abs_plus1 = ff_hevc_log2_res_scale_abs(s, idx); |
| 852 | |
| 853 | if (log2_res_scale_abs_plus1 != 0) { |
| 854 | int res_scale_sign_flag = ff_hevc_res_scale_sign_flag(s, idx); |
| 855 | lc->tu.res_scale_val = (1 << (log2_res_scale_abs_plus1 - 1)) * |
| 856 | (1 - 2 * res_scale_sign_flag); |
| 857 | } else { |
| 858 | lc->tu.res_scale_val = 0; |
| 859 | } |
| 860 | |
| 861 | |
| 862 | return 0; |
| 863 | } |
| 864 | |
| 865 | static int hls_transform_unit(HEVCContext *s, int x0, int y0, |
| 866 | int xBase, int yBase, int cb_xBase, int cb_yBase, |
| 867 | int log2_cb_size, int log2_trafo_size, |
| 868 | int blk_idx, int cbf_luma, int *cbf_cb, int *cbf_cr) |
| 869 | { |
| 870 | HEVCLocalContext *lc = s->HEVClc; |
| 871 | const int log2_trafo_size_c = log2_trafo_size - s->sps->hshift[1]; |
| 872 | int i; |
| 873 | |
| 874 | if (lc->cu.pred_mode == MODE_INTRA) { |
| 875 | int trafo_size = 1 << log2_trafo_size; |
| 876 | ff_hevc_set_neighbour_available(s, x0, y0, trafo_size, trafo_size); |
| 877 | |
| 878 | s->hpc.intra_pred[log2_trafo_size - 2](s, x0, y0, 0); |
| 879 | } |
| 880 | |
| 881 | if (cbf_luma || cbf_cb[0] || cbf_cr[0] || |
| 882 | (s->sps->chroma_format_idc == 2 && (cbf_cb[1] || cbf_cr[1]))) { |
| 883 | int scan_idx = SCAN_DIAG; |
| 884 | int scan_idx_c = SCAN_DIAG; |
| 885 | int cbf_chroma = cbf_cb[0] || cbf_cr[0] || |
| 886 | (s->sps->chroma_format_idc == 2 && |
| 887 | (cbf_cb[1] || cbf_cr[1])); |
| 888 | |
| 889 | if (s->pps->cu_qp_delta_enabled_flag && !lc->tu.is_cu_qp_delta_coded) { |
| 890 | lc->tu.cu_qp_delta = ff_hevc_cu_qp_delta_abs(s); |
| 891 | if (lc->tu.cu_qp_delta != 0) |
| 892 | if (ff_hevc_cu_qp_delta_sign_flag(s) == 1) |
| 893 | lc->tu.cu_qp_delta = -lc->tu.cu_qp_delta; |
| 894 | lc->tu.is_cu_qp_delta_coded = 1; |
| 895 | |
| 896 | if (lc->tu.cu_qp_delta < -(26 + s->sps->qp_bd_offset / 2) || |
| 897 | lc->tu.cu_qp_delta > (25 + s->sps->qp_bd_offset / 2)) { |
| 898 | av_log(s->avctx, AV_LOG_ERROR, |
| 899 | "The cu_qp_delta %d is outside the valid range " |
| 900 | "[%d, %d].\n", |
| 901 | lc->tu.cu_qp_delta, |
| 902 | -(26 + s->sps->qp_bd_offset / 2), |
| 903 | (25 + s->sps->qp_bd_offset / 2)); |
| 904 | return AVERROR_INVALIDDATA; |
| 905 | } |
| 906 | |
| 907 | ff_hevc_set_qPy(s, cb_xBase, cb_yBase, log2_cb_size); |
| 908 | } |
| 909 | |
| 910 | if (s->sh.cu_chroma_qp_offset_enabled_flag && cbf_chroma && |
| 911 | !lc->cu.cu_transquant_bypass_flag && !lc->tu.is_cu_chroma_qp_offset_coded) { |
| 912 | int cu_chroma_qp_offset_flag = ff_hevc_cu_chroma_qp_offset_flag(s); |
| 913 | if (cu_chroma_qp_offset_flag) { |
| 914 | int cu_chroma_qp_offset_idx = 0; |
| 915 | if (s->pps->chroma_qp_offset_list_len_minus1 > 0) { |
| 916 | cu_chroma_qp_offset_idx = ff_hevc_cu_chroma_qp_offset_idx(s); |
| 917 | av_log(s->avctx, AV_LOG_ERROR, |
| 918 | "cu_chroma_qp_offset_idx not yet tested.\n"); |
| 919 | } |
| 920 | lc->tu.cu_qp_offset_cb = s->pps->cb_qp_offset_list[cu_chroma_qp_offset_idx]; |
| 921 | lc->tu.cu_qp_offset_cr = s->pps->cr_qp_offset_list[cu_chroma_qp_offset_idx]; |
| 922 | } else { |
| 923 | lc->tu.cu_qp_offset_cb = 0; |
| 924 | lc->tu.cu_qp_offset_cr = 0; |
| 925 | } |
| 926 | lc->tu.is_cu_chroma_qp_offset_coded = 1; |
| 927 | } |
| 928 | |
| 929 | if (lc->cu.pred_mode == MODE_INTRA && log2_trafo_size < 4) { |
| 930 | if (lc->tu.intra_pred_mode >= 6 && |
| 931 | lc->tu.intra_pred_mode <= 14) { |
| 932 | scan_idx = SCAN_VERT; |
| 933 | } else if (lc->tu.intra_pred_mode >= 22 && |
| 934 | lc->tu.intra_pred_mode <= 30) { |
| 935 | scan_idx = SCAN_HORIZ; |
| 936 | } |
| 937 | |
| 938 | if (lc->tu.intra_pred_mode_c >= 6 && |
| 939 | lc->tu.intra_pred_mode_c <= 14) { |
| 940 | scan_idx_c = SCAN_VERT; |
| 941 | } else if (lc->tu.intra_pred_mode_c >= 22 && |
| 942 | lc->tu.intra_pred_mode_c <= 30) { |
| 943 | scan_idx_c = SCAN_HORIZ; |
| 944 | } |
| 945 | } |
| 946 | |
| 947 | lc->tu.cross_pf = 0; |
| 948 | |
| 949 | if (cbf_luma) |
| 950 | ff_hevc_hls_residual_coding(s, x0, y0, log2_trafo_size, scan_idx, 0); |
| 951 | if (log2_trafo_size > 2 || s->sps->chroma_format_idc == 3) { |
| 952 | int trafo_size_h = 1 << (log2_trafo_size_c + s->sps->hshift[1]); |
| 953 | int trafo_size_v = 1 << (log2_trafo_size_c + s->sps->vshift[1]); |
| 954 | lc->tu.cross_pf = (s->pps->cross_component_prediction_enabled_flag && cbf_luma && |
| 955 | (lc->cu.pred_mode == MODE_INTER || |
| 956 | (lc->tu.chroma_mode_c == 4))); |
| 957 | |
| 958 | if (lc->tu.cross_pf) { |
| 959 | hls_cross_component_pred(s, 0); |
| 960 | } |
| 961 | for (i = 0; i < (s->sps->chroma_format_idc == 2 ? 2 : 1); i++) { |
| 962 | if (lc->cu.pred_mode == MODE_INTRA) { |
| 963 | ff_hevc_set_neighbour_available(s, x0, y0 + (i << log2_trafo_size_c), trafo_size_h, trafo_size_v); |
| 964 | s->hpc.intra_pred[log2_trafo_size_c - 2](s, x0, y0 + (i << log2_trafo_size_c), 1); |
| 965 | } |
| 966 | if (cbf_cb[i]) |
| 967 | ff_hevc_hls_residual_coding(s, x0, y0 + (i << log2_trafo_size_c), |
| 968 | log2_trafo_size_c, scan_idx_c, 1); |
| 969 | else |
| 970 | if (lc->tu.cross_pf) { |
| 971 | ptrdiff_t stride = s->frame->linesize[1]; |
| 972 | int hshift = s->sps->hshift[1]; |
| 973 | int vshift = s->sps->vshift[1]; |
| 974 | int16_t *coeffs_y = (int16_t*)lc->edge_emu_buffer; |
| 975 | int16_t *coeffs = (int16_t*)lc->edge_emu_buffer2; |
| 976 | int size = 1 << log2_trafo_size_c; |
| 977 | |
| 978 | uint8_t *dst = &s->frame->data[1][(y0 >> vshift) * stride + |
| 979 | ((x0 >> hshift) << s->sps->pixel_shift)]; |
| 980 | for (i = 0; i < (size * size); i++) { |
| 981 | coeffs[i] = ((lc->tu.res_scale_val * coeffs_y[i]) >> 3); |
| 982 | } |
| 983 | s->hevcdsp.transform_add[log2_trafo_size_c-2](dst, coeffs, stride); |
| 984 | } |
| 985 | } |
| 986 | |
| 987 | if (lc->tu.cross_pf) { |
| 988 | hls_cross_component_pred(s, 1); |
| 989 | } |
| 990 | for (i = 0; i < (s->sps->chroma_format_idc == 2 ? 2 : 1); i++) { |
| 991 | if (lc->cu.pred_mode == MODE_INTRA) { |
| 992 | ff_hevc_set_neighbour_available(s, x0, y0 + (i << log2_trafo_size_c), trafo_size_h, trafo_size_v); |
| 993 | s->hpc.intra_pred[log2_trafo_size_c - 2](s, x0, y0 + (i << log2_trafo_size_c), 2); |
| 994 | } |
| 995 | if (cbf_cr[i]) |
| 996 | ff_hevc_hls_residual_coding(s, x0, y0 + (i << log2_trafo_size_c), |
| 997 | log2_trafo_size_c, scan_idx_c, 2); |
| 998 | else |
| 999 | if (lc->tu.cross_pf) { |
| 1000 | ptrdiff_t stride = s->frame->linesize[2]; |
| 1001 | int hshift = s->sps->hshift[2]; |
| 1002 | int vshift = s->sps->vshift[2]; |
| 1003 | int16_t *coeffs_y = (int16_t*)lc->edge_emu_buffer; |
| 1004 | int16_t *coeffs = (int16_t*)lc->edge_emu_buffer2; |
| 1005 | int size = 1 << log2_trafo_size_c; |
| 1006 | |
| 1007 | uint8_t *dst = &s->frame->data[2][(y0 >> vshift) * stride + |
| 1008 | ((x0 >> hshift) << s->sps->pixel_shift)]; |
| 1009 | for (i = 0; i < (size * size); i++) { |
| 1010 | coeffs[i] = ((lc->tu.res_scale_val * coeffs_y[i]) >> 3); |
| 1011 | } |
| 1012 | s->hevcdsp.transform_add[log2_trafo_size_c-2](dst, coeffs, stride); |
| 1013 | } |
| 1014 | } |
| 1015 | } else if (blk_idx == 3) { |
| 1016 | int trafo_size_h = 1 << (log2_trafo_size + 1); |
| 1017 | int trafo_size_v = 1 << (log2_trafo_size + s->sps->vshift[1]); |
| 1018 | for (i = 0; i < (s->sps->chroma_format_idc == 2 ? 2 : 1); i++) { |
| 1019 | if (lc->cu.pred_mode == MODE_INTRA) { |
| 1020 | ff_hevc_set_neighbour_available(s, xBase, yBase + (i << log2_trafo_size), |
| 1021 | trafo_size_h, trafo_size_v); |
| 1022 | s->hpc.intra_pred[log2_trafo_size - 2](s, xBase, yBase + (i << log2_trafo_size), 1); |
| 1023 | } |
| 1024 | if (cbf_cb[i]) |
| 1025 | ff_hevc_hls_residual_coding(s, xBase, yBase + (i << log2_trafo_size), |
| 1026 | log2_trafo_size, scan_idx_c, 1); |
| 1027 | } |
| 1028 | for (i = 0; i < (s->sps->chroma_format_idc == 2 ? 2 : 1); i++) { |
| 1029 | if (lc->cu.pred_mode == MODE_INTRA) { |
| 1030 | ff_hevc_set_neighbour_available(s, xBase, yBase + (i << log2_trafo_size), |
| 1031 | trafo_size_h, trafo_size_v); |
| 1032 | s->hpc.intra_pred[log2_trafo_size - 2](s, xBase, yBase + (i << log2_trafo_size), 2); |
| 1033 | } |
| 1034 | if (cbf_cr[i]) |
| 1035 | ff_hevc_hls_residual_coding(s, xBase, yBase + (i << log2_trafo_size), |
| 1036 | log2_trafo_size, scan_idx_c, 2); |
| 1037 | } |
| 1038 | } |
| 1039 | } else if (lc->cu.pred_mode == MODE_INTRA) { |
| 1040 | if (log2_trafo_size > 2 || s->sps->chroma_format_idc == 3) { |
| 1041 | int trafo_size_h = 1 << (log2_trafo_size_c + s->sps->hshift[1]); |
| 1042 | int trafo_size_v = 1 << (log2_trafo_size_c + s->sps->vshift[1]); |
| 1043 | ff_hevc_set_neighbour_available(s, x0, y0, trafo_size_h, trafo_size_v); |
| 1044 | s->hpc.intra_pred[log2_trafo_size_c - 2](s, x0, y0, 1); |
| 1045 | s->hpc.intra_pred[log2_trafo_size_c - 2](s, x0, y0, 2); |
| 1046 | if (s->sps->chroma_format_idc == 2) { |
| 1047 | ff_hevc_set_neighbour_available(s, x0, y0 + (1 << log2_trafo_size_c), |
| 1048 | trafo_size_h, trafo_size_v); |
| 1049 | s->hpc.intra_pred[log2_trafo_size_c - 2](s, x0, y0 + (1 << log2_trafo_size_c), 1); |
| 1050 | s->hpc.intra_pred[log2_trafo_size_c - 2](s, x0, y0 + (1 << log2_trafo_size_c), 2); |
| 1051 | } |
| 1052 | } else if (blk_idx == 3) { |
| 1053 | int trafo_size_h = 1 << (log2_trafo_size + 1); |
| 1054 | int trafo_size_v = 1 << (log2_trafo_size + s->sps->vshift[1]); |
| 1055 | ff_hevc_set_neighbour_available(s, xBase, yBase, |
| 1056 | trafo_size_h, trafo_size_v); |
| 1057 | s->hpc.intra_pred[log2_trafo_size - 2](s, xBase, yBase, 1); |
| 1058 | s->hpc.intra_pred[log2_trafo_size - 2](s, xBase, yBase, 2); |
| 1059 | if (s->sps->chroma_format_idc == 2) { |
| 1060 | ff_hevc_set_neighbour_available(s, xBase, yBase + (1 << (log2_trafo_size)), |
| 1061 | trafo_size_h, trafo_size_v); |
| 1062 | s->hpc.intra_pred[log2_trafo_size - 2](s, xBase, yBase + (1 << (log2_trafo_size)), 1); |
| 1063 | s->hpc.intra_pred[log2_trafo_size - 2](s, xBase, yBase + (1 << (log2_trafo_size)), 2); |
| 1064 | } |
| 1065 | } |
| 1066 | } |
| 1067 | |
| 1068 | return 0; |
| 1069 | } |
| 1070 | |
| 1071 | static void set_deblocking_bypass(HEVCContext *s, int x0, int y0, int log2_cb_size) |
| 1072 | { |
| 1073 | int cb_size = 1 << log2_cb_size; |
| 1074 | int log2_min_pu_size = s->sps->log2_min_pu_size; |
| 1075 | |
| 1076 | int min_pu_width = s->sps->min_pu_width; |
| 1077 | int x_end = FFMIN(x0 + cb_size, s->sps->width); |
| 1078 | int y_end = FFMIN(y0 + cb_size, s->sps->height); |
| 1079 | int i, j; |
| 1080 | |
| 1081 | for (j = (y0 >> log2_min_pu_size); j < (y_end >> log2_min_pu_size); j++) |
| 1082 | for (i = (x0 >> log2_min_pu_size); i < (x_end >> log2_min_pu_size); i++) |
| 1083 | s->is_pcm[i + j * min_pu_width] = 2; |
| 1084 | } |
| 1085 | |
| 1086 | static int hls_transform_tree(HEVCContext *s, int x0, int y0, |
| 1087 | int xBase, int yBase, int cb_xBase, int cb_yBase, |
| 1088 | int log2_cb_size, int log2_trafo_size, |
| 1089 | int trafo_depth, int blk_idx, |
| 1090 | const int *base_cbf_cb, const int *base_cbf_cr) |
| 1091 | { |
| 1092 | HEVCLocalContext *lc = s->HEVClc; |
| 1093 | uint8_t split_transform_flag; |
| 1094 | int cbf_cb[2]; |
| 1095 | int cbf_cr[2]; |
| 1096 | int ret; |
| 1097 | |
| 1098 | cbf_cb[0] = base_cbf_cb[0]; |
| 1099 | cbf_cb[1] = base_cbf_cb[1]; |
| 1100 | cbf_cr[0] = base_cbf_cr[0]; |
| 1101 | cbf_cr[1] = base_cbf_cr[1]; |
| 1102 | |
| 1103 | if (lc->cu.intra_split_flag) { |
| 1104 | if (trafo_depth == 1) { |
| 1105 | lc->tu.intra_pred_mode = lc->pu.intra_pred_mode[blk_idx]; |
| 1106 | if (s->sps->chroma_format_idc == 3) { |
| 1107 | lc->tu.intra_pred_mode_c = lc->pu.intra_pred_mode_c[blk_idx]; |
| 1108 | lc->tu.chroma_mode_c = lc->pu.chroma_mode_c[blk_idx]; |
| 1109 | } else { |
| 1110 | lc->tu.intra_pred_mode_c = lc->pu.intra_pred_mode_c[0]; |
| 1111 | lc->tu.chroma_mode_c = lc->pu.chroma_mode_c[0]; |
| 1112 | } |
| 1113 | } |
| 1114 | } else { |
| 1115 | lc->tu.intra_pred_mode = lc->pu.intra_pred_mode[0]; |
| 1116 | lc->tu.intra_pred_mode_c = lc->pu.intra_pred_mode_c[0]; |
| 1117 | lc->tu.chroma_mode_c = lc->pu.chroma_mode_c[0]; |
| 1118 | } |
| 1119 | |
| 1120 | if (log2_trafo_size <= s->sps->log2_max_trafo_size && |
| 1121 | log2_trafo_size > s->sps->log2_min_tb_size && |
| 1122 | trafo_depth < lc->cu.max_trafo_depth && |
| 1123 | !(lc->cu.intra_split_flag && trafo_depth == 0)) { |
| 1124 | split_transform_flag = ff_hevc_split_transform_flag_decode(s, log2_trafo_size); |
| 1125 | } else { |
| 1126 | int inter_split = s->sps->max_transform_hierarchy_depth_inter == 0 && |
| 1127 | lc->cu.pred_mode == MODE_INTER && |
| 1128 | lc->cu.part_mode != PART_2Nx2N && |
| 1129 | trafo_depth == 0; |
| 1130 | |
| 1131 | split_transform_flag = log2_trafo_size > s->sps->log2_max_trafo_size || |
| 1132 | (lc->cu.intra_split_flag && trafo_depth == 0) || |
| 1133 | inter_split; |
| 1134 | } |
| 1135 | |
| 1136 | if (log2_trafo_size > 2 || s->sps->chroma_format_idc == 3) { |
| 1137 | if (trafo_depth == 0 || cbf_cb[0]) { |
| 1138 | cbf_cb[0] = ff_hevc_cbf_cb_cr_decode(s, trafo_depth); |
| 1139 | if (s->sps->chroma_format_idc == 2 && (!split_transform_flag || log2_trafo_size == 3)) { |
| 1140 | cbf_cb[1] = ff_hevc_cbf_cb_cr_decode(s, trafo_depth); |
| 1141 | } |
| 1142 | } |
| 1143 | |
| 1144 | if (trafo_depth == 0 || cbf_cr[0]) { |
| 1145 | cbf_cr[0] = ff_hevc_cbf_cb_cr_decode(s, trafo_depth); |
| 1146 | if (s->sps->chroma_format_idc == 2 && (!split_transform_flag || log2_trafo_size == 3)) { |
| 1147 | cbf_cr[1] = ff_hevc_cbf_cb_cr_decode(s, trafo_depth); |
| 1148 | } |
| 1149 | } |
| 1150 | } |
| 1151 | |
| 1152 | if (split_transform_flag) { |
| 1153 | const int trafo_size_split = 1 << (log2_trafo_size - 1); |
| 1154 | const int x1 = x0 + trafo_size_split; |
| 1155 | const int y1 = y0 + trafo_size_split; |
| 1156 | |
| 1157 | #define SUBDIVIDE(x, y, idx) \ |
| 1158 | do { \ |
| 1159 | ret = hls_transform_tree(s, x, y, x0, y0, cb_xBase, cb_yBase, log2_cb_size, \ |
| 1160 | log2_trafo_size - 1, trafo_depth + 1, idx, \ |
| 1161 | cbf_cb, cbf_cr); \ |
| 1162 | if (ret < 0) \ |
| 1163 | return ret; \ |
| 1164 | } while (0) |
| 1165 | |
| 1166 | SUBDIVIDE(x0, y0, 0); |
| 1167 | SUBDIVIDE(x1, y0, 1); |
| 1168 | SUBDIVIDE(x0, y1, 2); |
| 1169 | SUBDIVIDE(x1, y1, 3); |
| 1170 | |
| 1171 | #undef SUBDIVIDE |
| 1172 | } else { |
| 1173 | int min_tu_size = 1 << s->sps->log2_min_tb_size; |
| 1174 | int log2_min_tu_size = s->sps->log2_min_tb_size; |
| 1175 | int min_tu_width = s->sps->min_tb_width; |
| 1176 | int cbf_luma = 1; |
| 1177 | |
| 1178 | if (lc->cu.pred_mode == MODE_INTRA || trafo_depth != 0 || |
| 1179 | cbf_cb[0] || cbf_cr[0] || |
| 1180 | (s->sps->chroma_format_idc == 2 && (cbf_cb[1] || cbf_cr[1]))) { |
| 1181 | cbf_luma = ff_hevc_cbf_luma_decode(s, trafo_depth); |
| 1182 | } |
| 1183 | |
| 1184 | ret = hls_transform_unit(s, x0, y0, xBase, yBase, cb_xBase, cb_yBase, |
| 1185 | log2_cb_size, log2_trafo_size, |
| 1186 | blk_idx, cbf_luma, cbf_cb, cbf_cr); |
| 1187 | if (ret < 0) |
| 1188 | return ret; |
| 1189 | // TODO: store cbf_luma somewhere else |
| 1190 | if (cbf_luma) { |
| 1191 | int i, j; |
| 1192 | for (i = 0; i < (1 << log2_trafo_size); i += min_tu_size) |
| 1193 | for (j = 0; j < (1 << log2_trafo_size); j += min_tu_size) { |
| 1194 | int x_tu = (x0 + j) >> log2_min_tu_size; |
| 1195 | int y_tu = (y0 + i) >> log2_min_tu_size; |
| 1196 | s->cbf_luma[y_tu * min_tu_width + x_tu] = 1; |
| 1197 | } |
| 1198 | } |
| 1199 | if (!s->sh.disable_deblocking_filter_flag) { |
| 1200 | ff_hevc_deblocking_boundary_strengths(s, x0, y0, log2_trafo_size); |
| 1201 | if (s->pps->transquant_bypass_enable_flag && |
| 1202 | lc->cu.cu_transquant_bypass_flag) |
| 1203 | set_deblocking_bypass(s, x0, y0, log2_trafo_size); |
| 1204 | } |
| 1205 | } |
| 1206 | return 0; |
| 1207 | } |
| 1208 | |
| 1209 | static int hls_pcm_sample(HEVCContext *s, int x0, int y0, int log2_cb_size) |
| 1210 | { |
| 1211 | HEVCLocalContext *lc = s->HEVClc; |
| 1212 | GetBitContext gb; |
| 1213 | int cb_size = 1 << log2_cb_size; |
| 1214 | int stride0 = s->frame->linesize[0]; |
| 1215 | uint8_t *dst0 = &s->frame->data[0][y0 * stride0 + (x0 << s->sps->pixel_shift)]; |
| 1216 | int stride1 = s->frame->linesize[1]; |
| 1217 | uint8_t *dst1 = &s->frame->data[1][(y0 >> s->sps->vshift[1]) * stride1 + ((x0 >> s->sps->hshift[1]) << s->sps->pixel_shift)]; |
| 1218 | int stride2 = s->frame->linesize[2]; |
| 1219 | uint8_t *dst2 = &s->frame->data[2][(y0 >> s->sps->vshift[2]) * stride2 + ((x0 >> s->sps->hshift[2]) << s->sps->pixel_shift)]; |
| 1220 | |
| 1221 | int length = cb_size * cb_size * s->sps->pcm.bit_depth + |
| 1222 | (((cb_size >> s->sps->hshift[1]) * (cb_size >> s->sps->vshift[1])) + |
| 1223 | ((cb_size >> s->sps->hshift[2]) * (cb_size >> s->sps->vshift[2]))) * |
| 1224 | s->sps->pcm.bit_depth_chroma; |
| 1225 | const uint8_t *pcm = skip_bytes(&lc->cc, (length + 7) >> 3); |
| 1226 | int ret; |
| 1227 | |
| 1228 | if (!s->sh.disable_deblocking_filter_flag) |
| 1229 | ff_hevc_deblocking_boundary_strengths(s, x0, y0, log2_cb_size); |
| 1230 | |
| 1231 | ret = init_get_bits(&gb, pcm, length); |
| 1232 | if (ret < 0) |
| 1233 | return ret; |
| 1234 | |
| 1235 | s->hevcdsp.put_pcm(dst0, stride0, cb_size, cb_size, &gb, s->sps->pcm.bit_depth); |
| 1236 | s->hevcdsp.put_pcm(dst1, stride1, |
| 1237 | cb_size >> s->sps->hshift[1], |
| 1238 | cb_size >> s->sps->vshift[1], |
| 1239 | &gb, s->sps->pcm.bit_depth_chroma); |
| 1240 | s->hevcdsp.put_pcm(dst2, stride2, |
| 1241 | cb_size >> s->sps->hshift[2], |
| 1242 | cb_size >> s->sps->vshift[2], |
| 1243 | &gb, s->sps->pcm.bit_depth_chroma); |
| 1244 | return 0; |
| 1245 | } |
| 1246 | |
| 1247 | /** |
| 1248 | * 8.5.3.2.2.1 Luma sample unidirectional interpolation process |
| 1249 | * |
| 1250 | * @param s HEVC decoding context |
| 1251 | * @param dst target buffer for block data at block position |
| 1252 | * @param dststride stride of the dst buffer |
| 1253 | * @param ref reference picture buffer at origin (0, 0) |
| 1254 | * @param mv motion vector (relative to block position) to get pixel data from |
| 1255 | * @param x_off horizontal position of block from origin (0, 0) |
| 1256 | * @param y_off vertical position of block from origin (0, 0) |
| 1257 | * @param block_w width of block |
| 1258 | * @param block_h height of block |
| 1259 | * @param luma_weight weighting factor applied to the luma prediction |
| 1260 | * @param luma_offset additive offset applied to the luma prediction value |
| 1261 | */ |
| 1262 | |
| 1263 | static void luma_mc_uni(HEVCContext *s, uint8_t *dst, ptrdiff_t dststride, |
| 1264 | AVFrame *ref, const Mv *mv, int x_off, int y_off, |
| 1265 | int block_w, int block_h, int luma_weight, int luma_offset) |
| 1266 | { |
| 1267 | HEVCLocalContext *lc = s->HEVClc; |
| 1268 | uint8_t *src = ref->data[0]; |
| 1269 | ptrdiff_t srcstride = ref->linesize[0]; |
| 1270 | int pic_width = s->sps->width; |
| 1271 | int pic_height = s->sps->height; |
| 1272 | int mx = mv->x & 3; |
| 1273 | int my = mv->y & 3; |
| 1274 | int weight_flag = (s->sh.slice_type == P_SLICE && s->pps->weighted_pred_flag) || |
| 1275 | (s->sh.slice_type == B_SLICE && s->pps->weighted_bipred_flag); |
| 1276 | int idx = ff_hevc_pel_weight[block_w]; |
| 1277 | |
| 1278 | x_off += mv->x >> 2; |
| 1279 | y_off += mv->y >> 2; |
| 1280 | src += y_off * srcstride + (x_off << s->sps->pixel_shift); |
| 1281 | |
| 1282 | if (x_off < QPEL_EXTRA_BEFORE || y_off < QPEL_EXTRA_AFTER || |
| 1283 | x_off >= pic_width - block_w - QPEL_EXTRA_AFTER || |
| 1284 | y_off >= pic_height - block_h - QPEL_EXTRA_AFTER) { |
| 1285 | const int edge_emu_stride = EDGE_EMU_BUFFER_STRIDE << s->sps->pixel_shift; |
| 1286 | int offset = QPEL_EXTRA_BEFORE * srcstride + (QPEL_EXTRA_BEFORE << s->sps->pixel_shift); |
| 1287 | int buf_offset = QPEL_EXTRA_BEFORE * edge_emu_stride + (QPEL_EXTRA_BEFORE << s->sps->pixel_shift); |
| 1288 | |
| 1289 | s->vdsp.emulated_edge_mc(lc->edge_emu_buffer, src - offset, |
| 1290 | edge_emu_stride, srcstride, |
| 1291 | block_w + QPEL_EXTRA, |
| 1292 | block_h + QPEL_EXTRA, |
| 1293 | x_off - QPEL_EXTRA_BEFORE, y_off - QPEL_EXTRA_BEFORE, |
| 1294 | pic_width, pic_height); |
| 1295 | src = lc->edge_emu_buffer + buf_offset; |
| 1296 | srcstride = edge_emu_stride; |
| 1297 | } |
| 1298 | |
| 1299 | if (!weight_flag) |
| 1300 | s->hevcdsp.put_hevc_qpel_uni[idx][!!my][!!mx](dst, dststride, src, srcstride, |
| 1301 | block_h, mx, my, block_w); |
| 1302 | else |
| 1303 | s->hevcdsp.put_hevc_qpel_uni_w[idx][!!my][!!mx](dst, dststride, src, srcstride, |
| 1304 | block_h, s->sh.luma_log2_weight_denom, |
| 1305 | luma_weight, luma_offset, mx, my, block_w); |
| 1306 | } |
| 1307 | |
| 1308 | /** |
| 1309 | * 8.5.3.2.2.1 Luma sample bidirectional interpolation process |
| 1310 | * |
| 1311 | * @param s HEVC decoding context |
| 1312 | * @param dst target buffer for block data at block position |
| 1313 | * @param dststride stride of the dst buffer |
| 1314 | * @param ref0 reference picture0 buffer at origin (0, 0) |
| 1315 | * @param mv0 motion vector0 (relative to block position) to get pixel data from |
| 1316 | * @param x_off horizontal position of block from origin (0, 0) |
| 1317 | * @param y_off vertical position of block from origin (0, 0) |
| 1318 | * @param block_w width of block |
| 1319 | * @param block_h height of block |
| 1320 | * @param ref1 reference picture1 buffer at origin (0, 0) |
| 1321 | * @param mv1 motion vector1 (relative to block position) to get pixel data from |
| 1322 | * @param current_mv current motion vector structure |
| 1323 | */ |
| 1324 | static void luma_mc_bi(HEVCContext *s, uint8_t *dst, ptrdiff_t dststride, |
| 1325 | AVFrame *ref0, const Mv *mv0, int x_off, int y_off, |
| 1326 | int block_w, int block_h, AVFrame *ref1, const Mv *mv1, struct MvField *current_mv) |
| 1327 | { |
| 1328 | HEVCLocalContext *lc = s->HEVClc; |
| 1329 | ptrdiff_t src0stride = ref0->linesize[0]; |
| 1330 | ptrdiff_t src1stride = ref1->linesize[0]; |
| 1331 | int pic_width = s->sps->width; |
| 1332 | int pic_height = s->sps->height; |
| 1333 | int mx0 = mv0->x & 3; |
| 1334 | int my0 = mv0->y & 3; |
| 1335 | int mx1 = mv1->x & 3; |
| 1336 | int my1 = mv1->y & 3; |
| 1337 | int weight_flag = (s->sh.slice_type == P_SLICE && s->pps->weighted_pred_flag) || |
| 1338 | (s->sh.slice_type == B_SLICE && s->pps->weighted_bipred_flag); |
| 1339 | int x_off0 = x_off + (mv0->x >> 2); |
| 1340 | int y_off0 = y_off + (mv0->y >> 2); |
| 1341 | int x_off1 = x_off + (mv1->x >> 2); |
| 1342 | int y_off1 = y_off + (mv1->y >> 2); |
| 1343 | int idx = ff_hevc_pel_weight[block_w]; |
| 1344 | |
| 1345 | uint8_t *src0 = ref0->data[0] + y_off0 * src0stride + (int)((unsigned)x_off0 << s->sps->pixel_shift); |
| 1346 | uint8_t *src1 = ref1->data[0] + y_off1 * src1stride + (int)((unsigned)x_off1 << s->sps->pixel_shift); |
| 1347 | |
| 1348 | if (x_off0 < QPEL_EXTRA_BEFORE || y_off0 < QPEL_EXTRA_AFTER || |
| 1349 | x_off0 >= pic_width - block_w - QPEL_EXTRA_AFTER || |
| 1350 | y_off0 >= pic_height - block_h - QPEL_EXTRA_AFTER) { |
| 1351 | const int edge_emu_stride = EDGE_EMU_BUFFER_STRIDE << s->sps->pixel_shift; |
| 1352 | int offset = QPEL_EXTRA_BEFORE * src0stride + (QPEL_EXTRA_BEFORE << s->sps->pixel_shift); |
| 1353 | int buf_offset = QPEL_EXTRA_BEFORE * edge_emu_stride + (QPEL_EXTRA_BEFORE << s->sps->pixel_shift); |
| 1354 | |
| 1355 | s->vdsp.emulated_edge_mc(lc->edge_emu_buffer, src0 - offset, |
| 1356 | edge_emu_stride, src0stride, |
| 1357 | block_w + QPEL_EXTRA, |
| 1358 | block_h + QPEL_EXTRA, |
| 1359 | x_off0 - QPEL_EXTRA_BEFORE, y_off0 - QPEL_EXTRA_BEFORE, |
| 1360 | pic_width, pic_height); |
| 1361 | src0 = lc->edge_emu_buffer + buf_offset; |
| 1362 | src0stride = edge_emu_stride; |
| 1363 | } |
| 1364 | |
| 1365 | if (x_off1 < QPEL_EXTRA_BEFORE || y_off1 < QPEL_EXTRA_AFTER || |
| 1366 | x_off1 >= pic_width - block_w - QPEL_EXTRA_AFTER || |
| 1367 | y_off1 >= pic_height - block_h - QPEL_EXTRA_AFTER) { |
| 1368 | const int edge_emu_stride = EDGE_EMU_BUFFER_STRIDE << s->sps->pixel_shift; |
| 1369 | int offset = QPEL_EXTRA_BEFORE * src1stride + (QPEL_EXTRA_BEFORE << s->sps->pixel_shift); |
| 1370 | int buf_offset = QPEL_EXTRA_BEFORE * edge_emu_stride + (QPEL_EXTRA_BEFORE << s->sps->pixel_shift); |
| 1371 | |
| 1372 | s->vdsp.emulated_edge_mc(lc->edge_emu_buffer2, src1 - offset, |
| 1373 | edge_emu_stride, src1stride, |
| 1374 | block_w + QPEL_EXTRA, |
| 1375 | block_h + QPEL_EXTRA, |
| 1376 | x_off1 - QPEL_EXTRA_BEFORE, y_off1 - QPEL_EXTRA_BEFORE, |
| 1377 | pic_width, pic_height); |
| 1378 | src1 = lc->edge_emu_buffer2 + buf_offset; |
| 1379 | src1stride = edge_emu_stride; |
| 1380 | } |
| 1381 | |
| 1382 | s->hevcdsp.put_hevc_qpel[idx][!!my0][!!mx0](lc->tmp, src0, src0stride, |
| 1383 | block_h, mx0, my0, block_w); |
| 1384 | if (!weight_flag) |
| 1385 | s->hevcdsp.put_hevc_qpel_bi[idx][!!my1][!!mx1](dst, dststride, src1, src1stride, lc->tmp, |
| 1386 | block_h, mx1, my1, block_w); |
| 1387 | else |
| 1388 | s->hevcdsp.put_hevc_qpel_bi_w[idx][!!my1][!!mx1](dst, dststride, src1, src1stride, lc->tmp, |
| 1389 | block_h, s->sh.luma_log2_weight_denom, |
| 1390 | s->sh.luma_weight_l0[current_mv->ref_idx[0]], |
| 1391 | s->sh.luma_weight_l1[current_mv->ref_idx[1]], |
| 1392 | s->sh.luma_offset_l0[current_mv->ref_idx[0]], |
| 1393 | s->sh.luma_offset_l1[current_mv->ref_idx[1]], |
| 1394 | mx1, my1, block_w); |
| 1395 | |
| 1396 | } |
| 1397 | |
| 1398 | /** |
| 1399 | * 8.5.3.2.2.2 Chroma sample uniprediction interpolation process |
| 1400 | * |
| 1401 | * @param s HEVC decoding context |
| 1402 | * @param dst1 target buffer for block data at block position (U plane) |
| 1403 | * @param dst2 target buffer for block data at block position (V plane) |
| 1404 | * @param dststride stride of the dst1 and dst2 buffers |
| 1405 | * @param ref reference picture buffer at origin (0, 0) |
| 1406 | * @param mv motion vector (relative to block position) to get pixel data from |
| 1407 | * @param x_off horizontal position of block from origin (0, 0) |
| 1408 | * @param y_off vertical position of block from origin (0, 0) |
| 1409 | * @param block_w width of block |
| 1410 | * @param block_h height of block |
| 1411 | * @param chroma_weight weighting factor applied to the chroma prediction |
| 1412 | * @param chroma_offset additive offset applied to the chroma prediction value |
| 1413 | */ |
| 1414 | |
| 1415 | static void chroma_mc_uni(HEVCContext *s, uint8_t *dst0, |
| 1416 | ptrdiff_t dststride, uint8_t *src0, ptrdiff_t srcstride, int reflist, |
| 1417 | int x_off, int y_off, int block_w, int block_h, struct MvField *current_mv, int chroma_weight, int chroma_offset) |
| 1418 | { |
| 1419 | HEVCLocalContext *lc = s->HEVClc; |
| 1420 | int pic_width = s->sps->width >> s->sps->hshift[1]; |
| 1421 | int pic_height = s->sps->height >> s->sps->vshift[1]; |
| 1422 | const Mv *mv = ¤t_mv->mv[reflist]; |
| 1423 | int weight_flag = (s->sh.slice_type == P_SLICE && s->pps->weighted_pred_flag) || |
| 1424 | (s->sh.slice_type == B_SLICE && s->pps->weighted_bipred_flag); |
| 1425 | int idx = ff_hevc_pel_weight[block_w]; |
| 1426 | int hshift = s->sps->hshift[1]; |
| 1427 | int vshift = s->sps->vshift[1]; |
| 1428 | intptr_t mx = mv->x & ((1 << (2 + hshift)) - 1); |
| 1429 | intptr_t my = mv->y & ((1 << (2 + vshift)) - 1); |
| 1430 | intptr_t _mx = mx << (1 - hshift); |
| 1431 | intptr_t _my = my << (1 - vshift); |
| 1432 | |
| 1433 | x_off += mv->x >> (2 + hshift); |
| 1434 | y_off += mv->y >> (2 + vshift); |
| 1435 | src0 += y_off * srcstride + (x_off << s->sps->pixel_shift); |
| 1436 | |
| 1437 | if (x_off < EPEL_EXTRA_BEFORE || y_off < EPEL_EXTRA_AFTER || |
| 1438 | x_off >= pic_width - block_w - EPEL_EXTRA_AFTER || |
| 1439 | y_off >= pic_height - block_h - EPEL_EXTRA_AFTER) { |
| 1440 | const int edge_emu_stride = EDGE_EMU_BUFFER_STRIDE << s->sps->pixel_shift; |
| 1441 | int offset0 = EPEL_EXTRA_BEFORE * (srcstride + (1 << s->sps->pixel_shift)); |
| 1442 | int buf_offset0 = EPEL_EXTRA_BEFORE * |
| 1443 | (edge_emu_stride + (1 << s->sps->pixel_shift)); |
| 1444 | s->vdsp.emulated_edge_mc(lc->edge_emu_buffer, src0 - offset0, |
| 1445 | edge_emu_stride, srcstride, |
| 1446 | block_w + EPEL_EXTRA, block_h + EPEL_EXTRA, |
| 1447 | x_off - EPEL_EXTRA_BEFORE, |
| 1448 | y_off - EPEL_EXTRA_BEFORE, |
| 1449 | pic_width, pic_height); |
| 1450 | |
| 1451 | src0 = lc->edge_emu_buffer + buf_offset0; |
| 1452 | srcstride = edge_emu_stride; |
| 1453 | } |
| 1454 | if (!weight_flag) |
| 1455 | s->hevcdsp.put_hevc_epel_uni[idx][!!my][!!mx](dst0, dststride, src0, srcstride, |
| 1456 | block_h, _mx, _my, block_w); |
| 1457 | else |
| 1458 | s->hevcdsp.put_hevc_epel_uni_w[idx][!!my][!!mx](dst0, dststride, src0, srcstride, |
| 1459 | block_h, s->sh.chroma_log2_weight_denom, |
| 1460 | chroma_weight, chroma_offset, _mx, _my, block_w); |
| 1461 | } |
| 1462 | |
| 1463 | /** |
| 1464 | * 8.5.3.2.2.2 Chroma sample bidirectional interpolation process |
| 1465 | * |
| 1466 | * @param s HEVC decoding context |
| 1467 | * @param dst target buffer for block data at block position |
| 1468 | * @param dststride stride of the dst buffer |
| 1469 | * @param ref0 reference picture0 buffer at origin (0, 0) |
| 1470 | * @param mv0 motion vector0 (relative to block position) to get pixel data from |
| 1471 | * @param x_off horizontal position of block from origin (0, 0) |
| 1472 | * @param y_off vertical position of block from origin (0, 0) |
| 1473 | * @param block_w width of block |
| 1474 | * @param block_h height of block |
| 1475 | * @param ref1 reference picture1 buffer at origin (0, 0) |
| 1476 | * @param mv1 motion vector1 (relative to block position) to get pixel data from |
| 1477 | * @param current_mv current motion vector structure |
| 1478 | * @param cidx chroma component(cb, cr) |
| 1479 | */ |
| 1480 | static void chroma_mc_bi(HEVCContext *s, uint8_t *dst0, ptrdiff_t dststride, AVFrame *ref0, AVFrame *ref1, |
| 1481 | int x_off, int y_off, int block_w, int block_h, struct MvField *current_mv, int cidx) |
| 1482 | { |
| 1483 | HEVCLocalContext *lc = s->HEVClc; |
| 1484 | uint8_t *src1 = ref0->data[cidx+1]; |
| 1485 | uint8_t *src2 = ref1->data[cidx+1]; |
| 1486 | ptrdiff_t src1stride = ref0->linesize[cidx+1]; |
| 1487 | ptrdiff_t src2stride = ref1->linesize[cidx+1]; |
| 1488 | int weight_flag = (s->sh.slice_type == P_SLICE && s->pps->weighted_pred_flag) || |
| 1489 | (s->sh.slice_type == B_SLICE && s->pps->weighted_bipred_flag); |
| 1490 | int pic_width = s->sps->width >> s->sps->hshift[1]; |
| 1491 | int pic_height = s->sps->height >> s->sps->vshift[1]; |
| 1492 | Mv *mv0 = ¤t_mv->mv[0]; |
| 1493 | Mv *mv1 = ¤t_mv->mv[1]; |
| 1494 | int hshift = s->sps->hshift[1]; |
| 1495 | int vshift = s->sps->vshift[1]; |
| 1496 | |
| 1497 | intptr_t mx0 = mv0->x & ((1 << (2 + hshift)) - 1); |
| 1498 | intptr_t my0 = mv0->y & ((1 << (2 + vshift)) - 1); |
| 1499 | intptr_t mx1 = mv1->x & ((1 << (2 + hshift)) - 1); |
| 1500 | intptr_t my1 = mv1->y & ((1 << (2 + vshift)) - 1); |
| 1501 | intptr_t _mx0 = mx0 << (1 - hshift); |
| 1502 | intptr_t _my0 = my0 << (1 - vshift); |
| 1503 | intptr_t _mx1 = mx1 << (1 - hshift); |
| 1504 | intptr_t _my1 = my1 << (1 - vshift); |
| 1505 | |
| 1506 | int x_off0 = x_off + (mv0->x >> (2 + hshift)); |
| 1507 | int y_off0 = y_off + (mv0->y >> (2 + vshift)); |
| 1508 | int x_off1 = x_off + (mv1->x >> (2 + hshift)); |
| 1509 | int y_off1 = y_off + (mv1->y >> (2 + vshift)); |
| 1510 | int idx = ff_hevc_pel_weight[block_w]; |
| 1511 | src1 += y_off0 * src1stride + (int)((unsigned)x_off0 << s->sps->pixel_shift); |
| 1512 | src2 += y_off1 * src2stride + (int)((unsigned)x_off1 << s->sps->pixel_shift); |
| 1513 | |
| 1514 | if (x_off0 < EPEL_EXTRA_BEFORE || y_off0 < EPEL_EXTRA_AFTER || |
| 1515 | x_off0 >= pic_width - block_w - EPEL_EXTRA_AFTER || |
| 1516 | y_off0 >= pic_height - block_h - EPEL_EXTRA_AFTER) { |
| 1517 | const int edge_emu_stride = EDGE_EMU_BUFFER_STRIDE << s->sps->pixel_shift; |
| 1518 | int offset1 = EPEL_EXTRA_BEFORE * (src1stride + (1 << s->sps->pixel_shift)); |
| 1519 | int buf_offset1 = EPEL_EXTRA_BEFORE * |
| 1520 | (edge_emu_stride + (1 << s->sps->pixel_shift)); |
| 1521 | |
| 1522 | s->vdsp.emulated_edge_mc(lc->edge_emu_buffer, src1 - offset1, |
| 1523 | edge_emu_stride, src1stride, |
| 1524 | block_w + EPEL_EXTRA, block_h + EPEL_EXTRA, |
| 1525 | x_off0 - EPEL_EXTRA_BEFORE, |
| 1526 | y_off0 - EPEL_EXTRA_BEFORE, |
| 1527 | pic_width, pic_height); |
| 1528 | |
| 1529 | src1 = lc->edge_emu_buffer + buf_offset1; |
| 1530 | src1stride = edge_emu_stride; |
| 1531 | } |
| 1532 | |
| 1533 | if (x_off1 < EPEL_EXTRA_BEFORE || y_off1 < EPEL_EXTRA_AFTER || |
| 1534 | x_off1 >= pic_width - block_w - EPEL_EXTRA_AFTER || |
| 1535 | y_off1 >= pic_height - block_h - EPEL_EXTRA_AFTER) { |
| 1536 | const int edge_emu_stride = EDGE_EMU_BUFFER_STRIDE << s->sps->pixel_shift; |
| 1537 | int offset1 = EPEL_EXTRA_BEFORE * (src2stride + (1 << s->sps->pixel_shift)); |
| 1538 | int buf_offset1 = EPEL_EXTRA_BEFORE * |
| 1539 | (edge_emu_stride + (1 << s->sps->pixel_shift)); |
| 1540 | |
| 1541 | s->vdsp.emulated_edge_mc(lc->edge_emu_buffer2, src2 - offset1, |
| 1542 | edge_emu_stride, src2stride, |
| 1543 | block_w + EPEL_EXTRA, block_h + EPEL_EXTRA, |
| 1544 | x_off1 - EPEL_EXTRA_BEFORE, |
| 1545 | y_off1 - EPEL_EXTRA_BEFORE, |
| 1546 | pic_width, pic_height); |
| 1547 | |
| 1548 | src2 = lc->edge_emu_buffer2 + buf_offset1; |
| 1549 | src2stride = edge_emu_stride; |
| 1550 | } |
| 1551 | |
| 1552 | s->hevcdsp.put_hevc_epel[idx][!!my0][!!mx0](lc->tmp, src1, src1stride, |
| 1553 | block_h, _mx0, _my0, block_w); |
| 1554 | if (!weight_flag) |
| 1555 | s->hevcdsp.put_hevc_epel_bi[idx][!!my1][!!mx1](dst0, s->frame->linesize[cidx+1], |
| 1556 | src2, src2stride, lc->tmp, |
| 1557 | block_h, _mx1, _my1, block_w); |
| 1558 | else |
| 1559 | s->hevcdsp.put_hevc_epel_bi_w[idx][!!my1][!!mx1](dst0, s->frame->linesize[cidx+1], |
| 1560 | src2, src2stride, lc->tmp, |
| 1561 | block_h, |
| 1562 | s->sh.chroma_log2_weight_denom, |
| 1563 | s->sh.chroma_weight_l0[current_mv->ref_idx[0]][cidx], |
| 1564 | s->sh.chroma_weight_l1[current_mv->ref_idx[1]][cidx], |
| 1565 | s->sh.chroma_offset_l0[current_mv->ref_idx[0]][cidx], |
| 1566 | s->sh.chroma_offset_l1[current_mv->ref_idx[1]][cidx], |
| 1567 | _mx1, _my1, block_w); |
| 1568 | } |
| 1569 | |
| 1570 | static void hevc_await_progress(HEVCContext *s, HEVCFrame *ref, |
| 1571 | const Mv *mv, int y0, int height) |
| 1572 | { |
| 1573 | int y = FFMAX(0, (mv->y >> 2) + y0 + height + 9); |
| 1574 | |
| 1575 | if (s->threads_type == FF_THREAD_FRAME ) |
| 1576 | ff_thread_await_progress(&ref->tf, y, 0); |
| 1577 | } |
| 1578 | |
| 1579 | static void hevc_luma_mv_mpv_mode(HEVCContext *s, int x0, int y0, int nPbW, |
| 1580 | int nPbH, int log2_cb_size, int part_idx, |
| 1581 | int merge_idx, MvField *mv) |
| 1582 | { |
| 1583 | HEVCLocalContext *lc = s->HEVClc; |
| 1584 | enum InterPredIdc inter_pred_idc = PRED_L0; |
| 1585 | int mvp_flag; |
| 1586 | |
| 1587 | ff_hevc_set_neighbour_available(s, x0, y0, nPbW, nPbH); |
| 1588 | mv->pred_flag = 0; |
| 1589 | if (s->sh.slice_type == B_SLICE) |
| 1590 | inter_pred_idc = ff_hevc_inter_pred_idc_decode(s, nPbW, nPbH); |
| 1591 | |
| 1592 | if (inter_pred_idc != PRED_L1) { |
| 1593 | if (s->sh.nb_refs[L0]) |
| 1594 | mv->ref_idx[0]= ff_hevc_ref_idx_lx_decode(s, s->sh.nb_refs[L0]); |
| 1595 | |
| 1596 | mv->pred_flag = PF_L0; |
| 1597 | ff_hevc_hls_mvd_coding(s, x0, y0, 0); |
| 1598 | mvp_flag = ff_hevc_mvp_lx_flag_decode(s); |
| 1599 | ff_hevc_luma_mv_mvp_mode(s, x0, y0, nPbW, nPbH, log2_cb_size, |
| 1600 | part_idx, merge_idx, mv, mvp_flag, 0); |
| 1601 | mv->mv[0].x += lc->pu.mvd.x; |
| 1602 | mv->mv[0].y += lc->pu.mvd.y; |
| 1603 | } |
| 1604 | |
| 1605 | if (inter_pred_idc != PRED_L0) { |
| 1606 | if (s->sh.nb_refs[L1]) |
| 1607 | mv->ref_idx[1]= ff_hevc_ref_idx_lx_decode(s, s->sh.nb_refs[L1]); |
| 1608 | |
| 1609 | if (s->sh.mvd_l1_zero_flag == 1 && inter_pred_idc == PRED_BI) { |
| 1610 | AV_ZERO32(&lc->pu.mvd); |
| 1611 | } else { |
| 1612 | ff_hevc_hls_mvd_coding(s, x0, y0, 1); |
| 1613 | } |
| 1614 | |
| 1615 | mv->pred_flag += PF_L1; |
| 1616 | mvp_flag = ff_hevc_mvp_lx_flag_decode(s); |
| 1617 | ff_hevc_luma_mv_mvp_mode(s, x0, y0, nPbW, nPbH, log2_cb_size, |
| 1618 | part_idx, merge_idx, mv, mvp_flag, 1); |
| 1619 | mv->mv[1].x += lc->pu.mvd.x; |
| 1620 | mv->mv[1].y += lc->pu.mvd.y; |
| 1621 | } |
| 1622 | } |
| 1623 | |
| 1624 | static void hls_prediction_unit(HEVCContext *s, int x0, int y0, |
| 1625 | int nPbW, int nPbH, |
| 1626 | int log2_cb_size, int partIdx, int idx) |
| 1627 | { |
| 1628 | #define POS(c_idx, x, y) \ |
| 1629 | &s->frame->data[c_idx][((y) >> s->sps->vshift[c_idx]) * s->frame->linesize[c_idx] + \ |
| 1630 | (((x) >> s->sps->hshift[c_idx]) << s->sps->pixel_shift)] |
| 1631 | HEVCLocalContext *lc = s->HEVClc; |
| 1632 | int merge_idx = 0; |
| 1633 | struct MvField current_mv = {{{ 0 }}}; |
| 1634 | |
| 1635 | int min_pu_width = s->sps->min_pu_width; |
| 1636 | |
| 1637 | MvField *tab_mvf = s->ref->tab_mvf; |
| 1638 | RefPicList *refPicList = s->ref->refPicList; |
| 1639 | HEVCFrame *ref0, *ref1; |
| 1640 | uint8_t *dst0 = POS(0, x0, y0); |
| 1641 | uint8_t *dst1 = POS(1, x0, y0); |
| 1642 | uint8_t *dst2 = POS(2, x0, y0); |
| 1643 | int log2_min_cb_size = s->sps->log2_min_cb_size; |
| 1644 | int min_cb_width = s->sps->min_cb_width; |
| 1645 | int x_cb = x0 >> log2_min_cb_size; |
| 1646 | int y_cb = y0 >> log2_min_cb_size; |
| 1647 | int x_pu, y_pu; |
| 1648 | int i, j; |
| 1649 | |
| 1650 | int skip_flag = SAMPLE_CTB(s->skip_flag, x_cb, y_cb); |
| 1651 | |
| 1652 | if (!skip_flag) |
| 1653 | lc->pu.merge_flag = ff_hevc_merge_flag_decode(s); |
| 1654 | |
| 1655 | if (skip_flag || lc->pu.merge_flag) { |
| 1656 | if (s->sh.max_num_merge_cand > 1) |
| 1657 | merge_idx = ff_hevc_merge_idx_decode(s); |
| 1658 | else |
| 1659 | merge_idx = 0; |
| 1660 | |
| 1661 | ff_hevc_luma_mv_merge_mode(s, x0, y0, nPbW, nPbH, log2_cb_size, |
| 1662 | partIdx, merge_idx, ¤t_mv); |
| 1663 | } else { |
| 1664 | hevc_luma_mv_mpv_mode(s, x0, y0, nPbW, nPbH, log2_cb_size, |
| 1665 | partIdx, merge_idx, ¤t_mv); |
| 1666 | } |
| 1667 | |
| 1668 | x_pu = x0 >> s->sps->log2_min_pu_size; |
| 1669 | y_pu = y0 >> s->sps->log2_min_pu_size; |
| 1670 | |
| 1671 | for (j = 0; j < nPbH >> s->sps->log2_min_pu_size; j++) |
| 1672 | for (i = 0; i < nPbW >> s->sps->log2_min_pu_size; i++) |
| 1673 | tab_mvf[(y_pu + j) * min_pu_width + x_pu + i] = current_mv; |
| 1674 | |
| 1675 | if (current_mv.pred_flag & PF_L0) { |
| 1676 | ref0 = refPicList[0].ref[current_mv.ref_idx[0]]; |
| 1677 | if (!ref0) |
| 1678 | return; |
| 1679 | hevc_await_progress(s, ref0, ¤t_mv.mv[0], y0, nPbH); |
| 1680 | } |
| 1681 | if (current_mv.pred_flag & PF_L1) { |
| 1682 | ref1 = refPicList[1].ref[current_mv.ref_idx[1]]; |
| 1683 | if (!ref1) |
| 1684 | return; |
| 1685 | hevc_await_progress(s, ref1, ¤t_mv.mv[1], y0, nPbH); |
| 1686 | } |
| 1687 | |
| 1688 | if (current_mv.pred_flag == PF_L0) { |
| 1689 | int x0_c = x0 >> s->sps->hshift[1]; |
| 1690 | int y0_c = y0 >> s->sps->vshift[1]; |
| 1691 | int nPbW_c = nPbW >> s->sps->hshift[1]; |
| 1692 | int nPbH_c = nPbH >> s->sps->vshift[1]; |
| 1693 | |
| 1694 | luma_mc_uni(s, dst0, s->frame->linesize[0], ref0->frame, |
| 1695 | ¤t_mv.mv[0], x0, y0, nPbW, nPbH, |
| 1696 | s->sh.luma_weight_l0[current_mv.ref_idx[0]], |
| 1697 | s->sh.luma_offset_l0[current_mv.ref_idx[0]]); |
| 1698 | |
| 1699 | chroma_mc_uni(s, dst1, s->frame->linesize[1], ref0->frame->data[1], ref0->frame->linesize[1], |
| 1700 | 0, x0_c, y0_c, nPbW_c, nPbH_c, ¤t_mv, |
| 1701 | s->sh.chroma_weight_l0[current_mv.ref_idx[0]][0], s->sh.chroma_offset_l0[current_mv.ref_idx[0]][0]); |
| 1702 | chroma_mc_uni(s, dst2, s->frame->linesize[2], ref0->frame->data[2], ref0->frame->linesize[2], |
| 1703 | 0, x0_c, y0_c, nPbW_c, nPbH_c, ¤t_mv, |
| 1704 | s->sh.chroma_weight_l0[current_mv.ref_idx[0]][1], s->sh.chroma_offset_l0[current_mv.ref_idx[0]][1]); |
| 1705 | } else if (current_mv.pred_flag == PF_L1) { |
| 1706 | int x0_c = x0 >> s->sps->hshift[1]; |
| 1707 | int y0_c = y0 >> s->sps->vshift[1]; |
| 1708 | int nPbW_c = nPbW >> s->sps->hshift[1]; |
| 1709 | int nPbH_c = nPbH >> s->sps->vshift[1]; |
| 1710 | |
| 1711 | luma_mc_uni(s, dst0, s->frame->linesize[0], ref1->frame, |
| 1712 | ¤t_mv.mv[1], x0, y0, nPbW, nPbH, |
| 1713 | s->sh.luma_weight_l1[current_mv.ref_idx[1]], |
| 1714 | s->sh.luma_offset_l1[current_mv.ref_idx[1]]); |
| 1715 | |
| 1716 | chroma_mc_uni(s, dst1, s->frame->linesize[1], ref1->frame->data[1], ref1->frame->linesize[1], |
| 1717 | 1, x0_c, y0_c, nPbW_c, nPbH_c, ¤t_mv, |
| 1718 | s->sh.chroma_weight_l1[current_mv.ref_idx[1]][0], s->sh.chroma_offset_l1[current_mv.ref_idx[1]][0]); |
| 1719 | |
| 1720 | chroma_mc_uni(s, dst2, s->frame->linesize[2], ref1->frame->data[2], ref1->frame->linesize[2], |
| 1721 | 1, x0_c, y0_c, nPbW_c, nPbH_c, ¤t_mv, |
| 1722 | s->sh.chroma_weight_l1[current_mv.ref_idx[1]][1], s->sh.chroma_offset_l1[current_mv.ref_idx[1]][1]); |
| 1723 | } else if (current_mv.pred_flag == PF_BI) { |
| 1724 | int x0_c = x0 >> s->sps->hshift[1]; |
| 1725 | int y0_c = y0 >> s->sps->vshift[1]; |
| 1726 | int nPbW_c = nPbW >> s->sps->hshift[1]; |
| 1727 | int nPbH_c = nPbH >> s->sps->vshift[1]; |
| 1728 | |
| 1729 | luma_mc_bi(s, dst0, s->frame->linesize[0], ref0->frame, |
| 1730 | ¤t_mv.mv[0], x0, y0, nPbW, nPbH, |
| 1731 | ref1->frame, ¤t_mv.mv[1], ¤t_mv); |
| 1732 | |
| 1733 | chroma_mc_bi(s, dst1, s->frame->linesize[1], ref0->frame, ref1->frame, |
| 1734 | x0_c, y0_c, nPbW_c, nPbH_c, ¤t_mv, 0); |
| 1735 | |
| 1736 | chroma_mc_bi(s, dst2, s->frame->linesize[2], ref0->frame, ref1->frame, |
| 1737 | x0_c, y0_c, nPbW_c, nPbH_c, ¤t_mv, 1); |
| 1738 | } |
| 1739 | } |
| 1740 | |
| 1741 | /** |
| 1742 | * 8.4.1 |
| 1743 | */ |
| 1744 | static int luma_intra_pred_mode(HEVCContext *s, int x0, int y0, int pu_size, |
| 1745 | int prev_intra_luma_pred_flag) |
| 1746 | { |
| 1747 | HEVCLocalContext *lc = s->HEVClc; |
| 1748 | int x_pu = x0 >> s->sps->log2_min_pu_size; |
| 1749 | int y_pu = y0 >> s->sps->log2_min_pu_size; |
| 1750 | int min_pu_width = s->sps->min_pu_width; |
| 1751 | int size_in_pus = pu_size >> s->sps->log2_min_pu_size; |
| 1752 | int x0b = x0 & ((1 << s->sps->log2_ctb_size) - 1); |
| 1753 | int y0b = y0 & ((1 << s->sps->log2_ctb_size) - 1); |
| 1754 | |
| 1755 | int cand_up = (lc->ctb_up_flag || y0b) ? |
| 1756 | s->tab_ipm[(y_pu - 1) * min_pu_width + x_pu] : INTRA_DC; |
| 1757 | int cand_left = (lc->ctb_left_flag || x0b) ? |
| 1758 | s->tab_ipm[y_pu * min_pu_width + x_pu - 1] : INTRA_DC; |
| 1759 | |
| 1760 | int y_ctb = (y0 >> (s->sps->log2_ctb_size)) << (s->sps->log2_ctb_size); |
| 1761 | |
| 1762 | MvField *tab_mvf = s->ref->tab_mvf; |
| 1763 | int intra_pred_mode; |
| 1764 | int candidate[3]; |
| 1765 | int i, j; |
| 1766 | |
| 1767 | // intra_pred_mode prediction does not cross vertical CTB boundaries |
| 1768 | if ((y0 - 1) < y_ctb) |
| 1769 | cand_up = INTRA_DC; |
| 1770 | |
| 1771 | if (cand_left == cand_up) { |
| 1772 | if (cand_left < 2) { |
| 1773 | candidate[0] = INTRA_PLANAR; |
| 1774 | candidate[1] = INTRA_DC; |
| 1775 | candidate[2] = INTRA_ANGULAR_26; |
| 1776 | } else { |
| 1777 | candidate[0] = cand_left; |
| 1778 | candidate[1] = 2 + ((cand_left - 2 - 1 + 32) & 31); |
| 1779 | candidate[2] = 2 + ((cand_left - 2 + 1) & 31); |
| 1780 | } |
| 1781 | } else { |
| 1782 | candidate[0] = cand_left; |
| 1783 | candidate[1] = cand_up; |
| 1784 | if (candidate[0] != INTRA_PLANAR && candidate[1] != INTRA_PLANAR) { |
| 1785 | candidate[2] = INTRA_PLANAR; |
| 1786 | } else if (candidate[0] != INTRA_DC && candidate[1] != INTRA_DC) { |
| 1787 | candidate[2] = INTRA_DC; |
| 1788 | } else { |
| 1789 | candidate[2] = INTRA_ANGULAR_26; |
| 1790 | } |
| 1791 | } |
| 1792 | |
| 1793 | if (prev_intra_luma_pred_flag) { |
| 1794 | intra_pred_mode = candidate[lc->pu.mpm_idx]; |
| 1795 | } else { |
| 1796 | if (candidate[0] > candidate[1]) |
| 1797 | FFSWAP(uint8_t, candidate[0], candidate[1]); |
| 1798 | if (candidate[0] > candidate[2]) |
| 1799 | FFSWAP(uint8_t, candidate[0], candidate[2]); |
| 1800 | if (candidate[1] > candidate[2]) |
| 1801 | FFSWAP(uint8_t, candidate[1], candidate[2]); |
| 1802 | |
| 1803 | intra_pred_mode = lc->pu.rem_intra_luma_pred_mode; |
| 1804 | for (i = 0; i < 3; i++) |
| 1805 | if (intra_pred_mode >= candidate[i]) |
| 1806 | intra_pred_mode++; |
| 1807 | } |
| 1808 | |
| 1809 | /* write the intra prediction units into the mv array */ |
| 1810 | if (!size_in_pus) |
| 1811 | size_in_pus = 1; |
| 1812 | for (i = 0; i < size_in_pus; i++) { |
| 1813 | memset(&s->tab_ipm[(y_pu + i) * min_pu_width + x_pu], |
| 1814 | intra_pred_mode, size_in_pus); |
| 1815 | |
| 1816 | for (j = 0; j < size_in_pus; j++) { |
| 1817 | tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].pred_flag = PF_INTRA; |
| 1818 | } |
| 1819 | } |
| 1820 | |
| 1821 | return intra_pred_mode; |
| 1822 | } |
| 1823 | |
| 1824 | static av_always_inline void set_ct_depth(HEVCContext *s, int x0, int y0, |
| 1825 | int log2_cb_size, int ct_depth) |
| 1826 | { |
| 1827 | int length = (1 << log2_cb_size) >> s->sps->log2_min_cb_size; |
| 1828 | int x_cb = x0 >> s->sps->log2_min_cb_size; |
| 1829 | int y_cb = y0 >> s->sps->log2_min_cb_size; |
| 1830 | int y; |
| 1831 | |
| 1832 | for (y = 0; y < length; y++) |
| 1833 | memset(&s->tab_ct_depth[(y_cb + y) * s->sps->min_cb_width + x_cb], |
| 1834 | ct_depth, length); |
| 1835 | } |
| 1836 | |
| 1837 | static const uint8_t tab_mode_idx[] = { |
| 1838 | 0, 1, 2, 2, 2, 2, 3, 5, 7, 8, 10, 12, 13, 15, 17, 18, 19, 20, |
| 1839 | 21, 22, 23, 23, 24, 24, 25, 25, 26, 27, 27, 28, 28, 29, 29, 30, 31}; |
| 1840 | |
| 1841 | static void intra_prediction_unit(HEVCContext *s, int x0, int y0, |
| 1842 | int log2_cb_size) |
| 1843 | { |
| 1844 | HEVCLocalContext *lc = s->HEVClc; |
| 1845 | static const uint8_t intra_chroma_table[4] = { 0, 26, 10, 1 }; |
| 1846 | uint8_t prev_intra_luma_pred_flag[4]; |
| 1847 | int split = lc->cu.part_mode == PART_NxN; |
| 1848 | int pb_size = (1 << log2_cb_size) >> split; |
| 1849 | int side = split + 1; |
| 1850 | int chroma_mode; |
| 1851 | int i, j; |
| 1852 | |
| 1853 | for (i = 0; i < side; i++) |
| 1854 | for (j = 0; j < side; j++) |
| 1855 | prev_intra_luma_pred_flag[2 * i + j] = ff_hevc_prev_intra_luma_pred_flag_decode(s); |
| 1856 | |
| 1857 | for (i = 0; i < side; i++) { |
| 1858 | for (j = 0; j < side; j++) { |
| 1859 | if (prev_intra_luma_pred_flag[2 * i + j]) |
| 1860 | lc->pu.mpm_idx = ff_hevc_mpm_idx_decode(s); |
| 1861 | else |
| 1862 | lc->pu.rem_intra_luma_pred_mode = ff_hevc_rem_intra_luma_pred_mode_decode(s); |
| 1863 | |
| 1864 | lc->pu.intra_pred_mode[2 * i + j] = |
| 1865 | luma_intra_pred_mode(s, x0 + pb_size * j, y0 + pb_size * i, pb_size, |
| 1866 | prev_intra_luma_pred_flag[2 * i + j]); |
| 1867 | } |
| 1868 | } |
| 1869 | |
| 1870 | if (s->sps->chroma_format_idc == 3) { |
| 1871 | for (i = 0; i < side; i++) { |
| 1872 | for (j = 0; j < side; j++) { |
| 1873 | lc->pu.chroma_mode_c[2 * i + j] = chroma_mode = ff_hevc_intra_chroma_pred_mode_decode(s); |
| 1874 | if (chroma_mode != 4) { |
| 1875 | if (lc->pu.intra_pred_mode[2 * i + j] == intra_chroma_table[chroma_mode]) |
| 1876 | lc->pu.intra_pred_mode_c[2 * i + j] = 34; |
| 1877 | else |
| 1878 | lc->pu.intra_pred_mode_c[2 * i + j] = intra_chroma_table[chroma_mode]; |
| 1879 | } else { |
| 1880 | lc->pu.intra_pred_mode_c[2 * i + j] = lc->pu.intra_pred_mode[2 * i + j]; |
| 1881 | } |
| 1882 | } |
| 1883 | } |
| 1884 | } else if (s->sps->chroma_format_idc == 2) { |
| 1885 | int mode_idx; |
| 1886 | lc->pu.chroma_mode_c[0] = chroma_mode = ff_hevc_intra_chroma_pred_mode_decode(s); |
| 1887 | if (chroma_mode != 4) { |
| 1888 | if (lc->pu.intra_pred_mode[0] == intra_chroma_table[chroma_mode]) |
| 1889 | mode_idx = 34; |
| 1890 | else |
| 1891 | mode_idx = intra_chroma_table[chroma_mode]; |
| 1892 | } else { |
| 1893 | mode_idx = lc->pu.intra_pred_mode[0]; |
| 1894 | } |
| 1895 | lc->pu.intra_pred_mode_c[0] = tab_mode_idx[mode_idx]; |
| 1896 | } else if (s->sps->chroma_format_idc != 0) { |
| 1897 | chroma_mode = ff_hevc_intra_chroma_pred_mode_decode(s); |
| 1898 | if (chroma_mode != 4) { |
| 1899 | if (lc->pu.intra_pred_mode[0] == intra_chroma_table[chroma_mode]) |
| 1900 | lc->pu.intra_pred_mode_c[0] = 34; |
| 1901 | else |
| 1902 | lc->pu.intra_pred_mode_c[0] = intra_chroma_table[chroma_mode]; |
| 1903 | } else { |
| 1904 | lc->pu.intra_pred_mode_c[0] = lc->pu.intra_pred_mode[0]; |
| 1905 | } |
| 1906 | } |
| 1907 | } |
| 1908 | |
| 1909 | static void intra_prediction_unit_default_value(HEVCContext *s, |
| 1910 | int x0, int y0, |
| 1911 | int log2_cb_size) |
| 1912 | { |
| 1913 | HEVCLocalContext *lc = s->HEVClc; |
| 1914 | int pb_size = 1 << log2_cb_size; |
| 1915 | int size_in_pus = pb_size >> s->sps->log2_min_pu_size; |
| 1916 | int min_pu_width = s->sps->min_pu_width; |
| 1917 | MvField *tab_mvf = s->ref->tab_mvf; |
| 1918 | int x_pu = x0 >> s->sps->log2_min_pu_size; |
| 1919 | int y_pu = y0 >> s->sps->log2_min_pu_size; |
| 1920 | int j, k; |
| 1921 | |
| 1922 | if (size_in_pus == 0) |
| 1923 | size_in_pus = 1; |
| 1924 | for (j = 0; j < size_in_pus; j++) |
| 1925 | memset(&s->tab_ipm[(y_pu + j) * min_pu_width + x_pu], INTRA_DC, size_in_pus); |
| 1926 | if (lc->cu.pred_mode == MODE_INTRA) |
| 1927 | for (j = 0; j < size_in_pus; j++) |
| 1928 | for (k = 0; k < size_in_pus; k++) |
| 1929 | tab_mvf[(y_pu + j) * min_pu_width + x_pu + k].pred_flag = PF_INTRA; |
| 1930 | } |
| 1931 | |
| 1932 | static int hls_coding_unit(HEVCContext *s, int x0, int y0, int log2_cb_size) |
| 1933 | { |
| 1934 | int cb_size = 1 << log2_cb_size; |
| 1935 | HEVCLocalContext *lc = s->HEVClc; |
| 1936 | int log2_min_cb_size = s->sps->log2_min_cb_size; |
| 1937 | int length = cb_size >> log2_min_cb_size; |
| 1938 | int min_cb_width = s->sps->min_cb_width; |
| 1939 | int x_cb = x0 >> log2_min_cb_size; |
| 1940 | int y_cb = y0 >> log2_min_cb_size; |
| 1941 | int idx = log2_cb_size - 2; |
| 1942 | int qp_block_mask = (1<<(s->sps->log2_ctb_size - s->pps->diff_cu_qp_delta_depth)) - 1; |
| 1943 | int x, y, ret; |
| 1944 | |
| 1945 | lc->cu.x = x0; |
| 1946 | lc->cu.y = y0; |
| 1947 | lc->cu.pred_mode = MODE_INTRA; |
| 1948 | lc->cu.part_mode = PART_2Nx2N; |
| 1949 | lc->cu.intra_split_flag = 0; |
| 1950 | |
| 1951 | SAMPLE_CTB(s->skip_flag, x_cb, y_cb) = 0; |
| 1952 | for (x = 0; x < 4; x++) |
| 1953 | lc->pu.intra_pred_mode[x] = 1; |
| 1954 | if (s->pps->transquant_bypass_enable_flag) { |
| 1955 | lc->cu.cu_transquant_bypass_flag = ff_hevc_cu_transquant_bypass_flag_decode(s); |
| 1956 | if (lc->cu.cu_transquant_bypass_flag) |
| 1957 | set_deblocking_bypass(s, x0, y0, log2_cb_size); |
| 1958 | } else |
| 1959 | lc->cu.cu_transquant_bypass_flag = 0; |
| 1960 | |
| 1961 | if (s->sh.slice_type != I_SLICE) { |
| 1962 | uint8_t skip_flag = ff_hevc_skip_flag_decode(s, x0, y0, x_cb, y_cb); |
| 1963 | |
| 1964 | x = y_cb * min_cb_width + x_cb; |
| 1965 | for (y = 0; y < length; y++) { |
| 1966 | memset(&s->skip_flag[x], skip_flag, length); |
| 1967 | x += min_cb_width; |
| 1968 | } |
| 1969 | lc->cu.pred_mode = skip_flag ? MODE_SKIP : MODE_INTER; |
| 1970 | } else { |
| 1971 | x = y_cb * min_cb_width + x_cb; |
| 1972 | for (y = 0; y < length; y++) { |
| 1973 | memset(&s->skip_flag[x], 0, length); |
| 1974 | x += min_cb_width; |
| 1975 | } |
| 1976 | } |
| 1977 | |
| 1978 | if (SAMPLE_CTB(s->skip_flag, x_cb, y_cb)) { |
| 1979 | hls_prediction_unit(s, x0, y0, cb_size, cb_size, log2_cb_size, 0, idx); |
| 1980 | intra_prediction_unit_default_value(s, x0, y0, log2_cb_size); |
| 1981 | |
| 1982 | if (!s->sh.disable_deblocking_filter_flag) |
| 1983 | ff_hevc_deblocking_boundary_strengths(s, x0, y0, log2_cb_size); |
| 1984 | } else { |
| 1985 | int pcm_flag = 0; |
| 1986 | |
| 1987 | if (s->sh.slice_type != I_SLICE) |
| 1988 | lc->cu.pred_mode = ff_hevc_pred_mode_decode(s); |
| 1989 | if (lc->cu.pred_mode != MODE_INTRA || |
| 1990 | log2_cb_size == s->sps->log2_min_cb_size) { |
| 1991 | lc->cu.part_mode = ff_hevc_part_mode_decode(s, log2_cb_size); |
| 1992 | lc->cu.intra_split_flag = lc->cu.part_mode == PART_NxN && |
| 1993 | lc->cu.pred_mode == MODE_INTRA; |
| 1994 | } |
| 1995 | |
| 1996 | if (lc->cu.pred_mode == MODE_INTRA) { |
| 1997 | if (lc->cu.part_mode == PART_2Nx2N && s->sps->pcm_enabled_flag && |
| 1998 | log2_cb_size >= s->sps->pcm.log2_min_pcm_cb_size && |
| 1999 | log2_cb_size <= s->sps->pcm.log2_max_pcm_cb_size) { |
| 2000 | pcm_flag = ff_hevc_pcm_flag_decode(s); |
| 2001 | } |
| 2002 | if (pcm_flag) { |
| 2003 | intra_prediction_unit_default_value(s, x0, y0, log2_cb_size); |
| 2004 | ret = hls_pcm_sample(s, x0, y0, log2_cb_size); |
| 2005 | if (s->sps->pcm.loop_filter_disable_flag) |
| 2006 | set_deblocking_bypass(s, x0, y0, log2_cb_size); |
| 2007 | |
| 2008 | if (ret < 0) |
| 2009 | return ret; |
| 2010 | } else { |
| 2011 | intra_prediction_unit(s, x0, y0, log2_cb_size); |
| 2012 | } |
| 2013 | } else { |
| 2014 | intra_prediction_unit_default_value(s, x0, y0, log2_cb_size); |
| 2015 | switch (lc->cu.part_mode) { |
| 2016 | case PART_2Nx2N: |
| 2017 | hls_prediction_unit(s, x0, y0, cb_size, cb_size, log2_cb_size, 0, idx); |
| 2018 | break; |
| 2019 | case PART_2NxN: |
| 2020 | hls_prediction_unit(s, x0, y0, cb_size, cb_size / 2, log2_cb_size, 0, idx); |
| 2021 | hls_prediction_unit(s, x0, y0 + cb_size / 2, cb_size, cb_size / 2, log2_cb_size, 1, idx); |
| 2022 | break; |
| 2023 | case PART_Nx2N: |
| 2024 | hls_prediction_unit(s, x0, y0, cb_size / 2, cb_size, log2_cb_size, 0, idx - 1); |
| 2025 | hls_prediction_unit(s, x0 + cb_size / 2, y0, cb_size / 2, cb_size, log2_cb_size, 1, idx - 1); |
| 2026 | break; |
| 2027 | case PART_2NxnU: |
| 2028 | hls_prediction_unit(s, x0, y0, cb_size, cb_size / 4, log2_cb_size, 0, idx); |
| 2029 | hls_prediction_unit(s, x0, y0 + cb_size / 4, cb_size, cb_size * 3 / 4, log2_cb_size, 1, idx); |
| 2030 | break; |
| 2031 | case PART_2NxnD: |
| 2032 | hls_prediction_unit(s, x0, y0, cb_size, cb_size * 3 / 4, log2_cb_size, 0, idx); |
| 2033 | hls_prediction_unit(s, x0, y0 + cb_size * 3 / 4, cb_size, cb_size / 4, log2_cb_size, 1, idx); |
| 2034 | break; |
| 2035 | case PART_nLx2N: |
| 2036 | hls_prediction_unit(s, x0, y0, cb_size / 4, cb_size, log2_cb_size, 0, idx - 2); |
| 2037 | hls_prediction_unit(s, x0 + cb_size / 4, y0, cb_size * 3 / 4, cb_size, log2_cb_size, 1, idx - 2); |
| 2038 | break; |
| 2039 | case PART_nRx2N: |
| 2040 | hls_prediction_unit(s, x0, y0, cb_size * 3 / 4, cb_size, log2_cb_size, 0, idx - 2); |
| 2041 | hls_prediction_unit(s, x0 + cb_size * 3 / 4, y0, cb_size / 4, cb_size, log2_cb_size, 1, idx - 2); |
| 2042 | break; |
| 2043 | case PART_NxN: |
| 2044 | hls_prediction_unit(s, x0, y0, cb_size / 2, cb_size / 2, log2_cb_size, 0, idx - 1); |
| 2045 | hls_prediction_unit(s, x0 + cb_size / 2, y0, cb_size / 2, cb_size / 2, log2_cb_size, 1, idx - 1); |
| 2046 | hls_prediction_unit(s, x0, y0 + cb_size / 2, cb_size / 2, cb_size / 2, log2_cb_size, 2, idx - 1); |
| 2047 | hls_prediction_unit(s, x0 + cb_size / 2, y0 + cb_size / 2, cb_size / 2, cb_size / 2, log2_cb_size, 3, idx - 1); |
| 2048 | break; |
| 2049 | } |
| 2050 | } |
| 2051 | |
| 2052 | if (!pcm_flag) { |
| 2053 | int rqt_root_cbf = 1; |
| 2054 | |
| 2055 | if (lc->cu.pred_mode != MODE_INTRA && |
| 2056 | !(lc->cu.part_mode == PART_2Nx2N && lc->pu.merge_flag)) { |
| 2057 | rqt_root_cbf = ff_hevc_no_residual_syntax_flag_decode(s); |
| 2058 | } |
| 2059 | if (rqt_root_cbf) { |
| 2060 | const static int cbf[2] = { 0 }; |
| 2061 | lc->cu.max_trafo_depth = lc->cu.pred_mode == MODE_INTRA ? |
| 2062 | s->sps->max_transform_hierarchy_depth_intra + lc->cu.intra_split_flag : |
| 2063 | s->sps->max_transform_hierarchy_depth_inter; |
| 2064 | ret = hls_transform_tree(s, x0, y0, x0, y0, x0, y0, |
| 2065 | log2_cb_size, |
| 2066 | log2_cb_size, 0, 0, cbf, cbf); |
| 2067 | if (ret < 0) |
| 2068 | return ret; |
| 2069 | } else { |
| 2070 | if (!s->sh.disable_deblocking_filter_flag) |
| 2071 | ff_hevc_deblocking_boundary_strengths(s, x0, y0, log2_cb_size); |
| 2072 | } |
| 2073 | } |
| 2074 | } |
| 2075 | |
| 2076 | if (s->pps->cu_qp_delta_enabled_flag && lc->tu.is_cu_qp_delta_coded == 0) |
| 2077 | ff_hevc_set_qPy(s, x0, y0, log2_cb_size); |
| 2078 | |
| 2079 | x = y_cb * min_cb_width + x_cb; |
| 2080 | for (y = 0; y < length; y++) { |
| 2081 | memset(&s->qp_y_tab[x], lc->qp_y, length); |
| 2082 | x += min_cb_width; |
| 2083 | } |
| 2084 | |
| 2085 | if(((x0 + (1<<log2_cb_size)) & qp_block_mask) == 0 && |
| 2086 | ((y0 + (1<<log2_cb_size)) & qp_block_mask) == 0) { |
| 2087 | lc->qPy_pred = lc->qp_y; |
| 2088 | } |
| 2089 | |
| 2090 | set_ct_depth(s, x0, y0, log2_cb_size, lc->ct_depth); |
| 2091 | |
| 2092 | return 0; |
| 2093 | } |
| 2094 | |
| 2095 | static int hls_coding_quadtree(HEVCContext *s, int x0, int y0, |
| 2096 | int log2_cb_size, int cb_depth) |
| 2097 | { |
| 2098 | HEVCLocalContext *lc = s->HEVClc; |
| 2099 | const int cb_size = 1 << log2_cb_size; |
| 2100 | int ret; |
| 2101 | int qp_block_mask = (1<<(s->sps->log2_ctb_size - s->pps->diff_cu_qp_delta_depth)) - 1; |
| 2102 | int split_cu; |
| 2103 | |
| 2104 | lc->ct_depth = cb_depth; |
| 2105 | if (x0 + cb_size <= s->sps->width && |
| 2106 | y0 + cb_size <= s->sps->height && |
| 2107 | log2_cb_size > s->sps->log2_min_cb_size) { |
| 2108 | split_cu = ff_hevc_split_coding_unit_flag_decode(s, cb_depth, x0, y0); |
| 2109 | } else { |
| 2110 | split_cu = (log2_cb_size > s->sps->log2_min_cb_size); |
| 2111 | } |
| 2112 | if (s->pps->cu_qp_delta_enabled_flag && |
| 2113 | log2_cb_size >= s->sps->log2_ctb_size - s->pps->diff_cu_qp_delta_depth) { |
| 2114 | lc->tu.is_cu_qp_delta_coded = 0; |
| 2115 | lc->tu.cu_qp_delta = 0; |
| 2116 | } |
| 2117 | |
| 2118 | if (s->sh.cu_chroma_qp_offset_enabled_flag && |
| 2119 | log2_cb_size >= s->sps->log2_ctb_size - s->pps->diff_cu_chroma_qp_offset_depth) { |
| 2120 | lc->tu.is_cu_chroma_qp_offset_coded = 0; |
| 2121 | } |
| 2122 | |
| 2123 | if (split_cu) { |
| 2124 | const int cb_size_split = cb_size >> 1; |
| 2125 | const int x1 = x0 + cb_size_split; |
| 2126 | const int y1 = y0 + cb_size_split; |
| 2127 | |
| 2128 | int more_data = 0; |
| 2129 | |
| 2130 | more_data = hls_coding_quadtree(s, x0, y0, log2_cb_size - 1, cb_depth + 1); |
| 2131 | if (more_data < 0) |
| 2132 | return more_data; |
| 2133 | |
| 2134 | if (more_data && x1 < s->sps->width) { |
| 2135 | more_data = hls_coding_quadtree(s, x1, y0, log2_cb_size - 1, cb_depth + 1); |
| 2136 | if (more_data < 0) |
| 2137 | return more_data; |
| 2138 | } |
| 2139 | if (more_data && y1 < s->sps->height) { |
| 2140 | more_data = hls_coding_quadtree(s, x0, y1, log2_cb_size - 1, cb_depth + 1); |
| 2141 | if (more_data < 0) |
| 2142 | return more_data; |
| 2143 | } |
| 2144 | if (more_data && x1 < s->sps->width && |
| 2145 | y1 < s->sps->height) { |
| 2146 | more_data = hls_coding_quadtree(s, x1, y1, log2_cb_size - 1, cb_depth + 1); |
| 2147 | if (more_data < 0) |
| 2148 | return more_data; |
| 2149 | } |
| 2150 | |
| 2151 | if(((x0 + (1<<log2_cb_size)) & qp_block_mask) == 0 && |
| 2152 | ((y0 + (1<<log2_cb_size)) & qp_block_mask) == 0) |
| 2153 | lc->qPy_pred = lc->qp_y; |
| 2154 | |
| 2155 | if (more_data) |
| 2156 | return ((x1 + cb_size_split) < s->sps->width || |
| 2157 | (y1 + cb_size_split) < s->sps->height); |
| 2158 | else |
| 2159 | return 0; |
| 2160 | } else { |
| 2161 | ret = hls_coding_unit(s, x0, y0, log2_cb_size); |
| 2162 | if (ret < 0) |
| 2163 | return ret; |
| 2164 | if ((!((x0 + cb_size) % |
| 2165 | (1 << (s->sps->log2_ctb_size))) || |
| 2166 | (x0 + cb_size >= s->sps->width)) && |
| 2167 | (!((y0 + cb_size) % |
| 2168 | (1 << (s->sps->log2_ctb_size))) || |
| 2169 | (y0 + cb_size >= s->sps->height))) { |
| 2170 | int end_of_slice_flag = ff_hevc_end_of_slice_flag_decode(s); |
| 2171 | return !end_of_slice_flag; |
| 2172 | } else { |
| 2173 | return 1; |
| 2174 | } |
| 2175 | } |
| 2176 | |
| 2177 | return 0; |
| 2178 | } |
| 2179 | |
| 2180 | static void hls_decode_neighbour(HEVCContext *s, int x_ctb, int y_ctb, |
| 2181 | int ctb_addr_ts) |
| 2182 | { |
| 2183 | HEVCLocalContext *lc = s->HEVClc; |
| 2184 | int ctb_size = 1 << s->sps->log2_ctb_size; |
| 2185 | int ctb_addr_rs = s->pps->ctb_addr_ts_to_rs[ctb_addr_ts]; |
| 2186 | int ctb_addr_in_slice = ctb_addr_rs - s->sh.slice_addr; |
| 2187 | |
| 2188 | s->tab_slice_address[ctb_addr_rs] = s->sh.slice_addr; |
| 2189 | |
| 2190 | if (s->pps->entropy_coding_sync_enabled_flag) { |
| 2191 | if (x_ctb == 0 && (y_ctb & (ctb_size - 1)) == 0) |
| 2192 | lc->first_qp_group = 1; |
| 2193 | lc->end_of_tiles_x = s->sps->width; |
| 2194 | } else if (s->pps->tiles_enabled_flag) { |
| 2195 | if (ctb_addr_ts && s->pps->tile_id[ctb_addr_ts] != s->pps->tile_id[ctb_addr_ts - 1]) { |
| 2196 | int idxX = s->pps->col_idxX[x_ctb >> s->sps->log2_ctb_size]; |
| 2197 | lc->end_of_tiles_x = x_ctb + (s->pps->column_width[idxX] << s->sps->log2_ctb_size); |
| 2198 | lc->first_qp_group = 1; |
| 2199 | } |
| 2200 | } else { |
| 2201 | lc->end_of_tiles_x = s->sps->width; |
| 2202 | } |
| 2203 | |
| 2204 | lc->end_of_tiles_y = FFMIN(y_ctb + ctb_size, s->sps->height); |
| 2205 | |
| 2206 | lc->boundary_flags = 0; |
| 2207 | if (s->pps->tiles_enabled_flag) { |
| 2208 | if (x_ctb > 0 && s->pps->tile_id[ctb_addr_ts] != s->pps->tile_id[s->pps->ctb_addr_rs_to_ts[ctb_addr_rs - 1]]) |
| 2209 | lc->boundary_flags |= BOUNDARY_LEFT_TILE; |
| 2210 | if (x_ctb > 0 && s->tab_slice_address[ctb_addr_rs] != s->tab_slice_address[ctb_addr_rs - 1]) |
| 2211 | lc->boundary_flags |= BOUNDARY_LEFT_SLICE; |
| 2212 | if (y_ctb > 0 && s->pps->tile_id[ctb_addr_ts] != s->pps->tile_id[s->pps->ctb_addr_rs_to_ts[ctb_addr_rs - s->sps->ctb_width]]) |
| 2213 | lc->boundary_flags |= BOUNDARY_UPPER_TILE; |
| 2214 | if (y_ctb > 0 && s->tab_slice_address[ctb_addr_rs] != s->tab_slice_address[ctb_addr_rs - s->sps->ctb_width]) |
| 2215 | lc->boundary_flags |= BOUNDARY_UPPER_SLICE; |
| 2216 | } else { |
| 2217 | if (!ctb_addr_in_slice > 0) |
| 2218 | lc->boundary_flags |= BOUNDARY_LEFT_SLICE; |
| 2219 | if (ctb_addr_in_slice < s->sps->ctb_width) |
| 2220 | lc->boundary_flags |= BOUNDARY_UPPER_SLICE; |
| 2221 | } |
| 2222 | |
| 2223 | lc->ctb_left_flag = ((x_ctb > 0) && (ctb_addr_in_slice > 0) && !(lc->boundary_flags & BOUNDARY_LEFT_TILE)); |
| 2224 | lc->ctb_up_flag = ((y_ctb > 0) && (ctb_addr_in_slice >= s->sps->ctb_width) && !(lc->boundary_flags & BOUNDARY_UPPER_TILE)); |
| 2225 | lc->ctb_up_right_flag = ((y_ctb > 0) && (ctb_addr_in_slice+1 >= s->sps->ctb_width) && (s->pps->tile_id[ctb_addr_ts] == s->pps->tile_id[s->pps->ctb_addr_rs_to_ts[ctb_addr_rs+1 - s->sps->ctb_width]])); |
| 2226 | lc->ctb_up_left_flag = ((x_ctb > 0) && (y_ctb > 0) && (ctb_addr_in_slice-1 >= s->sps->ctb_width) && (s->pps->tile_id[ctb_addr_ts] == s->pps->tile_id[s->pps->ctb_addr_rs_to_ts[ctb_addr_rs-1 - s->sps->ctb_width]])); |
| 2227 | } |
| 2228 | |
| 2229 | static int hls_decode_entry(AVCodecContext *avctxt, void *isFilterThread) |
| 2230 | { |
| 2231 | HEVCContext *s = avctxt->priv_data; |
| 2232 | int ctb_size = 1 << s->sps->log2_ctb_size; |
| 2233 | int more_data = 1; |
| 2234 | int x_ctb = 0; |
| 2235 | int y_ctb = 0; |
| 2236 | int ctb_addr_ts = s->pps->ctb_addr_rs_to_ts[s->sh.slice_ctb_addr_rs]; |
| 2237 | |
| 2238 | if (!ctb_addr_ts && s->sh.dependent_slice_segment_flag) { |
| 2239 | av_log(s->avctx, AV_LOG_ERROR, "Impossible initial tile.\n"); |
| 2240 | return AVERROR_INVALIDDATA; |
| 2241 | } |
| 2242 | |
| 2243 | if (s->sh.dependent_slice_segment_flag) { |
| 2244 | int prev_rs = s->pps->ctb_addr_ts_to_rs[ctb_addr_ts - 1]; |
| 2245 | if (s->tab_slice_address[prev_rs] != s->sh.slice_addr) { |
| 2246 | av_log(s->avctx, AV_LOG_ERROR, "Previous slice segment missing\n"); |
| 2247 | return AVERROR_INVALIDDATA; |
| 2248 | } |
| 2249 | } |
| 2250 | |
| 2251 | while (more_data && ctb_addr_ts < s->sps->ctb_size) { |
| 2252 | int ctb_addr_rs = s->pps->ctb_addr_ts_to_rs[ctb_addr_ts]; |
| 2253 | |
| 2254 | x_ctb = (ctb_addr_rs % ((s->sps->width + ctb_size - 1) >> s->sps->log2_ctb_size)) << s->sps->log2_ctb_size; |
| 2255 | y_ctb = (ctb_addr_rs / ((s->sps->width + ctb_size - 1) >> s->sps->log2_ctb_size)) << s->sps->log2_ctb_size; |
| 2256 | hls_decode_neighbour(s, x_ctb, y_ctb, ctb_addr_ts); |
| 2257 | |
| 2258 | ff_hevc_cabac_init(s, ctb_addr_ts); |
| 2259 | |
| 2260 | hls_sao_param(s, x_ctb >> s->sps->log2_ctb_size, y_ctb >> s->sps->log2_ctb_size); |
| 2261 | |
| 2262 | s->deblock[ctb_addr_rs].beta_offset = s->sh.beta_offset; |
| 2263 | s->deblock[ctb_addr_rs].tc_offset = s->sh.tc_offset; |
| 2264 | s->filter_slice_edges[ctb_addr_rs] = s->sh.slice_loop_filter_across_slices_enabled_flag; |
| 2265 | |
| 2266 | more_data = hls_coding_quadtree(s, x_ctb, y_ctb, s->sps->log2_ctb_size, 0); |
| 2267 | if (more_data < 0) { |
| 2268 | s->tab_slice_address[ctb_addr_rs] = -1; |
| 2269 | return more_data; |
| 2270 | } |
| 2271 | |
| 2272 | |
| 2273 | ctb_addr_ts++; |
| 2274 | ff_hevc_save_states(s, ctb_addr_ts); |
| 2275 | ff_hevc_hls_filters(s, x_ctb, y_ctb, ctb_size); |
| 2276 | } |
| 2277 | |
| 2278 | if (x_ctb + ctb_size >= s->sps->width && |
| 2279 | y_ctb + ctb_size >= s->sps->height) |
| 2280 | ff_hevc_hls_filter(s, x_ctb, y_ctb, ctb_size); |
| 2281 | |
| 2282 | return ctb_addr_ts; |
| 2283 | } |
| 2284 | |
| 2285 | static int hls_slice_data(HEVCContext *s) |
| 2286 | { |
| 2287 | int arg[2]; |
| 2288 | int ret[2]; |
| 2289 | |
| 2290 | arg[0] = 0; |
| 2291 | arg[1] = 1; |
| 2292 | |
| 2293 | s->avctx->execute(s->avctx, hls_decode_entry, arg, ret , 1, sizeof(int)); |
| 2294 | return ret[0]; |
| 2295 | } |
| 2296 | static int hls_decode_entry_wpp(AVCodecContext *avctxt, void *input_ctb_row, int job, int self_id) |
| 2297 | { |
| 2298 | HEVCContext *s1 = avctxt->priv_data, *s; |
| 2299 | HEVCLocalContext *lc; |
| 2300 | int ctb_size = 1<< s1->sps->log2_ctb_size; |
| 2301 | int more_data = 1; |
| 2302 | int *ctb_row_p = input_ctb_row; |
| 2303 | int ctb_row = ctb_row_p[job]; |
| 2304 | int ctb_addr_rs = s1->sh.slice_ctb_addr_rs + ctb_row * ((s1->sps->width + ctb_size - 1) >> s1->sps->log2_ctb_size); |
| 2305 | int ctb_addr_ts = s1->pps->ctb_addr_rs_to_ts[ctb_addr_rs]; |
| 2306 | int thread = ctb_row % s1->threads_number; |
| 2307 | int ret; |
| 2308 | |
| 2309 | s = s1->sList[self_id]; |
| 2310 | lc = s->HEVClc; |
| 2311 | |
| 2312 | if(ctb_row) { |
| 2313 | ret = init_get_bits8(&lc->gb, s->data + s->sh.offset[ctb_row - 1], s->sh.size[ctb_row - 1]); |
| 2314 | |
| 2315 | if (ret < 0) |
| 2316 | return ret; |
| 2317 | ff_init_cabac_decoder(&lc->cc, s->data + s->sh.offset[(ctb_row)-1], s->sh.size[ctb_row - 1]); |
| 2318 | } |
| 2319 | |
| 2320 | while(more_data && ctb_addr_ts < s->sps->ctb_size) { |
| 2321 | int x_ctb = (ctb_addr_rs % s->sps->ctb_width) << s->sps->log2_ctb_size; |
| 2322 | int y_ctb = (ctb_addr_rs / s->sps->ctb_width) << s->sps->log2_ctb_size; |
| 2323 | |
| 2324 | hls_decode_neighbour(s, x_ctb, y_ctb, ctb_addr_ts); |
| 2325 | |
| 2326 | ff_thread_await_progress2(s->avctx, ctb_row, thread, SHIFT_CTB_WPP); |
| 2327 | |
| 2328 | if (avpriv_atomic_int_get(&s1->wpp_err)){ |
| 2329 | ff_thread_report_progress2(s->avctx, ctb_row , thread, SHIFT_CTB_WPP); |
| 2330 | return 0; |
| 2331 | } |
| 2332 | |
| 2333 | ff_hevc_cabac_init(s, ctb_addr_ts); |
| 2334 | hls_sao_param(s, x_ctb >> s->sps->log2_ctb_size, y_ctb >> s->sps->log2_ctb_size); |
| 2335 | more_data = hls_coding_quadtree(s, x_ctb, y_ctb, s->sps->log2_ctb_size, 0); |
| 2336 | |
| 2337 | if (more_data < 0) { |
| 2338 | s->tab_slice_address[ctb_addr_rs] = -1; |
| 2339 | return more_data; |
| 2340 | } |
| 2341 | |
| 2342 | ctb_addr_ts++; |
| 2343 | |
| 2344 | ff_hevc_save_states(s, ctb_addr_ts); |
| 2345 | ff_thread_report_progress2(s->avctx, ctb_row, thread, 1); |
| 2346 | ff_hevc_hls_filters(s, x_ctb, y_ctb, ctb_size); |
| 2347 | |
| 2348 | if (!more_data && (x_ctb+ctb_size) < s->sps->width && ctb_row != s->sh.num_entry_point_offsets) { |
| 2349 | avpriv_atomic_int_set(&s1->wpp_err, 1); |
| 2350 | ff_thread_report_progress2(s->avctx, ctb_row ,thread, SHIFT_CTB_WPP); |
| 2351 | return 0; |
| 2352 | } |
| 2353 | |
| 2354 | if ((x_ctb+ctb_size) >= s->sps->width && (y_ctb+ctb_size) >= s->sps->height ) { |
| 2355 | ff_hevc_hls_filter(s, x_ctb, y_ctb, ctb_size); |
| 2356 | ff_thread_report_progress2(s->avctx, ctb_row , thread, SHIFT_CTB_WPP); |
| 2357 | return ctb_addr_ts; |
| 2358 | } |
| 2359 | ctb_addr_rs = s->pps->ctb_addr_ts_to_rs[ctb_addr_ts]; |
| 2360 | x_ctb+=ctb_size; |
| 2361 | |
| 2362 | if(x_ctb >= s->sps->width) { |
| 2363 | break; |
| 2364 | } |
| 2365 | } |
| 2366 | ff_thread_report_progress2(s->avctx, ctb_row ,thread, SHIFT_CTB_WPP); |
| 2367 | |
| 2368 | return 0; |
| 2369 | } |
| 2370 | |
| 2371 | static int hls_slice_data_wpp(HEVCContext *s, const uint8_t *nal, int length) |
| 2372 | { |
| 2373 | HEVCLocalContext *lc = s->HEVClc; |
| 2374 | int *ret = av_malloc_array(s->sh.num_entry_point_offsets + 1, sizeof(int)); |
| 2375 | int *arg = av_malloc_array(s->sh.num_entry_point_offsets + 1, sizeof(int)); |
| 2376 | int offset; |
| 2377 | int startheader, cmpt = 0; |
| 2378 | int i, j, res = 0; |
| 2379 | |
| 2380 | |
| 2381 | if (!s->sList[1]) { |
| 2382 | ff_alloc_entries(s->avctx, s->sh.num_entry_point_offsets + 1); |
| 2383 | |
| 2384 | |
| 2385 | for (i = 1; i < s->threads_number; i++) { |
| 2386 | s->sList[i] = av_malloc(sizeof(HEVCContext)); |
| 2387 | memcpy(s->sList[i], s, sizeof(HEVCContext)); |
| 2388 | s->HEVClcList[i] = av_mallocz(sizeof(HEVCLocalContext)); |
| 2389 | s->sList[i]->HEVClc = s->HEVClcList[i]; |
| 2390 | } |
| 2391 | } |
| 2392 | |
| 2393 | offset = (lc->gb.index >> 3); |
| 2394 | |
| 2395 | for (j = 0, cmpt = 0, startheader = offset + s->sh.entry_point_offset[0]; j < s->skipped_bytes; j++) { |
| 2396 | if (s->skipped_bytes_pos[j] >= offset && s->skipped_bytes_pos[j] < startheader) { |
| 2397 | startheader--; |
| 2398 | cmpt++; |
| 2399 | } |
| 2400 | } |
| 2401 | |
| 2402 | for (i = 1; i < s->sh.num_entry_point_offsets; i++) { |
| 2403 | offset += (s->sh.entry_point_offset[i - 1] - cmpt); |
| 2404 | for (j = 0, cmpt = 0, startheader = offset |
| 2405 | + s->sh.entry_point_offset[i]; j < s->skipped_bytes; j++) { |
| 2406 | if (s->skipped_bytes_pos[j] >= offset && s->skipped_bytes_pos[j] < startheader) { |
| 2407 | startheader--; |
| 2408 | cmpt++; |
| 2409 | } |
| 2410 | } |
| 2411 | s->sh.size[i - 1] = s->sh.entry_point_offset[i] - cmpt; |
| 2412 | s->sh.offset[i - 1] = offset; |
| 2413 | |
| 2414 | } |
| 2415 | if (s->sh.num_entry_point_offsets != 0) { |
| 2416 | offset += s->sh.entry_point_offset[s->sh.num_entry_point_offsets - 1] - cmpt; |
| 2417 | s->sh.size[s->sh.num_entry_point_offsets - 1] = length - offset; |
| 2418 | s->sh.offset[s->sh.num_entry_point_offsets - 1] = offset; |
| 2419 | |
| 2420 | } |
| 2421 | s->data = nal; |
| 2422 | |
| 2423 | for (i = 1; i < s->threads_number; i++) { |
| 2424 | s->sList[i]->HEVClc->first_qp_group = 1; |
| 2425 | s->sList[i]->HEVClc->qp_y = s->sList[0]->HEVClc->qp_y; |
| 2426 | memcpy(s->sList[i], s, sizeof(HEVCContext)); |
| 2427 | s->sList[i]->HEVClc = s->HEVClcList[i]; |
| 2428 | } |
| 2429 | |
| 2430 | avpriv_atomic_int_set(&s->wpp_err, 0); |
| 2431 | ff_reset_entries(s->avctx); |
| 2432 | |
| 2433 | for (i = 0; i <= s->sh.num_entry_point_offsets; i++) { |
| 2434 | arg[i] = i; |
| 2435 | ret[i] = 0; |
| 2436 | } |
| 2437 | |
| 2438 | if (s->pps->entropy_coding_sync_enabled_flag) |
| 2439 | s->avctx->execute2(s->avctx, (void *) hls_decode_entry_wpp, arg, ret, s->sh.num_entry_point_offsets + 1); |
| 2440 | |
| 2441 | for (i = 0; i <= s->sh.num_entry_point_offsets; i++) |
| 2442 | res += ret[i]; |
| 2443 | av_free(ret); |
| 2444 | av_free(arg); |
| 2445 | return res; |
| 2446 | } |
| 2447 | |
| 2448 | /** |
| 2449 | * @return AVERROR_INVALIDDATA if the packet is not a valid NAL unit, |
| 2450 | * 0 if the unit should be skipped, 1 otherwise |
| 2451 | */ |
| 2452 | static int hls_nal_unit(HEVCContext *s) |
| 2453 | { |
| 2454 | GetBitContext *gb = &s->HEVClc->gb; |
| 2455 | int nuh_layer_id; |
| 2456 | |
| 2457 | if (get_bits1(gb) != 0) |
| 2458 | return AVERROR_INVALIDDATA; |
| 2459 | |
| 2460 | s->nal_unit_type = get_bits(gb, 6); |
| 2461 | |
| 2462 | nuh_layer_id = get_bits(gb, 6); |
| 2463 | s->temporal_id = get_bits(gb, 3) - 1; |
| 2464 | if (s->temporal_id < 0) |
| 2465 | return AVERROR_INVALIDDATA; |
| 2466 | |
| 2467 | av_log(s->avctx, AV_LOG_DEBUG, |
| 2468 | "nal_unit_type: %d, nuh_layer_id: %d, temporal_id: %d\n", |
| 2469 | s->nal_unit_type, nuh_layer_id, s->temporal_id); |
| 2470 | |
| 2471 | return nuh_layer_id == 0; |
| 2472 | } |
| 2473 | |
| 2474 | static int set_side_data(HEVCContext *s) |
| 2475 | { |
| 2476 | AVFrame *out = s->ref->frame; |
| 2477 | |
| 2478 | if (s->sei_frame_packing_present && |
| 2479 | s->frame_packing_arrangement_type >= 3 && |
| 2480 | s->frame_packing_arrangement_type <= 5 && |
| 2481 | s->content_interpretation_type > 0 && |
| 2482 | s->content_interpretation_type < 3) { |
| 2483 | AVStereo3D *stereo = av_stereo3d_create_side_data(out); |
| 2484 | if (!stereo) |
| 2485 | return AVERROR(ENOMEM); |
| 2486 | |
| 2487 | switch (s->frame_packing_arrangement_type) { |
| 2488 | case 3: |
| 2489 | if (s->quincunx_subsampling) |
| 2490 | stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX; |
| 2491 | else |
| 2492 | stereo->type = AV_STEREO3D_SIDEBYSIDE; |
| 2493 | break; |
| 2494 | case 4: |
| 2495 | stereo->type = AV_STEREO3D_TOPBOTTOM; |
| 2496 | break; |
| 2497 | case 5: |
| 2498 | stereo->type = AV_STEREO3D_FRAMESEQUENCE; |
| 2499 | break; |
| 2500 | } |
| 2501 | |
| 2502 | if (s->content_interpretation_type == 2) |
| 2503 | stereo->flags = AV_STEREO3D_FLAG_INVERT; |
| 2504 | } |
| 2505 | |
| 2506 | if (s->sei_display_orientation_present && |
| 2507 | (s->sei_anticlockwise_rotation || s->sei_hflip || s->sei_vflip)) { |
| 2508 | double angle = s->sei_anticlockwise_rotation * 360 / (double) (1 << 16); |
| 2509 | AVFrameSideData *rotation = av_frame_new_side_data(out, |
| 2510 | AV_FRAME_DATA_DISPLAYMATRIX, |
| 2511 | sizeof(int32_t) * 9); |
| 2512 | if (!rotation) |
| 2513 | return AVERROR(ENOMEM); |
| 2514 | |
| 2515 | av_display_rotation_set((int32_t *)rotation->data, angle); |
| 2516 | av_display_matrix_flip((int32_t *)rotation->data, |
| 2517 | s->sei_hflip, s->sei_vflip); |
| 2518 | } |
| 2519 | |
| 2520 | return 0; |
| 2521 | } |
| 2522 | |
| 2523 | static int hevc_frame_start(HEVCContext *s) |
| 2524 | { |
| 2525 | HEVCLocalContext *lc = s->HEVClc; |
| 2526 | int pic_size_in_ctb = ((s->sps->width >> s->sps->log2_min_cb_size) + 1) * |
| 2527 | ((s->sps->height >> s->sps->log2_min_cb_size) + 1); |
| 2528 | int ret; |
| 2529 | |
| 2530 | memset(s->horizontal_bs, 0, s->bs_width * s->bs_height); |
| 2531 | memset(s->vertical_bs, 0, s->bs_width * s->bs_height); |
| 2532 | memset(s->cbf_luma, 0, s->sps->min_tb_width * s->sps->min_tb_height); |
| 2533 | memset(s->is_pcm, 0, (s->sps->min_pu_width + 1) * (s->sps->min_pu_height + 1)); |
| 2534 | memset(s->tab_slice_address, -1, pic_size_in_ctb * sizeof(*s->tab_slice_address)); |
| 2535 | |
| 2536 | s->is_decoded = 0; |
| 2537 | s->first_nal_type = s->nal_unit_type; |
| 2538 | |
| 2539 | if (s->pps->tiles_enabled_flag) |
| 2540 | lc->end_of_tiles_x = s->pps->column_width[0] << s->sps->log2_ctb_size; |
| 2541 | |
| 2542 | ret = ff_hevc_set_new_ref(s, &s->frame, s->poc); |
| 2543 | if (ret < 0) |
| 2544 | goto fail; |
| 2545 | |
| 2546 | ret = ff_hevc_frame_rps(s); |
| 2547 | if (ret < 0) { |
| 2548 | av_log(s->avctx, AV_LOG_ERROR, "Error constructing the frame RPS.\n"); |
| 2549 | goto fail; |
| 2550 | } |
| 2551 | |
| 2552 | s->ref->frame->key_frame = IS_IRAP(s); |
| 2553 | |
| 2554 | ret = set_side_data(s); |
| 2555 | if (ret < 0) |
| 2556 | goto fail; |
| 2557 | |
| 2558 | s->frame->pict_type = 3 - s->sh.slice_type; |
| 2559 | |
| 2560 | if (!IS_IRAP(s)) |
| 2561 | ff_hevc_bump_frame(s); |
| 2562 | |
| 2563 | av_frame_unref(s->output_frame); |
| 2564 | ret = ff_hevc_output_frame(s, s->output_frame, 0); |
| 2565 | if (ret < 0) |
| 2566 | goto fail; |
| 2567 | |
| 2568 | ff_thread_finish_setup(s->avctx); |
| 2569 | |
| 2570 | return 0; |
| 2571 | |
| 2572 | fail: |
| 2573 | if (s->ref && s->threads_type == FF_THREAD_FRAME) |
| 2574 | ff_thread_report_progress(&s->ref->tf, INT_MAX, 0); |
| 2575 | s->ref = NULL; |
| 2576 | return ret; |
| 2577 | } |
| 2578 | |
| 2579 | static int decode_nal_unit(HEVCContext *s, const uint8_t *nal, int length) |
| 2580 | { |
| 2581 | HEVCLocalContext *lc = s->HEVClc; |
| 2582 | GetBitContext *gb = &lc->gb; |
| 2583 | int ctb_addr_ts, ret; |
| 2584 | |
| 2585 | ret = init_get_bits8(gb, nal, length); |
| 2586 | if (ret < 0) |
| 2587 | return ret; |
| 2588 | |
| 2589 | ret = hls_nal_unit(s); |
| 2590 | if (ret < 0) { |
| 2591 | av_log(s->avctx, AV_LOG_ERROR, "Invalid NAL unit %d, skipping.\n", |
| 2592 | s->nal_unit_type); |
| 2593 | goto fail; |
| 2594 | } else if (!ret) |
| 2595 | return 0; |
| 2596 | |
| 2597 | switch (s->nal_unit_type) { |
| 2598 | case NAL_VPS: |
| 2599 | ret = ff_hevc_decode_nal_vps(s); |
| 2600 | if (ret < 0) |
| 2601 | goto fail; |
| 2602 | break; |
| 2603 | case NAL_SPS: |
| 2604 | ret = ff_hevc_decode_nal_sps(s); |
| 2605 | if (ret < 0) |
| 2606 | goto fail; |
| 2607 | break; |
| 2608 | case NAL_PPS: |
| 2609 | ret = ff_hevc_decode_nal_pps(s); |
| 2610 | if (ret < 0) |
| 2611 | goto fail; |
| 2612 | break; |
| 2613 | case NAL_SEI_PREFIX: |
| 2614 | case NAL_SEI_SUFFIX: |
| 2615 | ret = ff_hevc_decode_nal_sei(s); |
| 2616 | if (ret < 0) |
| 2617 | goto fail; |
| 2618 | break; |
| 2619 | case NAL_TRAIL_R: |
| 2620 | case NAL_TRAIL_N: |
| 2621 | case NAL_TSA_N: |
| 2622 | case NAL_TSA_R: |
| 2623 | case NAL_STSA_N: |
| 2624 | case NAL_STSA_R: |
| 2625 | case NAL_BLA_W_LP: |
| 2626 | case NAL_BLA_W_RADL: |
| 2627 | case NAL_BLA_N_LP: |
| 2628 | case NAL_IDR_W_RADL: |
| 2629 | case NAL_IDR_N_LP: |
| 2630 | case NAL_CRA_NUT: |
| 2631 | case NAL_RADL_N: |
| 2632 | case NAL_RADL_R: |
| 2633 | case NAL_RASL_N: |
| 2634 | case NAL_RASL_R: |
| 2635 | ret = hls_slice_header(s); |
| 2636 | if (ret < 0) |
| 2637 | return ret; |
| 2638 | |
| 2639 | if (s->max_ra == INT_MAX) { |
| 2640 | if (s->nal_unit_type == NAL_CRA_NUT || IS_BLA(s)) { |
| 2641 | s->max_ra = s->poc; |
| 2642 | } else { |
| 2643 | if (IS_IDR(s)) |
| 2644 | s->max_ra = INT_MIN; |
| 2645 | } |
| 2646 | } |
| 2647 | |
| 2648 | if ((s->nal_unit_type == NAL_RASL_R || s->nal_unit_type == NAL_RASL_N) && |
| 2649 | s->poc <= s->max_ra) { |
| 2650 | s->is_decoded = 0; |
| 2651 | break; |
| 2652 | } else { |
| 2653 | if (s->nal_unit_type == NAL_RASL_R && s->poc > s->max_ra) |
| 2654 | s->max_ra = INT_MIN; |
| 2655 | } |
| 2656 | |
| 2657 | if (s->sh.first_slice_in_pic_flag) { |
| 2658 | ret = hevc_frame_start(s); |
| 2659 | if (ret < 0) |
| 2660 | return ret; |
| 2661 | } else if (!s->ref) { |
| 2662 | av_log(s->avctx, AV_LOG_ERROR, "First slice in a frame missing.\n"); |
| 2663 | goto fail; |
| 2664 | } |
| 2665 | |
| 2666 | if (s->nal_unit_type != s->first_nal_type) { |
| 2667 | av_log(s->avctx, AV_LOG_ERROR, |
| 2668 | "Non-matching NAL types of the VCL NALUs: %d %d\n", |
| 2669 | s->first_nal_type, s->nal_unit_type); |
| 2670 | return AVERROR_INVALIDDATA; |
| 2671 | } |
| 2672 | |
| 2673 | if (!s->sh.dependent_slice_segment_flag && |
| 2674 | s->sh.slice_type != I_SLICE) { |
| 2675 | ret = ff_hevc_slice_rpl(s); |
| 2676 | if (ret < 0) { |
| 2677 | av_log(s->avctx, AV_LOG_WARNING, |
| 2678 | "Error constructing the reference lists for the current slice.\n"); |
| 2679 | goto fail; |
| 2680 | } |
| 2681 | } |
| 2682 | |
| 2683 | if (s->threads_number > 1 && s->sh.num_entry_point_offsets > 0) |
| 2684 | ctb_addr_ts = hls_slice_data_wpp(s, nal, length); |
| 2685 | else |
| 2686 | ctb_addr_ts = hls_slice_data(s); |
| 2687 | if (ctb_addr_ts >= (s->sps->ctb_width * s->sps->ctb_height)) { |
| 2688 | s->is_decoded = 1; |
| 2689 | } |
| 2690 | |
| 2691 | if (ctb_addr_ts < 0) { |
| 2692 | ret = ctb_addr_ts; |
| 2693 | goto fail; |
| 2694 | } |
| 2695 | break; |
| 2696 | case NAL_EOS_NUT: |
| 2697 | case NAL_EOB_NUT: |
| 2698 | s->seq_decode = (s->seq_decode + 1) & 0xff; |
| 2699 | s->max_ra = INT_MAX; |
| 2700 | break; |
| 2701 | case NAL_AUD: |
| 2702 | case NAL_FD_NUT: |
| 2703 | break; |
| 2704 | default: |
| 2705 | av_log(s->avctx, AV_LOG_INFO, |
| 2706 | "Skipping NAL unit %d\n", s->nal_unit_type); |
| 2707 | } |
| 2708 | |
| 2709 | return 0; |
| 2710 | fail: |
| 2711 | if (s->avctx->err_recognition & AV_EF_EXPLODE) |
| 2712 | return ret; |
| 2713 | return 0; |
| 2714 | } |
| 2715 | |
| 2716 | /* FIXME: This is adapted from ff_h264_decode_nal, avoiding duplication |
| 2717 | * between these functions would be nice. */ |
| 2718 | int ff_hevc_extract_rbsp(HEVCContext *s, const uint8_t *src, int length, |
| 2719 | HEVCNAL *nal) |
| 2720 | { |
| 2721 | int i, si, di; |
| 2722 | uint8_t *dst; |
| 2723 | |
| 2724 | s->skipped_bytes = 0; |
| 2725 | #define STARTCODE_TEST \ |
| 2726 | if (i + 2 < length && src[i + 1] == 0 && src[i + 2] <= 3) { \ |
| 2727 | if (src[i + 2] != 3) { \ |
| 2728 | /* startcode, so we must be past the end */ \ |
| 2729 | length = i; \ |
| 2730 | } \ |
| 2731 | break; \ |
| 2732 | } |
| 2733 | #if HAVE_FAST_UNALIGNED |
| 2734 | #define FIND_FIRST_ZERO \ |
| 2735 | if (i > 0 && !src[i]) \ |
| 2736 | i--; \ |
| 2737 | while (src[i]) \ |
| 2738 | i++ |
| 2739 | #if HAVE_FAST_64BIT |
| 2740 | for (i = 0; i + 1 < length; i += 9) { |
| 2741 | if (!((~AV_RN64A(src + i) & |
| 2742 | (AV_RN64A(src + i) - 0x0100010001000101ULL)) & |
| 2743 | 0x8000800080008080ULL)) |
| 2744 | continue; |
| 2745 | FIND_FIRST_ZERO; |
| 2746 | STARTCODE_TEST; |
| 2747 | i -= 7; |
| 2748 | } |
| 2749 | #else |
| 2750 | for (i = 0; i + 1 < length; i += 5) { |
| 2751 | if (!((~AV_RN32A(src + i) & |
| 2752 | (AV_RN32A(src + i) - 0x01000101U)) & |
| 2753 | 0x80008080U)) |
| 2754 | continue; |
| 2755 | FIND_FIRST_ZERO; |
| 2756 | STARTCODE_TEST; |
| 2757 | i -= 3; |
| 2758 | } |
| 2759 | #endif /* HAVE_FAST_64BIT */ |
| 2760 | #else |
| 2761 | for (i = 0; i + 1 < length; i += 2) { |
| 2762 | if (src[i]) |
| 2763 | continue; |
| 2764 | if (i > 0 && src[i - 1] == 0) |
| 2765 | i--; |
| 2766 | STARTCODE_TEST; |
| 2767 | } |
| 2768 | #endif /* HAVE_FAST_UNALIGNED */ |
| 2769 | |
| 2770 | if (i >= length - 1) { // no escaped 0 |
| 2771 | nal->data = src; |
| 2772 | nal->size = length; |
| 2773 | return length; |
| 2774 | } |
| 2775 | |
| 2776 | av_fast_malloc(&nal->rbsp_buffer, &nal->rbsp_buffer_size, |
| 2777 | length + FF_INPUT_BUFFER_PADDING_SIZE); |
| 2778 | if (!nal->rbsp_buffer) |
| 2779 | return AVERROR(ENOMEM); |
| 2780 | |
| 2781 | dst = nal->rbsp_buffer; |
| 2782 | |
| 2783 | memcpy(dst, src, i); |
| 2784 | si = di = i; |
| 2785 | while (si + 2 < length) { |
| 2786 | // remove escapes (very rare 1:2^22) |
| 2787 | if (src[si + 2] > 3) { |
| 2788 | dst[di++] = src[si++]; |
| 2789 | dst[di++] = src[si++]; |
| 2790 | } else if (src[si] == 0 && src[si + 1] == 0) { |
| 2791 | if (src[si + 2] == 3) { // escape |
| 2792 | dst[di++] = 0; |
| 2793 | dst[di++] = 0; |
| 2794 | si += 3; |
| 2795 | |
| 2796 | s->skipped_bytes++; |
| 2797 | if (s->skipped_bytes_pos_size < s->skipped_bytes) { |
| 2798 | s->skipped_bytes_pos_size *= 2; |
| 2799 | av_reallocp_array(&s->skipped_bytes_pos, |
| 2800 | s->skipped_bytes_pos_size, |
| 2801 | sizeof(*s->skipped_bytes_pos)); |
| 2802 | if (!s->skipped_bytes_pos) |
| 2803 | return AVERROR(ENOMEM); |
| 2804 | } |
| 2805 | if (s->skipped_bytes_pos) |
| 2806 | s->skipped_bytes_pos[s->skipped_bytes-1] = di - 1; |
| 2807 | continue; |
| 2808 | } else // next start code |
| 2809 | goto nsc; |
| 2810 | } |
| 2811 | |
| 2812 | dst[di++] = src[si++]; |
| 2813 | } |
| 2814 | while (si < length) |
| 2815 | dst[di++] = src[si++]; |
| 2816 | |
| 2817 | nsc: |
| 2818 | memset(dst + di, 0, FF_INPUT_BUFFER_PADDING_SIZE); |
| 2819 | |
| 2820 | nal->data = dst; |
| 2821 | nal->size = di; |
| 2822 | return si; |
| 2823 | } |
| 2824 | |
| 2825 | static int decode_nal_units(HEVCContext *s, const uint8_t *buf, int length) |
| 2826 | { |
| 2827 | int i, consumed, ret = 0; |
| 2828 | |
| 2829 | s->ref = NULL; |
| 2830 | s->last_eos = s->eos; |
| 2831 | s->eos = 0; |
| 2832 | |
| 2833 | /* split the input packet into NAL units, so we know the upper bound on the |
| 2834 | * number of slices in the frame */ |
| 2835 | s->nb_nals = 0; |
| 2836 | while (length >= 4) { |
| 2837 | HEVCNAL *nal; |
| 2838 | int extract_length = 0; |
| 2839 | |
| 2840 | if (s->is_nalff) { |
| 2841 | int i; |
| 2842 | for (i = 0; i < s->nal_length_size; i++) |
| 2843 | extract_length = (extract_length << 8) | buf[i]; |
| 2844 | buf += s->nal_length_size; |
| 2845 | length -= s->nal_length_size; |
| 2846 | |
| 2847 | if (extract_length > length) { |
| 2848 | av_log(s->avctx, AV_LOG_ERROR, "Invalid NAL unit size.\n"); |
| 2849 | ret = AVERROR_INVALIDDATA; |
| 2850 | goto fail; |
| 2851 | } |
| 2852 | } else { |
| 2853 | /* search start code */ |
| 2854 | while (buf[0] != 0 || buf[1] != 0 || buf[2] != 1) { |
| 2855 | ++buf; |
| 2856 | --length; |
| 2857 | if (length < 4) { |
| 2858 | av_log(s->avctx, AV_LOG_ERROR, "No start code is found.\n"); |
| 2859 | ret = AVERROR_INVALIDDATA; |
| 2860 | goto fail; |
| 2861 | } |
| 2862 | } |
| 2863 | |
| 2864 | buf += 3; |
| 2865 | length -= 3; |
| 2866 | } |
| 2867 | |
| 2868 | if (!s->is_nalff) |
| 2869 | extract_length = length; |
| 2870 | |
| 2871 | if (s->nals_allocated < s->nb_nals + 1) { |
| 2872 | int new_size = s->nals_allocated + 1; |
| 2873 | HEVCNAL *tmp = av_realloc_array(s->nals, new_size, sizeof(*tmp)); |
| 2874 | if (!tmp) { |
| 2875 | ret = AVERROR(ENOMEM); |
| 2876 | goto fail; |
| 2877 | } |
| 2878 | s->nals = tmp; |
| 2879 | memset(s->nals + s->nals_allocated, 0, |
| 2880 | (new_size - s->nals_allocated) * sizeof(*tmp)); |
| 2881 | av_reallocp_array(&s->skipped_bytes_nal, new_size, sizeof(*s->skipped_bytes_nal)); |
| 2882 | av_reallocp_array(&s->skipped_bytes_pos_size_nal, new_size, sizeof(*s->skipped_bytes_pos_size_nal)); |
| 2883 | av_reallocp_array(&s->skipped_bytes_pos_nal, new_size, sizeof(*s->skipped_bytes_pos_nal)); |
| 2884 | s->skipped_bytes_pos_size_nal[s->nals_allocated] = 1024; // initial buffer size |
| 2885 | s->skipped_bytes_pos_nal[s->nals_allocated] = av_malloc_array(s->skipped_bytes_pos_size_nal[s->nals_allocated], sizeof(*s->skipped_bytes_pos)); |
| 2886 | s->nals_allocated = new_size; |
| 2887 | } |
| 2888 | s->skipped_bytes_pos_size = s->skipped_bytes_pos_size_nal[s->nb_nals]; |
| 2889 | s->skipped_bytes_pos = s->skipped_bytes_pos_nal[s->nb_nals]; |
| 2890 | nal = &s->nals[s->nb_nals]; |
| 2891 | |
| 2892 | consumed = ff_hevc_extract_rbsp(s, buf, extract_length, nal); |
| 2893 | |
| 2894 | s->skipped_bytes_nal[s->nb_nals] = s->skipped_bytes; |
| 2895 | s->skipped_bytes_pos_size_nal[s->nb_nals] = s->skipped_bytes_pos_size; |
| 2896 | s->skipped_bytes_pos_nal[s->nb_nals++] = s->skipped_bytes_pos; |
| 2897 | |
| 2898 | |
| 2899 | if (consumed < 0) { |
| 2900 | ret = consumed; |
| 2901 | goto fail; |
| 2902 | } |
| 2903 | |
| 2904 | ret = init_get_bits8(&s->HEVClc->gb, nal->data, nal->size); |
| 2905 | if (ret < 0) |
| 2906 | goto fail; |
| 2907 | hls_nal_unit(s); |
| 2908 | |
| 2909 | if (s->nal_unit_type == NAL_EOB_NUT || |
| 2910 | s->nal_unit_type == NAL_EOS_NUT) |
| 2911 | s->eos = 1; |
| 2912 | |
| 2913 | buf += consumed; |
| 2914 | length -= consumed; |
| 2915 | } |
| 2916 | |
| 2917 | /* parse the NAL units */ |
| 2918 | for (i = 0; i < s->nb_nals; i++) { |
| 2919 | int ret; |
| 2920 | s->skipped_bytes = s->skipped_bytes_nal[i]; |
| 2921 | s->skipped_bytes_pos = s->skipped_bytes_pos_nal[i]; |
| 2922 | |
| 2923 | ret = decode_nal_unit(s, s->nals[i].data, s->nals[i].size); |
| 2924 | if (ret < 0) { |
| 2925 | av_log(s->avctx, AV_LOG_WARNING, |
| 2926 | "Error parsing NAL unit #%d.\n", i); |
| 2927 | goto fail; |
| 2928 | } |
| 2929 | } |
| 2930 | |
| 2931 | fail: |
| 2932 | if (s->ref && s->threads_type == FF_THREAD_FRAME) |
| 2933 | ff_thread_report_progress(&s->ref->tf, INT_MAX, 0); |
| 2934 | |
| 2935 | return ret; |
| 2936 | } |
| 2937 | |
| 2938 | static void print_md5(void *log_ctx, int level, uint8_t md5[16]) |
| 2939 | { |
| 2940 | int i; |
| 2941 | for (i = 0; i < 16; i++) |
| 2942 | av_log(log_ctx, level, "%02"PRIx8, md5[i]); |
| 2943 | } |
| 2944 | |
| 2945 | static int verify_md5(HEVCContext *s, AVFrame *frame) |
| 2946 | { |
| 2947 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format); |
| 2948 | int pixel_shift; |
| 2949 | int i, j; |
| 2950 | |
| 2951 | if (!desc) |
| 2952 | return AVERROR(EINVAL); |
| 2953 | |
| 2954 | pixel_shift = desc->comp[0].depth_minus1 > 7; |
| 2955 | |
| 2956 | av_log(s->avctx, AV_LOG_DEBUG, "Verifying checksum for frame with POC %d: ", |
| 2957 | s->poc); |
| 2958 | |
| 2959 | /* the checksums are LE, so we have to byteswap for >8bpp formats |
| 2960 | * on BE arches */ |
| 2961 | #if HAVE_BIGENDIAN |
| 2962 | if (pixel_shift && !s->checksum_buf) { |
| 2963 | av_fast_malloc(&s->checksum_buf, &s->checksum_buf_size, |
| 2964 | FFMAX3(frame->linesize[0], frame->linesize[1], |
| 2965 | frame->linesize[2])); |
| 2966 | if (!s->checksum_buf) |
| 2967 | return AVERROR(ENOMEM); |
| 2968 | } |
| 2969 | #endif |
| 2970 | |
| 2971 | for (i = 0; frame->data[i]; i++) { |
| 2972 | int width = s->avctx->coded_width; |
| 2973 | int height = s->avctx->coded_height; |
| 2974 | int w = (i == 1 || i == 2) ? (width >> desc->log2_chroma_w) : width; |
| 2975 | int h = (i == 1 || i == 2) ? (height >> desc->log2_chroma_h) : height; |
| 2976 | uint8_t md5[16]; |
| 2977 | |
| 2978 | av_md5_init(s->md5_ctx); |
| 2979 | for (j = 0; j < h; j++) { |
| 2980 | const uint8_t *src = frame->data[i] + j * frame->linesize[i]; |
| 2981 | #if HAVE_BIGENDIAN |
| 2982 | if (pixel_shift) { |
| 2983 | s->bdsp.bswap16_buf((uint16_t *) s->checksum_buf, |
| 2984 | (const uint16_t *) src, w); |
| 2985 | src = s->checksum_buf; |
| 2986 | } |
| 2987 | #endif |
| 2988 | av_md5_update(s->md5_ctx, src, w << pixel_shift); |
| 2989 | } |
| 2990 | av_md5_final(s->md5_ctx, md5); |
| 2991 | |
| 2992 | if (!memcmp(md5, s->md5[i], 16)) { |
| 2993 | av_log (s->avctx, AV_LOG_DEBUG, "plane %d - correct ", i); |
| 2994 | print_md5(s->avctx, AV_LOG_DEBUG, md5); |
| 2995 | av_log (s->avctx, AV_LOG_DEBUG, "; "); |
| 2996 | } else { |
| 2997 | av_log (s->avctx, AV_LOG_ERROR, "mismatching checksum of plane %d - ", i); |
| 2998 | print_md5(s->avctx, AV_LOG_ERROR, md5); |
| 2999 | av_log (s->avctx, AV_LOG_ERROR, " != "); |
| 3000 | print_md5(s->avctx, AV_LOG_ERROR, s->md5[i]); |
| 3001 | av_log (s->avctx, AV_LOG_ERROR, "\n"); |
| 3002 | return AVERROR_INVALIDDATA; |
| 3003 | } |
| 3004 | } |
| 3005 | |
| 3006 | av_log(s->avctx, AV_LOG_DEBUG, "\n"); |
| 3007 | |
| 3008 | return 0; |
| 3009 | } |
| 3010 | |
| 3011 | static int hevc_decode_frame(AVCodecContext *avctx, void *data, int *got_output, |
| 3012 | AVPacket *avpkt) |
| 3013 | { |
| 3014 | int ret; |
| 3015 | HEVCContext *s = avctx->priv_data; |
| 3016 | |
| 3017 | if (!avpkt->size) { |
| 3018 | ret = ff_hevc_output_frame(s, data, 1); |
| 3019 | if (ret < 0) |
| 3020 | return ret; |
| 3021 | |
| 3022 | *got_output = ret; |
| 3023 | return 0; |
| 3024 | } |
| 3025 | |
| 3026 | s->ref = NULL; |
| 3027 | ret = decode_nal_units(s, avpkt->data, avpkt->size); |
| 3028 | if (ret < 0) |
| 3029 | return ret; |
| 3030 | |
| 3031 | /* verify the SEI checksum */ |
| 3032 | if (avctx->err_recognition & AV_EF_CRCCHECK && s->is_decoded && |
| 3033 | s->is_md5) { |
| 3034 | ret = verify_md5(s, s->ref->frame); |
| 3035 | if (ret < 0 && avctx->err_recognition & AV_EF_EXPLODE) { |
| 3036 | ff_hevc_unref_frame(s, s->ref, ~0); |
| 3037 | return ret; |
| 3038 | } |
| 3039 | } |
| 3040 | s->is_md5 = 0; |
| 3041 | |
| 3042 | if (s->is_decoded) { |
| 3043 | av_log(avctx, AV_LOG_DEBUG, "Decoded frame with POC %d.\n", s->poc); |
| 3044 | s->is_decoded = 0; |
| 3045 | } |
| 3046 | |
| 3047 | if (s->output_frame->buf[0]) { |
| 3048 | av_frame_move_ref(data, s->output_frame); |
| 3049 | *got_output = 1; |
| 3050 | } |
| 3051 | |
| 3052 | return avpkt->size; |
| 3053 | } |
| 3054 | |
| 3055 | static int hevc_ref_frame(HEVCContext *s, HEVCFrame *dst, HEVCFrame *src) |
| 3056 | { |
| 3057 | int ret; |
| 3058 | |
| 3059 | ret = ff_thread_ref_frame(&dst->tf, &src->tf); |
| 3060 | if (ret < 0) |
| 3061 | return ret; |
| 3062 | |
| 3063 | dst->tab_mvf_buf = av_buffer_ref(src->tab_mvf_buf); |
| 3064 | if (!dst->tab_mvf_buf) |
| 3065 | goto fail; |
| 3066 | dst->tab_mvf = src->tab_mvf; |
| 3067 | |
| 3068 | dst->rpl_tab_buf = av_buffer_ref(src->rpl_tab_buf); |
| 3069 | if (!dst->rpl_tab_buf) |
| 3070 | goto fail; |
| 3071 | dst->rpl_tab = src->rpl_tab; |
| 3072 | |
| 3073 | dst->rpl_buf = av_buffer_ref(src->rpl_buf); |
| 3074 | if (!dst->rpl_buf) |
| 3075 | goto fail; |
| 3076 | |
| 3077 | dst->poc = src->poc; |
| 3078 | dst->ctb_count = src->ctb_count; |
| 3079 | dst->window = src->window; |
| 3080 | dst->flags = src->flags; |
| 3081 | dst->sequence = src->sequence; |
| 3082 | |
| 3083 | return 0; |
| 3084 | fail: |
| 3085 | ff_hevc_unref_frame(s, dst, ~0); |
| 3086 | return AVERROR(ENOMEM); |
| 3087 | } |
| 3088 | |
| 3089 | static av_cold int hevc_decode_free(AVCodecContext *avctx) |
| 3090 | { |
| 3091 | HEVCContext *s = avctx->priv_data; |
| 3092 | int i; |
| 3093 | |
| 3094 | pic_arrays_free(s); |
| 3095 | |
| 3096 | av_freep(&s->md5_ctx); |
| 3097 | |
| 3098 | for(i=0; i < s->nals_allocated; i++) { |
| 3099 | av_freep(&s->skipped_bytes_pos_nal[i]); |
| 3100 | } |
| 3101 | av_freep(&s->skipped_bytes_pos_size_nal); |
| 3102 | av_freep(&s->skipped_bytes_nal); |
| 3103 | av_freep(&s->skipped_bytes_pos_nal); |
| 3104 | |
| 3105 | av_freep(&s->cabac_state); |
| 3106 | |
| 3107 | av_frame_free(&s->tmp_frame); |
| 3108 | av_frame_free(&s->output_frame); |
| 3109 | |
| 3110 | for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) { |
| 3111 | ff_hevc_unref_frame(s, &s->DPB[i], ~0); |
| 3112 | av_frame_free(&s->DPB[i].frame); |
| 3113 | } |
| 3114 | |
| 3115 | for (i = 0; i < FF_ARRAY_ELEMS(s->vps_list); i++) |
| 3116 | av_buffer_unref(&s->vps_list[i]); |
| 3117 | for (i = 0; i < FF_ARRAY_ELEMS(s->sps_list); i++) |
| 3118 | av_buffer_unref(&s->sps_list[i]); |
| 3119 | for (i = 0; i < FF_ARRAY_ELEMS(s->pps_list); i++) |
| 3120 | av_buffer_unref(&s->pps_list[i]); |
| 3121 | s->sps = NULL; |
| 3122 | s->pps = NULL; |
| 3123 | s->vps = NULL; |
| 3124 | |
| 3125 | av_buffer_unref(&s->current_sps); |
| 3126 | |
| 3127 | av_freep(&s->sh.entry_point_offset); |
| 3128 | av_freep(&s->sh.offset); |
| 3129 | av_freep(&s->sh.size); |
| 3130 | |
| 3131 | for (i = 1; i < s->threads_number; i++) { |
| 3132 | HEVCLocalContext *lc = s->HEVClcList[i]; |
| 3133 | if (lc) { |
| 3134 | av_freep(&s->HEVClcList[i]); |
| 3135 | av_freep(&s->sList[i]); |
| 3136 | } |
| 3137 | } |
| 3138 | if (s->HEVClc == s->HEVClcList[0]) |
| 3139 | s->HEVClc = NULL; |
| 3140 | av_freep(&s->HEVClcList[0]); |
| 3141 | |
| 3142 | for (i = 0; i < s->nals_allocated; i++) |
| 3143 | av_freep(&s->nals[i].rbsp_buffer); |
| 3144 | av_freep(&s->nals); |
| 3145 | s->nals_allocated = 0; |
| 3146 | |
| 3147 | return 0; |
| 3148 | } |
| 3149 | |
| 3150 | static av_cold int hevc_init_context(AVCodecContext *avctx) |
| 3151 | { |
| 3152 | HEVCContext *s = avctx->priv_data; |
| 3153 | int i; |
| 3154 | |
| 3155 | s->avctx = avctx; |
| 3156 | |
| 3157 | s->HEVClc = av_mallocz(sizeof(HEVCLocalContext)); |
| 3158 | if (!s->HEVClc) |
| 3159 | goto fail; |
| 3160 | s->HEVClcList[0] = s->HEVClc; |
| 3161 | s->sList[0] = s; |
| 3162 | |
| 3163 | s->cabac_state = av_malloc(HEVC_CONTEXTS); |
| 3164 | if (!s->cabac_state) |
| 3165 | goto fail; |
| 3166 | |
| 3167 | s->tmp_frame = av_frame_alloc(); |
| 3168 | if (!s->tmp_frame) |
| 3169 | goto fail; |
| 3170 | |
| 3171 | s->output_frame = av_frame_alloc(); |
| 3172 | if (!s->output_frame) |
| 3173 | goto fail; |
| 3174 | |
| 3175 | for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) { |
| 3176 | s->DPB[i].frame = av_frame_alloc(); |
| 3177 | if (!s->DPB[i].frame) |
| 3178 | goto fail; |
| 3179 | s->DPB[i].tf.f = s->DPB[i].frame; |
| 3180 | } |
| 3181 | |
| 3182 | s->max_ra = INT_MAX; |
| 3183 | |
| 3184 | s->md5_ctx = av_md5_alloc(); |
| 3185 | if (!s->md5_ctx) |
| 3186 | goto fail; |
| 3187 | |
| 3188 | ff_bswapdsp_init(&s->bdsp); |
| 3189 | |
| 3190 | s->context_initialized = 1; |
| 3191 | s->eos = 0; |
| 3192 | |
| 3193 | return 0; |
| 3194 | |
| 3195 | fail: |
| 3196 | hevc_decode_free(avctx); |
| 3197 | return AVERROR(ENOMEM); |
| 3198 | } |
| 3199 | |
| 3200 | static int hevc_update_thread_context(AVCodecContext *dst, |
| 3201 | const AVCodecContext *src) |
| 3202 | { |
| 3203 | HEVCContext *s = dst->priv_data; |
| 3204 | HEVCContext *s0 = src->priv_data; |
| 3205 | int i, ret; |
| 3206 | |
| 3207 | if (!s->context_initialized) { |
| 3208 | ret = hevc_init_context(dst); |
| 3209 | if (ret < 0) |
| 3210 | return ret; |
| 3211 | } |
| 3212 | |
| 3213 | for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) { |
| 3214 | ff_hevc_unref_frame(s, &s->DPB[i], ~0); |
| 3215 | if (s0->DPB[i].frame->buf[0]) { |
| 3216 | ret = hevc_ref_frame(s, &s->DPB[i], &s0->DPB[i]); |
| 3217 | if (ret < 0) |
| 3218 | return ret; |
| 3219 | } |
| 3220 | } |
| 3221 | |
| 3222 | if (s->sps != s0->sps) |
| 3223 | s->sps = NULL; |
| 3224 | for (i = 0; i < FF_ARRAY_ELEMS(s->vps_list); i++) { |
| 3225 | av_buffer_unref(&s->vps_list[i]); |
| 3226 | if (s0->vps_list[i]) { |
| 3227 | s->vps_list[i] = av_buffer_ref(s0->vps_list[i]); |
| 3228 | if (!s->vps_list[i]) |
| 3229 | return AVERROR(ENOMEM); |
| 3230 | } |
| 3231 | } |
| 3232 | |
| 3233 | for (i = 0; i < FF_ARRAY_ELEMS(s->sps_list); i++) { |
| 3234 | av_buffer_unref(&s->sps_list[i]); |
| 3235 | if (s0->sps_list[i]) { |
| 3236 | s->sps_list[i] = av_buffer_ref(s0->sps_list[i]); |
| 3237 | if (!s->sps_list[i]) |
| 3238 | return AVERROR(ENOMEM); |
| 3239 | } |
| 3240 | } |
| 3241 | |
| 3242 | for (i = 0; i < FF_ARRAY_ELEMS(s->pps_list); i++) { |
| 3243 | av_buffer_unref(&s->pps_list[i]); |
| 3244 | if (s0->pps_list[i]) { |
| 3245 | s->pps_list[i] = av_buffer_ref(s0->pps_list[i]); |
| 3246 | if (!s->pps_list[i]) |
| 3247 | return AVERROR(ENOMEM); |
| 3248 | } |
| 3249 | } |
| 3250 | |
| 3251 | av_buffer_unref(&s->current_sps); |
| 3252 | if (s0->current_sps) { |
| 3253 | s->current_sps = av_buffer_ref(s0->current_sps); |
| 3254 | if (!s->current_sps) |
| 3255 | return AVERROR(ENOMEM); |
| 3256 | } |
| 3257 | |
| 3258 | if (s->sps != s0->sps) |
| 3259 | if ((ret = set_sps(s, s0->sps)) < 0) |
| 3260 | return ret; |
| 3261 | |
| 3262 | s->seq_decode = s0->seq_decode; |
| 3263 | s->seq_output = s0->seq_output; |
| 3264 | s->pocTid0 = s0->pocTid0; |
| 3265 | s->max_ra = s0->max_ra; |
| 3266 | s->eos = s0->eos; |
| 3267 | |
| 3268 | s->is_nalff = s0->is_nalff; |
| 3269 | s->nal_length_size = s0->nal_length_size; |
| 3270 | |
| 3271 | s->threads_number = s0->threads_number; |
| 3272 | s->threads_type = s0->threads_type; |
| 3273 | |
| 3274 | if (s0->eos) { |
| 3275 | s->seq_decode = (s->seq_decode + 1) & 0xff; |
| 3276 | s->max_ra = INT_MAX; |
| 3277 | } |
| 3278 | |
| 3279 | return 0; |
| 3280 | } |
| 3281 | |
| 3282 | static int hevc_decode_extradata(HEVCContext *s) |
| 3283 | { |
| 3284 | AVCodecContext *avctx = s->avctx; |
| 3285 | GetByteContext gb; |
| 3286 | int ret; |
| 3287 | |
| 3288 | bytestream2_init(&gb, avctx->extradata, avctx->extradata_size); |
| 3289 | |
| 3290 | if (avctx->extradata_size > 3 && |
| 3291 | (avctx->extradata[0] || avctx->extradata[1] || |
| 3292 | avctx->extradata[2] > 1)) { |
| 3293 | /* It seems the extradata is encoded as hvcC format. |
| 3294 | * Temporarily, we support configurationVersion==0 until 14496-15 3rd |
| 3295 | * is finalized. When finalized, configurationVersion will be 1 and we |
| 3296 | * can recognize hvcC by checking if avctx->extradata[0]==1 or not. */ |
| 3297 | int i, j, num_arrays, nal_len_size; |
| 3298 | |
| 3299 | s->is_nalff = 1; |
| 3300 | |
| 3301 | bytestream2_skip(&gb, 21); |
| 3302 | nal_len_size = (bytestream2_get_byte(&gb) & 3) + 1; |
| 3303 | num_arrays = bytestream2_get_byte(&gb); |
| 3304 | |
| 3305 | /* nal units in the hvcC always have length coded with 2 bytes, |
| 3306 | * so put a fake nal_length_size = 2 while parsing them */ |
| 3307 | s->nal_length_size = 2; |
| 3308 | |
| 3309 | /* Decode nal units from hvcC. */ |
| 3310 | for (i = 0; i < num_arrays; i++) { |
| 3311 | int type = bytestream2_get_byte(&gb) & 0x3f; |
| 3312 | int cnt = bytestream2_get_be16(&gb); |
| 3313 | |
| 3314 | for (j = 0; j < cnt; j++) { |
| 3315 | // +2 for the nal size field |
| 3316 | int nalsize = bytestream2_peek_be16(&gb) + 2; |
| 3317 | if (bytestream2_get_bytes_left(&gb) < nalsize) { |
| 3318 | av_log(s->avctx, AV_LOG_ERROR, |
| 3319 | "Invalid NAL unit size in extradata.\n"); |
| 3320 | return AVERROR_INVALIDDATA; |
| 3321 | } |
| 3322 | |
| 3323 | ret = decode_nal_units(s, gb.buffer, nalsize); |
| 3324 | if (ret < 0) { |
| 3325 | av_log(avctx, AV_LOG_ERROR, |
| 3326 | "Decoding nal unit %d %d from hvcC failed\n", |
| 3327 | type, i); |
| 3328 | return ret; |
| 3329 | } |
| 3330 | bytestream2_skip(&gb, nalsize); |
| 3331 | } |
| 3332 | } |
| 3333 | |
| 3334 | /* Now store right nal length size, that will be used to parse |
| 3335 | * all other nals */ |
| 3336 | s->nal_length_size = nal_len_size; |
| 3337 | } else { |
| 3338 | s->is_nalff = 0; |
| 3339 | ret = decode_nal_units(s, avctx->extradata, avctx->extradata_size); |
| 3340 | if (ret < 0) |
| 3341 | return ret; |
| 3342 | } |
| 3343 | return 0; |
| 3344 | } |
| 3345 | |
| 3346 | static av_cold int hevc_decode_init(AVCodecContext *avctx) |
| 3347 | { |
| 3348 | HEVCContext *s = avctx->priv_data; |
| 3349 | int ret; |
| 3350 | |
| 3351 | ff_init_cabac_states(); |
| 3352 | |
| 3353 | avctx->internal->allocate_progress = 1; |
| 3354 | |
| 3355 | ret = hevc_init_context(avctx); |
| 3356 | if (ret < 0) |
| 3357 | return ret; |
| 3358 | |
| 3359 | s->enable_parallel_tiles = 0; |
| 3360 | s->picture_struct = 0; |
| 3361 | |
| 3362 | if(avctx->active_thread_type & FF_THREAD_SLICE) |
| 3363 | s->threads_number = avctx->thread_count; |
| 3364 | else |
| 3365 | s->threads_number = 1; |
| 3366 | |
| 3367 | if (avctx->extradata_size > 0 && avctx->extradata) { |
| 3368 | ret = hevc_decode_extradata(s); |
| 3369 | if (ret < 0) { |
| 3370 | hevc_decode_free(avctx); |
| 3371 | return ret; |
| 3372 | } |
| 3373 | } |
| 3374 | |
| 3375 | if((avctx->active_thread_type & FF_THREAD_FRAME) && avctx->thread_count > 1) |
| 3376 | s->threads_type = FF_THREAD_FRAME; |
| 3377 | else |
| 3378 | s->threads_type = FF_THREAD_SLICE; |
| 3379 | |
| 3380 | return 0; |
| 3381 | } |
| 3382 | |
| 3383 | static av_cold int hevc_init_thread_copy(AVCodecContext *avctx) |
| 3384 | { |
| 3385 | HEVCContext *s = avctx->priv_data; |
| 3386 | int ret; |
| 3387 | |
| 3388 | memset(s, 0, sizeof(*s)); |
| 3389 | |
| 3390 | ret = hevc_init_context(avctx); |
| 3391 | if (ret < 0) |
| 3392 | return ret; |
| 3393 | |
| 3394 | return 0; |
| 3395 | } |
| 3396 | |
| 3397 | static void hevc_decode_flush(AVCodecContext *avctx) |
| 3398 | { |
| 3399 | HEVCContext *s = avctx->priv_data; |
| 3400 | ff_hevc_flush_dpb(s); |
| 3401 | s->max_ra = INT_MAX; |
| 3402 | } |
| 3403 | |
| 3404 | #define OFFSET(x) offsetof(HEVCContext, x) |
| 3405 | #define PAR (AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM) |
| 3406 | |
| 3407 | static const AVProfile profiles[] = { |
| 3408 | { FF_PROFILE_HEVC_MAIN, "Main" }, |
| 3409 | { FF_PROFILE_HEVC_MAIN_10, "Main 10" }, |
| 3410 | { FF_PROFILE_HEVC_MAIN_STILL_PICTURE, "Main Still Picture" }, |
| 3411 | { FF_PROFILE_HEVC_REXT, "Rext" }, |
| 3412 | { FF_PROFILE_UNKNOWN }, |
| 3413 | }; |
| 3414 | |
| 3415 | static const AVOption options[] = { |
| 3416 | { "apply_defdispwin", "Apply default display window from VUI", OFFSET(apply_defdispwin), |
| 3417 | AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, PAR }, |
| 3418 | { "strict-displaywin", "stricly apply default display window size", OFFSET(apply_defdispwin), |
| 3419 | AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, PAR }, |
| 3420 | { NULL }, |
| 3421 | }; |
| 3422 | |
| 3423 | static const AVClass hevc_decoder_class = { |
| 3424 | .class_name = "HEVC decoder", |
| 3425 | .item_name = av_default_item_name, |
| 3426 | .option = options, |
| 3427 | .version = LIBAVUTIL_VERSION_INT, |
| 3428 | }; |
| 3429 | |
| 3430 | AVCodec ff_hevc_decoder = { |
| 3431 | .name = "hevc", |
| 3432 | .long_name = NULL_IF_CONFIG_SMALL("HEVC (High Efficiency Video Coding)"), |
| 3433 | .type = AVMEDIA_TYPE_VIDEO, |
| 3434 | .id = AV_CODEC_ID_HEVC, |
| 3435 | .priv_data_size = sizeof(HEVCContext), |
| 3436 | .priv_class = &hevc_decoder_class, |
| 3437 | .init = hevc_decode_init, |
| 3438 | .close = hevc_decode_free, |
| 3439 | .decode = hevc_decode_frame, |
| 3440 | .flush = hevc_decode_flush, |
| 3441 | .update_thread_context = hevc_update_thread_context, |
| 3442 | .init_thread_copy = hevc_init_thread_copy, |
| 3443 | .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY | |
| 3444 | CODEC_CAP_SLICE_THREADS | CODEC_CAP_FRAME_THREADS, |
| 3445 | .profiles = NULL_IF_CONFIG_SMALL(profiles), |
| 3446 | }; |