git.sesse.net Git - ffmpeg/blob - libavcodec/vaapi_hevc.c

   1 /*
   2  * HEVC HW decode acceleration through VA API
   3  *
   4  * Copyright (C) 2015 Timo Rothenpieler <timo@rothenpieler.org>
   5  *
   6  * This file is part of FFmpeg.
   7  *
   8  * FFmpeg is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * FFmpeg is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with FFmpeg; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23 #include <va/va.h>
  24 #include <va/va_dec_hevc.h>
  25
  26 #include "avcodec.h"
  27 #include "hevcdec.h"
  28 #include "hwaccel.h"
  29 #include "vaapi_decode.h"
  30
  31 typedef struct VAAPIDecodePictureHEVC {
  32     VAPictureParameterBufferHEVC pic_param;
  33     VASliceParameterBufferHEVC last_slice_param;
  34     const uint8_t *last_buffer;
  35     size_t         last_size;
  36
  37     VAAPIDecodePicture pic;
  38 } VAAPIDecodePictureHEVC;
  39
  40 static void init_vaapi_pic(VAPictureHEVC *va_pic)
  41 {
  42     va_pic->picture_id    = VA_INVALID_ID;
  43     va_pic->flags         = VA_PICTURE_HEVC_INVALID;
  44     va_pic->pic_order_cnt = 0;
  45 }
  46
  47 static void fill_vaapi_pic(VAPictureHEVC *va_pic, const HEVCFrame *pic, int rps_type)
  48 {
  49     va_pic->picture_id    = ff_vaapi_get_surface_id(pic->frame);
  50     va_pic->pic_order_cnt = pic->poc;
  51     va_pic->flags         = rps_type;
  52
  53     if (pic->flags & HEVC_FRAME_FLAG_LONG_REF)
  54         va_pic->flags |= VA_PICTURE_HEVC_LONG_TERM_REFERENCE;
  55
  56     if (pic->frame->interlaced_frame) {
  57         va_pic->flags |= VA_PICTURE_HEVC_FIELD_PIC;
  58
  59         if (!pic->frame->top_field_first)
  60             va_pic->flags |= VA_PICTURE_HEVC_BOTTOM_FIELD;
  61     }
  62 }
  63
  64 static int find_frame_rps_type(const HEVCContext *h, const HEVCFrame *pic)
  65 {
  66     VASurfaceID pic_surf = ff_vaapi_get_surface_id(pic->frame);
  67     int i;
  68
  69     for (i = 0; i < h->rps[ST_CURR_BEF].nb_refs; i++) {
  70         if (pic_surf == ff_vaapi_get_surface_id(h->rps[ST_CURR_BEF].ref[i]->frame))
  71             return VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE;
  72     }
  73
  74     for (i = 0; i < h->rps[ST_CURR_AFT].nb_refs; i++) {
  75         if (pic_surf == ff_vaapi_get_surface_id(h->rps[ST_CURR_AFT].ref[i]->frame))
  76             return VA_PICTURE_HEVC_RPS_ST_CURR_AFTER;
  77     }
  78
  79     for (i = 0; i < h->rps[LT_CURR].nb_refs; i++) {
  80         if (pic_surf == ff_vaapi_get_surface_id(h->rps[LT_CURR].ref[i]->frame))
  81             return VA_PICTURE_HEVC_RPS_LT_CURR;
  82     }
  83
  84     return 0;
  85 }
  86
  87 static void fill_vaapi_reference_frames(const HEVCContext *h, VAPictureParameterBufferHEVC *pp)
  88 {
  89     const HEVCFrame *current_picture = h->ref;
  90     int i, j, rps_type;
  91
  92     for (i = 0, j = 0; i < FF_ARRAY_ELEMS(pp->ReferenceFrames); i++) {
  93         const HEVCFrame *frame = NULL;
  94
  95         while (!frame && j < FF_ARRAY_ELEMS(h->DPB)) {
  96             if (&h->DPB[j] != current_picture && (h->DPB[j].flags & (HEVC_FRAME_FLAG_LONG_REF | HEVC_FRAME_FLAG_SHORT_REF)))
  97                 frame = &h->DPB[j];
  98             j++;
  99         }
 100
 101         init_vaapi_pic(&pp->ReferenceFrames[i]);
 102
 103         if (frame) {
 104             rps_type = find_frame_rps_type(h, frame);
 105             fill_vaapi_pic(&pp->ReferenceFrames[i], frame, rps_type);
 106         }
 107     }
 108 }
 109
 110 static int vaapi_hevc_start_frame(AVCodecContext          *avctx,
 111                                   av_unused const uint8_t *buffer,
 112                                   av_unused uint32_t       size)
 113 {
 114     const HEVCContext        *h = avctx->priv_data;
 115     VAAPIDecodePictureHEVC *pic = h->ref->hwaccel_picture_private;
 116     const HEVCSPS          *sps = h->ps.sps;
 117     const HEVCPPS          *pps = h->ps.pps;
 118
 119     const ScalingList *scaling_list = NULL;
 120     int err, i;
 121
 122     pic->pic.output_surface = ff_vaapi_get_surface_id(h->ref->frame);
 123
 124     pic->pic_param = (VAPictureParameterBufferHEVC) {
 125         .pic_width_in_luma_samples                    = sps->width,
 126         .pic_height_in_luma_samples                   = sps->height,
 127         .log2_min_luma_coding_block_size_minus3       = sps->log2_min_cb_size - 3,
 128         .sps_max_dec_pic_buffering_minus1             = sps->temporal_layer[sps->max_sub_layers - 1].max_dec_pic_buffering - 1,
 129         .log2_diff_max_min_luma_coding_block_size     = sps->log2_diff_max_min_coding_block_size,
 130         .log2_min_transform_block_size_minus2         = sps->log2_min_tb_size - 2,
 131         .log2_diff_max_min_transform_block_size       = sps->log2_max_trafo_size  - sps->log2_min_tb_size,
 132         .max_transform_hierarchy_depth_inter          = sps->max_transform_hierarchy_depth_inter,
 133         .max_transform_hierarchy_depth_intra          = sps->max_transform_hierarchy_depth_intra,
 134         .num_short_term_ref_pic_sets                  = sps->nb_st_rps,
 135         .num_long_term_ref_pic_sps                    = sps->num_long_term_ref_pics_sps,
 136         .num_ref_idx_l0_default_active_minus1         = pps->num_ref_idx_l0_default_active - 1,
 137         .num_ref_idx_l1_default_active_minus1         = pps->num_ref_idx_l1_default_active - 1,
 138         .init_qp_minus26                              = pps->pic_init_qp_minus26,
 139         .pps_cb_qp_offset                             = pps->cb_qp_offset,
 140         .pps_cr_qp_offset                             = pps->cr_qp_offset,
 141         .pcm_sample_bit_depth_luma_minus1             = sps->pcm.bit_depth - 1,
 142         .pcm_sample_bit_depth_chroma_minus1           = sps->pcm.bit_depth_chroma - 1,
 143         .log2_min_pcm_luma_coding_block_size_minus3   = sps->pcm.log2_min_pcm_cb_size - 3,
 144         .log2_diff_max_min_pcm_luma_coding_block_size = sps->pcm.log2_max_pcm_cb_size - sps->pcm.log2_min_pcm_cb_size,
 145         .diff_cu_qp_delta_depth                       = pps->diff_cu_qp_delta_depth,
 146         .pps_beta_offset_div2                         = pps->beta_offset / 2,
 147         .pps_tc_offset_div2                           = pps->tc_offset / 2,
 148         .log2_parallel_merge_level_minus2             = pps->log2_parallel_merge_level - 2,
 149         .bit_depth_luma_minus8                        = sps->bit_depth - 8,
 150         .bit_depth_chroma_minus8                      = sps->bit_depth - 8,
 151         .log2_max_pic_order_cnt_lsb_minus4            = sps->log2_max_poc_lsb - 4,
 152         .num_extra_slice_header_bits                  = pps->num_extra_slice_header_bits,
 153         .pic_fields.bits = {
 154             .chroma_format_idc                          = sps->chroma_format_idc,
 155             .tiles_enabled_flag                         = pps->tiles_enabled_flag,
 156             .separate_colour_plane_flag                 = sps->separate_colour_plane_flag,
 157             .pcm_enabled_flag                           = sps->pcm_enabled_flag,
 158             .scaling_list_enabled_flag                  = sps->scaling_list_enable_flag,
 159             .transform_skip_enabled_flag                = pps->transform_skip_enabled_flag,
 160             .amp_enabled_flag                           = sps->amp_enabled_flag,
 161             .strong_intra_smoothing_enabled_flag        = sps->sps_strong_intra_smoothing_enable_flag,
 162             .sign_data_hiding_enabled_flag              = pps->sign_data_hiding_flag,
 163             .constrained_intra_pred_flag                = pps->constrained_intra_pred_flag,
 164             .cu_qp_delta_enabled_flag                   = pps->cu_qp_delta_enabled_flag,
 165             .weighted_pred_flag                         = pps->weighted_pred_flag,
 166             .weighted_bipred_flag                       = pps->weighted_bipred_flag,
 167             .transquant_bypass_enabled_flag             = pps->transquant_bypass_enable_flag,
 168             .entropy_coding_sync_enabled_flag           = pps->entropy_coding_sync_enabled_flag,
 169             .pps_loop_filter_across_slices_enabled_flag = pps->seq_loop_filter_across_slices_enabled_flag,
 170             .loop_filter_across_tiles_enabled_flag      = pps->loop_filter_across_tiles_enabled_flag,
 171             .pcm_loop_filter_disabled_flag              = sps->pcm.loop_filter_disable_flag,
 172         },
 173         .slice_parsing_fields.bits = {
 174             .lists_modification_present_flag             = pps->lists_modification_present_flag,
 175             .long_term_ref_pics_present_flag             = sps->long_term_ref_pics_present_flag,
 176             .sps_temporal_mvp_enabled_flag               = sps->sps_temporal_mvp_enabled_flag,
 177             .cabac_init_present_flag                     = pps->cabac_init_present_flag,
 178             .output_flag_present_flag                    = pps->output_flag_present_flag,
 179             .dependent_slice_segments_enabled_flag       = pps->dependent_slice_segments_enabled_flag,
 180             .pps_slice_chroma_qp_offsets_present_flag    = pps->pic_slice_level_chroma_qp_offsets_present_flag,
 181             .sample_adaptive_offset_enabled_flag         = sps->sao_enabled,
 182             .deblocking_filter_override_enabled_flag     = pps->deblocking_filter_override_enabled_flag,
 183             .pps_disable_deblocking_filter_flag          = pps->disable_dbf,
 184             .slice_segment_header_extension_present_flag = pps->slice_header_extension_present_flag,
 185             .RapPicFlag                                  = IS_IRAP(h),
 186             .IdrPicFlag                                  = IS_IDR(h),
 187             .IntraPicFlag                                = IS_IRAP(h),
 188         },
 189     };
 190
 191     fill_vaapi_pic(&pic->pic_param.CurrPic, h->ref, 0);
 192     fill_vaapi_reference_frames(h, &pic->pic_param);
 193
 194     if (pps->tiles_enabled_flag) {
 195         pic->pic_param.num_tile_columns_minus1 = pps->num_tile_columns - 1;
 196         pic->pic_param.num_tile_rows_minus1    = pps->num_tile_rows - 1;
 197
 198         for (i = 0; i < pps->num_tile_columns; i++)
 199             pic->pic_param.column_width_minus1[i] = pps->column_width[i] - 1;
 200
 201         for (i = 0; i < pps->num_tile_rows; i++)
 202             pic->pic_param.row_height_minus1[i] = pps->row_height[i] - 1;
 203     }
 204
 205     if (h->sh.short_term_ref_pic_set_sps_flag == 0 && h->sh.short_term_rps) {
 206         pic->pic_param.st_rps_bits = h->sh.short_term_ref_pic_set_size;
 207     } else {
 208         pic->pic_param.st_rps_bits = 0;
 209     }
 210
 211     err = ff_vaapi_decode_make_param_buffer(avctx, &pic->pic,
 212                                             VAPictureParameterBufferType,
 213                                             &pic->pic_param, sizeof(pic->pic_param));
 214     if (err < 0)
 215         goto fail;
 216
 217     if (pps->scaling_list_data_present_flag)
 218         scaling_list = &pps->scaling_list;
 219     else if (sps->scaling_list_enable_flag)
 220         scaling_list = &sps->scaling_list;
 221
 222     if (scaling_list) {
 223         VAIQMatrixBufferHEVC iq_matrix;
 224         int j;
 225
 226         for (i = 0; i < 6; i++) {
 227             for (j = 0; j < 16; j++)
 228                 iq_matrix.ScalingList4x4[i][j] = scaling_list->sl[0][i][j];
 229             for (j = 0; j < 64; j++) {
 230                 iq_matrix.ScalingList8x8[i][j]   = scaling_list->sl[1][i][j];
 231                 iq_matrix.ScalingList16x16[i][j] = scaling_list->sl[2][i][j];
 232                 if (i < 2)
 233                     iq_matrix.ScalingList32x32[i][j] = scaling_list->sl[3][i * 3][j];
 234             }
 235             iq_matrix.ScalingListDC16x16[i] = scaling_list->sl_dc[0][i];
 236             if (i < 2)
 237                 iq_matrix.ScalingListDC32x32[i] = scaling_list->sl_dc[1][i * 3];
 238         }
 239
 240         err = ff_vaapi_decode_make_param_buffer(avctx, &pic->pic,
 241                                                 VAIQMatrixBufferType,
 242                                                 &iq_matrix, sizeof(iq_matrix));
 243         if (err < 0)
 244             goto fail;
 245     }
 246
 247     return 0;
 248
 249 fail:
 250     ff_vaapi_decode_cancel(avctx, &pic->pic);
 251     return err;
 252 }
 253
 254 static int vaapi_hevc_end_frame(AVCodecContext *avctx)
 255 {
 256     const HEVCContext        *h = avctx->priv_data;
 257     VAAPIDecodePictureHEVC *pic = h->ref->hwaccel_picture_private;
 258     int ret;
 259
 260     if (pic->last_size) {
 261         pic->last_slice_param.LongSliceFlags.fields.LastSliceOfPic = 1;
 262         ret = ff_vaapi_decode_make_slice_buffer(avctx, &pic->pic,
 263                                                 &pic->last_slice_param, sizeof(pic->last_slice_param),
 264                                                 pic->last_buffer, pic->last_size);
 265         if (ret < 0)
 266             goto fail;
 267     }
 268
 269
 270     ret = ff_vaapi_decode_issue(avctx, &pic->pic);
 271     if (ret < 0)
 272         goto fail;
 273
 274     return 0;
 275 fail:
 276     ff_vaapi_decode_cancel(avctx, &pic->pic);
 277     return ret;
 278 }
 279
 280 static void fill_pred_weight_table(const HEVCContext *h,
 281                                    const SliceHeader *sh,
 282                                    VASliceParameterBufferHEVC *slice_param)
 283 {
 284     int i;
 285
 286     memset(slice_param->delta_luma_weight_l0,   0, sizeof(slice_param->delta_luma_weight_l0));
 287     memset(slice_param->delta_luma_weight_l1,   0, sizeof(slice_param->delta_luma_weight_l1));
 288     memset(slice_param->luma_offset_l0,         0, sizeof(slice_param->luma_offset_l0));
 289     memset(slice_param->luma_offset_l1,         0, sizeof(slice_param->luma_offset_l1));
 290     memset(slice_param->delta_chroma_weight_l0, 0, sizeof(slice_param->delta_chroma_weight_l0));
 291     memset(slice_param->delta_chroma_weight_l1, 0, sizeof(slice_param->delta_chroma_weight_l1));
 292     memset(slice_param->ChromaOffsetL0,         0, sizeof(slice_param->ChromaOffsetL0));
 293     memset(slice_param->ChromaOffsetL1,         0, sizeof(slice_param->ChromaOffsetL1));
 294
 295     slice_param->delta_chroma_log2_weight_denom = 0;
 296     slice_param->luma_log2_weight_denom         = 0;
 297
 298     if (sh->slice_type == HEVC_SLICE_I ||
 299         (sh->slice_type == HEVC_SLICE_P && !h->ps.pps->weighted_pred_flag) ||
 300         (sh->slice_type == HEVC_SLICE_B && !h->ps.pps->weighted_bipred_flag))
 301         return;
 302
 303     slice_param->luma_log2_weight_denom = sh->luma_log2_weight_denom;
 304
 305     if (h->ps.sps->chroma_format_idc) {
 306         slice_param->delta_chroma_log2_weight_denom = sh->chroma_log2_weight_denom - sh->luma_log2_weight_denom;
 307     }
 308
 309     for (i = 0; i < 15 && i < sh->nb_refs[L0]; i++) {
 310         slice_param->delta_luma_weight_l0[i] = sh->luma_weight_l0[i] - (1 << sh->luma_log2_weight_denom);
 311         slice_param->luma_offset_l0[i] = sh->luma_offset_l0[i];
 312         slice_param->delta_chroma_weight_l0[i][0] = sh->chroma_weight_l0[i][0] - (1 << sh->chroma_log2_weight_denom);
 313         slice_param->delta_chroma_weight_l0[i][1] = sh->chroma_weight_l0[i][1] - (1 << sh->chroma_log2_weight_denom);
 314         slice_param->ChromaOffsetL0[i][0] = sh->chroma_offset_l0[i][0];
 315         slice_param->ChromaOffsetL0[i][1] = sh->chroma_offset_l0[i][1];
 316     }
 317
 318     if (sh->slice_type == HEVC_SLICE_B) {
 319         for (i = 0; i < 15 && i < sh->nb_refs[L1]; i++) {
 320             slice_param->delta_luma_weight_l1[i] = sh->luma_weight_l1[i] - (1 << sh->luma_log2_weight_denom);
 321             slice_param->luma_offset_l1[i] = sh->luma_offset_l1[i];
 322             slice_param->delta_chroma_weight_l1[i][0] = sh->chroma_weight_l1[i][0] - (1 << sh->chroma_log2_weight_denom);
 323             slice_param->delta_chroma_weight_l1[i][1] = sh->chroma_weight_l1[i][1] - (1 << sh->chroma_log2_weight_denom);
 324             slice_param->ChromaOffsetL1[i][0] = sh->chroma_offset_l1[i][0];
 325             slice_param->ChromaOffsetL1[i][1] = sh->chroma_offset_l1[i][1];
 326         }
 327     }
 328 }
 329
 330 static uint8_t get_ref_pic_index(const HEVCContext *h, const HEVCFrame *frame)
 331 {
 332     VAAPIDecodePictureHEVC *pic = h->ref->hwaccel_picture_private;
 333     VAPictureParameterBufferHEVC *pp = &pic->pic_param;
 334     uint8_t i;
 335
 336     if (!frame)
 337         return 0xff;
 338
 339     for (i = 0; i < FF_ARRAY_ELEMS(pp->ReferenceFrames); i++) {
 340         VASurfaceID pid = pp->ReferenceFrames[i].picture_id;
 341         int poc = pp->ReferenceFrames[i].pic_order_cnt;
 342         if (pid != VA_INVALID_ID && pid == ff_vaapi_get_surface_id(frame->frame) && poc == frame->poc)
 343             return i;
 344     }
 345
 346     return 0xff;
 347 }
 348
 349 static int vaapi_hevc_decode_slice(AVCodecContext *avctx,
 350                                    const uint8_t  *buffer,
 351                                    uint32_t        size)
 352 {
 353     const HEVCContext        *h = avctx->priv_data;
 354     const SliceHeader       *sh = &h->sh;
 355     VAAPIDecodePictureHEVC *pic = h->ref->hwaccel_picture_private;
 356
 357     int nb_list = (sh->slice_type == HEVC_SLICE_B) ?
 358                   2 : (sh->slice_type == HEVC_SLICE_I ? 0 : 1);
 359
 360     int err, i, list_idx;
 361
 362     if (!sh->first_slice_in_pic_flag) {
 363         err = ff_vaapi_decode_make_slice_buffer(avctx, &pic->pic,
 364                                                 &pic->last_slice_param, sizeof(pic->last_slice_param),
 365                                                 pic->last_buffer, pic->last_size);
 366         pic->last_buffer = NULL;
 367         pic->last_size   = 0;
 368         if (err) {
 369             ff_vaapi_decode_cancel(avctx, &pic->pic);
 370             return err;
 371         }
 372     }
 373
 374     pic->last_slice_param = (VASliceParameterBufferHEVC) {
 375         .slice_data_size               = size,
 376         .slice_data_offset             = 0,
 377         .slice_data_flag               = VA_SLICE_DATA_FLAG_ALL,
 378         /* Add 1 to the bits count here to account for the byte_alignment bit, which
 379          * always is at least one bit and not accounted for otherwise. */
 380         .slice_data_byte_offset        = (get_bits_count(&h->HEVClc->gb) + 1 + 7) / 8,
 381         .slice_segment_address         = sh->slice_segment_addr,
 382         .slice_qp_delta                = sh->slice_qp_delta,
 383         .slice_cb_qp_offset            = sh->slice_cb_qp_offset,
 384         .slice_cr_qp_offset            = sh->slice_cr_qp_offset,
 385         .slice_beta_offset_div2        = sh->beta_offset / 2,
 386         .slice_tc_offset_div2          = sh->tc_offset / 2,
 387         .collocated_ref_idx            = sh->slice_temporal_mvp_enabled_flag ? sh->collocated_ref_idx : 0xFF,
 388         .five_minus_max_num_merge_cand = sh->slice_type == HEVC_SLICE_I ? 0 : 5 - sh->max_num_merge_cand,
 389         .num_ref_idx_l0_active_minus1  = sh->nb_refs[L0] ? sh->nb_refs[L0] - 1 : 0,
 390         .num_ref_idx_l1_active_minus1  = sh->nb_refs[L1] ? sh->nb_refs[L1] - 1 : 0,
 391
 392         .LongSliceFlags.fields = {
 393             .dependent_slice_segment_flag                 = sh->dependent_slice_segment_flag,
 394             .slice_type                                   = sh->slice_type,
 395             .color_plane_id                               = sh->colour_plane_id,
 396             .mvd_l1_zero_flag                             = sh->mvd_l1_zero_flag,
 397             .cabac_init_flag                              = sh->cabac_init_flag,
 398             .slice_temporal_mvp_enabled_flag              = sh->slice_temporal_mvp_enabled_flag,
 399             .slice_deblocking_filter_disabled_flag        = sh->disable_deblocking_filter_flag,
 400             .collocated_from_l0_flag                      = sh->collocated_list == L0 ? 1 : 0,
 401             .slice_loop_filter_across_slices_enabled_flag = sh->slice_loop_filter_across_slices_enabled_flag,
 402             .slice_sao_luma_flag                          = sh->slice_sample_adaptive_offset_flag[0],
 403             .slice_sao_chroma_flag                        = sh->slice_sample_adaptive_offset_flag[1],
 404         },
 405     };
 406
 407     memset(pic->last_slice_param.RefPicList, 0xFF, sizeof(pic->last_slice_param.RefPicList));
 408
 409     for (list_idx = 0; list_idx < nb_list; list_idx++) {
 410         RefPicList *rpl = &h->ref->refPicList[list_idx];
 411
 412         for (i = 0; i < rpl->nb_refs; i++)
 413             pic->last_slice_param.RefPicList[list_idx][i] = get_ref_pic_index(h, rpl->ref[i]);
 414     }
 415
 416     fill_pred_weight_table(h, sh, &pic->last_slice_param);
 417
 418     pic->last_buffer = buffer;
 419     pic->last_size   = size;
 420
 421     return 0;
 422 }
 423
 424 const AVHWAccel ff_hevc_vaapi_hwaccel = {
 425     .name                 = "hevc_vaapi",
 426     .type                 = AVMEDIA_TYPE_VIDEO,
 427     .id                   = AV_CODEC_ID_HEVC,
 428     .pix_fmt              = AV_PIX_FMT_VAAPI,
 429     .start_frame          = vaapi_hevc_start_frame,
 430     .end_frame            = vaapi_hevc_end_frame,
 431     .decode_slice         = vaapi_hevc_decode_slice,
 432     .frame_priv_data_size = sizeof(VAAPIDecodePictureHEVC),
 433     .init                 = ff_vaapi_decode_init,
 434     .uninit               = ff_vaapi_decode_uninit,
 435     .frame_params         = ff_vaapi_common_frame_params,
 436     .priv_data_size       = sizeof(VAAPIDecodeContext),
 437     .caps_internal        = HWACCEL_CAP_ASYNC_SAFE,
 438 };