git.sesse.net Git - ffmpeg/blob - libavcodec/dxva2_av1.c

   1 /*
   2  * DXVA2 AV1 HW acceleration.
   3  *
   4  * copyright (c) 2020 Hendrik Leppkes
   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 "libavutil/avassert.h"
  24 #include "libavutil/pixdesc.h"
  25
  26 #include "dxva2_internal.h"
  27 #include "av1dec.h"
  28
  29 #define MAX_TILES 256
  30
  31 struct AV1DXVAContext {
  32     FFDXVASharedContext shared;
  33
  34     unsigned int bitstream_allocated;
  35     uint8_t *bitstream_cache;
  36 };
  37
  38 struct av1_dxva2_picture_context {
  39     DXVA_PicParams_AV1    pp;
  40     unsigned              tile_count;
  41     DXVA_Tile_AV1         tiles[MAX_TILES];
  42     uint8_t              *bitstream;
  43     unsigned              bitstream_size;
  44 };
  45
  46 static int get_bit_depth_from_seq(const AV1RawSequenceHeader *seq)
  47 {
  48     if (seq->seq_profile == 2 && seq->color_config.high_bitdepth)
  49         return seq->color_config.twelve_bit ? 12 : 10;
  50     else if (seq->seq_profile <= 2 && seq->color_config.high_bitdepth)
  51         return 10;
  52     else
  53         return 8;
  54 }
  55
  56 static int fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx, const AV1DecContext *h,
  57                                     DXVA_PicParams_AV1 *pp)
  58 {
  59     int i,j, uses_lr;
  60     const AV1RawSequenceHeader *seq = h->raw_seq;
  61     const AV1RawFrameHeader *frame_header = h->raw_frame_header;
  62     const AV1RawFilmGrainParams *film_grain = &h->cur_frame.film_grain;
  63
  64     unsigned char remap_lr_type[4] = { AV1_RESTORE_NONE, AV1_RESTORE_SWITCHABLE, AV1_RESTORE_WIENER, AV1_RESTORE_SGRPROJ };
  65     int apply_grain = !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) && film_grain->apply_grain;
  66
  67     memset(pp, 0, sizeof(*pp));
  68
  69     pp->width  = avctx->width;
  70     pp->height = avctx->height;
  71
  72     pp->max_width  = seq->max_frame_width_minus_1 + 1;
  73     pp->max_height = seq->max_frame_height_minus_1 + 1;
  74
  75     pp->CurrPicTextureIndex = ff_dxva2_get_surface_index(avctx, ctx, h->cur_frame.tf.f);
  76     pp->superres_denom      = frame_header->use_superres ? frame_header->coded_denom : AV1_SUPERRES_NUM;
  77     pp->bitdepth            = get_bit_depth_from_seq(seq);
  78     pp->seq_profile         = seq->seq_profile;
  79
  80     /* Tiling info */
  81     pp->tiles.cols = frame_header->tile_cols;
  82     pp->tiles.rows = frame_header->tile_rows;
  83     pp->tiles.context_update_id = frame_header->context_update_tile_id;
  84
  85     for (i = 0; i < pp->tiles.cols; i++)
  86         pp->tiles.widths[i] = frame_header->width_in_sbs_minus_1[i] + 1;
  87
  88     for (i = 0; i < pp->tiles.rows; i++)
  89         pp->tiles.heights[i] = frame_header->height_in_sbs_minus_1[i] + 1;
  90
  91     /* Coding tools */
  92     pp->coding.use_128x128_superblock       = seq->use_128x128_superblock;
  93     pp->coding.intra_edge_filter            = seq->enable_intra_edge_filter;
  94     pp->coding.interintra_compound          = seq->enable_interintra_compound;
  95     pp->coding.masked_compound              = seq->enable_masked_compound;
  96     pp->coding.warped_motion                = frame_header->allow_warped_motion;
  97     pp->coding.dual_filter                  = seq->enable_dual_filter;
  98     pp->coding.jnt_comp                     = seq->enable_jnt_comp;
  99     pp->coding.screen_content_tools         = frame_header->allow_screen_content_tools;
 100     pp->coding.integer_mv                   = frame_header->force_integer_mv || !(frame_header->frame_type & 1);
 101     pp->coding.cdef                         = seq->enable_cdef;
 102     pp->coding.restoration                  = seq->enable_restoration;
 103     pp->coding.film_grain                   = seq->film_grain_params_present && !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN);
 104     pp->coding.intrabc                      = frame_header->allow_intrabc;
 105     pp->coding.high_precision_mv            = frame_header->allow_high_precision_mv;
 106     pp->coding.switchable_motion_mode       = frame_header->is_motion_mode_switchable;
 107     pp->coding.filter_intra                 = seq->enable_filter_intra;
 108     pp->coding.disable_frame_end_update_cdf = frame_header->disable_frame_end_update_cdf;
 109     pp->coding.disable_cdf_update           = frame_header->disable_cdf_update;
 110     pp->coding.reference_mode               = frame_header->reference_select;
 111     pp->coding.skip_mode                    = frame_header->skip_mode_present;
 112     pp->coding.reduced_tx_set               = frame_header->reduced_tx_set;
 113     pp->coding.superres                     = frame_header->use_superres;
 114     pp->coding.tx_mode                      = frame_header->tx_mode;
 115     pp->coding.use_ref_frame_mvs            = frame_header->use_ref_frame_mvs;
 116     pp->coding.enable_ref_frame_mvs         = seq->enable_ref_frame_mvs;
 117     pp->coding.reference_frame_update       = 1; // 0 for show_existing_frame with key frames, but those are not passed to the hwaccel
 118
 119     /* Format & Picture Info flags */
 120     pp->format.frame_type     = frame_header->frame_type;
 121     pp->format.show_frame     = frame_header->show_frame;
 122     pp->format.showable_frame = frame_header->showable_frame;
 123     pp->format.subsampling_x  = seq->color_config.subsampling_x;
 124     pp->format.subsampling_y  = seq->color_config.subsampling_y;
 125     pp->format.mono_chrome    = seq->color_config.mono_chrome;
 126
 127     /* References */
 128     pp->primary_ref_frame = frame_header->primary_ref_frame;
 129     pp->order_hint        = frame_header->order_hint;
 130     pp->order_hint_bits   = seq->enable_order_hint ? seq->order_hint_bits_minus_1 + 1 : 0;
 131
 132     memset(pp->RefFrameMapTextureIndex, 0xFF, sizeof(pp->RefFrameMapTextureIndex));
 133     for (i = 0; i < AV1_REFS_PER_FRAME; i++) {
 134         int8_t ref_idx = frame_header->ref_frame_idx[i];
 135         AVFrame *ref_frame = h->ref[ref_idx].tf.f;
 136
 137         pp->frame_refs[i].width  = ref_frame->width;
 138         pp->frame_refs[i].height = ref_frame->height;
 139         pp->frame_refs[i].Index  = ref_frame->buf[0] ? ref_idx : 0xFF;
 140
 141         /* Global Motion */
 142         pp->frame_refs[i].wminvalid = (h->cur_frame.gm_type[AV1_REF_FRAME_LAST + i] == AV1_WARP_MODEL_IDENTITY);
 143         pp->frame_refs[i].wmtype    = h->cur_frame.gm_type[AV1_REF_FRAME_LAST + i];
 144         for (j = 0; j < 6; ++j) {
 145              pp->frame_refs[i].wmmat[j] = h->cur_frame.gm_params[AV1_REF_FRAME_LAST + i][j];
 146         }
 147     }
 148     for (i = 0; i < AV1_NUM_REF_FRAMES; i++) {
 149         AVFrame *ref_frame = h->ref[i].tf.f;
 150         if (ref_frame->buf[0])
 151             pp->RefFrameMapTextureIndex[i] = ff_dxva2_get_surface_index(avctx, ctx, ref_frame);
 152     }
 153
 154     /* Loop filter parameters */
 155     pp->loop_filter.filter_level[0]        = frame_header->loop_filter_level[0];
 156     pp->loop_filter.filter_level[1]        = frame_header->loop_filter_level[1];
 157     pp->loop_filter.filter_level_u         = frame_header->loop_filter_level[2];
 158     pp->loop_filter.filter_level_v         = frame_header->loop_filter_level[3];
 159     pp->loop_filter.sharpness_level        = frame_header->loop_filter_sharpness;
 160     pp->loop_filter.mode_ref_delta_enabled = frame_header->loop_filter_delta_enabled;
 161     pp->loop_filter.mode_ref_delta_update  = frame_header->loop_filter_delta_update;
 162     pp->loop_filter.delta_lf_multi         = frame_header->delta_lf_multi;
 163     pp->loop_filter.delta_lf_present       = frame_header->delta_lf_present;
 164     pp->loop_filter.delta_lf_res           = frame_header->delta_lf_res;
 165
 166     for (i = 0; i < AV1_TOTAL_REFS_PER_FRAME; i++) {
 167         pp->loop_filter.ref_deltas[i] = frame_header->loop_filter_ref_deltas[i];
 168     }
 169
 170     pp->loop_filter.mode_deltas[0]                = frame_header->loop_filter_mode_deltas[0];
 171     pp->loop_filter.mode_deltas[1]                = frame_header->loop_filter_mode_deltas[1];
 172     pp->loop_filter.frame_restoration_type[0]     = remap_lr_type[frame_header->lr_type[0]];
 173     pp->loop_filter.frame_restoration_type[1]     = remap_lr_type[frame_header->lr_type[1]];
 174     pp->loop_filter.frame_restoration_type[2]     = remap_lr_type[frame_header->lr_type[2]];
 175     uses_lr = frame_header->lr_type[0] || frame_header->lr_type[1] || frame_header->lr_type[2];
 176     pp->loop_filter.log2_restoration_unit_size[0] = uses_lr ? (6 + frame_header->lr_unit_shift) : 8;
 177     pp->loop_filter.log2_restoration_unit_size[1] = uses_lr ? (6 + frame_header->lr_unit_shift - frame_header->lr_uv_shift) : 8;
 178     pp->loop_filter.log2_restoration_unit_size[2] = uses_lr ? (6 + frame_header->lr_unit_shift - frame_header->lr_uv_shift) : 8;
 179
 180     /* Quantization */
 181     pp->quantization.delta_q_present = frame_header->delta_q_present;
 182     pp->quantization.delta_q_res     = frame_header->delta_q_res;
 183     pp->quantization.base_qindex     = frame_header->base_q_idx;
 184     pp->quantization.y_dc_delta_q    = frame_header->delta_q_y_dc;
 185     pp->quantization.u_dc_delta_q    = frame_header->delta_q_u_dc;
 186     pp->quantization.v_dc_delta_q    = frame_header->delta_q_v_dc;
 187     pp->quantization.u_ac_delta_q    = frame_header->delta_q_u_ac;
 188     pp->quantization.v_ac_delta_q    = frame_header->delta_q_v_ac;
 189     pp->quantization.qm_y            = frame_header->using_qmatrix ? frame_header->qm_y : 0xFF;
 190     pp->quantization.qm_u            = frame_header->using_qmatrix ? frame_header->qm_u : 0xFF;
 191     pp->quantization.qm_v            = frame_header->using_qmatrix ? frame_header->qm_v : 0xFF;
 192
 193     /* Cdef parameters */
 194     pp->cdef.damping = frame_header->cdef_damping_minus_3;
 195     pp->cdef.bits    = frame_header->cdef_bits;
 196     for (i = 0; i < 8; i++) {
 197         pp->cdef.y_strengths[i].primary    = frame_header->cdef_y_pri_strength[i];
 198         pp->cdef.y_strengths[i].secondary  = frame_header->cdef_y_sec_strength[i];
 199         pp->cdef.uv_strengths[i].primary   = frame_header->cdef_uv_pri_strength[i];
 200         pp->cdef.uv_strengths[i].secondary = frame_header->cdef_uv_sec_strength[i];
 201     }
 202
 203     /* Misc flags */
 204     pp->interp_filter = frame_header->interpolation_filter;
 205
 206     /* Segmentation */
 207     pp->segmentation.enabled         = frame_header->segmentation_enabled;
 208     pp->segmentation.update_map      = frame_header->segmentation_update_map;
 209     pp->segmentation.update_data     = frame_header->segmentation_update_data;
 210     pp->segmentation.temporal_update = frame_header->segmentation_temporal_update;
 211     for (i = 0; i < AV1_MAX_SEGMENTS; i++) {
 212         for (j = 0; j < AV1_SEG_LVL_MAX; j++) {
 213             pp->segmentation.feature_mask[i].mask |= frame_header->feature_enabled[i][j] << j;
 214             pp->segmentation.feature_data[i][j]    = frame_header->feature_value[i][j];
 215         }
 216     }
 217
 218     /* Film grain */
 219     if (apply_grain) {
 220         pp->film_grain.apply_grain              = 1;
 221         pp->film_grain.scaling_shift_minus8     = film_grain->grain_scaling_minus_8;
 222         pp->film_grain.chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma;
 223         pp->film_grain.ar_coeff_lag             = film_grain->ar_coeff_lag;
 224         pp->film_grain.ar_coeff_shift_minus6    = film_grain->ar_coeff_shift_minus_6;
 225         pp->film_grain.grain_scale_shift        = film_grain->grain_scale_shift;
 226         pp->film_grain.overlap_flag             = film_grain->overlap_flag;
 227         pp->film_grain.clip_to_restricted_range = film_grain->clip_to_restricted_range;
 228         pp->film_grain.matrix_coeff_is_identity = (seq->color_config.matrix_coefficients == AVCOL_SPC_RGB);
 229
 230         pp->film_grain.grain_seed               = film_grain->grain_seed;
 231         pp->film_grain.num_y_points             = film_grain->num_y_points;
 232         for (i = 0; i < film_grain->num_y_points; i++) {
 233             pp->film_grain.scaling_points_y[i][0] = film_grain->point_y_value[i];
 234             pp->film_grain.scaling_points_y[i][1] = film_grain->point_y_scaling[i];
 235         }
 236         pp->film_grain.num_cb_points            = film_grain->num_cb_points;
 237         for (i = 0; i < film_grain->num_cb_points; i++) {
 238             pp->film_grain.scaling_points_cb[i][0] = film_grain->point_cb_value[i];
 239             pp->film_grain.scaling_points_cb[i][1] = film_grain->point_cb_scaling[i];
 240         }
 241         pp->film_grain.num_cr_points            = film_grain->num_cr_points;
 242         for (i = 0; i < film_grain->num_cr_points; i++) {
 243             pp->film_grain.scaling_points_cr[i][0] = film_grain->point_cr_value[i];
 244             pp->film_grain.scaling_points_cr[i][1] = film_grain->point_cr_scaling[i];
 245         }
 246         for (i = 0; i < 24; i++) {
 247             pp->film_grain.ar_coeffs_y[i] = film_grain->ar_coeffs_y_plus_128[i];
 248         }
 249         for (i = 0; i < 25; i++) {
 250             pp->film_grain.ar_coeffs_cb[i] = film_grain->ar_coeffs_cb_plus_128[i];
 251             pp->film_grain.ar_coeffs_cr[i] = film_grain->ar_coeffs_cr_plus_128[i];
 252         }
 253         pp->film_grain.cb_mult      = film_grain->cb_mult;
 254         pp->film_grain.cb_luma_mult = film_grain->cb_luma_mult;
 255         pp->film_grain.cr_mult      = film_grain->cr_mult;
 256         pp->film_grain.cr_luma_mult = film_grain->cr_luma_mult;
 257         pp->film_grain.cb_offset    = film_grain->cb_offset;
 258         pp->film_grain.cr_offset    = film_grain->cr_offset;
 259         pp->film_grain.cr_offset    = film_grain->cr_offset;
 260     }
 261
 262     // XXX: Setting the StatusReportFeedbackNumber breaks decoding on some drivers (tested on NVIDIA 457.09)
 263     // Status Reporting is not used by FFmpeg, hence not providing a number does not cause any issues
 264     //pp->StatusReportFeedbackNumber = 1 + DXVA_CONTEXT_REPORT_ID(avctx, ctx)++;
 265     return 0;
 266 }
 267
 268 static int dxva2_av1_start_frame(AVCodecContext *avctx,
 269                                  av_unused const uint8_t *buffer,
 270                                  av_unused uint32_t size)
 271 {
 272     const AV1DecContext *h = avctx->priv_data;
 273     AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
 274     struct av1_dxva2_picture_context *ctx_pic = h->cur_frame.hwaccel_picture_private;
 275
 276     if (!DXVA_CONTEXT_VALID(avctx, ctx))
 277         return -1;
 278     av_assert0(ctx_pic);
 279
 280     /* Fill up DXVA_PicParams_AV1 */
 281     if (fill_picture_parameters(avctx, ctx, h, &ctx_pic->pp) < 0)
 282         return -1;
 283
 284     ctx_pic->bitstream_size = 0;
 285     ctx_pic->bitstream      = NULL;
 286     return 0;
 287 }
 288
 289 static int dxva2_av1_decode_slice(AVCodecContext *avctx,
 290                                   const uint8_t *buffer,
 291                                   uint32_t size)
 292 {
 293     const AV1DecContext *h = avctx->priv_data;
 294     const AV1RawFrameHeader *frame_header = h->raw_frame_header;
 295     struct av1_dxva2_picture_context *ctx_pic = h->cur_frame.hwaccel_picture_private;
 296     struct AV1DXVAContext *ctx = avctx->internal->hwaccel_priv_data;
 297     void *tmp;
 298
 299     ctx_pic->tile_count = frame_header->tile_cols * frame_header->tile_rows;
 300
 301     /* too many tiles, exceeding all defined levels in the AV1 spec */
 302     if (ctx_pic->tile_count > MAX_TILES)
 303         return AVERROR(ENOSYS);
 304
 305     /* Shortcut if all tiles are in the same buffer */
 306     if (ctx_pic->tile_count == h->tg_end - h->tg_start + 1) {
 307         ctx_pic->bitstream = (uint8_t *)buffer;
 308         ctx_pic->bitstream_size = size;
 309
 310         for (uint32_t tile_num = 0; tile_num < ctx_pic->tile_count; tile_num++) {
 311             ctx_pic->tiles[tile_num].DataOffset   = h->tile_group_info[tile_num].tile_offset;
 312             ctx_pic->tiles[tile_num].DataSize     = h->tile_group_info[tile_num].tile_size;
 313             ctx_pic->tiles[tile_num].row          = h->tile_group_info[tile_num].tile_row;
 314             ctx_pic->tiles[tile_num].column       = h->tile_group_info[tile_num].tile_column;
 315             ctx_pic->tiles[tile_num].anchor_frame = 0xFF;
 316         }
 317
 318         return 0;
 319     }
 320
 321     /* allocate an internal buffer */
 322     tmp = av_fast_realloc(ctx->bitstream_cache, &ctx->bitstream_allocated,
 323                           ctx_pic->bitstream_size + size);
 324     if (!tmp) {
 325         return AVERROR(ENOMEM);
 326     }
 327     ctx_pic->bitstream = ctx->bitstream_cache = tmp;
 328
 329     memcpy(ctx_pic->bitstream + ctx_pic->bitstream_size, buffer, size);
 330
 331     for (uint32_t tile_num = h->tg_start; tile_num <= h->tg_end; tile_num++) {
 332         ctx_pic->tiles[tile_num].DataOffset   = ctx_pic->bitstream_size + h->tile_group_info[tile_num].tile_offset;
 333         ctx_pic->tiles[tile_num].DataSize     = h->tile_group_info[tile_num].tile_size;
 334         ctx_pic->tiles[tile_num].row          = h->tile_group_info[tile_num].tile_row;
 335         ctx_pic->tiles[tile_num].column       = h->tile_group_info[tile_num].tile_column;
 336         ctx_pic->tiles[tile_num].anchor_frame = 0xFF;
 337     }
 338
 339     ctx_pic->bitstream_size += size;
 340
 341     return 0;
 342 }
 343
 344 static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
 345                                              DECODER_BUFFER_DESC *bs,
 346                                              DECODER_BUFFER_DESC *sc)
 347 {
 348     const AV1DecContext *h = avctx->priv_data;
 349     AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
 350     struct av1_dxva2_picture_context *ctx_pic = h->cur_frame.hwaccel_picture_private;
 351     void     *dxva_data_ptr;
 352     uint8_t  *dxva_data;
 353     unsigned dxva_size;
 354     unsigned padding;
 355     unsigned type;
 356
 357 #if CONFIG_D3D11VA
 358     if (ff_dxva2_is_d3d11(avctx)) {
 359         type = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM;
 360         if (FAILED(ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
 361                                                        D3D11VA_CONTEXT(ctx)->decoder,
 362                                                        type,
 363                                                        &dxva_size, &dxva_data_ptr)))
 364             return -1;
 365     }
 366 #endif
 367 #if CONFIG_DXVA2
 368     if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
 369         type = DXVA2_BitStreamDateBufferType;
 370         if (FAILED(IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder,
 371                                                   type,
 372                                                   &dxva_data_ptr, &dxva_size)))
 373             return -1;
 374     }
 375 #endif
 376
 377     dxva_data = dxva_data_ptr;
 378
 379     if (ctx_pic->bitstream_size > dxva_size) {
 380         av_log(avctx, AV_LOG_ERROR, "Bitstream size exceeds hardware buffer");
 381         return -1;
 382     }
 383
 384     memcpy(dxva_data, ctx_pic->bitstream, ctx_pic->bitstream_size);
 385
 386     padding = FFMIN(128 - ((ctx_pic->bitstream_size) & 127), dxva_size - ctx_pic->bitstream_size);
 387     if (padding > 0) {
 388         memset(dxva_data + ctx_pic->bitstream_size, 0, padding);
 389         ctx_pic->bitstream_size += padding;
 390     }
 391
 392 #if CONFIG_D3D11VA
 393     if (ff_dxva2_is_d3d11(avctx))
 394         if (FAILED(ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type)))
 395             return -1;
 396 #endif
 397 #if CONFIG_DXVA2
 398     if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
 399         if (FAILED(IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type)))
 400             return -1;
 401 #endif
 402
 403 #if CONFIG_D3D11VA
 404     if (ff_dxva2_is_d3d11(avctx)) {
 405         D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = bs;
 406         memset(dsc11, 0, sizeof(*dsc11));
 407         dsc11->BufferType           = type;
 408         dsc11->DataSize             = ctx_pic->bitstream_size;
 409         dsc11->NumMBsInBuffer       = 0;
 410
 411         type = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL;
 412     }
 413 #endif
 414 #if CONFIG_DXVA2
 415     if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
 416         DXVA2_DecodeBufferDesc *dsc2 = bs;
 417         memset(dsc2, 0, sizeof(*dsc2));
 418         dsc2->CompressedBufferType = type;
 419         dsc2->DataSize             = ctx_pic->bitstream_size;
 420         dsc2->NumMBsInBuffer       = 0;
 421
 422         type = DXVA2_SliceControlBufferType;
 423     }
 424 #endif
 425
 426     return ff_dxva2_commit_buffer(avctx, ctx, sc, type,
 427                                   ctx_pic->tiles, sizeof(*ctx_pic->tiles) * ctx_pic->tile_count, 0);
 428 }
 429
 430 static int dxva2_av1_end_frame(AVCodecContext *avctx)
 431 {
 432     const AV1DecContext *h = avctx->priv_data;
 433     struct av1_dxva2_picture_context *ctx_pic = h->cur_frame.hwaccel_picture_private;
 434     int ret;
 435
 436     if (ctx_pic->bitstream_size <= 0)
 437         return -1;
 438
 439     ret = ff_dxva2_common_end_frame(avctx, h->cur_frame.tf.f,
 440                                     &ctx_pic->pp, sizeof(ctx_pic->pp),
 441                                     NULL, 0,
 442                                     commit_bitstream_and_slice_buffer);
 443
 444     return ret;
 445 }
 446
 447 static int dxva2_av1_uninit(AVCodecContext *avctx)
 448 {
 449     struct AV1DXVAContext *ctx = avctx->internal->hwaccel_priv_data;
 450
 451     av_freep(&ctx->bitstream_cache);
 452     ctx->bitstream_allocated = 0;
 453
 454     return ff_dxva2_decode_uninit(avctx);
 455 }
 456
 457 #if CONFIG_AV1_DXVA2_HWACCEL
 458 const AVHWAccel ff_av1_dxva2_hwaccel = {
 459     .name           = "av1_dxva2",
 460     .type           = AVMEDIA_TYPE_VIDEO,
 461     .id             = AV_CODEC_ID_AV1,
 462     .pix_fmt        = AV_PIX_FMT_DXVA2_VLD,
 463     .init           = ff_dxva2_decode_init,
 464     .uninit         = dxva2_av1_uninit,
 465     .start_frame    = dxva2_av1_start_frame,
 466     .decode_slice   = dxva2_av1_decode_slice,
 467     .end_frame      = dxva2_av1_end_frame,
 468     .frame_params   = ff_dxva2_common_frame_params,
 469     .frame_priv_data_size = sizeof(struct av1_dxva2_picture_context),
 470     .priv_data_size = sizeof(struct AV1DXVAContext),
 471 };
 472 #endif
 473
 474 #if CONFIG_AV1_D3D11VA_HWACCEL
 475 const AVHWAccel ff_av1_d3d11va_hwaccel = {
 476     .name           = "av1_d3d11va",
 477     .type           = AVMEDIA_TYPE_VIDEO,
 478     .id             = AV_CODEC_ID_AV1,
 479     .pix_fmt        = AV_PIX_FMT_D3D11VA_VLD,
 480     .init           = ff_dxva2_decode_init,
 481     .uninit         = dxva2_av1_uninit,
 482     .start_frame    = dxva2_av1_start_frame,
 483     .decode_slice   = dxva2_av1_decode_slice,
 484     .end_frame      = dxva2_av1_end_frame,
 485     .frame_params   = ff_dxva2_common_frame_params,
 486     .frame_priv_data_size = sizeof(struct av1_dxva2_picture_context),
 487     .priv_data_size = sizeof(struct AV1DXVAContext),
 488 };
 489 #endif
 490
 491 #if CONFIG_AV1_D3D11VA2_HWACCEL
 492 const AVHWAccel ff_av1_d3d11va2_hwaccel = {
 493     .name           = "av1_d3d11va2",
 494     .type           = AVMEDIA_TYPE_VIDEO,
 495     .id             = AV_CODEC_ID_AV1,
 496     .pix_fmt        = AV_PIX_FMT_D3D11,
 497     .init           = ff_dxva2_decode_init,
 498     .uninit         = dxva2_av1_uninit,
 499     .start_frame    = dxva2_av1_start_frame,
 500     .decode_slice   = dxva2_av1_decode_slice,
 501     .end_frame      = dxva2_av1_end_frame,
 502     .frame_params   = ff_dxva2_common_frame_params,
 503     .frame_priv_data_size = sizeof(struct av1_dxva2_picture_context),
 504     .priv_data_size = sizeof(struct AV1DXVAContext),
 505 };
 506 #endif