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