git.sesse.net Git - ffmpeg/blob - libavcodec/vaapi_encode_h265.c

   1 /*
   2  * This file is part of FFmpeg.
   3  *
   4  * FFmpeg is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * FFmpeg is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with FFmpeg; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 #include <string.h>
  20
  21 #include <va/va.h>
  22 #include <va/va_enc_hevc.h>
  23
  24 #include "libavutil/avassert.h"
  25 #include "libavutil/common.h"
  26 #include "libavutil/opt.h"
  27
  28 #include "avcodec.h"
  29 #include "cbs.h"
  30 #include "cbs_h265.h"
  31 #include "hevc.h"
  32 #include "internal.h"
  33 #include "put_bits.h"
  34 #include "vaapi_encode.h"
  35
  36
  37 typedef struct VAAPIEncodeH265Context {
  38     unsigned int ctu_width;
  39     unsigned int ctu_height;
  40
  41     int fixed_qp_idr;
  42     int fixed_qp_p;
  43     int fixed_qp_b;
  44
  45     H265RawAUD aud;
  46     H265RawVPS vps;
  47     H265RawSPS sps;
  48     H265RawPPS pps;
  49     H265RawSlice slice;
  50
  51     int64_t last_idr_frame;
  52     int pic_order_cnt;
  53
  54     int slice_nal_unit;
  55     int slice_type;
  56     int pic_type;
  57
  58     CodedBitstreamContext *cbc;
  59     CodedBitstreamFragment current_access_unit;
  60     int aud_needed;
  61 } VAAPIEncodeH265Context;
  62
  63 typedef struct VAAPIEncodeH265Options {
  64     int qp;
  65     int aud;
  66     int profile;
  67     int level;
  68 } VAAPIEncodeH265Options;
  69
  70
  71 static int vaapi_encode_h265_write_access_unit(AVCodecContext *avctx,
  72                                                char *data, size_t *data_len,
  73                                                CodedBitstreamFragment *au)
  74 {
  75     VAAPIEncodeContext      *ctx = avctx->priv_data;
  76     VAAPIEncodeH265Context *priv = ctx->priv_data;
  77     int err;
  78
  79     err = ff_cbs_write_fragment_data(priv->cbc, au);
  80     if (err < 0) {
  81         av_log(avctx, AV_LOG_ERROR, "Failed to write packed header.\n");
  82         return err;
  83     }
  84
  85     if (*data_len < 8 * au->data_size - au->data_bit_padding) {
  86         av_log(avctx, AV_LOG_ERROR, "Access unit too large: "
  87                "%zu < %zu.\n", *data_len,
  88                8 * au->data_size - au->data_bit_padding);
  89         return AVERROR(ENOSPC);
  90     }
  91
  92     memcpy(data, au->data, au->data_size);
  93     *data_len = 8 * au->data_size - au->data_bit_padding;
  94
  95     return 0;
  96 }
  97
  98 static int vaapi_encode_h265_add_nal(AVCodecContext *avctx,
  99                                      CodedBitstreamFragment *au,
 100                                      void *nal_unit)
 101 {
 102     VAAPIEncodeContext      *ctx = avctx->priv_data;
 103     VAAPIEncodeH265Context *priv = ctx->priv_data;
 104     H265RawNALUnitHeader *header = nal_unit;
 105     int err;
 106
 107     err = ff_cbs_insert_unit_content(priv->cbc, au, -1,
 108                                      header->nal_unit_type, nal_unit);
 109     if (err < 0) {
 110         av_log(avctx, AV_LOG_ERROR, "Failed to add NAL unit: "
 111                "type = %d.\n", header->nal_unit_type);
 112         return err;
 113     }
 114
 115     return 0;
 116 }
 117
 118 static int vaapi_encode_h265_write_sequence_header(AVCodecContext *avctx,
 119                                                    char *data, size_t *data_len)
 120 {
 121     VAAPIEncodeContext      *ctx = avctx->priv_data;
 122     VAAPIEncodeH265Context *priv = ctx->priv_data;
 123     CodedBitstreamFragment   *au = &priv->current_access_unit;
 124     int err;
 125
 126     if (priv->aud_needed) {
 127         err = vaapi_encode_h265_add_nal(avctx, au, &priv->aud);
 128         if (err < 0)
 129             goto fail;
 130         priv->aud_needed = 0;
 131     }
 132
 133     err = vaapi_encode_h265_add_nal(avctx, au, &priv->vps);
 134     if (err < 0)
 135         goto fail;
 136
 137     err = vaapi_encode_h265_add_nal(avctx, au, &priv->sps);
 138     if (err < 0)
 139         goto fail;
 140
 141     err = vaapi_encode_h265_add_nal(avctx, au, &priv->pps);
 142     if (err < 0)
 143         goto fail;
 144
 145     err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
 146 fail:
 147     ff_cbs_fragment_uninit(priv->cbc, au);
 148     return err;
 149 }
 150
 151 static int vaapi_encode_h265_write_slice_header(AVCodecContext *avctx,
 152                                                 VAAPIEncodePicture *pic,
 153                                                 VAAPIEncodeSlice *slice,
 154                                                 char *data, size_t *data_len)
 155 {
 156     VAAPIEncodeContext      *ctx = avctx->priv_data;
 157     VAAPIEncodeH265Context *priv = ctx->priv_data;
 158     CodedBitstreamFragment   *au = &priv->current_access_unit;
 159     int err;
 160
 161     if (priv->aud_needed) {
 162         err = vaapi_encode_h265_add_nal(avctx, au, &priv->aud);
 163         if (err < 0)
 164             goto fail;
 165         priv->aud_needed = 0;
 166     }
 167
 168     err = vaapi_encode_h265_add_nal(avctx, au, &priv->slice);
 169     if (err < 0)
 170         goto fail;
 171
 172     err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
 173 fail:
 174     ff_cbs_fragment_uninit(priv->cbc, au);
 175     return err;
 176 }
 177
 178 static int vaapi_encode_h265_init_sequence_params(AVCodecContext *avctx)
 179 {
 180     VAAPIEncodeContext                *ctx = avctx->priv_data;
 181     VAAPIEncodeH265Context           *priv = ctx->priv_data;
 182     H265RawVPS                        *vps = &priv->vps;
 183     H265RawSPS                        *sps = &priv->sps;
 184     H265RawPPS                        *pps = &priv->pps;
 185     H265RawVUI                        *vui = &sps->vui;
 186     VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params;
 187     VAEncPictureParameterBufferHEVC  *vpic = ctx->codec_picture_params;
 188     int i;
 189
 190     memset(&priv->current_access_unit, 0,
 191            sizeof(priv->current_access_unit));
 192
 193     memset(vps, 0, sizeof(*vps));
 194     memset(sps, 0, sizeof(*sps));
 195     memset(pps, 0, sizeof(*pps));
 196
 197
 198     // VPS
 199
 200     vps->nal_unit_header = (H265RawNALUnitHeader) {
 201         .nal_unit_type         = HEVC_NAL_VPS,
 202         .nuh_layer_id          = 0,
 203         .nuh_temporal_id_plus1 = 1,
 204     };
 205
 206     vps->vps_video_parameter_set_id = 0;
 207
 208     vps->vps_base_layer_internal_flag  = 1;
 209     vps->vps_base_layer_available_flag = 1;
 210     vps->vps_max_layers_minus1         = 0;
 211     vps->vps_max_sub_layers_minus1     = 0;
 212     vps->vps_temporal_id_nesting_flag  = 1;
 213
 214     vps->profile_tier_level = (H265RawProfileTierLevel) {
 215         .general_profile_space = 0,
 216         .general_profile_idc   = avctx->profile,
 217         .general_tier_flag     = 0,
 218
 219         .general_progressive_source_flag    = 1,
 220         .general_interlaced_source_flag     = 0,
 221         .general_non_packed_constraint_flag = 1,
 222         .general_frame_only_constraint_flag = 1,
 223
 224         .general_level_idc     = avctx->level,
 225     };
 226     vps->profile_tier_level.general_profile_compatibility_flag[avctx->profile & 31] = 1;
 227
 228     vps->vps_sub_layer_ordering_info_present_flag = 0;
 229     vps->vps_max_dec_pic_buffering_minus1[0]      = (ctx->b_per_p > 0) + 1;
 230     vps->vps_max_num_reorder_pics[0]              = (ctx->b_per_p > 0);
 231     vps->vps_max_latency_increase_plus1[0]        = 0;
 232
 233     vps->vps_max_layer_id             = 0;
 234     vps->vps_num_layer_sets_minus1    = 0;
 235     vps->layer_id_included_flag[0][0] = 1;
 236
 237     vps->vps_timing_info_present_flag = 1;
 238     if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
 239         vps->vps_num_units_in_tick  = avctx->framerate.den;
 240         vps->vps_time_scale         = avctx->framerate.num;
 241         vps->vps_poc_proportional_to_timing_flag = 1;
 242         vps->vps_num_ticks_poc_diff_one_minus1   = 0;
 243     } else {
 244         vps->vps_num_units_in_tick  = avctx->time_base.num;
 245         vps->vps_time_scale         = avctx->time_base.den;
 246         vps->vps_poc_proportional_to_timing_flag = 0;
 247     }
 248     vps->vps_num_hrd_parameters = 0;
 249
 250
 251     // SPS
 252
 253     sps->nal_unit_header = (H265RawNALUnitHeader) {
 254         .nal_unit_type         = HEVC_NAL_SPS,
 255         .nuh_layer_id          = 0,
 256         .nuh_temporal_id_plus1 = 1,
 257     };
 258
 259     sps->sps_video_parameter_set_id = vps->vps_video_parameter_set_id;
 260
 261     sps->sps_max_sub_layers_minus1    = vps->vps_max_sub_layers_minus1;
 262     sps->sps_temporal_id_nesting_flag = vps->vps_temporal_id_nesting_flag;
 263
 264     sps->profile_tier_level = vps->profile_tier_level;
 265
 266     sps->sps_seq_parameter_set_id = 0;
 267
 268     sps->chroma_format_idc          = 1; // YUV 4:2:0.
 269     sps->separate_colour_plane_flag = 0;
 270
 271     sps->pic_width_in_luma_samples  = ctx->surface_width;
 272     sps->pic_height_in_luma_samples = ctx->surface_height;
 273
 274     if (avctx->width  != ctx->surface_width ||
 275         avctx->height != ctx->surface_height) {
 276         sps->conformance_window_flag = 1;
 277         sps->conf_win_left_offset   = 0;
 278         sps->conf_win_right_offset  =
 279             (ctx->surface_width - avctx->width) / 2;
 280         sps->conf_win_top_offset    = 0;
 281         sps->conf_win_bottom_offset =
 282             (ctx->surface_height - avctx->height) / 2;
 283     } else {
 284         sps->conformance_window_flag = 0;
 285     }
 286
 287     sps->bit_depth_luma_minus8 =
 288         avctx->profile == FF_PROFILE_HEVC_MAIN_10 ? 2 : 0;
 289     sps->bit_depth_chroma_minus8 = sps->bit_depth_luma_minus8;
 290
 291     sps->log2_max_pic_order_cnt_lsb_minus4 = 8;
 292
 293     sps->sps_sub_layer_ordering_info_present_flag =
 294         vps->vps_sub_layer_ordering_info_present_flag;
 295     for (i = 0; i <= sps->sps_max_sub_layers_minus1; i++) {
 296         sps->sps_max_dec_pic_buffering_minus1[i] =
 297             vps->vps_max_dec_pic_buffering_minus1[i];
 298         sps->sps_max_num_reorder_pics[i] =
 299             vps->vps_max_num_reorder_pics[i];
 300         sps->sps_max_latency_increase_plus1[i] =
 301             vps->vps_max_latency_increase_plus1[i];
 302     }
 303
 304     // These have to come from the capabilities of the encoder.  We have no
 305     // way to query them, so just hardcode parameters which work on the Intel
 306     // driver.
 307     // CTB size from 8x8 to 32x32.
 308     sps->log2_min_luma_coding_block_size_minus3   = 0;
 309     sps->log2_diff_max_min_luma_coding_block_size = 2;
 310     // Transform size from 4x4 to 32x32.
 311     sps->log2_min_luma_transform_block_size_minus2   = 0;
 312     sps->log2_diff_max_min_luma_transform_block_size = 3;
 313     // Full transform hierarchy allowed (2-5).
 314     sps->max_transform_hierarchy_depth_inter = 3;
 315     sps->max_transform_hierarchy_depth_intra = 3;
 316     // AMP works.
 317     sps->amp_enabled_flag = 1;
 318     // SAO and temporal MVP do not work.
 319     sps->sample_adaptive_offset_enabled_flag = 0;
 320     sps->sps_temporal_mvp_enabled_flag       = 0;
 321
 322     sps->pcm_enabled_flag = 0;
 323
 324     // STRPSs should ideally be here rather than defined individually in
 325     // each slice, but the structure isn't completely fixed so for now
 326     // don't bother.
 327     sps->num_short_term_ref_pic_sets     = 0;
 328     sps->long_term_ref_pics_present_flag = 0;
 329
 330     sps->vui_parameters_present_flag = 1;
 331
 332     if (avctx->sample_aspect_ratio.num != 0 &&
 333         avctx->sample_aspect_ratio.den != 0) {
 334         static const AVRational sar_idc[] = {
 335             {   0,  0 },
 336             {   1,  1 }, {  12, 11 }, {  10, 11 }, {  16, 11 },
 337             {  40, 33 }, {  24, 11 }, {  20, 11 }, {  32, 11 },
 338             {  80, 33 }, {  18, 11 }, {  15, 11 }, {  64, 33 },
 339             { 160, 99 }, {   4,  3 }, {   3,  2 }, {   2,  1 },
 340         };
 341         int i;
 342         for (i = 0; i < FF_ARRAY_ELEMS(sar_idc); i++) {
 343             if (avctx->sample_aspect_ratio.num == sar_idc[i].num &&
 344                 avctx->sample_aspect_ratio.den == sar_idc[i].den) {
 345                 vui->aspect_ratio_idc = i;
 346                 break;
 347             }
 348         }
 349         if (i >= FF_ARRAY_ELEMS(sar_idc)) {
 350             vui->aspect_ratio_idc = 255;
 351             vui->sar_width  = avctx->sample_aspect_ratio.num;
 352             vui->sar_height = avctx->sample_aspect_ratio.den;
 353         }
 354         vui->aspect_ratio_info_present_flag = 1;
 355     }
 356
 357     if (avctx->color_range     != AVCOL_RANGE_UNSPECIFIED ||
 358         avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
 359         avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||
 360         avctx->colorspace      != AVCOL_SPC_UNSPECIFIED) {
 361         vui->video_signal_type_present_flag = 1;
 362         vui->video_format      = 5; // Unspecified.
 363         vui->video_full_range_flag =
 364             avctx->color_range == AVCOL_RANGE_JPEG;
 365
 366         if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
 367             avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||
 368             avctx->colorspace      != AVCOL_SPC_UNSPECIFIED) {
 369             vui->colour_description_present_flag = 1;
 370             vui->colour_primaries         = avctx->color_primaries;
 371             vui->transfer_characteristics = avctx->color_trc;
 372             vui->matrix_coefficients      = avctx->colorspace;
 373         }
 374     } else {
 375         vui->video_format             = 5;
 376         vui->video_full_range_flag    = 0;
 377         vui->colour_primaries         = avctx->color_primaries;
 378         vui->transfer_characteristics = avctx->color_trc;
 379         vui->matrix_coefficients      = avctx->colorspace;
 380     }
 381
 382     if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) {
 383         vui->chroma_loc_info_present_flag = 1;
 384         vui->chroma_sample_loc_type_top_field    =
 385         vui->chroma_sample_loc_type_bottom_field =
 386             avctx->chroma_sample_location - 1;
 387     }
 388
 389     vui->vui_timing_info_present_flag        = 1;
 390     vui->vui_num_units_in_tick               = vps->vps_num_units_in_tick;
 391     vui->vui_time_scale                      = vps->vps_time_scale;
 392     vui->vui_poc_proportional_to_timing_flag = vps->vps_poc_proportional_to_timing_flag;
 393     vui->vui_num_ticks_poc_diff_one_minus1   = vps->vps_num_ticks_poc_diff_one_minus1;
 394     vui->vui_hrd_parameters_present_flag     = 0;
 395
 396     vui->bitstream_restriction_flag    = 1;
 397     vui->motion_vectors_over_pic_boundaries_flag = 1;
 398     vui->restricted_ref_pic_lists_flag = 1;
 399     vui->max_bytes_per_pic_denom       = 0;
 400     vui->max_bits_per_min_cu_denom     = 0;
 401     vui->log2_max_mv_length_horizontal = 15;
 402     vui->log2_max_mv_length_vertical   = 15;
 403
 404
 405     // PPS
 406
 407     pps->nal_unit_header = (H265RawNALUnitHeader) {
 408         .nal_unit_type         = HEVC_NAL_PPS,
 409         .nuh_layer_id          = 0,
 410         .nuh_temporal_id_plus1 = 1,
 411     };
 412
 413     pps->pps_pic_parameter_set_id = 0;
 414     pps->pps_seq_parameter_set_id = sps->sps_seq_parameter_set_id;
 415
 416     pps->num_ref_idx_l0_default_active_minus1 = 0;
 417     pps->num_ref_idx_l1_default_active_minus1 = 0;
 418
 419     pps->init_qp_minus26 = priv->fixed_qp_idr - 26;
 420
 421     pps->cu_qp_delta_enabled_flag = (ctx->va_rc_mode != VA_RC_CQP);
 422     pps->diff_cu_qp_delta_depth   = 0;
 423
 424     pps->pps_loop_filter_across_slices_enabled_flag = 1;
 425
 426
 427     // Fill VAAPI parameter buffers.
 428
 429     *vseq = (VAEncSequenceParameterBufferHEVC) {
 430         .general_profile_idc = vps->profile_tier_level.general_profile_idc,
 431         .general_level_idc   = vps->profile_tier_level.general_level_idc,
 432         .general_tier_flag   = vps->profile_tier_level.general_tier_flag,
 433
 434         .intra_period     = avctx->gop_size,
 435         .intra_idr_period = avctx->gop_size,
 436         .ip_period        = ctx->b_per_p + 1,
 437         .bits_per_second   = avctx->bit_rate,
 438
 439         .pic_width_in_luma_samples  = sps->pic_width_in_luma_samples,
 440         .pic_height_in_luma_samples = sps->pic_height_in_luma_samples,
 441
 442         .seq_fields.bits = {
 443             .chroma_format_idc             = sps->chroma_format_idc,
 444             .separate_colour_plane_flag    = sps->separate_colour_plane_flag,
 445             .bit_depth_luma_minus8         = sps->bit_depth_luma_minus8,
 446             .bit_depth_chroma_minus8       = sps->bit_depth_chroma_minus8,
 447             .scaling_list_enabled_flag     = sps->scaling_list_enabled_flag,
 448             .strong_intra_smoothing_enabled_flag =
 449                 sps->strong_intra_smoothing_enabled_flag,
 450             .amp_enabled_flag              = sps->amp_enabled_flag,
 451             .sample_adaptive_offset_enabled_flag =
 452                 sps->sample_adaptive_offset_enabled_flag,
 453             .pcm_enabled_flag              = sps->pcm_enabled_flag,
 454             .pcm_loop_filter_disabled_flag = sps->pcm_loop_filter_disabled_flag,
 455             .sps_temporal_mvp_enabled_flag = sps->sps_temporal_mvp_enabled_flag,
 456         },
 457
 458         .log2_min_luma_coding_block_size_minus3 =
 459             sps->log2_min_luma_coding_block_size_minus3,
 460         .log2_diff_max_min_luma_coding_block_size =
 461             sps->log2_diff_max_min_luma_coding_block_size,
 462         .log2_min_transform_block_size_minus2 =
 463             sps->log2_min_luma_transform_block_size_minus2,
 464         .log2_diff_max_min_transform_block_size =
 465             sps->log2_diff_max_min_luma_transform_block_size,
 466         .max_transform_hierarchy_depth_inter =
 467             sps->max_transform_hierarchy_depth_inter,
 468         .max_transform_hierarchy_depth_intra =
 469             sps->max_transform_hierarchy_depth_intra,
 470
 471         .pcm_sample_bit_depth_luma_minus1 =
 472             sps->pcm_sample_bit_depth_luma_minus1,
 473         .pcm_sample_bit_depth_chroma_minus1 =
 474             sps->pcm_sample_bit_depth_chroma_minus1,
 475         .log2_min_pcm_luma_coding_block_size_minus3 =
 476             sps->log2_min_pcm_luma_coding_block_size_minus3,
 477         .log2_max_pcm_luma_coding_block_size_minus3 =
 478             sps->log2_min_pcm_luma_coding_block_size_minus3 +
 479             sps->log2_diff_max_min_pcm_luma_coding_block_size,
 480
 481         .vui_parameters_present_flag = 0,
 482     };
 483
 484     *vpic = (VAEncPictureParameterBufferHEVC) {
 485         .decoded_curr_pic = {
 486             .picture_id = VA_INVALID_ID,
 487             .flags      = VA_PICTURE_HEVC_INVALID,
 488         },
 489
 490         .coded_buf = VA_INVALID_ID,
 491
 492         .collocated_ref_pic_index = 0xff,
 493
 494         .last_picture = 0,
 495
 496         .pic_init_qp            = pps->init_qp_minus26 + 26,
 497         .diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth,
 498         .pps_cb_qp_offset       = pps->pps_cb_qp_offset,
 499         .pps_cr_qp_offset       = pps->pps_cr_qp_offset,
 500
 501         .num_tile_columns_minus1 = pps->num_tile_columns_minus1,
 502         .num_tile_rows_minus1    = pps->num_tile_rows_minus1,
 503
 504         .log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level_minus2,
 505         .ctu_max_bitsize_allowed          = 0,
 506
 507         .num_ref_idx_l0_default_active_minus1 =
 508             pps->num_ref_idx_l0_default_active_minus1,
 509         .num_ref_idx_l1_default_active_minus1 =
 510             pps->num_ref_idx_l1_default_active_minus1,
 511
 512         .slice_pic_parameter_set_id = pps->pps_pic_parameter_set_id,
 513
 514         .pic_fields.bits = {
 515             .sign_data_hiding_enabled_flag  = pps->sign_data_hiding_enabled_flag,
 516             .constrained_intra_pred_flag    = pps->constrained_intra_pred_flag,
 517             .transform_skip_enabled_flag    = pps->transform_skip_enabled_flag,
 518             .cu_qp_delta_enabled_flag       = pps->cu_qp_delta_enabled_flag,
 519             .weighted_pred_flag             = pps->weighted_pred_flag,
 520             .weighted_bipred_flag           = pps->weighted_bipred_flag,
 521             .transquant_bypass_enabled_flag = pps->transquant_bypass_enabled_flag,
 522             .tiles_enabled_flag             = pps->tiles_enabled_flag,
 523             .entropy_coding_sync_enabled_flag = pps->entropy_coding_sync_enabled_flag,
 524             .loop_filter_across_tiles_enabled_flag =
 525                 pps->loop_filter_across_tiles_enabled_flag,
 526             .scaling_list_data_present_flag = (sps->sps_scaling_list_data_present_flag |
 527                                                pps->pps_scaling_list_data_present_flag),
 528             .screen_content_flag            = 0,
 529             .enable_gpu_weighted_prediction = 0,
 530             .no_output_of_prior_pics_flag   = 0,
 531         },
 532     };
 533
 534     return 0;
 535 }
 536
 537 static int vaapi_encode_h265_init_picture_params(AVCodecContext *avctx,
 538                                                  VAAPIEncodePicture *pic)
 539 {
 540     VAAPIEncodeContext               *ctx = avctx->priv_data;
 541     VAAPIEncodeH265Context          *priv = ctx->priv_data;
 542     VAAPIEncodeH265Options           *opt = ctx->codec_options;
 543     VAEncPictureParameterBufferHEVC *vpic = pic->codec_picture_params;
 544     int i;
 545
 546     if (pic->type == PICTURE_TYPE_IDR) {
 547         av_assert0(pic->display_order == pic->encode_order);
 548
 549         priv->last_idr_frame = pic->display_order;
 550
 551         priv->slice_nal_unit = HEVC_NAL_IDR_W_RADL;
 552         priv->slice_type     = HEVC_SLICE_I;
 553         priv->pic_type       = 0;
 554     } else {
 555         av_assert0(pic->encode_order > priv->last_idr_frame);
 556
 557         if (pic->type == PICTURE_TYPE_I) {
 558             priv->slice_nal_unit = HEVC_NAL_CRA_NUT;
 559             priv->slice_type     = HEVC_SLICE_I;
 560             priv->pic_type       = 0;
 561         } else if (pic->type == PICTURE_TYPE_P) {
 562             av_assert0(pic->refs[0]);
 563             priv->slice_nal_unit = HEVC_NAL_TRAIL_R;
 564             priv->slice_type     = HEVC_SLICE_P;
 565             priv->pic_type       = 1;
 566         } else {
 567             av_assert0(pic->refs[0] && pic->refs[1]);
 568             if (pic->refs[1]->type == PICTURE_TYPE_I)
 569                 priv->slice_nal_unit = HEVC_NAL_RASL_N;
 570             else
 571                 priv->slice_nal_unit = HEVC_NAL_TRAIL_N;
 572             priv->slice_type = HEVC_SLICE_B;
 573             priv->pic_type   = 2;
 574         }
 575     }
 576     priv->pic_order_cnt = pic->display_order - priv->last_idr_frame;
 577
 578     if (opt->aud) {
 579         priv->aud_needed = 1;
 580         priv->aud.nal_unit_header = (H265RawNALUnitHeader) {
 581             .nal_unit_type         = HEVC_NAL_AUD,
 582             .nuh_layer_id          = 0,
 583             .nuh_temporal_id_plus1 = 1,
 584         };
 585         priv->aud.pic_type = priv->pic_type;
 586     } else {
 587         priv->aud_needed = 0;
 588     }
 589
 590     vpic->decoded_curr_pic = (VAPictureHEVC) {
 591         .picture_id    = pic->recon_surface,
 592         .pic_order_cnt = priv->pic_order_cnt,
 593         .flags         = 0,
 594     };
 595
 596     for (i = 0; i < pic->nb_refs; i++) {
 597         VAAPIEncodePicture *ref = pic->refs[i];
 598         av_assert0(ref && ref->encode_order < pic->encode_order);
 599
 600         vpic->reference_frames[i] = (VAPictureHEVC) {
 601             .picture_id    = ref->recon_surface,
 602             .pic_order_cnt = ref->display_order - priv->last_idr_frame,
 603             .flags = (ref->display_order < pic->display_order ?
 604                       VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE : 0) |
 605                      (ref->display_order > pic->display_order ?
 606                       VA_PICTURE_HEVC_RPS_ST_CURR_AFTER  : 0),
 607         };
 608     }
 609     for (; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++) {
 610         vpic->reference_frames[i] = (VAPictureHEVC) {
 611             .picture_id = VA_INVALID_ID,
 612             .flags      = VA_PICTURE_HEVC_INVALID,
 613         };
 614     }
 615
 616     vpic->coded_buf = pic->output_buffer;
 617
 618     vpic->nal_unit_type = priv->slice_nal_unit;
 619
 620     switch (pic->type) {
 621     case PICTURE_TYPE_IDR:
 622         vpic->pic_fields.bits.idr_pic_flag       = 1;
 623         vpic->pic_fields.bits.coding_type        = 1;
 624         vpic->pic_fields.bits.reference_pic_flag = 1;
 625         break;
 626     case PICTURE_TYPE_I:
 627         vpic->pic_fields.bits.idr_pic_flag       = 0;
 628         vpic->pic_fields.bits.coding_type        = 1;
 629         vpic->pic_fields.bits.reference_pic_flag = 1;
 630         break;
 631     case PICTURE_TYPE_P:
 632         vpic->pic_fields.bits.idr_pic_flag       = 0;
 633         vpic->pic_fields.bits.coding_type        = 2;
 634         vpic->pic_fields.bits.reference_pic_flag = 1;
 635         break;
 636     case PICTURE_TYPE_B:
 637         vpic->pic_fields.bits.idr_pic_flag       = 0;
 638         vpic->pic_fields.bits.coding_type        = 3;
 639         vpic->pic_fields.bits.reference_pic_flag = 0;
 640         break;
 641     default:
 642         av_assert0(0 && "invalid picture type");
 643     }
 644
 645     pic->nb_slices = 1;
 646
 647     return 0;
 648 }
 649
 650 static int vaapi_encode_h265_init_slice_params(AVCodecContext *avctx,
 651                                                VAAPIEncodePicture *pic,
 652                                                VAAPIEncodeSlice *slice)
 653 {
 654     VAAPIEncodeContext                *ctx = avctx->priv_data;
 655     VAAPIEncodeH265Context           *priv = ctx->priv_data;
 656     const H265RawSPS                  *sps = &priv->sps;
 657     const H265RawPPS                  *pps = &priv->pps;
 658     H265RawSliceHeader                 *sh = &priv->slice.header;
 659     VAEncPictureParameterBufferHEVC  *vpic = pic->codec_picture_params;
 660     VAEncSliceParameterBufferHEVC  *vslice = slice->codec_slice_params;
 661     int i;
 662
 663     sh->nal_unit_header = (H265RawNALUnitHeader) {
 664         .nal_unit_type         = priv->slice_nal_unit,
 665         .nuh_layer_id          = 0,
 666         .nuh_temporal_id_plus1 = 1,
 667     };
 668
 669     sh->slice_pic_parameter_set_id      = pps->pps_pic_parameter_set_id;
 670
 671     // Currently we only support one slice per frame.
 672     sh->first_slice_segment_in_pic_flag = 1;
 673     sh->slice_segment_address           = 0;
 674
 675     sh->slice_type = priv->slice_type;
 676
 677     sh->slice_pic_order_cnt_lsb = priv->pic_order_cnt &
 678         (1 << (sps->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1;
 679
 680     if (pic->type != PICTURE_TYPE_IDR) {
 681         H265RawSTRefPicSet *rps;
 682         VAAPIEncodePicture *st;
 683         int used;
 684
 685         sh->short_term_ref_pic_set_sps_flag = 0;
 686
 687         rps = &sh->short_term_ref_pic_set;
 688         memset(rps, 0, sizeof(*rps));
 689
 690         for (st = ctx->pic_start; st; st = st->next) {
 691             if (st->encode_order >= pic->encode_order) {
 692                 // Not yet in DPB.
 693                 continue;
 694             }
 695             used = 0;
 696             for (i = 0; i < pic->nb_refs; i++) {
 697                 if (pic->refs[i] == st)
 698                     used = 1;
 699             }
 700             if (!used) {
 701                 // Usually each picture always uses all of the others in the
 702                 // DPB as references.  The one case we have to treat here is
 703                 // a non-IDR IRAP picture, which may need to hold unused
 704                 // references across itself to be used for the decoding of
 705                 // following RASL pictures.  This looks for such an RASL
 706                 // picture, and keeps the reference if there is one.
 707                 VAAPIEncodePicture *rp;
 708                 for (rp = ctx->pic_start; rp; rp = rp->next) {
 709                     if (rp->encode_order < pic->encode_order)
 710                         continue;
 711                     if (rp->type != PICTURE_TYPE_B)
 712                         continue;
 713                     if (rp->refs[0] == st && rp->refs[1] == pic)
 714                         break;
 715                 }
 716                 if (!rp)
 717                     continue;
 718             }
 719             // This only works for one instance of each (delta_poc_sN_minus1
 720             // is relative to the previous frame in the list, not relative to
 721             // the current frame directly).
 722             if (st->display_order < pic->display_order) {
 723                 rps->delta_poc_s0_minus1[rps->num_negative_pics] =
 724                     pic->display_order - st->display_order - 1;
 725                 rps->used_by_curr_pic_s0_flag[rps->num_negative_pics] = used;
 726                 ++rps->num_negative_pics;
 727             } else {
 728                 rps->delta_poc_s1_minus1[rps->num_positive_pics] =
 729                     st->display_order - pic->display_order - 1;
 730                 rps->used_by_curr_pic_s1_flag[rps->num_positive_pics] = used;
 731                 ++rps->num_positive_pics;
 732             }
 733         }
 734
 735         sh->num_long_term_sps  = 0;
 736         sh->num_long_term_pics = 0;
 737
 738         sh->slice_temporal_mvp_enabled_flag =
 739             sps->sps_temporal_mvp_enabled_flag;
 740         if (sh->slice_temporal_mvp_enabled_flag) {
 741             sh->collocated_from_l0_flag = sh->slice_type == HEVC_SLICE_B;
 742             sh->collocated_ref_idx      = 0;
 743         }
 744
 745         sh->num_ref_idx_active_override_flag = 0;
 746         sh->num_ref_idx_l0_active_minus1 = pps->num_ref_idx_l0_default_active_minus1;
 747         sh->num_ref_idx_l1_active_minus1 = pps->num_ref_idx_l1_default_active_minus1;
 748     }
 749
 750     sh->slice_sao_luma_flag = sh->slice_sao_chroma_flag =
 751         sps->sample_adaptive_offset_enabled_flag;
 752
 753     if (pic->type == PICTURE_TYPE_B)
 754         sh->slice_qp_delta = priv->fixed_qp_b - (pps->init_qp_minus26 + 26);
 755     else if (pic->type == PICTURE_TYPE_P)
 756         sh->slice_qp_delta = priv->fixed_qp_p - (pps->init_qp_minus26 + 26);
 757     else
 758         sh->slice_qp_delta = priv->fixed_qp_idr - (pps->init_qp_minus26 + 26);
 759
 760
 761     *vslice = (VAEncSliceParameterBufferHEVC) {
 762         .slice_segment_address = sh->slice_segment_address,
 763         .num_ctu_in_slice      = priv->ctu_width * priv->ctu_height,
 764
 765         .slice_type                 = sh->slice_type,
 766         .slice_pic_parameter_set_id = sh->slice_pic_parameter_set_id,
 767
 768         .num_ref_idx_l0_active_minus1 = sh->num_ref_idx_l0_active_minus1,
 769         .num_ref_idx_l1_active_minus1 = sh->num_ref_idx_l1_active_minus1,
 770
 771         .luma_log2_weight_denom         = sh->luma_log2_weight_denom,
 772         .delta_chroma_log2_weight_denom = sh->delta_chroma_log2_weight_denom,
 773
 774         .max_num_merge_cand = 5 - sh->five_minus_max_num_merge_cand,
 775
 776         .slice_qp_delta     = sh->slice_qp_delta,
 777         .slice_cb_qp_offset = sh->slice_cb_qp_offset,
 778         .slice_cr_qp_offset = sh->slice_cr_qp_offset,
 779
 780         .slice_beta_offset_div2 = sh->slice_beta_offset_div2,
 781         .slice_tc_offset_div2   = sh->slice_tc_offset_div2,
 782
 783         .slice_fields.bits = {
 784             .last_slice_of_pic_flag       = 1,
 785             .dependent_slice_segment_flag = sh->dependent_slice_segment_flag,
 786             .colour_plane_id              = sh->colour_plane_id,
 787             .slice_temporal_mvp_enabled_flag =
 788                 sh->slice_temporal_mvp_enabled_flag,
 789             .slice_sao_luma_flag          = sh->slice_sao_luma_flag,
 790             .slice_sao_chroma_flag        = sh->slice_sao_chroma_flag,
 791             .num_ref_idx_active_override_flag =
 792                 sh->num_ref_idx_active_override_flag,
 793             .mvd_l1_zero_flag             = sh->mvd_l1_zero_flag,
 794             .cabac_init_flag              = sh->cabac_init_flag,
 795             .slice_deblocking_filter_disabled_flag =
 796                 sh->slice_deblocking_filter_disabled_flag,
 797             .slice_loop_filter_across_slices_enabled_flag =
 798                 sh->slice_loop_filter_across_slices_enabled_flag,
 799             .collocated_from_l0_flag      = sh->collocated_from_l0_flag,
 800         },
 801     };
 802
 803     for (i = 0; i < FF_ARRAY_ELEMS(vslice->ref_pic_list0); i++) {
 804         vslice->ref_pic_list0[i].picture_id = VA_INVALID_ID;
 805         vslice->ref_pic_list0[i].flags      = VA_PICTURE_HEVC_INVALID;
 806         vslice->ref_pic_list1[i].picture_id = VA_INVALID_ID;
 807         vslice->ref_pic_list1[i].flags      = VA_PICTURE_HEVC_INVALID;
 808     }
 809
 810     av_assert0(pic->nb_refs <= 2);
 811     if (pic->nb_refs >= 1) {
 812         // Backward reference for P- or B-frame.
 813         av_assert0(pic->type == PICTURE_TYPE_P ||
 814                    pic->type == PICTURE_TYPE_B);
 815         vslice->ref_pic_list0[0] = vpic->reference_frames[0];
 816     }
 817     if (pic->nb_refs >= 2) {
 818         // Forward reference for B-frame.
 819         av_assert0(pic->type == PICTURE_TYPE_B);
 820         vslice->ref_pic_list1[0] = vpic->reference_frames[1];
 821     }
 822
 823     return 0;
 824 }
 825
 826 static av_cold int vaapi_encode_h265_configure(AVCodecContext *avctx)
 827 {
 828     VAAPIEncodeContext      *ctx = avctx->priv_data;
 829     VAAPIEncodeH265Context *priv = ctx->priv_data;
 830     VAAPIEncodeH265Options  *opt = ctx->codec_options;
 831     int err;
 832
 833     err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_HEVC, avctx);
 834     if (err < 0)
 835         return err;
 836
 837     priv->ctu_width     = FFALIGN(ctx->surface_width,  32) / 32;
 838     priv->ctu_height    = FFALIGN(ctx->surface_height, 32) / 32;
 839
 840     av_log(avctx, AV_LOG_VERBOSE, "Input %ux%u -> Surface %ux%u -> CTU %ux%u.\n",
 841            avctx->width, avctx->height, ctx->surface_width,
 842            ctx->surface_height, priv->ctu_width, priv->ctu_height);
 843
 844     if (ctx->va_rc_mode == VA_RC_CQP) {
 845         priv->fixed_qp_p = opt->qp;
 846         if (avctx->i_quant_factor > 0.0)
 847             priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor +
 848                                         avctx->i_quant_offset) + 0.5);
 849         else
 850             priv->fixed_qp_idr = priv->fixed_qp_p;
 851         if (avctx->b_quant_factor > 0.0)
 852             priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor +
 853                                       avctx->b_quant_offset) + 0.5);
 854         else
 855             priv->fixed_qp_b = priv->fixed_qp_p;
 856
 857         av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "
 858                "%d / %d / %d for IDR- / P- / B-frames.\n",
 859                priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
 860
 861     } else if (ctx->va_rc_mode == VA_RC_CBR ||
 862                ctx->va_rc_mode == VA_RC_VBR) {
 863         // These still need to be  set for pic_init_qp/slice_qp_delta.
 864         priv->fixed_qp_idr = 30;
 865         priv->fixed_qp_p   = 30;
 866         priv->fixed_qp_b   = 30;
 867
 868         av_log(avctx, AV_LOG_DEBUG, "Using %s-bitrate = %"PRId64" bps.\n",
 869                ctx->va_rc_mode == VA_RC_CBR ? "constant" : "variable",
 870                avctx->bit_rate);
 871
 872     } else {
 873         av_assert0(0 && "Invalid RC mode.");
 874     }
 875
 876     return 0;
 877 }
 878
 879 static const VAAPIEncodeType vaapi_encode_type_h265 = {
 880     .priv_data_size        = sizeof(VAAPIEncodeH265Context),
 881
 882     .configure             = &vaapi_encode_h265_configure,
 883
 884     .sequence_params_size  = sizeof(VAEncSequenceParameterBufferHEVC),
 885     .init_sequence_params  = &vaapi_encode_h265_init_sequence_params,
 886
 887     .picture_params_size   = sizeof(VAEncPictureParameterBufferHEVC),
 888     .init_picture_params   = &vaapi_encode_h265_init_picture_params,
 889
 890     .slice_params_size     = sizeof(VAEncSliceParameterBufferHEVC),
 891     .init_slice_params     = &vaapi_encode_h265_init_slice_params,
 892
 893     .sequence_header_type  = VAEncPackedHeaderSequence,
 894     .write_sequence_header = &vaapi_encode_h265_write_sequence_header,
 895
 896     .slice_header_type     = VAEncPackedHeaderHEVC_Slice,
 897     .write_slice_header    = &vaapi_encode_h265_write_slice_header,
 898 };
 899
 900 static av_cold int vaapi_encode_h265_init(AVCodecContext *avctx)
 901 {
 902     VAAPIEncodeContext     *ctx = avctx->priv_data;
 903     VAAPIEncodeH265Options *opt =
 904         (VAAPIEncodeH265Options*)ctx->codec_options_data;
 905
 906     ctx->codec = &vaapi_encode_type_h265;
 907
 908     if (avctx->profile == FF_PROFILE_UNKNOWN)
 909         avctx->profile = opt->profile;
 910     if (avctx->level == FF_LEVEL_UNKNOWN)
 911         avctx->level = opt->level;
 912
 913     switch (avctx->profile) {
 914     case FF_PROFILE_HEVC_MAIN:
 915     case FF_PROFILE_UNKNOWN:
 916         ctx->va_profile = VAProfileHEVCMain;
 917         ctx->va_rt_format = VA_RT_FORMAT_YUV420;
 918         break;
 919     case FF_PROFILE_HEVC_MAIN_10:
 920 #ifdef VA_RT_FORMAT_YUV420_10BPP
 921         ctx->va_profile = VAProfileHEVCMain10;
 922         ctx->va_rt_format = VA_RT_FORMAT_YUV420_10BPP;
 923         break;
 924 #else
 925         av_log(avctx, AV_LOG_ERROR, "10-bit encoding is not "
 926                "supported with this VAAPI version.\n");
 927         return AVERROR(ENOSYS);
 928 #endif
 929     default:
 930         av_log(avctx, AV_LOG_ERROR, "Unknown H.265 profile %d.\n",
 931                avctx->profile);
 932         return AVERROR(EINVAL);
 933     }
 934     ctx->va_entrypoint = VAEntrypointEncSlice;
 935
 936     if (avctx->bit_rate > 0) {
 937         if (avctx->rc_max_rate == avctx->bit_rate)
 938             ctx->va_rc_mode = VA_RC_CBR;
 939         else
 940             ctx->va_rc_mode = VA_RC_VBR;
 941     } else
 942         ctx->va_rc_mode = VA_RC_CQP;
 943
 944     ctx->va_packed_headers =
 945         VA_ENC_PACKED_HEADER_SEQUENCE | // VPS, SPS and PPS.
 946         VA_ENC_PACKED_HEADER_SLICE;     // Slice headers.
 947
 948     ctx->surface_width  = FFALIGN(avctx->width,  16);
 949     ctx->surface_height = FFALIGN(avctx->height, 16);
 950
 951     return ff_vaapi_encode_init(avctx);
 952 }
 953
 954 static av_cold int vaapi_encode_h265_close(AVCodecContext *avctx)
 955 {
 956     VAAPIEncodeContext *ctx = avctx->priv_data;
 957     VAAPIEncodeH265Context *priv = ctx->priv_data;
 958
 959     if (priv)
 960         ff_cbs_close(&priv->cbc);
 961
 962     return ff_vaapi_encode_close(avctx);
 963 }
 964
 965 #define OFFSET(x) (offsetof(VAAPIEncodeContext, codec_options_data) + \
 966                    offsetof(VAAPIEncodeH265Options, x))
 967 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
 968 static const AVOption vaapi_encode_h265_options[] = {
 969     { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
 970       OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, 52, FLAGS },
 971
 972     { "aud", "Include AUD",
 973       OFFSET(aud), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
 974
 975     { "profile", "Set profile (general_profile_idc)",
 976       OFFSET(profile), AV_OPT_TYPE_INT,
 977       { .i64 = FF_PROFILE_HEVC_MAIN }, 0x00, 0xff, FLAGS, "profile" },
 978
 979 #define PROFILE(name, value)  name, NULL, 0, AV_OPT_TYPE_CONST, \
 980       { .i64 = value }, 0, 0, FLAGS, "profile"
 981     { PROFILE("main",               FF_PROFILE_HEVC_MAIN) },
 982     { PROFILE("main10",             FF_PROFILE_HEVC_MAIN_10) },
 983 #undef PROFILE
 984
 985     { "level", "Set level (general_level_idc)",
 986       OFFSET(level), AV_OPT_TYPE_INT,
 987       { .i64 = 153 }, 0x00, 0xff, FLAGS, "level" },
 988
 989 #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
 990       { .i64 = value }, 0, 0, FLAGS, "level"
 991     { LEVEL("1",    30) },
 992     { LEVEL("2",    60) },
 993     { LEVEL("2.1",  63) },
 994     { LEVEL("3",    90) },
 995     { LEVEL("3.1",  93) },
 996     { LEVEL("4",   120) },
 997     { LEVEL("4.1", 123) },
 998     { LEVEL("5",   150) },
 999     { LEVEL("5.1", 153) },
1000     { LEVEL("5.2", 156) },
1001     { LEVEL("6",   180) },
1002     { LEVEL("6.1", 183) },
1003     { LEVEL("6.2", 186) },
1004 #undef LEVEL
1005
1006     { NULL },
1007 };
1008
1009 static const AVCodecDefault vaapi_encode_h265_defaults[] = {
1010     { "b",              "0"   },
1011     { "bf",             "2"   },
1012     { "g",              "120" },
1013     { "i_qfactor",      "1"   },
1014     { "i_qoffset",      "0"   },
1015     { "b_qfactor",      "6/5" },
1016     { "b_qoffset",      "0"   },
1017     { NULL },
1018 };
1019
1020 static const AVClass vaapi_encode_h265_class = {
1021     .class_name = "h265_vaapi",
1022     .item_name  = av_default_item_name,
1023     .option     = vaapi_encode_h265_options,
1024     .version    = LIBAVUTIL_VERSION_INT,
1025 };
1026
1027 AVCodec ff_hevc_vaapi_encoder = {
1028     .name           = "hevc_vaapi",
1029     .long_name      = NULL_IF_CONFIG_SMALL("H.265/HEVC (VAAPI)"),
1030     .type           = AVMEDIA_TYPE_VIDEO,
1031     .id             = AV_CODEC_ID_HEVC,
1032     .priv_data_size = (sizeof(VAAPIEncodeContext) +
1033                        sizeof(VAAPIEncodeH265Options)),
1034     .init           = &vaapi_encode_h265_init,
1035     .encode2        = &ff_vaapi_encode2,
1036     .close          = &vaapi_encode_h265_close,
1037     .priv_class     = &vaapi_encode_h265_class,
1038     .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
1039     .defaults       = vaapi_encode_h265_defaults,
1040     .pix_fmts = (const enum AVPixelFormat[]) {
1041         AV_PIX_FMT_VAAPI,
1042         AV_PIX_FMT_NONE,
1043     },
1044     .wrapper_name   = "vaapi",
1045 };