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 #include "libavutil/mastering_display_metadata.h"
  28
  29 #include "avcodec.h"
  30 #include "cbs.h"
  31 #include "cbs_h265.h"
  32 #include "hevc.h"
  33 #include "hevc_sei.h"
  34 #include "internal.h"
  35 #include "put_bits.h"
  36 #include "vaapi_encode.h"
  37
  38 enum {
  39     SEI_MASTERING_DISPLAY       = 0x08,
  40     SEI_CONTENT_LIGHT_LEVEL     = 0x10,
  41 };
  42
  43 typedef struct VAAPIEncodeH265Context {
  44     VAAPIEncodeContext common;
  45
  46     // User options.
  47     int qp;
  48     int aud;
  49     int profile;
  50     int level;
  51     int sei;
  52
  53     // Derived settings.
  54     unsigned int ctu_width;
  55     unsigned int ctu_height;
  56
  57     int fixed_qp_idr;
  58     int fixed_qp_p;
  59     int fixed_qp_b;
  60
  61     // Stream state.
  62     int64_t last_idr_frame;
  63     int pic_order_cnt;
  64
  65     int slice_nal_unit;
  66     int slice_type;
  67     int pic_type;
  68
  69     // Writer structures.
  70     H265RawAUD   raw_aud;
  71     H265RawVPS   raw_vps;
  72     H265RawSPS   raw_sps;
  73     H265RawPPS   raw_pps;
  74     H265RawSEI   raw_sei;
  75     H265RawSlice raw_slice;
  76
  77     H265RawSEIMasteringDisplayColourVolume sei_mastering_display;
  78     H265RawSEIContentLightLevelInfo        sei_content_light_level;
  79
  80     CodedBitstreamContext *cbc;
  81     CodedBitstreamFragment current_access_unit;
  82     int aud_needed;
  83     int sei_needed;
  84 } VAAPIEncodeH265Context;
  85
  86
  87 static int vaapi_encode_h265_write_access_unit(AVCodecContext *avctx,
  88                                                char *data, size_t *data_len,
  89                                                CodedBitstreamFragment *au)
  90 {
  91     VAAPIEncodeH265Context *priv = avctx->priv_data;
  92     int err;
  93
  94     err = ff_cbs_write_fragment_data(priv->cbc, au);
  95     if (err < 0) {
  96         av_log(avctx, AV_LOG_ERROR, "Failed to write packed header.\n");
  97         return err;
  98     }
  99
 100     if (*data_len < 8 * au->data_size - au->data_bit_padding) {
 101         av_log(avctx, AV_LOG_ERROR, "Access unit too large: "
 102                "%zu < %zu.\n", *data_len,
 103                8 * au->data_size - au->data_bit_padding);
 104         return AVERROR(ENOSPC);
 105     }
 106
 107     memcpy(data, au->data, au->data_size);
 108     *data_len = 8 * au->data_size - au->data_bit_padding;
 109
 110     return 0;
 111 }
 112
 113 static int vaapi_encode_h265_add_nal(AVCodecContext *avctx,
 114                                      CodedBitstreamFragment *au,
 115                                      void *nal_unit)
 116 {
 117     VAAPIEncodeH265Context *priv = avctx->priv_data;
 118     H265RawNALUnitHeader *header = nal_unit;
 119     int err;
 120
 121     err = ff_cbs_insert_unit_content(priv->cbc, au, -1,
 122                                      header->nal_unit_type, nal_unit, NULL);
 123     if (err < 0) {
 124         av_log(avctx, AV_LOG_ERROR, "Failed to add NAL unit: "
 125                "type = %d.\n", header->nal_unit_type);
 126         return err;
 127     }
 128
 129     return 0;
 130 }
 131
 132 static int vaapi_encode_h265_write_sequence_header(AVCodecContext *avctx,
 133                                                    char *data, size_t *data_len)
 134 {
 135     VAAPIEncodeH265Context *priv = avctx->priv_data;
 136     CodedBitstreamFragment   *au = &priv->current_access_unit;
 137     int err;
 138
 139     if (priv->aud_needed) {
 140         err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_aud);
 141         if (err < 0)
 142             goto fail;
 143         priv->aud_needed = 0;
 144     }
 145
 146     err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_vps);
 147     if (err < 0)
 148         goto fail;
 149
 150     err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_sps);
 151     if (err < 0)
 152         goto fail;
 153
 154     err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_pps);
 155     if (err < 0)
 156         goto fail;
 157
 158     err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
 159 fail:
 160     ff_cbs_fragment_uninit(priv->cbc, au);
 161     return err;
 162 }
 163
 164 static int vaapi_encode_h265_write_slice_header(AVCodecContext *avctx,
 165                                                 VAAPIEncodePicture *pic,
 166                                                 VAAPIEncodeSlice *slice,
 167                                                 char *data, size_t *data_len)
 168 {
 169     VAAPIEncodeH265Context *priv = avctx->priv_data;
 170     CodedBitstreamFragment   *au = &priv->current_access_unit;
 171     int err;
 172
 173     if (priv->aud_needed) {
 174         err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_aud);
 175         if (err < 0)
 176             goto fail;
 177         priv->aud_needed = 0;
 178     }
 179
 180     err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_slice);
 181     if (err < 0)
 182         goto fail;
 183
 184     err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
 185 fail:
 186     ff_cbs_fragment_uninit(priv->cbc, au);
 187     return err;
 188 }
 189
 190 static int vaapi_encode_h265_write_extra_header(AVCodecContext *avctx,
 191                                                 VAAPIEncodePicture *pic,
 192                                                 int index, int *type,
 193                                                 char *data, size_t *data_len)
 194 {
 195     VAAPIEncodeH265Context *priv = avctx->priv_data;
 196     CodedBitstreamFragment   *au = &priv->current_access_unit;
 197     int err, i;
 198
 199     if (priv->sei_needed) {
 200         H265RawSEI *sei = &priv->raw_sei;
 201
 202         if (priv->aud_needed) {
 203             err = vaapi_encode_h265_add_nal(avctx, au, &priv->aud);
 204             if (err < 0)
 205                 goto fail;
 206             priv->aud_needed = 0;
 207         }
 208
 209         *sei = (H265RawSEI) {
 210             .nal_unit_header = {
 211                 .nal_unit_type         = HEVC_NAL_SEI_PREFIX,
 212                 .nuh_layer_id          = 0,
 213                 .nuh_temporal_id_plus1 = 1,
 214             },
 215         };
 216
 217         i = 0;
 218
 219         if (priv->sei_needed & SEI_MASTERING_DISPLAY) {
 220             sei->payload[i].payload_type = HEVC_SEI_TYPE_MASTERING_DISPLAY_INFO;
 221             sei->payload[i].payload.mastering_display = priv->sei_mastering_display;
 222             ++i;
 223         }
 224
 225         if (priv->sei_needed & SEI_CONTENT_LIGHT_LEVEL) {
 226             sei->payload[i].payload_type = HEVC_SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO;
 227             sei->payload[i].payload.content_light_level = priv->sei_content_light_level;
 228             ++i;
 229         }
 230
 231         sei->payload_count = i;
 232         av_assert0(sei->payload_count > 0);
 233
 234         err = vaapi_encode_h265_add_nal(avctx, au, sei);
 235         if (err < 0)
 236             goto fail;
 237         priv->sei_needed = 0;
 238
 239         err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
 240         if (err < 0)
 241             goto fail;
 242
 243         ff_cbs_fragment_uninit(priv->cbc, au);
 244
 245         *type = VAEncPackedHeaderRawData;
 246         return 0;
 247     } else {
 248         return AVERROR_EOF;
 249     }
 250
 251 fail:
 252     ff_cbs_fragment_uninit(priv->cbc, au);
 253     return err;
 254 }
 255
 256 static int vaapi_encode_h265_init_sequence_params(AVCodecContext *avctx)
 257 {
 258     VAAPIEncodeContext                *ctx = avctx->priv_data;
 259     VAAPIEncodeH265Context           *priv = avctx->priv_data;
 260     H265RawVPS                        *vps = &priv->raw_vps;
 261     H265RawSPS                        *sps = &priv->raw_sps;
 262     H265RawPPS                        *pps = &priv->raw_pps;
 263     H265RawVUI                        *vui = &sps->vui;
 264     VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params;
 265     VAEncPictureParameterBufferHEVC  *vpic = ctx->codec_picture_params;
 266     int i;
 267
 268     memset(&priv->current_access_unit, 0,
 269            sizeof(priv->current_access_unit));
 270
 271     memset(vps, 0, sizeof(*vps));
 272     memset(sps, 0, sizeof(*sps));
 273     memset(pps, 0, sizeof(*pps));
 274
 275
 276     // VPS
 277
 278     vps->nal_unit_header = (H265RawNALUnitHeader) {
 279         .nal_unit_type         = HEVC_NAL_VPS,
 280         .nuh_layer_id          = 0,
 281         .nuh_temporal_id_plus1 = 1,
 282     };
 283
 284     vps->vps_video_parameter_set_id = 0;
 285
 286     vps->vps_base_layer_internal_flag  = 1;
 287     vps->vps_base_layer_available_flag = 1;
 288     vps->vps_max_layers_minus1         = 0;
 289     vps->vps_max_sub_layers_minus1     = 0;
 290     vps->vps_temporal_id_nesting_flag  = 1;
 291
 292     vps->profile_tier_level = (H265RawProfileTierLevel) {
 293         .general_profile_space = 0,
 294         .general_profile_idc   = avctx->profile,
 295         .general_tier_flag     = 0,
 296
 297         .general_progressive_source_flag    = 1,
 298         .general_interlaced_source_flag     = 0,
 299         .general_non_packed_constraint_flag = 1,
 300         .general_frame_only_constraint_flag = 1,
 301
 302         .general_level_idc     = avctx->level,
 303     };
 304     vps->profile_tier_level.general_profile_compatibility_flag[avctx->profile & 31] = 1;
 305
 306     vps->vps_sub_layer_ordering_info_present_flag = 0;
 307     vps->vps_max_dec_pic_buffering_minus1[0]      = (ctx->b_per_p > 0) + 1;
 308     vps->vps_max_num_reorder_pics[0]              = (ctx->b_per_p > 0);
 309     vps->vps_max_latency_increase_plus1[0]        = 0;
 310
 311     vps->vps_max_layer_id             = 0;
 312     vps->vps_num_layer_sets_minus1    = 0;
 313     vps->layer_id_included_flag[0][0] = 1;
 314
 315     vps->vps_timing_info_present_flag = 1;
 316     if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
 317         vps->vps_num_units_in_tick  = avctx->framerate.den;
 318         vps->vps_time_scale         = avctx->framerate.num;
 319         vps->vps_poc_proportional_to_timing_flag = 1;
 320         vps->vps_num_ticks_poc_diff_one_minus1   = 0;
 321     } else {
 322         vps->vps_num_units_in_tick  = avctx->time_base.num;
 323         vps->vps_time_scale         = avctx->time_base.den;
 324         vps->vps_poc_proportional_to_timing_flag = 0;
 325     }
 326     vps->vps_num_hrd_parameters = 0;
 327
 328
 329     // SPS
 330
 331     sps->nal_unit_header = (H265RawNALUnitHeader) {
 332         .nal_unit_type         = HEVC_NAL_SPS,
 333         .nuh_layer_id          = 0,
 334         .nuh_temporal_id_plus1 = 1,
 335     };
 336
 337     sps->sps_video_parameter_set_id = vps->vps_video_parameter_set_id;
 338
 339     sps->sps_max_sub_layers_minus1    = vps->vps_max_sub_layers_minus1;
 340     sps->sps_temporal_id_nesting_flag = vps->vps_temporal_id_nesting_flag;
 341
 342     sps->profile_tier_level = vps->profile_tier_level;
 343
 344     sps->sps_seq_parameter_set_id = 0;
 345
 346     sps->chroma_format_idc          = 1; // YUV 4:2:0.
 347     sps->separate_colour_plane_flag = 0;
 348
 349     sps->pic_width_in_luma_samples  = ctx->surface_width;
 350     sps->pic_height_in_luma_samples = ctx->surface_height;
 351
 352     if (avctx->width  != ctx->surface_width ||
 353         avctx->height != ctx->surface_height) {
 354         sps->conformance_window_flag = 1;
 355         sps->conf_win_left_offset   = 0;
 356         sps->conf_win_right_offset  =
 357             (ctx->surface_width - avctx->width) / 2;
 358         sps->conf_win_top_offset    = 0;
 359         sps->conf_win_bottom_offset =
 360             (ctx->surface_height - avctx->height) / 2;
 361     } else {
 362         sps->conformance_window_flag = 0;
 363     }
 364
 365     sps->bit_depth_luma_minus8 =
 366         avctx->profile == FF_PROFILE_HEVC_MAIN_10 ? 2 : 0;
 367     sps->bit_depth_chroma_minus8 = sps->bit_depth_luma_minus8;
 368
 369     sps->log2_max_pic_order_cnt_lsb_minus4 = 8;
 370
 371     sps->sps_sub_layer_ordering_info_present_flag =
 372         vps->vps_sub_layer_ordering_info_present_flag;
 373     for (i = 0; i <= sps->sps_max_sub_layers_minus1; i++) {
 374         sps->sps_max_dec_pic_buffering_minus1[i] =
 375             vps->vps_max_dec_pic_buffering_minus1[i];
 376         sps->sps_max_num_reorder_pics[i] =
 377             vps->vps_max_num_reorder_pics[i];
 378         sps->sps_max_latency_increase_plus1[i] =
 379             vps->vps_max_latency_increase_plus1[i];
 380     }
 381
 382     // These have to come from the capabilities of the encoder.  We have no
 383     // way to query them, so just hardcode parameters which work on the Intel
 384     // driver.
 385     // CTB size from 8x8 to 32x32.
 386     sps->log2_min_luma_coding_block_size_minus3   = 0;
 387     sps->log2_diff_max_min_luma_coding_block_size = 2;
 388     // Transform size from 4x4 to 32x32.
 389     sps->log2_min_luma_transform_block_size_minus2   = 0;
 390     sps->log2_diff_max_min_luma_transform_block_size = 3;
 391     // Full transform hierarchy allowed (2-5).
 392     sps->max_transform_hierarchy_depth_inter = 3;
 393     sps->max_transform_hierarchy_depth_intra = 3;
 394     // AMP works.
 395     sps->amp_enabled_flag = 1;
 396     // SAO and temporal MVP do not work.
 397     sps->sample_adaptive_offset_enabled_flag = 0;
 398     sps->sps_temporal_mvp_enabled_flag       = 0;
 399
 400     sps->pcm_enabled_flag = 0;
 401
 402     // STRPSs should ideally be here rather than defined individually in
 403     // each slice, but the structure isn't completely fixed so for now
 404     // don't bother.
 405     sps->num_short_term_ref_pic_sets     = 0;
 406     sps->long_term_ref_pics_present_flag = 0;
 407
 408     sps->vui_parameters_present_flag = 1;
 409
 410     if (avctx->sample_aspect_ratio.num != 0 &&
 411         avctx->sample_aspect_ratio.den != 0) {
 412         static const AVRational sar_idc[] = {
 413             {   0,  0 },
 414             {   1,  1 }, {  12, 11 }, {  10, 11 }, {  16, 11 },
 415             {  40, 33 }, {  24, 11 }, {  20, 11 }, {  32, 11 },
 416             {  80, 33 }, {  18, 11 }, {  15, 11 }, {  64, 33 },
 417             { 160, 99 }, {   4,  3 }, {   3,  2 }, {   2,  1 },
 418         };
 419         int i;
 420         for (i = 0; i < FF_ARRAY_ELEMS(sar_idc); i++) {
 421             if (avctx->sample_aspect_ratio.num == sar_idc[i].num &&
 422                 avctx->sample_aspect_ratio.den == sar_idc[i].den) {
 423                 vui->aspect_ratio_idc = i;
 424                 break;
 425             }
 426         }
 427         if (i >= FF_ARRAY_ELEMS(sar_idc)) {
 428             vui->aspect_ratio_idc = 255;
 429             vui->sar_width  = avctx->sample_aspect_ratio.num;
 430             vui->sar_height = avctx->sample_aspect_ratio.den;
 431         }
 432         vui->aspect_ratio_info_present_flag = 1;
 433     }
 434
 435     if (avctx->color_range     != AVCOL_RANGE_UNSPECIFIED ||
 436         avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
 437         avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||
 438         avctx->colorspace      != AVCOL_SPC_UNSPECIFIED) {
 439         vui->video_signal_type_present_flag = 1;
 440         vui->video_format      = 5; // Unspecified.
 441         vui->video_full_range_flag =
 442             avctx->color_range == AVCOL_RANGE_JPEG;
 443
 444         if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
 445             avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||
 446             avctx->colorspace      != AVCOL_SPC_UNSPECIFIED) {
 447             vui->colour_description_present_flag = 1;
 448             vui->colour_primaries         = avctx->color_primaries;
 449             vui->transfer_characteristics = avctx->color_trc;
 450             vui->matrix_coefficients      = avctx->colorspace;
 451         }
 452     } else {
 453         vui->video_format             = 5;
 454         vui->video_full_range_flag    = 0;
 455         vui->colour_primaries         = avctx->color_primaries;
 456         vui->transfer_characteristics = avctx->color_trc;
 457         vui->matrix_coefficients      = avctx->colorspace;
 458     }
 459
 460     if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) {
 461         vui->chroma_loc_info_present_flag = 1;
 462         vui->chroma_sample_loc_type_top_field    =
 463         vui->chroma_sample_loc_type_bottom_field =
 464             avctx->chroma_sample_location - 1;
 465     }
 466
 467     vui->vui_timing_info_present_flag        = 1;
 468     vui->vui_num_units_in_tick               = vps->vps_num_units_in_tick;
 469     vui->vui_time_scale                      = vps->vps_time_scale;
 470     vui->vui_poc_proportional_to_timing_flag = vps->vps_poc_proportional_to_timing_flag;
 471     vui->vui_num_ticks_poc_diff_one_minus1   = vps->vps_num_ticks_poc_diff_one_minus1;
 472     vui->vui_hrd_parameters_present_flag     = 0;
 473
 474     vui->bitstream_restriction_flag    = 1;
 475     vui->motion_vectors_over_pic_boundaries_flag = 1;
 476     vui->restricted_ref_pic_lists_flag = 1;
 477     vui->max_bytes_per_pic_denom       = 0;
 478     vui->max_bits_per_min_cu_denom     = 0;
 479     vui->log2_max_mv_length_horizontal = 15;
 480     vui->log2_max_mv_length_vertical   = 15;
 481
 482
 483     // PPS
 484
 485     pps->nal_unit_header = (H265RawNALUnitHeader) {
 486         .nal_unit_type         = HEVC_NAL_PPS,
 487         .nuh_layer_id          = 0,
 488         .nuh_temporal_id_plus1 = 1,
 489     };
 490
 491     pps->pps_pic_parameter_set_id = 0;
 492     pps->pps_seq_parameter_set_id = sps->sps_seq_parameter_set_id;
 493
 494     pps->num_ref_idx_l0_default_active_minus1 = 0;
 495     pps->num_ref_idx_l1_default_active_minus1 = 0;
 496
 497     pps->init_qp_minus26 = priv->fixed_qp_idr - 26;
 498
 499     pps->cu_qp_delta_enabled_flag = (ctx->va_rc_mode != VA_RC_CQP);
 500     pps->diff_cu_qp_delta_depth   = 0;
 501
 502     pps->pps_loop_filter_across_slices_enabled_flag = 1;
 503
 504
 505     // Fill VAAPI parameter buffers.
 506
 507     *vseq = (VAEncSequenceParameterBufferHEVC) {
 508         .general_profile_idc = vps->profile_tier_level.general_profile_idc,
 509         .general_level_idc   = vps->profile_tier_level.general_level_idc,
 510         .general_tier_flag   = vps->profile_tier_level.general_tier_flag,
 511
 512         .intra_period     = avctx->gop_size,
 513         .intra_idr_period = avctx->gop_size,
 514         .ip_period        = ctx->b_per_p + 1,
 515         .bits_per_second  = ctx->va_bit_rate,
 516
 517         .pic_width_in_luma_samples  = sps->pic_width_in_luma_samples,
 518         .pic_height_in_luma_samples = sps->pic_height_in_luma_samples,
 519
 520         .seq_fields.bits = {
 521             .chroma_format_idc             = sps->chroma_format_idc,
 522             .separate_colour_plane_flag    = sps->separate_colour_plane_flag,
 523             .bit_depth_luma_minus8         = sps->bit_depth_luma_minus8,
 524             .bit_depth_chroma_minus8       = sps->bit_depth_chroma_minus8,
 525             .scaling_list_enabled_flag     = sps->scaling_list_enabled_flag,
 526             .strong_intra_smoothing_enabled_flag =
 527                 sps->strong_intra_smoothing_enabled_flag,
 528             .amp_enabled_flag              = sps->amp_enabled_flag,
 529             .sample_adaptive_offset_enabled_flag =
 530                 sps->sample_adaptive_offset_enabled_flag,
 531             .pcm_enabled_flag              = sps->pcm_enabled_flag,
 532             .pcm_loop_filter_disabled_flag = sps->pcm_loop_filter_disabled_flag,
 533             .sps_temporal_mvp_enabled_flag = sps->sps_temporal_mvp_enabled_flag,
 534         },
 535
 536         .log2_min_luma_coding_block_size_minus3 =
 537             sps->log2_min_luma_coding_block_size_minus3,
 538         .log2_diff_max_min_luma_coding_block_size =
 539             sps->log2_diff_max_min_luma_coding_block_size,
 540         .log2_min_transform_block_size_minus2 =
 541             sps->log2_min_luma_transform_block_size_minus2,
 542         .log2_diff_max_min_transform_block_size =
 543             sps->log2_diff_max_min_luma_transform_block_size,
 544         .max_transform_hierarchy_depth_inter =
 545             sps->max_transform_hierarchy_depth_inter,
 546         .max_transform_hierarchy_depth_intra =
 547             sps->max_transform_hierarchy_depth_intra,
 548
 549         .pcm_sample_bit_depth_luma_minus1 =
 550             sps->pcm_sample_bit_depth_luma_minus1,
 551         .pcm_sample_bit_depth_chroma_minus1 =
 552             sps->pcm_sample_bit_depth_chroma_minus1,
 553         .log2_min_pcm_luma_coding_block_size_minus3 =
 554             sps->log2_min_pcm_luma_coding_block_size_minus3,
 555         .log2_max_pcm_luma_coding_block_size_minus3 =
 556             sps->log2_min_pcm_luma_coding_block_size_minus3 +
 557             sps->log2_diff_max_min_pcm_luma_coding_block_size,
 558
 559         .vui_parameters_present_flag = 0,
 560     };
 561
 562     *vpic = (VAEncPictureParameterBufferHEVC) {
 563         .decoded_curr_pic = {
 564             .picture_id = VA_INVALID_ID,
 565             .flags      = VA_PICTURE_HEVC_INVALID,
 566         },
 567
 568         .coded_buf = VA_INVALID_ID,
 569
 570         .collocated_ref_pic_index = 0xff,
 571
 572         .last_picture = 0,
 573
 574         .pic_init_qp            = pps->init_qp_minus26 + 26,
 575         .diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth,
 576         .pps_cb_qp_offset       = pps->pps_cb_qp_offset,
 577         .pps_cr_qp_offset       = pps->pps_cr_qp_offset,
 578
 579         .num_tile_columns_minus1 = pps->num_tile_columns_minus1,
 580         .num_tile_rows_minus1    = pps->num_tile_rows_minus1,
 581
 582         .log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level_minus2,
 583         .ctu_max_bitsize_allowed          = 0,
 584
 585         .num_ref_idx_l0_default_active_minus1 =
 586             pps->num_ref_idx_l0_default_active_minus1,
 587         .num_ref_idx_l1_default_active_minus1 =
 588             pps->num_ref_idx_l1_default_active_minus1,
 589
 590         .slice_pic_parameter_set_id = pps->pps_pic_parameter_set_id,
 591
 592         .pic_fields.bits = {
 593             .sign_data_hiding_enabled_flag  = pps->sign_data_hiding_enabled_flag,
 594             .constrained_intra_pred_flag    = pps->constrained_intra_pred_flag,
 595             .transform_skip_enabled_flag    = pps->transform_skip_enabled_flag,
 596             .cu_qp_delta_enabled_flag       = pps->cu_qp_delta_enabled_flag,
 597             .weighted_pred_flag             = pps->weighted_pred_flag,
 598             .weighted_bipred_flag           = pps->weighted_bipred_flag,
 599             .transquant_bypass_enabled_flag = pps->transquant_bypass_enabled_flag,
 600             .tiles_enabled_flag             = pps->tiles_enabled_flag,
 601             .entropy_coding_sync_enabled_flag = pps->entropy_coding_sync_enabled_flag,
 602             .loop_filter_across_tiles_enabled_flag =
 603                 pps->loop_filter_across_tiles_enabled_flag,
 604             .scaling_list_data_present_flag = (sps->sps_scaling_list_data_present_flag |
 605                                                pps->pps_scaling_list_data_present_flag),
 606             .screen_content_flag            = 0,
 607             .enable_gpu_weighted_prediction = 0,
 608             .no_output_of_prior_pics_flag   = 0,
 609         },
 610     };
 611
 612     return 0;
 613 }
 614
 615 static int vaapi_encode_h265_init_picture_params(AVCodecContext *avctx,
 616                                                  VAAPIEncodePicture *pic)
 617 {
 618     VAAPIEncodeH265Context          *priv = avctx->priv_data;
 619     VAEncPictureParameterBufferHEVC *vpic = pic->codec_picture_params;
 620     int i;
 621
 622     if (pic->type == PICTURE_TYPE_IDR) {
 623         av_assert0(pic->display_order == pic->encode_order);
 624
 625         priv->last_idr_frame = pic->display_order;
 626
 627         priv->slice_nal_unit = HEVC_NAL_IDR_W_RADL;
 628         priv->slice_type     = HEVC_SLICE_I;
 629         priv->pic_type       = 0;
 630     } else {
 631         av_assert0(pic->encode_order > priv->last_idr_frame);
 632
 633         if (pic->type == PICTURE_TYPE_I) {
 634             priv->slice_nal_unit = HEVC_NAL_CRA_NUT;
 635             priv->slice_type     = HEVC_SLICE_I;
 636             priv->pic_type       = 0;
 637         } else if (pic->type == PICTURE_TYPE_P) {
 638             av_assert0(pic->refs[0]);
 639             priv->slice_nal_unit = HEVC_NAL_TRAIL_R;
 640             priv->slice_type     = HEVC_SLICE_P;
 641             priv->pic_type       = 1;
 642         } else {
 643             av_assert0(pic->refs[0] && pic->refs[1]);
 644             if (pic->refs[1]->type == PICTURE_TYPE_I)
 645                 priv->slice_nal_unit = HEVC_NAL_RASL_N;
 646             else
 647                 priv->slice_nal_unit = HEVC_NAL_TRAIL_N;
 648             priv->slice_type = HEVC_SLICE_B;
 649             priv->pic_type   = 2;
 650         }
 651     }
 652     priv->pic_order_cnt = pic->display_order - priv->last_idr_frame;
 653
 654     if (priv->aud) {
 655         priv->aud_needed = 1;
 656         priv->raw_aud = (H265RawAUD) {
 657             .nal_unit_header = {
 658                 .nal_unit_type         = HEVC_NAL_AUD,
 659                 .nuh_layer_id          = 0,
 660                 .nuh_temporal_id_plus1 = 1,
 661             },
 662             .pic_type = priv->pic_type,
 663         };
 664     } else {
 665         priv->aud_needed = 0;
 666     }
 667
 668     priv->sei_needed = 0;
 669
 670     // Only look for the metadata on I/IDR frame on the output. We
 671     // may force an IDR frame on the output where the medadata gets
 672     // changed on the input frame.
 673     if ((priv->sei & SEI_MASTERING_DISPLAY) &&
 674         (pic->type == PICTURE_TYPE_I || pic->type == PICTURE_TYPE_IDR)) {
 675         AVFrameSideData *sd =
 676             av_frame_get_side_data(pic->input_image,
 677                                    AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
 678
 679         if (sd) {
 680             AVMasteringDisplayMetadata *mdm =
 681                 (AVMasteringDisplayMetadata *)sd->data;
 682
 683             // SEI is needed when both the primaries and luminance are set
 684             if (mdm->has_primaries && mdm->has_luminance) {
 685                 H265RawSEIMasteringDisplayColourVolume *mdcv =
 686                     &priv->sei_mastering_display;
 687                 const int mapping[3] = {1, 2, 0};
 688                 const int chroma_den = 50000;
 689                 const int luma_den   = 10000;
 690
 691                 for (i = 0; i < 3; i++) {
 692                     const int j = mapping[i];
 693                     mdcv->display_primaries_x[i] =
 694                         FFMIN(lrint(chroma_den *
 695                                     av_q2d(mdm->display_primaries[j][0])),
 696                               chroma_den);
 697                     mdcv->display_primaries_y[i] =
 698                         FFMIN(lrint(chroma_den *
 699                                     av_q2d(mdm->display_primaries[j][1])),
 700                               chroma_den);
 701                 }
 702
 703                 mdcv->white_point_x =
 704                     FFMIN(lrint(chroma_den * av_q2d(mdm->white_point[0])),
 705                           chroma_den);
 706                 mdcv->white_point_y =
 707                     FFMIN(lrint(chroma_den * av_q2d(mdm->white_point[1])),
 708                           chroma_den);
 709
 710                 mdcv->max_display_mastering_luminance =
 711                     lrint(luma_den * av_q2d(mdm->max_luminance));
 712                 mdcv->min_display_mastering_luminance =
 713                     FFMIN(lrint(luma_den * av_q2d(mdm->min_luminance)),
 714                           mdcv->max_display_mastering_luminance);
 715
 716                 priv->sei_needed |= SEI_MASTERING_DISPLAY;
 717             }
 718         }
 719     }
 720
 721     if ((priv->sei & SEI_CONTENT_LIGHT_LEVEL) &&
 722         (pic->type == PICTURE_TYPE_I || pic->type == PICTURE_TYPE_IDR)) {
 723         AVFrameSideData *sd =
 724             av_frame_get_side_data(pic->input_image,
 725                                    AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);
 726
 727         if (sd) {
 728             AVContentLightMetadata *clm =
 729                 (AVContentLightMetadata *)sd->data;
 730             H265RawSEIContentLightLevelInfo *clli =
 731                 &priv->sei_content_light_level;
 732
 733             clli->max_content_light_level     = FFMIN(clm->MaxCLL,  65535);
 734             clli->max_pic_average_light_level = FFMIN(clm->MaxFALL, 65535);
 735
 736             priv->sei_needed |= SEI_CONTENT_LIGHT_LEVEL;
 737         }
 738     }
 739
 740     vpic->decoded_curr_pic = (VAPictureHEVC) {
 741         .picture_id    = pic->recon_surface,
 742         .pic_order_cnt = priv->pic_order_cnt,
 743         .flags         = 0,
 744     };
 745
 746     for (i = 0; i < pic->nb_refs; i++) {
 747         VAAPIEncodePicture *ref = pic->refs[i];
 748         av_assert0(ref && ref->encode_order < pic->encode_order);
 749
 750         vpic->reference_frames[i] = (VAPictureHEVC) {
 751             .picture_id    = ref->recon_surface,
 752             .pic_order_cnt = ref->display_order - priv->last_idr_frame,
 753             .flags = (ref->display_order < pic->display_order ?
 754                       VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE : 0) |
 755                      (ref->display_order > pic->display_order ?
 756                       VA_PICTURE_HEVC_RPS_ST_CURR_AFTER  : 0),
 757         };
 758     }
 759     for (; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++) {
 760         vpic->reference_frames[i] = (VAPictureHEVC) {
 761             .picture_id = VA_INVALID_ID,
 762             .flags      = VA_PICTURE_HEVC_INVALID,
 763         };
 764     }
 765
 766     vpic->coded_buf = pic->output_buffer;
 767
 768     vpic->nal_unit_type = priv->slice_nal_unit;
 769
 770     switch (pic->type) {
 771     case PICTURE_TYPE_IDR:
 772         vpic->pic_fields.bits.idr_pic_flag       = 1;
 773         vpic->pic_fields.bits.coding_type        = 1;
 774         vpic->pic_fields.bits.reference_pic_flag = 1;
 775         break;
 776     case PICTURE_TYPE_I:
 777         vpic->pic_fields.bits.idr_pic_flag       = 0;
 778         vpic->pic_fields.bits.coding_type        = 1;
 779         vpic->pic_fields.bits.reference_pic_flag = 1;
 780         break;
 781     case PICTURE_TYPE_P:
 782         vpic->pic_fields.bits.idr_pic_flag       = 0;
 783         vpic->pic_fields.bits.coding_type        = 2;
 784         vpic->pic_fields.bits.reference_pic_flag = 1;
 785         break;
 786     case PICTURE_TYPE_B:
 787         vpic->pic_fields.bits.idr_pic_flag       = 0;
 788         vpic->pic_fields.bits.coding_type        = 3;
 789         vpic->pic_fields.bits.reference_pic_flag = 0;
 790         break;
 791     default:
 792         av_assert0(0 && "invalid picture type");
 793     }
 794
 795     pic->nb_slices = 1;
 796
 797     return 0;
 798 }
 799
 800 static int vaapi_encode_h265_init_slice_params(AVCodecContext *avctx,
 801                                                VAAPIEncodePicture *pic,
 802                                                VAAPIEncodeSlice *slice)
 803 {
 804     VAAPIEncodeContext                *ctx = avctx->priv_data;
 805     VAAPIEncodeH265Context           *priv = avctx->priv_data;
 806     const H265RawSPS                  *sps = &priv->raw_sps;
 807     const H265RawPPS                  *pps = &priv->raw_pps;
 808     H265RawSliceHeader                 *sh = &priv->raw_slice.header;
 809     VAEncPictureParameterBufferHEVC  *vpic = pic->codec_picture_params;
 810     VAEncSliceParameterBufferHEVC  *vslice = slice->codec_slice_params;
 811     int i;
 812
 813     sh->nal_unit_header = (H265RawNALUnitHeader) {
 814         .nal_unit_type         = priv->slice_nal_unit,
 815         .nuh_layer_id          = 0,
 816         .nuh_temporal_id_plus1 = 1,
 817     };
 818
 819     sh->slice_pic_parameter_set_id      = pps->pps_pic_parameter_set_id;
 820
 821     // Currently we only support one slice per frame.
 822     sh->first_slice_segment_in_pic_flag = 1;
 823     sh->slice_segment_address           = 0;
 824
 825     sh->slice_type = priv->slice_type;
 826
 827     sh->slice_pic_order_cnt_lsb = priv->pic_order_cnt &
 828         (1 << (sps->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1;
 829
 830     if (pic->type != PICTURE_TYPE_IDR) {
 831         H265RawSTRefPicSet *rps;
 832         VAAPIEncodePicture *st;
 833         int used;
 834
 835         sh->short_term_ref_pic_set_sps_flag = 0;
 836
 837         rps = &sh->short_term_ref_pic_set;
 838         memset(rps, 0, sizeof(*rps));
 839
 840         for (st = ctx->pic_start; st; st = st->next) {
 841             if (st->encode_order >= pic->encode_order) {
 842                 // Not yet in DPB.
 843                 continue;
 844             }
 845             used = 0;
 846             for (i = 0; i < pic->nb_refs; i++) {
 847                 if (pic->refs[i] == st)
 848                     used = 1;
 849             }
 850             if (!used) {
 851                 // Usually each picture always uses all of the others in the
 852                 // DPB as references.  The one case we have to treat here is
 853                 // a non-IDR IRAP picture, which may need to hold unused
 854                 // references across itself to be used for the decoding of
 855                 // following RASL pictures.  This looks for such an RASL
 856                 // picture, and keeps the reference if there is one.
 857                 VAAPIEncodePicture *rp;
 858                 for (rp = ctx->pic_start; rp; rp = rp->next) {
 859                     if (rp->encode_order < pic->encode_order)
 860                         continue;
 861                     if (rp->type != PICTURE_TYPE_B)
 862                         continue;
 863                     if (rp->refs[0] == st && rp->refs[1] == pic)
 864                         break;
 865                 }
 866                 if (!rp)
 867                     continue;
 868             }
 869             // This only works for one instance of each (delta_poc_sN_minus1
 870             // is relative to the previous frame in the list, not relative to
 871             // the current frame directly).
 872             if (st->display_order < pic->display_order) {
 873                 rps->delta_poc_s0_minus1[rps->num_negative_pics] =
 874                     pic->display_order - st->display_order - 1;
 875                 rps->used_by_curr_pic_s0_flag[rps->num_negative_pics] = used;
 876                 ++rps->num_negative_pics;
 877             } else {
 878                 rps->delta_poc_s1_minus1[rps->num_positive_pics] =
 879                     st->display_order - pic->display_order - 1;
 880                 rps->used_by_curr_pic_s1_flag[rps->num_positive_pics] = used;
 881                 ++rps->num_positive_pics;
 882             }
 883         }
 884
 885         sh->num_long_term_sps  = 0;
 886         sh->num_long_term_pics = 0;
 887
 888         sh->slice_temporal_mvp_enabled_flag =
 889             sps->sps_temporal_mvp_enabled_flag;
 890         if (sh->slice_temporal_mvp_enabled_flag) {
 891             sh->collocated_from_l0_flag = sh->slice_type == HEVC_SLICE_B;
 892             sh->collocated_ref_idx      = 0;
 893         }
 894
 895         sh->num_ref_idx_active_override_flag = 0;
 896         sh->num_ref_idx_l0_active_minus1 = pps->num_ref_idx_l0_default_active_minus1;
 897         sh->num_ref_idx_l1_active_minus1 = pps->num_ref_idx_l1_default_active_minus1;
 898     }
 899
 900     sh->slice_sao_luma_flag = sh->slice_sao_chroma_flag =
 901         sps->sample_adaptive_offset_enabled_flag;
 902
 903     if (pic->type == PICTURE_TYPE_B)
 904         sh->slice_qp_delta = priv->fixed_qp_b - (pps->init_qp_minus26 + 26);
 905     else if (pic->type == PICTURE_TYPE_P)
 906         sh->slice_qp_delta = priv->fixed_qp_p - (pps->init_qp_minus26 + 26);
 907     else
 908         sh->slice_qp_delta = priv->fixed_qp_idr - (pps->init_qp_minus26 + 26);
 909
 910
 911     *vslice = (VAEncSliceParameterBufferHEVC) {
 912         .slice_segment_address = sh->slice_segment_address,
 913         .num_ctu_in_slice      = priv->ctu_width * priv->ctu_height,
 914
 915         .slice_type                 = sh->slice_type,
 916         .slice_pic_parameter_set_id = sh->slice_pic_parameter_set_id,
 917
 918         .num_ref_idx_l0_active_minus1 = sh->num_ref_idx_l0_active_minus1,
 919         .num_ref_idx_l1_active_minus1 = sh->num_ref_idx_l1_active_minus1,
 920
 921         .luma_log2_weight_denom         = sh->luma_log2_weight_denom,
 922         .delta_chroma_log2_weight_denom = sh->delta_chroma_log2_weight_denom,
 923
 924         .max_num_merge_cand = 5 - sh->five_minus_max_num_merge_cand,
 925
 926         .slice_qp_delta     = sh->slice_qp_delta,
 927         .slice_cb_qp_offset = sh->slice_cb_qp_offset,
 928         .slice_cr_qp_offset = sh->slice_cr_qp_offset,
 929
 930         .slice_beta_offset_div2 = sh->slice_beta_offset_div2,
 931         .slice_tc_offset_div2   = sh->slice_tc_offset_div2,
 932
 933         .slice_fields.bits = {
 934             .last_slice_of_pic_flag       = 1,
 935             .dependent_slice_segment_flag = sh->dependent_slice_segment_flag,
 936             .colour_plane_id              = sh->colour_plane_id,
 937             .slice_temporal_mvp_enabled_flag =
 938                 sh->slice_temporal_mvp_enabled_flag,
 939             .slice_sao_luma_flag          = sh->slice_sao_luma_flag,
 940             .slice_sao_chroma_flag        = sh->slice_sao_chroma_flag,
 941             .num_ref_idx_active_override_flag =
 942                 sh->num_ref_idx_active_override_flag,
 943             .mvd_l1_zero_flag             = sh->mvd_l1_zero_flag,
 944             .cabac_init_flag              = sh->cabac_init_flag,
 945             .slice_deblocking_filter_disabled_flag =
 946                 sh->slice_deblocking_filter_disabled_flag,
 947             .slice_loop_filter_across_slices_enabled_flag =
 948                 sh->slice_loop_filter_across_slices_enabled_flag,
 949             .collocated_from_l0_flag      = sh->collocated_from_l0_flag,
 950         },
 951     };
 952
 953     for (i = 0; i < FF_ARRAY_ELEMS(vslice->ref_pic_list0); i++) {
 954         vslice->ref_pic_list0[i].picture_id = VA_INVALID_ID;
 955         vslice->ref_pic_list0[i].flags      = VA_PICTURE_HEVC_INVALID;
 956         vslice->ref_pic_list1[i].picture_id = VA_INVALID_ID;
 957         vslice->ref_pic_list1[i].flags      = VA_PICTURE_HEVC_INVALID;
 958     }
 959
 960     av_assert0(pic->nb_refs <= 2);
 961     if (pic->nb_refs >= 1) {
 962         // Backward reference for P- or B-frame.
 963         av_assert0(pic->type == PICTURE_TYPE_P ||
 964                    pic->type == PICTURE_TYPE_B);
 965         vslice->ref_pic_list0[0] = vpic->reference_frames[0];
 966     }
 967     if (pic->nb_refs >= 2) {
 968         // Forward reference for B-frame.
 969         av_assert0(pic->type == PICTURE_TYPE_B);
 970         vslice->ref_pic_list1[0] = vpic->reference_frames[1];
 971     }
 972
 973     return 0;
 974 }
 975
 976 static av_cold int vaapi_encode_h265_configure(AVCodecContext *avctx)
 977 {
 978     VAAPIEncodeContext      *ctx = avctx->priv_data;
 979     VAAPIEncodeH265Context *priv = avctx->priv_data;
 980     int err;
 981
 982     err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_HEVC, avctx);
 983     if (err < 0)
 984         return err;
 985
 986     priv->ctu_width     = FFALIGN(ctx->surface_width,  32) / 32;
 987     priv->ctu_height    = FFALIGN(ctx->surface_height, 32) / 32;
 988
 989     av_log(avctx, AV_LOG_VERBOSE, "Input %ux%u -> Surface %ux%u -> CTU %ux%u.\n",
 990            avctx->width, avctx->height, ctx->surface_width,
 991            ctx->surface_height, priv->ctu_width, priv->ctu_height);
 992
 993     if (ctx->va_rc_mode == VA_RC_CQP) {
 994         priv->fixed_qp_p = priv->qp;
 995         if (avctx->i_quant_factor > 0.0)
 996             priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor +
 997                                         avctx->i_quant_offset) + 0.5);
 998         else
 999             priv->fixed_qp_idr = priv->fixed_qp_p;
1000         if (avctx->b_quant_factor > 0.0)
1001             priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor +
1002                                       avctx->b_quant_offset) + 0.5);
1003         else
1004             priv->fixed_qp_b = priv->fixed_qp_p;
1005
1006         av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "
1007                "%d / %d / %d for IDR- / P- / B-frames.\n",
1008                priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
1009
1010     } else if (ctx->va_rc_mode == VA_RC_CBR ||
1011                ctx->va_rc_mode == VA_RC_VBR) {
1012         // These still need to be  set for pic_init_qp/slice_qp_delta.
1013         priv->fixed_qp_idr = 30;
1014         priv->fixed_qp_p   = 30;
1015         priv->fixed_qp_b   = 30;
1016
1017     } else {
1018         av_assert0(0 && "Invalid RC mode.");
1019     }
1020
1021     return 0;
1022 }
1023
1024 static const VAAPIEncodeProfile vaapi_encode_h265_profiles[] = {
1025     { FF_PROFILE_HEVC_MAIN,     8, 3, 1, 1, VAProfileHEVCMain       },
1026 #if VA_CHECK_VERSION(0, 37, 0)
1027     { FF_PROFILE_HEVC_MAIN_10, 10, 3, 1, 1, VAProfileHEVCMain10     },
1028 #endif
1029     { FF_PROFILE_UNKNOWN }
1030 };
1031
1032 static const VAAPIEncodeType vaapi_encode_type_h265 = {
1033     .profiles              = vaapi_encode_h265_profiles,
1034
1035     .configure             = &vaapi_encode_h265_configure,
1036
1037     .sequence_params_size  = sizeof(VAEncSequenceParameterBufferHEVC),
1038     .init_sequence_params  = &vaapi_encode_h265_init_sequence_params,
1039
1040     .picture_params_size   = sizeof(VAEncPictureParameterBufferHEVC),
1041     .init_picture_params   = &vaapi_encode_h265_init_picture_params,
1042
1043     .slice_params_size     = sizeof(VAEncSliceParameterBufferHEVC),
1044     .init_slice_params     = &vaapi_encode_h265_init_slice_params,
1045
1046     .sequence_header_type  = VAEncPackedHeaderSequence,
1047     .write_sequence_header = &vaapi_encode_h265_write_sequence_header,
1048
1049     .slice_header_type     = VAEncPackedHeaderHEVC_Slice,
1050     .write_slice_header    = &vaapi_encode_h265_write_slice_header,
1051
1052     .write_extra_header    = &vaapi_encode_h265_write_extra_header,
1053 };
1054
1055 static av_cold int vaapi_encode_h265_init(AVCodecContext *avctx)
1056 {
1057     VAAPIEncodeContext      *ctx = avctx->priv_data;
1058     VAAPIEncodeH265Context *priv = avctx->priv_data;
1059
1060     ctx->codec = &vaapi_encode_type_h265;
1061
1062     if (avctx->profile == FF_PROFILE_UNKNOWN)
1063         avctx->profile = priv->profile;
1064     if (avctx->level == FF_LEVEL_UNKNOWN)
1065         avctx->level = priv->level;
1066
1067     ctx->va_packed_headers =
1068         VA_ENC_PACKED_HEADER_SEQUENCE | // VPS, SPS and PPS.
1069         VA_ENC_PACKED_HEADER_SLICE    | // Slice headers.
1070         VA_ENC_PACKED_HEADER_MISC;      // SEI
1071
1072     ctx->surface_width  = FFALIGN(avctx->width,  16);
1073     ctx->surface_height = FFALIGN(avctx->height, 16);
1074
1075     return ff_vaapi_encode_init(avctx);
1076 }
1077
1078 static av_cold int vaapi_encode_h265_close(AVCodecContext *avctx)
1079 {
1080     VAAPIEncodeH265Context *priv = avctx->priv_data;
1081
1082     ff_cbs_close(&priv->cbc);
1083
1084     return ff_vaapi_encode_close(avctx);
1085 }
1086
1087 #define OFFSET(x) offsetof(VAAPIEncodeH265Context, x)
1088 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
1089 static const AVOption vaapi_encode_h265_options[] = {
1090     VAAPI_ENCODE_COMMON_OPTIONS,
1091
1092     { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
1093       OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, 52, FLAGS },
1094
1095     { "aud", "Include AUD",
1096       OFFSET(aud), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
1097
1098     { "profile", "Set profile (general_profile_idc)",
1099       OFFSET(profile), AV_OPT_TYPE_INT,
1100       { .i64 = FF_PROFILE_UNKNOWN }, FF_PROFILE_UNKNOWN, 0xff, FLAGS, "profile" },
1101
1102 #define PROFILE(name, value)  name, NULL, 0, AV_OPT_TYPE_CONST, \
1103       { .i64 = value }, 0, 0, FLAGS, "profile"
1104     { PROFILE("main",               FF_PROFILE_HEVC_MAIN) },
1105     { PROFILE("main10",             FF_PROFILE_HEVC_MAIN_10) },
1106 #undef PROFILE
1107
1108     { "level", "Set level (general_level_idc)",
1109       OFFSET(level), AV_OPT_TYPE_INT,
1110       { .i64 = 153 }, 0x00, 0xff, FLAGS, "level" },
1111
1112 #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
1113       { .i64 = value }, 0, 0, FLAGS, "level"
1114     { LEVEL("1",    30) },
1115     { LEVEL("2",    60) },
1116     { LEVEL("2.1",  63) },
1117     { LEVEL("3",    90) },
1118     { LEVEL("3.1",  93) },
1119     { LEVEL("4",   120) },
1120     { LEVEL("4.1", 123) },
1121     { LEVEL("5",   150) },
1122     { LEVEL("5.1", 153) },
1123     { LEVEL("5.2", 156) },
1124     { LEVEL("6",   180) },
1125     { LEVEL("6.1", 183) },
1126     { LEVEL("6.2", 186) },
1127 #undef LEVEL
1128
1129     { "sei", "Set SEI to include",
1130       OFFSET(sei), AV_OPT_TYPE_FLAGS,
1131       { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },
1132       0, INT_MAX, FLAGS, "sei" },
1133     { "hdr",
1134       "Include HDR metadata for mastering display colour volume "
1135       "and content light level information",
1136       0, AV_OPT_TYPE_CONST,
1137       { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },
1138       INT_MIN, INT_MAX, FLAGS, "sei" },
1139
1140     { NULL },
1141 };
1142
1143 static const AVCodecDefault vaapi_encode_h265_defaults[] = {
1144     { "b",              "0"   },
1145     { "bf",             "2"   },
1146     { "g",              "120" },
1147     { "i_qfactor",      "1"   },
1148     { "i_qoffset",      "0"   },
1149     { "b_qfactor",      "6/5" },
1150     { "b_qoffset",      "0"   },
1151     { NULL },
1152 };
1153
1154 static const AVClass vaapi_encode_h265_class = {
1155     .class_name = "h265_vaapi",
1156     .item_name  = av_default_item_name,
1157     .option     = vaapi_encode_h265_options,
1158     .version    = LIBAVUTIL_VERSION_INT,
1159 };
1160
1161 AVCodec ff_hevc_vaapi_encoder = {
1162     .name           = "hevc_vaapi",
1163     .long_name      = NULL_IF_CONFIG_SMALL("H.265/HEVC (VAAPI)"),
1164     .type           = AVMEDIA_TYPE_VIDEO,
1165     .id             = AV_CODEC_ID_HEVC,
1166     .priv_data_size = sizeof(VAAPIEncodeH265Context),
1167     .init           = &vaapi_encode_h265_init,
1168     .encode2        = &ff_vaapi_encode2,
1169     .close          = &vaapi_encode_h265_close,
1170     .priv_class     = &vaapi_encode_h265_class,
1171     .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
1172     .defaults       = vaapi_encode_h265_defaults,
1173     .pix_fmts = (const enum AVPixelFormat[]) {
1174         AV_PIX_FMT_VAAPI,
1175         AV_PIX_FMT_NONE,
1176     },
1177     .wrapper_name   = "vaapi",
1178 };