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/pixdesc.h"
  27 #include "libavutil/opt.h"
  28 #include "libavutil/mastering_display_metadata.h"
  29
  30 #include "avcodec.h"
  31 #include "cbs.h"
  32 #include "cbs_h265.h"
  33 #include "h265_profile_level.h"
  34 #include "hevc.h"
  35 #include "hevc_sei.h"
  36 #include "internal.h"
  37 #include "put_bits.h"
  38 #include "vaapi_encode.h"
  39
  40 enum {
  41     SEI_MASTERING_DISPLAY       = 0x08,
  42     SEI_CONTENT_LIGHT_LEVEL     = 0x10,
  43 };
  44
  45 typedef struct VAAPIEncodeH265Context {
  46     VAAPIEncodeContext common;
  47
  48     // User options.
  49     int qp;
  50     int aud;
  51     int profile;
  52     int tier;
  53     int level;
  54     int sei;
  55
  56     // Derived settings.
  57     unsigned int ctu_width;
  58     unsigned int ctu_height;
  59
  60     int fixed_qp_idr;
  61     int fixed_qp_p;
  62     int fixed_qp_b;
  63
  64     // Stream state.
  65     int64_t last_idr_frame;
  66     int pic_order_cnt;
  67
  68     int slice_nal_unit;
  69     int slice_type;
  70     int pic_type;
  71
  72     // Writer structures.
  73     H265RawAUD   raw_aud;
  74     H265RawVPS   raw_vps;
  75     H265RawSPS   raw_sps;
  76     H265RawPPS   raw_pps;
  77     H265RawSEI   raw_sei;
  78     H265RawSlice raw_slice;
  79
  80     H265RawSEIMasteringDisplayColourVolume sei_mastering_display;
  81     H265RawSEIContentLightLevelInfo        sei_content_light_level;
  82
  83     CodedBitstreamContext *cbc;
  84     CodedBitstreamFragment current_access_unit;
  85     int aud_needed;
  86     int sei_needed;
  87 } VAAPIEncodeH265Context;
  88
  89
  90 static int vaapi_encode_h265_write_access_unit(AVCodecContext *avctx,
  91                                                char *data, size_t *data_len,
  92                                                CodedBitstreamFragment *au)
  93 {
  94     VAAPIEncodeH265Context *priv = avctx->priv_data;
  95     int err;
  96
  97     err = ff_cbs_write_fragment_data(priv->cbc, au);
  98     if (err < 0) {
  99         av_log(avctx, AV_LOG_ERROR, "Failed to write packed header.\n");
 100         return err;
 101     }
 102
 103     if (*data_len < 8 * au->data_size - au->data_bit_padding) {
 104         av_log(avctx, AV_LOG_ERROR, "Access unit too large: "
 105                "%zu < %zu.\n", *data_len,
 106                8 * au->data_size - au->data_bit_padding);
 107         return AVERROR(ENOSPC);
 108     }
 109
 110     memcpy(data, au->data, au->data_size);
 111     *data_len = 8 * au->data_size - au->data_bit_padding;
 112
 113     return 0;
 114 }
 115
 116 static int vaapi_encode_h265_add_nal(AVCodecContext *avctx,
 117                                      CodedBitstreamFragment *au,
 118                                      void *nal_unit)
 119 {
 120     VAAPIEncodeH265Context *priv = avctx->priv_data;
 121     H265RawNALUnitHeader *header = nal_unit;
 122     int err;
 123
 124     err = ff_cbs_insert_unit_content(priv->cbc, au, -1,
 125                                      header->nal_unit_type, nal_unit, NULL);
 126     if (err < 0) {
 127         av_log(avctx, AV_LOG_ERROR, "Failed to add NAL unit: "
 128                "type = %d.\n", header->nal_unit_type);
 129         return err;
 130     }
 131
 132     return 0;
 133 }
 134
 135 static int vaapi_encode_h265_write_sequence_header(AVCodecContext *avctx,
 136                                                    char *data, size_t *data_len)
 137 {
 138     VAAPIEncodeH265Context *priv = avctx->priv_data;
 139     CodedBitstreamFragment   *au = &priv->current_access_unit;
 140     int err;
 141
 142     if (priv->aud_needed) {
 143         err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_aud);
 144         if (err < 0)
 145             goto fail;
 146         priv->aud_needed = 0;
 147     }
 148
 149     err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_vps);
 150     if (err < 0)
 151         goto fail;
 152
 153     err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_sps);
 154     if (err < 0)
 155         goto fail;
 156
 157     err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_pps);
 158     if (err < 0)
 159         goto fail;
 160
 161     err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
 162 fail:
 163     ff_cbs_fragment_uninit(priv->cbc, au);
 164     return err;
 165 }
 166
 167 static int vaapi_encode_h265_write_slice_header(AVCodecContext *avctx,
 168                                                 VAAPIEncodePicture *pic,
 169                                                 VAAPIEncodeSlice *slice,
 170                                                 char *data, size_t *data_len)
 171 {
 172     VAAPIEncodeH265Context *priv = avctx->priv_data;
 173     CodedBitstreamFragment   *au = &priv->current_access_unit;
 174     int err;
 175
 176     if (priv->aud_needed) {
 177         err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_aud);
 178         if (err < 0)
 179             goto fail;
 180         priv->aud_needed = 0;
 181     }
 182
 183     err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_slice);
 184     if (err < 0)
 185         goto fail;
 186
 187     err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
 188 fail:
 189     ff_cbs_fragment_uninit(priv->cbc, au);
 190     return err;
 191 }
 192
 193 static int vaapi_encode_h265_write_extra_header(AVCodecContext *avctx,
 194                                                 VAAPIEncodePicture *pic,
 195                                                 int index, int *type,
 196                                                 char *data, size_t *data_len)
 197 {
 198     VAAPIEncodeH265Context *priv = avctx->priv_data;
 199     CodedBitstreamFragment   *au = &priv->current_access_unit;
 200     int err, i;
 201
 202     if (priv->sei_needed) {
 203         H265RawSEI *sei = &priv->raw_sei;
 204
 205         if (priv->aud_needed) {
 206             err = vaapi_encode_h265_add_nal(avctx, au, &priv->aud);
 207             if (err < 0)
 208                 goto fail;
 209             priv->aud_needed = 0;
 210         }
 211
 212         *sei = (H265RawSEI) {
 213             .nal_unit_header = {
 214                 .nal_unit_type         = HEVC_NAL_SEI_PREFIX,
 215                 .nuh_layer_id          = 0,
 216                 .nuh_temporal_id_plus1 = 1,
 217             },
 218         };
 219
 220         i = 0;
 221
 222         if (priv->sei_needed & SEI_MASTERING_DISPLAY) {
 223             sei->payload[i].payload_type = HEVC_SEI_TYPE_MASTERING_DISPLAY_INFO;
 224             sei->payload[i].payload.mastering_display = priv->sei_mastering_display;
 225             ++i;
 226         }
 227
 228         if (priv->sei_needed & SEI_CONTENT_LIGHT_LEVEL) {
 229             sei->payload[i].payload_type = HEVC_SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO;
 230             sei->payload[i].payload.content_light_level = priv->sei_content_light_level;
 231             ++i;
 232         }
 233
 234         sei->payload_count = i;
 235         av_assert0(sei->payload_count > 0);
 236
 237         err = vaapi_encode_h265_add_nal(avctx, au, sei);
 238         if (err < 0)
 239             goto fail;
 240         priv->sei_needed = 0;
 241
 242         err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
 243         if (err < 0)
 244             goto fail;
 245
 246         ff_cbs_fragment_uninit(priv->cbc, au);
 247
 248         *type = VAEncPackedHeaderRawData;
 249         return 0;
 250     } else {
 251         return AVERROR_EOF;
 252     }
 253
 254 fail:
 255     ff_cbs_fragment_uninit(priv->cbc, au);
 256     return err;
 257 }
 258
 259 static int vaapi_encode_h265_init_sequence_params(AVCodecContext *avctx)
 260 {
 261     VAAPIEncodeContext                *ctx = avctx->priv_data;
 262     VAAPIEncodeH265Context           *priv = avctx->priv_data;
 263     H265RawVPS                        *vps = &priv->raw_vps;
 264     H265RawSPS                        *sps = &priv->raw_sps;
 265     H265RawPPS                        *pps = &priv->raw_pps;
 266     H265RawProfileTierLevel           *ptl = &vps->profile_tier_level;
 267     H265RawVUI                        *vui = &sps->vui;
 268     VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params;
 269     VAEncPictureParameterBufferHEVC  *vpic = ctx->codec_picture_params;
 270     const AVPixFmtDescriptor *desc;
 271     int chroma_format, bit_depth;
 272     int i;
 273
 274     memset(&priv->current_access_unit, 0,
 275            sizeof(priv->current_access_unit));
 276
 277     memset(vps, 0, sizeof(*vps));
 278     memset(sps, 0, sizeof(*sps));
 279     memset(pps, 0, sizeof(*pps));
 280
 281
 282     desc = av_pix_fmt_desc_get(priv->common.input_frames->sw_format);
 283     av_assert0(desc);
 284     if (desc->nb_components == 1) {
 285         chroma_format = 0;
 286     } else {
 287         if (desc->log2_chroma_w == 1 && desc->log2_chroma_h == 1) {
 288             chroma_format = 1;
 289         } else if (desc->log2_chroma_w == 1 && desc->log2_chroma_h == 0) {
 290             chroma_format = 2;
 291         } else if (desc->log2_chroma_w == 0 && desc->log2_chroma_h == 0) {
 292             chroma_format = 3;
 293         } else {
 294             av_log(avctx, AV_LOG_ERROR, "Chroma format of input pixel format "
 295                    "%s is not supported.\n", desc->name);
 296             return AVERROR(EINVAL);
 297         }
 298     }
 299     bit_depth = desc->comp[0].depth;
 300
 301
 302     // VPS
 303
 304     vps->nal_unit_header = (H265RawNALUnitHeader) {
 305         .nal_unit_type         = HEVC_NAL_VPS,
 306         .nuh_layer_id          = 0,
 307         .nuh_temporal_id_plus1 = 1,
 308     };
 309
 310     vps->vps_video_parameter_set_id = 0;
 311
 312     vps->vps_base_layer_internal_flag  = 1;
 313     vps->vps_base_layer_available_flag = 1;
 314     vps->vps_max_layers_minus1         = 0;
 315     vps->vps_max_sub_layers_minus1     = 0;
 316     vps->vps_temporal_id_nesting_flag  = 1;
 317
 318     ptl->general_profile_space = 0;
 319     ptl->general_profile_idc   = avctx->profile;
 320     ptl->general_tier_flag     = priv->tier;
 321
 322     if (chroma_format == 1) {
 323         ptl->general_profile_compatibility_flag[1] = bit_depth ==  8;
 324         ptl->general_profile_compatibility_flag[2] = bit_depth <= 10;
 325     }
 326     ptl->general_profile_compatibility_flag[4] = 1;
 327
 328     ptl->general_progressive_source_flag    = 1;
 329     ptl->general_interlaced_source_flag     = 0;
 330     ptl->general_non_packed_constraint_flag = 1;
 331     ptl->general_frame_only_constraint_flag = 1;
 332
 333     ptl->general_max_12bit_constraint_flag = bit_depth <= 12;
 334     ptl->general_max_10bit_constraint_flag = bit_depth <= 10;
 335     ptl->general_max_8bit_constraint_flag  = bit_depth ==  8;
 336
 337     ptl->general_max_422chroma_constraint_flag  = chroma_format <= 2;
 338     ptl->general_max_420chroma_constraint_flag  = chroma_format <= 1;
 339     ptl->general_max_monochrome_constraint_flag = chroma_format == 0;
 340
 341     ptl->general_intra_constraint_flag = ctx->gop_size == 1;
 342
 343     ptl->general_lower_bit_rate_constraint_flag = 1;
 344
 345     if (avctx->level != FF_LEVEL_UNKNOWN) {
 346         ptl->general_level_idc = avctx->level;
 347     } else {
 348         const H265LevelDescriptor *level;
 349
 350         level = ff_h265_guess_level(ptl, avctx->bit_rate,
 351                                     ctx->surface_width, ctx->surface_height,
 352                                     1, 1, 1, (ctx->b_per_p > 0) + 1);
 353         if (level) {
 354             av_log(avctx, AV_LOG_VERBOSE, "Using level %s.\n", level->name);
 355             ptl->general_level_idc = level->level_idc;
 356         } else {
 357             av_log(avctx, AV_LOG_VERBOSE, "Stream will not conform to "
 358                    "any normal level; using level 8.5.\n");
 359             ptl->general_level_idc = 255;
 360             // The tier flag must be set in level 8.5.
 361             ptl->general_tier_flag = 1;
 362         }
 363     }
 364
 365     vps->vps_sub_layer_ordering_info_present_flag = 0;
 366     vps->vps_max_dec_pic_buffering_minus1[0]      = (ctx->b_per_p > 0) + 1;
 367     vps->vps_max_num_reorder_pics[0]              = (ctx->b_per_p > 0);
 368     vps->vps_max_latency_increase_plus1[0]        = 0;
 369
 370     vps->vps_max_layer_id             = 0;
 371     vps->vps_num_layer_sets_minus1    = 0;
 372     vps->layer_id_included_flag[0][0] = 1;
 373
 374     vps->vps_timing_info_present_flag = 1;
 375     if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
 376         vps->vps_num_units_in_tick  = avctx->framerate.den;
 377         vps->vps_time_scale         = avctx->framerate.num;
 378         vps->vps_poc_proportional_to_timing_flag = 1;
 379         vps->vps_num_ticks_poc_diff_one_minus1   = 0;
 380     } else {
 381         vps->vps_num_units_in_tick  = avctx->time_base.num;
 382         vps->vps_time_scale         = avctx->time_base.den;
 383         vps->vps_poc_proportional_to_timing_flag = 0;
 384     }
 385     vps->vps_num_hrd_parameters = 0;
 386
 387
 388     // SPS
 389
 390     sps->nal_unit_header = (H265RawNALUnitHeader) {
 391         .nal_unit_type         = HEVC_NAL_SPS,
 392         .nuh_layer_id          = 0,
 393         .nuh_temporal_id_plus1 = 1,
 394     };
 395
 396     sps->sps_video_parameter_set_id = vps->vps_video_parameter_set_id;
 397
 398     sps->sps_max_sub_layers_minus1    = vps->vps_max_sub_layers_minus1;
 399     sps->sps_temporal_id_nesting_flag = vps->vps_temporal_id_nesting_flag;
 400
 401     sps->profile_tier_level = vps->profile_tier_level;
 402
 403     sps->sps_seq_parameter_set_id = 0;
 404
 405     sps->chroma_format_idc          = chroma_format;
 406     sps->separate_colour_plane_flag = 0;
 407
 408     sps->pic_width_in_luma_samples  = ctx->surface_width;
 409     sps->pic_height_in_luma_samples = ctx->surface_height;
 410
 411     if (avctx->width  != ctx->surface_width ||
 412         avctx->height != ctx->surface_height) {
 413         sps->conformance_window_flag = 1;
 414         sps->conf_win_left_offset   = 0;
 415         sps->conf_win_right_offset  =
 416             (ctx->surface_width - avctx->width) / 2;
 417         sps->conf_win_top_offset    = 0;
 418         sps->conf_win_bottom_offset =
 419             (ctx->surface_height - avctx->height) / 2;
 420     } else {
 421         sps->conformance_window_flag = 0;
 422     }
 423
 424     sps->bit_depth_luma_minus8   = bit_depth - 8;
 425     sps->bit_depth_chroma_minus8 = bit_depth - 8;
 426
 427     sps->log2_max_pic_order_cnt_lsb_minus4 = 8;
 428
 429     sps->sps_sub_layer_ordering_info_present_flag =
 430         vps->vps_sub_layer_ordering_info_present_flag;
 431     for (i = 0; i <= sps->sps_max_sub_layers_minus1; i++) {
 432         sps->sps_max_dec_pic_buffering_minus1[i] =
 433             vps->vps_max_dec_pic_buffering_minus1[i];
 434         sps->sps_max_num_reorder_pics[i] =
 435             vps->vps_max_num_reorder_pics[i];
 436         sps->sps_max_latency_increase_plus1[i] =
 437             vps->vps_max_latency_increase_plus1[i];
 438     }
 439
 440     // These have to come from the capabilities of the encoder.  We have no
 441     // way to query them, so just hardcode parameters which work on the Intel
 442     // driver.
 443     // CTB size from 8x8 to 32x32.
 444     sps->log2_min_luma_coding_block_size_minus3   = 0;
 445     sps->log2_diff_max_min_luma_coding_block_size = 2;
 446     // Transform size from 4x4 to 32x32.
 447     sps->log2_min_luma_transform_block_size_minus2   = 0;
 448     sps->log2_diff_max_min_luma_transform_block_size = 3;
 449     // Full transform hierarchy allowed (2-5).
 450     sps->max_transform_hierarchy_depth_inter = 3;
 451     sps->max_transform_hierarchy_depth_intra = 3;
 452     // AMP works.
 453     sps->amp_enabled_flag = 1;
 454     // SAO and temporal MVP do not work.
 455     sps->sample_adaptive_offset_enabled_flag = 0;
 456     sps->sps_temporal_mvp_enabled_flag       = 0;
 457
 458     sps->pcm_enabled_flag = 0;
 459
 460     // STRPSs should ideally be here rather than defined individually in
 461     // each slice, but the structure isn't completely fixed so for now
 462     // don't bother.
 463     sps->num_short_term_ref_pic_sets     = 0;
 464     sps->long_term_ref_pics_present_flag = 0;
 465
 466     sps->vui_parameters_present_flag = 1;
 467
 468     if (avctx->sample_aspect_ratio.num != 0 &&
 469         avctx->sample_aspect_ratio.den != 0) {
 470         static const AVRational sar_idc[] = {
 471             {   0,  0 },
 472             {   1,  1 }, {  12, 11 }, {  10, 11 }, {  16, 11 },
 473             {  40, 33 }, {  24, 11 }, {  20, 11 }, {  32, 11 },
 474             {  80, 33 }, {  18, 11 }, {  15, 11 }, {  64, 33 },
 475             { 160, 99 }, {   4,  3 }, {   3,  2 }, {   2,  1 },
 476         };
 477         int i;
 478         for (i = 0; i < FF_ARRAY_ELEMS(sar_idc); i++) {
 479             if (avctx->sample_aspect_ratio.num == sar_idc[i].num &&
 480                 avctx->sample_aspect_ratio.den == sar_idc[i].den) {
 481                 vui->aspect_ratio_idc = i;
 482                 break;
 483             }
 484         }
 485         if (i >= FF_ARRAY_ELEMS(sar_idc)) {
 486             vui->aspect_ratio_idc = 255;
 487             vui->sar_width  = avctx->sample_aspect_ratio.num;
 488             vui->sar_height = avctx->sample_aspect_ratio.den;
 489         }
 490         vui->aspect_ratio_info_present_flag = 1;
 491     }
 492
 493     if (avctx->color_range     != AVCOL_RANGE_UNSPECIFIED ||
 494         avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
 495         avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||
 496         avctx->colorspace      != AVCOL_SPC_UNSPECIFIED) {
 497         vui->video_signal_type_present_flag = 1;
 498         vui->video_format      = 5; // Unspecified.
 499         vui->video_full_range_flag =
 500             avctx->color_range == AVCOL_RANGE_JPEG;
 501
 502         if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
 503             avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||
 504             avctx->colorspace      != AVCOL_SPC_UNSPECIFIED) {
 505             vui->colour_description_present_flag = 1;
 506             vui->colour_primaries         = avctx->color_primaries;
 507             vui->transfer_characteristics = avctx->color_trc;
 508             vui->matrix_coefficients      = avctx->colorspace;
 509         }
 510     } else {
 511         vui->video_format             = 5;
 512         vui->video_full_range_flag    = 0;
 513         vui->colour_primaries         = avctx->color_primaries;
 514         vui->transfer_characteristics = avctx->color_trc;
 515         vui->matrix_coefficients      = avctx->colorspace;
 516     }
 517
 518     if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) {
 519         vui->chroma_loc_info_present_flag = 1;
 520         vui->chroma_sample_loc_type_top_field    =
 521         vui->chroma_sample_loc_type_bottom_field =
 522             avctx->chroma_sample_location - 1;
 523     }
 524
 525     vui->vui_timing_info_present_flag        = 1;
 526     vui->vui_num_units_in_tick               = vps->vps_num_units_in_tick;
 527     vui->vui_time_scale                      = vps->vps_time_scale;
 528     vui->vui_poc_proportional_to_timing_flag = vps->vps_poc_proportional_to_timing_flag;
 529     vui->vui_num_ticks_poc_diff_one_minus1   = vps->vps_num_ticks_poc_diff_one_minus1;
 530     vui->vui_hrd_parameters_present_flag     = 0;
 531
 532     vui->bitstream_restriction_flag    = 1;
 533     vui->motion_vectors_over_pic_boundaries_flag = 1;
 534     vui->restricted_ref_pic_lists_flag = 1;
 535     vui->max_bytes_per_pic_denom       = 0;
 536     vui->max_bits_per_min_cu_denom     = 0;
 537     vui->log2_max_mv_length_horizontal = 15;
 538     vui->log2_max_mv_length_vertical   = 15;
 539
 540
 541     // PPS
 542
 543     pps->nal_unit_header = (H265RawNALUnitHeader) {
 544         .nal_unit_type         = HEVC_NAL_PPS,
 545         .nuh_layer_id          = 0,
 546         .nuh_temporal_id_plus1 = 1,
 547     };
 548
 549     pps->pps_pic_parameter_set_id = 0;
 550     pps->pps_seq_parameter_set_id = sps->sps_seq_parameter_set_id;
 551
 552     pps->num_ref_idx_l0_default_active_minus1 = 0;
 553     pps->num_ref_idx_l1_default_active_minus1 = 0;
 554
 555     pps->init_qp_minus26 = priv->fixed_qp_idr - 26;
 556
 557     pps->cu_qp_delta_enabled_flag = (ctx->va_rc_mode != VA_RC_CQP);
 558     pps->diff_cu_qp_delta_depth   = 0;
 559
 560     pps->pps_loop_filter_across_slices_enabled_flag = 1;
 561
 562
 563     // Fill VAAPI parameter buffers.
 564
 565     *vseq = (VAEncSequenceParameterBufferHEVC) {
 566         .general_profile_idc = vps->profile_tier_level.general_profile_idc,
 567         .general_level_idc   = vps->profile_tier_level.general_level_idc,
 568         .general_tier_flag   = vps->profile_tier_level.general_tier_flag,
 569
 570         .intra_period     = ctx->gop_size,
 571         .intra_idr_period = ctx->gop_size,
 572         .ip_period        = ctx->b_per_p + 1,
 573         .bits_per_second  = ctx->va_bit_rate,
 574
 575         .pic_width_in_luma_samples  = sps->pic_width_in_luma_samples,
 576         .pic_height_in_luma_samples = sps->pic_height_in_luma_samples,
 577
 578         .seq_fields.bits = {
 579             .chroma_format_idc             = sps->chroma_format_idc,
 580             .separate_colour_plane_flag    = sps->separate_colour_plane_flag,
 581             .bit_depth_luma_minus8         = sps->bit_depth_luma_minus8,
 582             .bit_depth_chroma_minus8       = sps->bit_depth_chroma_minus8,
 583             .scaling_list_enabled_flag     = sps->scaling_list_enabled_flag,
 584             .strong_intra_smoothing_enabled_flag =
 585                 sps->strong_intra_smoothing_enabled_flag,
 586             .amp_enabled_flag              = sps->amp_enabled_flag,
 587             .sample_adaptive_offset_enabled_flag =
 588                 sps->sample_adaptive_offset_enabled_flag,
 589             .pcm_enabled_flag              = sps->pcm_enabled_flag,
 590             .pcm_loop_filter_disabled_flag = sps->pcm_loop_filter_disabled_flag,
 591             .sps_temporal_mvp_enabled_flag = sps->sps_temporal_mvp_enabled_flag,
 592         },
 593
 594         .log2_min_luma_coding_block_size_minus3 =
 595             sps->log2_min_luma_coding_block_size_minus3,
 596         .log2_diff_max_min_luma_coding_block_size =
 597             sps->log2_diff_max_min_luma_coding_block_size,
 598         .log2_min_transform_block_size_minus2 =
 599             sps->log2_min_luma_transform_block_size_minus2,
 600         .log2_diff_max_min_transform_block_size =
 601             sps->log2_diff_max_min_luma_transform_block_size,
 602         .max_transform_hierarchy_depth_inter =
 603             sps->max_transform_hierarchy_depth_inter,
 604         .max_transform_hierarchy_depth_intra =
 605             sps->max_transform_hierarchy_depth_intra,
 606
 607         .pcm_sample_bit_depth_luma_minus1 =
 608             sps->pcm_sample_bit_depth_luma_minus1,
 609         .pcm_sample_bit_depth_chroma_minus1 =
 610             sps->pcm_sample_bit_depth_chroma_minus1,
 611         .log2_min_pcm_luma_coding_block_size_minus3 =
 612             sps->log2_min_pcm_luma_coding_block_size_minus3,
 613         .log2_max_pcm_luma_coding_block_size_minus3 =
 614             sps->log2_min_pcm_luma_coding_block_size_minus3 +
 615             sps->log2_diff_max_min_pcm_luma_coding_block_size,
 616
 617         .vui_parameters_present_flag = 0,
 618     };
 619
 620     *vpic = (VAEncPictureParameterBufferHEVC) {
 621         .decoded_curr_pic = {
 622             .picture_id = VA_INVALID_ID,
 623             .flags      = VA_PICTURE_HEVC_INVALID,
 624         },
 625
 626         .coded_buf = VA_INVALID_ID,
 627
 628         .collocated_ref_pic_index = 0xff,
 629
 630         .last_picture = 0,
 631
 632         .pic_init_qp            = pps->init_qp_minus26 + 26,
 633         .diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth,
 634         .pps_cb_qp_offset       = pps->pps_cb_qp_offset,
 635         .pps_cr_qp_offset       = pps->pps_cr_qp_offset,
 636
 637         .num_tile_columns_minus1 = pps->num_tile_columns_minus1,
 638         .num_tile_rows_minus1    = pps->num_tile_rows_minus1,
 639
 640         .log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level_minus2,
 641         .ctu_max_bitsize_allowed          = 0,
 642
 643         .num_ref_idx_l0_default_active_minus1 =
 644             pps->num_ref_idx_l0_default_active_minus1,
 645         .num_ref_idx_l1_default_active_minus1 =
 646             pps->num_ref_idx_l1_default_active_minus1,
 647
 648         .slice_pic_parameter_set_id = pps->pps_pic_parameter_set_id,
 649
 650         .pic_fields.bits = {
 651             .sign_data_hiding_enabled_flag  = pps->sign_data_hiding_enabled_flag,
 652             .constrained_intra_pred_flag    = pps->constrained_intra_pred_flag,
 653             .transform_skip_enabled_flag    = pps->transform_skip_enabled_flag,
 654             .cu_qp_delta_enabled_flag       = pps->cu_qp_delta_enabled_flag,
 655             .weighted_pred_flag             = pps->weighted_pred_flag,
 656             .weighted_bipred_flag           = pps->weighted_bipred_flag,
 657             .transquant_bypass_enabled_flag = pps->transquant_bypass_enabled_flag,
 658             .tiles_enabled_flag             = pps->tiles_enabled_flag,
 659             .entropy_coding_sync_enabled_flag = pps->entropy_coding_sync_enabled_flag,
 660             .loop_filter_across_tiles_enabled_flag =
 661                 pps->loop_filter_across_tiles_enabled_flag,
 662             .scaling_list_data_present_flag = (sps->sps_scaling_list_data_present_flag |
 663                                                pps->pps_scaling_list_data_present_flag),
 664             .screen_content_flag            = 0,
 665             .enable_gpu_weighted_prediction = 0,
 666             .no_output_of_prior_pics_flag   = 0,
 667         },
 668     };
 669
 670     return 0;
 671 }
 672
 673 static int vaapi_encode_h265_init_picture_params(AVCodecContext *avctx,
 674                                                  VAAPIEncodePicture *pic)
 675 {
 676     VAAPIEncodeH265Context          *priv = avctx->priv_data;
 677     VAEncPictureParameterBufferHEVC *vpic = pic->codec_picture_params;
 678     int i;
 679
 680     if (pic->type == PICTURE_TYPE_IDR) {
 681         av_assert0(pic->display_order == pic->encode_order);
 682
 683         priv->last_idr_frame = pic->display_order;
 684
 685         priv->slice_nal_unit = HEVC_NAL_IDR_W_RADL;
 686         priv->slice_type     = HEVC_SLICE_I;
 687         priv->pic_type       = 0;
 688     } else {
 689         av_assert0(pic->encode_order > priv->last_idr_frame);
 690
 691         if (pic->type == PICTURE_TYPE_I) {
 692             priv->slice_nal_unit = HEVC_NAL_CRA_NUT;
 693             priv->slice_type     = HEVC_SLICE_I;
 694             priv->pic_type       = 0;
 695         } else if (pic->type == PICTURE_TYPE_P) {
 696             av_assert0(pic->refs[0]);
 697             priv->slice_nal_unit = HEVC_NAL_TRAIL_R;
 698             priv->slice_type     = HEVC_SLICE_P;
 699             priv->pic_type       = 1;
 700         } else {
 701             av_assert0(pic->refs[0] && pic->refs[1]);
 702             if (pic->refs[1]->type == PICTURE_TYPE_I)
 703                 priv->slice_nal_unit = HEVC_NAL_RASL_N;
 704             else
 705                 priv->slice_nal_unit = HEVC_NAL_TRAIL_N;
 706             priv->slice_type = HEVC_SLICE_B;
 707             priv->pic_type   = 2;
 708         }
 709     }
 710     priv->pic_order_cnt = pic->display_order - priv->last_idr_frame;
 711
 712     if (priv->aud) {
 713         priv->aud_needed = 1;
 714         priv->raw_aud = (H265RawAUD) {
 715             .nal_unit_header = {
 716                 .nal_unit_type         = HEVC_NAL_AUD,
 717                 .nuh_layer_id          = 0,
 718                 .nuh_temporal_id_plus1 = 1,
 719             },
 720             .pic_type = priv->pic_type,
 721         };
 722     } else {
 723         priv->aud_needed = 0;
 724     }
 725
 726     priv->sei_needed = 0;
 727
 728     // Only look for the metadata on I/IDR frame on the output. We
 729     // may force an IDR frame on the output where the medadata gets
 730     // changed on the input frame.
 731     if ((priv->sei & SEI_MASTERING_DISPLAY) &&
 732         (pic->type == PICTURE_TYPE_I || pic->type == PICTURE_TYPE_IDR)) {
 733         AVFrameSideData *sd =
 734             av_frame_get_side_data(pic->input_image,
 735                                    AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
 736
 737         if (sd) {
 738             AVMasteringDisplayMetadata *mdm =
 739                 (AVMasteringDisplayMetadata *)sd->data;
 740
 741             // SEI is needed when both the primaries and luminance are set
 742             if (mdm->has_primaries && mdm->has_luminance) {
 743                 H265RawSEIMasteringDisplayColourVolume *mdcv =
 744                     &priv->sei_mastering_display;
 745                 const int mapping[3] = {1, 2, 0};
 746                 const int chroma_den = 50000;
 747                 const int luma_den   = 10000;
 748
 749                 for (i = 0; i < 3; i++) {
 750                     const int j = mapping[i];
 751                     mdcv->display_primaries_x[i] =
 752                         FFMIN(lrint(chroma_den *
 753                                     av_q2d(mdm->display_primaries[j][0])),
 754                               chroma_den);
 755                     mdcv->display_primaries_y[i] =
 756                         FFMIN(lrint(chroma_den *
 757                                     av_q2d(mdm->display_primaries[j][1])),
 758                               chroma_den);
 759                 }
 760
 761                 mdcv->white_point_x =
 762                     FFMIN(lrint(chroma_den * av_q2d(mdm->white_point[0])),
 763                           chroma_den);
 764                 mdcv->white_point_y =
 765                     FFMIN(lrint(chroma_den * av_q2d(mdm->white_point[1])),
 766                           chroma_den);
 767
 768                 mdcv->max_display_mastering_luminance =
 769                     lrint(luma_den * av_q2d(mdm->max_luminance));
 770                 mdcv->min_display_mastering_luminance =
 771                     FFMIN(lrint(luma_den * av_q2d(mdm->min_luminance)),
 772                           mdcv->max_display_mastering_luminance);
 773
 774                 priv->sei_needed |= SEI_MASTERING_DISPLAY;
 775             }
 776         }
 777     }
 778
 779     if ((priv->sei & SEI_CONTENT_LIGHT_LEVEL) &&
 780         (pic->type == PICTURE_TYPE_I || pic->type == PICTURE_TYPE_IDR)) {
 781         AVFrameSideData *sd =
 782             av_frame_get_side_data(pic->input_image,
 783                                    AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);
 784
 785         if (sd) {
 786             AVContentLightMetadata *clm =
 787                 (AVContentLightMetadata *)sd->data;
 788             H265RawSEIContentLightLevelInfo *clli =
 789                 &priv->sei_content_light_level;
 790
 791             clli->max_content_light_level     = FFMIN(clm->MaxCLL,  65535);
 792             clli->max_pic_average_light_level = FFMIN(clm->MaxFALL, 65535);
 793
 794             priv->sei_needed |= SEI_CONTENT_LIGHT_LEVEL;
 795         }
 796     }
 797
 798     vpic->decoded_curr_pic = (VAPictureHEVC) {
 799         .picture_id    = pic->recon_surface,
 800         .pic_order_cnt = priv->pic_order_cnt,
 801         .flags         = 0,
 802     };
 803
 804     for (i = 0; i < pic->nb_refs; i++) {
 805         VAAPIEncodePicture *ref = pic->refs[i];
 806         av_assert0(ref && ref->encode_order < pic->encode_order);
 807
 808         vpic->reference_frames[i] = (VAPictureHEVC) {
 809             .picture_id    = ref->recon_surface,
 810             .pic_order_cnt = ref->display_order - priv->last_idr_frame,
 811             .flags = (ref->display_order < pic->display_order ?
 812                       VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE : 0) |
 813                      (ref->display_order > pic->display_order ?
 814                       VA_PICTURE_HEVC_RPS_ST_CURR_AFTER  : 0),
 815         };
 816     }
 817     for (; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++) {
 818         vpic->reference_frames[i] = (VAPictureHEVC) {
 819             .picture_id = VA_INVALID_ID,
 820             .flags      = VA_PICTURE_HEVC_INVALID,
 821         };
 822     }
 823
 824     vpic->coded_buf = pic->output_buffer;
 825
 826     vpic->nal_unit_type = priv->slice_nal_unit;
 827
 828     switch (pic->type) {
 829     case PICTURE_TYPE_IDR:
 830         vpic->pic_fields.bits.idr_pic_flag       = 1;
 831         vpic->pic_fields.bits.coding_type        = 1;
 832         vpic->pic_fields.bits.reference_pic_flag = 1;
 833         break;
 834     case PICTURE_TYPE_I:
 835         vpic->pic_fields.bits.idr_pic_flag       = 0;
 836         vpic->pic_fields.bits.coding_type        = 1;
 837         vpic->pic_fields.bits.reference_pic_flag = 1;
 838         break;
 839     case PICTURE_TYPE_P:
 840         vpic->pic_fields.bits.idr_pic_flag       = 0;
 841         vpic->pic_fields.bits.coding_type        = 2;
 842         vpic->pic_fields.bits.reference_pic_flag = 1;
 843         break;
 844     case PICTURE_TYPE_B:
 845         vpic->pic_fields.bits.idr_pic_flag       = 0;
 846         vpic->pic_fields.bits.coding_type        = 3;
 847         vpic->pic_fields.bits.reference_pic_flag = 0;
 848         break;
 849     default:
 850         av_assert0(0 && "invalid picture type");
 851     }
 852
 853     pic->nb_slices = 1;
 854
 855     return 0;
 856 }
 857
 858 static int vaapi_encode_h265_init_slice_params(AVCodecContext *avctx,
 859                                                VAAPIEncodePicture *pic,
 860                                                VAAPIEncodeSlice *slice)
 861 {
 862     VAAPIEncodeContext                *ctx = avctx->priv_data;
 863     VAAPIEncodeH265Context           *priv = avctx->priv_data;
 864     const H265RawSPS                  *sps = &priv->raw_sps;
 865     const H265RawPPS                  *pps = &priv->raw_pps;
 866     H265RawSliceHeader                 *sh = &priv->raw_slice.header;
 867     VAEncPictureParameterBufferHEVC  *vpic = pic->codec_picture_params;
 868     VAEncSliceParameterBufferHEVC  *vslice = slice->codec_slice_params;
 869     int i;
 870
 871     sh->nal_unit_header = (H265RawNALUnitHeader) {
 872         .nal_unit_type         = priv->slice_nal_unit,
 873         .nuh_layer_id          = 0,
 874         .nuh_temporal_id_plus1 = 1,
 875     };
 876
 877     sh->slice_pic_parameter_set_id      = pps->pps_pic_parameter_set_id;
 878
 879     // Currently we only support one slice per frame.
 880     sh->first_slice_segment_in_pic_flag = 1;
 881     sh->slice_segment_address           = 0;
 882
 883     sh->slice_type = priv->slice_type;
 884
 885     sh->slice_pic_order_cnt_lsb = priv->pic_order_cnt &
 886         (1 << (sps->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1;
 887
 888     if (pic->type != PICTURE_TYPE_IDR) {
 889         H265RawSTRefPicSet *rps;
 890         VAAPIEncodePicture *st;
 891         int used;
 892
 893         sh->short_term_ref_pic_set_sps_flag = 0;
 894
 895         rps = &sh->short_term_ref_pic_set;
 896         memset(rps, 0, sizeof(*rps));
 897
 898         for (st = ctx->pic_start; st; st = st->next) {
 899             if (st->encode_order >= pic->encode_order) {
 900                 // Not yet in DPB.
 901                 continue;
 902             }
 903             used = 0;
 904             for (i = 0; i < pic->nb_refs; i++) {
 905                 if (pic->refs[i] == st)
 906                     used = 1;
 907             }
 908             if (!used) {
 909                 // Usually each picture always uses all of the others in the
 910                 // DPB as references.  The one case we have to treat here is
 911                 // a non-IDR IRAP picture, which may need to hold unused
 912                 // references across itself to be used for the decoding of
 913                 // following RASL pictures.  This looks for such an RASL
 914                 // picture, and keeps the reference if there is one.
 915                 VAAPIEncodePicture *rp;
 916                 for (rp = ctx->pic_start; rp; rp = rp->next) {
 917                     if (rp->encode_order < pic->encode_order)
 918                         continue;
 919                     if (rp->type != PICTURE_TYPE_B)
 920                         continue;
 921                     if (rp->refs[0] == st && rp->refs[1] == pic)
 922                         break;
 923                 }
 924                 if (!rp)
 925                     continue;
 926             }
 927             // This only works for one instance of each (delta_poc_sN_minus1
 928             // is relative to the previous frame in the list, not relative to
 929             // the current frame directly).
 930             if (st->display_order < pic->display_order) {
 931                 rps->delta_poc_s0_minus1[rps->num_negative_pics] =
 932                     pic->display_order - st->display_order - 1;
 933                 rps->used_by_curr_pic_s0_flag[rps->num_negative_pics] = used;
 934                 ++rps->num_negative_pics;
 935             } else {
 936                 rps->delta_poc_s1_minus1[rps->num_positive_pics] =
 937                     st->display_order - pic->display_order - 1;
 938                 rps->used_by_curr_pic_s1_flag[rps->num_positive_pics] = used;
 939                 ++rps->num_positive_pics;
 940             }
 941         }
 942
 943         sh->num_long_term_sps  = 0;
 944         sh->num_long_term_pics = 0;
 945
 946         sh->slice_temporal_mvp_enabled_flag =
 947             sps->sps_temporal_mvp_enabled_flag;
 948         if (sh->slice_temporal_mvp_enabled_flag) {
 949             sh->collocated_from_l0_flag = sh->slice_type == HEVC_SLICE_B;
 950             sh->collocated_ref_idx      = 0;
 951         }
 952
 953         sh->num_ref_idx_active_override_flag = 0;
 954         sh->num_ref_idx_l0_active_minus1 = pps->num_ref_idx_l0_default_active_minus1;
 955         sh->num_ref_idx_l1_active_minus1 = pps->num_ref_idx_l1_default_active_minus1;
 956     }
 957
 958     sh->slice_sao_luma_flag = sh->slice_sao_chroma_flag =
 959         sps->sample_adaptive_offset_enabled_flag;
 960
 961     if (pic->type == PICTURE_TYPE_B)
 962         sh->slice_qp_delta = priv->fixed_qp_b - (pps->init_qp_minus26 + 26);
 963     else if (pic->type == PICTURE_TYPE_P)
 964         sh->slice_qp_delta = priv->fixed_qp_p - (pps->init_qp_minus26 + 26);
 965     else
 966         sh->slice_qp_delta = priv->fixed_qp_idr - (pps->init_qp_minus26 + 26);
 967
 968
 969     *vslice = (VAEncSliceParameterBufferHEVC) {
 970         .slice_segment_address = sh->slice_segment_address,
 971         .num_ctu_in_slice      = priv->ctu_width * priv->ctu_height,
 972
 973         .slice_type                 = sh->slice_type,
 974         .slice_pic_parameter_set_id = sh->slice_pic_parameter_set_id,
 975
 976         .num_ref_idx_l0_active_minus1 = sh->num_ref_idx_l0_active_minus1,
 977         .num_ref_idx_l1_active_minus1 = sh->num_ref_idx_l1_active_minus1,
 978
 979         .luma_log2_weight_denom         = sh->luma_log2_weight_denom,
 980         .delta_chroma_log2_weight_denom = sh->delta_chroma_log2_weight_denom,
 981
 982         .max_num_merge_cand = 5 - sh->five_minus_max_num_merge_cand,
 983
 984         .slice_qp_delta     = sh->slice_qp_delta,
 985         .slice_cb_qp_offset = sh->slice_cb_qp_offset,
 986         .slice_cr_qp_offset = sh->slice_cr_qp_offset,
 987
 988         .slice_beta_offset_div2 = sh->slice_beta_offset_div2,
 989         .slice_tc_offset_div2   = sh->slice_tc_offset_div2,
 990
 991         .slice_fields.bits = {
 992             .last_slice_of_pic_flag       = 1,
 993             .dependent_slice_segment_flag = sh->dependent_slice_segment_flag,
 994             .colour_plane_id              = sh->colour_plane_id,
 995             .slice_temporal_mvp_enabled_flag =
 996                 sh->slice_temporal_mvp_enabled_flag,
 997             .slice_sao_luma_flag          = sh->slice_sao_luma_flag,
 998             .slice_sao_chroma_flag        = sh->slice_sao_chroma_flag,
 999             .num_ref_idx_active_override_flag =
1000                 sh->num_ref_idx_active_override_flag,
1001             .mvd_l1_zero_flag             = sh->mvd_l1_zero_flag,
1002             .cabac_init_flag              = sh->cabac_init_flag,
1003             .slice_deblocking_filter_disabled_flag =
1004                 sh->slice_deblocking_filter_disabled_flag,
1005             .slice_loop_filter_across_slices_enabled_flag =
1006                 sh->slice_loop_filter_across_slices_enabled_flag,
1007             .collocated_from_l0_flag      = sh->collocated_from_l0_flag,
1008         },
1009     };
1010
1011     for (i = 0; i < FF_ARRAY_ELEMS(vslice->ref_pic_list0); i++) {
1012         vslice->ref_pic_list0[i].picture_id = VA_INVALID_ID;
1013         vslice->ref_pic_list0[i].flags      = VA_PICTURE_HEVC_INVALID;
1014         vslice->ref_pic_list1[i].picture_id = VA_INVALID_ID;
1015         vslice->ref_pic_list1[i].flags      = VA_PICTURE_HEVC_INVALID;
1016     }
1017
1018     av_assert0(pic->nb_refs <= 2);
1019     if (pic->nb_refs >= 1) {
1020         // Backward reference for P- or B-frame.
1021         av_assert0(pic->type == PICTURE_TYPE_P ||
1022                    pic->type == PICTURE_TYPE_B);
1023         vslice->ref_pic_list0[0] = vpic->reference_frames[0];
1024     }
1025     if (pic->nb_refs >= 2) {
1026         // Forward reference for B-frame.
1027         av_assert0(pic->type == PICTURE_TYPE_B);
1028         vslice->ref_pic_list1[0] = vpic->reference_frames[1];
1029     }
1030
1031     return 0;
1032 }
1033
1034 static av_cold int vaapi_encode_h265_configure(AVCodecContext *avctx)
1035 {
1036     VAAPIEncodeContext      *ctx = avctx->priv_data;
1037     VAAPIEncodeH265Context *priv = avctx->priv_data;
1038     int err;
1039
1040     err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_HEVC, avctx);
1041     if (err < 0)
1042         return err;
1043
1044     priv->ctu_width     = FFALIGN(ctx->surface_width,  32) / 32;
1045     priv->ctu_height    = FFALIGN(ctx->surface_height, 32) / 32;
1046
1047     av_log(avctx, AV_LOG_VERBOSE, "Input %ux%u -> Surface %ux%u -> CTU %ux%u.\n",
1048            avctx->width, avctx->height, ctx->surface_width,
1049            ctx->surface_height, priv->ctu_width, priv->ctu_height);
1050
1051     if (ctx->va_rc_mode == VA_RC_CQP) {
1052         priv->fixed_qp_p = priv->qp;
1053         if (avctx->i_quant_factor > 0.0)
1054             priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor +
1055                                         avctx->i_quant_offset) + 0.5);
1056         else
1057             priv->fixed_qp_idr = priv->fixed_qp_p;
1058         if (avctx->b_quant_factor > 0.0)
1059             priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor +
1060                                       avctx->b_quant_offset) + 0.5);
1061         else
1062             priv->fixed_qp_b = priv->fixed_qp_p;
1063
1064         av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "
1065                "%d / %d / %d for IDR- / P- / B-frames.\n",
1066                priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
1067
1068     } else if (ctx->va_rc_mode == VA_RC_CBR ||
1069                ctx->va_rc_mode == VA_RC_VBR) {
1070         // These still need to be  set for pic_init_qp/slice_qp_delta.
1071         priv->fixed_qp_idr = 30;
1072         priv->fixed_qp_p   = 30;
1073         priv->fixed_qp_b   = 30;
1074
1075     } else {
1076         av_assert0(0 && "Invalid RC mode.");
1077     }
1078
1079     return 0;
1080 }
1081
1082 static const VAAPIEncodeProfile vaapi_encode_h265_profiles[] = {
1083     { FF_PROFILE_HEVC_MAIN,     8, 3, 1, 1, VAProfileHEVCMain       },
1084     { FF_PROFILE_HEVC_REXT,     8, 3, 1, 1, VAProfileHEVCMain       },
1085 #if VA_CHECK_VERSION(0, 37, 0)
1086     { FF_PROFILE_HEVC_MAIN_10, 10, 3, 1, 1, VAProfileHEVCMain10     },
1087     { FF_PROFILE_HEVC_REXT,    10, 3, 1, 1, VAProfileHEVCMain10     },
1088 #endif
1089     { FF_PROFILE_UNKNOWN }
1090 };
1091
1092 static const VAAPIEncodeType vaapi_encode_type_h265 = {
1093     .profiles              = vaapi_encode_h265_profiles,
1094
1095     .configure             = &vaapi_encode_h265_configure,
1096
1097     .sequence_params_size  = sizeof(VAEncSequenceParameterBufferHEVC),
1098     .init_sequence_params  = &vaapi_encode_h265_init_sequence_params,
1099
1100     .picture_params_size   = sizeof(VAEncPictureParameterBufferHEVC),
1101     .init_picture_params   = &vaapi_encode_h265_init_picture_params,
1102
1103     .slice_params_size     = sizeof(VAEncSliceParameterBufferHEVC),
1104     .init_slice_params     = &vaapi_encode_h265_init_slice_params,
1105
1106     .sequence_header_type  = VAEncPackedHeaderSequence,
1107     .write_sequence_header = &vaapi_encode_h265_write_sequence_header,
1108
1109     .slice_header_type     = VAEncPackedHeaderHEVC_Slice,
1110     .write_slice_header    = &vaapi_encode_h265_write_slice_header,
1111
1112     .write_extra_header    = &vaapi_encode_h265_write_extra_header,
1113 };
1114
1115 static av_cold int vaapi_encode_h265_init(AVCodecContext *avctx)
1116 {
1117     VAAPIEncodeContext      *ctx = avctx->priv_data;
1118     VAAPIEncodeH265Context *priv = avctx->priv_data;
1119
1120     ctx->codec = &vaapi_encode_type_h265;
1121
1122     if (avctx->profile == FF_PROFILE_UNKNOWN)
1123         avctx->profile = priv->profile;
1124     if (avctx->level == FF_LEVEL_UNKNOWN)
1125         avctx->level = priv->level;
1126
1127     if (avctx->level != FF_LEVEL_UNKNOWN && avctx->level & ~0xff) {
1128         av_log(avctx, AV_LOG_ERROR, "Invalid level %d: must fit "
1129                "in 8-bit unsigned integer.\n", avctx->level);
1130         return AVERROR(EINVAL);
1131     }
1132
1133     ctx->desired_packed_headers =
1134         VA_ENC_PACKED_HEADER_SEQUENCE | // VPS, SPS and PPS.
1135         VA_ENC_PACKED_HEADER_SLICE    | // Slice headers.
1136         VA_ENC_PACKED_HEADER_MISC;      // SEI
1137
1138     ctx->surface_width  = FFALIGN(avctx->width,  16);
1139     ctx->surface_height = FFALIGN(avctx->height, 16);
1140
1141     return ff_vaapi_encode_init(avctx);
1142 }
1143
1144 static av_cold int vaapi_encode_h265_close(AVCodecContext *avctx)
1145 {
1146     VAAPIEncodeH265Context *priv = avctx->priv_data;
1147
1148     ff_cbs_close(&priv->cbc);
1149
1150     return ff_vaapi_encode_close(avctx);
1151 }
1152
1153 #define OFFSET(x) offsetof(VAAPIEncodeH265Context, x)
1154 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
1155 static const AVOption vaapi_encode_h265_options[] = {
1156     VAAPI_ENCODE_COMMON_OPTIONS,
1157
1158     { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
1159       OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, 52, FLAGS },
1160
1161     { "aud", "Include AUD",
1162       OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
1163
1164     { "profile", "Set profile (general_profile_idc)",
1165       OFFSET(profile), AV_OPT_TYPE_INT,
1166       { .i64 = FF_PROFILE_UNKNOWN }, FF_PROFILE_UNKNOWN, 0xff, FLAGS, "profile" },
1167
1168 #define PROFILE(name, value)  name, NULL, 0, AV_OPT_TYPE_CONST, \
1169       { .i64 = value }, 0, 0, FLAGS, "profile"
1170     { PROFILE("main",               FF_PROFILE_HEVC_MAIN) },
1171     { PROFILE("main10",             FF_PROFILE_HEVC_MAIN_10) },
1172     { PROFILE("rext",               FF_PROFILE_HEVC_REXT) },
1173 #undef PROFILE
1174
1175     { "tier", "Set tier (general_tier_flag)",
1176       OFFSET(tier), AV_OPT_TYPE_INT,
1177       { .i64 = 0 }, 0, 1, FLAGS, "tier" },
1178     { "main", NULL, 0, AV_OPT_TYPE_CONST,
1179       { .i64 = 0 }, 0, 0, FLAGS, "tier" },
1180     { "high", NULL, 0, AV_OPT_TYPE_CONST,
1181       { .i64 = 1 }, 0, 0, FLAGS, "tier" },
1182
1183     { "level", "Set level (general_level_idc)",
1184       OFFSET(level), AV_OPT_TYPE_INT,
1185       { .i64 = FF_LEVEL_UNKNOWN }, FF_LEVEL_UNKNOWN, 0xff, FLAGS, "level" },
1186
1187 #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
1188       { .i64 = value }, 0, 0, FLAGS, "level"
1189     { LEVEL("1",    30) },
1190     { LEVEL("2",    60) },
1191     { LEVEL("2.1",  63) },
1192     { LEVEL("3",    90) },
1193     { LEVEL("3.1",  93) },
1194     { LEVEL("4",   120) },
1195     { LEVEL("4.1", 123) },
1196     { LEVEL("5",   150) },
1197     { LEVEL("5.1", 153) },
1198     { LEVEL("5.2", 156) },
1199     { LEVEL("6",   180) },
1200     { LEVEL("6.1", 183) },
1201     { LEVEL("6.2", 186) },
1202 #undef LEVEL
1203
1204     { "sei", "Set SEI to include",
1205       OFFSET(sei), AV_OPT_TYPE_FLAGS,
1206       { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },
1207       0, INT_MAX, FLAGS, "sei" },
1208     { "hdr",
1209       "Include HDR metadata for mastering display colour volume "
1210       "and content light level information",
1211       0, AV_OPT_TYPE_CONST,
1212       { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },
1213       INT_MIN, INT_MAX, FLAGS, "sei" },
1214
1215     { NULL },
1216 };
1217
1218 static const AVCodecDefault vaapi_encode_h265_defaults[] = {
1219     { "b",              "0"   },
1220     { "bf",             "2"   },
1221     { "g",              "120" },
1222     { "i_qfactor",      "1"   },
1223     { "i_qoffset",      "0"   },
1224     { "b_qfactor",      "6/5" },
1225     { "b_qoffset",      "0"   },
1226     { "qmin",           "-1"  },
1227     { "qmax",           "-1"  },
1228     { NULL },
1229 };
1230
1231 static const AVClass vaapi_encode_h265_class = {
1232     .class_name = "h265_vaapi",
1233     .item_name  = av_default_item_name,
1234     .option     = vaapi_encode_h265_options,
1235     .version    = LIBAVUTIL_VERSION_INT,
1236 };
1237
1238 AVCodec ff_hevc_vaapi_encoder = {
1239     .name           = "hevc_vaapi",
1240     .long_name      = NULL_IF_CONFIG_SMALL("H.265/HEVC (VAAPI)"),
1241     .type           = AVMEDIA_TYPE_VIDEO,
1242     .id             = AV_CODEC_ID_HEVC,
1243     .priv_data_size = sizeof(VAAPIEncodeH265Context),
1244     .init           = &vaapi_encode_h265_init,
1245     .encode2        = &ff_vaapi_encode2,
1246     .close          = &vaapi_encode_h265_close,
1247     .priv_class     = &vaapi_encode_h265_class,
1248     .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
1249     .defaults       = vaapi_encode_h265_defaults,
1250     .pix_fmts = (const enum AVPixelFormat[]) {
1251         AV_PIX_FMT_VAAPI,
1252         AV_PIX_FMT_NONE,
1253     },
1254     .wrapper_name   = "vaapi",
1255 };