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     unsigned int ctu_width;
  45     unsigned int ctu_height;
  46
  47     int fixed_qp_idr;
  48     int fixed_qp_p;
  49     int fixed_qp_b;
  50
  51     H265RawAUD aud;
  52     H265RawVPS vps;
  53     H265RawSPS sps;
  54     H265RawPPS pps;
  55     H265RawSlice slice;
  56     H265RawSEI sei;
  57
  58     H265RawSEIMasteringDisplayColourVolume mastering_display;
  59     H265RawSEIContentLightLevelInfo content_light_level;
  60
  61     int64_t last_idr_frame;
  62     int pic_order_cnt;
  63
  64     int slice_nal_unit;
  65     int slice_type;
  66     int pic_type;
  67
  68     CodedBitstreamContext *cbc;
  69     CodedBitstreamFragment current_access_unit;
  70     int aud_needed;
  71     int sei_needed;
  72 } VAAPIEncodeH265Context;
  73
  74 typedef struct VAAPIEncodeH265Options {
  75     int qp;
  76     int aud;
  77     int profile;
  78     int level;
  79     int sei;
  80 } VAAPIEncodeH265Options;
  81
  82
  83 static int vaapi_encode_h265_write_access_unit(AVCodecContext *avctx,
  84                                                char *data, size_t *data_len,
  85                                                CodedBitstreamFragment *au)
  86 {
  87     VAAPIEncodeContext      *ctx = avctx->priv_data;
  88     VAAPIEncodeH265Context *priv = ctx->priv_data;
  89     int err;
  90
  91     err = ff_cbs_write_fragment_data(priv->cbc, au);
  92     if (err < 0) {
  93         av_log(avctx, AV_LOG_ERROR, "Failed to write packed header.\n");
  94         return err;
  95     }
  96
  97     if (*data_len < 8 * au->data_size - au->data_bit_padding) {
  98         av_log(avctx, AV_LOG_ERROR, "Access unit too large: "
  99                "%zu < %zu.\n", *data_len,
 100                8 * au->data_size - au->data_bit_padding);
 101         return AVERROR(ENOSPC);
 102     }
 103
 104     memcpy(data, au->data, au->data_size);
 105     *data_len = 8 * au->data_size - au->data_bit_padding;
 106
 107     return 0;
 108 }
 109
 110 static int vaapi_encode_h265_add_nal(AVCodecContext *avctx,
 111                                      CodedBitstreamFragment *au,
 112                                      void *nal_unit)
 113 {
 114     VAAPIEncodeContext      *ctx = avctx->priv_data;
 115     VAAPIEncodeH265Context *priv = ctx->priv_data;
 116     H265RawNALUnitHeader *header = nal_unit;
 117     int err;
 118
 119     err = ff_cbs_insert_unit_content(priv->cbc, au, -1,
 120                                      header->nal_unit_type, nal_unit, NULL);
 121     if (err < 0) {
 122         av_log(avctx, AV_LOG_ERROR, "Failed to add NAL unit: "
 123                "type = %d.\n", header->nal_unit_type);
 124         return err;
 125     }
 126
 127     return 0;
 128 }
 129
 130 static int vaapi_encode_h265_write_sequence_header(AVCodecContext *avctx,
 131                                                    char *data, size_t *data_len)
 132 {
 133     VAAPIEncodeContext      *ctx = avctx->priv_data;
 134     VAAPIEncodeH265Context *priv = ctx->priv_data;
 135     CodedBitstreamFragment   *au = &priv->current_access_unit;
 136     int err;
 137
 138     if (priv->aud_needed) {
 139         err = vaapi_encode_h265_add_nal(avctx, au, &priv->aud);
 140         if (err < 0)
 141             goto fail;
 142         priv->aud_needed = 0;
 143     }
 144
 145     err = vaapi_encode_h265_add_nal(avctx, au, &priv->vps);
 146     if (err < 0)
 147         goto fail;
 148
 149     err = vaapi_encode_h265_add_nal(avctx, au, &priv->sps);
 150     if (err < 0)
 151         goto fail;
 152
 153     err = vaapi_encode_h265_add_nal(avctx, au, &priv->pps);
 154     if (err < 0)
 155         goto fail;
 156
 157     err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
 158 fail:
 159     ff_cbs_fragment_uninit(priv->cbc, au);
 160     return err;
 161 }
 162
 163 static int vaapi_encode_h265_write_slice_header(AVCodecContext *avctx,
 164                                                 VAAPIEncodePicture *pic,
 165                                                 VAAPIEncodeSlice *slice,
 166                                                 char *data, size_t *data_len)
 167 {
 168     VAAPIEncodeContext      *ctx = avctx->priv_data;
 169     VAAPIEncodeH265Context *priv = ctx->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->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->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     VAAPIEncodeContext      *ctx = avctx->priv_data;
 196     VAAPIEncodeH265Context *priv = ctx->priv_data;
 197     CodedBitstreamFragment   *au = &priv->current_access_unit;
 198     int err, i;
 199
 200     if (priv->sei_needed) {
 201         if (priv->aud_needed) {
 202             err = vaapi_encode_h265_add_nal(avctx, au, &priv->aud);
 203             if (err < 0)
 204                 goto fail;
 205             priv->aud_needed = 0;
 206         }
 207
 208         memset(&priv->sei, 0, sizeof(priv->sei));
 209         priv->sei.nal_unit_header  = (H265RawNALUnitHeader) {
 210             .nal_unit_type         = HEVC_NAL_SEI_PREFIX,
 211             .nuh_layer_id          = 0,
 212             .nuh_temporal_id_plus1 = 1,
 213         };
 214
 215         i = 0;
 216
 217         if (priv->sei_needed & SEI_MASTERING_DISPLAY) {
 218             priv->sei.payload[i].payload_type = HEVC_SEI_TYPE_MASTERING_DISPLAY_INFO;
 219             priv->sei.payload[i].payload.mastering_display = priv->mastering_display;
 220             ++i;
 221         }
 222
 223         if (priv->sei_needed & SEI_CONTENT_LIGHT_LEVEL) {
 224             priv->sei.payload[i].payload_type = HEVC_SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO;
 225             priv->sei.payload[i].payload.content_light_level = priv->content_light_level;
 226             ++i;
 227         }
 228
 229         priv->sei.payload_count = i;
 230         av_assert0(priv->sei.payload_count > 0);
 231
 232         err = vaapi_encode_h265_add_nal(avctx, au, &priv->sei);
 233         if (err < 0)
 234             goto fail;
 235         priv->sei_needed = 0;
 236
 237         err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
 238         if (err < 0)
 239             goto fail;
 240
 241         ff_cbs_fragment_uninit(priv->cbc, au);
 242
 243         *type = VAEncPackedHeaderRawData;
 244         return 0;
 245     } else {
 246         return AVERROR_EOF;
 247     }
 248
 249 fail:
 250     ff_cbs_fragment_uninit(priv->cbc, au);
 251     return err;
 252 }
 253
 254 static int vaapi_encode_h265_init_sequence_params(AVCodecContext *avctx)
 255 {
 256     VAAPIEncodeContext                *ctx = avctx->priv_data;
 257     VAAPIEncodeH265Context           *priv = ctx->priv_data;
 258     H265RawVPS                        *vps = &priv->vps;
 259     H265RawSPS                        *sps = &priv->sps;
 260     H265RawPPS                        *pps = &priv->pps;
 261     H265RawVUI                        *vui = &sps->vui;
 262     VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params;
 263     VAEncPictureParameterBufferHEVC  *vpic = ctx->codec_picture_params;
 264     int i;
 265
 266     memset(&priv->current_access_unit, 0,
 267            sizeof(priv->current_access_unit));
 268
 269     memset(vps, 0, sizeof(*vps));
 270     memset(sps, 0, sizeof(*sps));
 271     memset(pps, 0, sizeof(*pps));
 272
 273
 274     // VPS
 275
 276     vps->nal_unit_header = (H265RawNALUnitHeader) {
 277         .nal_unit_type         = HEVC_NAL_VPS,
 278         .nuh_layer_id          = 0,
 279         .nuh_temporal_id_plus1 = 1,
 280     };
 281
 282     vps->vps_video_parameter_set_id = 0;
 283
 284     vps->vps_base_layer_internal_flag  = 1;
 285     vps->vps_base_layer_available_flag = 1;
 286     vps->vps_max_layers_minus1         = 0;
 287     vps->vps_max_sub_layers_minus1     = 0;
 288     vps->vps_temporal_id_nesting_flag  = 1;
 289
 290     vps->profile_tier_level = (H265RawProfileTierLevel) {
 291         .general_profile_space = 0,
 292         .general_profile_idc   = avctx->profile,
 293         .general_tier_flag     = 0,
 294
 295         .general_progressive_source_flag    = 1,
 296         .general_interlaced_source_flag     = 0,
 297         .general_non_packed_constraint_flag = 1,
 298         .general_frame_only_constraint_flag = 1,
 299
 300         .general_level_idc     = avctx->level,
 301     };
 302     vps->profile_tier_level.general_profile_compatibility_flag[avctx->profile & 31] = 1;
 303
 304     vps->vps_sub_layer_ordering_info_present_flag = 0;
 305     vps->vps_max_dec_pic_buffering_minus1[0]      = (ctx->b_per_p > 0) + 1;
 306     vps->vps_max_num_reorder_pics[0]              = (ctx->b_per_p > 0);
 307     vps->vps_max_latency_increase_plus1[0]        = 0;
 308
 309     vps->vps_max_layer_id             = 0;
 310     vps->vps_num_layer_sets_minus1    = 0;
 311     vps->layer_id_included_flag[0][0] = 1;
 312
 313     vps->vps_timing_info_present_flag = 1;
 314     if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
 315         vps->vps_num_units_in_tick  = avctx->framerate.den;
 316         vps->vps_time_scale         = avctx->framerate.num;
 317         vps->vps_poc_proportional_to_timing_flag = 1;
 318         vps->vps_num_ticks_poc_diff_one_minus1   = 0;
 319     } else {
 320         vps->vps_num_units_in_tick  = avctx->time_base.num;
 321         vps->vps_time_scale         = avctx->time_base.den;
 322         vps->vps_poc_proportional_to_timing_flag = 0;
 323     }
 324     vps->vps_num_hrd_parameters = 0;
 325
 326
 327     // SPS
 328
 329     sps->nal_unit_header = (H265RawNALUnitHeader) {
 330         .nal_unit_type         = HEVC_NAL_SPS,
 331         .nuh_layer_id          = 0,
 332         .nuh_temporal_id_plus1 = 1,
 333     };
 334
 335     sps->sps_video_parameter_set_id = vps->vps_video_parameter_set_id;
 336
 337     sps->sps_max_sub_layers_minus1    = vps->vps_max_sub_layers_minus1;
 338     sps->sps_temporal_id_nesting_flag = vps->vps_temporal_id_nesting_flag;
 339
 340     sps->profile_tier_level = vps->profile_tier_level;
 341
 342     sps->sps_seq_parameter_set_id = 0;
 343
 344     sps->chroma_format_idc          = 1; // YUV 4:2:0.
 345     sps->separate_colour_plane_flag = 0;
 346
 347     sps->pic_width_in_luma_samples  = ctx->surface_width;
 348     sps->pic_height_in_luma_samples = ctx->surface_height;
 349
 350     if (avctx->width  != ctx->surface_width ||
 351         avctx->height != ctx->surface_height) {
 352         sps->conformance_window_flag = 1;
 353         sps->conf_win_left_offset   = 0;
 354         sps->conf_win_right_offset  =
 355             (ctx->surface_width - avctx->width) / 2;
 356         sps->conf_win_top_offset    = 0;
 357         sps->conf_win_bottom_offset =
 358             (ctx->surface_height - avctx->height) / 2;
 359     } else {
 360         sps->conformance_window_flag = 0;
 361     }
 362
 363     sps->bit_depth_luma_minus8 =
 364         avctx->profile == FF_PROFILE_HEVC_MAIN_10 ? 2 : 0;
 365     sps->bit_depth_chroma_minus8 = sps->bit_depth_luma_minus8;
 366
 367     sps->log2_max_pic_order_cnt_lsb_minus4 = 8;
 368
 369     sps->sps_sub_layer_ordering_info_present_flag =
 370         vps->vps_sub_layer_ordering_info_present_flag;
 371     for (i = 0; i <= sps->sps_max_sub_layers_minus1; i++) {
 372         sps->sps_max_dec_pic_buffering_minus1[i] =
 373             vps->vps_max_dec_pic_buffering_minus1[i];
 374         sps->sps_max_num_reorder_pics[i] =
 375             vps->vps_max_num_reorder_pics[i];
 376         sps->sps_max_latency_increase_plus1[i] =
 377             vps->vps_max_latency_increase_plus1[i];
 378     }
 379
 380     // These have to come from the capabilities of the encoder.  We have no
 381     // way to query them, so just hardcode parameters which work on the Intel
 382     // driver.
 383     // CTB size from 8x8 to 32x32.
 384     sps->log2_min_luma_coding_block_size_minus3   = 0;
 385     sps->log2_diff_max_min_luma_coding_block_size = 2;
 386     // Transform size from 4x4 to 32x32.
 387     sps->log2_min_luma_transform_block_size_minus2   = 0;
 388     sps->log2_diff_max_min_luma_transform_block_size = 3;
 389     // Full transform hierarchy allowed (2-5).
 390     sps->max_transform_hierarchy_depth_inter = 3;
 391     sps->max_transform_hierarchy_depth_intra = 3;
 392     // AMP works.
 393     sps->amp_enabled_flag = 1;
 394     // SAO and temporal MVP do not work.
 395     sps->sample_adaptive_offset_enabled_flag = 0;
 396     sps->sps_temporal_mvp_enabled_flag       = 0;
 397
 398     sps->pcm_enabled_flag = 0;
 399
 400     // STRPSs should ideally be here rather than defined individually in
 401     // each slice, but the structure isn't completely fixed so for now
 402     // don't bother.
 403     sps->num_short_term_ref_pic_sets     = 0;
 404     sps->long_term_ref_pics_present_flag = 0;
 405
 406     sps->vui_parameters_present_flag = 1;
 407
 408     if (avctx->sample_aspect_ratio.num != 0 &&
 409         avctx->sample_aspect_ratio.den != 0) {
 410         static const AVRational sar_idc[] = {
 411             {   0,  0 },
 412             {   1,  1 }, {  12, 11 }, {  10, 11 }, {  16, 11 },
 413             {  40, 33 }, {  24, 11 }, {  20, 11 }, {  32, 11 },
 414             {  80, 33 }, {  18, 11 }, {  15, 11 }, {  64, 33 },
 415             { 160, 99 }, {   4,  3 }, {   3,  2 }, {   2,  1 },
 416         };
 417         int i;
 418         for (i = 0; i < FF_ARRAY_ELEMS(sar_idc); i++) {
 419             if (avctx->sample_aspect_ratio.num == sar_idc[i].num &&
 420                 avctx->sample_aspect_ratio.den == sar_idc[i].den) {
 421                 vui->aspect_ratio_idc = i;
 422                 break;
 423             }
 424         }
 425         if (i >= FF_ARRAY_ELEMS(sar_idc)) {
 426             vui->aspect_ratio_idc = 255;
 427             vui->sar_width  = avctx->sample_aspect_ratio.num;
 428             vui->sar_height = avctx->sample_aspect_ratio.den;
 429         }
 430         vui->aspect_ratio_info_present_flag = 1;
 431     }
 432
 433     if (avctx->color_range     != AVCOL_RANGE_UNSPECIFIED ||
 434         avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
 435         avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||
 436         avctx->colorspace      != AVCOL_SPC_UNSPECIFIED) {
 437         vui->video_signal_type_present_flag = 1;
 438         vui->video_format      = 5; // Unspecified.
 439         vui->video_full_range_flag =
 440             avctx->color_range == AVCOL_RANGE_JPEG;
 441
 442         if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
 443             avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||
 444             avctx->colorspace      != AVCOL_SPC_UNSPECIFIED) {
 445             vui->colour_description_present_flag = 1;
 446             vui->colour_primaries         = avctx->color_primaries;
 447             vui->transfer_characteristics = avctx->color_trc;
 448             vui->matrix_coefficients      = avctx->colorspace;
 449         }
 450     } else {
 451         vui->video_format             = 5;
 452         vui->video_full_range_flag    = 0;
 453         vui->colour_primaries         = avctx->color_primaries;
 454         vui->transfer_characteristics = avctx->color_trc;
 455         vui->matrix_coefficients      = avctx->colorspace;
 456     }
 457
 458     if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) {
 459         vui->chroma_loc_info_present_flag = 1;
 460         vui->chroma_sample_loc_type_top_field    =
 461         vui->chroma_sample_loc_type_bottom_field =
 462             avctx->chroma_sample_location - 1;
 463     }
 464
 465     vui->vui_timing_info_present_flag        = 1;
 466     vui->vui_num_units_in_tick               = vps->vps_num_units_in_tick;
 467     vui->vui_time_scale                      = vps->vps_time_scale;
 468     vui->vui_poc_proportional_to_timing_flag = vps->vps_poc_proportional_to_timing_flag;
 469     vui->vui_num_ticks_poc_diff_one_minus1   = vps->vps_num_ticks_poc_diff_one_minus1;
 470     vui->vui_hrd_parameters_present_flag     = 0;
 471
 472     vui->bitstream_restriction_flag    = 1;
 473     vui->motion_vectors_over_pic_boundaries_flag = 1;
 474     vui->restricted_ref_pic_lists_flag = 1;
 475     vui->max_bytes_per_pic_denom       = 0;
 476     vui->max_bits_per_min_cu_denom     = 0;
 477     vui->log2_max_mv_length_horizontal = 15;
 478     vui->log2_max_mv_length_vertical   = 15;
 479
 480
 481     // PPS
 482
 483     pps->nal_unit_header = (H265RawNALUnitHeader) {
 484         .nal_unit_type         = HEVC_NAL_PPS,
 485         .nuh_layer_id          = 0,
 486         .nuh_temporal_id_plus1 = 1,
 487     };
 488
 489     pps->pps_pic_parameter_set_id = 0;
 490     pps->pps_seq_parameter_set_id = sps->sps_seq_parameter_set_id;
 491
 492     pps->num_ref_idx_l0_default_active_minus1 = 0;
 493     pps->num_ref_idx_l1_default_active_minus1 = 0;
 494
 495     pps->init_qp_minus26 = priv->fixed_qp_idr - 26;
 496
 497     pps->cu_qp_delta_enabled_flag = (ctx->va_rc_mode != VA_RC_CQP);
 498     pps->diff_cu_qp_delta_depth   = 0;
 499
 500     pps->pps_loop_filter_across_slices_enabled_flag = 1;
 501
 502
 503     // Fill VAAPI parameter buffers.
 504
 505     *vseq = (VAEncSequenceParameterBufferHEVC) {
 506         .general_profile_idc = vps->profile_tier_level.general_profile_idc,
 507         .general_level_idc   = vps->profile_tier_level.general_level_idc,
 508         .general_tier_flag   = vps->profile_tier_level.general_tier_flag,
 509
 510         .intra_period     = avctx->gop_size,
 511         .intra_idr_period = avctx->gop_size,
 512         .ip_period        = ctx->b_per_p + 1,
 513         .bits_per_second   = avctx->bit_rate,
 514
 515         .pic_width_in_luma_samples  = sps->pic_width_in_luma_samples,
 516         .pic_height_in_luma_samples = sps->pic_height_in_luma_samples,
 517
 518         .seq_fields.bits = {
 519             .chroma_format_idc             = sps->chroma_format_idc,
 520             .separate_colour_plane_flag    = sps->separate_colour_plane_flag,
 521             .bit_depth_luma_minus8         = sps->bit_depth_luma_minus8,
 522             .bit_depth_chroma_minus8       = sps->bit_depth_chroma_minus8,
 523             .scaling_list_enabled_flag     = sps->scaling_list_enabled_flag,
 524             .strong_intra_smoothing_enabled_flag =
 525                 sps->strong_intra_smoothing_enabled_flag,
 526             .amp_enabled_flag              = sps->amp_enabled_flag,
 527             .sample_adaptive_offset_enabled_flag =
 528                 sps->sample_adaptive_offset_enabled_flag,
 529             .pcm_enabled_flag              = sps->pcm_enabled_flag,
 530             .pcm_loop_filter_disabled_flag = sps->pcm_loop_filter_disabled_flag,
 531             .sps_temporal_mvp_enabled_flag = sps->sps_temporal_mvp_enabled_flag,
 532         },
 533
 534         .log2_min_luma_coding_block_size_minus3 =
 535             sps->log2_min_luma_coding_block_size_minus3,
 536         .log2_diff_max_min_luma_coding_block_size =
 537             sps->log2_diff_max_min_luma_coding_block_size,
 538         .log2_min_transform_block_size_minus2 =
 539             sps->log2_min_luma_transform_block_size_minus2,
 540         .log2_diff_max_min_transform_block_size =
 541             sps->log2_diff_max_min_luma_transform_block_size,
 542         .max_transform_hierarchy_depth_inter =
 543             sps->max_transform_hierarchy_depth_inter,
 544         .max_transform_hierarchy_depth_intra =
 545             sps->max_transform_hierarchy_depth_intra,
 546
 547         .pcm_sample_bit_depth_luma_minus1 =
 548             sps->pcm_sample_bit_depth_luma_minus1,
 549         .pcm_sample_bit_depth_chroma_minus1 =
 550             sps->pcm_sample_bit_depth_chroma_minus1,
 551         .log2_min_pcm_luma_coding_block_size_minus3 =
 552             sps->log2_min_pcm_luma_coding_block_size_minus3,
 553         .log2_max_pcm_luma_coding_block_size_minus3 =
 554             sps->log2_min_pcm_luma_coding_block_size_minus3 +
 555             sps->log2_diff_max_min_pcm_luma_coding_block_size,
 556
 557         .vui_parameters_present_flag = 0,
 558     };
 559
 560     *vpic = (VAEncPictureParameterBufferHEVC) {
 561         .decoded_curr_pic = {
 562             .picture_id = VA_INVALID_ID,
 563             .flags      = VA_PICTURE_HEVC_INVALID,
 564         },
 565
 566         .coded_buf = VA_INVALID_ID,
 567
 568         .collocated_ref_pic_index = 0xff,
 569
 570         .last_picture = 0,
 571
 572         .pic_init_qp            = pps->init_qp_minus26 + 26,
 573         .diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth,
 574         .pps_cb_qp_offset       = pps->pps_cb_qp_offset,
 575         .pps_cr_qp_offset       = pps->pps_cr_qp_offset,
 576
 577         .num_tile_columns_minus1 = pps->num_tile_columns_minus1,
 578         .num_tile_rows_minus1    = pps->num_tile_rows_minus1,
 579
 580         .log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level_minus2,
 581         .ctu_max_bitsize_allowed          = 0,
 582
 583         .num_ref_idx_l0_default_active_minus1 =
 584             pps->num_ref_idx_l0_default_active_minus1,
 585         .num_ref_idx_l1_default_active_minus1 =
 586             pps->num_ref_idx_l1_default_active_minus1,
 587
 588         .slice_pic_parameter_set_id = pps->pps_pic_parameter_set_id,
 589
 590         .pic_fields.bits = {
 591             .sign_data_hiding_enabled_flag  = pps->sign_data_hiding_enabled_flag,
 592             .constrained_intra_pred_flag    = pps->constrained_intra_pred_flag,
 593             .transform_skip_enabled_flag    = pps->transform_skip_enabled_flag,
 594             .cu_qp_delta_enabled_flag       = pps->cu_qp_delta_enabled_flag,
 595             .weighted_pred_flag             = pps->weighted_pred_flag,
 596             .weighted_bipred_flag           = pps->weighted_bipred_flag,
 597             .transquant_bypass_enabled_flag = pps->transquant_bypass_enabled_flag,
 598             .tiles_enabled_flag             = pps->tiles_enabled_flag,
 599             .entropy_coding_sync_enabled_flag = pps->entropy_coding_sync_enabled_flag,
 600             .loop_filter_across_tiles_enabled_flag =
 601                 pps->loop_filter_across_tiles_enabled_flag,
 602             .scaling_list_data_present_flag = (sps->sps_scaling_list_data_present_flag |
 603                                                pps->pps_scaling_list_data_present_flag),
 604             .screen_content_flag            = 0,
 605             .enable_gpu_weighted_prediction = 0,
 606             .no_output_of_prior_pics_flag   = 0,
 607         },
 608     };
 609
 610     return 0;
 611 }
 612
 613 static int vaapi_encode_h265_init_picture_params(AVCodecContext *avctx,
 614                                                  VAAPIEncodePicture *pic)
 615 {
 616     VAAPIEncodeContext               *ctx = avctx->priv_data;
 617     VAAPIEncodeH265Context          *priv = ctx->priv_data;
 618     VAAPIEncodeH265Options           *opt = ctx->codec_options;
 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 (opt->aud) {
 655         priv->aud_needed = 1;
 656         priv->aud.nal_unit_header = (H265RawNALUnitHeader) {
 657             .nal_unit_type         = HEVC_NAL_AUD,
 658             .nuh_layer_id          = 0,
 659             .nuh_temporal_id_plus1 = 1,
 660         };
 661         priv->aud.pic_type = priv->pic_type;
 662     } else {
 663         priv->aud_needed = 0;
 664     }
 665
 666     priv->sei_needed = 0;
 667
 668     // Only look for the metadata on I/IDR frame on the output. We
 669     // may force an IDR frame on the output where the medadata gets
 670     // changed on the input frame.
 671     if ((opt->sei & SEI_MASTERING_DISPLAY) &&
 672         (pic->type == PICTURE_TYPE_I || pic->type == PICTURE_TYPE_IDR)) {
 673         AVFrameSideData *sd =
 674             av_frame_get_side_data(pic->input_image,
 675                                    AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
 676
 677         if (sd) {
 678             AVMasteringDisplayMetadata *mdm =
 679                 (AVMasteringDisplayMetadata *)sd->data;
 680
 681             // SEI is needed when both the primaries and luminance are set
 682             if (mdm->has_primaries && mdm->has_luminance) {
 683                 const int mapping[3] = {1, 2, 0};
 684                 const int chroma_den = 50000;
 685                 const int luma_den   = 10000;
 686
 687                 for (i = 0; i < 3; i++) {
 688                     const int j = mapping[i];
 689                     priv->mastering_display.display_primaries_x[i] =
 690                         FFMIN(lrint(chroma_den *
 691                                     av_q2d(mdm->display_primaries[j][0])),
 692                               chroma_den);
 693                     priv->mastering_display.display_primaries_y[i] =
 694                         FFMIN(lrint(chroma_den *
 695                                     av_q2d(mdm->display_primaries[j][1])),
 696                               chroma_den);
 697                 }
 698
 699                 priv->mastering_display.white_point_x =
 700                     FFMIN(lrint(chroma_den * av_q2d(mdm->white_point[0])),
 701                           chroma_den);
 702                 priv->mastering_display.white_point_y =
 703                     FFMIN(lrint(chroma_den * av_q2d(mdm->white_point[1])),
 704                           chroma_den);
 705
 706                 priv->mastering_display.max_display_mastering_luminance =
 707                     lrint(luma_den * av_q2d(mdm->max_luminance));
 708                 priv->mastering_display.min_display_mastering_luminance =
 709                     FFMIN(lrint(luma_den * av_q2d(mdm->min_luminance)),
 710                           priv->mastering_display.max_display_mastering_luminance);
 711
 712                 priv->sei_needed |= SEI_MASTERING_DISPLAY;
 713             }
 714         }
 715     }
 716
 717     if ((opt->sei & SEI_CONTENT_LIGHT_LEVEL) &&
 718         (pic->type == PICTURE_TYPE_I || pic->type == PICTURE_TYPE_IDR)) {
 719         AVFrameSideData *sd =
 720             av_frame_get_side_data(pic->input_image,
 721                                    AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);
 722
 723         if (sd) {
 724             AVContentLightMetadata *clm =
 725                 (AVContentLightMetadata *)sd->data;
 726
 727             priv->content_light_level.max_content_light_level =
 728                 FFMIN(clm->MaxCLL, 65535);
 729             priv->content_light_level.max_pic_average_light_level =
 730                 FFMIN(clm->MaxFALL, 65535);
 731
 732             priv->sei_needed |= SEI_CONTENT_LIGHT_LEVEL;
 733         }
 734     }
 735
 736     vpic->decoded_curr_pic = (VAPictureHEVC) {
 737         .picture_id    = pic->recon_surface,
 738         .pic_order_cnt = priv->pic_order_cnt,
 739         .flags         = 0,
 740     };
 741
 742     for (i = 0; i < pic->nb_refs; i++) {
 743         VAAPIEncodePicture *ref = pic->refs[i];
 744         av_assert0(ref && ref->encode_order < pic->encode_order);
 745
 746         vpic->reference_frames[i] = (VAPictureHEVC) {
 747             .picture_id    = ref->recon_surface,
 748             .pic_order_cnt = ref->display_order - priv->last_idr_frame,
 749             .flags = (ref->display_order < pic->display_order ?
 750                       VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE : 0) |
 751                      (ref->display_order > pic->display_order ?
 752                       VA_PICTURE_HEVC_RPS_ST_CURR_AFTER  : 0),
 753         };
 754     }
 755     for (; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++) {
 756         vpic->reference_frames[i] = (VAPictureHEVC) {
 757             .picture_id = VA_INVALID_ID,
 758             .flags      = VA_PICTURE_HEVC_INVALID,
 759         };
 760     }
 761
 762     vpic->coded_buf = pic->output_buffer;
 763
 764     vpic->nal_unit_type = priv->slice_nal_unit;
 765
 766     switch (pic->type) {
 767     case PICTURE_TYPE_IDR:
 768         vpic->pic_fields.bits.idr_pic_flag       = 1;
 769         vpic->pic_fields.bits.coding_type        = 1;
 770         vpic->pic_fields.bits.reference_pic_flag = 1;
 771         break;
 772     case PICTURE_TYPE_I:
 773         vpic->pic_fields.bits.idr_pic_flag       = 0;
 774         vpic->pic_fields.bits.coding_type        = 1;
 775         vpic->pic_fields.bits.reference_pic_flag = 1;
 776         break;
 777     case PICTURE_TYPE_P:
 778         vpic->pic_fields.bits.idr_pic_flag       = 0;
 779         vpic->pic_fields.bits.coding_type        = 2;
 780         vpic->pic_fields.bits.reference_pic_flag = 1;
 781         break;
 782     case PICTURE_TYPE_B:
 783         vpic->pic_fields.bits.idr_pic_flag       = 0;
 784         vpic->pic_fields.bits.coding_type        = 3;
 785         vpic->pic_fields.bits.reference_pic_flag = 0;
 786         break;
 787     default:
 788         av_assert0(0 && "invalid picture type");
 789     }
 790
 791     pic->nb_slices = 1;
 792
 793     return 0;
 794 }
 795
 796 static int vaapi_encode_h265_init_slice_params(AVCodecContext *avctx,
 797                                                VAAPIEncodePicture *pic,
 798                                                VAAPIEncodeSlice *slice)
 799 {
 800     VAAPIEncodeContext                *ctx = avctx->priv_data;
 801     VAAPIEncodeH265Context           *priv = ctx->priv_data;
 802     const H265RawSPS                  *sps = &priv->sps;
 803     const H265RawPPS                  *pps = &priv->pps;
 804     H265RawSliceHeader                 *sh = &priv->slice.header;
 805     VAEncPictureParameterBufferHEVC  *vpic = pic->codec_picture_params;
 806     VAEncSliceParameterBufferHEVC  *vslice = slice->codec_slice_params;
 807     int i;
 808
 809     sh->nal_unit_header = (H265RawNALUnitHeader) {
 810         .nal_unit_type         = priv->slice_nal_unit,
 811         .nuh_layer_id          = 0,
 812         .nuh_temporal_id_plus1 = 1,
 813     };
 814
 815     sh->slice_pic_parameter_set_id      = pps->pps_pic_parameter_set_id;
 816
 817     // Currently we only support one slice per frame.
 818     sh->first_slice_segment_in_pic_flag = 1;
 819     sh->slice_segment_address           = 0;
 820
 821     sh->slice_type = priv->slice_type;
 822
 823     sh->slice_pic_order_cnt_lsb = priv->pic_order_cnt &
 824         (1 << (sps->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1;
 825
 826     if (pic->type != PICTURE_TYPE_IDR) {
 827         H265RawSTRefPicSet *rps;
 828         VAAPIEncodePicture *st;
 829         int used;
 830
 831         sh->short_term_ref_pic_set_sps_flag = 0;
 832
 833         rps = &sh->short_term_ref_pic_set;
 834         memset(rps, 0, sizeof(*rps));
 835
 836         for (st = ctx->pic_start; st; st = st->next) {
 837             if (st->encode_order >= pic->encode_order) {
 838                 // Not yet in DPB.
 839                 continue;
 840             }
 841             used = 0;
 842             for (i = 0; i < pic->nb_refs; i++) {
 843                 if (pic->refs[i] == st)
 844                     used = 1;
 845             }
 846             if (!used) {
 847                 // Usually each picture always uses all of the others in the
 848                 // DPB as references.  The one case we have to treat here is
 849                 // a non-IDR IRAP picture, which may need to hold unused
 850                 // references across itself to be used for the decoding of
 851                 // following RASL pictures.  This looks for such an RASL
 852                 // picture, and keeps the reference if there is one.
 853                 VAAPIEncodePicture *rp;
 854                 for (rp = ctx->pic_start; rp; rp = rp->next) {
 855                     if (rp->encode_order < pic->encode_order)
 856                         continue;
 857                     if (rp->type != PICTURE_TYPE_B)
 858                         continue;
 859                     if (rp->refs[0] == st && rp->refs[1] == pic)
 860                         break;
 861                 }
 862                 if (!rp)
 863                     continue;
 864             }
 865             // This only works for one instance of each (delta_poc_sN_minus1
 866             // is relative to the previous frame in the list, not relative to
 867             // the current frame directly).
 868             if (st->display_order < pic->display_order) {
 869                 rps->delta_poc_s0_minus1[rps->num_negative_pics] =
 870                     pic->display_order - st->display_order - 1;
 871                 rps->used_by_curr_pic_s0_flag[rps->num_negative_pics] = used;
 872                 ++rps->num_negative_pics;
 873             } else {
 874                 rps->delta_poc_s1_minus1[rps->num_positive_pics] =
 875                     st->display_order - pic->display_order - 1;
 876                 rps->used_by_curr_pic_s1_flag[rps->num_positive_pics] = used;
 877                 ++rps->num_positive_pics;
 878             }
 879         }
 880
 881         sh->num_long_term_sps  = 0;
 882         sh->num_long_term_pics = 0;
 883
 884         sh->slice_temporal_mvp_enabled_flag =
 885             sps->sps_temporal_mvp_enabled_flag;
 886         if (sh->slice_temporal_mvp_enabled_flag) {
 887             sh->collocated_from_l0_flag = sh->slice_type == HEVC_SLICE_B;
 888             sh->collocated_ref_idx      = 0;
 889         }
 890
 891         sh->num_ref_idx_active_override_flag = 0;
 892         sh->num_ref_idx_l0_active_minus1 = pps->num_ref_idx_l0_default_active_minus1;
 893         sh->num_ref_idx_l1_active_minus1 = pps->num_ref_idx_l1_default_active_minus1;
 894     }
 895
 896     sh->slice_sao_luma_flag = sh->slice_sao_chroma_flag =
 897         sps->sample_adaptive_offset_enabled_flag;
 898
 899     if (pic->type == PICTURE_TYPE_B)
 900         sh->slice_qp_delta = priv->fixed_qp_b - (pps->init_qp_minus26 + 26);
 901     else if (pic->type == PICTURE_TYPE_P)
 902         sh->slice_qp_delta = priv->fixed_qp_p - (pps->init_qp_minus26 + 26);
 903     else
 904         sh->slice_qp_delta = priv->fixed_qp_idr - (pps->init_qp_minus26 + 26);
 905
 906
 907     *vslice = (VAEncSliceParameterBufferHEVC) {
 908         .slice_segment_address = sh->slice_segment_address,
 909         .num_ctu_in_slice      = priv->ctu_width * priv->ctu_height,
 910
 911         .slice_type                 = sh->slice_type,
 912         .slice_pic_parameter_set_id = sh->slice_pic_parameter_set_id,
 913
 914         .num_ref_idx_l0_active_minus1 = sh->num_ref_idx_l0_active_minus1,
 915         .num_ref_idx_l1_active_minus1 = sh->num_ref_idx_l1_active_minus1,
 916
 917         .luma_log2_weight_denom         = sh->luma_log2_weight_denom,
 918         .delta_chroma_log2_weight_denom = sh->delta_chroma_log2_weight_denom,
 919
 920         .max_num_merge_cand = 5 - sh->five_minus_max_num_merge_cand,
 921
 922         .slice_qp_delta     = sh->slice_qp_delta,
 923         .slice_cb_qp_offset = sh->slice_cb_qp_offset,
 924         .slice_cr_qp_offset = sh->slice_cr_qp_offset,
 925
 926         .slice_beta_offset_div2 = sh->slice_beta_offset_div2,
 927         .slice_tc_offset_div2   = sh->slice_tc_offset_div2,
 928
 929         .slice_fields.bits = {
 930             .last_slice_of_pic_flag       = 1,
 931             .dependent_slice_segment_flag = sh->dependent_slice_segment_flag,
 932             .colour_plane_id              = sh->colour_plane_id,
 933             .slice_temporal_mvp_enabled_flag =
 934                 sh->slice_temporal_mvp_enabled_flag,
 935             .slice_sao_luma_flag          = sh->slice_sao_luma_flag,
 936             .slice_sao_chroma_flag        = sh->slice_sao_chroma_flag,
 937             .num_ref_idx_active_override_flag =
 938                 sh->num_ref_idx_active_override_flag,
 939             .mvd_l1_zero_flag             = sh->mvd_l1_zero_flag,
 940             .cabac_init_flag              = sh->cabac_init_flag,
 941             .slice_deblocking_filter_disabled_flag =
 942                 sh->slice_deblocking_filter_disabled_flag,
 943             .slice_loop_filter_across_slices_enabled_flag =
 944                 sh->slice_loop_filter_across_slices_enabled_flag,
 945             .collocated_from_l0_flag      = sh->collocated_from_l0_flag,
 946         },
 947     };
 948
 949     for (i = 0; i < FF_ARRAY_ELEMS(vslice->ref_pic_list0); i++) {
 950         vslice->ref_pic_list0[i].picture_id = VA_INVALID_ID;
 951         vslice->ref_pic_list0[i].flags      = VA_PICTURE_HEVC_INVALID;
 952         vslice->ref_pic_list1[i].picture_id = VA_INVALID_ID;
 953         vslice->ref_pic_list1[i].flags      = VA_PICTURE_HEVC_INVALID;
 954     }
 955
 956     av_assert0(pic->nb_refs <= 2);
 957     if (pic->nb_refs >= 1) {
 958         // Backward reference for P- or B-frame.
 959         av_assert0(pic->type == PICTURE_TYPE_P ||
 960                    pic->type == PICTURE_TYPE_B);
 961         vslice->ref_pic_list0[0] = vpic->reference_frames[0];
 962     }
 963     if (pic->nb_refs >= 2) {
 964         // Forward reference for B-frame.
 965         av_assert0(pic->type == PICTURE_TYPE_B);
 966         vslice->ref_pic_list1[0] = vpic->reference_frames[1];
 967     }
 968
 969     return 0;
 970 }
 971
 972 static av_cold int vaapi_encode_h265_configure(AVCodecContext *avctx)
 973 {
 974     VAAPIEncodeContext      *ctx = avctx->priv_data;
 975     VAAPIEncodeH265Context *priv = ctx->priv_data;
 976     VAAPIEncodeH265Options  *opt = ctx->codec_options;
 977     int err;
 978
 979     err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_HEVC, avctx);
 980     if (err < 0)
 981         return err;
 982
 983     priv->ctu_width     = FFALIGN(ctx->surface_width,  32) / 32;
 984     priv->ctu_height    = FFALIGN(ctx->surface_height, 32) / 32;
 985
 986     av_log(avctx, AV_LOG_VERBOSE, "Input %ux%u -> Surface %ux%u -> CTU %ux%u.\n",
 987            avctx->width, avctx->height, ctx->surface_width,
 988            ctx->surface_height, priv->ctu_width, priv->ctu_height);
 989
 990     if (ctx->va_rc_mode == VA_RC_CQP) {
 991         priv->fixed_qp_p = opt->qp;
 992         if (avctx->i_quant_factor > 0.0)
 993             priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor +
 994                                         avctx->i_quant_offset) + 0.5);
 995         else
 996             priv->fixed_qp_idr = priv->fixed_qp_p;
 997         if (avctx->b_quant_factor > 0.0)
 998             priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor +
 999                                       avctx->b_quant_offset) + 0.5);
1000         else
1001             priv->fixed_qp_b = priv->fixed_qp_p;
1002
1003         av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "
1004                "%d / %d / %d for IDR- / P- / B-frames.\n",
1005                priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
1006
1007     } else if (ctx->va_rc_mode == VA_RC_CBR ||
1008                ctx->va_rc_mode == VA_RC_VBR) {
1009         // These still need to be  set for pic_init_qp/slice_qp_delta.
1010         priv->fixed_qp_idr = 30;
1011         priv->fixed_qp_p   = 30;
1012         priv->fixed_qp_b   = 30;
1013
1014         av_log(avctx, AV_LOG_DEBUG, "Using %s-bitrate = %"PRId64" bps.\n",
1015                ctx->va_rc_mode == VA_RC_CBR ? "constant" : "variable",
1016                avctx->bit_rate);
1017
1018     } else {
1019         av_assert0(0 && "Invalid RC mode.");
1020     }
1021
1022     return 0;
1023 }
1024
1025 static const VAAPIEncodeType vaapi_encode_type_h265 = {
1026     .priv_data_size        = sizeof(VAAPIEncodeH265Context),
1027
1028     .configure             = &vaapi_encode_h265_configure,
1029
1030     .sequence_params_size  = sizeof(VAEncSequenceParameterBufferHEVC),
1031     .init_sequence_params  = &vaapi_encode_h265_init_sequence_params,
1032
1033     .picture_params_size   = sizeof(VAEncPictureParameterBufferHEVC),
1034     .init_picture_params   = &vaapi_encode_h265_init_picture_params,
1035
1036     .slice_params_size     = sizeof(VAEncSliceParameterBufferHEVC),
1037     .init_slice_params     = &vaapi_encode_h265_init_slice_params,
1038
1039     .sequence_header_type  = VAEncPackedHeaderSequence,
1040     .write_sequence_header = &vaapi_encode_h265_write_sequence_header,
1041
1042     .slice_header_type     = VAEncPackedHeaderHEVC_Slice,
1043     .write_slice_header    = &vaapi_encode_h265_write_slice_header,
1044
1045     .write_extra_header    = &vaapi_encode_h265_write_extra_header,
1046 };
1047
1048 static av_cold int vaapi_encode_h265_init(AVCodecContext *avctx)
1049 {
1050     VAAPIEncodeContext     *ctx = avctx->priv_data;
1051     VAAPIEncodeH265Options *opt =
1052         (VAAPIEncodeH265Options*)ctx->codec_options_data;
1053
1054     ctx->codec = &vaapi_encode_type_h265;
1055
1056     if (avctx->profile == FF_PROFILE_UNKNOWN)
1057         avctx->profile = opt->profile;
1058     if (avctx->level == FF_LEVEL_UNKNOWN)
1059         avctx->level = opt->level;
1060
1061     switch (avctx->profile) {
1062     case FF_PROFILE_HEVC_MAIN:
1063     case FF_PROFILE_UNKNOWN:
1064         ctx->va_profile = VAProfileHEVCMain;
1065         ctx->va_rt_format = VA_RT_FORMAT_YUV420;
1066         break;
1067     case FF_PROFILE_HEVC_MAIN_10:
1068 #ifdef VA_RT_FORMAT_YUV420_10BPP
1069         ctx->va_profile = VAProfileHEVCMain10;
1070         ctx->va_rt_format = VA_RT_FORMAT_YUV420_10BPP;
1071         break;
1072 #else
1073         av_log(avctx, AV_LOG_ERROR, "10-bit encoding is not "
1074                "supported with this VAAPI version.\n");
1075         return AVERROR(ENOSYS);
1076 #endif
1077     default:
1078         av_log(avctx, AV_LOG_ERROR, "Unknown H.265 profile %d.\n",
1079                avctx->profile);
1080         return AVERROR(EINVAL);
1081     }
1082     ctx->va_entrypoint = VAEntrypointEncSlice;
1083
1084     if (avctx->bit_rate > 0) {
1085         if (avctx->rc_max_rate == avctx->bit_rate)
1086             ctx->va_rc_mode = VA_RC_CBR;
1087         else
1088             ctx->va_rc_mode = VA_RC_VBR;
1089     } else
1090         ctx->va_rc_mode = VA_RC_CQP;
1091
1092     ctx->va_packed_headers =
1093         VA_ENC_PACKED_HEADER_SEQUENCE | // VPS, SPS and PPS.
1094         VA_ENC_PACKED_HEADER_SLICE    | // Slice headers.
1095         VA_ENC_PACKED_HEADER_MISC;      // SEI
1096
1097     ctx->surface_width  = FFALIGN(avctx->width,  16);
1098     ctx->surface_height = FFALIGN(avctx->height, 16);
1099
1100     return ff_vaapi_encode_init(avctx);
1101 }
1102
1103 static av_cold int vaapi_encode_h265_close(AVCodecContext *avctx)
1104 {
1105     VAAPIEncodeContext *ctx = avctx->priv_data;
1106     VAAPIEncodeH265Context *priv = ctx->priv_data;
1107
1108     if (priv)
1109         ff_cbs_close(&priv->cbc);
1110
1111     return ff_vaapi_encode_close(avctx);
1112 }
1113
1114 #define OFFSET(x) (offsetof(VAAPIEncodeContext, codec_options_data) + \
1115                    offsetof(VAAPIEncodeH265Options, x))
1116 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
1117 static const AVOption vaapi_encode_h265_options[] = {
1118     { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
1119       OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, 52, FLAGS },
1120
1121     { "aud", "Include AUD",
1122       OFFSET(aud), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
1123
1124     { "profile", "Set profile (general_profile_idc)",
1125       OFFSET(profile), AV_OPT_TYPE_INT,
1126       { .i64 = FF_PROFILE_HEVC_MAIN }, 0x00, 0xff, FLAGS, "profile" },
1127
1128 #define PROFILE(name, value)  name, NULL, 0, AV_OPT_TYPE_CONST, \
1129       { .i64 = value }, 0, 0, FLAGS, "profile"
1130     { PROFILE("main",               FF_PROFILE_HEVC_MAIN) },
1131     { PROFILE("main10",             FF_PROFILE_HEVC_MAIN_10) },
1132 #undef PROFILE
1133
1134     { "level", "Set level (general_level_idc)",
1135       OFFSET(level), AV_OPT_TYPE_INT,
1136       { .i64 = 153 }, 0x00, 0xff, FLAGS, "level" },
1137
1138 #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
1139       { .i64 = value }, 0, 0, FLAGS, "level"
1140     { LEVEL("1",    30) },
1141     { LEVEL("2",    60) },
1142     { LEVEL("2.1",  63) },
1143     { LEVEL("3",    90) },
1144     { LEVEL("3.1",  93) },
1145     { LEVEL("4",   120) },
1146     { LEVEL("4.1", 123) },
1147     { LEVEL("5",   150) },
1148     { LEVEL("5.1", 153) },
1149     { LEVEL("5.2", 156) },
1150     { LEVEL("6",   180) },
1151     { LEVEL("6.1", 183) },
1152     { LEVEL("6.2", 186) },
1153 #undef LEVEL
1154
1155     { "sei", "Set SEI to include",
1156       OFFSET(sei), AV_OPT_TYPE_FLAGS,
1157       { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },
1158       0, INT_MAX, FLAGS, "sei" },
1159     { "hdr",
1160       "Include HDR metadata for mastering display colour volume "
1161       "and content light level information",
1162       0, AV_OPT_TYPE_CONST,
1163       { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },
1164       INT_MIN, INT_MAX, FLAGS, "sei" },
1165
1166     { NULL },
1167 };
1168
1169 static const AVCodecDefault vaapi_encode_h265_defaults[] = {
1170     { "b",              "0"   },
1171     { "bf",             "2"   },
1172     { "g",              "120" },
1173     { "i_qfactor",      "1"   },
1174     { "i_qoffset",      "0"   },
1175     { "b_qfactor",      "6/5" },
1176     { "b_qoffset",      "0"   },
1177     { NULL },
1178 };
1179
1180 static const AVClass vaapi_encode_h265_class = {
1181     .class_name = "h265_vaapi",
1182     .item_name  = av_default_item_name,
1183     .option     = vaapi_encode_h265_options,
1184     .version    = LIBAVUTIL_VERSION_INT,
1185 };
1186
1187 AVCodec ff_hevc_vaapi_encoder = {
1188     .name           = "hevc_vaapi",
1189     .long_name      = NULL_IF_CONFIG_SMALL("H.265/HEVC (VAAPI)"),
1190     .type           = AVMEDIA_TYPE_VIDEO,
1191     .id             = AV_CODEC_ID_HEVC,
1192     .priv_data_size = (sizeof(VAAPIEncodeContext) +
1193                        sizeof(VAAPIEncodeH265Options)),
1194     .init           = &vaapi_encode_h265_init,
1195     .encode2        = &ff_vaapi_encode2,
1196     .close          = &vaapi_encode_h265_close,
1197     .priv_class     = &vaapi_encode_h265_class,
1198     .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
1199     .defaults       = vaapi_encode_h265_defaults,
1200     .pix_fmts = (const enum AVPixelFormat[]) {
1201         AV_PIX_FMT_VAAPI,
1202         AV_PIX_FMT_NONE,
1203     },
1204     .wrapper_name   = "vaapi",
1205 };