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