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FFmpeg/libavcodec/vaapi_encode_h265.c

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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/opt.h"

  27. #include "libavutil/mastering_display_metadata.h"

  28. 

  29. #include "avcodec.h"

  30. #include "cbs.h"

  31. #include "cbs_h265.h"

  32. #include "hevc.h"

  33. #include "hevc_sei.h"

  34. #include "internal.h"

  35. #include "put_bits.h"

  36. #include "vaapi_encode.h"

  37. 

  38. enum {

  39.     SEI_MASTERING_DISPLAY       = 0x08,

  40.     SEI_CONTENT_LIGHT_LEVEL     = 0x10,

  41. };

  42. 

  43. typedef struct VAAPIEncodeH265Context {

  44.     VAAPIEncodeContext common;

  45. 

  46.     // User options.

  47.     int qp;

  48.     int aud;

  49.     int profile;

  50.     int level;

  51.     int sei;

  52. 

  53.     // Derived settings.

  54.     unsigned int ctu_width;

  55.     unsigned int ctu_height;

  56. 

  57.     int fixed_qp_idr;

  58.     int fixed_qp_p;

  59.     int fixed_qp_b;

  60. 

  61.     // Stream state.

  62.     int64_t last_idr_frame;

  63.     int pic_order_cnt;

  64. 

  65.     int slice_nal_unit;

  66.     int slice_type;

  67.     int pic_type;

  68. 

  69.     // Writer structures.

  70.     H265RawAUD   raw_aud;

  71.     H265RawVPS   raw_vps;

  72.     H265RawSPS   raw_sps;

  73.     H265RawPPS   raw_pps;

  74.     H265RawSEI   raw_sei;

  75.     H265RawSlice raw_slice;

  76. 

  77.     H265RawSEIMasteringDisplayColourVolume sei_mastering_display;

  78.     H265RawSEIContentLightLevelInfo        sei_content_light_level;

  79. 

  80.     CodedBitstreamContext *cbc;

  81.     CodedBitstreamFragment current_access_unit;

  82.     int aud_needed;

  83.     int sei_needed;

  84. } VAAPIEncodeH265Context;

  85. 

  86. 

  87. static int vaapi_encode_h265_write_access_unit(AVCodecContext *avctx,

  88.                                                char *data, size_t *data_len,

  89.                                                CodedBitstreamFragment *au)

  90. {

  91.     VAAPIEncodeH265Context *priv = avctx->priv_data;

  92.     int err;

  93. 

  94.     err = ff_cbs_write_fragment_data(priv->cbc, au);

  95.     if (err < 0) {

  96.         av_log(avctx, AV_LOG_ERROR, "Failed to write packed header.\n");

  97.         return err;

  98.     }

  99. 

  100.     if (*data_len < 8 * au->data_size - au->data_bit_padding) {

  101.         av_log(avctx, AV_LOG_ERROR, "Access unit too large: "

  102.                "%zu < %zu.\n", *data_len,

  103.                8 * au->data_size - au->data_bit_padding);

  104.         return AVERROR(ENOSPC);

  105.     }

  106. 

  107.     memcpy(data, au->data, au->data_size);

  108.     *data_len = 8 * au->data_size - au->data_bit_padding;

  109. 

  110.     return 0;

  111. }

  112. 

  113. static int vaapi_encode_h265_add_nal(AVCodecContext *avctx,

  114.                                      CodedBitstreamFragment *au,

  115.                                      void *nal_unit)

  116. {

  117.     VAAPIEncodeH265Context *priv = avctx->priv_data;

  118.     H265RawNALUnitHeader *header = nal_unit;

  119.     int err;

  120. 

  121.     err = ff_cbs_insert_unit_content(priv->cbc, au, -1,

  122.                                      header->nal_unit_type, nal_unit, NULL);

  123.     if (err < 0) {

  124.         av_log(avctx, AV_LOG_ERROR, "Failed to add NAL unit: "

  125.                "type = %d.\n", header->nal_unit_type);

  126.         return err;

  127.     }

  128. 

  129.     return 0;

  130. }

  131. 

  132. static int vaapi_encode_h265_write_sequence_header(AVCodecContext *avctx,

  133.                                                    char *data, size_t *data_len)

  134. {

  135.     VAAPIEncodeH265Context *priv = avctx->priv_data;

  136.     CodedBitstreamFragment   *au = &priv->current_access_unit;

  137.     int err;

  138. 

  139.     if (priv->aud_needed) {

  140.         err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_aud);

  141.         if (err < 0)

  142.             goto fail;

  143.         priv->aud_needed = 0;

  144.     }

  145. 

  146.     err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_vps);

  147.     if (err < 0)

  148.         goto fail;

  149. 

  150.     err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_sps);

  151.     if (err < 0)

  152.         goto fail;

  153. 

  154.     err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_pps);

  155.     if (err < 0)

  156.         goto fail;

  157. 

  158.     err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);

  159. fail:

  160.     ff_cbs_fragment_uninit(priv->cbc, au);

  161.     return err;

  162. }

  163. 

  164. static int vaapi_encode_h265_write_slice_header(AVCodecContext *avctx,

  165.                                                 VAAPIEncodePicture *pic,

  166.                                                 VAAPIEncodeSlice *slice,

  167.                                                 char *data, size_t *data_len)

  168. {

  169.     VAAPIEncodeH265Context *priv = avctx->priv_data;

  170.     CodedBitstreamFragment   *au = &priv->current_access_unit;

  171.     int err;

  172. 

  173.     if (priv->aud_needed) {

  174.         err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_aud);

  175.         if (err < 0)

  176.             goto fail;

  177.         priv->aud_needed = 0;

  178.     }

  179. 

  180.     err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_slice);

  181.     if (err < 0)

  182.         goto fail;

  183. 

  184.     err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);

  185. fail:

  186.     ff_cbs_fragment_uninit(priv->cbc, au);

  187.     return err;

  188. }

  189. 

  190. static int vaapi_encode_h265_write_extra_header(AVCodecContext *avctx,

  191.                                                 VAAPIEncodePicture *pic,

  192.                                                 int index, int *type,

  193.                                                 char *data, size_t *data_len)

  194. {

  195.     VAAPIEncodeH265Context *priv = avctx->priv_data;

  196.     CodedBitstreamFragment   *au = &priv->current_access_unit;

  197.     int err, i;

  198. 

  199.     if (priv->sei_needed) {

  200.         H265RawSEI *sei = &priv->raw_sei;

  201. 

  202.         if (priv->aud_needed) {

  203.             err = vaapi_encode_h265_add_nal(avctx, au, &priv->aud);

  204.             if (err < 0)

  205.                 goto fail;

  206.             priv->aud_needed = 0;

  207.         }

  208. 

  209.         *sei = (H265RawSEI) {

  210.             .nal_unit_header = {

  211.                 .nal_unit_type         = HEVC_NAL_SEI_PREFIX,

  212.                 .nuh_layer_id          = 0,

  213.                 .nuh_temporal_id_plus1 = 1,

  214.             },

  215.         };

  216. 

  217.         i = 0;

  218. 

  219.         if (priv->sei_needed & SEI_MASTERING_DISPLAY) {

  220.             sei->payload[i].payload_type = HEVC_SEI_TYPE_MASTERING_DISPLAY_INFO;

  221.             sei->payload[i].payload.mastering_display = priv->sei_mastering_display;

  222.             ++i;

  223.         }

  224. 

  225.         if (priv->sei_needed & SEI_CONTENT_LIGHT_LEVEL) {

  226.             sei->payload[i].payload_type = HEVC_SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO;

  227.             sei->payload[i].payload.content_light_level = priv->sei_content_light_level;

  228.             ++i;

  229.         }

  230. 

  231.         sei->payload_count = i;

  232.         av_assert0(sei->payload_count > 0);

  233. 

  234.         err = vaapi_encode_h265_add_nal(avctx, au, sei);

  235.         if (err < 0)

  236.             goto fail;

  237.         priv->sei_needed = 0;

  238. 

  239.         err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);

  240.         if (err < 0)

  241.             goto fail;

  242. 

  243.         ff_cbs_fragment_uninit(priv->cbc, au);

  244. 

  245.         *type = VAEncPackedHeaderRawData;

  246.         return 0;

  247.     } else {

  248.         return AVERROR_EOF;

  249.     }

  250. 

  251. fail:

  252.     ff_cbs_fragment_uninit(priv->cbc, au);

  253.     return err;

  254. }

  255. 

  256. static int vaapi_encode_h265_init_sequence_params(AVCodecContext *avctx)

  257. {

  258.     VAAPIEncodeContext                *ctx = avctx->priv_data;

  259.     VAAPIEncodeH265Context           *priv = avctx->priv_data;

  260.     H265RawVPS                        *vps = &priv->raw_vps;

  261.     H265RawSPS                        *sps = &priv->raw_sps;

  262.     H265RawPPS                        *pps = &priv->raw_pps;

  263.     H265RawVUI                        *vui = &sps->vui;

  264.     VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params;

  265.     VAEncPictureParameterBufferHEVC  *vpic = ctx->codec_picture_params;

  266.     int i;

  267. 

  268.     memset(&priv->current_access_unit, 0,

  269.            sizeof(priv->current_access_unit));

  270. 

  271.     memset(vps, 0, sizeof(*vps));

  272.     memset(sps, 0, sizeof(*sps));

  273.     memset(pps, 0, sizeof(*pps));

  274. 

  275. 

  276.     // VPS

  277. 

  278.     vps->nal_unit_header = (H265RawNALUnitHeader) {

  279.         .nal_unit_type         = HEVC_NAL_VPS,

  280.         .nuh_layer_id          = 0,

  281.         .nuh_temporal_id_plus1 = 1,

  282.     };

  283. 

  284.     vps->vps_video_parameter_set_id = 0;

  285. 

  286.     vps->vps_base_layer_internal_flag  = 1;

  287.     vps->vps_base_layer_available_flag = 1;

  288.     vps->vps_max_layers_minus1         = 0;

  289.     vps->vps_max_sub_layers_minus1     = 0;

  290.     vps->vps_temporal_id_nesting_flag  = 1;

  291. 

  292.     vps->profile_tier_level = (H265RawProfileTierLevel) {

  293.         .general_profile_space = 0,

  294.         .general_profile_idc   = avctx->profile,

  295.         .general_tier_flag     = 0,

  296. 

  297.         .general_progressive_source_flag    = 1,

  298.         .general_interlaced_source_flag     = 0,

  299.         .general_non_packed_constraint_flag = 1,

  300.         .general_frame_only_constraint_flag = 1,

  301. 

  302.         .general_level_idc     = avctx->level,

  303.     };

  304.     vps->profile_tier_level.general_profile_compatibility_flag[avctx->profile & 31] = 1;

  305. 

  306.     vps->vps_sub_layer_ordering_info_present_flag = 0;

  307.     vps->vps_max_dec_pic_buffering_minus1[0]      = (ctx->b_per_p > 0) + 1;

  308.     vps->vps_max_num_reorder_pics[0]              = (ctx->b_per_p > 0);

  309.     vps->vps_max_latency_increase_plus1[0]        = 0;

  310. 

  311.     vps->vps_max_layer_id             = 0;

  312.     vps->vps_num_layer_sets_minus1    = 0;

  313.     vps->layer_id_included_flag[0][0] = 1;

  314. 

  315.     vps->vps_timing_info_present_flag = 1;

  316.     if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {

  317.         vps->vps_num_units_in_tick  = avctx->framerate.den;

  318.         vps->vps_time_scale         = avctx->framerate.num;

  319.         vps->vps_poc_proportional_to_timing_flag = 1;

  320.         vps->vps_num_ticks_poc_diff_one_minus1   = 0;

  321.     } else {

  322.         vps->vps_num_units_in_tick  = avctx->time_base.num;

  323.         vps->vps_time_scale         = avctx->time_base.den;

  324.         vps->vps_poc_proportional_to_timing_flag = 0;

  325.     }

  326.     vps->vps_num_hrd_parameters = 0;

  327. 

  328. 

  329.     // SPS

  330. 

  331.     sps->nal_unit_header = (H265RawNALUnitHeader) {

  332.         .nal_unit_type         = HEVC_NAL_SPS,

  333.         .nuh_layer_id          = 0,

  334.         .nuh_temporal_id_plus1 = 1,

  335.     };

  336. 

  337.     sps->sps_video_parameter_set_id = vps->vps_video_parameter_set_id;

  338. 

  339.     sps->sps_max_sub_layers_minus1    = vps->vps_max_sub_layers_minus1;

  340.     sps->sps_temporal_id_nesting_flag = vps->vps_temporal_id_nesting_flag;

  341. 

  342.     sps->profile_tier_level = vps->profile_tier_level;

  343. 

  344.     sps->sps_seq_parameter_set_id = 0;

  345. 

  346.     sps->chroma_format_idc          = 1; // YUV 4:2:0.

  347.     sps->separate_colour_plane_flag = 0;

  348. 

  349.     sps->pic_width_in_luma_samples  = ctx->surface_width;

  350.     sps->pic_height_in_luma_samples = ctx->surface_height;

  351. 

  352.     if (avctx->width  != ctx->surface_width ||

  353.         avctx->height != ctx->surface_height) {

  354.         sps->conformance_window_flag = 1;

  355.         sps->conf_win_left_offset   = 0;

  356.         sps->conf_win_right_offset  =

  357.             (ctx->surface_width - avctx->width) / 2;

  358.         sps->conf_win_top_offset    = 0;

  359.         sps->conf_win_bottom_offset =

  360.             (ctx->surface_height - avctx->height) / 2;

  361.     } else {

  362.         sps->conformance_window_flag = 0;

  363.     }

  364. 

  365.     sps->bit_depth_luma_minus8 =

  366.         avctx->profile == FF_PROFILE_HEVC_MAIN_10 ? 2 : 0;

  367.     sps->bit_depth_chroma_minus8 = sps->bit_depth_luma_minus8;

  368. 

  369.     sps->log2_max_pic_order_cnt_lsb_minus4 = 8;

  370. 

  371.     sps->sps_sub_layer_ordering_info_present_flag =

  372.         vps->vps_sub_layer_ordering_info_present_flag;

  373.     for (i = 0; i <= sps->sps_max_sub_layers_minus1; i++) {

  374.         sps->sps_max_dec_pic_buffering_minus1[i] =

  375.             vps->vps_max_dec_pic_buffering_minus1[i];

  376.         sps->sps_max_num_reorder_pics[i] =

  377.             vps->vps_max_num_reorder_pics[i];

  378.         sps->sps_max_latency_increase_plus1[i] =

  379.             vps->vps_max_latency_increase_plus1[i];

  380.     }

  381. 

  382.     // These have to come from the capabilities of the encoder.  We have no

  383.     // way to query them, so just hardcode parameters which work on the Intel

  384.     // driver.

  385.     // CTB size from 8x8 to 32x32.

  386.     sps->log2_min_luma_coding_block_size_minus3   = 0;

  387.     sps->log2_diff_max_min_luma_coding_block_size = 2;

  388.     // Transform size from 4x4 to 32x32.

  389.     sps->log2_min_luma_transform_block_size_minus2   = 0;

  390.     sps->log2_diff_max_min_luma_transform_block_size = 3;

  391.     // Full transform hierarchy allowed (2-5).

  392.     sps->max_transform_hierarchy_depth_inter = 3;

  393.     sps->max_transform_hierarchy_depth_intra = 3;

  394.     // AMP works.

  395.     sps->amp_enabled_flag = 1;

  396.     // SAO and temporal MVP do not work.

  397.     sps->sample_adaptive_offset_enabled_flag = 0;

  398.     sps->sps_temporal_mvp_enabled_flag       = 0;

  399. 

  400.     sps->pcm_enabled_flag = 0;

  401. 

  402.     // STRPSs should ideally be here rather than defined individually in

  403.     // each slice, but the structure isn't completely fixed so for now

  404.     // don't bother.

  405.     sps->num_short_term_ref_pic_sets     = 0;

  406.     sps->long_term_ref_pics_present_flag = 0;

  407. 

  408.     sps->vui_parameters_present_flag = 1;

  409. 

  410.     if (avctx->sample_aspect_ratio.num != 0 &&

  411.         avctx->sample_aspect_ratio.den != 0) {

  412.         static const AVRational sar_idc[] = {

  413.             {   0,  0 },

  414.             {   1,  1 }, {  12, 11 }, {  10, 11 }, {  16, 11 },

  415.             {  40, 33 }, {  24, 11 }, {  20, 11 }, {  32, 11 },

  416.             {  80, 33 }, {  18, 11 }, {  15, 11 }, {  64, 33 },

  417.             { 160, 99 }, {   4,  3 }, {   3,  2 }, {   2,  1 },

  418.         };

  419.         int i;

  420.         for (i = 0; i < FF_ARRAY_ELEMS(sar_idc); i++) {

  421.             if (avctx->sample_aspect_ratio.num == sar_idc[i].num &&

  422.                 avctx->sample_aspect_ratio.den == sar_idc[i].den) {

  423.                 vui->aspect_ratio_idc = i;

  424.                 break;

  425.             }

  426.         }

  427.         if (i >= FF_ARRAY_ELEMS(sar_idc)) {

  428.             vui->aspect_ratio_idc = 255;

  429.             vui->sar_width  = avctx->sample_aspect_ratio.num;

  430.             vui->sar_height = avctx->sample_aspect_ratio.den;

  431.         }

  432.         vui->aspect_ratio_info_present_flag = 1;

  433.     }

  434. 

  435.     if (avctx->color_range     != AVCOL_RANGE_UNSPECIFIED ||

  436.         avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||

  437.         avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||

  438.         avctx->colorspace      != AVCOL_SPC_UNSPECIFIED) {

  439.         vui->video_signal_type_present_flag = 1;

  440.         vui->video_format      = 5; // Unspecified.

  441.         vui->video_full_range_flag =

  442.             avctx->color_range == AVCOL_RANGE_JPEG;

  443. 

  444.         if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||

  445.             avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||

  446.             avctx->colorspace      != AVCOL_SPC_UNSPECIFIED) {

  447.             vui->colour_description_present_flag = 1;

  448.             vui->colour_primaries         = avctx->color_primaries;

  449.             vui->transfer_characteristics = avctx->color_trc;

  450.             vui->matrix_coefficients      = avctx->colorspace;

  451.         }

  452.     } else {

  453.         vui->video_format             = 5;

  454.         vui->video_full_range_flag    = 0;

  455.         vui->colour_primaries         = avctx->color_primaries;

  456.         vui->transfer_characteristics = avctx->color_trc;

  457.         vui->matrix_coefficients      = avctx->colorspace;

  458.     }

  459. 

  460.     if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) {

  461.         vui->chroma_loc_info_present_flag = 1;

  462.         vui->chroma_sample_loc_type_top_field    =

  463.         vui->chroma_sample_loc_type_bottom_field =

  464.             avctx->chroma_sample_location - 1;

  465.     }

  466. 

  467.     vui->vui_timing_info_present_flag        = 1;

  468.     vui->vui_num_units_in_tick               = vps->vps_num_units_in_tick;

  469.     vui->vui_time_scale                      = vps->vps_time_scale;

  470.     vui->vui_poc_proportional_to_timing_flag = vps->vps_poc_proportional_to_timing_flag;

  471.     vui->vui_num_ticks_poc_diff_one_minus1   = vps->vps_num_ticks_poc_diff_one_minus1;

  472.     vui->vui_hrd_parameters_present_flag     = 0;

  473. 

  474.     vui->bitstream_restriction_flag    = 1;

  475.     vui->motion_vectors_over_pic_boundaries_flag = 1;

  476.     vui->restricted_ref_pic_lists_flag = 1;

  477.     vui->max_bytes_per_pic_denom       = 0;

  478.     vui->max_bits_per_min_cu_denom     = 0;

  479.     vui->log2_max_mv_length_horizontal = 15;

  480.     vui->log2_max_mv_length_vertical   = 15;

  481. 

  482. 

  483.     // PPS

  484. 

  485.     pps->nal_unit_header = (H265RawNALUnitHeader) {

  486.         .nal_unit_type         = HEVC_NAL_PPS,

  487.         .nuh_layer_id          = 0,

  488.         .nuh_temporal_id_plus1 = 1,

  489.     };

  490. 

  491.     pps->pps_pic_parameter_set_id = 0;

  492.     pps->pps_seq_parameter_set_id = sps->sps_seq_parameter_set_id;

  493. 

  494.     pps->num_ref_idx_l0_default_active_minus1 = 0;

  495.     pps->num_ref_idx_l1_default_active_minus1 = 0;

  496. 

  497.     pps->init_qp_minus26 = priv->fixed_qp_idr - 26;

  498. 

  499.     pps->cu_qp_delta_enabled_flag = (ctx->va_rc_mode != VA_RC_CQP);

  500.     pps->diff_cu_qp_delta_depth   = 0;

  501. 

  502.     pps->pps_loop_filter_across_slices_enabled_flag = 1;

  503. 

  504. 

  505.     // Fill VAAPI parameter buffers.

  506. 

  507.     *vseq = (VAEncSequenceParameterBufferHEVC) {

  508.         .general_profile_idc = vps->profile_tier_level.general_profile_idc,

  509.         .general_level_idc   = vps->profile_tier_level.general_level_idc,

  510.         .general_tier_flag   = vps->profile_tier_level.general_tier_flag,

  511. 

  512.         .intra_period     = ctx->gop_size,

  513.         .intra_idr_period = ctx->gop_size,

  514.         .ip_period        = ctx->b_per_p + 1,

  515.         .bits_per_second  = ctx->va_bit_rate,

  516. 

  517.         .pic_width_in_luma_samples  = sps->pic_width_in_luma_samples,

  518.         .pic_height_in_luma_samples = sps->pic_height_in_luma_samples,

  519. 

  520.         .seq_fields.bits = {

  521.             .chroma_format_idc             = sps->chroma_format_idc,

  522.             .separate_colour_plane_flag    = sps->separate_colour_plane_flag,

  523.             .bit_depth_luma_minus8         = sps->bit_depth_luma_minus8,

  524.             .bit_depth_chroma_minus8       = sps->bit_depth_chroma_minus8,

  525.             .scaling_list_enabled_flag     = sps->scaling_list_enabled_flag,

  526.             .strong_intra_smoothing_enabled_flag =

  527.                 sps->strong_intra_smoothing_enabled_flag,

  528.             .amp_enabled_flag              = sps->amp_enabled_flag,

  529.             .sample_adaptive_offset_enabled_flag =

  530.                 sps->sample_adaptive_offset_enabled_flag,

  531.             .pcm_enabled_flag              = sps->pcm_enabled_flag,

  532.             .pcm_loop_filter_disabled_flag = sps->pcm_loop_filter_disabled_flag,

  533.             .sps_temporal_mvp_enabled_flag = sps->sps_temporal_mvp_enabled_flag,

  534.         },

  535. 

  536.         .log2_min_luma_coding_block_size_minus3 =

  537.             sps->log2_min_luma_coding_block_size_minus3,

  538.         .log2_diff_max_min_luma_coding_block_size =

  539.             sps->log2_diff_max_min_luma_coding_block_size,

  540.         .log2_min_transform_block_size_minus2 =

  541.             sps->log2_min_luma_transform_block_size_minus2,

  542.         .log2_diff_max_min_transform_block_size =

  543.             sps->log2_diff_max_min_luma_transform_block_size,

  544.         .max_transform_hierarchy_depth_inter =

  545.             sps->max_transform_hierarchy_depth_inter,

  546.         .max_transform_hierarchy_depth_intra =

  547.             sps->max_transform_hierarchy_depth_intra,

  548. 

  549.         .pcm_sample_bit_depth_luma_minus1 =

  550.             sps->pcm_sample_bit_depth_luma_minus1,

  551.         .pcm_sample_bit_depth_chroma_minus1 =

  552.             sps->pcm_sample_bit_depth_chroma_minus1,

  553.         .log2_min_pcm_luma_coding_block_size_minus3 =

  554.             sps->log2_min_pcm_luma_coding_block_size_minus3,

  555.         .log2_max_pcm_luma_coding_block_size_minus3 =

  556.             sps->log2_min_pcm_luma_coding_block_size_minus3 +

  557.             sps->log2_diff_max_min_pcm_luma_coding_block_size,

  558. 

  559.         .vui_parameters_present_flag = 0,

  560.     };

  561. 

  562.     *vpic = (VAEncPictureParameterBufferHEVC) {

  563.         .decoded_curr_pic = {

  564.             .picture_id = VA_INVALID_ID,

  565.             .flags      = VA_PICTURE_HEVC_INVALID,

  566.         },

  567. 

  568.         .coded_buf = VA_INVALID_ID,

  569. 

  570.         .collocated_ref_pic_index = 0xff,

  571. 

  572.         .last_picture = 0,

  573. 

  574.         .pic_init_qp            = pps->init_qp_minus26 + 26,

  575.         .diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth,

  576.         .pps_cb_qp_offset       = pps->pps_cb_qp_offset,

  577.         .pps_cr_qp_offset       = pps->pps_cr_qp_offset,

  578. 

  579.         .num_tile_columns_minus1 = pps->num_tile_columns_minus1,

  580.         .num_tile_rows_minus1    = pps->num_tile_rows_minus1,

  581. 

  582.         .log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level_minus2,

  583.         .ctu_max_bitsize_allowed          = 0,

  584. 

  585.         .num_ref_idx_l0_default_active_minus1 =

  586.             pps->num_ref_idx_l0_default_active_minus1,

  587.         .num_ref_idx_l1_default_active_minus1 =

  588.             pps->num_ref_idx_l1_default_active_minus1,

  589. 

  590.         .slice_pic_parameter_set_id = pps->pps_pic_parameter_set_id,

  591. 

  592.         .pic_fields.bits = {

  593.             .sign_data_hiding_enabled_flag  = pps->sign_data_hiding_enabled_flag,

  594.             .constrained_intra_pred_flag    = pps->constrained_intra_pred_flag,

  595.             .transform_skip_enabled_flag    = pps->transform_skip_enabled_flag,

  596.             .cu_qp_delta_enabled_flag       = pps->cu_qp_delta_enabled_flag,

  597.             .weighted_pred_flag             = pps->weighted_pred_flag,

  598.             .weighted_bipred_flag           = pps->weighted_bipred_flag,

  599.             .transquant_bypass_enabled_flag = pps->transquant_bypass_enabled_flag,

  600.             .tiles_enabled_flag             = pps->tiles_enabled_flag,

  601.             .entropy_coding_sync_enabled_flag = pps->entropy_coding_sync_enabled_flag,

  602.             .loop_filter_across_tiles_enabled_flag =

  603.                 pps->loop_filter_across_tiles_enabled_flag,

  604.             .scaling_list_data_present_flag = (sps->sps_scaling_list_data_present_flag |

  605.                                                pps->pps_scaling_list_data_present_flag),

  606.             .screen_content_flag            = 0,

  607.             .enable_gpu_weighted_prediction = 0,

  608.             .no_output_of_prior_pics_flag   = 0,

  609.         },

  610.     };

  611. 

  612.     return 0;

  613. }

  614. 

  615. static int vaapi_encode_h265_init_picture_params(AVCodecContext *avctx,

  616.                                                  VAAPIEncodePicture *pic)

  617. {

  618.     VAAPIEncodeH265Context          *priv = avctx->priv_data;

  619.     VAEncPictureParameterBufferHEVC *vpic = pic->codec_picture_params;

  620.     int i;

  621. 

  622.     if (pic->type == PICTURE_TYPE_IDR) {

  623.         av_assert0(pic->display_order == pic->encode_order);

  624. 

  625.         priv->last_idr_frame = pic->display_order;

  626. 

  627.         priv->slice_nal_unit = HEVC_NAL_IDR_W_RADL;

  628.         priv->slice_type     = HEVC_SLICE_I;

  629.         priv->pic_type       = 0;

  630.     } else {

  631.         av_assert0(pic->encode_order > priv->last_idr_frame);

  632. 

  633.         if (pic->type == PICTURE_TYPE_I) {

  634.             priv->slice_nal_unit = HEVC_NAL_CRA_NUT;

  635.             priv->slice_type     = HEVC_SLICE_I;

  636.             priv->pic_type       = 0;

  637.         } else if (pic->type == PICTURE_TYPE_P) {

  638.             av_assert0(pic->refs[0]);

  639.             priv->slice_nal_unit = HEVC_NAL_TRAIL_R;

  640.             priv->slice_type     = HEVC_SLICE_P;

  641.             priv->pic_type       = 1;

  642.         } else {

  643.             av_assert0(pic->refs[0] && pic->refs[1]);

  644.             if (pic->refs[1]->type == PICTURE_TYPE_I)

  645.                 priv->slice_nal_unit = HEVC_NAL_RASL_N;

  646.             else

  647.                 priv->slice_nal_unit = HEVC_NAL_TRAIL_N;

  648.             priv->slice_type = HEVC_SLICE_B;

  649.             priv->pic_type   = 2;

  650.         }

  651.     }

  652.     priv->pic_order_cnt = pic->display_order - priv->last_idr_frame;

  653. 

  654.     if (priv->aud) {

  655.         priv->aud_needed = 1;

  656.         priv->raw_aud = (H265RawAUD) {

  657.             .nal_unit_header = {

  658.                 .nal_unit_type         = HEVC_NAL_AUD,

  659.                 .nuh_layer_id          = 0,

  660.                 .nuh_temporal_id_plus1 = 1,

  661.             },

  662.             .pic_type = priv->pic_type,

  663.         };

  664.     } else {

  665.         priv->aud_needed = 0;

  666.     }

  667. 

  668.     priv->sei_needed = 0;

  669. 

  670.     // Only look for the metadata on I/IDR frame on the output. We

  671.     // may force an IDR frame on the output where the medadata gets

  672.     // changed on the input frame.

  673.     if ((priv->sei & SEI_MASTERING_DISPLAY) &&

  674.         (pic->type == PICTURE_TYPE_I || pic->type == PICTURE_TYPE_IDR)) {

  675.         AVFrameSideData *sd =

  676.             av_frame_get_side_data(pic->input_image,

  677.                                    AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);

  678. 

  679.         if (sd) {

  680.             AVMasteringDisplayMetadata *mdm =

  681.                 (AVMasteringDisplayMetadata *)sd->data;

  682. 

  683.             // SEI is needed when both the primaries and luminance are set

  684.             if (mdm->has_primaries && mdm->has_luminance) {

  685.                 H265RawSEIMasteringDisplayColourVolume *mdcv =

  686.                     &priv->sei_mastering_display;

  687.                 const int mapping[3] = {1, 2, 0};

  688.                 const int chroma_den = 50000;

  689.                 const int luma_den   = 10000;

  690. 

  691.                 for (i = 0; i < 3; i++) {

  692.                     const int j = mapping[i];

  693.                     mdcv->display_primaries_x[i] =

  694.                         FFMIN(lrint(chroma_den *

  695.                                     av_q2d(mdm->display_primaries[j][0])),

  696.                               chroma_den);

  697.                     mdcv->display_primaries_y[i] =

  698.                         FFMIN(lrint(chroma_den *

  699.                                     av_q2d(mdm->display_primaries[j][1])),

  700.                               chroma_den);

  701.                 }

  702. 

  703.                 mdcv->white_point_x =

  704.                     FFMIN(lrint(chroma_den * av_q2d(mdm->white_point[0])),

  705.                           chroma_den);

  706.                 mdcv->white_point_y =

  707.                     FFMIN(lrint(chroma_den * av_q2d(mdm->white_point[1])),

  708.                           chroma_den);

  709. 

  710.                 mdcv->max_display_mastering_luminance =

  711.                     lrint(luma_den * av_q2d(mdm->max_luminance));

  712.                 mdcv->min_display_mastering_luminance =

  713.                     FFMIN(lrint(luma_den * av_q2d(mdm->min_luminance)),

  714.                           mdcv->max_display_mastering_luminance);

  715. 

  716.                 priv->sei_needed |= SEI_MASTERING_DISPLAY;

  717.             }

  718.         }

  719.     }

  720. 

  721.     if ((priv->sei & SEI_CONTENT_LIGHT_LEVEL) &&

  722.         (pic->type == PICTURE_TYPE_I || pic->type == PICTURE_TYPE_IDR)) {

  723.         AVFrameSideData *sd =

  724.             av_frame_get_side_data(pic->input_image,

  725.                                    AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);

  726. 

  727.         if (sd) {

  728.             AVContentLightMetadata *clm =

  729.                 (AVContentLightMetadata *)sd->data;

  730.             H265RawSEIContentLightLevelInfo *clli =

  731.                 &priv->sei_content_light_level;

  732. 

  733.             clli->max_content_light_level     = FFMIN(clm->MaxCLL,  65535);

  734.             clli->max_pic_average_light_level = FFMIN(clm->MaxFALL, 65535);

  735. 

  736.             priv->sei_needed |= SEI_CONTENT_LIGHT_LEVEL;

  737.         }

  738.     }

  739. 

  740.     vpic->decoded_curr_pic = (VAPictureHEVC) {

  741.         .picture_id    = pic->recon_surface,

  742.         .pic_order_cnt = priv->pic_order_cnt,

  743.         .flags         = 0,

  744.     };

  745. 

  746.     for (i = 0; i < pic->nb_refs; i++) {

  747.         VAAPIEncodePicture *ref = pic->refs[i];

  748.         av_assert0(ref && ref->encode_order < pic->encode_order);

  749. 

  750.         vpic->reference_frames[i] = (VAPictureHEVC) {

  751.             .picture_id    = ref->recon_surface,

  752.             .pic_order_cnt = ref->display_order - priv->last_idr_frame,

  753.             .flags = (ref->display_order < pic->display_order ?

  754.                       VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE : 0) |

  755.                      (ref->display_order > pic->display_order ?

  756.                       VA_PICTURE_HEVC_RPS_ST_CURR_AFTER  : 0),

  757.         };

  758.     }

  759.     for (; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++) {

  760.         vpic->reference_frames[i] = (VAPictureHEVC) {

  761.             .picture_id = VA_INVALID_ID,

  762.             .flags      = VA_PICTURE_HEVC_INVALID,

  763.         };

  764.     }

  765. 

  766.     vpic->coded_buf = pic->output_buffer;

  767. 

  768.     vpic->nal_unit_type = priv->slice_nal_unit;

  769. 

  770.     switch (pic->type) {

  771.     case PICTURE_TYPE_IDR:

  772.         vpic->pic_fields.bits.idr_pic_flag       = 1;

  773.         vpic->pic_fields.bits.coding_type        = 1;

  774.         vpic->pic_fields.bits.reference_pic_flag = 1;

  775.         break;

  776.     case PICTURE_TYPE_I:

  777.         vpic->pic_fields.bits.idr_pic_flag       = 0;

  778.         vpic->pic_fields.bits.coding_type        = 1;

  779.         vpic->pic_fields.bits.reference_pic_flag = 1;

  780.         break;

  781.     case PICTURE_TYPE_P:

  782.         vpic->pic_fields.bits.idr_pic_flag       = 0;

  783.         vpic->pic_fields.bits.coding_type        = 2;

  784.         vpic->pic_fields.bits.reference_pic_flag = 1;

  785.         break;

  786.     case PICTURE_TYPE_B:

  787.         vpic->pic_fields.bits.idr_pic_flag       = 0;

  788.         vpic->pic_fields.bits.coding_type        = 3;

  789.         vpic->pic_fields.bits.reference_pic_flag = 0;

  790.         break;

  791.     default:

  792.         av_assert0(0 && "invalid picture type");

  793.     }

  794. 

  795.     pic->nb_slices = 1;

  796. 

  797.     return 0;

  798. }

  799. 

  800. static int vaapi_encode_h265_init_slice_params(AVCodecContext *avctx,

  801.                                                VAAPIEncodePicture *pic,

  802.                                                VAAPIEncodeSlice *slice)

  803. {

  804.     VAAPIEncodeContext                *ctx = avctx->priv_data;

  805.     VAAPIEncodeH265Context           *priv = avctx->priv_data;

  806.     const H265RawSPS                  *sps = &priv->raw_sps;

  807.     const H265RawPPS                  *pps = &priv->raw_pps;

  808.     H265RawSliceHeader                 *sh = &priv->raw_slice.header;

  809.     VAEncPictureParameterBufferHEVC  *vpic = pic->codec_picture_params;

  810.     VAEncSliceParameterBufferHEVC  *vslice = slice->codec_slice_params;

  811.     int i;

  812. 

  813.     sh->nal_unit_header = (H265RawNALUnitHeader) {

  814.         .nal_unit_type         = priv->slice_nal_unit,

  815.         .nuh_layer_id          = 0,

  816.         .nuh_temporal_id_plus1 = 1,

  817.     };

  818. 

  819.     sh->slice_pic_parameter_set_id      = pps->pps_pic_parameter_set_id;

  820. 

  821.     // Currently we only support one slice per frame.

  822.     sh->first_slice_segment_in_pic_flag = 1;

  823.     sh->slice_segment_address           = 0;

  824. 

  825.     sh->slice_type = priv->slice_type;

  826. 

  827.     sh->slice_pic_order_cnt_lsb = priv->pic_order_cnt &

  828.         (1 << (sps->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1;

  829. 

  830.     if (pic->type != PICTURE_TYPE_IDR) {

  831.         H265RawSTRefPicSet *rps;

  832.         VAAPIEncodePicture *st;

  833.         int used;

  834. 

  835.         sh->short_term_ref_pic_set_sps_flag = 0;

  836. 

  837.         rps = &sh->short_term_ref_pic_set;

  838.         memset(rps, 0, sizeof(*rps));

  839. 

  840.         for (st = ctx->pic_start; st; st = st->next) {

  841.             if (st->encode_order >= pic->encode_order) {

  842.                 // Not yet in DPB.

  843.                 continue;

  844.             }

  845.             used = 0;

  846.             for (i = 0; i < pic->nb_refs; i++) {

  847.                 if (pic->refs[i] == st)

  848.                     used = 1;

  849.             }

  850.             if (!used) {

  851.                 // Usually each picture always uses all of the others in the

  852.                 // DPB as references.  The one case we have to treat here is

  853.                 // a non-IDR IRAP picture, which may need to hold unused

  854.                 // references across itself to be used for the decoding of

  855.                 // following RASL pictures.  This looks for such an RASL

  856.                 // picture, and keeps the reference if there is one.

  857.                 VAAPIEncodePicture *rp;

  858.                 for (rp = ctx->pic_start; rp; rp = rp->next) {

  859.                     if (rp->encode_order < pic->encode_order)

  860.                         continue;

  861.                     if (rp->type != PICTURE_TYPE_B)

  862.                         continue;

  863.                     if (rp->refs[0] == st && rp->refs[1] == pic)

  864.                         break;

  865.                 }

  866.                 if (!rp)

  867.                     continue;

  868.             }

  869.             // This only works for one instance of each (delta_poc_sN_minus1

  870.             // is relative to the previous frame in the list, not relative to

  871.             // the current frame directly).

  872.             if (st->display_order < pic->display_order) {

  873.                 rps->delta_poc_s0_minus1[rps->num_negative_pics] =

  874.                     pic->display_order - st->display_order - 1;

  875.                 rps->used_by_curr_pic_s0_flag[rps->num_negative_pics] = used;

  876.                 ++rps->num_negative_pics;

  877.             } else {

  878.                 rps->delta_poc_s1_minus1[rps->num_positive_pics] =

  879.                     st->display_order - pic->display_order - 1;

  880.                 rps->used_by_curr_pic_s1_flag[rps->num_positive_pics] = used;

  881.                 ++rps->num_positive_pics;

  882.             }

  883.         }

  884. 

  885.         sh->num_long_term_sps  = 0;

  886.         sh->num_long_term_pics = 0;

  887. 

  888.         sh->slice_temporal_mvp_enabled_flag =

  889.             sps->sps_temporal_mvp_enabled_flag;

  890.         if (sh->slice_temporal_mvp_enabled_flag) {

  891.             sh->collocated_from_l0_flag = sh->slice_type == HEVC_SLICE_B;

  892.             sh->collocated_ref_idx      = 0;

  893.         }

  894. 

  895.         sh->num_ref_idx_active_override_flag = 0;

  896.         sh->num_ref_idx_l0_active_minus1 = pps->num_ref_idx_l0_default_active_minus1;

  897.         sh->num_ref_idx_l1_active_minus1 = pps->num_ref_idx_l1_default_active_minus1;

  898.     }

  899. 

  900.     sh->slice_sao_luma_flag = sh->slice_sao_chroma_flag =

  901.         sps->sample_adaptive_offset_enabled_flag;

  902. 

  903.     if (pic->type == PICTURE_TYPE_B)

  904.         sh->slice_qp_delta = priv->fixed_qp_b - (pps->init_qp_minus26 + 26);

  905.     else if (pic->type == PICTURE_TYPE_P)

  906.         sh->slice_qp_delta = priv->fixed_qp_p - (pps->init_qp_minus26 + 26);

  907.     else

  908.         sh->slice_qp_delta = priv->fixed_qp_idr - (pps->init_qp_minus26 + 26);

  909. 

  910. 

  911.     *vslice = (VAEncSliceParameterBufferHEVC) {

  912.         .slice_segment_address = sh->slice_segment_address,

  913.         .num_ctu_in_slice      = priv->ctu_width * priv->ctu_height,

  914. 

  915.         .slice_type                 = sh->slice_type,

  916.         .slice_pic_parameter_set_id = sh->slice_pic_parameter_set_id,

  917. 

  918.         .num_ref_idx_l0_active_minus1 = sh->num_ref_idx_l0_active_minus1,

  919.         .num_ref_idx_l1_active_minus1 = sh->num_ref_idx_l1_active_minus1,

  920. 

  921.         .luma_log2_weight_denom         = sh->luma_log2_weight_denom,

  922.         .delta_chroma_log2_weight_denom = sh->delta_chroma_log2_weight_denom,

  923. 

  924.         .max_num_merge_cand = 5 - sh->five_minus_max_num_merge_cand,

  925. 

  926.         .slice_qp_delta     = sh->slice_qp_delta,

  927.         .slice_cb_qp_offset = sh->slice_cb_qp_offset,

  928.         .slice_cr_qp_offset = sh->slice_cr_qp_offset,

  929. 

  930.         .slice_beta_offset_div2 = sh->slice_beta_offset_div2,

  931.         .slice_tc_offset_div2   = sh->slice_tc_offset_div2,

  932. 

  933.         .slice_fields.bits = {

  934.             .last_slice_of_pic_flag       = 1,

  935.             .dependent_slice_segment_flag = sh->dependent_slice_segment_flag,

  936.             .colour_plane_id              = sh->colour_plane_id,

  937.             .slice_temporal_mvp_enabled_flag =

  938.                 sh->slice_temporal_mvp_enabled_flag,

  939.             .slice_sao_luma_flag          = sh->slice_sao_luma_flag,

  940.             .slice_sao_chroma_flag        = sh->slice_sao_chroma_flag,

  941.             .num_ref_idx_active_override_flag =

  942.                 sh->num_ref_idx_active_override_flag,

  943.             .mvd_l1_zero_flag             = sh->mvd_l1_zero_flag,

  944.             .cabac_init_flag              = sh->cabac_init_flag,

  945.             .slice_deblocking_filter_disabled_flag =

  946.                 sh->slice_deblocking_filter_disabled_flag,

  947.             .slice_loop_filter_across_slices_enabled_flag =

  948.                 sh->slice_loop_filter_across_slices_enabled_flag,

  949.             .collocated_from_l0_flag      = sh->collocated_from_l0_flag,

  950.         },

  951.     };

  952. 

  953.     for (i = 0; i < FF_ARRAY_ELEMS(vslice->ref_pic_list0); i++) {

  954.         vslice->ref_pic_list0[i].picture_id = VA_INVALID_ID;

  955.         vslice->ref_pic_list0[i].flags      = VA_PICTURE_HEVC_INVALID;

  956.         vslice->ref_pic_list1[i].picture_id = VA_INVALID_ID;

  957.         vslice->ref_pic_list1[i].flags      = VA_PICTURE_HEVC_INVALID;

  958.     }

  959. 

  960.     av_assert0(pic->nb_refs <= 2);

  961.     if (pic->nb_refs >= 1) {

  962.         // Backward reference for P- or B-frame.

  963.         av_assert0(pic->type == PICTURE_TYPE_P ||

  964.                    pic->type == PICTURE_TYPE_B);

  965.         vslice->ref_pic_list0[0] = vpic->reference_frames[0];

  966.     }

  967.     if (pic->nb_refs >= 2) {

  968.         // Forward reference for B-frame.

  969.         av_assert0(pic->type == PICTURE_TYPE_B);

  970.         vslice->ref_pic_list1[0] = vpic->reference_frames[1];

  971.     }

  972. 

  973.     return 0;

  974. }

  975. 

  976. static av_cold int vaapi_encode_h265_configure(AVCodecContext *avctx)

  977. {

  978.     VAAPIEncodeContext      *ctx = avctx->priv_data;

  979.     VAAPIEncodeH265Context *priv = avctx->priv_data;

  980.     int err;

  981. 

  982.     err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_HEVC, avctx);

  983.     if (err < 0)

  984.         return err;

  985. 

  986.     priv->ctu_width     = FFALIGN(ctx->surface_width,  32) / 32;

  987.     priv->ctu_height    = FFALIGN(ctx->surface_height, 32) / 32;

  988. 

  989.     av_log(avctx, AV_LOG_VERBOSE, "Input %ux%u -> Surface %ux%u -> CTU %ux%u.\n",

  990.            avctx->width, avctx->height, ctx->surface_width,

  991.            ctx->surface_height, priv->ctu_width, priv->ctu_height);

  992. 

  993.     if (ctx->va_rc_mode == VA_RC_CQP) {

  994.         priv->fixed_qp_p = priv->qp;

  995.         if (avctx->i_quant_factor > 0.0)

  996.             priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor +

  997.                                         avctx->i_quant_offset) + 0.5);

  998.         else

  999.             priv->fixed_qp_idr = priv->fixed_qp_p;

  1000.         if (avctx->b_quant_factor > 0.0)

  1001.             priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor +

  1002.                                       avctx->b_quant_offset) + 0.5);

  1003.         else

  1004.             priv->fixed_qp_b = priv->fixed_qp_p;

  1005. 

  1006.         av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "

  1007.                "%d / %d / %d for IDR- / P- / B-frames.\n",

  1008.                priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);

  1009. 

  1010.     } else if (ctx->va_rc_mode == VA_RC_CBR ||

  1011.                ctx->va_rc_mode == VA_RC_VBR) {

  1012.         // These still need to be  set for pic_init_qp/slice_qp_delta.

  1013.         priv->fixed_qp_idr = 30;

  1014.         priv->fixed_qp_p   = 30;

  1015.         priv->fixed_qp_b   = 30;

  1016. 

  1017.     } else {

  1018.         av_assert0(0 && "Invalid RC mode.");

  1019.     }

  1020. 

  1021.     return 0;

  1022. }

  1023. 

  1024. static const VAAPIEncodeProfile vaapi_encode_h265_profiles[] = {

  1025.     { FF_PROFILE_HEVC_MAIN,     8, 3, 1, 1, VAProfileHEVCMain       },

  1026. #if VA_CHECK_VERSION(0, 37, 0)

  1027.     { FF_PROFILE_HEVC_MAIN_10, 10, 3, 1, 1, VAProfileHEVCMain10     },

  1028. #endif

  1029.     { FF_PROFILE_UNKNOWN }

  1030. };

  1031. 

  1032. static const VAAPIEncodeType vaapi_encode_type_h265 = {

  1033.     .profiles              = vaapi_encode_h265_profiles,

  1034. 

  1035.     .configure             = &vaapi_encode_h265_configure,

  1036. 

  1037.     .sequence_params_size  = sizeof(VAEncSequenceParameterBufferHEVC),

  1038.     .init_sequence_params  = &vaapi_encode_h265_init_sequence_params,

  1039. 

  1040.     .picture_params_size   = sizeof(VAEncPictureParameterBufferHEVC),

  1041.     .init_picture_params   = &vaapi_encode_h265_init_picture_params,

  1042. 

  1043.     .slice_params_size     = sizeof(VAEncSliceParameterBufferHEVC),

  1044.     .init_slice_params     = &vaapi_encode_h265_init_slice_params,

  1045. 

  1046.     .sequence_header_type  = VAEncPackedHeaderSequence,

  1047.     .write_sequence_header = &vaapi_encode_h265_write_sequence_header,

  1048. 

  1049.     .slice_header_type     = VAEncPackedHeaderHEVC_Slice,

  1050.     .write_slice_header    = &vaapi_encode_h265_write_slice_header,

  1051. 

  1052.     .write_extra_header    = &vaapi_encode_h265_write_extra_header,

  1053. };

  1054. 

  1055. static av_cold int vaapi_encode_h265_init(AVCodecContext *avctx)

  1056. {

  1057.     VAAPIEncodeContext      *ctx = avctx->priv_data;

  1058.     VAAPIEncodeH265Context *priv = avctx->priv_data;

  1059. 

  1060.     ctx->codec = &vaapi_encode_type_h265;

  1061. 

  1062.     if (avctx->profile == FF_PROFILE_UNKNOWN)

  1063.         avctx->profile = priv->profile;

  1064.     if (avctx->level == FF_LEVEL_UNKNOWN)

  1065.         avctx->level = priv->level;

  1066. 

  1067.     ctx->va_packed_headers =

  1068.         VA_ENC_PACKED_HEADER_SEQUENCE | // VPS, SPS and PPS.

  1069.         VA_ENC_PACKED_HEADER_SLICE    | // Slice headers.

  1070.         VA_ENC_PACKED_HEADER_MISC;      // SEI

  1071. 

  1072.     ctx->surface_width  = FFALIGN(avctx->width,  16);

  1073.     ctx->surface_height = FFALIGN(avctx->height, 16);

  1074. 

  1075.     return ff_vaapi_encode_init(avctx);

  1076. }

  1077. 

  1078. static av_cold int vaapi_encode_h265_close(AVCodecContext *avctx)

  1079. {

  1080.     VAAPIEncodeH265Context *priv = avctx->priv_data;

  1081. 

  1082.     ff_cbs_close(&priv->cbc);

  1083. 

  1084.     return ff_vaapi_encode_close(avctx);

  1085. }

  1086. 

  1087. #define OFFSET(x) offsetof(VAAPIEncodeH265Context, x)

  1088. #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)

  1089. static const AVOption vaapi_encode_h265_options[] = {

  1090.     VAAPI_ENCODE_COMMON_OPTIONS,

  1091. 

  1092.     { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",

  1093.       OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, 52, FLAGS },

  1094. 

  1095.     { "aud", "Include AUD",

  1096.       OFFSET(aud), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },

  1097. 

  1098.     { "profile", "Set profile (general_profile_idc)",

  1099.       OFFSET(profile), AV_OPT_TYPE_INT,

  1100.       { .i64 = FF_PROFILE_UNKNOWN }, FF_PROFILE_UNKNOWN, 0xff, FLAGS, "profile" },

  1101. 

  1102. #define PROFILE(name, value)  name, NULL, 0, AV_OPT_TYPE_CONST, \

  1103.       { .i64 = value }, 0, 0, FLAGS, "profile"

  1104.     { PROFILE("main",               FF_PROFILE_HEVC_MAIN) },

  1105.     { PROFILE("main10",             FF_PROFILE_HEVC_MAIN_10) },

  1106. #undef PROFILE

  1107. 

  1108.     { "level", "Set level (general_level_idc)",

  1109.       OFFSET(level), AV_OPT_TYPE_INT,

  1110.       { .i64 = 153 }, 0x00, 0xff, FLAGS, "level" },

  1111. 

  1112. #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \

  1113.       { .i64 = value }, 0, 0, FLAGS, "level"

  1114.     { LEVEL("1",    30) },

  1115.     { LEVEL("2",    60) },

  1116.     { LEVEL("2.1",  63) },

  1117.     { LEVEL("3",    90) },

  1118.     { LEVEL("3.1",  93) },

  1119.     { LEVEL("4",   120) },

  1120.     { LEVEL("4.1", 123) },

  1121.     { LEVEL("5",   150) },

  1122.     { LEVEL("5.1", 153) },

  1123.     { LEVEL("5.2", 156) },

  1124.     { LEVEL("6",   180) },

  1125.     { LEVEL("6.1", 183) },

  1126.     { LEVEL("6.2", 186) },

  1127. #undef LEVEL

  1128. 

  1129.     { "sei", "Set SEI to include",

  1130.       OFFSET(sei), AV_OPT_TYPE_FLAGS,

  1131.       { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },

  1132.       0, INT_MAX, FLAGS, "sei" },

  1133.     { "hdr",

  1134.       "Include HDR metadata for mastering display colour volume "

  1135.       "and content light level information",

  1136.       0, AV_OPT_TYPE_CONST,

  1137.       { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },

  1138.       INT_MIN, INT_MAX, FLAGS, "sei" },

  1139. 

  1140.     { NULL },

  1141. };

  1142. 

  1143. static const AVCodecDefault vaapi_encode_h265_defaults[] = {

  1144.     { "b",              "0"   },

  1145.     { "bf",             "2"   },

  1146.     { "g",              "120" },

  1147.     { "i_qfactor",      "1"   },

  1148.     { "i_qoffset",      "0"   },

  1149.     { "b_qfactor",      "6/5" },

  1150.     { "b_qoffset",      "0"   },

  1151.     { "qmin",           "-1"  },

  1152.     { "qmax",           "-1"  },

  1153.     { NULL },

  1154. };

  1155. 

  1156. static const AVClass vaapi_encode_h265_class = {

  1157.     .class_name = "h265_vaapi",

  1158.     .item_name  = av_default_item_name,

  1159.     .option     = vaapi_encode_h265_options,

  1160.     .version    = LIBAVUTIL_VERSION_INT,

  1161. };

  1162. 

  1163. AVCodec ff_hevc_vaapi_encoder = {

  1164.     .name           = "hevc_vaapi",

  1165.     .long_name      = NULL_IF_CONFIG_SMALL("H.265/HEVC (VAAPI)"),

  1166.     .type           = AVMEDIA_TYPE_VIDEO,

  1167.     .id             = AV_CODEC_ID_HEVC,

  1168.     .priv_data_size = sizeof(VAAPIEncodeH265Context),

  1169.     .init           = &vaapi_encode_h265_init,

  1170.     .encode2        = &ff_vaapi_encode2,

  1171.     .close          = &vaapi_encode_h265_close,

  1172.     .priv_class     = &vaapi_encode_h265_class,

  1173.     .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,

  1174.     .defaults       = vaapi_encode_h265_defaults,

  1175.     .pix_fmts = (const enum AVPixelFormat[]) {

  1176.         AV_PIX_FMT_VAAPI,

  1177.         AV_PIX_FMT_NONE,

  1178.     },

  1179.     .wrapper_name   = "vaapi",

  1180. };