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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/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 "hevc.h"

  34. #include "hevc_sei.h"

  35. #include "internal.h"

  36. #include "put_bits.h"

  37. #include "vaapi_encode.h"

  38. 

  39. enum {

  40.     SEI_MASTERING_DISPLAY       = 0x08,

  41.     SEI_CONTENT_LIGHT_LEVEL     = 0x10,

  42. };

  43. 

  44. typedef struct VAAPIEncodeH265Context {

  45.     VAAPIEncodeContext common;

  46. 

  47.     // User options.

  48.     int qp;

  49.     int aud;

  50.     int profile;

  51.     int level;

  52.     int sei;

  53. 

  54.     // Derived settings.

  55.     unsigned int ctu_width;

  56.     unsigned int ctu_height;

  57. 

  58.     int fixed_qp_idr;

  59.     int fixed_qp_p;

  60.     int fixed_qp_b;

  61. 

  62.     // Stream state.

  63.     int64_t last_idr_frame;

  64.     int pic_order_cnt;

  65. 

  66.     int slice_nal_unit;

  67.     int slice_type;

  68.     int pic_type;

  69. 

  70.     // Writer structures.

  71.     H265RawAUD   raw_aud;

  72.     H265RawVPS   raw_vps;

  73.     H265RawSPS   raw_sps;

  74.     H265RawPPS   raw_pps;

  75.     H265RawSEI   raw_sei;

  76.     H265RawSlice raw_slice;

  77. 

  78.     H265RawSEIMasteringDisplayColourVolume sei_mastering_display;

  79.     H265RawSEIContentLightLevelInfo        sei_content_light_level;

  80. 

  81.     CodedBitstreamContext *cbc;

  82.     CodedBitstreamFragment current_access_unit;

  83.     int aud_needed;

  84.     int sei_needed;

  85. } VAAPIEncodeH265Context;

  86. 

  87. 

  88. static int vaapi_encode_h265_write_access_unit(AVCodecContext *avctx,

  89.                                                char *data, size_t *data_len,

  90.                                                CodedBitstreamFragment *au)

  91. {

  92.     VAAPIEncodeH265Context *priv = avctx->priv_data;

  93.     int err;

  94. 

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

  96.     if (err < 0) {

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

  98.         return err;

  99.     }

  100. 

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

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

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

  104.                8 * au->data_size - au->data_bit_padding);

  105.         return AVERROR(ENOSPC);

  106.     }

  107. 

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

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

  110. 

  111.     return 0;

  112. }

  113. 

  114. static int vaapi_encode_h265_add_nal(AVCodecContext *avctx,

  115.                                      CodedBitstreamFragment *au,

  116.                                      void *nal_unit)

  117. {

  118.     VAAPIEncodeH265Context *priv = avctx->priv_data;

  119.     H265RawNALUnitHeader *header = nal_unit;

  120.     int err;

  121. 

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

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

  124.     if (err < 0) {

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

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

  127.         return err;

  128.     }

  129. 

  130.     return 0;

  131. }

  132. 

  133. static int vaapi_encode_h265_write_sequence_header(AVCodecContext *avctx,

  134.                                                    char *data, size_t *data_len)

  135. {

  136.     VAAPIEncodeH265Context *priv = avctx->priv_data;

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

  138.     int err;

  139. 

  140.     if (priv->aud_needed) {

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

  142.         if (err < 0)

  143.             goto fail;

  144.         priv->aud_needed = 0;

  145.     }

  146. 

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

  148.     if (err < 0)

  149.         goto fail;

  150. 

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

  152.     if (err < 0)

  153.         goto fail;

  154. 

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

  156.     if (err < 0)

  157.         goto fail;

  158. 

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

  160. fail:

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

  162.     return err;

  163. }

  164. 

  165. static int vaapi_encode_h265_write_slice_header(AVCodecContext *avctx,

  166.                                                 VAAPIEncodePicture *pic,

  167.                                                 VAAPIEncodeSlice *slice,

  168.                                                 char *data, size_t *data_len)

  169. {

  170.     VAAPIEncodeH265Context *priv = avctx->priv_data;

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

  172.     int err;

  173. 

  174.     if (priv->aud_needed) {

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

  176.         if (err < 0)

  177.             goto fail;

  178.         priv->aud_needed = 0;

  179.     }

  180. 

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

  182.     if (err < 0)

  183.         goto fail;

  184. 

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

  186. fail:

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

  188.     return err;

  189. }

  190. 

  191. static int vaapi_encode_h265_write_extra_header(AVCodecContext *avctx,

  192.                                                 VAAPIEncodePicture *pic,

  193.                                                 int index, int *type,

  194.                                                 char *data, size_t *data_len)

  195. {

  196.     VAAPIEncodeH265Context *priv = avctx->priv_data;

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

  198.     int err, i;

  199. 

  200.     if (priv->sei_needed) {

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

  202. 

  203.         if (priv->aud_needed) {

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

  205.             if (err < 0)

  206.                 goto fail;

  207.             priv->aud_needed = 0;

  208.         }

  209. 

  210.         *sei = (H265RawSEI) {

  211.             .nal_unit_header = {

  212.                 .nal_unit_type         = HEVC_NAL_SEI_PREFIX,

  213.                 .nuh_layer_id          = 0,

  214.                 .nuh_temporal_id_plus1 = 1,

  215.             },

  216.         };

  217. 

  218.         i = 0;

  219. 

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

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

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

  223.             ++i;

  224.         }

  225. 

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

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

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

  229.             ++i;

  230.         }

  231. 

  232.         sei->payload_count = i;

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

  234. 

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

  236.         if (err < 0)

  237.             goto fail;

  238.         priv->sei_needed = 0;

  239. 

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

  241.         if (err < 0)

  242.             goto fail;

  243. 

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

  245. 

  246.         *type = VAEncPackedHeaderRawData;

  247.         return 0;

  248.     } else {

  249.         return AVERROR_EOF;

  250.     }

  251. 

  252. fail:

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

  254.     return err;

  255. }

  256. 

  257. static int vaapi_encode_h265_init_sequence_params(AVCodecContext *avctx)

  258. {

  259.     VAAPIEncodeContext                *ctx = avctx->priv_data;

  260.     VAAPIEncodeH265Context           *priv = avctx->priv_data;

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

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

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

  264.     H265RawProfileTierLevel           *ptl = &vps->profile_tier_level;

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

  266.     VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params;

  267.     VAEncPictureParameterBufferHEVC  *vpic = ctx->codec_picture_params;

  268.     const AVPixFmtDescriptor *desc;

  269.     int chroma_format, bit_depth;

  270.     int i;

  271. 

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

  273.            sizeof(priv->current_access_unit));

  274. 

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

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

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

  278. 

  279. 

  280.     desc = av_pix_fmt_desc_get(priv->common.input_frames->sw_format);

  281.     av_assert0(desc);

  282.     if (desc->nb_components == 1) {

  283.         chroma_format = 0;

  284.     } else {

  285.         if (desc->log2_chroma_w == 1 && desc->log2_chroma_h == 1) {

  286.             chroma_format = 1;

  287.         } else if (desc->log2_chroma_w == 1 && desc->log2_chroma_h == 0) {

  288.             chroma_format = 2;

  289.         } else if (desc->log2_chroma_w == 0 && desc->log2_chroma_h == 0) {

  290.             chroma_format = 3;

  291.         } else {

  292.             av_log(avctx, AV_LOG_ERROR, "Chroma format of input pixel format "

  293.                    "%s is not supported.\n", desc->name);

  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     = 0;

  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.     ptl->general_level_idc = avctx->level;

  343. 

  344.     vps->vps_sub_layer_ordering_info_present_flag = 0;

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

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

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

  348. 

  349.     vps->vps_max_layer_id             = 0;

  350.     vps->vps_num_layer_sets_minus1    = 0;

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

  352. 

  353.     vps->vps_timing_info_present_flag = 1;

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

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

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

  357.         vps->vps_poc_proportional_to_timing_flag = 1;

  358.         vps->vps_num_ticks_poc_diff_one_minus1   = 0;

  359.     } else {

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

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

  362.         vps->vps_poc_proportional_to_timing_flag = 0;

  363.     }

  364.     vps->vps_num_hrd_parameters = 0;

  365. 

  366. 

  367.     // SPS

  368. 

  369.     sps->nal_unit_header = (H265RawNALUnitHeader) {

  370.         .nal_unit_type         = HEVC_NAL_SPS,

  371.         .nuh_layer_id          = 0,

  372.         .nuh_temporal_id_plus1 = 1,

  373.     };

  374. 

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

  376. 

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

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

  379. 

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

  381. 

  382.     sps->sps_seq_parameter_set_id = 0;

  383. 

  384.     sps->chroma_format_idc          = chroma_format;

  385.     sps->separate_colour_plane_flag = 0;

  386. 

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

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

  389. 

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

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

  392.         sps->conformance_window_flag = 1;

  393.         sps->conf_win_left_offset   = 0;

  394.         sps->conf_win_right_offset  =

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

  396.         sps->conf_win_top_offset    = 0;

  397.         sps->conf_win_bottom_offset =

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

  399.     } else {

  400.         sps->conformance_window_flag = 0;

  401.     }

  402. 

  403.     sps->bit_depth_luma_minus8   = bit_depth - 8;

  404.     sps->bit_depth_chroma_minus8 = bit_depth - 8;

  405. 

  406.     sps->log2_max_pic_order_cnt_lsb_minus4 = 8;

  407. 

  408.     sps->sps_sub_layer_ordering_info_present_flag =

  409.         vps->vps_sub_layer_ordering_info_present_flag;

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

  411.         sps->sps_max_dec_pic_buffering_minus1[i] =

  412.             vps->vps_max_dec_pic_buffering_minus1[i];

  413.         sps->sps_max_num_reorder_pics[i] =

  414.             vps->vps_max_num_reorder_pics[i];

  415.         sps->sps_max_latency_increase_plus1[i] =

  416.             vps->vps_max_latency_increase_plus1[i];

  417.     }

  418. 

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

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

  421.     // driver.

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

  423.     sps->log2_min_luma_coding_block_size_minus3   = 0;

  424.     sps->log2_diff_max_min_luma_coding_block_size = 2;

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

  426.     sps->log2_min_luma_transform_block_size_minus2   = 0;

  427.     sps->log2_diff_max_min_luma_transform_block_size = 3;

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

  429.     sps->max_transform_hierarchy_depth_inter = 3;

  430.     sps->max_transform_hierarchy_depth_intra = 3;

  431.     // AMP works.

  432.     sps->amp_enabled_flag = 1;

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

  434.     sps->sample_adaptive_offset_enabled_flag = 0;

  435.     sps->sps_temporal_mvp_enabled_flag       = 0;

  436. 

  437.     sps->pcm_enabled_flag = 0;

  438. 

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

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

  441.     // don't bother.

  442.     sps->num_short_term_ref_pic_sets     = 0;

  443.     sps->long_term_ref_pics_present_flag = 0;

  444. 

  445.     sps->vui_parameters_present_flag = 1;

  446. 

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

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

  449.         static const AVRational sar_idc[] = {

  450.             {   0,  0 },

  451.             {   1,  1 }, {  12, 11 }, {  10, 11 }, {  16, 11 },

  452.             {  40, 33 }, {  24, 11 }, {  20, 11 }, {  32, 11 },

  453.             {  80, 33 }, {  18, 11 }, {  15, 11 }, {  64, 33 },

  454.             { 160, 99 }, {   4,  3 }, {   3,  2 }, {   2,  1 },

  455.         };

  456.         int i;

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

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

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

  460.                 vui->aspect_ratio_idc = i;

  461.                 break;

  462.             }

  463.         }

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

  465.             vui->aspect_ratio_idc = 255;

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

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

  468.         }

  469.         vui->aspect_ratio_info_present_flag = 1;

  470.     }

  471. 

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

  473.         avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||

  474.         avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||

  475.         avctx->colorspace      != AVCOL_SPC_UNSPECIFIED) {

  476.         vui->video_signal_type_present_flag = 1;

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

  478.         vui->video_full_range_flag =

  479.             avctx->color_range == AVCOL_RANGE_JPEG;

  480. 

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

  482.             avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||

  483.             avctx->colorspace      != AVCOL_SPC_UNSPECIFIED) {

  484.             vui->colour_description_present_flag = 1;

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

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

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

  488.         }

  489.     } else {

  490.         vui->video_format             = 5;

  491.         vui->video_full_range_flag    = 0;

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

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

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

  495.     }

  496. 

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

  498.         vui->chroma_loc_info_present_flag = 1;

  499.         vui->chroma_sample_loc_type_top_field    =

  500.         vui->chroma_sample_loc_type_bottom_field =

  501.             avctx->chroma_sample_location - 1;

  502.     }

  503. 

  504.     vui->vui_timing_info_present_flag        = 1;

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

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

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

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

  509.     vui->vui_hrd_parameters_present_flag     = 0;

  510. 

  511.     vui->bitstream_restriction_flag    = 1;

  512.     vui->motion_vectors_over_pic_boundaries_flag = 1;

  513.     vui->restricted_ref_pic_lists_flag = 1;

  514.     vui->max_bytes_per_pic_denom       = 0;

  515.     vui->max_bits_per_min_cu_denom     = 0;

  516.     vui->log2_max_mv_length_horizontal = 15;

  517.     vui->log2_max_mv_length_vertical   = 15;

  518. 

  519. 

  520.     // PPS

  521. 

  522.     pps->nal_unit_header = (H265RawNALUnitHeader) {

  523.         .nal_unit_type         = HEVC_NAL_PPS,

  524.         .nuh_layer_id          = 0,

  525.         .nuh_temporal_id_plus1 = 1,

  526.     };

  527. 

  528.     pps->pps_pic_parameter_set_id = 0;

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

  530. 

  531.     pps->num_ref_idx_l0_default_active_minus1 = 0;

  532.     pps->num_ref_idx_l1_default_active_minus1 = 0;

  533. 

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

  535. 

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

  537.     pps->diff_cu_qp_delta_depth   = 0;

  538. 

  539.     pps->pps_loop_filter_across_slices_enabled_flag = 1;

  540. 

  541. 

  542.     // Fill VAAPI parameter buffers.

  543. 

  544.     *vseq = (VAEncSequenceParameterBufferHEVC) {

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

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

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

  548. 

  549.         .intra_period     = ctx->gop_size,

  550.         .intra_idr_period = ctx->gop_size,

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

  552.         .bits_per_second  = ctx->va_bit_rate,

  553. 

  554.         .pic_width_in_luma_samples  = sps->pic_width_in_luma_samples,

  555.         .pic_height_in_luma_samples = sps->pic_height_in_luma_samples,

  556. 

  557.         .seq_fields.bits = {

  558.             .chroma_format_idc             = sps->chroma_format_idc,

  559.             .separate_colour_plane_flag    = sps->separate_colour_plane_flag,

  560.             .bit_depth_luma_minus8         = sps->bit_depth_luma_minus8,

  561.             .bit_depth_chroma_minus8       = sps->bit_depth_chroma_minus8,

  562.             .scaling_list_enabled_flag     = sps->scaling_list_enabled_flag,

  563.             .strong_intra_smoothing_enabled_flag =

  564.                 sps->strong_intra_smoothing_enabled_flag,

  565.             .amp_enabled_flag              = sps->amp_enabled_flag,

  566.             .sample_adaptive_offset_enabled_flag =

  567.                 sps->sample_adaptive_offset_enabled_flag,

  568.             .pcm_enabled_flag              = sps->pcm_enabled_flag,

  569.             .pcm_loop_filter_disabled_flag = sps->pcm_loop_filter_disabled_flag,

  570.             .sps_temporal_mvp_enabled_flag = sps->sps_temporal_mvp_enabled_flag,

  571.         },

  572. 

  573.         .log2_min_luma_coding_block_size_minus3 =

  574.             sps->log2_min_luma_coding_block_size_minus3,

  575.         .log2_diff_max_min_luma_coding_block_size =

  576.             sps->log2_diff_max_min_luma_coding_block_size,

  577.         .log2_min_transform_block_size_minus2 =

  578.             sps->log2_min_luma_transform_block_size_minus2,

  579.         .log2_diff_max_min_transform_block_size =

  580.             sps->log2_diff_max_min_luma_transform_block_size,

  581.         .max_transform_hierarchy_depth_inter =

  582.             sps->max_transform_hierarchy_depth_inter,

  583.         .max_transform_hierarchy_depth_intra =

  584.             sps->max_transform_hierarchy_depth_intra,

  585. 

  586.         .pcm_sample_bit_depth_luma_minus1 =

  587.             sps->pcm_sample_bit_depth_luma_minus1,

  588.         .pcm_sample_bit_depth_chroma_minus1 =

  589.             sps->pcm_sample_bit_depth_chroma_minus1,

  590.         .log2_min_pcm_luma_coding_block_size_minus3 =

  591.             sps->log2_min_pcm_luma_coding_block_size_minus3,

  592.         .log2_max_pcm_luma_coding_block_size_minus3 =

  593.             sps->log2_min_pcm_luma_coding_block_size_minus3 +

  594.             sps->log2_diff_max_min_pcm_luma_coding_block_size,

  595. 

  596.         .vui_parameters_present_flag = 0,

  597.     };

  598. 

  599.     *vpic = (VAEncPictureParameterBufferHEVC) {

  600.         .decoded_curr_pic = {

  601.             .picture_id = VA_INVALID_ID,

  602.             .flags      = VA_PICTURE_HEVC_INVALID,

  603.         },

  604. 

  605.         .coded_buf = VA_INVALID_ID,

  606. 

  607.         .collocated_ref_pic_index = 0xff,

  608. 

  609.         .last_picture = 0,

  610. 

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

  612.         .diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth,

  613.         .pps_cb_qp_offset       = pps->pps_cb_qp_offset,

  614.         .pps_cr_qp_offset       = pps->pps_cr_qp_offset,

  615. 

  616.         .num_tile_columns_minus1 = pps->num_tile_columns_minus1,

  617.         .num_tile_rows_minus1    = pps->num_tile_rows_minus1,

  618. 

  619.         .log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level_minus2,

  620.         .ctu_max_bitsize_allowed          = 0,

  621. 

  622.         .num_ref_idx_l0_default_active_minus1 =

  623.             pps->num_ref_idx_l0_default_active_minus1,

  624.         .num_ref_idx_l1_default_active_minus1 =

  625.             pps->num_ref_idx_l1_default_active_minus1,

  626. 

  627.         .slice_pic_parameter_set_id = pps->pps_pic_parameter_set_id,

  628. 

  629.         .pic_fields.bits = {

  630.             .sign_data_hiding_enabled_flag  = pps->sign_data_hiding_enabled_flag,

  631.             .constrained_intra_pred_flag    = pps->constrained_intra_pred_flag,

  632.             .transform_skip_enabled_flag    = pps->transform_skip_enabled_flag,

  633.             .cu_qp_delta_enabled_flag       = pps->cu_qp_delta_enabled_flag,

  634.             .weighted_pred_flag             = pps->weighted_pred_flag,

  635.             .weighted_bipred_flag           = pps->weighted_bipred_flag,

  636.             .transquant_bypass_enabled_flag = pps->transquant_bypass_enabled_flag,

  637.             .tiles_enabled_flag             = pps->tiles_enabled_flag,

  638.             .entropy_coding_sync_enabled_flag = pps->entropy_coding_sync_enabled_flag,

  639.             .loop_filter_across_tiles_enabled_flag =

  640.                 pps->loop_filter_across_tiles_enabled_flag,

  641.             .scaling_list_data_present_flag = (sps->sps_scaling_list_data_present_flag |

  642.                                                pps->pps_scaling_list_data_present_flag),

  643.             .screen_content_flag            = 0,

  644.             .enable_gpu_weighted_prediction = 0,

  645.             .no_output_of_prior_pics_flag   = 0,

  646.         },

  647.     };

  648. 

  649.     return 0;

  650. }

  651. 

  652. static int vaapi_encode_h265_init_picture_params(AVCodecContext *avctx,

  653.                                                  VAAPIEncodePicture *pic)

  654. {

  655.     VAAPIEncodeH265Context          *priv = avctx->priv_data;

  656.     VAEncPictureParameterBufferHEVC *vpic = pic->codec_picture_params;

  657.     int i;

  658. 

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

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

  661. 

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

  663. 

  664.         priv->slice_nal_unit = HEVC_NAL_IDR_W_RADL;

  665.         priv->slice_type     = HEVC_SLICE_I;

  666.         priv->pic_type       = 0;

  667.     } else {

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

  669. 

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

  671.             priv->slice_nal_unit = HEVC_NAL_CRA_NUT;

  672.             priv->slice_type     = HEVC_SLICE_I;

  673.             priv->pic_type       = 0;

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

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

  676.             priv->slice_nal_unit = HEVC_NAL_TRAIL_R;

  677.             priv->slice_type     = HEVC_SLICE_P;

  678.             priv->pic_type       = 1;

  679.         } else {

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

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

  682.                 priv->slice_nal_unit = HEVC_NAL_RASL_N;

  683.             else

  684.                 priv->slice_nal_unit = HEVC_NAL_TRAIL_N;

  685.             priv->slice_type = HEVC_SLICE_B;

  686.             priv->pic_type   = 2;

  687.         }

  688.     }

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

  690. 

  691.     if (priv->aud) {

  692.         priv->aud_needed = 1;

  693.         priv->raw_aud = (H265RawAUD) {

  694.             .nal_unit_header = {

  695.                 .nal_unit_type         = HEVC_NAL_AUD,

  696.                 .nuh_layer_id          = 0,

  697.                 .nuh_temporal_id_plus1 = 1,

  698.             },

  699.             .pic_type = priv->pic_type,

  700.         };

  701.     } else {

  702.         priv->aud_needed = 0;

  703.     }

  704. 

  705.     priv->sei_needed = 0;

  706. 

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

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

  709.     // changed on the input frame.

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

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

  712.         AVFrameSideData *sd =

  713.             av_frame_get_side_data(pic->input_image,

  714.                                    AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);

  715. 

  716.         if (sd) {

  717.             AVMasteringDisplayMetadata *mdm =

  718.                 (AVMasteringDisplayMetadata *)sd->data;

  719. 

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

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

  722.                 H265RawSEIMasteringDisplayColourVolume *mdcv =

  723.                     &priv->sei_mastering_display;

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

  725.                 const int chroma_den = 50000;

  726.                 const int luma_den   = 10000;

  727. 

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

  729.                     const int j = mapping[i];

  730.                     mdcv->display_primaries_x[i] =

  731.                         FFMIN(lrint(chroma_den *

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

  733.                               chroma_den);

  734.                     mdcv->display_primaries_y[i] =

  735.                         FFMIN(lrint(chroma_den *

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

  737.                               chroma_den);

  738.                 }

  739. 

  740.                 mdcv->white_point_x =

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

  742.                           chroma_den);

  743.                 mdcv->white_point_y =

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

  745.                           chroma_den);

  746. 

  747.                 mdcv->max_display_mastering_luminance =

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

  749.                 mdcv->min_display_mastering_luminance =

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

  751.                           mdcv->max_display_mastering_luminance);

  752. 

  753.                 priv->sei_needed |= SEI_MASTERING_DISPLAY;

  754.             }

  755.         }

  756.     }

  757. 

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

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

  760.         AVFrameSideData *sd =

  761.             av_frame_get_side_data(pic->input_image,

  762.                                    AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);

  763. 

  764.         if (sd) {

  765.             AVContentLightMetadata *clm =

  766.                 (AVContentLightMetadata *)sd->data;

  767.             H265RawSEIContentLightLevelInfo *clli =

  768.                 &priv->sei_content_light_level;

  769. 

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

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

  772. 

  773.             priv->sei_needed |= SEI_CONTENT_LIGHT_LEVEL;

  774.         }

  775.     }

  776. 

  777.     vpic->decoded_curr_pic = (VAPictureHEVC) {

  778.         .picture_id    = pic->recon_surface,

  779.         .pic_order_cnt = priv->pic_order_cnt,

  780.         .flags         = 0,

  781.     };

  782. 

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

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

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

  786. 

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

  788.             .picture_id    = ref->recon_surface,

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

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

  791.                       VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE : 0) |

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

  793.                       VA_PICTURE_HEVC_RPS_ST_CURR_AFTER  : 0),

  794.         };

  795.     }

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

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

  798.             .picture_id = VA_INVALID_ID,

  799.             .flags      = VA_PICTURE_HEVC_INVALID,

  800.         };

  801.     }

  802. 

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

  804. 

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

  806. 

  807.     switch (pic->type) {

  808.     case PICTURE_TYPE_IDR:

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

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

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

  812.         break;

  813.     case PICTURE_TYPE_I:

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

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

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

  817.         break;

  818.     case PICTURE_TYPE_P:

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

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

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

  822.         break;

  823.     case PICTURE_TYPE_B:

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

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

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

  827.         break;

  828.     default:

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

  830.     }

  831. 

  832.     pic->nb_slices = 1;

  833. 

  834.     return 0;

  835. }

  836. 

  837. static int vaapi_encode_h265_init_slice_params(AVCodecContext *avctx,

  838.                                                VAAPIEncodePicture *pic,

  839.                                                VAAPIEncodeSlice *slice)

  840. {

  841.     VAAPIEncodeContext                *ctx = avctx->priv_data;

  842.     VAAPIEncodeH265Context           *priv = avctx->priv_data;

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

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

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

  846.     VAEncPictureParameterBufferHEVC  *vpic = pic->codec_picture_params;

  847.     VAEncSliceParameterBufferHEVC  *vslice = slice->codec_slice_params;

  848.     int i;

  849. 

  850.     sh->nal_unit_header = (H265RawNALUnitHeader) {

  851.         .nal_unit_type         = priv->slice_nal_unit,

  852.         .nuh_layer_id          = 0,

  853.         .nuh_temporal_id_plus1 = 1,

  854.     };

  855. 

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

  857. 

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

  859.     sh->first_slice_segment_in_pic_flag = 1;

  860.     sh->slice_segment_address           = 0;

  861. 

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

  863. 

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

  865.         (1 << (sps->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1;

  866. 

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

  868.         H265RawSTRefPicSet *rps;

  869.         VAAPIEncodePicture *st;

  870.         int used;

  871. 

  872.         sh->short_term_ref_pic_set_sps_flag = 0;

  873. 

  874.         rps = &sh->short_term_ref_pic_set;

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

  876. 

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

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

  879.                 // Not yet in DPB.

  880.                 continue;

  881.             }

  882.             used = 0;

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

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

  885.                     used = 1;

  886.             }

  887.             if (!used) {

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

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

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

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

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

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

  894.                 VAAPIEncodePicture *rp;

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

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

  897.                         continue;

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

  899.                         continue;

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

  901.                         break;

  902.                 }

  903.                 if (!rp)

  904.                     continue;

  905.             }

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

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

  908.             // the current frame directly).

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

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

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

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

  913.                 ++rps->num_negative_pics;

  914.             } else {

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

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

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

  918.                 ++rps->num_positive_pics;

  919.             }

  920.         }

  921. 

  922.         sh->num_long_term_sps  = 0;

  923.         sh->num_long_term_pics = 0;

  924. 

  925.         sh->slice_temporal_mvp_enabled_flag =

  926.             sps->sps_temporal_mvp_enabled_flag;

  927.         if (sh->slice_temporal_mvp_enabled_flag) {

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

  929.             sh->collocated_ref_idx      = 0;

  930.         }

  931. 

  932.         sh->num_ref_idx_active_override_flag = 0;

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

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

  935.     }

  936. 

  937.     sh->slice_sao_luma_flag = sh->slice_sao_chroma_flag =

  938.         sps->sample_adaptive_offset_enabled_flag;

  939. 

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

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

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

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

  944.     else

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

  946. 

  947. 

  948.     *vslice = (VAEncSliceParameterBufferHEVC) {

  949.         .slice_segment_address = sh->slice_segment_address,

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

  951. 

  952.         .slice_type                 = sh->slice_type,

  953.         .slice_pic_parameter_set_id = sh->slice_pic_parameter_set_id,

  954. 

  955.         .num_ref_idx_l0_active_minus1 = sh->num_ref_idx_l0_active_minus1,

  956.         .num_ref_idx_l1_active_minus1 = sh->num_ref_idx_l1_active_minus1,

  957. 

  958.         .luma_log2_weight_denom         = sh->luma_log2_weight_denom,

  959.         .delta_chroma_log2_weight_denom = sh->delta_chroma_log2_weight_denom,

  960. 

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

  962. 

  963.         .slice_qp_delta     = sh->slice_qp_delta,

  964.         .slice_cb_qp_offset = sh->slice_cb_qp_offset,

  965.         .slice_cr_qp_offset = sh->slice_cr_qp_offset,

  966. 

  967.         .slice_beta_offset_div2 = sh->slice_beta_offset_div2,

  968.         .slice_tc_offset_div2   = sh->slice_tc_offset_div2,

  969. 

  970.         .slice_fields.bits = {

  971.             .last_slice_of_pic_flag       = 1,

  972.             .dependent_slice_segment_flag = sh->dependent_slice_segment_flag,

  973.             .colour_plane_id              = sh->colour_plane_id,

  974.             .slice_temporal_mvp_enabled_flag =

  975.                 sh->slice_temporal_mvp_enabled_flag,

  976.             .slice_sao_luma_flag          = sh->slice_sao_luma_flag,

  977.             .slice_sao_chroma_flag        = sh->slice_sao_chroma_flag,

  978.             .num_ref_idx_active_override_flag =

  979.                 sh->num_ref_idx_active_override_flag,

  980.             .mvd_l1_zero_flag             = sh->mvd_l1_zero_flag,

  981.             .cabac_init_flag              = sh->cabac_init_flag,

  982.             .slice_deblocking_filter_disabled_flag =

  983.                 sh->slice_deblocking_filter_disabled_flag,

  984.             .slice_loop_filter_across_slices_enabled_flag =

  985.                 sh->slice_loop_filter_across_slices_enabled_flag,

  986.             .collocated_from_l0_flag      = sh->collocated_from_l0_flag,

  987.         },

  988.     };

  989. 

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

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

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

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

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

  995.     }

  996. 

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

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

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

  1000.         av_assert0(pic->type == PICTURE_TYPE_P ||

  1001.                    pic->type == PICTURE_TYPE_B);

  1002.         vslice->ref_pic_list0[0] = vpic->reference_frames[0];

  1003.     }

  1004.     if (pic->nb_refs >= 2) {

  1005.         // Forward reference for B-frame.

  1006.         av_assert0(pic->type == PICTURE_TYPE_B);

  1007.         vslice->ref_pic_list1[0] = vpic->reference_frames[1];

  1008.     }

  1009. 

  1010.     return 0;

  1011. }

  1012. 

  1013. static av_cold int vaapi_encode_h265_configure(AVCodecContext *avctx)

  1014. {

  1015.     VAAPIEncodeContext      *ctx = avctx->priv_data;

  1016.     VAAPIEncodeH265Context *priv = avctx->priv_data;

  1017.     int err;

  1018. 

  1019.     err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_HEVC, avctx);

  1020.     if (err < 0)

  1021.         return err;

  1022. 

  1023.     priv->ctu_width     = FFALIGN(ctx->surface_width,  32) / 32;

  1024.     priv->ctu_height    = FFALIGN(ctx->surface_height, 32) / 32;

  1025. 

  1026.     av_log(avctx, AV_LOG_VERBOSE, "Input %ux%u -> Surface %ux%u -> CTU %ux%u.\n",

  1027.            avctx->width, avctx->height, ctx->surface_width,

  1028.            ctx->surface_height, priv->ctu_width, priv->ctu_height);

  1029. 

  1030.     if (ctx->va_rc_mode == VA_RC_CQP) {

  1031.         priv->fixed_qp_p = priv->qp;

  1032.         if (avctx->i_quant_factor > 0.0)

  1033.             priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor +

  1034.                                         avctx->i_quant_offset) + 0.5);

  1035.         else

  1036.             priv->fixed_qp_idr = priv->fixed_qp_p;

  1037.         if (avctx->b_quant_factor > 0.0)

  1038.             priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor +

  1039.                                       avctx->b_quant_offset) + 0.5);

  1040.         else

  1041.             priv->fixed_qp_b = priv->fixed_qp_p;

  1042. 

  1043.         av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "

  1044.                "%d / %d / %d for IDR- / P- / B-frames.\n",

  1045.                priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);

  1046. 

  1047.     } else if (ctx->va_rc_mode == VA_RC_CBR ||

  1048.                ctx->va_rc_mode == VA_RC_VBR) {

  1049.         // These still need to be  set for pic_init_qp/slice_qp_delta.

  1050.         priv->fixed_qp_idr = 30;

  1051.         priv->fixed_qp_p   = 30;

  1052.         priv->fixed_qp_b   = 30;

  1053. 

  1054.     } else {

  1055.         av_assert0(0 && "Invalid RC mode.");

  1056.     }

  1057. 

  1058.     return 0;

  1059. }

  1060. 

  1061. static const VAAPIEncodeProfile vaapi_encode_h265_profiles[] = {

  1062.     { FF_PROFILE_HEVC_MAIN,     8, 3, 1, 1, VAProfileHEVCMain       },

  1063.     { FF_PROFILE_HEVC_REXT,     8, 3, 1, 1, VAProfileHEVCMain       },

  1064. #if VA_CHECK_VERSION(0, 37, 0)

  1065.     { FF_PROFILE_HEVC_MAIN_10, 10, 3, 1, 1, VAProfileHEVCMain10     },

  1066.     { FF_PROFILE_HEVC_REXT,    10, 3, 1, 1, VAProfileHEVCMain10     },

  1067. #endif

  1068.     { FF_PROFILE_UNKNOWN }

  1069. };

  1070. 

  1071. static const VAAPIEncodeType vaapi_encode_type_h265 = {

  1072.     .profiles              = vaapi_encode_h265_profiles,

  1073. 

  1074.     .configure             = &vaapi_encode_h265_configure,

  1075. 

  1076.     .sequence_params_size  = sizeof(VAEncSequenceParameterBufferHEVC),

  1077.     .init_sequence_params  = &vaapi_encode_h265_init_sequence_params,

  1078. 

  1079.     .picture_params_size   = sizeof(VAEncPictureParameterBufferHEVC),

  1080.     .init_picture_params   = &vaapi_encode_h265_init_picture_params,

  1081. 

  1082.     .slice_params_size     = sizeof(VAEncSliceParameterBufferHEVC),

  1083.     .init_slice_params     = &vaapi_encode_h265_init_slice_params,

  1084. 

  1085.     .sequence_header_type  = VAEncPackedHeaderSequence,

  1086.     .write_sequence_header = &vaapi_encode_h265_write_sequence_header,

  1087. 

  1088.     .slice_header_type     = VAEncPackedHeaderHEVC_Slice,

  1089.     .write_slice_header    = &vaapi_encode_h265_write_slice_header,

  1090. 

  1091.     .write_extra_header    = &vaapi_encode_h265_write_extra_header,

  1092. };

  1093. 

  1094. static av_cold int vaapi_encode_h265_init(AVCodecContext *avctx)

  1095. {

  1096.     VAAPIEncodeContext      *ctx = avctx->priv_data;

  1097.     VAAPIEncodeH265Context *priv = avctx->priv_data;

  1098. 

  1099.     ctx->codec = &vaapi_encode_type_h265;

  1100. 

  1101.     if (avctx->profile == FF_PROFILE_UNKNOWN)

  1102.         avctx->profile = priv->profile;

  1103.     if (avctx->level == FF_LEVEL_UNKNOWN)

  1104.         avctx->level = priv->level;

  1105. 

  1106.     ctx->desired_packed_headers =

  1107.         VA_ENC_PACKED_HEADER_SEQUENCE | // VPS, SPS and PPS.

  1108.         VA_ENC_PACKED_HEADER_SLICE    | // Slice headers.

  1109.         VA_ENC_PACKED_HEADER_MISC;      // SEI

  1110. 

  1111.     ctx->surface_width  = FFALIGN(avctx->width,  16);

  1112.     ctx->surface_height = FFALIGN(avctx->height, 16);

  1113. 

  1114.     return ff_vaapi_encode_init(avctx);

  1115. }

  1116. 

  1117. static av_cold int vaapi_encode_h265_close(AVCodecContext *avctx)

  1118. {

  1119.     VAAPIEncodeH265Context *priv = avctx->priv_data;

  1120. 

  1121.     ff_cbs_close(&priv->cbc);

  1122. 

  1123.     return ff_vaapi_encode_close(avctx);

  1124. }

  1125. 

  1126. #define OFFSET(x) offsetof(VAAPIEncodeH265Context, x)

  1127. #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)

  1128. static const AVOption vaapi_encode_h265_options[] = {

  1129.     VAAPI_ENCODE_COMMON_OPTIONS,

  1130. 

  1131.     { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",

  1132.       OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, 52, FLAGS },

  1133. 

  1134.     { "aud", "Include AUD",

  1135.       OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },

  1136. 

  1137.     { "profile", "Set profile (general_profile_idc)",

  1138.       OFFSET(profile), AV_OPT_TYPE_INT,

  1139.       { .i64 = FF_PROFILE_UNKNOWN }, FF_PROFILE_UNKNOWN, 0xff, FLAGS, "profile" },

  1140. 

  1141. #define PROFILE(name, value)  name, NULL, 0, AV_OPT_TYPE_CONST, \

  1142.       { .i64 = value }, 0, 0, FLAGS, "profile"

  1143.     { PROFILE("main",               FF_PROFILE_HEVC_MAIN) },

  1144.     { PROFILE("main10",             FF_PROFILE_HEVC_MAIN_10) },

  1145.     { PROFILE("rext",               FF_PROFILE_HEVC_REXT) },

  1146. #undef PROFILE

  1147. 

  1148.     { "level", "Set level (general_level_idc)",

  1149.       OFFSET(level), AV_OPT_TYPE_INT,

  1150.       { .i64 = 153 }, 0x00, 0xff, FLAGS, "level" },

  1151. 

  1152. #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \

  1153.       { .i64 = value }, 0, 0, FLAGS, "level"

  1154.     { LEVEL("1",    30) },

  1155.     { LEVEL("2",    60) },

  1156.     { LEVEL("2.1",  63) },

  1157.     { LEVEL("3",    90) },

  1158.     { LEVEL("3.1",  93) },

  1159.     { LEVEL("4",   120) },

  1160.     { LEVEL("4.1", 123) },

  1161.     { LEVEL("5",   150) },

  1162.     { LEVEL("5.1", 153) },

  1163.     { LEVEL("5.2", 156) },

  1164.     { LEVEL("6",   180) },

  1165.     { LEVEL("6.1", 183) },

  1166.     { LEVEL("6.2", 186) },

  1167. #undef LEVEL

  1168. 

  1169.     { "sei", "Set SEI to include",

  1170.       OFFSET(sei), AV_OPT_TYPE_FLAGS,

  1171.       { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },

  1172.       0, INT_MAX, FLAGS, "sei" },

  1173.     { "hdr",

  1174.       "Include HDR metadata for mastering display colour volume "

  1175.       "and content light level information",

  1176.       0, AV_OPT_TYPE_CONST,

  1177.       { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },

  1178.       INT_MIN, INT_MAX, FLAGS, "sei" },

  1179. 

  1180.     { NULL },

  1181. };

  1182. 

  1183. static const AVCodecDefault vaapi_encode_h265_defaults[] = {

  1184.     { "b",              "0"   },

  1185.     { "bf",             "2"   },

  1186.     { "g",              "120" },

  1187.     { "i_qfactor",      "1"   },

  1188.     { "i_qoffset",      "0"   },

  1189.     { "b_qfactor",      "6/5" },

  1190.     { "b_qoffset",      "0"   },

  1191.     { "qmin",           "-1"  },

  1192.     { "qmax",           "-1"  },

  1193.     { NULL },

  1194. };

  1195. 

  1196. static const AVClass vaapi_encode_h265_class = {

  1197.     .class_name = "h265_vaapi",

  1198.     .item_name  = av_default_item_name,

  1199.     .option     = vaapi_encode_h265_options,

  1200.     .version    = LIBAVUTIL_VERSION_INT,

  1201. };

  1202. 

  1203. AVCodec ff_hevc_vaapi_encoder = {

  1204.     .name           = "hevc_vaapi",

  1205.     .long_name      = NULL_IF_CONFIG_SMALL("H.265/HEVC (VAAPI)"),

  1206.     .type           = AVMEDIA_TYPE_VIDEO,

  1207.     .id             = AV_CODEC_ID_HEVC,

  1208.     .priv_data_size = sizeof(VAAPIEncodeH265Context),

  1209.     .init           = &vaapi_encode_h265_init,

  1210.     .encode2        = &ff_vaapi_encode2,

  1211.     .close          = &vaapi_encode_h265_close,

  1212.     .priv_class     = &vaapi_encode_h265_class,

  1213.     .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,

  1214.     .defaults       = vaapi_encode_h265_defaults,

  1215.     .pix_fmts = (const enum AVPixelFormat[]) {

  1216.         AV_PIX_FMT_VAAPI,

  1217.         AV_PIX_FMT_NONE,

  1218.     },

  1219.     .wrapper_name   = "vaapi",

  1220. };