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FFmpeg/libavcodec/vaapi_encode_h265.c

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/*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <va/va.h>
#include <va/va_enc_hevc.h>
#include "libavutil/avassert.h"
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/pixfmt.h"
#include "avcodec.h"
#include "hevc.h"
#include "internal.h"
#include "put_bits.h"
#include "vaapi_encode.h"
#include "vaapi_encode_h26x.h"
#define MAX_ST_REF_PIC_SETS 32
#define MAX_DPB_PICS 16
#define MAX_LAYERS 1
typedef struct VAAPIEncodeH265STRPS {
char inter_ref_pic_set_prediction_flag;
unsigned int num_negative_pics;
unsigned int num_positive_pics;
unsigned int delta_poc_s0_minus1[MAX_DPB_PICS];
char used_by_curr_pic_s0_flag[MAX_DPB_PICS];
unsigned int delta_poc_s1_minus1[MAX_DPB_PICS];
char used_by_curr_pic_s1_flag[MAX_DPB_PICS];
} VAAPIEncodeH265STRPS;
// This structure contains all possibly-useful per-sequence syntax elements
// which are not already contained in the various VAAPI structures.
typedef struct VAAPIEncodeH265MiscSequenceParams {
// Parameter set IDs.
unsigned int video_parameter_set_id;
unsigned int seq_parameter_set_id;
// Layering.
unsigned int vps_max_layers_minus1;
unsigned int vps_max_sub_layers_minus1;
char vps_temporal_id_nesting_flag;
unsigned int vps_max_layer_id;
unsigned int vps_num_layer_sets_minus1;
unsigned int sps_max_sub_layers_minus1;
char sps_temporal_id_nesting_flag;
char layer_id_included_flag[MAX_LAYERS][64];
// Profile/tier/level parameters.
char general_profile_compatibility_flag[32];
char general_progressive_source_flag;
char general_interlaced_source_flag;
char general_non_packed_constraint_flag;
char general_frame_only_constraint_flag;
char general_inbld_flag;
// Decode/display ordering parameters.
unsigned int log2_max_pic_order_cnt_lsb_minus4;
char vps_sub_layer_ordering_info_present_flag;
unsigned int vps_max_dec_pic_buffering_minus1[MAX_LAYERS];
unsigned int vps_max_num_reorder_pics[MAX_LAYERS];
unsigned int vps_max_latency_increase_plus1[MAX_LAYERS];
char sps_sub_layer_ordering_info_present_flag;
unsigned int sps_max_dec_pic_buffering_minus1[MAX_LAYERS];
unsigned int sps_max_num_reorder_pics[MAX_LAYERS];
unsigned int sps_max_latency_increase_plus1[MAX_LAYERS];
// Timing information.
char vps_timing_info_present_flag;
unsigned int vps_num_units_in_tick;
unsigned int vps_time_scale;
char vps_poc_proportional_to_timing_flag;
unsigned int vps_num_ticks_poc_diff_minus1;
// Cropping information.
char conformance_window_flag;
unsigned int conf_win_left_offset;
unsigned int conf_win_right_offset;
unsigned int conf_win_top_offset;
unsigned int conf_win_bottom_offset;
// Short-term reference picture sets.
unsigned int num_short_term_ref_pic_sets;
VAAPIEncodeH265STRPS st_ref_pic_set[MAX_ST_REF_PIC_SETS];
// Long-term reference pictures.
char long_term_ref_pics_present_flag;
unsigned int num_long_term_ref_pics_sps;
struct {
unsigned int lt_ref_pic_poc_lsb_sps;
char used_by_curr_pic_lt_sps_flag;
} lt_ref_pic;
// Deblocking filter control.
char deblocking_filter_control_present_flag;
char deblocking_filter_override_enabled_flag;
char pps_deblocking_filter_disabled_flag;
int pps_beta_offset_div2;
int pps_tc_offset_div2;
// Video Usability Information.
char vui_parameters_present_flag;
char aspect_ratio_info_present_flag;
unsigned int aspect_ratio_idc;
unsigned int sar_width;
unsigned int sar_height;
char video_signal_type_present_flag;
unsigned int video_format;
char video_full_range_flag;
char colour_description_present_flag;
unsigned int colour_primaries;
unsigned int transfer_characteristics;
unsigned int matrix_coeffs;
// Oddments.
char uniform_spacing_flag;
char output_flag_present_flag;
char cabac_init_present_flag;
unsigned int num_extra_slice_header_bits;
char lists_modification_present_flag;
char pps_slice_chroma_qp_offsets_present_flag;
char pps_slice_chroma_offset_list_enabled_flag;
} VAAPIEncodeH265MiscSequenceParams;
// This structure contains all possibly-useful per-slice syntax elements
// which are not already contained in the various VAAPI structures.
typedef struct VAAPIEncodeH265MiscSliceParams {
// Slice segments.
char first_slice_segment_in_pic_flag;
unsigned int slice_segment_address;
// Short-term reference picture sets.
char short_term_ref_pic_set_sps_flag;
unsigned int short_term_ref_pic_idx;
VAAPIEncodeH265STRPS st_ref_pic_set;
// Deblocking filter.
char deblocking_filter_override_flag;
// Oddments.
char slice_reserved_flag[8];
char no_output_of_prior_pics_flag;
char pic_output_flag;
} VAAPIEncodeH265MiscSliceParams;
typedef struct VAAPIEncodeH265Slice {
VAAPIEncodeH265MiscSliceParams misc_slice_params;
int64_t pic_order_cnt;
} VAAPIEncodeH265Slice;
typedef struct VAAPIEncodeH265Context {
VAAPIEncodeH265MiscSequenceParams misc_sequence_params;
unsigned int ctu_width;
unsigned int ctu_height;
int fixed_qp_idr;
int fixed_qp_p;
int fixed_qp_b;
int64_t last_idr_frame;
// Rate control configuration.
struct {
VAEncMiscParameterBuffer misc;
VAEncMiscParameterRateControl rc;
} rc_params;
struct {
VAEncMiscParameterBuffer misc;
VAEncMiscParameterHRD hrd;
} hrd_params;
} VAAPIEncodeH265Context;
typedef struct VAAPIEncodeH265Options {
int qp;
} VAAPIEncodeH265Options;
#define vseq_var(name) vseq->name, name
#define vseq_field(name) vseq->seq_fields.bits.name, name
#define vpic_var(name) vpic->name, name
#define vpic_field(name) vpic->pic_fields.bits.name, name
#define vslice_var(name) vslice->name, name
#define vslice_field(name) vslice->slice_fields.bits.name, name
#define mseq_var(name) mseq->name, name
#define mslice_var(name) mslice->name, name
#define mstrps_var(name) mstrps->name, name
static void vaapi_encode_h265_write_nal_unit_header(PutBitContext *pbc,
int nal_unit_type)
{
u(1, 0, forbidden_zero_bit);
u(6, nal_unit_type, nal_unit_type);
u(6, 0, nuh_layer_id);
u(3, 1, nuh_temporal_id_plus1);
}
static void vaapi_encode_h265_write_rbsp_trailing_bits(PutBitContext *pbc)
{
u(1, 1, rbsp_stop_one_bit);
while (put_bits_count(pbc) & 7)
u(1, 0, rbsp_alignment_zero_bit);
}
static void vaapi_encode_h265_write_profile_tier_level(PutBitContext *pbc,
VAAPIEncodeContext *ctx)
{
VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params;
VAAPIEncodeH265Context *priv = ctx->priv_data;
VAAPIEncodeH265MiscSequenceParams *mseq = &priv->misc_sequence_params;
int j;
if (1) {
u(2, 0, general_profile_space);
u(1, vseq_var(general_tier_flag));
u(5, vseq_var(general_profile_idc));
for (j = 0; j < 32; j++) {
u(1, mseq_var(general_profile_compatibility_flag[j]));
}
u(1, mseq_var(general_progressive_source_flag));
u(1, mseq_var(general_interlaced_source_flag));
u(1, mseq_var(general_non_packed_constraint_flag));
u(1, mseq_var(general_frame_only_constraint_flag));
if (0) {
// Not main profile.
// Lots of extra constraint flags.
} else {
// put_bits only handles up to 31 bits.
u(23, 0, general_reserved_zero_43bits);
u(20, 0, general_reserved_zero_43bits);
}
if (vseq->general_profile_idc >= 1 && vseq->general_profile_idc <= 5) {
u(1, mseq_var(general_inbld_flag));
} else {
u(1, 0, general_reserved_zero_bit);
}
}
u(8, vseq_var(general_level_idc));
// No sublayers.
}
static void vaapi_encode_h265_write_vps(PutBitContext *pbc,
VAAPIEncodeContext *ctx)
{
VAAPIEncodeH265Context *priv = ctx->priv_data;
VAAPIEncodeH265MiscSequenceParams *mseq = &priv->misc_sequence_params;
int i, j;
vaapi_encode_h265_write_nal_unit_header(pbc, NAL_VPS);
u(4, mseq->video_parameter_set_id, vps_video_parameter_set_id);
u(1, 1, vps_base_layer_internal_flag);
u(1, 1, vps_base_layer_available_flag);
u(6, mseq_var(vps_max_layers_minus1));
u(3, mseq_var(vps_max_sub_layers_minus1));
u(1, mseq_var(vps_temporal_id_nesting_flag));
u(16, 0xffff, vps_reserved_0xffff_16bits);
vaapi_encode_h265_write_profile_tier_level(pbc, ctx);
u(1, mseq_var(vps_sub_layer_ordering_info_present_flag));
for (i = (mseq->vps_sub_layer_ordering_info_present_flag ?
0 : mseq->vps_max_sub_layers_minus1);
i <= mseq->vps_max_sub_layers_minus1; i++) {
ue(mseq_var(vps_max_dec_pic_buffering_minus1[i]));
ue(mseq_var(vps_max_num_reorder_pics[i]));
ue(mseq_var(vps_max_latency_increase_plus1[i]));
}
u(6, mseq_var(vps_max_layer_id));
ue(mseq_var(vps_num_layer_sets_minus1));
for (i = 1; i <= mseq->vps_num_layer_sets_minus1; i++) {
for (j = 0; j < mseq->vps_max_layer_id; j++)
u(1, mseq_var(layer_id_included_flag[i][j]));
}
u(1, mseq_var(vps_timing_info_present_flag));
if (mseq->vps_timing_info_present_flag) {
u(1, 0, put_bits_hack_zero_bit);
u(31, mseq_var(vps_num_units_in_tick));
u(1, 0, put_bits_hack_zero_bit);
u(31, mseq_var(vps_time_scale));
u(1, mseq_var(vps_poc_proportional_to_timing_flag));
if (mseq->vps_poc_proportional_to_timing_flag) {
ue(mseq_var(vps_num_ticks_poc_diff_minus1));
}
ue(0, vps_num_hrd_parameters);
}
u(1, 0, vps_extension_flag);
vaapi_encode_h265_write_rbsp_trailing_bits(pbc);
}
static void vaapi_encode_h265_write_st_ref_pic_set(PutBitContext *pbc,
int st_rps_idx,
VAAPIEncodeH265STRPS *mstrps)
{
int i;
if (st_rps_idx != 0)
u(1, mstrps_var(inter_ref_pic_set_prediction_flag));
if (mstrps->inter_ref_pic_set_prediction_flag) {
av_assert0(0 && "inter ref pic set prediction not supported");
} else {
ue(mstrps_var(num_negative_pics));
ue(mstrps_var(num_positive_pics));
for (i = 0; i < mstrps->num_negative_pics; i++) {
ue(mstrps_var(delta_poc_s0_minus1[i]));
u(1, mstrps_var(used_by_curr_pic_s0_flag[i]));
}
for (i = 0; i < mstrps->num_positive_pics; i++) {
ue(mstrps_var(delta_poc_s1_minus1[i]));
u(1, mstrps_var(used_by_curr_pic_s1_flag[i]));
}
}
}
static void vaapi_encode_h265_write_vui_parameters(PutBitContext *pbc,
VAAPIEncodeContext *ctx)
{
VAAPIEncodeH265Context *priv = ctx->priv_data;
VAAPIEncodeH265MiscSequenceParams *mseq = &priv->misc_sequence_params;
u(1, mseq_var(aspect_ratio_info_present_flag));
if (mseq->aspect_ratio_info_present_flag) {
u(8, mseq_var(aspect_ratio_idc));
if (mseq->aspect_ratio_idc == 255) {
u(16, mseq_var(sar_width));
u(16, mseq_var(sar_height));
}
}
u(1, 0, overscan_info_present_flag);
u(1, mseq_var(video_signal_type_present_flag));
if (mseq->video_signal_type_present_flag) {
u(3, mseq_var(video_format));
u(1, mseq_var(video_full_range_flag));
u(1, mseq_var(colour_description_present_flag));
if (mseq->colour_description_present_flag) {
u(8, mseq_var(colour_primaries));
u(8, mseq_var(transfer_characteristics));
u(8, mseq_var(matrix_coeffs));
}
}
u(1, 0, chroma_loc_info_present_flag);
u(1, 0, neutral_chroma_indication_flag);
u(1, 0, field_seq_flag);
u(1, 0, frame_field_info_present_flag);
u(1, 0, default_display_window_flag);
u(1, 0, vui_timing_info_present_flag);
u(1, 0, bitstream_restriction_flag_flag);
}
static void vaapi_encode_h265_write_sps(PutBitContext *pbc,
VAAPIEncodeContext *ctx)
{
VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params;
VAAPIEncodeH265Context *priv = ctx->priv_data;
VAAPIEncodeH265MiscSequenceParams *mseq = &priv->misc_sequence_params;
int i;
vaapi_encode_h265_write_nal_unit_header(pbc, NAL_SPS);
u(4, mseq->video_parameter_set_id, sps_video_parameter_set_id);
u(3, mseq_var(sps_max_sub_layers_minus1));
u(1, mseq_var(sps_temporal_id_nesting_flag));
vaapi_encode_h265_write_profile_tier_level(pbc, ctx);
ue(mseq->seq_parameter_set_id, sps_seq_parameter_set_id);
ue(vseq_field(chroma_format_idc));
if (vseq->seq_fields.bits.chroma_format_idc == 3)
u(1, 0, separate_colour_plane_flag);
ue(vseq_var(pic_width_in_luma_samples));
ue(vseq_var(pic_height_in_luma_samples));
u(1, mseq_var(conformance_window_flag));
if (mseq->conformance_window_flag) {
ue(mseq_var(conf_win_left_offset));
ue(mseq_var(conf_win_right_offset));
ue(mseq_var(conf_win_top_offset));
ue(mseq_var(conf_win_bottom_offset));
}
ue(vseq_field(bit_depth_luma_minus8));
ue(vseq_field(bit_depth_chroma_minus8));
ue(mseq_var(log2_max_pic_order_cnt_lsb_minus4));
u(1, mseq_var(sps_sub_layer_ordering_info_present_flag));
for (i = (mseq->sps_sub_layer_ordering_info_present_flag ?
0 : mseq->sps_max_sub_layers_minus1);
i <= mseq->sps_max_sub_layers_minus1; i++) {
ue(mseq_var(sps_max_dec_pic_buffering_minus1[i]));
ue(mseq_var(sps_max_num_reorder_pics[i]));
ue(mseq_var(sps_max_latency_increase_plus1[i]));
}
ue(vseq_var(log2_min_luma_coding_block_size_minus3));
ue(vseq_var(log2_diff_max_min_luma_coding_block_size));
ue(vseq_var(log2_min_transform_block_size_minus2));
ue(vseq_var(log2_diff_max_min_transform_block_size));
ue(vseq_var(max_transform_hierarchy_depth_inter));
ue(vseq_var(max_transform_hierarchy_depth_intra));
u(1, vseq_field(scaling_list_enabled_flag));
if (vseq->seq_fields.bits.scaling_list_enabled_flag) {
u(1, 0, sps_scaling_list_data_present_flag);
}
u(1, vseq_field(amp_enabled_flag));
u(1, vseq_field(sample_adaptive_offset_enabled_flag));
u(1, vseq_field(pcm_enabled_flag));
if (vseq->seq_fields.bits.pcm_enabled_flag) {
u(4, vseq_var(pcm_sample_bit_depth_luma_minus1));
u(4, vseq_var(pcm_sample_bit_depth_chroma_minus1));
ue(vseq_var(log2_min_pcm_luma_coding_block_size_minus3));
ue(vseq->log2_max_pcm_luma_coding_block_size_minus3 -
vseq->log2_min_pcm_luma_coding_block_size_minus3,
log2_diff_max_min_pcm_luma_coding_block_size);
u(1, vseq_field(pcm_loop_filter_disabled_flag));
}
ue(mseq_var(num_short_term_ref_pic_sets));
for (i = 0; i < mseq->num_short_term_ref_pic_sets; i++)
vaapi_encode_h265_write_st_ref_pic_set(pbc, i,
&mseq->st_ref_pic_set[i]);
u(1, mseq_var(long_term_ref_pics_present_flag));
if (mseq->long_term_ref_pics_present_flag) {
ue(0, num_long_term_ref_pics_sps);
}
u(1, vseq_field(sps_temporal_mvp_enabled_flag));
u(1, vseq_field(strong_intra_smoothing_enabled_flag));
u(1, mseq_var(vui_parameters_present_flag));
if (mseq->vui_parameters_present_flag) {
vaapi_encode_h265_write_vui_parameters(pbc, ctx);
}
u(1, 0, sps_extension_present_flag);
vaapi_encode_h265_write_rbsp_trailing_bits(pbc);
}
static void vaapi_encode_h265_write_pps(PutBitContext *pbc,
VAAPIEncodeContext *ctx)
{
VAEncPictureParameterBufferHEVC *vpic = ctx->codec_picture_params;
VAAPIEncodeH265Context *priv = ctx->priv_data;
VAAPIEncodeH265MiscSequenceParams *mseq = &priv->misc_sequence_params;
int i;
vaapi_encode_h265_write_nal_unit_header(pbc, NAL_PPS);
ue(vpic->slice_pic_parameter_set_id, pps_pic_parameter_set_id);
ue(mseq->seq_parameter_set_id, pps_seq_parameter_set_id);
u(1, vpic_field(dependent_slice_segments_enabled_flag));
u(1, mseq_var(output_flag_present_flag));
u(3, mseq_var(num_extra_slice_header_bits));
u(1, vpic_field(sign_data_hiding_enabled_flag));
u(1, mseq_var(cabac_init_present_flag));
ue(vpic_var(num_ref_idx_l0_default_active_minus1));
ue(vpic_var(num_ref_idx_l1_default_active_minus1));
se(vpic->pic_init_qp - 26, init_qp_minus26);
u(1, vpic_field(constrained_intra_pred_flag));
u(1, vpic_field(transform_skip_enabled_flag));
u(1, vpic_field(cu_qp_delta_enabled_flag));
if (vpic->pic_fields.bits.cu_qp_delta_enabled_flag)
ue(vpic_var(diff_cu_qp_delta_depth));
se(vpic_var(pps_cb_qp_offset));
se(vpic_var(pps_cr_qp_offset));
u(1, mseq_var(pps_slice_chroma_qp_offsets_present_flag));
u(1, vpic_field(weighted_pred_flag));
u(1, vpic_field(weighted_bipred_flag));
u(1, vpic_field(transquant_bypass_enabled_flag));
u(1, vpic_field(tiles_enabled_flag));
u(1, vpic_field(entropy_coding_sync_enabled_flag));
if (vpic->pic_fields.bits.tiles_enabled_flag) {
ue(vpic_var(num_tile_columns_minus1));
ue(vpic_var(num_tile_rows_minus1));
u(1, mseq_var(uniform_spacing_flag));
if (!mseq->uniform_spacing_flag) {
for (i = 0; i < vpic->num_tile_columns_minus1; i++)
ue(vpic_var(column_width_minus1[i]));
for (i = 0; i < vpic->num_tile_rows_minus1; i++)
ue(vpic_var(row_height_minus1[i]));
}
u(1, vpic_field(loop_filter_across_tiles_enabled_flag));
}
u(1, vpic_field(pps_loop_filter_across_slices_enabled_flag));
u(1, mseq_var(deblocking_filter_control_present_flag));
if (mseq->deblocking_filter_control_present_flag) {
u(1, mseq_var(deblocking_filter_override_enabled_flag));
u(1, mseq_var(pps_deblocking_filter_disabled_flag));
if (!mseq->pps_deblocking_filter_disabled_flag) {
se(mseq_var(pps_beta_offset_div2));
se(mseq_var(pps_tc_offset_div2));
}
}
u(1, 0, pps_scaling_list_data_present_flag);
// No scaling list data.
u(1, mseq_var(lists_modification_present_flag));
ue(vpic_var(log2_parallel_merge_level_minus2));
u(1, 0, slice_segment_header_extension_present_flag);
u(1, 0, pps_extension_present_flag);
vaapi_encode_h265_write_rbsp_trailing_bits(pbc);
}
static void vaapi_encode_h265_write_slice_header2(PutBitContext *pbc,
VAAPIEncodeContext *ctx,
VAAPIEncodePicture *pic,
VAAPIEncodeSlice *slice)
{
VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params;
VAEncPictureParameterBufferHEVC *vpic = pic->codec_picture_params;
VAEncSliceParameterBufferHEVC *vslice = slice->codec_slice_params;
VAAPIEncodeH265Context *priv = ctx->priv_data;
VAAPIEncodeH265MiscSequenceParams *mseq = &priv->misc_sequence_params;
VAAPIEncodeH265Slice *pslice = slice->priv_data;
VAAPIEncodeH265MiscSliceParams *mslice = &pslice->misc_slice_params;
int i;
vaapi_encode_h265_write_nal_unit_header(pbc, vpic->nal_unit_type);
u(1, mslice_var(first_slice_segment_in_pic_flag));
if (vpic->nal_unit_type >= NAL_BLA_W_LP &&
vpic->nal_unit_type <= 23)
u(1, mslice_var(no_output_of_prior_pics_flag));
ue(vslice_var(slice_pic_parameter_set_id));
if (!mslice->first_slice_segment_in_pic_flag) {
if (vpic->pic_fields.bits.dependent_slice_segments_enabled_flag)
u(1, vslice_field(dependent_slice_segment_flag));
u(av_log2((priv->ctu_width * priv->ctu_height) - 1) + 1,
mslice_var(slice_segment_address));
}
if (!vslice->slice_fields.bits.dependent_slice_segment_flag) {
for (i = 0; i < mseq->num_extra_slice_header_bits; i++)
u(1, mslice_var(slice_reserved_flag[i]));
ue(vslice_var(slice_type));
if (mseq->output_flag_present_flag)
u(1, 1, pic_output_flag);
if (vseq->seq_fields.bits.separate_colour_plane_flag)
u(2, vslice_field(colour_plane_id));
if (vpic->nal_unit_type != NAL_IDR_W_RADL &&
vpic->nal_unit_type != NAL_IDR_N_LP) {
u(4 + mseq->log2_max_pic_order_cnt_lsb_minus4,
(pslice->pic_order_cnt &
((1 << (mseq->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1)),
slice_pic_order_cnt_lsb);
u(1, mslice_var(short_term_ref_pic_set_sps_flag));
if (!mslice->short_term_ref_pic_set_sps_flag) {
vaapi_encode_h265_write_st_ref_pic_set(pbc, mseq->num_short_term_ref_pic_sets,
&mslice->st_ref_pic_set);
} else if (mseq->num_short_term_ref_pic_sets > 1) {
u(av_log2(mseq->num_short_term_ref_pic_sets - 1) + 1,
mslice_var(short_term_ref_pic_idx));
}
if (mseq->long_term_ref_pics_present_flag) {
av_assert0(0);
}
if (vseq->seq_fields.bits.sps_temporal_mvp_enabled_flag) {
u(1, vslice_field(slice_temporal_mvp_enabled_flag));
}
if (vseq->seq_fields.bits.sample_adaptive_offset_enabled_flag) {
u(1, vslice_field(slice_sao_luma_flag));
if (!vseq->seq_fields.bits.separate_colour_plane_flag &&
vseq->seq_fields.bits.chroma_format_idc != 0) {
u(1, vslice_field(slice_sao_chroma_flag));
}
}
if (vslice->slice_type == P_SLICE || vslice->slice_type == B_SLICE) {
u(1, vslice_field(num_ref_idx_active_override_flag));
if (vslice->slice_fields.bits.num_ref_idx_active_override_flag) {
ue(vslice_var(num_ref_idx_l0_active_minus1));
if (vslice->slice_type == B_SLICE) {
ue(vslice_var(num_ref_idx_l1_active_minus1));
}
}
if (mseq->lists_modification_present_flag) {
av_assert0(0);
// ref_pic_lists_modification()
}
if (vslice->slice_type == B_SLICE) {
u(1, vslice_field(mvd_l1_zero_flag));
}
if (mseq->cabac_init_present_flag) {
u(1, vslice_field(cabac_init_flag));
}
if (vslice->slice_fields.bits.slice_temporal_mvp_enabled_flag) {
if (vslice->slice_type == B_SLICE)
u(1, vslice_field(collocated_from_l0_flag));
ue(vpic->collocated_ref_pic_index, collocated_ref_idx);
}
if ((vpic->pic_fields.bits.weighted_pred_flag &&
vslice->slice_type == P_SLICE) ||
(vpic->pic_fields.bits.weighted_bipred_flag &&
vslice->slice_type == B_SLICE)) {
av_assert0(0);
// pred_weight_table()
}
ue(5 - vslice->max_num_merge_cand, five_minus_max_num_merge_cand);
}
se(vslice_var(slice_qp_delta));
if (mseq->pps_slice_chroma_qp_offsets_present_flag) {
se(vslice_var(slice_cb_qp_offset));
se(vslice_var(slice_cr_qp_offset));
}
if (mseq->pps_slice_chroma_offset_list_enabled_flag) {
u(1, 0, cu_chroma_qp_offset_enabled_flag);
}
if (mseq->deblocking_filter_override_enabled_flag) {
u(1, mslice_var(deblocking_filter_override_flag));
}
if (mslice->deblocking_filter_override_flag) {
u(1, vslice_field(slice_deblocking_filter_disabled_flag));
if (!vslice->slice_fields.bits.slice_deblocking_filter_disabled_flag) {
se(vslice_var(slice_beta_offset_div2));
se(vslice_var(slice_tc_offset_div2));
}
}
if (vpic->pic_fields.bits.pps_loop_filter_across_slices_enabled_flag &&
(vslice->slice_fields.bits.slice_sao_luma_flag ||
vslice->slice_fields.bits.slice_sao_chroma_flag ||
vslice->slice_fields.bits.slice_deblocking_filter_disabled_flag)) {
u(1, vslice_field(slice_loop_filter_across_slices_enabled_flag));
}
}
if (vpic->pic_fields.bits.tiles_enabled_flag ||
vpic->pic_fields.bits.entropy_coding_sync_enabled_flag) {
// num_entry_point_offsets
}
if (0) {
// slice_segment_header_extension_length
}
}
u(1, 1, alignment_bit_equal_to_one);
while (put_bits_count(pbc) & 7)
u(1, 0, alignment_bit_equal_to_zero);
}
static int vaapi_encode_h265_write_sequence_header(AVCodecContext *avctx,
char *data, size_t *data_len)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
PutBitContext pbc;
char tmp[256];
int err;
size_t nal_len, bit_len, bit_pos, next_len;
bit_len = *data_len;
bit_pos = 0;
init_put_bits(&pbc, tmp, sizeof(tmp));
vaapi_encode_h265_write_vps(&pbc, ctx);
nal_len = put_bits_count(&pbc);
flush_put_bits(&pbc);
next_len = bit_len - bit_pos;
err = ff_vaapi_encode_h26x_nal_unit_to_byte_stream(data + bit_pos / 8,
&next_len,
tmp, nal_len);
if (err < 0)
return err;
bit_pos += next_len;
init_put_bits(&pbc, tmp, sizeof(tmp));
vaapi_encode_h265_write_sps(&pbc, ctx);
nal_len = put_bits_count(&pbc);
flush_put_bits(&pbc);
next_len = bit_len - bit_pos;
err = ff_vaapi_encode_h26x_nal_unit_to_byte_stream(data + bit_pos / 8,
&next_len,
tmp, nal_len);
if (err < 0)
return err;
bit_pos += next_len;
init_put_bits(&pbc, tmp, sizeof(tmp));
vaapi_encode_h265_write_pps(&pbc, ctx);
nal_len = put_bits_count(&pbc);
flush_put_bits(&pbc);
next_len = bit_len - bit_pos;
err = ff_vaapi_encode_h26x_nal_unit_to_byte_stream(data + bit_pos / 8,
&next_len,
tmp, nal_len);
if (err < 0)
return err;
bit_pos += next_len;
*data_len = bit_pos;
return 0;
}
static int vaapi_encode_h265_write_slice_header(AVCodecContext *avctx,
VAAPIEncodePicture *pic,
VAAPIEncodeSlice *slice,
char *data, size_t *data_len)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
PutBitContext pbc;
char tmp[256];
size_t header_len;
init_put_bits(&pbc, tmp, sizeof(tmp));
vaapi_encode_h265_write_slice_header2(&pbc, ctx, pic, slice);
header_len = put_bits_count(&pbc);
flush_put_bits(&pbc);
return ff_vaapi_encode_h26x_nal_unit_to_byte_stream(data, data_len,
tmp, header_len);
}
static int vaapi_encode_h265_init_sequence_params(AVCodecContext *avctx)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params;
VAEncPictureParameterBufferHEVC *vpic = ctx->codec_picture_params;
VAAPIEncodeH265Context *priv = ctx->priv_data;
VAAPIEncodeH265MiscSequenceParams *mseq = &priv->misc_sequence_params;
int i;
{
// general_profile_space == 0.
vseq->general_profile_idc = 1; // Main profile (ctx->codec_profile?)
vseq->general_tier_flag = 0;
vseq->general_level_idc = avctx->level * 3;
vseq->intra_period = 0;
vseq->intra_idr_period = 0;
vseq->ip_period = 0;
vseq->pic_width_in_luma_samples = ctx->aligned_width;
vseq->pic_height_in_luma_samples = ctx->aligned_height;
vseq->seq_fields.bits.chroma_format_idc = 1; // 4:2:0.
vseq->seq_fields.bits.separate_colour_plane_flag = 0;
vseq->seq_fields.bits.bit_depth_luma_minus8 = 0; // 8-bit luma.
vseq->seq_fields.bits.bit_depth_chroma_minus8 = 0; // 8-bit chroma.
// Other misc flags all zero.
// These have to come from the capabilities of the encoder. We have
// no way to query it, so just hardcode ones which worked for me...
// CTB size from 8x8 to 32x32.
vseq->log2_min_luma_coding_block_size_minus3 = 0;
vseq->log2_diff_max_min_luma_coding_block_size = 2;
// Transform size from 4x4 to 32x32.
vseq->log2_min_transform_block_size_minus2 = 0;
vseq->log2_diff_max_min_transform_block_size = 3;
// Full transform hierarchy allowed (2-5).
vseq->max_transform_hierarchy_depth_inter = 3;
vseq->max_transform_hierarchy_depth_intra = 3;
vseq->vui_parameters_present_flag = 0;
vseq->bits_per_second = avctx->bit_rate;
if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
vseq->vui_num_units_in_tick = avctx->framerate.num;
vseq->vui_time_scale = avctx->framerate.den;
} else {
vseq->vui_num_units_in_tick = avctx->time_base.num;
vseq->vui_time_scale = avctx->time_base.den;
}
vseq->intra_period = ctx->p_per_i * (ctx->b_per_p + 1);
vseq->intra_idr_period = vseq->intra_period;
vseq->ip_period = ctx->b_per_p + 1;
}
{
vpic->decoded_curr_pic.picture_id = VA_INVALID_ID;
vpic->decoded_curr_pic.flags = VA_PICTURE_HEVC_INVALID;
for (i = 0; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++) {
vpic->reference_frames[i].picture_id = VA_INVALID_ID;
vpic->reference_frames[i].flags = VA_PICTURE_HEVC_INVALID;
}
vpic->collocated_ref_pic_index = 0xff;
vpic->last_picture = 0;
vpic->pic_init_qp = priv->fixed_qp_idr;
vpic->diff_cu_qp_delta_depth = 0;
vpic->pps_cb_qp_offset = 0;
vpic->pps_cr_qp_offset = 0;
// tiles_enabled_flag == 0, so ignore num_tile_(rows|columns)_minus1.
vpic->log2_parallel_merge_level_minus2 = 0;
// No limit on size.
vpic->ctu_max_bitsize_allowed = 0;
vpic->num_ref_idx_l0_default_active_minus1 = 0;
vpic->num_ref_idx_l1_default_active_minus1 = 0;
vpic->slice_pic_parameter_set_id = 0;
vpic->pic_fields.bits.screen_content_flag = 0;
vpic->pic_fields.bits.enable_gpu_weighted_prediction = 0;
// Per-CU QP changes are required for non-constant-QP modes.
vpic->pic_fields.bits.cu_qp_delta_enabled_flag =
ctx->va_rc_mode != VA_RC_CQP;
}
{
mseq->video_parameter_set_id = 5;
mseq->seq_parameter_set_id = 5;
mseq->vps_max_layers_minus1 = 0;
mseq->vps_max_sub_layers_minus1 = 0;
mseq->vps_temporal_id_nesting_flag = 1;
mseq->sps_max_sub_layers_minus1 = 0;
mseq->sps_temporal_id_nesting_flag = 1;
for (i = 0; i < 32; i++) {
mseq->general_profile_compatibility_flag[i] =
(i == vseq->general_profile_idc);
}
mseq->general_progressive_source_flag = 1;
mseq->general_interlaced_source_flag = 0;
mseq->general_non_packed_constraint_flag = 0;
mseq->general_frame_only_constraint_flag = 1;
mseq->general_inbld_flag = 0;
mseq->log2_max_pic_order_cnt_lsb_minus4 = 8;
mseq->vps_sub_layer_ordering_info_present_flag = 0;
mseq->vps_max_dec_pic_buffering_minus1[0] = 1;
mseq->vps_max_num_reorder_pics[0] = ctx->b_per_p;
mseq->vps_max_latency_increase_plus1[0] = 0;
mseq->sps_sub_layer_ordering_info_present_flag = 0;
mseq->sps_max_dec_pic_buffering_minus1[0] = 1;
mseq->sps_max_num_reorder_pics[0] = ctx->b_per_p;
mseq->sps_max_latency_increase_plus1[0] = 0;
mseq->vps_timing_info_present_flag = 1;
mseq->vps_num_units_in_tick = avctx->time_base.num;
mseq->vps_time_scale = avctx->time_base.den;
mseq->vps_poc_proportional_to_timing_flag = 1;
mseq->vps_num_ticks_poc_diff_minus1 = 0;
if (ctx->input_width != ctx->aligned_width ||
ctx->input_height != ctx->aligned_height) {
mseq->conformance_window_flag = 1;
mseq->conf_win_left_offset = 0;
mseq->conf_win_right_offset =
(ctx->aligned_width - ctx->input_width) / 2;
mseq->conf_win_top_offset = 0;
mseq->conf_win_bottom_offset =
(ctx->aligned_height - ctx->input_height) / 2;
} else {
mseq->conformance_window_flag = 0;
}
mseq->num_short_term_ref_pic_sets = 0;
// STRPSs should ideally be here rather than repeated in each slice.
mseq->vui_parameters_present_flag = 1;
if (avctx->sample_aspect_ratio.num != 0) {
mseq->aspect_ratio_info_present_flag = 1;
if (avctx->sample_aspect_ratio.num ==
avctx->sample_aspect_ratio.den) {
mseq->aspect_ratio_idc = 1;
} else {
mseq->aspect_ratio_idc = 255; // Extended SAR.
mseq->sar_width = avctx->sample_aspect_ratio.num;
mseq->sar_height = avctx->sample_aspect_ratio.den;
}
}
if (1) {
// Should this be conditional on some of these being set?
mseq->video_signal_type_present_flag = 1;
mseq->video_format = 5; // Unspecified.
mseq->video_full_range_flag = 0;
mseq->colour_description_present_flag = 1;
mseq->colour_primaries = avctx->color_primaries;
mseq->transfer_characteristics = avctx->color_trc;
mseq->matrix_coeffs = avctx->colorspace;
}
}
return 0;
}
static int vaapi_encode_h265_init_picture_params(AVCodecContext *avctx,
VAAPIEncodePicture *pic)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
VAEncPictureParameterBufferHEVC *vpic = pic->codec_picture_params;
VAAPIEncodeH265Context *priv = ctx->priv_data;
int i;
if (pic->type == PICTURE_TYPE_IDR) {
av_assert0(pic->display_order == pic->encode_order);
priv->last_idr_frame = pic->display_order;
} else {
av_assert0(pic->encode_order > priv->last_idr_frame);
// Display order need not be if we have RA[SD]L pictures, though.
}
vpic->decoded_curr_pic.picture_id = pic->recon_surface;
vpic->decoded_curr_pic.pic_order_cnt =
pic->display_order - priv->last_idr_frame;
vpic->decoded_curr_pic.flags = 0;
for (i = 0; i < pic->nb_refs; i++) {
VAAPIEncodePicture *ref = pic->refs[i];
av_assert0(ref);
vpic->reference_frames[i].picture_id = ref->recon_surface;
vpic->reference_frames[i].pic_order_cnt =
ref->display_order - priv->last_idr_frame;
vpic->reference_frames[i].flags =
(ref->display_order < pic->display_order ?
VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE : 0) |
(ref->display_order > pic->display_order ?
VA_PICTURE_HEVC_RPS_ST_CURR_AFTER : 0);
}
for (; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++) {
vpic->reference_frames[i].picture_id = VA_INVALID_ID;
vpic->reference_frames[i].flags = VA_PICTURE_HEVC_INVALID;
}
vpic->coded_buf = pic->output_buffer;
switch (pic->type) {
case PICTURE_TYPE_IDR:
vpic->nal_unit_type = NAL_IDR_W_RADL;
vpic->pic_fields.bits.idr_pic_flag = 1;
vpic->pic_fields.bits.coding_type = 1;
vpic->pic_fields.bits.reference_pic_flag = 1;
break;
case PICTURE_TYPE_I:
vpic->nal_unit_type = NAL_TRAIL_R;
vpic->pic_fields.bits.idr_pic_flag = 0;
vpic->pic_fields.bits.coding_type = 1;
vpic->pic_fields.bits.reference_pic_flag = 1;
break;
case PICTURE_TYPE_P:
vpic->nal_unit_type = NAL_TRAIL_R;
vpic->pic_fields.bits.idr_pic_flag = 0;
vpic->pic_fields.bits.coding_type = 2;
vpic->pic_fields.bits.reference_pic_flag = 1;
break;
case PICTURE_TYPE_B:
vpic->nal_unit_type = NAL_TRAIL_R;
vpic->pic_fields.bits.idr_pic_flag = 0;
vpic->pic_fields.bits.coding_type = 3;
vpic->pic_fields.bits.reference_pic_flag = 0;
break;
default:
av_assert0(0 && "invalid picture type");
}
pic->nb_slices = 1;
return 0;
}
static int vaapi_encode_h265_init_slice_params(AVCodecContext *avctx,
VAAPIEncodePicture *pic,
VAAPIEncodeSlice *slice)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
VAEncPictureParameterBufferHEVC *vpic = pic->codec_picture_params;
VAEncSliceParameterBufferHEVC *vslice = slice->codec_slice_params;
VAAPIEncodeH265Context *priv = ctx->priv_data;
VAAPIEncodeH265Slice *pslice;
VAAPIEncodeH265MiscSliceParams *mslice;
int i;
slice->priv_data = av_mallocz(sizeof(*pslice));
if (!slice->priv_data)
return AVERROR(ENOMEM);
pslice = slice->priv_data;
mslice = &pslice->misc_slice_params;
// Currently we only support one slice per frame.
vslice->slice_segment_address = 0;
vslice->num_ctu_in_slice = priv->ctu_width * priv->ctu_height;
switch (pic->type) {
case PICTURE_TYPE_IDR:
case PICTURE_TYPE_I:
vslice->slice_type = I_SLICE;
break;
case PICTURE_TYPE_P:
vslice->slice_type = P_SLICE;
break;
case PICTURE_TYPE_B:
vslice->slice_type = B_SLICE;
break;
default:
av_assert0(0 && "invalid picture type");
}
vslice->slice_pic_parameter_set_id = vpic->slice_pic_parameter_set_id;
pslice->pic_order_cnt = pic->display_order - priv->last_idr_frame;
for (i = 0; i < FF_ARRAY_ELEMS(vslice->ref_pic_list0); i++) {
vslice->ref_pic_list0[i].picture_id = VA_INVALID_ID;
vslice->ref_pic_list0[i].flags = VA_PICTURE_HEVC_INVALID;
vslice->ref_pic_list1[i].picture_id = VA_INVALID_ID;
vslice->ref_pic_list1[i].flags = VA_PICTURE_HEVC_INVALID;
}
av_assert0(pic->nb_refs <= 2);
if (pic->nb_refs >= 1) {
// Backward reference for P- or B-frame.
av_assert0(pic->type == PICTURE_TYPE_P ||
pic->type == PICTURE_TYPE_B);
vslice->num_ref_idx_l0_active_minus1 = 0;
vslice->ref_pic_list0[0] = vpic->reference_frames[0];
}
if (pic->nb_refs >= 2) {
// Forward reference for B-frame.
av_assert0(pic->type == PICTURE_TYPE_B);
vslice->num_ref_idx_l1_active_minus1 = 0;
vslice->ref_pic_list1[0] = vpic->reference_frames[1];
}
vslice->max_num_merge_cand = 5;
if (pic->type == PICTURE_TYPE_B)
vslice->slice_qp_delta = priv->fixed_qp_b - vpic->pic_init_qp;
else if (pic->type == PICTURE_TYPE_P)
vslice->slice_qp_delta = priv->fixed_qp_p - vpic->pic_init_qp;
else
vslice->slice_qp_delta = priv->fixed_qp_idr - vpic->pic_init_qp;
vslice->slice_fields.bits.last_slice_of_pic_flag = 1;
mslice->first_slice_segment_in_pic_flag = 1;
if (pic->type == PICTURE_TYPE_IDR) {
// No reference pictures.
} else if (0) {
mslice->short_term_ref_pic_set_sps_flag = 1;
mslice->short_term_ref_pic_idx = 0;
} else {
VAAPIEncodePicture *st;
int used;
mslice->short_term_ref_pic_set_sps_flag = 0;
mslice->st_ref_pic_set.inter_ref_pic_set_prediction_flag = 0;
for (st = ctx->pic_start; st; st = st->next) {
if (st->encode_order >= pic->encode_order) {
// Not yet in DPB.
continue;
}
used = 0;
for (i = 0; i < pic->nb_refs; i++) {
if (pic->refs[i] == st)
used = 1;
}
if (!used) {
// Currently true, but need not be.
continue;
}
// This only works for one instance of each (delta_poc_sN_minus1
// is relative to the previous frame in the list, not relative to
// the current frame directly).
if (st->display_order < pic->display_order) {
i = mslice->st_ref_pic_set.num_negative_pics;
mslice->st_ref_pic_set.delta_poc_s0_minus1[i] =
pic->display_order - st->display_order - 1;
mslice->st_ref_pic_set.used_by_curr_pic_s0_flag[i] = used;
++mslice->st_ref_pic_set.num_negative_pics;
} else {
i = mslice->st_ref_pic_set.num_positive_pics;
mslice->st_ref_pic_set.delta_poc_s1_minus1[i] =
st->display_order - pic->display_order - 1;
mslice->st_ref_pic_set.used_by_curr_pic_s1_flag[i] = used;
++mslice->st_ref_pic_set.num_positive_pics;
}
}
}
return 0;
}
static av_cold int vaapi_encode_h265_init_constant_bitrate(AVCodecContext *avctx)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
VAAPIEncodeH265Context *priv = ctx->priv_data;
int hrd_buffer_size;
int hrd_initial_buffer_fullness;
if (avctx->rc_buffer_size)
hrd_buffer_size = avctx->rc_buffer_size;
else
hrd_buffer_size = avctx->bit_rate;
if (avctx->rc_initial_buffer_occupancy)
hrd_initial_buffer_fullness = avctx->rc_initial_buffer_occupancy;
else
hrd_initial_buffer_fullness = hrd_buffer_size * 3 / 4;
priv->rc_params.misc.type = VAEncMiscParameterTypeRateControl;
priv->rc_params.rc = (VAEncMiscParameterRateControl) {
.bits_per_second = avctx->bit_rate,
.target_percentage = 66,
.window_size = 1000,
.initial_qp = (avctx->qmax >= 0 ? avctx->qmax : 40),
.min_qp = (avctx->qmin >= 0 ? avctx->qmin : 20),
.basic_unit_size = 0,
};
ctx->global_params[ctx->nb_global_params] =
&priv->rc_params.misc;
ctx->global_params_size[ctx->nb_global_params++] =
sizeof(priv->rc_params);
priv->hrd_params.misc.type = VAEncMiscParameterTypeHRD;
priv->hrd_params.hrd = (VAEncMiscParameterHRD) {
.initial_buffer_fullness = hrd_initial_buffer_fullness,
.buffer_size = hrd_buffer_size,
};
ctx->global_params[ctx->nb_global_params] =
&priv->hrd_params.misc;
ctx->global_params_size[ctx->nb_global_params++] =
sizeof(priv->hrd_params);
// These still need to be set for pic_init_qp/slice_qp_delta.
priv->fixed_qp_idr = 30;
priv->fixed_qp_p = 30;
priv->fixed_qp_b = 30;
av_log(avctx, AV_LOG_DEBUG, "Using constant-bitrate = %d bps.\n",
avctx->bit_rate);
return 0;
}
static av_cold int vaapi_encode_h265_init_fixed_qp(AVCodecContext *avctx)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
VAAPIEncodeH265Context *priv = ctx->priv_data;
VAAPIEncodeH265Options *opt = ctx->codec_options;
priv->fixed_qp_p = opt->qp;
if (avctx->i_quant_factor > 0.0)
priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor +
avctx->i_quant_offset) + 0.5);
else
priv->fixed_qp_idr = priv->fixed_qp_p;
if (avctx->b_quant_factor > 0.0)
priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor +
avctx->b_quant_offset) + 0.5);
else
priv->fixed_qp_b = priv->fixed_qp_p;
av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "
"%d / %d / %d for IDR- / P- / B-frames.\n",
priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
return 0;
}
static av_cold int vaapi_encode_h265_init_internal(AVCodecContext *avctx)
{
static const VAConfigAttrib default_config_attributes[] = {
{ .type = VAConfigAttribRTFormat,
.value = VA_RT_FORMAT_YUV420 },
{ .type = VAConfigAttribEncPackedHeaders,
.value = (VA_ENC_PACKED_HEADER_SEQUENCE |
VA_ENC_PACKED_HEADER_SLICE) },
};
VAAPIEncodeContext *ctx = avctx->priv_data;
VAAPIEncodeH265Context *priv = ctx->priv_data;
int i, err;
switch (avctx->profile) {
case FF_PROFILE_HEVC_MAIN:
case FF_PROFILE_UNKNOWN:
ctx->va_profile = VAProfileHEVCMain;
break;
case FF_PROFILE_HEVC_MAIN_10:
av_log(avctx, AV_LOG_ERROR, "H.265 main 10-bit profile "
"is not supported.\n");
return AVERROR_PATCHWELCOME;
default:
av_log(avctx, AV_LOG_ERROR, "Unknown H.265 profile %d.\n",
avctx->profile);
return AVERROR(EINVAL);
}
ctx->va_entrypoint = VAEntrypointEncSlice;
ctx->input_width = avctx->width;
ctx->input_height = avctx->height;
ctx->aligned_width = FFALIGN(ctx->input_width, 16);
ctx->aligned_height = FFALIGN(ctx->input_height, 16);
priv->ctu_width = FFALIGN(ctx->aligned_width, 32) / 32;
priv->ctu_height = FFALIGN(ctx->aligned_height, 32) / 32;
av_log(avctx, AV_LOG_VERBOSE, "Input %ux%u -> Aligned %ux%u -> CTU %ux%u.\n",
ctx->input_width, ctx->input_height, ctx->aligned_width,
ctx->aligned_height, priv->ctu_width, priv->ctu_height);
for (i = 0; i < FF_ARRAY_ELEMS(default_config_attributes); i++) {
ctx->config_attributes[ctx->nb_config_attributes++] =
default_config_attributes[i];
}
if (avctx->bit_rate > 0) {
ctx->va_rc_mode = VA_RC_CBR;
err = vaapi_encode_h265_init_constant_bitrate(avctx);
} else {
ctx->va_rc_mode = VA_RC_CQP;
err = vaapi_encode_h265_init_fixed_qp(avctx);
}
if (err < 0)
return err;
ctx->config_attributes[ctx->nb_config_attributes++] = (VAConfigAttrib) {
.type = VAConfigAttribRateControl,
.value = ctx->va_rc_mode,
};
ctx->nb_recon_frames = 20;
return 0;
}
static VAAPIEncodeType vaapi_encode_type_h265 = {
.priv_data_size = sizeof(VAAPIEncodeH265Context),
.init = &vaapi_encode_h265_init_internal,
.sequence_params_size = sizeof(VAEncSequenceParameterBufferHEVC),
.init_sequence_params = &vaapi_encode_h265_init_sequence_params,
.picture_params_size = sizeof(VAEncPictureParameterBufferHEVC),
.init_picture_params = &vaapi_encode_h265_init_picture_params,
.slice_params_size = sizeof(VAEncSliceParameterBufferHEVC),
.init_slice_params = &vaapi_encode_h265_init_slice_params,
.sequence_header_type = VAEncPackedHeaderSequence,
.write_sequence_header = &vaapi_encode_h265_write_sequence_header,
.slice_header_type = VAEncPackedHeaderHEVC_Slice,
.write_slice_header = &vaapi_encode_h265_write_slice_header,
};
static av_cold int vaapi_encode_h265_init(AVCodecContext *avctx)
{
return ff_vaapi_encode_init(avctx, &vaapi_encode_type_h265);
}
#define OFFSET(x) (offsetof(VAAPIEncodeContext, codec_options_data) + \
offsetof(VAAPIEncodeH265Options, x))
#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
static const AVOption vaapi_encode_h265_options[] = {
{ "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, 52, FLAGS },
{ NULL },
};
static const AVCodecDefault vaapi_encode_h265_defaults[] = {
{ "profile", "1" },
{ "level", "51" },
{ "b", "0" },
{ "bf", "2" },
{ "g", "120" },
{ "i_qfactor", "1.0" },
{ "i_qoffset", "0.0" },
{ "b_qfactor", "1.2" },
{ "b_qoffset", "0.0" },
{ NULL },
};
static const AVClass vaapi_encode_h265_class = {
.class_name = "h265_vaapi",
.item_name = av_default_item_name,
.option = vaapi_encode_h265_options,
.version = LIBAVUTIL_VERSION_INT,
};
AVCodec ff_hevc_vaapi_encoder = {
.name = "hevc_vaapi",
.long_name = NULL_IF_CONFIG_SMALL("H.265/HEVC (VAAPI)"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_HEVC,
.priv_data_size = (sizeof(VAAPIEncodeContext) +
sizeof(VAAPIEncodeH265Options)),
.init = &vaapi_encode_h265_init,
.encode2 = &ff_vaapi_encode2,
.close = &ff_vaapi_encode_close,
.priv_class = &vaapi_encode_h265_class,
.capabilities = AV_CODEC_CAP_DELAY,
.defaults = vaapi_encode_h265_defaults,
.pix_fmts = (const enum AVPixelFormat[]) {
AV_PIX_FMT_VAAPI,
AV_PIX_FMT_NONE,
},
};
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