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/*
* Copyright (C) 2023 Mikhail Burakov. This file is part of streamer.
*
* streamer is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* streamer 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with streamer. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef STREAMER_HEVC_H_
#define STREAMER_HEVC_H_
#include <stdbool.h>
#include <va/va.h>
// Table 7-1
enum NalUnitType {
TRAIL_R = 1,
BLA_W_LP = 16,
IDR_W_RADL = 19,
IDR_N_LP = 20,
RSV_IRAP_VCL23 = 23,
VPS_NUT = 32,
SPS_NUT = 33,
PPS_NUT = 34,
};
// Table 7-7
enum SliceType {
B = 0,
P = 1,
I = 2,
};
struct Bitstream;
struct MoreVideoParameters {
uint32_t vps_max_dec_pic_buffering_minus1;
uint32_t vps_max_num_reorder_pics;
};
struct MoreSeqParameters {
uint32_t conf_win_left_offset;
uint32_t conf_win_right_offset;
uint32_t conf_win_top_offset;
uint32_t conf_win_bottom_offset;
uint32_t sps_max_dec_pic_buffering_minus1;
uint32_t sps_max_num_reorder_pics;
bool video_signal_type_present_flag;
bool video_full_range_flag;
bool colour_description_present_flag;
uint8_t colour_primaries;
uint8_t transfer_characteristics;
uint8_t matrix_coeffs;
bool chroma_loc_info_present_flag;
uint32_t chroma_sample_loc_type_top_field;
uint32_t chroma_sample_loc_type_bottom_field;
};
struct MoreSliceParamerters {
bool first_slice_segment_in_pic_flag;
// TODO(mburakov): Deduce from picture parameter buffer?
uint32_t num_negative_pics;
uint32_t num_positive_pics;
struct NegativePics {
uint32_t delta_poc_s0_minus1;
bool used_by_curr_pic_s0_flag;
} const* negative_pics;
struct PositivePics {
uint32_t delta_poc_s1_minus1;
bool used_by_curr_pic_s1_flag;
} const* positive_pics;
};
void PackVideoParameterSetNalUnit(struct Bitstream* bitstream,
const VAEncSequenceParameterBufferHEVC* seq,
const struct MoreVideoParameters* mvp);
void PackSeqParameterSetNalUnit(struct Bitstream* bitstream,
const VAEncSequenceParameterBufferHEVC* seq,
const struct MoreSeqParameters* msp);
void PackPicParameterSetNalUnit(struct Bitstream* bitstream,
const VAEncPictureParameterBufferHEVC* pic);
void PackSliceSegmentHeaderNalUnit(struct Bitstream* bitstream,
const VAEncSequenceParameterBufferHEVC* seq,
const VAEncPictureParameterBufferHEVC* pic,
const VAEncSliceParameterBufferHEVC* slice,
const struct MoreSliceParamerters* msp);
#endif // STREAMER_HEVC_H_
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