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/******************************************************************************
Copyright (C) 2023 by Lain Bailey <lain@obsproject.com>
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
#pragma once
#include "obs-nal.h"
#ifdef __cplusplus
extern "C" {
#endif
struct encoder_packet;
enum {
OBS_NAL_UNKNOWN = 0,
OBS_NAL_SLICE = 1,
OBS_NAL_SLICE_DPA = 2,
OBS_NAL_SLICE_DPB = 3,
OBS_NAL_SLICE_DPC = 4,
OBS_NAL_SLICE_IDR = 5,
OBS_NAL_SEI = 6,
OBS_NAL_SPS = 7,
OBS_NAL_PPS = 8,
OBS_NAL_AUD = 9,
OBS_NAL_FILLER = 12,
};
/* Helpers for parsing AVC NAL units. */
EXPORT bool obs_avc_keyframe(const uint8_t *data, size_t size);
EXPORT const uint8_t *obs_avc_find_startcode(const uint8_t *p, const uint8_t *end);
EXPORT void obs_parse_avc_packet(struct encoder_packet *avc_packet, const struct encoder_packet *src);
EXPORT int obs_parse_avc_packet_priority(const struct encoder_packet *packet);
EXPORT size_t obs_parse_avc_header(uint8_t **header, const uint8_t *data, size_t size);
EXPORT void obs_extract_avc_headers(const uint8_t *packet, size_t size, uint8_t **new_packet_data,
size_t *new_packet_size, uint8_t **header_data, size_t *header_size,
uint8_t **sei_data, size_t *sei_size);
#ifdef __cplusplus
}
#endif