/******************************************************************************
    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 "util/c99defs.h"

#ifdef __cplusplus
extern "C" {
#endif

struct encoder_packet;

enum {
	OBS_HEVC_NAL_TRAIL_N = 0,
	OBS_HEVC_NAL_TRAIL_R = 1,
	OBS_HEVC_NAL_TSA_N = 2,
	OBS_HEVC_NAL_TSA_R = 3,
	OBS_HEVC_NAL_STSA_N = 4,
	OBS_HEVC_NAL_STSA_R = 5,
	OBS_HEVC_NAL_RADL_N = 6,
	OBS_HEVC_NAL_RADL_R = 7,
	OBS_HEVC_NAL_RASL_N = 8,
	OBS_HEVC_NAL_RASL_R = 9,
	OBS_HEVC_NAL_VCL_N10 = 10,
	OBS_HEVC_NAL_VCL_R11 = 11,
	OBS_HEVC_NAL_VCL_N12 = 12,
	OBS_HEVC_NAL_VCL_R13 = 13,
	OBS_HEVC_NAL_VCL_N14 = 14,
	OBS_HEVC_NAL_VCL_R15 = 15,
	OBS_HEVC_NAL_BLA_W_LP = 16,
	OBS_HEVC_NAL_BLA_W_RADL = 17,
	OBS_HEVC_NAL_BLA_N_LP = 18,
	OBS_HEVC_NAL_IDR_W_RADL = 19,
	OBS_HEVC_NAL_IDR_N_LP = 20,
	OBS_HEVC_NAL_CRA_NUT = 21,
	OBS_HEVC_NAL_RSV_IRAP_VCL22 = 22,
	OBS_HEVC_NAL_RSV_IRAP_VCL23 = 23,
	OBS_HEVC_NAL_RSV_VCL24 = 24,
	OBS_HEVC_NAL_RSV_VCL25 = 25,
	OBS_HEVC_NAL_RSV_VCL26 = 26,
	OBS_HEVC_NAL_RSV_VCL27 = 27,
	OBS_HEVC_NAL_RSV_VCL28 = 28,
	OBS_HEVC_NAL_RSV_VCL29 = 29,
	OBS_HEVC_NAL_RSV_VCL30 = 30,
	OBS_HEVC_NAL_RSV_VCL31 = 31,
	OBS_HEVC_NAL_VPS = 32,
	OBS_HEVC_NAL_SPS = 33,
	OBS_HEVC_NAL_PPS = 34,
	OBS_HEVC_NAL_AUD = 35,
	OBS_HEVC_NAL_EOS_NUT = 36,
	OBS_HEVC_NAL_EOB_NUT = 37,
	OBS_HEVC_NAL_FD_NUT = 38,
	OBS_HEVC_NAL_SEI_PREFIX = 39,
	OBS_HEVC_NAL_SEI_SUFFIX = 40,
};

EXPORT bool obs_hevc_keyframe(const uint8_t *data, size_t size);
EXPORT void obs_parse_hevc_packet(struct encoder_packet *hevc_packet,
				  const struct encoder_packet *src);
EXPORT int obs_parse_hevc_packet_priority(const struct encoder_packet *packet);
EXPORT void obs_extract_hevc_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