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/*
* Copyright (C) 2010-2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO 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.
*
* DOUBANGO 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 DOUBANGO.
*
*/
/**@file tdav_codec_h264_rtp.h
* @brief H.264 payloader/depayloder as per RFC 3984
*
* @author Mamadou Diop <diopmamadou(at)doubango.org>
*
*/
#ifndef TINYDAV_CODEC_H264_RTP_H
#define TINYDAV_CODEC_H264_RTP_H
#include "tinydav_config.h"
#include "tsk_common.h"
TDAV_BEGIN_DECLS
#if !defined(H264_RTP_PAYLOAD_SIZE)
# define H264_RTP_PAYLOAD_SIZE 1300
#endif
#define H264_START_CODE_PREFIX_SIZE 4
struct tdav_codec_h264_common_s;
extern uint8_t H264_START_CODE_PREFIX[4];
typedef enum profile_idc_e {
profile_idc_none = 0,
profile_idc_baseline = 66,
profile_idc_extended = 88,
profile_idc_main = 77,
profile_idc_high = 100
}
profile_idc_t;
typedef struct profile_iop_s {
unsigned constraint_set0_flag:1;
unsigned constraint_set1_flag:1;
unsigned constraint_set2_flag:1;
unsigned reserved_zero_5bits:5;
}
profile_iop_t;
typedef enum level_idc_e {
level_idc_none = 0,
level_idc_1_0 = 10,
level_idc_1_b = 14,
level_idc_1_1 = 11,
level_idc_1_2 = 12,
level_idc_1_3 = 13,
level_idc_2_0 = 20,
level_idc_2_1 = 21,
level_idc_2_2 = 22,
level_idc_3_0 = 30,
level_idc_3_1 = 31,
level_idc_3_2 = 32,
level_idc_4_0 = 40,
level_idc_4_1 = 41,
level_idc_4_2 = 42,
level_idc_5_0 = 50,
level_idc_5_1 = 51,
level_idc_5_2 = 52,
}
level_idc_t;
/* 5.2. Common Structure of the RTP Payload Format
Type Packet Type name Section
---------------------------------------------------------
0 undefined -
1-23 NAL unit Single NAL unit packet per H.264 5.6
24 STAP-A Single-time aggregation packet 5.7.1
25 STAP-B Single-time aggregation packet 5.7.1
26 MTAP16 Multi-time aggregation packet 5.7.2
27 MTAP24 Multi-time aggregation packet 5.7.2
28 FU-A Fragmentation unit 5.8
29 FU-B Fragmentation unit 5.8
30-31 undefined -
*/
typedef enum nal_unit_type_e{
undefined_0 = 0,
nal_unit,
stap_a = 24,
stap_b = 25,
mtap16 = 26,
mtap24 = 27,
fu_a = 28,
fu_b = 29,
undefined_30 = 30,
undefined_31 = 31
}
nal_unit_type_t;
int tdav_codec_h264_parse_profile(const char* profile_level_id, profile_idc_t *p_idc, profile_iop_t *p_iop, level_idc_t *l_idc);
int tdav_codec_h264_get_pay(const void* in_data, tsk_size_t in_size, const void** out_data, tsk_size_t *out_size, tsk_bool_t* append_scp, tsk_bool_t* end_of_unit);
void tdav_codec_h264_rtp_encap(struct tdav_codec_h264_common_s* self, const uint8_t* pdata, tsk_size_t size);
void tdav_codec_h264_rtp_callback(struct tdav_codec_h264_common_s *self, const void *data, tsk_size_t size, tsk_bool_t marker);
TDAV_END_DECLS
#endif /* TINYDAV_CODEC_H264_RTP_H */
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