diff options
Diffstat (limited to 'tinyDAV/include/tinydav/codecs/h264/tdav_codec_h264_rtp.h')
| -rw-r--r-- | tinyDAV/include/tinydav/codecs/h264/tdav_codec_h264_rtp.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/tinyDAV/include/tinydav/codecs/h264/tdav_codec_h264_rtp.h b/tinyDAV/include/tinydav/codecs/h264/tdav_codec_h264_rtp.h new file mode 100644 index 0000000..83001b1 --- /dev/null +++ b/tinyDAV/include/tinydav/codecs/h264/tdav_codec_h264_rtp.h @@ -0,0 +1,123 @@ +/* +* Copyright (C) 2009-2010 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> + * + * @date Created: Sat Nov 8 16:54:58 2009 mdiop + */ +#ifndef TINYDAV_CODEC_H264_RTP_H +#define TINYDAV_CODEC_H264_RTP_H + +#include "tinydav_config.h" + +#if HAVE_FFMPEG && (!defined(HAVE_H264) || HAVE_H264) + +#include "tsk_common.h" + +TDAV_BEGIN_DECLS + +#if TDAV_UNDER_WINDOWS +# define H264_RTP_PAYLOAD_SIZE 1300 +#else +# define H264_RTP_PAYLOAD_SIZE 900 +#endif + +#define H264_START_CODE_PREFIX_SIZE 4 + +struct tdav_codec_h264_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_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); + +void tdav_codec_h264_rtp_callback(struct tdav_codec_h264_s *self, const void *data, tsk_size_t size, tsk_bool_t marker); + +TDAV_END_DECLS + +#endif /* HAVE_FFMPEG */ + +#endif /* TINYDAV_CODEC_H264_RTP_H */ |
