diff options
Diffstat (limited to 'tinyRTP/include/tinyrtp/rtp/trtp_rtp_header.h')
| -rw-r--r-- | tinyRTP/include/tinyrtp/rtp/trtp_rtp_header.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/tinyRTP/include/tinyrtp/rtp/trtp_rtp_header.h b/tinyRTP/include/tinyrtp/rtp/trtp_rtp_header.h new file mode 100644 index 0000000..15d177c --- /dev/null +++ b/tinyRTP/include/tinyrtp/rtp/trtp_rtp_header.h @@ -0,0 +1,85 @@ +/* +* Copyright (C) 2012 Doubango Telecom <http://www.doubango.org> +* +* 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 trtp_rtp_header.h + * @brief RTP header. + * + * @author Mamadou Diop <diopmamadou(at)doubango.org> + * + */ +#ifndef TINYRTP_RTP_HEADER_H +#define TINYRTP_RTP_HEADER_H + +#include "tinyrtp_config.h" +#include "tinymedia/tmedia_codec.h" +#include "tsk_buffer.h" + +TRTP_BEGIN_DECLS + +#define TRTP_RTP_HEADER_MIN_SIZE 12 +#define TRTP_RTP_HEADER(self) ((trtp_rtp_header_t*)(self)) + +typedef struct trtp_rtp_header_s +{ + TSK_DECLARE_OBJECT; + /* RFC 3550 section 5.1 - RTP Fixed Header Fields + 0 1 2 3 + 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + |V=2|P|X| CC |M| PT | sequence number | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | timestamp | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | synchronization source (SSRC) identifier | + +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ + | contributing source (CSRC) identifiers | + | .... | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + */ + unsigned version:2; + unsigned padding:1; + unsigned extension:1; + unsigned csrc_count:4; + unsigned marker:1; + unsigned payload_type:7; + uint16_t seq_num; + uint32_t timestamp; + uint32_t ssrc; + uint32_t csrc[15]; + + // for internal use + enum tmedia_codec_id_e codec_id; +} +trtp_rtp_header_t; + +TINYRTP_API trtp_rtp_header_t* trtp_rtp_header_create_null(); +TINYRTP_API trtp_rtp_header_t* trtp_rtp_header_create(uint32_t ssrc, uint16_t seq_num, uint32_t timestamp, uint8_t payload_type, tsk_bool_t marker); +TINYRTP_API tsk_size_t trtp_rtp_header_guess_serialbuff_size(const trtp_rtp_header_t *self); +TINYRTP_API tsk_size_t trtp_rtp_header_serialize_to(const trtp_rtp_header_t *self, void *buffer, tsk_size_t size); +TINYRTP_API tsk_buffer_t* trtp_rtp_header_serialize(const trtp_rtp_header_t *self); +TINYRTP_API trtp_rtp_header_t* trtp_rtp_header_deserialize(const void *data, tsk_size_t size); + + +TINYRTP_GEXTERN const tsk_object_def_t *trtp_rtp_header_def_t; + +TRTP_END_DECLS + +#endif /* TINYRTP_RTP_HEADER_H */ |
