-

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 */