From 60f60cc76e43197a0825ffac9aff0b7007a94175 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Wed, 20 Nov 2013 12:57:17 +0100
Subject: Framework API now complete in its first iteration. So far with
 support for raw, opus and amrwb.

---
 src/rtp.h | 116 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 src/rtp.h

(limited to 'src/rtp.h')

diff --git a/src/rtp.h b/src/rtp.h
new file mode 100644
index 0000000..b7aa8b4
--- /dev/null
+++ b/src/rtp.h
@@ -0,0 +1,116 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set et sw=2 ts=2: */
+/***************************************************************************
+ *            rtp.h
+ *
+ *  Mon Sep  2 15:24:09 CEST 2013
+ *  Copyright 2013 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of lrtp.
+ *
+ * lrtp is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * lrtp 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with lrtp; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#ifndef __LRTP_RTP_H__
+#define __LRTP_RTP_H__
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <list>
+
+typedef struct {
+  uint16_t cc:4;	    // CSRC count
+  uint16_t x:1;	      // Header extension flag
+  uint16_t p:1;	      // Padding flag
+  uint16_t version:2; // Protocol version
+
+  uint16_t m:1;	      // Marker bit
+  uint16_t pt:7;	    // Payload type
+
+  uint16_t seq;		    // Sequence number
+
+  uint32_t ts;		    // Timestamp
+  uint32_t ssrc;	    // Synchronization source
+} rtp_header_t;
+
+#define MAX_RTP_PACKET_SIZE (16 * 1024)
+#define MAX_RTP_PAYLOAD_SIZE ( MAX_RTP_PACKET_SIZE - sizeof(rtp_header_t) )
+
+typedef struct {
+  rtp_header_t header;
+  char body[MAX_RTP_PAYLOAD_SIZE];
+} rtp_t;
+
+typedef unsigned int csrc_t;
+
+class RTP {
+public:
+  RTP();
+
+  /* // Not implemented
+  void setHeaderExtension();
+  int headerExtension();
+  */
+
+  void setPadding(unsigned char padding);
+  unsigned char padding() const;
+
+  void setPayloadType(unsigned char pt);
+  unsigned char payloadType() const;
+
+  void setMarker(bool bit);
+  bool marker() const;
+
+  void setSeq(uint16_t seq);
+  uint16_t seq() const;
+
+  void setTimestamp(uint32_t seq);
+  uint32_t timestamp() const;
+
+  void setSSrc(uint32_t ssrc);
+  uint32_t SSrc() const;
+
+  void addCSrc(csrc_t csrc);
+  std::list<csrc_t> getCSrcs() const;
+  void removeCSrc(csrc_t csrc);
+  void clearCSrcs();
+
+  void setPayload(const char *payload, size_t size);
+  size_t payload(char *payload, size_t maxsize) const;
+  size_t payloadSize() const;
+  const char *payloadData() const;
+
+  size_t packet(char *packet, size_t maxsize) const;
+  void fromPacket(const char *packet, size_t size);
+
+  bool isValid();
+  void setValid(bool valid);
+
+private:  
+  std::list<csrc_t> csrcs;
+
+  rtp_header_t header;
+
+  unsigned char pads;
+
+  char pload[MAX_RTP_PAYLOAD_SIZE];
+  size_t pload_size;
+
+  bool is_valid;
+};
+
+#endif/*__LRTP_RTP_H__*/
-- 
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