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+/*
+
+ This file is a part of JRTPLIB
+ Copyright (c) 1999-2007 Jori Liesenborgs
+
+ Contact: jori.liesenborgs@gmail.com
+
+ This library was developed at the "Expertisecentrum Digitale Media"
+ (http://www.edm.uhasselt.be), a research center of the Hasselt University
+ (http://www.uhasselt.be). The library is based upon work done for
+ my thesis at the School for Knowledge Technology (Belgium/The Netherlands).
+
+ Permission is hereby granted, free of charge, to any person obtaining a
+ copy of this software and associated documentation files (the "Software"),
+ to deal in the Software without restriction, including without limitation
+ the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ and/or sell copies of the Software, and to permit persons to whom the
+ Software is furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included
+ in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ IN THE SOFTWARE.
+
+*/
+
+/**
+ * \file rtcpapppacket.h
+ */
+
+#ifndef RTCPAPPPACKET_H
+
+#define RTCPAPPPACKET_H
+
+#include "rtpconfig.h"
+#include "rtcppacket.h"
+#include "rtpstructs.h"
+#if ! (defined(WIN32) || defined(_WIN32_WCE))
+ #include <netinet/in.h>
+#endif // WIN32
+
+class RTCPCompoundPacket;
+
+/** Describes an RTCP APP packet. */
+class RTCPAPPPacket : public RTCPPacket
+{
+public:
+ /** Creates an instance based on the data in \c data with length \c datalen.
+ * Creates an instance based on the data in \c data with length \c datalen. Since the \c data pointer
+ * is referenced inside the class (no copy of the data is made) one must make sure that the memory it
+ * points to is valid as long as the class instance exists.
+ */
+ RTCPAPPPacket(uint8_t *data,size_t datalen);
+ ~RTCPAPPPacket() { }
+
+ /** Returns the subtype contained in the APP packet. */
+ uint8_t GetSubType() const;
+
+ /** Returns the SSRC of the source which sent this packet. */
+ uint32_t GetSSRC() const;
+
+ /** Returns the name contained in the APP packet.
+ * Returns the name contained in the APP packet. This alway consists of four bytes and is not NULL-terminated.
+ */
+ uint8_t *GetName();
+
+ /** Returns a pointer to the actual data. */
+ uint8_t *GetAPPData();
+
+ /** Returns the length of the actual data. */
+ size_t GetAPPDataLength() const;
+#ifdef RTPDEBUG
+ void Dump();
+#endif // RTPDEBUG
+private:
+ size_t appdatalen;
+};
+
+inline uint8_t RTCPAPPPacket::GetSubType() const
+{
+ if (!knownformat)
+ return 0;
+ RTCPCommonHeader *hdr = (RTCPCommonHeader *)data;
+ return hdr->count;
+}
+
+inline uint32_t RTCPAPPPacket::GetSSRC() const
+{
+ if (!knownformat)
+ return 0;
+
+ uint32_t *ssrc = (uint32_t *)(data+sizeof(RTCPCommonHeader));
+ return ntohl(*ssrc);
+}
+
+inline uint8_t *RTCPAPPPacket::GetName()
+{
+ if (!knownformat)
+ return 0;
+
+ return (data+sizeof(RTCPCommonHeader)+sizeof(uint32_t));
+}
+
+inline uint8_t *RTCPAPPPacket::GetAPPData()
+{
+ if (!knownformat)
+ return 0;
+ if (appdatalen == 0)
+ return 0;
+ return (data+sizeof(RTCPCommonHeader)+sizeof(uint32_t)*2);
+}
+
+inline size_t RTCPAPPPacket::GetAPPDataLength() const
+{
+ if (!knownformat)
+ return 0;
+ return appdatalen;
+}
+
+#endif // RTCPAPPPACKET_H
+