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Diffstat (limited to 'src/rtcpapppacket.h')
-rw-r--r-- | src/rtcpapppacket.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/rtcpapppacket.h b/src/rtcpapppacket.h new file mode 100644 index 0000000..4e5f9b7 --- /dev/null +++ b/src/rtcpapppacket.h @@ -0,0 +1,127 @@ +/* + + 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 + |