mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-10-31 15:07:12 -04:00
133 lines
3.7 KiB
C++
133 lines
3.7 KiB
C++
/*
|
|
|
|
This file is a part of JRTPLIB
|
|
Copyright (c) 1999-2017 Jori Liesenborgs
|
|
|
|
Contact: jori.liesenborgs@gmail.com
|
|
|
|
This library was developed at the Expertise Centre for Digital 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"
|
|
#include "rtpendian.h"
|
|
|
|
#include "export.h"
|
|
|
|
namespace qrtplib
|
|
{
|
|
|
|
class RTCPCompoundPacket;
|
|
|
|
/** Describes an RTCP APP packet. */
|
|
class QRTPLIB_API 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, std::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. */
|
|
std::size_t GetAPPDataLength() const;
|
|
private:
|
|
RTPEndian m_endian;
|
|
std::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 m_endian.qToHost(*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 std::size_t RTCPAPPPacket::GetAPPDataLength() const
|
|
{
|
|
if (!knownformat)
|
|
return 0;
|
|
return appdatalen;
|
|
}
|
|
|
|
} // end namespace
|
|
|
|
#endif // RTCPAPPPACKET_H
|
|
|