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/**********
This library 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. (See <http://www.gnu.org/copyleft/lesser.html>.)
This library 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 this library; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
**********/
// "liveMedia"
// Copyright (c) 1996-2004 Live Networks, Inc. All rights reserved.
// A simple RTP sink that packs frames into each outgoing
// packet, without any fragmentation or special headers.
// C++ header
#ifndef _SIMPLE_RTP_SINK_HH
#define _SIMPLE_RTP_SINK_HH
#ifndef _MULTI_FRAMED_RTP_SINK_HH
#include "MultiFramedRTPSink.hh"
#endif
class SimpleRTPSink: public MultiFramedRTPSink {
public:
static SimpleRTPSink*
createNew(UsageEnvironment& env, Groupsock* RTPgs,
unsigned char rtpPayloadFormat,
unsigned rtpTimestampFrequency,
char const* sdpMediaTypeString,
char const* rtpPayloadFormatName,
unsigned numChannels = 1,
Boolean allowMultipleFramesPerPacket = True,
Boolean doNormalMBitRule = True);
// "doNormalMBitRule" means: If the medium is video, set the RTP "M"
// bit on each outgoing packet iff it contains the last (or only)
// fragment of a frame. (Otherwise, leave the "M" bit unset.)
protected:
SimpleRTPSink(UsageEnvironment& env, Groupsock* RTPgs,
unsigned char rtpPayloadFormat,
unsigned rtpTimestampFrequency,
char const* sdpMediaTypeString,
char const* rtpPayloadFormatName,
unsigned numChannels,
Boolean allowMultipleFramesPerPacket,
Boolean doNormalMBitRule);
// called only by createNew()
virtual ~SimpleRTPSink();
protected: // redefined virtual functions
virtual void doSpecialFrameHandling(unsigned fragmentationOffset,
unsigned char* frameStart,
unsigned numBytesInFrame,
struct timeval frameTimestamp,
unsigned numRemainingBytes);
virtual
Boolean frameCanAppearAfterPacketStart(unsigned char const* frameStart,
unsigned numBytesInFrame) const;
virtual char const* sdpMediaType() const;
private:
char const* fSDPMediaTypeString;
Boolean fAllowMultipleFramesPerPacket;
Boolean fSetMBitOnLastFrames;
};
#endif
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