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| | | /********** |
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| | | This library is free software; you can redistribute it and/or modify it under |
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| | | the terms of the GNU Lesser General Public License as published by the |
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| | | Free Software Foundation; either version 3 of the License, or (at your |
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| | | option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) |
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| | | |
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| | | This library is distributed in the hope that it will be useful, but WITHOUT |
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| | | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| | | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for |
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| | | more details. |
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| | | |
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| | | You should have received a copy of the GNU Lesser General Public License |
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| | | along with this library; if not, write to the Free Software Foundation, Inc., |
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| | | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| | | **********/ |
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| | | // "liveMedia" |
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| | | // Copyright (c) 1996-2017 Live Networks, Inc. All rights reserved. |
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| | | // A simple RTP sink that packs frames into each outgoing |
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| | | // packet, without any fragmentation or special headers. |
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| | | // C++ header |
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| | | |
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| | | #ifndef _SIMPLE_RTP_SINK_HH |
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| | | #define _SIMPLE_RTP_SINK_HH |
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| | | |
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| | | #ifndef _MULTI_FRAMED_RTP_SINK_HH |
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| | | #include "MultiFramedRTPSink.hh" |
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| | | #endif |
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| | | |
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| | | class SimpleRTPSink: public MultiFramedRTPSink { |
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| | | public: |
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| | | static SimpleRTPSink* |
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| | | createNew(UsageEnvironment& env, Groupsock* RTPgs, |
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| | | unsigned char rtpPayloadFormat, |
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| | | unsigned rtpTimestampFrequency, |
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| | | char const* sdpMediaTypeString, |
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| | | char const* rtpPayloadFormatName, |
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| | | unsigned numChannels = 1, |
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| | | Boolean allowMultipleFramesPerPacket = True, |
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| | | Boolean doNormalMBitRule = True); |
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| | | // "doNormalMBitRule" means: If the medium (i.e., "sdpMediaTypeString") is other than "audio", set the RTP "M" bit |
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| | | // on each outgoing packet iff it contains the last (or only) fragment of a frame. |
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| | | // Otherwise (i.e., if "doNormalMBitRule" is False, or the medium is "audio"), leave the "M" bit unset. |
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| | | |
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| | | void setMBitOnNextPacket() { fSetMBitOnNextPacket = True; } // hack for optionally setting the RTP 'M' bit from outside the class |
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| | | |
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| | | protected: |
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| | | SimpleRTPSink(UsageEnvironment& env, Groupsock* RTPgs, |
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| | | unsigned char rtpPayloadFormat, |
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| | | unsigned rtpTimestampFrequency, |
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| | | char const* sdpMediaTypeString, |
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| | | char const* rtpPayloadFormatName, |
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| | | unsigned numChannels, |
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| | | Boolean allowMultipleFramesPerPacket, |
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| | | Boolean doNormalMBitRule); |
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| | | // called only by createNew() |
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| | | |
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| | | virtual ~SimpleRTPSink(); |
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| | | |
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| | | protected: // redefined virtual functions |
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| | | virtual void doSpecialFrameHandling(unsigned fragmentationOffset, |
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| | | unsigned char* frameStart, |
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| | | unsigned numBytesInFrame, |
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| | | struct timeval framePresentationTime, |
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| | | unsigned numRemainingBytes); |
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| | | virtual |
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| | | Boolean frameCanAppearAfterPacketStart(unsigned char const* frameStart, |
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| | | unsigned numBytesInFrame) const; |
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| | | virtual char const* sdpMediaType() const; |
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| | | |
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| | | private: |
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| | | char const* fSDPMediaTypeString; |
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| | | Boolean fAllowMultipleFramesPerPacket; |
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| | | Boolean fSetMBitOnLastFrames, fSetMBitOnNextPacket; |
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| | | }; |
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| | | |
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| | | #endif |
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