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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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| | | // RTP sink for AMR audio (RFC 4867) |
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| | | // C++ header |
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| | | |
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| | | #ifndef _AMR_AUDIO_RTP_SINK_HH |
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| | | #define _AMR_AUDIO_RTP_SINK_HH |
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| | | |
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| | | #ifndef _AUDIO_RTP_SINK_HH |
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| | | #include "AudioRTPSink.hh" |
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| | | #endif |
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| | | |
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| | | class AMRAudioRTPSink: public AudioRTPSink { |
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| | | public: |
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| | | static AMRAudioRTPSink* createNew(UsageEnvironment& env, |
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| | | Groupsock* RTPgs, |
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| | | unsigned char rtpPayloadFormat, |
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| | | Boolean sourceIsWideband = False, |
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| | | unsigned numChannelsInSource = 1); |
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| | | |
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| | | Boolean sourceIsWideband() const { return fSourceIsWideband; } |
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| | | |
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| | | protected: |
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| | | AMRAudioRTPSink(UsageEnvironment& env, Groupsock* RTPgs, |
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| | | unsigned char rtpPayloadFormat, |
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| | | Boolean sourceIsWideband, unsigned numChannelsInSource); |
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| | | // called only by createNew() |
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| | | |
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| | | virtual ~AMRAudioRTPSink(); |
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| | | |
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| | | private: // redefined virtual functions: |
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| | | virtual Boolean sourceIsCompatibleWithUs(MediaSource& source); |
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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 Boolean |
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| | | frameCanAppearAfterPacketStart(unsigned char const* frameStart, |
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| | | unsigned numBytesInFrame) const; |
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| | | |
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| | | virtual unsigned specialHeaderSize() const; |
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| | | virtual char const* auxSDPLine(); |
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| | | |
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| | | private: |
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| | | Boolean fSourceIsWideband; |
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| | | char* fFmtpSDPLine; |
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| | | }; |
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| | | |
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| | | #endif |
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