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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 Theora video |
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| | | // C++ header |
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| | | |
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| | | #ifndef _THEORA_VIDEO_RTP_SINK_HH |
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| | | #define _THEORA_VIDEO_RTP_SINK_HH |
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| | | |
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| | | #ifndef _VIDEO_RTP_SINK_HH |
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| | | #include "VideoRTPSink.hh" |
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| | | #endif |
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| | | |
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| | | class TheoraVideoRTPSink: public VideoRTPSink { |
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| | | public: |
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| | | static TheoraVideoRTPSink* |
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| | | createNew(UsageEnvironment& env, Groupsock* RTPgs, u_int8_t rtpPayloadFormat, |
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| | | // The following headers provide the 'configuration' information, for the SDP description: |
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| | | u_int8_t* identificationHeader, unsigned identificationHeaderSize, |
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| | | u_int8_t* commentHeader, unsigned commentHeaderSize, |
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| | | u_int8_t* setupHeader, unsigned setupHeaderSize, |
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| | | u_int32_t identField = 0xFACADE); |
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| | | |
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| | | static TheoraVideoRTPSink* |
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| | | createNew(UsageEnvironment& env, Groupsock* RTPgs, u_int8_t rtpPayloadFormat, |
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| | | char const* configStr); |
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| | | // an optional variant of "createNew()" that takes a Base-64-encoded 'configuration' string, |
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| | | // rather than the raw configuration headers as parameter. |
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| | | |
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| | | protected: |
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| | | TheoraVideoRTPSink(UsageEnvironment& env, Groupsock* RTPgs, |
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| | | u_int8_t rtpPayloadFormat, |
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| | | u_int8_t* identificationHeader, unsigned identificationHeaderSize, |
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| | | u_int8_t* commentHeader, unsigned commentHeaderSize, |
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| | | u_int8_t* setupHeader, unsigned setupHeaderSize, |
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| | | u_int32_t identField); |
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| | | // called only by createNew() |
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| | | |
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| | | virtual ~TheoraVideoRTPSink(); |
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| | | |
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| | | private: // redefined virtual functions: |
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| | | virtual char const* auxSDPLine(); // for the "a=fmtp:" SDP line |
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| | | |
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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 frameCanAppearAfterPacketStart(unsigned char const* frameStart, |
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| | | unsigned numBytesInFrame) const; |
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| | | virtual unsigned specialHeaderSize() const; |
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| | | |
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| | | private: |
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| | | u_int32_t fIdent; // "Ident" field used by this stream. (Only the low 24 bits of this are used.) |
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| | | char* fFmtpSDPLine; |
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| | | }; |
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| | | |
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| | | #endif |
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