From 2ae0446917184b36996823e9dbf452dba82e8994 Mon Sep 17 00:00:00 2001 From: xuxiuxi <xuxiuxi@454eff88-639b-444f-9e54-f578c98de674> Date: 星期五, 21 四月 2017 12:31:44 +0800 Subject: [PATCH] --- VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/OggFileSink.hh | 79 +++++++++++++++++++++++++++++++++++++++ 1 files changed, 79 insertions(+), 0 deletions(-) diff --git a/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/OggFileSink.hh b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/OggFileSink.hh new file mode 100644 index 0000000..4357cb2 --- /dev/null +++ b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/OggFileSink.hh @@ -0,0 +1,79 @@ +/********** +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 3 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., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +**********/ +// "liveMedia" +// Copyright (c) 1996-2017 Live Networks, Inc. All rights reserved. +// 'Ogg' File Sink (recording a single media track only) +// C++ header + +#ifndef _OGG_FILE_SINK_HH +#define _OGG_FILE_SINK_HH + +#ifndef _FILE_SINK_HH +#include "FileSink.hh" +#endif + +class OggFileSink: public FileSink { +public: + static OggFileSink* createNew(UsageEnvironment& env, char const* fileName, + unsigned samplingFrequency = 0, // used for granule_position + char const* configStr = NULL, + // "configStr" is an optional 'SDP format' string (Base64-encoded) + // representing 'packed configuration headers' ("identification", "comment", "setup") + // to prepend to the output. (For 'Vorbis" audio and 'Theora' video.) + unsigned bufferSize = 100000, + Boolean oneFilePerFrame = False); + // See "FileSink.hh" for a description of these parameters. + +protected: + OggFileSink(UsageEnvironment& env, FILE* fid, unsigned samplingFrequency, char const* configStr, + unsigned bufferSize, char const* perFrameFileNamePrefix); + // called only by createNew() + virtual ~OggFileSink(); + +protected: // redefined virtual functions: + virtual Boolean continuePlaying(); + virtual void addData(unsigned char const* data, unsigned dataSize, + struct timeval presentationTime); + virtual void afterGettingFrame(unsigned frameSize, unsigned numTruncatedBytes, + struct timeval presentationTime); + +private: + static void ourOnSourceClosure(void* clientData); + void ourOnSourceClosure(); + +private: + unsigned fSamplingFrequency; + char const* fConfigStr; + Boolean fHaveWrittenFirstFrame, fHaveSeenEOF; + struct timeval fFirstPresentationTime; + int64_t fGranulePosition; + int64_t fGranulePositionAdjustment; // used to ensure that "fGranulePosition" stays monotonic + u_int32_t fPageSequenceNumber; + u_int8_t fPageHeaderBytes[27]; + // the header of each Ogg page, through the "number_page_segments" byte + + // Special fields used for Theora video: + Boolean fIsTheora; + u_int64_t fGranuleIncrementPerFrame; // == 1 << KFGSHIFT + + // Because the last Ogg page before EOF needs to have a special 'eos' bit set in the header, + // we need to defer the writing of each incoming frame. To do this, we maintain a 2nd buffer: + unsigned char* fAltBuffer; + unsigned fAltFrameSize, fAltNumTruncatedBytes; + struct timeval fAltPresentationTime; +}; + +#endif -- Gitblit v1.8.0