From 41bc5a329c73e3b43695f73f11c47c97c44cc1b6 Mon Sep 17 00:00:00 2001 From: chenke <chenke@454eff88-639b-444f-9e54-f578c98de674> Date: 星期四, 20 七月 2017 09:45:41 +0800 Subject: [PATCH] --- VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG2TransportStreamFramer.hh | 78 +++++++++++++++++++++++++++++++++++++++ 1 files changed, 78 insertions(+), 0 deletions(-) diff --git a/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG2TransportStreamFramer.hh b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG2TransportStreamFramer.hh new file mode 100644 index 0000000..c414f78 --- /dev/null +++ b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG2TransportStreamFramer.hh @@ -0,0 +1,78 @@ +/********** +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. +// A filter that passes through (unchanged) chunks that contain an integral number +// of MPEG-2 Transport Stream packets, but returning (in "fDurationInMicroseconds") +// an updated estimate of the time gap between chunks. +// C++ header + +#ifndef _MPEG2_TRANSPORT_STREAM_FRAMER_HH +#define _MPEG2_TRANSPORT_STREAM_FRAMER_HH + +#ifndef _FRAMED_FILTER_HH +#include "FramedFilter.hh" +#endif + +#ifndef _HASH_TABLE_HH +#include "HashTable.hh" +#endif + +class MPEG2TransportStreamFramer: public FramedFilter { +public: + static MPEG2TransportStreamFramer* + createNew(UsageEnvironment& env, FramedSource* inputSource); + + u_int64_t tsPacketCount() const { return fTSPacketCount; } + + void changeInputSource(FramedSource* newInputSource) { fInputSource = newInputSource; } + + void clearPIDStatusTable(); + void setNumTSPacketsToStream(unsigned long numTSRecordsToStream); + void setPCRLimit(float pcrLimit); + +protected: + MPEG2TransportStreamFramer(UsageEnvironment& env, FramedSource* inputSource); + // called only by createNew() + virtual ~MPEG2TransportStreamFramer(); + +private: + // Redefined virtual functions: + virtual void doGetNextFrame(); + virtual void doStopGettingFrames(); + +private: + static void afterGettingFrame(void* clientData, unsigned frameSize, + unsigned numTruncatedBytes, + struct timeval presentationTime, + unsigned durationInMicroseconds); + void afterGettingFrame1(unsigned frameSize, + struct timeval presentationTime); + + Boolean updateTSPacketDurationEstimate(unsigned char* pkt, double timeNow); + +private: + u_int64_t fTSPacketCount; + double fTSPacketDurationEstimate; + HashTable* fPIDStatusTable; + u_int64_t fTSPCRCount; + Boolean fLimitNumTSPacketsToStream; + unsigned long fNumTSPacketsToStream; // used iff "fLimitNumTSPacketsToStream" is True + Boolean fLimitTSPacketsToStreamByPCR; + float fPCRLimit; // used iff "fLimitTSPacketsToStreamByPCR" is True +}; + +#endif -- Gitblit v1.8.0