/usr/include/liveMedia/MPEG2TransportStreamFramer.hh is in liblivemedia-dev 2016.02.09-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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 2.1 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) 1996-2016 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
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