/usr/include/liveMedia/MPEG2IndexFromTransportStream.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 produces a sequence of I-frame indices from a MPEG-2 Transport Stream
// C++ header
#ifndef _MPEG2_IFRAME_INDEX_FROM_TRANSPORT_STREAM_HH
#define _MPEG2_IFRAME_INDEX_FROM_TRANSPORT_STREAM_HH
#ifndef _FRAMED_FILTER_HH
#include "FramedFilter.hh"
#endif
#ifndef TRANSPORT_PACKET_SIZE
#define TRANSPORT_PACKET_SIZE 188
#endif
#ifndef MAX_PES_PACKET_SIZE
#define MAX_PES_PACKET_SIZE 65536
#endif
class IndexRecord; // forward
class MPEG2IFrameIndexFromTransportStream: public FramedFilter {
public:
static MPEG2IFrameIndexFromTransportStream*
createNew(UsageEnvironment& env, FramedSource* inputSource);
protected:
MPEG2IFrameIndexFromTransportStream(UsageEnvironment& env,
FramedSource* inputSource);
// called only by createNew()
virtual ~MPEG2IFrameIndexFromTransportStream();
private:
// Redefined virtual functions:
virtual void doGetNextFrame();
private:
static void afterGettingFrame(void* clientData, unsigned frameSize,
unsigned numTruncatedBytes,
struct timeval presentationTime,
unsigned durationInMicroseconds);
void afterGettingFrame1(unsigned frameSize,
unsigned numTruncatedBytes,
struct timeval presentationTime,
unsigned durationInMicroseconds);
static void handleInputClosure(void* clientData);
void handleInputClosure1();
void analyzePAT(unsigned char* pkt, unsigned size);
void analyzePMT(unsigned char* pkt, unsigned size);
Boolean deliverIndexRecord();
Boolean parseFrame();
Boolean parseToNextCode(unsigned char& nextCode);
void compactParseBuffer();
void addToTail(IndexRecord* newIndexRecord);
private:
Boolean fIsH264; // True iff the video is H.264 (encapsulated in a Transport Stream)
Boolean fIsH265; // True iff the video is H.265 (encapsulated in a Transport Stream)
unsigned long fInputTransportPacketCounter;
unsigned fClosureNumber;
u_int8_t fLastContinuityCounter;
float fFirstPCR, fLastPCR;
Boolean fHaveSeenFirstPCR;
u_int16_t fPMT_PID, fVideo_PID;
// Note: We assume: 1 program per Transport Stream; 1 video stream per program
unsigned char fInputBuffer[TRANSPORT_PACKET_SIZE];
unsigned char* fParseBuffer;
unsigned fParseBufferSize;
unsigned fParseBufferFrameStart;
unsigned fParseBufferParseEnd;
unsigned fParseBufferDataEnd;
IndexRecord* fHeadIndexRecord;
IndexRecord* fTailIndexRecord;
};
#endif
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