70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
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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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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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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) 1996-2024 Live Networks, Inc. All rights reserved.
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// A MPEG 1 or 2 Elementary Stream, demultiplexed from a Program Stream
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// C++ header
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#ifndef _MPEG_1OR2_DEMUXED_ELEMENTARY_STREAM_HH
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#define _MPEG_1OR2_DEMUXED_ELEMENTARY_STREAM_HH
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#ifndef _MPEG_1OR2_DEMUX_HH
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#include "MPEG1or2Demux.hh"
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#endif
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class LIVEMEDIA_API MPEG1or2DemuxedElementaryStream: public FramedSource {
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public:
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MPEG1or2Demux::SCR lastSeenSCR() const { return fLastSeenSCR; }
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unsigned char mpegVersion() const { return fMPEGversion; }
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MPEG1or2Demux& sourceDemux() const { return fOurSourceDemux; }
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private: // We are created only by a MPEG1or2Demux (a friend)
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MPEG1or2DemuxedElementaryStream(UsageEnvironment& env,
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u_int8_t streamIdTag,
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MPEG1or2Demux& sourceDemux);
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virtual ~MPEG1or2DemuxedElementaryStream();
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private:
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// redefined virtual functions:
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virtual void doGetNextFrame();
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virtual void doStopGettingFrames();
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virtual char const* MIMEtype() const;
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virtual unsigned maxFrameSize() const;
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private:
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static void afterGettingFrame(void* clientData,
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unsigned frameSize, unsigned numTruncatedBytes,
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struct timeval presentationTime,
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unsigned durationInMicroseconds);
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void afterGettingFrame1(unsigned frameSize, unsigned numTruncatedBytes,
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struct timeval presentationTime,
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unsigned durationInMicroseconds);
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private:
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u_int8_t fOurStreamIdTag;
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MPEG1or2Demux& fOurSourceDemux;
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char const* fMIMEtype;
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MPEG1or2Demux::SCR fLastSeenSCR;
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unsigned char fMPEGversion;
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friend class MPEG1or2Demux;
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};
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#endif
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