| /********** |
| 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) 1996-2020 Live Networks, Inc. All rights reserved. |
| // A MPEG 1 or 2 Elementary Stream, demultiplexed from a Program Stream |
| // C++ header |
| |
| #ifndef _MPEG_1OR2_DEMUXED_ELEMENTARY_STREAM_HH |
| #define _MPEG_1OR2_DEMUXED_ELEMENTARY_STREAM_HH |
| |
| #ifndef _MPEG_1OR2_DEMUX_HH |
| #include "MPEG1or2Demux.hh" |
| #endif |
| |
| class MPEG1or2DemuxedElementaryStream: public FramedSource { |
| public: |
| MPEG1or2Demux::SCR lastSeenSCR() const { return fLastSeenSCR; } |
| |
| unsigned char mpegVersion() const { return fMPEGversion; } |
| |
| MPEG1or2Demux& sourceDemux() const { return fOurSourceDemux; } |
| |
| private: // We are created only by a MPEG1or2Demux (a friend) |
| MPEG1or2DemuxedElementaryStream(UsageEnvironment& env, |
| u_int8_t streamIdTag, |
| MPEG1or2Demux& sourceDemux); |
| virtual ~MPEG1or2DemuxedElementaryStream(); |
| |
| private: |
| // redefined virtual functions: |
| virtual void doGetNextFrame(); |
| virtual void doStopGettingFrames(); |
| virtual char const* MIMEtype() const; |
| virtual unsigned maxFrameSize() const; |
| |
| 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); |
| |
| private: |
| u_int8_t fOurStreamIdTag; |
| MPEG1or2Demux& fOurSourceDemux; |
| char const* fMIMEtype; |
| MPEG1or2Demux::SCR fLastSeenSCR; |
| unsigned char fMPEGversion; |
| |
| friend class MPEG1or2Demux; |
| }; |
| |
| #endif |