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MPEG1or2DemuxedElementaryStream.hh
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1 /**********
2 This library is free software; you can redistribute it and/or modify it under
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6 
7 This library is distributed in the hope that it will be useful, but WITHOUT
8 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
9 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
10 more details.
11 
12 You should have received a copy of the GNU Lesser General Public License
13 along with this library; if not, write to the Free Software Foundation, Inc.,
14 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15 **********/
16 // "liveMedia"
17 // Copyright (c) 1996-2021 Live Networks, Inc. All rights reserved.
18 // A MPEG 1 or 2 Elementary Stream, demultiplexed from a Program Stream
19 // C++ header
20 
21 #ifndef _MPEG_1OR2_DEMUXED_ELEMENTARY_STREAM_HH
22 #define _MPEG_1OR2_DEMUXED_ELEMENTARY_STREAM_HH
23 
24 #ifndef _MPEG_1OR2_DEMUX_HH
25 #include "MPEG1or2Demux.hh"
26 #endif
27 
29 public:
31 
32  unsigned char mpegVersion() const { return fMPEGversion; }
33 
35 
36 private: // We are created only by a MPEG1or2Demux (a friend)
38  u_int8_t streamIdTag,
41 
42 private:
43  // redefined virtual functions:
44  virtual void doGetNextFrame();
45  virtual void doStopGettingFrames();
46  virtual char const* MIMEtype() const;
47  virtual unsigned maxFrameSize() const;
48 
49 private:
50  static void afterGettingFrame(void* clientData,
51  unsigned frameSize, unsigned numTruncatedBytes,
52  struct timeval presentationTime,
53  unsigned durationInMicroseconds);
54 
55  void afterGettingFrame1(unsigned frameSize, unsigned numTruncatedBytes,
56  struct timeval presentationTime,
57  unsigned durationInMicroseconds);
58 
59 private:
60  u_int8_t fOurStreamIdTag;
62  char const* fMIMEtype;
64  unsigned char fMPEGversion;
65 
66  friend class MPEG1or2Demux;
67 };
68 
69 #endif
static void afterGettingFrame(void *clientData, unsigned frameSize, unsigned numTruncatedBytes, struct timeval presentationTime, unsigned durationInMicroseconds)
virtual unsigned maxFrameSize() const
virtual char const * MIMEtype() const
MPEG1or2DemuxedElementaryStream(UsageEnvironment &env, u_int8_t streamIdTag, MPEG1or2Demux &sourceDemux)
void afterGettingFrame1(unsigned frameSize, unsigned numTruncatedBytes, struct timeval presentationTime, unsigned durationInMicroseconds)