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MPEG1or2VideoStreamFramer.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 
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9 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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14 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15 **********/
16 // "liveMedia"
17 // Copyright (c) 1996-2022 Live Networks, Inc. All rights reserved.
18 // A filter that breaks up an MPEG 1 or 2 video elementary stream into
19 // frames for: Video_Sequence_Header, GOP_Header, Picture_Header
20 // C++ header
21 
22 #ifndef _MPEG_1OR2_VIDEO_STREAM_FRAMER_HH
23 #define _MPEG_1OR2_VIDEO_STREAM_FRAMER_HH
24 
25 #ifndef _MPEG_VIDEO_STREAM_FRAMER_HH
26 #include "MPEGVideoStreamFramer.hh"
27 #endif
28 
30 public:
33  Boolean iFramesOnly = False,
34  double vshPeriod = 5.0
35  /* how often (in seconds) to inject a Video_Sequence_Header,
36  if one doesn't already appear in the stream */);
37 
38 protected:
41  Boolean iFramesOnly, double vshPeriod,
42  Boolean createParser = True);
43  // called only by createNew(), or by subclass constructors
45 
46 private:
47  // redefined virtual functions:
49 
50 private:
51  double getCurrentPTS() const;
52 
53  friend class MPEG1or2VideoStreamParser; // hack
54 };
55 
56 #endif
const Boolean False
Definition: Boolean.hh:28
const Boolean True
Definition: Boolean.hh:31
unsigned char Boolean
Definition: Boolean.hh:25
FramedSource * inputSource() const
Definition: FramedFilter.hh:30
MPEG1or2VideoStreamFramer(UsageEnvironment &env, FramedSource *inputSource, Boolean iFramesOnly, double vshPeriod, Boolean createParser=True)
static MPEG1or2VideoStreamFramer * createNew(UsageEnvironment &env, FramedSource *inputSource, Boolean iFramesOnly=False, double vshPeriod=5.0)
double getCurrentPTS() const
virtual Boolean isMPEG1or2VideoStreamFramer() const
virtual ~MPEG1or2VideoStreamFramer()