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1 /**********
2 This library is free software; you can redistribute it and/or modify it under
3 the terms of the GNU Lesser General Public License as published by the
4 Free Software Foundation; either version 3 of the License, or (at your
5 option) any later version. (See <>.)
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9 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
10 more details.
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) 1996-2022 Live Networks, Inc. All rights reserved.
18 // A sink that generates an AVI file from a composite media session
19 // C++ header
21 #ifndef _AVI_FILE_SINK_HH
22 #define _AVI_FILE_SINK_HH
24 #ifndef _MEDIA_SESSION_HH
25 #include "MediaSession.hh"
26 #endif
28 class AVIFileSink: public Medium {
29 public:
31  MediaSession& inputSession,
32  char const* outputFileName,
33  unsigned bufferSize = 20000,
34  unsigned short movieWidth = 240,
35  unsigned short movieHeight = 180,
36  unsigned movieFPS = 15,
37  Boolean packetLossCompensate = False);
39  typedef void (afterPlayingFunc)(void* clientData);
41  void* afterClientData);
43  unsigned numActiveSubsessions() const { return fNumSubsessions; }
45 private:
47  char const* outputFileName, unsigned bufferSize,
48  unsigned short movieWidth, unsigned short movieHeight,
49  unsigned movieFPS, Boolean packetLossCompensate);
50  // called only by createNew()
51  virtual ~AVIFileSink();
54  static void afterGettingFrame(void* clientData, unsigned frameSize,
55  unsigned numTruncatedBytes,
56  struct timeval presentationTime,
57  unsigned durationInMicroseconds);
58  static void onSourceClosure(void* clientData);
60  static void onRTCPBye(void* clientData);
61  void addIndexRecord(class AVIIndexRecord* newIndexRecord);
64 private:
65  friend class AVISubsessionIOState;
67  FILE* fOutFid;
68  class AVIIndexRecord *fIndexRecordsHead, *fIndexRecordsTail;
69  unsigned fNumIndexRecords;
70  unsigned fBufferSize;
75  unsigned fNumSubsessions;
76  unsigned fNumBytesWritten;
77  struct timeval fStartTime;
80 private:
83  unsigned addWord(unsigned word); // outputs "word" in little-endian order
84  unsigned addHalfWord(unsigned short halfWord);
85  unsigned addByte(unsigned char byte) {
86  putc(byte, fOutFid);
87  return 1;
88  }
89  unsigned addZeroWords(unsigned numWords);
90  unsigned add4ByteString(char const* str);
91  void setWord(unsigned filePosn, unsigned size);
93  // Define member functions for outputting various types of file header:
94 #define _header(name) unsigned addFileHeader_##name()
95  _header(AVI);
96  _header(hdrl);
97  _header(avih);
98  _header(strl);
99  _header(strh);
100  _header(strf);
101  _header(JUNK);
102 // _header(JUNK);
103  _header(movi);
104 private:
105  unsigned short fMovieWidth, fMovieHeight;
106  unsigned fMovieFPS;
112  unsigned fJunkNumber;
113 };
115 #endif
const Boolean False
Definition: Boolean.hh:28
unsigned char Boolean
Definition: Boolean.hh:25
unsigned addByte(unsigned char byte)
Definition: AVIFileSink.hh:85
unsigned fNumBytesWritten
Definition: AVIFileSink.hh:76
friend class AVISubsessionIOState
Definition: AVIFileSink.hh:65
void completeOutputFile()
unsigned addHalfWord(unsigned short halfWord)
class AVIIndexRecord * fIndexRecordsHead
Definition: AVIFileSink.hh:68
void * fAfterClientData
Definition: AVIFileSink.hh:74
class AVISubsessionIOState * fCurrentIOState
Definition: AVIFileSink.hh:111
unsigned fMoviSizePosition
Definition: AVIFileSink.hh:110
unsigned fAVIHMaxBytesPerSecondPosition
Definition: AVIFileSink.hh:108
void addIndexRecord(class AVIIndexRecord *newIndexRecord)
unsigned add4ByteString(char const *str)
Boolean fAreCurrentlyBeingPlayed
Definition: AVIFileSink.hh:72
unsigned fNumIndexRecords
Definition: AVIFileSink.hh:69
static AVIFileSink * createNew(UsageEnvironment &env, MediaSession &inputSession, char const *outputFileName, unsigned bufferSize=20000, unsigned short movieWidth=240, unsigned short movieHeight=180, unsigned movieFPS=15, Boolean packetLossCompensate=False)
unsigned fMovieFPS
Definition: AVIFileSink.hh:106
unsigned fRIFFSizeValue
Definition: AVIFileSink.hh:107
unsigned fRIFFSizePosition
Definition: AVIFileSink.hh:107
unsigned fNumSubsessions
Definition: AVIFileSink.hh:75
unsigned short fMovieWidth
Definition: AVIFileSink.hh:105
unsigned numActiveSubsessions() const
Definition: AVIFileSink.hh:43
void() afterPlayingFunc(void *clientData)
Definition: AVIFileSink.hh:39
unsigned fAVIHFrameCountPosition
Definition: AVIFileSink.hh:109
MediaSession & fInputSession
Definition: AVIFileSink.hh:66
Boolean fHaveCompletedOutputFile
Definition: AVIFileSink.hh:78
unsigned short fMovieHeight
Definition: AVIFileSink.hh:105
Boolean continuePlaying()
struct timeval fStartTime
Definition: AVIFileSink.hh:77
unsigned addWord(unsigned word)
Boolean startPlaying(afterPlayingFunc *afterFunc, void *afterClientData)
virtual ~AVIFileSink()
void setWord(unsigned filePosn, unsigned size)
FILE * fOutFid
Definition: AVIFileSink.hh:67
static void onSourceClosure(void *clientData)
unsigned fMoviSizeValue
Definition: AVIFileSink.hh:110
unsigned fBufferSize
Definition: AVIFileSink.hh:70
static void onRTCPBye(void *clientData)
unsigned fJunkNumber
Definition: AVIFileSink.hh:112
afterPlayingFunc * fAfterFunc
Definition: AVIFileSink.hh:73
class AVIIndexRecord * fIndexRecordsTail
Definition: AVIFileSink.hh:68
Boolean fPacketLossCompensate
Definition: AVIFileSink.hh:71
void onSourceClosure1()
unsigned addZeroWords(unsigned numWords)
AVIFileSink(UsageEnvironment &env, MediaSession &inputSession, char const *outputFileName, unsigned bufferSize, unsigned short movieWidth, unsigned short movieHeight, unsigned movieFPS, Boolean packetLossCompensate)
static void afterGettingFrame(void *clientData, unsigned frameSize, unsigned numTruncatedBytes, struct timeval presentationTime, unsigned durationInMicroseconds)
Definition: Media.hh:50