live: ByteStreamFileSource Class Reference

typedef void( FramedSource::afterGettingFunc)(void *clientData, unsigned frameSize, unsigned numTruncatedBytes, struct timeval presentationTime, unsigned durationInMicroseconds) [inherited]

Definition at line 36 of file FramedSource.hh.

typedef void( FramedSource::onCloseFunc)(void *clientData) [inherited]

Definition at line 40 of file FramedSource.hh.

ByteStreamFileSource::ByteStreamFileSource	(	UsageEnvironment &	env,
		FILE *	fid,
		unsigned	preferredFrameSize,
		unsigned	playTimePerFrame
	)			`[protected]`

Definition at line 68 of file ByteStreamFileSource.cpp.

References FramedFileSource::fFid, fFidIsSeekable, FileIsSeekable(), and makeSocketNonBlocking().

Referenced by createNew().

00071   : FramedFileSource(env, fid), fFileSize(0), fPreferredFrameSize(preferredFrameSize),
00072     fPlayTimePerFrame(playTimePerFrame), fLastPlayTime(0),
00073     fHaveStartedReading(False), fLimitNumBytesToStream(False), fNumBytesToStream(0) {
00074 #ifndef READ_FROM_FILES_SYNCHRONOUSLY
00075   makeSocketNonBlocking(fileno(fFid));
00076 #endif
00077 
00078   // Test whether the file is seekable
00079   fFidIsSeekable = FileIsSeekable(fFid);
00080 }

ByteStreamFileSource::~ByteStreamFileSource ( ) [protected, virtual]

Definition at line 82 of file ByteStreamFileSource.cpp.

References CloseInputFile(), Medium::envir(), FramedFileSource::fFid, NULL, UsageEnvironment::taskScheduler(), and TaskScheduler::turnOffBackgroundReadHandling().

00082                                             {
00083   if (fFid == NULL) return;
00084 
00085 #ifndef READ_FROM_FILES_SYNCHRONOUSLY
00086   envir().taskScheduler().turnOffBackgroundReadHandling(fileno(fFid));
00087 #endif
00088 
00089   CloseInputFile(fFid);
00090 }

ByteStreamFileSource * ByteStreamFileSource::createNew	(	UsageEnvironment &	env,
		char const *	fileName,
		unsigned	preferredFrameSize = `0`,
		unsigned	playTimePerFrame = `0`
	)			`[static]`

Definition at line 28 of file ByteStreamFileSource.cpp.

References ByteStreamFileSource(), env, fFileSize, GetFileSize(), NULL, and OpenInputFile().

Referenced by MPEG4VideoFileServerMediaSubsession::createNewStreamSource(), MPEG2TransportFileServerMediaSubsession::createNewStreamSource(), MPEG1or2VideoFileServerMediaSubsession::createNewStreamSource(), H264VideoFileServerMediaSubsession::createNewStreamSource(), H263plusVideoFileServerMediaSubsession::createNewStreamSource(), DVVideoFileServerMediaSubsession::createNewStreamSource(), AC3AudioFileServerMediaSubsession::createNewStreamSource(), ByteStreamMultiFileSource::doGetNextFrame(), main(), MatroskaDemux::MatroskaDemux(), MatroskaFile::MatroskaFile(), MPEG1or2ProgramStreamFileDuration(), and MPEG1or2FileServerDemux::newElementaryStream().

00030                                                            {
00031   FILE* fid = OpenInputFile(env, fileName);
00032   if (fid == NULL) return NULL;
00033 
00034   ByteStreamFileSource* newSource
00035     = new ByteStreamFileSource(env, fid, preferredFrameSize, playTimePerFrame);
00036   newSource->fFileSize = GetFileSize(fileName, fid);
00037 
00038   return newSource;
00039 }

ByteStreamFileSource * ByteStreamFileSource::createNew	(	UsageEnvironment &	env,
		FILE *	fid,
		unsigned	preferredFrameSize = `0`,
		unsigned	playTimePerFrame = `0`
	)			`[static]`

Definition at line 42 of file ByteStreamFileSource.cpp.

References ByteStreamFileSource(), env, fFileSize, GetFileSize(), and NULL.

00044                                                            {
00045   if (fid == NULL) return NULL;
00046 
00047   ByteStreamFileSource* newSource = new ByteStreamFileSource(env, fid, preferredFrameSize, playTimePerFrame);
00048   newSource->fFileSize = GetFileSize(NULL, fid);
00049 
00050   return newSource;
00051 }

u_int64_t ByteStreamFileSource::fileSize ( ) const [inline]

Definition at line 44 of file ByteStreamFileSource.hh.

References fFileSize.

Referenced by MPEG4VideoFileServerMediaSubsession::createNewStreamSource(), MPEG2TransportFileServerMediaSubsession::createNewStreamSource(), MPEG1or2VideoFileServerMediaSubsession::createNewStreamSource(), H264VideoFileServerMediaSubsession::createNewStreamSource(), H263plusVideoFileServerMediaSubsession::createNewStreamSource(), DVVideoFileServerMediaSubsession::createNewStreamSource(), and MPEG1or2ProgramStreamFileDuration().

00044 { return fFileSize; }

void ByteStreamFileSource::seekToByteAbsolute	(	u_int64_t	byteNumber,
		u_int64_t	numBytesToStream = `0`
	)

Definition at line 53 of file ByteStreamFileSource.cpp.

References FramedFileSource::fFid, fLimitNumBytesToStream, fNumBytesToStream, and SeekFile64().

Referenced by MPEG1or2ProgramStreamFileDuration(), ClientTrickPlayState::reseekOriginalTransportStreamSource(), MPEG1or2DemuxedServerMediaSubsession::seekStreamSource(), DVVideoFileServerMediaSubsession::seekStreamSource(), MatroskaFileParser::seekToFilePosition(), and MPEG2TransportStreamTrickModeFilter::seekToTransportPacket().

00053                                                                                               {
00054   SeekFile64(fFid, (int64_t)byteNumber, SEEK_SET);
00055 
00056   fNumBytesToStream = numBytesToStream;
00057   fLimitNumBytesToStream = fNumBytesToStream > 0;
00058 }

void ByteStreamFileSource::seekToByteRelative ( int64_t offset )

Definition at line 60 of file ByteStreamFileSource.cpp.

References FramedFileSource::fFid, and SeekFile64().

00060                                                             {
00061   SeekFile64(fFid, offset, SEEK_CUR);
00062 }

void ByteStreamFileSource::seekToEnd ( )

Definition at line 64 of file ByteStreamFileSource.cpp.

References FramedFileSource::fFid, and SeekFile64().

Referenced by MatroskaFileParser::seekToEndOfFile().

00064                                      {
00065   SeekFile64(fFid, 0, SEEK_END);
00066 }

void ByteStreamFileSource::fileReadableHandler	(	ByteStreamFileSource *	source,
		int	mask
	)			`[static, protected]`

Definition at line 118 of file ByteStreamFileSource.cpp.

References doReadFromFile(), doStopGettingFrames(), and FramedSource::isCurrentlyAwaitingData().

Referenced by doGetNextFrame().

00118                                                                                          {
00119   if (!source->isCurrentlyAwaitingData()) {
00120     source->doStopGettingFrames(); // we're not ready for the data yet
00121     return;
00122   }
00123   source->doReadFromFile();
00124 }

void ByteStreamFileSource::doReadFromFile ( ) [protected]

Definition at line 126 of file ByteStreamFileSource.cpp.

References FramedSource::afterGetting(), Medium::envir(), FramedSource::fDurationInMicroseconds, FramedFileSource::fFid, fFidIsSeekable, FramedSource::fFrameSize, fLastPlayTime, fLimitNumBytesToStream, FramedSource::fMaxSize, fNumBytesToStream, fPlayTimePerFrame, fPreferredFrameSize, FramedSource::fPresentationTime, FramedSource::fTo, FramedSource::handleClosure(), Medium::nextTask(), NULL, TaskScheduler::scheduleDelayedTask(), and UsageEnvironment::taskScheduler().

Referenced by doGetNextFrame(), and fileReadableHandler().

00126                                           {
00127   // Try to read as many bytes as will fit in the buffer provided (or "fPreferredFrameSize" if less)
00128   if (fLimitNumBytesToStream && fNumBytesToStream < (u_int64_t)fMaxSize) {
00129     fMaxSize = (unsigned)fNumBytesToStream;
00130   }
00131   if (fPreferredFrameSize > 0 && fPreferredFrameSize < fMaxSize) {
00132     fMaxSize = fPreferredFrameSize;
00133   }
00134 #ifdef READ_FROM_FILES_SYNCHRONOUSLY
00135   fFrameSize = fread(fTo, 1, fMaxSize, fFid);
00136 #else
00137   if (fFidIsSeekable) {
00138     fFrameSize = fread(fTo, 1, fMaxSize, fFid);
00139   } else {
00140     // For non-seekable files (e.g., pipes), call "read()" rather than "fread()", to ensure that the read doesn't block:
00141     fFrameSize = read(fileno(fFid), fTo, fMaxSize);
00142   }
00143 #endif
00144   if (fFrameSize == 0) {
00145     handleClosure(this);
00146     return;
00147   }
00148   fNumBytesToStream -= fFrameSize;
00149 
00150   // Set the 'presentation time':
00151   if (fPlayTimePerFrame > 0 && fPreferredFrameSize > 0) {
00152     if (fPresentationTime.tv_sec == 0 && fPresentationTime.tv_usec == 0) {
00153       // This is the first frame, so use the current time:
00154       gettimeofday(&fPresentationTime, NULL);
00155     } else {
00156       // Increment by the play time of the previous data:
00157       unsigned uSeconds = fPresentationTime.tv_usec + fLastPlayTime;
00158       fPresentationTime.tv_sec += uSeconds/1000000;
00159       fPresentationTime.tv_usec = uSeconds%1000000;
00160     }
00161 
00162     // Remember the play time of this data:
00163     fLastPlayTime = (fPlayTimePerFrame*fFrameSize)/fPreferredFrameSize;
00164     fDurationInMicroseconds = fLastPlayTime;
00165   } else {
00166     // We don't know a specific play time duration for this data,
00167     // so just record the current time as being the 'presentation time':
00168     gettimeofday(&fPresentationTime, NULL);
00169   }
00170 
00171   // Inform the reader that he has data:
00172 #ifdef READ_FROM_FILES_SYNCHRONOUSLY
00173   // To avoid possible infinite recursion, we need to return to the event loop to do this:
00174   nextTask() = envir().taskScheduler().scheduleDelayedTask(0,
00175                                 (TaskFunc*)FramedSource::afterGetting, this);
00176 #else
00177   // Because the file read was done from the event loop, we can call the
00178   // 'after getting' function directly, without risk of infinite recursion:
00179   FramedSource::afterGetting(this);
00180 #endif
00181 }

void ByteStreamFileSource::doGetNextFrame ( ) [private, virtual]

Implements FramedSource.

Definition at line 92 of file ByteStreamFileSource.cpp.

References doReadFromFile(), Medium::envir(), FramedFileSource::fFid, fHaveStartedReading, fileReadableHandler(), fLimitNumBytesToStream, fNumBytesToStream, FramedSource::handleClosure(), UsageEnvironment::taskScheduler(), True, and TaskScheduler::turnOnBackgroundReadHandling().

00092                                           {
00093   if (feof(fFid) || ferror(fFid) || (fLimitNumBytesToStream && fNumBytesToStream == 0)) {
00094     handleClosure(this);
00095     return;
00096   }
00097 
00098 #ifdef READ_FROM_FILES_SYNCHRONOUSLY
00099   doReadFromFile();
00100 #else
00101   if (!fHaveStartedReading) {
00102     // Await readable data from the file:
00103     envir().taskScheduler().turnOnBackgroundReadHandling(fileno(fFid),
00104                (TaskScheduler::BackgroundHandlerProc*)&fileReadableHandler, this);
00105     fHaveStartedReading = True;
00106   }
00107 #endif
00108 }

void ByteStreamFileSource::doStopGettingFrames ( ) [private, virtual]

Reimplemented from FramedSource.

Definition at line 110 of file ByteStreamFileSource.cpp.

References Medium::envir(), False, FramedFileSource::fFid, fHaveStartedReading, Medium::nextTask(), UsageEnvironment::taskScheduler(), TaskScheduler::turnOffBackgroundReadHandling(), and TaskScheduler::unscheduleDelayedTask().

Referenced by fileReadableHandler().

00110                                                {
00111   envir().taskScheduler().unscheduleDelayedTask(nextTask());
00112 #ifndef READ_FROM_FILES_SYNCHRONOUSLY
00113   envir().taskScheduler().turnOffBackgroundReadHandling(fileno(fFid));
00114   fHaveStartedReading = False;
00115 #endif
00116 }

Boolean FramedSource::lookupByName	(	UsageEnvironment &	env,
		char const *	sourceName,
		FramedSource *&	resultSource
	)			`[static, inherited]`

Definition at line 41 of file FramedSource.cpp.

References env, False, MediaSource::isFramedSource(), MediaSource::lookupByName(), NULL, and True.

Referenced by MP3ADUinterleaverBase::getInputSource().

00042                                                                 {
00043   resultSource = NULL; // unless we succeed
00044 
00045   MediaSource* source;
00046   if (!MediaSource::lookupByName(env, sourceName, source)) return False;
00047 
00048   if (!source->isFramedSource()) {
00049     env.setResultMsg(sourceName, " is not a framed source");
00050     return False;
00051   }
00052 
00053   resultSource = (FramedSource*)source;
00054   return True;
00055 }

Boolean MediaSource::lookupByName	(	UsageEnvironment &	env,
		char const *	sourceName,
		MediaSource *&	resultSource
	)			`[static, inherited]`

Definition at line 65 of file MediaSource.cpp.

References env, False, Medium::isSource(), Medium::lookupByName(), NULL, and True.

Referenced by RTPSource::lookupByName(), and FramedSource::lookupByName().

00067                                                               {
00068   resultSource = NULL; // unless we succeed
00069 
00070   Medium* medium;
00071   if (!Medium::lookupByName(env, sourceName, medium)) return False;
00072 
00073   if (!medium->isSource()) {
00074     env.setResultMsg(sourceName, " is not a media source");
00075     return False;
00076   }
00077 
00078   resultSource = (MediaSource*)medium;
00079   return True;
00080 }

Boolean Medium::lookupByName	(	UsageEnvironment &	env,
		char const *	mediumName,
		Medium *&	resultMedium
	)			`[static, inherited]`

Definition at line 41 of file Media.cpp.

References env, False, MediaLookupTable::lookup(), NULL, MediaLookupTable::ourMedia(), UsageEnvironment::setResultMsg(), and True.

Referenced by ServerMediaSession::lookupByName(), RTSPServer::lookupByName(), RTSPClient::lookupByName(), RTCPInstance::lookupByName(), MediaSource::lookupByName(), MediaSink::lookupByName(), MediaSession::lookupByName(), and DarwinInjector::lookupByName().

00042                                                          {
00043   resultMedium = MediaLookupTable::ourMedia(env)->lookup(mediumName);
00044   if (resultMedium == NULL) {
00045     env.setResultMsg("Medium ", mediumName, " does not exist");
00046     return False;
00047   }
00048 
00049   return True;
00050 }

void FramedSource::getNextFrame	(	unsigned char *	to,
		unsigned	maxSize,
		afterGettingFunc *	afterGettingFunc,
		void *	afterGettingClientData,
		onCloseFunc *	onCloseFunc,
		void *	onCloseClientData
	)			`[inherited]`

Definition at line 57 of file FramedSource.cpp.

References FramedSource::doGetNextFrame(), Medium::envir(), FramedSource::fAfterGettingClientData, FramedSource::fAfterGettingFunc, FramedSource::fDurationInMicroseconds, FramedSource::fIsCurrentlyAwaitingData, FramedSource::fMaxSize, FramedSource::fNumTruncatedBytes, FramedSource::fOnCloseClientData, FramedSource::fOnCloseFunc, FramedSource::fTo, UsageEnvironment::internalError(), and True.

00061                                                          {
00062   // Make sure we're not already being read:
00063   if (fIsCurrentlyAwaitingData) {
00064     envir() << "FramedSource[" << this << "]::getNextFrame(): attempting to read more than once at the same time!\n";
00065     envir().internalError();
00066   }
00067 
00068   fTo = to;
00069   fMaxSize = maxSize;
00070   fNumTruncatedBytes = 0; // by default; could be changed by doGetNextFrame()
00071   fDurationInMicroseconds = 0; // by default; could be changed by doGetNextFrame()
00072   fAfterGettingFunc = afterGettingFunc;
00073   fAfterGettingClientData = afterGettingClientData;
00074   fOnCloseFunc = onCloseFunc;
00075   fOnCloseClientData = onCloseClientData;
00076   fIsCurrentlyAwaitingData = True;
00077 
00078   doGetNextFrame();
00079 }

void FramedSource::handleClosure ( void * clientData ) [static, inherited]

Definition at line 95 of file FramedSource.cpp.

References False, FramedSource::fIsCurrentlyAwaitingData, FramedSource::fOnCloseClientData, FramedSource::fOnCloseFunc, and NULL.

00095                                                  {
00096   FramedSource* source = (FramedSource*)clientData;
00097   source->fIsCurrentlyAwaitingData = False; // because we got a close instead
00098   if (source->fOnCloseFunc != NULL) {
00099     (*(source->fOnCloseFunc))(source->fOnCloseClientData);
00100   }
00101 }

void FramedSource::stopGettingFrames ( ) [inherited]

Definition at line 103 of file FramedSource.cpp.

References FramedSource::doStopGettingFrames(), False, and FramedSource::fIsCurrentlyAwaitingData.

Referenced by FileSink::afterGettingFrame(), StreamReplicator::deactivateStreamReplica(), QCELPDeinterleaver::doStopGettingFrames(), MPEG2TransportStreamFromPESSource::doStopGettingFrames(), FramedFilter::doStopGettingFrames(), AMRDeinterleaver::doStopGettingFrames(), and MediaSink::stopPlaying().

00103                                      {
00104   fIsCurrentlyAwaitingData = False; // indicates that we can be read again
00105 
00106   // Perform any specialized action now:
00107   doStopGettingFrames();
00108 }

unsigned FramedSource::maxFrameSize ( ) const [virtual, inherited]

Reimplemented in MPEG1or2DemuxedElementaryStream.

Definition at line 116 of file FramedSource.cpp.

Referenced by StreamParser::ensureValidBytes1().

00116                                           {
00117   // By default, this source has no maximum frame size.
00118   return 0;
00119 }

Boolean FramedSource::isCurrentlyAwaitingData ( ) const [inline, inherited]

void FramedSource::afterGetting ( FramedSource * source ) [static, inherited]

Definition at line 81 of file FramedSource.cpp.

References FramedSource::fAfterGettingClientData, FramedSource::fAfterGettingFunc, False, FramedSource::fDurationInMicroseconds, FramedSource::fFrameSize, FramedSource::fIsCurrentlyAwaitingData, FramedSource::fNumTruncatedBytes, FramedSource::fPresentationTime, and NULL.

00081                                                     {
00082   source->fIsCurrentlyAwaitingData = False;
00083       // indicates that we can be read again
00084       // Note that this needs to be done here, in case the "fAfterFunc"
00085       // called below tries to read another frame (which it usually will)
00086 
00087   if (source->fAfterGettingFunc != NULL) {
00088     (*(source->fAfterGettingFunc))(source->fAfterGettingClientData,
00089                                    source->fFrameSize, source->fNumTruncatedBytes,
00090                                    source->fPresentationTime,
00091                                    source->fDurationInMicroseconds);
00092   }
00093 }

void MediaSource::getAttributes ( ) const [virtual, inherited]

Reimplemented in FramedFilter, MP3ADUTranscoder, MP3FileSource, and RTPSource.

Definition at line 82 of file MediaSource.cpp.

References Medium::envir(), and UsageEnvironment::setResultMsg().

Referenced by MP3ADUTranscoder::getAttributes(), and FramedFilter::getAttributes().

00082                                       {
00083   // Default implementation
00084   envir().setResultMsg("");
00085 }

char const * MediaSource::MIMEtype ( ) const [virtual, inherited]

Reimplemented in RawAMRRTPSource, AC3AudioRTPSource, AMRAudioSource, DVVideoRTPSource, FramedFilter, H261VideoRTPSource, H263plusVideoRTPSource, H264VideoRTPSource, JPEGVideoRTPSource, ADUFromMP3Source, MP3FromADUSource, MP3ADURTPSource, MP3FileSource, MPEG1or2AudioRTPSource, MPEG1or2DemuxedElementaryStream, MPEG1or2VideoRTPSource, MPEG4ESVideoRTPSource, MPEG4GenericRTPSource, MPEG4LATMAudioRTPSource, QuickTimeGenericRTPSource, SimpleRTPSource, VorbisAudioRTPSource, VP8VideoRTPSource, MatroskaDemuxedTrack, and RawQCELPRTPSource.

Definition at line 36 of file MediaSource.cpp.

Referenced by MP3ADUTranscoder::createNew(), MP3FromADUSource::createNew(), ADUFromMP3Source::createNew(), MP3ADUinterleaverBase::getInputSource(), MediaSession::initiateByMediaType(), SimpleRTPSource::MIMEtype(), QuickTimeGenericRTPSource::MIMEtype(), FramedFilter::MIMEtype(), and MPEG1or2DemuxedElementaryStream::MPEG1or2DemuxedElementaryStream().

00036                                         {
00037   return "application/OCTET-STREAM"; // default type
00038 }

Boolean MediaSource::isRTPSource ( ) const [virtual, inherited]

Reimplemented in RTPSource.

Definition at line 43 of file MediaSource.cpp.

References False.

Referenced by RTPSource::lookupByName().

00043                                        {
00044   return False; // default implementation
00045 }

Boolean MediaSource::isMPEG1or2VideoStreamFramer ( ) const [virtual, inherited]

Reimplemented in MPEG1or2VideoStreamFramer.

Definition at line 46 of file MediaSource.cpp.

References False.

Referenced by MPEG1or2VideoRTPSink::sourceIsCompatibleWithUs().

00046                                                        {
00047   return False; // default implementation
00048 }

Boolean MediaSource::isMPEG4VideoStreamFramer ( ) const [virtual, inherited]

Reimplemented in MPEG4VideoStreamFramer.

Definition at line 49 of file MediaSource.cpp.

References False.

Referenced by MPEG4ESVideoRTPSink::sourceIsCompatibleWithUs().

00049                                                     {
00050   return False; // default implementation
00051 }

Boolean MediaSource::isH264VideoStreamFramer ( ) const [virtual, inherited]

Reimplemented in H264VideoStreamFramer.

Definition at line 52 of file MediaSource.cpp.

References False.

Referenced by H264VideoRTPSink::sourceIsCompatibleWithUs().

00052                                                    {
00053   return False; // default implementation
00054 }

Boolean MediaSource::isDVVideoStreamFramer ( ) const [virtual, inherited]

Reimplemented in DVVideoStreamFramer.

Definition at line 55 of file MediaSource.cpp.

References False.

Referenced by DVVideoRTPSink::sourceIsCompatibleWithUs().

00055                                                  {
00056   return False; // default implementation
00057 }

Boolean MediaSource::isJPEGVideoSource ( ) const [virtual, inherited]

Reimplemented in JPEGVideoSource.

Definition at line 58 of file MediaSource.cpp.

References False.

Referenced by JPEGVideoRTPSink::sourceIsCompatibleWithUs().

00058                                              {
00059   return False; // default implementation
00060 }

Boolean MediaSource::isAMRAudioSource ( ) const [virtual, inherited]

Reimplemented in AMRAudioSource.

Definition at line 61 of file MediaSource.cpp.

References False.

Referenced by AMRAudioRTPSink::sourceIsCompatibleWithUs(), and AMRAudioFileSink::sourceIsCompatibleWithUs().

00061                                             {
00062   return False; // default implementation
00063 }

void Medium::close	(	UsageEnvironment &	env,
		char const *	mediumName
	)			`[static, inherited]`

Definition at line 52 of file Media.cpp.

References env, MediaLookupTable::ourMedia(), and MediaLookupTable::remove().

00052                                                           {
00053   MediaLookupTable::ourMedia(env)->remove(name);
00054 }

void Medium::close ( Medium * medium ) [static, inherited]

Definition at line 56 of file Media.cpp.

References Medium::close(), Medium::envir(), Medium::name(), and NULL.

00056                                  {
00057   if (medium == NULL) return;
00058 
00059   close(medium->envir(), medium->name());
00060 }

UsageEnvironment& Medium::envir ( ) const [inline, inherited]

Definition at line 59 of file Media.hh.

References Medium::fEnviron.

00059 {return fEnviron;}

char const* Medium::name ( ) const [inline, inherited]

Definition at line 61 of file Media.hh.

References Medium::fMediumName.

Referenced by QuickTimeFileSink::addAtom_hdlr2(), Medium::close(), MP3ADUTranscoder::createNew(), MP3FromADUSource::createNew(), ADUFromMP3Source::createNew(), and MP3FileSource::initializeStream().

00061 {return fMediumName;}

Boolean Medium::isSink ( ) const [virtual, inherited]

Reimplemented in MediaSink.

Definition at line 66 of file Media.cpp.

References False.

Referenced by MediaSink::lookupByName().

00066                              {
00067   return False; // default implementation
00068 }

Boolean Medium::isRTCPInstance ( ) const [virtual, inherited]

Reimplemented in RTCPInstance.

Definition at line 70 of file Media.cpp.

References False.

Referenced by RTCPInstance::lookupByName().

00070                                      {
00071   return False; // default implementation
00072 }

Boolean Medium::isRTSPClient ( ) const [virtual, inherited]

Reimplemented in RTSPClient.

Definition at line 74 of file Media.cpp.

References False.

Referenced by RTSPClient::lookupByName().

00074                                    {
00075   return False; // default implementation
00076 }

Boolean Medium::isRTSPServer ( ) const [virtual, inherited]

Reimplemented in RTSPServer.

Definition at line 78 of file Media.cpp.

References False.

Referenced by RTSPServer::lookupByName().

00078                                    {
00079   return False; // default implementation
00080 }

Boolean Medium::isMediaSession ( ) const [virtual, inherited]

Reimplemented in MediaSession.

Definition at line 82 of file Media.cpp.

References False.

Referenced by MediaSession::lookupByName().

00082                                      {
00083   return False; // default implementation
00084 }

Boolean Medium::isServerMediaSession ( ) const [virtual, inherited]

Reimplemented in ServerMediaSession.

Definition at line 86 of file Media.cpp.

References False.

Referenced by ServerMediaSession::lookupByName().

00086                                            {
00087   return False; // default implementation
00088 }

Boolean Medium::isDarwinInjector ( ) const [virtual, inherited]

Reimplemented in DarwinInjector.

Definition at line 90 of file Media.cpp.

References False.

Referenced by DarwinInjector::lookupByName().

00090                                        {
00091   return False; // default implementation
00092 }

TaskToken& Medium::nextTask ( ) [inline, protected, inherited]

Definition at line 78 of file Media.hh.

References Medium::fNextTask.

Referenced by BasicUDPSink::afterGettingFrame1(), MPEG4VideoFileServerMediaSubsession::afterPlayingDummy1(), H264VideoFileServerMediaSubsession::afterPlayingDummy1(), MPEG4VideoFileServerMediaSubsession::checkForAuxSDPLine1(), H264VideoFileServerMediaSubsession::checkForAuxSDPLine1(), MP3FileSource::doGetNextFrame(), AMRAudioFileSource::doGetNextFrame(), ADTSAudioFileSource::doGetNextFrame(), MultiFramedRTPSource::doGetNextFrame1(), WAVAudioFileSource::doReadFromFile(), doReadFromFile(), MultiFramedRTPSource::doStopGettingFrames(), FramedSource::doStopGettingFrames(), doStopGettingFrames(), RTCPInstance::reschedule(), RTCPInstance::schedule(), MultiFramedRTPSink::sendPacketIfNecessary(), and MediaSink::stopPlaying().

00078                         {
00079         return fNextTask;
00080   }

friend class MediaLookupTable [friend, inherited]

Definition at line 74 of file Media.hh.

u_int64_t ByteStreamFileSource::fFileSize [protected]

Definition at line 70 of file ByteStreamFileSource.hh.

Referenced by createNew(), and fileSize().

unsigned ByteStreamFileSource::fPreferredFrameSize [private]

Definition at line 73 of file ByteStreamFileSource.hh.

Referenced by doReadFromFile().

unsigned ByteStreamFileSource::fPlayTimePerFrame [private]

Definition at line 74 of file ByteStreamFileSource.hh.

Referenced by doReadFromFile().

Boolean ByteStreamFileSource::fFidIsSeekable [private]

Definition at line 75 of file ByteStreamFileSource.hh.

Referenced by ByteStreamFileSource(), and doReadFromFile().

unsigned ByteStreamFileSource::fLastPlayTime [private]

Definition at line 76 of file ByteStreamFileSource.hh.

Referenced by doReadFromFile().

Boolean ByteStreamFileSource::fHaveStartedReading [private]

Definition at line 77 of file ByteStreamFileSource.hh.

Referenced by doGetNextFrame(), and doStopGettingFrames().

Boolean ByteStreamFileSource::fLimitNumBytesToStream [private]

Definition at line 78 of file ByteStreamFileSource.hh.

Referenced by doGetNextFrame(), doReadFromFile(), and seekToByteAbsolute().

u_int64_t ByteStreamFileSource::fNumBytesToStream [private]

Definition at line 79 of file ByteStreamFileSource.hh.

Referenced by doGetNextFrame(), doReadFromFile(), and seekToByteAbsolute().

FILE* FramedFileSource::fFid [protected, inherited]

Definition at line 34 of file FramedFileSource.hh.

Referenced by ByteStreamFileSource(), doGetNextFrame(), ADTSAudioFileSource::doGetNextFrame(), doReadFromFile(), doStopGettingFrames(), seekToByteAbsolute(), seekToByteRelative(), seekToEnd(), ADTSAudioFileSource::~ADTSAudioFileSource(), and ~ByteStreamFileSource().

unsigned char* FramedSource::fTo [protected, inherited]

Definition at line 74 of file FramedSource.hh.

Referenced by DVVideoStreamFramer::afterGettingFrame(), EndianSwap24::afterGettingFrame1(), EndianSwap16::afterGettingFrame1(), HostFromNetworkOrder16::afterGettingFrame1(), NetworkFromHostOrder16::afterGettingFrame1(), PCMFromuLawAudioSource::afterGettingFrame1(), uLawFromPCMAudioSource::afterGettingFrame1(), MPEG4VideoStreamDiscreteFramer::afterGettingFrame1(), MPEG2TransportStreamFramer::afterGettingFrame1(), MPEG1or2VideoStreamDiscreteFramer::afterGettingFrame1(), MP3ADUTranscoder::afterGettingFrame1(), H264VideoStreamDiscreteFramer::afterGettingFrame1(), MPEG2TransportStreamTrickModeFilter::attemptDeliveryToClient(), StreamReplica::copyReceivedFrame(), StreamReplicator::deactivateStreamReplica(), MPEG2TransportStreamMultiplexor::deliverDataToClient(), DeviceSource::deliverFrame(), T140IdleFilter::deliverFromBuffer(), MPEG2IFrameIndexFromTransportStream::deliverIndexRecord(), StreamReplicator::deliverReceivedFrame(), EndianSwap24::doGetNextFrame(), EndianSwap16::doGetNextFrame(), HostFromNetworkOrder16::doGetNextFrame(), NetworkFromHostOrder16::doGetNextFrame(), QCELPDeinterleaver::doGetNextFrame(), PresentationTimeSubsessionNormalizer::doGetNextFrame(), MultiFramedRTPSource::doGetNextFrame(), MPEGVideoStreamFramer::doGetNextFrame(), MPEG4VideoStreamDiscreteFramer::doGetNextFrame(), MPEG2TransportStreamFramer::doGetNextFrame(), MPEG1or2VideoStreamDiscreteFramer::doGetNextFrame(), MPEG1or2DemuxedElementaryStream::doGetNextFrame(), MPEG1or2AudioStreamFramer::doGetNextFrame(), H264VideoStreamDiscreteFramer::doGetNextFrame(), H264FUAFragmenter::doGetNextFrame(), H263plusVideoStreamFramer::doGetNextFrame(), DVVideoStreamFramer::doGetNextFrame(), ByteStreamMultiFileSource::doGetNextFrame(), ByteStreamMemoryBufferSource::doGetNextFrame(), AMRDeinterleaver::doGetNextFrame(), AMRAudioFileSource::doGetNextFrame(), ADTSAudioFileSource::doGetNextFrame(), AC3AudioStreamFramer::doGetNextFrame(), MultiFramedRTPSource::doGetNextFrame1(), MP3FileSource::doGetNextFrame1(), ADUFromMP3Source::doGetNextFrame1(), WAVAudioFileSource::doReadFromFile(), doReadFromFile(), DVVideoStreamFramer::DVVideoStreamFramer(), MP3FromADUSource::generateFrameFromHeadADU(), DVVideoStreamFramer::getAndDeliverData(), StreamReplicator::getNextFrame(), FramedSource::getNextFrame(), BasicUDPSource::incomingPacketHandler1(), MP3ADUdeinterleaver::releaseOutgoingFrame(), MP3ADUinterleaver::releaseOutgoingFrame(), and MatroskaDemuxedTrack::to().

unsigned FramedSource::fMaxSize [protected, inherited]

Definition at line 75 of file FramedSource.hh.

Referenced by MPEG1or2VideoStreamDiscreteFramer::afterGettingFrame1(), MP3ADUTranscoder::afterGettingFrame1(), StreamReplica::copyReceivedFrame(), StreamReplicator::deactivateStreamReplica(), MPEG2TransportStreamMultiplexor::deliverDataToClient(), DeviceSource::deliverFrame(), T140IdleFilter::deliverFromBuffer(), MPEG2IFrameIndexFromTransportStream::deliverIndexRecord(), StreamReplicator::deliverReceivedFrame(), EndianSwap24::doGetNextFrame(), EndianSwap16::doGetNextFrame(), HostFromNetworkOrder16::doGetNextFrame(), NetworkFromHostOrder16::doGetNextFrame(), PCMFromuLawAudioSource::doGetNextFrame(), uLawFromPCMAudioSource::doGetNextFrame(), QCELPDeinterleaver::doGetNextFrame(), PresentationTimeSubsessionNormalizer::doGetNextFrame(), MultiFramedRTPSource::doGetNextFrame(), MPEGVideoStreamFramer::doGetNextFrame(), MPEG4VideoStreamDiscreteFramer::doGetNextFrame(), MPEG2TransportStreamTrickModeFilter::doGetNextFrame(), MPEG2TransportStreamFramer::doGetNextFrame(), MPEG1or2VideoStreamDiscreteFramer::doGetNextFrame(), MPEG1or2DemuxedElementaryStream::doGetNextFrame(), MPEG1or2AudioStreamFramer::doGetNextFrame(), H264VideoStreamDiscreteFramer::doGetNextFrame(), H264FUAFragmenter::doGetNextFrame(), H263plusVideoStreamFramer::doGetNextFrame(), DVVideoStreamFramer::doGetNextFrame(), ByteStreamMultiFileSource::doGetNextFrame(), ByteStreamMemoryBufferSource::doGetNextFrame(), AMRDeinterleaver::doGetNextFrame(), AMRAudioFileSource::doGetNextFrame(), ADTSAudioFileSource::doGetNextFrame(), AC3AudioStreamFramer::doGetNextFrame(), MultiFramedRTPSource::doGetNextFrame1(), MP3FileSource::doGetNextFrame1(), ADUFromMP3Source::doGetNextFrame1(), WAVAudioFileSource::doReadFromFile(), doReadFromFile(), DVVideoStreamFramer::getAndDeliverData(), StreamReplicator::getNextFrame(), FramedSource::getNextFrame(), BasicUDPSource::incomingPacketHandler1(), MatroskaDemuxedTrack::maxSize(), MP3ADUdeinterleaver::releaseOutgoingFrame(), and MP3ADUinterleaver::releaseOutgoingFrame().

unsigned FramedSource::fFrameSize [protected, inherited]

Definition at line 76 of file FramedSource.hh.

unsigned FramedSource::fNumTruncatedBytes [protected, inherited]

Definition at line 77 of file FramedSource.hh.

struct timeval FramedSource::fPresentationTime [read, protected, inherited]

Definition at line 78 of file FramedSource.hh.

unsigned FramedSource::fDurationInMicroseconds [protected, inherited]

Definition at line 79 of file FramedSource.hh.


Public Types
typedef void(	afterGettingFunc )(void *clientData, unsigned frameSize, unsigned numTruncatedBytes, struct timeval presentationTime, unsigned durationInMicroseconds)
typedef void(	onCloseFunc )(void *clientData)
Public Member Functions
u_int64_t	fileSize () const
void	seekToByteAbsolute (u_int64_t byteNumber, u_int64_t numBytesToStream=0)
void	seekToByteRelative (int64_t offset)
void	seekToEnd ()
void	getNextFrame (unsigned char to, unsigned maxSize, afterGettingFunc afterGettingFunc, void afterGettingClientData, onCloseFunc onCloseFunc, void *onCloseClientData)
void	stopGettingFrames ()
virtual unsigned	maxFrameSize () const
Boolean	isCurrentlyAwaitingData () const
virtual void	getAttributes () const
virtual char const *	MIMEtype () const
virtual Boolean	isRTPSource () const
virtual Boolean	isMPEG1or2VideoStreamFramer () const
virtual Boolean	isMPEG4VideoStreamFramer () const
virtual Boolean	isH264VideoStreamFramer () const
virtual Boolean	isDVVideoStreamFramer () const
virtual Boolean	isJPEGVideoSource () const
virtual Boolean	isAMRAudioSource () const
UsageEnvironment &	envir () const
char const *	name () const
virtual Boolean	isSink () const
virtual Boolean	isRTCPInstance () const
virtual Boolean	isRTSPClient () const
virtual Boolean	isRTSPServer () const
virtual Boolean	isMediaSession () const
virtual Boolean	isServerMediaSession () const
virtual Boolean	isDarwinInjector () const
Static Public Member Functions
static ByteStreamFileSource *	createNew (UsageEnvironment &env, char const *fileName, unsigned preferredFrameSize=0, unsigned playTimePerFrame=0)
static ByteStreamFileSource *	createNew (UsageEnvironment &env, FILE *fid, unsigned preferredFrameSize=0, unsigned playTimePerFrame=0)
static Boolean	lookupByName (UsageEnvironment &env, char const sourceName, FramedSource &resultSource)
static Boolean	lookupByName (UsageEnvironment &env, char const sourceName, MediaSource &resultSource)
static Boolean	lookupByName (UsageEnvironment &env, char const mediumName, Medium &resultMedium)
static void	handleClosure (void *clientData)
static void	afterGetting (FramedSource *source)
static void	close (UsageEnvironment &env, char const *mediumName)
static void	close (Medium *medium)
Protected Member Functions
	ByteStreamFileSource (UsageEnvironment &env, FILE *fid, unsigned preferredFrameSize, unsigned playTimePerFrame)
virtual	~ByteStreamFileSource ()
void	doReadFromFile ()
TaskToken &	nextTask ()
Static Protected Member Functions
static void	fileReadableHandler (ByteStreamFileSource *source, int mask)
Protected Attributes
u_int64_t	fFileSize
FILE *	fFid
unsigned char *	fTo
unsigned	fMaxSize
unsigned	fFrameSize
unsigned	fNumTruncatedBytes
timeval	fPresentationTime
unsigned	fDurationInMicroseconds
Private Member Functions
virtual void	doGetNextFrame ()
virtual void	doStopGettingFrames ()
Private Attributes
unsigned	fPreferredFrameSize
unsigned	fPlayTimePerFrame
Boolean	fFidIsSeekable
unsigned	fLastPlayTime
Boolean	fHaveStartedReading
Boolean	fLimitNumBytesToStream
u_int64_t	fNumBytesToStream
Friends
class	MediaLookupTable

ByteStreamFileSource Class Reference

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Friends

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Field Documentation