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,
		Boolean	deleteFidOnClose,
		unsigned	preferredFrameSize,
		unsigned	playTimePerFrame
	)			`[protected]`

Definition at line 80 of file ByteStreamFileSource.cpp.

Referenced by createNew().

00084   : FramedFileSource(env, fid), fPreferredFrameSize(preferredFrameSize),
00085     fPlayTimePerFrame(playTimePerFrame), fLastPlayTime(0), fFileSize(0),
00086     fDeleteFidOnClose(deleteFidOnClose), fHaveStartedReading(False) {
00087 }

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

Definition at line 89 of file ByteStreamFileSource.cpp.

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

00089                                             {
00090   if (fFid == NULL) return;
00091 
00092 #ifndef READ_FROM_FILES_SYNCHRONOUSLY
00093   envir().taskScheduler().turnOffBackgroundReadHandling(fileno(fFid));
00094 #endif
00095 
00096   if (fDeleteFidOnClose) fclose(fFid);
00097 }

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

Definition at line 42 of file ByteStreamFileSource.cpp.

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

Referenced by MPEG4VideoFileServerMediaSubsession::createNewStreamSource(), MPEG2TransportFileServerMediaSubsession::createNewStreamSource(), MPEG1or2VideoFileServerMediaSubsession::createNewStreamSource(), H263plusVideoFileServerMediaSubsession::createNewStreamSource(), ByteStreamMultiFileSource::doGetNextFrame(), main(), MPEG1or2ProgramStreamFileDuration(), and MPEG1or2FileServerDemux::newElementaryStream().

00044                                                            {
00045   FILE* fid = OpenInputFile(env, fileName);
00046   if (fid == NULL) return NULL;
00047 
00048   Boolean deleteFidOnClose = fid == stdin ? False : True;
00049   ByteStreamFileSource* newSource
00050     = new ByteStreamFileSource(env, fid, deleteFidOnClose,
00051                                preferredFrameSize, playTimePerFrame);
00052   newSource->fFileSize = GetFileSize(fileName, fid);
00053 
00054   return newSource;
00055 }

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

Definition at line 58 of file ByteStreamFileSource.cpp.

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

00061                                                            {
00062   if (fid == NULL) return NULL;
00063 
00064   ByteStreamFileSource* newSource
00065     = new ByteStreamFileSource(env, fid, deleteFidOnClose,
00066                                preferredFrameSize, playTimePerFrame);
00067   newSource->fFileSize = GetFileSize(NULL, fid);
00068 
00069   return newSource;
00070 }

u_int64_t ByteStreamFileSource::fileSize ( ) const [inline]

Definition at line 45 of file ByteStreamFileSource.hh.

References fFileSize.

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

00045 { return fFileSize; }

void ByteStreamFileSource::seekToByteAbsolute ( u_int64_t byteNumber )

Definition at line 72 of file ByteStreamFileSource.cpp.

References FramedFileSource::fFid, and SeekFile64().

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

00072                                                                   {
00073   SeekFile64(fFid, (int64_t)byteNumber, SEEK_SET);
00074 }

void ByteStreamFileSource::seekToByteRelative ( int64_t offset )

Definition at line 76 of file ByteStreamFileSource.cpp.

References FramedFileSource::fFid, and SeekFile64().

00076                                                             {
00077   SeekFile64(fFid, offset, SEEK_CUR);
00078 }

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

Definition at line 124 of file ByteStreamFileSource.cpp.

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

Referenced by doGetNextFrame().

00124                                                                                          {
00125   if (!source->isCurrentlyAwaitingData()) {
00126     source->doStopGettingFrames(); // we're not ready for the data yet
00127     return;
00128   }
00129   source->doReadFromFile();
00130 }

void ByteStreamFileSource::doReadFromFile ( ) [protected]

Definition at line 132 of file ByteStreamFileSource.cpp.

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

Referenced by doGetNextFrame(), and fileReadableHandler().

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

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

Implements FramedSource.

Definition at line 99 of file ByteStreamFileSource.cpp.

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

00099                                           {
00100   if (feof(fFid) || ferror(fFid)) {
00101     handleClosure(this);
00102     return;
00103   }
00104 
00105 #ifdef READ_FROM_FILES_SYNCHRONOUSLY
00106   doReadFromFile();
00107 #else
00108   if (!fHaveStartedReading) {
00109     // Await readable data from the file:
00110     envir().taskScheduler().turnOnBackgroundReadHandling(fileno(fFid),
00111                (TaskScheduler::BackgroundHandlerProc*)&fileReadableHandler, this);
00112     fHaveStartedReading = True;
00113   }
00114 #endif
00115 }

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

Reimplemented from FramedSource.

Definition at line 117 of file ByteStreamFileSource.cpp.

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

Referenced by fileReadableHandler().

00117                                                {
00118 #ifndef READ_FROM_FILES_SYNCHRONOUSLY
00119   envir().taskScheduler().turnOffBackgroundReadHandling(fileno(fFid));
00120   fHaveStartedReading = False;
00121 #endif
00122 }

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 62 of file MediaSource.cpp.

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

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

00064                                                               {
00065   resultSource = NULL; // unless we succeed
00066 
00067   Medium* medium;
00068   if (!Medium::lookupByName(env, sourceName, medium)) return False;
00069 
00070   if (!medium->isSource()) {
00071     env.setResultMsg(sourceName, " is not a media source");
00072     return False;
00073   }
00074 
00075   resultSource = (MediaSource*)medium;
00076   return True;
00077 }

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

Definition at line 65 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().

00066                                                          {
00067   resultMedium = MediaLookupTable::ourMedia(env)->lookup(mediumName);
00068   if (resultMedium == NULL) {
00069     env.setResultMsg("Medium ", mediumName, " does not exist");
00070     return False;
00071   }
00072 
00073   return True;
00074 }

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, 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     exit(1);
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 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]

Definition at line 60 of file FramedSource.hh.

References FramedSource::fIsCurrentlyAwaitingData.

Referenced by afterPlaying(), InputESSourceRecord::askForNewData(), MPEG2TransportStreamFromESSource::awaitNewBuffer(), QuickTimeFileSink::continuePlaying(), AVIFileSink::continuePlaying(), DeviceSource::deliverFrame(), QCELPDeinterleaver::doGetNextFrame(), AMRDeinterleaver::doGetNextFrame(), fileReadableHandler(), and BasicUDPSource::incomingPacketHandler1().

00060 {return fIsCurrentlyAwaitingData;}

void FramedSource::afterGetting ( FramedSource * source ) [static, protected, 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 79 of file MediaSource.cpp.

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

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

00079                                       {
00080   // Default implementation
00081   envir().setResultMsg("");
00082 }

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

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

Definition at line 36 of file MediaSource.cpp.

Referenced by HTTPSink::continuePlaying(), 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::isJPEGVideoSource ( ) const [virtual, inherited]

Reimplemented in JPEGVideoSource.

Definition at line 55 of file MediaSource.cpp.

References False.

Referenced by JPEGVideoRTPSink::sourceIsCompatibleWithUs().

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

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

Reimplemented in AMRAudioSource.

Definition at line 58 of file MediaSource.cpp.

References False.

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

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

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

Definition at line 76 of file Media.cpp.

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

00076                                                           {
00077   MediaLookupTable::ourMedia(env)->remove(name);
00078 }

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

Definition at line 80 of file Media.cpp.

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

00080                                  {
00081   if (medium == NULL) return;
00082 
00083   close(medium->envir(), medium->name());
00084 }

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

Definition at line 59 of file Media.hh.

References Medium::fEnviron.

Referenced by QuickTimeFileSink::addArbitraryString(), FileSink::addData(), MPEG2IFrameIndexFromTransportStream::addToTail(), StreamParser::afterGettingBytes(), MultiFramedRTPSink::afterGettingFrame1(), InputESSourceRecord::afterGettingFrame1(), MPEG2TransportStreamFramer::afterGettingFrame1(), MPEG2IFrameIndexFromTransportStream::afterGettingFrame1(), HTTPSink::afterGettingFrame1(), BasicUDPSink::afterGettingFrame1(), MPEG4VideoFileServerMediaSubsession::afterPlayingDummy1(), MPEG4VideoStreamParser::analyzeVOLHeader(), RTSPClient::announceSDPDescription(), announceStream(), MPEG4VideoFileServerMediaSubsession::checkForAuxSDPLine1(), Medium::close(), MPEG2IFrameIndexFromTransportStream::compactParseBuffer(), QuickTimeFileSink::continuePlaying(), HTTPSink::continuePlaying(), H264VideoRTPSin


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)
void	seekToByteRelative (int64_t offset)
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	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, Boolean deleteFidOnClose=False, 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	close (UsageEnvironment &env, char const *mediumName)
static void	close (Medium *medium)
Protected Member Functions
	ByteStreamFileSource (UsageEnvironment &env, FILE *fid, Boolean deleteFidOnClose, unsigned preferredFrameSize, unsigned playTimePerFrame)
virtual	~ByteStreamFileSource ()
void	doReadFromFile ()
TaskToken &	nextTask ()
Static Protected Member Functions
static void	fileReadableHandler (ByteStreamFileSource *source, int mask)
static void	afterGetting (FramedSource *source)
Protected Attributes
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
unsigned	fLastPlayTime
u_int64_t	fFileSize
Boolean	fDeleteFidOnClose
Boolean	fHaveStartedReading

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

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation