live: T140IdleFilter 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.

T140IdleFilter::T140IdleFilter	(	UsageEnvironment &	env,
		FramedSource *	inputSource
	)

Definition at line 78 of file T140TextRTPSink.cpp.

References fBuffer, and fBufferSize.

00079   : FramedFilter(env, inputSource),
00080     fIdleTimerTask(NULL),
00081     fBufferSize(OutPacketBuffer::maxSize), fNumBufferedBytes(0) {
00082   fBuffer = new char[fBufferSize];
00083 }

T140IdleFilter::~T140IdleFilter ( ) [virtual]

Definition at line 85 of file T140TextRTPSink.cpp.

References FramedFilter::detachInputSource(), Medium::envir(), fBuffer, fIdleTimerTask, UsageEnvironment::taskScheduler(), and TaskScheduler::unscheduleDelayedTask().

00085                                 {
00086   envir().taskScheduler().unscheduleDelayedTask(fIdleTimerTask);
00087 
00088   delete[] fBuffer;
00089   detachInputSource(); // so that the subsequent ~FramedFilter() doesn't delete it
00090 }

void T140IdleFilter::doGetNextFrame ( ) [private, virtual]

Implements FramedSource.

Definition at line 94 of file T140TextRTPSink.cpp.

References afterGettingFrame(), deliverFromBuffer(), Medium::envir(), fBuffer, fBufferSize, fIdleTimerTask, FramedFilter::fInputSource, fNumBufferedBytes, FramedSource::getNextFrame(), handleIdleTimeout(), IDLE_TIMEOUT_MICROSECONDS, FramedSource::isCurrentlyAwaitingData(), NULL, onSourceClosure(), TaskScheduler::scheduleDelayedTask(), and UsageEnvironment::taskScheduler().

00094                                     {
00095   // First, see if we have buffered data that we can deliver:
00096   if (fNumBufferedBytes > 0) {
00097     deliverFromBuffer();
00098     return;
00099   }
00100 
00101   // We don't have any buffered data, so ask our input source for data (unless we've already done so).
00102   // But also set a timer to expire if this doesn't arrive promptly:
00103   fIdleTimerTask = envir().taskScheduler().scheduleDelayedTask(IDLE_TIMEOUT_MICROSECONDS, handleIdleTimeout, this);
00104   if (fInputSource != NULL && !fInputSource->isCurrentlyAwaitingData()) {
00105     fInputSource->getNextFrame((unsigned char*)fBuffer, fBufferSize, afterGettingFrame, this, onSourceClosure, this);
00106   }
00107 }

void T140IdleFilter::doStopGettingFrames ( ) [private, virtual]

Reimplemented from FramedFilter.

Definition at line 133 of file T140TextRTPSink.cpp.

References FramedFilter::doStopGettingFrames(), Medium::envir(), fIdleTimerTask, UsageEnvironment::taskScheduler(), and TaskScheduler::unscheduleDelayedTask().

00133                                          {
00134   // Cancel any pending idle timer:
00135   envir().taskScheduler().unscheduleDelayedTask(fIdleTimerTask);
00136 
00137   // And call the parent's implementation of this virtual function:
00138   FramedFilter::doStopGettingFrames();
00139 }

void T140IdleFilter::afterGettingFrame	(	void *	clientData,
		unsigned	frameSize,
		unsigned	numTruncatedBytes,
		struct timeval	presentationTime,
		unsigned	durationInMicroseconds
	)			`[static, private]`

Definition at line 109 of file T140TextRTPSink.cpp.

Referenced by doGetNextFrame().

00112                                                                         {
00113   ((T140IdleFilter*)clientData)->afterGettingFrame(frameSize, numTruncatedBytes, presentationTime, durationInMicroseconds);
00114 }

void T140IdleFilter::afterGettingFrame	(	unsigned	frameSize,
		unsigned	numTruncatedBytes,
		struct timeval	presentationTime,
		unsigned	durationInMicroseconds
	)			`[private]`

Definition at line 116 of file T140TextRTPSink.cpp.

References deliverFromBuffer(), Medium::envir(), fBufferedDataDurationInMicroseconds, fBufferedDataPresentationTime, fBufferedNumTruncatedBytes, fIdleTimerTask, fNumBufferedBytes, FramedSource::isCurrentlyAwaitingData(), UsageEnvironment::taskScheduler(), and TaskScheduler::unscheduleDelayedTask().

00119                                                                         {
00120   // First, cancel any pending idle timer:
00121   envir().taskScheduler().unscheduleDelayedTask(fIdleTimerTask);
00122 
00123   // Then note the new data that we have in our buffer:
00124   fNumBufferedBytes = frameSize;
00125   fBufferedNumTruncatedBytes = numTruncatedBytes;
00126   fBufferedDataPresentationTime = presentationTime;
00127   fBufferedDataDurationInMicroseconds = durationInMicroseconds;
00128 
00129   // Then, attempt to deliver this data.  (If we can't deliver it now, we'll do so the next time the reader asks for data.)
00130   if (isCurrentlyAwaitingData()) (void)deliverFromBuffer();
00131 }

void T140IdleFilter::handleIdleTimeout ( void * clientData ) [static, private]

Definition at line 141 of file T140TextRTPSink.cpp.

00141                                                        {
00142   ((T140IdleFilter*)clientData)->handleIdleTimeout();
00143 }

void T140IdleFilter::handleIdleTimeout ( ) [private]

Definition at line 145 of file T140TextRTPSink.cpp.

References deliverEmptyFrame().

Referenced by doGetNextFrame().

00145                                        {
00146   // No data has arrived from the upstream source within our specified 'idle period' (after data was requested from downstream).
00147   // Send an empty 'idle' frame to our downstream "T140TextRTPSink".  (This will cause an empty RTP packet to get sent.)
00148   deliverEmptyFrame();
00149 }

void T140IdleFilter::deliverFromBuffer ( ) [private]

Definition at line 151 of file T140TextRTPSink.cpp.

References FramedSource::afterGetting(), fBuffer, fBufferedDataDurationInMicroseconds, fBufferedDataPresentationTime, fBufferedNumTruncatedBytes, FramedSource::fDurationInMicroseconds, FramedSource::fFrameSize, FramedSource::fMaxSize, fNumBufferedBytes, FramedSource::fNumTruncatedBytes, FramedSource::fPresentationTime, and FramedSource::fTo.

Referenced by afterGettingFrame(), and doGetNextFrame().

00151                                        {
00152   if (fNumBufferedBytes <= fMaxSize) { // common case
00153     fNumTruncatedBytes = fBufferedNumTruncatedBytes;
00154     fFrameSize = fNumBufferedBytes;
00155   } else {
00156     fNumTruncatedBytes = fBufferedNumTruncatedBytes + fNumBufferedBytes - fMaxSize;
00157     fFrameSize = fMaxSize;
00158   }  
00159 
00160   memmove(fTo, fBuffer, fFrameSize);
00161   fPresentationTime = fBufferedDataPresentationTime;
00162   fDurationInMicroseconds = fBufferedDataDurationInMicroseconds;
00163 
00164   fNumBufferedBytes = 0; // reset buffer
00165   
00166   FramedSource::afterGetting(this); // complete delivery
00167 }

void T140IdleFilter::deliverEmptyFrame ( ) [private]

Definition at line 169 of file T140TextRTPSink.cpp.

References FramedSource::afterGetting(), FramedSource::fFrameSize, FramedSource::fNumTruncatedBytes, FramedSource::fPresentationTime, and NULL.

Referenced by handleIdleTimeout().

00169                                        {
00170   fFrameSize = fNumTruncatedBytes = 0;
00171   gettimeofday(&fPresentationTime, NULL);
00172   FramedSource::afterGetting(this); // complete delivery
00173 }

void T140IdleFilter::onSourceClosure ( void * clientData ) [static, private]

Definition at line 175 of file T140TextRTPSink.cpp.

00175                                                      {
00176   ((T140IdleFilter*)clientData)->onSourceClosure();
00177 }

void T140IdleFilter::onSourceClosure ( ) [private]

Definition at line 179 of file T140TextRTPSink.cpp.

References Medium::envir(), fIdleTimerTask, FramedSource::handleClosure(), NULL, UsageEnvironment::taskScheduler(), and TaskScheduler::unscheduleDelayedTask().

Referenced by doGetNextFrame().

00179                                      {
00180   envir().taskScheduler().unscheduleDelayedTask(fIdleTimerTask);
00181   fIdleTimerTask = NULL;
00182 
00183   FramedSource::handleClosure(this);
00184 }

FramedSource* FramedFilter::inputSource ( ) const [inline, inherited]

Definition at line 30 of file FramedFilter.hh.

References FramedFilter::fInputSource.

Referenced by AC3AudioStreamFramer::AC3AudioStreamFramer(), MediaSubsession::addFilter(), H264VideoRTPSink::auxSDPLine(), EndianSwap16::createNew(), HostFromNetworkOrder16::createNew(), NetworkFromHostOrder16::createNew(), PCMFromuLawAudioSource::createNew(), QCELPDeinterleaver::createNew(), MPEG4VideoStreamFramer::createNew(), MPEG4VideoStreamDiscreteFramer::createNew(), MPEG2IFrameIndexFromTransportStream::createNew(), MPEG1or2VideoStreamFramer::createNew(), MPEG1or2VideoStreamDiscreteFramer::createNew(), MPEG1or2AudioStreamFramer::createNew(), MP3Transcoder::createNew(), MP3ADUTranscoder::createNew(), MP3ADUdeinterleaver::createNew(), MP3ADUinterleaver::createNew(), MP3FromADUSource::createNew(), ADUFromMP3Source::createNew(), H264VideoStreamDiscreteFramer::createNew(), H263plusVideoStreamFramer::createNew(), DVVideoStreamFramer::createNew(), AC3AudioStreamFramer::createNew(), H264VideoRTPSink::doSpecialFrameHandling(), H264VideoFileServerMediaSubsession::getAuxSDPLine(), MP3AudioFileServerMediaSubsession::getBaseStreams(), MP3ADUinterleaverBase::getInputSource(), H263plusVideoStreamFramer::H263plusVideoStreamFramer(), MPEG1or2VideoStreamFramer::MPEG1or2VideoStreamFramer(), MPEG4VideoStreamFramer::MPEG4VideoStreamFramer(), H264VideoMatroskaFileServerMediaSubsession::seekStreamSource(), DVVideoFileServerMediaSubsession::seekStreamSource(), and ClientTrickPlayState::setSource().

00030 { return fInputSource; }

void FramedFilter::reassignInputSource ( FramedSource * newInputSource ) [inline, inherited]

Definition at line 32 of file FramedFilter.hh.

References FramedFilter::fInputSource.

Referenced by T140TextRTPSink::continuePlaying(), H264VideoRTPSink::continuePlaying(), and FramedFilter::detachInputSource().

00032 { fInputSource = newInputSource; }

void FramedFilter::detachInputSource ( ) [inline, inherited]

Definition at line 35 of file FramedFilter.hh.

References NULL, and FramedFilter::reassignInputSource().

Referenced by H264FUAFragmenter::~H264FUAFragmenter(), and ~T140IdleFilter().

00035 { reassignInputSource(NULL); }

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

Reimplemented from MediaSource.

Reimplemented in ADUFromMP3Source, and MP3FromADUSource.

Definition at line 39 of file FramedFilter.cpp.

References FramedFilter::fInputSource, MediaSource::MIMEtype(), and NULL.

00039                                          {
00040   if (fInputSource == NULL) return "";
00041 
00042   return fInputSource->MIMEtype();
00043 }

void FramedFilter::getAttributes ( ) const [protected, virtual, inherited]

Reimplemented from MediaSource.

Reimplemented in MP3ADUTranscoder.

Definition at line 45 of file FramedFilter.cpp.

References FramedFilter::fInputSource, MediaSource::getAttributes(), and NULL.

00045                                        {
00046   if (fInputSource != NULL) fInputSource->getAttributes();
00047 }

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 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 }

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().

Referenced by afterPlaying(), Medium::close(), closeMediaSinks(), OnDemandServerMediaSubsession::closeStreamSource(), continueAfterTEARDOWN(), WAVAudioFileSource::createNew(), QuickTimeFileSink::createNew(), QCELPAudioRTPSource::createNew(), MP3FileSource::createNew(), AVIFileSink::createNew(), AMRAudioRTPSource::createNew(), WAVAudioFileServerMediaSubsession::createNewStreamSource(), MPEG1or2DemuxedServerMediaSubsession::createNewStreamSource(), MediaSubsession::deInitiate(), RTSPServerSupportingHTTPStreaming::RTSPClientSessionSupportingHTTPStreaming::handleHTTPCmd_StreamingGET(), MediaSubsession::initiate(), MPEG1or2ProgramStreamFileDuration(), MPEG1or2Demux::noteElementaryStreamDeletion(), ByteStreamMultiFileSource::onSourceClosure1(), StreamState::reclaim(), RTSPServer::removeServerMediaSession(), OnDemandServerMediaSubsession::sdpLines(), shutdownStream(), subsessionAfterPlaying(), ClientTrickPlayState::updateStateOnScaleChange(), AMRDeinterleaver::~AMRDeinterleaver(), ByteStreamMultiFileSource::~ByteStreamMultiFileSource(), DarwinInjector::~DarwinInjector(), FramedFilter::~FramedFilter(), H264VideoRTPSink::~H264VideoRTPSink(), InputESSourceRecord::~InputESSourceRecord(), MatroskaFileParser::~MatroskaFileParser(), MatroskaFileServerDemux::~MatroskaFileServerDemux(), MPEG1or2Demux::~MPEG1or2Demux(), MPEG1or2FileServerDemux::~MPEG1or2FileServerDemux(), MPEG2TransportFileServerMediaSubsession::~MPEG2TransportFileServerMediaSubsession(), MPEG2TransportStreamFromPESSource::~MPEG2TransportStreamFromPESSource(), ProxyServerMediaSession::~ProxyServerMediaSession(), RTSPServerSupportingHTTPStreaming::RTSPClientSessionSupportingHTTPStreaming::~RTSPClientSessionSupportingHTTPStreaming(), ServerMediaSession::~ServerMediaSession(), ServerMediaSubsession::~ServerMediaSubsession(), StreamClientState::~StreamClientState(), StreamReplicator::~StreamReplicator(), and T140TextRTPSink::~T140TextRTPSink().

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]

friend class MediaLookupTable [friend, inherited]

Definition at line 74 of file Media.hh.

TaskToken T140IdleFilter::fIdleTimerTask [private]

Definition at line 95 of file T140TextRTPSink.hh.

Referenced by afterGettingFrame(), doGetNextFrame(), doStopGettingFrames(), onSourceClosure(), and ~T140IdleFilter().

unsigned T140IdleFilter::fBufferSize [private]

Definition at line 96 of file T140TextRTPSink.hh.

Referenced by doGetNextFrame(), and T140IdleFilter().

unsigned T140IdleFilter::fNumBufferedBytes [private]

Definition at line 96 of file T140TextRTPSink.hh.

Referenced by afterGettingFrame(), deliverFromBuffer(), and doGetNextFrame().

char* T140IdleFilter::fBuffer [private]

Definition at line 97 of file T140TextRTPSink.hh.

Referenced by deliverFromBuffer(), doGetNextFrame(), T140IdleFilter(), and ~T140IdleFilter().

unsigned T140IdleFilter::fBufferedNumTruncatedBytes [private]

Definition at line 98 of file T140TextRTPSink.hh.

Referenced by afterGettingFrame(), and deliverFromBuffer().

struct timeval T140IdleFilter::fBufferedDataPresentationTime [read, private]

Definition at line 99 of file T140TextRTPSink.hh.

Referenced by afterGettingFrame(), and deliverFromBuffer().

unsigned T140IdleFilter::fBufferedDataDurationInMicroseconds [private]

Definition at line 100 of file T140TextRTPSink.hh.

Referenced by afterGettingFrame(), and deliverFromBuffer().

FramedSource* FramedFilter::fInputSource [protected, inherited]

Definition at line 49 of file FramedFilter.hh.

Referenced by QCELPDeinterleaver::afterGettingFrame1(), MPEG2TransportStreamFramer::afterGettingFrame1(), MPEG2TransportStreamFramer::changeInputSource(), EndianSwap16::doGetNextFrame(), HostFromNetworkOrder16::doGetNextFrame(), NetworkFromHostOrder16::doGetNextFrame(), PCMFromuLawAudioSource::doGetNextFrame(), uLawFromPCMAudioSource::doGetNextFrame(), doGetNextFrame(), QCELPDeinterleaver::doGetNextFrame(), MPEG4VideoStreamDiscreteFramer::doGetNextFrame(), MPEG2TransportStreamFramer::doGetNextFrame(), MPEG2IFrameIndexFromTransportStream::doGetNextFrame(), MPEG1or2VideoStreamDiscreteFramer::doGetNextFrame(), MP3ADUTranscoder::doGetNextFrame(), MP3ADUdeinterleaver::doGetNextFrame(), MP3ADUinterleaver::doGetNextFrame(), MP3FromADUSource::doGetNextFrame(), ADUFromMP3Source::doGetNextFrame(), H264VideoStreamDiscreteFramer::doGetNextFrame(), H264FUAFragmenter::doGetNextFrame(), QCELPDeinterleaver::doStopGettingFrames(), FramedFilter::doStopGettingFrames(), MPEG2TransportStreamTrickModeFilter::forgetInputSource(), DVVideoStreamFramer::getAndDeliverData(), MP3ADUTranscoder::getAttributes(), FramedFilter::getAttributes(), DVVideoStreamFramer::getProfile(), FramedFilter::inputSource(), FramedFilter::MIMEtype(), MPEG2TransportStreamTrickModeFilter::readTransportPacket(), FramedFilter::reassignInputSource(), MPEG2TransportStreamTrickModeFilter::seekToTransportPacket(), and FramedFilter::~FramedFilter().

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

Definition at line 74 of file FramedSource.hh.

unsigned FramedSource::fMaxSize [protected, inherited]

Definition at line 75 of file FramedSource.hh.

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
	T140IdleFilter (UsageEnvironment &env, FramedSource *inputSource)
virtual	~T140IdleFilter ()
FramedSource *	inputSource () const
void	reassignInputSource (FramedSource *newInputSource)
void	detachInputSource ()
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 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 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
virtual char const *	MIMEtype () const
virtual void	getAttributes () const
TaskToken &	nextTask ()
Protected Attributes
FramedSource *	fInputSource
unsigned char *	fTo
unsigned	fMaxSize
unsigned	fFrameSize
unsigned	fNumTruncatedBytes
timeval	fPresentationTime
unsigned	fDurationInMicroseconds
Private Member Functions
virtual void	doGetNextFrame ()
virtual void	doStopGettingFrames ()
void	afterGettingFrame (unsigned frameSize, unsigned numTruncatedBytes, struct timeval presentationTime, unsigned durationInMicroseconds)
void	handleIdleTimeout ()
void	deliverFromBuffer ()
void	deliverEmptyFrame ()
void	onSourceClosure ()
Static Private Member Functions
static void	afterGettingFrame (void *clientData, unsigned frameSize, unsigned numTruncatedBytes, struct timeval presentationTime, unsigned durationInMicroseconds)
static void	handleIdleTimeout (void *clientData)
static void	onSourceClosure (void *clientData)
Private Attributes
TaskToken	fIdleTimerTask
unsigned	fBufferSize
unsigned	fNumBufferedBytes
char *	fBuffer
unsigned	fBufferedNumTruncatedBytes
timeval	fBufferedDataPresentationTime
unsigned	fBufferedDataDurationInMicroseconds
Friends
class	MediaLookupTable

T140IdleFilter Class Reference

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Static Private Member Functions

Private Attributes

Friends

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Field Documentation