live: MPEG2TransportStreamTrickModeFilter 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.

anonymous enum [private]

Enumerator:

SKIPPING_FRAME
DELIVERING_SAVED_FRAME
SAVING_AND_DELIVERING_FRAME

Definition at line 81 of file MPEG2TransportStreamTrickModeFilter.hh.

00081        {
00082     SKIPPING_FRAME,
00083     DELIVERING_SAVED_FRAME,
00084     SAVING_AND_DELIVERING_FRAME
00085   } fState;

MPEG2TransportStreamTrickModeFilter::MPEG2TransportStreamTrickModeFilter	(	UsageEnvironment &	env,
		FramedSource *	inputSource,
		MPEG2TransportStreamIndexFile *	indexFile,
		int	scale
	)			`[protected]`

Definition at line 42 of file MPEG2TransportStreamTrickModeFilter.cpp.

00044   : FramedFilter(env, inputSource),
00045     fHaveStarted(False), fIndexFile(indexFile), fScale(scale), fDirection(1),
00046     fState(SKIPPING_FRAME), fFrameCount(0),
00047     fNextIndexRecordNum(0), fNextTSPacketNum(0),
00048     fCurrentTSPacketNum((unsigned long)(-1)), fUseSavedFrameNextTime(False) {
00049   if (fScale < 0) { // reverse play
00050     fScale = -fScale;
00051     fDirection = -1;
00052   }
00053 }

MPEG2TransportStreamTrickModeFilter::~MPEG2TransportStreamTrickModeFilter ( ) [protected, virtual]

Definition at line 55 of file MPEG2TransportStreamTrickModeFilter.cpp.

00055                                                                           {
00056 }

MPEG2TransportStreamTrickModeFilter * MPEG2TransportStreamTrickModeFilter::createNew	(	UsageEnvironment &	env,
		FramedSource *	inputSource,
		MPEG2TransportStreamIndexFile *	indexFile,
		int	scale
	)			`[static]`

Definition at line 36 of file MPEG2TransportStreamTrickModeFilter.cpp.

References env.

Referenced by main(), and ClientTrickPlayState::updateStateOnScaleChange().

00037                                                                  {
00038   return new MPEG2TransportStreamTrickModeFilter(env, inputSource, indexFile, scale);
00039 }

Boolean MPEG2TransportStreamTrickModeFilter::seekTo	(	unsigned long	tsPacketNumber,
		unsigned long	indexRecordNumber
	)

Definition at line 58 of file MPEG2TransportStreamTrickModeFilter.cpp.

References fNextIndexRecordNum, seekToTransportPacket(), and True.

Referenced by main(), and ClientTrickPlayState::updateStateOnScaleChange().

00059                                                                                      {
00060   seekToTransportPacket(tsPacketNumber);
00061   fNextIndexRecordNum = indexRecordNumber;
00062   return True;
00063 }

unsigned long MPEG2TransportStreamTrickModeFilter::nextIndexRecordNum ( ) const [inline]

Definition at line 46 of file MPEG2TransportStreamTrickModeFilter.hh.

References fNextIndexRecordNum.

Referenced by ClientTrickPlayState::updateStateOnPlayChange().

00046 { return fNextIndexRecordNum; }

void MPEG2TransportStreamTrickModeFilter::forgetInputSource ( ) [inline]

Definition at line 48 of file MPEG2TransportStreamTrickModeFilter.hh.

References FramedFilter::fInputSource, and NULL.

Referenced by ClientTrickPlayState::updateStateOnScaleChange().

00048 { fInputSource = NULL; }

void MPEG2TransportStreamTrickModeFilter::doGetNextFrame ( ) [private, virtual]

Implements FramedSource.

Definition at line 69 of file MPEG2TransportStreamTrickModeFilter.cpp.

References FramedSource::afterGetting(), attemptDeliveryToClient(), DELIVERING_SAVED_FRAME, False, fDesiredDataOffset, fDesiredDataPCR, fDesiredDataSize, fDesiredTSPacketNum, fDirection, fFirstPCR, fFrameCount, FramedSource::fFrameSize, fHaveStarted, fIndexFile, FramedSource::fMaxSize, fNextIndexRecordNum, fSavedFrameIndexRecordStart, fSavedSequentialIndexRecordNum, fScale, fState, fUseSavedFrameNextTime, isIFrameStart, isNonIFrameStart, KEEP_ORIGINAL_FRAME_RATE, onSourceClosure1(), MPEG2TransportStreamIndexFile::readIndexRecordValues(), SAVING_AND_DELIVERING_FRAME, SKIPPING_FRAME, TRANSPORT_PACKET_SIZE, and True.

00069                                                          {
00070   //  fprintf(stderr, "#####DGNF1\n");
00071   // If our client's buffer size is too small, then deliver
00072   // a 0-byte 'frame', to tell it to process all of the data that it has
00073   // already read, before asking for more data from us:
00074   if (fMaxSize < TRANSPORT_PACKET_SIZE) {
00075     fFrameSize = 0;
00076     afterGetting(this);
00077     return;
00078   }
00079 
00080   while (1) {
00081     // Get the next record from our index file.
00082     // This tells us the type of frame this data is, which Transport Stream packet
00083     // (from the input source) the data comes from, and where in the Transport Stream
00084     // packet it comes from:
00085     u_int8_t recordType;
00086     float recordPCR;
00087     Boolean endOfIndexFile = False;
00088     if (!fIndexFile->readIndexRecordValues(fNextIndexRecordNum,
00089                                            fDesiredTSPacketNum, fDesiredDataOffset,
00090                                            fDesiredDataSize, recordPCR,
00091                                            recordType)) {
00092       // We ran off the end of the index file.  If we're not delivering a
00093       // pre-saved frame, then handle this the same way as if the
00094       // input Transport Stream source ended.
00095       if (fState != DELIVERING_SAVED_FRAME) {
00096         onSourceClosure1();
00097         return;
00098       }
00099       endOfIndexFile = True;
00100     } else if (!fHaveStarted) {
00101       fFirstPCR = recordPCR;
00102       fHaveStarted = True;
00103     }
00104     //    fprintf(stderr, "#####read index record %ld: ts %ld: %c, PCR %f\n", fNextIndexRecordNum, fDesiredTSPacketNum, isIFrameStart(recordType) ? 'I' : isNonIFrameStart(recordType) ? 'j' : 'x', recordPCR);
00105     fNextIndexRecordNum
00106       += (fState == DELIVERING_SAVED_FRAME) ? 1 : fDirection;
00107 
00108     // Handle this index record, depending on the record type and our current state:
00109     switch (fState) {
00110     case SKIPPING_FRAME:
00111     case SAVING_AND_DELIVERING_FRAME: {
00112       //      if (fState == SKIPPING_FRAME) fprintf(stderr, "\tSKIPPING_FRAME\n"); else fprintf(stderr, "\tSAVING_AND_DELIVERING_FRAME\n");//#####
00113       if (isIFrameStart(recordType)) {
00114         // Save a record of this frame:
00115         fSavedFrameIndexRecordStart = fNextIndexRecordNum - fDirection;
00116         fUseSavedFrameNextTime = True;
00117         //      fprintf(stderr, "\trecording\n");//#####
00118         if ((fFrameCount++)%fScale == 0 && fUseSavedFrameNextTime) {
00119           // A frame is due now.
00120           fFrameCount = 1; // reset to avoid overflow
00121           if (fDirection > 0) {
00122             // Begin delivering this frame, as we're scanning it:
00123             fState = SAVING_AND_DELIVERING_FRAME;
00124             //      fprintf(stderr, "\tdelivering\n");//#####
00125             fDesiredDataPCR = recordPCR; // use this frame's PCR
00126             attemptDeliveryToClient();
00127             return;
00128           } else {
00129             // Deliver this frame, then resume normal scanning:
00130             // (This relies on the index records having begun with an I-frame.)
00131             fState = DELIVERING_SAVED_FRAME;
00132             fSavedSequentialIndexRecordNum = fNextIndexRecordNum;
00133             fDesiredDataPCR = recordPCR;
00134             // use this frame's (not the saved frame's) PCR
00135             fNextIndexRecordNum = fSavedFrameIndexRecordStart;
00136             //      fprintf(stderr, "\tbeginning delivery of saved frame\n");//#####
00137           }
00138         } else {
00139           // No frame is needed now:
00140           fState = SKIPPING_FRAME;
00141         }
00142       } else if (isNonIFrameStart(recordType)) {
00143         if ((fFrameCount++)%fScale == 0 && fUseSavedFrameNextTime) {
00144           // A frame is due now, so begin delivering the one that we had saved:
00145           // (This relies on the index records having begun with an I-frame.)
00146           fFrameCount = 1; // reset to avoid overflow
00147           fState = DELIVERING_SAVED_FRAME;
00148           fSavedSequentialIndexRecordNum = fNextIndexRecordNum;
00149           fDesiredDataPCR = recordPCR;
00150           // use this frame's (not the saved frame's) PCR
00151           fNextIndexRecordNum = fSavedFrameIndexRecordStart;
00152           //      fprintf(stderr, "\tbeginning delivery of saved frame\n");//#####
00153         } else {
00154           // No frame is needed now:
00155           fState = SKIPPING_FRAME;
00156         }
00157       } else {
00158         // Not the start of a frame, but deliver it, if it's needed:
00159         if (fState == SAVING_AND_DELIVERING_FRAME) {
00160           //      fprintf(stderr, "\tdelivering\n");//#####
00161           fDesiredDataPCR = recordPCR; // use this frame's PCR
00162           attemptDeliveryToClient();
00163           return;
00164         }
00165       }
00166       break;
00167     }
00168     case DELIVERING_SAVED_FRAME: {
00169       //      fprintf(stderr, "\tDELIVERING_SAVED_FRAME\n");//#####
00170       if (endOfIndexFile
00171           || (isIFrameStart(recordType)
00172               && fNextIndexRecordNum-1 != fSavedFrameIndexRecordStart)
00173           || isNonIFrameStart(recordType)) {
00174         //      fprintf(stderr, "\tended delivery of saved frame\n");//#####
00175         // We've reached the end of the saved frame, so revert to the
00176         // original sequence of index records:
00177         fNextIndexRecordNum = fSavedSequentialIndexRecordNum;
00178         fUseSavedFrameNextTime = KEEP_ORIGINAL_FRAME_RATE;
00179         fState = SKIPPING_FRAME;
00180       } else {
00181         // Continue delivering:
00182         //      fprintf(stderr, "\tdelivering\n");//#####
00183         attemptDeliveryToClient();
00184         return;
00185       }
00186       break;
00187     }
00188     }
00189   }
00190 }

void MPEG2TransportStreamTrickModeFilter::doStopGettingFrames ( ) [private, virtual]

Reimplemented from FramedFilter.

Definition at line 192 of file MPEG2TransportStreamTrickModeFilter.cpp.

References FramedFilter::doStopGettingFrames(), fIndexFile, and MPEG2TransportStreamIndexFile::stopReading().

00192                                                               {
00193   FramedFilter::doStopGettingFrames();
00194   fIndexFile->stopReading();
00195 }

void MPEG2TransportStreamTrickModeFilter::attemptDeliveryToClient ( ) [private]

Definition at line 197 of file MPEG2TransportStreamTrickModeFilter.cpp.

References FramedSource::afterGetting(), fCurrentTSPacketNum, fDesiredDataOffset, fDesiredDataPCR, fDesiredDataSize, fDesiredTSPacketNum, fDirection, fFirstPCR, FramedSource::fFrameSize, fInputBuffer, FramedSource::fPresentationTime, fScale, FramedSource::fTo, and readTransportPacket().

Referenced by afterGettingFrame1(), and doGetNextFrame().

00197                                                                   {
00198   if (fCurrentTSPacketNum == fDesiredTSPacketNum) {
00199     //    fprintf(stderr, "\t\tdelivering ts %d:%d, %d bytes, PCR %f\n", fCurrentTSPacketNum, fDesiredDataOffset, fDesiredDataSize, fDesiredDataPCR);//#####
00200     // We already have the Transport Packet that we want.  Deliver its data:
00201     memmove(fTo, &fInputBuffer[fDesiredDataOffset], fDesiredDataSize);
00202     fFrameSize = fDesiredDataSize;
00203     float deliveryPCR = fDirection*(fDesiredDataPCR - fFirstPCR)/fScale;
00204     if (deliveryPCR < 0.0) deliveryPCR = 0.0;
00205     fPresentationTime.tv_sec = (unsigned long)deliveryPCR;
00206     fPresentationTime.tv_usec
00207       = (unsigned long)((deliveryPCR - fPresentationTime.tv_sec)*1000000.0f);
00208     //    fprintf(stderr, "#####DGNF9\n");
00209 
00210     afterGetting(this);
00211   } else {
00212     // Arrange to read the Transport Packet that we want:
00213     readTransportPacket(fDesiredTSPacketNum);
00214   }
00215 }

void MPEG2TransportStreamTrickModeFilter::seekToTransportPacket ( unsigned long tsPacketNum ) [private]

Definition at line 217 of file MPEG2TransportStreamTrickModeFilter.cpp.

References FramedFilter::fInputSource, fNextTSPacketNum, ByteStreamFileSource::seekToByteAbsolute(), and TRANSPORT_PACKET_SIZE.

Referenced by readTransportPacket(), and seekTo().

00217                                                                                          {
00218   if (tsPacketNum == fNextTSPacketNum) return; // we're already there
00219 
00220   ByteStreamFileSource* tsFile = (ByteStreamFileSource*)fInputSource;
00221   u_int64_t tsPacketNum64 = (u_int64_t)tsPacketNum;
00222   tsFile->seekToByteAbsolute(tsPacketNum64*TRANSPORT_PACKET_SIZE);
00223 
00224   fNextTSPacketNum = tsPacketNum;
00225 }

void MPEG2TransportStreamTrickModeFilter::readTransportPacket ( unsigned long tsPacketNum ) [private]

Definition at line 227 of file MPEG2TransportStreamTrickModeFilter.cpp.

References afterGettingFrame(), fInputBuffer, FramedFilter::fInputSource, FramedSource::getNextFrame(), onSourceClosure(), seekToTransportPacket(), and TRANSPORT_PACKET_SIZE.

Referenced by attemptDeliveryToClient().

00227                                                                                        {
00228   seekToTransportPacket(tsPacketNum);
00229   fInputSource->getNextFrame(fInputBuffer, TRANSPORT_PACKET_SIZE,
00230                              afterGettingFrame, this,
00231                              onSourceClosure, this);
00232 }

void MPEG2TransportStreamTrickModeFilter::afterGettingFrame	(	void *	clientData,
		unsigned	frameSize,
		unsigned	numTruncatedBytes,
		struct timeval	presentationTime,
		unsigned	durationInMicroseconds
	)			`[static, private]`

Definition at line 235 of file MPEG2TransportStreamTrickModeFilter.cpp.

References afterGettingFrame1().

Referenced by readTransportPacket().

00238                                                          {
00239   MPEG2TransportStreamTrickModeFilter* filter = (MPEG2TransportStreamTrickModeFilter*)clientData;
00240   filter->afterGettingFrame1(frameSize);
00241 }

void MPEG2TransportStreamTrickModeFilter::afterGettingFrame1 ( unsigned frameSize ) [private]

Definition at line 243 of file MPEG2TransportStreamTrickModeFilter.cpp.

References attemptDeliveryToClient(), fCurrentTSPacketNum, fNextTSPacketNum, onSourceClosure1(), and TRANSPORT_PACKET_SIZE.

Referenced by afterGettingFrame().

00243                                                                                {
00244   if (frameSize != TRANSPORT_PACKET_SIZE) {
00245     // Treat this as if the input source ended:
00246     onSourceClosure1();
00247     return;
00248   }
00249 
00250   fCurrentTSPacketNum = fNextTSPacketNum; // i.e., the one that we just read
00251   ++fNextTSPacketNum;
00252 
00253   // Attempt deliver again:
00254   attemptDeliveryToClient();
00255 }

void MPEG2TransportStreamTrickModeFilter::onSourceClosure ( void * clientData ) [static, private]

Definition at line 257 of file MPEG2TransportStreamTrickModeFilter.cpp.

References onSourceClosure1().

Referenced by readTransportPacket().

00257                                                                           {
00258   MPEG2TransportStreamTrickModeFilter* filter = (MPEG2TransportStreamTrickModeFilter*)clientData;
00259   filter->onSourceClosure1();
00260 }

void MPEG2TransportStreamTrickModeFilter::onSourceClosure1 ( ) [private]

Definition at line 262 of file MPEG2TransportStreamTrickModeFilter.cpp.

References fIndexFile, FramedSource::handleClosure(), and MPEG2TransportStreamIndexFile::stopReading().

Referenced by afterGettingFrame1(), doGetNextFrame(), and onSourceClosure().

00262                                                            {
00263   fIndexFile->stopReading();
00264   FramedSource::handleClosure(this);
00265 }

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

Definition at line 30 of file FramedFilter.hh.

References FramedFilter::fInputSource.

Referenced by AC3AudioStreamFramer::AC3AudioStreamFramer(), 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::detachInputSource ( ) [inline, inherited]

Definition at line 33 of file FramedFilter.hh.

References FramedFilter::fInputSource, and NULL.

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

00033 { fInputSource = 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(), MP3HTTPSource::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(), T140TextRTPSink::stopPlaying(), H264VideoRTPSink::stopPlaying(), subsessionAfterPlaying(), ClientTrickPlayState::updateStateOnScaleChange(), AMRDeinterleaver::~AMRDeinterleaver(), ByteStreamMultiFileSource::~ByteStreamMultiFileSource(), DarwinInjector::~DarwinInjector(), FramedFilter::~FramedFilter(), InputESSourceRecord::~InputESSourceRecord(), MatroskaFileParser::~MatroskaFileParser(), MatroskaFileServerDemux::~MatroskaFileServerDemux(), MPEG1or2Demux::~MPEG1or2Demux(), MPEG1or2FileServerDemux::~MPEG1or2FileServerDemux(), MPEG2TransportFileServerMediaSubsession::~MPEG2TransportFileServerMediaSubsession(), MPEG2TransportStreamFromPESSource::~MPEG2TransportStreamFromPESSource(), RTSPServerSupportingHTTPStreaming::RTSPClientSessionSupportingHTTPStreaming::~RTSPClientSessionSupportingHTTPStreaming(), ServerMediaSession::~ServerMediaSession(), ServerMediaSubsession::~ServerMediaSubsession(), StreamClientState::~StreamClientState(), and StreamReplicator::~StreamReplicator().

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.

Boolean MPEG2TransportStreamTrickModeFilter::fHaveStarted [private]

Definition at line 77 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by doGetNextFrame().

MPEG2TransportStreamIndexFile* MPEG2TransportStreamTrickModeFilter::fIndexFile [private]

Definition at line 78 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by doGetNextFrame(), doStopGettingFrames(), and onSourceClosure1().

int MPEG2TransportStreamTrickModeFilter::fScale [private]

Definition at line 79 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by attemptDeliveryToClient(), and doGetNextFrame().

int MPEG2TransportStreamTrickModeFilter::fDirection [private]

Definition at line 80 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by attemptDeliveryToClient(), and doGetNextFrame().

enum { ... } MPEG2TransportStreamTrickModeFilter::fState [private]

Referenced by doGetNextFrame().

unsigned MPEG2TransportStreamTrickModeFilter::fFrameCount [private]

Definition at line 86 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by doGetNextFrame().

unsigned long MPEG2TransportStreamTrickModeFilter::fNextIndexRecordNum [private]

Definition at line 87 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by doGetNextFrame(), nextIndexRecordNum(), and seekTo().

unsigned long MPEG2TransportStreamTrickModeFilter::fNextTSPacketNum [private]

Definition at line 88 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by afterGettingFrame1(), and seekToTransportPacket().

unsigned char MPEG2TransportStreamTrickModeFilter::fInputBuffer[TRANSPORT_PACKET_SIZE] [private]

Definition at line 89 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by attemptDeliveryToClient(), and readTransportPacket().

unsigned long MPEG2TransportStreamTrickModeFilter::fCurrentTSPacketNum [private]

Definition at line 90 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by afterGettingFrame1(), and attemptDeliveryToClient().

unsigned long MPEG2TransportStreamTrickModeFilter::fDesiredTSPacketNum [private]

Definition at line 91 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by attemptDeliveryToClient(), and doGetNextFrame().

u_int8_t MPEG2TransportStreamTrickModeFilter::fDesiredDataOffset [private]

Definition at line 92 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by attemptDeliveryToClient(), and doGetNextFrame().

u_int8_t MPEG2TransportStreamTrickModeFilter::fDesiredDataSize [private]

Definition at line 92 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by attemptDeliveryToClient(), and doGetNextFrame().

float MPEG2TransportStreamTrickModeFilter::fDesiredDataPCR [private]

Definition at line 93 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by attemptDeliveryToClient(), and doGetNextFrame().

float MPEG2TransportStreamTrickModeFilter::fFirstPCR [private]

Definition at line 93 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by attemptDeliveryToClient(), and doGetNextFrame().

unsigned long MPEG2TransportStreamTrickModeFilter::fSavedFrameIndexRecordStart [private]

Definition at line 94 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by doGetNextFrame().

unsigned long MPEG2TransportStreamTrickModeFilter::fSavedSequentialIndexRecordNum [private]

Definition at line 95 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by doGetNextFrame().

Boolean MPEG2TransportStreamTrickModeFilter::fUseSavedFrameNextTime [private]

Definition at line 96 of file MPEG2TransportStreamTrickModeFilter.hh.

Referenced by doGetNextFrame().

FramedSource* FramedFilter::fInputSource [protected, inherited]

Definition at line 47 of file FramedFilter.hh.

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
Boolean	seekTo (unsigned long tsPacketNumber, unsigned long indexRecordNumber)
unsigned long	nextIndexRecordNum () const
void	forgetInputSource ()
FramedSource *	inputSource () const
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 MPEG2TransportStreamTrickModeFilter *	createNew (UsageEnvironment &env, FramedSource inputSource, MPEG2TransportStreamIndexFile indexFile, int scale)
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
	MPEG2TransportStreamTrickModeFilter (UsageEnvironment &env, FramedSource inputSource, MPEG2TransportStreamIndexFile indexFile, int scale)
virtual	~MPEG2TransportStreamTrickModeFilter ()
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 Types
enum	{ SKIPPING_FRAME, DELIVERING_SAVED_FRAME, SAVING_AND_DELIVERING_FRAME }
Private Member Functions
virtual void	doGetNextFrame ()
virtual void	doStopGettingFrames ()
void	attemptDeliveryToClient ()
void	seekToTransportPacket (unsigned long tsPacketNum)
void	readTransportPacket (unsigned long tsPacketNum)
void	afterGettingFrame1 (unsigned frameSize)
void	onSourceClosure1 ()
Static Private Member Functions
static void	afterGettingFrame (void *clientData, unsigned frameSize, unsigned numTruncatedBytes, struct timeval presentationTime, unsigned durationInMicroseconds)
static void	onSourceClosure (void *clientData)
Private Attributes
Boolean	fHaveStarted
MPEG2TransportStreamIndexFile *	fIndexFile
int	fScale
int	fDirection
enum MPEG2TransportStreamTrickModeFilter:: { ... }	fState
unsigned	fFrameCount
unsigned long	fNextIndexRecordNum
unsigned long	fNextTSPacketNum
unsigned char	fInputBuffer [TRANSPORT_PACKET_SIZE]
unsigned long	fCurrentTSPacketNum
unsigned long	fDesiredTSPacketNum
u_int8_t	fDesiredDataOffset
u_int8_t	fDesiredDataSize
float	fDesiredDataPCR
float	fFirstPCR
unsigned long	fSavedFrameIndexRecordStart
unsigned long	fSavedSequentialIndexRecordNum
Boolean	fUseSavedFrameNextTime
Friends
class	MediaLookupTable

MPEG2TransportStreamTrickModeFilter Class Reference

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Private Types

Private Member Functions

Static Private Member Functions

Private Attributes

Friends

Detailed Description

Member Typedef Documentation

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Field Documentation