live: QuickTimeGenericRTPSource 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.

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

Definition at line 75 of file QuickTimeGenericRTPSource.cpp.

References fMIMEtypeString, qtState, and QuickTimeGenericRTPSource::QTState::sdAtom.

00075                                                       {
00076   delete[] qtState.sdAtom;
00077   delete[] (char*)fMIMEtypeString;
00078 }

QuickTimeGenericRTPSource::QuickTimeGenericRTPSource	(	UsageEnvironment &	env,
		Groupsock *	RTPgs,
		unsigned char	rtpPayloadFormat,
		unsigned	rtpTimestampFrequency,
		char const *	mimeTypeString
	)			`[private]`

Definition at line 61 of file QuickTimeGenericRTPSource.cpp.

References QuickTimeGenericRTPSource::QTState::height, NULL, QuickTimeGenericRTPSource::QTState::PCK, qtState, QuickTimeGenericRTPSource::QTState::sdAtom, QuickTimeGenericRTPSource::QTState::sdAtomSize, QuickTimeGenericRTPSource::QTState::timescale, and QuickTimeGenericRTPSource::QTState::width.

Referenced by createNew().

00065   : MultiFramedRTPSource(env, RTPgs,
00066                          rtpPayloadFormat, rtpTimestampFrequency,
00067                          new QTGenericBufferedPacketFactory),
00068     fMIMEtypeString(strDup(mimeTypeString)) {
00069   qtState.PCK = 0;
00070   qtState.timescale = 0;
00071   qtState.sdAtom = NULL;
00072   qtState.sdAtomSize = qtState.width = qtState.height = 0;
00073 }

QuickTimeGenericRTPSource * QuickTimeGenericRTPSource::createNew	(	UsageEnvironment &	env,
		Groupsock *	RTPgs,
		unsigned char	rtpPayloadFormat,
		unsigned	rtpTimestampFrequency,
		char const *	mimeTypeString
	)			`[static]`

Definition at line 50 of file QuickTimeGenericRTPSource.cpp.

References env, QuickTimeGenericRTPSource(), and RTPSource::RTPgs().

Referenced by MediaSubsession::createSourceObjects().

00054                                                                  {
00055   return new QuickTimeGenericRTPSource(env, RTPgs, rtpPayloadFormat,
00056                                        rtpTimestampFrequency,
00057                                        mimeTypeString);
00058 }

Boolean QuickTimeGenericRTPSource::processSpecialHeader	(	BufferedPacket *	packet,
		unsigned &	resultSpecialHeaderSize
	)			`[private, virtual]`

Reimplemented from MultiFramedRTPSource.

Definition at line 81 of file QuickTimeGenericRTPSource.cpp.

References F, False, MultiFramedRTPSource::fCurrentPacketBeginsFrame, MultiFramedRTPSource::fCurrentPacketCompletesFrame, QuickTimeGenericRTPSource::QTState::height, QuickTimeGenericRTPSource::QTState::PCK, qtState, QuickTimeGenericRTPSource::QTState::sdAtom, QuickTimeGenericRTPSource::QTState::sdAtomSize, QuickTimeGenericRTPSource::QTState::timescale, True, and QuickTimeGenericRTPSource::QTState::width.

00082                                                           {
00083   unsigned char* headerStart = packet->data();
00084   unsigned packetSize = packet->dataSize();
00085 
00086   // The "QuickTime Header" must be at least 4 bytes in size:
00087   // Extract the known fields from the first 4 bytes:
00088   unsigned expectedHeaderSize = 4;
00089   if (packetSize < expectedHeaderSize) return False;
00090 
00091   unsigned char VER = (headerStart[0]&0xF0)>>4;
00092   if (VER > 1) return False; // unknown header version
00093   qtState.PCK = (headerStart[0]&0x0C)>>2;
00094 #ifdef DEBUG
00095   Boolean S = (headerStart[0]&0x02) != 0;
00096 #endif
00097   Boolean Q = (headerStart[0]&0x01) != 0;
00098 
00099   Boolean L = (headerStart[1]&0x80) != 0;
00100 
00101 #ifdef DEBUG
00102   Boolean D = (headerStart[2]&0x80) != 0;
00103   unsigned short payloadId = ((headerStart[2]&0x7F)<<8)|headerStart[3];
00104 #endif
00105   headerStart += 4;
00106 
00107 #ifdef DEBUG
00108   fprintf(stderr, "PCK: %d, S: %d, Q: %d, L: %d, D: %d, payloadId: %d\n", qtState.PCK, S, Q, L, D, payloadId);
00109 #endif
00110 
00111   if (Q) { // A "QuickTime Payload Description" follows
00112     expectedHeaderSize += 4;
00113     if (packetSize < expectedHeaderSize) return False;
00114 
00115 #ifdef DEBUG
00116     Boolean K = (headerStart[0]&0x80) != 0;
00117     Boolean F = (headerStart[0]&0x40) != 0;
00118     Boolean A = (headerStart[0]&0x20) != 0;
00119     Boolean Z = (headerStart[0]&0x10) != 0;
00120 #endif
00121     unsigned payloadDescriptionLength = (headerStart[2]<<8)|headerStart[3];
00122     headerStart += 4;
00123 
00124 #ifdef DEBUG
00125     fprintf(stderr, "\tK: %d, F: %d, A: %d, Z: %d, payloadDescriptionLength: %d\n", K, F, A, Z, payloadDescriptionLength);
00126 #endif
00127     // Make sure "payloadDescriptionLength" is valid
00128     if (payloadDescriptionLength < 12) return False;
00129     expectedHeaderSize += (payloadDescriptionLength - 4);
00130     unsigned nonPaddedSize = expectedHeaderSize;
00131     expectedHeaderSize += 3;
00132     expectedHeaderSize -= expectedHeaderSize%4; // adds padding
00133     if (packetSize < expectedHeaderSize) return False;
00134     unsigned char padding = expectedHeaderSize - nonPaddedSize;
00135 
00136 #ifdef DEBUG
00137     unsigned mediaType = (headerStart[0]<<24)|(headerStart[1]<<16)
00138       |(headerStart[2]<<8)|headerStart[3];
00139 #endif
00140     qtState.timescale = (headerStart[4]<<24)|(headerStart[5]<<16)
00141       |(headerStart[6]<<8)|headerStart[7];
00142     headerStart += 8;
00143 
00144     payloadDescriptionLength -= 12;
00145 #ifdef DEBUG
00146     fprintf(stderr, "\tmediaType: '%c%c%c%c', timescale: %d, %d bytes of TLVs left\n", mediaType>>24, (mediaType&0xFF0000)>>16, (mediaType&0xFF00)>>8, mediaType&0xFF, qtState.timescale, payloadDescriptionLength);
00147 #endif
00148 
00149     while (payloadDescriptionLength > 3) {
00150       unsigned short tlvLength = (headerStart[0]<<8)|headerStart[1];
00151       unsigned short tlvType = (headerStart[2]<<8)|headerStart[3];
00152       payloadDescriptionLength -= 4;
00153       if (tlvLength > payloadDescriptionLength) return False; // bad TLV
00154       headerStart += 4;
00155 #ifdef DEBUG
00156       fprintf(stderr, "\t\tTLV '%c%c', length %d, leaving %d remaining bytes\n", tlvType>>8, tlvType&0xFF, tlvLength, payloadDescriptionLength - tlvLength);
00157       for (int i = 0; i < tlvLength; ++i) fprintf(stderr, "%02x:", headerStart[i]); fprintf(stderr, "\n");
00158 #endif
00159 
00160       // Check for 'TLV's that we can use for our 'qtState'
00161       switch (tlvType) {
00162       case ('s'<<8|'d'): { // session description atom
00163         // Sanity check: the first 4 bytes of this must equal "tlvLength":
00164         unsigned atomLength  = (headerStart[0]<<24)|(headerStart[1]<<16)
00165           |(headerStart[2]<<8)|(headerStart[3]);
00166         if (atomLength != (unsigned)tlvLength) break;
00167 
00168         delete[] qtState.sdAtom; qtState.sdAtom = new char[tlvLength];
00169         memmove(qtState.sdAtom, headerStart, tlvLength);
00170         qtState.sdAtomSize = tlvLength;
00171         break;
00172       }
00173       case ('t'<<8|'w'): { // track width
00174         qtState.width = (headerStart[0]<<8)|headerStart[1];
00175         break;
00176       }
00177       case ('t'<<8|'h'): { // track height
00178         qtState.height = (headerStart[0]<<8)|headerStart[1];
00179         break;
00180       }
00181       }
00182 
00183       payloadDescriptionLength -= tlvLength;
00184       headerStart += tlvLength;
00185     }
00186     if (payloadDescriptionLength > 0) return False; // malformed TLV data
00187     headerStart += padding;
00188   }
00189 
00190   if (L) { // Sample-Specific info follows
00191     expectedHeaderSize += 4;
00192     if (packetSize < expectedHeaderSize) return False;
00193 
00194     unsigned ssInfoLength = (headerStart[2]<<8)|headerStart[3];
00195     headerStart += 4;
00196 
00197 #ifdef DEBUG
00198     fprintf(stderr, "\tssInfoLength: %d\n", ssInfoLength);
00199 #endif
00200     // Make sure "ssInfoLength" is valid
00201     if (ssInfoLength < 4) return False;
00202     expectedHeaderSize += (ssInfoLength - 4);
00203     unsigned nonPaddedSize = expectedHeaderSize;
00204     expectedHeaderSize += 3;
00205     expectedHeaderSize -= expectedHeaderSize%4; // adds padding
00206     if (packetSize < expectedHeaderSize) return False;
00207     unsigned char padding = expectedHeaderSize - nonPaddedSize;
00208 
00209     ssInfoLength -= 4;
00210     while (ssInfoLength > 3) {
00211       unsigned short tlvLength = (headerStart[0]<<8)|headerStart[1];
00212 #ifdef DEBUG
00213       unsigned short tlvType = (headerStart[2]<<8)|headerStart[3];
00214 #endif
00215       ssInfoLength -= 4;
00216       if (tlvLength > ssInfoLength) return False; // bad TLV
00217 #ifdef DEBUG
00218       fprintf(stderr, "\t\tTLV '%c%c', length %d, leaving %d remaining bytes\n", tlvType>>8, tlvType&0xFF, tlvLength, ssInfoLength - tlvLength);
00219       for (int i = 0; i < tlvLength; ++i) fprintf(stderr, "%02x:", headerStart[4+i]); fprintf(stderr, "\n");
00220 #endif
00221       ssInfoLength -= tlvLength;
00222       headerStart += 4 + tlvLength;
00223     }
00224     if (ssInfoLength > 0) return False; // malformed TLV data
00225     headerStart += padding;
00226   }
00227 
00228   fCurrentPacketBeginsFrame = fCurrentPacketCompletesFrame;
00229           // whether the *previous* packet ended a frame
00230   fCurrentPacketCompletesFrame = packet->rtpMarkerBit();
00231 
00232   resultSpecialHeaderSize = expectedHeaderSize;
00233 #ifdef DEBUG
00234   fprintf(stderr, "Result special header size: %d\n", resultSpecialHeaderSize);
00235 #endif
00236   return True;
00237 }

char const * QuickTimeGenericRTPSource::MIMEtype ( ) const [private, virtual]

Reimplemented from MediaSource.

Definition at line 239 of file QuickTimeGenericRTPSource.cpp.

References fMIMEtypeString, MediaSource::MIMEtype(), and NULL.

00239                                                       {
00240   if (fMIMEtypeString == NULL) return MultiFramedRTPSource::MIMEtype();
00241 
00242   return fMIMEtypeString;
00243 }

Boolean MultiFramedRTPSource::packetIsUsableInJitterCalculation	(	unsigned char *	packet,
		unsigned	packetSize
	)			`[protected, virtual, inherited]`

Reimplemented in MPEG1or2VideoRTPSource.

Definition at line 101 of file MultiFramedRTPSource.cpp.

References True.

Referenced by MultiFramedRTPSource::networkReadHandler1().

00102                                                              {
00103   // Default implementation:
00104   return True;
00105 }

void MultiFramedRTPSource::doStopGettingFrames ( ) [protected, virtual, inherited]

Reimplemented from FramedSource.

Definition at line 107 of file MultiFramedRTPSource.cpp.

References Medium::envir(), MultiFramedRTPSource::fReorderingBuffer, RTPSource::fRTPInterface, Medium::nextTask(), MultiFramedRTPSource::reset(), ReorderingPacketBuffer::reset(), RTPInterface::stopNetworkReading(), UsageEnvironment::taskScheduler(), and TaskScheduler::unscheduleDelayedTask().

00107                                                {
00108   envir().taskScheduler().unscheduleDelayedTask(nextTask());
00109   fRTPInterface.stopNetworkReading();
00110   fReorderingBuffer->reset();
00111   reset();
00112 }

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

Definition at line 26 of file RTPSource.cpp.

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

00028                                                           {
00029   resultSource = NULL; // unless we succeed
00030 
00031   MediaSource* source;
00032   if (!MediaSource::lookupByName(env, sourceName, source)) return False;
00033 
00034   if (!source->isRTPSource()) {
00035     env.setResultMsg(sourceName, " is not a RTP source");
00036     return False;
00037   }
00038 
00039   resultSource = (RTPSource*)source;
00040   return True;
00041 }

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 }

Boolean RTPSource::curPacketMarkerBit ( ) const [inline, inherited]

Definition at line 38 of file RTPSource.hh.

References RTPSource::fCurPacketMarkerBit.

Referenced by PresentationTimeSubsessionNormalizer::afterGettingFrame(), and SubsessionIOState::useFrameForHinting().

00038 { return fCurPacketMarkerBit; }

unsigned char RTPSource::rtpPayloadFormat ( ) const [inline, inherited]

Definition at line 40 of file RTPSource.hh.

References RTPSource::fRTPPayloadFormat.

Referenced by QuickTimeFileSink::addAtom_hdlr2(), MultiFramedRTPSource::networkReadHandler1(), and SubsessionIOState::useFrameForHinting().

00040 { return fRTPPayloadFormat; }

Boolean RTPSource::hasBeenSynchronizedUsingRTCP ( ) [virtual, inherited]

Reimplemented in RawAMRRTPSource, and RawQCELPRTPSource.

Definition at line 43 of file RTPSource.cpp.

References RTPSource::fCurPacketHasBeenSynchronizedUsingRTCP.

Referenced by DummySink::afterGettingFrame(), checkForPacketArrival(), PresentationTimeSessionNormalizer::normalizePresentationTime(), RawQCELPRTPSource::processSpecialHeader(), SubsessionIOState::syncOK(), and SubsessionIOState::useFrame().

00043                                                 {
00044   return fCurPacketHasBeenSynchronizedUsingRTCP;
00045 }

Groupsock* RTPSource::RTPgs ( ) const [inline, inherited]

u_int32_t RTPSource::SSRC ( ) const [inline, inherited]

Definition at line 49 of file RTPSource.hh.

References RTPSource::fSSRC.

Referenced by RTCPInstance::addBYE(), RTCPInstance::addRR(), and RTCPInstance::addSDES().

00049 { return fSSRC; }

unsigned RTPSource::timestampFrequency ( ) const [inline, inherited]

Definition at line 53 of file RTPSource.hh.

References RTPSource::fTimestampFrequency.

Referenced by QuickTimeFileSink::addAtom_hdlr2(), and MultiFramedRTPSource::networkReadHandler1().

00053 {return fTimestampFrequency;}

RTPReceptionStatsDB& RTPSource::receptionStatsDB ( ) const [inline, inherited]

Definition at line 55 of file RTPSource.hh.

References RTPSource::fReceptionStatsDB.

Referenced by checkForPacketArrival(), checkInterPacketGaps(), RTCPInstance::enqueueCommonReportSuffix(), RTCPInstance::incomingReportHandler1(), MultiFramedRTPSource::networkReadHandler1(), printQOSData(), qosMeasurementRecord::qosMeasurementRecord(), and RTCPInstance::removeSSRC().

00055                                                 {
00056     return *fReceptionStatsDB;
00057   }

u_int32_t RTPSource::lastReceivedSSRC ( ) const [inline, inherited]

Definition at line 59 of file RTPSource.hh.

References RTPSource::fLastReceivedSSRC.

00059 { return fLastReceivedSSRC; }

Boolean& RTPSource::enableRTCPReports ( ) [inline, inherited]

Definition at line 62 of file RTPSource.hh.

References RTPSource::fEnableRTCPReports.

Referenced by RTSPClient::handlePLAYResponse(), and RTSPClient::handleSETUPResponse().

00062 { return fEnableRTCPReports; }

void RTPSource::setStreamSocket	(	int	sockNum,
		unsigned char	streamChannelId
	)			`[inline, inherited]`

Definition at line 64 of file RTPSource.hh.

References RTPSource::fRTPInterface, and RTPInterface::setStreamSocket().

Referenced by RTSPClient::handleSETUPResponse().

00064                                                                    {
00065     // hack to allow sending RTP over TCP (RFC 2236, section 10.12)
00066     fRTPInterface.setStreamSocket(sockNum, streamChannelId);
00067   }

void RTPSource::setServerRequestAlternativeByteHandler	(	int	socketNum,
		ServerRequestAlternativeByteHandler *	handler,
		void *	clientData
	)			`[inline, inherited]`

Definition at line 68 of file RTPSource.hh.

References RTPSource::fRTPInterface, and RTPInterface::setServerRequestAlternativeByteHandler().

Referenced by RTSPClient::handleSETUPResponse().

00068                                                                                                                              {
00069     fRTPInterface.setServerRequestAlternativeByteHandler(socketNum, handler, clientData);
00070   }

void RTPSource::setAuxilliaryReadHandler	(	AuxHandlerFunc *	handlerFunc,
		void *	handlerClientData
	)			`[inline, inherited]`

Definition at line 72 of file RTPSource.hh.

References RTPSource::fRTPInterface, and RTPInterface::setAuxilliaryReadHandler().

00073                                                          {
00074     fRTPInterface.setAuxilliaryReadHandler(handlerFunc,
00075                                            handlerClientData);
00076   }

u_int16_t RTPSource::curPacketRTPSeqNum ( ) const [inline, inherited]

Definition at line 81 of file RTPSource.hh.

References RTPSource::fCurPacketRTPSeqNum.

Referenced by SubsessionIOState::afterGettingFrame(), AVISubsessionIOState::afterGettingFrame(), QCELPDeinterleaver::afterGettingFrame1(), and AMRDeinterleavingBuffer::deliverIncomingFrame().

00081 { return fCurPacketRTPSeqNum; }

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

Definition at line 57 of file FramedSource.cpp.

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

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

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

Definition at line 95 of file FramedSource.cpp.

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

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

void FramedSource::stopGettingFrames ( ) [inherited]

Definition at line 103 of file FramedSource.cpp.

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

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

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

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

Reimplemented in MPEG1or2DemuxedElementaryStream.

Definition at line 116 of file FramedSource.cpp.

Referenced by StreamParser::ensureValidBytes1().

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

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

Definition at line 60 of file FramedSource.hh.

References FramedSource::fIsCurrentlyAwaitingData.

Referenced by T140IdleFilter::afterGettingFrame(), afterPlaying(), InputESSourceRecord::askForNewData(), MPEG2TransportStreamFromESSource::awaitNewBuffer(), MatroskaFileParser::continueParsing(), QuickTimeFileSink::continuePlaying(), AVIFileSink::continuePlaying(), StreamReplicator::deactivateStreamReplica(), DeviceSource::deliverFrame(), MatroskaFileParser::deliverFrameWithinBlock(), T140IdleFilter::doGetNextFrame(), QCELPDeinterleaver::doGetNextFrame(), AMRDeinterleaver::doGetNextFrame(), WAVAudioFileSource::fileReadableHandler(), ByteStreamFileSource::fileReadableHandler(), StreamReplicator::getNextFrame(), BasicUDPSource::incomingPacketHandler1(), and TCPStreamSink::processBuffer().

00060 {return fIsCurrentlyAwaitingData;}

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::isMPEG1or2VideoStreamFramer ( ) const [virtual, inherited]

Reimplemented in MPEG1or2VideoStreamFramer.

Definition at line 46 of file MediaSource.cpp.

References False.

Referenced by MPEG1or2VideoRTPSink::sourceIsCompatibleWithUs().

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

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

Reimplemented in MPEG4VideoStreamFramer.

Definition at line 49 of file MediaSource.cpp.

References False.

Referenced by MPEG4ESVideoRTPSink::sourceIsCompatibleWithUs().

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

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

Reimplemented in H264VideoStreamFramer.

Definition at line 52 of file MediaSource.cpp.

References False.

Referenced by H264VideoRTPSink::sourceIsCompatibleWithUs().

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

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

Reimplemented in DVVideoStreamFramer.

Definition at line 55 of file MediaSource.cpp.

References False.

Referenced by DVVideoRTPSink::sourceIsCompatibleWithUs().

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

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

Reimplemented in JPEGVideoSource.

Definition at line 58 of file MediaSource.cpp.

References False.

Referenced by JPEGVideoRTPSink::sourceIsCompatibleWithUs().

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

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

Reimplemented in AMRAudioSource.

Definition at line 61 of file MediaSource.cpp.

References False.

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

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

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

Definition at line 52 of file Media.cpp.

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

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

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

Definition at line 56 of file Media.cpp.

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

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

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

Definition at line 59 of file Media.hh.

References Medium::fEnviron.

00059 {return fEnviron;}

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

Definition at line 61 of file Media.hh.

References Medium::fMediumName.

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

00061 {return fMediumName;}

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

Reimplemented in MediaSink.

Definition at line 66 of file Media.cpp.

References False.

Referenced by MediaSink::lookupByName().

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

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

Reimplemented in RTCPInstance.

Definition at line 70 of file Media.cpp.

References False.

Referenced by RTCPInstance::lookupByName().

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

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

Reimplemented in RTSPClient.

Definition at line 74 of file Media.cpp.

References False.

Referenced by RTSPClient::lookupByName().

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

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

Reimplemented in RTSPServer.

Definition at line 78 of file Media.cpp.

References False.

Referenced by RTSPServer::lookupByName().

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

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

Reimplemented in MediaSession.

Definition at line 82 of file Media.cpp.

References False.

Referenced by MediaSession::lookupByName().

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

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

Reimplemented in ServerMediaSession.

Definition at line 86 of file Media.cpp.

References False.

Referenced by ServerMediaSession::lookupByName().

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

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

Reimplemented in DarwinInjector.

Definition at line 90 of file Media.cpp.

References False.

Referenced by DarwinInjector::lookupByName().

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

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

Definition at line 78 of file Media.hh.

References Medium::fNextTask.

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

00078                         {
00079         return fNextTask;
00080   }

friend class MediaLookupTable [friend, inherited]

Definition at line 74 of file Media.hh.

struct QuickTimeGenericRTPSource::QTState QuickTimeGenericRTPSource::qtState

Referenced by QuickTimeFileSink::addAtom_hdlr2(), SubsessionIOState::afterGettingFrame(), QTGenericBufferedPacket::nextEnclosedFrameSize(), processSpecialHeader(), QuickTimeGenericRTPSource(), and ~QuickTimeGenericRTPSource().

char const* QuickTimeGenericRTPSource::fMIMEtypeString [private]

Definition at line 65 of file QuickTimeGenericRTPSource.hh.

Referenced by MIMEtype(), and ~QuickTimeGenericRTPSource().

Boolean MultiFramedRTPSource::fCurrentPacketBeginsFrame [protected, inherited]

Definition at line 51 of file MultiFramedRTPSource.hh.

Boolean MultiFramedRTPSource::fCurrentPacketCompletesFrame [protected, inherited]

Definition at line 52 of file MultiFramedRTPSource.hh.

RTPInterface RTPSource::fRTPInterface [protected, inherited]

Definition at line 92 of file RTPSource.hh.

Referenced by MultiFramedRTPSource::doGetNextFrame(), MultiFramedRTPSource::doStopGettingFrames(), MultiFramedRTPSource::networkReadHandler1(), RTPSource::RTPgs(), RTPSource::setAuxilliaryReadHandler(), RTPSource::setServerRequestAlternativeByteHandler(), RTPSource::setStreamSocket(), and MultiFramedRTPSource::~MultiFramedRTPSource().

u_int16_t RTPSource::fCurPacketRTPSeqNum [protected, inherited]

Definition at line 93 of file RTPSource.hh.

Referenced by RTPSource::curPacketRTPSeqNum(), and MultiFramedRTPSource::doGetNextFrame1().

u_int32_t RTPSource::fCurPacketRTPTimestamp [protected, inherited]

Definition at line 94 of file RTPSource.hh.

Referenced by RTPSource::curPacketRTPTimestamp(), and MultiFramedRTPSource::doGetNextFrame1().

Boolean RTPSource::fCurPacketMarkerBit [protected, inherited]

Definition at line 95 of file RTPSource.hh.

Referenced by RTPSource::curPacketMarkerBit(), and MultiFramedRTPSource::doGetNextFrame1().

Boolean RTPSource::fCurPacketHasBeenSynchronizedUsingRTCP [protected, inherited]

Definition at line 96 of file RTPSource.hh.

Referenced by MultiFramedRTPSource::doGetNextFrame1(), and RTPSource::hasBeenSynchronizedUsingRTCP().

u_int32_t RTPSource::fLastReceivedSSRC [protected, inherited]

Definition at line 97 of file RTPSource.hh.

Referenced by RTPSource::lastReceivedSSRC(), and MultiFramedRTPSource::networkReadHandler1().

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

Definition at line 74 of file FramedSource.hh.

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

unsigned FramedSource::fMaxSize [protected, inherited]

Definition at line 75 of file FramedSource.hh.

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

unsigned FramedSource::fFrameSize [protected, inherited]

Definition at line 76 of file FramedSource.hh.

unsigned FramedSource::fNumTruncatedBytes [protected, inherited]

Definition at line 77 of file FramedSource.hh.

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

Definition at line 78 of file FramedSource.hh.

unsigned FramedSource::fDurationInMicroseconds [protected, inherited]

Definition at line 79 of file FramedSource.hh.


Public Types
typedef void(	afterGettingFunc )(void *clientData, unsigned frameSize, unsigned numTruncatedBytes, struct timeval presentationTime, unsigned durationInMicroseconds)
typedef void(	onCloseFunc )(void *clientData)
Public Member Functions
Boolean	curPacketMarkerBit () const
unsigned char	rtpPayloadFormat () const
virtual Boolean	hasBeenSynchronizedUsingRTCP ()
Groupsock *	RTPgs () const
u_int32_t	SSRC () const
unsigned	timestampFrequency () const
RTPReceptionStatsDB &	receptionStatsDB () const
u_int32_t	lastReceivedSSRC () const
Boolean &	enableRTCPReports ()
void	setStreamSocket (int sockNum, unsigned char streamChannelId)
void	setServerRequestAlternativeByteHandler (int socketNum, ServerRequestAlternativeByteHandler handler, void clientData)
void	setAuxilliaryReadHandler (AuxHandlerFunc handlerFunc, void handlerClientData)
u_int16_t	curPacketRTPSeqNum () const
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	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 QuickTimeGenericRTPSource *	createNew (UsageEnvironment &env, Groupsock RTPgs, unsigned char rtpPayloadFormat, unsigned rtpTimestampFrequency, char const mimeTypeString)
static Boolean	lookupByName (UsageEnvironment &env, char const sourceName, RTPSource &resultSource)
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)
Data Fields
QuickTimeGenericRTPSource::QTState	qtState
Protected Member Functions
virtual	~QuickTimeGenericRTPSource ()
virtual Boolean	packetIsUsableInJitterCalculation (unsigned char *packet, unsigned packetSize)
virtual void	doStopGettingFrames ()
TaskToken &	nextTask ()
Protected Attributes
Boolean	fCurrentPacketBeginsFrame
Boolean	fCurrentPacketCompletesFrame
RTPInterface	fRTPInterface
u_int16_t	fCurPacketRTPSeqNum
u_int32_t	fCurPacketRTPTimestamp
Boolean	fCurPacketMarkerBit
Boolean	fCurPacketHasBeenSynchronizedUsingRTCP
u_int32_t	fLastReceivedSSRC
unsigned char *	fTo
unsigned	fMaxSize
unsigned	fFrameSize
unsigned	fNumTruncatedBytes
timeval	fPresentationTime
unsigned	fDurationInMicroseconds
Private Member Functions
	QuickTimeGenericRTPSource (UsageEnvironment &env, Groupsock RTPgs, unsigned char rtpPayloadFormat, unsigned rtpTimestampFrequency, char const mimeTypeString)
virtual Boolean	processSpecialHeader (BufferedPacket *packet, unsigned &resultSpecialHeaderSize)
virtual char const *	MIMEtype () const
Private Attributes
char const *	fMIMEtypeString
Friends
class	MediaLookupTable
Data Structures
struct	QTState

QuickTimeGenericRTPSource Class Reference

Public Types

Public Member Functions

Static Public Member Functions

Data Fields

Protected Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Friends

Data Structures

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Field Documentation