live: DVVideoStreamFramer 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.

DVVideoStreamFramer::DVVideoStreamFramer	(	UsageEnvironment &	env,
		FramedSource *	inputSource,
		Boolean	sourceIsSeekable
	)			`[protected]`

Definition at line 27 of file DVVideoStreamFramer.cpp.

References fNextFramePresentationTime, FramedSource::fTo, and NULL.

Referenced by createNew().

00028   : FramedFilter(env, inputSource),
00029     fOurProfile(NULL), fInitialBlocksPresent(False), fSourceIsSeekable(sourceIsSeekable) {
00030   fTo = NULL; // hack used when reading "fSavedInitialBlocks"
00031   // Use the current wallclock time as the initial 'presentation time':
00032   gettimeofday(&fNextFramePresentationTime, NULL);
00033 }

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

Definition at line 35 of file DVVideoStreamFramer.cpp.

00035                                           {
00036 }

DVVideoStreamFramer * DVVideoStreamFramer::createNew	(	UsageEnvironment &	env,
		FramedSource *	inputSource,
		Boolean	sourceIsSeekable = `False`
	)			`[static]`

Definition at line 39 of file DVVideoStreamFramer.cpp.

References DVVideoStreamFramer(), env, and FramedFilter::inputSource().

Referenced by DVVideoFileServerMediaSubsession::createNewStreamSource().

00039                                                                                                          {
00040   return new DVVideoStreamFramer(env, inputSource, sourceIsSeekable);
00041 }

char const * DVVideoStreamFramer::profileName ( )

Definition at line 69 of file DVVideoStreamFramer.cpp.

References fOurProfile, getProfile(), and NULL.

Referenced by DVVideoRTPSink::auxSDPLineFromFramer().

00069                                              {
00070   if (fOurProfile == NULL) getProfile();
00071 
00072   return fOurProfile != NULL ? ((DVVideoProfile const*)fOurProfile)->name : NULL;
00073 }

Boolean DVVideoStreamFramer::getFrameParameters	(	unsigned &	frameSize,
		double &	frameDuration
	)

Definition at line 75 of file DVVideoStreamFramer.cpp.

References False, fOurProfile, getProfile(), NULL, and True.

Referenced by DVVideoFileServerMediaSubsession::createNewStreamSource().

00075                                                                                           {
00076   if (fOurProfile == NULL) getProfile();
00077   if (fOurProfile == NULL) return False;
00078 
00079   frameSize = ((DVVideoProfile const*)fOurProfile)->dvFrameSize;
00080   frameDuration = ((DVVideoProfile const*)fOurProfile)->frameDuration;
00081   return True;
00082 }

Boolean DVVideoStreamFramer::isDVVideoStreamFramer ( ) const [private, virtual]

Reimplemented from MediaSource.

Definition at line 93 of file DVVideoStreamFramer.cpp.

References True.

00093                                                          {
00094   return True;
00095 }

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

Implements FramedSource.

Definition at line 97 of file DVVideoStreamFramer.cpp.

References FramedSource::afterGetting(), DV_DIF_BLOCK_SIZE, DV_SAVED_INITIAL_BLOCKS_SIZE, False, FramedSource::fFrameSize, fInitialBlocksPresent, FramedSource::fMaxSize, FramedSource::fNumTruncatedBytes, fSavedInitialBlocks, fSourceIsSeekable, FramedSource::fTo, and getAndDeliverData().

00097                                          {
00098   fFrameSize = 0; // initially, until we deliver data
00099 
00100   // If we have saved initial blocks (and won't be seeking back to re-read this data), so use this data first.
00101   if (fInitialBlocksPresent && !fSourceIsSeekable) {
00102     // For simplicity, we require the downstream object's buffer to be >= this data's size:
00103     if (fMaxSize < DV_SAVED_INITIAL_BLOCKS_SIZE) {
00104       fNumTruncatedBytes = fMaxSize;
00105       afterGetting(this);
00106       return;
00107     }
00108 
00109     memmove(fTo, fSavedInitialBlocks, DV_SAVED_INITIAL_BLOCKS_SIZE);
00110     fFrameSize = DV_SAVED_INITIAL_BLOCKS_SIZE;
00111     fTo += DV_SAVED_INITIAL_BLOCKS_SIZE;
00112     fInitialBlocksPresent = False; // for the future
00113   }
00114     
00115   // Arrange to read the (rest of the) requested data.
00116   // (But first, make sure that we read an integral multiple of the DV block size.)
00117   fMaxSize -= fMaxSize%DV_DIF_BLOCK_SIZE;
00118   getAndDeliverData();
00119 }

void DVVideoStreamFramer::getAndDeliverData ( ) [private]

Definition at line 123 of file DVVideoStreamFramer.cpp.

References afterGettingFrame(), DV_SMALLEST_POSSIBLE_FRAME_SIZE, FramedSource::fFrameSize, FramedFilter::fInputSource, FramedSource::fMaxSize, fOurProfile, FramedSource::fTo, FramedSource::getNextFrame(), FramedSource::handleClosure(), and NULL.

Referenced by doGetNextFrame().

00123                                             {
00124   unsigned const totFrameSize
00125     = fOurProfile != NULL ? ((DVVideoProfile const*)fOurProfile)->dvFrameSize : DV_SMALLEST_POSSIBLE_FRAME_SIZE;
00126   unsigned totBytesToDeliver = totFrameSize < fMaxSize ? totFrameSize : fMaxSize;
00127   unsigned numBytesToRead = totBytesToDeliver - fFrameSize;
00128 
00129   fInputSource->getNextFrame(fTo, numBytesToRead, afterGettingFrame, this, FramedSource::handleClosure, this);
00130 }

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

Definition at line 132 of file DVVideoStreamFramer.cpp.

References afterGettingFrame1().

Referenced by getAndDeliverData(), and getProfile().

00134                                                                                                                       {
00135   DVVideoStreamFramer* source = (DVVideoStreamFramer*)clientData;
00136   source->afterGettingFrame1(frameSize, numTruncatedBytes);
00137 }

void DVVideoStreamFramer::afterGettingFrame1	(	unsigned	frameSize,
		unsigned	numTruncatedBytes
	)			`[private]`

Definition at line 152 of file DVVideoStreamFramer.cpp.

References DV_DIF_BLOCK_SIZE, DV_PACK_HEADER_10, DV_PACK_HEADER_12, DV_SAVED_INITIAL_BLOCKS_SIZE, DV_SECTION_HEADER, DV_SECTION_VAUX_MAX, DV_SECTION_VAUX_MIN, DVData, DVSectionId, fOurProfile, fSavedInitialBlocks, FramedSource::fTo, DVVideoProfile::name, NULL, and profiles.

Referenced by afterGettingFrame().

00152                                                                                            {
00153   if (fOurProfile == NULL && frameSize >= DV_SAVED_INITIAL_BLOCKS_SIZE) {
00154     // (Try to) parse this data enough to figure out its profile.
00155     // We assume that the data begins on a (80-byte) block boundary, but not necessarily on a (150-block) sequence boundary.
00156     // We therefore scan each 80-byte block, until we find the 6-block header that begins a sequence:
00157     u_int8_t const* data = (fTo == NULL) ? fSavedInitialBlocks : fTo;
00158     for (u_int8_t const* ptr = data; ptr + 6*DV_DIF_BLOCK_SIZE <= &data[DV_SAVED_INITIAL_BLOCKS_SIZE]; ptr += DV_DIF_BLOCK_SIZE) {
00159       // Check whether "ptr" points to an appropriate header:
00160       u_int8_t const sectionHeader = DVSectionId(0);
00161       u_int8_t const sectionVAUX = DVSectionId(5);
00162       u_int8_t const packHeaderNum = DVData(0,0);
00163 
00164       if (sectionHeader == DV_SECTION_HEADER
00165           && (packHeaderNum == DV_PACK_HEADER_10 || packHeaderNum == DV_PACK_HEADER_12)
00166           && (sectionVAUX >= DV_SECTION_VAUX_MIN && sectionVAUX <= DV_SECTION_VAUX_MAX)) {
00167         // This data begins a sequence; look up the DV profile from this:
00168         u_int8_t const apt = DVData(0,1)&0x07;
00169         u_int8_t const sType = DVData(5,48)&0x1F;
00170         u_int8_t const sequenceCount = (packHeaderNum == DV_PACK_HEADER_10) ? 10 : 12;
00171 
00172         // Use these three parameters (apt, sType, sequenceCount) to look up the DV profile:
00173         for (DVVideoProfile const* profile = profiles; profile->name != NULL; ++profile) {
00174           if (profile->apt == apt && profile->sType == sType && profile->sequenceCount == sequenceCount) {
00175             fOurProfile = profile;
00176             break;
00177           }
00178         }
00179         break; // because we found a correct sequence header (even if we don't happen to define a profile for it)
00180       }
00181     }
00182   }
00183 
00184   if (fTo != NULL) { // There is a downstream object; complete delivery to it (or read more data, if necessary)
00185     unsigned const totFrameSize
00186       = fOurProfile != NULL ? ((DVVideoProfile const*)fOurProfile)->dvFrameSize : DV_SMALLEST_POSSIBLE_FRAME_SIZE;
00187     fFrameSize += frameSize;
00188     fTo += frameSize;
00189 
00190     if (fFrameSize < totFrameSize && fFrameSize < fMaxSize && numTruncatedBytes == 0) {
00191       // We have more data to deliver; get it now:
00192       getAndDeliverData();
00193     } else {
00194       // We're done delivering this DV frame (but check for truncation):
00195       fNumTruncatedBytes = totFrameSize - fFrameSize;
00196 
00197       if (fOurProfile != NULL) {
00198         // Also set the presentation time, and increment it for next time,
00199         // based on the length of this frame:
00200         fPresentationTime = fNextFramePresentationTime;
00201 
00202         DVVideoProfile const* ourProfile =(DVVideoProfile const*)fOurProfile;
00203         double durationInMicroseconds = (fFrameSize*ourProfile->frameDuration)/ourProfile->dvFrameSize;
00204         fDurationInMicroseconds = (unsigned)durationInMicroseconds;
00205         fNextFramePresentationTime.tv_usec += fDurationInMicroseconds;
00206         fNextFramePresentationTime.tv_sec += fNextFramePresentationTime.tv_usec/MILLION;
00207         fNextFramePresentationTime.tv_usec %= MILLION;
00208       }
00209 
00210       afterGetting(this);
00211     }
00212   } else {
00213     // We read data into our special buffer; signal that it has arrived:
00214     fInitialBlocksPresent = True;
00215   }
00216 }

void DVVideoStreamFramer::getProfile ( ) [private]

Definition at line 84 of file DVVideoStreamFramer.cpp.

References afterGettingFrame(), TaskScheduler::doEventLoop(), DV_SAVED_INITIAL_BLOCKS_SIZE, Medium::envir(), fInitialBlocksPresent, FramedFilter::fInputSource, fSavedInitialBlocks, FramedSource::getNextFrame(), FramedSource::handleClosure(), and UsageEnvironment::taskScheduler().

Referenced by getFrameParameters(), and profileName().

00084                                      {
00085   // To determine the stream's profile, we need to first read a chunk of data that we can parse:
00086   fInputSource->getNextFrame(fSavedInitialBlocks, DV_SAVED_INITIAL_BLOCKS_SIZE,
00087                              afterGettingFrame, this, FramedSource::handleClosure, this);
00088   
00089   // Handle events until the requested data arrives:
00090   envir().taskScheduler().doEventLoop(&fInitialBlocksPresent);
00091 }

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

Definition at line 30 of file FramedFilter.hh.

References FramedFilter::fInputSource.

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 }

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

Reimplemented from FramedSource.

Reimplemented in MPEG2TransportStreamFramer, MPEG2TransportStreamTrickModeFilter, T140IdleFilter, and QCELPDeinterleaver.

Definition at line 49 of file FramedFilter.cpp.

References FramedFilter::fInputSource, NULL, and FramedSource::stopGettingFrames().

Referenced by T140IdleFilter::doStopGettingFrames(), MPEG2TransportStreamTrickModeFilter::doStopGettingFrames(), and MPEG2TransportStreamFramer::doStopGettingFrames().

00049                                        {
00050   if (fInputSource != NULL) fInputSource->stopGettingFrames();
00051 }

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::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.

void const* DVVideoStreamFramer::fOurProfile [private]

Definition at line 62 of file DVVideoStreamFramer.hh.

Referenced by afterGettingFrame1(), getAndDeliverData(), getFrameParameters(), and profileName().

struct timeval DVVideoStreamFramer::fNextFramePresentationTime [read, private]

Definition at line 63 of file DVVideoStreamFramer.hh.

Referenced by DVVideoStreamFramer().

unsigned char DVVideoStreamFramer::fSavedInitialBlocks[DV_SAVED_INITIAL_BLOCKS_SIZE] [private]

Definition at line 64 of file DVVideoStreamFramer.hh.

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

char DVVideoStreamFramer::fInitialBlocksPresent [private]

Definition at line 65 of file DVVideoStreamFramer.hh.

Referenced by doGetNextFrame(), and getProfile().

Boolean DVVideoStreamFramer::fSourceIsSeekable [private]

Definition at line 66 of file DVVideoStreamFramer.hh.

Referenced by doGetNextFrame().

FramedSource* FramedFilter::fInputSource [protected, inherited]

Definition at line 47 of file FramedFilter.hh.

Referenced by QCELPDeinterleaver::afterGettingFrame1(), MPEG2TransportStreamFramer::afterGettingFrame1(), MPEG2TransportStreamFramer::changeInputSource(), FramedFilter::detachInputSource(), EndianSwap16::doGetNextFrame(), HostFromNetworkOrder16::doGetNextFrame(), NetworkFromHostOrder16::doGetNextFrame(), PCMFromuLawAudioSource::doGetNextFrame(), uLawFromPCMAudioSource::doGetNextFrame(), T140IdleFilter::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(), getAndDeliverData(), MP3ADUTranscoder::getAttributes(), FramedFilter::getAttributes(), getProfile(), FramedFilter::inputSource(), FramedFilter::MIMEtype(), MPEG2TransportStreamTrickModeFilter::readTransportPacket(), 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.

Referenced by MPEG1or2VideoStreamDiscreteFramer::afterGettingFrame1(), MP3ADUTranscoder::afterGettingFrame1(), StreamReplica::copyReceivedFrame(), StreamReplicator::deactivateStreamReplica(), MPEG2TransportStreamMultiplexor::deliverDataToClient(), DeviceSource::deliverFrame(), T140IdleFilter::deliverFromBuffer(), MPEG2IFrameIndexFromTransportStream::deliverIndexRecord(), StreamReplicator::deliverReceivedFrame(), WAVAudioFileSource::doGetNextFrame(), EndianSwap16::doGetNextFrame(), HostFromNetworkOrder16::doGetNextFrame(), NetworkFromHostOrder16::doGetNextFrame(), PCMFromuLawAudioSource::doGetNextFrame(), uLawFromPCMAudioSource::doGetNextFrame(), QCELPDeinterleaver::doGetNextFrame(), MultiFramedRTPSource::doGetNextFrame(), MPEGVideoStreamFramer::doGetNextFrame(), MPEG4VideoStreamDiscreteFramer::doGetNextFrame(), MPEG2TransportStreamTrickModeFilter::doGetNextFrame(), MPEG2TransportStreamFramer::doGetNextFrame(), MPEG1or2VideoStreamDiscreteFramer::doGetNextFrame(), MPEG1or2DemuxedElementaryStream::doGetNextFrame(), MPEG1or2AudioStreamFramer::doGetNextFrame(), H264VideoStreamDiscreteFramer::doGetNextFrame(), H264FUAFragmenter::doGetNextFrame(), H263plusVideoStreamFramer::doGetNextFrame(), doGetNextFrame(), ByteStreamMultiFileSource::doGetNextFrame(), ByteStreamMemoryBufferSource::doGetNextFrame(), AMRDeinterleaver::doGetNextFrame(), AMRAudioFileSource::doGetNextFrame(), ADTSAudioFileSource::doGetNextFrame(), AC3AudioStreamFramer::doGetNextFrame(), MultiFramedRTPSource::doGetNextFrame1(), MP3FileSource::doGetNextFrame1(), ADUFromMP3Source::doGetNextFrame1(), ByteStreamFileSource::doReadFromFile(), 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.

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

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
char const *	profileName ()
Boolean	getFrameParameters (unsigned &frameSize, double &frameDuration)
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	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 DVVideoStreamFramer *	createNew (UsageEnvironment &env, FramedSource *inputSource, Boolean sourceIsSeekable=False)
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
	DVVideoStreamFramer (UsageEnvironment &env, FramedSource *inputSource, Boolean sourceIsSeekable)
virtual	~DVVideoStreamFramer ()
virtual char const *	MIMEtype () const
virtual void	getAttributes () const
virtual void	doStopGettingFrames ()
TaskToken &	nextTask ()
Protected Attributes
FramedSource *	fInputSource
unsigned char *	fTo
unsigned	fMaxSize
unsigned	fFrameSize
unsigned	fNumTruncatedBytes
timeval	fPresentationTime
unsigned	fDurationInMicroseconds
Private Member Functions
virtual Boolean	isDVVideoStreamFramer () const
virtual void	doGetNextFrame ()
void	getAndDeliverData ()
void	afterGettingFrame1 (unsigned frameSize, unsigned numTruncatedBytes)
void	getProfile ()
Static Private Member Functions
static void	afterGettingFrame (void *clientData, unsigned frameSize, unsigned numTruncatedBytes, struct timeval presentationTime, unsigned durationInMicroseconds)
Private Attributes
void const *	fOurProfile
timeval	fNextFramePresentationTime
unsigned char	fSavedInitialBlocks [DV_SAVED_INITIAL_BLOCKS_SIZE]
char	fInitialBlocksPresent
Boolean	fSourceIsSeekable
Friends
class	MediaLookupTable

DVVideoStreamFramer 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