live: MP3FileSource 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.

MP3FileSource::MP3FileSource	(	UsageEnvironment &	env,
		FILE *	fid
	)			`[protected]`

Definition at line 27 of file MP3FileSource.cpp.

Referenced by createNew().

00028   : FramedFileSource(env, fid),
00029     fStreamState(new MP3StreamState(env)) {
00030 }

MP3FileSource::~MP3FileSource ( ) [protected, virtual]

Definition at line 32 of file MP3FileSource.cpp.

References fStreamState.

00032                               {
00033   delete fStreamState;
00034 }

MP3FileSource * MP3FileSource::createNew	(	UsageEnvironment &	env,
		char const *	fileName
	)			`[static]`

Definition at line 40 of file MP3FileSource.cpp.

References assignStream(), Medium::close(), env, fileSize(), GetFileSize(), initializeStream(), MP3FileSource(), NULL, and OpenInputFile().

Referenced by MP3AudioFileServerMediaSubsession::createNewStreamSource().

00040                                                                                    {
00041   MP3FileSource* newSource = NULL;
00042 
00043   do {
00044     FILE* fid;
00045 
00046     fid = OpenInputFile(env, fileName);
00047     if (fid == NULL) break;
00048 
00049     newSource = new MP3FileSource(env, fid);
00050     if (newSource == NULL) break;
00051 
00052     unsigned fileSize = (unsigned)GetFileSize(fileName, fid);
00053     newSource->assignStream(fid, fileSize);
00054     if (!newSource->initializeStream()) break;
00055 
00056     return newSource;
00057   } while (0);
00058 
00059   Medium::close(newSource);
00060   return NULL;
00061 }

float MP3FileSource::filePlayTime ( ) const

Definition at line 63 of file MP3FileSource.cpp.

References MP3StreamState::filePlayTime(), and fStreamState.

Referenced by MP3AudioFileServerMediaSubsession::createNewStreamSource(), and seekWithinFile().

00063                                         {
00064   return fStreamState->filePlayTime();
00065 }

unsigned MP3FileSource::fileSize ( ) const

Definition at line 67 of file MP3FileSource.cpp.

References MP3StreamState::fileSize(), and fStreamState.

Referenced by createNew(), and MP3AudioFileServerMediaSubsession::createNewStreamSource().

00067                                        {
00068   return fStreamState->fileSize();
00069 }

void MP3FileSource::setPresentationTimeScale ( unsigned scale )

Definition at line 71 of file MP3FileSource.cpp.

References fStreamState, and MP3StreamState::setPresentationTimeScale().

00071                                                            {
00072   fStreamState->setPresentationTimeScale(scale);
00073 }

void MP3FileSource::seekWithinFile	(	double	seekNPT,
		double	streamDuration
	)

Definition at line 75 of file MP3FileSource.cpp.

References False, filePlayTime(), fLimitNumBytesToStream, fNumBytesToStream, fStreamState, MP3StreamState::getByteNumberFromPositionFraction(), MP3StreamState::seekWithinFile(), and True.

00075                                                                         {
00076   float fileDuration = filePlayTime();
00077 
00078   // First, make sure that 0.0 <= seekNPT <= seekNPT + streamDuration <= fileDuration
00079   if (seekNPT < 0.0) {
00080     seekNPT = 0.0;
00081   } else if (seekNPT > fileDuration) {
00082     seekNPT = fileDuration;
00083   }
00084   if (streamDuration < 0.0) {
00085     streamDuration = 0.0;
00086   } else if (seekNPT + streamDuration > fileDuration) {
00087     streamDuration = fileDuration - seekNPT; 
00088   }
00089 
00090   float seekFraction = (float)seekNPT/fileDuration;
00091   unsigned seekByteNumber = fStreamState->getByteNumberFromPositionFraction(seekFraction);
00092   fStreamState->seekWithinFile(seekByteNumber);
00093 
00094   fLimitNumBytesToStream = False; // by default
00095   if (streamDuration > 0.0) {
00096     float endFraction = (float)(seekNPT + streamDuration)/fileDuration;
00097     unsigned endByteNumber = fStreamState->getByteNumberFromPositionFraction(endFraction);
00098     if (endByteNumber > seekByteNumber) { // sanity check
00099       fNumBytesToStream = endByteNumber - seekByteNumber;
00100       fLimitNumBytesToStream = True;
00101     }
00102   } else {
00103   }
00104 }

void MP3FileSource::assignStream	(	FILE *	fid,
		unsigned	filesize
	)			`[protected]`

Definition at line 157 of file MP3FileSource.cpp.

References MP3StreamState::assignStream(), and fStreamState.

Referenced by createNew().

00157                                                              {
00158   fStreamState->assignStream(fid, fileSize);
00159 }

Boolean MP3FileSource::initializeStream ( ) [protected]

Definition at line 162 of file MP3FileSource.cpp.

References MP3StreamState::checkForXingHeader(), Medium::envir(), False, fFirstFramePresentationTime, fHaveJustInitialized, MP3StreamState::findNextHeader(), fLimitNumBytesToStream, fNumBytesToStream, fStreamState, Medium::name(), UsageEnvironment::setResultMsg(), and True.

Referenced by createNew().

00162                                         {
00163   // Make sure the file has an appropriate header near the start:
00164   if (fStreamState->findNextHeader(fFirstFramePresentationTime) == 0) {
00165       envir().setResultMsg("not an MPEG audio file");
00166       return False;
00167   }
00168 
00169   fStreamState->checkForXingHeader(); // in case this is a VBR file
00170 
00171   fHaveJustInitialized = True;
00172   fLimitNumBytesToStream = False;
00173   fNumBytesToStream = 0;
00174 
00175   // Hack: It's possible that our environment's 'result message' has been
00176   // reset within this function, so set it again to our name now:
00177   envir().setResultMsg(name());
00178   return True;
00179 }

MP3StreamState* MP3FileSource::streamState ( ) [inline, protected]

Definition at line 50 of file MP3FileSource.hh.

References fStreamState.

00050 {return fStreamState;}

void MP3FileSource::doGetNextFrame ( ) [private, virtual]

Implements FramedSource.

Definition at line 112 of file MP3FileSource.cpp.

References FramedSource::afterGetting(), doGetNextFrame1(), Medium::envir(), FramedSource::handleClosure(), Medium::nextTask(), TaskScheduler::scheduleDelayedTask(), and UsageEnvironment::taskScheduler().

00112                                    {
00113   if (!doGetNextFrame1()) {
00114     handleClosure(this);
00115     return;
00116   }
00117 
00118   // Switch to another task:
00119 #if defined(__WIN32__) || defined(_WIN32)
00120   // HACK: liveCaster/lc uses an implementation of scheduleDelayedTask()
00121   // that performs very badly (chewing up lots of CPU time, apparently polling)
00122   // on Windows.  Until this is fixed, we just call our "afterGetting()"
00123   // function directly.  This avoids infinite recursion, as long as our sink
00124   // is discontinuous, which is the case for the RTP sink that liveCaster/lc
00125   // uses. #####
00126   afterGetting(this);
00127 #else
00128   nextTask() = envir().taskScheduler().scheduleDelayedTask(0,
00129                                 (TaskFunc*)afterGetting, this);
00130 #endif
00131 }

char const * MP3FileSource::MIMEtype ( ) const [private, virtual]

Reimplemented from MediaSource.

Definition at line 36 of file MP3FileSource.cpp.

00036                                           {
00037   return "audio/MPEG";
00038 }

void MP3FileSource::getAttributes ( ) const [private, virtual]

Reimplemented from MediaSource.

Definition at line 106 of file MP3FileSource.cpp.

References Medium::envir(), fStreamState, MP3StreamState::getAttributes(), and UsageEnvironment::setResultMsg().

00106                                         {
00107   char buffer[200];
00108   fStreamState->getAttributes(buffer, sizeof buffer);
00109   envir().setResultMsg(buffer);
00110 }

Boolean MP3FileSource::doGetNextFrame1 ( ) [private, virtual]

Definition at line 133 of file MP3FileSource.cpp.

References Medium::envir(), False, FramedSource::fDurationInMicroseconds, fFirstFramePresentationTime, FramedSource::fFrameSize, fHaveJustInitialized, MP3StreamState::findNextHeader(), fLimitNumBytesToStream, FramedSource::fMaxSize, fNumBytesToStream, FramedSource::fPresentationTime, fStreamState, FramedSource::fTo, MP3StreamState::readFrame(), UsageEnvironment::setResultMsg(), and True.

Referenced by doGetNextFrame().

00133                                        {
00134   if (fLimitNumBytesToStream && fNumBytesToStream == 0) return False; // we've already streamed as much as we were asked for
00135 
00136   if (!fHaveJustInitialized) {
00137     if (fStreamState->findNextHeader(fPresentationTime) == 0) return False;
00138   } else {
00139     fPresentationTime = fFirstFramePresentationTime;
00140     fHaveJustInitialized = False;
00141   }
00142 
00143   if (!fStreamState->readFrame(fTo, fMaxSize, fFrameSize, fDurationInMicroseconds)) {
00144     char tmp[200];
00145     sprintf(tmp,
00146             "Insufficient buffer size %d for reading MPEG audio frame (needed %d)\n",
00147             fMaxSize, fFrameSize);
00148     envir().setResultMsg(tmp);
00149     fFrameSize = fMaxSize;
00150     return False;
00151   }
00152   if (fNumBytesToStream > fFrameSize) fNumBytesToStream -= fFrameSize; else fNumBytesToStream = 0;
00153 
00154   return True;
00155 }

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 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 }

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

Reimplemented in AMRDeinterleaver, BasicUDPSource, ByteStreamFileSource, FramedFilter, MPEG1or2DemuxedElementaryStream, MPEG2TransportStreamFramer, MPEG2TransportStreamFromESSource, MPEG2TransportStreamFromPESSource, MPEG2TransportStreamTrickModeFilter, MultiFramedRTPSource, T140IdleFilter, WAVAudioFileSource, QCELPDeinterleaver, and StreamReplica.

Definition at line 110 of file FramedSource.cpp.

References Medium::envir(), Medium::nextTask(), UsageEnvironment::taskScheduler(), and TaskScheduler::unscheduleDelayedTask().

Referenced by FramedFilter::doStopGettingFrames(), and FramedSource::stopGettingFrames().

00110                                        {
00111   // Default implementation: Do nothing except cancel any pending 'delivery' task:
00112   envir().taskScheduler().unscheduleDelayedTask(nextTask());
00113   // Subclasses may wish to redefine this function.
00114 }

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().

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 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(), 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.

MP3StreamState* MP3FileSource::fStreamState [private]

Definition at line 62 of file MP3FileSource.hh.

Referenced by assignStream(), doGetNextFrame1(), filePlayTime(), fileSize(), getAttributes(), initializeStream(), seekWithinFile(), setPresentationTimeScale(), streamState(), and ~MP3FileSource().

Boolean MP3FileSource::fHaveJustInitialized [private]

Definition at line 63 of file MP3FileSource.hh.

Referenced by doGetNextFrame1(), and initializeStream().

struct timeval MP3FileSource::fFirstFramePresentationTime [read, private]

Definition at line 64 of file MP3FileSource.hh.

Referenced by doGetNextFrame1(), and initializeStream().

Boolean MP3FileSource::fLimitNumBytesToStream [private]

Definition at line 65 of file MP3FileSource.hh.

Referenced by doGetNextFrame1(), initializeStream(), and seekWithinFile().

unsigned MP3FileSource::fNumBytesToStream [private]

Definition at line 66 of file MP3FileSource.hh.

Referenced by doGetNextFrame1(), initializeStream(), and seekWithinFile().

FILE* FramedFileSource::fFid [protected, inherited]

Definition at line 34 of file FramedFileSource.hh.

Referenced by ByteStreamFileSource::ByteStreamFileSource(), ByteStreamFileSource::doGetNextFrame(), ADTSAudioFileSource::doGetNextFrame(), ByteStreamFileSource::doReadFromFile(), ByteStreamFileSource::doStopGettingFrames(), ByteStreamFileSource::seekToByteAbsolute(), ByteStreamFileSource::seekToByteRelative(), ByteStreamFileSource::seekToEnd(), ADTSAudioFileSource::~ADTSAudioFileSource(), and ByteStreamFileSource::~ByteStreamFileSource().

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(), 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(), 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
float	filePlayTime () const
unsigned	fileSize () const
void	setPresentationTimeScale (unsigned scale)
void	seekWithinFile (double seekNPT, double streamDuration)
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 MP3FileSource *	createNew (UsageEnvironment &env, char const *fileName)
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
	MP3FileSource (UsageEnvironment &env, FILE *fid)
virtual	~MP3FileSource ()
void	assignStream (FILE *fid, unsigned filesize)
Boolean	initializeStream ()
MP3StreamState *	streamState ()
virtual void	doStopGettingFrames ()
TaskToken &	nextTask ()
Protected Attributes
FILE *	fFid
unsigned char *	fTo
unsigned	fMaxSize
unsigned	fFrameSize
unsigned	fNumTruncatedBytes
timeval	fPresentationTime
unsigned	fDurationInMicroseconds
Private Member Functions
virtual void	doGetNextFrame ()
virtual char const *	MIMEtype () const
virtual void	getAttributes () const
virtual Boolean	doGetNextFrame1 ()
Private Attributes
MP3StreamState *	fStreamState
Boolean	fHaveJustInitialized
timeval	fFirstFramePresentationTime
Boolean	fLimitNumBytesToStream
unsigned	fNumBytesToStream
Friends
class	MediaLookupTable

MP3FileSource Class Reference

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Friends

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Field Documentation