MPEG1or2AudioStreamFramer Class Reference

#include <MPEG1or2AudioStreamFramer.hh>

Inheritance diagram for MPEG1or2AudioStreamFramer:

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Collaboration diagram for MPEG1or2AudioStreamFramer:

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Public Types

typedef void( afterGettingFunc )(void *clientData, unsigned frameSize, unsigned numTruncatedBytes, struct timeval presentationTime, unsigned durationInMicroseconds)
typedef void( onCloseFunc )(void *clientData)

Public Member Functions

void flushInput ()
FramedSource * inputSource () 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 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 MPEG1or2AudioStreamFramer * createNew (UsageEnvironment &env, FramedSource *inputSource, Boolean syncWithInputSource=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 close (UsageEnvironment &env, char const *mediumName)
static void close (Medium *medium)

Protected Member Functions

virtual char const * MIMEtype () const
virtual void getAttributes () const
virtual void doStopGettingFrames ()
TaskToken & nextTask ()

Static Protected Member Functions

static void afterGetting (FramedSource *source)

Protected Attributes

FramedSource * fInputSource
unsigned char * fTo
unsigned fMaxSize
unsigned fFrameSize
unsigned fNumTruncatedBytes
timeval fPresentationTime
unsigned fDurationInMicroseconds

Private Member Functions

 MPEG1or2AudioStreamFramer (UsageEnvironment &env, FramedSource *inputSource, Boolean syncWithInputSource)
virtual ~MPEG1or2AudioStreamFramer ()
void continueReadProcessing ()
void resetPresentationTime (struct timeval newPresentationTime)
virtual void doGetNextFrame ()
void reset ()
timeval currentFramePlayTime () const

Static Private Member Functions

static void continueReadProcessing (void *clientData, unsigned char *ptr, unsigned size, struct timeval presentationTime)

Private Attributes

Boolean fSyncWithInputSource
timeval fNextFramePresentationTime
MPEG1or2AudioStreamParser * fParser

Friends

class MPEG1or2AudioStreamParser

Detailed Description

Definition at line 28 of file MPEG1or2AudioStreamFramer.hh.

Member Typedef Documentation

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.

Constructor & Destructor Documentation

MPEG1or2AudioStreamFramer::MPEG1or2AudioStreamFramer ( UsageEnvironment &  env,
FramedSource *  inputSource,
Boolean  syncWithInputSource 
) [private]

Definition at line 54 of file MPEG1or2AudioStreamFramer.cpp.

References reset().

Referenced by createNew().

00056   : FramedFilter(env, inputSource),
00057     fSyncWithInputSource(syncWithInputSource) {
00058   reset();
00059 
00060   fParser = new MPEG1or2AudioStreamParser(this, inputSource);
00061 }

MPEG1or2AudioStreamFramer::~MPEG1or2AudioStreamFramer (  )  [private, virtual]

Definition at line 63 of file MPEG1or2AudioStreamFramer.cpp.

References fParser.

00063                                                       {
00064   delete fParser;
00065 }

Member Function Documentation

MPEG1or2AudioStreamFramer * MPEG1or2AudioStreamFramer::createNew ( UsageEnvironment &  env,
FramedSource *  inputSource,
Boolean  syncWithInputSource = False 
) [static]

Definition at line 68 of file MPEG1or2AudioStreamFramer.cpp.

References env, FramedFilter::inputSource(), and MPEG1or2AudioStreamFramer().

Referenced by MPEG1or2DemuxedServerMediaSubsession::createNewStreamSource().

00070                                                                   {
00071   // Need to add source type checking here???  #####
00072   return new MPEG1or2AudioStreamFramer(env, inputSource, syncWithInputSource);
00073 }

void MPEG1or2AudioStreamFramer::flushInput (  ) 

Definition at line 75 of file MPEG1or2AudioStreamFramer.cpp.

References StreamParser::flushInput(), fParser, and reset().

Referenced by MPEG1or2DemuxedServerMediaSubsession::seekStreamSource().

00075                                            {
00076   reset();
00077   fParser->flushInput();
00078 }

void MPEG1or2AudioStreamFramer::continueReadProcessing ( void *  clientData,
unsigned char *  ptr,
unsigned  size,
struct timeval  presentationTime 
) [static, private]

Definition at line 123 of file MPEG1or2AudioStreamFramer.cpp.

References continueReadProcessing(), fSyncWithInputSource, and resetPresentationTime().

Referenced by continueReadProcessing().

00125                                                           {
00126   MPEG1or2AudioStreamFramer* framer = (MPEG1or2AudioStreamFramer*)clientData;
00127   if (framer->fSyncWithInputSource) {
00128     framer->resetPresentationTime(presentationTime);
00129   }
00130   framer->continueReadProcessing();
00131 }

void MPEG1or2AudioStreamFramer::continueReadProcessing (  )  [private]

Definition at line 133 of file MPEG1or2AudioStreamFramer.cpp.

References FramedSource::afterGetting(), currentFramePlayTime(), FramedSource::fDurationInMicroseconds, FramedSource::fFrameSize, fNextFramePresentationTime, FramedSource::fNumTruncatedBytes, fParser, FramedSource::fPresentationTime, MILLION, and MPEG1or2AudioStreamParser::parse().

Referenced by doGetNextFrame().

00133                                                        {
00134   unsigned acquiredFrameSize = fParser->parse(fNumTruncatedBytes);
00135   if (acquiredFrameSize > 0) {
00136     // We were able to acquire a frame from the input.
00137     // It has already been copied to the reader's space.
00138     fFrameSize = acquiredFrameSize;
00139 
00140     // Also set the presentation time, and increment it for next time,
00141     // based on the length of this frame:
00142     fPresentationTime = fNextFramePresentationTime;
00143     struct timeval framePlayTime = currentFramePlayTime();
00144     fDurationInMicroseconds = framePlayTime.tv_sec*MILLION + framePlayTime.tv_usec;
00145     fNextFramePresentationTime.tv_usec += framePlayTime.tv_usec;
00146     fNextFramePresentationTime.tv_sec
00147       += framePlayTime.tv_sec + fNextFramePresentationTime.tv_usec/MILLION;
00148     fNextFramePresentationTime.tv_usec %= MILLION;
00149 
00150     // Call our own 'after getting' function.  Because we're not a 'leaf'
00151     // source, we can call this directly, without risking infinite recursion.
00152     afterGetting(this);
00153   } else {
00154     // We were unable to parse a complete frame from the input, because:
00155     // - we had to read more data from the source stream, or
00156     // - the source stream has ended.
00157   }
00158 }

void MPEG1or2AudioStreamFramer::resetPresentationTime ( struct timeval  newPresentationTime  )  [private]

Definition at line 88 of file MPEG1or2AudioStreamFramer.cpp.

References fNextFramePresentationTime.

Referenced by continueReadProcessing(), and reset().

00088                                                           {
00089   fNextFramePresentationTime = newPresentationTime;
00090 }

void MPEG1or2AudioStreamFramer::doGetNextFrame (  )  [private, virtual]

Implements FramedSource.

Definition at line 92 of file MPEG1or2AudioStreamFramer.cpp.

References continueReadProcessing(), FramedSource::fMaxSize, fParser, FramedSource::fTo, and MPEG1or2AudioStreamParser::registerReadInterest().

00092                                                {
00093   fParser->registerReadInterest(fTo, fMaxSize);
00094   continueReadProcessing();
00095 }

void MPEG1or2AudioStreamFramer::reset (  )  [private]

Definition at line 80 of file MPEG1or2AudioStreamFramer.cpp.

References NULL, and resetPresentationTime().

Referenced by flushInput().

00080                                       {
00081   // Use the current wallclock time as the initial 'presentation time':
00082   struct timeval timeNow;
00083   gettimeofday(&timeNow, NULL);
00084   resetPresentationTime(timeNow);
00085 }

struct timeval MPEG1or2AudioStreamFramer::currentFramePlayTime (  )  const [read, private]

Definition at line 101 of file MPEG1or2AudioStreamFramer.cpp.

References MPEG1or2AudioStreamParser::currentFrame(), fParser, MILLION, and numSamplesByLayer.

Referenced by continueReadProcessing().

00101                                                                      {
00102   MP3FrameParams const& fr = fParser->currentFrame();
00103   unsigned const numSamples = numSamplesByLayer[fr.layer];
00104 
00105   struct timeval result;
00106   unsigned const freq = fr.samplingFreq*(1 + fr.isMPEG2);
00107   if (freq == 0) {
00108     result.tv_sec = 0;
00109     result.tv_usec = 0;
00110     return result;
00111   }
00112 
00113   // result is numSamples/freq
00114   unsigned const uSeconds
00115     = ((numSamples*2*MILLION)/freq + 1)/2; // rounds to nearest integer
00116 
00117   result.tv_sec = uSeconds/MILLION;
00118   result.tv_usec = uSeconds%MILLION;
00119   return result;
00120 }

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

Definition at line 30 of file FramedFilter.hh.

References FramedFilter::fInputSource.

Referenced by AC3AudioStreamFramer::AC3AudioStreamFramer(), EndianSwap16::createNew(), HostFromNetworkOrder16::createNew(), NetworkFromHostOrder16::createNew(), PCMFromuLawAudioSource::createNew(), QCELPDeinterleaver::createNew(), MPEG4VideoStreamFramer::createNew(), MPEG4VideoStreamDiscreteFramer::createNew(), MPEG2IFrameIndexFromTransportStream::createNew(), MPEG1or2VideoStreamFramer::createNew(), MPEG1or2VideoStreamDiscreteFramer::createNew(), createNew(), MP3Transcoder::createNew(), MP3ADUTranscoder::createNew(), MP3ADUdeinterleaver::createNew(), MP3ADUinterleaver::createNew(), MP3FromADUSource::createNew(), ADUFromMP3Source::createNew(), H263plusVideoStreamFramer::createNew(), AC3AudioStreamFramer::createNew(), H264VideoRTPSink::doSpecialFrameHandling(), MP3ADUinterleaverBase::getInputSource(), H263plusVideoStreamFramer::H263plusVideoStreamFramer(), MPEG1or2VideoStreamFramer::MPEG1or2VideoStreamFramer(), MPEG4VideoStreamFramer::MPEG4VideoStreamFramer(), MP3AudioFileServerMediaSubsession::seekStreamSource(), ClientTrickPlayState::setSource(), and MP3AudioFileServerMediaSubsession::setStreamSourceScale().

00030 { return fInputSource; }

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, and MPEG2TransportStreamTrickModeFilter.

Definition at line 49 of file FramedFilter.cpp.

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

Referenced by 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 62 of file MediaSource.cpp.

References env, False, Medium::isSource(), Medium::lookupByName(), NULL, and True.

Referenced by RTPSource::lookupByName(), and FramedSource::lookupByName().

00064                                                               {
00065   resultSource = NULL; // unless we succeed
00066 
00067   Medium* medium;
00068   if (!Medium::lookupByName(env, sourceName, medium)) return False;
00069 
00070   if (!medium->isSource()) {
00071     env.setResultMsg(sourceName, " is not a media source");
00072     return False;
00073   }
00074 
00075   resultSource = (MediaSource*)medium;
00076   return True;
00077 }

Boolean Medium::lookupByName ( UsageEnvironment &  env,
char const *  mediumName,
Medium *&  resultMedium 
) [static, inherited]

Definition at line 65 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().

00066                                                          {
00067   resultMedium = MediaLookupTable::ourMedia(env)->lookup(mediumName);
00068   if (resultMedium == NULL) {
00069     env.setResultMsg("Medium ", mediumName, " does not exist");
00070     return False;
00071   }
00072 
00073   return True;
00074 }

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, and True.

Referenced by MPEG2TransportStreamFramer::afterGettingFrame1(), InputESSourceRecord::askForNewData(), MPEG2TransportStreamFromPESSource::awaitNewBuffer(), QuickTimeFileSink::continuePlaying(), DummySink::continuePlaying(), HTTPSink::continuePlaying(), FileSink::continuePlaying(), AVIFileSink::continuePlaying(), BasicUDPSink::continuePlaying1(), EndianSwap16::doGetNextFrame(), HostFromNetworkOrder16::doGetNextFrame(), NetworkFromHostOrder16::doGetNextFrame(), PCMFromuLawAudioSource::doGetNextFrame(), uLawFromPCMAudioSource::doGetNextFrame(), QCELPDeinterleaver::doGetNextFrame(), MPEG4VideoStreamDiscreteFramer::doGetNextFrame(), MPEG2TransportStreamFramer::doGetNextFrame(), MPEG2IFrameIndexFromTransportStream::doGetNextFrame(), MPEG1or2VideoStreamDiscreteFramer::doGetNextFrame(), MP3ADUTranscoder::doGetNextFrame(), MP3ADUdeinterleaver::doGetNextFrame(), MP3ADUinterleaver::doGetNextFrame(), H264FUAFragmenter::doGetNextFrame(), ByteStreamMultiFileSource::doGetNextFrame(), AMRDeinterleaver::doGetNextFrame(), SegmentQueue::enqueueNewSegment(), StreamParser::ensureValidBytes1(), MultiFramedRTPSink::packFrame(), AC3AudioStreamParser::readAndSaveAFrame(), and MPEG2TransportStreamTrickModeFilter::readTransportPacket().

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     exit(1);
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.

Referenced by MPEG2TransportStreamFramer::afterGettingFrame1(), MP3ADUTranscoder::afterGettingFrame1(), InputESSourceRecord::askForNewData(), MPEG2TransportStreamFromPESSource::awaitNewBuffer(), WAVAudioFileSource::doGetNextFrame(), EndianSwap16::doGetNextFrame(), HostFromNetworkOrder16::doGetNextFrame(), NetworkFromHostOrder16::doGetNextFrame(), PCMFromuLawAudioSource::doGetNextFrame(), uLawFromPCMAudioSource::doGetNextFrame(), QCELPDeinterleaver::doGetNextFrame(), MPEG4VideoStreamDiscreteFramer::doGetNextFrame(), MPEG2TransportStreamFramer::doGetNextFrame(), MPEG1or2VideoStreamDiscreteFramer::doGetNextFrame(), MPEG1or2DemuxedElementaryStream::doGetNextFrame(), MP3FileSource::doGetNextFrame(), MP3ADUTranscoder::doGetNextFrame(), MP3ADUdeinterleaver::doGetNextFrame(), MP3ADUinterleaver::doGetNextFrame(), ADUFromMP3Source::doGetNextFrame(), H264FUAFragmenter::doGetNextFrame(), DeviceSource::doGetNextFrame(), ByteStreamMultiFileSource::doGetNextFrame(), ByteStreamFileSource::doGetNextFrame(), AMRDeinterleaver::doGetNextFrame(), AMRAudioFileSource::doGetNextFrame(), ADTSAudioFileSource::doGetNextFrame(), ByteStreamFileSource::doReadFromFile(), SegmentQueue::enqueueNewSegment(), MPEG2IFrameIndexFromTransportStream::handleInputClosure1(), and MPEG2TransportStreamTrickModeFilter::onSourceClosure1().

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 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 afterPlaying(), InputESSourceRecord::askForNewData(), MPEG2TransportStreamFromESSource::awaitNewBuffer(), QuickTimeFileSink::continuePlaying(), AVIFileSink::continuePlaying(), DeviceSource::deliverFrame(), QCELPDeinterleaver::doGetNextFrame(), AMRDeinterleaver::doGetNextFrame(), ByteStreamFileSource::fileReadableHandler(), and BasicUDPSource::incomingPacketHandler1().

00060 {return fIsCurrentlyAwaitingData;}

void FramedSource::afterGetting ( FramedSource *  source  )  [static, protected, 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.

Referenced by ByteStreamMultiFileSource::afterGettingFrame(), EndianSwap16::afterGettingFrame1(), HostFromNetworkOrder16::afterGettingFrame1(), NetworkFromHostOrder16::afterGettingFrame1(), PCMFromuLawAudioSource::afterGettingFrame1(), uLawFromPCMAudioSource::afterGettingFrame1(), MPEG2TransportStreamFramer::afterGettingFrame1(), MPEG1or2DemuxedElementaryStream::afterGettingFrame1(), MP3ADUTranscoder::afterGettingFrame1(), MPEG2TransportStreamTrickModeFilter::attemptDeliveryToClient(), MPEGVideoStreamFramer::continueReadProcessing(), continueReadProcessing(), H263plusVideoStreamFramer::continueReadProcessing(), DeviceSource::deliverFrame(), MPEG2IFrameIndexFromTransportStream::deliverIndexRecord(), WAVAudioFileSource::doGetNextFrame(), QCELPDeinterleaver::doGetNextFrame(), MPEG2TransportStreamTrickModeFilter::doGetNextFrame(), MPEG2TransportStreamMultiplexor::doGetNextFrame(), MP3FileSource::doGetNextFrame(), MP3ADUdeinterleaver::doGetNextFrame(), MP3ADUinterleaver::doGetNextFrame(), MP3FromADUSource::doGetNextFrame(), H264FUAFragmenter::doGetNextFrame(), AMRDeinterleaver::doGetNextFrame(), AMRAudioFileSource::doGetNextFrame(), ADTSAudioFileSource::doGetNextFrame(), MultiFramedRTPSource::doGetNextFrame1(), ADUFromMP3Source::doGetNextFrame1(), ByteStreamFileSource::doReadFromFile(), BasicUDPSource::incomingPacketHandler1(), and AC3AudioStreamFramer::parseNextFrame().

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 55 of file MediaSource.cpp.

References False.

Referenced by JPEGVideoRTPSink::sourceIsCompatibleWithUs().

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

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

Reimplemented in AMRAudioSource.

Definition at line 58 of file MediaSource.cpp.

References False.

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

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

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

Definition at line 76 of file Media.cpp.

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

Referenced by afterPlaying(), Medium::close(), closeMediaSinks(), OnDemandServerMediaSubsession::closeStreamSource(), WAVAudioFileSource::createNew(), QuickTimeFileSink::createNew(), QCELPAudioRTPSource::createNew(), MP3HTTPSource::createNew(), MP3FileSource::createNew(), AVIFileSink::createNew(), AMRAudioRTPSource::createNew(), WAVAudioFileServerMediaSubsession::createNewStreamSource(), MPEG1or2DemuxedServerMediaSubsession::createNewStreamSource(), MediaSubsession::deInitiate(), MediaSubsession::initiate(), MPEG1or2ProgramStreamFileDuration(), MPEG1or2Demux::noteElementaryStreamDeletion(), ByteStreamMultiFileSource::onSourceClosure1(), StreamState::reclaim(), RTSPServer::removeServerMediaSession(), OnDemandServerMediaSubsession::sdpLines(), shutdown(), H264VideoRTPSink::stopPlaying(), subsessionAfterPlaying(), ClientTrickPlayState::updateStateOnScaleChange(), AMRDeinterleaver::~AMRDeinterleaver(), ByteStreamMultiFileSource::~ByteStreamMultiFileSource(), DarwinInjector::~DarwinInjector(), FramedFilter::~FramedFilter(), H264VideoRTPSink::~H264VideoRTPSink(), InputESSourceRecord::~InputESSourceRecord(), MPEG1or2Demux::~MPEG1or2Demux(), MPEG1or2FileServerDemux::~MPEG1or2FileServerDemux(), MPEG2TransportFileServerMediaSubsession::~MPEG2TransportFileServerMediaSubsession(), MPEG2TransportStreamFromPESSource::~MPEG2TransportStreamFromPESSource(), ServerMediaSession::~ServerMediaSession(), and ServerMediaSubsession::~ServerMediaSubsession().

00076                                                           {
00077   MediaLookupTable::ourMedia(env)->remove(name);
00078 }

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

Definition at line 80 of file Media.cpp.

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

00080                                  {
00081   if (medium == NULL) return;
00082 
00083   close(medium->envir(), medium->name());
00084 }

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

Definition at line 59 of file Media.hh.

References Medium::fEnviron.

Referenced by QuickTimeFileSink::addArbitraryString(), FileSink::addData(), MPEG2IFrameIndexFromTransportStream::addToTail(), StreamParser::afterGettingBytes(), MultiFramedRTPSink::afterGettingFrame1(), InputESSourceRecord::afterGettingFrame1(), MPEG2TransportStreamFramer::afterGettingFrame1(), MPEG2IFrameIndexFromTransportStream::afterGettingFrame1(), HTTPSink::afterGettingFrame1(), BasicUDPSink::afterGettingFrame1(), MPEG4VideoFileServerMediaSubsession::afterPlayingDummy1(), MPEG4VideoStreamParser::analyzeVOLHeader(), RTSPClient::announceSDPDescription(), announceStream(), MPEG4VideoFileServerMediaSubsession::checkForAuxSDPLine1(), Medium::close(), MPEG2IFrameIndexFromTransportStream::compactParseBuffer(), QuickTimeFileSink::continuePlaying(), HTTPSink::continuePlaying(), H264VideoRTPSink::continuePlaying(), AVIFileSink::continuePlaying(), MPEG4VideoFileServerMediaSubsession::createNewRTPSink(), MPEG2TransportFileServerMediaSubsession::createNewRTPSink(), MPEG1or2VideoFileServerMediaSubsession::createNewRTPSink(), MPEG1or2DemuxedServerMediaSubsession::createNewRTPSink(), H263plusVideoFileServerMediaSubsession::createNewRTPSink(), AMRAudioFileServerMediaSubsession::createNewRTPSink(), ADTSAudioFileServerMediaSubsession::createNewRTPSink(), MPEG4VideoFileServerMediaSubsession::createNewStreamSource(), MPEG2TransportFileServerMediaSubsession::createNewStreamSource(), MPEG1or2VideoFileServerMediaSubsession::createNewStreamSource(), MPEG1or2DemuxedServerMediaSubsession::createNewStreamSource(), H263plusVideoFileServerMediaSubsession::createNewStreamSource(), AMRAudioFileServerMediaSubsession::createNewStreamSource(), ADTSAudioFileServerMediaSubsession::createNewStreamSource(), MPEG2IFrameIndexFromTransportStream::deliverIndexRecord(), SegmentQueue::dequeue(), RTSPClient::describeURL(), WAVAudioFileSource::doGetNextFrame(), MPEG2IFrameIndexFromTransportStream::doGetNextFrame(), MP3FileSource::doGetNextFrame(), H264FUAFragmenter::doGetNextFrame(), ByteStreamMultiFileSource::doGetNextFrame(), ByteStreamFileSource::doGetNextFrame(), BasicUDPSource::doGetNextFrame(), AMRAudioFileSource::doGetNextFrame(), ADTSAudioFileSource::doGetNextFrame(), MultiFramedRTPSource::doGetNextFrame1(), MP3FileSource::doGetNextFrame1(), ADUFromMP3Source::doGetNextFrame1(), SIPClient::doInviteStateMachine(), ByteStreamFileSource::doReadFromFile(), MPEG1or2VideoRTPSink::doSpecialFrameHandling(), MP3ADURTPSink::doSpecialFrameHandling(), H263plusVideoRTPSink::doSpecialFrameHandling(), ByteStreamFileSource::doStopGettingFrames(), BasicUDPSource::doStopGettingFrames(), SegmentQueue::enqueueNewSegment(), StreamParser::ensureValidBytes1(), MediaSubsession::env(), SubsessionIOState::envir(), RTSPServer::RTSPClientSession::envir(), RTSPOverHTTPServer::HTTPClientConnection::envir(), RTPInterface::envir(), AVISubsessionIOState::envir(), ServerMediaSession::generateSDPDescription(), RTPSource::getAttributes(), MP3FileSource::getAttributes(), MP3ADUTranscoder::getAttributes(), MediaSource::getAttributes(), MPEG4VideoFileServerMediaSubsession::getAuxSDPLine(), RTSPClient::getMediaSessionParameter(), getMPEG1or2TimeCode(), FramedSource::getNextFrame(), getOptionsResponse(), SIPClient::getResponse(), RTSPClient::getResponse(), RTSPClient::getResponse1(), SIPClient::getResponseCode(), getSDPDescriptionFromURL(), OnDemandServerMediaSubsession::getStreamParameters(), RTSPServer::incomingConnectionHandler1(),