live: AMRAudioFileSource 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.

AMRAudioFileSource::AMRAudioFileSource	(	UsageEnvironment &	env,
		FILE *	fid,
		Boolean	isWideband,
		unsigned	numChannels
	)			`[private]`

Definition at line 88 of file AMRAudioFileSource.cpp.

Referenced by createNew().

00090   : AMRAudioSource(env, isWideband, numChannels),
00091     fFid(fid) {
00092 }

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

Definition at line 94 of file AMRAudioFileSource.cpp.

References CloseInputFile(), and fFid.

00094                                         {
00095   CloseInputFile(fFid);
00096 }

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

Definition at line 28 of file AMRAudioFileSource.cpp.

References AMRAudioFileSource(), CloseInputFile(), env, False, AMRAudioSource::isWideband(), NULL, AMRAudioSource::numChannels(), OpenInputFile(), UsageEnvironment::setResultMsg(), and True.

Referenced by AMRAudioFileServerMediaSubsession::createNewStreamSource(), and play().

00028                                                                          {
00029   FILE* fid = NULL;
00030   Boolean magicNumberOK = True;
00031   do {
00032 
00033     fid = OpenInputFile(env, fileName);
00034     if (fid == NULL) break;
00035 
00036     // Now, having opened the input file, read the first few bytes, to
00037     // check the required 'magic number':
00038     magicNumberOK = False; // until we learn otherwise
00039     Boolean isWideband = False; // by default
00040     unsigned numChannels = 1; // by default
00041     char buf[100];
00042     // Start with the first 6 bytes (the first 5 of which must be "#!AMR"):
00043     if (fread(buf, 1, 6, fid) < 6) break;
00044     if (strncmp(buf, "#!AMR", 5) != 0) break; // bad magic #
00045     unsigned bytesRead = 6;
00046 
00047     // The next bytes must be "\n", "-WB\n", "_MC1.0\n", or "-WB_MC1.0\n"
00048     if (buf[5] == '-') {
00049       // The next bytes must be "WB\n" or "WB_MC1.0\n"
00050       if (fread(&buf[bytesRead], 1, 3, fid) < 3) break;
00051       if (strncmp(&buf[bytesRead], "WB", 2) != 0) break; // bad magic #
00052       isWideband = True;
00053       bytesRead += 3;
00054     }
00055     if (buf[bytesRead-1] == '_') {
00056       // The next bytes must be "MC1.0\n"
00057       if (fread(&buf[bytesRead], 1, 6, fid) < 6) break;
00058       if (strncmp(&buf[bytesRead], "MC1.0\n", 6) != 0) break; // bad magic #
00059       bytesRead += 6;
00060 
00061       // The next 4 bytes contain the number of channels:
00062       char channelDesc[4];
00063       if (fread(channelDesc, 1, 4, fid) < 4) break;
00064       numChannels = channelDesc[3]&0xF;
00065     } else if (buf[bytesRead-1] != '\n') {
00066       break; // bad magic #
00067     }
00068 
00069     // If we get here, the magic number was OK:
00070     magicNumberOK = True;
00071 
00072 #ifdef DEBUG
00073     fprintf(stderr, "isWideband: %d, numChannels: %d\n",
00074             isWideband, numChannels);
00075 #endif
00076     return new AMRAudioFileSource(env, fid, isWideband, numChannels);
00077   } while (0);
00078 
00079   // An error occurred:
00080   CloseInputFile(fid);
00081   if (!magicNumberOK) {
00082     env.setResultMsg("Bad (or nonexistent) AMR file header");
00083   }
00084   return NULL;
00085 }

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

Implements FramedSource.

Definition at line 116 of file AMRAudioFileSource.cpp.

References FramedSource::afterGetting(), Medium::envir(), FramedSource::fDurationInMicroseconds, fFid, FramedSource::fFrameSize, AMRAudioSource::fIsWideband, AMRAudioSource::fLastFrameHeader, FramedSource::fMaxSize, AMRAudioSource::fNumChannels, FramedSource::fNumTruncatedBytes, FramedSource::fPresentationTime, frameSize, frameSizeWideband, FT_INVALID, FramedSource::fTo, FramedSource::handleClosure(), Medium::nextTask(), NULL, TaskScheduler::scheduleDelayedTask(), and UsageEnvironment::taskScheduler().

00116                                         {
00117   if (feof(fFid) || ferror(fFid)) {
00118     handleClosure(this);
00119     return;
00120   }
00121 
00122   // Begin by reading the 1-byte frame header (and checking it for validity)
00123   while (1) {
00124     if (fread(&fLastFrameHeader, 1, 1, fFid) < 1) {
00125       handleClosure(this);
00126       return;
00127     }
00128     if ((fLastFrameHeader&0x83) != 0) {
00129 #ifdef DEBUG
00130       fprintf(stderr, "Invalid frame header 0x%02x (padding bits (0x83) are not zero)\n", fLastFrameHeader);
00131 #endif
00132     } else {
00133       unsigned char ft = (fLastFrameHeader&0x78)>>3;
00134       fFrameSize = fIsWideband ? frameSizeWideband[ft] : frameSize[ft];
00135       if (fFrameSize == FT_INVALID) {
00136 #ifdef DEBUG
00137         fprintf(stderr, "Invalid FT field %d (from frame header 0x%02x)\n",
00138                 ft, fLastFrameHeader);
00139 #endif
00140       } else {
00141         // The frame header is OK
00142 #ifdef DEBUG
00143         fprintf(stderr, "Valid frame header 0x%02x -> ft %d -> frame size %d\n", fLastFrameHeader, ft, fFrameSize);
00144 #endif
00145         break;
00146       }
00147     }
00148   }
00149 
00150   // Next, read the frame-block into the buffer provided:
00151   fFrameSize *= fNumChannels; // because multiple channels make up a frame-block
00152   if (fFrameSize > fMaxSize) {
00153     fNumTruncatedBytes = fFrameSize - fMaxSize;
00154     fFrameSize = fMaxSize;
00155   }
00156   fFrameSize = fread(fTo, 1, fFrameSize, fFid);
00157 
00158   // Set the 'presentation time':
00159   if (fPresentationTime.tv_sec == 0 && fPresentationTime.tv_usec == 0) {
00160     // This is the first frame, so use the current time:
00161     gettimeofday(&fPresentationTime, NULL);
00162   } else {
00163     // Increment by the play time of the previous frame (20 ms)
00164     unsigned uSeconds   = fPresentationTime.tv_usec + 20000;
00165     fPresentationTime.tv_sec += uSeconds/1000000;
00166     fPresentationTime.tv_usec = uSeconds%1000000;
00167   }
00168 
00169   fDurationInMicroseconds = 20000; // each frame is 20 ms
00170 
00171   // Switch to another task, and inform the reader that he has data:
00172   nextTask() = envir().taskScheduler().scheduleDelayedTask(0,
00173                                 (TaskFunc*)FramedSource::afterGetting, this);
00174  }

Boolean AMRAudioSource::isWideband ( ) const [inline, inherited]

Definition at line 30 of file AMRAudioSource.hh.

References AMRAudioSource::fIsWideband.

Referenced by createNew(), AMRAudioFileServerMediaSubsession::createNewRTPSink(), and AMRAudioRTPSink::sourceIsCompatibleWithUs().

00030 { return fIsWideband; }

unsigned AMRAudioSource::numChannels ( ) const [inline, inherited]

Definition at line 31 of file AMRAudioSource.hh.

References AMRAudioSource::fNumChannels.

Referenced by createNew(), AMRAudioFileServerMediaSubsession::createNewRTPSink(), and AMRAudioRTPSink::sourceIsCompatibleWithUs().

00031 { return fNumChannels; }

u_int8_t AMRAudioSource::lastFrameHeader ( ) const [inline, inherited]

Definition at line 33 of file AMRAudioSource.hh.

References AMRAudioSource::fLastFrameHeader.

Referenced by AMRAudioRTPSink::doSpecialFrameHandling().

00033 { return fLastFrameHeader; }

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 }

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

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

Definition at line 110 of file FramedSource.cpp.

Referenced by FramedSource::stopGettingFrames().

00110                                        {
00111   // Default implementation: Do nothing
00112   // Subclasses may wish to specialize this so as to ensure that a
00113   // subsequent reader can pick up where this one left off.
00114 }

void MediaSource::getAttributes ( ) const [virtual, inherited]

Reimplemented in FramedFilter, MP3ADUTranscoder, MP3FileSource, and RTPSource.

Definition at line 82 of file MediaSource.cpp.

References Medium::envir(), and UsageEnvironment::setResultMsg().

Referenced by MP3ADUTranscoder::getAttributes(), and FramedFilter::getAttributes().

00082                                       {
00083   // Default implementation
00084   envir().setResultMsg("");
00085 }

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 }

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.

FILE* AMRAudioFileSource::fFid [private]

Definition at line 45 of file AMRAudioFileSource.hh.

Referenced by doGetNextFrame(), and ~AMRAudioFileSource().

Boolean AMRAudioSource::fIsWideband [protected, inherited]

Definition at line 47 of file AMRAudioSource.hh.

Referenced by doGetNextFrame(), and AMRAudioSource::isWideband().

unsigned AMRAudioSource::fNumChannels [protected, inherited]

Definition at line 48 of file AMRAudioSource.hh.

Referenced by doGetNextFrame(), and AMRAudioSource::numChannels().

u_int8_t AMRAudioSource::fLastFrameHeader [protected, inherited]

Definition at line 49 of file AMRAudioSource.hh.

Referenced by AMRDeinterleaver::doGetNextFrame(), doGetNextFrame(), and AMRAudioSource::lastFrameHeader().

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(), DVVideoStreamFramer::doGetNextFrame(), ByteStreamMultiFileSource::doGetNextFrame(), ByteStreamMemoryBufferSource::doGetNextFrame(), AMRDeinterleaver::doGetNextFrame(), doGetNextFrame(), ADTSAudioFileSource::doGetNextFrame(), AC3AudioStreamFramer::doGetNextFrame(), MultiFramedRTPSource::doGetNextFrame1(), MP3FileSource::doGetNextFrame1(), ADUFromMP3Source::doGetNextFrame1(), 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.

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(), DVVideoStreamFramer::doGetNextFrame(), ByteStreamMemoryBufferSource::doGetNextFrame(), AMRDeinterleaver::doGetNextFrame(), doGetNextFrame(), ADTSAudioFileSource::doGetNextFrame(), MultiFramedRTPSource::doGetNextFrame1(), MP3FileSource::doGetNextFrame1(), ADUFromMP3Source::doGetNextFrame1(), ByteStreamFileSource::doReadFromFile(), MatroskaDemuxedTrack::frameSize(), MP3FromADUSource::generateFrameFromHeadADU(), DVVideoStreamFramer::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
Boolean	isWideband () const
unsigned	numChannels () const
u_int8_t	lastFrameHeader () 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 void	getAttributes () 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
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 AMRAudioFileSource *	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
virtual void	doStopGettingFrames ()
TaskToken &	nextTask ()
Protected Attributes
Boolean	fIsWideband
unsigned	fNumChannels
u_int8_t	fLastFrameHeader
unsigned char *	fTo
unsigned	fMaxSize
unsigned	fFrameSize
unsigned	fNumTruncatedBytes
timeval	fPresentationTime
unsigned	fDurationInMicroseconds
Private Member Functions
	AMRAudioFileSource (UsageEnvironment &env, FILE *fid, Boolean isWideband, unsigned numChannels)
virtual	~AMRAudioFileSource ()
virtual void	doGetNextFrame ()
Private Attributes
FILE *	fFid
Friends
class	MediaLookupTable

AMRAudioFileSource 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