live: MPEGVideoStreamFramer 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.

MPEGVideoStreamFramer::MPEGVideoStreamFramer	(	UsageEnvironment &	env,
		FramedSource *	inputSource
	)			`[protected]`

Definition at line 41 of file MPEGVideoStreamFramer.cpp.

References reset().

00043   : FramedFilter(env, inputSource),
00044     fFrameRate(0.0) /* until we learn otherwise */,
00045     fParser(NULL) {
00046   reset();
00047 }

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

Definition at line 49 of file MPEGVideoStreamFramer.cpp.

References fParser.

00049                                               {
00050   delete fParser;
00051 }

Boolean& MPEGVideoStreamFramer::pictureEndMarker ( ) [inline]

Definition at line 40 of file MPEGVideoStreamFramer.hh.

References fPictureEndMarker.

Referenced by MPEG4ESVideoRTPSink::doSpecialFrameHandling(), and MPEG1or2VideoRTPSink::doSpecialFrameHandling().

00040 { return fPictureEndMarker; }

void MPEGVideoStreamFramer::flushInput ( )

Definition at line 53 of file MPEGVideoStreamFramer.cpp.

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

Referenced by MPEG1or2DemuxedServerMediaSubsession::seekStreamSource().

00053                                        {
00054   reset();
00055   if (fParser != NULL) fParser->flushInput();
00056 }

void MPEGVideoStreamFramer::computePresentationTime ( unsigned numAdditionalPictures ) [protected]

Definition at line 74 of file MPEGVideoStreamFramer.cpp.

References TimeCode::days, fCurGOPTimeCode, fFrameRate, fPicturesAdjustment, fPictureTimeBase, FramedSource::fPresentationTime, fPresentationTimeBase, fTcSecsBase, TimeCode::hours, TimeCode::minutes, TimeCode::pictures, and TimeCode::seconds.

Referenced by MPEG1or2VideoStreamParser::parseGOPHeader(), MPEG4VideoStreamParser::parseGroupOfVideoObjectPlane(), MPEG1or2VideoStreamParser::parsePictureHeader(), MPEG1or2VideoStreamParser::parseSlice(), MPEG4VideoStreamParser::parseVideoObjectLayer(), MPEG4VideoStreamParser::parseVideoObjectPlane(), MPEG1or2VideoStreamParser::parseVideoSequenceHeader(), MPEG4VideoStreamParser::parseVisualObject(), and MPEG4VideoStreamParser::parseVisualObjectSequence().

00074                                                         {
00075   // Computes "fPresentationTime" from the most recent GOP's
00076   // time_code, along with the "numAdditionalPictures" parameter:
00077   TimeCode& tc = fCurGOPTimeCode;
00078 
00079   unsigned tcSecs
00080     = (((tc.days*24)+tc.hours)*60+tc.minutes)*60+tc.seconds - fTcSecsBase;
00081   double pictureTime = fFrameRate == 0.0 ? 0.0
00082     : (tc.pictures + fPicturesAdjustment + numAdditionalPictures)/fFrameRate;
00083   while (pictureTime < fPictureTimeBase) { // "if" should be enough, but just in case
00084     if (tcSecs > 0) tcSecs -= 1;
00085     pictureTime += 1.0;
00086   }
00087   pictureTime -= fPictureTimeBase;
00088   if (pictureTime < 0.0) pictureTime = 0.0; // sanity check
00089   unsigned pictureSeconds = (unsigned)pictureTime;
00090   double pictureFractionOfSecond = pictureTime - (double)pictureSeconds;
00091 
00092   fPresentationTime = fPresentationTimeBase;
00093   fPresentationTime.tv_sec += tcSecs + pictureSeconds;
00094   fPresentationTime.tv_usec += (long)(pictureFractionOfSecond*1000000.0);
00095   if (fPresentationTime.tv_usec >= 1000000) {
00096     fPresentationTime.tv_usec -= 1000000;
00097     ++fPresentationTime.tv_sec;
00098   }
00099 #ifdef DEBUG
00100   if (firstPT.tv_sec == 0 && firstPT.tv_usec == 0) firstPT = fPresentationTime;
00101   struct timeval diffPT;
00102   diffPT.tv_sec = fPresentationTime.tv_sec - firstPT.tv_sec;
00103   diffPT.tv_usec = fPresentationTime.tv_usec - firstPT.tv_usec;
00104   if (fPresentationTime.tv_usec < firstPT.tv_usec) {
00105     --diffPT.tv_sec;
00106     diffPT.tv_usec += 1000000;
00107   }
00108   fprintf(stderr, "MPEGVideoStreamFramer::computePresentationTime(%d) -> %lu.%06ld [%lu.%06ld]\n", numAdditionalPictures, fPresentationTime.tv_sec, fPresentationTime.tv_usec, diffPT.tv_sec, diffPT.tv_usec);
00109 #endif
00110 }

void MPEGVideoStreamFramer::setTimeCode	(	unsigned	hours,
		unsigned	minutes,
		unsigned	seconds,
		unsigned	pictures,
		unsigned	picturesSinceLastGOP
	)			`[protected]`

Definition at line 113 of file MPEGVideoStreamFramer.cpp.

References TimeCode::days, fCurGOPTimeCode, fFrameRate, fHaveSeenFirstTimeCode, fPicturesAdjustment, fPictureTimeBase, fPrevGOPTimeCode, fTcSecsBase, TimeCode::hours, TimeCode::minutes, TimeCode::pictures, TimeCode::seconds, and True.

Referenced by MPEG1or2VideoStreamParser::parseGOPHeader(), and MPEG4VideoStreamParser::parseGroupOfVideoObjectPlane().

00114                                                                 {
00115   TimeCode& tc = fCurGOPTimeCode; // abbrev
00116   unsigned days = tc.days;
00117   if (hours < tc.hours) {
00118     // Assume that the 'day' has wrapped around:
00119     ++days;
00120   }
00121   tc.days = days;
00122   tc.hours = hours;
00123   tc.minutes = minutes;
00124   tc.seconds = seconds;
00125   tc.pictures = pictures;
00126   if (!fHaveSeenFirstTimeCode) {
00127     fPictureTimeBase = fFrameRate == 0.0 ? 0.0 : tc.pictures/fFrameRate;
00128     fTcSecsBase = (((tc.days*24)+tc.hours)*60+tc.minutes)*60+tc.seconds;
00129     fHaveSeenFirstTimeCode = True;
00130   } else if (fCurGOPTimeCode == fPrevGOPTimeCode) {
00131     // The time code has not changed since last time.  Adjust for this:
00132     fPicturesAdjustment += picturesSinceLastGOP;
00133   } else {
00134     // Normal case: The time code changed since last time.
00135     fPrevGOPTimeCode = tc;
00136     fPicturesAdjustment = 0;
00137   }
00138 }

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

Implements FramedSource.

Reimplemented in MPEG1or2VideoStreamDiscreteFramer, and MPEG4VideoStreamDiscreteFramer.

Definition at line 140 of file MPEGVideoStreamFramer.cpp.

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

00140                                            {
00141   fParser->registerReadInterest(fTo, fMaxSize);
00142   continueReadProcessing();
00143 }

void MPEGVideoStreamFramer::reset ( ) [private]

Definition at line 58 of file MPEGVideoStreamFramer.cpp.

References False, fHaveSeenFirstTimeCode, fPictureCount, fPictureEndMarker, fPicturesAdjustment, fPictureTimeBase, fPresentationTimeBase, fTcSecsBase, and NULL.

Referenced by flushInput(), MPEG1or2VideoStreamParser::MPEG1or2VideoStreamParser(), and MPEGVideoStreamFramer().

00058                                   {
00059   fPictureCount = 0;
00060   fPictureEndMarker = False;
00061   fPicturesAdjustment = 0;
00062   fPictureTimeBase = 0.0;
00063   fTcSecsBase = 0;
00064   fHaveSeenFirstTimeCode = False;
00065 
00066   // Use the current wallclock time as the base 'presentation time':
00067   gettimeofday(&fPresentationTimeBase, NULL);
00068 }

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

Definition at line 146 of file MPEGVideoStreamFramer.cpp.

References continueReadProcessing().

Referenced by continueReadProcessing().

00148                                                               {
00149   MPEGVideoStreamFramer* framer = (MPEGVideoStreamFramer*)clientData;
00150   framer->continueReadProcessing();
00151 }

void MPEGVideoStreamFramer::continueReadProcessing ( ) [private]

Definition at line 153 of file MPEGVideoStreamFramer.cpp.

References FramedSource::afterGetting(), FramedSource::fDurationInMicroseconds, fFrameRate, FramedSource::fFrameSize, FramedSource::fNumTruncatedBytes, fParser, fPictureCount, MPEGVideoStreamParser::numTruncatedBytes(), and MPEGVideoStreamParser::parse().

Referenced by doGetNextFrame().

00153                                                    {
00154   unsigned acquiredFrameSize = fParser->parse();
00155   if (acquiredFrameSize > 0) {
00156     // We were able to acquire a frame from the input.
00157     // It has already been copied to the reader's space.
00158     fFrameSize = acquiredFrameSize;
00159     fNumTruncatedBytes = fParser->numTruncatedBytes();
00160 
00161     // "fPresentationTime" should have already been computed.
00162 
00163     // Compute "fDurationInMicroseconds" now:
00164     fDurationInMicroseconds
00165       = (fFrameRate == 0.0 || ((int)fPictureCount) < 0) ? 0
00166       : (unsigned)((fPictureCount*1000000)/fFrameRate);
00167 #ifdef DEBUG
00168     fprintf(stderr, "fDurationInMicroseconds: %d ((%d*1000000)/%f)\n", fDurationInMicroseconds, fPictureCount, fFrameRate);
00169 #endif
00170     fPictureCount = 0;
00171 
00172     // Call our own 'after getting' function.  Because we're not a 'leaf'
00173     // source, we can call this directly, without risking infinite recursion.
00174     afterGetting(this);
00175   } else {
00176     // We were unable to parse a complete frame from the input, because:
00177     // - we had to read more data from the source stream, or
00178     // - the source stream has ended.
00179   }
00180 }

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(), MPEG1or2AudioStreamFramer::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.

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.

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.

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().

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(), Medi


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 &	pictureEndMarker ()
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 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
	MPEGVideoStreamFramer (UsageEnvironment &env, FramedSource *inputSource)
virtual	~MPEGVideoStreamFramer ()
void	computePresentationTime (unsigned numAdditionalPictures)
void	setTimeCode (unsigned hours, unsigned minutes, unsigned seconds, unsigned pictures, unsigned picturesSinceLastGOP)
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
double	fFrameRate
unsigned	fPictureCount
Boolean	fPictureEndMarker
MPEGVideoStreamParser *	fParser
FramedSource *	fInputSource
unsigned char *	fTo
unsigned	fMaxSize
unsigned	fFrameSize
unsigned	fNumTruncatedBytes
timeval	fPresentationTime
unsigned	fDurationInMicroseconds
Private Member Functions
virtual void	doGetNextFrame ()
void	reset ()
void	continueReadProcessing ()
Static Private Member Functions
static void	continueReadProcessing (void clientData, unsigned char ptr, unsigned size, struct timeval presentationTime)
Private Attributes
timeval	fPresentationTimeBase
TimeCode	fCurGOPTimeCode
TimeCode	fPrevGOPTimeCode
unsigned	fPicturesAdjustment
double	fPictureTimeBase
unsigned	fTcSecsBase
Boolean	fHaveSeenFirstTimeCode
Friends
class	MPEGVideoStreamParser

MPEGVideoStreamFramer Class Reference

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Private Member Functions

Static Private Member Functions

Private Attributes

Friends

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation