Medium Class Reference

#include <Media.hh>

Inheritance diagram for Medium:

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Collaboration diagram for Medium:

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Public Member Functions

UsageEnvironment & envir () const
char const * name () const
virtual Boolean isSource () 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 *mediumName, Medium *&resultMedium)
static void close (UsageEnvironment &env, char const *mediumName)
static void close (Medium *medium)

Protected Member Functions

 Medium (UsageEnvironment &env)
virtual ~Medium ()
TaskToken & nextTask ()

Private Attributes

UsageEnvironment & fEnviron
char fMediumName [mediumNameMaxLen]
TaskToken fNextTask

Friends

class MediaLookupTable

Detailed Description

Definition at line 50 of file Media.hh.

Constructor & Destructor Documentation

Medium::Medium ( UsageEnvironment &  env  )  [protected]

Definition at line 50 of file Media.cpp.

References MediaLookupTable::addNew(), env, fMediumName, MediaLookupTable::generateNewName(), mediumNameMaxLen, MediaLookupTable::ourMedia(), and UsageEnvironment::setResultMsg().

00051         : fEnviron(env), fNextTask(NULL) {
00052   // First generate a name for the new medium:
00053   MediaLookupTable::ourMedia(env)->generateNewName(fMediumName, mediumNameMaxLen);
00054   env.setResultMsg(fMediumName);
00055 
00056   // Then add it to our table:
00057   MediaLookupTable::ourMedia(env)->addNew(this, fMediumName);
00058 }

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

Definition at line 60 of file Media.cpp.

References fEnviron, fNextTask, UsageEnvironment::taskScheduler(), and TaskScheduler::unscheduleDelayedTask().

00060                 {
00061   // Remove any tasks that might be pending for us:
00062   fEnviron.taskScheduler().unscheduleDelayedTask(fNextTask);
00063 }

Member Function Documentation

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

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

Definition at line 76 of file Media.cpp.

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

Referenced by afterPlaying(), close(), closeMediaSinks(), OnDemandServerMediaSubsession::closeStreamSource(), WAVAudioFileSource::createNew(), QCELPAudioRTPSource::createNew(), MP3HTTPSource::createNew(), MP3FileSource::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]

Definition at line 80 of file Media.cpp.

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

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

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

Definition at line 59 of file Media.hh.

References 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(), 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(), RTSPOverHTTPServer::incomingConnectionHandler1(), RTCPInstance::incomingReportHandler1(), RTSPClient::incomingRequestHandler1(), MP3FileSource::initializeStream(), MediaSession::initializeWithSDP(), MediaSession::initiateByMediaType(), SIPClient::invite1(), DynamicRTSPServer::lookupServerMediaSession(), MPEG4GenericRTPSource::MPEG4GenericRTPSource(), MPEG1or2FileServerDemux::newElementaryStream(), MPEG1or2Demux::newElementaryStream(), MPEG4GenericBufferedPacket::nextEnclosedFrameSize(), AMRBufferedPacket::nextEnclosedFrameSize(), RTSPClient::openConnectionFromURL(), MPEG2TransportStreamIndexFile::openFid(), MPEG2IFrameIndexFromTransportStream::parseFrame(), AC3AudioStreamParser::parseFrame(), RTSPClient::parseGetParameterHeader(), MPEGProgramStreamParser::parsePackHeader(), MPEGProgramStreamParser::parsePESPacket(), SIPClient::parseResponseCode(), RTSPClient::parseResponseCode(), MediaSession::parseSDPLine(), MPEG1or2VideoStreamParser::parseSlice(), MPEGProgramStreamParser::parseSystemHeader(), MPEG4VideoStreamParser::parseVideoObjectLayer(), MPEG4VideoStreamParser::parseVideoObjectPlane(), MPEG4VideoStreamParser::parseVisualObject(), RTSPClient::pauseMediaSession(), RTSPClient::pauseMediaSubsession(), RTSPClient::playMediaSession(), RTSPClient::playMediaSubsession(), AC3AudioRTPSource::processSpecialHeader(), SIPClient::processURL(), AC3AudioStreamParser::readAndSaveAFrame(), RTSPClient::recordMediaSubsession(), MPEG1or2Demux::registerReadInterest(), RTCPInstance::reschedule(), RTSPServer::rtspURLPrefix(), RTCPInstance::schedule(), OnDemandServerMediaSubsession::sdpLines(), SIPClient::sendACK(), SIPClient::sendBYE(), SIPClient::sendINVITE(), RTSPClient::sendOptionsCmd(), MultiFramedRTPSink::sendPacketIfNecessary(), SIPClient::sendRequest(), RTSPClient::sendRequest(), DarwinInjector::setDestination(), RTSPClient::setMediaSessionParameter(), RTSPClient::setupHTTPTunneling(), RTSPClient::setupMediaSubsession(), QuickTimeFileSink::setWord(), AVIFileSink::setWord(), SIPClient::SIPClient(), AMRAudioRTPSink::sourceIsCompatibleWithUs(), QuickTimeFileSink::startPlaying(), StreamState::startPlaying(), MediaSink::startPlaying(), AVIFileSink::startPlaying(), MediaSink::stopPlaying(), RTSPClient::teardownMediaSession(), RTSPClient::teardownMediaSubsession(), SIPClient::timerAHandler(), SIPClient::timerBHandler(), SIPClient::timerDHandler(), ClientTrickPlayState::updateStateOnScaleChange(), MPEG2TransportStreamFramer::updateTSPacketDurationEstimate(), BasicUDPSource::~BasicUDPSource(), ByteStreamFileSource::~ByteStreamFileSource(), RTSPOverHTTPServer::HTTPClientConnection::~HTTPClientConnection(), RTSPClient::~RTSPClient(), and RTSPServer::~RTSPServer().

00059 {return fEnviron;}

char const* Medium::name (  )  const [inline]

Definition at line 61 of file Media.hh.

References fMediumName.

Referenced by QuickTimeFileSink::addAtom_hdlr2(), close(), MP3ADUTranscoder::createNew(), MP3FromADUSource::createNew(), ADUFromMP3Source::createNew(), and MP3FileSource::initializeStream().

00061 {return fMediumName;}

Boolean Medium::isSource (  )  const [virtual]

Reimplemented in MediaSource.

Definition at line 86 of file Media.cpp.

References False.

Referenced by MediaSource::lookupByName().

00086                                {
00087   return False; // default implementation
00088 }

Boolean Medium::isSink (  )  const [virtual]

Reimplemented in MediaSink.

Definition at line 90 of file Media.cpp.

References False.

Referenced by MediaSink::lookupByName().

00090                              {
00091   return False; // default implementation
00092 }

Boolean Medium::isRTCPInstance (  )  const [virtual]

Reimplemented in RTCPInstance.

Definition at line 94 of file Media.cpp.

References False.

Referenced by RTCPInstance::lookupByName().

00094                                      {
00095   return False; // default implementation
00096 }

Boolean Medium::isRTSPClient (  )  const [virtual]

Reimplemented in RTSPClient.

Definition at line 98 of file Media.cpp.

References False.

Referenced by RTSPClient::lookupByName().

00098                                    {
00099   return False; // default implementation
00100 }

Boolean Medium::isRTSPServer (  )  const [virtual]

Reimplemented in RTSPServer.

Definition at line 102 of file Media.cpp.

References False.

Referenced by RTSPServer::lookupByName().

00102                                    {
00103   return False; // default implementation
00104 }

Boolean Medium::isMediaSession (  )  const [virtual]

Reimplemented in MediaSession.

Definition at line 106 of file Media.cpp.

References False.

Referenced by MediaSession::lookupByName().

00106                                      {
00107   return False; // default implementation
00108 }

Boolean Medium::isServerMediaSession (  )  const [virtual]

Reimplemented in ServerMediaSession.

Definition at line 110 of file Media.cpp.

References False.

Referenced by ServerMediaSession::lookupByName().

00110                                            {
00111   return False; // default implementation
00112 }

Boolean Medium::isDarwinInjector (  )  const [virtual]

Reimplemented in DarwinInjector.

Definition at line 114 of file Media.cpp.

References False.

Referenced by DarwinInjector::lookupByName().

00114                                        {
00115   return False; // default implementation
00116 }

TaskToken& Medium::nextTask (  )  [inline, protected]

Definition at line 77 of file Media.hh.

References fNextTask.

Referenced by BasicUDPSink::afterGettingFrame1(), MPEG4VideoFileServerMediaSubsession::afterPlayingDummy1(), MPEG4VideoFileServerMediaSubsession::checkForAuxSDPLine1(), WAVAudioFileSource::doGetNextFrame(), MP3FileSource::doGetNextFrame(), AMRAudioFileSource::doGetNextFrame(), ADTSAudioFileSource::doGetNextFrame(), MultiFramedRTPSource::doGetNextFrame1(), ByteStreamFileSource::doReadFromFile(), RTCPInstance::reschedule(), RTCPInstance::schedule(), MultiFramedRTPSink::sendPacketIfNecessary(), and MediaSink::stopPlaying().

00077                         {
00078         return fNextTask;
00079   }

Friends And Related Function Documentation

friend class MediaLookupTable [friend]

Definition at line 82 of file Media.hh.

Field Documentation

UsageEnvironment& Medium::fEnviron [private]

Definition at line 83 of file Media.hh.

Referenced by envir(), and ~Medium().

char Medium::fMediumName[mediumNameMaxLen] [private]

Definition at line 84 of file Media.hh.

Referenced by Medium(), and name().

TaskToken Medium::fNextTask [private]

Definition at line 85 of file Media.hh.

Referenced by nextTask(), and ~Medium().

The documentation for this class was generated from the following files:
Generated on Tue Jul 22 06:40:49 2008 for live by  doxygen 1.5.2