MPEG1or2DemuxedServerMediaSubsession Class Reference

#include <MPEG1or2DemuxedServerMediaSubsession.hh>

Inheritance diagram for MPEG1or2DemuxedServerMediaSubsession:

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Collaboration diagram for MPEG1or2DemuxedServerMediaSubsession:

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Public Member Functions

unsigned trackNumber () const
char const * trackId ()
virtual void testScaleFactor (float &scale)
virtual void getAbsoluteTimeRange (char *&absStartTime, char *&absEndTime) const
void setServerAddressAndPortForSDP (netAddressBits addressBits, portNumBits portBits)
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 MPEG1or2DemuxedServerMediaSubsession * createNew (MPEG1or2FileServerDemux &demux, u_int8_t streamIdTag, Boolean reuseFirstSource, Boolean iFramesOnly=False, double vshPeriod=5.0)
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

virtual char const * sdpLines ()
virtual void getStreamParameters (unsigned clientSessionId, netAddressBits clientAddress, Port const &clientRTPPort, Port const &clientRTCPPort, int tcpSocketNum, unsigned char rtpChannelId, unsigned char rtcpChannelId, netAddressBits &destinationAddress, u_int8_t &destinationTTL, Boolean &isMulticast, Port &serverRTPPort, Port &serverRTCPPort, void *&streamToken)
virtual void startStream (unsigned clientSessionId, void *streamToken, TaskFunc *rtcpRRHandler, void *rtcpRRHandlerClientData, unsigned short &rtpSeqNum, unsigned &rtpTimestamp, ServerRequestAlternativeByteHandler *serverRequestAlternativeByteHandler, void *serverRequestAlternativeByteHandlerClientData)
virtual void pauseStream (unsigned clientSessionId, void *streamToken)
virtual void seekStream (unsigned clientSessionId, void *streamToken, double &seekNPT, double streamDuration, u_int64_t &numBytes)
virtual void seekStream (unsigned clientSessionId, void *streamToken, char *&absStart, char *&absEnd)
virtual void nullSeekStream (unsigned clientSessionId, void *streamToken)
virtual void setStreamScale (unsigned clientSessionId, void *streamToken, float scale)
virtual float getCurrentNPT (void *streamToken)
virtual FramedSource * getStreamSource (void *streamToken)
virtual void deleteStream (unsigned clientSessionId, void *&streamToken)
virtual char const * getAuxSDPLine (RTPSink *rtpSink, FramedSource *inputSource)
virtual void seekStreamSource (FramedSource *inputSource, char *&absStart, char *&absEnd)
virtual void setStreamSourceScale (FramedSource *inputSource, float scale)
virtual void closeStreamSource (FramedSource *inputSource)
char const * rangeSDPLine () const
TaskToken & nextTask ()

Protected Attributes

char * fSDPLines
HashTable * fDestinationsHashTable
ServerMediaSession * fParentSession
netAddressBits fServerAddressForSDP
portNumBits fPortNumForSDP

Private Member Functions

 MPEG1or2DemuxedServerMediaSubsession (MPEG1or2FileServerDemux &demux, u_int8_t streamIdTag, Boolean reuseFirstSource, Boolean iFramesOnly, double vshPeriod)
virtual ~MPEG1or2DemuxedServerMediaSubsession ()
virtual void seekStreamSource (FramedSource *inputSource, double &seekNPT, double streamDuration, u_int64_t &numBytes)
virtual FramedSource * createNewStreamSource (unsigned clientSessionId, unsigned &estBitrate)
virtual RTPSink * createNewRTPSink (Groupsock *rtpGroupsock, unsigned char rtpPayloadTypeIfDynamic, FramedSource *inputSource)
virtual float duration () const

Private Attributes

MPEG1or2FileServerDemux & fOurDemux
u_int8_t fStreamIdTag
Boolean fIFramesOnly
double fVSHPeriod

Friends

class MediaLookupTable

Detailed Description

Definition at line 32 of file MPEG1or2DemuxedServerMediaSubsession.hh.

Constructor & Destructor Documentation

MPEG1or2DemuxedServerMediaSubsession::MPEG1or2DemuxedServerMediaSubsession ( MPEG1or2FileServerDemux &  demux,
u_int8_t  streamIdTag,
Boolean  reuseFirstSource,
Boolean  iFramesOnly,
double  vshPeriod 
) [private]

Definition at line 40 of file MPEG1or2DemuxedServerMediaSubsession.cpp.

00043   : OnDemandServerMediaSubsession(demux.envir(), reuseFirstSource),
00044     fOurDemux(demux), fStreamIdTag(streamIdTag),
00045     fIFramesOnly(iFramesOnly), fVSHPeriod(vshPeriod) {
00046 }

MPEG1or2DemuxedServerMediaSubsession::~MPEG1or2DemuxedServerMediaSubsession (  )  [private, virtual]

Definition at line 48 of file MPEG1or2DemuxedServerMediaSubsession.cpp.

00048                                                                             {
00049 }

Member Function Documentation

MPEG1or2DemuxedServerMediaSubsession * MPEG1or2DemuxedServerMediaSubsession::createNew ( MPEG1or2FileServerDemux &  demux,
u_int8_t  streamIdTag,
Boolean  reuseFirstSource,
Boolean  iFramesOnly = False,
double  vshPeriod = 5.0 
) [static]

Definition at line 32 of file MPEG1or2DemuxedServerMediaSubsession.cpp.

References demux.

Referenced by MPEG1or2FileServerDemux::newAC3AudioServerMediaSubsession(), MPEG1or2FileServerDemux::newAudioServerMediaSubsession(), and MPEG1or2FileServerDemux::newVideoServerMediaSubsession().

00033                                                                              {
00034   return new MPEG1or2DemuxedServerMediaSubsession(demux, streamIdTag,
00035                                                   reuseFirstSource,
00036                                                   iFramesOnly, vshPeriod);
00037 }

void MPEG1or2DemuxedServerMediaSubsession::seekStreamSource ( FramedSource *  inputSource,
double &  seekNPT,
double  streamDuration,
u_int64_t &  numBytes 
) [private, virtual]

Reimplemented from OnDemandServerMediaSubsession.

Definition at line 97 of file MPEG1or2DemuxedServerMediaSubsession.cpp.

References duration(), MPEG1or2FileServerDemux::fileSize(), MPEG1or2Demux::flushInput(), MPEGVideoStreamFramer::flushInput(), MPEG1or2AudioStreamFramer::flushInput(), fOurDemux, fStreamIdTag, MPEG1or2Demux::inputSource(), ByteStreamFileSource::seekToByteAbsolute(), size, and MPEG1or2DemuxedElementaryStream::sourceDemux().

00097                                                                                                                  {
00098   float const dur = duration();
00099   unsigned const size = fOurDemux.fileSize();
00100   unsigned absBytePosition = dur == 0.0 ? 0 : (unsigned)((seekNPT/dur)*size);
00101 
00102   // "inputSource" is a 'framer'
00103   // Flush its data, to account for the seek that we're about to do:
00104   if ((fStreamIdTag&0xF0) == 0xC0 /*MPEG audio*/) {
00105     MPEG1or2AudioStreamFramer* framer = (MPEG1or2AudioStreamFramer*)inputSource;
00106     framer->flushInput();
00107   } else if ((fStreamIdTag&0xF0) == 0xE0 /*video*/) {
00108     MPEG1or2VideoStreamFramer* framer = (MPEG1or2VideoStreamFramer*)inputSource;
00109     framer->flushInput();
00110   }
00111 
00112   // "inputSource" is a filter; its input source is the original elem stream source:
00113   MPEG1or2DemuxedElementaryStream* elemStreamSource
00114     = (MPEG1or2DemuxedElementaryStream*)(((FramedFilter*)inputSource)->inputSource());
00115 
00116   // Next, get the original source demux:
00117   MPEG1or2Demux& sourceDemux = elemStreamSource->sourceDemux();
00118 
00119   // and flush its input buffers:
00120   sourceDemux.flushInput();
00121 
00122   // Then, get the original input file stream from the source demux:
00123   ByteStreamFileSource* inputFileSource
00124     = (ByteStreamFileSource*)(sourceDemux.inputSource());
00125   // Note: We can make that cast, because we know that the demux was originally
00126   // created from a "ByteStreamFileSource".
00127 
00128   // Do the appropriate seek within the input file stream:
00129   inputFileSource->seekToByteAbsolute(absBytePosition);
00130 }

FramedSource * MPEG1or2DemuxedServerMediaSubsession::createNewStreamSource ( unsigned  clientSessionId,
unsigned &  estBitrate 
) [private, virtual]

Implements OnDemandServerMediaSubsession.

Definition at line 52 of file MPEG1or2DemuxedServerMediaSubsession.cpp.

References Medium::close(), AC3AudioStreamFramer::createNew(), MPEG1or2VideoStreamFramer::createNew(), MPEG1or2AudioStreamFramer::createNew(), Medium::envir(), fIFramesOnly, fOurDemux, fStreamIdTag, fVSHPeriod, MPEG1or2FileServerDemux::newElementaryStream(), and NULL.

00052                                                                       {
00053   FramedSource* es = NULL;
00054   do {
00055     es = fOurDemux.newElementaryStream(clientSessionId, fStreamIdTag);
00056     if (es == NULL) break;
00057 
00058     if ((fStreamIdTag&0xF0) == 0xC0 /*MPEG audio*/) {
00059       estBitrate = 128; // kbps, estimate
00060       return MPEG1or2AudioStreamFramer::createNew(envir(), es);
00061     } else if ((fStreamIdTag&0xF0) == 0xE0 /*video*/) {
00062       estBitrate = 500; // kbps, estimate
00063       return MPEG1or2VideoStreamFramer::createNew(envir(), es,
00064                                                   fIFramesOnly, fVSHPeriod);
00065     } else if (fStreamIdTag == 0xBD /*AC-3 audio*/) {
00066       estBitrate = 192; // kbps, estimate
00067       return AC3AudioStreamFramer::createNew(envir(), es, 0x80);
00068     } else { // unknown stream type
00069       break;
00070     }
00071   } while (0);
00072 
00073   // An error occurred:
00074   Medium::close(es);
00075   return NULL;
00076 }

RTPSink * MPEG1or2DemuxedServerMediaSubsession::createNewRTPSink ( Groupsock *  rtpGroupsock,
unsigned char  rtpPayloadTypeIfDynamic,
FramedSource *  inputSource 
) [private, virtual]

Implements OnDemandServerMediaSubsession.

Definition at line 79 of file MPEG1or2DemuxedServerMediaSubsession.cpp.

References audioSource, AC3AudioRTPSink::createNew(), MPEG1or2VideoRTPSink::createNew(), MPEG1or2AudioRTPSink::createNew(), Medium::envir(), fStreamIdTag, and NULL.

00080                                               {
00081   if ((fStreamIdTag&0xF0) == 0xC0 /*MPEG audio*/) {
00082     return MPEG1or2AudioRTPSink::createNew(envir(), rtpGroupsock);
00083   } else if ((fStreamIdTag&0xF0) == 0xE0 /*video*/) {
00084     return MPEG1or2VideoRTPSink::createNew(envir(), rtpGroupsock);
00085   } else if (fStreamIdTag == 0xBD /*AC-3 audio*/) {
00086     // Get the sampling frequency from the audio source; use it for the RTP frequency:
00087     AC3AudioStreamFramer* audioSource
00088       = (AC3AudioStreamFramer*)inputSource;
00089     return AC3AudioRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
00090                                       audioSource->samplingRate());
00091   } else {
00092     return NULL;
00093   }
00094 }

float MPEG1or2DemuxedServerMediaSubsession::duration (  )  const [private, virtual]

Reimplemented from ServerMediaSubsession.

Definition at line 132 of file MPEG1or2DemuxedServerMediaSubsession.cpp.

References MPEG1or2FileServerDemux::fileDuration(), and fOurDemux.

Referenced by seekStreamSource().

00132                                                            {
00133   return fOurDemux.fileDuration();
00134 }

char const * OnDemandServerMediaSubsession::sdpLines (  )  [protected, virtual, inherited]

Implements ServerMediaSubsession.

Definition at line 50 of file OnDemandServerMediaSubsession.cpp.

References Medium::close(), OnDemandServerMediaSubsession::closeStreamSource(), OnDemandServerMediaSubsession::createNewRTPSink(), OnDemandServerMediaSubsession::createNewStreamSource(), Medium::envir(), OnDemandServerMediaSubsession::fSDPLines, NULL, OnDemandServerMediaSubsession::setSDPLinesFromRTPSink(), and ServerMediaSubsession::trackNumber().

Referenced by OnDemandServerMediaSubsession::setSDPLinesFromRTPSink().

00050                                         {
00051   if (fSDPLines == NULL) {
00052     // We need to construct a set of SDP lines that describe this
00053     // subsession (as a unicast stream).  To do so, we first create
00054     // dummy (unused) source and "RTPSink" objects,
00055     // whose parameters we use for the SDP lines:
00056     unsigned estBitrate;
00057     FramedSource* inputSource = createNewStreamSource(0, estBitrate);
00058     if (inputSource == NULL) return NULL; // file not found
00059 
00060     struct in_addr dummyAddr;
00061     dummyAddr.s_addr = 0;
00062     Groupsock dummyGroupsock(envir(), dummyAddr, 0, 0);
00063     unsigned char rtpPayloadType = 96 + trackNumber()-1; // if dynamic
00064     RTPSink* dummyRTPSink
00065       = createNewRTPSink(&dummyGroupsock, rtpPayloadType, inputSource);
00066 
00067     setSDPLinesFromRTPSink(dummyRTPSink, inputSource, estBitrate);
00068     Medium::close(dummyRTPSink);
00069     closeStreamSource(inputSource);
00070   }
00071 
00072   return fSDPLines;
00073 }

void OnDemandServerMediaSubsession::getStreamParameters ( unsigned  clientSessionId,
netAddressBits  clientAddress,
Port const &  clientRTPPort,
Port const &  clientRTCPPort,
int  tcpSocketNum,
unsigned char  rtpChannelId,
unsigned char  rtcpChannelId,
netAddressBits &  destinationAddress,
u_int8_t &  destinationTTL,
Boolean &  isMulticast,
Port &  serverRTPPort,
Port &  serverRTCPPort,
void *&  streamToken 
) [protected, virtual, inherited]

Implements ServerMediaSubsession.

Definition at line 76 of file OnDemandServerMediaSubsession.cpp.

References HashTable::Add(), BasicUDPSink::createNew(), OnDemandServerMediaSubsession::createNewRTPSink(), OnDemandServerMediaSubsession::createNewStreamSource(), Medium::envir(), False, OnDemandServerMediaSubsession::fDestinationsHashTable, OnDemandServerMediaSubsession::fInitialPortNum, OnDemandServerMediaSubsession::fLastStreamToken, OnDemandServerMediaSubsession::fReuseFirstSource, increaseSendBufferTo(), NULL, Port::num(), Groupsock::removeAllDestinations(), Socket::socketNum(), OnDemandServerMediaSubsession::StreamState, and ServerMediaSubsession::trackNumber().

00088                                           {
00089   if (destinationAddress == 0) destinationAddress = clientAddress;
00090   struct in_addr destinationAddr; destinationAddr.s_addr = destinationAddress;
00091   isMulticast = False;
00092 
00093   if (fLastStreamToken != NULL && fReuseFirstSource) {
00094     // Special case: Rather than creating a new 'StreamState',
00095     // we reuse the one that we've already created:
00096     serverRTPPort = ((StreamState*)fLastStreamToken)->serverRTPPort();
00097     serverRTCPPort = ((StreamState*)fLastStreamToken)->serverRTCPPort();
00098     ++((StreamState*)fLastStreamToken)->referenceCount();
00099     streamToken = fLastStreamToken;
00100   } else {
00101     // Normal case: Create a new media source:
00102     unsigned streamBitrate;
00103     FramedSource* mediaSource
00104       = createNewStreamSource(clientSessionId, streamBitrate);
00105 
00106     // Create 'groupsock' and 'sink' objects for the destination,
00107     // using previously unused server port numbers:
00108     RTPSink* rtpSink;
00109     BasicUDPSink* udpSink;
00110     Groupsock* rtpGroupsock;
00111     Groupsock* rtcpGroupsock;
00112     portNumBits serverPortNum;
00113     if (clientRTCPPort.num() == 0) {
00114       // We're streaming raw UDP (not RTP). Create a single groupsock:
00115       NoReuse dummy(envir()); // ensures that we skip over ports that are already in use
00116       for (serverPortNum = fInitialPortNum; ; ++serverPortNum) {
00117         struct in_addr dummyAddr; dummyAddr.s_addr = 0;
00118 
00119         serverRTPPort = serverPortNum;
00120         rtpGroupsock = new Groupsock(envir(), dummyAddr, serverRTPPort, 255);
00121         if (rtpGroupsock->socketNum() >= 0) break; // success
00122       }
00123 
00124       rtcpGroupsock = NULL;
00125       rtpSink = NULL;
00126       udpSink = BasicUDPSink::createNew(envir(), rtpGroupsock);
00127     } else {
00128       // Normal case: We're streaming RTP (over UDP or TCP).  Create a pair of
00129       // groupsocks (RTP and RTCP), with adjacent port numbers (RTP port number even):
00130       NoReuse dummy(envir()); // ensures that we skip over ports that are already in use
00131       for (portNumBits serverPortNum = fInitialPortNum; ; serverPortNum += 2) {
00132         struct in_addr dummyAddr; dummyAddr.s_addr = 0;
00133 
00134         serverRTPPort = serverPortNum;
00135         rtpGroupsock = new Groupsock(envir(), dummyAddr, serverRTPPort, 255);
00136         if (rtpGroupsock->socketNum() < 0) {
00137           delete rtpGroupsock;
00138           continue; // try again
00139         }
00140 
00141         serverRTCPPort = serverPortNum+1;
00142         rtcpGroupsock = new Groupsock(envir(), dummyAddr, serverRTCPPort, 255);
00143         if (rtcpGroupsock->socketNum() < 0) {
00144           delete rtpGroupsock;
00145           delete rtcpGroupsock;
00146           continue; // try again
00147         }
00148 
00149         break; // success
00150       }
00151 
00152       unsigned char rtpPayloadType = 96 + trackNumber()-1; // if dynamic
00153       rtpSink = createNewRTPSink(rtpGroupsock, rtpPayloadType, mediaSource);
00154       udpSink = NULL;
00155     }
00156 
00157     // Turn off the destinations for each groupsock.  They'll get set later
00158     // (unless TCP is used instead):
00159     if (rtpGroupsock != NULL) rtpGroupsock->removeAllDestinations();
00160     if (rtcpGroupsock != NULL) rtcpGroupsock->removeAllDestinations();
00161 
00162     if (rtpGroupsock != NULL) {
00163       // Try to use a big send buffer for RTP -  at least 0.1 second of
00164       // specified bandwidth and at least 50 KB
00165       unsigned rtpBufSize = streamBitrate * 25 / 2; // 1 kbps * 0.1 s = 12.5 bytes
00166       if (rtpBufSize < 50 * 1024) rtpBufSize = 50 * 1024;
00167       increaseSendBufferTo(envir(), rtpGroupsock->socketNum(), rtpBufSize);
00168     }
00169 
00170     // Set up the state of the stream.  The stream will get started later:
00171     streamToken = fLastStreamToken
00172       = new StreamState(*this, serverRTPPort, serverRTCPPort, rtpSink, udpSink,
00173                         streamBitrate, mediaSource,
00174                         rtpGroupsock, rtcpGroupsock);
00175   }
00176 
00177   // Record these destinations as being for this client session id:
00178   Destinations* destinations;
00179   if (tcpSocketNum < 0) { // UDP
00180     destinations = new Destinations(destinationAddr, clientRTPPort, clientRTCPPort);
00181   } else { // TCP
00182     destinations = new Destinations(tcpSocketNum, rtpChannelId, rtcpChannelId);
00183   }
00184   fDestinationsHashTable->Add((char const*)clientSessionId, destinations);
00185 }

void OnDemandServerMediaSubsession::startStream ( unsigned  clientSessionId,
void *  streamToken,
TaskFunc *  rtcpRRHandler,
void *  rtcpRRHandlerClientData,
unsigned short &  rtpSeqNum,
unsigned &  rtpTimestamp,
ServerRequestAlternativeByteHandler *  serverRequestAlternativeByteHandler,
void *  serverRequestAlternativeByteHandlerClientData 
) [protected, virtual, inherited]

Implements ServerMediaSubsession.

Reimplemented in MPEG2TransportFileServerMediaSubsession.

Definition at line 187 of file OnDemandServerMediaSubsession.cpp.

References RTPSink::currentSeqNo(), OnDemandServerMediaSubsession::fDestinationsHashTable, HashTable::Lookup(), NULL, RTPSink::presetNextTimestamp(), StreamState::rtpSink(), and StreamState::startPlaying().

Referenced by MPEG2TransportFileServerMediaSubsession::startStream().

00194                                                                                                      {
00195   StreamState* streamState = (StreamState*)streamToken;
00196   Destinations* destinations
00197     = (Destinations*)(fDestinationsHashTable->Lookup((char const*)clientSessionId));
00198   if (streamState != NULL) {
00199     streamState->startPlaying(destinations,
00200                               rtcpRRHandler, rtcpRRHandlerClientData,
00201                               serverRequestAlternativeByteHandler, serverRequestAlternativeByteHandlerClientData);
00202     RTPSink* rtpSink = streamState->rtpSink(); // alias
00203     if (rtpSink != NULL) {
00204       rtpSeqNum = rtpSink->currentSeqNo();
00205       rtpTimestamp = rtpSink->presetNextTimestamp();
00206     }
00207   }
00208 }

void OnDemandServerMediaSubsession::pauseStream ( unsigned  clientSessionId,
void *  streamToken 
) [protected, virtual, inherited]

Reimplemented from ServerMediaSubsession.

Reimplemented in MPEG2TransportFileServerMediaSubsession.

Definition at line 210 of file OnDemandServerMediaSubsession.cpp.

References OnDemandServerMediaSubsession::fReuseFirstSource, NULL, and StreamState::pause().

Referenced by MPEG2TransportFileServerMediaSubsession::pauseStream(), and MPEG2TransportFileServerMediaSubsession::startStream().

00211                                                                    {
00212   // Pausing isn't allowed if multiple clients are receiving data from
00213   // the same source:
00214   if (fReuseFirstSource) return;
00215 
00216   StreamState* streamState = (StreamState*)streamToken;
00217   if (streamState != NULL) streamState->pause();
00218 }

void OnDemandServerMediaSubsession::seekStream ( unsigned  clientSessionId,
void *  streamToken,
double &  seekNPT,
double  streamDuration,
u_int64_t &  numBytes 
) [protected, virtual, inherited]

Reimplemented from ServerMediaSubsession.

Reimplemented in MPEG2TransportFileServerMediaSubsession.

Definition at line 220 of file OnDemandServerMediaSubsession.cpp.

References OnDemandServerMediaSubsession::fReuseFirstSource, StreamState::mediaSource(), NULL, RTPSink::resetPresentationTimes(), StreamState::rtpSink(), OnDemandServerMediaSubsession::seekStreamSource(), and StreamState::startNPT().

Referenced by MPEG2TransportFileServerMediaSubsession::seekStream().

00221                                                                                                                                {
00222   numBytes = 0; // by default: unknown
00223 
00224   // Seeking isn't allowed if multiple clients are receiving data from the same source:
00225   if (fReuseFirstSource) return;
00226 
00227   StreamState* streamState = (StreamState*)streamToken;
00228   if (streamState != NULL && streamState->mediaSource() != NULL) {
00229     seekStreamSource(streamState->mediaSource(), seekNPT, streamDuration, numBytes);
00230 
00231     streamState->startNPT() = (float)seekNPT;
00232     RTPSink* rtpSink = streamState->rtpSink(); // alias
00233     if (rtpSink != NULL) rtpSink->resetPresentationTimes();
00234   }
00235 }

void OnDemandServerMediaSubsession::seekStream ( unsigned  clientSessionId,
void *  streamToken,
char *&  absStart,
char *&  absEnd 
) [protected, virtual, inherited]

Reimplemented from ServerMediaSubsession.

Definition at line 237 of file OnDemandServerMediaSubsession.cpp.

References OnDemandServerMediaSubsession::fReuseFirstSource, StreamState::mediaSource(), NULL, and OnDemandServerMediaSubsession::seekStreamSource().

00238                                                                                                   {
00239   // Seeking isn't allowed if multiple clients are receiving data from the same source:
00240   if (fReuseFirstSource) return;
00241 
00242   StreamState* streamState = (StreamState*)streamToken;
00243   if (streamState != NULL && streamState->mediaSource() != NULL) {
00244     seekStreamSource(streamState->mediaSource(), absStart, absEnd);
00245   }
00246 }

void OnDemandServerMediaSubsession::nullSeekStream ( unsigned  clientSessionId,
void *  streamToken 
) [protected, virtual, inherited]

Reimplemented from ServerMediaSubsession.

Definition at line 248 of file OnDemandServerMediaSubsession.cpp.

References OnDemandServerMediaSubsession::getCurrentNPT(), StreamState::mediaSource(), NULL, RTPSink::resetPresentationTimes(), StreamState::rtpSink(), and StreamState::startNPT().

00248                                                                                                   {
00249   StreamState* streamState = (StreamState*)streamToken;
00250   if (streamState != NULL && streamState->mediaSource() != NULL) {
00251     // Because we're not seeking here, get the current NPT, and remember it as the new 'start' NPT:
00252     streamState->startNPT() = getCurrentNPT(streamToken);
00253     RTPSink* rtpSink = streamState->rtpSink(); // alias
00254     if (rtpSink != NULL) rtpSink->resetPresentationTimes();
00255   }
00256 }

void OnDemandServerMediaSubsession::setStreamScale ( unsigned  clientSessionId,
void *  streamToken,
float  scale 
) [protected, virtual, inherited]

Reimplemented from ServerMediaSubsession.

Reimplemented in MPEG2TransportFileServerMediaSubsession.

Definition at line 258 of file OnDemandServerMediaSubsession.cpp.

References OnDemandServerMediaSubsession::fReuseFirstSource, StreamState::mediaSource(), NULL, and OnDemandServerMediaSubsession::setStreamSourceScale().

Referenced by MPEG2TransportFileServerMediaSubsession::setStreamScale().

00259                                                                                    {
00260   // Changing the scale factor isn't allowed if multiple clients are receiving data
00261   // from the same source:
00262   if (fReuseFirstSource) return;
00263 
00264   StreamState* streamState = (StreamState*)streamToken;
00265   if (streamState != NULL && streamState->mediaSource() != NULL) {
00266     setStreamSourceScale(streamState->mediaSource(), scale);
00267   }
00268 }

float OnDemandServerMediaSubsession::getCurrentNPT ( void *  streamToken  )  [protected, virtual, inherited]

Reimplemented from ServerMediaSubsession.

Definition at line 270 of file OnDemandServerMediaSubsession.cpp.

References RTPSink::initialPresentationTime(), RTPSink::mostRecentPresentationTime(), NULL, StreamState::rtpSink(), and StreamState::startNPT().

Referenced by OnDemandServerMediaSubsession::nullSeekStream().

00270                                                                     {
00271   do {
00272     if (streamToken == NULL) break;
00273 
00274     StreamState* streamState = (StreamState*)streamToken;
00275     RTPSink* rtpSink = streamState->rtpSink();
00276     if (rtpSink == NULL) break;
00277 
00278     return streamState->startNPT()
00279       + (rtpSink->mostRecentPresentationTime().tv_sec - rtpSink->initialPresentationTime().tv_sec)
00280       + (rtpSink->mostRecentPresentationTime().tv_sec - rtpSink->initialPresentationTime().tv_sec)/1000000.0f;
00281   } while (0);
00282 
00283   return 0.0;
00284 }

FramedSource * OnDemandServerMediaSubsession::getStreamSource ( void *  streamToken  )  [protected, virtual, inherited]

Reimplemented from ServerMediaSubsession.

Definition at line 286 of file OnDemandServerMediaSubsession.cpp.

References StreamState::mediaSource(), and NULL.

00286                                                                               {
00287   if (streamToken == NULL) return NULL;
00288 
00289   StreamState* streamState = (StreamState*)streamToken;
00290   return streamState->mediaSource();
00291 }

void OnDemandServerMediaSubsession::deleteStream ( unsigned  clientSessionId,
void *&  streamToken 
) [protected, virtual, inherited]

Reimplemented from ServerMediaSubsession.

Reimplemented in MPEG2TransportFileServerMediaSubsession.

Definition at line 293 of file OnDemandServerMediaSubsession.cpp.

References StreamState::endPlaying(), OnDemandServerMediaSubsession::fDestinationsHashTable, HashTable::Lookup(), NULL, StreamState::referenceCount(), and HashTable::Remove().

Referenced by MPEG2TransportFileServerMediaSubsession::deleteStream().

00294                                                                      {
00295   StreamState* streamState = (StreamState*)streamToken;
00296 
00297   // Look up (and remove) the destinations for this client session:
00298   Destinations* destinations
00299     = (Destinations*)(fDestinationsHashTable->Lookup((char const*)clientSessionId));
00300   if (destinations != NULL) {
00301     fDestinationsHashTable->Remove((char const*)clientSessionId);
00302 
00303     // Stop streaming to these destinations:
00304     if (streamState != NULL) streamState->endPlaying(destinations);
00305   }
00306 
00307   // Delete the "StreamState" structure if it's no longer being used:
00308   if (streamState != NULL) {
00309     if (streamState->referenceCount() > 0) --streamState->referenceCount();
00310     if (streamState->referenceCount() == 0) {
00311       delete streamState;
00312       streamToken = NULL;
00313     }
00314   }
00315 
00316   // Finally, delete the destinations themselves:
00317   delete destinations;
00318 }

char const * OnDemandServerMediaSubsession::getAuxSDPLine ( RTPSink *  rtpSink,
FramedSource *  inputSource 
) [protected, virtual, inherited]

Reimplemented in DVVideoFileServerMediaSubsession, H264VideoFileServerMediaSubsession, and MPEG4VideoFileServerMediaSubsession.

Definition at line 321 of file OnDemandServerMediaSubsession.cpp.

References RTPSink::auxSDPLine(), and NULL.

Referenced by OnDemandServerMediaSubsession::setSDPLinesFromRTPSink().

00321                                                                {
00322   // Default implementation:
00323   return rtpSink == NULL ? NULL : rtpSink->auxSDPLine();
00324 }

void OnDemandServerMediaSubsession::seekStreamSource ( FramedSource *  inputSource,
char *&  absStart,
char *&  absEnd 
) [protected, virtual, inherited]

Definition at line 331 of file OnDemandServerMediaSubsession.cpp.

References NULL.

00332                                                                                      {
00333   // Default implementation: do nothing (but delete[] and assign "absStart" and "absEnd" to NULL, to show that we don't handle this)
00334   delete[] absStart; absStart = NULL;
00335   delete[] absEnd; absEnd = NULL;
00336 }

void OnDemandServerMediaSubsession::setStreamSourceScale ( FramedSource *  inputSource,
float  scale 
) [protected, virtual, inherited]

Reimplemented in MP3AudioFileServerMediaSubsession, and WAVAudioFileServerMediaSubsession.

Definition at line 339 of file OnDemandServerMediaSubsession.cpp.

Referenced by OnDemandServerMediaSubsession::setStreamScale().

00339                                                                      {
00340   // Default implementation: Do nothing
00341 }

void OnDemandServerMediaSubsession::closeStreamSource ( FramedSource *  inputSource  )  [protected, virtual, inherited]

Reimplemented in ProxyServerMediaSubsession.

Definition at line 343 of file OnDemandServerMediaSubsession.cpp.

References Medium::close().

Referenced by StreamState::reclaim(), and OnDemandServerMediaSubsession::sdpLines().

00343                                                                                {
00344   Medium::close(inputSource);
00345 }

unsigned ServerMediaSubsession::trackNumber (  )  const [inline, inherited]

Definition at line 128 of file ServerMediaSession.hh.

References ServerMediaSubsession::fTrackNumber.

Referenced by OnDemandServerMediaSubsession::getStreamParameters(), and OnDemandServerMediaSubsession::sdpLines().

00128 { return fTrackNumber; }

char const * ServerMediaSubsession::trackId (  )  [inherited]

Definition at line 344 of file ServerMediaSession.cpp.

References ServerMediaSubsession::fTrackId, ServerMediaSubsession::fTrackNumber, NULL, and strDup().

Referenced by PassiveServerMediaSubsession::sdpLines(), and OnDemandServerMediaSubsession::setSDPLinesFromRTPSink().

00344                                            {
00345   if (fTrackNumber == 0) return NULL; // not yet in a ServerMediaSession
00346 
00347   if (fTrackId == NULL) {
00348     char buf[100];
00349     sprintf(buf, "track%d", fTrackNumber);
00350     fTrackId = strDup(buf);
00351   }
00352   return fTrackId;
00353 }

void ServerMediaSubsession::testScaleFactor ( float &  scale  )  [virtual, inherited]

Reimplemented in MP3AudioFileServerMediaSubsession, MPEG2TransportFileServerMediaSubsession, and WAVAudioFileServerMediaSubsession.

Definition at line 390 of file ServerMediaSession.cpp.

00390                                                         {
00391   // default implementation: Support scale = 1 only
00392   scale = 1;
00393 }

void ServerMediaSubsession::getAbsoluteTimeRange ( char *&  absStartTime,
char *&  absEndTime 
) const [virtual, inherited]

Definition at line 400 of file ServerMediaSession.cpp.

References NULL.

Referenced by ServerMediaSubsession::rangeSDPLine().

00400                                                                                              {
00401   // default implementation: We don't support seeking by 'absolute' time, so indicate this by setting both parameters to NULL:
00402   absStartTime = absEndTime = NULL;
00403 }

void ServerMediaSubsession::setServerAddressAndPortForSDP ( netAddressBits  addressBits,
portNumBits  portBits 
) [inherited]

Definition at line 405 of file ServerMediaSession.cpp.

References ServerMediaSubsession::fPortNumForSDP, and ServerMediaSubsession::fServerAddressForSDP.

00406                                                                                 {
00407   fServerAddressForSDP = addressBits;
00408   fPortNumForSDP = portBits;
00409 }

char const * ServerMediaSubsession::rangeSDPLine (  )  const [protected, inherited]

Definition at line 412 of file ServerMediaSession.cpp.

References ServerMediaSubsession::duration(), ServerMediaSession::duration(), ServerMediaSubsession::fParentSession, ServerMediaSubsession::getAbsoluteTimeRange(), NULL, and strDup().

Referenced by PassiveServerMediaSubsession::sdpLines(), and OnDemandServerMediaSubsession::setSDPLinesFromRTPSink().

00412                                           {
00413   // First, check for the special case where we support seeking by 'absolute' time:
00414   char* absStart = NULL; char* absEnd = NULL;
00415   getAbsoluteTimeRange(absStart, absEnd);
00416   if (absStart != NULL) {
00417     char buf[100];
00418 
00419     if (absEnd != NULL) {
00420       sprintf(buf, "a=range:clock=%s-%s\r\n", absStart, absEnd);
00421     } else {
00422       sprintf(buf, "a=range:clock=%s-\r\n", absStart);
00423     }
00424     return strDup(buf);
00425   }
00426 
00427   if (fParentSession == NULL) return NULL;
00428 
00429   // If all of our parent's subsessions have the same duration
00430   // (as indicated by "fParentSession->duration() >= 0"), there's no "a=range:" line:
00431   if (fParentSession->duration() >= 0.0) return strDup("");
00432 
00433   // Use our own duration for a "a=range:" line:
00434   float ourDuration = duration();
00435   if (ourDuration == 0.0) {
00436     return strDup("a=range:npt=0-\r\n");
00437   } else {
00438     char buf[100];
00439     sprintf(buf, "a=range:npt=0-%.3f\r\n", ourDuration);
00440     return strDup(buf);
00441   }
00442 }

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 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(), continueAfterClientCreation0(), continueAfterTEARDOWN(), WAVAudioFileSource::createNew(), QuickTimeFileSink::createNew(), QCELPAudioRTPSource::createNew(), MP3FileSource::createNew(), AVIFileSink::createNew(), AMRAudioRTPSource::createNew(), WAVAudioFileServerMediaSubsession::createNewStreamSource(), createNewStreamSource(), MediaSubsession::deInitiate(), ServerMediaSession::deleteAllSubsessions(), RTSPServerSupportingHTTPStreaming::RTSPClientConnectionSupportingHTTPStreaming::handleHTTPCmd_StreamingGET(), MediaSubsession::initiate(), MPEG1or2ProgramStreamFileDuration(), MPEG1or2Demux::noteElementaryStreamDeletion(), ByteStreamMultiFileSource::onSourceClosure1(), StreamState::reclaim(), RTSPServer::removeServerMediaSession(), ProxyServerMediaSession::resetDESCRIBEState(), OnDemandServerMediaSubsession::sdpLines(), shutdownStream(), subsessionAfterPlaying(), ClientTrickPlayState::updateStateOnScaleChange(), AMRDeinterleaver::~AMRDeinterleaver(), ByteStreamMultiFileSource::~ByteStreamMultiFileSource(), DarwinInjector::~DarwinInjector(), FramedFilter::~FramedFilter(), H264VideoRTPSink::~H264VideoRTPSink(), InputESSourceRecord::~InputESSourceRecord(), MatroskaFileParser::~MatroskaFileParser(), MatroskaFileServerDemux::~MatroskaFileServerDemux(), MPEG1or2Demux::~MPEG1or2Demux(), MPEG1or2FileServerDemux::~MPEG1or2FileServerDemux(), MPEG2TransportFileServerMediaSubsession::~MPEG2TransportFileServerMediaSubsession(), MPEG2TransportStreamFromPESSource::~MPEG2TransportStreamFromPESSource(), ProxyServerMediaSession::~ProxyServerMediaSession(), RTSPServerSupportingHTTPStreaming::RTSPClientConnectionSupportingHTTPStreaming::~RTSPClientConnectionSupportingHTTPStreaming(), ServerMediaSubsession::~ServerMediaSubsession(), StreamClientState::~StreamClientState(), StreamReplicator::~StreamReplicator(), and T140TextRTPSink::~T140TextRTPSink().

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.

Referenced by QuickTimeFileSink::addArbitraryString(), FileSink::addData(), RTCPInstance::addStreamSocket(), MPEG2IFrameIndexFromTransportStream::addToTail(), StreamParser::afterGettingBytes1(), DummySink::afterGettingFrame(), TCPStreamSink::afterGettingFrame(), T140IdleFilter::afterGettingFrame(), FileSink::afterGettingFrame(), MultiFramedRTPSink::afterGettingFrame1(), InputESSourceRecord::afterGettingFrame1(), MPEG2TransportStreamFramer::afterGettingFrame1(), MPEG2IFrameIndexFromTransportStream::afterGettingFrame1(), H264VideoStreamDiscreteFramer::afterGettingFrame1(), BasicUDPSink::afterGettingFrame1(), MPEG4VideoFileServerMediaSubsession::afterPlayingDummy1(), H264VideoFileServerMediaSubsession::afterPlayingDummy1(), MPEG4VideoStreamParser::analyzeVOLHeader(), announceStream(), RTSPServer::RTSPClientConnection::changeClientInputSocket(), MPEG4VideoFileServerMediaSubsession::checkForAuxSDPLine1(), H264VideoFileServerMediaSubsession::checkForAuxSDPLine1(), Medium::close(), ProxyServerMediaSubsession::closeStreamSource(), MPEG2IFrameIndexFromTransportStream::compactParseBuffer(), RTSPClient::connectionHandler1(), RTSPClient::connectToServer(), ProxyServerMediaSession::continueAfterDESCRIBE(), ProxyRTSPClient::continueAfterLivenessCommand(), ProxyRTSPClient::continueAfterSETUP(), T140TextRTPSink::continuePlaying(), QuickTimeFileSink::continuePlaying(), H264VideoRTPSink::continuePlaying(), AVIFileSink::continuePlaying(), RTSPServer::continueRegisterStream(), VP8VideoMatroskaFileServerMediaSubsession::createNewRTPSink(), VorbisAudioMatroskaFileServerMediaSubsession::createNewRTPSink(), T140TextMatroskaFileServerMediaSubsession::createNewRTPSink(), ProxyServerMediaSubsession::createNewRTPSink(), MPEG4VideoFileServerMediaSubsession::createNewRTPSink(), MPEG2TransportUDPServerMediaSubsession::createNewRTPSink(), MPEG2TransportFileServerMediaSubsession::createNewRTPSink(), MPEG1or2VideoFileServerMediaSubsession::createNewRTPSink(), createNewRTPSink(), MP3AudioFileServerMediaSubsession::createNewRTPSink(), H264VideoFileServerMediaSubsession::createNewRTPSink(), H263plusVideoFileServerMediaSubsession::createNewRTPSink(), DVVideoFileServerMediaSubsession::createNewRTPSink(), AMRAudioFileServerMediaSubsession::createNewRTPSink(), ADTSAudioFileServerMediaSubsession::createNewRTPSink(), AC3AudioMatroskaFileServerMediaSubsession::createNewRTPSink(), AC3AudioFileServerMediaSubsession::createNewRTPSink(), AACAudioMatroskaFileServerMediaSubsession::createNewRTPSink(), HandlerServerForREGISTERCommand::createNewRTSPClient(), ProxyServerMediaSubsession::createNewStreamSource(), MPEG4VideoFileServerMediaSubsession::createNewStreamSource(), MPEG2TransportUDPServerMediaSubsession::createNewStreamSource(), MPEG2TransportFileServerMediaSubsession::createNewStreamSource(), MPEG1or2VideoFileServerMediaSubsession::createNewStreamSource(), createNewStreamSource(), MP3AudioFileServerMediaSubsession::createNewStreamSource(), H264VideoMatroskaFileServerMediaSubsession::createNewStreamSource(), H264VideoFileServerMediaSubsession::createNewStreamSource(), H263plusVideoFileServerMediaSubsession::createNewStreamSource(), DVVideoFileServerMediaSubsession::createNewStreamSource(), AMRAudioFileServerMediaSubsession::createNewStreamSource(), ADTSAudioFileServerMediaSubsession::createNewStreamSource(), AC3AudioFileServerMediaSubsession::createNewStreamSource(), AMRDeinterleavingBuffer::deliverIncomingFrame(), MPEG2IFrameIndexFromTransportStream::deliverIndexRecord(), SegmentQueue::dequeue(), DeviceSource::DeviceSource(), WAVAudioFileSource::doGetNextFrame(), T140IdleFilter::doGetNextFrame(), MPEG2TransportStreamMultiplexor::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(), WAVAudioFileSource::doReadFromFile(), ByteStreamFileSource::doReadFromFile(), MPEG1or2VideoRTPSink::doSpecialFrameHandling(), MP3ADURTPSink::doSpecialFrameHandling(), H263plusVideoRTPSink::doSpecialFrameHandling(), WAVAudioFileSource::doStopGettingFrames(), T140IdleFilter::doStopGettingFrames(), MultiFramedRTPSource::doStopGettingFrames(), FramedSource::doStopGettingFrames(), ByteStreamFileSource::doStopGettingFrames(), BasicUDPSource::doStopGettingFrames(), SegmentQueue::enqueueNewSegment(), StreamParser::ensureValidBytes1(), MediaSubsession::env(), SubsessionIOState::envir(), RTSPServer::RegisterRequestRecord::envir(), RTSPServer::RTSPClientSession::envir(), RTSPServer::RTSPClientConnection::envir(), RTPInterface::envir(), AVISubsessionIOState::envir(), ServerMediaSession::generateSDPDescription(), RTPSource::getAttributes(), MP3FileSource::getAttributes(), MP3ADUTranscoder::getAttributes(), MediaSource::getAttributes(), MPEG4VideoFileServerMediaSubsession::getAuxSDPLine(), H264VideoFileServerMediaSubsession::getAuxSDPLine(), getMPEG1or2TimeCode(), FramedSource::getNextFrame(), getOptions(), DVVideoStreamFramer::getProfile(), SIPClient::getResponse(), SIPClient::getResponseCode(), getSDPDescription(), OnDemandServerMediaSubsession::getStreamParameters(), RTSPClient::handleAlternativeRequestByte1(), RTSPClient::handleGET_PARAMETERResponse(), RTSPServerSupportingHTTPStreaming::RTSPClientConnectionSupportingHTTPStreaming::handleHTTPCmd_StreamingGET(), RTSPClient::handleIncomingRequest(), RTSPClient::handlePLAYResponse(), RTSPClient::handleRequestError(), RTSPClient::handleResponseBytes(), RTSPClient::handleSETUPResponse(), RTSPServerWithREGISTERProxying::implementCmd_REGISTER(), RTSPServer::incomingConnectionHandler(), RTSPClient::incomingDataHandler1(), RTCPInstance::incomingReportHandler1(), MP3FileSource::initializeStream(), MediaSession::initializeWithSDP(), MediaSession::initiateByMediaType(), SIPClient::invite1(), DynamicRTSPServer::lookupServerMediaSession(), MatroskaDemux::MatroskaDemux(), MatroskaFile::MatroskaFile(), MPEG4GenericRTPSource::MPEG4GenericRTPSource(), MultiFramedRTPSource::networkReadHandler1(), MatroskaDemux::newDemuxedTrack(), MPEG1or2FileServerDemux::newElementaryStream(), MPEG1or2Demux::newElementaryStream(), MPEG4GenericBufferedPacket::nextEnclosedFrameSize(), AMRBufferedPacket::nextEnclosedFrameSize(), T140IdleFilter::onSourceClosure(), RTSPClient::openConnection(), MPEG2TransportStreamIndexFile::openFid(), MPEG2IFrameIndexFromTransportStream::parseFrame(), AC3AudioStreamParser::parseFrame(), MPEGProgramStreamParser::parsePackHeader(), MPEGProgramStreamParser::parsePESPacket(), SIPClient::parseResponseCode(), MediaSession::parseSDPLine(), MPEG1or2VideoStreamParser::parseSlice(), MatroskaFileParser::parseStartOfFile(), MPEGProgramStreamParser::parseSystemHeader(), MPEG4VideoStreamParser::parseVideoObjectLayer(), MPEG4VideoStreamParser::parseVideoObjectPlane(), MPEG4VideoStreamParser::parseVisualObject(), TCPStreamSink::processBuffer(), SIPClient::processURL(), AC3AudioStreamParser::readAndSaveAFrame(), MPEG1or2Demux::registerReadInterest(), RTSPServer::registerStream(), RTCPInstance::reschedule(), RTSPClient::resendCommand(), ProxyRTSPClient::reset(), RTSPClient::resetTCPSockets(), RTSPClient::responseHandlerForHTTP_GET1(), RTSPClient::RTSPClient(), RTSPServer::rtspURLPrefix(), RTCPInstance::schedule(), ProxyRTSPClient::scheduleDESCRIBECommand(), ProxyRTSPClient::scheduleLivenessCommand(), OnDemandServerMediaSubsession::sdpLines(), SIPClient::sendACK(), SIPClient::sendBYE(), SIPClient::sendINVITE(), MultiFramedRTPSink::sendPacketIfNecessary(), SIPClient::sendRequest(), RTSPClient::sendRequest(), DarwinInjector::setDestination(), RTSPClient::setupHTTPTunneling1(), setupNextSubsession(), RTSPServer::setUpTunnelingOverHTTP(), QuickTimeFileSink::setWord(), AVIFileSink::setWord(), QuickTimeFileSink::setWord64(), shutdownStream(), SIPClient::SIPClient(), TCPStreamSink::socketWritableHandler1(), AMRAudioRTPSink::sourceIsCompatibleWithUs(), QuickTimeFileSink::startPlaying(), StreamState::startPlaying(), MediaSink::startPlaying(), AVIFileSink::startPlaying(), startPlayingSession(), PassiveServerMediaSubsession::startStream(), MediaSink::stopPlaying(), ProxyServerMediaSubsession::subsessionByeHandler(), tearDownSession(), SIPClient::timerAHandler(), SIPClient::timerBHandler(), SIPClient::timerDHandler(), ClientTrickPlayState::updateStateOnScaleChange(), MPEG2TransportStreamFramer::updateTSPacketDurationEstimate(), BasicUDPSource::~BasicUDPSource(), ByteStreamFileSource::~ByteStreamFileSource(), DeviceSource::~DeviceSource(), ProxyServerMediaSession::~ProxyServerMediaSession(), ProxyServerMediaSubsession::~ProxyServerMediaSubsession(), RTSPServer::~RTSPServer(), StreamClientState::~StreamClientState(), T140IdleFilter::~T140IdleFilter(), and WAVAudioFileSource::~WAVAudioFileSource().

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::isSource (  )  const [virtual, inherited]

Reimplemented in MediaSource.

Definition at line 62 of file Media.cpp.

References False.

Referenced by MediaSource::lookupByName().

00062                                {
00063   return False; // default implementation
00064 }

Boolean Medium::isSink (  )  const [virtual, inherited]

Reimplemented in MediaSink.

Definition at line 66 of file Media.cpp.

References False.

Referenced by MediaSink::lookupByName().

00066                              {
00067   return False; // default implementation
00068 }

Boolean Medium::isRTCPInstance (  )  const [virtual, inherited]

Reimplemented in RTCPInstance.

Definition at line 70 of file Media.cpp.

References False.

Referenced by RTCPInstance::lookupByName().

00070                                      {
00071   return False; // default implementation
00072 }

Boolean Medium::isRTSPClient (  )  const [virtual, inherited]

Reimplemented in RTSPClient.

Definition at line 74 of file Media.cpp.

References False.

Referenced by RTSPClient::lookupByName().

00074                                    {
00075   return False; // default implementation
00076 }

Boolean Medium::isRTSPServer (  )  const [virtual, inherited]

Reimplemented in RTSPServer.

Definition at line 78 of file Media.cpp.

References False.

Referenced by RTSPServer::lookupByName().

00078                                    {
00079   return False; // default implementation
00080 }

Boolean Medium::isMediaSession (  )  const [virtual, inherited]

Reimplemented in MediaSession.

Definition at line 82 of file Media.cpp.

References False.

Referenced by MediaSession::lookupByName().

00082                                      {
00083   return False; // default implementation
00084 }

Boolean Medium::isServerMediaSession (  )  const [virtual, inherited]

Reimplemented in ServerMediaSession.

Definition at line 86 of file Media.cpp.

References False.

Referenced by ServerMediaSession::lookupByName().

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

Boolean Medium::isDarwinInjector (  )  const [virtual, inherited]

Reimplemented in DarwinInjector.

Definition at line 90 of file Media.cpp.

References False.

Referenced by DarwinInjector::lookupByName().

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

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

Definition at line 78 of file Media.hh.

References Medium::fNextTask.

Referenced by BasicUDPSink::afterGettingFrame1(), MPEG4VideoFileServerMediaSubsession::afterPlayingDummy1(), H264VideoFileServerMediaSubsession::afterPlayingDummy1(), MPEG4VideoFileServerMediaSubsession::checkForAuxSDPLine1(), H264VideoFileServerMediaSubsession::checkForAuxSDPLine1(), MP3FileSource::doGetNextFrame(), AMRAudioFileSource::doGetNextFrame(), ADTSAudioFileSource::doGetNextFrame(), MultiFramedRTPSource::doGetNextFrame1(), WAVAudioFileSource::doReadFromFile(), ByteStreamFileSource::doReadFromFile(), MultiFramedRTPSource::doStopGettingFrames(), FramedSource::doStopGettingFrames(), ByteStreamFileSource::doStopGettingFrames(), RTCPInstance::reschedule(), RTCPInstance::schedule(), MultiFramedRTPSink::sendPacketIfNecessary(), and MediaSink::stopPlaying().

00078                         {
00079         return fNextTask;
00080   }

Friends And Related Function Documentation

friend class MediaLookupTable [friend, inherited]

Definition at line 74 of file Media.hh.

Field Documentation

MPEG1or2FileServerDemux& MPEG1or2DemuxedServerMediaSubsession::fOurDemux [private]

Definition at line 57 of file MPEG1or2DemuxedServerMediaSubsession.hh.

Referenced by createNewStreamSource(), duration(), and seekStreamSource().

u_int8_t MPEG1or2DemuxedServerMediaSubsession::fStreamIdTag [private]

Definition at line 58 of file MPEG1or2DemuxedServerMediaSubsession.hh.

Referenced by createNewRTPSink(), createNewStreamSource(), and seekStreamSource().

Boolean MPEG1or2DemuxedServerMediaSubsession::fIFramesOnly [private]

Definition at line 59 of file MPEG1or2DemuxedServerMediaSubsession.hh.

Referenced by createNewStreamSource().

double MPEG1or2DemuxedServerMediaSubsession::fVSHPeriod [private]

Definition at line 60 of file MPEG1or2DemuxedServerMediaSubsession.hh.

Referenced by createNewStreamSource().

char* OnDemandServerMediaSubsession::fSDPLines [protected, inherited]

Definition at line 104 of file OnDemandServerMediaSubsession.hh.

Referenced by OnDemandServerMediaSubsession::sdpLines(), OnDemandServerMediaSubsession::setSDPLinesFromRTPSink(), and OnDemandServerMediaSubsession::~OnDemandServerMediaSubsession().

HashTable* OnDemandServerMediaSubsession::fDestinationsHashTable [protected, inherited]

Definition at line 105 of file OnDemandServerMediaSubsession.hh.

Referenced by OnDemandServerMediaSubsession::deleteStream(), OnDemandServerMediaSubsession::getStreamParameters(), OnDemandServerMediaSubsession::startStream(), and OnDemandServerMediaSubsession::~OnDemandServerMediaSubsession().

ServerMediaSession* ServerMediaSubsession::fParentSession [protected, inherited]

Definition at line 187 of file ServerMediaSession.hh.

Referenced by ProxyServerMediaSubsession::closeStreamSource(), ProxyRTSPClient::continueAfterSETUP(), ProxyServerMediaSubsession::createNewStreamSource(), ServerMediaSubsession::rangeSDPLine(), and ProxyServerMediaSubsession::verbosityLevel().

netAddressBits ServerMediaSubsession::fServerAddressForSDP [protected, inherited]

Definition at line 188 of file ServerMediaSession.hh.

Referenced by OnDemandServerMediaSubsession::setSDPLinesFromRTPSink(), and ServerMediaSubsession::setServerAddressAndPortForSDP().

portNumBits ServerMediaSubsession::fPortNumForSDP [protected, inherited]

Definition at line 189 of file ServerMediaSession.hh.

Referenced by OnDemandServerMediaSubsession::setSDPLinesFromRTPSink(), and ServerMediaSubsession::setServerAddressAndPortForSDP().

The documentation for this class was generated from the following files:
Generated on Tue Jun 18 13:20:47 2013 for live by  doxygen 1.5.2