MP3AudioFileServerMediaSubsession Class Reference

#include <MP3AudioFileServerMediaSubsession.hh>

Inheritance diagram for MP3AudioFileServerMediaSubsession:

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Collaboration diagram for MP3AudioFileServerMediaSubsession:

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Public Member Functions

unsigned trackNumber () const
char const * trackId ()
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 MP3AudioFileServerMediaSubsession * createNew (UsageEnvironment &env, char const *fileName, Boolean reuseFirstSource, Boolean generateADUs, Interleaving *interleaving)
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

 MP3AudioFileServerMediaSubsession (UsageEnvironment &env, char const *fileName, Boolean reuseFirstSource, Boolean generateADUs, Interleaving *interleaving)
virtual ~MP3AudioFileServerMediaSubsession ()
FramedSource * createNewStreamSourceCommon (FramedSource *baseMP3Source, unsigned mp3NumBytes, unsigned &estBitrate)
void getBaseStreams (FramedSource *frontStream, FramedSource *&sourceMP3Stream, ADUFromMP3Source *&aduStream)
virtual void seekStreamSource (FramedSource *inputSource, double &seekNPT, double streamDuration, u_int64_t &numBytes)
virtual void setStreamSourceScale (FramedSource *inputSource, float scale)
virtual FramedSource * createNewStreamSource (unsigned clientSessionId, unsigned &estBitrate)
virtual RTPSink * createNewRTPSink (Groupsock *rtpGroupsock, unsigned char rtpPayloadTypeIfDynamic, FramedSource *inputSource)
virtual void testScaleFactor (float &scale)
virtual float duration () const
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 closeStreamSource (FramedSource *inputSource)
char const * rangeSDPLine () const
TaskToken & nextTask ()

Protected Attributes

Boolean fGenerateADUs
Interleaving * fInterleaving
float fFileDuration
char const * fFileName
u_int64_t fFileSize
char * fSDPLines
HashTable * fDestinationsHashTable
ServerMediaSession * fParentSession
netAddressBits fServerAddressForSDP
portNumBits fPortNumForSDP

Friends

class MediaLookupTable

Detailed Description

Definition at line 36 of file MP3AudioFileServerMediaSubsession.hh.

Constructor & Destructor Documentation

MP3AudioFileServerMediaSubsession::MP3AudioFileServerMediaSubsession ( UsageEnvironment &  env,
char const *  fileName,
Boolean  reuseFirstSource,
Boolean  generateADUs,
Interleaving *  interleaving 
) [protected]

Definition at line 37 of file MP3AudioFileServerMediaSubsession.cpp.

00041   : FileServerMediaSubsession(env, fileName, reuseFirstSource),
00042     fGenerateADUs(generateADUs), fInterleaving(interleaving), fFileDuration(0.0) {
00043 }

MP3AudioFileServerMediaSubsession::~MP3AudioFileServerMediaSubsession (  )  [protected, virtual]

Definition at line 46 of file MP3AudioFileServerMediaSubsession.cpp.

00046                                      {
00047   delete fInterleaving;
00048 }

Member Function Documentation

MP3AudioFileServerMediaSubsession * MP3AudioFileServerMediaSubsession::createNew ( UsageEnvironment &  env,
char const *  fileName,
Boolean  reuseFirstSource,
Boolean  generateADUs,
Interleaving *  interleaving 
) [static]

Definition at line 30 of file MP3AudioFileServerMediaSubsession.cpp.

References env.

Referenced by createNewSMS().

00031                                                               {
00032   return new MP3AudioFileServerMediaSubsession(env, fileName, reuseFirstSource,
00033                                                generateADUs, interleaving);
00034 }

FramedSource * MP3AudioFileServerMediaSubsession::createNewStreamSourceCommon ( FramedSource *  baseMP3Source,
unsigned  mp3NumBytes,
unsigned &  estBitrate 
) [protected]

Definition at line 51 of file MP3AudioFileServerMediaSubsession.cpp.

References MP3FromADUSource::createNew(), MP3ADUinterleaver::createNew(), ADUFromMP3Source::createNew(), and NULL.

Referenced by MP3AudioMatroskaFileServerMediaSubsession::createNewStreamSource(), and createNewStreamSource().

00051                                                                                                      {
00052   FramedSource* streamSource;
00053   do {
00054     streamSource = baseMP3Source; // by default
00055     if (streamSource == NULL) break;
00056 
00057     // Use the MP3 file size, plus the duration, to estimate the stream's bitrate:
00058     if (mp3NumBytes > 0 && fFileDuration > 0.0) {
00059       estBitrate = (unsigned)(mp3NumBytes/(125*fFileDuration) + 0.5); // kbps, rounded
00060     } else {
00061       estBitrate = 128; // kbps, estimate
00062     }
00063 
00064     if (fGenerateADUs) {
00065       // Add a filter that converts the source MP3s to ADUs:
00066       streamSource = ADUFromMP3Source::createNew(envir(), streamSource);
00067       if (streamSource == NULL) break;
00068 
00069       if (fInterleaving != NULL) {
00070         // Add another filter that interleaves the ADUs before packetizing:
00071         streamSource = MP3ADUinterleaver::createNew(envir(), *fInterleaving,
00072                                                     streamSource);
00073         if (streamSource == NULL) break;
00074       }
00075     } else if (fFileDuration > 0.0) {
00076       // Because this is a seekable file, insert a pair of filters: one that
00077       // converts the input MP3 stream to ADUs; another that converts these
00078       // ADUs back to MP3.  This allows us to seek within the input stream without
00079       // tripping over the MP3 'bit reservoir':
00080       streamSource = ADUFromMP3Source::createNew(envir(), streamSource);
00081       if (streamSource == NULL) break;
00082 
00083       streamSource = MP3FromADUSource::createNew(envir(), streamSource);
00084       if (streamSource == NULL) break;
00085     }
00086   } while (0);
00087 
00088   return streamSource;
00089 }

void MP3AudioFileServerMediaSubsession::getBaseStreams ( FramedSource *  frontStream,
FramedSource *&  sourceMP3Stream,
ADUFromMP3Source *&  aduStream 
) [protected]

Definition at line 91 of file MP3AudioFileServerMediaSubsession.cpp.

References fFileDuration, fGenerateADUs, fInterleaving, FramedFilter::inputSource(), and NULL.

Referenced by MP3AudioMatroskaFileServerMediaSubsession::seekStreamSource(), seekStreamSource(), and setStreamSourceScale().

00092                                                                                                                                {
00093   if (fGenerateADUs) {
00094     // There's an ADU stream.
00095     if (fInterleaving != NULL) {
00096       // There's an interleaving filter in front of the ADU stream.  So go back one, to reach the ADU stream:
00097       aduStream = (ADUFromMP3Source*)(((FramedFilter*)frontStream)->inputSource());
00098     } else {
00099       aduStream = (ADUFromMP3Source*)frontStream;
00100     }
00101 
00102     // Then, go back one more, to reach the MP3 source:
00103     sourceMP3Stream = (MP3FileSource*)(aduStream->inputSource());
00104   } else if (fFileDuration > 0.0) {
00105     // There are a pair of filters - MP3->ADU and ADU->MP3 - in front of the
00106     // original MP3 source.  So, go back one, to reach the ADU source:
00107     aduStream = (ADUFromMP3Source*)(((FramedFilter*)frontStream)->inputSource());
00108 
00109     // Then, go back one more, to reach the MP3 source:
00110     sourceMP3Stream = (MP3FileSource*)(aduStream->inputSource());
00111   } else {
00112     // There's no filter in front of the source MP3 stream (and there's no ADU stream):
00113     aduStream = NULL;
00114     sourceMP3Stream = frontStream;
00115   }
00116 }

void MP3AudioFileServerMediaSubsession::seekStreamSource ( FramedSource *  inputSource,
double &  seekNPT,
double  streamDuration,
u_int64_t &  numBytes 
) [protected, virtual]

Reimplemented from OnDemandServerMediaSubsession.

Reimplemented in MP3AudioMatroskaFileServerMediaSubsession.

Definition at line 120 of file MP3AudioFileServerMediaSubsession.cpp.

References getBaseStreams(), NULL, and ADUFromMP3Source::resetInput().

00120                                                                                                              {
00121   FramedSource* sourceMP3Stream;
00122   ADUFromMP3Source* aduStream;
00123   getBaseStreams(inputSource, sourceMP3Stream, aduStream);
00124 
00125   if (aduStream != NULL) aduStream->resetInput(); // because we're about to seek within its source
00126   ((MP3FileSource*)sourceMP3Stream)->seekWithinFile(seekNPT, streamDuration);
00127 }

void MP3AudioFileServerMediaSubsession::setStreamSourceScale ( FramedSource *  inputSource,
float  scale 
) [protected, virtual]

Reimplemented from OnDemandServerMediaSubsession.

Definition at line 130 of file MP3AudioFileServerMediaSubsession.cpp.

References getBaseStreams(), NULL, and ADUFromMP3Source::setScaleFactor().

00130                                                              {
00131 
00132   FramedSource* sourceMP3Stream;
00133   ADUFromMP3Source* aduStream;
00134   getBaseStreams(inputSource, sourceMP3Stream, aduStream);
00135 
00136   if (aduStream == NULL) return; // because, in this case, the stream's not scalable
00137 
00138   int iScale = (int)scale;
00139   aduStream->setScaleFactor(iScale);
00140   ((MP3FileSource*)sourceMP3Stream)->setPresentationTimeScale(iScale);
00141 }

FramedSource * MP3AudioFileServerMediaSubsession::createNewStreamSource ( unsigned  clientSessionId,
unsigned &  estBitrate 
) [protected, virtual]

Implements OnDemandServerMediaSubsession.

Reimplemented in MP3AudioMatroskaFileServerMediaSubsession.

Definition at line 144 of file MP3AudioFileServerMediaSubsession.cpp.

References MP3FileSource::createNew(), createNewStreamSourceCommon(), Medium::envir(), fFileDuration, FileServerMediaSubsession::fFileName, MP3FileSource::filePlayTime(), MP3FileSource::fileSize(), and NULL.

00144                                                                           {
00145   MP3FileSource* mp3Source = MP3FileSource::createNew(envir(), fFileName);
00146   if (mp3Source == NULL) return NULL;
00147   fFileDuration = mp3Source->filePlayTime();
00148 
00149   return createNewStreamSourceCommon(mp3Source, mp3Source->fileSize(), estBitrate);
00150 }

RTPSink * MP3AudioFileServerMediaSubsession::createNewRTPSink ( Groupsock *  rtpGroupsock,
unsigned char  rtpPayloadTypeIfDynamic,
FramedSource *  inputSource 
) [protected, virtual]

Implements OnDemandServerMediaSubsession.

Definition at line 153 of file MP3AudioFileServerMediaSubsession.cpp.

References MPEG1or2AudioRTPSink::createNew(), MP3ADURTPSink::createNew(), Medium::envir(), and fGenerateADUs.

00155                                                   {
00156   if (fGenerateADUs) {
00157     return MP3ADURTPSink::createNew(envir(), rtpGroupsock,
00158                                     rtpPayloadTypeIfDynamic);
00159   } else {
00160     return MPEG1or2AudioRTPSink::createNew(envir(), rtpGroupsock);
00161   }
00162 }

void MP3AudioFileServerMediaSubsession::testScaleFactor ( float &  scale  )  [protected, virtual]

Reimplemented from ServerMediaSubsession.

Definition at line 164 of file MP3AudioFileServerMediaSubsession.cpp.

References fFileDuration.

00164                                                                     {
00165   if (fFileDuration <= 0.0) {
00166     // The file is non-seekable, so is probably a live input source.
00167     // We don't support scale factors other than 1
00168     scale = 1;
00169   } else {
00170     // We support any integral scale >= 1
00171     int iScale = (int)(scale + 0.5); // round
00172     if (iScale < 1) iScale = 1;
00173     scale = (float)iScale;
00174   }
00175 }

float MP3AudioFileServerMediaSubsession::duration (  )  const [protected, virtual]

Reimplemented from ServerMediaSubsession.

Definition at line 177 of file MP3AudioFileServerMediaSubsession.cpp.

References fFileDuration.

00177                                                         {
00178   return fFileDuration;
00179 }

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::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::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(), continueAfterTEARDOWN(), WAVAudioFileSource::createNew(), QuickTimeFileSink::createNew(), QCELPAudioRTPSource::createNew(), MP3FileSource::createNew(), AVIFileSink::createNew(), AMRAudioRTPSource::createNew(), WAVAudioFileServerMediaSubsession::createNewStreamSource(), MPEG1or2DemuxedServerMediaSubsession::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(), VP8VideoMatroskaFileServerMediaSubsession::createNewRTPSink(), VorbisAudioMatroskaFileServerMediaSubsession::createNewRTPSink(), T140TextMatroskaFileServerMediaSubsession::createNewRTPSink(), ProxyServerMediaSubsession::createNewRTPSink(), MPEG4VideoFileServerMediaSubsession::createNewRTPSink(), MPEG2TransportUDPServerMediaSubsession::createNewRTPSink(), MPEG2TransportFileServerMediaSubsession::createNewRTPSink(), MPEG1or2VideoFileServerMediaSubsession::createNewRTPSink(), MPEG1or2DemuxedServerMediaSubsession::createNewRTPSink(), createNewRTPSink(), H264VideoFileServerMediaSubsession::createNewRTPSink(), H263plusVideoFileServerMediaSubsession::createNewRTPSink(), DVVideoFileServerMediaSubsession::createNewRTPSink(), AMRAudioFileServerMediaSubsession::createNewRTPSink(), ADTSAudioFileServerMediaSubsession::createNewRTPSink(), AC3AudioMatroskaFileServerMediaSubsession::createNewRTPSink(), AC3AudioFileServerMediaSubsession::createNewRTPSink(), AACAudioMatroskaFileServerMediaSubsession::createNewRTPSink(), ProxyServerMediaSubsession::createNewStreamSource(), MPEG4VideoFileServerMediaSubsession::createNewStreamSource(), MPEG2TransportUDPServerMediaSubsession::createNewStreamSource(), MPEG2TransportFileServerMediaSubsession::createNewStreamSource(), MPEG1or2VideoFileServerMediaSubsession::createNewStreamSource(), MPEG1or2DemuxedServerMediaSubsession::createNewStreamSource(), 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::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(), 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(), RTCPInstance::reschedule(), RTSPClient::resendCommand(), ProxyRTSPClient::reset(), RTSPClient::resetTCPSockets(), RTSPClient::responseHandlerForHTTP_GET1(), 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

Boolean MP3AudioFileServerMediaSubsession::fGenerateADUs [protected]

Definition at line 68 of file MP3AudioFileServerMediaSubsession.hh.

Referenced by createNewRTPSink(), and getBaseStreams().

Interleaving* MP3AudioFileServerMediaSubsession::fInterleaving [protected]

Definition at line 69 of file MP3AudioFileServerMediaSubsession.hh.

Referenced by getBaseStreams().

float MP3AudioFileServerMediaSubsession::fFileDuration [protected]

Definition at line 70 of file MP3AudioFileServerMediaSubsession.hh.

Referenced by createNewStreamSource(), duration(), getBaseStreams(), and testScaleFactor().

char const* FileServerMediaSubsession::fFileName [protected, inherited]

Definition at line 36 of file FileServerMediaSubsession.hh.

Referenced by MPEG4VideoFileServerMediaSubsession::createNewStreamSource(), MPEG2TransportFileServerMediaSubsession::createNewStreamSource(), MPEG1or2VideoFileServerMediaSubsession::createNewStreamSource(), createNewStreamSource(), H264VideoFileServerMediaSubsession::createNewStreamSource(), H263plusVideoFileServerMediaSubsession::createNewStreamSource(), DVVideoFileServerMediaSubsession::createNewStreamSource(), AMRAudioFileServerMediaSubsession::createNewStreamSource(), ADTSAudioFileServerMediaSubsession::createNewStreamSource(), AC3AudioFileServerMediaSubsession::createNewStreamSource(), and FileServerMediaSubsession::~FileServerMediaSubsession().

u_int64_t FileServerMediaSubsession::fFileSize [protected, inherited]

Definition at line 37 of file FileServerMediaSubsession.hh.

Referenced by MPEG4VideoFileServerMediaSubsession::createNewStreamSource(), MPEG2TransportFileServerMediaSubsession::createNewStreamSource(), MPEG1or2VideoFileServerMediaSubsession::createNewStreamSource(), H264VideoFileServerMediaSubsession::createNewStreamSource(), H263plusVideoFileServerMediaSubsession::createNewStreamSource(), DVVideoFileServerMediaSubsession::createNewStreamSource(), and DVVideoFileServerMediaSubsession::seekStreamSource().

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 Mon Apr 29 13:31:54 2013 for live by  doxygen 1.5.2