live: MPEG4GenericRTPSink Class Reference

typedef void( MediaSink::afterPlayingFunc)(void *clientData) [inherited]

Definition at line 33 of file MediaSink.hh.

MPEG4GenericRTPSink::MPEG4GenericRTPSink	(	UsageEnvironment &	env,
		Groupsock *	RTPgs,
		u_int8_t	rtpPayloadFormat,
		u_int32_t	rtpTimestampFrequency,
		char const *	sdpMediaTypeString,
		char const *	mpeg4Mode,
		char const *	configString,
		unsigned	numChannels
	)			`[protected]`

Definition at line 24 of file MPEG4GenericRTPSink.cpp.

References env, NULL, and strDup().

Referenced by createNew().

00030   : MultiFramedRTPSink(env, RTPgs, rtpPayloadFormat,
00031                        rtpTimestampFrequency, "MPEG4-GENERIC", numChannels),
00032   fSDPMediaTypeString(strDup(sdpMediaTypeString)),
00033   fMPEG4Mode(strDup(mpeg4Mode)), fConfigString(strDup(configString)) {
00034   // Check whether "mpeg4Mode" is one that we handle:
00035   if (mpeg4Mode == NULL) {
00036     env << "MPEG4GenericRTPSink error: NULL \"mpeg4Mode\" parameter\n";
00037   } else if (strcmp(mpeg4Mode, "AAC-hbr") != 0) {
00038     env << "MPEG4GenericRTPSink error: Unknown \"mpeg4Mode\" parameter: \""
00039         << mpeg4Mode << "\"\n";
00040   }
00041 
00042   // Set up the "a=fmtp:" SDP line for this stream:
00043   char const* fmtpFmt =
00044     "a=fmtp:%d "
00045     "streamtype=%d;profile-level-id=1;"
00046     "mode=%s;sizelength=13;indexlength=3;indexdeltalength=3;"
00047     "config=%s\r\n";
00048   unsigned fmtpFmtSize = strlen(fmtpFmt)
00049     + 3 /* max char len */
00050     + 3 /* max char len */
00051     + strlen(fMPEG4Mode)
00052     + strlen(fConfigString);
00053   char* fmtp = new char[fmtpFmtSize];
00054   sprintf(fmtp, fmtpFmt,
00055           rtpPayloadType(),
00056           strcmp(fSDPMediaTypeString, "video") == 0 ? 4 : 5,
00057           fMPEG4Mode,
00058           fConfigString);
00059   fFmtpSDPLine = strDup(fmtp);
00060   delete[] fmtp;
00061 }

MPEG4GenericRTPSink::~MPEG4GenericRTPSink ( ) [protected, virtual]

Definition at line 63 of file MPEG4GenericRTPSink.cpp.

References fConfigString, fFmtpSDPLine, fMPEG4Mode, and fSDPMediaTypeString.

00063                                           {
00064   delete[] fFmtpSDPLine;
00065   delete[] (char*)fConfigString;
00066   delete[] (char*)fMPEG4Mode;
00067   delete[] (char*)fSDPMediaTypeString;
00068 }

MPEG4GenericRTPSink * MPEG4GenericRTPSink::createNew	(	UsageEnvironment &	env,
		Groupsock *	RTPgs,
		u_int8_t	rtpPayloadFormat,
		u_int32_t	rtpTimestampFrequency,
		char const *	sdpMediaTypeString,
		char const *	mpeg4Mode,
		char const *	configString,
		unsigned	numChannels = `1`
	)			`[static]`

Definition at line 71 of file MPEG4GenericRTPSink.cpp.

References env, and MPEG4GenericRTPSink().

Referenced by ADTSAudioFileServerMediaSubsession::createNewRTPSink().

00076                                                                                {
00077   return new MPEG4GenericRTPSink(env, RTPgs, rtpPayloadFormat,
00078                                  rtpTimestampFrequency,
00079                                  sdpMediaTypeString, mpeg4Mode,
00080                                  configString, numChannels);
00081 }

Boolean MPEG4GenericRTPSink::frameCanAppearAfterPacketStart	(	unsigned char const *	frameStart,
		unsigned	numBytesInFrame
	)			const `[private, virtual]`

Reimplemented from MultiFramedRTPSink.

Definition at line 84 of file MPEG4GenericRTPSink.cpp.

References False.

00085                                                                      {
00086   // (For now) allow at most 1 frame in a single packet:
00087   return False;
00088 }

void MPEG4GenericRTPSink::doSpecialFrameHandling	(	unsigned	fragmentationOffset,
		unsigned char *	frameStart,
		unsigned	numBytesInFrame,
		struct timeval	frameTimestamp,
		unsigned	numRemainingBytes
	)			`[private, virtual]`

Reimplemented from MultiFramedRTPSink.

Definition at line 91 of file MPEG4GenericRTPSink.cpp.

References MultiFramedRTPSink::doSpecialFrameHandling(), MultiFramedRTPSink::setMarkerBit(), and MultiFramedRTPSink::setSpecialHeaderBytes().

00095                                                      {
00096   // Set the "AU Header Section".  This is 4 bytes: 2 bytes for the
00097   // initial "AU-headers-length" field, and 2 bytes for the first
00098   // (and only) "AU Header":
00099   unsigned fullFrameSize
00100     = fragmentationOffset + numBytesInFrame + numRemainingBytes;
00101   unsigned char headers[4];
00102   headers[0] = 0; headers[1] = 16 /* bits */; // AU-headers-length
00103   headers[2] = fullFrameSize >> 5; headers[3] = (fullFrameSize&0x1F)<<3;
00104 
00105   setSpecialHeaderBytes(headers, sizeof headers);
00106 
00107   if (numRemainingBytes == 0) {
00108     // This packet contains the last (or only) fragment of the frame.
00109     // Set the RTP 'M' ('marker') bit:
00110     setMarkerBit();
00111   }
00112 
00113   // Important: Also call our base class's doSpecialFrameHandling(),
00114   // to set the packet's timestamp:
00115   MultiFramedRTPSink::doSpecialFrameHandling(fragmentationOffset,
00116                                              frameStart, numBytesInFrame,
00117                                              frameTimestamp,
00118                                              numRemainingBytes);
00119 }

unsigned MPEG4GenericRTPSink::specialHeaderSize ( ) const [private, virtual]

Reimplemented from MultiFramedRTPSink.

Definition at line 121 of file MPEG4GenericRTPSink.cpp.

00121                                                       {
00122   return 2 + 2;
00123 }

char const * MPEG4GenericRTPSink::sdpMediaType ( ) const [private, virtual]

Reimplemented from RTPSink.

Definition at line 125 of file MPEG4GenericRTPSink.cpp.

References fSDPMediaTypeString.

00125                                                     {
00126   return fSDPMediaTypeString;
00127 }

char const * MPEG4GenericRTPSink::auxSDPLine ( ) [private, virtual]

Reimplemented from RTPSink.

Definition at line 129 of file MPEG4GenericRTPSink.cpp.

References fFmtpSDPLine.

00129                                             {
00130   return fFmtpSDPLine;
00131 }

void MultiFramedRTPSink::setPacketSizes	(	unsigned	preferredPacketSize,
		unsigned	maxPacketSize
	)			`[inherited]`

Definition at line 27 of file MultiFramedRTPSink.cpp.

References MultiFramedRTPSink::fOurMaxPacketSize, and MultiFramedRTPSink::fOutBuf.

Referenced by MultiFramedRTPSink::MultiFramedRTPSink().

00028                                                                 {
00029   if (preferredPacketSize > maxPacketSize || preferredPacketSize == 0) return;
00030       // sanity check
00031 
00032   delete fOutBuf;
00033   fOutBuf = new OutPacketBuffer(preferredPacketSize, maxPacketSize);
00034   fOurMaxPacketSize = maxPacketSize; // save value, in case subclasses need it 
00035 }

Boolean MultiFramedRTPSink::allowFragmentationAfterStart ( ) const [protected, virtual, inherited]

Reimplemented in MPEG1or2VideoRTPSink, and MPEG4ESVideoRTPSink.

Definition at line 68 of file MultiFramedRTPSink.cpp.

References False.

Referenced by MultiFramedRTPSink::afterGettingFrame1().

00068                                                                {
00069   return False; // by default
00070 }

Boolean MultiFramedRTPSink::allowOtherFramesAfterLastFragment ( ) const [protected, virtual, inherited]

Definition at line 72 of file MultiFramedRTPSink.cpp.

References False.

Referenced by MultiFramedRTPSink::afterGettingFrame1().

00072                                                                     {
00073   return False; // by default
00074 }

unsigned MultiFramedRTPSink::frameSpecificHeaderSize ( ) const [protected, virtual, inherited]

Definition at line 87 of file MultiFramedRTPSink.cpp.

Referenced by MultiFramedRTPSink::isTooBigForAPacket(), MultiFramedRTPSink::packFrame(), and MultiFramedRTPSink::sendPacketIfNecessary().

00087                                                            {
00088   // default implementation: Assume no frame-specific header:
00089   return 0;
00090 }

Boolean MultiFramedRTPSink::isFirstPacket ( ) const [inline, protected, inherited]

Definition at line 65 of file MultiFramedRTPSink.hh.

References MultiFramedRTPSink::fIsFirstPacket.

Referenced by MPEG1or2AudioRTPSink::doSpecialFrameHandling(), and AMRAudioRTPSink::doSpecialFrameHandling().

00065 { return fIsFirstPacket; }

Boolean MultiFramedRTPSink::isFirstFrameInPacket ( ) const [inline, protected, inherited]

Definition at line 66 of file MultiFramedRTPSink.hh.

References MultiFramedRTPSink::fNumFramesUsedSoFar.

Referenced by MultiFramedRTPSink::doSpecialFrameHandling(), MPEG1or2VideoRTPSink::doSpecialFrameHandling(), MPEG1or2AudioRTPSink::doSpecialFrameHandling(), and AMRAudioRTPSink::doSpecialFrameHandling().

00066 { return fNumFramesUsedSoFar == 0; }

Boolean MultiFramedRTPSink::curFragmentationOffset ( ) const [inline, protected, inherited]

Definition at line 67 of file MultiFramedRTPSink.hh.

References MultiFramedRTPSink::fCurFragmentationOffset.

Referenced by MultiFramedRTPSink::afterGettingFrame1(), MP3ADURTPSink::specialHeaderSize(), JPEGVideoRTPSink::specialHeaderSize(), and H263plusVideoRTPSink::specialHeaderSize().

00067 { return fCurFragmentationOffset; }

void MultiFramedRTPSink::setMarkerBit ( ) [protected, inherited]

Definition at line 92 of file MultiFramedRTPSink.cpp.

References OutPacketBuffer::extractWord(), MultiFramedRTPSink::fOutBuf, and OutPacketBuffer::insertWord().

Referenced by SimpleRTPSink::doSpecialFrameHandling(), MPEG4LATMAudioRTPSink::doSpecialFrameHandling(), doSpecialFrameHandling(), MPEG4ESVideoRTPSink::doSpecialFrameHandling(), MPEG1or2VideoRTPSink::doSpecialFrameHandling(), MPEG1or2AudioRTPSink::doSpecialFrameHandling(), JPEGVideoRTPSink::doSpecialFrameHandling(), H264VideoRTPSink::doSpecialFrameHandling(), H263plusVideoRTPSink::doSpecialFrameHandling(), AMRAudioRTPSink::doSpecialFrameHandling(), and AC3AudioRTPSink::doSpecialFrameHandling().

00092                                       {
00093   unsigned rtpHdr = fOutBuf->extractWord(0);
00094   rtpHdr |= 0x00800000;
00095   fOutBuf->insertWord(rtpHdr, 0);
00096 }

void MultiFramedRTPSink::setTimestamp ( struct timeval timestamp ) [protected, inherited]

Definition at line 98 of file MultiFramedRTPSink.cpp.

References RTPSink::convertToRTPTimestamp(), RTPSink::fCurrentTimestamp, MultiFramedRTPSink::fOutBuf, MultiFramedRTPSink::fTimestampPosition, and OutPacketBuffer::insertWord().

Referenced by MultiFramedRTPSink::doSpecialFrameHandling(), MPEG4ESVideoRTPSink::doSpecialFrameHandling(), MPEG1or2VideoRTPSink::doSpecialFrameHandling(), JPEGVideoRTPSink::doSpecialFrameHandling(), H264VideoRTPSink::doSpecialFrameHandling(), and H263plusVideoRTPSink::doSpecialFrameHandling().

00098                                                               {
00099   // First, convert the timestamp to a 32-bit RTP timestamp:
00100   fCurrentTimestamp = convertToRTPTimestamp(timestamp);
00101 
00102   // Then, insert it into the RTP packet:
00103   fOutBuf->insertWord(fCurrentTimestamp, fTimestampPosition);
00104 }

void MultiFramedRTPSink::setSpecialHeaderWord	(	unsigned	word,
		unsigned	wordPosition = `0`
	)			`[protected, inherited]`

Definition at line 106 of file MultiFramedRTPSink.cpp.

References MultiFramedRTPSink::fOutBuf, MultiFramedRTPSink::fSpecialHeaderPosition, and OutPacketBuffer::insertWord().

Referenced by MPEG1or2VideoRTPSink::doSpecialFrameHandling(), and MPEG1or2AudioRTPSink::doSpecialFrameHandling().

00107                                                                      {
00108   fOutBuf->insertWord(word, fSpecialHeaderPosition + 4*wordPosition);
00109 }

void MultiFramedRTPSink::setSpecialHeaderBytes	(	unsigned char const *	bytes,
		unsigned	numBytes,
		unsigned	bytePosition = `0`
	)			`[protected, inherited]`

Definition at line 111 of file MultiFramedRTPSink.cpp.

References MultiFramedRTPSink::fOutBuf, MultiFramedRTPSink::fSpecialHeaderPosition, and OutPacketBuffer::insert().

Referenced by doSpecialFrameHandling(), MP3ADURTPSink::doSpecialFrameHandling(), JPEGVideoRTPSink::doSpecialFrameHandling(), H263plusVideoRTPSink::doSpecialFrameHandling(), AMRAudioRTPSink::doSpecialFrameHandling(), and AC3AudioRTPSink::doSpecialFrameHandling().

00113                                                                       {
00114   fOutBuf->insert(bytes, numBytes, fSpecialHeaderPosition + bytePosition);
00115 }

void MultiFramedRTPSink::setFrameSpecificHeaderWord	(	unsigned	word,
		unsigned	wordPosition = `0`
	)			`[protected, inherited]`

Definition at line 117 of file MultiFramedRTPSink.cpp.

References MultiFramedRTPSink::fCurFrameSpecificHeaderPosition, MultiFramedRTPSink::fOutBuf, and OutPacketBuffer::insertWord().

00118                                                                            {
00119   fOutBuf->insertWord(word, fCurFrameSpecificHeaderPosition + 4*wordPosition);
00120 }

void MultiFramedRTPSink::setFrameSpecificHeaderBytes	(	unsigned char const *	bytes,
		unsigned	numBytes,
		unsigned	bytePosition = `0`
	)			`[protected, inherited]`

Definition at line 122 of file MultiFramedRTPSink.cpp.

References MultiFramedRTPSink::fCurFrameSpecificHeaderPosition, MultiFramedRTPSink::fOutBuf, and OutPacketBuffer::insert().

00124                                                                             {
00125   fOutBuf->insert(bytes, numBytes, fCurFrameSpecificHeaderPosition + bytePosition);
00126 }

void MultiFramedRTPSink::setFramePadding ( unsigned numPaddingBytes ) [protected, inherited]

Definition at line 128 of file MultiFramedRTPSink.cpp.

References OutPacketBuffer::enqueue(), OutPacketBuffer::extractWord(), MultiFramedRTPSink::fOutBuf, and OutPacketBuffer::insertWord().

00128                                                                  {
00129   if (numPaddingBytes > 0) {
00130     // Add the padding bytes (with the last one being the padding size):
00131     unsigned char paddingBuffer[255]; //max padding
00132     memset(paddingBuffer, 0, numPaddingBytes);
00133     paddingBuffer[numPaddingBytes-1] = numPaddingBytes;
00134     fOutBuf->enqueue(paddingBuffer, numPaddingBytes);
00135 
00136     // Set the RTP padding bit:
00137     unsigned rtpHdr = fOutBuf->extractWord(0);
00138     rtpHdr |= 0x20000000;
00139     fOutBuf->insertWord(rtpHdr, 0);
00140   }
00141 }

unsigned MultiFramedRTPSink::numFramesUsedSoFar ( ) const [inline, protected, inherited]

Definition at line 79 of file MultiFramedRTPSink.hh.

References MultiFramedRTPSink::fNumFramesUsedSoFar.

Referenced by AMRAudioRTPSink::doSpecialFrameHandling(), AC3AudioRTPSink::doSpecialFrameHandling(), and GSMAudioRTPSink::frameCanAppearAfterPacketStart().

00079 { return fNumFramesUsedSoFar; }

unsigned MultiFramedRTPSink::ourMaxPacketSize ( ) const [inline, protected, inherited]

Definition at line 81 of file MultiFramedRTPSink.hh.

References MultiFramedRTPSink::fOurMaxPacketSize.

Referenced by H264VideoRTPSink::continuePlaying().

00081 { return fOurMaxPacketSize; }

Boolean MultiFramedRTPSink::continuePlaying ( ) [protected, virtual, inherited]

Implements MediaSink.

Reimplemented in H264VideoRTPSink.

Definition at line 143 of file MultiFramedRTPSink.cpp.

References MultiFramedRTPSink::buildAndSendPacket(), and True.

Referenced by H264VideoRTPSink::continuePlaying().

00143                                             {
00144   // Send the first packet.
00145   // (This will also schedule any future sends.)
00146   buildAndSendPacket(True);
00147   return True;
00148 }

void MultiFramedRTPSink::stopPlaying ( ) [protected, virtual, inherited]

Reimplemented from MediaSink.

Reimplemented in H264VideoRTPSink.

Definition at line 150 of file MultiFramedRTPSink.cpp.

References MultiFramedRTPSink::fOutBuf, OutPacketBuffer::resetOffset(), OutPacketBuffer::resetOverflowData(), OutPacketBuffer::resetPacketStart(), and MediaSink::stopPlaying().

Referenced by H264VideoRTPSink::stopPlaying().

00150                                      {
00151   fOutBuf->resetPacketStart();
00152   fOutBuf->resetOffset();
00153   fOutBuf->resetOverflowData();
00154 
00155   // Then call the default "stopPlaying()" function:
00156   MediaSink::stopPlaying();
00157 }

Boolean RTPSink::lookupByName	(	UsageEnvironment &	env,
		char const *	sinkName,
		RTPSink *&	resultSink
	)			`[static, inherited]`

Definition at line 26 of file RTPSink.cpp.

References env, False, MediaSink::isRTPSink(), MediaSink::lookupByName(), NULL, and True.

00027                                                       {
00028   resultSink = NULL; // unless we succeed
00029 
00030   MediaSink* sink;
00031   if (!MediaSink::lookupByName(env, sinkName, sink)) return False;
00032 
00033   if (!sink->isRTPSink()) {
00034     env.setResultMsg(sinkName, " is not a RTP sink");
00035     return False;
00036   }
00037 
00038   resultSink = (RTPSink*)sink;
00039   return True;
00040 }

Boolean MediaSink::lookupByName	(	UsageEnvironment &	env,
		char const *	sinkName,
		MediaSink *&	resultSink
	)			`[static, inherited]`

Definition at line 39 of file MediaSink.cpp.

References env, False, Medium::isSink(), Medium::lookupByName(), NULL, and True.

Referenced by RTPSink::lookupByName().

00040                                                         {
00041   resultSink = NULL; // unless we succeed
00042 
00043   Medium* medium;
00044   if (!Medium::lookupByName(env, sinkName, medium)) return False;
00045 
00046   if (!medium->isSink()) {
00047     env.setResultMsg(sinkName, " is not a media sink");
00048     return False;
00049   }
00050 
00051   resultSink = (MediaSink*)medium;
00052   return True;
00053 }

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

Definition at line 65 of file Media.cpp.

References env, False, MediaLookupTable::lookup(), NULL, MediaLookupTable::ourMedia(), UsageEnvironment::setResultMsg(), and True.

Referenced by ServerMediaSession::lookupByName(), RTSPServer::lookupByName(), RTSPClient::lookupByName(), RTCPInstance::lookupByName(), MediaSource::lookupByName(), MediaSink::lookupByName(), MediaSession::lookupByName(), and DarwinInjector::lookupByName().

00066                                                          {
00067   resultMedium = MediaLookupTable::ourMedia(env)->lookup(mediumName);
00068   if (resultMedium == NULL) {
00069     env.setResultMsg("Medium ", mediumName, " does not exist");
00070     return False;
00071   }
00072 
00073   return True;
00074 }

u_int32_t RTPSink::SSRC ( ) const [inline, inherited]

Definition at line 39 of file RTPSink.hh.

References RTPSink::fSSRC.

Referenced by RTCPInstance::addBYE(), RTCPInstance::addSDES(), RTCPInstance::addSR(), MultiFramedRTPSink::buildAndSendPacket(), and RTCPInstance::incomingReportHandler1().

00039 {return fSSRC;}

u_int32_t RTPSink::convertToRTPTimestamp ( struct timeval tv ) [inherited]

Definition at line 73 of file RTPSink.cpp.

References False, RTPSink::fNextTimestampHasBeenPreset, RTPSink::fTimestampBase, and RTPSink::fTimestampFrequency.

Referenced by RTCPInstance::addSR(), RTPSink::presetNextTimestamp(), and MultiFramedRTPSink::setTimestamp().

00073                                                           {
00074   // Begin by converting from "struct timeval" units to RTP timestamp units:
00075   u_int32_t timestampIncrement = (fTimestampFrequency*tv.tv_sec);
00076   timestampIncrement += (u_int32_t)((2.0*fTimestampFrequency*tv.tv_usec + 1000000.0)/2000000);
00077        // note: rounding
00078 
00079   // Then add this to our 'timestamp base':
00080   if (fNextTimestampHasBeenPreset) {
00081     // Make the returned timestamp the same as the current "fTimestampBase",
00082     // so that timestamps begin with the value that was previously preset:
00083     fTimestampBase -= timestampIncrement;
00084     fNextTimestampHasBeenPreset = False;
00085   }
00086 
00087   u_int32_t const rtpTimestamp = fTimestampBase + timestampIncrement;
00088 #ifdef DEBUG_TIMESTAMPS
00089   fprintf(stderr, "fTimestampBase: 0x%08x, tv: %lu.%06ld\n\t=> RTP timestamp: 0x%08x\n",
00090           fTimestampBase, tv.tv_sec, tv.tv_usec, rtpTimestamp);
00091   fflush(stderr);
00092 #endif
00093 
00094   return rtpTimestamp;
00095 }

unsigned RTPSink::packetCount ( ) const [inline, inherited]

Definition at line 42 of file RTPSink.hh.

References RTPSink::fPacketCount.

Referenced by RTCPInstance::addSR(), RTPTransmissionStats::noteIncomingRR(), and RTPTransmissionStats::RTPTransmissionStats().

00042 {return fPacketCount;}

unsigned RTPSink::octetCount ( ) const [inline, inherited]

Definition at line 43 of file RTPSink.hh.

References RTPSink::fOctetCount.

Referenced by RTCPInstance::addSR(), RTPTransmissionStats::noteIncomingRR(), and RTPTransmissionStats::RTPTransmissionStats().

00043 {return fOctetCount;}

Groupsock const& RTPSink::groupsockBeingUsed ( ) const [inline, inherited]

Definition at line 46 of file RTPSink.hh.

References RTPSink::fRTPInterface, and RTPInterface::gs().

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

00046 { return *(fRTPInterface.gs()); }

Groupsock& RTPSink::groupsockBeingUsed ( ) [inline, inherited]

Definition at line 47 of file RTPSink.hh.

References RTPSink::fRTPInterface, and RTPInterface::gs().

00047 { return *(fRTPInterface.gs()); }

unsigned char RTPSink::rtpPayloadType ( ) const [inline, inherited]

Definition at line 49 of file RTPSink.hh.

References RTPSink::fRTPPayloadType.

Referenced by MPEG4ESVideoRTPSink::auxSDPLine(), AMRAudioRTPSink::auxSDPLine(), RTPSink::rtpmapLine(), PassiveServerMediaSubsession::sdpLines(), OnDemandServerMediaSubsession::setSDPLinesFromRTPSink(), and SubstreamDescriptor::SubstreamDescriptor().

00049 { return fRTPPayloadType; }

unsigned RTPSink::rtpTimestampFrequency ( ) const [inline, inherited]

Definition at line 50 of file RTPSink.hh.

References RTPSink::fTimestampFrequency.

Referenced by RTPSink::rtpmapLine(), and SubstreamDescriptor::SubstreamDescriptor().

00050 { return fTimestampFrequency; }

void RTPSink::setRTPTimestampFrequency ( unsigned freq ) [inline, inherited]

Definition at line 51 of file RTPSink.hh.

References RTPSink::fTimestampFrequency.

00051                                                {
00052     fTimestampFrequency = freq;
00053   }

char const* RTPSink::rtpPayloadFormatName ( ) const [inline, inherited]

Definition at line 54 of file RTPSink.hh.

References RTPSink::fRTPPayloadFormatName.

Referenced by RTPSink::rtpmapLine(), and SubstreamDescriptor::SubstreamDescriptor().

00054 {return fRTPPayloadFormatName;}

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

Definition at line 56 of file RTPSink.hh.

References RTPSink::fNumChannels.

Referenced by RTPSink::rtpmapLine(), AMRAudioRTPSink::sourceIsCompatibleWithUs(), and SubstreamDescriptor::SubstreamDescriptor().

00056 { return fNumChannels; }

char * RTPSink::rtpmapLine ( ) const [virtual, inherited]

Definition at line 125 of file RTPSink.cpp.

References RTPSink::numChannels(), RTPSink::rtpPayloadFormatName(), RTPSink::rtpPayloadType(), RTPSink::rtpTimestampFrequency(), and strDup().

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

00125                                 {
00126   if (rtpPayloadType() >= 96) { // the payload format type is dynamic
00127     char* encodingParamsPart;
00128     if (numChannels() != 1) {
00129       encodingParamsPart = new char[1 + 20 /* max int len */];
00130       sprintf(encodingParamsPart, "/%d", numChannels());
00131     } else {
00132       encodingParamsPart = strDup("");
00133     }
00134     char const* const rtpmapFmt = "a=rtpmap:%d %s/%d%s\r\n";
00135     unsigned rtpmapFmtSize = strlen(rtpmapFmt)
00136       + 3 /* max char


Public Types
typedef void(	afterPlayingFunc )(void *clientData)
Public Member Functions
void	setPacketSizes (unsigned preferredPacketSize, unsigned maxPacketSize)
u_int32_t	SSRC () const
u_int32_t	convertToRTPTimestamp (struct timeval tv)
unsigned	packetCount () const
unsigned	octetCount () const
Groupsock const &	groupsockBeingUsed () const
Groupsock &	groupsockBeingUsed ()
unsigned char	rtpPayloadType () const
unsigned	rtpTimestampFrequency () const
void	setRTPTimestampFrequency (unsigned freq)
char const *	rtpPayloadFormatName () const
unsigned	numChannels () const
virtual char *	rtpmapLine () const
u_int16_t	currentSeqNo () const
u_int32_t	presetNextTimestamp ()
RTPTransmissionStatsDB &	transmissionStatsDB () const
Boolean	nextTimestampHasBeenPreset () const
void	setStreamSocket (int sockNum, unsigned char streamChannelId)
void	addStreamSocket (int sockNum, unsigned char streamChannelId)
void	removeStreamSocket (int sockNum, unsigned char streamChannelId)
void	getTotalBitrate (unsigned &outNumBytes, double &outElapsedTime)
Boolean	startPlaying (MediaSource &source, afterPlayingFunc afterFunc, void afterClientData)
FramedSource *	source () const
UsageEnvironment &	envir () const
char const *	name () const
virtual Boolean	isSource () 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 MPEG4GenericRTPSink *	createNew (UsageEnvironment &env, Groupsock RTPgs, u_int8_t rtpPayloadFormat, u_int32_t rtpTimestampFrequency, char const sdpMediaTypeString, char const mpeg4Mode, char const configString, unsigned numChannels=1)
static Boolean	lookupByName (UsageEnvironment &env, char const sinkName, RTPSink &resultSink)
static Boolean	lookupByName (UsageEnvironment &env, char const sinkName, MediaSink &resultSink)
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
	MPEG4GenericRTPSink (UsageEnvironment &env, Groupsock RTPgs, u_int8_t rtpPayloadFormat, u_int32_t rtpTimestampFrequency, char const sdpMediaTypeString, char const mpeg4Mode, char const configString, unsigned numChannels)
virtual	~MPEG4GenericRTPSink ()
virtual Boolean	allowFragmentationAfterStart () const
virtual Boolean	allowOtherFramesAfterLastFragment () const
virtual unsigned	frameSpecificHeaderSize () const
Boolean	isFirstPacket () const
Boolean	isFirstFrameInPacket () const
Boolean	curFragmentationOffset () const
void	setMarkerBit ()
void	setTimestamp (struct timeval timestamp)
void	setSpecialHeaderWord (unsigned word, unsigned wordPosition=0)
void	setSpecialHeaderBytes (unsigned char const *bytes, unsigned numBytes, unsigned bytePosition=0)
void	setFrameSpecificHeaderWord (unsigned word, unsigned wordPosition=0)
void	setFrameSpecificHeaderBytes (unsigned char const *bytes, unsigned numBytes, unsigned bytePosition=0)
void	setFramePadding (unsigned numPaddingBytes)
unsigned	numFramesUsedSoFar () const
unsigned	ourMaxPacketSize () const
virtual Boolean	continuePlaying ()
virtual void	stopPlaying ()
virtual Boolean	sourceIsCompatibleWithUs (MediaSource &source)
TaskToken &	nextTask ()
Static Protected Member Functions
static void	onSourceClosure (void *clientData)
Protected Attributes
RTPInterface	fRTPInterface
unsigned char	fRTPPayloadType
unsigned	fPacketCount
unsigned	fOctetCount
unsigned	fTotalOctetCount
timeval	fTotalOctetCountStartTime
u_int32_t	fCurrentTimestamp
u_int16_t	fSeqNo
FramedSource *	fSource
Private Member Functions
virtual Boolean	frameCanAppearAfterPacketStart (unsigned char const *frameStart, unsigned numBytesInFrame) const
virtual void	doSpecialFrameHandling (unsigned fragmentationOffset, unsigned char *frameStart, unsigned numBytesInFrame, struct timeval frameTimestamp, unsigned numRemainingBytes)
virtual unsigned	specialHeaderSize () const
virtual char const *	sdpMediaType () const
virtual char const *	auxSDPLine ()
Private Attributes
char const *	fSDPMediaTypeString
char const *	fMPEG4Mode
char const *	fConfigString
char *	fFmtpSDPLine

MPEG4GenericRTPSink Class Reference

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation