RTPSink* ProxyServerMediaSubsession
::createNewRTPSink(Groupsock* rtpGroupsock, unsigned char rtpPayloadTypeIfDynamic, FramedSource* inputSource) {
if (verbosityLevel() > 0) {
envir() << *this << "::createNewRTPSink()\n";
}
// Create (and return) the appropriate "RTPSink" object for our codec:
// (Note: The configuration string might not be correct if a transcoder is used. FIX!) #####
RTPSink* newSink;
if (strcmp(fCodecName, "AC3") == 0 || strcmp(fCodecName, "EAC3") == 0) {
newSink = AC3AudioRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
fClientMediaSubsession.rtpTimestampFrequency());
#if 0 // This code does not work; do *not* enable it:
} else if (strcmp(fCodecName, "AMR") == 0 || strcmp(fCodecName, "AMR-WB") == 0) {
Boolean isWideband = strcmp(fCodecName, "AMR-WB") == 0;
newSink = AMRAudioRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
isWideband, fClientMediaSubsession.numChannels());
#endif
} else if (strcmp(fCodecName, "DV") == 0) {
newSink = DVVideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic);
} else if (strcmp(fCodecName, "GSM") == 0) {
newSink = GSMAudioRTPSink::createNew(envir(), rtpGroupsock);
} else if (strcmp(fCodecName, "H263-1998") == 0 || strcmp(fCodecName, "H263-2000") == 0) {
newSink = H263plusVideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
fClientMediaSubsession.rtpTimestampFrequency());
} else if (strcmp(fCodecName, "H264") == 0) {
newSink = H264VideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
fClientMediaSubsession.fmtp_spropparametersets());
} else if (strcmp(fCodecName, "H265") == 0) {
newSink = H265VideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
fClientMediaSubsession.fmtp_spropvps(),
fClientMediaSubsession.fmtp_spropsps(),
fClientMediaSubsession.fmtp_sproppps());
} else if (strcmp(fCodecName, "JPEG") == 0) {
newSink = SimpleRTPSink::createNew(envir(), rtpGroupsock, 26, 90000, "video", "JPEG",
1/*numChannels*/, False/*allowMultipleFramesPerPacket*/, False/*doNormalMBitRule*/);
} else if (strcmp(fCodecName, "MP4A-LATM") == 0) {
newSink = MPEG4LATMAudioRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
fClientMediaSubsession.rtpTimestampFrequency(),
fClientMediaSubsession.fmtp_config(),
fClientMediaSubsession.numChannels());
} else if (strcmp(fCodecName, "MP4V-ES") == 0) {
newSink = MPEG4ESVideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
fClientMediaSubsession.rtpTimestampFrequency(),
fClientMediaSubsession.attrVal_unsigned("profile-level-id"),
fClientMediaSubsession.fmtp_config());
} else if (strcmp(fCodecName, "MPA") == 0) {
newSink = MPEG1or2AudioRTPSink::createNew(envir(), rtpGroupsock);
} else if (strcmp(fCodecName, "MPA-ROBUST") == 0) {
newSink = MP3ADURTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic);
} else if (strcmp(fCodecName, "MPEG4-GENERIC") == 0) {
newSink = MPEG4GenericRTPSink::createNew(envir(), rtpGroupsock,
rtpPayloadTypeIfDynamic, fClientMediaSubsession.rtpTimestampFrequency(),
fClientMediaSubsession.mediumName(),
fClientMediaSubsession.attrVal_strToLower("mode"),
fClientMediaSubsession.fmtp_config(), fClientMediaSubsession.numChannels());
} else if (strcmp(fCodecName, "MPV") == 0) {
newSink = MPEG1or2VideoRTPSink::createNew(envir(), rtpGroupsock);
} else if (strcmp(fCodecName, "OPUS") == 0) {
newSink = SimpleRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
48000, "audio", "OPUS", 2, False/*only 1 Opus 'packet' in each RTP packet*/);
} else if (strcmp(fCodecName, "T140") == 0) {
newSink = T140TextRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic);
} else if (strcmp(fCodecName, "THEORA") == 0) {
newSink = TheoraVideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
fClientMediaSubsession.fmtp_config());
} else if (strcmp(fCodecName, "VORBIS") == 0) {
newSink = VorbisAudioRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
fClientMediaSubsession.rtpTimestampFrequency(), fClientMediaSubsession.numChannels(),
fClientMediaSubsession.fmtp_config());
} else if (strcmp(fCodecName, "VP8") == 0) {
newSink = VP8VideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic);
} else if (strcmp(fCodecName, "VP9") == 0) {
newSink = VP9VideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic);
} else if (strcmp(fCodecName, "AMR") == 0 || strcmp(fCodecName, "AMR-WB") == 0) {
// Proxying of these codecs is currently *not* supported, because the data received by the "RTPSource" object is not in a
// form that can be fed directly into a corresponding "RTPSink" object.
if (verbosityLevel() > 0) {
envir() << "\treturns NULL (because we currently don't support the proxying of \""
<< fClientMediaSubsession.mediumName() << "/" << fCodecName << "\" streams)\n";
}
return NULL;
} else if (strcmp(fCodecName, "QCELP") == 0 ||
strcmp(fCodecName, "H261") == 0 ||
strcmp(fCodecName, "H263-1998") == 0 || strcmp(fCodecName, "H263-2000") == 0 ||
strcmp(fCodecName, "X-QT") == 0 || strcmp(fCodecName, "X-QUICKTIME") == 0) {
// This codec requires a specialized RTP payload format; however, we don't yet have an appropriate "RTPSink" subclass for it:
if (verbosityLevel() > 0) {
envir() << "\treturns NULL (because we don't have a \"RTPSink\" subclass for this RTP payload format)\n";
}
return NULL;
} else {
// This codec is assumed to have a simple RTP payload format that can be implemented just with a "SimpleRTPSink":
Boolean allowMultipleFramesPerPacket = True; // by default
Boolean doNormalMBitRule = True; // by default
// Some codecs change the above default parameters:
if (strcmp(fCodecName, "MP2T") == 0) {
doNormalMBitRule = False; // no RTP 'M' bit
}
newSink = SimpleRTPSink::createNew(envir(), rtpGroupsock,
rtpPayloadTypeIfDynamic, fClientMediaSubsession.rtpTimestampFrequency(),
fClientMediaSubsession.mediumName(), fCodecName,
fClientMediaSubsession.numChannels(), allowMultipleFramesPerPacket, doNormalMBitRule);
}
// Because our relayed frames' presentation times are inaccurate until the input frames have been RTCP-synchronized,
// we temporarily disable RTCP "SR" reports for this "RTPSink" object:
newSink->enableRTCPReports() = False;
// Also tell our "PresentationTimeSubsessionNormalizer" object about the "RTPSink", so it can enable RTCP "SR" reports later:
PresentationTimeSubsessionNormalizer* ssNormalizer;
if (strcmp(fCodecName, "H264") == 0 ||
strcmp(fCodecName, "H265") == 0 ||
strcmp(fCodecName, "MP4V-ES") == 0 ||
strcmp(fCodecName, "MPV") == 0 ||
strcmp(fCodecName, "DV") == 0) {
// There was a separate 'framer' object in front of the "PresentationTimeSubsessionNormalizer", so go back one object to get it:
ssNormalizer = (PresentationTimeSubsessionNormalizer*)(((FramedFilter*)inputSource)->inputSource());
} else {
ssNormalizer = (PresentationTimeSubsessionNormalizer*)inputSource;
}
ssNormalizer->setRTPSink(newSink);
return newSink;
}
RTPSink* ProxyServerMediaSubsession
::createNewRTPSink(Groupsock* rtpGroupsock, unsigned char rtpPayloadTypeIfDynamic, FramedSource* inputSource) {
if (verbosityLevel() > 0) {
envir() << *this << "::createNewRTPSink()\n";
}
// Create (and return) the appropriate "RTPSink" object for our codec:
RTPSink* newSink;
char const* const codecName = fClientMediaSubsession.codecName();
if (strcmp(codecName, "AC3") == 0 || strcmp(codecName, "EAC3") == 0) {
newSink = AC3AudioRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
fClientMediaSubsession.rtpTimestampFrequency());
} else if (strcmp(codecName, "AMR") == 0 || strcmp(codecName, "AMR-WB") == 0) {
Boolean isWideband = strcmp(codecName, "AMR-WB") == 0;
newSink = AMRAudioRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
isWideband, fClientMediaSubsession.numChannels());
} else if (strcmp(codecName, "DV") == 0) {
newSink = DVVideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic);
} else if (strcmp(codecName, "GSM") == 0) {
newSink = GSMAudioRTPSink::createNew(envir(), rtpGroupsock);
} else if (strcmp(codecName, "H263-1998") == 0 || strcmp(codecName, "H263-2000") == 0) {
newSink = H263plusVideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
fClientMediaSubsession.rtpTimestampFrequency());
} else if (strcmp(codecName, "H264") == 0) {
newSink = H264VideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
fClientMediaSubsession.fmtp_spropparametersets());
} else if (strcmp(codecName, "MP4A-LATM") == 0) {
newSink = MPEG4LATMAudioRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
fClientMediaSubsession.rtpTimestampFrequency(),
fClientMediaSubsession.fmtp_config(),
fClientMediaSubsession.numChannels());
} else if (strcmp(codecName, "MP4V-ES") == 0) {
newSink = MPEG4ESVideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
fClientMediaSubsession.rtpTimestampFrequency(),
fClientMediaSubsession.fmtp_profile_level_id(), fClientMediaSubsession.fmtp_config());
} else if (strcmp(codecName, "MPA") == 0) {
newSink = MPEG1or2AudioRTPSink::createNew(envir(), rtpGroupsock);
} else if (strcmp(codecName, "MPA-ROBUST") == 0) {
newSink = MP3ADURTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic);
} else if (strcmp(codecName, "MPEG4-GENERIC") == 0) {
newSink = MPEG4GenericRTPSink::createNew(envir(), rtpGroupsock,
rtpPayloadTypeIfDynamic, fClientMediaSubsession.rtpTimestampFrequency(),
fClientMediaSubsession.mediumName(), fClientMediaSubsession.fmtp_mode(),
fClientMediaSubsession.fmtp_config(), fClientMediaSubsession.numChannels());
} else if (strcmp(codecName, "MPV") == 0) {
newSink = MPEG1or2VideoRTPSink::createNew(envir(), rtpGroupsock);
} else if (strcmp(codecName, "T140") == 0) {
newSink = T140TextRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic);
} else if (strcmp(codecName, "VORBIS") == 0) {
newSink = VorbisAudioRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic,
fClientMediaSubsession.rtpTimestampFrequency(), fClientMediaSubsession.numChannels(),
fClientMediaSubsession.fmtp_config());
} else if (strcmp(codecName, "VP8") == 0) {
newSink = VP8VideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic);
} else if (strcmp(codecName, "QCELP") == 0 ||
strcmp(codecName, "H261") == 0 ||
strcmp(codecName, "H263-1998") == 0 || strcmp(codecName, "H263-2000") == 0 ||
strcmp(codecName, "X-QT") == 0 || strcmp(codecName, "X-QUICKTIME") == 0) {
// This codec requires a specialized RTP payload format; however, we don't yet have an appropriate "RTPSink" subclass for it:
if (verbosityLevel() > 0) {
envir() << "\treturns NULL (because we don't have a \"RTPSink\" subclass for this RTP payload format)\n";
}
return NULL;
} else {
// This codec is assumed to have a simple RTP paylaod format that can be implemented just with a "SimpleRTPSink":
Boolean allowMultipleFramesPerPacket = True; // by default
Boolean doNormalMBitRule = True; // by default
// Some codecs change the above default parameters:
if (strcmp(codecName, "MP2T") == 0) {
doNormalMBitRule = False; // no RTP 'M' bit
}
newSink = SimpleRTPSink::createNew(envir(), rtpGroupsock,
rtpPayloadTypeIfDynamic, fClientMediaSubsession.rtpTimestampFrequency(),
fClientMediaSubsession.mediumName(), fClientMediaSubsession.codecName(),
fClientMediaSubsession.numChannels(), allowMultipleFramesPerPacket, doNormalMBitRule);
}
// Because our relayed frames' presentation times are inaccurate until the input frames have been RTCP-synchronized,
// we temporarily disable RTCP "SR" reports for this "RTPSink" object:
newSink->enableRTCPReports() = False;
// Also tell our "PresentationTimeSubsessionNormalizer" object about the "RTPSink", so it can enable RTCP "SR" reports later:
PresentationTimeSubsessionNormalizer* ssNormalizer;
if (strcmp(codecName, "H264") == 0 ||
strcmp(codecName, "MP4V-ES") == 0 ||
strcmp(codecName, "MPV") == 0 ||
strcmp(codecName, "DV") == 0) {
// There was a separate 'framer' object in front of the "PresentationTimeSubsessionNormalizer", so go back one object to get it:
ssNormalizer = (PresentationTimeSubsessionNormalizer*)(((FramedFilter*)inputSource)->inputSource());
} else {
ssNormalizer = (PresentationTimeSubsessionNormalizer*)inputSource;
}
ssNormalizer->setRTPSink(newSink);
return newSink;
}
