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TSSRT: fixes to timestamp rewriting

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This commit is contained in:
Marco van Dijk 2023-11-29 11:34:12 +01:00 • committed by Thulinma
parent d2d4b0acbe
commit 3fb92a01d3
4 changed files with 30 additions and 16 deletions
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22
src/input/input_tssrt.cpp
View file

@ -51,6 +51,7 @@ namespace Mist{
inputTSSRT::inputTSSRT(Util::Config *cfg, Socket::SRTConnection s) : Input(cfg){
rawIdx = INVALID_TRACK_ID;
lastRawPacket = 0;
bootMSOffsetCalculated = false;
assembler.setLive();
capa["name"] = "TSSRT";
capa["desc"] = "This input allows for processing MPEG2-TS-based SRT streams. Use mode=listener "
@ -264,18 +265,23 @@ namespace Mist{
thisIdx = M.trackIDToIndex(thisPacket.getTrackId(), getpid());
if (thisIdx == INVALID_TRACK_ID){getNext(idx);}
uint64_t adjustTime = thisPacket.getTime() + timeStampOffset;
uint64_t pktTimeWithOffset = thisPacket.getTime() + timeStampOffset;
if (lastTimeStamp || timeStampOffset){
if (lastTimeStamp + 5000 < adjustTime || lastTimeStamp > adjustTime + 5000){
uint64_t targetTime = Util::bootMS() - M.getBootMsOffset();
if (targetTime + 5000 < pktTimeWithOffset || targetTime > pktTimeWithOffset + 5000){
INFO_MSG("Timestamp jump " PRETTY_PRINT_MSTIME " -> " PRETTY_PRINT_MSTIME ", compensating.",
PRETTY_ARG_MSTIME(lastTimeStamp), PRETTY_ARG_MSTIME(adjustTime));
timeStampOffset += (lastTimeStamp - adjustTime);
adjustTime = thisPacket.getTime() + timeStampOffset;
PRETTY_ARG_MSTIME(targetTime), PRETTY_ARG_MSTIME(pktTimeWithOffset));
timeStampOffset += (targetTime - pktTimeWithOffset);
pktTimeWithOffset = thisPacket.getTime() + timeStampOffset;
}
}
if (!lastTimeStamp){meta.setBootMsOffset(Util::bootMS() - adjustTime);}
lastTimeStamp = adjustTime;
thisPacket.setTime(adjustTime);
if (!bootMSOffsetCalculated){
meta.setBootMsOffset((int64_t)Util::bootMS() - (int64_t)pktTimeWithOffset);
bootMSOffsetCalculated = true;
}
lastTimeStamp = pktTimeWithOffset;
thisPacket.setTime(pktTimeWithOffset);
thisTime = pktTimeWithOffset;
}
bool inputTSSRT::openStreamSource(){return true;}

1
src/input/input_tssrt.h
View file

@ -45,6 +45,7 @@ namespace Mist{
Util::ResizeablePointer rawBuffer;
size_t rawIdx;
uint64_t lastRawPacket;
bool bootMSOffsetCalculated;
};
}// namespace Mist

22
src/output/output_tssrt.cpp
View file

@ -16,6 +16,7 @@ namespace Mist{
streamName = config->getString("streamname");
Util::setStreamName(streamName);
pushOut = false;
bootMSOffsetCalculated = false;
assembler.setLive();
// Push output configuration
if (config->getString("target").size()){
@ -382,18 +383,23 @@ namespace Mist{
userSelect[thisIdx].reload(streamName, thisIdx, COMM_STATUS_SOURCE | COMM_STATUS_DONOTTRACK);
}
uint64_t adjustTime = thisPacket.getTime() + timeStampOffset;
uint64_t pktTimeWithOffset = thisPacket.getTime() + timeStampOffset;
if (lastTimeStamp || timeStampOffset){
if (lastTimeStamp + 5000 < adjustTime || lastTimeStamp > adjustTime + 5000){
uint64_t targetTime = Util::bootMS() - M.getBootMsOffset();
if (targetTime + 5000 < pktTimeWithOffset || targetTime > pktTimeWithOffset + 5000){
INFO_MSG("Timestamp jump " PRETTY_PRINT_MSTIME " -> " PRETTY_PRINT_MSTIME ", compensating.",
PRETTY_ARG_MSTIME(lastTimeStamp), PRETTY_ARG_MSTIME(adjustTime));
timeStampOffset += (lastTimeStamp - adjustTime);
adjustTime = thisPacket.getTime() + timeStampOffset;
PRETTY_ARG_MSTIME(targetTime), PRETTY_ARG_MSTIME(pktTimeWithOffset));
timeStampOffset += (targetTime - pktTimeWithOffset);
pktTimeWithOffset = thisPacket.getTime() + timeStampOffset;
}
}
if (!lastTimeStamp){meta.setBootMsOffset(Util::bootMS() - adjustTime);}
lastTimeStamp = adjustTime;
thisPacket.setTime(adjustTime);
if (!bootMSOffsetCalculated){
meta.setBootMsOffset(Util::bootMS() - pktTimeWithOffset);
bootMSOffsetCalculated = true;
}
lastTimeStamp = pktTimeWithOffset;
thisPacket.setTime(pktTimeWithOffset);
thisTime = pktTimeWithOffset;
bufferLivePacket(thisPacket);
}
}

1
src/output/output_tssrt.h
View file

@ -29,6 +29,7 @@ namespace Mist{
Socket::UDPConnection pushSock;
TS::Stream tsIn;
TS::Assembler assembler;
bool bootMSOffsetCalculated;
Socket::SRTConnection & srtConn;
};