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Added minKeepAway support to DTSC::Track object, senders and parsers

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This commit is contained in:
Thulinma 2017-08-03 15:06:12 +02:00
parent c895a6b7e2
commit f3f2802844
3 changed files with 34 additions and 6 deletions
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12
src/output/output.cpp
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@ -624,7 +624,7 @@ namespace Mist{
/// This function decides where in the stream initial playback starts.
/// The default implementation calls seek(0) for VoD.
/// For live, it seeks to the last sync'ed keyframe of the main track, no closer than needsLookAhead ms from the end.
/// For live, it seeks to the last sync'ed keyframe of the main track, no closer than needsLookAhead+minKeepAway ms from the end.
/// Unless lastms < 5000, then it seeks to the first keyframe of the main track.
/// Aborts if there is no main track or it has no keyframes.
void Output::initialSeek(){
@ -640,17 +640,17 @@ namespace Mist{
bool good = true;
//check if all tracks have data for this point in time
for (std::set<unsigned long>::iterator ti = selectedTracks.begin(); ti != selectedTracks.end(); ++ti){
if (myMeta.tracks[*ti].lastms < seekPos+needsLookAhead){good = false; break;}
if (mainTrack == *ti){continue;}//skip self
if (!myMeta.tracks.count(*ti)){
HIGH_MSG("Skipping track %lu, not in tracks", *ti);
continue;
}//ignore missing tracks
if (myMeta.tracks[*ti].lastms == myMeta.tracks[*ti].firstms){
DTSC::Track & thisTrack = myMeta.tracks[*ti];
if (thisTrack.lastms < seekPos+needsLookAhead+thisTrack.minKeepAway){good = false; break;}
if (mainTrack == *ti){continue;}//skip self
if (thisTrack.lastms == thisTrack.firstms){
HIGH_MSG("Skipping track %lu, last equals first", *ti);
continue;
}//ignore point-tracks
if (myMeta.tracks[*ti].lastms < seekPos){good = false; break;}
HIGH_MSG("Track %lu is good", *ti);
}
//if yes, seek here
@ -660,7 +660,7 @@ namespace Mist{
MEDIUM_MSG("Initial seek to %llums", seekPos);
seek(seekPos);
}
void Output::requestHandler(){
static bool firstData = true;//only the first time, we call onRequest if there's data buffered already.
if ((firstData && myConn.Received().size()) || myConn.spool()){