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JPG output now retries several seek points if the first is not available for some reason

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Thulinma 2020-08-22 15:20:08 +02:00
parent 8b73260194
commit 5150a2ec32
1 changed files with 21 additions and 4 deletions
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25
src/output/output_jpg.cpp
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@ -77,9 +77,21 @@ namespace Mist{
}
uint64_t seekPos = M.getFirstms(mainTrack) + (M.getLastms(mainTrack) - M.getFirstms(mainTrack)) / 2;
MEDIUM_MSG("VoD seek to %" PRIu64 "ms", seekPos);
uint32_t targetKey = M.getKeyIndexForTime(mainTrack, seekPos);
seek(M.getTimeForKeyIndex(mainTrack, targetKey));
bool didSeek = false;
size_t retries = 10;
while (!didSeek && --retries){
MEDIUM_MSG("VoD seek to %" PRIu64 "ms", seekPos);
uint32_t targetKey = M.getKeyIndexForTime(mainTrack, seekPos);
didSeek = seek(M.getTimeForKeyIndex(mainTrack, targetKey));
if (!didSeek){
selectDefaultTracks();
mainTrack = getMainSelectedTrack();
}
seekPos = M.getFirstms(mainTrack) + (M.getLastms(mainTrack) - M.getFirstms(mainTrack)) * (((double)retries)/10.0);
}
if (!didSeek){
onFail("Could not seek to location for image");
}
}
void OutJPG::init(Util::Config *cfg){
@ -209,6 +221,11 @@ namespace Mist{
}
initialSeek();
size_t mainTrack = getMainSelectedTrack();
if (mainTrack == INVALID_TRACK_ID){
FAIL_MSG("Could not select valid track");
return;
}
int fin = -1, fout = -1, ferr = 2;
pid_t ffmpeg = -1;
@ -253,7 +270,7 @@ namespace Mist{
// Send H264 init data in Annex B format
MP4::AVCC avccbox;
avccbox.setPayload(M.getInit(getMainSelectedTrack()));
avccbox.setPayload(M.getInit(mainTrack));
ffconn.SendNow(avccbox.asAnnexB());
INSANE_MSG("Sent init data to ffmpeg...");