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EBML input tweaks

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This commit is contained in:
Thulinma 2019-04-29 10:10:17 +02:00
parent d83a54fac6
commit 6c01a591d3
1 changed files with 10 additions and 4 deletions
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14
src/input/input_ebml.h
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@ -76,6 +76,11 @@ namespace Mist{
}else{
if (rem && !p.key){
p.offset = p.time + maxEBMLFrameOffset - (lastTime + smallestFrame);
if (p.offset > (maxEBMLFrameOffset + frameOffset + smallestFrame)){
uint64_t diff = p.offset - (maxEBMLFrameOffset + frameOffset + smallestFrame);
p.offset -= diff;
lastTime += diff;
}
//If we calculate an offset less than a frame away,
//we assume it's just time stamp drift due to lack of precision.
p.time = (lastTime + smallestFrame);
@ -96,15 +101,16 @@ namespace Mist{
}
if (isVideo && ctr && ctr >= rem){
int32_t currOffset = packTime - pkts[(ctr-1)%PKT_COUNT].time;
if (!frameOffsetKnown && currOffset < 0 && -currOffset < 8 * smallestFrame &&
-currOffset * 2 > maxEBMLFrameOffset && ctr < PKT_COUNT / 2){
maxEBMLFrameOffset = -currOffset * 2;
INFO_MSG("Max frame offset is now %u", maxEBMLFrameOffset);
}
if (currOffset < 0){currOffset *= -1;}
if (!smallestFrame || currOffset < smallestFrame){
smallestFrame = currOffset;
HIGH_MSG("Smallest frame is now %u", smallestFrame);
}
if (!frameOffsetKnown && currOffset < 8*smallestFrame && currOffset*2 > maxEBMLFrameOffset && ctr < PKT_COUNT/2){
maxEBMLFrameOffset = currOffset*2;
INFO_MSG("Max frame offset is now %u", maxEBMLFrameOffset);
}
}
DONTEVEN_MSG("Ingesting %llu (%llu -> %llu)", packTime, ctr, ctr % PKT_COUNT);
pkts[ctr % PKT_COUNT].set(packTime, packOffset, packTrack, packDataSize, packBytePos, isKeyframe, dataPtr);