RefPtr<MP4TrackDemuxer::SeekPromise>
MP4TrackDemuxer::Seek(const media::TimeUnit& aTime)
{
auto seekTime = aTime;
mQueuedSample = nullptr;
mIterator->Seek(seekTime.ToMicroseconds());
// Check what time we actually seeked to.
RefPtr<MediaRawData> sample;
do {
sample = GetNextSample();
if (!sample) {
return SeekPromise::CreateAndReject(NS_ERROR_DOM_MEDIA_END_OF_STREAM,
__func__);
}
if (!sample->Size()) {
// This sample can't be decoded, continue searching.
continue;
}
if (sample->mKeyframe) {
mQueuedSample = sample;
seekTime = mQueuedSample->mTime;
}
} while (!mQueuedSample);
SetNextKeyFrameTime();
return SeekPromise::CreateAndResolve(seekTime, __func__);
}
int TickDelta::ToMilliseconds() const
{
if (*this == Infinite())
{
return _I32_MAX;
}
int64 nTickUs = ToMicroseconds();
int64 lnRound = 500;
if (nTickUs < 0)
{
lnRound = -500;
}
int64 lnDelta = (nTickUs + lnRound) / ((int64) 1000);
AssertMsg((lnDelta <= INT_MAX) && (lnDelta >= INT_MIN), "Ensure no overflow");
return (int) lnDelta;
}
// ////////////////////////////////////////////////////////////////////////////
unsigned long long TimeVal::ToTicks() const
{
return(ToMicroseconds());
}
