void
MediaSource::GetBuffered(TimeRanges* aBuffered)
{
MOZ_ASSERT(aBuffered->Length() == 0);
if (mActiveSourceBuffers->IsEmpty()) {
return;
}
double highestEndTime = 0;
nsTArray<nsRefPtr<TimeRanges>> activeRanges;
for (uint32_t i = 0; i < mActiveSourceBuffers->Length(); ++i) {
bool found;
SourceBuffer* sourceBuffer = mActiveSourceBuffers->IndexedGetter(i, found);
ErrorResult dummy;
*activeRanges.AppendElement() = sourceBuffer->GetBuffered(dummy);
highestEndTime = std::max(highestEndTime, activeRanges.LastElement()->GetEndTime());
}
TimeRanges* intersectionRanges = aBuffered;
intersectionRanges->Add(0, highestEndTime);
for (uint32_t i = 0; i < activeRanges.Length(); ++i) {
TimeRanges* sourceRanges = activeRanges[i];
if (mReadyState == MediaSourceReadyState::Ended) {
// Set the end time on the last range to highestEndTime by adding a
// new range spanning the current end time to highestEndTime, which
// Normalize() will then merge with the old last range.
sourceRanges->Add(sourceRanges->GetEndTime(), highestEndTime);
sourceRanges->Normalize();
}
intersectionRanges->Intersection(sourceRanges);
}
MSE_DEBUG("MediaSource(%p)::GetBuffered ranges=%s", this, DumpTimeRanges(intersectionRanges).get());
}
nsresult
MediaSourceReader::GetBuffered(dom::TimeRanges* aBuffered)
{
ReentrantMonitorAutoEnter mon(mDecoder->GetReentrantMonitor());
MOZ_ASSERT(aBuffered->Length() == 0);
if (mTrackBuffers.IsEmpty()) {
return NS_OK;
}
double highestEndTime = 0;
nsTArray<nsRefPtr<TimeRanges>> activeRanges;
for (uint32_t i = 0; i < mTrackBuffers.Length(); ++i) {
nsRefPtr<TimeRanges> r = new TimeRanges();
mTrackBuffers[i]->Buffered(r);
activeRanges.AppendElement(r);
highestEndTime = std::max(highestEndTime, activeRanges.LastElement()->GetEndTime());
}
TimeRanges* intersectionRanges = aBuffered;
intersectionRanges->Add(0, highestEndTime);
for (uint32_t i = 0; i < activeRanges.Length(); ++i) {
TimeRanges* sourceRanges = activeRanges[i];
if (IsEnded()) {
// Set the end time on the last range to highestEndTime by adding a
// new range spanning the current end time to highestEndTime, which
// Normalize() will then merge with the old last range.
sourceRanges->Add(sourceRanges->GetEndTime(), highestEndTime);
sourceRanges->Normalize();
}
intersectionRanges->Intersection(sourceRanges);
}
MSE_DEBUG("ranges=%s", DumpTimeRanges(intersectionRanges).get());
return NS_OK;
}