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Always apply timestamp correction to OPT.

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Closes #200

Change-Id: I821d7a8336cc66593665dbc2ad794adc3fb55918
This commit is contained in:
Jacob Trimble
2015-10-09 11:51:22 -07:00
committed by Gerrit Code Review
parent 151936c6be
commit 62adcd40c1
1 changed files with 14 additions and 10 deletions
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lib/dash/live_segment_index.js
+14 -10
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@@ -255,23 +255,27 @@ shaka.dash.LiveSegmentIndex.prototype.correct = function(timestampCorrection) {
var delta = shaka.media.SegmentIndex.prototype.correct.call(
this, timestampCorrection);
var max = Math.min.apply(null,
this.references
.filter(function(a) { return a.endTime != null; })
.map(function(a) { return a.endTime - a.startTime; }));
if (Math.abs(delta) > max) {
// A timestamp correction should be less than the duration of any one
// segment in the stream.
shaka.log.warning(
'Timestamp correction (' + timestampCorrection + ')',
'is unreasonably large for live content.',
'The content may have errors in it.');
}
if (this.originalPresentationTime_ != null) {
shaka.asserts.assert(this.originalLiveEdge_ != null);
shaka.asserts.assert(this.seekStartTime_ != null);
this.originalLiveEdge_ += delta;
this.seekStartTime_ += delta;
this.originalPresentationTime_ += delta;
if (this.originalLiveEdge_ > this.originalPresentationTime_) {
// A timestamp correction should be less than the duration of any one
// segment in the stream. So, the live-edge should not surpass the
// current presentation time, but if it does then try to recover.
shaka.log.warning(
'Timestamp correction (' + timestampCorrection + ')',
'is unreasonably large for live content.',
'The content may have errors in it.');
this.originalPresentationTime_ += delta;
}
shaka.asserts.assert(this.originalLiveEdge_ <=
this.originalPresentationTime_);
}