Bug 1324357 - Remove MediaDecoderReader::ForceZeroStartTime(); r=jya

MozReview-Commit-ID: Cm511lpJQ4W

--HG--
extra : rebase_source : c9d1a5a66b787ffffc221c194bb18559c006fa4b

dom/media/MediaDecoderReader.h

@@ -164,9 +164,6 @@ public:
     mIgnoreAudioOutputFormat = true;
   }
 
-  // MediaSourceReader opts out of the start-time-guessing mechanism.
-  virtual bool ForceZeroStartTime() const { return false; }
-
   // The MediaDecoderStateMachine uses various heuristics that assume that
   // raw media data is arriving sequentially from a network channel. This
   // makes sense in the <video src="foo"> case, but not for more advanced use

dom/media/MediaDecoderReaderWrapper.h

@@ -77,7 +77,6 @@ public:
   bool IsWaitForDataSupported() const { return mReader->IsWaitForDataSupported(); }
   bool IsAsync() const { return mReader->IsAsync(); }
   bool UseBufferingHeuristics() const { return mReader->UseBufferingHeuristics(); }
-  bool ForceZeroStartTime() const { return mReader->ForceZeroStartTime(); }
 
   bool VideoIsHardwareAccelerated() const {
     return mReader->VideoIsHardwareAccelerated();

dom/media/MediaFormatReader.cpp

@@ -1094,7 +1094,7 @@ MediaFormatReader::OnDemuxerInitDone(nsresult)
   // For MSE case, the start time of each track is assumed to be 0.
   // For others, we must demux the first sample to know the start time for each
   // track.
-  if (ForceZeroStartTime()) {
+  if (!mDemuxer->ShouldComputeStartTime()) {
     mAudio.mFirstDemuxedSampleTime.emplace(TimeUnit::FromMicroseconds(0));
     mVideo.mFirstDemuxedSampleTime.emplace(TimeUnit::FromMicroseconds(0));
   } else {
@@ -2634,12 +2634,6 @@ MediaFormatReader::UpdateBuffered()
   }
 }
 
-bool
-MediaFormatReader::ForceZeroStartTime() const
-{
-  return !mDemuxer->ShouldComputeStartTime();
-}
-
 layers::ImageContainer*
 MediaFormatReader::GetImageContainer()
 {

dom/media/MediaFormatReader.h

@@ -53,8 +53,6 @@ protected:
   void UpdateBuffered() override;
 
 public:
-  bool ForceZeroStartTime() const override;
-
   // For Media Resource Management
   void ReleaseResources() override;