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Bug 904617: Part 2 - Expose Audio Stream Latency r=padenot,jesup

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This commit is contained in:
Paul Adenot 2013-09-16 03:26:04 -04:00
parent 33610c2195
commit b435bed8ae
1 changed files with 12 additions and 0 deletions
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12
content/media/AudioStream.cpp
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@ -322,6 +322,7 @@ class BufferedAudioStream : public AudioStream
int64_t GetPosition();
int64_t GetPositionInFrames();
int64_t GetPositionInFramesInternal();
int64_t GetLatencyInFrames();
bool IsPaused();
// This method acquires the monitor and forward the call to the base
// class, to prevent a race on |mTimeStretcher|, in
@ -775,6 +776,17 @@ BufferedAudioStream::GetPositionInFramesUnlocked()
return std::min<uint64_t>(adjustedPosition, INT64_MAX);
}
int64_t
BufferedAudioStream::GetLatencyInFrames()
{
uint32_t latency;
if(cubeb_stream_get_latency(mCubebStream, &latency)) {
NS_WARNING("Could not get cubeb latency.");
return 0;
}
return static_cast<int64_t>(latency);
}
bool
BufferedAudioStream::IsPaused()
{