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bug 1161402 more thread doc for MediaDataDecoder use from IsVideoAccelerated() r=cpearce

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This commit is contained in:
Karl Tomlinson 2015-05-06 16:43:52 +12:00
parent 4674ce9ac9
commit 10abc8e204
1 changed files with 7 additions and 3 deletions
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10
dom/media/fmp4/PlatformDecoderModule.h
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@ -192,8 +192,12 @@ public:
// output is determined when the MediaDataDecoder is created.
//
// Unless otherwise noted, all functions are only called on the decode task
// queue. Don't block inside these functions, unless it's explicitly noted
// that you should (like in Flush()).
// queue. An exception is the MediaDataDecoder in
// MP4Reader::IsVideoAccelerated() for which all calls (Init(),
// IsHardwareAccelerated(), and Shutdown()) are from the main thread.
//
// Don't block inside these functions, unless it's explicitly noted that you
// should (like in Flush()).
//
// Decoding is done asynchronously. Any async work can be done on the
// MediaTaskQueue passed into the PlatformDecoderModules's Create*Decoder()
@ -247,7 +251,7 @@ public:
// returned.
virtual nsresult Shutdown() = 0;
// Called from the state machine task queue.
// Called from the state machine task queue or main thread.
virtual bool IsHardwareAccelerated() const { return false; }
// ConfigurationChanged will be called to inform the video or audio decoder