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Bug 714445: nsWebMReader should not read preferences off the main thread. r=roc

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This commit is contained in:
Kyle Huey 2012-01-01 12:10:49 -05:00
parent e7bb002491
commit dca538b319
2 changed files with 23 additions and 20 deletions
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39
content/media/webm/nsWebMReader.cpp
View File

@ -137,9 +137,12 @@ nsWebMReader::nsWebMReader(nsBuiltinDecoder* aDecoder)
mAudioStartUsec(-1),
mAudioFrames(0),
mHasVideo(false),
mHasAudio(false)
mHasAudio(false),
mForceStereoMode(0)
{
MOZ_COUNT_CTOR(nsWebMReader);
Preferences::GetInt("media.webm.force_stereo_mode", &mForceStereoMode);
}
nsWebMReader::~nsWebMReader()
@ -306,25 +309,21 @@ nsresult nsWebMReader::ReadMetadata(nsVideoInfo* aInfo)
break;
}
PRInt32 forceStereoMode;
if (NS_SUCCEEDED(Preferences::GetInt("media.webm.force_stereo_mode",
&forceStereoMode))) {
switch (forceStereoMode) {
case 1:
mInfo.mStereoMode = STEREO_MODE_LEFT_RIGHT;
break;
case 2:
mInfo.mStereoMode = STEREO_MODE_RIGHT_LEFT;
break;
case 3:
mInfo.mStereoMode = STEREO_MODE_TOP_BOTTOM;
break;
case 4:
mInfo.mStereoMode = STEREO_MODE_BOTTOM_TOP;
break;
default:
mInfo.mStereoMode = STEREO_MODE_MONO;
}
switch (mForceStereoMode) {
case 1:
mInfo.mStereoMode = STEREO_MODE_LEFT_RIGHT;
break;
case 2:
mInfo.mStereoMode = STEREO_MODE_RIGHT_LEFT;
break;
case 3:
mInfo.mStereoMode = STEREO_MODE_TOP_BOTTOM;
break;
case 4:
mInfo.mStereoMode = STEREO_MODE_BOTTOM_TOP;
break;
default:
mInfo.mStereoMode = STEREO_MODE_MONO;
}
}
else if (!mHasAudio && type == NESTEGG_TRACK_AUDIO) {

4
content/media/webm/nsWebMReader.h
View File

@ -240,6 +240,10 @@ private:
// Booleans to indicate if we have audio and/or video data
bool mHasVideo;
bool mHasAudio;
// Value of the "media.webm.force_stereo_mode" pref, which we need off the
// main thread.
PRInt32 mForceStereoMode;
};
#endif