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Bug 1003006: Move b2g camera rotation checks to MainThread r=mikeh

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This commit is contained in:
Randell Jesup 2014-05-15 19:17:40 -04:00
parent a8ec7121f2
commit 5b6c282707
2 changed files with 35 additions and 20 deletions
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6
content/media/webrtc/MediaEngineWebRTC.h
View File

@ -170,6 +170,7 @@ public:
NS_DECL_ISUPPORTS_INHERITED
void OnHardwareStateChange(HardwareState aState);
void GetRotation();
bool OnNewPreviewFrame(layers::Image* aImage, uint32_t aWidth, uint32_t aHeight);
void OnUserError(UserContext aContext, nsresult aError);
void OnTakePictureComplete(uint8_t* aData, uint32_t aLength, const nsAString& aMimeType);
@ -212,9 +213,12 @@ private:
// Engine variables.
#ifdef MOZ_B2G_CAMERA
nsRefPtr<ICameraControl> mCameraControl;
mozilla::ReentrantMonitor mCallbackMonitor; // Monitor for camera callback handling
// This is only modified on MainThread (AllocImpl and DeallocImpl)
nsRefPtr<ICameraControl> mCameraControl;
nsRefPtr<nsIDOMFile> mLastCapture;
// These are protected by mMonitor below
int mRotation;
int mCameraAngle; // See dom/base/ScreenOrientation.h
bool mBackCamera;

31
content/media/webrtc/MediaEngineWebRTCVideo.cpp
View File

@ -415,7 +415,7 @@ MediaEngineWebRTCVideoSource::Allocate(const VideoTrackConstraintsN &aConstraint
ReentrantMonitorAutoEnter sync(mCallbackMonitor);
if (mState == kReleased && mInitDone) {
ChooseCapability(aConstraints, aPrefs);
NS_DispatchToMainThread(WrapRunnable(this,
NS_DispatchToMainThread(WrapRunnable(nsRefPtr<MediaEngineWebRTCVideoSource>(this),
&MediaEngineWebRTCVideoSource::AllocImpl));
mCallbackMonitor.Wait();
if (mState != kAllocated) {
@ -459,7 +459,7 @@ MediaEngineWebRTCVideoSource::Deallocate()
#ifdef MOZ_B2G_CAMERA
// We do not register success callback here
NS_DispatchToMainThread(WrapRunnable(this,
NS_DispatchToMainThread(WrapRunnable(nsRefPtr<MediaEngineWebRTCVideoSource>(this),
&MediaEngineWebRTCVideoSource::DeallocImpl));
mCallbackMonitor.Wait();
if (mState != kReleased) {
@ -519,7 +519,7 @@ MediaEngineWebRTCVideoSource::Start(SourceMediaStream* aStream, TrackID aID)
mImageContainer = layers::LayerManager::CreateImageContainer();
#ifdef MOZ_B2G_CAMERA
NS_DispatchToMainThread(WrapRunnable(this,
NS_DispatchToMainThread(WrapRunnable(nsRefPtr<MediaEngineWebRTCVideoSource>(this),
&MediaEngineWebRTCVideoSource::StartImpl,
mCapability));
mCallbackMonitor.Wait();
@ -573,7 +573,7 @@ MediaEngineWebRTCVideoSource::Stop(SourceMediaStream *aSource, TrackID aID)
mImage = nullptr;
}
#ifdef MOZ_B2G_CAMERA
NS_DispatchToMainThread(WrapRunnable(this,
NS_DispatchToMainThread(WrapRunnable(nsRefPtr<MediaEngineWebRTCVideoSource>(this),
&MediaEngineWebRTCVideoSource::StopImpl));
#else
mViERender->StopRender(mCaptureIndex);
@ -789,11 +789,25 @@ MediaEngineWebRTCVideoSource::OnHardwareStateChange(HardwareState aState)
mCallbackMonitor.Notify();
}
} else {
// Can't read this except on MainThread (ugh)
NS_DispatchToMainThread(WrapRunnable(nsRefPtr<MediaEngineWebRTCVideoSource>(this),
&MediaEngineWebRTCVideoSource::GetRotation));
mState = kStarted;
mCallbackMonitor.Notify();
}
}
void
MediaEngineWebRTCVideoSource::GetRotation()
{
MOZ_ASSERT(NS_IsMainThread());
MonitorAutoLock enter(mMonitor);
mCameraControl->Get(CAMERA_PARAM_SENSORANGLE, mCameraAngle);
MOZ_ASSERT(mCameraAngle == 0 || mCameraAngle == 90 || mCameraAngle == 180 ||
mCameraAngle == 270);
hal::ScreenConfiguration aConfig;
hal::GetCurrentScreenConfiguration(&aConfig);
hal::ScreenConfiguration config;
hal::GetCurrentScreenConfiguration(&config);
nsCString deviceName;
ICameraControl::GetCameraName(mCaptureIndex, deviceName);
@ -801,12 +815,9 @@ MediaEngineWebRTCVideoSource::OnHardwareStateChange(HardwareState aState)
mBackCamera = true;
}
mRotation = GetRotateAmount(aConfig.orientation(), mCameraAngle, mBackCamera);
mRotation = GetRotateAmount(config.orientation(), mCameraAngle, mBackCamera);
LOG(("*** Initial orientation: %d (Camera %d Back %d MountAngle: %d)",
mRotation, mCaptureIndex, mBackCamera, mCameraAngle));
mState = kStarted;
mCallbackMonitor.Notify();
}
}
void