зеркало из https://github.com/mozilla/gecko-dev.git
241 строка
9.2 KiB
C++
241 строка
9.2 KiB
C++
/*
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* Copyright (C) 2012-2014 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef DOM_CAMERA_GONKCAMERACONTROL_H
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#define DOM_CAMERA_GONKCAMERACONTROL_H
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#include "base/basictypes.h"
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#include "nsRefPtrHashtable.h"
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#include "mozilla/ReentrantMonitor.h"
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#include "DeviceStorage.h"
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#include "CameraControlImpl.h"
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#include "CameraCommon.h"
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#include "GonkCameraHwMgr.h"
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#include "GonkCameraParameters.h"
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#ifdef MOZ_WIDGET_GONK
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#include <media/MediaProfiles.h>
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#include <camera/Camera.h>
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#include "GonkRecorder.h"
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#else
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#include "FallbackCameraPlatform.h"
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#endif
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class nsITimer;
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namespace android {
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class GonkCameraHardware;
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class GonkRecorder;
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class GonkCameraSource;
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}
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namespace mozilla {
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namespace layers {
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class TextureClient;
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class ImageContainer;
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class Image;
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}
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class nsGonkCameraControl : public CameraControlImpl
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{
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public:
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nsGonkCameraControl(uint32_t aCameraId);
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void OnAutoFocusMoving(bool aIsMoving);
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void OnAutoFocusComplete(bool aSuccess, bool aExpired);
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void OnFacesDetected(camera_frame_metadata_t* aMetaData);
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void OnTakePictureComplete(uint8_t* aData, uint32_t aLength);
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void OnTakePictureError();
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void OnRateLimitPreview(bool aLimit);
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void OnPoster(void* aData, uint32_t aLength);
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void OnNewPreviewFrame(layers::TextureClient* aBuffer);
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#ifdef MOZ_WIDGET_GONK
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void OnRecorderEvent(int msg, int ext1, int ext2);
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#endif
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void OnSystemError(CameraControlListener::SystemContext aWhere, nsresult aError);
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// See ICameraControl.h for getter/setter return values.
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virtual nsresult Set(uint32_t aKey, const nsAString& aValue) override;
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virtual nsresult Get(uint32_t aKey, nsAString& aValue) override;
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virtual nsresult Set(uint32_t aKey, double aValue) override;
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virtual nsresult Get(uint32_t aKey, double& aValue) override;
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virtual nsresult Set(uint32_t aKey, int32_t aValue) override;
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virtual nsresult Get(uint32_t aKey, int32_t& aValue) override;
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virtual nsresult Set(uint32_t aKey, int64_t aValue) override;
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virtual nsresult Get(uint32_t aKey, int64_t& aValue) override;
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virtual nsresult Set(uint32_t aKey, bool aValue) override;
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virtual nsresult Get(uint32_t aKey, bool& aValue) override;
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virtual nsresult Set(uint32_t aKey, const Size& aValue) override;
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virtual nsresult Get(uint32_t aKey, Size& aValue) override;
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virtual nsresult Set(uint32_t aKey, const nsTArray<Region>& aRegions) override;
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virtual nsresult Get(uint32_t aKey, nsTArray<Region>& aRegions) override;
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virtual nsresult SetLocation(const Position& aLocation) override;
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virtual nsresult Get(uint32_t aKey, nsTArray<Size>& aSizes) override;
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virtual nsresult Get(uint32_t aKey, nsTArray<nsString>& aValues) override;
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virtual nsresult Get(uint32_t aKey, nsTArray<double>& aValues) override;
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virtual nsresult GetRecorderProfiles(nsTArray<nsString>& aProfiles) override;
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virtual ICameraControl::RecorderProfile*
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GetProfileInfo(const nsAString& aProfile) override;
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nsresult PushParameters();
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nsresult PullParameters();
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protected:
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~nsGonkCameraControl();
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using CameraControlImpl::OnRateLimitPreview;
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using CameraControlImpl::OnNewPreviewFrame;
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using CameraControlImpl::OnAutoFocusComplete;
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using CameraControlImpl::OnFacesDetected;
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using CameraControlImpl::OnTakePictureComplete;
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using CameraControlImpl::OnConfigurationChange;
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using CameraControlImpl::OnUserError;
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typedef nsTArray<Size>::index_type SizeIndex;
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virtual void BeginBatchParameterSet() override;
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virtual void EndBatchParameterSet() override;
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nsresult Initialize();
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nsresult ValidateConfiguration(const Configuration& aConfig, Configuration& aValidatedConfig);
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nsresult SetConfigurationInternal(const Configuration& aConfig);
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nsresult SetPictureConfiguration(const Configuration& aConfig);
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nsresult SetVideoConfiguration(const Configuration& aConfig);
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nsresult StartInternal(const Configuration* aInitialConfig);
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nsresult StartPreviewInternal();
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nsresult StopInternal();
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template<class T> nsresult SetAndPush(uint32_t aKey, const T& aValue);
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// See CameraControlImpl.h for these methods' return values.
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virtual nsresult StartImpl(const Configuration* aInitialConfig = nullptr) override;
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virtual nsresult SetConfigurationImpl(const Configuration& aConfig) override;
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virtual nsresult StopImpl() override;
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virtual nsresult StartPreviewImpl() override;
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virtual nsresult StopPreviewImpl() override;
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virtual nsresult AutoFocusImpl() override;
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virtual nsresult StartFaceDetectionImpl() override;
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virtual nsresult StopFaceDetectionImpl() override;
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virtual nsresult TakePictureImpl() override;
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virtual nsresult StartRecordingImpl(DeviceStorageFileDescriptor* aFileDescriptor,
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const StartRecordingOptions* aOptions = nullptr) override;
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virtual nsresult StopRecordingImpl() override;
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virtual nsresult PauseRecordingImpl() override;
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virtual nsresult ResumeRecordingImpl() override;
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virtual nsresult ResumeContinuousFocusImpl() override;
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virtual nsresult PushParametersImpl() override;
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virtual nsresult PullParametersImpl() override;
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nsresult SetupRecording(int aFd, int aRotation, uint64_t aMaxFileSizeBytes,
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uint64_t aMaxVideoLengthMs);
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nsresult SetupRecordingFlash(bool aAutoEnableLowLightTorch);
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nsresult SelectCaptureAndPreviewSize(const Size& aPreviewSize, const Size& aCaptureSize,
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const Size& aMaxSize, uint32_t aCaptureSizeKey);
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nsresult MaybeAdjustVideoSize();
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nsresult PausePreview();
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nsresult GetSupportedSize(const Size& aSize, const nsTArray<Size>& supportedSizes, Size& best);
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void CreatePoster(layers::Image* aImage, uint32_t aWidth, uint32_t aHeight, int32_t aRotation);
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nsresult LoadRecorderProfiles();
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static PLDHashOperator Enumerate(const nsAString& aProfileName,
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RecorderProfile* aProfile,
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void* aUserArg);
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friend class SetPictureSize;
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friend class SetThumbnailSize;
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nsresult SetPictureSize(const Size& aSize);
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nsresult SetPictureSizeImpl(const Size& aSize);
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nsresult SetThumbnailSize(const Size& aSize);
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nsresult UpdateThumbnailSize();
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nsresult SetThumbnailSizeImpl(const Size& aSize);
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friend class android::GonkCameraSource;
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android::sp<android::GonkCameraHardware> GetCameraHw();
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int32_t RationalizeRotation(int32_t aRotation);
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uint32_t mCameraId;
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android::sp<android::GonkCameraHardware> mCameraHw;
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Size mLastThumbnailSize;
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Size mLastRecorderSize;
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Size mRequestedPreviewSize;
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uint32_t mPreviewFps;
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bool mResumePreviewAfterTakingPicture;
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bool mFlashSupported;
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bool mLuminanceSupported;
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bool mAutoFlashModeOverridden;
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bool mSeparateVideoAndPreviewSizesSupported;
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Atomic<uint32_t> mDeferConfigUpdate;
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GonkCameraParameters mParams;
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RefPtr<mozilla::layers::ImageContainer> mImageContainer;
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#ifdef MOZ_WIDGET_GONK
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RefPtr<android::GonkRecorder> mRecorder;
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#endif
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// Touching mRecorder happens inside this monitor because the destructor
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// can run on any thread, and we need to be able to clean up properly if
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// GonkCameraControl goes away.
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ReentrantMonitor mRecorderMonitor;
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// Supported recorder profiles
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nsRefPtrHashtable<nsStringHashKey, RecorderProfile> mRecorderProfiles;
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RefPtr<DeviceStorageFile> mVideoFile;
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nsString mFileFormat;
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Atomic<bool> mCapturePoster;
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int32_t mVideoRotation;
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bool mAutoFocusPending;
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nsCOMPtr<nsITimer> mAutoFocusCompleteTimer;
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int32_t mAutoFocusCompleteExpired;
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uint32_t mPrevFacesDetected;
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// Guards against calling StartPreviewImpl() while in OnTakePictureComplete().
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ReentrantMonitor mReentrantMonitor;
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private:
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nsGonkCameraControl(const nsGonkCameraControl&) = delete;
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nsGonkCameraControl& operator=(const nsGonkCameraControl&) = delete;
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};
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// camera driver callbacks
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void OnRateLimitPreview(nsGonkCameraControl* gc, bool aLimit);
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void OnTakePictureComplete(nsGonkCameraControl* gc, uint8_t* aData, uint32_t aLength);
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void OnTakePictureError(nsGonkCameraControl* gc);
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void OnAutoFocusComplete(nsGonkCameraControl* gc, bool aSuccess);
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void OnAutoFocusMoving(nsGonkCameraControl* gc, bool aIsMoving);
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void OnFacesDetected(nsGonkCameraControl* gc, camera_frame_metadata_t* aMetaData);
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void OnNewPreviewFrame(nsGonkCameraControl* gc, layers::TextureClient* aBuffer);
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void OnShutter(nsGonkCameraControl* gc);
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void OnSystemError(nsGonkCameraControl* gc,
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CameraControlListener::SystemContext aWhere,
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int32_t aArg1, int32_t aArg2);
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} // namespace mozilla
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#endif // DOM_CAMERA_GONKCAMERACONTROL_H
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