зеркало из https://github.com/mozilla/gecko-dev.git
132 строки
4.7 KiB
C++
132 строки
4.7 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_GONKCAMERAHWMGR_H
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#define DOM_CAMERA_GONKCAMERAHWMGR_H
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#include <binder/IMemory.h>
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#include <camera/Camera.h>
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#include <camera/CameraParameters.h>
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#include <utils/threads.h>
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#include "GonkCameraControl.h"
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#include "CameraCommon.h"
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#include "GonkCameraListener.h"
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#include "GonkNativeWindow.h"
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#include "GonkCameraParameters.h"
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#include "mozilla/ReentrantMonitor.h"
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namespace mozilla {
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class nsGonkCameraControl;
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class GonkCameraParameters;
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}
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namespace android {
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class GonkCameraHardware : public GonkNativeWindowNewFrameCallback
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, public CameraListener
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{
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protected:
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GonkCameraHardware(mozilla::nsGonkCameraControl* aTarget, uint32_t aCameraId, const sp<Camera>& aCamera);
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virtual ~GonkCameraHardware();
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// Initialize the AOSP camera interface.
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//
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// Return values:
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// - NS_OK on success;
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// - NS_ERROR_NOT_INITIALIZED if the interface could not be initialized.
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virtual nsresult Init();
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public:
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static sp<GonkCameraHardware> Connect(mozilla::nsGonkCameraControl* aTarget, uint32_t aCameraId);
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virtual void Close();
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// derived from GonkNativeWindowNewFrameCallback
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virtual void OnNewFrame() MOZ_OVERRIDE;
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// derived from CameraListener
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virtual void notify(int32_t aMsgType, int32_t ext1, int32_t ext2);
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virtual void postData(int32_t aMsgType, const sp<IMemory>& aDataPtr, camera_frame_metadata_t* metadata);
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virtual void postDataTimestamp(nsecs_t aTimestamp, int32_t aMsgType, const sp<IMemory>& aDataPtr);
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/**
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* The physical orientation of the camera sensor: 0, 90, 180, or 270.
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*
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* For example, suppose a device has a naturally tall screen. The
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* back-facing camera sensor is mounted in landscape. You are looking at
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* the screen. If the top side of the camera sensor is aligned with the
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* right edge of the screen in natural orientation, the value should be
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* 90. If the top side of a front-facing camera sensor is aligned with the
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* right of the screen, the value should be 270.
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*
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* RAW_SENSOR_ORIENTATION is the uncorrected orientation returned directly
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* by get_camera_info(); OFFSET_SENSOR_ORIENTATION is the offset adjusted
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* orientation.
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*/
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enum {
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RAW_SENSOR_ORIENTATION,
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OFFSET_SENSOR_ORIENTATION
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};
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virtual int GetSensorOrientation(uint32_t aType = RAW_SENSOR_ORIENTATION);
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/**
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* MIN_UNDEQUEUED_BUFFERS has increased to 4 since Android JB. For FFOS, more
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* than 3 gralloc buffers are necessary between ImageHost and GonkBufferQueue
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* for consuming preview stream. To keep the stability for older platform, we
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* set MIN_UNDEQUEUED_BUFFERS to 4 only in Android KK base.
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* See also bug 988704.
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*/
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enum { MIN_UNDEQUEUED_BUFFERS = 4};
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virtual int AutoFocus();
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virtual int CancelAutoFocus();
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virtual int StartFaceDetection();
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virtual int StopFaceDetection();
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virtual int TakePicture();
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virtual void CancelTakePicture();
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virtual int StartPreview();
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virtual void StopPreview();
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virtual int PushParameters(const mozilla::GonkCameraParameters& aParams);
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virtual int PushParameters(const CameraParameters& aParams);
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virtual nsresult PullParameters(mozilla::GonkCameraParameters& aParams);
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virtual void PullParameters(CameraParameters& aParams);
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virtual int StartRecording();
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virtual int StopRecording();
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virtual int SetListener(const sp<GonkCameraListener>& aListener);
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virtual void ReleaseRecordingFrame(const sp<IMemory>& aFrame);
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virtual int StoreMetaDataInBuffers(bool aEnabled);
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protected:
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uint32_t mCameraId;
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bool mClosing;
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uint32_t mNumFrames;
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sp<Camera> mCamera;
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mozilla::nsGonkCameraControl* mTarget;
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sp<GonkNativeWindow> mNativeWindow;
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sp<GonkCameraListener> mListener;
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int mRawSensorOrientation;
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int mSensorOrientation;
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private:
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GonkCameraHardware(const GonkCameraHardware&) MOZ_DELETE;
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GonkCameraHardware& operator=(const GonkCameraHardware&) MOZ_DELETE;
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};
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} // namespace android
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#endif // GONK_IMPL_HW_MGR_H
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