dom/camera/GonkCameraControl.h

   1 /*
   2  * Copyright (C) 2012 Mozilla Foundation
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #ifndef DOM_CAMERA_GONKCAMERACONTROL_H
  18 #define DOM_CAMERA_GONKCAMERACONTROL_H
  19
  20 #include "base/basictypes.h"
  21 #include "prrwlock.h"
  22 #include <media/MediaProfiles.h>
  23 #include "nsIDOMCameraManager.h"
  24 #include "DOMCameraControl.h"
  25 #include "CameraControlImpl.h"
  26 #include "CameraCommon.h"
  27 #include "GonkRecorder.h"
  28
  29
  30 namespace mozilla {
  31
  32 namespace layers {
  33 class GraphicBufferLocked;
  34 }
  35
  36 class GonkRecorderProfile;
  37 class GonkRecorderProfileManager;
  38
  39 class nsGonkCameraControl : public CameraControlImpl
  40 {
  41 public:
  42   nsGonkCameraControl(uint32_t aCameraId, nsIThread* aCameraThread, nsDOMCameraControl* aDOMCameraControl, nsICameraGetCameraCallback* onSuccess, nsICameraErrorCallback* onError, uint64_t aWindowId);
  43   nsresult Init();
  44
  45   const char* GetParameter(const char* aKey);
  46   const char* GetParameterConstChar(uint32_t aKey);
  47   double GetParameterDouble(uint32_t aKey);
  48   void GetParameter(uint32_t aKey, nsTArray<dom::CameraRegion>& aRegions);
  49   void GetParameter(uint32_t aKey, nsTArray<dom::CameraSize>& aSizes);
  50   void SetParameter(const char* aKey, const char* aValue);
  51   void SetParameter(uint32_t aKey, const char* aValue);
  52   void SetParameter(uint32_t aKey, double aValue);
  53   void SetParameter(uint32_t aKey, const nsTArray<dom::CameraRegion>& aRegions);
  54   void SetParameter(uint32_t aKey, int aValue);
  55   nsresult GetVideoSizes(nsTArray<dom::CameraSize>& aVideoSizes);
  56   nsresult PushParameters();
  57
  58   nsresult SetupRecording(int aFd, int aRotation, int64_t aMaxFileSizeBytes, int64_t aMaxVideoLengthMs);
  59   nsresult SetupVideoMode(const nsAString& aProfile);
  60
  61   void AutoFocusComplete(bool aSuccess);
  62   void TakePictureComplete(uint8_t* aData, uint32_t aLength);
  63   void HandleRecorderEvent(int msg, int ext1, int ext2);
  64
  65 protected:
  66   ~nsGonkCameraControl();
  67
  68   nsresult GetPreviewStreamImpl(GetPreviewStreamTask* aGetPreviewStream);
  69   nsresult StartPreviewImpl(StartPreviewTask* aStartPreview);
  70   nsresult StopPreviewImpl(StopPreviewTask* aStopPreview);
  71   nsresult StopPreviewInternal(bool aForced = false);
  72   nsresult AutoFocusImpl(AutoFocusTask* aAutoFocus);
  73   nsresult TakePictureImpl(TakePictureTask* aTakePicture);
  74   nsresult StartRecordingImpl(StartRecordingTask* aStartRecording);
  75   nsresult StopRecordingImpl(StopRecordingTask* aStopRecording);
  76   nsresult PushParametersImpl();
  77   nsresult PullParametersImpl();
  78   nsresult GetPreviewStreamVideoModeImpl(GetPreviewStreamVideoModeTask* aGetPreviewStreamVideoMode);
  79   already_AddRefed<RecorderProfileManager> GetRecorderProfileManagerImpl();
  80   already_AddRefed<GonkRecorderProfileManager> GetGonkRecorderProfileManager();
  81
  82   void SetPreviewSize(uint32_t aWidth, uint32_t aHeight);
  83   void SetupThumbnail(uint32_t aPictureWidth, uint32_t aPictureHeight, uint32_t aPercentQuality);
  84
  85   uint32_t                  mHwHandle;
  86   double                    mExposureCompensationMin;
  87   double                    mExposureCompensationStep;
  88   bool                      mDeferConfigUpdate;
  89   PRRWLock*                 mRwLock;
  90   android::CameraParameters mParams;
  91   uint32_t                  mWidth;
  92   uint32_t                  mHeight;
  93   uint32_t                  mLastPictureWidth;
  94   uint32_t                  mLastPictureHeight;
  95
  96   enum {
  97     PREVIEW_FORMAT_UNKNOWN,
  98     PREVIEW_FORMAT_YUV420P,
  99     PREVIEW_FORMAT_YUV420SP
 100   };
 101   uint32_t                  mFormat;
 102
 103   uint32_t                  mFps;
 104   uint32_t                  mDiscardedFrameCount;
 105
 106   android::MediaProfiles*   mMediaProfiles;
 107   android::GonkRecorder*    mRecorder;
 108
 109   nsString                  mVideoFile;
 110
 111   // camcorder profile settings for the desired quality level
 112   nsRefPtr<GonkRecorderProfileManager> mProfileManager;
 113   nsRefPtr<GonkRecorderProfile> mRecorderProfile;
 114
 115 private:
 116   nsGonkCameraControl(const nsGonkCameraControl&) MOZ_DELETE;
 117   nsGonkCameraControl& operator=(const nsGonkCameraControl&) MOZ_DELETE;
 118 };
 119
 120 // camera driver callbacks
 121 void ReceiveImage(nsGonkCameraControl* gc, uint8_t* aData, uint32_t aLength);
 122 void AutoFocusComplete(nsGonkCameraControl* gc, bool aSuccess);
 123 void ReceiveFrame(nsGonkCameraControl* gc, layers::GraphicBufferLocked* aBuffer);
 124 void OnShutter(nsGonkCameraControl* gc);
 125 void OnClosed(nsGonkCameraControl* gc);
 126
 127 } // namespace mozilla
 128
 129 #endif // DOM_CAMERA_GONKCAMERACONTROL_H