camera_client: refactor Camera/ProCamera commonalities into BasicCamera
Change-Id: Ie10a4094522d49683657665fe94ab0b7ccd280e9
diff --git a/include/camera/CameraBase.h b/include/camera/CameraBase.h
new file mode 100644
index 0000000..fed28ea
--- /dev/null
+++ b/include/camera/CameraBase.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_CAMERA_BASE_H
+#define ANDROID_HARDWARE_CAMERA_BASE_H
+
+#include <utils/Mutex.h>
+#include <camera/ICameraService.h>
+
+struct camera_frame_metadata;
+
+namespace android {
+
+struct CameraInfo {
+ /**
+ * The direction that the camera faces to. It should be CAMERA_FACING_BACK
+ * or CAMERA_FACING_FRONT.
+ */
+ int facing;
+
+ /**
+ * The orientation of the camera image. The value is the angle that the
+ * camera image needs to be rotated clockwise so it shows correctly on the
+ * display in its natural orientation. It should be 0, 90, 180, or 270.
+ *
+ * For example, suppose a device has a naturally tall screen. The
+ * back-facing camera sensor is mounted in landscape. You are looking at
+ * the screen. If the top side of the camera sensor is aligned with the
+ * right edge of the screen in natural orientation, the value should be
+ * 90. If the top side of a front-facing camera sensor is aligned with the
+ * right of the screen, the value should be 270.
+ */
+ int orientation;
+};
+
+template <typename TCam>
+struct CameraTraits {
+};
+
+template <typename TCam, typename TCamTraits = CameraTraits<TCam> >
+class CameraBase : public IBinder::DeathRecipient
+{
+public:
+ typedef typename TCamTraits::TCamListener TCamListener;
+ typedef typename TCamTraits::TCamUser TCamUser;
+ typedef typename TCamTraits::TCamCallbacks TCamCallbacks;
+
+ static sp<TCam> connect(int cameraId,
+ const String16& clientPackageName,
+ int clientUid);
+ virtual void disconnect();
+
+ void setListener(const sp<TCamListener>& listener);
+
+ static int getNumberOfCameras();
+
+ static status_t getCameraInfo(int cameraId,
+ /*out*/
+ struct CameraInfo* cameraInfo);
+
+ sp<TCamUser> remote();
+
+ // Status is set to 'UNKNOWN_ERROR' after successful (re)connection
+ status_t getStatus();
+
+protected:
+ CameraBase(int cameraId);
+ virtual ~CameraBase();
+
+ ////////////////////////////////////////////////////////
+ // TCamCallbacks implementation
+ ////////////////////////////////////////////////////////
+ virtual void notifyCallback(int32_t msgType, int32_t ext,
+ int32_t ext2);
+ virtual void dataCallback(int32_t msgType,
+ const sp<IMemory>& dataPtr,
+ camera_frame_metadata *metadata);
+ bool dataCallbackTimestamp(nsecs_t timestamp,
+ int32_t msgType,
+ const sp<IMemory>& dataPtr);
+
+ ////////////////////////////////////////////////////////
+ // Common instance variables
+ ////////////////////////////////////////////////////////
+ Mutex mLock;
+
+ virtual void binderDied(const wp<IBinder>& who);
+
+ // helper function to obtain camera service handle
+ static const sp<ICameraService>& getCameraService();
+
+ sp<TCamUser> mCamera;
+ status_t mStatus;
+
+ sp<TCamListener> mListener;
+
+ const int mCameraId;
+
+ typedef CameraBase<TCam> CameraBaseT;
+};
+
+}; // namespace android
+
+#endif