--- /dev/null
+/*
+ * Copyright (C) 2011 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 HW_EMULATOR_CAMERA_EMULATED_QEMU_CAMERA_DEVICE_H
+#define HW_EMULATOR_CAMERA_EMULATED_QEMU_CAMERA_DEVICE_H
+
+/*
+ * Contains declaration of a class EmulatedQemuCameraDevice that encapsulates
+ * an emulated camera device connected to the host.
+ */
+
+#include "EmulatedCameraDevice.h"
+#include "QemuClient.h"
+
+namespace android {
+
+class EmulatedQemuCamera;
+
+/* Encapsulates an emulated camera device connected to the host.
+ */
+class EmulatedQemuCameraDevice : public EmulatedCameraDevice {
+public:
+ /* Constructs EmulatedQemuCameraDevice instance. */
+ explicit EmulatedQemuCameraDevice(EmulatedQemuCamera* camera_hal);
+
+ /* Destructs EmulatedQemuCameraDevice instance. */
+ ~EmulatedQemuCameraDevice();
+
+ /***************************************************************************
+ * Public API
+ **************************************************************************/
+
+public:
+ /* Initializes EmulatedQemuCameraDevice instance.
+ * Param:
+ * device_name - Name of the camera device connected to the host. The name
+ * that is used here must have been reported by the 'factory' camera
+ * service when it listed camera devices connected to the host.
+ * Return:
+ * NO_ERROR on success, or an appropriate error status.
+ */
+ status_t Initialize(const char* device_name);
+
+ /***************************************************************************
+ * Emulated camera device abstract interface implementation.
+ * See declarations of these methods in EmulatedCameraDevice class for
+ * information on each of these methods.
+ **************************************************************************/
+
+public:
+ /* Connects to the camera device. */
+ status_t connectDevice();
+
+ /* Disconnects from the camera device. */
+ status_t disconnectDevice();
+
+ /* Starts capturing frames from the camera device. */
+ status_t startDevice(int width, int height, uint32_t pix_fmt);
+
+ /* Stops capturing frames from the camera device. */
+ status_t stopDevice();
+
+ /***************************************************************************
+ * EmulatedCameraDevice virtual overrides
+ * See declarations of these methods in EmulatedCameraDevice class for
+ * information on each of these methods.
+ **************************************************************************/
+
+public:
+ /* Gets current preview fame into provided buffer.
+ * We override this method in order to provide preview frames cached in this
+ * object.
+ */
+ status_t getCurrentPreviewFrame(void* buffer);
+
+ /***************************************************************************
+ * Worker thread management overrides.
+ * See declarations of these methods in EmulatedCameraDevice class for
+ * information on each of these methods.
+ **************************************************************************/
+
+protected:
+ /* Implementation of the worker thread routine. */
+ bool inWorkerThread();
+
+ /***************************************************************************
+ * Qemu camera device data members
+ **************************************************************************/
+
+private:
+ /* Qemu client that is used to communicate with the 'emulated camera'
+ * service, created for this instance in the emulator. */
+ CameraQemuClient mQemuClient;
+
+ /* Name of the camera device connected to the host. */
+ String8 mDeviceName;
+
+ /* Current preview framebuffer. */
+ uint32_t* mPreviewFrame;
+
+ /* Emulated FPS (frames per second).
+ * We will emulate 50 FPS. */
+ static const int mEmulatedFPS = 50;
+};
+
+}; /* namespace android */
+
+#endif /* HW_EMULATOR_CAMERA_EMULATED_QEMU_CAMERA_DEVICE_H */