camera/EmulatedQemuCamera.h

/*
 * 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_H
#define HW_EMULATOR_CAMERA_EMULATED_QEMU_CAMERA_H

/*
 * Contains declaration of a class EmulatedQemuCamera that encapsulates
 * functionality of an emulated camera connected to the host.
 */

#include "EmulatedCamera.h"
#include "EmulatedQemuCameraDevice.h"
#include <ui/GraphicBufferMapper.h>

namespace android {

/* Encapsulates functionality of an emulated camera connected to the host.
 */
class EmulatedQemuCamera : public EmulatedCamera {
public:
    /* Constructs EmulatedQemuCamera instance. */
    EmulatedQemuCamera(int cameraId, struct hw_module_t* module,
                       GraphicBufferMapper* gbm);

    /* Destructs EmulatedQemuCamera instance. */
    ~EmulatedQemuCamera();

    /***************************************************************************
     * EmulatedCamera virtual overrides.
     **************************************************************************/

public:
    /* Initializes EmulatedQemuCamera instance. */
     status_t Initialize(const char* device_name,
                         const char* frame_dims,
                         const char* facing_dir);

    /***************************************************************************
     * EmulatedCamera abstract API implementation.
     **************************************************************************/

protected:
    /* Gets emulated camera device ised by this instance of the emulated camera.
     */
    EmulatedCameraDevice* getCameraDevice();

    /***************************************************************************
     * Data memebers.
     **************************************************************************/

protected:
    /* Contained qemu camera device object. */
    EmulatedQemuCameraDevice    mQemuCameraDevice;

    /* Supported frame dimensions reported by the camera device. */
    String8                     mFrameDims;

private:
    using EmulatedCamera::Initialize;
};

}; /* namespace android */

#endif  /* HW_EMULATOR_CAMERA_EMULATED_QEMU_CAMERA_H */