services/camera/libcameraservice/Camera2Client.h

/*
 * Copyright (C) 2012 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_SERVERS_CAMERA_CAMERA2CLIENT_H
#define ANDROID_SERVERS_CAMERA_CAMERA2CLIENT_H

#include "Camera2Device.h"
#include "CameraService.h"
#include "camera/CameraParameters.h"

namespace android {

/**
 * Implements the android.hardware.camera API on top of
 * camera device HAL version 2.
 */
class Camera2Client : public CameraService::Client
{
public:
    // ICamera interface (see ICamera for details)
    virtual void            disconnect();
    virtual status_t        connect(const sp<ICameraClient>& client);
    virtual status_t        lock();
    virtual status_t        unlock();
    virtual status_t        setPreviewDisplay(const sp<Surface>& surface);
    virtual status_t        setPreviewTexture(const sp<ISurfaceTexture>& surfaceTexture);
    virtual void            setPreviewCallbackFlag(int flag);
    virtual status_t        startPreview();
    virtual void            stopPreview();
    virtual bool            previewEnabled();
    virtual status_t        storeMetaDataInBuffers(bool enabled);
    virtual status_t        startRecording();
    virtual void            stopRecording();
    virtual bool            recordingEnabled();
    virtual void            releaseRecordingFrame(const sp<IMemory>& mem);
    virtual status_t        autoFocus();
    virtual status_t        cancelAutoFocus();
    virtual status_t        takePicture(int msgType);
    virtual status_t        setParameters(const String8& params);
    virtual String8         getParameters() const;
    virtual status_t        sendCommand(int32_t cmd, int32_t arg1, int32_t arg2);

    // Interface used by CameraService
    Camera2Client(const sp<CameraService>& cameraService,
            const sp<ICameraClient>& cameraClient,
            int cameraId,
            int cameraFacing,
            int clientPid);
    ~Camera2Client();

    status_t initialize(camera_module_t *module);

    virtual status_t dump(int fd, const Vector<String16>& args);

private:
    CameraParameters *mParams;
    sp<Camera2Device> mDevice;

    // Convert static camera info from a camera2 device to the
    // old API parameter map.
    status_t buildDefaultParameters();

    // Free parameters for mapping from new to old HAL
    static const unsigned int kNumZoomSteps = 10;
};

}; // namespace android

#endif