1/*
2 * Copyright (C) 2013 The Android Open Source Project
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 CAMERA_HAL_H_
18#define CAMERA_HAL_H_
19
20#include <cutils/bitops.h>
21#include <hardware/hardware.h>
22#include <hardware/camera_common.h>
23#include "Camera.h"
24
25namespace default_camera_hal {
26// CameraHAL contains all module state that isn't specific to an individual
27// camera device.
28class CameraHAL {
29    public:
30        CameraHAL(int num_cameras);
31        ~CameraHAL();
32
33        // Camera Module Interface (see <hardware/camera_common.h>)
34        int getNumberOfCameras();
35        int getCameraInfo(int camera_id, struct camera_info *info);
36        int setCallbacks(const camera_module_callbacks_t *callbacks);
37
38        // Hardware Module Interface (see <hardware/hardware.h>)
39        int open(const hw_module_t* mod, const char* name, hw_device_t** dev);
40
41    private:
42        // Number of cameras
43        const int mNumberOfCameras;
44        // Callback handle
45        const camera_module_callbacks_t *mCallbacks;
46        // Array of camera devices, contains mNumberOfCameras device pointers
47        Camera **mCameras;
48};
49} // namespace default_camera_hal
50
51#endif // CAMERA_HAL_H_
52