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 <system/camera_vendor_tags.h>
24#include "Camera.h"
25#include "VendorTags.h"
26
27namespace default_camera_hal {
28// CameraHAL contains all module state that isn't specific to an individual
29// camera device.
30class CameraHAL {
31    public:
32        explicit CameraHAL(int num_cameras);
33        ~CameraHAL();
34
35        // Camera Module Interface (see <hardware/camera_common.h>)
36        int getNumberOfCameras();
37        int getCameraInfo(int camera_id, struct camera_info *info);
38        int setCallbacks(const camera_module_callbacks_t *callbacks);
39        void getVendorTagOps(vendor_tag_ops_t* ops);
40
41        // Hardware Module Interface (see <hardware/hardware.h>)
42        int open(const hw_module_t* mod, const char* name, hw_device_t** dev);
43
44    private:
45        // Number of cameras
46        const int mNumberOfCameras;
47        // Callback handle
48        const camera_module_callbacks_t *mCallbacks;
49        // Array of camera devices, contains mNumberOfCameras device pointers
50        Camera **mCameras;
51};
52} // namespace default_camera_hal
53
54#endif // CAMERA_HAL_H_
55