1 /*
2 * Copyright (C) 2011 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 /*
18 * Contains implementation of a class EmulatedFakeCamera that encapsulates
19 * functionality of a fake camera.
20 */
21
22 #define LOG_NDEBUG 0
23 #define LOG_TAG "EmulatedCamera_FakeCamera"
24 #include <log/log.h>
25 #include <cutils/properties.h>
26 #include "EmulatedFakeCamera.h"
27 #include "EmulatedCameraFactory.h"
28 #include "EmulatedFakeCameraDevice.h"
29 #include "EmulatedFakeRotatingCameraDevice.h"
30
31 namespace android {
32
EmulatedFakeCamera(int cameraId,bool facingBack,struct hw_module_t * module)33 EmulatedFakeCamera::EmulatedFakeCamera(int cameraId,
34 bool facingBack,
35 struct hw_module_t* module)
36 : EmulatedCamera(cameraId, module),
37 mFacingBack(facingBack),
38 mFakeCameraDevice(nullptr)
39 {
40 const char *key = "ro.kernel.qemu.camera.fake.rotating";
41 char prop[PROPERTY_VALUE_MAX];
42 if (property_get(key, prop, nullptr) > 0) {
43 mFakeCameraDevice = new EmulatedFakeRotatingCameraDevice(this);
44 } else {
45 mFakeCameraDevice = new EmulatedFakeCameraDevice(this);
46 }
47 }
48
~EmulatedFakeCamera()49 EmulatedFakeCamera::~EmulatedFakeCamera()
50 {
51 delete mFakeCameraDevice;
52 }
53
54 /****************************************************************************
55 * Public API overrides
56 ***************************************************************************/
57
Initialize()58 status_t EmulatedFakeCamera::Initialize()
59 {
60 status_t res = mFakeCameraDevice->Initialize();
61 if (res != NO_ERROR) {
62 return res;
63 }
64
65 const char* facing = mFacingBack ? EmulatedCamera::FACING_BACK :
66 EmulatedCamera::FACING_FRONT;
67
68 mParameters.set(EmulatedCamera::FACING_KEY, facing);
69 ALOGD("%s: Fake camera is facing %s", __FUNCTION__, facing);
70
71 mParameters.set(EmulatedCamera::ORIENTATION_KEY,
72 gEmulatedCameraFactory.getFakeCameraOrientation());
73 mParameters.set(CameraParameters::KEY_ROTATION,
74 gEmulatedCameraFactory.getFakeCameraOrientation());
75
76 res = EmulatedCamera::Initialize();
77 if (res != NO_ERROR) {
78 return res;
79 }
80
81 /*
82 * Parameters provided by the camera device.
83 */
84
85 /* 352x288, 320x240 and 176x144 frame dimensions are required by
86 * the framework for video mode preview and video recording. */
87 mParameters.set(CameraParameters::KEY_SUPPORTED_PICTURE_SIZES,
88 "1920x1080,1280x720,640x480,352x288,320x240");
89 mParameters.set(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES,
90 "1920x1080,1280x720,640x480,352x288,320x240,176x144");
91 mParameters.set(CameraParameters::KEY_SUPPORTED_VIDEO_SIZES,
92 "1920x1080,1280x720,640x480,352x288,320x240,176x144");
93 mParameters.set(CameraParameters::KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO,
94 "1920x1080");
95
96 mParameters.setPreviewSize(1920, 1080);
97 mParameters.setPictureSize(1920, 1080);
98
99 return NO_ERROR;
100 }
101
getCameraDevice()102 EmulatedCameraDevice* EmulatedFakeCamera::getCameraDevice()
103 {
104 return mFakeCameraDevice;
105 }
106
107 }; /* namespace android */
108