1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/*
** Copyright (c) 2011 The Linux Foundation. All rights reserved.
**
** 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.
*/
/*#error uncomment this for compiler test!*/
//#define ALOG_NDEBUG 0
#define ALOG_NIDEBUG 0
#define LOG_TAG "QCameraHAL"
#include <utils/Log.h>
#include <utils/threads.h>
#include <fcntl.h>
#include <sys/mman.h>
/* include QCamera Hardware Interface Header*/
#include "QCameraHAL.h"
int HAL_numOfCameras = 0;
qcamera_info_t HAL_cameraInfo[MSM_MAX_CAMERA_SENSORS];
mm_camera_t * HAL_camerahandle[MSM_MAX_CAMERA_SENSORS];
int HAL_currentCameraMode;
namespace android {
/* HAL function implementation goes here*/
/**
* The functions need to be provided by the camera HAL.
*
* If getNumberOfCameras() returns N, the valid cameraId for getCameraInfo()
* and openCameraHardware() is 0 to N-1.
*/
extern "C" int HAL_getNumberOfCameras()
{
/* try to query every time we get the call!*/
uint8_t num_camera = 0;
mm_camera_t * handle_base = 0;
ALOGV("%s: E", __func__);
handle_base= mm_camera_query(&num_camera);
if (!handle_base) {
HAL_numOfCameras = 0;
}
else
{
qcamera_info_t* p_camera_info = 0;
HAL_numOfCameras=num_camera;
ALOGI("Handle base =0x%p",handle_base);
ALOGI("getCameraInfo: numOfCameras = %d", HAL_numOfCameras);
for(int i = 0; i < HAL_numOfCameras; i++) {
ALOGI("Handle [%d]=0x%p",i,handle_base+i);
HAL_camerahandle[i]=handle_base + i;
p_camera_info = &(HAL_camerahandle[i]->camera_info);
if (p_camera_info) {
ALOGI("Camera sensor %d info:", i);
ALOGI("camera_id: %d", p_camera_info->camera_id);
ALOGI("modes_supported: %x", p_camera_info->modes_supported);
ALOGI("position: %d", p_camera_info->position);
ALOGI("sensor_mount_angle: %d", p_camera_info->sensor_mount_angle);
}
}
}
ALOGV("%s: X", __func__);
return HAL_numOfCameras;
}
extern "C" int HAL_isIn3DMode()
{
return HAL_currentCameraMode == CAMERA_MODE_3D;
}
extern "C" void HAL_getCameraInfo(int cameraId, struct CameraInfo* cameraInfo)
{
mm_camera_t *mm_camer_obj = 0;
ALOGV("%s: E", __func__);
if (!HAL_numOfCameras || HAL_numOfCameras < cameraId || !cameraInfo)
return;
else
mm_camer_obj = HAL_camerahandle[cameraId];
if (!mm_camer_obj)
return;
else {
cameraInfo->facing =
(FRONT_CAMERA == mm_camer_obj->camera_info.position)?
CAMERA_FACING_FRONT : CAMERA_FACING_BACK;
cameraInfo->orientation = mm_camer_obj->camera_info.sensor_mount_angle;
#if 0
// TODO: fix me
/* We always supprot ZSL in our stack*/
cameraInfo->mode = CAMERA_SUPPORT_MODE_ZSL;
if (mm_camer_obj->camera_info.modes_supported & CAMERA_MODE_2D) {
cameraInfo->mode |= CAMERA_SUPPORT_MODE_2D;
}
if (mm_camer_obj->camera_info.modes_supported & CAMERA_MODE_3D) {
cameraInfo->mode |= CAMERA_SUPPORT_MODE_3D;
}
#endif
}
ALOGV("%s: X", __func__);
return;
}
/* HAL should return NULL if it fails to open camera hardware. */
extern "C" void * HAL_openCameraHardware(int cameraId, int mode)
{
ALOGV("%s: E", __func__);
if (!HAL_numOfCameras || HAL_numOfCameras < cameraId ||cameraId < 0) {
return NULL;
}
return QCameraHAL_openCameraHardware(cameraId, mode);
}
}; // namespace android
|
