1 /*
2 * Copyright (C) 2022 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 #include "ConfigManagerUtil.h"
18
19 #include <android-base/logging.h>
20 #include <linux/videodev2.h>
21
22 #include <sstream>
23 #include <string>
24
25 #include <system/graphics-base-v1.0.h>
26
27 using ::aidl::android::hardware::automotive::evs::CameraParam;
28 using ::aidl::android::hardware::graphics::common::PixelFormat;
29
convertToEvsCameraParam(const std::string & id,CameraParam & camParam)30 bool ConfigManagerUtil::convertToEvsCameraParam(const std::string& id, CameraParam& camParam) {
31 std::string trimmed = ConfigManagerUtil::trimString(id);
32 bool success = true;
33
34 if (!trimmed.compare("BRIGHTNESS")) {
35 camParam = CameraParam::BRIGHTNESS;
36 } else if (!trimmed.compare("CONTRAST")) {
37 camParam = CameraParam::CONTRAST;
38 } else if (!trimmed.compare("AUTOGAIN")) {
39 camParam = CameraParam::AUTOGAIN;
40 } else if (!trimmed.compare("GAIN")) {
41 camParam = CameraParam::GAIN;
42 } else if (!trimmed.compare("AUTO_WHITE_BALANCE")) {
43 camParam = CameraParam::AUTO_WHITE_BALANCE;
44 } else if (!trimmed.compare("WHITE_BALANCE_TEMPERATURE")) {
45 camParam = CameraParam::WHITE_BALANCE_TEMPERATURE;
46 } else if (!trimmed.compare("SHARPNESS")) {
47 camParam = CameraParam::SHARPNESS;
48 } else if (!trimmed.compare("AUTO_EXPOSURE")) {
49 camParam = CameraParam::AUTO_EXPOSURE;
50 } else if (!trimmed.compare("ABSOLUTE_EXPOSURE")) {
51 camParam = CameraParam::ABSOLUTE_EXPOSURE;
52 } else if (!trimmed.compare("ABSOLUTE_FOCUS")) {
53 camParam = CameraParam::ABSOLUTE_FOCUS;
54 } else if (!trimmed.compare("AUTO_FOCUS")) {
55 camParam = CameraParam::AUTO_FOCUS;
56 } else if (!trimmed.compare("ABSOLUTE_ZOOM")) {
57 camParam = CameraParam::ABSOLUTE_ZOOM;
58 } else {
59 success = false;
60 }
61
62 return success;
63 }
64
convertToPixelFormat(const std::string & in,PixelFormat & out)65 bool ConfigManagerUtil::convertToPixelFormat(const std::string& in, PixelFormat& out) {
66 std::string trimmed = ConfigManagerUtil::trimString(in);
67 bool success = true;
68
69 if (!trimmed.compare("RGBA_8888")) {
70 out = PixelFormat::RGBA_8888;
71 } else if (!trimmed.compare("YCRCB_420_SP")) {
72 out = PixelFormat::YCRCB_420_SP;
73 } else if (!trimmed.compare("YCBCR_422_I")) {
74 out = PixelFormat::YCBCR_422_I;
75 } else {
76 out = PixelFormat::UNSPECIFIED;
77 success = false;
78 }
79
80 return success;
81 }
82
convertToMetadataTag(const char * name,camera_metadata_tag & aTag)83 bool ConfigManagerUtil::convertToMetadataTag(const char* name, camera_metadata_tag& aTag) {
84 if (!std::strcmp(name, "LENS_DISTORTION")) {
85 aTag = ANDROID_LENS_DISTORTION;
86 } else if (!std::strcmp(name, "LENS_INTRINSIC_CALIBRATION")) {
87 aTag = ANDROID_LENS_INTRINSIC_CALIBRATION;
88 } else if (!std::strcmp(name, "LENS_POSE_ROTATION")) {
89 aTag = ANDROID_LENS_POSE_ROTATION;
90 } else if (!std::strcmp(name, "LENS_POSE_TRANSLATION")) {
91 aTag = ANDROID_LENS_POSE_TRANSLATION;
92 } else if (!std::strcmp(name, "REQUEST_AVAILABLE_CAPABILITIES")) {
93 aTag = ANDROID_REQUEST_AVAILABLE_CAPABILITIES;
94 } else if (!std::strcmp(name, "LOGICAL_MULTI_CAMERA_PHYSICAL_IDS")) {
95 aTag = ANDROID_LOGICAL_MULTI_CAMERA_PHYSICAL_IDS;
96 } else {
97 return false;
98 }
99
100 return true;
101 }
102
convertToCameraCapability(const char * name,camera_metadata_enum_android_request_available_capabilities_t & cap)103 bool ConfigManagerUtil::convertToCameraCapability(
104 const char* name, camera_metadata_enum_android_request_available_capabilities_t& cap) {
105 if (!std::strcmp(name, "DEPTH_OUTPUT")) {
106 cap = ANDROID_REQUEST_AVAILABLE_CAPABILITIES_DEPTH_OUTPUT;
107 } else if (!std::strcmp(name, "LOGICAL_MULTI_CAMERA")) {
108 cap = ANDROID_REQUEST_AVAILABLE_CAPABILITIES_LOGICAL_MULTI_CAMERA;
109 } else if (!std::strcmp(name, "MONOCHROME")) {
110 cap = ANDROID_REQUEST_AVAILABLE_CAPABILITIES_MONOCHROME;
111 } else if (!std::strcmp(name, "SECURE_IMAGE_DATA")) {
112 cap = ANDROID_REQUEST_AVAILABLE_CAPABILITIES_SECURE_IMAGE_DATA;
113 } else {
114 return false;
115 }
116
117 return true;
118 }
119
convertFloatArray(const char * sz,const char * vals,size_t & count,const char delimiter)120 float* ConfigManagerUtil::convertFloatArray(const char* sz, const char* vals, size_t& count,
121 const char delimiter) {
122 std::string size_string(sz);
123 std::string value_string(vals);
124
125 count = stoi(size_string);
126 float* result = new float[count];
127 std::stringstream values(value_string);
128
129 int32_t idx = 0;
130 std::string token;
131 while (getline(values, token, delimiter)) {
132 result[idx++] = stof(token);
133 }
134
135 return result;
136 }
137
trimString(const std::string & src,const std::string & ws)138 std::string ConfigManagerUtil::trimString(const std::string& src, const std::string& ws) {
139 const auto s = src.find_first_not_of(ws);
140 if (s == std::string::npos) {
141 return "";
142 }
143
144 const auto e = src.find_last_not_of(ws);
145 const auto r = e - s + 1;
146
147 return src.substr(s, r);
148 }
149