1 /*
2 * Copyright (C) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "dcamera_handler.h"
17
18 #include "anonymous_string.h"
19 #include "avcodec_info.h"
20 #include "avcodec_list.h"
21 #include "dcamera_manager_callback.h"
22 #include "dcamera_utils_tools.h"
23 #include "distributed_camera_constants.h"
24 #include "distributed_camera_errno.h"
25 #include "distributed_hardware_log.h"
26 #include "metadata_utils.h"
27
28 namespace OHOS {
29 namespace DistributedHardware {
30 IMPLEMENT_SINGLE_INSTANCE(DCameraHandler);
31
~DCameraHandler()32 DCameraHandler::~DCameraHandler()
33 {
34 DHLOGI("~DCameraHandlerCommon");
35 }
36
Initialize()37 int32_t DCameraHandler::Initialize()
38 {
39 DHLOGI("DCameraHandlerCommon::Initialize");
40 cameraManager_ = CameraStandard::CameraManager::GetInstance();
41 if (cameraManager_ == nullptr) {
42 DHLOGE("DCameraHandlerCommon::Initialize cameraManager getInstance failed");
43 return DCAMERA_INIT_ERR;
44 }
45 std::shared_ptr<DCameraManagerCallback> cameraMgrCallback = std::make_shared<DCameraManagerCallback>();
46 cameraManager_->SetCallback(cameraMgrCallback);
47 DHLOGI("DCameraHandlerCommon::Initialize success");
48 return DCAMERA_OK;
49 }
50
Query()51 std::vector<DHItem> DCameraHandler::Query()
52 {
53 std::vector<DHItem> itemList;
54 std::vector<sptr<CameraStandard::CameraInfo>> cameraList = cameraManager_->GetCameras();
55 DHLOGI("DCameraHandlerCommon::Query get %d cameras", cameraList.size());
56 if (cameraList.empty()) {
57 DHLOGE("DCameraHandlerCommon::Query no camera device");
58 return itemList;
59 }
60 for (auto& info : cameraList) {
61 if (info->GetConnectionType() != OHOS_CAMERA_CONNECTION_TYPE_BUILTIN) {
62 DHLOGI("DCameraHandlerCommon::Query connection type: %d", info->GetConnectionType());
63 continue;
64 }
65 if ((info->GetPosition() == OHOS_CAMERA_POSITION_OTHER) ||
66 (info->GetPosition() == OHOS_CAMERA_POSITION_FRONT) ||
67 (info->GetPosition() == OHOS_CAMERA_POSITION_BACK &&
68 info->GetCameraType() == OHOS_CAMERA_TYPE_LOGICAL)) {
69 DHItem item = CreateDHItem(info);
70 itemList.push_back(item);
71 }
72 }
73 DHLOGI("DCameraHandlerCommon::Query success, get %d items", itemList.size());
74 return itemList;
75 }
76
QueryExtraInfo()77 std::map<std::string, std::string> DCameraHandler::QueryExtraInfo()
78 {
79 DHLOGI("DCameraHandler::QueryExtraInfo");
80 std::map<std::string, std::string> extraInfo;
81 return extraInfo;
82 }
83
IsSupportPlugin()84 bool DCameraHandler::IsSupportPlugin()
85 {
86 DHLOGI("DCameraHandler::IsSupportPlugin");
87 return false;
88 }
89
RegisterPluginListener(std::shared_ptr<PluginListener> listener)90 void DCameraHandler::RegisterPluginListener(std::shared_ptr<PluginListener> listener)
91 {
92 DHLOGI("DCameraHandler::RegisterPluginListener");
93 if (listener == nullptr) {
94 DHLOGE("DCameraHandler unregistering plugin listener");
95 }
96 pluginListener_ = listener;
97 }
98
GetCameras()99 std::vector<std::string> DCameraHandler::GetCameras()
100 {
101 std::vector<std::string> cameras;
102 std::vector<sptr<CameraStandard::CameraInfo>> cameraList = cameraManager_->GetCameras();
103 DHLOGI("DCameraHandlerCommon::GetCameras get %d cameras", cameraList.size());
104 if (cameraList.empty()) {
105 DHLOGE("DCameraHandlerCommon::GetCameras no camera device");
106 return cameras;
107 }
108 for (auto& info : cameraList) {
109 if (info->GetConnectionType() != OHOS_CAMERA_CONNECTION_TYPE_BUILTIN) {
110 DHLOGI("DCameraHandlerCommon::GetCameras connection type: %d", info->GetConnectionType());
111 continue;
112 }
113 if ((info->GetPosition() == OHOS_CAMERA_POSITION_OTHER) ||
114 (info->GetPosition() == OHOS_CAMERA_POSITION_FRONT) ||
115 (info->GetPosition() == OHOS_CAMERA_POSITION_BACK &&
116 info->GetCameraType() == OHOS_CAMERA_TYPE_LOGICAL)) {
117 std::string dhId = CAMERA_ID_PREFIX + info->GetID();
118 cameras.push_back(dhId);
119 }
120 }
121 DHLOGI("DCameraHandlerCommon::GetCameras success, get %d items", cameras.size());
122 return cameras;
123 }
124
CreateDHItem(sptr<CameraStandard::CameraInfo> & info)125 DHItem DCameraHandler::CreateDHItem(sptr<CameraStandard::CameraInfo>& info)
126 {
127 DHItem item;
128 std::string id = info->GetID();
129 item.dhId = CAMERA_ID_PREFIX + id;
130 DHLOGI("DCameraHandlerCommon::CreateDHItem camera id: %s", GetAnonyString(id).c_str());
131
132 Json::Value root;
133 root[CAMERA_PROTOCOL_VERSION_KEY] = Json::Value(CAMERA_PROTOCOL_VERSION_VALUE);
134 root[CAMERA_POSITION_KEY] = Json::Value(GetCameraPosition(info->GetPosition()));
135 root[CAMERA_CODEC_TYPE_KEY].append("OMX_hisi_video_encoder_avc");
136
137 sptr<CameraStandard::CameraInput> cameraInput = cameraManager_->CreateCameraInput(info);
138 if (cameraInput == nullptr) {
139 DHLOGE("DCameraHandlerCommon::CreateDHItem create cameraInput failed");
140 return item;
141 }
142
143 Json::Value outputFormat;
144 Json::Value resolution;
145 std::set<camera_format_t> formatSet;
146
147 std::vector<camera_format_t> videoFormats;
148 videoFormats.push_back(camera_format_t::OHOS_CAMERA_FORMAT_RGBA_8888);
149 ConfigInfo videoConfig = {CONTINUOUS_FRAME, CAMERA_FORMAT_VIDEO, cameraInput};
150 ConfigFormatAndResolution(videoConfig, outputFormat, resolution, videoFormats, formatSet);
151
152 std::vector<camera_format_t> previewFormats;
153 previewFormats.push_back(camera_format_t::OHOS_CAMERA_FORMAT_RGBA_8888);
154 ConfigInfo previewInfo = {CONTINUOUS_FRAME, CAMERA_FORMAT_PREVIEW, cameraInput};
155 ConfigFormatAndResolution(previewInfo, outputFormat, resolution, previewFormats, formatSet);
156
157 std::vector<camera_format_t> photoFormats;
158 photoFormats.push_back(camera_format_t::OHOS_CAMERA_FORMAT_RGBA_8888);
159 ConfigInfo photoConfig = {SNAPSHOT_FRAME, CAMERA_FORMAT_PHOTO, cameraInput};
160 ConfigFormatAndResolution(photoConfig, outputFormat, resolution, photoFormats, formatSet);
161
162 root[CAMERA_FORMAT_KEY] = outputFormat;
163 root[CAMERA_RESOLUTION_KEY] = resolution;
164
165 std::string abilityString = cameraInput->GetCameraSettings();
166 std::string encodeString = Base64Encode(reinterpret_cast<const unsigned char *>(abilityString.c_str()),
167 abilityString.length());
168 root[CAMERA_METADATA_KEY] = Json::Value(encodeString);
169
170 item.attrs = root.toStyledString();
171 cameraInput->Release();
172 return item;
173 }
174
GetCameraPosition(camera_position_enum_t position)175 std::string DCameraHandler::GetCameraPosition(camera_position_enum_t position)
176 {
177 DHLOGI("DCameraHandler::GetCameraPosition position: %d", position);
178 std::string ret = "";
179 switch (position) {
180 case OHOS_CAMERA_POSITION_BACK: {
181 ret = CAMERA_POSITION_BACK;
182 break;
183 }
184 case OHOS_CAMERA_POSITION_FRONT: {
185 ret = CAMERA_POSITION_FRONT;
186 break;
187 }
188 case OHOS_CAMERA_POSITION_OTHER: {
189 ret = CAMERA_POSITION_UNSPECIFIED;
190 break;
191 }
192 default: {
193 DHLOGE("DCameraHandler::GetCameraPosition unknown camera position");
194 break;
195 }
196 }
197 DHLOGI("DCameraHandler::GetCameraPosition success ret: %s", ret.c_str());
198 return ret;
199 }
200
ConfigFormatAndResolution(ConfigInfo & info,Json::Value & outputFormat,Json::Value & resolution,std::vector<camera_format_t> & formatList,std::set<camera_format_t> & formatSet)201 void DCameraHandler::ConfigFormatAndResolution(ConfigInfo& info, Json::Value& outputFormat, Json::Value& resolution,
202 std::vector<camera_format_t>& formatList, std::set<camera_format_t>& formatSet)
203 {
204 DHLOGI("DCameraHandlerCommon::ConfigFormatAndResolution camera format size: %d", formatList.size());
205 for (auto& format : formatList) {
206 DHLOGI("DCameraHandlerCommon::ConfigFormatAndResolution %s format: %d", info.formatKey.c_str(), format);
207 outputFormat[info.formatKey].append(format);
208 if (formatSet.insert(format).second) {
209 std::string keyName = std::to_string(format);
210 resolution[keyName].append("640*480");
211 }
212 }
213 }
214
IsValid(DCStreamType type,CameraStandard::CameraPicSize & size)215 bool DCameraHandler::IsValid(DCStreamType type, CameraStandard::CameraPicSize& size)
216 {
217 bool ret = false;
218 switch (type) {
219 case CONTINUOUS_FRAME: {
220 ret = (size.width >= RESOLUTION_MIN_WIDTH) &&
221 (size.height >= RESOLUTION_MIN_HEIGHT) &&
222 (size.width <= RESOLUTION_MAX_WIDTH_CONTINUOUS) &&
223 (size.height <= RESOLUTION_MAX_HEIGHT_CONTINUOUS);
224 break;
225 }
226 case SNAPSHOT_FRAME: {
227 ret = (size.width >= RESOLUTION_MIN_WIDTH) &&
228 (size.height >= RESOLUTION_MIN_HEIGHT) &&
229 (size.width <= RESOLUTION_MAX_WIDTH_SNAPSHOT) &&
230 (size.height <= RESOLUTION_MAX_HEIGHT_SNAPSHOT);
231 break;
232 }
233 default: {
234 DHLOGE("DCameraHandler::isValid unknown stream type");
235 break;
236 }
237 }
238 return ret;
239 }
240
GetHardwareHandler()241 IHardwareHandler* GetHardwareHandler()
242 {
243 DHLOGI("DCameraHandler::GetHardwareHandler");
244 return &DCameraHandler::GetInstance();
245 }
246 } // namespace DistributedHardware
247 } // namespace OHOS