Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1 | /* |
Ruben Brunk | d1176ef | 2014-02-21 10:51:38 -0800 | [diff] [blame] | 2 | * Copyright (C) 2008 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 | */ |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 16 | |
| 17 | #define LOG_TAG "CameraService" |
Iliyan Malchev | 8951a97 | 2011-04-14 16:55:59 -0700 | [diff] [blame] | 18 | //#define LOG_NDEBUG 0 |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 19 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 20 | #include <algorithm> |
| 21 | #include <climits> |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 22 | #include <stdio.h> |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 23 | #include <cstring> |
| 24 | #include <ctime> |
| 25 | #include <string> |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 26 | #include <sys/types.h> |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 27 | #include <inttypes.h> |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 28 | #include <pthread.h> |
| 29 | |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 30 | #include <binder/AppOpsManager.h> |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 31 | #include <binder/IPCThreadState.h> |
| 32 | #include <binder/IServiceManager.h> |
| 33 | #include <binder/MemoryBase.h> |
| 34 | #include <binder/MemoryHeapBase.h> |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 35 | #include <binder/ProcessInfoService.h> |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 36 | #include <cutils/atomic.h> |
Nipun Kwatra | b5ca461 | 2010-09-11 19:31:10 -0700 | [diff] [blame] | 37 | #include <cutils/properties.h> |
Mathias Agopian | df712ea | 2012-02-25 18:48:35 -0800 | [diff] [blame] | 38 | #include <gui/Surface.h> |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 39 | #include <hardware/hardware.h> |
| 40 | #include <media/AudioSystem.h> |
Andreas Huber | 1b86fe0 | 2014-01-29 11:13:26 -0800 | [diff] [blame] | 41 | #include <media/IMediaHTTPService.h> |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 42 | #include <media/mediaplayer.h> |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 43 | #include <utils/Errors.h> |
| 44 | #include <utils/Log.h> |
| 45 | #include <utils/String16.h> |
Ruben Brunk | d1176ef | 2014-02-21 10:51:38 -0800 | [diff] [blame] | 46 | #include <utils/Trace.h> |
| 47 | #include <system/camera_vendor_tags.h> |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 48 | #include <system/camera_metadata.h> |
| 49 | #include <system/camera.h> |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 50 | |
| 51 | #include "CameraService.h" |
Eino-Ville Talvala | 7b82efe | 2013-07-25 17:12:35 -0700 | [diff] [blame] | 52 | #include "api1/CameraClient.h" |
| 53 | #include "api1/Camera2Client.h" |
Eino-Ville Talvala | 7b82efe | 2013-07-25 17:12:35 -0700 | [diff] [blame] | 54 | #include "api2/CameraDeviceClient.h" |
Igor Murashkin | ff3e31d | 2013-10-23 16:40:06 -0700 | [diff] [blame] | 55 | #include "utils/CameraTraces.h" |
Igor Murashkin | 98e2472 | 2013-06-19 19:51:04 -0700 | [diff] [blame] | 56 | #include "CameraDeviceFactory.h" |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 57 | |
| 58 | namespace android { |
| 59 | |
| 60 | // ---------------------------------------------------------------------------- |
| 61 | // Logging support -- this is for debugging only |
| 62 | // Use "adb shell dumpsys media.camera -v 1" to change it. |
Eino-Ville Talvala | 5e08d60 | 2012-05-16 14:59:25 -0700 | [diff] [blame] | 63 | volatile int32_t gLogLevel = 0; |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 64 | |
Steve Block | b8a8052 | 2011-12-20 16:23:08 +0000 | [diff] [blame] | 65 | #define LOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__); |
| 66 | #define LOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 67 | |
| 68 | static void setLogLevel(int level) { |
| 69 | android_atomic_write(level, &gLogLevel); |
| 70 | } |
| 71 | |
| 72 | // ---------------------------------------------------------------------------- |
| 73 | |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 74 | extern "C" { |
| 75 | static void camera_device_status_change( |
| 76 | const struct camera_module_callbacks* callbacks, |
| 77 | int camera_id, |
| 78 | int new_status) { |
| 79 | sp<CameraService> cs = const_cast<CameraService*>( |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 80 | static_cast<const CameraService*>(callbacks)); |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 81 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 82 | cs->onDeviceStatusChanged(static_cast<camera_device_status_t>(camera_id), |
| 83 | static_cast<camera_device_status_t>(new_status)); |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 84 | } |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 85 | |
| 86 | static void torch_mode_status_change( |
| 87 | const struct camera_module_callbacks* callbacks, |
| 88 | const char* camera_id, |
| 89 | int new_status) { |
| 90 | if (!callbacks || !camera_id) { |
| 91 | ALOGE("%s invalid parameters. callbacks %p, camera_id %p", __FUNCTION__, |
| 92 | callbacks, camera_id); |
| 93 | } |
| 94 | sp<CameraService> cs = const_cast<CameraService*>( |
| 95 | static_cast<const CameraService*>(callbacks)); |
| 96 | |
| 97 | ICameraServiceListener::TorchStatus status; |
| 98 | switch (new_status) { |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 99 | case TORCH_MODE_STATUS_NOT_AVAILABLE: |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 100 | status = ICameraServiceListener::TORCH_STATUS_NOT_AVAILABLE; |
| 101 | break; |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 102 | case TORCH_MODE_STATUS_AVAILABLE_OFF: |
| 103 | status = ICameraServiceListener::TORCH_STATUS_AVAILABLE_OFF; |
| 104 | break; |
| 105 | case TORCH_MODE_STATUS_AVAILABLE_ON: |
| 106 | status = ICameraServiceListener::TORCH_STATUS_AVAILABLE_ON; |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 107 | break; |
| 108 | default: |
| 109 | ALOGE("Unknown torch status %d", new_status); |
| 110 | return; |
| 111 | } |
| 112 | |
| 113 | cs->onTorchStatusChanged( |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 114 | String8(camera_id), |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 115 | status); |
| 116 | } |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 117 | } // extern "C" |
| 118 | |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 119 | // ---------------------------------------------------------------------------- |
| 120 | |
| 121 | // This is ugly and only safe if we never re-create the CameraService, but |
| 122 | // should be ok for now. |
| 123 | static CameraService *gCameraService; |
| 124 | |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 125 | CameraService::CameraService() : mEventLog(DEFAULT_EVENT_LOG_LENGTH), |
Ruben Brunk | 36597b2 | 2015-03-20 22:15:57 -0700 | [diff] [blame] | 126 | mLastUserId(DEFAULT_LAST_USER_ID), mSoundRef(0), mModule(0), mFlashlight(0) { |
Steve Block | df64d15 | 2012-01-04 20:05:49 +0000 | [diff] [blame] | 127 | ALOGI("CameraService started (pid=%d)", getpid()); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 128 | gCameraService = this; |
Igor Murashkin | bfc9915 | 2013-02-27 12:55:20 -0800 | [diff] [blame] | 129 | |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 130 | this->camera_device_status_change = android::camera_device_status_change; |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 131 | this->torch_mode_status_change = android::torch_mode_status_change; |
| 132 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 133 | mServiceLockWrapper = std::make_shared<WaitableMutexWrapper>(&mServiceLock); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 134 | } |
| 135 | |
Iliyan Malchev | 8951a97 | 2011-04-14 16:55:59 -0700 | [diff] [blame] | 136 | void CameraService::onFirstRef() |
| 137 | { |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 138 | ALOGI("CameraService process starting"); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 139 | |
Iliyan Malchev | 8951a97 | 2011-04-14 16:55:59 -0700 | [diff] [blame] | 140 | BnCameraService::onFirstRef(); |
| 141 | |
Yin-Chia Yeh | e074a93 | 2015-01-30 10:29:02 -0800 | [diff] [blame] | 142 | camera_module_t *rawModule; |
Eino-Ville Talvala | 1527f07 | 2015-04-07 15:55:31 -0700 | [diff] [blame] | 143 | int err = hw_get_module(CAMERA_HARDWARE_MODULE_ID, |
| 144 | (const hw_module_t **)&rawModule); |
| 145 | if (err < 0) { |
| 146 | ALOGE("Could not load camera HAL module: %d (%s)", err, strerror(-err)); |
| 147 | logServiceError("Could not load camera HAL module", err); |
Iliyan Malchev | 8951a97 | 2011-04-14 16:55:59 -0700 | [diff] [blame] | 148 | mNumberOfCameras = 0; |
Eino-Ville Talvala | 1527f07 | 2015-04-07 15:55:31 -0700 | [diff] [blame] | 149 | return; |
Iliyan Malchev | 8951a97 | 2011-04-14 16:55:59 -0700 | [diff] [blame] | 150 | } |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 151 | |
Eino-Ville Talvala | 1527f07 | 2015-04-07 15:55:31 -0700 | [diff] [blame] | 152 | mModule = new CameraModule(rawModule); |
| 153 | ALOGI("Loaded \"%s\" camera module", mModule->getModuleName()); |
| 154 | err = mModule->init(); |
| 155 | if (err != OK) { |
| 156 | ALOGE("Could not initialize camera HAL module: %d (%s)", err, |
| 157 | strerror(-err)); |
| 158 | logServiceError("Could not initialize camera HAL module", err); |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 159 | |
Eino-Ville Talvala | 1527f07 | 2015-04-07 15:55:31 -0700 | [diff] [blame] | 160 | mNumberOfCameras = 0; |
| 161 | delete mModule; |
| 162 | mModule = nullptr; |
| 163 | return; |
Iliyan Malchev | 8951a97 | 2011-04-14 16:55:59 -0700 | [diff] [blame] | 164 | } |
Eino-Ville Talvala | 1527f07 | 2015-04-07 15:55:31 -0700 | [diff] [blame] | 165 | |
| 166 | mNumberOfCameras = mModule->getNumberOfCameras(); |
| 167 | |
| 168 | mFlashlight = new CameraFlashlight(*mModule, *this); |
| 169 | status_t res = mFlashlight->findFlashUnits(); |
| 170 | if (res) { |
| 171 | // impossible because we haven't open any camera devices. |
| 172 | ALOGE("Failed to find flash units."); |
| 173 | } |
| 174 | |
| 175 | for (int i = 0; i < mNumberOfCameras; i++) { |
| 176 | String8 cameraId = String8::format("%d", i); |
| 177 | |
| 178 | // Defaults to use for cost and conflicting devices |
| 179 | int cost = 100; |
| 180 | char** conflicting_devices = nullptr; |
| 181 | size_t conflicting_devices_length = 0; |
| 182 | |
| 183 | // If using post-2.4 module version, query the cost + conflicting devices from the HAL |
| 184 | if (mModule->getModuleApiVersion() >= CAMERA_MODULE_API_VERSION_2_4) { |
| 185 | struct camera_info info; |
| 186 | status_t rc = mModule->getCameraInfo(i, &info); |
| 187 | if (rc == NO_ERROR) { |
| 188 | cost = info.resource_cost; |
| 189 | conflicting_devices = info.conflicting_devices; |
| 190 | conflicting_devices_length = info.conflicting_devices_length; |
| 191 | } else { |
| 192 | ALOGE("%s: Received error loading camera info for device %d, cost and" |
| 193 | " conflicting devices fields set to defaults for this device.", |
| 194 | __FUNCTION__, i); |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | std::set<String8> conflicting; |
| 199 | for (size_t i = 0; i < conflicting_devices_length; i++) { |
| 200 | conflicting.emplace(String8(conflicting_devices[i])); |
| 201 | } |
| 202 | |
| 203 | // Initialize state for each camera device |
| 204 | { |
| 205 | Mutex::Autolock lock(mCameraStatesLock); |
| 206 | mCameraStates.emplace(cameraId, std::make_shared<CameraState>(cameraId, cost, |
| 207 | conflicting)); |
| 208 | } |
| 209 | |
| 210 | if (mFlashlight->hasFlashUnit(cameraId)) { |
| 211 | mTorchStatusMap.add(cameraId, |
| 212 | ICameraServiceListener::TORCH_STATUS_AVAILABLE_OFF); |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | if (mModule->getModuleApiVersion() >= CAMERA_MODULE_API_VERSION_2_1) { |
| 217 | mModule->setCallbacks(this); |
| 218 | } |
| 219 | |
| 220 | VendorTagDescriptor::clearGlobalVendorTagDescriptor(); |
| 221 | |
| 222 | if (mModule->getModuleApiVersion() >= CAMERA_MODULE_API_VERSION_2_2) { |
| 223 | setUpVendorTags(); |
| 224 | } |
| 225 | |
| 226 | CameraDeviceFactory::registerService(this); |
Iliyan Malchev | 8951a97 | 2011-04-14 16:55:59 -0700 | [diff] [blame] | 227 | } |
| 228 | |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 229 | CameraService::~CameraService() { |
Yin-Chia Yeh | e074a93 | 2015-01-30 10:29:02 -0800 | [diff] [blame] | 230 | if (mModule) { |
| 231 | delete mModule; |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 232 | mModule = nullptr; |
Yin-Chia Yeh | e074a93 | 2015-01-30 10:29:02 -0800 | [diff] [blame] | 233 | } |
Ruben Brunk | d1176ef | 2014-02-21 10:51:38 -0800 | [diff] [blame] | 234 | VendorTagDescriptor::clearGlobalVendorTagDescriptor(); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 235 | gCameraService = nullptr; |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 236 | } |
| 237 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 238 | void CameraService::onDeviceStatusChanged(camera_device_status_t cameraId, |
| 239 | camera_device_status_t newStatus) { |
| 240 | ALOGI("%s: Status changed for cameraId=%d, newStatus=%d", __FUNCTION__, |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 241 | cameraId, newStatus); |
| 242 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 243 | String8 id = String8::format("%d", cameraId); |
| 244 | std::shared_ptr<CameraState> state = getCameraState(id); |
| 245 | |
| 246 | if (state == nullptr) { |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 247 | ALOGE("%s: Bad camera ID %d", __FUNCTION__, cameraId); |
| 248 | return; |
| 249 | } |
| 250 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 251 | ICameraServiceListener::Status oldStatus = state->getStatus(); |
| 252 | |
| 253 | if (oldStatus == static_cast<ICameraServiceListener::Status>(newStatus)) { |
| 254 | ALOGE("%s: State transition to the same status %#x not allowed", __FUNCTION__, newStatus); |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 255 | return; |
| 256 | } |
| 257 | |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 258 | if (newStatus == CAMERA_DEVICE_STATUS_NOT_PRESENT) { |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 259 | logDeviceRemoved(id, String8::format("Device status changed from %d to %d", oldStatus, |
| 260 | newStatus)); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 261 | sp<BasicClient> clientToDisconnect; |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 262 | { |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 263 | // Don't do this in updateStatus to avoid deadlock over mServiceLock |
| 264 | Mutex::Autolock lock(mServiceLock); |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 265 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 266 | // Set the device status to NOT_PRESENT, clients will no longer be able to connect |
| 267 | // to this device until the status changes |
| 268 | updateStatus(ICameraServiceListener::STATUS_NOT_PRESENT, id); |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 269 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 270 | // Remove cached shim parameters |
| 271 | state->setShimParams(CameraParameters()); |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 272 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 273 | // Remove the client from the list of active clients |
| 274 | clientToDisconnect = removeClientLocked(id); |
| 275 | |
| 276 | // Notify the client of disconnection |
| 277 | clientToDisconnect->notifyError(ICameraDeviceCallbacks::ERROR_CAMERA_DISCONNECTED, |
| 278 | CaptureResultExtras{}); |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 279 | } |
| 280 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 281 | ALOGI("%s: Client for camera ID %s evicted due to device status change from HAL", |
| 282 | __FUNCTION__, id.string()); |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 283 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 284 | // Disconnect client |
| 285 | if (clientToDisconnect.get() != nullptr) { |
| 286 | // Ensure not in binder RPC so client disconnect PID checks work correctly |
| 287 | LOG_ALWAYS_FATAL_IF(getCallingPid() != getpid(), |
| 288 | "onDeviceStatusChanged must be called from the camera service process!"); |
| 289 | clientToDisconnect->disconnect(); |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 290 | } |
| 291 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 292 | } else { |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 293 | if (oldStatus == ICameraServiceListener::Status::STATUS_NOT_PRESENT) { |
| 294 | logDeviceAdded(id, String8::format("Device status changed from %d to %d", oldStatus, |
| 295 | newStatus)); |
| 296 | } |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 297 | updateStatus(static_cast<ICameraServiceListener::Status>(newStatus), id); |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 298 | } |
| 299 | |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 300 | } |
| 301 | |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 302 | void CameraService::onTorchStatusChanged(const String8& cameraId, |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 303 | ICameraServiceListener::TorchStatus newStatus) { |
| 304 | Mutex::Autolock al(mTorchStatusMutex); |
| 305 | onTorchStatusChangedLocked(cameraId, newStatus); |
| 306 | } |
| 307 | |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 308 | void CameraService::onTorchStatusChangedLocked(const String8& cameraId, |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 309 | ICameraServiceListener::TorchStatus newStatus) { |
| 310 | ALOGI("%s: Torch status changed for cameraId=%s, newStatus=%d", |
| 311 | __FUNCTION__, cameraId.string(), newStatus); |
| 312 | |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 313 | ICameraServiceListener::TorchStatus status; |
| 314 | status_t res = getTorchStatusLocked(cameraId, &status); |
| 315 | if (res) { |
Chien-Yu Chen | f6463fc | 2015-04-07 15:11:31 -0700 | [diff] [blame] | 316 | ALOGE("%s: cannot get torch status of camera %s: %s (%d)", |
| 317 | __FUNCTION__, cameraId.string(), strerror(-res), res); |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 318 | return; |
| 319 | } |
| 320 | if (status == newStatus) { |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 321 | return; |
| 322 | } |
| 323 | |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 324 | res = setTorchStatusLocked(cameraId, newStatus); |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 325 | if (res) { |
| 326 | ALOGE("%s: Failed to set the torch status", __FUNCTION__, |
| 327 | (uint32_t)newStatus); |
| 328 | return; |
| 329 | } |
| 330 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 331 | { |
| 332 | Mutex::Autolock lock(mStatusListenerLock); |
| 333 | for (auto& i : mListenerList) { |
| 334 | i->onTorchStatusChanged(newStatus, String16{cameraId}); |
| 335 | } |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 336 | } |
| 337 | } |
| 338 | |
| 339 | |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 340 | int32_t CameraService::getNumberOfCameras() { |
| 341 | return mNumberOfCameras; |
| 342 | } |
| 343 | |
| 344 | status_t CameraService::getCameraInfo(int cameraId, |
| 345 | struct CameraInfo* cameraInfo) { |
Iliyan Malchev | 8951a97 | 2011-04-14 16:55:59 -0700 | [diff] [blame] | 346 | if (!mModule) { |
Ruben Brunk | 0f61d8f | 2013-08-08 13:07:18 -0700 | [diff] [blame] | 347 | return -ENODEV; |
Iliyan Malchev | 8951a97 | 2011-04-14 16:55:59 -0700 | [diff] [blame] | 348 | } |
| 349 | |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 350 | if (cameraId < 0 || cameraId >= mNumberOfCameras) { |
| 351 | return BAD_VALUE; |
| 352 | } |
| 353 | |
Iliyan Malchev | 8951a97 | 2011-04-14 16:55:59 -0700 | [diff] [blame] | 354 | struct camera_info info; |
Eino-Ville Talvala | f67e23e | 2014-07-23 17:17:59 -0700 | [diff] [blame] | 355 | status_t rc = filterGetInfoErrorCode( |
Yin-Chia Yeh | e074a93 | 2015-01-30 10:29:02 -0800 | [diff] [blame] | 356 | mModule->getCameraInfo(cameraId, &info)); |
Iliyan Malchev | 8951a97 | 2011-04-14 16:55:59 -0700 | [diff] [blame] | 357 | cameraInfo->facing = info.facing; |
| 358 | cameraInfo->orientation = info.orientation; |
| 359 | return rc; |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 360 | } |
| 361 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 362 | int CameraService::cameraIdToInt(const String8& cameraId) { |
| 363 | errno = 0; |
| 364 | size_t pos = 0; |
| 365 | int ret = stoi(std::string{cameraId.string()}, &pos); |
| 366 | if (errno != 0 || pos != cameraId.size()) { |
| 367 | return -1; |
| 368 | } |
| 369 | return ret; |
| 370 | } |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 371 | |
| 372 | status_t CameraService::generateShimMetadata(int cameraId, /*out*/CameraMetadata* cameraInfo) { |
| 373 | status_t ret = OK; |
| 374 | struct CameraInfo info; |
| 375 | if ((ret = getCameraInfo(cameraId, &info)) != OK) { |
| 376 | return ret; |
| 377 | } |
| 378 | |
| 379 | CameraMetadata shimInfo; |
| 380 | int32_t orientation = static_cast<int32_t>(info.orientation); |
| 381 | if ((ret = shimInfo.update(ANDROID_SENSOR_ORIENTATION, &orientation, 1)) != OK) { |
| 382 | return ret; |
| 383 | } |
| 384 | |
| 385 | uint8_t facing = (info.facing == CAMERA_FACING_FRONT) ? |
| 386 | ANDROID_LENS_FACING_FRONT : ANDROID_LENS_FACING_BACK; |
| 387 | if ((ret = shimInfo.update(ANDROID_LENS_FACING, &facing, 1)) != OK) { |
| 388 | return ret; |
| 389 | } |
| 390 | |
Igor Murashkin | 65d14b9 | 2014-06-17 12:03:20 -0700 | [diff] [blame] | 391 | CameraParameters shimParams; |
| 392 | if ((ret = getLegacyParametersLazy(cameraId, /*out*/&shimParams)) != OK) { |
| 393 | // Error logged by callee |
| 394 | return ret; |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 395 | } |
| 396 | |
| 397 | Vector<Size> sizes; |
Ruben Brunk | 152dbcf | 2014-06-12 19:11:45 -0700 | [diff] [blame] | 398 | Vector<Size> jpegSizes; |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 399 | Vector<int32_t> formats; |
| 400 | const char* supportedPreviewFormats; |
Igor Murashkin | 65d14b9 | 2014-06-17 12:03:20 -0700 | [diff] [blame] | 401 | { |
| 402 | shimParams.getSupportedPreviewSizes(/*out*/sizes); |
| 403 | shimParams.getSupportedPreviewFormats(/*out*/formats); |
| 404 | shimParams.getSupportedPictureSizes(/*out*/jpegSizes); |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 405 | } |
| 406 | |
| 407 | // Always include IMPLEMENTATION_DEFINED |
| 408 | formats.add(HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED); |
| 409 | |
| 410 | const size_t INTS_PER_CONFIG = 4; |
| 411 | |
| 412 | // Build available stream configurations metadata |
Ruben Brunk | 152dbcf | 2014-06-12 19:11:45 -0700 | [diff] [blame] | 413 | size_t streamConfigSize = (sizes.size() * formats.size() + jpegSizes.size()) * INTS_PER_CONFIG; |
| 414 | |
| 415 | Vector<int32_t> streamConfigs; |
| 416 | streamConfigs.setCapacity(streamConfigSize); |
| 417 | |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 418 | for (size_t i = 0; i < formats.size(); ++i) { |
| 419 | for (size_t j = 0; j < sizes.size(); ++j) { |
Ruben Brunk | 152dbcf | 2014-06-12 19:11:45 -0700 | [diff] [blame] | 420 | streamConfigs.add(formats[i]); |
| 421 | streamConfigs.add(sizes[j].width); |
| 422 | streamConfigs.add(sizes[j].height); |
| 423 | streamConfigs.add(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT); |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 424 | } |
| 425 | } |
| 426 | |
Ruben Brunk | 152dbcf | 2014-06-12 19:11:45 -0700 | [diff] [blame] | 427 | for (size_t i = 0; i < jpegSizes.size(); ++i) { |
| 428 | streamConfigs.add(HAL_PIXEL_FORMAT_BLOB); |
| 429 | streamConfigs.add(jpegSizes[i].width); |
| 430 | streamConfigs.add(jpegSizes[i].height); |
| 431 | streamConfigs.add(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT); |
| 432 | } |
| 433 | |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 434 | if ((ret = shimInfo.update(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS, |
Ruben Brunk | 152dbcf | 2014-06-12 19:11:45 -0700 | [diff] [blame] | 435 | streamConfigs.array(), streamConfigSize)) != OK) { |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 436 | return ret; |
| 437 | } |
| 438 | |
| 439 | int64_t fakeMinFrames[0]; |
| 440 | // TODO: Fixme, don't fake min frame durations. |
| 441 | if ((ret = shimInfo.update(ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS, |
| 442 | fakeMinFrames, 0)) != OK) { |
| 443 | return ret; |
| 444 | } |
| 445 | |
| 446 | int64_t fakeStalls[0]; |
| 447 | // TODO: Fixme, don't fake stall durations. |
| 448 | if ((ret = shimInfo.update(ANDROID_SCALER_AVAILABLE_STALL_DURATIONS, |
| 449 | fakeStalls, 0)) != OK) { |
| 450 | return ret; |
| 451 | } |
| 452 | |
| 453 | *cameraInfo = shimInfo; |
| 454 | return OK; |
| 455 | } |
| 456 | |
Zhijun He | 2b59be8 | 2013-09-25 10:14:30 -0700 | [diff] [blame] | 457 | status_t CameraService::getCameraCharacteristics(int cameraId, |
| 458 | CameraMetadata* cameraInfo) { |
| 459 | if (!cameraInfo) { |
| 460 | ALOGE("%s: cameraInfo is NULL", __FUNCTION__); |
| 461 | return BAD_VALUE; |
| 462 | } |
| 463 | |
| 464 | if (!mModule) { |
| 465 | ALOGE("%s: camera hardware module doesn't exist", __FUNCTION__); |
| 466 | return -ENODEV; |
| 467 | } |
| 468 | |
Zhijun He | 2b59be8 | 2013-09-25 10:14:30 -0700 | [diff] [blame] | 469 | if (cameraId < 0 || cameraId >= mNumberOfCameras) { |
| 470 | ALOGE("%s: Invalid camera id: %d", __FUNCTION__, cameraId); |
| 471 | return BAD_VALUE; |
| 472 | } |
| 473 | |
| 474 | int facing; |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 475 | status_t ret = OK; |
Chien-Yu Chen | 676b21b | 2015-02-24 10:28:19 -0800 | [diff] [blame] | 476 | if (mModule->getModuleApiVersion() < CAMERA_MODULE_API_VERSION_2_0 || |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 477 | getDeviceVersion(cameraId, &facing) <= CAMERA_DEVICE_API_VERSION_2_1 ) { |
| 478 | /** |
| 479 | * Backwards compatibility mode for old HALs: |
| 480 | * - Convert CameraInfo into static CameraMetadata properties. |
| 481 | * - Retrieve cached CameraParameters for this camera. If none exist, |
| 482 | * attempt to open CameraClient and retrieve the CameraParameters. |
| 483 | * - Convert cached CameraParameters into static CameraMetadata |
| 484 | * properties. |
| 485 | */ |
| 486 | ALOGI("%s: Switching to HAL1 shim implementation...", __FUNCTION__); |
Zhijun He | 2b59be8 | 2013-09-25 10:14:30 -0700 | [diff] [blame] | 487 | |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 488 | if ((ret = generateShimMetadata(cameraId, cameraInfo)) != OK) { |
| 489 | return ret; |
| 490 | } |
Zhijun He | f05e50e | 2013-10-01 11:05:33 -0700 | [diff] [blame] | 491 | |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 492 | } else { |
| 493 | /** |
| 494 | * Normal HAL 2.1+ codepath. |
| 495 | */ |
| 496 | struct camera_info info; |
Yin-Chia Yeh | e074a93 | 2015-01-30 10:29:02 -0800 | [diff] [blame] | 497 | ret = filterGetInfoErrorCode(mModule->getCameraInfo(cameraId, &info)); |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 498 | *cameraInfo = info.static_camera_characteristics; |
| 499 | } |
Zhijun He | 2b59be8 | 2013-09-25 10:14:30 -0700 | [diff] [blame] | 500 | |
| 501 | return ret; |
| 502 | } |
| 503 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 504 | int CameraService::getCallingPid() { |
| 505 | return IPCThreadState::self()->getCallingPid(); |
| 506 | } |
| 507 | |
| 508 | int CameraService::getCallingUid() { |
| 509 | return IPCThreadState::self()->getCallingUid(); |
| 510 | } |
| 511 | |
| 512 | String8 CameraService::getFormattedCurrentTime() { |
| 513 | time_t now = time(nullptr); |
| 514 | char formattedTime[64]; |
| 515 | strftime(formattedTime, sizeof(formattedTime), "%m-%d %H:%M:%S", localtime(&now)); |
| 516 | return String8(formattedTime); |
| 517 | } |
| 518 | |
| 519 | int CameraService::getCameraPriorityFromProcState(int procState) { |
| 520 | // Find the priority for the camera usage based on the process state. Higher priority clients |
| 521 | // win for evictions. |
Ruben Brunk | be0b6b4 | 2015-05-12 16:10:52 -0700 | [diff] [blame^] | 522 | if (procState < 0) { |
| 523 | ALOGE("%s: Received invalid process state %d from ActivityManagerService!", __FUNCTION__, |
| 524 | procState); |
| 525 | return -1; |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 526 | } |
Ruben Brunk | be0b6b4 | 2015-05-12 16:10:52 -0700 | [diff] [blame^] | 527 | return INT_MAX - procState; |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 528 | } |
| 529 | |
Ruben Brunk | d1176ef | 2014-02-21 10:51:38 -0800 | [diff] [blame] | 530 | status_t CameraService::getCameraVendorTagDescriptor(/*out*/sp<VendorTagDescriptor>& desc) { |
| 531 | if (!mModule) { |
| 532 | ALOGE("%s: camera hardware module doesn't exist", __FUNCTION__); |
| 533 | return -ENODEV; |
| 534 | } |
| 535 | |
Ruben Brunk | d1176ef | 2014-02-21 10:51:38 -0800 | [diff] [blame] | 536 | desc = VendorTagDescriptor::getGlobalVendorTagDescriptor(); |
| 537 | return OK; |
| 538 | } |
| 539 | |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 540 | int CameraService::getDeviceVersion(int cameraId, int* facing) { |
| 541 | struct camera_info info; |
Yin-Chia Yeh | e074a93 | 2015-01-30 10:29:02 -0800 | [diff] [blame] | 542 | if (mModule->getCameraInfo(cameraId, &info) != OK) { |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 543 | return -1; |
| 544 | } |
| 545 | |
| 546 | int deviceVersion; |
Chien-Yu Chen | 676b21b | 2015-02-24 10:28:19 -0800 | [diff] [blame] | 547 | if (mModule->getModuleApiVersion() >= CAMERA_MODULE_API_VERSION_2_0) { |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 548 | deviceVersion = info.device_version; |
| 549 | } else { |
| 550 | deviceVersion = CAMERA_DEVICE_API_VERSION_1_0; |
| 551 | } |
| 552 | |
| 553 | if (facing) { |
| 554 | *facing = info.facing; |
| 555 | } |
| 556 | |
| 557 | return deviceVersion; |
| 558 | } |
| 559 | |
Eino-Ville Talvala | f67e23e | 2014-07-23 17:17:59 -0700 | [diff] [blame] | 560 | status_t CameraService::filterGetInfoErrorCode(status_t err) { |
| 561 | switch(err) { |
| 562 | case NO_ERROR: |
| 563 | case -EINVAL: |
| 564 | return err; |
| 565 | default: |
| 566 | break; |
| 567 | } |
| 568 | return -ENODEV; |
Igor Murashkin | bfc9915 | 2013-02-27 12:55:20 -0800 | [diff] [blame] | 569 | } |
| 570 | |
Ruben Brunk | d1176ef | 2014-02-21 10:51:38 -0800 | [diff] [blame] | 571 | bool CameraService::setUpVendorTags() { |
| 572 | vendor_tag_ops_t vOps = vendor_tag_ops_t(); |
| 573 | |
| 574 | // Check if vendor operations have been implemented |
Yin-Chia Yeh | e074a93 | 2015-01-30 10:29:02 -0800 | [diff] [blame] | 575 | if (!mModule->isVendorTagDefined()) { |
Ruben Brunk | d1176ef | 2014-02-21 10:51:38 -0800 | [diff] [blame] | 576 | ALOGI("%s: No vendor tags defined for this device.", __FUNCTION__); |
| 577 | return false; |
| 578 | } |
| 579 | |
| 580 | ATRACE_BEGIN("camera3->get_metadata_vendor_tag_ops"); |
Yin-Chia Yeh | e074a93 | 2015-01-30 10:29:02 -0800 | [diff] [blame] | 581 | mModule->getVendorTagOps(&vOps); |
Ruben Brunk | d1176ef | 2014-02-21 10:51:38 -0800 | [diff] [blame] | 582 | ATRACE_END(); |
| 583 | |
| 584 | // Ensure all vendor operations are present |
| 585 | if (vOps.get_tag_count == NULL || vOps.get_all_tags == NULL || |
| 586 | vOps.get_section_name == NULL || vOps.get_tag_name == NULL || |
| 587 | vOps.get_tag_type == NULL) { |
| 588 | ALOGE("%s: Vendor tag operations not fully defined. Ignoring definitions." |
| 589 | , __FUNCTION__); |
| 590 | return false; |
| 591 | } |
| 592 | |
| 593 | // Read all vendor tag definitions into a descriptor |
| 594 | sp<VendorTagDescriptor> desc; |
| 595 | status_t res; |
| 596 | if ((res = VendorTagDescriptor::createDescriptorFromOps(&vOps, /*out*/desc)) |
| 597 | != OK) { |
| 598 | ALOGE("%s: Could not generate descriptor from vendor tag operations," |
| 599 | "received error %s (%d). Camera clients will not be able to use" |
| 600 | "vendor tags", __FUNCTION__, strerror(res), res); |
| 601 | return false; |
| 602 | } |
| 603 | |
| 604 | // Set the global descriptor to use with camera metadata |
| 605 | VendorTagDescriptor::setAsGlobalVendorTagDescriptor(desc); |
| 606 | return true; |
| 607 | } |
| 608 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 609 | status_t CameraService::makeClient(const sp<CameraService>& cameraService, |
| 610 | const sp<IInterface>& cameraCb, const String16& packageName, const String8& cameraId, |
| 611 | int facing, int clientPid, uid_t clientUid, int servicePid, bool legacyMode, |
| 612 | int halVersion, int deviceVersion, apiLevel effectiveApiLevel, |
| 613 | /*out*/sp<BasicClient>* client) { |
| 614 | |
| 615 | // TODO: Update CameraClients + HAL interface to use strings for Camera IDs |
| 616 | int id = cameraIdToInt(cameraId); |
| 617 | if (id == -1) { |
| 618 | ALOGE("%s: Invalid camera ID %s, cannot convert to integer.", __FUNCTION__, |
| 619 | cameraId.string()); |
| 620 | return BAD_VALUE; |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 621 | } |
| 622 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 623 | if (halVersion < 0 || halVersion == deviceVersion) { |
| 624 | // Default path: HAL version is unspecified by caller, create CameraClient |
| 625 | // based on device version reported by the HAL. |
| 626 | switch(deviceVersion) { |
| 627 | case CAMERA_DEVICE_API_VERSION_1_0: |
| 628 | if (effectiveApiLevel == API_1) { // Camera1 API route |
| 629 | sp<ICameraClient> tmp = static_cast<ICameraClient*>(cameraCb.get()); |
| 630 | *client = new CameraClient(cameraService, tmp, packageName, id, facing, |
| 631 | clientPid, clientUid, getpid(), legacyMode); |
| 632 | } else { // Camera2 API route |
| 633 | ALOGW("Camera using old HAL version: %d", deviceVersion); |
| 634 | return -EOPNOTSUPP; |
| 635 | } |
| 636 | break; |
| 637 | case CAMERA_DEVICE_API_VERSION_2_0: |
| 638 | case CAMERA_DEVICE_API_VERSION_2_1: |
| 639 | case CAMERA_DEVICE_API_VERSION_3_0: |
| 640 | case CAMERA_DEVICE_API_VERSION_3_1: |
| 641 | case CAMERA_DEVICE_API_VERSION_3_2: |
| 642 | case CAMERA_DEVICE_API_VERSION_3_3: |
| 643 | if (effectiveApiLevel == API_1) { // Camera1 API route |
| 644 | sp<ICameraClient> tmp = static_cast<ICameraClient*>(cameraCb.get()); |
| 645 | *client = new Camera2Client(cameraService, tmp, packageName, id, facing, |
| 646 | clientPid, clientUid, servicePid, legacyMode); |
| 647 | } else { // Camera2 API route |
| 648 | sp<ICameraDeviceCallbacks> tmp = |
| 649 | static_cast<ICameraDeviceCallbacks*>(cameraCb.get()); |
| 650 | *client = new CameraDeviceClient(cameraService, tmp, packageName, id, |
| 651 | facing, clientPid, clientUid, servicePid); |
| 652 | } |
| 653 | break; |
| 654 | default: |
| 655 | // Should not be reachable |
| 656 | ALOGE("Unknown camera device HAL version: %d", deviceVersion); |
| 657 | return INVALID_OPERATION; |
| 658 | } |
| 659 | } else { |
| 660 | // A particular HAL version is requested by caller. Create CameraClient |
| 661 | // based on the requested HAL version. |
| 662 | if (deviceVersion > CAMERA_DEVICE_API_VERSION_1_0 && |
| 663 | halVersion == CAMERA_DEVICE_API_VERSION_1_0) { |
| 664 | // Only support higher HAL version device opened as HAL1.0 device. |
| 665 | sp<ICameraClient> tmp = static_cast<ICameraClient*>(cameraCb.get()); |
| 666 | *client = new CameraClient(cameraService, tmp, packageName, id, facing, |
| 667 | clientPid, clientUid, servicePid, legacyMode); |
| 668 | } else { |
| 669 | // Other combinations (e.g. HAL3.x open as HAL2.x) are not supported yet. |
| 670 | ALOGE("Invalid camera HAL version %x: HAL %x device can only be" |
| 671 | " opened as HAL %x device", halVersion, deviceVersion, |
| 672 | CAMERA_DEVICE_API_VERSION_1_0); |
| 673 | return INVALID_OPERATION; |
| 674 | } |
| 675 | } |
| 676 | return NO_ERROR; |
| 677 | } |
| 678 | |
| 679 | status_t CameraService::initializeShimMetadata(int cameraId) { |
| 680 | int uid = getCallingUid(); |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 681 | |
| 682 | String16 internalPackageName("media"); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 683 | String8 id = String8::format("%d", cameraId); |
| 684 | status_t ret = NO_ERROR; |
| 685 | sp<Client> tmp = nullptr; |
| 686 | if ((ret = connectHelper<ICameraClient,Client>(sp<ICameraClient>{nullptr}, id, |
| 687 | static_cast<int>(CAMERA_HAL_API_VERSION_UNSPECIFIED), internalPackageName, uid, API_1, |
| 688 | false, true, tmp)) != NO_ERROR) { |
| 689 | ALOGE("%s: Error %d (%s) initializing shim metadata.", __FUNCTION__, ret, strerror(ret)); |
| 690 | return ret; |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 691 | } |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 692 | return NO_ERROR; |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 693 | } |
| 694 | |
Igor Murashkin | 65d14b9 | 2014-06-17 12:03:20 -0700 | [diff] [blame] | 695 | status_t CameraService::getLegacyParametersLazy(int cameraId, |
| 696 | /*out*/ |
| 697 | CameraParameters* parameters) { |
| 698 | |
| 699 | ALOGV("%s: for cameraId: %d", __FUNCTION__, cameraId); |
| 700 | |
| 701 | status_t ret = 0; |
| 702 | |
| 703 | if (parameters == NULL) { |
| 704 | ALOGE("%s: parameters must not be null", __FUNCTION__); |
| 705 | return BAD_VALUE; |
| 706 | } |
| 707 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 708 | String8 id = String8::format("%d", cameraId); |
| 709 | |
| 710 | // Check if we already have parameters |
| 711 | { |
| 712 | // Scope for service lock |
Igor Murashkin | 65d14b9 | 2014-06-17 12:03:20 -0700 | [diff] [blame] | 713 | Mutex::Autolock lock(mServiceLock); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 714 | auto cameraState = getCameraState(id); |
| 715 | if (cameraState == nullptr) { |
| 716 | ALOGE("%s: Invalid camera ID: %s", __FUNCTION__, id.string()); |
| 717 | return BAD_VALUE; |
| 718 | } |
| 719 | CameraParameters p = cameraState->getShimParams(); |
| 720 | if (!p.isEmpty()) { |
| 721 | *parameters = p; |
| 722 | return NO_ERROR; |
Igor Murashkin | 65d14b9 | 2014-06-17 12:03:20 -0700 | [diff] [blame] | 723 | } |
| 724 | } |
| 725 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 726 | int64_t token = IPCThreadState::self()->clearCallingIdentity(); |
| 727 | ret = initializeShimMetadata(cameraId); |
| 728 | IPCThreadState::self()->restoreCallingIdentity(token); |
| 729 | if (ret != NO_ERROR) { |
| 730 | // Error already logged by callee |
| 731 | return ret; |
| 732 | } |
| 733 | |
| 734 | // Check for parameters again |
| 735 | { |
| 736 | // Scope for service lock |
| 737 | Mutex::Autolock lock(mServiceLock); |
| 738 | auto cameraState = getCameraState(id); |
| 739 | if (cameraState == nullptr) { |
| 740 | ALOGE("%s: Invalid camera ID: %s", __FUNCTION__, id.string()); |
| 741 | return BAD_VALUE; |
Igor Murashkin | 65d14b9 | 2014-06-17 12:03:20 -0700 | [diff] [blame] | 742 | } |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 743 | CameraParameters p = cameraState->getShimParams(); |
| 744 | if (!p.isEmpty()) { |
| 745 | *parameters = p; |
| 746 | return NO_ERROR; |
Igor Murashkin | 65d14b9 | 2014-06-17 12:03:20 -0700 | [diff] [blame] | 747 | } |
| 748 | } |
| 749 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 750 | ALOGE("%s: Parameters were not initialized, or were empty. Device may not be present.", |
| 751 | __FUNCTION__); |
| 752 | return INVALID_OPERATION; |
Igor Murashkin | 65d14b9 | 2014-06-17 12:03:20 -0700 | [diff] [blame] | 753 | } |
| 754 | |
Ruben Brunk | 36597b2 | 2015-03-20 22:15:57 -0700 | [diff] [blame] | 755 | status_t CameraService::validateConnectLocked(const String8& cameraId, /*inout*/int& clientUid) |
| 756 | const { |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 757 | |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 758 | int callingPid = getCallingPid(); |
Tyler Luu | 5861a9a | 2011-10-06 00:00:03 -0500 | [diff] [blame] | 759 | |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 760 | if (clientUid == USE_CALLING_UID) { |
| 761 | clientUid = getCallingUid(); |
| 762 | } else { |
| 763 | // We only trust our own process to forward client UIDs |
| 764 | if (callingPid != getpid()) { |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 765 | ALOGE("CameraService::connect X (PID %d) rejected (don't trust clientUid %d)", |
| 766 | callingPid, clientUid); |
Ruben Brunk | 0f61d8f | 2013-08-08 13:07:18 -0700 | [diff] [blame] | 767 | return PERMISSION_DENIED; |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 768 | } |
| 769 | } |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 770 | |
Iliyan Malchev | 8951a97 | 2011-04-14 16:55:59 -0700 | [diff] [blame] | 771 | if (!mModule) { |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 772 | ALOGE("CameraService::connect X (PID %d) rejected (camera HAL module not loaded)", |
| 773 | callingPid); |
Ruben Brunk | 0f61d8f | 2013-08-08 13:07:18 -0700 | [diff] [blame] | 774 | return -ENODEV; |
Iliyan Malchev | 8951a97 | 2011-04-14 16:55:59 -0700 | [diff] [blame] | 775 | } |
| 776 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 777 | if (getCameraState(cameraId) == nullptr) { |
| 778 | ALOGE("CameraService::connect X (PID %d) rejected (invalid camera ID %s)", callingPid, |
| 779 | cameraId.string()); |
Ruben Brunk | 0f61d8f | 2013-08-08 13:07:18 -0700 | [diff] [blame] | 780 | return -ENODEV; |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 781 | } |
| 782 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 783 | // Check device policy for this camera |
Wu-cheng Li | a335543 | 2011-05-20 14:54:25 +0800 | [diff] [blame] | 784 | char value[PROPERTY_VALUE_MAX]; |
Amith Yamasani | 228711d | 2015-02-13 13:25:39 -0800 | [diff] [blame] | 785 | char key[PROPERTY_KEY_MAX]; |
| 786 | int clientUserId = multiuser_get_user_id(clientUid); |
| 787 | snprintf(key, PROPERTY_KEY_MAX, "sys.secpolicy.camera.off_%d", clientUserId); |
| 788 | property_get(key, value, "0"); |
Wu-cheng Li | a335543 | 2011-05-20 14:54:25 +0800 | [diff] [blame] | 789 | if (strcmp(value, "1") == 0) { |
| 790 | // Camera is disabled by DevicePolicyManager. |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 791 | ALOGE("CameraService::connect X (PID %d) rejected (camera %s is disabled by device " |
| 792 | "policy)", callingPid, cameraId.string()); |
Ruben Brunk | 0f61d8f | 2013-08-08 13:07:18 -0700 | [diff] [blame] | 793 | return -EACCES; |
Wu-cheng Li | a335543 | 2011-05-20 14:54:25 +0800 | [diff] [blame] | 794 | } |
| 795 | |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 796 | // Only allow clients who are being used by the current foreground device user, unless calling |
| 797 | // from our own process. |
| 798 | if (callingPid != getpid() && |
| 799 | (mLastUserId != clientUserId && mLastUserId != DEFAULT_LAST_USER_ID)) { |
| 800 | ALOGE("CameraService::connect X (PID %d) rejected (cannot connect from previous " |
| 801 | "device user %d, current device user %d)", callingPid, clientUserId, mLastUserId); |
Ruben Brunk | 36597b2 | 2015-03-20 22:15:57 -0700 | [diff] [blame] | 802 | return PERMISSION_DENIED; |
| 803 | } |
| 804 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 805 | return checkIfDeviceIsUsable(cameraId); |
| 806 | } |
| 807 | |
| 808 | status_t CameraService::checkIfDeviceIsUsable(const String8& cameraId) const { |
| 809 | auto cameraState = getCameraState(cameraId); |
| 810 | int callingPid = getCallingPid(); |
| 811 | if (cameraState == nullptr) { |
| 812 | ALOGE("CameraService::connect X (PID %d) rejected (invalid camera ID %s)", callingPid, |
| 813 | cameraId.string()); |
| 814 | return -ENODEV; |
| 815 | } |
| 816 | |
| 817 | ICameraServiceListener::Status currentStatus = cameraState->getStatus(); |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 818 | if (currentStatus == ICameraServiceListener::STATUS_NOT_PRESENT) { |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 819 | ALOGE("CameraService::connect X (PID %d) rejected (camera %s is not connected)", |
| 820 | callingPid, cameraId.string()); |
Ruben Brunk | 0f61d8f | 2013-08-08 13:07:18 -0700 | [diff] [blame] | 821 | return -ENODEV; |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 822 | } else if (currentStatus == ICameraServiceListener::STATUS_ENUMERATING) { |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 823 | ALOGE("CameraService::connect X (PID %d) rejected, (camera %s is initializing)", |
| 824 | callingPid, cameraId.string()); |
Ruben Brunk | 0f61d8f | 2013-08-08 13:07:18 -0700 | [diff] [blame] | 825 | return -EBUSY; |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 826 | } |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 827 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 828 | return NO_ERROR; |
Igor Murashkin | e6800ce | 2013-03-04 17:25:57 -0800 | [diff] [blame] | 829 | } |
| 830 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 831 | void CameraService::finishConnectLocked(const sp<BasicClient>& client, |
| 832 | const CameraService::DescriptorPtr& desc) { |
Igor Murashkin | e6800ce | 2013-03-04 17:25:57 -0800 | [diff] [blame] | 833 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 834 | // Make a descriptor for the incoming client |
| 835 | auto clientDescriptor = CameraService::CameraClientManager::makeClientDescriptor(client, desc); |
| 836 | auto evicted = mActiveClientManager.addAndEvict(clientDescriptor); |
| 837 | |
| 838 | logConnected(desc->getKey(), static_cast<int>(desc->getOwnerId()), |
| 839 | String8(client->getPackageName())); |
| 840 | |
| 841 | if (evicted.size() > 0) { |
| 842 | // This should never happen - clients should already have been removed in disconnect |
| 843 | for (auto& i : evicted) { |
| 844 | ALOGE("%s: Invalid state: Client for camera %s was not removed in disconnect", |
| 845 | __FUNCTION__, i->getKey().string()); |
| 846 | } |
| 847 | |
| 848 | LOG_ALWAYS_FATAL("%s: Invalid state for CameraService, clients not evicted properly", |
| 849 | __FUNCTION__); |
| 850 | } |
| 851 | } |
| 852 | |
| 853 | status_t CameraService::handleEvictionsLocked(const String8& cameraId, int clientPid, |
| 854 | apiLevel effectiveApiLevel, const sp<IBinder>& remoteCallback, const String8& packageName, |
| 855 | /*out*/ |
| 856 | sp<BasicClient>* client, |
| 857 | std::shared_ptr<resource_policy::ClientDescriptor<String8, sp<BasicClient>>>* partial) { |
| 858 | |
| 859 | status_t ret = NO_ERROR; |
Ruben Brunk | 4f9576b | 2015-04-10 17:26:56 -0700 | [diff] [blame] | 860 | std::vector<DescriptorPtr> evictedClients; |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 861 | DescriptorPtr clientDescriptor; |
| 862 | { |
| 863 | if (effectiveApiLevel == API_1) { |
| 864 | // If we are using API1, any existing client for this camera ID with the same remote |
| 865 | // should be returned rather than evicted to allow MediaRecorder to work properly. |
| 866 | |
| 867 | auto current = mActiveClientManager.get(cameraId); |
| 868 | if (current != nullptr) { |
| 869 | auto clientSp = current->getValue(); |
| 870 | if (clientSp.get() != nullptr) { // should never be needed |
Ruben Brunk | 0bbf8b2 | 2015-04-30 14:35:42 -0700 | [diff] [blame] | 871 | if (!clientSp->canCastToApiClient(effectiveApiLevel)) { |
| 872 | ALOGW("CameraService connect called from same client, but with a different" |
| 873 | " API level, evicting prior client..."); |
| 874 | } else if (clientSp->getRemote() == remoteCallback) { |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 875 | ALOGI("CameraService::connect X (PID %d) (second call from same" |
Ruben Brunk | 0bbf8b2 | 2015-04-30 14:35:42 -0700 | [diff] [blame] | 876 | " app binder, returning the same client)", clientPid); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 877 | *client = clientSp; |
| 878 | return NO_ERROR; |
| 879 | } |
| 880 | } |
Wu-cheng Li | 2fd2440 | 2012-02-23 19:01:00 -0800 | [diff] [blame] | 881 | } |
Wu-cheng Li | 2fd2440 | 2012-02-23 19:01:00 -0800 | [diff] [blame] | 882 | } |
Wu-cheng Li | 08ad5ef | 2012-04-19 12:35:00 +0800 | [diff] [blame] | 883 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 884 | // Return error if the device was unplugged or removed by the HAL for some reason |
| 885 | if ((ret = checkIfDeviceIsUsable(cameraId)) != NO_ERROR) { |
| 886 | return ret; |
| 887 | } |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 888 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 889 | // Get current active client PIDs |
| 890 | std::vector<int> ownerPids(mActiveClientManager.getAllOwners()); |
| 891 | ownerPids.push_back(clientPid); |
Igor Murashkin | e6800ce | 2013-03-04 17:25:57 -0800 | [diff] [blame] | 892 | |
Chih-Hung Hsieh | 54b4246 | 2015-03-19 12:04:54 -0700 | [diff] [blame] | 893 | // Use the value +PROCESS_STATE_NONEXISTENT, to avoid taking |
| 894 | // address of PROCESS_STATE_NONEXISTENT as a reference argument |
| 895 | // for the vector constructor. PROCESS_STATE_NONEXISTENT does |
| 896 | // not have an out-of-class definition. |
| 897 | std::vector<int> priorities(ownerPids.size(), +PROCESS_STATE_NONEXISTENT); |
Igor Murashkin | e6800ce | 2013-03-04 17:25:57 -0800 | [diff] [blame] | 898 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 899 | // Get priorites of all active PIDs |
| 900 | ProcessInfoService::getProcessStatesFromPids(ownerPids.size(), &ownerPids[0], |
| 901 | /*out*/&priorities[0]); |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 902 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 903 | // Update all active clients' priorities |
| 904 | std::map<int,int> pidToPriorityMap; |
| 905 | for (size_t i = 0; i < ownerPids.size() - 1; i++) { |
| 906 | pidToPriorityMap.emplace(ownerPids[i], getCameraPriorityFromProcState(priorities[i])); |
| 907 | } |
| 908 | mActiveClientManager.updatePriorities(pidToPriorityMap); |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 909 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 910 | // Get state for the given cameraId |
| 911 | auto state = getCameraState(cameraId); |
| 912 | if (state == nullptr) { |
| 913 | ALOGE("CameraService::connect X (PID %d) rejected (no camera device with ID %s)", |
| 914 | clientPid, cameraId.string()); |
Zhijun He | b10cdad | 2014-06-16 16:38:35 -0700 | [diff] [blame] | 915 | return BAD_VALUE; |
Zhijun He | b10cdad | 2014-06-16 16:38:35 -0700 | [diff] [blame] | 916 | } |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 917 | |
| 918 | // Make descriptor for incoming client |
| 919 | clientDescriptor = CameraClientManager::makeClientDescriptor(cameraId, |
| 920 | sp<BasicClient>{nullptr}, static_cast<int32_t>(state->getCost()), |
| 921 | state->getConflicting(), |
| 922 | getCameraPriorityFromProcState(priorities[priorities.size() - 1]), clientPid); |
| 923 | |
| 924 | // Find clients that would be evicted |
| 925 | auto evicted = mActiveClientManager.wouldEvict(clientDescriptor); |
| 926 | |
| 927 | // If the incoming client was 'evicted,' higher priority clients have the camera in the |
| 928 | // background, so we cannot do evictions |
| 929 | if (std::find(evicted.begin(), evicted.end(), clientDescriptor) != evicted.end()) { |
| 930 | ALOGE("CameraService::connect X (PID %d) rejected (existing client(s) with higher" |
| 931 | " priority).", clientPid); |
| 932 | |
| 933 | sp<BasicClient> clientSp = clientDescriptor->getValue(); |
| 934 | String8 curTime = getFormattedCurrentTime(); |
| 935 | auto incompatibleClients = |
| 936 | mActiveClientManager.getIncompatibleClients(clientDescriptor); |
| 937 | |
| 938 | String8 msg = String8::format("%s : DENIED connect device %s client for package %s " |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 939 | "(PID %d, priority %d) due to eviction policy", curTime.string(), |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 940 | cameraId.string(), packageName.string(), clientPid, |
| 941 | getCameraPriorityFromProcState(priorities[priorities.size() - 1])); |
| 942 | |
| 943 | for (auto& i : incompatibleClients) { |
| 944 | msg.appendFormat("\n - Blocked by existing device %s client for package %s" |
| 945 | "(PID %" PRId32 ", priority %" PRId32 ")", i->getKey().string(), |
| 946 | String8{i->getValue()->getPackageName()}.string(), i->getOwnerId(), |
| 947 | i->getPriority()); |
| 948 | } |
| 949 | |
| 950 | // Log the client's attempt |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 951 | Mutex::Autolock l(mLogLock); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 952 | mEventLog.add(msg); |
| 953 | |
| 954 | return -EBUSY; |
| 955 | } |
| 956 | |
| 957 | for (auto& i : evicted) { |
| 958 | sp<BasicClient> clientSp = i->getValue(); |
| 959 | if (clientSp.get() == nullptr) { |
| 960 | ALOGE("%s: Invalid state: Null client in active client list.", __FUNCTION__); |
| 961 | |
| 962 | // TODO: Remove this |
| 963 | LOG_ALWAYS_FATAL("%s: Invalid state for CameraService, null client in active list", |
| 964 | __FUNCTION__); |
| 965 | mActiveClientManager.remove(i); |
| 966 | continue; |
| 967 | } |
| 968 | |
| 969 | ALOGE("CameraService::connect evicting conflicting client for camera ID %s", |
| 970 | i->getKey().string()); |
Ruben Brunk | 4f9576b | 2015-04-10 17:26:56 -0700 | [diff] [blame] | 971 | evictedClients.push_back(i); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 972 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 973 | // Log the clients evicted |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 974 | logEvent(String8::format("EVICT device %s client held by package %s (PID" |
| 975 | " %" PRId32 ", priority %" PRId32 ")\n - Evicted by device %s client for" |
| 976 | " package %s (PID %d, priority %" PRId32 ")", |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 977 | i->getKey().string(), String8{clientSp->getPackageName()}.string(), |
| 978 | i->getOwnerId(), i->getPriority(), cameraId.string(), |
| 979 | packageName.string(), clientPid, |
| 980 | getCameraPriorityFromProcState(priorities[priorities.size() - 1]))); |
| 981 | |
| 982 | // Notify the client of disconnection |
| 983 | clientSp->notifyError(ICameraDeviceCallbacks::ERROR_CAMERA_DISCONNECTED, |
| 984 | CaptureResultExtras()); |
Zhijun He | b10cdad | 2014-06-16 16:38:35 -0700 | [diff] [blame] | 985 | } |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 986 | } |
| 987 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 988 | // Do not hold mServiceLock while disconnecting clients, but retain the condition blocking |
| 989 | // other clients from connecting in mServiceLockWrapper if held |
| 990 | mServiceLock.unlock(); |
| 991 | |
| 992 | // Clear caller identity temporarily so client disconnect PID checks work correctly |
| 993 | int64_t token = IPCThreadState::self()->clearCallingIdentity(); |
| 994 | |
| 995 | // Destroy evicted clients |
| 996 | for (auto& i : evictedClients) { |
| 997 | // Disconnect is blocking, and should only have returned when HAL has cleaned up |
Ruben Brunk | 4f9576b | 2015-04-10 17:26:56 -0700 | [diff] [blame] | 998 | i->getValue()->disconnect(); // Clients will remove themselves from the active client list |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 999 | } |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1000 | |
| 1001 | IPCThreadState::self()->restoreCallingIdentity(token); |
| 1002 | |
Ruben Brunk | 4f9576b | 2015-04-10 17:26:56 -0700 | [diff] [blame] | 1003 | for (const auto& i : evictedClients) { |
| 1004 | ALOGV("%s: Waiting for disconnect to complete for client for device %s (PID %" PRId32 ")", |
| 1005 | __FUNCTION__, i->getKey().string(), i->getOwnerId()); |
| 1006 | ret = mActiveClientManager.waitUntilRemoved(i, DEFAULT_DISCONNECT_TIMEOUT_NS); |
| 1007 | if (ret == TIMED_OUT) { |
| 1008 | ALOGE("%s: Timed out waiting for client for device %s to disconnect, " |
| 1009 | "current clients:\n%s", __FUNCTION__, i->getKey().string(), |
| 1010 | mActiveClientManager.toString().string()); |
| 1011 | return -EBUSY; |
| 1012 | } |
| 1013 | if (ret != NO_ERROR) { |
| 1014 | ALOGE("%s: Received error waiting for client for device %s to disconnect: %s (%d), " |
| 1015 | "current clients:\n%s", __FUNCTION__, i->getKey().string(), strerror(-ret), |
| 1016 | ret, mActiveClientManager.toString().string()); |
| 1017 | return ret; |
| 1018 | } |
| 1019 | } |
| 1020 | |
| 1021 | evictedClients.clear(); |
| 1022 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1023 | // Once clients have been disconnected, relock |
| 1024 | mServiceLock.lock(); |
| 1025 | |
| 1026 | // Check again if the device was unplugged or something while we weren't holding mServiceLock |
| 1027 | if ((ret = checkIfDeviceIsUsable(cameraId)) != NO_ERROR) { |
| 1028 | return ret; |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 1029 | } |
| 1030 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1031 | *partial = clientDescriptor; |
| 1032 | return NO_ERROR; |
Ruben Brunk | b2119af | 2014-05-09 19:57:56 -0700 | [diff] [blame] | 1033 | } |
| 1034 | |
Ruben Brunk | 0f61d8f | 2013-08-08 13:07:18 -0700 | [diff] [blame] | 1035 | status_t CameraService::connect( |
Igor Murashkin | e6800ce | 2013-03-04 17:25:57 -0800 | [diff] [blame] | 1036 | const sp<ICameraClient>& cameraClient, |
| 1037 | int cameraId, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1038 | const String16& opPackageName, |
Ruben Brunk | 0f61d8f | 2013-08-08 13:07:18 -0700 | [diff] [blame] | 1039 | int clientUid, |
| 1040 | /*out*/ |
| 1041 | sp<ICamera>& device) { |
Igor Murashkin | e6800ce | 2013-03-04 17:25:57 -0800 | [diff] [blame] | 1042 | |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1043 | const status_t result = checkCameraAccess(opPackageName); |
| 1044 | if (result != NO_ERROR) { |
| 1045 | return result; |
| 1046 | } |
| 1047 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1048 | status_t ret = NO_ERROR; |
| 1049 | String8 id = String8::format("%d", cameraId); |
| 1050 | sp<Client> client = nullptr; |
| 1051 | ret = connectHelper<ICameraClient,Client>(cameraClient, id, CAMERA_HAL_API_VERSION_UNSPECIFIED, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1052 | opPackageName, clientUid, API_1, false, false, /*out*/client); |
Igor Murashkin | e6800ce | 2013-03-04 17:25:57 -0800 | [diff] [blame] | 1053 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1054 | if(ret != NO_ERROR) { |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1055 | logRejected(id, getCallingPid(), String8(opPackageName), |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1056 | String8::format("%s (%d)", strerror(-ret), ret)); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1057 | return ret; |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1058 | } |
| 1059 | |
Ruben Brunk | 0f61d8f | 2013-08-08 13:07:18 -0700 | [diff] [blame] | 1060 | device = client; |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1061 | return NO_ERROR; |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1062 | } |
| 1063 | |
Zhijun He | b10cdad | 2014-06-16 16:38:35 -0700 | [diff] [blame] | 1064 | status_t CameraService::connectLegacy( |
| 1065 | const sp<ICameraClient>& cameraClient, |
| 1066 | int cameraId, int halVersion, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1067 | const String16& opPackageName, |
Zhijun He | b10cdad | 2014-06-16 16:38:35 -0700 | [diff] [blame] | 1068 | int clientUid, |
| 1069 | /*out*/ |
| 1070 | sp<ICamera>& device) { |
| 1071 | |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1072 | const status_t result = checkCameraAccess(opPackageName); |
| 1073 | if (result != NO_ERROR) { |
| 1074 | return result; |
| 1075 | } |
| 1076 | |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1077 | String8 id = String8::format("%d", cameraId); |
Chien-Yu Chen | 676b21b | 2015-02-24 10:28:19 -0800 | [diff] [blame] | 1078 | int apiVersion = mModule->getModuleApiVersion(); |
Igor Murashkin | 3d07d1a | 2014-06-20 11:27:03 -0700 | [diff] [blame] | 1079 | if (halVersion != CAMERA_HAL_API_VERSION_UNSPECIFIED && |
Yin-Chia Yeh | e074a93 | 2015-01-30 10:29:02 -0800 | [diff] [blame] | 1080 | apiVersion < CAMERA_MODULE_API_VERSION_2_3) { |
Igor Murashkin | 3d07d1a | 2014-06-20 11:27:03 -0700 | [diff] [blame] | 1081 | /* |
| 1082 | * Either the HAL version is unspecified in which case this just creates |
| 1083 | * a camera client selected by the latest device version, or |
| 1084 | * it's a particular version in which case the HAL must supported |
| 1085 | * the open_legacy call |
| 1086 | */ |
Zhijun He | b10cdad | 2014-06-16 16:38:35 -0700 | [diff] [blame] | 1087 | ALOGE("%s: camera HAL module version %x doesn't support connecting to legacy HAL devices!", |
Yin-Chia Yeh | e074a93 | 2015-01-30 10:29:02 -0800 | [diff] [blame] | 1088 | __FUNCTION__, apiVersion); |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1089 | logRejected(id, getCallingPid(), String8(opPackageName), |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1090 | String8("HAL module version doesn't support legacy HAL connections")); |
Zhijun He | b10cdad | 2014-06-16 16:38:35 -0700 | [diff] [blame] | 1091 | return INVALID_OPERATION; |
| 1092 | } |
| 1093 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1094 | status_t ret = NO_ERROR; |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1095 | sp<Client> client = nullptr; |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1096 | ret = connectHelper<ICameraClient,Client>(cameraClient, id, halVersion, opPackageName, |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1097 | clientUid, API_1, true, false, /*out*/client); |
Zhijun He | b10cdad | 2014-06-16 16:38:35 -0700 | [diff] [blame] | 1098 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1099 | if(ret != NO_ERROR) { |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1100 | logRejected(id, getCallingPid(), String8(opPackageName), |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1101 | String8::format("%s (%d)", strerror(-ret), ret)); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1102 | return ret; |
Zhijun He | b10cdad | 2014-06-16 16:38:35 -0700 | [diff] [blame] | 1103 | } |
| 1104 | |
Zhijun He | b10cdad | 2014-06-16 16:38:35 -0700 | [diff] [blame] | 1105 | device = client; |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1106 | return NO_ERROR; |
Zhijun He | b10cdad | 2014-06-16 16:38:35 -0700 | [diff] [blame] | 1107 | } |
| 1108 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1109 | status_t CameraService::connectDevice( |
| 1110 | const sp<ICameraDeviceCallbacks>& cameraCb, |
| 1111 | int cameraId, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1112 | const String16& opPackageName, |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1113 | int clientUid, |
| 1114 | /*out*/ |
| 1115 | sp<ICameraDeviceUser>& device) { |
| 1116 | |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1117 | const status_t result = checkCameraAccess(opPackageName); |
| 1118 | if (result != NO_ERROR) { |
| 1119 | return result; |
| 1120 | } |
| 1121 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1122 | status_t ret = NO_ERROR; |
| 1123 | String8 id = String8::format("%d", cameraId); |
| 1124 | sp<CameraDeviceClient> client = nullptr; |
| 1125 | ret = connectHelper<ICameraDeviceCallbacks,CameraDeviceClient>(cameraCb, id, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1126 | CAMERA_HAL_API_VERSION_UNSPECIFIED, opPackageName, clientUid, API_2, false, false, |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1127 | /*out*/client); |
| 1128 | |
| 1129 | if(ret != NO_ERROR) { |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1130 | logRejected(id, getCallingPid(), String8(opPackageName), |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1131 | String8::format("%s (%d)", strerror(-ret), ret)); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1132 | return ret; |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 1133 | } |
| 1134 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1135 | device = client; |
| 1136 | return NO_ERROR; |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 1137 | } |
| 1138 | |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 1139 | status_t CameraService::setTorchMode(const String16& cameraId, bool enabled, |
| 1140 | const sp<IBinder>& clientBinder) { |
| 1141 | if (enabled && clientBinder == NULL) { |
| 1142 | ALOGE("%s: torch client binder is NULL", __FUNCTION__); |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 1143 | return -EINVAL; |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 1144 | } |
| 1145 | |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 1146 | String8 id = String8(cameraId.string()); |
| 1147 | |
| 1148 | // verify id is valid. |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1149 | auto state = getCameraState(id); |
| 1150 | if (state == nullptr) { |
Chien-Yu Chen | f6463fc | 2015-04-07 15:11:31 -0700 | [diff] [blame] | 1151 | ALOGE("%s: camera id is invalid %s", __FUNCTION__, id.string()); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1152 | return -EINVAL; |
| 1153 | } |
| 1154 | |
| 1155 | ICameraServiceListener::Status cameraStatus = state->getStatus(); |
| 1156 | if (cameraStatus != ICameraServiceListener::STATUS_PRESENT && |
| 1157 | cameraStatus != ICameraServiceListener::STATUS_NOT_AVAILABLE) { |
Chien-Yu Chen | f6463fc | 2015-04-07 15:11:31 -0700 | [diff] [blame] | 1158 | ALOGE("%s: camera id is invalid %s", __FUNCTION__, id.string()); |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 1159 | return -EINVAL; |
| 1160 | } |
| 1161 | |
| 1162 | { |
| 1163 | Mutex::Autolock al(mTorchStatusMutex); |
| 1164 | ICameraServiceListener::TorchStatus status; |
| 1165 | status_t res = getTorchStatusLocked(id, &status); |
| 1166 | if (res) { |
| 1167 | ALOGE("%s: getting current torch status failed for camera %s", |
| 1168 | __FUNCTION__, id.string()); |
| 1169 | return -EINVAL; |
| 1170 | } |
| 1171 | |
| 1172 | if (status == ICameraServiceListener::TORCH_STATUS_NOT_AVAILABLE) { |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1173 | if (cameraStatus == ICameraServiceListener::STATUS_NOT_AVAILABLE) { |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 1174 | ALOGE("%s: torch mode of camera %s is not available because " |
| 1175 | "camera is in use", __FUNCTION__, id.string()); |
| 1176 | return -EBUSY; |
| 1177 | } else { |
| 1178 | ALOGE("%s: torch mode of camera %s is not available due to " |
| 1179 | "insufficient resources", __FUNCTION__, id.string()); |
| 1180 | return -EUSERS; |
| 1181 | } |
| 1182 | } |
| 1183 | } |
| 1184 | |
| 1185 | status_t res = mFlashlight->setTorchMode(id, enabled); |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 1186 | if (res) { |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 1187 | ALOGE("%s: setting torch mode of camera %s to %d failed. %s (%d)", |
| 1188 | __FUNCTION__, id.string(), enabled, strerror(-res), res); |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 1189 | return res; |
| 1190 | } |
| 1191 | |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 1192 | { |
| 1193 | // update the link to client's death |
| 1194 | Mutex::Autolock al(mTorchClientMapMutex); |
| 1195 | ssize_t index = mTorchClientMap.indexOfKey(id); |
| 1196 | if (enabled) { |
| 1197 | if (index == NAME_NOT_FOUND) { |
| 1198 | mTorchClientMap.add(id, clientBinder); |
| 1199 | } else { |
| 1200 | const sp<IBinder> oldBinder = mTorchClientMap.valueAt(index); |
| 1201 | oldBinder->unlinkToDeath(this); |
| 1202 | |
| 1203 | mTorchClientMap.replaceValueAt(index, clientBinder); |
| 1204 | } |
| 1205 | clientBinder->linkToDeath(this); |
| 1206 | } else if (index != NAME_NOT_FOUND) { |
| 1207 | sp<IBinder> oldBinder = mTorchClientMap.valueAt(index); |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 1208 | oldBinder->unlinkToDeath(this); |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 1209 | } |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 1210 | } |
| 1211 | |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 1212 | return OK; |
| 1213 | } |
| 1214 | |
Ruben Brunk | 36597b2 | 2015-03-20 22:15:57 -0700 | [diff] [blame] | 1215 | void CameraService::notifySystemEvent(int eventId, int arg0) { |
| 1216 | switch(eventId) { |
| 1217 | case ICameraService::USER_SWITCHED: { |
| 1218 | doUserSwitch(/*newUserId*/arg0); |
| 1219 | break; |
| 1220 | } |
| 1221 | case ICameraService::NO_EVENT: |
| 1222 | default: { |
| 1223 | ALOGW("%s: Received invalid system event from system_server: %d", __FUNCTION__, |
| 1224 | eventId); |
| 1225 | break; |
| 1226 | } |
| 1227 | } |
| 1228 | } |
| 1229 | |
Igor Murashkin | bfc9915 | 2013-02-27 12:55:20 -0800 | [diff] [blame] | 1230 | status_t CameraService::addListener( |
| 1231 | const sp<ICameraServiceListener>& listener) { |
| 1232 | ALOGV("%s: Add listener %p", __FUNCTION__, listener.get()); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1233 | |
Igor Murashkin | bd3e2e0 | 2014-03-17 13:01:41 -0700 | [diff] [blame] | 1234 | if (listener == 0) { |
| 1235 | ALOGE("%s: Listener must not be null", __FUNCTION__); |
| 1236 | return BAD_VALUE; |
| 1237 | } |
| 1238 | |
Igor Murashkin | bfc9915 | 2013-02-27 12:55:20 -0800 | [diff] [blame] | 1239 | Mutex::Autolock lock(mServiceLock); |
| 1240 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1241 | { |
| 1242 | Mutex::Autolock lock(mStatusListenerLock); |
| 1243 | for (auto& it : mListenerList) { |
| 1244 | if (IInterface::asBinder(it) == IInterface::asBinder(listener)) { |
| 1245 | ALOGW("%s: Tried to add listener %p which was already subscribed", |
| 1246 | __FUNCTION__, listener.get()); |
| 1247 | return ALREADY_EXISTS; |
| 1248 | } |
Igor Murashkin | bfc9915 | 2013-02-27 12:55:20 -0800 | [diff] [blame] | 1249 | } |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1250 | |
| 1251 | mListenerList.push_back(listener); |
Igor Murashkin | bfc9915 | 2013-02-27 12:55:20 -0800 | [diff] [blame] | 1252 | } |
| 1253 | |
Igor Murashkin | bfc9915 | 2013-02-27 12:55:20 -0800 | [diff] [blame] | 1254 | |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 1255 | /* Immediately signal current status to this listener only */ |
| 1256 | { |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1257 | Mutex::Autolock lock(mCameraStatesLock); |
| 1258 | for (auto& i : mCameraStates) { |
| 1259 | // TODO: Update binder to use String16 for camera IDs and remove; |
| 1260 | int id = cameraIdToInt(i.first); |
| 1261 | if (id == -1) continue; |
| 1262 | |
| 1263 | listener->onStatusChanged(i.second->getStatus(), id); |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 1264 | } |
| 1265 | } |
| 1266 | |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 1267 | /* Immediately signal current torch status to this listener only */ |
| 1268 | { |
| 1269 | Mutex::Autolock al(mTorchStatusMutex); |
| 1270 | for (size_t i = 0; i < mTorchStatusMap.size(); i++ ) { |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 1271 | String16 id = String16(mTorchStatusMap.keyAt(i).string()); |
| 1272 | listener->onTorchStatusChanged(mTorchStatusMap.valueAt(i), id); |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 1273 | } |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 1274 | } |
| 1275 | |
Igor Murashkin | bfc9915 | 2013-02-27 12:55:20 -0800 | [diff] [blame] | 1276 | return OK; |
| 1277 | } |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1278 | |
| 1279 | status_t CameraService::removeListener(const sp<ICameraServiceListener>& listener) { |
Igor Murashkin | bfc9915 | 2013-02-27 12:55:20 -0800 | [diff] [blame] | 1280 | ALOGV("%s: Remove listener %p", __FUNCTION__, listener.get()); |
| 1281 | |
Igor Murashkin | bd3e2e0 | 2014-03-17 13:01:41 -0700 | [diff] [blame] | 1282 | if (listener == 0) { |
| 1283 | ALOGE("%s: Listener must not be null", __FUNCTION__); |
| 1284 | return BAD_VALUE; |
| 1285 | } |
| 1286 | |
Igor Murashkin | bfc9915 | 2013-02-27 12:55:20 -0800 | [diff] [blame] | 1287 | Mutex::Autolock lock(mServiceLock); |
| 1288 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1289 | { |
| 1290 | Mutex::Autolock lock(mStatusListenerLock); |
| 1291 | for (auto it = mListenerList.begin(); it != mListenerList.end(); it++) { |
| 1292 | if (IInterface::asBinder(*it) == IInterface::asBinder(listener)) { |
| 1293 | mListenerList.erase(it); |
| 1294 | return OK; |
| 1295 | } |
Igor Murashkin | bfc9915 | 2013-02-27 12:55:20 -0800 | [diff] [blame] | 1296 | } |
| 1297 | } |
| 1298 | |
| 1299 | ALOGW("%s: Tried to remove a listener %p which was not subscribed", |
| 1300 | __FUNCTION__, listener.get()); |
| 1301 | |
| 1302 | return BAD_VALUE; |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1303 | } |
| 1304 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1305 | status_t CameraService::getLegacyParameters(int cameraId, /*out*/String16* parameters) { |
Igor Murashkin | 65d14b9 | 2014-06-17 12:03:20 -0700 | [diff] [blame] | 1306 | ALOGV("%s: for camera ID = %d", __FUNCTION__, cameraId); |
| 1307 | |
| 1308 | if (parameters == NULL) { |
| 1309 | ALOGE("%s: parameters must not be null", __FUNCTION__); |
| 1310 | return BAD_VALUE; |
| 1311 | } |
| 1312 | |
| 1313 | status_t ret = 0; |
| 1314 | |
| 1315 | CameraParameters shimParams; |
| 1316 | if ((ret = getLegacyParametersLazy(cameraId, /*out*/&shimParams)) != OK) { |
| 1317 | // Error logged by caller |
| 1318 | return ret; |
| 1319 | } |
| 1320 | |
| 1321 | String8 shimParamsString8 = shimParams.flatten(); |
| 1322 | String16 shimParamsString16 = String16(shimParamsString8); |
| 1323 | |
| 1324 | *parameters = shimParamsString16; |
| 1325 | |
| 1326 | return OK; |
| 1327 | } |
| 1328 | |
| 1329 | status_t CameraService::supportsCameraApi(int cameraId, int apiVersion) { |
| 1330 | ALOGV("%s: for camera ID = %d", __FUNCTION__, cameraId); |
| 1331 | |
| 1332 | switch (apiVersion) { |
| 1333 | case API_VERSION_1: |
| 1334 | case API_VERSION_2: |
| 1335 | break; |
| 1336 | default: |
| 1337 | ALOGE("%s: Bad API version %d", __FUNCTION__, apiVersion); |
| 1338 | return BAD_VALUE; |
| 1339 | } |
| 1340 | |
| 1341 | int facing = -1; |
| 1342 | int deviceVersion = getDeviceVersion(cameraId, &facing); |
| 1343 | |
| 1344 | switch(deviceVersion) { |
| 1345 | case CAMERA_DEVICE_API_VERSION_1_0: |
| 1346 | case CAMERA_DEVICE_API_VERSION_2_0: |
| 1347 | case CAMERA_DEVICE_API_VERSION_2_1: |
| 1348 | case CAMERA_DEVICE_API_VERSION_3_0: |
| 1349 | case CAMERA_DEVICE_API_VERSION_3_1: |
| 1350 | if (apiVersion == API_VERSION_2) { |
| 1351 | ALOGV("%s: Camera id %d uses HAL prior to HAL3.2, doesn't support api2 without shim", |
| 1352 | __FUNCTION__, cameraId); |
| 1353 | return -EOPNOTSUPP; |
| 1354 | } else { // if (apiVersion == API_VERSION_1) { |
| 1355 | ALOGV("%s: Camera id %d uses older HAL before 3.2, but api1 is always supported", |
| 1356 | __FUNCTION__, cameraId); |
| 1357 | return OK; |
| 1358 | } |
| 1359 | case CAMERA_DEVICE_API_VERSION_3_2: |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1360 | case CAMERA_DEVICE_API_VERSION_3_3: |
Igor Murashkin | 65d14b9 | 2014-06-17 12:03:20 -0700 | [diff] [blame] | 1361 | ALOGV("%s: Camera id %d uses HAL3.2 or newer, supports api1/api2 directly", |
| 1362 | __FUNCTION__, cameraId); |
| 1363 | return OK; |
| 1364 | case -1: |
| 1365 | ALOGE("%s: Invalid camera id %d", __FUNCTION__, cameraId); |
| 1366 | return BAD_VALUE; |
| 1367 | default: |
| 1368 | ALOGE("%s: Unknown camera device HAL version: %d", __FUNCTION__, deviceVersion); |
| 1369 | return INVALID_OPERATION; |
| 1370 | } |
| 1371 | |
| 1372 | return OK; |
| 1373 | } |
| 1374 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1375 | void CameraService::removeByClient(const BasicClient* client) { |
Igor Murashkin | ecf17e8 | 2012-10-02 16:05:11 -0700 | [diff] [blame] | 1376 | Mutex::Autolock lock(mServiceLock); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1377 | for (auto& i : mActiveClientManager.getAll()) { |
| 1378 | auto clientSp = i->getValue(); |
| 1379 | if (clientSp.get() == client) { |
| 1380 | mActiveClientManager.remove(i); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1381 | } |
Igor Murashkin | ecf17e8 | 2012-10-02 16:05:11 -0700 | [diff] [blame] | 1382 | } |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1383 | } |
| 1384 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1385 | bool CameraService::evictClientIdByRemote(const wp<IBinder>& remote) { |
| 1386 | const int callingPid = getCallingPid(); |
| 1387 | const int servicePid = getpid(); |
| 1388 | bool ret = false; |
| 1389 | { |
| 1390 | // Acquire mServiceLock and prevent other clients from connecting |
| 1391 | std::unique_ptr<AutoConditionLock> lock = |
| 1392 | AutoConditionLock::waitAndAcquire(mServiceLockWrapper); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1393 | |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1394 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1395 | std::vector<sp<BasicClient>> evicted; |
| 1396 | for (auto& i : mActiveClientManager.getAll()) { |
| 1397 | auto clientSp = i->getValue(); |
| 1398 | if (clientSp.get() == nullptr) { |
| 1399 | ALOGE("%s: Dead client still in mActiveClientManager.", __FUNCTION__); |
| 1400 | mActiveClientManager.remove(i); |
| 1401 | continue; |
| 1402 | } |
| 1403 | if (remote == clientSp->getRemote() && (callingPid == servicePid || |
| 1404 | callingPid == clientSp->getClientPid())) { |
| 1405 | mActiveClientManager.remove(i); |
| 1406 | evicted.push_back(clientSp); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1407 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1408 | // Notify the client of disconnection |
| 1409 | clientSp->notifyError(ICameraDeviceCallbacks::ERROR_CAMERA_DISCONNECTED, |
| 1410 | CaptureResultExtras()); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1411 | } |
| 1412 | } |
| 1413 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1414 | // Do not hold mServiceLock while disconnecting clients, but retain the condition blocking |
| 1415 | // other clients from connecting in mServiceLockWrapper if held |
| 1416 | mServiceLock.unlock(); |
| 1417 | |
Ruben Brunk | 36597b2 | 2015-03-20 22:15:57 -0700 | [diff] [blame] | 1418 | // Do not clear caller identity, remote caller should be client proccess |
| 1419 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1420 | for (auto& i : evicted) { |
| 1421 | if (i.get() != nullptr) { |
| 1422 | i->disconnect(); |
| 1423 | ret = true; |
| 1424 | } |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1425 | } |
| 1426 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1427 | // Reacquire mServiceLock |
| 1428 | mServiceLock.lock(); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1429 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1430 | } // lock is destroyed, allow further connect calls |
| 1431 | |
| 1432 | return ret; |
Igor Murashkin | ecf17e8 | 2012-10-02 16:05:11 -0700 | [diff] [blame] | 1433 | } |
| 1434 | |
Igor Murashkin | ecf17e8 | 2012-10-02 16:05:11 -0700 | [diff] [blame] | 1435 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1436 | std::shared_ptr<CameraService::CameraState> CameraService::getCameraState( |
| 1437 | const String8& cameraId) const { |
| 1438 | std::shared_ptr<CameraState> state; |
| 1439 | { |
| 1440 | Mutex::Autolock lock(mCameraStatesLock); |
| 1441 | auto iter = mCameraStates.find(cameraId); |
| 1442 | if (iter != mCameraStates.end()) { |
| 1443 | state = iter->second; |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1444 | } |
| 1445 | } |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1446 | return state; |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1447 | } |
| 1448 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1449 | sp<CameraService::BasicClient> CameraService::removeClientLocked(const String8& cameraId) { |
| 1450 | // Remove from active clients list |
| 1451 | auto clientDescriptorPtr = mActiveClientManager.remove(cameraId); |
| 1452 | if (clientDescriptorPtr == nullptr) { |
| 1453 | ALOGW("%s: Could not evict client, no client for camera ID %s", __FUNCTION__, |
| 1454 | cameraId.string()); |
| 1455 | return sp<BasicClient>{nullptr}; |
| 1456 | } |
| 1457 | |
| 1458 | return clientDescriptorPtr->getValue(); |
Keun young Park | d8973a7 | 2012-03-28 14:13:09 -0700 | [diff] [blame] | 1459 | } |
| 1460 | |
Ruben Brunk | 36597b2 | 2015-03-20 22:15:57 -0700 | [diff] [blame] | 1461 | void CameraService::doUserSwitch(int newUserId) { |
| 1462 | // Acquire mServiceLock and prevent other clients from connecting |
| 1463 | std::unique_ptr<AutoConditionLock> lock = |
| 1464 | AutoConditionLock::waitAndAcquire(mServiceLockWrapper); |
| 1465 | |
| 1466 | if (newUserId <= 0) { |
| 1467 | ALOGW("%s: Bad user ID %d given during user switch, resetting to default.", __FUNCTION__, |
| 1468 | newUserId); |
| 1469 | newUserId = DEFAULT_LAST_USER_ID; |
| 1470 | } |
| 1471 | |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1472 | logUserSwitch(mLastUserId, newUserId); |
| 1473 | |
Ruben Brunk | 36597b2 | 2015-03-20 22:15:57 -0700 | [diff] [blame] | 1474 | mLastUserId = newUserId; |
| 1475 | |
| 1476 | // Current user has switched, evict all current clients. |
| 1477 | std::vector<sp<BasicClient>> evicted; |
| 1478 | for (auto& i : mActiveClientManager.getAll()) { |
| 1479 | auto clientSp = i->getValue(); |
| 1480 | |
| 1481 | if (clientSp.get() == nullptr) { |
| 1482 | ALOGE("%s: Dead client still in mActiveClientManager.", __FUNCTION__); |
| 1483 | continue; |
| 1484 | } |
| 1485 | |
| 1486 | evicted.push_back(clientSp); |
| 1487 | |
| 1488 | String8 curTime = getFormattedCurrentTime(); |
| 1489 | |
| 1490 | ALOGE("Evicting conflicting client for camera ID %s due to user change", |
| 1491 | i->getKey().string()); |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1492 | |
Ruben Brunk | 36597b2 | 2015-03-20 22:15:57 -0700 | [diff] [blame] | 1493 | // Log the clients evicted |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1494 | logEvent(String8::format("EVICT device %s client held by package %s (PID %" |
Ruben Brunk | 36597b2 | 2015-03-20 22:15:57 -0700 | [diff] [blame] | 1495 | PRId32 ", priority %" PRId32 ")\n - Evicted due to user switch.", |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1496 | i->getKey().string(), String8{clientSp->getPackageName()}.string(), |
| 1497 | i->getOwnerId(), i->getPriority())); |
Ruben Brunk | 36597b2 | 2015-03-20 22:15:57 -0700 | [diff] [blame] | 1498 | |
| 1499 | } |
| 1500 | |
| 1501 | // Do not hold mServiceLock while disconnecting clients, but retain the condition |
| 1502 | // blocking other clients from connecting in mServiceLockWrapper if held. |
| 1503 | mServiceLock.unlock(); |
| 1504 | |
| 1505 | // Clear caller identity temporarily so client disconnect PID checks work correctly |
| 1506 | int64_t token = IPCThreadState::self()->clearCallingIdentity(); |
| 1507 | |
| 1508 | for (auto& i : evicted) { |
| 1509 | i->disconnect(); |
| 1510 | } |
| 1511 | |
| 1512 | IPCThreadState::self()->restoreCallingIdentity(token); |
| 1513 | |
| 1514 | // Reacquire mServiceLock |
| 1515 | mServiceLock.lock(); |
| 1516 | } |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1517 | |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1518 | void CameraService::logEvent(const char* event) { |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1519 | String8 curTime = getFormattedCurrentTime(); |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1520 | Mutex::Autolock l(mLogLock); |
| 1521 | mEventLog.add(String8::format("%s : %s", curTime.string(), event)); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1522 | } |
| 1523 | |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1524 | void CameraService::logDisconnected(const char* cameraId, int clientPid, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1525 | const char* opPackageName) { |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1526 | // Log the clients evicted |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1527 | logEvent(String8::format("DISCONNECT device %s client for package %s (PID %d)", cameraId, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1528 | opPackageName, clientPid)); |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1529 | } |
| 1530 | |
| 1531 | void CameraService::logConnected(const char* cameraId, int clientPid, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1532 | const char* opPackageName) { |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1533 | // Log the clients evicted |
| 1534 | logEvent(String8::format("CONNECT device %s client for package %s (PID %d)", cameraId, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1535 | opPackageName, clientPid)); |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1536 | } |
| 1537 | |
| 1538 | void CameraService::logRejected(const char* cameraId, int clientPid, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1539 | const char* opPackageName, const char* reason) { |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1540 | // Log the client rejected |
| 1541 | logEvent(String8::format("REJECT device %s client for package %s (PID %d), reason: (%s)", |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1542 | cameraId, opPackageName, clientPid, reason)); |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 1543 | } |
| 1544 | |
| 1545 | void CameraService::logUserSwitch(int oldUserId, int newUserId) { |
| 1546 | // Log the new and old users |
| 1547 | logEvent(String8::format("USER_SWITCH from old user: %d , to new user: %d", oldUserId, |
| 1548 | newUserId)); |
| 1549 | } |
| 1550 | |
| 1551 | void CameraService::logDeviceRemoved(const char* cameraId, const char* reason) { |
| 1552 | // Log the device removal |
| 1553 | logEvent(String8::format("REMOVE device %s, reason: (%s)", cameraId, reason)); |
| 1554 | } |
| 1555 | |
| 1556 | void CameraService::logDeviceAdded(const char* cameraId, const char* reason) { |
| 1557 | // Log the device removal |
| 1558 | logEvent(String8::format("ADD device %s, reason: (%s)", cameraId, reason)); |
| 1559 | } |
| 1560 | |
| 1561 | void CameraService::logClientDied(int clientPid, const char* reason) { |
| 1562 | // Log the device removal |
| 1563 | logEvent(String8::format("DIED client(s) with PID %d, reason: (%s)", clientPid, reason)); |
Igor Murashkin | ecf17e8 | 2012-10-02 16:05:11 -0700 | [diff] [blame] | 1564 | } |
| 1565 | |
Eino-Ville Talvala | 1527f07 | 2015-04-07 15:55:31 -0700 | [diff] [blame] | 1566 | void CameraService::logServiceError(const char* msg, int errorCode) { |
| 1567 | String8 curTime = getFormattedCurrentTime(); |
| 1568 | logEvent(String8::format("SERVICE ERROR: %s : %d (%s)", msg, errorCode, strerror(errorCode))); |
| 1569 | } |
| 1570 | |
Ruben Brunk | 36597b2 | 2015-03-20 22:15:57 -0700 | [diff] [blame] | 1571 | status_t CameraService::onTransact(uint32_t code, const Parcel& data, Parcel* reply, |
| 1572 | uint32_t flags) { |
| 1573 | |
| 1574 | const int pid = getCallingPid(); |
| 1575 | const int selfPid = getpid(); |
| 1576 | |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1577 | // Permission checks |
| 1578 | switch (code) { |
Ruben Brunk | 36597b2 | 2015-03-20 22:15:57 -0700 | [diff] [blame] | 1579 | case BnCameraService::NOTIFY_SYSTEM_EVENT: { |
| 1580 | if (pid != selfPid) { |
| 1581 | // Ensure we're being called by system_server, or similar process with |
| 1582 | // permissions to notify the camera service about system events |
| 1583 | if (!checkCallingPermission( |
| 1584 | String16("android.permission.CAMERA_SEND_SYSTEM_EVENTS"))) { |
| 1585 | const int uid = getCallingUid(); |
| 1586 | ALOGE("Permission Denial: cannot send updates to camera service about system" |
| 1587 | " events from pid=%d, uid=%d", pid, uid); |
| 1588 | return PERMISSION_DENIED; |
| 1589 | } |
| 1590 | } |
| 1591 | break; |
| 1592 | } |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1593 | } |
| 1594 | |
| 1595 | return BnCameraService::onTransact(code, data, reply, flags); |
| 1596 | } |
| 1597 | |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1598 | status_t CameraService::checkCameraAccess(const String16& opPackageName) { |
| 1599 | const int pid = getCallingPid(); |
| 1600 | |
| 1601 | if (pid == getpid()) { |
| 1602 | return NO_ERROR; |
| 1603 | } |
| 1604 | |
| 1605 | const int uid = getCallingUid(); |
| 1606 | |
| 1607 | if (!checkCallingPermission(String16("android.permission.CAMERA"))) { |
| 1608 | ALOGE("Permission Denial: can't use the camera pid=%d, uid=%d", pid, uid); |
| 1609 | return PERMISSION_DENIED; |
| 1610 | } |
| 1611 | |
| 1612 | AppOpsManager appOps; |
| 1613 | const int32_t result = appOps.noteOp(AppOpsManager::OP_CAMERA, uid, opPackageName); |
| 1614 | |
| 1615 | switch (result) { |
| 1616 | case AppOpsManager::MODE_ERRORED: { |
| 1617 | ALOGE("App op OP_CAMERA errored: can't use the camera pid=%d, uid=%d", pid, uid); |
| 1618 | return PERMISSION_DENIED; |
| 1619 | } break; |
| 1620 | |
| 1621 | case AppOpsManager::MODE_IGNORED: { |
| 1622 | ALOGE("App op OP_CAMERA ignored: can't use the camera pid=%d, uid=%d", pid, uid); |
| 1623 | return INVALID_OPERATION; |
| 1624 | } break; |
| 1625 | } |
| 1626 | |
| 1627 | return NO_ERROR; |
| 1628 | } |
| 1629 | |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1630 | // We share the media players for shutter and recording sound for all clients. |
| 1631 | // A reference count is kept to determine when we will actually release the |
| 1632 | // media players. |
| 1633 | |
Chih-Chung Chang | ff4f55c | 2011-10-17 19:03:12 +0800 | [diff] [blame] | 1634 | MediaPlayer* CameraService::newMediaPlayer(const char *file) { |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1635 | MediaPlayer* mp = new MediaPlayer(); |
Andreas Huber | 1b86fe0 | 2014-01-29 11:13:26 -0800 | [diff] [blame] | 1636 | if (mp->setDataSource(NULL /* httpService */, file, NULL) == NO_ERROR) { |
Eino-Ville Talvala | 60a78ac | 2012-01-05 15:34:53 -0800 | [diff] [blame] | 1637 | mp->setAudioStreamType(AUDIO_STREAM_ENFORCED_AUDIBLE); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1638 | mp->prepare(); |
| 1639 | } else { |
Steve Block | 29357bc | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 1640 | ALOGE("Failed to load CameraService sounds: %s", file); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1641 | return NULL; |
| 1642 | } |
| 1643 | return mp; |
| 1644 | } |
| 1645 | |
| 1646 | void CameraService::loadSound() { |
| 1647 | Mutex::Autolock lock(mSoundLock); |
| 1648 | LOG1("CameraService::loadSound ref=%d", mSoundRef); |
| 1649 | if (mSoundRef++) return; |
| 1650 | |
| 1651 | mSoundPlayer[SOUND_SHUTTER] = newMediaPlayer("/system/media/audio/ui/camera_click.ogg"); |
| 1652 | mSoundPlayer[SOUND_RECORDING] = newMediaPlayer("/system/media/audio/ui/VideoRecord.ogg"); |
| 1653 | } |
| 1654 | |
| 1655 | void CameraService::releaseSound() { |
| 1656 | Mutex::Autolock lock(mSoundLock); |
| 1657 | LOG1("CameraService::releaseSound ref=%d", mSoundRef); |
| 1658 | if (--mSoundRef) return; |
| 1659 | |
| 1660 | for (int i = 0; i < NUM_SOUNDS; i++) { |
| 1661 | if (mSoundPlayer[i] != 0) { |
| 1662 | mSoundPlayer[i]->disconnect(); |
| 1663 | mSoundPlayer[i].clear(); |
| 1664 | } |
| 1665 | } |
| 1666 | } |
| 1667 | |
| 1668 | void CameraService::playSound(sound_kind kind) { |
| 1669 | LOG1("playSound(%d)", kind); |
| 1670 | Mutex::Autolock lock(mSoundLock); |
| 1671 | sp<MediaPlayer> player = mSoundPlayer[kind]; |
| 1672 | if (player != 0) { |
Chih-Chung Chang | 8888a75 | 2011-10-20 10:47:26 +0800 | [diff] [blame] | 1673 | player->seekTo(0); |
| 1674 | player->start(); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1675 | } |
| 1676 | } |
| 1677 | |
| 1678 | // ---------------------------------------------------------------------------- |
| 1679 | |
| 1680 | CameraService::Client::Client(const sp<CameraService>& cameraService, |
Wu-cheng Li | b7a6794 | 2010-08-17 15:45:37 -0700 | [diff] [blame] | 1681 | const sp<ICameraClient>& cameraClient, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1682 | const String16& opPackageName, |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1683 | int cameraId, int cameraFacing, |
| 1684 | int clientPid, uid_t clientUid, |
| 1685 | int servicePid) : |
Eino-Ville Talvala | e992e75 | 2014-11-07 16:17:48 -0800 | [diff] [blame] | 1686 | CameraService::BasicClient(cameraService, |
Marco Nelissen | f888020 | 2014-11-14 07:58:25 -0800 | [diff] [blame] | 1687 | IInterface::asBinder(cameraClient), |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1688 | opPackageName, |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1689 | cameraId, cameraFacing, |
| 1690 | clientPid, clientUid, |
| 1691 | servicePid) |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1692 | { |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1693 | int callingPid = getCallingPid(); |
Wu-cheng Li | 2fd2440 | 2012-02-23 19:01:00 -0800 | [diff] [blame] | 1694 | LOG1("Client::Client E (pid %d, id %d)", callingPid, cameraId); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1695 | |
Igor Murashkin | 44cfcf0 | 2013-03-01 16:22:28 -0800 | [diff] [blame] | 1696 | mRemoteCallback = cameraClient; |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1697 | |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1698 | cameraService->loadSound(); |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1699 | |
Wu-cheng Li | 2fd2440 | 2012-02-23 19:01:00 -0800 | [diff] [blame] | 1700 | LOG1("Client::Client X (pid %d, id %d)", callingPid, cameraId); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1701 | } |
| 1702 | |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1703 | // tear down the client |
| 1704 | CameraService::Client::~Client() { |
Eino-Ville Talvala | d09801b | 2013-04-23 15:16:57 -0700 | [diff] [blame] | 1705 | ALOGV("~Client"); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1706 | mDestructionStarted = true; |
| 1707 | |
Eino-Ville Talvala | f69c70d | 2012-05-20 15:59:14 -0700 | [diff] [blame] | 1708 | mCameraService->releaseSound(); |
Igor Murashkin | 036bc3e | 2012-10-08 15:09:46 -0700 | [diff] [blame] | 1709 | // unconditionally disconnect. function is idempotent |
| 1710 | Client::disconnect(); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1711 | } |
| 1712 | |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1713 | CameraService::BasicClient::BasicClient(const sp<CameraService>& cameraService, |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1714 | const sp<IBinder>& remoteCallback, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1715 | const String16& opPackageName, |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1716 | int cameraId, int cameraFacing, |
| 1717 | int clientPid, uid_t clientUid, |
| 1718 | int servicePid): |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1719 | mOpPackageName(opPackageName), mDisconnected(false) |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1720 | { |
| 1721 | mCameraService = cameraService; |
Igor Murashkin | 44cfcf0 | 2013-03-01 16:22:28 -0800 | [diff] [blame] | 1722 | mRemoteBinder = remoteCallback; |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1723 | mCameraId = cameraId; |
| 1724 | mCameraFacing = cameraFacing; |
| 1725 | mClientPid = clientPid; |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1726 | mClientUid = clientUid; |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1727 | mServicePid = servicePid; |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1728 | mOpsActive = false; |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1729 | mDestructionStarted = false; |
| 1730 | } |
| 1731 | |
| 1732 | CameraService::BasicClient::~BasicClient() { |
Eino-Ville Talvala | d09801b | 2013-04-23 15:16:57 -0700 | [diff] [blame] | 1733 | ALOGV("~BasicClient"); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1734 | mDestructionStarted = true; |
| 1735 | } |
| 1736 | |
| 1737 | void CameraService::BasicClient::disconnect() { |
Ruben Brunk | 36597b2 | 2015-03-20 22:15:57 -0700 | [diff] [blame] | 1738 | if (mDisconnected) { |
| 1739 | ALOGE("%s: Disconnect called on already disconnected client for device %d", __FUNCTION__, |
| 1740 | mCameraId); |
| 1741 | return; |
| 1742 | } |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1743 | mDisconnected = true;; |
| 1744 | |
| 1745 | mCameraService->removeByClient(this); |
| 1746 | mCameraService->logDisconnected(String8::format("%d", mCameraId), mClientPid, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1747 | String8(mOpPackageName)); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1748 | |
| 1749 | sp<IBinder> remote = getRemote(); |
| 1750 | if (remote != nullptr) { |
| 1751 | remote->unlinkToDeath(mCameraService); |
| 1752 | } |
Eino-Ville Talvala | f67e23e | 2014-07-23 17:17:59 -0700 | [diff] [blame] | 1753 | |
| 1754 | finishCameraOps(); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1755 | ALOGI("%s: Disconnected client for camera %d for PID %d", __FUNCTION__, mCameraId, mClientPid); |
| 1756 | |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 1757 | // client shouldn't be able to call into us anymore |
| 1758 | mClientPid = 0; |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1759 | } |
| 1760 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1761 | String16 CameraService::BasicClient::getPackageName() const { |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1762 | return mOpPackageName; |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1763 | } |
| 1764 | |
| 1765 | |
| 1766 | int CameraService::BasicClient::getClientPid() const { |
| 1767 | return mClientPid; |
| 1768 | } |
| 1769 | |
Ruben Brunk | 0bbf8b2 | 2015-04-30 14:35:42 -0700 | [diff] [blame] | 1770 | bool CameraService::BasicClient::canCastToApiClient(apiLevel level) const { |
| 1771 | // Defaults to API2. |
| 1772 | return level == API_2; |
| 1773 | } |
| 1774 | |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1775 | status_t CameraService::BasicClient::startCameraOps() { |
| 1776 | int32_t res; |
Eino-Ville Talvala | f67e23e | 2014-07-23 17:17:59 -0700 | [diff] [blame] | 1777 | // Notify app ops that the camera is not available |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1778 | mOpsCallback = new OpsCallback(this); |
| 1779 | |
Igor Murashkin | e6800ce | 2013-03-04 17:25:57 -0800 | [diff] [blame] | 1780 | { |
| 1781 | ALOGV("%s: Start camera ops, package name = %s, client UID = %d", |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1782 | __FUNCTION__, String8(mOpPackageName).string(), mClientUid); |
Igor Murashkin | e6800ce | 2013-03-04 17:25:57 -0800 | [diff] [blame] | 1783 | } |
| 1784 | |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1785 | mAppOpsManager.startWatchingMode(AppOpsManager::OP_CAMERA, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1786 | mOpPackageName, mOpsCallback); |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1787 | res = mAppOpsManager.startOp(AppOpsManager::OP_CAMERA, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1788 | mClientUid, mOpPackageName); |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1789 | |
| 1790 | if (res != AppOpsManager::MODE_ALLOWED) { |
| 1791 | ALOGI("Camera %d: Access for \"%s\" has been revoked", |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1792 | mCameraId, String8(mOpPackageName).string()); |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1793 | return PERMISSION_DENIED; |
| 1794 | } |
Eino-Ville Talvala | f67e23e | 2014-07-23 17:17:59 -0700 | [diff] [blame] | 1795 | |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1796 | mOpsActive = true; |
Eino-Ville Talvala | f67e23e | 2014-07-23 17:17:59 -0700 | [diff] [blame] | 1797 | |
| 1798 | // Transition device availability listeners from PRESENT -> NOT_AVAILABLE |
| 1799 | mCameraService->updateStatus(ICameraServiceListener::STATUS_NOT_AVAILABLE, |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1800 | String8::format("%d", mCameraId)); |
Eino-Ville Talvala | f67e23e | 2014-07-23 17:17:59 -0700 | [diff] [blame] | 1801 | |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1802 | return OK; |
| 1803 | } |
| 1804 | |
| 1805 | status_t CameraService::BasicClient::finishCameraOps() { |
Eino-Ville Talvala | f67e23e | 2014-07-23 17:17:59 -0700 | [diff] [blame] | 1806 | // Check if startCameraOps succeeded, and if so, finish the camera op |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1807 | if (mOpsActive) { |
Eino-Ville Talvala | f67e23e | 2014-07-23 17:17:59 -0700 | [diff] [blame] | 1808 | // Notify app ops that the camera is available again |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1809 | mAppOpsManager.finishOp(AppOpsManager::OP_CAMERA, mClientUid, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1810 | mOpPackageName); |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1811 | mOpsActive = false; |
Eino-Ville Talvala | f67e23e | 2014-07-23 17:17:59 -0700 | [diff] [blame] | 1812 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1813 | auto rejected = {ICameraServiceListener::STATUS_NOT_PRESENT, |
| 1814 | ICameraServiceListener::STATUS_ENUMERATING}; |
Eino-Ville Talvala | f67e23e | 2014-07-23 17:17:59 -0700 | [diff] [blame] | 1815 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1816 | // Transition to PRESENT if the camera is not in either of the rejected states |
Eino-Ville Talvala | f67e23e | 2014-07-23 17:17:59 -0700 | [diff] [blame] | 1817 | mCameraService->updateStatus(ICameraServiceListener::STATUS_PRESENT, |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1818 | String8::format("%d", mCameraId), rejected); |
Eino-Ville Talvala | f67e23e | 2014-07-23 17:17:59 -0700 | [diff] [blame] | 1819 | |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 1820 | // Notify flashlight that a camera device is closed. |
| 1821 | mCameraService->mFlashlight->deviceClosed( |
| 1822 | String8::format("%d", mCameraId)); |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1823 | } |
Eino-Ville Talvala | f67e23e | 2014-07-23 17:17:59 -0700 | [diff] [blame] | 1824 | // Always stop watching, even if no camera op is active |
Eino-Ville Talvala | e992e75 | 2014-11-07 16:17:48 -0800 | [diff] [blame] | 1825 | if (mOpsCallback != NULL) { |
| 1826 | mAppOpsManager.stopWatchingMode(mOpsCallback); |
| 1827 | } |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1828 | mOpsCallback.clear(); |
| 1829 | |
| 1830 | return OK; |
| 1831 | } |
| 1832 | |
| 1833 | void CameraService::BasicClient::opChanged(int32_t op, const String16& packageName) { |
| 1834 | String8 name(packageName); |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1835 | String8 myName(mOpPackageName); |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1836 | |
| 1837 | if (op != AppOpsManager::OP_CAMERA) { |
| 1838 | ALOGW("Unexpected app ops notification received: %d", op); |
| 1839 | return; |
| 1840 | } |
| 1841 | |
| 1842 | int32_t res; |
| 1843 | res = mAppOpsManager.checkOp(AppOpsManager::OP_CAMERA, |
Svet Ganov | 32fa6d0 | 2015-05-01 20:47:20 -0700 | [diff] [blame] | 1844 | mClientUid, mOpPackageName); |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1845 | ALOGV("checkOp returns: %d, %s ", res, |
| 1846 | res == AppOpsManager::MODE_ALLOWED ? "ALLOWED" : |
| 1847 | res == AppOpsManager::MODE_IGNORED ? "IGNORED" : |
| 1848 | res == AppOpsManager::MODE_ERRORED ? "ERRORED" : |
| 1849 | "UNKNOWN"); |
| 1850 | |
| 1851 | if (res != AppOpsManager::MODE_ALLOWED) { |
| 1852 | ALOGI("Camera %d: Access for \"%s\" revoked", mCameraId, |
| 1853 | myName.string()); |
| 1854 | // Reset the client PID to allow server-initiated disconnect, |
| 1855 | // and to prevent further calls by client. |
| 1856 | mClientPid = getCallingPid(); |
Jianing Wei | cb0652e | 2014-03-12 18:29:36 -0700 | [diff] [blame] | 1857 | CaptureResultExtras resultExtras; // a dummy result (invalid) |
| 1858 | notifyError(ICameraDeviceCallbacks::ERROR_CAMERA_SERVICE, resultExtras); |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1859 | disconnect(); |
| 1860 | } |
| 1861 | } |
| 1862 | |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1863 | // ---------------------------------------------------------------------------- |
| 1864 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1865 | // Provide client strong pointer for callbacks. |
| 1866 | sp<CameraService::Client> CameraService::Client::getClientFromCookie(void* user) { |
| 1867 | String8 cameraId = String8::format("%d", (int)(intptr_t) user); |
| 1868 | auto clientDescriptor = gCameraService->mActiveClientManager.get(cameraId); |
| 1869 | if (clientDescriptor != nullptr) { |
| 1870 | return sp<Client>{ |
| 1871 | static_cast<Client*>(clientDescriptor->getValue().get())}; |
| 1872 | } |
| 1873 | return sp<Client>{nullptr}; |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1874 | } |
| 1875 | |
Jianing Wei | cb0652e | 2014-03-12 18:29:36 -0700 | [diff] [blame] | 1876 | void CameraService::Client::notifyError(ICameraDeviceCallbacks::CameraErrorCode errorCode, |
| 1877 | const CaptureResultExtras& resultExtras) { |
Igor Murashkin | 44cfcf0 | 2013-03-01 16:22:28 -0800 | [diff] [blame] | 1878 | mRemoteCallback->notifyCallback(CAMERA_MSG_ERROR, CAMERA_ERROR_RELEASED, 0); |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1879 | } |
| 1880 | |
Igor Murashkin | 036bc3e | 2012-10-08 15:09:46 -0700 | [diff] [blame] | 1881 | // NOTE: function is idempotent |
Eino-Ville Talvala | 5e08d60 | 2012-05-16 14:59:25 -0700 | [diff] [blame] | 1882 | void CameraService::Client::disconnect() { |
Eino-Ville Talvala | d09801b | 2013-04-23 15:16:57 -0700 | [diff] [blame] | 1883 | ALOGV("Client::disconnect"); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1884 | BasicClient::disconnect(); |
Wu-cheng Li | e09591e | 2010-10-14 20:17:44 +0800 | [diff] [blame] | 1885 | } |
| 1886 | |
Ruben Brunk | 0bbf8b2 | 2015-04-30 14:35:42 -0700 | [diff] [blame] | 1887 | bool CameraService::Client::canCastToApiClient(apiLevel level) const { |
| 1888 | return level == API_1; |
| 1889 | } |
| 1890 | |
Eino-Ville Talvala | ceb388d | 2013-02-19 10:40:14 -0800 | [diff] [blame] | 1891 | CameraService::Client::OpsCallback::OpsCallback(wp<BasicClient> client): |
| 1892 | mClient(client) { |
| 1893 | } |
| 1894 | |
| 1895 | void CameraService::Client::OpsCallback::opChanged(int32_t op, |
| 1896 | const String16& packageName) { |
| 1897 | sp<BasicClient> client = mClient.promote(); |
| 1898 | if (client != NULL) { |
| 1899 | client->opChanged(op, packageName); |
| 1900 | } |
| 1901 | } |
| 1902 | |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 1903 | // ---------------------------------------------------------------------------- |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 1904 | // CameraState |
| 1905 | // ---------------------------------------------------------------------------- |
| 1906 | |
| 1907 | CameraService::CameraState::CameraState(const String8& id, int cost, |
| 1908 | const std::set<String8>& conflicting) : mId(id), |
| 1909 | mStatus(ICameraServiceListener::STATUS_PRESENT), mCost(cost), mConflicting(conflicting) {} |
| 1910 | |
| 1911 | CameraService::CameraState::~CameraState() {} |
| 1912 | |
| 1913 | ICameraServiceListener::Status CameraService::CameraState::getStatus() const { |
| 1914 | Mutex::Autolock lock(mStatusLock); |
| 1915 | return mStatus; |
| 1916 | } |
| 1917 | |
| 1918 | CameraParameters CameraService::CameraState::getShimParams() const { |
| 1919 | return mShimParams; |
| 1920 | } |
| 1921 | |
| 1922 | void CameraService::CameraState::setShimParams(const CameraParameters& params) { |
| 1923 | mShimParams = params; |
| 1924 | } |
| 1925 | |
| 1926 | int CameraService::CameraState::getCost() const { |
| 1927 | return mCost; |
| 1928 | } |
| 1929 | |
| 1930 | std::set<String8> CameraService::CameraState::getConflicting() const { |
| 1931 | return mConflicting; |
| 1932 | } |
| 1933 | |
| 1934 | String8 CameraService::CameraState::getId() const { |
| 1935 | return mId; |
| 1936 | } |
| 1937 | |
| 1938 | // ---------------------------------------------------------------------------- |
| 1939 | // CameraClientManager |
| 1940 | // ---------------------------------------------------------------------------- |
| 1941 | |
| 1942 | CameraService::CameraClientManager::~CameraClientManager() {} |
| 1943 | |
| 1944 | sp<CameraService::BasicClient> CameraService::CameraClientManager::getCameraClient( |
| 1945 | const String8& id) const { |
| 1946 | auto descriptor = get(id); |
| 1947 | if (descriptor == nullptr) { |
| 1948 | return sp<BasicClient>{nullptr}; |
| 1949 | } |
| 1950 | return descriptor->getValue(); |
| 1951 | } |
| 1952 | |
| 1953 | String8 CameraService::CameraClientManager::toString() const { |
| 1954 | auto all = getAll(); |
| 1955 | String8 ret("["); |
| 1956 | bool hasAny = false; |
| 1957 | for (auto& i : all) { |
| 1958 | hasAny = true; |
| 1959 | String8 key = i->getKey(); |
| 1960 | int32_t cost = i->getCost(); |
| 1961 | int32_t pid = i->getOwnerId(); |
| 1962 | int32_t priority = i->getPriority(); |
| 1963 | auto conflicting = i->getConflicting(); |
| 1964 | auto clientSp = i->getValue(); |
| 1965 | String8 packageName; |
| 1966 | if (clientSp.get() != nullptr) { |
| 1967 | packageName = String8{clientSp->getPackageName()}; |
| 1968 | } |
| 1969 | ret.appendFormat("\n(Camera ID: %s, Cost: %" PRId32 ", PID: %" PRId32 ", Priority: %" |
| 1970 | PRId32 ", ", key.string(), cost, pid, priority); |
| 1971 | |
| 1972 | if (packageName.size() != 0) { |
| 1973 | ret.appendFormat("Client Package Name: %s", packageName.string()); |
| 1974 | } |
| 1975 | |
| 1976 | ret.append(", Conflicting Client Devices: {"); |
| 1977 | for (auto& j : conflicting) { |
| 1978 | ret.appendFormat("%s, ", j.string()); |
| 1979 | } |
| 1980 | ret.append("})"); |
| 1981 | } |
| 1982 | if (hasAny) ret.append("\n"); |
| 1983 | ret.append("]\n"); |
| 1984 | return ret; |
| 1985 | } |
| 1986 | |
| 1987 | CameraService::DescriptorPtr CameraService::CameraClientManager::makeClientDescriptor( |
| 1988 | const String8& key, const sp<BasicClient>& value, int32_t cost, |
| 1989 | const std::set<String8>& conflictingKeys, int32_t priority, int32_t ownerId) { |
| 1990 | |
| 1991 | return std::make_shared<resource_policy::ClientDescriptor<String8, sp<BasicClient>>>( |
| 1992 | key, value, cost, conflictingKeys, priority, ownerId); |
| 1993 | } |
| 1994 | |
| 1995 | CameraService::DescriptorPtr CameraService::CameraClientManager::makeClientDescriptor( |
| 1996 | const sp<BasicClient>& value, const CameraService::DescriptorPtr& partial) { |
| 1997 | return makeClientDescriptor(partial->getKey(), value, partial->getCost(), |
| 1998 | partial->getConflicting(), partial->getPriority(), partial->getOwnerId()); |
| 1999 | } |
| 2000 | |
| 2001 | // ---------------------------------------------------------------------------- |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 2002 | |
| 2003 | static const int kDumpLockRetries = 50; |
| 2004 | static const int kDumpLockSleep = 60000; |
| 2005 | |
| 2006 | static bool tryLock(Mutex& mutex) |
| 2007 | { |
| 2008 | bool locked = false; |
| 2009 | for (int i = 0; i < kDumpLockRetries; ++i) { |
| 2010 | if (mutex.tryLock() == NO_ERROR) { |
| 2011 | locked = true; |
| 2012 | break; |
| 2013 | } |
| 2014 | usleep(kDumpLockSleep); |
| 2015 | } |
| 2016 | return locked; |
| 2017 | } |
| 2018 | |
| 2019 | status_t CameraService::dump(int fd, const Vector<String16>& args) { |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 2020 | String8 result("Dump of the Camera Service:\n"); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 2021 | if (checkCallingPermission(String16("android.permission.DUMP")) == false) { |
Eino-Ville Talvala | 611f619 | 2012-05-31 12:28:23 -0700 | [diff] [blame] | 2022 | result.appendFormat("Permission Denial: " |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 2023 | "can't dump CameraService from pid=%d, uid=%d\n", |
| 2024 | getCallingPid(), |
| 2025 | getCallingUid()); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 2026 | write(fd, result.string(), result.size()); |
| 2027 | } else { |
| 2028 | bool locked = tryLock(mServiceLock); |
| 2029 | // failed to lock - CameraService is probably deadlocked |
| 2030 | if (!locked) { |
Eino-Ville Talvala | 611f619 | 2012-05-31 12:28:23 -0700 | [diff] [blame] | 2031 | result.append("CameraService may be deadlocked\n"); |
Eino-Ville Talvala | f592613 | 2012-07-17 13:54:20 -0700 | [diff] [blame] | 2032 | write(fd, result.string(), result.size()); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 2033 | } |
| 2034 | |
| 2035 | bool hasClient = false; |
Eino-Ville Talvala | f592613 | 2012-07-17 13:54:20 -0700 | [diff] [blame] | 2036 | if (!mModule) { |
| 2037 | result = String8::format("No camera module available!\n"); |
| 2038 | write(fd, result.string(), result.size()); |
Eino-Ville Talvala | 1527f07 | 2015-04-07 15:55:31 -0700 | [diff] [blame] | 2039 | |
| 2040 | // Dump event log for error information |
| 2041 | dumpEventLog(fd); |
| 2042 | |
Kalle Lampila | 6ec3a15 | 2013-04-30 15:27:19 +0300 | [diff] [blame] | 2043 | if (locked) mServiceLock.unlock(); |
Eino-Ville Talvala | f592613 | 2012-07-17 13:54:20 -0700 | [diff] [blame] | 2044 | return NO_ERROR; |
| 2045 | } |
| 2046 | |
Chien-Yu Chen | 676b21b | 2015-02-24 10:28:19 -0800 | [diff] [blame] | 2047 | result = String8::format("Camera module HAL API version: 0x%x\n", mModule->getHalApiVersion()); |
| 2048 | result.appendFormat("Camera module API version: 0x%x\n", mModule->getModuleApiVersion()); |
| 2049 | result.appendFormat("Camera module name: %s\n", mModule->getModuleName()); |
| 2050 | result.appendFormat("Camera module author: %s\n", mModule->getModuleAuthor()); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 2051 | result.appendFormat("Number of camera devices: %d\n", mNumberOfCameras); |
| 2052 | String8 activeClientString = mActiveClientManager.toString(); |
| 2053 | result.appendFormat("Active Camera Clients:\n%s", activeClientString.string()); |
| 2054 | |
Ruben Brunk | f81648e | 2014-04-17 16:14:57 -0700 | [diff] [blame] | 2055 | sp<VendorTagDescriptor> desc = VendorTagDescriptor::getGlobalVendorTagDescriptor(); |
| 2056 | if (desc == NULL) { |
| 2057 | result.appendFormat("Vendor tags left unimplemented.\n"); |
| 2058 | } else { |
| 2059 | result.appendFormat("Vendor tag definitions:\n"); |
| 2060 | } |
| 2061 | |
Eino-Ville Talvala | f592613 | 2012-07-17 13:54:20 -0700 | [diff] [blame] | 2062 | write(fd, result.string(), result.size()); |
Ruben Brunk | f81648e | 2014-04-17 16:14:57 -0700 | [diff] [blame] | 2063 | |
| 2064 | if (desc != NULL) { |
| 2065 | desc->dump(fd, /*verbosity*/2, /*indentation*/4); |
| 2066 | } |
| 2067 | |
Eino-Ville Talvala | 1527f07 | 2015-04-07 15:55:31 -0700 | [diff] [blame] | 2068 | dumpEventLog(fd); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 2069 | |
| 2070 | bool stateLocked = tryLock(mCameraStatesLock); |
| 2071 | if (!stateLocked) { |
| 2072 | result = String8::format("CameraStates in use, may be deadlocked\n"); |
| 2073 | write(fd, result.string(), result.size()); |
| 2074 | } |
| 2075 | |
| 2076 | for (auto& state : mCameraStates) { |
| 2077 | String8 cameraId = state.first; |
| 2078 | result = String8::format("Camera %s information:\n", cameraId.string()); |
Eino-Ville Talvala | f592613 | 2012-07-17 13:54:20 -0700 | [diff] [blame] | 2079 | camera_info info; |
| 2080 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 2081 | // TODO: Change getCameraInfo + HAL to use String cameraIds |
| 2082 | status_t rc = mModule->getCameraInfo(cameraIdToInt(cameraId), &info); |
Eino-Ville Talvala | f592613 | 2012-07-17 13:54:20 -0700 | [diff] [blame] | 2083 | if (rc != OK) { |
| 2084 | result.appendFormat(" Error reading static information!\n"); |
| 2085 | write(fd, result.string(), result.size()); |
| 2086 | } else { |
| 2087 | result.appendFormat(" Facing: %s\n", |
| 2088 | info.facing == CAMERA_FACING_BACK ? "BACK" : "FRONT"); |
| 2089 | result.appendFormat(" Orientation: %d\n", info.orientation); |
| 2090 | int deviceVersion; |
Chien-Yu Chen | 676b21b | 2015-02-24 10:28:19 -0800 | [diff] [blame] | 2091 | if (mModule->getModuleApiVersion() < CAMERA_MODULE_API_VERSION_2_0) { |
Eino-Ville Talvala | f592613 | 2012-07-17 13:54:20 -0700 | [diff] [blame] | 2092 | deviceVersion = CAMERA_DEVICE_API_VERSION_1_0; |
| 2093 | } else { |
| 2094 | deviceVersion = info.device_version; |
| 2095 | } |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 2096 | |
| 2097 | auto conflicting = state.second->getConflicting(); |
| 2098 | result.appendFormat(" Resource Cost: %d\n", state.second->getCost()); |
| 2099 | result.appendFormat(" Conflicting Devices:"); |
| 2100 | for (auto& id : conflicting) { |
| 2101 | result.appendFormat(" %s", cameraId.string()); |
| 2102 | } |
| 2103 | if (conflicting.size() == 0) { |
| 2104 | result.appendFormat(" NONE"); |
| 2105 | } |
| 2106 | result.appendFormat("\n"); |
| 2107 | |
| 2108 | result.appendFormat(" Device version: %#x\n", deviceVersion); |
Eino-Ville Talvala | f592613 | 2012-07-17 13:54:20 -0700 | [diff] [blame] | 2109 | if (deviceVersion >= CAMERA_DEVICE_API_VERSION_2_0) { |
| 2110 | result.appendFormat(" Device static metadata:\n"); |
| 2111 | write(fd, result.string(), result.size()); |
Eino-Ville Talvala | 428b77a | 2012-07-30 09:55:30 -0700 | [diff] [blame] | 2112 | dump_indented_camera_metadata(info.static_camera_characteristics, |
Ruben Brunk | f81648e | 2014-04-17 16:14:57 -0700 | [diff] [blame] | 2113 | fd, /*verbosity*/2, /*indentation*/4); |
Eino-Ville Talvala | f592613 | 2012-07-17 13:54:20 -0700 | [diff] [blame] | 2114 | } else { |
| 2115 | write(fd, result.string(), result.size()); |
| 2116 | } |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 2117 | |
| 2118 | CameraParameters p = state.second->getShimParams(); |
| 2119 | if (!p.isEmpty()) { |
| 2120 | result = String8::format(" Camera1 API shim is using parameters:\n "); |
| 2121 | write(fd, result.string(), result.size()); |
| 2122 | p.dump(fd, args); |
| 2123 | } |
Eino-Ville Talvala | f592613 | 2012-07-17 13:54:20 -0700 | [diff] [blame] | 2124 | } |
| 2125 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 2126 | auto clientDescriptor = mActiveClientManager.get(cameraId); |
| 2127 | if (clientDescriptor == nullptr) { |
| 2128 | result = String8::format(" Device %s is closed, no client instance\n", |
| 2129 | cameraId.string()); |
Eino-Ville Talvala | f592613 | 2012-07-17 13:54:20 -0700 | [diff] [blame] | 2130 | write(fd, result.string(), result.size()); |
| 2131 | continue; |
| 2132 | } |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 2133 | hasClient = true; |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 2134 | result = String8::format(" Device %s is open. Client instance dump:\n\n", |
| 2135 | cameraId.string()); |
| 2136 | result.appendFormat("Client priority level: %d\n", clientDescriptor->getPriority()); |
| 2137 | result.appendFormat("Client PID: %d\n", clientDescriptor->getOwnerId()); |
| 2138 | |
| 2139 | auto client = clientDescriptor->getValue(); |
| 2140 | result.appendFormat("Client package: %s\n", |
| 2141 | String8(client->getPackageName()).string()); |
Eino-Ville Talvala | f592613 | 2012-07-17 13:54:20 -0700 | [diff] [blame] | 2142 | write(fd, result.string(), result.size()); |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 2143 | |
Eino-Ville Talvala | 5e08d60 | 2012-05-16 14:59:25 -0700 | [diff] [blame] | 2144 | client->dump(fd, args); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 2145 | } |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 2146 | |
| 2147 | if (stateLocked) mCameraStatesLock.unlock(); |
| 2148 | |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 2149 | if (!hasClient) { |
Eino-Ville Talvala | f592613 | 2012-07-17 13:54:20 -0700 | [diff] [blame] | 2150 | result = String8::format("\nNo active camera clients yet.\n"); |
| 2151 | write(fd, result.string(), result.size()); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 2152 | } |
| 2153 | |
| 2154 | if (locked) mServiceLock.unlock(); |
| 2155 | |
Igor Murashkin | ff3e31d | 2013-10-23 16:40:06 -0700 | [diff] [blame] | 2156 | // Dump camera traces if there were any |
| 2157 | write(fd, "\n", 1); |
| 2158 | camera3::CameraTraces::dump(fd, args); |
| 2159 | |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 2160 | // change logging level |
| 2161 | int n = args.size(); |
| 2162 | for (int i = 0; i + 1 < n; i++) { |
Eino-Ville Talvala | 611f619 | 2012-05-31 12:28:23 -0700 | [diff] [blame] | 2163 | String16 verboseOption("-v"); |
| 2164 | if (args[i] == verboseOption) { |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 2165 | String8 levelStr(args[i+1]); |
| 2166 | int level = atoi(levelStr.string()); |
Eino-Ville Talvala | f592613 | 2012-07-17 13:54:20 -0700 | [diff] [blame] | 2167 | result = String8::format("\nSetting log level to %d.\n", level); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 2168 | setLogLevel(level); |
Eino-Ville Talvala | f592613 | 2012-07-17 13:54:20 -0700 | [diff] [blame] | 2169 | write(fd, result.string(), result.size()); |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 2170 | } |
| 2171 | } |
| 2172 | } |
| 2173 | return NO_ERROR; |
| 2174 | } |
| 2175 | |
Eino-Ville Talvala | 1527f07 | 2015-04-07 15:55:31 -0700 | [diff] [blame] | 2176 | void CameraService::dumpEventLog(int fd) { |
| 2177 | String8 result = String8("\nPrior client events (most recent at top):\n"); |
| 2178 | |
| 2179 | Mutex::Autolock l(mLogLock); |
| 2180 | for (const auto& msg : mEventLog) { |
| 2181 | result.appendFormat(" %s\n", msg.string()); |
| 2182 | } |
| 2183 | |
| 2184 | if (mEventLog.size() == DEFAULT_EVENT_LOG_LENGTH) { |
| 2185 | result.append(" ...\n"); |
| 2186 | } else if (mEventLog.size() == 0) { |
| 2187 | result.append(" [no events yet]\n"); |
| 2188 | } |
| 2189 | result.append("\n"); |
| 2190 | |
| 2191 | write(fd, result.string(), result.size()); |
| 2192 | } |
| 2193 | |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 2194 | void CameraService::handleTorchClientBinderDied(const wp<IBinder> &who) { |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 2195 | Mutex::Autolock al(mTorchClientMapMutex); |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 2196 | for (size_t i = 0; i < mTorchClientMap.size(); i++) { |
| 2197 | if (mTorchClientMap[i] == who) { |
| 2198 | // turn off the torch mode that was turned on by dead client |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 2199 | String8 cameraId = mTorchClientMap.keyAt(i); |
| 2200 | status_t res = mFlashlight->setTorchMode(cameraId, false); |
| 2201 | if (res) { |
| 2202 | ALOGE("%s: torch client died but couldn't turn off torch: " |
| 2203 | "%s (%d)", __FUNCTION__, strerror(-res), res); |
| 2204 | return; |
| 2205 | } |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 2206 | mTorchClientMap.removeItemsAt(i); |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 2207 | break; |
| 2208 | } |
| 2209 | } |
| 2210 | } |
| 2211 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 2212 | /*virtual*/void CameraService::binderDied(const wp<IBinder> &who) { |
Igor Murashkin | ecf17e8 | 2012-10-02 16:05:11 -0700 | [diff] [blame] | 2213 | |
Igor Murashkin | 294d0ec | 2012-10-05 10:44:57 -0700 | [diff] [blame] | 2214 | /** |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 2215 | * While tempting to promote the wp<IBinder> into a sp, it's actually not supported by the |
| 2216 | * binder driver |
Igor Murashkin | 294d0ec | 2012-10-05 10:44:57 -0700 | [diff] [blame] | 2217 | */ |
| 2218 | |
Ruben Brunk | a8ca915 | 2015-04-07 14:23:40 -0700 | [diff] [blame] | 2219 | logClientDied(getCallingPid(), String8("Binder died unexpectedly")); |
| 2220 | |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 2221 | // check torch client |
| 2222 | handleTorchClientBinderDied(who); |
| 2223 | |
| 2224 | // check camera device client |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 2225 | if(!evictClientIdByRemote(who)) { |
| 2226 | ALOGV("%s: Java client's binder death already cleaned up (normal case)", __FUNCTION__); |
Igor Murashkin | ecf17e8 | 2012-10-02 16:05:11 -0700 | [diff] [blame] | 2227 | return; |
| 2228 | } |
| 2229 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 2230 | ALOGE("%s: Java client's binder died, removing it from the list of active clients", |
| 2231 | __FUNCTION__); |
Igor Murashkin | ecf17e8 | 2012-10-02 16:05:11 -0700 | [diff] [blame] | 2232 | } |
| 2233 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 2234 | void CameraService::updateStatus(ICameraServiceListener::Status status, const String8& cameraId) { |
| 2235 | updateStatus(status, cameraId, {}); |
Igor Murashkin | bfc9915 | 2013-02-27 12:55:20 -0800 | [diff] [blame] | 2236 | } |
| 2237 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 2238 | void CameraService::updateStatus(ICameraServiceListener::Status status, const String8& cameraId, |
| 2239 | std::initializer_list<ICameraServiceListener::Status> rejectSourceStates) { |
| 2240 | // Do not lock mServiceLock here or can get into a deadlock from |
| 2241 | // connect() -> disconnect -> updateStatus |
| 2242 | |
| 2243 | auto state = getCameraState(cameraId); |
| 2244 | |
| 2245 | if (state == nullptr) { |
| 2246 | ALOGW("%s: Could not update the status for %s, no such device exists", __FUNCTION__, |
| 2247 | cameraId.string()); |
| 2248 | return; |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 2249 | } |
| 2250 | |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 2251 | // Update the status for this camera state, then send the onStatusChangedCallbacks to each |
| 2252 | // of the listeners with both the mStatusStatus and mStatusListenerLock held |
| 2253 | state->updateStatus(status, cameraId, rejectSourceStates, [this] |
| 2254 | (const String8& cameraId, ICameraServiceListener::Status status) { |
| 2255 | |
Chien-Yu Chen | f6463fc | 2015-04-07 15:11:31 -0700 | [diff] [blame] | 2256 | if (status != ICameraServiceListener::STATUS_ENUMERATING) { |
| 2257 | // Update torch status if it has a flash unit. |
| 2258 | Mutex::Autolock al(mTorchStatusMutex); |
| 2259 | ICameraServiceListener::TorchStatus torchStatus; |
| 2260 | if (getTorchStatusLocked(cameraId, &torchStatus) != |
| 2261 | NAME_NOT_FOUND) { |
| 2262 | ICameraServiceListener::TorchStatus newTorchStatus = |
| 2263 | status == ICameraServiceListener::STATUS_PRESENT ? |
| 2264 | ICameraServiceListener::TORCH_STATUS_AVAILABLE_OFF : |
| 2265 | ICameraServiceListener::TORCH_STATUS_NOT_AVAILABLE; |
| 2266 | if (torchStatus != newTorchStatus) { |
| 2267 | onTorchStatusChangedLocked(cameraId, newTorchStatus); |
| 2268 | } |
| 2269 | } |
Ruben Brunk | cc77671 | 2015-02-17 20:18:47 -0800 | [diff] [blame] | 2270 | } |
| 2271 | |
| 2272 | Mutex::Autolock lock(mStatusListenerLock); |
| 2273 | |
| 2274 | for (auto& listener : mListenerList) { |
| 2275 | // TODO: Refactor status listeners to use strings for Camera IDs and remove this. |
| 2276 | int id = cameraIdToInt(cameraId); |
| 2277 | if (id != -1) listener->onStatusChanged(status, id); |
| 2278 | } |
| 2279 | }); |
Igor Murashkin | cba2c16 | 2013-03-20 15:56:31 -0700 | [diff] [blame] | 2280 | } |
| 2281 | |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 2282 | status_t CameraService::getTorchStatusLocked( |
| 2283 | const String8& cameraId, |
| 2284 | ICameraServiceListener::TorchStatus *status) const { |
| 2285 | if (!status) { |
| 2286 | return BAD_VALUE; |
| 2287 | } |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 2288 | ssize_t index = mTorchStatusMap.indexOfKey(cameraId); |
| 2289 | if (index == NAME_NOT_FOUND) { |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 2290 | // invalid camera ID or the camera doesn't have a flash unit |
| 2291 | return NAME_NOT_FOUND; |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 2292 | } |
| 2293 | |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 2294 | *status = mTorchStatusMap.valueAt(index); |
| 2295 | return OK; |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 2296 | } |
| 2297 | |
Chien-Yu Chen | 88da526 | 2015-02-17 13:56:46 -0800 | [diff] [blame] | 2298 | status_t CameraService::setTorchStatusLocked(const String8& cameraId, |
Chien-Yu Chen | 3068d73 | 2015-02-09 13:29:57 -0800 | [diff] [blame] | 2299 | ICameraServiceListener::TorchStatus status) { |
| 2300 | ssize_t index = mTorchStatusMap.indexOfKey(cameraId); |
| 2301 | if (index == NAME_NOT_FOUND) { |
| 2302 | return BAD_VALUE; |
| 2303 | } |
| 2304 | ICameraServiceListener::TorchStatus& item = |
| 2305 | mTorchStatusMap.editValueAt(index); |
| 2306 | item = status; |
| 2307 | |
| 2308 | return OK; |
| 2309 | } |
| 2310 | |
Mathias Agopian | 65ab471 | 2010-07-14 17:59:35 -0700 | [diff] [blame] | 2311 | }; // namespace android |