CameraService.cpp revision 93747b9c7724f690b3068300514c05629e0b0a3e
165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian/* 265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Copyright (C) 2008, The Android Open Source Project 465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Licensed under the Apache License, Version 2.0 (the "License"); 665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** you may not use this file except in compliance with the License. 765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** You may obtain a copy of the License at 865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** http://www.apache.org/licenses/LICENSE-2.0 1065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 1165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Unless required by applicable law or agreed to in writing, software 1265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** distributed under the License is distributed on an "AS IS" BASIS, 1365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** See the License for the specific language governing permissions and 1565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** limitations under the License. 1665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian*/ 1765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define LOG_TAG "CameraService" 198951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev//#define LOG_NDEBUG 0 2065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <stdio.h> 2265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <sys/types.h> 2365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <pthread.h> 2465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 25ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala#include <binder/AppOpsManager.h> 2665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/IPCThreadState.h> 2765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/IServiceManager.h> 2865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/MemoryBase.h> 2965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/MemoryHeapBase.h> 3065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <cutils/atomic.h> 31b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra#include <cutils/properties.h> 32df712ea86e6350f7005a02ab0e1c60c28a343ed0Mathias Agopian#include <gui/Surface.h> 3365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <hardware/hardware.h> 3465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/AudioSystem.h> 3565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/mediaplayer.h> 3665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Errors.h> 3765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Log.h> 3865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/String16.h> 3965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include "CameraService.h" 415e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala#include "CameraClient.h" 4261ab9f93315ea817cd1ac110e2a95da4dab6b4d1Eino-Ville Talvala#include "Camera2Client.h" 43985fd30a10f6fec4293f071fd258c4726cff5a3dIgor Murashkin#include "ProCamera2Client.h" 4465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 4665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 4865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Logging support -- this is for debugging only 4965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Use "adb shell dumpsys media.camera -v 1" to change it. 505e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavolatile int32_t gLogLevel = 0; 5165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 52b8a805261bf0282e992d3608035e47d05a898710Steve Block#define LOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__); 53b8a805261bf0282e992d3608035e47d05a898710Steve Block#define LOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__); 5465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic void setLogLevel(int level) { 5665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(level, &gLogLevel); 5765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 5865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 6065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic int getCallingPid() { 6265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return IPCThreadState::self()->getCallingPid(); 6365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 6465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic int getCallingUid() { 6665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return IPCThreadState::self()->getCallingUid(); 6765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 6865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 69cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkinextern "C" { 70cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkinstatic void camera_device_status_change( 71cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin const struct camera_module_callbacks* callbacks, 72cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int camera_id, 73cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int new_status) { 74cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin sp<CameraService> cs = const_cast<CameraService*>( 75cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin static_cast<const CameraService*>(callbacks)); 76cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 77cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin cs->onDeviceStatusChanged( 78cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin camera_id, 79cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin new_status); 80cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin} 81cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin} // extern "C" 82cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 8365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 8465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 8565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// This is ugly and only safe if we never re-create the CameraService, but 8665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// should be ok for now. 8765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic CameraService *gCameraService; 8865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 8965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::CameraService() 90ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala :mSoundRef(0), mModule(0) 9165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 92df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("CameraService started (pid=%d)", getpid()); 938951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev gCameraService = this; 94bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 95bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (size_t i = 0; i < MAX_CAMERAS; ++i) { 96cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mStatusList[i] = ICameraServiceListener::STATUS_PRESENT; 97bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 98cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 99cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin this->camera_device_status_change = android::camera_device_status_change; 1008951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev} 10165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1028951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchevvoid CameraService::onFirstRef() 1038951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev{ 104634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin LOG1("CameraService::onFirstRef"); 105634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1068951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev BnCameraService::onFirstRef(); 10765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1088951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (hw_get_module(CAMERA_HARDWARE_MODULE_ID, 1098951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev (const hw_module_t **)&mModule) < 0) { 11029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not load camera HAL module"); 1118951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = 0; 1128951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 1138951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev else { 114c0dd54f1a77fb94ae69cc3ac5944d718bb6caa28Alex Ray ALOGI("Loaded \"%s\" camera module", mModule->common.name); 1158951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = mModule->get_number_of_cameras(); 1168951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (mNumberOfCameras > MAX_CAMERAS) { 11729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Number of cameras(%d) > MAX_CAMERAS(%d).", 1188951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras, MAX_CAMERAS); 1198951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = MAX_CAMERAS; 1208951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 1218951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev for (int i = 0; i < mNumberOfCameras; i++) { 1228951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev setCameraFree(i); 1238951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 124cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 125cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (mModule->common.module_api_version >= 126cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin CAMERA_MODULE_API_VERSION_2_1) { 127cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mModule->set_callbacks(this); 128cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 12965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 13065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 13165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 13265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::~CameraService() { 13365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 13465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mBusy[i]) { 13529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("camera %d is still in use in destructor!", i); 13665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 13765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 13865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 13965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian gCameraService = NULL; 14065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 14165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 142cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkinvoid CameraService::onDeviceStatusChanged(int cameraId, 143cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int newStatus) 144cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin{ 145cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGI("%s: Status changed for cameraId=%d, newStatus=%d", __FUNCTION__, 146cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin cameraId, newStatus); 147cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 148cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (cameraId < 0 || cameraId >= MAX_CAMERAS) { 149cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGE("%s: Bad camera ID %d", __FUNCTION__, cameraId); 150cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return; 151cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 152cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 153cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if ((int)getStatus(cameraId) == newStatus) { 154cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGE("%s: State transition to the same status 0x%x not allowed", 155cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin __FUNCTION__, (uint32_t)newStatus); 156cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return; 157cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 158cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 159cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /* don't do this in updateStatus 160cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin since it is also called from connect and we could get into a deadlock */ 161cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (newStatus == CAMERA_DEVICE_STATUS_NOT_PRESENT) { 162cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin Vector<sp<BasicClient> > clientsToDisconnect; 163cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin { 164cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin Mutex::Autolock al(mServiceLock); 165cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 166cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /* Find all clients that we need to disconnect */ 167cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin sp<Client> client = mClient[cameraId].promote(); 168cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (client.get() != NULL) { 169cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin clientsToDisconnect.push_back(client); 170cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 171cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 172cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int i = cameraId; 173cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin for (size_t j = 0; j < mProClientList[i].size(); ++j) { 174cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin sp<ProClient> cl = mProClientList[i][j].promote(); 175cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (cl != NULL) { 176cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin clientsToDisconnect.push_back(cl); 177cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 178cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 179cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 180cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 181cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /* now disconnect them. don't hold the lock 182cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin or we can get into a deadlock */ 183cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 184cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin for (size_t i = 0; i < clientsToDisconnect.size(); ++i) { 185cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin sp<BasicClient> client = clientsToDisconnect[i]; 186cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 187cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin client->disconnect(); 188cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /** 189cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin * The remote app will no longer be able to call methods on the 190cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin * client since the client PID will be reset to 0 191cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin */ 192cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 193cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 194cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGV("%s: After unplug, disconnected %d clients", 195cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin __FUNCTION__, clientsToDisconnect.size()); 196cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 197cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 198cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin updateStatus( 199cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin static_cast<ICameraServiceListener::Status>(newStatus), cameraId); 200cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 201cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin} 202cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 20365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianint32_t CameraService::getNumberOfCameras() { 20465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mNumberOfCameras; 20565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 20665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 20765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::getCameraInfo(int cameraId, 20865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian struct CameraInfo* cameraInfo) { 2098951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (!mModule) { 2108951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev return NO_INIT; 2118951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 2128951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 21365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) { 21465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BAD_VALUE; 21565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 21665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2178951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev struct camera_info info; 2188951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev status_t rc = mModule->get_camera_info(cameraId, &info); 2198951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev cameraInfo->facing = info.facing; 2208951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev cameraInfo->orientation = info.orientation; 2218951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev return rc; 22265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 22365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 224634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinint CameraService::getDeviceVersion(int cameraId, int* facing) { 225634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin struct camera_info info; 226634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (mModule->get_camera_info(cameraId, &info) != OK) { 227634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin return -1; 228634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 229634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 230634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin int deviceVersion; 231634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (mModule->common.module_api_version >= CAMERA_MODULE_API_VERSION_2_0) { 232634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin deviceVersion = info.device_version; 233634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } else { 234634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin deviceVersion = CAMERA_DEVICE_API_VERSION_1_0; 235634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 236634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 237634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (facing) { 238634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin *facing = info.facing; 239634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 240634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 241634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin return deviceVersion; 242634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 243634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 244bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkinbool CameraService::isValidCameraId(int cameraId) { 245bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin int facing; 246bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin int deviceVersion = getDeviceVersion(cameraId, &facing); 247bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 248bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin switch(deviceVersion) { 249bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin case CAMERA_DEVICE_API_VERSION_1_0: 250bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin case CAMERA_DEVICE_API_VERSION_2_0: 251bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin case CAMERA_DEVICE_API_VERSION_2_1: 252bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin case CAMERA_DEVICE_API_VERSION_3_0: 253bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return true; 254bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin default: 255bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return false; 256bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 257bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 258bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return false; 259bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin} 260bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 261e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkinbool CameraService::validateConnect(int cameraId, 262e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin /*inout*/ 263e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int& clientUid) const { 264ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 26565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 2665861a9a98c641261c4807c976c750e4611b3a57dTyler Luu 267ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (clientUid == USE_CALLING_UID) { 268ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientUid = getCallingUid(); 269ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } else { 270ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala // We only trust our own process to forward client UIDs 271ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (callingPid != getpid()) { 272ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGE("CameraService::connect X (pid %d) rejected (don't trust clientUid)", 273ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala callingPid); 274e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return false; 275ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 276ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 27765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2788951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (!mModule) { 27929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Camera HAL module not loaded"); 280e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return false; 2818951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 2828951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 28365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) { 28429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("CameraService::connect X (pid %d) rejected (invalid cameraId %d).", 28565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian callingPid, cameraId); 286e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return false; 28765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 28865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 289a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li char value[PROPERTY_VALUE_MAX]; 290a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li property_get("sys.secpolicy.camera.disabled", value, "0"); 291a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li if (strcmp(value, "1") == 0) { 292a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li // Camera is disabled by DevicePolicyManager. 293df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Camera is disabled. connect X (pid %d) rejected", callingPid); 294e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return false; 295a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li } 296a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li 297cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ICameraServiceListener::Status currentStatus = getStatus(cameraId); 298cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (currentStatus == ICameraServiceListener::STATUS_NOT_PRESENT) { 299cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGI("Camera is not plugged in," 300cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin " connect X (pid %d) rejected", callingPid); 301cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return false; 302cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } else if (currentStatus == ICameraServiceListener::STATUS_ENUMERATING) { 303cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGI("Camera is enumerating," 304cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin " connect X (pid %d) rejected", callingPid); 305cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return false; 306cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 307cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // Else don't check for STATUS_NOT_AVAILABLE. 308cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // -- It's done implicitly in canConnectUnsafe /w the mBusy array 309cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 310e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return true; 311e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin} 312e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 313e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkinbool CameraService::canConnectUnsafe(int cameraId, 314e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const String16& clientPackageName, 315e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const sp<IBinder>& remoteCallback, 316e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin sp<Client> &client) { 317e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin String8 clientName8(clientPackageName); 318e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int callingPid = getCallingPid(); 319e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 32008ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (mClient[cameraId] != 0) { 32108ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li client = mClient[cameraId].promote(); 32208ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (client != 0) { 323e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin if (remoteCallback == client->getRemoteCallback()->asBinder()) { 32408ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li LOG1("CameraService::connect X (pid %d) (the same client)", 32508ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li callingPid); 326e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return true; 32708ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li } else { 328e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin // TODOSC: need to support 1 regular client, 329e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin // multiple shared clients here 330e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin ALOGW("CameraService::connect X (pid %d) rejected" 331e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin " (existing client).", callingPid); 332e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return false; 3332fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li } 3342fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li } 33508ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li mClient[cameraId].clear(); 33608ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li } 33708ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li 338634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin /* 339634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mBusy is set to false as the last step of the Client destructor, 340634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin after which it is guaranteed that the Client destructor has finished ( 341634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin including any inherited destructors) 342634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 343634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin We only need this for a Client subclasses since we don't allow 344634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin multiple Clents to be opened concurrently, but multiple BasicClient 345634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin would be fine 346634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin */ 34708ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (mBusy[cameraId]) { 348ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGW("CameraService::connect X (pid %d, \"%s\") rejected" 349ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala " (camera %d is still busy).", callingPid, 350ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientName8.string(), cameraId); 351e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return false; 352e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 353e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 354e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return true; 355e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin} 356e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 357e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkinsp<ICamera> CameraService::connect( 358e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const sp<ICameraClient>& cameraClient, 359e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int cameraId, 360e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const String16& clientPackageName, 361e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int clientUid) { 362e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 363e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin String8 clientName8(clientPackageName); 364e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int callingPid = getCallingPid(); 365e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 366e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin LOG1("CameraService::connect E (pid %d \"%s\", id %d)", callingPid, 367e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin clientName8.string(), cameraId); 368e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 369e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin if (!validateConnect(cameraId, /*inout*/clientUid)) { 370e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return NULL; 371e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 372e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 373e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin sp<Client> client; 374e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 375acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin { 376acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin Mutex::Autolock lock(mServiceLock); 377acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin if (!canConnectUnsafe(cameraId, clientPackageName, 378acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraClient->asBinder(), 379acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin /*out*/client)) { 380acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin return NULL; 381acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } else if (client.get() != NULL) { 382acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin return client; 383acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 38465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 385acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin int facing = -1; 386acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin int deviceVersion = getDeviceVersion(cameraId, &facing); 387634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 388acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // If there are other non-exclusive users of the camera, 389acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // this will tear them down before we can reuse the camera 390acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin if (isValidCameraId(cameraId)) { 391cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // transition from PRESENT -> NOT_AVAILABLE 392acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin updateStatus(ICameraServiceListener::STATUS_NOT_AVAILABLE, 393acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraId); 394acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 395bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 396acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin switch(deviceVersion) { 397acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_1_0: 398acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin client = new CameraClient(this, cameraClient, 399acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin clientPackageName, cameraId, 400acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin facing, callingPid, clientUid, getpid()); 401acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin break; 402acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_0: 403acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_1: 404acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_3_0: 405acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin client = new Camera2Client(this, cameraClient, 406acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin clientPackageName, cameraId, 407acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin facing, callingPid, clientUid, getpid(), 408acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin deviceVersion); 409acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin break; 410acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case -1: 411acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Invalid camera id %d", cameraId); 412acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin return NULL; 413acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin default: 414acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Unknown camera device HAL version: %d", deviceVersion); 415acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin return NULL; 416acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 4178951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 418acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin if (!connectFinishUnsafe(client, client->asBinder())) { 419acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // this is probably not recoverable.. maybe the client can try again 420cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // OK: we can only get here if we were originally in PRESENT state 421cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin updateStatus(ICameraServiceListener::STATUS_PRESENT, cameraId); 422bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 423acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin return NULL; 424acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 425634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 426acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin mClient[cameraId] = client; 427acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin LOG1("CameraService::connect X (id %d, this pid is %d)", cameraId, 428acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin getpid()); 429acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 430acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // important: release the mutex here so the client can call back 431acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // into the service from its destructor (can be at the end of the call) 432bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 433634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin return client; 434634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 435634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 436e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkinbool CameraService::connectFinishUnsafe(const sp<BasicClient>& client, 437e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const sp<IBinder>& clientBinder) { 438e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin if (client->initialize(mModule) != OK) { 439e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return false; 440e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 441e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 442e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin clientBinder->linkToDeath(this); 443e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 444e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return true; 445e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin} 446e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 447634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinsp<IProCameraUser> CameraService::connect( 448634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin const sp<IProCameraCallbacks>& cameraCb, 449c073ba525404f3416c2824c435d3d926a9892f1bIgor Murashkin int cameraId, 450c073ba525404f3416c2824c435d3d926a9892f1bIgor Murashkin const String16& clientPackageName, 451c073ba525404f3416c2824c435d3d926a9892f1bIgor Murashkin int clientUid) 452634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 453bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin String8 clientName8(clientPackageName); 454634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin int callingPid = getCallingPid(); 455634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 456e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin LOG1("CameraService::connectPro E (pid %d \"%s\", id %d)", callingPid, 457e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin clientName8.string(), cameraId); 458634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 459e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin if (!validateConnect(cameraId, /*inout*/clientUid)) { 460634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin return NULL; 46161ab9f93315ea817cd1ac110e2a95da4dab6b4d1Eino-Ville Talvala } 46261ab9f93315ea817cd1ac110e2a95da4dab6b4d1Eino-Ville Talvala 463acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin sp<ProClient> client; 464e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin { 465acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin Mutex::Autolock lock(mServiceLock); 466acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin { 467acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin sp<Client> client; 468acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin if (!canConnectUnsafe(cameraId, clientPackageName, 469acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraCb->asBinder(), 470acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin /*out*/client)) { 471acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin return NULL; 472acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 473e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 474634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 475acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin int facing = -1; 476acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin int deviceVersion = getDeviceVersion(cameraId, &facing); 477634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 478acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin switch(deviceVersion) { 479acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_1_0: 480acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Camera id %d uses HALv1, doesn't support ProCamera", 481acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraId); 482acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin return NULL; 483acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin break; 484acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_0: 485acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_1: 486acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin client = new ProCamera2Client(this, cameraCb, String16(), 487acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraId, facing, callingPid, USE_CALLING_UID, getpid()); 488acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin break; 489acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case -1: 490acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Invalid camera id %d", cameraId); 491acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin return NULL; 492acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin default: 493acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Unknown camera device HAL version: %d", deviceVersion); 494acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin return NULL; 495acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 4965861a9a98c641261c4807c976c750e4611b3a57dTyler Luu 497acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin if (!connectFinishUnsafe(client, client->asBinder())) { 498acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin return NULL; 499acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 500f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala 501acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin mProClientList[cameraId].push(client); 502634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 503acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin LOG1("CameraService::connectPro X (id %d, this pid is %d)", cameraId, 504acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin getpid()); 505acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 506acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // important: release the mutex here so the client can call back 507acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // into the service from its destructor (can be at the end of the call) 508e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 50965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return client; 510bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin} 511634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 512bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkinstatus_t CameraService::addListener( 513bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin const sp<ICameraServiceListener>& listener) { 514bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGV("%s: Add listener %p", __FUNCTION__, listener.get()); 515634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 516bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Mutex::Autolock lock(mServiceLock); 517bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 518bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<sp<ICameraServiceListener> >::iterator it, end; 519bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (it = mListenerList.begin(); it != mListenerList.end(); ++it) { 520bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if ((*it)->asBinder() == listener->asBinder()) { 521bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGW("%s: Tried to add listener %p which was already subscribed", 522bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin __FUNCTION__, listener.get()); 523bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return ALREADY_EXISTS; 524bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 525bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 526bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 527bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin mListenerList.push_back(listener); 528bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 529cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /* Immediately signal current status to this listener only */ 530cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin { 531cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin Mutex::Autolock m(mStatusMutex) ; 532cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int numCams = getNumberOfCameras(); 533cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin for (int i = 0; i < numCams; ++i) { 534cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin listener->onStatusChanged(mStatusList[i], i); 535cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 536cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 537cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 538bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return OK; 539bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin} 540bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkinstatus_t CameraService::removeListener( 541bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin const sp<ICameraServiceListener>& listener) { 542bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGV("%s: Remove listener %p", __FUNCTION__, listener.get()); 543bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 544bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Mutex::Autolock lock(mServiceLock); 545bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 546bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<sp<ICameraServiceListener> >::iterator it; 547bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (it = mListenerList.begin(); it != mListenerList.end(); ++it) { 548bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if ((*it)->asBinder() == listener->asBinder()) { 549bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin mListenerList.erase(it); 550bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return OK; 551bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 552bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 553bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 554bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGW("%s: Tried to remove a listener %p which was not subscribed", 555bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin __FUNCTION__, listener.get()); 556bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 557bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return BAD_VALUE; 55865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 55965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 560634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinvoid CameraService::removeClientByRemote(const wp<IBinder>& remoteBinder) { 56165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 562634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin LOG1("CameraService::removeClientByRemote E (pid %d)", callingPid); 56365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 564ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Declare this before the lock to make absolutely sure the 565ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // destructor won't be called with the lock held. 566ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin Mutex::Autolock lock(mServiceLock); 567ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 568ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin int outIndex; 569634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<Client> client = findClientUnsafe(remoteBinder, outIndex); 570ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 571ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin if (client != 0) { 572ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Found our camera, clear and leave. 573ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin LOG1("removeClient: clear camera %d", outIndex); 574ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin mClient[outIndex].clear(); 57565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 576ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin client->unlinkToDeath(this); 577634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } else { 578634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 579634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<ProClient> clientPro = findProClientUnsafe(remoteBinder); 580634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 581634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (clientPro != NULL) { 582634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin // Found our camera, clear and leave. 583634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin LOG1("removeClient: clear pro %p", clientPro.get()); 584634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 585634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin clientPro->getRemoteCallback()->asBinder()->unlinkToDeath(this); 586634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 587634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 588634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 589634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin LOG1("CameraService::removeClientByRemote X (pid %d)", callingPid); 590634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 591634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 592634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinsp<CameraService::ProClient> CameraService::findProClientUnsafe( 593634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin const wp<IBinder>& cameraCallbacksRemote) 594634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 595634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<ProClient> clientPro; 596634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 597634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin for (int i = 0; i < mNumberOfCameras; ++i) { 598634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin Vector<size_t> removeIdx; 599634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 600634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin for (size_t j = 0; j < mProClientList[i].size(); ++j) { 601634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin wp<ProClient> cl = mProClientList[i][j]; 602634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 603634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<ProClient> clStrong = cl.promote(); 604634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (clStrong != NULL && clStrong->getRemote() == cameraCallbacksRemote) { 605634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin clientPro = clStrong; 606634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin break; 607634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } else if (clStrong == NULL) { 608634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin // mark to clean up dead ptr 609634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin removeIdx.push(j); 610634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 611634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 612634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 613634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin // remove stale ptrs (in reverse so the indices dont change) 614634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin for (ssize_t j = (ssize_t)removeIdx.size() - 1; j >= 0; --j) { 615634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mProClientList[i].removeAt(removeIdx[j]); 616634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 617634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 618ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin } 619ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 620634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin return clientPro; 621ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin} 622ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 623ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkinsp<CameraService::Client> CameraService::findClientUnsafe( 624294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin const wp<IBinder>& cameraClient, int& outIndex) { 625ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin sp<Client> client; 626ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 627ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin for (int i = 0; i < mNumberOfCameras; i++) { 62865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 62965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // This happens when we have already disconnected (or this is 63065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // just another unused camera). 63165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClient[i] == 0) continue; 63265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 63365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Promote mClient. It can fail if we are called from this path: 634634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin // Client::~Client() -> disconnect() -> removeClientByRemote(). 63565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client = mClient[i].promote(); 63665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 637ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Clean up stale client entry 638ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin if (client == NULL) { 63965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[i].clear(); 64065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian continue; 64165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 64265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 64344cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin if (cameraClient == client->getRemoteCallback()->asBinder()) { 644ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Found our camera 645ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin outIndex = i; 646ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin return client; 64765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 64865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 64965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 650ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin outIndex = -1; 651ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin return NULL; 65265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 65365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 654d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkCameraService::Client* CameraService::getClientByIdUnsafe(int cameraId) { 65565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) return NULL; 656d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park return mClient[cameraId].unsafe_get(); 657d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park} 658d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 659d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkMutex* CameraService::getClientLockById(int cameraId) { 660d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (cameraId < 0 || cameraId >= mNumberOfCameras) return NULL; 661d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park return &mClientLock[cameraId]; 66265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 66365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 664634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinsp<CameraService::BasicClient> CameraService::getClientByRemote( 665294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin const wp<IBinder>& cameraClient) { 666ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 667ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Declare this before the lock to make absolutely sure the 668ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // destructor won't be called with the lock held. 669634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<BasicClient> client; 670ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 671ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin Mutex::Autolock lock(mServiceLock); 672ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 673ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin int outIndex; 674ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin client = findClientUnsafe(cameraClient, outIndex); 675ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 676ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin return client; 677ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin} 678ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 67965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::onTransact( 68065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) { 68165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Permission checks 68265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (code) { 68365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case BnCameraService::CONNECT: 684634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin case BnCameraService::CONNECT_PRO: 68565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int pid = getCallingPid(); 68665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int self_pid = getpid(); 68765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (pid != self_pid) { 68865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // we're called from a different process, do the real check 68965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!checkCallingPermission( 69065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String16("android.permission.CAMERA"))) { 69165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int uid = getCallingUid(); 69229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Permission Denial: " 69365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't use the camera pid=%d, uid=%d", pid, uid); 69465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return PERMISSION_DENIED; 69565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 69665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 69765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 69865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 69965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 70065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BnCameraService::onTransact(code, data, reply, flags); 70165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 70265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 70365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// The reason we need this busy bit is a new CameraService::connect() request 70465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// may come in while the previous Client's destructor has not been run or is 70565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// still running. If the last strong reference of the previous Client is gone 70665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// but the destructor has not been finished, we should not allow the new Client 70765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// to be created because we need to wait for the previous Client to tear down 70865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// the hardware first. 70965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::setCameraBusy(int cameraId) { 71065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(1, &mBusy[cameraId]); 711ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 712ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("setCameraBusy cameraId=%d", cameraId); 71365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 71465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 71565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::setCameraFree(int cameraId) { 71665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(0, &mBusy[cameraId]); 717ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 718ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("setCameraFree cameraId=%d", cameraId); 71965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 72065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 72165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// We share the media players for shutter and recording sound for all clients. 72265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// A reference count is kept to determine when we will actually release the 72365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// media players. 72465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 725ff4f55c8d77e276dbcceedb4e560ca1d91ba38baChih-Chung ChangMediaPlayer* CameraService::newMediaPlayer(const char *file) { 72665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian MediaPlayer* mp = new MediaPlayer(); 72765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mp->setDataSource(file, NULL) == NO_ERROR) { 72860a78ac9535878984b0777788760b9ee7465c5e6Eino-Ville Talvala mp->setAudioStreamType(AUDIO_STREAM_ENFORCED_AUDIBLE); 72965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mp->prepare(); 73065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 73129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Failed to load CameraService sounds: %s", file); 73265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 73365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 73465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mp; 73565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 73665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 73765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::loadSound() { 73865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 73965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::loadSound ref=%d", mSoundRef); 74065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSoundRef++) return; 74165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[SOUND_SHUTTER] = newMediaPlayer("/system/media/audio/ui/camera_click.ogg"); 74365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[SOUND_RECORDING] = newMediaPlayer("/system/media/audio/ui/VideoRecord.ogg"); 74465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 74565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::releaseSound() { 74765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 74865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::releaseSound ref=%d", mSoundRef); 74965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (--mSoundRef) return; 75065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 75165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < NUM_SOUNDS; i++) { 75265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSoundPlayer[i] != 0) { 75365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[i]->disconnect(); 75465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[i].clear(); 75565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 75665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 75765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 75865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 75965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::playSound(sound_kind kind) { 76065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("playSound(%d)", kind); 76165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 76265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<MediaPlayer> player = mSoundPlayer[kind]; 76365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (player != 0) { 7648888a75f01d904541e409e858d23e4150ace34b6Chih-Chung Chang player->seekTo(0); 7658888a75f01d904541e409e858d23e4150ace34b6Chih-Chung Chang player->start(); 76665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 76765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 76865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 76965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 77065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 77165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::Client::Client(const sp<CameraService>& cameraService, 772b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li const sp<ICameraClient>& cameraClient, 773ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const String16& clientPackageName, 774ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int cameraId, int cameraFacing, 775ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int clientPid, uid_t clientUid, 776ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int servicePid) : 777634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin CameraService::BasicClient(cameraService, cameraClient->asBinder(), 778ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientPackageName, 779ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala cameraId, cameraFacing, 780ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientPid, clientUid, 781ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala servicePid) 782634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 78365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 7842fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li LOG1("Client::Client E (pid %d, id %d)", callingPid, cameraId); 78565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 78644cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin mRemoteCallback = cameraClient; 7875e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 78865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian cameraService->setCameraBusy(cameraId); 78965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian cameraService->loadSound(); 790ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 7912fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li LOG1("Client::Client X (pid %d, id %d)", callingPid, cameraId); 79265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 79365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 79465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// tear down the client 79565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::Client::~Client() { 796d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGV("~Client"); 797634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mDestructionStarted = true; 798634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 799f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala mCameraService->releaseSound(); 800036bc3e2cfc5a11c3f7ace41088c8936dae2e946Igor Murashkin // unconditionally disconnect. function is idempotent 801036bc3e2cfc5a11c3f7ace41088c8936dae2e946Igor Murashkin Client::disconnect(); 80265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 80365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 804634a51509ee50475f3e9f8ccf897e90fc72ded31Igor MurashkinCameraService::BasicClient::BasicClient(const sp<CameraService>& cameraService, 805ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const sp<IBinder>& remoteCallback, 806ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const String16& clientPackageName, 807ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int cameraId, int cameraFacing, 808ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int clientPid, uid_t clientUid, 809ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int servicePid): 810ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientPackageName(clientPackageName) 811634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 812634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mCameraService = cameraService; 81344cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin mRemoteBinder = remoteCallback; 814634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mCameraId = cameraId; 815634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mCameraFacing = cameraFacing; 816634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mClientPid = clientPid; 817ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientUid = clientUid; 818634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mServicePid = servicePid; 819ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsActive = false; 820634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mDestructionStarted = false; 821634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 822634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 823634a51509ee50475f3e9f8ccf897e90fc72ded31Igor MurashkinCameraService::BasicClient::~BasicClient() { 824d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGV("~BasicClient"); 825634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mDestructionStarted = true; 826634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 827634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 828634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinvoid CameraService::BasicClient::disconnect() { 829d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGV("BasicClient::disconnect"); 83044cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin mCameraService->removeClientByRemote(mRemoteBinder); 831cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // client shouldn't be able to call into us anymore 832cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mClientPid = 0; 833634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 834634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 835ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalastatus_t CameraService::BasicClient::startCameraOps() { 836ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int32_t res; 837ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 838ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsCallback = new OpsCallback(this); 839ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 840e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin { 841e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin ALOGV("%s: Start camera ops, package name = %s, client UID = %d", 842e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin __FUNCTION__, String8(mClientPackageName).string(), mClientUid); 843e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 844e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 845ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mAppOpsManager.startWatchingMode(AppOpsManager::OP_CAMERA, 846ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientPackageName, mOpsCallback); 847ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res = mAppOpsManager.startOp(AppOpsManager::OP_CAMERA, 848ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientUid, mClientPackageName); 849ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 850ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (res != AppOpsManager::MODE_ALLOWED) { 851ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGI("Camera %d: Access for \"%s\" has been revoked", 852ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mCameraId, String8(mClientPackageName).string()); 853ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala return PERMISSION_DENIED; 854ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 855ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsActive = true; 856ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala return OK; 857ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 858ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 859ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalastatus_t CameraService::BasicClient::finishCameraOps() { 860ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (mOpsActive) { 861ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mAppOpsManager.finishOp(AppOpsManager::OP_CAMERA, mClientUid, 862ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientPackageName); 863ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsActive = false; 864ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 865ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mAppOpsManager.stopWatchingMode(mOpsCallback); 866ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsCallback.clear(); 867ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 868ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala return OK; 869ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 870ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 871ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalavoid CameraService::BasicClient::opChanged(int32_t op, const String16& packageName) { 872ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala String8 name(packageName); 873ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala String8 myName(mClientPackageName); 874ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 875ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (op != AppOpsManager::OP_CAMERA) { 876ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGW("Unexpected app ops notification received: %d", op); 877ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala return; 878ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 879ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 880ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int32_t res; 881ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res = mAppOpsManager.checkOp(AppOpsManager::OP_CAMERA, 882ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientUid, mClientPackageName); 883ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGV("checkOp returns: %d, %s ", res, 884ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res == AppOpsManager::MODE_ALLOWED ? "ALLOWED" : 885ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res == AppOpsManager::MODE_IGNORED ? "IGNORED" : 886ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res == AppOpsManager::MODE_ERRORED ? "ERRORED" : 887ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala "UNKNOWN"); 888ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 889ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (res != AppOpsManager::MODE_ALLOWED) { 890ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGI("Camera %d: Access for \"%s\" revoked", mCameraId, 891ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala myName.string()); 892ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala // Reset the client PID to allow server-initiated disconnect, 893ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala // and to prevent further calls by client. 894ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientPid = getCallingPid(); 895ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala notifyError(); 896ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala disconnect(); 897ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 898ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 899ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 90065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 90165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 902d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkMutex* CameraService::Client::getClientLockFromCookie(void* user) { 903d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park return gCameraService->getClientLockById((int) user); 904d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park} 905d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 906d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park// Provide client pointer for callbacks. Client lock returned from getClientLockFromCookie should 907d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park// be acquired for this to be safe 908d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkCameraService::Client* CameraService::Client::getClientFromCookie(void* user) { 909d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park Client* client = gCameraService->getClientByIdUnsafe((int) user); 91065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 91165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // This could happen if the Client is in the process of shutting down (the 91265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // last strong reference is gone, but the destructor hasn't finished 91365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // stopping the hardware). 914d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (client == NULL) return NULL; 915d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 916d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park // destruction already started, so should not be accessed 917d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (client->mDestructionStarted) return NULL; 91865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 91965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return client; 92065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 92165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 922ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalavoid CameraService::Client::notifyError() { 92344cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin mRemoteCallback->notifyCallback(CAMERA_MSG_ERROR, CAMERA_ERROR_RELEASED, 0); 924ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 925ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 926036bc3e2cfc5a11c3f7ace41088c8936dae2e946Igor Murashkin// NOTE: function is idempotent 9275e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraService::Client::disconnect() { 928d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGV("Client::disconnect"); 929634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin BasicClient::disconnect(); 9305e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mCameraService->setCameraFree(mCameraId); 93193747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin 93293747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin StatusVector rejectSourceStates; 93393747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin rejectSourceStates.push_back(ICameraServiceListener::STATUS_NOT_PRESENT); 93493747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin rejectSourceStates.push_back(ICameraServiceListener::STATUS_ENUMERATING); 93593747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin 93693747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin // Transition to PRESENT if the camera is not in either of above 2 states 937cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mCameraService->updateStatus(ICameraServiceListener::STATUS_PRESENT, 93893747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin mCameraId, 93993747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin &rejectSourceStates); 940e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li} 941e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li 942ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville TalvalaCameraService::Client::OpsCallback::OpsCallback(wp<BasicClient> client): 943ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClient(client) { 944ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 945ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 946ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalavoid CameraService::Client::OpsCallback::opChanged(int32_t op, 947ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const String16& packageName) { 948ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala sp<BasicClient> client = mClient.promote(); 949ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (client != NULL) { 950ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala client->opChanged(op, packageName); 951ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 952ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 953ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 95465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 955634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin// IProCamera 956634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin// ---------------------------------------------------------------------------- 957634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 958634a51509ee50475f3e9f8ccf897e90fc72ded31Igor MurashkinCameraService::ProClient::ProClient(const sp<CameraService>& cameraService, 959ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const sp<IProCameraCallbacks>& remoteCallback, 960ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const String16& clientPackageName, 961ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int cameraId, 962ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int cameraFacing, 963ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int clientPid, 964ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala uid_t clientUid, 965ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int servicePid) 966ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala : CameraService::BasicClient(cameraService, remoteCallback->asBinder(), 967ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientPackageName, cameraId, cameraFacing, 968ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientPid, clientUid, servicePid) 969634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 970634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mRemoteCallback = remoteCallback; 971634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 972634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 973634a51509ee50475f3e9f8ccf897e90fc72ded31Igor MurashkinCameraService::ProClient::~ProClient() { 974634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 975634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 976ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalavoid CameraService::ProClient::notifyError() { 977e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin mRemoteCallback->notifyCallback(CAMERA_MSG_ERROR, CAMERA_ERROR_RELEASED, 0); 978ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 979ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 980634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin// ---------------------------------------------------------------------------- 98165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 98265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const int kDumpLockRetries = 50; 98365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const int kDumpLockSleep = 60000; 98465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 98565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic bool tryLock(Mutex& mutex) 98665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 98765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = false; 98865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < kDumpLockRetries; ++i) { 98965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mutex.tryLock() == NO_ERROR) { 99065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian locked = true; 99165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 99265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 99365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian usleep(kDumpLockSleep); 99465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 99565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return locked; 99665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 99765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 99865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::dump(int fd, const Vector<String16>& args) { 99965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 result; 100065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 1001611f61998863d3a3ffae4e5f2b723b7319c59ddfEino-Ville Talvala result.appendFormat("Permission Denial: " 100265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't dump CameraService from pid=%d, uid=%d\n", 100365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian getCallingPid(), 100465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian getCallingUid()); 100565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 100665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 100765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = tryLock(mServiceLock); 100865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // failed to lock - CameraService is probably deadlocked 100965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!locked) { 1010611f61998863d3a3ffae4e5f2b723b7319c59ddfEino-Ville Talvala result.append("CameraService may be deadlocked\n"); 1011f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 101265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 101365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 101465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool hasClient = false; 1015f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (!mModule) { 1016f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("No camera module available!\n"); 1017f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1018f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala return NO_ERROR; 1019f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 1020f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala 1021f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("Camera module HAL API version: 0x%x\n", 1022f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala mModule->common.hal_api_version); 1023f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat("Camera module API version: 0x%x\n", 1024f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala mModule->common.module_api_version); 1025f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat("Camera module name: %s\n", 1026f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala mModule->common.name); 1027f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat("Camera module author: %s\n", 1028f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala mModule->common.author); 1029f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat("Number of camera devices: %d\n\n", mNumberOfCameras); 1030f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 103165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 1032f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("Camera %d static information:\n", i); 1033f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala camera_info info; 1034f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala 1035f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala status_t rc = mModule->get_camera_info(i, &info); 1036f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (rc != OK) { 1037f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Error reading static information!\n"); 1038f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1039f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } else { 1040f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Facing: %s\n", 1041f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala info.facing == CAMERA_FACING_BACK ? "BACK" : "FRONT"); 1042f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Orientation: %d\n", info.orientation); 1043f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala int deviceVersion; 1044f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (mModule->common.module_api_version < 1045f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala CAMERA_MODULE_API_VERSION_2_0) { 1046f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala deviceVersion = CAMERA_DEVICE_API_VERSION_1_0; 1047f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } else { 1048f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala deviceVersion = info.device_version; 1049f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 1050f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Device version: 0x%x\n", deviceVersion); 1051f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (deviceVersion >= CAMERA_DEVICE_API_VERSION_2_0) { 1052f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Device static metadata:\n"); 1053f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1054428b77a2b94b74665a47375b3fdb893b98d71269Eino-Ville Talvala dump_indented_camera_metadata(info.static_camera_characteristics, 1055428b77a2b94b74665a47375b3fdb893b98d71269Eino-Ville Talvala fd, 2, 4); 1056f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } else { 1057f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1058f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 1059f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 1060f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala 106165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = mClient[i].promote(); 1062f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (client == 0) { 1063f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format(" Device is closed, no client instance\n"); 1064f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1065f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala continue; 1066f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 106765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian hasClient = true; 1068f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format(" Device is open. Client instance dump:\n"); 1069f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 10705e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client->dump(fd, args); 107165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 107265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!hasClient) { 1073f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("\nNo active camera clients yet.\n"); 1074f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 107565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 107665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 107765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (locked) mServiceLock.unlock(); 107865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 107965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // change logging level 108065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int n = args.size(); 108165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i + 1 < n; i++) { 1082611f61998863d3a3ffae4e5f2b723b7319c59ddfEino-Ville Talvala String16 verboseOption("-v"); 1083611f61998863d3a3ffae4e5f2b723b7319c59ddfEino-Ville Talvala if (args[i] == verboseOption) { 108465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 levelStr(args[i+1]); 108565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int level = atoi(levelStr.string()); 1086f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("\nSetting log level to %d.\n", level); 108765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian setLogLevel(level); 1088f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 108965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 109065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 1091f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala 109265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 109365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 109465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 109565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1096ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin/*virtual*/void CameraService::binderDied( 1097ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin const wp<IBinder> &who) { 1098ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1099294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin /** 1100294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin * While tempting to promote the wp<IBinder> into a sp, 1101294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin * it's actually not supported by the binder driver 1102294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin */ 1103294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin 1104ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("java clients' binder died"); 1105ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1106634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<BasicClient> cameraClient = getClientByRemote(who); 1107ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1108294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin if (cameraClient == 0) { 1109ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("java clients' binder death already cleaned up (normal case)"); 1110ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin return; 1111ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin } 1112ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1113ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGW("Disconnecting camera client %p since the binder for it " 1114ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin "died (this pid %d)", cameraClient.get(), getCallingPid()); 1115ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1116ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin cameraClient->disconnect(); 1117ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1118ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin} 1119ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1120bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkinvoid CameraService::updateStatus(ICameraServiceListener::Status status, 112193747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin int32_t cameraId, 112293747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin const StatusVector *rejectSourceStates) { 1123bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin // do not lock mServiceLock here or can get into a deadlock from 1124bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin // connect() -> ProClient::disconnect -> updateStatus 1125bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Mutex::Autolock lock(mStatusMutex); 1126bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1127bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ICameraServiceListener::Status oldStatus = mStatusList[cameraId]; 1128bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1129bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin mStatusList[cameraId] = status; 1130bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1131bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if (oldStatus != status) { 1132bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGV("%s: Status has changed for camera ID %d from 0x%x to 0x%x", 1133bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin __FUNCTION__, cameraId, (uint32_t)oldStatus, (uint32_t)status); 1134bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1135cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (oldStatus == ICameraServiceListener::STATUS_NOT_PRESENT && 1136cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin (status != ICameraServiceListener::STATUS_PRESENT && 1137cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin status != ICameraServiceListener::STATUS_ENUMERATING)) { 1138cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 1139cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGW("%s: From NOT_PRESENT can only transition into PRESENT" 1140cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin " or ENUMERATING", __FUNCTION__); 1141cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mStatusList[cameraId] = oldStatus; 1142cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return; 1143cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 1144cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 114593747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin if (rejectSourceStates != NULL) { 114693747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin const StatusVector &rejectList = *rejectSourceStates; 114793747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin StatusVector::const_iterator it = rejectList.begin(); 114893747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin 114993747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin /** 115093747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin * Sometimes we want to conditionally do a transition. 115193747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin * For example if a client disconnects, we want to go to PRESENT 115293747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin * only if we weren't already in NOT_PRESENT or ENUMERATING. 115393747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin */ 115493747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin for (; it != rejectList.end(); ++it) { 115593747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin if (oldStatus == *it) { 115693747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin ALOGV("%s: Rejecting status transition for Camera ID %d, " 115793747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin " since the source state was was in one of the bad " 115893747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin " states.", __FUNCTION__, cameraId); 115993747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin mStatusList[cameraId] = oldStatus; 116093747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin return; 116193747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin } 116293747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin } 116393747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin } 116493747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin 1165bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin /** 1166bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin * ProClients lose their exclusive lock. 1167bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin * - Done before the CameraClient can initialize the HAL device, 1168bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin * since we want to be able to close it before they get to initialize 1169bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin */ 1170bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if (status == ICameraServiceListener::STATUS_NOT_AVAILABLE) { 1171bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<wp<ProClient> > proClients(mProClientList[cameraId]); 1172bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<wp<ProClient> >::const_iterator it; 1173bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1174bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (it = proClients.begin(); it != proClients.end(); ++it) { 1175bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin sp<ProClient> proCl = it->promote(); 1176bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if (proCl.get() != NULL) { 1177bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin proCl->onExclusiveLockStolen(); 1178bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1179bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1180bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1181bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1182bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<sp<ICameraServiceListener> >::const_iterator it; 1183bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (it = mListenerList.begin(); it != mListenerList.end(); ++it) { 1184bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin (*it)->onStatusChanged(status, cameraId); 1185bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1186bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1187bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin} 1188bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1189cba2c163555cd329f49d40658ea3ee902e94dda3Igor MurashkinICameraServiceListener::Status CameraService::getStatus(int cameraId) const { 1190cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (cameraId < 0 || cameraId >= MAX_CAMERAS) { 1191cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGE("%s: Invalid camera ID %d", __FUNCTION__, cameraId); 1192cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return ICameraServiceListener::STATUS_UNKNOWN; 1193cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 1194cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 1195cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin Mutex::Autolock al(mStatusMutex); 1196cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return mStatusList[cameraId]; 1197cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin} 1198cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 119965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; // namespace android 1200