CameraService.cpp revision f05e50eb06d3f70e50fa7f44c1fd32128033b49d
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" 417b82efe7a376c882f8f938e1c41b8311a8cdda4aEino-Ville Talvala#include "api1/CameraClient.h" 427b82efe7a376c882f8f938e1c41b8311a8cdda4aEino-Ville Talvala#include "api1/Camera2Client.h" 437b82efe7a376c882f8f938e1c41b8311a8cdda4aEino-Ville Talvala#include "api_pro/ProCamera2Client.h" 447b82efe7a376c882f8f938e1c41b8311a8cdda4aEino-Ville Talvala#include "api2/CameraDeviceClient.h" 4598e24724fb77445d4d015a5fec4ecbd5b49abc9bIgor Murashkin#include "CameraDeviceFactory.h" 4665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 4865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 5065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Logging support -- this is for debugging only 5165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Use "adb shell dumpsys media.camera -v 1" to change it. 525e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavolatile int32_t gLogLevel = 0; 5365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 54b8a805261bf0282e992d3608035e47d05a898710Steve Block#define LOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__); 55b8a805261bf0282e992d3608035e47d05a898710Steve Block#define LOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__); 5665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic void setLogLevel(int level) { 5865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(level, &gLogLevel); 5965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 6065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 6265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic int getCallingPid() { 6465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return IPCThreadState::self()->getCallingPid(); 6565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 6665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic int getCallingUid() { 6865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return IPCThreadState::self()->getCallingUid(); 6965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 7065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 71cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkinextern "C" { 72cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkinstatic void camera_device_status_change( 73cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin const struct camera_module_callbacks* callbacks, 74cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int camera_id, 75cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int new_status) { 76cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin sp<CameraService> cs = const_cast<CameraService*>( 77cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin static_cast<const CameraService*>(callbacks)); 78cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 79cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin cs->onDeviceStatusChanged( 80cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin camera_id, 81cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin new_status); 82cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin} 83cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin} // extern "C" 84cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 8565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 8665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 8765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// This is ugly and only safe if we never re-create the CameraService, but 8865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// should be ok for now. 8965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic CameraService *gCameraService; 9065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 9165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::CameraService() 92ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala :mSoundRef(0), mModule(0) 9365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 94df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("CameraService started (pid=%d)", getpid()); 958951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev gCameraService = this; 96bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 97bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (size_t i = 0; i < MAX_CAMERAS; ++i) { 98cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mStatusList[i] = ICameraServiceListener::STATUS_PRESENT; 99bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 100cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 101cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin this->camera_device_status_change = android::camera_device_status_change; 1028951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev} 10365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1048951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchevvoid CameraService::onFirstRef() 1058951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev{ 106634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin LOG1("CameraService::onFirstRef"); 107634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1088951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev BnCameraService::onFirstRef(); 10965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1108951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (hw_get_module(CAMERA_HARDWARE_MODULE_ID, 1118951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev (const hw_module_t **)&mModule) < 0) { 11229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not load camera HAL module"); 1138951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = 0; 1148951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 1158951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev else { 116c0dd54f1a77fb94ae69cc3ac5944d718bb6caa28Alex Ray ALOGI("Loaded \"%s\" camera module", mModule->common.name); 1178951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = mModule->get_number_of_cameras(); 1188951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (mNumberOfCameras > MAX_CAMERAS) { 11929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Number of cameras(%d) > MAX_CAMERAS(%d).", 1208951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras, MAX_CAMERAS); 1218951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = MAX_CAMERAS; 1228951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 1238951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev for (int i = 0; i < mNumberOfCameras; i++) { 1248951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev setCameraFree(i); 1258951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 126cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 127cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (mModule->common.module_api_version >= 128cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin CAMERA_MODULE_API_VERSION_2_1) { 129cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mModule->set_callbacks(this); 130cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 13198e24724fb77445d4d015a5fec4ecbd5b49abc9bIgor Murashkin 13298e24724fb77445d4d015a5fec4ecbd5b49abc9bIgor Murashkin CameraDeviceFactory::registerService(this); 13365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 13465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 13565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 13665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::~CameraService() { 13765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 13865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mBusy[i]) { 13929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("camera %d is still in use in destructor!", i); 14065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 14165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 14265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 14365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian gCameraService = NULL; 14465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 14565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 146cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkinvoid CameraService::onDeviceStatusChanged(int cameraId, 147cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int newStatus) 148cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin{ 149cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGI("%s: Status changed for cameraId=%d, newStatus=%d", __FUNCTION__, 150cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin cameraId, newStatus); 151cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 152cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (cameraId < 0 || cameraId >= MAX_CAMERAS) { 153cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGE("%s: Bad camera ID %d", __FUNCTION__, cameraId); 154cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return; 155cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 156cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 157cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if ((int)getStatus(cameraId) == newStatus) { 158cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGE("%s: State transition to the same status 0x%x not allowed", 159cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin __FUNCTION__, (uint32_t)newStatus); 160cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return; 161cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 162cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 163cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /* don't do this in updateStatus 164cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin since it is also called from connect and we could get into a deadlock */ 165cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (newStatus == CAMERA_DEVICE_STATUS_NOT_PRESENT) { 166cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin Vector<sp<BasicClient> > clientsToDisconnect; 167cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin { 168cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin Mutex::Autolock al(mServiceLock); 169cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 170cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /* Find all clients that we need to disconnect */ 171e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client = mClient[cameraId].promote(); 172cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (client.get() != NULL) { 173cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin clientsToDisconnect.push_back(client); 174cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 175cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 176cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int i = cameraId; 177cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin for (size_t j = 0; j < mProClientList[i].size(); ++j) { 178cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin sp<ProClient> cl = mProClientList[i][j].promote(); 179cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (cl != NULL) { 180cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin clientsToDisconnect.push_back(cl); 181cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 182cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 183cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 184cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 185cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /* now disconnect them. don't hold the lock 186cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin or we can get into a deadlock */ 187cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 188cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin for (size_t i = 0; i < clientsToDisconnect.size(); ++i) { 189cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin sp<BasicClient> client = clientsToDisconnect[i]; 190cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 191cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin client->disconnect(); 192cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /** 193cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin * The remote app will no longer be able to call methods on the 194cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin * client since the client PID will be reset to 0 195cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin */ 196cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 197cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 198cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGV("%s: After unplug, disconnected %d clients", 199cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin __FUNCTION__, clientsToDisconnect.size()); 200cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 201cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 202cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin updateStatus( 203cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin static_cast<ICameraServiceListener::Status>(newStatus), cameraId); 204cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 205cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin} 206cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 20765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianint32_t CameraService::getNumberOfCameras() { 20865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mNumberOfCameras; 20965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 21065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 21165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::getCameraInfo(int cameraId, 21265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian struct CameraInfo* cameraInfo) { 2138951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (!mModule) { 2140f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -ENODEV; 2158951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 2168951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 21765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) { 21865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BAD_VALUE; 21965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 22065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2218951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev struct camera_info info; 2228951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev status_t rc = mModule->get_camera_info(cameraId, &info); 2238951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev cameraInfo->facing = info.facing; 2248951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev cameraInfo->orientation = info.orientation; 2258951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev return rc; 22665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 22765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2282b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun Hestatus_t CameraService::getCameraCharacteristics(int cameraId, 2292b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He CameraMetadata* cameraInfo) { 2302b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He if (!cameraInfo) { 2312b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He ALOGE("%s: cameraInfo is NULL", __FUNCTION__); 2322b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return BAD_VALUE; 2332b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He } 2342b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 2352b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He if (!mModule) { 2362b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He ALOGE("%s: camera hardware module doesn't exist", __FUNCTION__); 2372b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return -ENODEV; 2382b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He } 2392b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 2402b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He if (mModule->common.module_api_version < CAMERA_MODULE_API_VERSION_2_0) { 2412b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He // TODO: Remove this check once HAL1 shim is in place. 2422b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He ALOGE("%s: Only HAL module version V2 or higher supports static metadata", __FUNCTION__); 2432b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return BAD_VALUE; 2442b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He } 2452b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 2462b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He if (cameraId < 0 || cameraId >= mNumberOfCameras) { 2472b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He ALOGE("%s: Invalid camera id: %d", __FUNCTION__, cameraId); 2482b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return BAD_VALUE; 2492b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He } 2502b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 2512b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He int facing; 2522b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He if (getDeviceVersion(cameraId, &facing) == CAMERA_DEVICE_API_VERSION_1_0) { 2532b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He // TODO: Remove this check once HAL1 shim is in place. 2542b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He ALOGE("%s: HAL1 doesn't support static metadata yet", __FUNCTION__); 2552b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return BAD_VALUE; 2562b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He } 2572b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 258f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He if (getDeviceVersion(cameraId, &facing) <= CAMERA_DEVICE_API_VERSION_2_1) { 259f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He // Disable HAL2.x support for camera2 API for now. 260f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He ALOGW("%s: HAL2.x doesn't support getCameraCharacteristics for now", __FUNCTION__); 261f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He return BAD_VALUE; 262f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He } 263f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He 2642b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He struct camera_info info; 2652b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He status_t ret = mModule->get_camera_info(cameraId, &info); 2662b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He *cameraInfo = info.static_camera_characteristics; 2672b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 2682b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return ret; 2692b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He} 2702b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 271634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinint CameraService::getDeviceVersion(int cameraId, int* facing) { 272634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin struct camera_info info; 273634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (mModule->get_camera_info(cameraId, &info) != OK) { 274634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin return -1; 275634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 276634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 277634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin int deviceVersion; 278634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (mModule->common.module_api_version >= CAMERA_MODULE_API_VERSION_2_0) { 279634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin deviceVersion = info.device_version; 280634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } else { 281634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin deviceVersion = CAMERA_DEVICE_API_VERSION_1_0; 282634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 283634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 284634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (facing) { 285634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin *facing = info.facing; 286634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 287634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 288634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin return deviceVersion; 289634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 290634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 291bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkinbool CameraService::isValidCameraId(int cameraId) { 292bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin int facing; 293bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin int deviceVersion = getDeviceVersion(cameraId, &facing); 294bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 295bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin switch(deviceVersion) { 296bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin case CAMERA_DEVICE_API_VERSION_1_0: 297bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin case CAMERA_DEVICE_API_VERSION_2_0: 298bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin case CAMERA_DEVICE_API_VERSION_2_1: 299bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin case CAMERA_DEVICE_API_VERSION_3_0: 300bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return true; 301bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin default: 302bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return false; 303bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 304bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 305bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return false; 306bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin} 307bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 3080f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunkstatus_t CameraService::validateConnect(int cameraId, 309e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin /*inout*/ 310e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int& clientUid) const { 311ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 31265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 3135861a9a98c641261c4807c976c750e4611b3a57dTyler Luu 314ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (clientUid == USE_CALLING_UID) { 315ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientUid = getCallingUid(); 316ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } else { 317ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala // We only trust our own process to forward client UIDs 318ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (callingPid != getpid()) { 319ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGE("CameraService::connect X (pid %d) rejected (don't trust clientUid)", 320ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala callingPid); 3210f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return PERMISSION_DENIED; 322ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 323ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 32465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3258951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (!mModule) { 32629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Camera HAL module not loaded"); 3270f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -ENODEV; 3288951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 3298951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 33065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) { 33129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("CameraService::connect X (pid %d) rejected (invalid cameraId %d).", 33265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian callingPid, cameraId); 3330f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -ENODEV; 33465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 33565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 336a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li char value[PROPERTY_VALUE_MAX]; 337a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li property_get("sys.secpolicy.camera.disabled", value, "0"); 338a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li if (strcmp(value, "1") == 0) { 339a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li // Camera is disabled by DevicePolicyManager. 340df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Camera is disabled. connect X (pid %d) rejected", callingPid); 3410f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -EACCES; 342a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li } 343a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li 344cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ICameraServiceListener::Status currentStatus = getStatus(cameraId); 345cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (currentStatus == ICameraServiceListener::STATUS_NOT_PRESENT) { 346cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGI("Camera is not plugged in," 347cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin " connect X (pid %d) rejected", callingPid); 3480f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -ENODEV; 349cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } else if (currentStatus == ICameraServiceListener::STATUS_ENUMERATING) { 350cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGI("Camera is enumerating," 351cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin " connect X (pid %d) rejected", callingPid); 3520f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -EBUSY; 353cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 354cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // Else don't check for STATUS_NOT_AVAILABLE. 355cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // -- It's done implicitly in canConnectUnsafe /w the mBusy array 356cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 3570f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 358e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin} 359e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 360e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkinbool CameraService::canConnectUnsafe(int cameraId, 361e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const String16& clientPackageName, 362e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const sp<IBinder>& remoteCallback, 363e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> &client) { 364e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin String8 clientName8(clientPackageName); 365e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int callingPid = getCallingPid(); 366e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 36708ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (mClient[cameraId] != 0) { 36808ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li client = mClient[cameraId].promote(); 36908ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (client != 0) { 370e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin if (remoteCallback == client->getRemote()) { 37108ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li LOG1("CameraService::connect X (pid %d) (the same client)", 37208ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li callingPid); 373e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return true; 37408ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li } else { 375e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin // TODOSC: need to support 1 regular client, 376e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin // multiple shared clients here 377e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin ALOGW("CameraService::connect X (pid %d) rejected" 378e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin " (existing client).", callingPid); 379e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return false; 3802fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li } 3812fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li } 38208ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li mClient[cameraId].clear(); 38308ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li } 38408ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li 385634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin /* 386634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mBusy is set to false as the last step of the Client destructor, 387634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin after which it is guaranteed that the Client destructor has finished ( 388634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin including any inherited destructors) 389634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 390634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin We only need this for a Client subclasses since we don't allow 391634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin multiple Clents to be opened concurrently, but multiple BasicClient 392634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin would be fine 393634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin */ 39408ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (mBusy[cameraId]) { 395ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGW("CameraService::connect X (pid %d, \"%s\") rejected" 396ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala " (camera %d is still busy).", callingPid, 397ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientName8.string(), cameraId); 398e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return false; 399e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 400e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 401e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return true; 402e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin} 403e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 4040f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunkstatus_t CameraService::connect( 405e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const sp<ICameraClient>& cameraClient, 406e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int cameraId, 407e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const String16& clientPackageName, 4080f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk int clientUid, 4090f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk /*out*/ 4100f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk sp<ICamera>& device) { 411e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 412e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin String8 clientName8(clientPackageName); 413e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int callingPid = getCallingPid(); 414e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 415e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin LOG1("CameraService::connect E (pid %d \"%s\", id %d)", callingPid, 416e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin clientName8.string(), cameraId); 417e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 4180f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = validateConnect(cameraId, /*inout*/clientUid); 4190f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 4200f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 421e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 422e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 423e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 424e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<Client> client; 425acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin { 426acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin Mutex::Autolock lock(mServiceLock); 427e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> clientTmp; 428acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin if (!canConnectUnsafe(cameraId, clientPackageName, 429acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraClient->asBinder(), 430e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin /*out*/clientTmp)) { 4310f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -EBUSY; 432acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } else if (client.get() != NULL) { 4330f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk device = static_cast<Client*>(clientTmp.get()); 4340f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 435acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 43665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 437acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin int facing = -1; 438acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin int deviceVersion = getDeviceVersion(cameraId, &facing); 439634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 440acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // If there are other non-exclusive users of the camera, 441acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // this will tear them down before we can reuse the camera 442acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin if (isValidCameraId(cameraId)) { 443cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // transition from PRESENT -> NOT_AVAILABLE 444acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin updateStatus(ICameraServiceListener::STATUS_NOT_AVAILABLE, 445acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraId); 446acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 447bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 448acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin switch(deviceVersion) { 449acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_1_0: 450acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin client = new CameraClient(this, cameraClient, 451acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin clientPackageName, cameraId, 452acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin facing, callingPid, clientUid, getpid()); 453acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin break; 454acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_0: 455acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_1: 456acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_3_0: 457acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin client = new Camera2Client(this, cameraClient, 458acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin clientPackageName, cameraId, 459acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin facing, callingPid, clientUid, getpid(), 460acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin deviceVersion); 461acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin break; 462acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case -1: 463acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Invalid camera id %d", cameraId); 4640f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return BAD_VALUE; 465acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin default: 466acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Unknown camera device HAL version: %d", deviceVersion); 4670f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return INVALID_OPERATION; 468acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 4698951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 4700f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = connectFinishUnsafe(client, client->getRemote()); 4710f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 472acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // this is probably not recoverable.. maybe the client can try again 473cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // OK: we can only get here if we were originally in PRESENT state 474cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin updateStatus(ICameraServiceListener::STATUS_PRESENT, cameraId); 4750f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 476acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 477634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 478acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin mClient[cameraId] = client; 479acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin LOG1("CameraService::connect X (id %d, this pid is %d)", cameraId, 480acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin getpid()); 481acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 482acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // important: release the mutex here so the client can call back 483acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // into the service from its destructor (can be at the end of the call) 484bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 4850f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk device = client; 4860f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 487634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 488634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 4890f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunkstatus_t CameraService::connectFinishUnsafe(const sp<BasicClient>& client, 4900f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk const sp<IBinder>& remoteCallback) { 4910f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = client->initialize(mModule); 4920f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 4930f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 494e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 495e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 496e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin remoteCallback->linkToDeath(this); 497e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 4980f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 499e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin} 500e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 5010f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunkstatus_t CameraService::connectPro( 502634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin const sp<IProCameraCallbacks>& cameraCb, 503c073ba525404f3416c2824c435d3d926a9892f1bIgor Murashkin int cameraId, 504c073ba525404f3416c2824c435d3d926a9892f1bIgor Murashkin const String16& clientPackageName, 5050f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk int clientUid, 5060f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk /*out*/ 5070f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk sp<IProCameraUser>& device) 508634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 509bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin String8 clientName8(clientPackageName); 510634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin int callingPid = getCallingPid(); 511634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 512e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin LOG1("CameraService::connectPro E (pid %d \"%s\", id %d)", callingPid, 513e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin clientName8.string(), cameraId); 5140f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = validateConnect(cameraId, /*inout*/clientUid); 5150f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 5160f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 51761ab9f93315ea817cd1ac110e2a95da4dab6b4d1Eino-Ville Talvala } 51861ab9f93315ea817cd1ac110e2a95da4dab6b4d1Eino-Ville Talvala 519acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin sp<ProClient> client; 520e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin { 521acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin Mutex::Autolock lock(mServiceLock); 522acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin { 523e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client; 524acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin if (!canConnectUnsafe(cameraId, clientPackageName, 525acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraCb->asBinder(), 526acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin /*out*/client)) { 5270f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -EBUSY; 528acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 529e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 530634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 531acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin int facing = -1; 532acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin int deviceVersion = getDeviceVersion(cameraId, &facing); 533634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 534acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin switch(deviceVersion) { 535acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_1_0: 536acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Camera id %d uses HALv1, doesn't support ProCamera", 537acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraId); 53817963d16d66526288ed66c91a6744daf3acfd731Ruben Brunk return -EOPNOTSUPP; 539acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin break; 540acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_0: 541acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_1: 54247110057829ba7d5c7b41fd2aa381b5f5ed811caZhijun He case CAMERA_DEVICE_API_VERSION_3_0: 543acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin client = new ProCamera2Client(this, cameraCb, String16(), 544acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraId, facing, callingPid, USE_CALLING_UID, getpid()); 545acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin break; 546acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case -1: 547acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Invalid camera id %d", cameraId); 5480f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return BAD_VALUE; 549acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin default: 550acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Unknown camera device HAL version: %d", deviceVersion); 5510f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return INVALID_OPERATION; 552acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 5535861a9a98c641261c4807c976c750e4611b3a57dTyler Luu 5540f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = connectFinishUnsafe(client, client->getRemote()); 5550f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 5560f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 557acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 558f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala 559acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin mProClientList[cameraId].push(client); 560634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 561acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin LOG1("CameraService::connectPro X (id %d, this pid is %d)", cameraId, 562acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin getpid()); 563acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 564acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // important: release the mutex here so the client can call back 565acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // into the service from its destructor (can be at the end of the call) 5660f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk device = client; 5670f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 568bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin} 569634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 5700f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunkstatus_t CameraService::connectDevice( 571e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin const sp<ICameraDeviceCallbacks>& cameraCb, 572e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin int cameraId, 573e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin const String16& clientPackageName, 5740f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk int clientUid, 5750f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk /*out*/ 5760f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk sp<ICameraDeviceUser>& device) 577e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin{ 578e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 579e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin String8 clientName8(clientPackageName); 580e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin int callingPid = getCallingPid(); 581e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 582e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin LOG1("CameraService::connectDevice E (pid %d \"%s\", id %d)", callingPid, 583e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin clientName8.string(), cameraId); 584e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 5850f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = validateConnect(cameraId, /*inout*/clientUid); 5860f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 5870f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 588e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 589e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 590e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<CameraDeviceClient> client; 591e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin { 592e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin Mutex::Autolock lock(mServiceLock); 593e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin { 594e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client; 595e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin if (!canConnectUnsafe(cameraId, clientPackageName, 596e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin cameraCb->asBinder(), 597e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin /*out*/client)) { 5980f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -EBUSY; 599e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 600e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 601e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 602e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin int facing = -1; 603e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin int deviceVersion = getDeviceVersion(cameraId, &facing); 604e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 605e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // If there are other non-exclusive users of the camera, 606e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // this will tear them down before we can reuse the camera 607e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin if (isValidCameraId(cameraId)) { 608e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // transition from PRESENT -> NOT_AVAILABLE 609e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin updateStatus(ICameraServiceListener::STATUS_NOT_AVAILABLE, 610e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin cameraId); 611e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 612e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 613e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin switch(deviceVersion) { 614e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin case CAMERA_DEVICE_API_VERSION_1_0: 6150f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk ALOGW("Camera using old HAL version: %d", deviceVersion); 61617963d16d66526288ed66c91a6744daf3acfd731Ruben Brunk return -EOPNOTSUPP; 617e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // TODO: don't allow 2.0 Only allow 2.1 and higher 618e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_0: 619e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_1: 620e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin case CAMERA_DEVICE_API_VERSION_3_0: 621e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin client = new CameraDeviceClient(this, cameraCb, String16(), 622e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin cameraId, facing, callingPid, USE_CALLING_UID, getpid()); 623e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin break; 624e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin case -1: 625e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin ALOGE("Invalid camera id %d", cameraId); 6260f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return BAD_VALUE; 627e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin default: 628e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin ALOGE("Unknown camera device HAL version: %d", deviceVersion); 6290f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return INVALID_OPERATION; 630e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 631e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 6320f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = connectFinishUnsafe(client, client->getRemote()); 6330f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 634e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // this is probably not recoverable.. maybe the client can try again 635e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // OK: we can only get here if we were originally in PRESENT state 636e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin updateStatus(ICameraServiceListener::STATUS_PRESENT, cameraId); 6370f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 638e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 639e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 640e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin LOG1("CameraService::connectDevice X (id %d, this pid is %d)", cameraId, 641e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin getpid()); 642e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 643e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin mClient[cameraId] = client; 644e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 645e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // important: release the mutex here so the client can call back 646e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // into the service from its destructor (can be at the end of the call) 647e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 6480f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk device = client; 6490f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 650e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin} 651e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 652e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 653bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkinstatus_t CameraService::addListener( 654bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin const sp<ICameraServiceListener>& listener) { 655bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGV("%s: Add listener %p", __FUNCTION__, listener.get()); 656634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 657bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Mutex::Autolock lock(mServiceLock); 658bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 659bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<sp<ICameraServiceListener> >::iterator it, end; 660bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (it = mListenerList.begin(); it != mListenerList.end(); ++it) { 661bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if ((*it)->asBinder() == listener->asBinder()) { 662bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGW("%s: Tried to add listener %p which was already subscribed", 663bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin __FUNCTION__, listener.get()); 664bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return ALREADY_EXISTS; 665bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 666bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 667bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 668bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin mListenerList.push_back(listener); 669bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 670cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /* Immediately signal current status to this listener only */ 671cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin { 672cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin Mutex::Autolock m(mStatusMutex) ; 673cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int numCams = getNumberOfCameras(); 674cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin for (int i = 0; i < numCams; ++i) { 675cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin listener->onStatusChanged(mStatusList[i], i); 676cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 677cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 678cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 679bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return OK; 680bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin} 681bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkinstatus_t CameraService::removeListener( 682bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin const sp<ICameraServiceListener>& listener) { 683bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGV("%s: Remove listener %p", __FUNCTION__, listener.get()); 684bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 685bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Mutex::Autolock lock(mServiceLock); 686bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 687bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<sp<ICameraServiceListener> >::iterator it; 688bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (it = mListenerList.begin(); it != mListenerList.end(); ++it) { 689bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if ((*it)->asBinder() == listener->asBinder()) { 690bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin mListenerList.erase(it); 691bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return OK; 692bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 693bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 694bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 695bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGW("%s: Tried to remove a listener %p which was not subscribed", 696bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin __FUNCTION__, listener.get()); 697bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 698bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return BAD_VALUE; 69965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 70065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 701634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinvoid CameraService::removeClientByRemote(const wp<IBinder>& remoteBinder) { 70265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 703634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin LOG1("CameraService::removeClientByRemote E (pid %d)", callingPid); 70465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 705ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Declare this before the lock to make absolutely sure the 706ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // destructor won't be called with the lock held. 707ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin Mutex::Autolock lock(mServiceLock); 708ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 709ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin int outIndex; 710e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client = findClientUnsafe(remoteBinder, outIndex); 711ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 712ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin if (client != 0) { 713ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Found our camera, clear and leave. 714ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin LOG1("removeClient: clear camera %d", outIndex); 715ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin mClient[outIndex].clear(); 71665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 717e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin client->getRemote()->unlinkToDeath(this); 718634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } else { 719634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 720634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<ProClient> clientPro = findProClientUnsafe(remoteBinder); 721634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 722634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (clientPro != NULL) { 723634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin // Found our camera, clear and leave. 724634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin LOG1("removeClient: clear pro %p", clientPro.get()); 725634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 726634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin clientPro->getRemoteCallback()->asBinder()->unlinkToDeath(this); 727634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 728634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 729634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 730634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin LOG1("CameraService::removeClientByRemote X (pid %d)", callingPid); 731634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 732634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 733634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinsp<CameraService::ProClient> CameraService::findProClientUnsafe( 734634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin const wp<IBinder>& cameraCallbacksRemote) 735634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 736634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<ProClient> clientPro; 737634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 738634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin for (int i = 0; i < mNumberOfCameras; ++i) { 739634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin Vector<size_t> removeIdx; 740634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 741634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin for (size_t j = 0; j < mProClientList[i].size(); ++j) { 742634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin wp<ProClient> cl = mProClientList[i][j]; 743634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 744634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<ProClient> clStrong = cl.promote(); 745634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (clStrong != NULL && clStrong->getRemote() == cameraCallbacksRemote) { 746634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin clientPro = clStrong; 747634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin break; 748634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } else if (clStrong == NULL) { 749634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin // mark to clean up dead ptr 750634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin removeIdx.push(j); 751634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 752634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 753634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 754634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin // remove stale ptrs (in reverse so the indices dont change) 755634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin for (ssize_t j = (ssize_t)removeIdx.size() - 1; j >= 0; --j) { 756634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mProClientList[i].removeAt(removeIdx[j]); 757634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 758634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 759ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin } 760ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 761634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin return clientPro; 762ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin} 763ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 764e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkinsp<CameraService::BasicClient> CameraService::findClientUnsafe( 765294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin const wp<IBinder>& cameraClient, int& outIndex) { 766e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client; 767ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 768ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin for (int i = 0; i < mNumberOfCameras; i++) { 76965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 77065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // This happens when we have already disconnected (or this is 77165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // just another unused camera). 77265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClient[i] == 0) continue; 77365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 77465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Promote mClient. It can fail if we are called from this path: 775634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin // Client::~Client() -> disconnect() -> removeClientByRemote(). 77665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client = mClient[i].promote(); 77765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 778ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Clean up stale client entry 779ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin if (client == NULL) { 78065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[i].clear(); 78165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian continue; 78265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 78365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 784e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin if (cameraClient == client->getRemote()) { 785ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Found our camera 786ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin outIndex = i; 787ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin return client; 78865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 78965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 79065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 791ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin outIndex = -1; 792ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin return NULL; 79365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 79465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 795e7ee7637747371635a85fedd24d2190bb1f38651Igor MurashkinCameraService::BasicClient* CameraService::getClientByIdUnsafe(int cameraId) { 79665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) return NULL; 797d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park return mClient[cameraId].unsafe_get(); 798d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park} 799d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 800d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkMutex* CameraService::getClientLockById(int cameraId) { 801d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (cameraId < 0 || cameraId >= mNumberOfCameras) return NULL; 802d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park return &mClientLock[cameraId]; 80365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 80465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 805634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinsp<CameraService::BasicClient> CameraService::getClientByRemote( 806294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin const wp<IBinder>& cameraClient) { 807ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 808ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Declare this before the lock to make absolutely sure the 809ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // destructor won't be called with the lock held. 810634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<BasicClient> client; 811ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 812ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin Mutex::Autolock lock(mServiceLock); 813ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 814ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin int outIndex; 815ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin client = findClientUnsafe(cameraClient, outIndex); 816ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 817ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin return client; 818ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin} 819ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 82065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::onTransact( 82165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) { 82265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Permission checks 82365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (code) { 82465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case BnCameraService::CONNECT: 825634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin case BnCameraService::CONNECT_PRO: 82665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int pid = getCallingPid(); 82765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int self_pid = getpid(); 82865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (pid != self_pid) { 82965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // we're called from a different process, do the real check 83065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!checkCallingPermission( 83165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String16("android.permission.CAMERA"))) { 83265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int uid = getCallingUid(); 83329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Permission Denial: " 83465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't use the camera pid=%d, uid=%d", pid, uid); 83565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return PERMISSION_DENIED; 83665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 83765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 83865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 83965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 84065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 84165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BnCameraService::onTransact(code, data, reply, flags); 84265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 84365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 84465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// The reason we need this busy bit is a new CameraService::connect() request 84565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// may come in while the previous Client's destructor has not been run or is 84665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// still running. If the last strong reference of the previous Client is gone 84765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// but the destructor has not been finished, we should not allow the new Client 84865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// to be created because we need to wait for the previous Client to tear down 84965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// the hardware first. 85065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::setCameraBusy(int cameraId) { 85165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(1, &mBusy[cameraId]); 852ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 853ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("setCameraBusy cameraId=%d", cameraId); 85465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 85565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 85665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::setCameraFree(int cameraId) { 85765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(0, &mBusy[cameraId]); 858ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 859ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("setCameraFree cameraId=%d", cameraId); 86065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 86165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 86265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// We share the media players for shutter and recording sound for all clients. 86365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// A reference count is kept to determine when we will actually release the 86465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// media players. 86565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 866ff4f55c8d77e276dbcceedb4e560ca1d91ba38baChih-Chung ChangMediaPlayer* CameraService::newMediaPlayer(const char *file) { 86765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian MediaPlayer* mp = new MediaPlayer(); 86865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mp->setDataSource(file, NULL) == NO_ERROR) { 86960a78ac9535878984b0777788760b9ee7465c5e6Eino-Ville Talvala mp->setAudioStreamType(AUDIO_STREAM_ENFORCED_AUDIBLE); 87065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mp->prepare(); 87165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 87229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Failed to load CameraService sounds: %s", file); 87365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 87465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mp; 87665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 87765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 87865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::loadSound() { 87965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 88065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::loadSound ref=%d", mSoundRef); 88165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSoundRef++) return; 88265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 88365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[SOUND_SHUTTER] = newMediaPlayer("/system/media/audio/ui/camera_click.ogg"); 88465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[SOUND_RECORDING] = newMediaPlayer("/system/media/audio/ui/VideoRecord.ogg"); 88565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 88665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 88765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::releaseSound() { 88865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 88965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::releaseSound ref=%d", mSoundRef); 89065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (--mSoundRef) return; 89165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 89265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < NUM_SOUNDS; i++) { 89365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSoundPlayer[i] != 0) { 89465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[i]->disconnect(); 89565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[i].clear(); 89665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 89765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 89865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 89965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 90065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::playSound(sound_kind kind) { 90165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("playSound(%d)", kind); 90265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 90365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<MediaPlayer> player = mSoundPlayer[kind]; 90465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (player != 0) { 9058888a75f01d904541e409e858d23e4150ace34b6Chih-Chung Chang player->seekTo(0); 9068888a75f01d904541e409e858d23e4150ace34b6Chih-Chung Chang player->start(); 90765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 90865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 90965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 91065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 91165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 91265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::Client::Client(const sp<CameraService>& cameraService, 913b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li const sp<ICameraClient>& cameraClient, 914ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const String16& clientPackageName, 915ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int cameraId, int cameraFacing, 916ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int clientPid, uid_t clientUid, 917ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int servicePid) : 918634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin CameraService::BasicClient(cameraService, cameraClient->asBinder(), 919ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientPackageName, 920ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala cameraId, cameraFacing, 921ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientPid, clientUid, 922ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala servicePid) 923634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 92465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 9252fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li LOG1("Client::Client E (pid %d, id %d)", callingPid, cameraId); 92665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 92744cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin mRemoteCallback = cameraClient; 9285e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 92965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian cameraService->setCameraBusy(cameraId); 93065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian cameraService->loadSound(); 931ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 9322fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li LOG1("Client::Client X (pid %d, id %d)", callingPid, cameraId); 93365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 93465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 93565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// tear down the client 93665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::Client::~Client() { 937d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGV("~Client"); 938634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mDestructionStarted = true; 939634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 940f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala mCameraService->releaseSound(); 941036bc3e2cfc5a11c3f7ace41088c8936dae2e946Igor Murashkin // unconditionally disconnect. function is idempotent 942036bc3e2cfc5a11c3f7ace41088c8936dae2e946Igor Murashkin Client::disconnect(); 94365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 94465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 945634a51509ee50475f3e9f8ccf897e90fc72ded31Igor MurashkinCameraService::BasicClient::BasicClient(const sp<CameraService>& cameraService, 946ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const sp<IBinder>& remoteCallback, 947ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const String16& clientPackageName, 948ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int cameraId, int cameraFacing, 949ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int clientPid, uid_t clientUid, 950ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int servicePid): 951ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientPackageName(clientPackageName) 952634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 953634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mCameraService = cameraService; 95444cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin mRemoteBinder = remoteCallback; 955634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mCameraId = cameraId; 956634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mCameraFacing = cameraFacing; 957634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mClientPid = clientPid; 958ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientUid = clientUid; 959634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mServicePid = servicePid; 960ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsActive = false; 961634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mDestructionStarted = false; 962634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 963634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 964634a51509ee50475f3e9f8ccf897e90fc72ded31Igor MurashkinCameraService::BasicClient::~BasicClient() { 965d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGV("~BasicClient"); 966634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mDestructionStarted = true; 967634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 968634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 969634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinvoid CameraService::BasicClient::disconnect() { 970d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGV("BasicClient::disconnect"); 97144cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin mCameraService->removeClientByRemote(mRemoteBinder); 972cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // client shouldn't be able to call into us anymore 973cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mClientPid = 0; 974634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 975634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 976ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalastatus_t CameraService::BasicClient::startCameraOps() { 977ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int32_t res; 978ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 979ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsCallback = new OpsCallback(this); 980ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 981e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin { 982e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin ALOGV("%s: Start camera ops, package name = %s, client UID = %d", 983e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin __FUNCTION__, String8(mClientPackageName).string(), mClientUid); 984e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 985e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 986ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mAppOpsManager.startWatchingMode(AppOpsManager::OP_CAMERA, 987ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientPackageName, mOpsCallback); 988ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res = mAppOpsManager.startOp(AppOpsManager::OP_CAMERA, 989ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientUid, mClientPackageName); 990ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 991ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (res != AppOpsManager::MODE_ALLOWED) { 992ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGI("Camera %d: Access for \"%s\" has been revoked", 993ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mCameraId, String8(mClientPackageName).string()); 994ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala return PERMISSION_DENIED; 995ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 996ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsActive = true; 997ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala return OK; 998ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 999ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1000ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalastatus_t CameraService::BasicClient::finishCameraOps() { 1001ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (mOpsActive) { 1002ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mAppOpsManager.finishOp(AppOpsManager::OP_CAMERA, mClientUid, 1003ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientPackageName); 1004ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsActive = false; 1005ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 1006ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mAppOpsManager.stopWatchingMode(mOpsCallback); 1007ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsCallback.clear(); 1008ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1009ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala return OK; 1010ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1011ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1012ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalavoid CameraService::BasicClient::opChanged(int32_t op, const String16& packageName) { 1013ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala String8 name(packageName); 1014ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala String8 myName(mClientPackageName); 1015ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1016ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (op != AppOpsManager::OP_CAMERA) { 1017ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGW("Unexpected app ops notification received: %d", op); 1018ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala return; 1019ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 1020ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1021ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int32_t res; 1022ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res = mAppOpsManager.checkOp(AppOpsManager::OP_CAMERA, 1023ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientUid, mClientPackageName); 1024ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGV("checkOp returns: %d, %s ", res, 1025ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res == AppOpsManager::MODE_ALLOWED ? "ALLOWED" : 1026ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res == AppOpsManager::MODE_IGNORED ? "IGNORED" : 1027ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res == AppOpsManager::MODE_ERRORED ? "ERRORED" : 1028ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala "UNKNOWN"); 1029ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1030ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (res != AppOpsManager::MODE_ALLOWED) { 1031ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGI("Camera %d: Access for \"%s\" revoked", mCameraId, 1032ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala myName.string()); 1033ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala // Reset the client PID to allow server-initiated disconnect, 1034ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala // and to prevent further calls by client. 1035ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientPid = getCallingPid(); 1036ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala notifyError(); 1037ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala disconnect(); 1038ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 1039ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1040ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 104165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 104265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1043d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkMutex* CameraService::Client::getClientLockFromCookie(void* user) { 1044d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park return gCameraService->getClientLockById((int) user); 1045d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park} 1046d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 1047d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park// Provide client pointer for callbacks. Client lock returned from getClientLockFromCookie should 1048d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park// be acquired for this to be safe 1049d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkCameraService::Client* CameraService::Client::getClientFromCookie(void* user) { 1050e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin BasicClient *basicClient = gCameraService->getClientByIdUnsafe((int) user); 1051e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // OK: only CameraClient calls this, and they already cast anyway. 1052e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin Client* client = static_cast<Client*>(basicClient); 105365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // This could happen if the Client is in the process of shutting down (the 105565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // last strong reference is gone, but the destructor hasn't finished 105665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // stopping the hardware). 1057d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (client == NULL) return NULL; 1058d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 1059d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park // destruction already started, so should not be accessed 1060d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (client->mDestructionStarted) return NULL; 106165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 106265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return client; 106365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 106465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1065ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalavoid CameraService::Client::notifyError() { 106644cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin mRemoteCallback->notifyCallback(CAMERA_MSG_ERROR, CAMERA_ERROR_RELEASED, 0); 1067ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1068ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1069036bc3e2cfc5a11c3f7ace41088c8936dae2e946Igor Murashkin// NOTE: function is idempotent 10705e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraService::Client::disconnect() { 1071d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGV("Client::disconnect"); 1072634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin BasicClient::disconnect(); 10735e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mCameraService->setCameraFree(mCameraId); 107493747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin 107593747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin StatusVector rejectSourceStates; 107693747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin rejectSourceStates.push_back(ICameraServiceListener::STATUS_NOT_PRESENT); 107793747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin rejectSourceStates.push_back(ICameraServiceListener::STATUS_ENUMERATING); 107893747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin 107993747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin // Transition to PRESENT if the camera is not in either of above 2 states 1080cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mCameraService->updateStatus(ICameraServiceListener::STATUS_PRESENT, 108193747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin mCameraId, 108293747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin &rejectSourceStates); 1083e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li} 1084e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li 1085ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville TalvalaCameraService::Client::OpsCallback::OpsCallback(wp<BasicClient> client): 1086ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClient(client) { 1087ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1088ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1089ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalavoid CameraService::Client::OpsCallback::opChanged(int32_t op, 1090ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const String16& packageName) { 1091ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala sp<BasicClient> client = mClient.promote(); 1092ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (client != NULL) { 1093ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala client->opChanged(op, packageName); 1094ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 1095ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1096ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 109765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 1098634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin// IProCamera 1099634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin// ---------------------------------------------------------------------------- 1100634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1101634a51509ee50475f3e9f8ccf897e90fc72ded31Igor MurashkinCameraService::ProClient::ProClient(const sp<CameraService>& cameraService, 1102ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const sp<IProCameraCallbacks>& remoteCallback, 1103ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const String16& clientPackageName, 1104ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int cameraId, 1105ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int cameraFacing, 1106ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int clientPid, 1107ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala uid_t clientUid, 1108ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int servicePid) 1109ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala : CameraService::BasicClient(cameraService, remoteCallback->asBinder(), 1110ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientPackageName, cameraId, cameraFacing, 1111ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientPid, clientUid, servicePid) 1112634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 1113634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mRemoteCallback = remoteCallback; 1114634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 1115634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1116634a51509ee50475f3e9f8ccf897e90fc72ded31Igor MurashkinCameraService::ProClient::~ProClient() { 1117634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 1118634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1119ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalavoid CameraService::ProClient::notifyError() { 1120e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin mRemoteCallback->notifyCallback(CAMERA_MSG_ERROR, CAMERA_ERROR_RELEASED, 0); 1121ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1122ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1123634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin// ---------------------------------------------------------------------------- 112465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 112565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const int kDumpLockRetries = 50; 112665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const int kDumpLockSleep = 60000; 112765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 112865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic bool tryLock(Mutex& mutex) 112965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 113065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = false; 113165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < kDumpLockRetries; ++i) { 113265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mutex.tryLock() == NO_ERROR) { 113365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian locked = true; 113465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 113565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 113665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian usleep(kDumpLockSleep); 113765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 113865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return locked; 113965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 114065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 114165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::dump(int fd, const Vector<String16>& args) { 114265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 result; 114365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 1144611f61998863d3a3ffae4e5f2b723b7319c59ddfEino-Ville Talvala result.appendFormat("Permission Denial: " 114565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't dump CameraService from pid=%d, uid=%d\n", 114665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian getCallingPid(), 114765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian getCallingUid()); 114865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 114965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 115065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = tryLock(mServiceLock); 115165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // failed to lock - CameraService is probably deadlocked 115265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!locked) { 1153611f61998863d3a3ffae4e5f2b723b7319c59ddfEino-Ville Talvala result.append("CameraService may be deadlocked\n"); 1154f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 115565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 115665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 115765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool hasClient = false; 1158f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (!mModule) { 1159f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("No camera module available!\n"); 1160f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1161f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala return NO_ERROR; 1162f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 1163f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala 1164f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("Camera module HAL API version: 0x%x\n", 1165f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala mModule->common.hal_api_version); 1166f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat("Camera module API version: 0x%x\n", 1167f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala mModule->common.module_api_version); 1168f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat("Camera module name: %s\n", 1169f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala mModule->common.name); 1170f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat("Camera module author: %s\n", 1171f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala mModule->common.author); 1172f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat("Number of camera devices: %d\n\n", mNumberOfCameras); 1173f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 117465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 1175f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("Camera %d static information:\n", i); 1176f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala camera_info info; 1177f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala 1178f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala status_t rc = mModule->get_camera_info(i, &info); 1179f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (rc != OK) { 1180f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Error reading static information!\n"); 1181f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1182f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } else { 1183f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Facing: %s\n", 1184f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala info.facing == CAMERA_FACING_BACK ? "BACK" : "FRONT"); 1185f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Orientation: %d\n", info.orientation); 1186f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala int deviceVersion; 1187f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (mModule->common.module_api_version < 1188f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala CAMERA_MODULE_API_VERSION_2_0) { 1189f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala deviceVersion = CAMERA_DEVICE_API_VERSION_1_0; 1190f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } else { 1191f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala deviceVersion = info.device_version; 1192f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 1193f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Device version: 0x%x\n", deviceVersion); 1194f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (deviceVersion >= CAMERA_DEVICE_API_VERSION_2_0) { 1195f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Device static metadata:\n"); 1196f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1197428b77a2b94b74665a47375b3fdb893b98d71269Eino-Ville Talvala dump_indented_camera_metadata(info.static_camera_characteristics, 1198428b77a2b94b74665a47375b3fdb893b98d71269Eino-Ville Talvala fd, 2, 4); 1199f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } else { 1200f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1201f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 1202f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 1203f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala 1204e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client = mClient[i].promote(); 1205f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (client == 0) { 1206f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format(" Device is closed, no client instance\n"); 1207f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1208f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala continue; 1209f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 121065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian hasClient = true; 1211f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format(" Device is open. Client instance dump:\n"); 1212f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 12135e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client->dump(fd, args); 121465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 121565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!hasClient) { 1216f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("\nNo active camera clients yet.\n"); 1217f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 121865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 121965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 122065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (locked) mServiceLock.unlock(); 122165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 122265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // change logging level 122365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int n = args.size(); 122465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i + 1 < n; i++) { 1225611f61998863d3a3ffae4e5f2b723b7319c59ddfEino-Ville Talvala String16 verboseOption("-v"); 1226611f61998863d3a3ffae4e5f2b723b7319c59ddfEino-Ville Talvala if (args[i] == verboseOption) { 122765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 levelStr(args[i+1]); 122865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int level = atoi(levelStr.string()); 1229f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("\nSetting log level to %d.\n", level); 123065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian setLogLevel(level); 1231f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 123265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 123365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 1234f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala 123565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 123665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 123765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 123865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1239ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin/*virtual*/void CameraService::binderDied( 1240ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin const wp<IBinder> &who) { 1241ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1242294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin /** 1243294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin * While tempting to promote the wp<IBinder> into a sp, 1244294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin * it's actually not supported by the binder driver 1245294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin */ 1246294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin 1247ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("java clients' binder died"); 1248ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1249634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<BasicClient> cameraClient = getClientByRemote(who); 1250ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1251294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin if (cameraClient == 0) { 1252ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("java clients' binder death already cleaned up (normal case)"); 1253ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin return; 1254ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin } 1255ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1256ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGW("Disconnecting camera client %p since the binder for it " 1257ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin "died (this pid %d)", cameraClient.get(), getCallingPid()); 1258ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1259ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin cameraClient->disconnect(); 1260ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1261ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin} 1262ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1263bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkinvoid CameraService::updateStatus(ICameraServiceListener::Status status, 126493747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin int32_t cameraId, 126593747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin const StatusVector *rejectSourceStates) { 1266bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin // do not lock mServiceLock here or can get into a deadlock from 1267bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin // connect() -> ProClient::disconnect -> updateStatus 1268bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Mutex::Autolock lock(mStatusMutex); 1269bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1270bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ICameraServiceListener::Status oldStatus = mStatusList[cameraId]; 1271bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1272bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin mStatusList[cameraId] = status; 1273bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1274bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if (oldStatus != status) { 1275bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGV("%s: Status has changed for camera ID %d from 0x%x to 0x%x", 1276bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin __FUNCTION__, cameraId, (uint32_t)oldStatus, (uint32_t)status); 1277bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1278cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (oldStatus == ICameraServiceListener::STATUS_NOT_PRESENT && 1279cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin (status != ICameraServiceListener::STATUS_PRESENT && 1280cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin status != ICameraServiceListener::STATUS_ENUMERATING)) { 1281cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 1282cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGW("%s: From NOT_PRESENT can only transition into PRESENT" 1283cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin " or ENUMERATING", __FUNCTION__); 1284cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mStatusList[cameraId] = oldStatus; 1285cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return; 1286cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 1287cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 128893747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin if (rejectSourceStates != NULL) { 128993747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin const StatusVector &rejectList = *rejectSourceStates; 129093747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin StatusVector::const_iterator it = rejectList.begin(); 129193747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin 129293747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin /** 129393747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin * Sometimes we want to conditionally do a transition. 129493747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin * For example if a client disconnects, we want to go to PRESENT 129593747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin * only if we weren't already in NOT_PRESENT or ENUMERATING. 129693747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin */ 129793747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin for (; it != rejectList.end(); ++it) { 129893747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin if (oldStatus == *it) { 129993747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin ALOGV("%s: Rejecting status transition for Camera ID %d, " 130093747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin " since the source state was was in one of the bad " 130193747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin " states.", __FUNCTION__, cameraId); 130293747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin mStatusList[cameraId] = oldStatus; 130393747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin return; 130493747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin } 130593747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin } 130693747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin } 130793747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin 1308bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin /** 1309bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin * ProClients lose their exclusive lock. 1310bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin * - Done before the CameraClient can initialize the HAL device, 1311bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin * since we want to be able to close it before they get to initialize 1312bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin */ 1313bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if (status == ICameraServiceListener::STATUS_NOT_AVAILABLE) { 1314bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<wp<ProClient> > proClients(mProClientList[cameraId]); 1315bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<wp<ProClient> >::const_iterator it; 1316bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1317bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (it = proClients.begin(); it != proClients.end(); ++it) { 1318bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin sp<ProClient> proCl = it->promote(); 1319bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if (proCl.get() != NULL) { 1320bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin proCl->onExclusiveLockStolen(); 1321bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1322bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1323bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1324bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1325bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<sp<ICameraServiceListener> >::const_iterator it; 1326bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (it = mListenerList.begin(); it != mListenerList.end(); ++it) { 1327bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin (*it)->onStatusChanged(status, cameraId); 1328bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1329bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1330bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin} 1331bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1332cba2c163555cd329f49d40658ea3ee902e94dda3Igor MurashkinICameraServiceListener::Status CameraService::getStatus(int cameraId) const { 1333cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (cameraId < 0 || cameraId >= MAX_CAMERAS) { 1334cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGE("%s: Invalid camera ID %d", __FUNCTION__, cameraId); 1335cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return ICameraServiceListener::STATUS_UNKNOWN; 1336cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 1337cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 1338cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin Mutex::Autolock al(mStatusMutex); 1339cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return mStatusList[cameraId]; 1340cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin} 1341cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 134265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; // namespace android 1343