CameraService.cpp revision 6ec3a15257ca2b56b675a610aef43cc4ec6aaf00
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" 45ff3e31d2b100d8efd969b358b18e4405c49dd10dIgor Murashkin#include "utils/CameraTraces.h" 4698e24724fb77445d4d015a5fec4ecbd5b49abc9bIgor Murashkin#include "CameraDeviceFactory.h" 4765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 4965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 5165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Logging support -- this is for debugging only 5265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Use "adb shell dumpsys media.camera -v 1" to change it. 535e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavolatile int32_t gLogLevel = 0; 5465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 55b8a805261bf0282e992d3608035e47d05a898710Steve Block#define LOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__); 56b8a805261bf0282e992d3608035e47d05a898710Steve Block#define LOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__); 5765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic void setLogLevel(int level) { 5965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(level, &gLogLevel); 6065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 6165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 6365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic int getCallingPid() { 6565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return IPCThreadState::self()->getCallingPid(); 6665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 6765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic int getCallingUid() { 6965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return IPCThreadState::self()->getCallingUid(); 7065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 7165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 72cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkinextern "C" { 73cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkinstatic void camera_device_status_change( 74cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin const struct camera_module_callbacks* callbacks, 75cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int camera_id, 76cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int new_status) { 77cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin sp<CameraService> cs = const_cast<CameraService*>( 78cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin static_cast<const CameraService*>(callbacks)); 79cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 80cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin cs->onDeviceStatusChanged( 81cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin camera_id, 82cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin new_status); 83cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin} 84cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin} // extern "C" 85cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 8665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 8765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 8865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// This is ugly and only safe if we never re-create the CameraService, but 8965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// should be ok for now. 9065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic CameraService *gCameraService; 9165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 9265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::CameraService() 93ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala :mSoundRef(0), mModule(0) 9465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 95df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("CameraService started (pid=%d)", getpid()); 968951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev gCameraService = this; 97bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 98bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (size_t i = 0; i < MAX_CAMERAS; ++i) { 99cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mStatusList[i] = ICameraServiceListener::STATUS_PRESENT; 100bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 101cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 102cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin this->camera_device_status_change = android::camera_device_status_change; 1038951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev} 10465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1058951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchevvoid CameraService::onFirstRef() 1068951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev{ 107634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin LOG1("CameraService::onFirstRef"); 108634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1098951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev BnCameraService::onFirstRef(); 11065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1118951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (hw_get_module(CAMERA_HARDWARE_MODULE_ID, 1128951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev (const hw_module_t **)&mModule) < 0) { 11329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not load camera HAL module"); 1148951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = 0; 1158951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 1168951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev else { 117c0dd54f1a77fb94ae69cc3ac5944d718bb6caa28Alex Ray ALOGI("Loaded \"%s\" camera module", mModule->common.name); 1188951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = mModule->get_number_of_cameras(); 1198951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (mNumberOfCameras > MAX_CAMERAS) { 12029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Number of cameras(%d) > MAX_CAMERAS(%d).", 1218951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras, MAX_CAMERAS); 1228951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = MAX_CAMERAS; 1238951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 1248951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev for (int i = 0; i < mNumberOfCameras; i++) { 1258951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev setCameraFree(i); 1268951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 127cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 128cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (mModule->common.module_api_version >= 129cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin CAMERA_MODULE_API_VERSION_2_1) { 130cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mModule->set_callbacks(this); 131cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 13298e24724fb77445d4d015a5fec4ecbd5b49abc9bIgor Murashkin 13398e24724fb77445d4d015a5fec4ecbd5b49abc9bIgor Murashkin CameraDeviceFactory::registerService(this); 13465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 13565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 13665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 13765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::~CameraService() { 13865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 13965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mBusy[i]) { 14029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("camera %d is still in use in destructor!", i); 14165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 14265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 14365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 14465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian gCameraService = NULL; 14565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 14665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 147cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkinvoid CameraService::onDeviceStatusChanged(int cameraId, 148cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int newStatus) 149cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin{ 150cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGI("%s: Status changed for cameraId=%d, newStatus=%d", __FUNCTION__, 151cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin cameraId, newStatus); 152cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 153cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (cameraId < 0 || cameraId >= MAX_CAMERAS) { 154cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGE("%s: Bad camera ID %d", __FUNCTION__, cameraId); 155cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return; 156cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 157cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 158cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if ((int)getStatus(cameraId) == newStatus) { 159cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGE("%s: State transition to the same status 0x%x not allowed", 160cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin __FUNCTION__, (uint32_t)newStatus); 161cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return; 162cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 163cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 164cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /* don't do this in updateStatus 165cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin since it is also called from connect and we could get into a deadlock */ 166cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (newStatus == CAMERA_DEVICE_STATUS_NOT_PRESENT) { 167cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin Vector<sp<BasicClient> > clientsToDisconnect; 168cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin { 169cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin Mutex::Autolock al(mServiceLock); 170cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 171cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /* Find all clients that we need to disconnect */ 172e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client = mClient[cameraId].promote(); 173cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (client.get() != NULL) { 174cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin clientsToDisconnect.push_back(client); 175cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 176cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 177cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int i = cameraId; 178cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin for (size_t j = 0; j < mProClientList[i].size(); ++j) { 179cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin sp<ProClient> cl = mProClientList[i][j].promote(); 180cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (cl != NULL) { 181cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin clientsToDisconnect.push_back(cl); 182cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 183cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 184cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 185cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 186cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /* now disconnect them. don't hold the lock 187cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin or we can get into a deadlock */ 188cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 189cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin for (size_t i = 0; i < clientsToDisconnect.size(); ++i) { 190cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin sp<BasicClient> client = clientsToDisconnect[i]; 191cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 192cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin client->disconnect(); 193cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /** 194cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin * The remote app will no longer be able to call methods on the 195cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin * client since the client PID will be reset to 0 196cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin */ 197cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 198cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 199e5729fac81c8a984e984fefc90afc64135817d4fColin Cross ALOGV("%s: After unplug, disconnected %zu clients", 200cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin __FUNCTION__, clientsToDisconnect.size()); 201cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 202cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 203cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin updateStatus( 204cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin static_cast<ICameraServiceListener::Status>(newStatus), cameraId); 205cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 206cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin} 207cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 20865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianint32_t CameraService::getNumberOfCameras() { 20965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mNumberOfCameras; 21065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 21165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 21265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::getCameraInfo(int cameraId, 21365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian struct CameraInfo* cameraInfo) { 2148951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (!mModule) { 2150f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -ENODEV; 2168951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 2178951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 21865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) { 21965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BAD_VALUE; 22065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 22165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2228951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev struct camera_info info; 2238951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev status_t rc = mModule->get_camera_info(cameraId, &info); 2248951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev cameraInfo->facing = info.facing; 2258951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev cameraInfo->orientation = info.orientation; 2268951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev return rc; 22765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 22865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2292b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun Hestatus_t CameraService::getCameraCharacteristics(int cameraId, 2302b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He CameraMetadata* cameraInfo) { 2312b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He if (!cameraInfo) { 2322b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He ALOGE("%s: cameraInfo is NULL", __FUNCTION__); 2332b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return BAD_VALUE; 2342b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He } 2352b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 2362b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He if (!mModule) { 2372b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He ALOGE("%s: camera hardware module doesn't exist", __FUNCTION__); 2382b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return -ENODEV; 2392b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He } 2402b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 2412b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He if (mModule->common.module_api_version < CAMERA_MODULE_API_VERSION_2_0) { 2422b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He // TODO: Remove this check once HAL1 shim is in place. 2432b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He ALOGE("%s: Only HAL module version V2 or higher supports static metadata", __FUNCTION__); 2442b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return BAD_VALUE; 2452b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He } 2462b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 2472b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He if (cameraId < 0 || cameraId >= mNumberOfCameras) { 2482b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He ALOGE("%s: Invalid camera id: %d", __FUNCTION__, cameraId); 2492b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return BAD_VALUE; 2502b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He } 2512b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 2522b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He int facing; 2532b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He if (getDeviceVersion(cameraId, &facing) == CAMERA_DEVICE_API_VERSION_1_0) { 2542b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He // TODO: Remove this check once HAL1 shim is in place. 2552b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He ALOGE("%s: HAL1 doesn't support static metadata yet", __FUNCTION__); 2562b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return BAD_VALUE; 2572b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He } 2582b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 259f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He if (getDeviceVersion(cameraId, &facing) <= CAMERA_DEVICE_API_VERSION_2_1) { 260f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He // Disable HAL2.x support for camera2 API for now. 261f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He ALOGW("%s: HAL2.x doesn't support getCameraCharacteristics for now", __FUNCTION__); 262f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He return BAD_VALUE; 263f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He } 264f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He 2652b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He struct camera_info info; 2662b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He status_t ret = mModule->get_camera_info(cameraId, &info); 2672b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He *cameraInfo = info.static_camera_characteristics; 2682b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 2692b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return ret; 2702b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He} 2712b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 272634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinint CameraService::getDeviceVersion(int cameraId, int* facing) { 273634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin struct camera_info info; 274634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (mModule->get_camera_info(cameraId, &info) != OK) { 275634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin return -1; 276634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 277634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 278634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin int deviceVersion; 279634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (mModule->common.module_api_version >= CAMERA_MODULE_API_VERSION_2_0) { 280634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin deviceVersion = info.device_version; 281634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } else { 282634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin deviceVersion = CAMERA_DEVICE_API_VERSION_1_0; 283634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 284634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 285634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (facing) { 286634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin *facing = info.facing; 287634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 288634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 289634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin return deviceVersion; 290634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 291634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 292bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkinbool CameraService::isValidCameraId(int cameraId) { 293bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin int facing; 294bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin int deviceVersion = getDeviceVersion(cameraId, &facing); 295bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 296bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin switch(deviceVersion) { 297bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin case CAMERA_DEVICE_API_VERSION_1_0: 298bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin case CAMERA_DEVICE_API_VERSION_2_0: 299bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin case CAMERA_DEVICE_API_VERSION_2_1: 300bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin case CAMERA_DEVICE_API_VERSION_3_0: 301bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return true; 302bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin default: 303bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return false; 304bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 305bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 306bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return false; 307bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin} 308bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 3090f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunkstatus_t CameraService::validateConnect(int cameraId, 310e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin /*inout*/ 311e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int& clientUid) const { 312ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 31365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 3145861a9a98c641261c4807c976c750e4611b3a57dTyler Luu 315ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (clientUid == USE_CALLING_UID) { 316ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientUid = getCallingUid(); 317ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } else { 318ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala // We only trust our own process to forward client UIDs 319ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (callingPid != getpid()) { 320ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGE("CameraService::connect X (pid %d) rejected (don't trust clientUid)", 321ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala callingPid); 3220f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return PERMISSION_DENIED; 323ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 324ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 32565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3268951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (!mModule) { 32729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Camera HAL module not loaded"); 3280f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -ENODEV; 3298951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 3308951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 33165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) { 33229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("CameraService::connect X (pid %d) rejected (invalid cameraId %d).", 33365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian callingPid, cameraId); 3340f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -ENODEV; 33565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 33665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 337a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li char value[PROPERTY_VALUE_MAX]; 338a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li property_get("sys.secpolicy.camera.disabled", value, "0"); 339a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li if (strcmp(value, "1") == 0) { 340a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li // Camera is disabled by DevicePolicyManager. 341df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Camera is disabled. connect X (pid %d) rejected", callingPid); 3420f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -EACCES; 343a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li } 344a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li 345cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ICameraServiceListener::Status currentStatus = getStatus(cameraId); 346cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (currentStatus == ICameraServiceListener::STATUS_NOT_PRESENT) { 347cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGI("Camera is not plugged in," 348cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin " connect X (pid %d) rejected", callingPid); 3490f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -ENODEV; 350cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } else if (currentStatus == ICameraServiceListener::STATUS_ENUMERATING) { 351cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGI("Camera is enumerating," 352cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin " connect X (pid %d) rejected", callingPid); 3530f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -EBUSY; 354cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 355cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // Else don't check for STATUS_NOT_AVAILABLE. 356cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // -- It's done implicitly in canConnectUnsafe /w the mBusy array 357cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 3580f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 359e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin} 360e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 361e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkinbool CameraService::canConnectUnsafe(int cameraId, 362e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const String16& clientPackageName, 363e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const sp<IBinder>& remoteCallback, 364e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> &client) { 365e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin String8 clientName8(clientPackageName); 366e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int callingPid = getCallingPid(); 367e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 36808ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (mClient[cameraId] != 0) { 36908ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li client = mClient[cameraId].promote(); 37008ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (client != 0) { 371e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin if (remoteCallback == client->getRemote()) { 37208ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li LOG1("CameraService::connect X (pid %d) (the same client)", 37308ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li callingPid); 374e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return true; 37508ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li } else { 376e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin // TODOSC: need to support 1 regular client, 377e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin // multiple shared clients here 378e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin ALOGW("CameraService::connect X (pid %d) rejected" 379e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin " (existing client).", callingPid); 380e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return false; 3812fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li } 3822fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li } 38308ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li mClient[cameraId].clear(); 38408ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li } 38508ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li 386634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin /* 387634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mBusy is set to false as the last step of the Client destructor, 388634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin after which it is guaranteed that the Client destructor has finished ( 389634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin including any inherited destructors) 390634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 391634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin We only need this for a Client subclasses since we don't allow 392634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin multiple Clents to be opened concurrently, but multiple BasicClient 393634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin would be fine 394634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin */ 39508ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (mBusy[cameraId]) { 396ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGW("CameraService::connect X (pid %d, \"%s\") rejected" 397ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala " (camera %d is still busy).", callingPid, 398ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientName8.string(), cameraId); 399e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return false; 400e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 401e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 402e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return true; 403e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin} 404e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 4050f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunkstatus_t CameraService::connect( 406e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const sp<ICameraClient>& cameraClient, 407e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int cameraId, 408e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const String16& clientPackageName, 4090f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk int clientUid, 4100f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk /*out*/ 4110f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk sp<ICamera>& device) { 412e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 413e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin String8 clientName8(clientPackageName); 414e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int callingPid = getCallingPid(); 415e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 416e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin LOG1("CameraService::connect E (pid %d \"%s\", id %d)", callingPid, 417e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin clientName8.string(), cameraId); 418e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 4190f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = validateConnect(cameraId, /*inout*/clientUid); 4200f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 4210f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 422e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 423e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 424e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 425e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<Client> client; 426acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin { 427acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin Mutex::Autolock lock(mServiceLock); 428e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> clientTmp; 429acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin if (!canConnectUnsafe(cameraId, clientPackageName, 430acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraClient->asBinder(), 431e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin /*out*/clientTmp)) { 4320f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -EBUSY; 433acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } else if (client.get() != NULL) { 4340f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk device = static_cast<Client*>(clientTmp.get()); 4350f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 436acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 43765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 438acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin int facing = -1; 439acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin int deviceVersion = getDeviceVersion(cameraId, &facing); 440634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 441acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // If there are other non-exclusive users of the camera, 442acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // this will tear them down before we can reuse the camera 443acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin if (isValidCameraId(cameraId)) { 444cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // transition from PRESENT -> NOT_AVAILABLE 445acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin updateStatus(ICameraServiceListener::STATUS_NOT_AVAILABLE, 446acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraId); 447acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 448bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 449acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin switch(deviceVersion) { 450acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_1_0: 451acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin client = new CameraClient(this, cameraClient, 452acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin clientPackageName, cameraId, 453acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin facing, callingPid, clientUid, getpid()); 454acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin break; 455acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_0: 456acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_1: 457acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_3_0: 458acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin client = new Camera2Client(this, cameraClient, 459acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin clientPackageName, cameraId, 460acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin facing, callingPid, clientUid, getpid(), 461acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin deviceVersion); 462acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin break; 463acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case -1: 464acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Invalid camera id %d", cameraId); 4650f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return BAD_VALUE; 466acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin default: 467acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Unknown camera device HAL version: %d", deviceVersion); 4680f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return INVALID_OPERATION; 469acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 4708951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 4710f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = connectFinishUnsafe(client, client->getRemote()); 4720f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 473acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // this is probably not recoverable.. maybe the client can try again 474cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // OK: we can only get here if we were originally in PRESENT state 475cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin updateStatus(ICameraServiceListener::STATUS_PRESENT, cameraId); 4760f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 477acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 478634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 479acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin mClient[cameraId] = client; 480acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin LOG1("CameraService::connect X (id %d, this pid is %d)", cameraId, 481acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin getpid()); 482acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 483acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // important: release the mutex here so the client can call back 484acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // into the service from its destructor (can be at the end of the call) 485bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 4860f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk device = client; 4870f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 488634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 489634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 4900f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunkstatus_t CameraService::connectFinishUnsafe(const sp<BasicClient>& client, 4910f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk const sp<IBinder>& remoteCallback) { 4920f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = client->initialize(mModule); 4930f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 4940f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 495e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 496e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 497e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin remoteCallback->linkToDeath(this); 498e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 4990f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 500e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin} 501e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 5020f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunkstatus_t CameraService::connectPro( 503634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin const sp<IProCameraCallbacks>& cameraCb, 504c073ba525404f3416c2824c435d3d926a9892f1bIgor Murashkin int cameraId, 505c073ba525404f3416c2824c435d3d926a9892f1bIgor Murashkin const String16& clientPackageName, 5060f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk int clientUid, 5070f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk /*out*/ 5080f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk sp<IProCameraUser>& device) 509634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 510bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin String8 clientName8(clientPackageName); 511634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin int callingPid = getCallingPid(); 512634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 513e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin LOG1("CameraService::connectPro E (pid %d \"%s\", id %d)", callingPid, 514e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin clientName8.string(), cameraId); 5150f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = validateConnect(cameraId, /*inout*/clientUid); 5160f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 5170f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 51861ab9f93315ea817cd1ac110e2a95da4dab6b4d1Eino-Ville Talvala } 51961ab9f93315ea817cd1ac110e2a95da4dab6b4d1Eino-Ville Talvala 520acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin sp<ProClient> client; 521e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin { 522acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin Mutex::Autolock lock(mServiceLock); 523acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin { 524e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client; 525acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin if (!canConnectUnsafe(cameraId, clientPackageName, 526acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraCb->asBinder(), 527acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin /*out*/client)) { 5280f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -EBUSY; 529acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 530e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 531634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 532acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin int facing = -1; 533acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin int deviceVersion = getDeviceVersion(cameraId, &facing); 534634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 535acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin switch(deviceVersion) { 536acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_1_0: 537acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Camera id %d uses HALv1, doesn't support ProCamera", 538acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraId); 53917963d16d66526288ed66c91a6744daf3acfd731Ruben Brunk return -EOPNOTSUPP; 540acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin break; 541acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_0: 542acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_1: 54347110057829ba7d5c7b41fd2aa381b5f5ed811caZhijun He case CAMERA_DEVICE_API_VERSION_3_0: 544acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin client = new ProCamera2Client(this, cameraCb, String16(), 545acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraId, facing, callingPid, USE_CALLING_UID, getpid()); 546acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin break; 547acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case -1: 548acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Invalid camera id %d", cameraId); 5490f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return BAD_VALUE; 550acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin default: 551acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Unknown camera device HAL version: %d", deviceVersion); 5520f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return INVALID_OPERATION; 553acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 5545861a9a98c641261c4807c976c750e4611b3a57dTyler Luu 5550f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = connectFinishUnsafe(client, client->getRemote()); 5560f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 5570f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 558acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 559f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala 560acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin mProClientList[cameraId].push(client); 561634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 562acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin LOG1("CameraService::connectPro X (id %d, this pid is %d)", cameraId, 563acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin getpid()); 564acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 565acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // important: release the mutex here so the client can call back 566acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // into the service from its destructor (can be at the end of the call) 5670f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk device = client; 5680f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 569bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin} 570634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 5710f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunkstatus_t CameraService::connectDevice( 572e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin const sp<ICameraDeviceCallbacks>& cameraCb, 573e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin int cameraId, 574e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin const String16& clientPackageName, 5750f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk int clientUid, 5760f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk /*out*/ 5770f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk sp<ICameraDeviceUser>& device) 578e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin{ 579e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 580e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin String8 clientName8(clientPackageName); 581e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin int callingPid = getCallingPid(); 582e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 583e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin LOG1("CameraService::connectDevice E (pid %d \"%s\", id %d)", callingPid, 584e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin clientName8.string(), cameraId); 585e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 5860f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = validateConnect(cameraId, /*inout*/clientUid); 5870f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 5880f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 589e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 590e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 591e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<CameraDeviceClient> client; 592e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin { 593e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin Mutex::Autolock lock(mServiceLock); 594e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin { 595e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client; 596e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin if (!canConnectUnsafe(cameraId, clientPackageName, 597e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin cameraCb->asBinder(), 598e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin /*out*/client)) { 5990f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -EBUSY; 600e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 601e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 602e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 603e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin int facing = -1; 604e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin int deviceVersion = getDeviceVersion(cameraId, &facing); 605e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 606e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // If there are other non-exclusive users of the camera, 607e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // this will tear them down before we can reuse the camera 608e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin if (isValidCameraId(cameraId)) { 609e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // transition from PRESENT -> NOT_AVAILABLE 610e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin updateStatus(ICameraServiceListener::STATUS_NOT_AVAILABLE, 611e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin cameraId); 612e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 613e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 614e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin switch(deviceVersion) { 615e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin case CAMERA_DEVICE_API_VERSION_1_0: 6160f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk ALOGW("Camera using old HAL version: %d", deviceVersion); 61717963d16d66526288ed66c91a6744daf3acfd731Ruben Brunk return -EOPNOTSUPP; 618e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // TODO: don't allow 2.0 Only allow 2.1 and higher 619e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_0: 620e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_1: 621e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin case CAMERA_DEVICE_API_VERSION_3_0: 622e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin client = new CameraDeviceClient(this, cameraCb, String16(), 623e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin cameraId, facing, callingPid, USE_CALLING_UID, getpid()); 624e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin break; 625e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin case -1: 626e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin ALOGE("Invalid camera id %d", cameraId); 6270f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return BAD_VALUE; 628e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin default: 629e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin ALOGE("Unknown camera device HAL version: %d", deviceVersion); 6300f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return INVALID_OPERATION; 631e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 632e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 6330f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = connectFinishUnsafe(client, client->getRemote()); 6340f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 635e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // this is probably not recoverable.. maybe the client can try again 636e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // OK: we can only get here if we were originally in PRESENT state 637e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin updateStatus(ICameraServiceListener::STATUS_PRESENT, cameraId); 6380f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 639e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 640e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 641e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin LOG1("CameraService::connectDevice X (id %d, this pid is %d)", cameraId, 642e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin getpid()); 643e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 644e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin mClient[cameraId] = client; 645e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 646e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // important: release the mutex here so the client can call back 647e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // into the service from its destructor (can be at the end of the call) 648e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 6490f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk device = client; 6500f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 651e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin} 652e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 653e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 654bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkinstatus_t CameraService::addListener( 655bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin const sp<ICameraServiceListener>& listener) { 656bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGV("%s: Add listener %p", __FUNCTION__, listener.get()); 657634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 658bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Mutex::Autolock lock(mServiceLock); 659bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 660bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<sp<ICameraServiceListener> >::iterator it, end; 661bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (it = mListenerList.begin(); it != mListenerList.end(); ++it) { 662bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if ((*it)->asBinder() == listener->asBinder()) { 663bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGW("%s: Tried to add listener %p which was already subscribed", 664bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin __FUNCTION__, listener.get()); 665bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return ALREADY_EXISTS; 666bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 667bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 668bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 669bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin mListenerList.push_back(listener); 670bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 671cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /* Immediately signal current status to this listener only */ 672cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin { 673cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin Mutex::Autolock m(mStatusMutex) ; 674cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int numCams = getNumberOfCameras(); 675cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin for (int i = 0; i < numCams; ++i) { 676cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin listener->onStatusChanged(mStatusList[i], i); 677cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 678cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 679cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 680bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return OK; 681bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin} 682bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkinstatus_t CameraService::removeListener( 683bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin const sp<ICameraServiceListener>& listener) { 684bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGV("%s: Remove listener %p", __FUNCTION__, listener.get()); 685bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 686bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Mutex::Autolock lock(mServiceLock); 687bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 688bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<sp<ICameraServiceListener> >::iterator it; 689bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (it = mListenerList.begin(); it != mListenerList.end(); ++it) { 690bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if ((*it)->asBinder() == listener->asBinder()) { 691bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin mListenerList.erase(it); 692bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return OK; 693bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 694bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 695bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 696bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGW("%s: Tried to remove a listener %p which was not subscribed", 697bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin __FUNCTION__, listener.get()); 698bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 699bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return BAD_VALUE; 70065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 70165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 702634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinvoid CameraService::removeClientByRemote(const wp<IBinder>& remoteBinder) { 70365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 704634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin LOG1("CameraService::removeClientByRemote E (pid %d)", callingPid); 70565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 706ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Declare this before the lock to make absolutely sure the 707ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // destructor won't be called with the lock held. 708ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin Mutex::Autolock lock(mServiceLock); 709ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 710ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin int outIndex; 711e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client = findClientUnsafe(remoteBinder, outIndex); 712ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 713ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin if (client != 0) { 714ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Found our camera, clear and leave. 715ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin LOG1("removeClient: clear camera %d", outIndex); 716ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin mClient[outIndex].clear(); 71765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 718e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin client->getRemote()->unlinkToDeath(this); 719634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } else { 720634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 721634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<ProClient> clientPro = findProClientUnsafe(remoteBinder); 722634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 723634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (clientPro != NULL) { 724634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin // Found our camera, clear and leave. 725634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin LOG1("removeClient: clear pro %p", clientPro.get()); 726634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 727634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin clientPro->getRemoteCallback()->asBinder()->unlinkToDeath(this); 728634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 729634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 730634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 731634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin LOG1("CameraService::removeClientByRemote X (pid %d)", callingPid); 732634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 733634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 734634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinsp<CameraService::ProClient> CameraService::findProClientUnsafe( 735634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin const wp<IBinder>& cameraCallbacksRemote) 736634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 737634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<ProClient> clientPro; 738634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 739634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin for (int i = 0; i < mNumberOfCameras; ++i) { 740634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin Vector<size_t> removeIdx; 741634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 742634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin for (size_t j = 0; j < mProClientList[i].size(); ++j) { 743634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin wp<ProClient> cl = mProClientList[i][j]; 744634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 745634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<ProClient> clStrong = cl.promote(); 746634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (clStrong != NULL && clStrong->getRemote() == cameraCallbacksRemote) { 747634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin clientPro = clStrong; 748634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin break; 749634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } else if (clStrong == NULL) { 750634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin // mark to clean up dead ptr 751634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin removeIdx.push(j); 752634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 753634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 754634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 755634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin // remove stale ptrs (in reverse so the indices dont change) 756634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin for (ssize_t j = (ssize_t)removeIdx.size() - 1; j >= 0; --j) { 757634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mProClientList[i].removeAt(removeIdx[j]); 758634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 759634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 760ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin } 761ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 762634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin return clientPro; 763ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin} 764ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 765e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkinsp<CameraService::BasicClient> CameraService::findClientUnsafe( 766294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin const wp<IBinder>& cameraClient, int& outIndex) { 767e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client; 768ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 769ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin for (int i = 0; i < mNumberOfCameras; i++) { 77065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 77165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // This happens when we have already disconnected (or this is 77265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // just another unused camera). 77365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClient[i] == 0) continue; 77465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 77565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Promote mClient. It can fail if we are called from this path: 776634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin // Client::~Client() -> disconnect() -> removeClientByRemote(). 77765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client = mClient[i].promote(); 77865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 779ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Clean up stale client entry 780ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin if (client == NULL) { 78165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[i].clear(); 78265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian continue; 78365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 78465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 785e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin if (cameraClient == client->getRemote()) { 786ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Found our camera 787ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin outIndex = i; 788ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin return client; 78965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 79065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 79165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 792ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin outIndex = -1; 793ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin return NULL; 79465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 79565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 796e7ee7637747371635a85fedd24d2190bb1f38651Igor MurashkinCameraService::BasicClient* CameraService::getClientByIdUnsafe(int cameraId) { 79765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) return NULL; 798d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park return mClient[cameraId].unsafe_get(); 799d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park} 800d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 801d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkMutex* CameraService::getClientLockById(int cameraId) { 802d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (cameraId < 0 || cameraId >= mNumberOfCameras) return NULL; 803d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park return &mClientLock[cameraId]; 80465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 80565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 806634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinsp<CameraService::BasicClient> CameraService::getClientByRemote( 807294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin const wp<IBinder>& cameraClient) { 808ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 809ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Declare this before the lock to make absolutely sure the 810ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // destructor won't be called with the lock held. 811634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<BasicClient> client; 812ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 813ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin Mutex::Autolock lock(mServiceLock); 814ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 815ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin int outIndex; 816ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin client = findClientUnsafe(cameraClient, outIndex); 817ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 818ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin return client; 819ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin} 820ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 82165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::onTransact( 82265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) { 82365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Permission checks 82465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (code) { 82565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case BnCameraService::CONNECT: 826634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin case BnCameraService::CONNECT_PRO: 82765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int pid = getCallingPid(); 82865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int self_pid = getpid(); 82965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (pid != self_pid) { 83065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // we're called from a different process, do the real check 83165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!checkCallingPermission( 83265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String16("android.permission.CAMERA"))) { 83365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int uid = getCallingUid(); 83429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Permission Denial: " 83565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't use the camera pid=%d, uid=%d", pid, uid); 83665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return PERMISSION_DENIED; 83765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 83865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 83965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 84065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 84165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 84265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BnCameraService::onTransact(code, data, reply, flags); 84365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 84465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 84565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// The reason we need this busy bit is a new CameraService::connect() request 84665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// may come in while the previous Client's destructor has not been run or is 84765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// still running. If the last strong reference of the previous Client is gone 84865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// but the destructor has not been finished, we should not allow the new Client 84965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// to be created because we need to wait for the previous Client to tear down 85065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// the hardware first. 85165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::setCameraBusy(int cameraId) { 85265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(1, &mBusy[cameraId]); 853ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 854ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("setCameraBusy cameraId=%d", cameraId); 85565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 85665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 85765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::setCameraFree(int cameraId) { 85865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(0, &mBusy[cameraId]); 859ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 860ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("setCameraFree cameraId=%d", cameraId); 86165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 86265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 86365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// We share the media players for shutter and recording sound for all clients. 86465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// A reference count is kept to determine when we will actually release the 86565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// media players. 86665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 867ff4f55c8d77e276dbcceedb4e560ca1d91ba38baChih-Chung ChangMediaPlayer* CameraService::newMediaPlayer(const char *file) { 86865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian MediaPlayer* mp = new MediaPlayer(); 86965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mp->setDataSource(file, NULL) == NO_ERROR) { 87060a78ac9535878984b0777788760b9ee7465c5e6Eino-Ville Talvala mp->setAudioStreamType(AUDIO_STREAM_ENFORCED_AUDIBLE); 87165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mp->prepare(); 87265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 87329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Failed to load CameraService sounds: %s", file); 87465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 87565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mp; 87765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 87865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 87965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::loadSound() { 88065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 88165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::loadSound ref=%d", mSoundRef); 88265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSoundRef++) return; 88365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 88465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[SOUND_SHUTTER] = newMediaPlayer("/system/media/audio/ui/camera_click.ogg"); 88565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[SOUND_RECORDING] = newMediaPlayer("/system/media/audio/ui/VideoRecord.ogg"); 88665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 88765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 88865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::releaseSound() { 88965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 89065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::releaseSound ref=%d", mSoundRef); 89165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (--mSoundRef) return; 89265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 89365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < NUM_SOUNDS; i++) { 89465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSoundPlayer[i] != 0) { 89565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[i]->disconnect(); 89665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[i].clear(); 89765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 89865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 89965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 90065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 90165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::playSound(sound_kind kind) { 90265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("playSound(%d)", kind); 90365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 90465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<MediaPlayer> player = mSoundPlayer[kind]; 90565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (player != 0) { 9068888a75f01d904541e409e858d23e4150ace34b6Chih-Chung Chang player->seekTo(0); 9078888a75f01d904541e409e858d23e4150ace34b6Chih-Chung Chang player->start(); 90865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 90965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 91065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 91165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 91265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 91365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::Client::Client(const sp<CameraService>& cameraService, 914b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li const sp<ICameraClient>& cameraClient, 915ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const String16& clientPackageName, 916ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int cameraId, int cameraFacing, 917ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int clientPid, uid_t clientUid, 918ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int servicePid) : 919634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin CameraService::BasicClient(cameraService, cameraClient->asBinder(), 920ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientPackageName, 921ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala cameraId, cameraFacing, 922ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientPid, clientUid, 923ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala servicePid) 924634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 92565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 9262fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li LOG1("Client::Client E (pid %d, id %d)", callingPid, cameraId); 92765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 92844cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin mRemoteCallback = cameraClient; 9295e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 93065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian cameraService->setCameraBusy(cameraId); 93165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian cameraService->loadSound(); 932ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 9332fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li LOG1("Client::Client X (pid %d, id %d)", callingPid, cameraId); 93465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 93565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 93665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// tear down the client 93765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::Client::~Client() { 938d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGV("~Client"); 939634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mDestructionStarted = true; 940634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 941f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala mCameraService->releaseSound(); 942036bc3e2cfc5a11c3f7ace41088c8936dae2e946Igor Murashkin // unconditionally disconnect. function is idempotent 943036bc3e2cfc5a11c3f7ace41088c8936dae2e946Igor Murashkin Client::disconnect(); 94465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 94565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 946634a51509ee50475f3e9f8ccf897e90fc72ded31Igor MurashkinCameraService::BasicClient::BasicClient(const sp<CameraService>& cameraService, 947ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const sp<IBinder>& remoteCallback, 948ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const String16& clientPackageName, 949ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int cameraId, int cameraFacing, 950ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int clientPid, uid_t clientUid, 951ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int servicePid): 952ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientPackageName(clientPackageName) 953634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 954634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mCameraService = cameraService; 95544cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin mRemoteBinder = remoteCallback; 956634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mCameraId = cameraId; 957634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mCameraFacing = cameraFacing; 958634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mClientPid = clientPid; 959ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientUid = clientUid; 960634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mServicePid = servicePid; 961ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsActive = false; 962634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mDestructionStarted = false; 963634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 964634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 965634a51509ee50475f3e9f8ccf897e90fc72ded31Igor MurashkinCameraService::BasicClient::~BasicClient() { 966d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGV("~BasicClient"); 967634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mDestructionStarted = true; 968634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 969634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 970634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinvoid CameraService::BasicClient::disconnect() { 971d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGV("BasicClient::disconnect"); 97244cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin mCameraService->removeClientByRemote(mRemoteBinder); 973cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // client shouldn't be able to call into us anymore 974cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mClientPid = 0; 975634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 976634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 977ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalastatus_t CameraService::BasicClient::startCameraOps() { 978ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int32_t res; 979ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 980ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsCallback = new OpsCallback(this); 981ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 982e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin { 983e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin ALOGV("%s: Start camera ops, package name = %s, client UID = %d", 984e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin __FUNCTION__, String8(mClientPackageName).string(), mClientUid); 985e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 986e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 987ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mAppOpsManager.startWatchingMode(AppOpsManager::OP_CAMERA, 988ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientPackageName, mOpsCallback); 989ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res = mAppOpsManager.startOp(AppOpsManager::OP_CAMERA, 990ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientUid, mClientPackageName); 991ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 992ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (res != AppOpsManager::MODE_ALLOWED) { 993ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGI("Camera %d: Access for \"%s\" has been revoked", 994ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mCameraId, String8(mClientPackageName).string()); 995ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala return PERMISSION_DENIED; 996ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 997ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsActive = true; 998ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala return OK; 999ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1000ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1001ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalastatus_t CameraService::BasicClient::finishCameraOps() { 1002ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (mOpsActive) { 1003ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mAppOpsManager.finishOp(AppOpsManager::OP_CAMERA, mClientUid, 1004ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientPackageName); 1005ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsActive = false; 1006ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 1007ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mAppOpsManager.stopWatchingMode(mOpsCallback); 1008ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsCallback.clear(); 1009ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1010ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala return OK; 1011ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1012ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1013ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalavoid CameraService::BasicClient::opChanged(int32_t op, const String16& packageName) { 1014ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala String8 name(packageName); 1015ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala String8 myName(mClientPackageName); 1016ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1017ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (op != AppOpsManager::OP_CAMERA) { 1018ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGW("Unexpected app ops notification received: %d", op); 1019ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala return; 1020ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 1021ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1022ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int32_t res; 1023ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res = mAppOpsManager.checkOp(AppOpsManager::OP_CAMERA, 1024ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientUid, mClientPackageName); 1025ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGV("checkOp returns: %d, %s ", res, 1026ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res == AppOpsManager::MODE_ALLOWED ? "ALLOWED" : 1027ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res == AppOpsManager::MODE_IGNORED ? "IGNORED" : 1028ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res == AppOpsManager::MODE_ERRORED ? "ERRORED" : 1029ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala "UNKNOWN"); 1030ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1031ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (res != AppOpsManager::MODE_ALLOWED) { 1032ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGI("Camera %d: Access for \"%s\" revoked", mCameraId, 1033ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala myName.string()); 1034ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala // Reset the client PID to allow server-initiated disconnect, 1035ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala // and to prevent further calls by client. 1036ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientPid = getCallingPid(); 1037ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala notifyError(); 1038ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala disconnect(); 1039ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 1040ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1041ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 104265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 104365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1044d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkMutex* CameraService::Client::getClientLockFromCookie(void* user) { 1045377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT return gCameraService->getClientLockById((int)(intptr_t) user); 1046d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park} 1047d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 1048d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park// Provide client pointer for callbacks. Client lock returned from getClientLockFromCookie should 1049d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park// be acquired for this to be safe 1050d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkCameraService::Client* CameraService::Client::getClientFromCookie(void* user) { 1051377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT BasicClient *basicClient = gCameraService->getClientByIdUnsafe((int)(intptr_t) user); 1052e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // OK: only CameraClient calls this, and they already cast anyway. 1053e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin Client* client = static_cast<Client*>(basicClient); 105465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // This could happen if the Client is in the process of shutting down (the 105665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // last strong reference is gone, but the destructor hasn't finished 105765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // stopping the hardware). 1058d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (client == NULL) return NULL; 1059d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 1060d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park // destruction already started, so should not be accessed 1061d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (client->mDestructionStarted) return NULL; 106265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 106365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return client; 106465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 106565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1066ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalavoid CameraService::Client::notifyError() { 106744cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin mRemoteCallback->notifyCallback(CAMERA_MSG_ERROR, CAMERA_ERROR_RELEASED, 0); 1068ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1069ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1070036bc3e2cfc5a11c3f7ace41088c8936dae2e946Igor Murashkin// NOTE: function is idempotent 10715e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraService::Client::disconnect() { 1072d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGV("Client::disconnect"); 1073634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin BasicClient::disconnect(); 10745e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mCameraService->setCameraFree(mCameraId); 107593747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin 107693747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin StatusVector rejectSourceStates; 107793747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin rejectSourceStates.push_back(ICameraServiceListener::STATUS_NOT_PRESENT); 107893747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin rejectSourceStates.push_back(ICameraServiceListener::STATUS_ENUMERATING); 107993747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin 108093747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin // Transition to PRESENT if the camera is not in either of above 2 states 1081cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mCameraService->updateStatus(ICameraServiceListener::STATUS_PRESENT, 108293747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin mCameraId, 108393747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin &rejectSourceStates); 1084e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li} 1085e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li 1086ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville TalvalaCameraService::Client::OpsCallback::OpsCallback(wp<BasicClient> client): 1087ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClient(client) { 1088ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1089ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1090ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalavoid CameraService::Client::OpsCallback::opChanged(int32_t op, 1091ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const String16& packageName) { 1092ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala sp<BasicClient> client = mClient.promote(); 1093ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (client != NULL) { 1094ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala client->opChanged(op, packageName); 1095ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 1096ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1097ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 109865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 1099634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin// IProCamera 1100634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin// ---------------------------------------------------------------------------- 1101634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1102634a51509ee50475f3e9f8ccf897e90fc72ded31Igor MurashkinCameraService::ProClient::ProClient(const sp<CameraService>& cameraService, 1103ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const sp<IProCameraCallbacks>& remoteCallback, 1104ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const String16& clientPackageName, 1105ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int cameraId, 1106ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int cameraFacing, 1107ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int clientPid, 1108ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala uid_t clientUid, 1109ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int servicePid) 1110ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala : CameraService::BasicClient(cameraService, remoteCallback->asBinder(), 1111ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientPackageName, cameraId, cameraFacing, 1112ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientPid, clientUid, servicePid) 1113634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 1114634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mRemoteCallback = remoteCallback; 1115634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 1116634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1117634a51509ee50475f3e9f8ccf897e90fc72ded31Igor MurashkinCameraService::ProClient::~ProClient() { 1118634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 1119634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1120ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalavoid CameraService::ProClient::notifyError() { 1121e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin mRemoteCallback->notifyCallback(CAMERA_MSG_ERROR, CAMERA_ERROR_RELEASED, 0); 1122ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1123ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1124634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin// ---------------------------------------------------------------------------- 112565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 112665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const int kDumpLockRetries = 50; 112765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const int kDumpLockSleep = 60000; 112865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 112965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic bool tryLock(Mutex& mutex) 113065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 113165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = false; 113265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < kDumpLockRetries; ++i) { 113365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mutex.tryLock() == NO_ERROR) { 113465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian locked = true; 113565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 113665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 113765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian usleep(kDumpLockSleep); 113865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 113965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return locked; 114065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 114165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 114265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::dump(int fd, const Vector<String16>& args) { 114365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 result; 114465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 1145611f61998863d3a3ffae4e5f2b723b7319c59ddfEino-Ville Talvala result.appendFormat("Permission Denial: " 114665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't dump CameraService from pid=%d, uid=%d\n", 114765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian getCallingPid(), 114865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian getCallingUid()); 114965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 115065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 115165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = tryLock(mServiceLock); 115265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // failed to lock - CameraService is probably deadlocked 115365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!locked) { 1154611f61998863d3a3ffae4e5f2b723b7319c59ddfEino-Ville Talvala result.append("CameraService may be deadlocked\n"); 1155f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 115665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 115765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 115865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool hasClient = false; 1159f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (!mModule) { 1160f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("No camera module available!\n"); 1161f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 11626ec3a15257ca2b56b675a610aef43cc4ec6aaf00Kalle Lampila if (locked) mServiceLock.unlock(); 1163f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala return NO_ERROR; 1164f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 1165f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala 1166f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("Camera module HAL API version: 0x%x\n", 1167f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala mModule->common.hal_api_version); 1168f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat("Camera module API version: 0x%x\n", 1169f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala mModule->common.module_api_version); 1170f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat("Camera module name: %s\n", 1171f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala mModule->common.name); 1172f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat("Camera module author: %s\n", 1173f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala mModule->common.author); 1174f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat("Number of camera devices: %d\n\n", mNumberOfCameras); 1175f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 117665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 1177f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("Camera %d static information:\n", i); 1178f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala camera_info info; 1179f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala 1180f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala status_t rc = mModule->get_camera_info(i, &info); 1181f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (rc != OK) { 1182f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Error reading static information!\n"); 1183f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1184f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } else { 1185f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Facing: %s\n", 1186f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala info.facing == CAMERA_FACING_BACK ? "BACK" : "FRONT"); 1187f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Orientation: %d\n", info.orientation); 1188f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala int deviceVersion; 1189f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (mModule->common.module_api_version < 1190f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala CAMERA_MODULE_API_VERSION_2_0) { 1191f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala deviceVersion = CAMERA_DEVICE_API_VERSION_1_0; 1192f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } else { 1193f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala deviceVersion = info.device_version; 1194f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 1195f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Device version: 0x%x\n", deviceVersion); 1196f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (deviceVersion >= CAMERA_DEVICE_API_VERSION_2_0) { 1197f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Device static metadata:\n"); 1198f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1199428b77a2b94b74665a47375b3fdb893b98d71269Eino-Ville Talvala dump_indented_camera_metadata(info.static_camera_characteristics, 1200428b77a2b94b74665a47375b3fdb893b98d71269Eino-Ville Talvala fd, 2, 4); 1201f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } else { 1202f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1203f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 1204f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 1205f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala 1206e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client = mClient[i].promote(); 1207f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (client == 0) { 1208f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format(" Device is closed, no client instance\n"); 1209f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1210f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala continue; 1211f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 121265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian hasClient = true; 1213f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format(" Device is open. Client instance dump:\n"); 1214f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 12155e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client->dump(fd, args); 121665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 121765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!hasClient) { 1218f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("\nNo active camera clients yet.\n"); 1219f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 122065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 122165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 122265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (locked) mServiceLock.unlock(); 122365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1224ff3e31d2b100d8efd969b358b18e4405c49dd10dIgor Murashkin // Dump camera traces if there were any 1225ff3e31d2b100d8efd969b358b18e4405c49dd10dIgor Murashkin write(fd, "\n", 1); 1226ff3e31d2b100d8efd969b358b18e4405c49dd10dIgor Murashkin camera3::CameraTraces::dump(fd, args); 1227ff3e31d2b100d8efd969b358b18e4405c49dd10dIgor Murashkin 122865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // change logging level 122965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int n = args.size(); 123065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i + 1 < n; i++) { 1231611f61998863d3a3ffae4e5f2b723b7319c59ddfEino-Ville Talvala String16 verboseOption("-v"); 1232611f61998863d3a3ffae4e5f2b723b7319c59ddfEino-Ville Talvala if (args[i] == verboseOption) { 123365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 levelStr(args[i+1]); 123465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int level = atoi(levelStr.string()); 1235f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("\nSetting log level to %d.\n", level); 123665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian setLogLevel(level); 1237f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 123865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 123965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 1240f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala 124165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 124265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 124365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 124465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1245ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin/*virtual*/void CameraService::binderDied( 1246ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin const wp<IBinder> &who) { 1247ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1248294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin /** 1249294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin * While tempting to promote the wp<IBinder> into a sp, 1250294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin * it's actually not supported by the binder driver 1251294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin */ 1252294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin 1253ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("java clients' binder died"); 1254ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1255634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<BasicClient> cameraClient = getClientByRemote(who); 1256ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1257294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin if (cameraClient == 0) { 1258ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("java clients' binder death already cleaned up (normal case)"); 1259ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin return; 1260ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin } 1261ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1262ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGW("Disconnecting camera client %p since the binder for it " 1263ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin "died (this pid %d)", cameraClient.get(), getCallingPid()); 1264ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1265ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin cameraClient->disconnect(); 1266ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1267ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin} 1268ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1269bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkinvoid CameraService::updateStatus(ICameraServiceListener::Status status, 127093747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin int32_t cameraId, 127193747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin const StatusVector *rejectSourceStates) { 1272bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin // do not lock mServiceLock here or can get into a deadlock from 1273bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin // connect() -> ProClient::disconnect -> updateStatus 1274bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Mutex::Autolock lock(mStatusMutex); 1275bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1276bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ICameraServiceListener::Status oldStatus = mStatusList[cameraId]; 1277bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1278bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin mStatusList[cameraId] = status; 1279bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1280bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if (oldStatus != status) { 1281bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGV("%s: Status has changed for camera ID %d from 0x%x to 0x%x", 1282bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin __FUNCTION__, cameraId, (uint32_t)oldStatus, (uint32_t)status); 1283bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1284cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (oldStatus == ICameraServiceListener::STATUS_NOT_PRESENT && 1285cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin (status != ICameraServiceListener::STATUS_PRESENT && 1286cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin status != ICameraServiceListener::STATUS_ENUMERATING)) { 1287cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 1288cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGW("%s: From NOT_PRESENT can only transition into PRESENT" 1289cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin " or ENUMERATING", __FUNCTION__); 1290cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mStatusList[cameraId] = oldStatus; 1291cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return; 1292cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 1293cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 129493747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin if (rejectSourceStates != NULL) { 129593747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin const StatusVector &rejectList = *rejectSourceStates; 129693747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin StatusVector::const_iterator it = rejectList.begin(); 129793747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin 129893747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin /** 129993747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin * Sometimes we want to conditionally do a transition. 130093747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin * For example if a client disconnects, we want to go to PRESENT 130193747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin * only if we weren't already in NOT_PRESENT or ENUMERATING. 130293747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin */ 130393747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin for (; it != rejectList.end(); ++it) { 130493747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin if (oldStatus == *it) { 130593747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin ALOGV("%s: Rejecting status transition for Camera ID %d, " 130693747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin " since the source state was was in one of the bad " 130793747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin " states.", __FUNCTION__, cameraId); 130893747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin mStatusList[cameraId] = oldStatus; 130993747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin return; 131093747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin } 131193747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin } 131293747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin } 131393747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin 1314bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin /** 1315bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin * ProClients lose their exclusive lock. 1316bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin * - Done before the CameraClient can initialize the HAL device, 1317bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin * since we want to be able to close it before they get to initialize 1318bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin */ 1319bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if (status == ICameraServiceListener::STATUS_NOT_AVAILABLE) { 1320bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<wp<ProClient> > proClients(mProClientList[cameraId]); 1321bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<wp<ProClient> >::const_iterator it; 1322bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1323bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (it = proClients.begin(); it != proClients.end(); ++it) { 1324bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin sp<ProClient> proCl = it->promote(); 1325bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if (proCl.get() != NULL) { 1326bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin proCl->onExclusiveLockStolen(); 1327bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1328bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1329bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1330bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1331bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<sp<ICameraServiceListener> >::const_iterator it; 1332bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (it = mListenerList.begin(); it != mListenerList.end(); ++it) { 1333bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin (*it)->onStatusChanged(status, cameraId); 1334bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1335bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1336bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin} 1337bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1338cba2c163555cd329f49d40658ea3ee902e94dda3Igor MurashkinICameraServiceListener::Status CameraService::getStatus(int cameraId) const { 1339cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (cameraId < 0 || cameraId >= MAX_CAMERAS) { 1340cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGE("%s: Invalid camera ID %d", __FUNCTION__, cameraId); 1341cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return ICameraServiceListener::STATUS_UNKNOWN; 1342cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 1343cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 1344cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin Mutex::Autolock al(mStatusMutex); 1345cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return mStatusList[cameraId]; 1346cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin} 1347cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 134865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; // namespace android 1349