CameraService.cpp revision f81648ec38ff63f1f35516fa27c1c24d846e9ba5
165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian/* 2d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk * Copyright (C) 2008 The Android Open Source Project 3d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk * 4d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk * Licensed under the Apache License, Version 2.0 (the "License"); 5d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk * you may not use this file except in compliance with the License. 6d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk * You may obtain a copy of the License at 7d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk * 8d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk * http://www.apache.org/licenses/LICENSE-2.0 9d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk * 10d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk * Unless required by applicable law or agreed to in writing, software 11d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk * distributed under the License is distributed on an "AS IS" BASIS, 12d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk * See the License for the specific language governing permissions and 14d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk * limitations under the License. 15d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk */ 1665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define LOG_TAG "CameraService" 188951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev//#define LOG_NDEBUG 0 1965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <stdio.h> 21d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk#include <string.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> 351b86fe063badb5f28c467ade39be0f4008688947Andreas Huber#include <media/IMediaHTTPService.h> 3665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/mediaplayer.h> 3765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Errors.h> 3865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Log.h> 3965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/String16.h> 40d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk#include <utils/Trace.h> 41d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk#include <system/camera_vendor_tags.h> 4265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include "CameraService.h" 447b82efe7a376c882f8f938e1c41b8311a8cdda4aEino-Ville Talvala#include "api1/CameraClient.h" 457b82efe7a376c882f8f938e1c41b8311a8cdda4aEino-Ville Talvala#include "api1/Camera2Client.h" 467b82efe7a376c882f8f938e1c41b8311a8cdda4aEino-Ville Talvala#include "api_pro/ProCamera2Client.h" 477b82efe7a376c882f8f938e1c41b8311a8cdda4aEino-Ville Talvala#include "api2/CameraDeviceClient.h" 48ff3e31d2b100d8efd969b358b18e4405c49dd10dIgor Murashkin#include "utils/CameraTraces.h" 4998e24724fb77445d4d015a5fec4ecbd5b49abc9bIgor Murashkin#include "CameraDeviceFactory.h" 5065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 5265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 5465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Logging support -- this is for debugging only 5565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Use "adb shell dumpsys media.camera -v 1" to change it. 565e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavolatile int32_t gLogLevel = 0; 5765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 58b8a805261bf0282e992d3608035e47d05a898710Steve Block#define LOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__); 59b8a805261bf0282e992d3608035e47d05a898710Steve Block#define LOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__); 6065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic void setLogLevel(int level) { 6265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(level, &gLogLevel); 6365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 6465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 6665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic int getCallingPid() { 6865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return IPCThreadState::self()->getCallingPid(); 6965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 7065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 7165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic int getCallingUid() { 7265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return IPCThreadState::self()->getCallingUid(); 7365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 7465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 75cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkinextern "C" { 76cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkinstatic void camera_device_status_change( 77cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin const struct camera_module_callbacks* callbacks, 78cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int camera_id, 79cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int new_status) { 80cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin sp<CameraService> cs = const_cast<CameraService*>( 81cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin static_cast<const CameraService*>(callbacks)); 82cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 83cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin cs->onDeviceStatusChanged( 84cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin camera_id, 85cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin new_status); 86cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin} 87cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin} // extern "C" 88cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 8965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 9065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 9165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// This is ugly and only safe if we never re-create the CameraService, but 9265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// should be ok for now. 9365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic CameraService *gCameraService; 9465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 9565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::CameraService() 96ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala :mSoundRef(0), mModule(0) 9765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 98df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("CameraService started (pid=%d)", getpid()); 998951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev gCameraService = this; 100bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 101bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (size_t i = 0; i < MAX_CAMERAS; ++i) { 102cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mStatusList[i] = ICameraServiceListener::STATUS_PRESENT; 103bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 104cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 105cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin this->camera_device_status_change = android::camera_device_status_change; 1068951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev} 10765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1088951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchevvoid CameraService::onFirstRef() 1098951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev{ 110634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin LOG1("CameraService::onFirstRef"); 111634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1128951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev BnCameraService::onFirstRef(); 11365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1148951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (hw_get_module(CAMERA_HARDWARE_MODULE_ID, 1158951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev (const hw_module_t **)&mModule) < 0) { 11629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not load camera HAL module"); 1178951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = 0; 1188951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 1198951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev else { 120c0dd54f1a77fb94ae69cc3ac5944d718bb6caa28Alex Ray ALOGI("Loaded \"%s\" camera module", mModule->common.name); 1218951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = mModule->get_number_of_cameras(); 1228951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (mNumberOfCameras > MAX_CAMERAS) { 12329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Number of cameras(%d) > MAX_CAMERAS(%d).", 1248951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras, MAX_CAMERAS); 1258951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = MAX_CAMERAS; 1268951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 1278951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev for (int i = 0; i < mNumberOfCameras; i++) { 1288951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev setCameraFree(i); 1298951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 130cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 131cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (mModule->common.module_api_version >= 132cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin CAMERA_MODULE_API_VERSION_2_1) { 133cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mModule->set_callbacks(this); 134cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 13598e24724fb77445d4d015a5fec4ecbd5b49abc9bIgor Murashkin 136d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk VendorTagDescriptor::clearGlobalVendorTagDescriptor(); 137d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk 138d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk if (mModule->common.module_api_version >= CAMERA_MODULE_API_VERSION_2_2) { 139d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk setUpVendorTags(); 140d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk } 141d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk 14298e24724fb77445d4d015a5fec4ecbd5b49abc9bIgor Murashkin CameraDeviceFactory::registerService(this); 14365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 14465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 14565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 14665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::~CameraService() { 14765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 14865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mBusy[i]) { 14929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("camera %d is still in use in destructor!", i); 15065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 15165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 15265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 153d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk VendorTagDescriptor::clearGlobalVendorTagDescriptor(); 15465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian gCameraService = NULL; 15565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 15665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 157cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkinvoid CameraService::onDeviceStatusChanged(int cameraId, 158cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int newStatus) 159cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin{ 160cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGI("%s: Status changed for cameraId=%d, newStatus=%d", __FUNCTION__, 161cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin cameraId, newStatus); 162cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 163cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (cameraId < 0 || cameraId >= MAX_CAMERAS) { 164cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGE("%s: Bad camera ID %d", __FUNCTION__, cameraId); 165cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return; 166cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 167cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 168cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if ((int)getStatus(cameraId) == newStatus) { 169cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGE("%s: State transition to the same status 0x%x not allowed", 170cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin __FUNCTION__, (uint32_t)newStatus); 171cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return; 172cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 173cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 174cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /* don't do this in updateStatus 175cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin since it is also called from connect and we could get into a deadlock */ 176cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (newStatus == CAMERA_DEVICE_STATUS_NOT_PRESENT) { 177cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin Vector<sp<BasicClient> > clientsToDisconnect; 178cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin { 179cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin Mutex::Autolock al(mServiceLock); 180cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 181cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /* Find all clients that we need to disconnect */ 182e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client = mClient[cameraId].promote(); 183cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (client.get() != NULL) { 184cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin clientsToDisconnect.push_back(client); 185cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 186cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 187cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int i = cameraId; 188cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin for (size_t j = 0; j < mProClientList[i].size(); ++j) { 189cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin sp<ProClient> cl = mProClientList[i][j].promote(); 190cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (cl != NULL) { 191cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin clientsToDisconnect.push_back(cl); 192cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 193cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 194cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 195cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 196cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /* now disconnect them. don't hold the lock 197cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin or we can get into a deadlock */ 198cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 199cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin for (size_t i = 0; i < clientsToDisconnect.size(); ++i) { 200cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin sp<BasicClient> client = clientsToDisconnect[i]; 201cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 202cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin client->disconnect(); 203cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /** 204cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin * The remote app will no longer be able to call methods on the 205cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin * client since the client PID will be reset to 0 206cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin */ 207cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 208cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 209e5729fac81c8a984e984fefc90afc64135817d4fColin Cross ALOGV("%s: After unplug, disconnected %zu clients", 210cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin __FUNCTION__, clientsToDisconnect.size()); 211cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 212cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 213cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin updateStatus( 214cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin static_cast<ICameraServiceListener::Status>(newStatus), cameraId); 215cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 216cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin} 217cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 21865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianint32_t CameraService::getNumberOfCameras() { 21965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mNumberOfCameras; 22065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 22165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 22265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::getCameraInfo(int cameraId, 22365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian struct CameraInfo* cameraInfo) { 2248951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (!mModule) { 2250f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -ENODEV; 2268951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 2278951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 22865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) { 22965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BAD_VALUE; 23065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 23165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2328951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev struct camera_info info; 2338951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev status_t rc = mModule->get_camera_info(cameraId, &info); 2348951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev cameraInfo->facing = info.facing; 2358951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev cameraInfo->orientation = info.orientation; 2368951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev return rc; 23765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 23865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2392b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun Hestatus_t CameraService::getCameraCharacteristics(int cameraId, 2402b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He CameraMetadata* cameraInfo) { 2412b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He if (!cameraInfo) { 2422b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He ALOGE("%s: cameraInfo is NULL", __FUNCTION__); 2432b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return BAD_VALUE; 2442b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He } 2452b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 2462b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He if (!mModule) { 2472b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He ALOGE("%s: camera hardware module doesn't exist", __FUNCTION__); 2482b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return -ENODEV; 2492b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He } 2502b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 2512b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He if (mModule->common.module_api_version < CAMERA_MODULE_API_VERSION_2_0) { 2522b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He // TODO: Remove this check once HAL1 shim is in place. 2532b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He ALOGE("%s: Only HAL module version V2 or higher supports static metadata", __FUNCTION__); 2542b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return BAD_VALUE; 2552b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He } 2562b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 2572b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He if (cameraId < 0 || cameraId >= mNumberOfCameras) { 2582b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He ALOGE("%s: Invalid camera id: %d", __FUNCTION__, cameraId); 2592b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return BAD_VALUE; 2602b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He } 2612b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 2622b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He int facing; 2632b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He if (getDeviceVersion(cameraId, &facing) == CAMERA_DEVICE_API_VERSION_1_0) { 2642b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He // TODO: Remove this check once HAL1 shim is in place. 2652b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He ALOGE("%s: HAL1 doesn't support static metadata yet", __FUNCTION__); 2662b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return BAD_VALUE; 2672b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He } 2682b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 269f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He if (getDeviceVersion(cameraId, &facing) <= CAMERA_DEVICE_API_VERSION_2_1) { 270f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He // Disable HAL2.x support for camera2 API for now. 271f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He ALOGW("%s: HAL2.x doesn't support getCameraCharacteristics for now", __FUNCTION__); 272f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He return BAD_VALUE; 273f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He } 274f05e50eb06d3f70e50fa7f44c1fd32128033b49dZhijun He 2752b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He struct camera_info info; 2762b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He status_t ret = mModule->get_camera_info(cameraId, &info); 2772b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He *cameraInfo = info.static_camera_characteristics; 2782b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 2792b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He return ret; 2802b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He} 2812b59be89dc245b6e2475d9e8b0c5f2392370e71eZhijun He 282d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunkstatus_t CameraService::getCameraVendorTagDescriptor(/*out*/sp<VendorTagDescriptor>& desc) { 283d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk if (!mModule) { 284d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk ALOGE("%s: camera hardware module doesn't exist", __FUNCTION__); 285d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk return -ENODEV; 286d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk } 287d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk 288d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk if (mModule->common.module_api_version < CAMERA_MODULE_API_VERSION_2_2) { 289d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk // TODO: Remove this check once HAL1 shim is in place. 290e1445da74730473a66a3ae8414e940aebfe6585dIgor Murashkin ALOGW("%s: Only HAL module version V2.2 or higher supports vendor tags", __FUNCTION__); 291d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk return -EOPNOTSUPP; 292d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk } 293d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk 294d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk desc = VendorTagDescriptor::getGlobalVendorTagDescriptor(); 295d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk return OK; 296d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk} 297d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk 298634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinint CameraService::getDeviceVersion(int cameraId, int* facing) { 299634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin struct camera_info info; 300634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (mModule->get_camera_info(cameraId, &info) != OK) { 301634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin return -1; 302634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 303634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 304634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin int deviceVersion; 305634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (mModule->common.module_api_version >= CAMERA_MODULE_API_VERSION_2_0) { 306634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin deviceVersion = info.device_version; 307634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } else { 308634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin deviceVersion = CAMERA_DEVICE_API_VERSION_1_0; 309634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 310634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 311634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (facing) { 312634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin *facing = info.facing; 313634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 314634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 315634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin return deviceVersion; 316634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 317634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 318bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkinbool CameraService::isValidCameraId(int cameraId) { 319bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin int facing; 320bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin int deviceVersion = getDeviceVersion(cameraId, &facing); 321bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 322bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin switch(deviceVersion) { 323bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin case CAMERA_DEVICE_API_VERSION_1_0: 324bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin case CAMERA_DEVICE_API_VERSION_2_0: 325bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin case CAMERA_DEVICE_API_VERSION_2_1: 326bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin case CAMERA_DEVICE_API_VERSION_3_0: 32795dd5ba5bf83716f2eed5fe72366c4212464d710Zhijun He case CAMERA_DEVICE_API_VERSION_3_1: 32895dd5ba5bf83716f2eed5fe72366c4212464d710Zhijun He case CAMERA_DEVICE_API_VERSION_3_2: 329bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return true; 330bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin default: 331bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return false; 332bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 333bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 334bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return false; 335bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin} 336bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 337d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunkbool CameraService::setUpVendorTags() { 338d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk vendor_tag_ops_t vOps = vendor_tag_ops_t(); 339d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk 340d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk // Check if vendor operations have been implemented 341d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk if (mModule->get_vendor_tag_ops == NULL) { 342d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk ALOGI("%s: No vendor tags defined for this device.", __FUNCTION__); 343d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk return false; 344d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk } 345d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk 346d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk ATRACE_BEGIN("camera3->get_metadata_vendor_tag_ops"); 347d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk mModule->get_vendor_tag_ops(&vOps); 348d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk ATRACE_END(); 349d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk 350d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk // Ensure all vendor operations are present 351d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk if (vOps.get_tag_count == NULL || vOps.get_all_tags == NULL || 352d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk vOps.get_section_name == NULL || vOps.get_tag_name == NULL || 353d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk vOps.get_tag_type == NULL) { 354d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk ALOGE("%s: Vendor tag operations not fully defined. Ignoring definitions." 355d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk , __FUNCTION__); 356d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk return false; 357d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk } 358d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk 359d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk // Read all vendor tag definitions into a descriptor 360d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk sp<VendorTagDescriptor> desc; 361d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk status_t res; 362d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk if ((res = VendorTagDescriptor::createDescriptorFromOps(&vOps, /*out*/desc)) 363d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk != OK) { 364d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk ALOGE("%s: Could not generate descriptor from vendor tag operations," 365d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk "received error %s (%d). Camera clients will not be able to use" 366d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk "vendor tags", __FUNCTION__, strerror(res), res); 367d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk return false; 368d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk } 369d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk 370d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk // Set the global descriptor to use with camera metadata 371d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk VendorTagDescriptor::setAsGlobalVendorTagDescriptor(desc); 372d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk return true; 373d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk} 374d1176ef16677b6c94fb893edb6a864cdccc0b190Ruben Brunk 3750f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunkstatus_t CameraService::validateConnect(int cameraId, 376e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin /*inout*/ 377e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int& clientUid) const { 378ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 37965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 3805861a9a98c641261c4807c976c750e4611b3a57dTyler Luu 381ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (clientUid == USE_CALLING_UID) { 382ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientUid = getCallingUid(); 383ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } else { 384ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala // We only trust our own process to forward client UIDs 385ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (callingPid != getpid()) { 386ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGE("CameraService::connect X (pid %d) rejected (don't trust clientUid)", 387ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala callingPid); 3880f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return PERMISSION_DENIED; 389ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 390ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 39165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3928951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (!mModule) { 39329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Camera HAL module not loaded"); 3940f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -ENODEV; 3958951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 3968951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 39765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) { 39829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("CameraService::connect X (pid %d) rejected (invalid cameraId %d).", 39965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian callingPid, cameraId); 4000f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -ENODEV; 40165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 40265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 403a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li char value[PROPERTY_VALUE_MAX]; 404a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li property_get("sys.secpolicy.camera.disabled", value, "0"); 405a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li if (strcmp(value, "1") == 0) { 406a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li // Camera is disabled by DevicePolicyManager. 407df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Camera is disabled. connect X (pid %d) rejected", callingPid); 4080f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -EACCES; 409a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li } 410a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li 411cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ICameraServiceListener::Status currentStatus = getStatus(cameraId); 412cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (currentStatus == ICameraServiceListener::STATUS_NOT_PRESENT) { 413cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGI("Camera is not plugged in," 414cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin " connect X (pid %d) rejected", callingPid); 4150f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -ENODEV; 416cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } else if (currentStatus == ICameraServiceListener::STATUS_ENUMERATING) { 417cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGI("Camera is enumerating," 418cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin " connect X (pid %d) rejected", callingPid); 4190f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -EBUSY; 420cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 421cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // Else don't check for STATUS_NOT_AVAILABLE. 422cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // -- It's done implicitly in canConnectUnsafe /w the mBusy array 423cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 4240f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 425e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin} 426e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 427e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkinbool CameraService::canConnectUnsafe(int cameraId, 428e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const String16& clientPackageName, 429e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const sp<IBinder>& remoteCallback, 430e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> &client) { 431e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin String8 clientName8(clientPackageName); 432e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int callingPid = getCallingPid(); 433e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 43408ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (mClient[cameraId] != 0) { 43508ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li client = mClient[cameraId].promote(); 43608ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (client != 0) { 437e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin if (remoteCallback == client->getRemote()) { 43808ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li LOG1("CameraService::connect X (pid %d) (the same client)", 43908ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li callingPid); 440e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return true; 44108ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li } else { 442e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin // TODOSC: need to support 1 regular client, 443e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin // multiple shared clients here 444e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin ALOGW("CameraService::connect X (pid %d) rejected" 445e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin " (existing client).", callingPid); 446e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return false; 4472fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li } 4482fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li } 44908ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li mClient[cameraId].clear(); 45008ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li } 45108ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li 452634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin /* 453634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mBusy is set to false as the last step of the Client destructor, 454634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin after which it is guaranteed that the Client destructor has finished ( 455634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin including any inherited destructors) 456634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 457634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin We only need this for a Client subclasses since we don't allow 458634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin multiple Clents to be opened concurrently, but multiple BasicClient 459634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin would be fine 460634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin */ 46108ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (mBusy[cameraId]) { 462ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGW("CameraService::connect X (pid %d, \"%s\") rejected" 463ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala " (camera %d is still busy).", callingPid, 464ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientName8.string(), cameraId); 465e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return false; 466e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 467e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 468e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin return true; 469e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin} 470e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 4710f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunkstatus_t CameraService::connect( 472e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const sp<ICameraClient>& cameraClient, 473e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int cameraId, 474e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin const String16& clientPackageName, 4750f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk int clientUid, 4760f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk /*out*/ 4770f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk sp<ICamera>& device) { 478e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 479e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin String8 clientName8(clientPackageName); 480e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin int callingPid = getCallingPid(); 481e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 482e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin LOG1("CameraService::connect E (pid %d \"%s\", id %d)", callingPid, 483e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin clientName8.string(), cameraId); 484e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 4850f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = validateConnect(cameraId, /*inout*/clientUid); 4860f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 4870f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 488e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 489e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 490e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 491e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<Client> client; 492acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin { 493acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin Mutex::Autolock lock(mServiceLock); 494e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> clientTmp; 495acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin if (!canConnectUnsafe(cameraId, clientPackageName, 496acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraClient->asBinder(), 497e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin /*out*/clientTmp)) { 4980f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -EBUSY; 499acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } else if (client.get() != NULL) { 5000f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk device = static_cast<Client*>(clientTmp.get()); 5010f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 502acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 50365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 504acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin int facing = -1; 505acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin int deviceVersion = getDeviceVersion(cameraId, &facing); 506634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 507acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // If there are other non-exclusive users of the camera, 508acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // this will tear them down before we can reuse the camera 509acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin if (isValidCameraId(cameraId)) { 510cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // transition from PRESENT -> NOT_AVAILABLE 511acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin updateStatus(ICameraServiceListener::STATUS_NOT_AVAILABLE, 512acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraId); 513acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 514bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 515acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin switch(deviceVersion) { 516acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_1_0: 517acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin client = new CameraClient(this, cameraClient, 518acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin clientPackageName, cameraId, 519acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin facing, callingPid, clientUid, getpid()); 520acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin break; 521acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_0: 522acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_1: 523acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_3_0: 52495dd5ba5bf83716f2eed5fe72366c4212464d710Zhijun He case CAMERA_DEVICE_API_VERSION_3_1: 52595dd5ba5bf83716f2eed5fe72366c4212464d710Zhijun He case CAMERA_DEVICE_API_VERSION_3_2: 526acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin client = new Camera2Client(this, cameraClient, 527acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin clientPackageName, cameraId, 528acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin facing, callingPid, clientUid, getpid(), 529acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin deviceVersion); 530acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin break; 531acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case -1: 532acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Invalid camera id %d", cameraId); 5330f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return BAD_VALUE; 534acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin default: 535acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Unknown camera device HAL version: %d", deviceVersion); 5360f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return INVALID_OPERATION; 537acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 5388951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 5390f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = connectFinishUnsafe(client, client->getRemote()); 5400f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 541acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // this is probably not recoverable.. maybe the client can try again 542cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // OK: we can only get here if we were originally in PRESENT state 543cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin updateStatus(ICameraServiceListener::STATUS_PRESENT, cameraId); 5440f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 545acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 546634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 547acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin mClient[cameraId] = client; 548acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin LOG1("CameraService::connect X (id %d, this pid is %d)", cameraId, 549acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin getpid()); 550acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 551acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // important: release the mutex here so the client can call back 552acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // into the service from its destructor (can be at the end of the call) 553bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 5540f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk device = client; 5550f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 556634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 557634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 5580f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunkstatus_t CameraService::connectFinishUnsafe(const sp<BasicClient>& client, 5590f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk const sp<IBinder>& remoteCallback) { 5600f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = client->initialize(mModule); 5610f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 5620f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 563e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 564e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 565e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin remoteCallback->linkToDeath(this); 566e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 5670f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 568e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin} 569e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 5700f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunkstatus_t CameraService::connectPro( 571634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin const sp<IProCameraCallbacks>& cameraCb, 572c073ba525404f3416c2824c435d3d926a9892f1bIgor Murashkin int cameraId, 573c073ba525404f3416c2824c435d3d926a9892f1bIgor Murashkin const String16& clientPackageName, 5740f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk int clientUid, 5750f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk /*out*/ 5760f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk sp<IProCameraUser>& device) 577634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 578bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin String8 clientName8(clientPackageName); 579634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin int callingPid = getCallingPid(); 580634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 581e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin LOG1("CameraService::connectPro E (pid %d \"%s\", id %d)", callingPid, 582e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin clientName8.string(), cameraId); 5830f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = validateConnect(cameraId, /*inout*/clientUid); 5840f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 5850f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 58661ab9f93315ea817cd1ac110e2a95da4dab6b4d1Eino-Ville Talvala } 58761ab9f93315ea817cd1ac110e2a95da4dab6b4d1Eino-Ville Talvala 588acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin sp<ProClient> client; 589e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin { 590acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin Mutex::Autolock lock(mServiceLock); 591acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin { 592e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client; 593acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin if (!canConnectUnsafe(cameraId, clientPackageName, 594acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraCb->asBinder(), 595acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin /*out*/client)) { 5960f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -EBUSY; 597acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 598e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 599634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 600acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin int facing = -1; 601acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin int deviceVersion = getDeviceVersion(cameraId, &facing); 602634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 603acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin switch(deviceVersion) { 604acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_1_0: 605acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Camera id %d uses HALv1, doesn't support ProCamera", 606acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraId); 60717963d16d66526288ed66c91a6744daf3acfd731Ruben Brunk return -EOPNOTSUPP; 608acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin break; 609acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_0: 610acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_1: 61147110057829ba7d5c7b41fd2aa381b5f5ed811caZhijun He case CAMERA_DEVICE_API_VERSION_3_0: 61295dd5ba5bf83716f2eed5fe72366c4212464d710Zhijun He case CAMERA_DEVICE_API_VERSION_3_1: 61395dd5ba5bf83716f2eed5fe72366c4212464d710Zhijun He case CAMERA_DEVICE_API_VERSION_3_2: 614acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin client = new ProCamera2Client(this, cameraCb, String16(), 615acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin cameraId, facing, callingPid, USE_CALLING_UID, getpid()); 616acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin break; 617acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin case -1: 618acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Invalid camera id %d", cameraId); 6190f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return BAD_VALUE; 620acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin default: 621acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin ALOGE("Unknown camera device HAL version: %d", deviceVersion); 6220f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return INVALID_OPERATION; 623acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 6245861a9a98c641261c4807c976c750e4611b3a57dTyler Luu 6250f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = connectFinishUnsafe(client, client->getRemote()); 6260f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 6270f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 628acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 629f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala 630acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin mProClientList[cameraId].push(client); 631634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 632acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin LOG1("CameraService::connectPro X (id %d, this pid is %d)", cameraId, 633acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin getpid()); 634acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin } 635acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // important: release the mutex here so the client can call back 636acd695c42749f8821b0a0cc27739ddf096c6d4e8Igor Murashkin // into the service from its destructor (can be at the end of the call) 6370f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk device = client; 6380f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 639bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin} 640634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 6410f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunkstatus_t CameraService::connectDevice( 642e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin const sp<ICameraDeviceCallbacks>& cameraCb, 643e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin int cameraId, 644e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin const String16& clientPackageName, 6450f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk int clientUid, 6460f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk /*out*/ 6470f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk sp<ICameraDeviceUser>& device) 648e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin{ 649e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 650e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin String8 clientName8(clientPackageName); 651e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin int callingPid = getCallingPid(); 652e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 653e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin LOG1("CameraService::connectDevice E (pid %d \"%s\", id %d)", callingPid, 654e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin clientName8.string(), cameraId); 655e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 6560f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = validateConnect(cameraId, /*inout*/clientUid); 6570f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 6580f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 659e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 660e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 661e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<CameraDeviceClient> client; 662e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin { 663e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin Mutex::Autolock lock(mServiceLock); 664e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin { 665e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client; 666e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin if (!canConnectUnsafe(cameraId, clientPackageName, 667e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin cameraCb->asBinder(), 668e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin /*out*/client)) { 6690f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return -EBUSY; 670e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 671e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 672e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 673e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin int facing = -1; 674e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin int deviceVersion = getDeviceVersion(cameraId, &facing); 675e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 676e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // If there are other non-exclusive users of the camera, 677e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // this will tear them down before we can reuse the camera 678e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin if (isValidCameraId(cameraId)) { 679e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // transition from PRESENT -> NOT_AVAILABLE 680e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin updateStatus(ICameraServiceListener::STATUS_NOT_AVAILABLE, 681e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin cameraId); 682e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 683e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 684e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin switch(deviceVersion) { 685e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin case CAMERA_DEVICE_API_VERSION_1_0: 6860f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk ALOGW("Camera using old HAL version: %d", deviceVersion); 68717963d16d66526288ed66c91a6744daf3acfd731Ruben Brunk return -EOPNOTSUPP; 688e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // TODO: don't allow 2.0 Only allow 2.1 and higher 689e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_0: 690e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin case CAMERA_DEVICE_API_VERSION_2_1: 691e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin case CAMERA_DEVICE_API_VERSION_3_0: 69295dd5ba5bf83716f2eed5fe72366c4212464d710Zhijun He case CAMERA_DEVICE_API_VERSION_3_1: 69395dd5ba5bf83716f2eed5fe72366c4212464d710Zhijun He case CAMERA_DEVICE_API_VERSION_3_2: 694e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin client = new CameraDeviceClient(this, cameraCb, String16(), 695e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin cameraId, facing, callingPid, USE_CALLING_UID, getpid()); 696e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin break; 697e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin case -1: 698e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin ALOGE("Invalid camera id %d", cameraId); 6990f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return BAD_VALUE; 700e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin default: 701e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin ALOGE("Unknown camera device HAL version: %d", deviceVersion); 7020f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return INVALID_OPERATION; 703e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 704e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 7050f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk status_t status = connectFinishUnsafe(client, client->getRemote()); 7060f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk if (status != OK) { 707e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // this is probably not recoverable.. maybe the client can try again 708e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // OK: we can only get here if we were originally in PRESENT state 709e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin updateStatus(ICameraServiceListener::STATUS_PRESENT, cameraId); 7100f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return status; 711e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 712e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 713e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin LOG1("CameraService::connectDevice X (id %d, this pid is %d)", cameraId, 714e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin getpid()); 715e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 716e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin mClient[cameraId] = client; 717e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin } 718e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // important: release the mutex here so the client can call back 719e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // into the service from its destructor (can be at the end of the call) 720e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 7210f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk device = client; 7220f61d8f14aa368c9cd7076528e8096e10ed100a0Ruben Brunk return OK; 723e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin} 724e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 725e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin 726bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkinstatus_t CameraService::addListener( 727bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin const sp<ICameraServiceListener>& listener) { 728bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGV("%s: Add listener %p", __FUNCTION__, listener.get()); 729634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 730bd3e2e03f3ab686c52982a9e50cae853128172cfIgor Murashkin if (listener == 0) { 731bd3e2e03f3ab686c52982a9e50cae853128172cfIgor Murashkin ALOGE("%s: Listener must not be null", __FUNCTION__); 732bd3e2e03f3ab686c52982a9e50cae853128172cfIgor Murashkin return BAD_VALUE; 733bd3e2e03f3ab686c52982a9e50cae853128172cfIgor Murashkin } 734bd3e2e03f3ab686c52982a9e50cae853128172cfIgor Murashkin 735bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Mutex::Autolock lock(mServiceLock); 736bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 737bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<sp<ICameraServiceListener> >::iterator it, end; 738bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (it = mListenerList.begin(); it != mListenerList.end(); ++it) { 739bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if ((*it)->asBinder() == listener->asBinder()) { 740bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGW("%s: Tried to add listener %p which was already subscribed", 741bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin __FUNCTION__, listener.get()); 742bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return ALREADY_EXISTS; 743bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 744bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 745bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 746bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin mListenerList.push_back(listener); 747bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 748cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin /* Immediately signal current status to this listener only */ 749cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin { 750cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin Mutex::Autolock m(mStatusMutex) ; 751cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin int numCams = getNumberOfCameras(); 752cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin for (int i = 0; i < numCams; ++i) { 753cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin listener->onStatusChanged(mStatusList[i], i); 754cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 755cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 756cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 757bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return OK; 758bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin} 759bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkinstatus_t CameraService::removeListener( 760bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin const sp<ICameraServiceListener>& listener) { 761bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGV("%s: Remove listener %p", __FUNCTION__, listener.get()); 762bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 763bd3e2e03f3ab686c52982a9e50cae853128172cfIgor Murashkin if (listener == 0) { 764bd3e2e03f3ab686c52982a9e50cae853128172cfIgor Murashkin ALOGE("%s: Listener must not be null", __FUNCTION__); 765bd3e2e03f3ab686c52982a9e50cae853128172cfIgor Murashkin return BAD_VALUE; 766bd3e2e03f3ab686c52982a9e50cae853128172cfIgor Murashkin } 767bd3e2e03f3ab686c52982a9e50cae853128172cfIgor Murashkin 768bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Mutex::Autolock lock(mServiceLock); 769bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 770bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<sp<ICameraServiceListener> >::iterator it; 771bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (it = mListenerList.begin(); it != mListenerList.end(); ++it) { 772bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if ((*it)->asBinder() == listener->asBinder()) { 773bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin mListenerList.erase(it); 774bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return OK; 775bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 776bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 777bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 778bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGW("%s: Tried to remove a listener %p which was not subscribed", 779bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin __FUNCTION__, listener.get()); 780bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 781bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin return BAD_VALUE; 78265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 78365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 784634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinvoid CameraService::removeClientByRemote(const wp<IBinder>& remoteBinder) { 78565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 786634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin LOG1("CameraService::removeClientByRemote E (pid %d)", callingPid); 78765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 788ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Declare this before the lock to make absolutely sure the 789ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // destructor won't be called with the lock held. 790ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin Mutex::Autolock lock(mServiceLock); 791ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 792ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin int outIndex; 793e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client = findClientUnsafe(remoteBinder, outIndex); 794ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 795ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin if (client != 0) { 796ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Found our camera, clear and leave. 797ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin LOG1("removeClient: clear camera %d", outIndex); 798ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin mClient[outIndex].clear(); 79965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 800e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin client->getRemote()->unlinkToDeath(this); 801634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } else { 802634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 803634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<ProClient> clientPro = findProClientUnsafe(remoteBinder); 804634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 805634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (clientPro != NULL) { 806634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin // Found our camera, clear and leave. 807634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin LOG1("removeClient: clear pro %p", clientPro.get()); 808634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 809634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin clientPro->getRemoteCallback()->asBinder()->unlinkToDeath(this); 810634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 811634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 812634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 813634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin LOG1("CameraService::removeClientByRemote X (pid %d)", callingPid); 814634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 815634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 816634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinsp<CameraService::ProClient> CameraService::findProClientUnsafe( 817634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin const wp<IBinder>& cameraCallbacksRemote) 818634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 819634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<ProClient> clientPro; 820634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 821634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin for (int i = 0; i < mNumberOfCameras; ++i) { 822634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin Vector<size_t> removeIdx; 823634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 824634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin for (size_t j = 0; j < mProClientList[i].size(); ++j) { 825634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin wp<ProClient> cl = mProClientList[i][j]; 826634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 827634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<ProClient> clStrong = cl.promote(); 828634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin if (clStrong != NULL && clStrong->getRemote() == cameraCallbacksRemote) { 829634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin clientPro = clStrong; 830634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin break; 831634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } else if (clStrong == NULL) { 832634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin // mark to clean up dead ptr 833634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin removeIdx.push(j); 834634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 835634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 836634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 837634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin // remove stale ptrs (in reverse so the indices dont change) 838634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin for (ssize_t j = (ssize_t)removeIdx.size() - 1; j >= 0; --j) { 839634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mProClientList[i].removeAt(removeIdx[j]); 840634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin } 841634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 842ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin } 843ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 844634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin return clientPro; 845ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin} 846ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 847e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkinsp<CameraService::BasicClient> CameraService::findClientUnsafe( 848294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin const wp<IBinder>& cameraClient, int& outIndex) { 849e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client; 850ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 851ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin for (int i = 0; i < mNumberOfCameras; i++) { 85265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 85365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // This happens when we have already disconnected (or this is 85465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // just another unused camera). 85565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClient[i] == 0) continue; 85665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 85765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Promote mClient. It can fail if we are called from this path: 858634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin // Client::~Client() -> disconnect() -> removeClientByRemote(). 85965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client = mClient[i].promote(); 86065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 861ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Clean up stale client entry 862ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin if (client == NULL) { 86365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[i].clear(); 86465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian continue; 86565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 86665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 867e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin if (cameraClient == client->getRemote()) { 868ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Found our camera 869ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin outIndex = i; 870ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin return client; 87165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 874ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin outIndex = -1; 875ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin return NULL; 87665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 87765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 878e7ee7637747371635a85fedd24d2190bb1f38651Igor MurashkinCameraService::BasicClient* CameraService::getClientByIdUnsafe(int cameraId) { 87965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) return NULL; 880d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park return mClient[cameraId].unsafe_get(); 881d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park} 882d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 883d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkMutex* CameraService::getClientLockById(int cameraId) { 884d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (cameraId < 0 || cameraId >= mNumberOfCameras) return NULL; 885d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park return &mClientLock[cameraId]; 88665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 88765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 888634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinsp<CameraService::BasicClient> CameraService::getClientByRemote( 889294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin const wp<IBinder>& cameraClient) { 890ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 891ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // Declare this before the lock to make absolutely sure the 892ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin // destructor won't be called with the lock held. 893634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<BasicClient> client; 894ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 895ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin Mutex::Autolock lock(mServiceLock); 896ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 897ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin int outIndex; 898ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin client = findClientUnsafe(cameraClient, outIndex); 899ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 900ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin return client; 901ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin} 902ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 90365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::onTransact( 90465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) { 90565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Permission checks 90665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (code) { 90765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case BnCameraService::CONNECT: 908634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin case BnCameraService::CONNECT_PRO: 90965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int pid = getCallingPid(); 91065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int self_pid = getpid(); 91165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (pid != self_pid) { 91265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // we're called from a different process, do the real check 91365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!checkCallingPermission( 91465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String16("android.permission.CAMERA"))) { 91565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int uid = getCallingUid(); 91629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Permission Denial: " 91765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't use the camera pid=%d, uid=%d", pid, uid); 91865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return PERMISSION_DENIED; 91965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 92065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 92165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 92265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 92365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 92465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BnCameraService::onTransact(code, data, reply, flags); 92565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 92665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 92765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// The reason we need this busy bit is a new CameraService::connect() request 92865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// may come in while the previous Client's destructor has not been run or is 92965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// still running. If the last strong reference of the previous Client is gone 93065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// but the destructor has not been finished, we should not allow the new Client 93165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// to be created because we need to wait for the previous Client to tear down 93265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// the hardware first. 93365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::setCameraBusy(int cameraId) { 93465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(1, &mBusy[cameraId]); 935ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 936ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("setCameraBusy cameraId=%d", cameraId); 93765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 93865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 93965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::setCameraFree(int cameraId) { 94065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(0, &mBusy[cameraId]); 941ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 942ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("setCameraFree cameraId=%d", cameraId); 94365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 94465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 94565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// We share the media players for shutter and recording sound for all clients. 94665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// A reference count is kept to determine when we will actually release the 94765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// media players. 94865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 949ff4f55c8d77e276dbcceedb4e560ca1d91ba38baChih-Chung ChangMediaPlayer* CameraService::newMediaPlayer(const char *file) { 95065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian MediaPlayer* mp = new MediaPlayer(); 9511b86fe063badb5f28c467ade39be0f4008688947Andreas Huber if (mp->setDataSource(NULL /* httpService */, file, NULL) == NO_ERROR) { 95260a78ac9535878984b0777788760b9ee7465c5e6Eino-Ville Talvala mp->setAudioStreamType(AUDIO_STREAM_ENFORCED_AUDIBLE); 95365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mp->prepare(); 95465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 95529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Failed to load CameraService sounds: %s", file); 95665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 95765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 95865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mp; 95965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 96065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 96165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::loadSound() { 96265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 96365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::loadSound ref=%d", mSoundRef); 96465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSoundRef++) return; 96565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 96665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[SOUND_SHUTTER] = newMediaPlayer("/system/media/audio/ui/camera_click.ogg"); 96765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[SOUND_RECORDING] = newMediaPlayer("/system/media/audio/ui/VideoRecord.ogg"); 96865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 96965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 97065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::releaseSound() { 97165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 97265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::releaseSound ref=%d", mSoundRef); 97365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (--mSoundRef) return; 97465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 97565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < NUM_SOUNDS; i++) { 97665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSoundPlayer[i] != 0) { 97765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[i]->disconnect(); 97865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[i].clear(); 97965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 98065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 98165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 98265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 98365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::playSound(sound_kind kind) { 98465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("playSound(%d)", kind); 98565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 98665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<MediaPlayer> player = mSoundPlayer[kind]; 98765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (player != 0) { 9888888a75f01d904541e409e858d23e4150ace34b6Chih-Chung Chang player->seekTo(0); 9898888a75f01d904541e409e858d23e4150ace34b6Chih-Chung Chang player->start(); 99065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 99165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 99265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 99365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 99465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 99565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::Client::Client(const sp<CameraService>& cameraService, 996b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li const sp<ICameraClient>& cameraClient, 997ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const String16& clientPackageName, 998ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int cameraId, int cameraFacing, 999ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int clientPid, uid_t clientUid, 1000ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int servicePid) : 1001634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin CameraService::BasicClient(cameraService, cameraClient->asBinder(), 1002ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientPackageName, 1003ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala cameraId, cameraFacing, 1004ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientPid, clientUid, 1005ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala servicePid) 1006634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 100765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 10082fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li LOG1("Client::Client E (pid %d, id %d)", callingPid, cameraId); 100965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 101044cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin mRemoteCallback = cameraClient; 10115e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 101265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian cameraService->setCameraBusy(cameraId); 101365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian cameraService->loadSound(); 1014ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 10152fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li LOG1("Client::Client X (pid %d, id %d)", callingPid, cameraId); 101665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 101765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 101865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// tear down the client 101965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::Client::~Client() { 1020d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGV("~Client"); 1021634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mDestructionStarted = true; 1022634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1023f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala mCameraService->releaseSound(); 1024036bc3e2cfc5a11c3f7ace41088c8936dae2e946Igor Murashkin // unconditionally disconnect. function is idempotent 1025036bc3e2cfc5a11c3f7ace41088c8936dae2e946Igor Murashkin Client::disconnect(); 102665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 102765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1028634a51509ee50475f3e9f8ccf897e90fc72ded31Igor MurashkinCameraService::BasicClient::BasicClient(const sp<CameraService>& cameraService, 1029ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const sp<IBinder>& remoteCallback, 1030ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const String16& clientPackageName, 1031ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int cameraId, int cameraFacing, 1032ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int clientPid, uid_t clientUid, 1033ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int servicePid): 1034ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientPackageName(clientPackageName) 1035634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 1036634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mCameraService = cameraService; 103744cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin mRemoteBinder = remoteCallback; 1038634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mCameraId = cameraId; 1039634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mCameraFacing = cameraFacing; 1040634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mClientPid = clientPid; 1041ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientUid = clientUid; 1042634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mServicePid = servicePid; 1043ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsActive = false; 1044634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mDestructionStarted = false; 1045634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 1046634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1047634a51509ee50475f3e9f8ccf897e90fc72ded31Igor MurashkinCameraService::BasicClient::~BasicClient() { 1048d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGV("~BasicClient"); 1049634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mDestructionStarted = true; 1050634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 1051634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1052634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkinvoid CameraService::BasicClient::disconnect() { 1053d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGV("BasicClient::disconnect"); 105444cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin mCameraService->removeClientByRemote(mRemoteBinder); 1055cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin // client shouldn't be able to call into us anymore 1056cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mClientPid = 0; 1057634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 1058634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1059ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalastatus_t CameraService::BasicClient::startCameraOps() { 1060ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int32_t res; 1061ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1062ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsCallback = new OpsCallback(this); 1063ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1064e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin { 1065e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin ALOGV("%s: Start camera ops, package name = %s, client UID = %d", 1066e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin __FUNCTION__, String8(mClientPackageName).string(), mClientUid); 1067e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin } 1068e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin 1069ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mAppOpsManager.startWatchingMode(AppOpsManager::OP_CAMERA, 1070ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientPackageName, mOpsCallback); 1071ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res = mAppOpsManager.startOp(AppOpsManager::OP_CAMERA, 1072ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientUid, mClientPackageName); 1073ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1074ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (res != AppOpsManager::MODE_ALLOWED) { 1075ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGI("Camera %d: Access for \"%s\" has been revoked", 1076ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mCameraId, String8(mClientPackageName).string()); 1077ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala return PERMISSION_DENIED; 1078ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 1079ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsActive = true; 1080ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala return OK; 1081ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1082ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1083ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalastatus_t CameraService::BasicClient::finishCameraOps() { 1084ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (mOpsActive) { 1085ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mAppOpsManager.finishOp(AppOpsManager::OP_CAMERA, mClientUid, 1086ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientPackageName); 1087ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsActive = false; 1088ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 1089ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mAppOpsManager.stopWatchingMode(mOpsCallback); 1090ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mOpsCallback.clear(); 1091ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1092ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala return OK; 1093ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1094ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1095ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalavoid CameraService::BasicClient::opChanged(int32_t op, const String16& packageName) { 1096ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala String8 name(packageName); 1097ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala String8 myName(mClientPackageName); 1098ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1099ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (op != AppOpsManager::OP_CAMERA) { 1100ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGW("Unexpected app ops notification received: %d", op); 1101ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala return; 1102ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 1103ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1104ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int32_t res; 1105ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res = mAppOpsManager.checkOp(AppOpsManager::OP_CAMERA, 1106ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientUid, mClientPackageName); 1107ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGV("checkOp returns: %d, %s ", res, 1108ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res == AppOpsManager::MODE_ALLOWED ? "ALLOWED" : 1109ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res == AppOpsManager::MODE_IGNORED ? "IGNORED" : 1110ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala res == AppOpsManager::MODE_ERRORED ? "ERRORED" : 1111ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala "UNKNOWN"); 1112ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1113ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (res != AppOpsManager::MODE_ALLOWED) { 1114ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala ALOGI("Camera %d: Access for \"%s\" revoked", mCameraId, 1115ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala myName.string()); 1116ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala // Reset the client PID to allow server-initiated disconnect, 1117ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala // and to prevent further calls by client. 1118ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClientPid = getCallingPid(); 1119cb0652e5a850b2fcd919e977247e87239efaf70eJianing Wei CaptureResultExtras resultExtras; // a dummy result (invalid) 1120cb0652e5a850b2fcd919e977247e87239efaf70eJianing Wei notifyError(ICameraDeviceCallbacks::ERROR_CAMERA_SERVICE, resultExtras); 1121ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala disconnect(); 1122ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 1123ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1124ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 112565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 112665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1127d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkMutex* CameraService::Client::getClientLockFromCookie(void* user) { 1128377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT return gCameraService->getClientLockById((int)(intptr_t) user); 1129d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park} 1130d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 1131d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park// Provide client pointer for callbacks. Client lock returned from getClientLockFromCookie should 1132d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park// be acquired for this to be safe 1133d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkCameraService::Client* CameraService::Client::getClientFromCookie(void* user) { 1134377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT BasicClient *basicClient = gCameraService->getClientByIdUnsafe((int)(intptr_t) user); 1135e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin // OK: only CameraClient calls this, and they already cast anyway. 1136e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin Client* client = static_cast<Client*>(basicClient); 113765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 113865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // This could happen if the Client is in the process of shutting down (the 113965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // last strong reference is gone, but the destructor hasn't finished 114065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // stopping the hardware). 1141d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (client == NULL) return NULL; 1142d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 1143d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park // destruction already started, so should not be accessed 1144d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (client->mDestructionStarted) return NULL; 114565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 114665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return client; 114765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 114865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1149cb0652e5a850b2fcd919e977247e87239efaf70eJianing Weivoid CameraService::Client::notifyError(ICameraDeviceCallbacks::CameraErrorCode errorCode, 1150cb0652e5a850b2fcd919e977247e87239efaf70eJianing Wei const CaptureResultExtras& resultExtras) { 115144cfcf00b9008c1c04f4c8277c6c06af039fd976Igor Murashkin mRemoteCallback->notifyCallback(CAMERA_MSG_ERROR, CAMERA_ERROR_RELEASED, 0); 1152ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1153ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1154036bc3e2cfc5a11c3f7ace41088c8936dae2e946Igor Murashkin// NOTE: function is idempotent 11555e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraService::Client::disconnect() { 1156d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGV("Client::disconnect"); 1157634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin BasicClient::disconnect(); 11585e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mCameraService->setCameraFree(mCameraId); 115993747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin 116093747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin StatusVector rejectSourceStates; 116193747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin rejectSourceStates.push_back(ICameraServiceListener::STATUS_NOT_PRESENT); 116293747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin rejectSourceStates.push_back(ICameraServiceListener::STATUS_ENUMERATING); 116393747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin 116493747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin // Transition to PRESENT if the camera is not in either of above 2 states 1165cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mCameraService->updateStatus(ICameraServiceListener::STATUS_PRESENT, 116693747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin mCameraId, 116793747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin &rejectSourceStates); 1168e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li} 1169e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li 1170ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville TalvalaCameraService::Client::OpsCallback::OpsCallback(wp<BasicClient> client): 1171ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala mClient(client) { 1172ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1173ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1174ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvalavoid CameraService::Client::OpsCallback::opChanged(int32_t op, 1175ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const String16& packageName) { 1176ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala sp<BasicClient> client = mClient.promote(); 1177ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala if (client != NULL) { 1178ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala client->opChanged(op, packageName); 1179ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala } 1180ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1181ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 118265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 1183634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin// IProCamera 1184634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin// ---------------------------------------------------------------------------- 1185634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1186634a51509ee50475f3e9f8ccf897e90fc72ded31Igor MurashkinCameraService::ProClient::ProClient(const sp<CameraService>& cameraService, 1187ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const sp<IProCameraCallbacks>& remoteCallback, 1188ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala const String16& clientPackageName, 1189ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int cameraId, 1190ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int cameraFacing, 1191ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int clientPid, 1192ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala uid_t clientUid, 1193ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala int servicePid) 1194ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala : CameraService::BasicClient(cameraService, remoteCallback->asBinder(), 1195ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientPackageName, cameraId, cameraFacing, 1196ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala clientPid, clientUid, servicePid) 1197634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin{ 1198634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin mRemoteCallback = remoteCallback; 1199634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 1200634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1201634a51509ee50475f3e9f8ccf897e90fc72ded31Igor MurashkinCameraService::ProClient::~ProClient() { 1202634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin} 1203634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin 1204cb0652e5a850b2fcd919e977247e87239efaf70eJianing Weivoid CameraService::ProClient::notifyError(ICameraDeviceCallbacks::CameraErrorCode errorCode, 1205cb0652e5a850b2fcd919e977247e87239efaf70eJianing Wei const CaptureResultExtras& resultExtras) { 1206e6800cea0678dbc0bf697b44c3e4548b0253085cIgor Murashkin mRemoteCallback->notifyCallback(CAMERA_MSG_ERROR, CAMERA_ERROR_RELEASED, 0); 1207ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala} 1208ceb388d6c03c38b96dc41c0ea4804b749aa077c4Eino-Ville Talvala 1209634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin// ---------------------------------------------------------------------------- 121065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 121165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const int kDumpLockRetries = 50; 121265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const int kDumpLockSleep = 60000; 121365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 121465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic bool tryLock(Mutex& mutex) 121565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 121665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = false; 121765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < kDumpLockRetries; ++i) { 121865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mutex.tryLock() == NO_ERROR) { 121965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian locked = true; 122065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 122165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 122265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian usleep(kDumpLockSleep); 122365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 122465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return locked; 122565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 122665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 122765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::dump(int fd, const Vector<String16>& args) { 122865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 result; 122965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 1230611f61998863d3a3ffae4e5f2b723b7319c59ddfEino-Ville Talvala result.appendFormat("Permission Denial: " 123165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't dump CameraService from pid=%d, uid=%d\n", 123265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian getCallingPid(), 123365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian getCallingUid()); 123465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 123565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 123665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = tryLock(mServiceLock); 123765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // failed to lock - CameraService is probably deadlocked 123865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!locked) { 1239611f61998863d3a3ffae4e5f2b723b7319c59ddfEino-Ville Talvala result.append("CameraService may be deadlocked\n"); 1240f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 124165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 124265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 124365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool hasClient = false; 1244f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (!mModule) { 1245f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("No camera module available!\n"); 1246f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 12476ec3a15257ca2b56b675a610aef43cc4ec6aaf00Kalle Lampila if (locked) mServiceLock.unlock(); 1248f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala return NO_ERROR; 1249f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 1250f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala 1251f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("Camera module HAL API version: 0x%x\n", 1252f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala mModule->common.hal_api_version); 1253f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat("Camera module API version: 0x%x\n", 1254f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala mModule->common.module_api_version); 1255f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat("Camera module name: %s\n", 1256f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala mModule->common.name); 1257f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat("Camera module author: %s\n", 1258f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala mModule->common.author); 1259f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat("Number of camera devices: %d\n\n", mNumberOfCameras); 1260f81648ec38ff63f1f35516fa27c1c24d846e9ba5Ruben Brunk 1261f81648ec38ff63f1f35516fa27c1c24d846e9ba5Ruben Brunk sp<VendorTagDescriptor> desc = VendorTagDescriptor::getGlobalVendorTagDescriptor(); 1262f81648ec38ff63f1f35516fa27c1c24d846e9ba5Ruben Brunk if (desc == NULL) { 1263f81648ec38ff63f1f35516fa27c1c24d846e9ba5Ruben Brunk result.appendFormat("Vendor tags left unimplemented.\n"); 1264f81648ec38ff63f1f35516fa27c1c24d846e9ba5Ruben Brunk } else { 1265f81648ec38ff63f1f35516fa27c1c24d846e9ba5Ruben Brunk result.appendFormat("Vendor tag definitions:\n"); 1266f81648ec38ff63f1f35516fa27c1c24d846e9ba5Ruben Brunk } 1267f81648ec38ff63f1f35516fa27c1c24d846e9ba5Ruben Brunk 1268f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1269f81648ec38ff63f1f35516fa27c1c24d846e9ba5Ruben Brunk 1270f81648ec38ff63f1f35516fa27c1c24d846e9ba5Ruben Brunk if (desc != NULL) { 1271f81648ec38ff63f1f35516fa27c1c24d846e9ba5Ruben Brunk desc->dump(fd, /*verbosity*/2, /*indentation*/4); 1272f81648ec38ff63f1f35516fa27c1c24d846e9ba5Ruben Brunk } 1273f81648ec38ff63f1f35516fa27c1c24d846e9ba5Ruben Brunk 127465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 1275f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("Camera %d static information:\n", i); 1276f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala camera_info info; 1277f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala 1278f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala status_t rc = mModule->get_camera_info(i, &info); 1279f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (rc != OK) { 1280f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Error reading static information!\n"); 1281f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1282f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } else { 1283f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Facing: %s\n", 1284f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala info.facing == CAMERA_FACING_BACK ? "BACK" : "FRONT"); 1285f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Orientation: %d\n", info.orientation); 1286f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala int deviceVersion; 1287f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (mModule->common.module_api_version < 1288f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala CAMERA_MODULE_API_VERSION_2_0) { 1289f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala deviceVersion = CAMERA_DEVICE_API_VERSION_1_0; 1290f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } else { 1291f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala deviceVersion = info.device_version; 1292f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 1293f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Device version: 0x%x\n", deviceVersion); 1294f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (deviceVersion >= CAMERA_DEVICE_API_VERSION_2_0) { 1295f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result.appendFormat(" Device static metadata:\n"); 1296f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1297428b77a2b94b74665a47375b3fdb893b98d71269Eino-Ville Talvala dump_indented_camera_metadata(info.static_camera_characteristics, 1298f81648ec38ff63f1f35516fa27c1c24d846e9ba5Ruben Brunk fd, /*verbosity*/2, /*indentation*/4); 1299f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } else { 1300f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1301f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 1302f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 1303f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala 1304e7ee7637747371635a85fedd24d2190bb1f38651Igor Murashkin sp<BasicClient> client = mClient[i].promote(); 1305f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala if (client == 0) { 1306f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format(" Device is closed, no client instance\n"); 1307f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 1308f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala continue; 1309f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala } 131065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian hasClient = true; 1311f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format(" Device is open. Client instance dump:\n"); 1312f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 13135e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client->dump(fd, args); 131465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 131565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!hasClient) { 1316f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("\nNo active camera clients yet.\n"); 1317f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 131865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 131965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 132065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (locked) mServiceLock.unlock(); 132165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1322ff3e31d2b100d8efd969b358b18e4405c49dd10dIgor Murashkin // Dump camera traces if there were any 1323ff3e31d2b100d8efd969b358b18e4405c49dd10dIgor Murashkin write(fd, "\n", 1); 1324ff3e31d2b100d8efd969b358b18e4405c49dd10dIgor Murashkin camera3::CameraTraces::dump(fd, args); 1325ff3e31d2b100d8efd969b358b18e4405c49dd10dIgor Murashkin 132665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // change logging level 132765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int n = args.size(); 132865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i + 1 < n; i++) { 1329611f61998863d3a3ffae4e5f2b723b7319c59ddfEino-Ville Talvala String16 verboseOption("-v"); 1330611f61998863d3a3ffae4e5f2b723b7319c59ddfEino-Ville Talvala if (args[i] == verboseOption) { 133165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 levelStr(args[i+1]); 133265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int level = atoi(levelStr.string()); 1333f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala result = String8::format("\nSetting log level to %d.\n", level); 133465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian setLogLevel(level); 1335f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala write(fd, result.string(), result.size()); 133665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 133765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 1338f5926136ad328e95a79336b051d6f853443eaab9Eino-Ville Talvala 133965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 134065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 134165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 134265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1343ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin/*virtual*/void CameraService::binderDied( 1344ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin const wp<IBinder> &who) { 1345ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1346294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin /** 1347294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin * While tempting to promote the wp<IBinder> into a sp, 1348294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin * it's actually not supported by the binder driver 1349294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin */ 1350294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin 1351ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("java clients' binder died"); 1352ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1353634a51509ee50475f3e9f8ccf897e90fc72ded31Igor Murashkin sp<BasicClient> cameraClient = getClientByRemote(who); 1354ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1355294d0eca9eabfaa3ef0ee8bee7ccf3eaaa925e41Igor Murashkin if (cameraClient == 0) { 1356ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("java clients' binder death already cleaned up (normal case)"); 1357ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin return; 1358ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin } 1359ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1360ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGW("Disconnecting camera client %p since the binder for it " 1361ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin "died (this pid %d)", cameraClient.get(), getCallingPid()); 1362ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1363ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin cameraClient->disconnect(); 1364ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1365ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin} 1366ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin 1367bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkinvoid CameraService::updateStatus(ICameraServiceListener::Status status, 136893747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin int32_t cameraId, 136993747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin const StatusVector *rejectSourceStates) { 1370bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin // do not lock mServiceLock here or can get into a deadlock from 1371bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin // connect() -> ProClient::disconnect -> updateStatus 1372bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Mutex::Autolock lock(mStatusMutex); 1373bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1374bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ICameraServiceListener::Status oldStatus = mStatusList[cameraId]; 1375bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1376bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin mStatusList[cameraId] = status; 1377bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1378bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if (oldStatus != status) { 1379bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin ALOGV("%s: Status has changed for camera ID %d from 0x%x to 0x%x", 1380bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin __FUNCTION__, cameraId, (uint32_t)oldStatus, (uint32_t)status); 1381bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1382cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (oldStatus == ICameraServiceListener::STATUS_NOT_PRESENT && 1383cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin (status != ICameraServiceListener::STATUS_PRESENT && 1384cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin status != ICameraServiceListener::STATUS_ENUMERATING)) { 1385cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 1386cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGW("%s: From NOT_PRESENT can only transition into PRESENT" 1387cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin " or ENUMERATING", __FUNCTION__); 1388cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin mStatusList[cameraId] = oldStatus; 1389cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return; 1390cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 1391cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 139293747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin if (rejectSourceStates != NULL) { 139393747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin const StatusVector &rejectList = *rejectSourceStates; 139493747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin StatusVector::const_iterator it = rejectList.begin(); 139593747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin 139693747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin /** 139793747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin * Sometimes we want to conditionally do a transition. 139893747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin * For example if a client disconnects, we want to go to PRESENT 139993747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin * only if we weren't already in NOT_PRESENT or ENUMERATING. 140093747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin */ 140193747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin for (; it != rejectList.end(); ++it) { 140293747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin if (oldStatus == *it) { 140393747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin ALOGV("%s: Rejecting status transition for Camera ID %d, " 140493747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin " since the source state was was in one of the bad " 140593747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin " states.", __FUNCTION__, cameraId); 140693747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin mStatusList[cameraId] = oldStatus; 140793747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin return; 140893747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin } 140993747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin } 141093747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin } 141193747b9c7724f690b3068300514c05629e0b0a3eIgor Murashkin 1412bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin /** 1413bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin * ProClients lose their exclusive lock. 1414bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin * - Done before the CameraClient can initialize the HAL device, 1415bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin * since we want to be able to close it before they get to initialize 1416bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin */ 1417bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if (status == ICameraServiceListener::STATUS_NOT_AVAILABLE) { 1418bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<wp<ProClient> > proClients(mProClientList[cameraId]); 1419bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<wp<ProClient> >::const_iterator it; 1420bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1421bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (it = proClients.begin(); it != proClients.end(); ++it) { 1422bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin sp<ProClient> proCl = it->promote(); 1423bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin if (proCl.get() != NULL) { 1424bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin proCl->onExclusiveLockStolen(); 1425bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1426bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1427bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1428bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1429bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin Vector<sp<ICameraServiceListener> >::const_iterator it; 1430bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin for (it = mListenerList.begin(); it != mListenerList.end(); ++it) { 1431bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin (*it)->onStatusChanged(status, cameraId); 1432bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1433bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin } 1434bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin} 1435bfc9915f482520eb9676c6d2dbf7f1ac078d937dIgor Murashkin 1436cba2c163555cd329f49d40658ea3ee902e94dda3Igor MurashkinICameraServiceListener::Status CameraService::getStatus(int cameraId) const { 1437cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin if (cameraId < 0 || cameraId >= MAX_CAMERAS) { 1438cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin ALOGE("%s: Invalid camera ID %d", __FUNCTION__, cameraId); 1439cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return ICameraServiceListener::STATUS_UNKNOWN; 1440cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin } 1441cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 1442cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin Mutex::Autolock al(mStatusMutex); 1443cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin return mStatusList[cameraId]; 1444cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin} 1445cba2c163555cd329f49d40658ea3ee902e94dda3Igor Murashkin 144665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; // namespace android 1447