CameraService.cpp revision 5e08d60617fc63c2e41f9069ff89f5c00db2617d
165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian/* 265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Copyright (C) 2008, The Android Open Source Project 465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Licensed under the Apache License, Version 2.0 (the "License"); 665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** you may not use this file except in compliance with the License. 765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** You may obtain a copy of the License at 865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** http://www.apache.org/licenses/LICENSE-2.0 1065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 1165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Unless required by applicable law or agreed to in writing, software 1265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** distributed under the License is distributed on an "AS IS" BASIS, 1365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** See the License for the specific language governing permissions and 1565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** limitations under the License. 1665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian*/ 1765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define LOG_TAG "CameraService" 198951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev//#define LOG_NDEBUG 0 2065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <stdio.h> 2265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <sys/types.h> 2365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <pthread.h> 2465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/IPCThreadState.h> 2665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/IServiceManager.h> 2765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/MemoryBase.h> 2865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/MemoryHeapBase.h> 2965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <cutils/atomic.h> 30b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra#include <cutils/properties.h> 31bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis#include <gui/SurfaceTextureClient.h> 32df712ea86e6350f7005a02ab0e1c60c28a343ed0Mathias Agopian#include <gui/Surface.h> 3365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <hardware/hardware.h> 3465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/AudioSystem.h> 3565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/mediaplayer.h> 3665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Errors.h> 3765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Log.h> 3865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/String16.h> 3965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include "CameraService.h" 415e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala#include "CameraClient.h" 428951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev#include "CameraHardwareInterface.h" 4365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 4565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 4765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Logging support -- this is for debugging only 4865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Use "adb shell dumpsys media.camera -v 1" to change it. 495e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavolatile int32_t gLogLevel = 0; 5065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 51b8a805261bf0282e992d3608035e47d05a898710Steve Block#define LOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__); 52b8a805261bf0282e992d3608035e47d05a898710Steve Block#define LOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__); 5365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic void setLogLevel(int level) { 5565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(level, &gLogLevel); 5665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 5765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 5965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic int getCallingPid() { 6165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return IPCThreadState::self()->getCallingPid(); 6265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 6365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic int getCallingUid() { 6565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return IPCThreadState::self()->getCallingUid(); 6665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 6765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 6965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 7065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// This is ugly and only safe if we never re-create the CameraService, but 7165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// should be ok for now. 7265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic CameraService *gCameraService; 7365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 7465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::CameraService() 758951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev:mSoundRef(0), mModule(0) 7665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 77df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("CameraService started (pid=%d)", getpid()); 788951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev gCameraService = this; 798951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev} 8065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 818951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchevvoid CameraService::onFirstRef() 828951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev{ 838951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev BnCameraService::onFirstRef(); 8465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 858951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (hw_get_module(CAMERA_HARDWARE_MODULE_ID, 868951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev (const hw_module_t **)&mModule) < 0) { 8729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not load camera HAL module"); 888951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = 0; 898951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 908951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev else { 918951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = mModule->get_number_of_cameras(); 928951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (mNumberOfCameras > MAX_CAMERAS) { 9329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Number of cameras(%d) > MAX_CAMERAS(%d).", 948951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras, MAX_CAMERAS); 958951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = MAX_CAMERAS; 968951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 978951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev for (int i = 0; i < mNumberOfCameras; i++) { 988951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev setCameraFree(i); 998951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 10065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 10265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 10365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::~CameraService() { 10465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 10565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mBusy[i]) { 10629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("camera %d is still in use in destructor!", i); 10765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian gCameraService = NULL; 11165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 11265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianint32_t CameraService::getNumberOfCameras() { 11465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mNumberOfCameras; 11565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 11665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::getCameraInfo(int cameraId, 11865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian struct CameraInfo* cameraInfo) { 1198951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (!mModule) { 1208951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev return NO_INIT; 1218951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 1228951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 12365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) { 12465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BAD_VALUE; 12565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 12665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1278951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev struct camera_info info; 1288951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev status_t rc = mModule->get_camera_info(cameraId, &info); 1298951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev cameraInfo->facing = info.facing; 1308951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev cameraInfo->orientation = info.orientation; 1318951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev return rc; 13265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 13365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 13465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiansp<ICamera> CameraService::connect( 13508ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li const sp<ICameraClient>& cameraClient, int cameraId) { 13665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 1375861a9a98c641261c4807c976c750e4611b3a57dTyler Luu sp<CameraHardwareInterface> hardware = NULL; 1385861a9a98c641261c4807c976c750e4611b3a57dTyler Luu 13965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::connect E (pid %d, id %d)", callingPid, cameraId); 14065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1418951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (!mModule) { 14229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Camera HAL module not loaded"); 1438951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev return NULL; 1448951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 1458951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 14665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client; 14765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) { 14829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("CameraService::connect X (pid %d) rejected (invalid cameraId %d).", 14965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian callingPid, cameraId); 15065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 15165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 15265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 153a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li char value[PROPERTY_VALUE_MAX]; 154a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li property_get("sys.secpolicy.camera.disabled", value, "0"); 155a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li if (strcmp(value, "1") == 0) { 156a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li // Camera is disabled by DevicePolicyManager. 157df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Camera is disabled. connect X (pid %d) rejected", callingPid); 158a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li return NULL; 159a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li } 160a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li 16165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mServiceLock); 16208ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (mClient[cameraId] != 0) { 16308ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li client = mClient[cameraId].promote(); 16408ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (client != 0) { 16508ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (cameraClient->asBinder() == client->getCameraClient()->asBinder()) { 16608ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li LOG1("CameraService::connect X (pid %d) (the same client)", 16708ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li callingPid); 16808ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li return client; 16908ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li } else { 17008ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li ALOGW("CameraService::connect X (pid %d) rejected (existing client).", 17108ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li callingPid); 1722fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li return NULL; 1732fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li } 1742fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li } 17508ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li mClient[cameraId].clear(); 17608ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li } 17708ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li 17808ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (mBusy[cameraId]) { 17908ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li ALOGW("CameraService::connect X (pid %d) rejected" 18008ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li " (camera %d is still busy).", callingPid, cameraId); 18108ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li return NULL; 18265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 18365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1848951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev struct camera_info info; 1858951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (mModule->get_camera_info(cameraId, &info) != OK) { 18629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid camera id %d", cameraId); 187b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li return NULL; 188b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li } 1898951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 1908951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev char camera_device_name[10]; 1918951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev snprintf(camera_device_name, sizeof(camera_device_name), "%d", cameraId); 1928951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 1935861a9a98c641261c4807c976c750e4611b3a57dTyler Luu hardware = new CameraHardwareInterface(camera_device_name); 1945861a9a98c641261c4807c976c750e4611b3a57dTyler Luu if (hardware->initialize(&mModule->common) != OK) { 1955861a9a98c641261c4807c976c750e4611b3a57dTyler Luu hardware.clear(); 1965861a9a98c641261c4807c976c750e4611b3a57dTyler Luu return NULL; 1975861a9a98c641261c4807c976c750e4611b3a57dTyler Luu } 1985861a9a98c641261c4807c976c750e4611b3a57dTyler Luu 1995e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client = new CameraClient(this, cameraClient, hardware, cameraId, info.facing, callingPid); 20065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[cameraId] = client; 2012fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li LOG1("CameraService::connect X (id %d)", cameraId); 20265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return client; 20365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 20465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 20565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::removeClient(const sp<ICameraClient>& cameraClient) { 20665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 20765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::removeClient E (pid %d)", callingPid); 20865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 20965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 21065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Declare this before the lock to make absolutely sure the 21165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // destructor won't be called with the lock held. 21265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client; 21365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 21465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mServiceLock); 21565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 21665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // This happens when we have already disconnected (or this is 21765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // just another unused camera). 21865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClient[i] == 0) continue; 21965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 22065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Promote mClient. It can fail if we are called from this path: 22165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Client::~Client() -> disconnect() -> removeClient(). 22265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client = mClient[i].promote(); 22365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 22465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) { 22565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[i].clear(); 22665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian continue; 22765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 22865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 22965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraClient->asBinder() == client->getCameraClient()->asBinder()) { 23065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Found our camera, clear and leave. 23165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("removeClient: clear camera %d", i); 23265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[i].clear(); 23365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 23465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 23565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 23665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 23765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::removeClient X (pid %d)", callingPid); 23865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 23965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 240d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkCameraService::Client* CameraService::getClientByIdUnsafe(int cameraId) { 24165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) return NULL; 242d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park return mClient[cameraId].unsafe_get(); 243d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park} 244d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 245d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkMutex* CameraService::getClientLockById(int cameraId) { 246d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (cameraId < 0 || cameraId >= mNumberOfCameras) return NULL; 247d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park return &mClientLock[cameraId]; 24865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 24965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 25065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::onTransact( 25165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) { 25265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Permission checks 25365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (code) { 25465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case BnCameraService::CONNECT: 25565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int pid = getCallingPid(); 25665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int self_pid = getpid(); 25765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (pid != self_pid) { 25865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // we're called from a different process, do the real check 25965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!checkCallingPermission( 26065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String16("android.permission.CAMERA"))) { 26165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int uid = getCallingUid(); 26229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Permission Denial: " 26365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't use the camera pid=%d, uid=%d", pid, uid); 26465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return PERMISSION_DENIED; 26565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 26665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 26765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 26865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 26965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 27065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BnCameraService::onTransact(code, data, reply, flags); 27165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 27265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 27365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// The reason we need this busy bit is a new CameraService::connect() request 27465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// may come in while the previous Client's destructor has not been run or is 27565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// still running. If the last strong reference of the previous Client is gone 27665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// but the destructor has not been finished, we should not allow the new Client 27765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// to be created because we need to wait for the previous Client to tear down 27865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// the hardware first. 27965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::setCameraBusy(int cameraId) { 28065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(1, &mBusy[cameraId]); 28165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 28265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 28365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::setCameraFree(int cameraId) { 28465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(0, &mBusy[cameraId]); 28565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 28665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 28765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// We share the media players for shutter and recording sound for all clients. 28865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// A reference count is kept to determine when we will actually release the 28965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// media players. 29065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 291ff4f55c8d77e276dbcceedb4e560ca1d91ba38baChih-Chung ChangMediaPlayer* CameraService::newMediaPlayer(const char *file) { 29265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian MediaPlayer* mp = new MediaPlayer(); 29365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mp->setDataSource(file, NULL) == NO_ERROR) { 29460a78ac9535878984b0777788760b9ee7465c5e6Eino-Ville Talvala mp->setAudioStreamType(AUDIO_STREAM_ENFORCED_AUDIBLE); 29565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mp->prepare(); 29665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 29729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Failed to load CameraService sounds: %s", file); 29865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 29965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 30065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mp; 30165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 30265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 30365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::loadSound() { 30465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 30565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::loadSound ref=%d", mSoundRef); 30665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSoundRef++) return; 30765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 30865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[SOUND_SHUTTER] = newMediaPlayer("/system/media/audio/ui/camera_click.ogg"); 30965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[SOUND_RECORDING] = newMediaPlayer("/system/media/audio/ui/VideoRecord.ogg"); 31065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 31165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 31265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::releaseSound() { 31365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 31465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::releaseSound ref=%d", mSoundRef); 31565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (--mSoundRef) return; 31665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 31765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < NUM_SOUNDS; i++) { 31865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSoundPlayer[i] != 0) { 31965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[i]->disconnect(); 32065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[i].clear(); 32165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 32265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 32365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 32465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 32565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::playSound(sound_kind kind) { 32665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("playSound(%d)", kind); 32765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 32865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<MediaPlayer> player = mSoundPlayer[kind]; 32965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (player != 0) { 3308888a75f01d904541e409e858d23e4150ace34b6Chih-Chung Chang player->seekTo(0); 3318888a75f01d904541e409e858d23e4150ace34b6Chih-Chung Chang player->start(); 33265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 33365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 33465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 33565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 33665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 33765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::Client::Client(const sp<CameraService>& cameraService, 338b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li const sp<ICameraClient>& cameraClient, 33908ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li int cameraId, int cameraFacing, int clientPid) { 34065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 3412fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li LOG1("Client::Client E (pid %d, id %d)", callingPid, cameraId); 34265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService = cameraService; 34465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraClient = cameraClient; 34565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraId = cameraId; 346e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li mCameraFacing = cameraFacing; 34765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid = clientPid; 348d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park mDestructionStarted = false; 3495e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 35065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian cameraService->setCameraBusy(cameraId); 35165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian cameraService->loadSound(); 3522fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li LOG1("Client::Client X (pid %d, id %d)", callingPid, cameraId); 35365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 35465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// tear down the client 35665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::Client::~Client() { 35765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 35865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 36065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 361d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkMutex* CameraService::Client::getClientLockFromCookie(void* user) { 362d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park return gCameraService->getClientLockById((int) user); 363d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park} 364d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 365d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park// Provide client pointer for callbacks. Client lock returned from getClientLockFromCookie should 366d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park// be acquired for this to be safe 367d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkCameraService::Client* CameraService::Client::getClientFromCookie(void* user) { 368d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park Client* client = gCameraService->getClientByIdUnsafe((int) user); 36965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 37065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // This could happen if the Client is in the process of shutting down (the 37165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // last strong reference is gone, but the destructor hasn't finished 37265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // stopping the hardware). 373d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (client == NULL) return NULL; 374d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 375d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park // destruction already started, so should not be accessed 376d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (client->mDestructionStarted) return NULL; 37765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 37865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return client; 37965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 38065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3815e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraService::Client::disconnect() { 3825e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mCameraService->removeClient(mCameraClient); 3835e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mCameraService->setCameraFree(mCameraId); 384e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li} 385e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li 38665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 38765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 38865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const int kDumpLockRetries = 50; 38965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const int kDumpLockSleep = 60000; 39065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 39165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic bool tryLock(Mutex& mutex) 39265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 39365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = false; 39465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < kDumpLockRetries; ++i) { 39565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mutex.tryLock() == NO_ERROR) { 39665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian locked = true; 39765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 39865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 39965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian usleep(kDumpLockSleep); 40065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 40165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return locked; 40265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 40365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 40465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::dump(int fd, const Vector<String16>& args) { 40565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian static const char* kDeadlockedString = "CameraService may be deadlocked\n"; 40665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 40765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const size_t SIZE = 256; 40865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian char buffer[SIZE]; 40965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 result; 41065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 41165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian snprintf(buffer, SIZE, "Permission Denial: " 41265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't dump CameraService from pid=%d, uid=%d\n", 41365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian getCallingPid(), 41465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian getCallingUid()); 41565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append(buffer); 41665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 41765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 41865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = tryLock(mServiceLock); 41965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // failed to lock - CameraService is probably deadlocked 42065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!locked) { 42165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 result(kDeadlockedString); 42265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 42365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 42465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 42565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool hasClient = false; 42665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 42765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = mClient[i].promote(); 42865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) continue; 42965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian hasClient = true; 4305e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client->dump(fd, args); 43165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!hasClient) { 43365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append("No camera client yet.\n"); 43465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 43565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 43765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (locked) mServiceLock.unlock(); 43865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 43965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // change logging level 44065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int n = args.size(); 44165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i + 1 < n; i++) { 44265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (args[i] == String16("-v")) { 44365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 levelStr(args[i+1]); 44465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int level = atoi(levelStr.string()); 44565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sprintf(buffer, "Set Log Level to %d", level); 44665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append(buffer); 44765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian setLogLevel(level); 44865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 44965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 45065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 45165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 45265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 45365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 45465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; // namespace android 455