CameraService.cpp revision 8951a97b1f8462c37e740ea5082eea0445d2c501
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> 3265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <hardware/hardware.h> 3365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/AudioSystem.h> 3465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/mediaplayer.h> 3565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <surfaceflinger/ISurface.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" 418951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev#include "CameraHardwareInterface.h" 4265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 4465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 4665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Logging support -- this is for debugging only 4765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Use "adb shell dumpsys media.camera -v 1" to change it. 4865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic volatile int32_t gLogLevel = 0; 4965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define LOG1(...) LOGD_IF(gLogLevel >= 1, __VA_ARGS__); 5165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define LOG2(...) LOGD_IF(gLogLevel >= 2, __VA_ARGS__); 5265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic void setLogLevel(int level) { 5465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(level, &gLogLevel); 5565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 5665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 5865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic int getCallingPid() { 6065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return IPCThreadState::self()->getCallingPid(); 6165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 6265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic int getCallingUid() { 6465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return IPCThreadState::self()->getCallingUid(); 6565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 6665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 6865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// This is ugly and only safe if we never re-create the CameraService, but 7065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// should be ok for now. 7165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic CameraService *gCameraService; 7265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 7365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::CameraService() 748951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev:mSoundRef(0), mModule(0) 7565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 7665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGI("CameraService started (pid=%d)", getpid()); 778951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev gCameraService = this; 788951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev} 7965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 808951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchevvoid CameraService::onFirstRef() 818951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev{ 828951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev BnCameraService::onFirstRef(); 8365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 848951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (hw_get_module(CAMERA_HARDWARE_MODULE_ID, 858951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev (const hw_module_t **)&mModule) < 0) { 868951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev LOGE("Could not load camera HAL module"); 878951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = 0; 888951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 898951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev else { 908951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = mModule->get_number_of_cameras(); 918951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (mNumberOfCameras > MAX_CAMERAS) { 928951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev LOGE("Number of cameras(%d) > MAX_CAMERAS(%d).", 938951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras, MAX_CAMERAS); 948951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = MAX_CAMERAS; 958951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 968951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev for (int i = 0; i < mNumberOfCameras; i++) { 978951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev setCameraFree(i); 988951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 9965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 10165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 10265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::~CameraService() { 10365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 10465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mBusy[i]) { 10565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("camera %d is still in use in destructor!", i); 10665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 10965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian gCameraService = NULL; 11065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 11165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianint32_t CameraService::getNumberOfCameras() { 11365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mNumberOfCameras; 11465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 11565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::getCameraInfo(int cameraId, 11765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian struct CameraInfo* cameraInfo) { 1188951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (!mModule) { 1198951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev return NO_INIT; 1208951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 1218951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 12265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) { 12365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BAD_VALUE; 12465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 12565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1268951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev struct camera_info info; 1278951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev status_t rc = mModule->get_camera_info(cameraId, &info); 1288951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev cameraInfo->facing = info.facing; 1298951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev cameraInfo->orientation = info.orientation; 1308951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev return rc; 13165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 13265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 13365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiansp<ICamera> CameraService::connect( 13465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const sp<ICameraClient>& cameraClient, int cameraId) { 13565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 13665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::connect E (pid %d, id %d)", callingPid, cameraId); 13765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1388951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (!mModule) { 1398951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev LOGE("Camera HAL module not loaded"); 1408951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev return NULL; 1418951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 1428951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 14365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client; 14465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) { 14565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("CameraService::connect X (pid %d) rejected (invalid cameraId %d).", 14665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian callingPid, cameraId); 14765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 14865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 14965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 15065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mServiceLock); 15165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClient[cameraId] != 0) { 15265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client = mClient[cameraId].promote(); 15365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client != 0) { 15465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraClient->asBinder() == client->getCameraClient()->asBinder()) { 15565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::connect X (pid %d) (the same client)", 15665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian callingPid); 15765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return client; 15865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 15965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGW("CameraService::connect X (pid %d) rejected (existing client).", 16065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian callingPid); 16165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 16265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 16365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 16465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[cameraId].clear(); 16565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 16665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 16765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mBusy[cameraId]) { 16865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGW("CameraService::connect X (pid %d) rejected" 16965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian " (camera %d is still busy).", callingPid, cameraId); 17065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 17165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 17265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1738951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev struct camera_info info; 1748951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (mModule->get_camera_info(cameraId, &info) != OK) { 1758951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev LOGE("Invalid camera id %d", cameraId); 176b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li return NULL; 177b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li } 1788951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 1798951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev char camera_device_name[10]; 1808951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev snprintf(camera_device_name, sizeof(camera_device_name), "%d", cameraId); 1818951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 1828951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev client = new Client(this, cameraClient, 1838951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev new CameraHardwareInterface(&mModule->common, 1848951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev camera_device_name), 1858951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev cameraId, info.facing, callingPid); 18665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[cameraId] = client; 18765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::connect X"); 18865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return client; 18965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 19065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 19165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::removeClient(const sp<ICameraClient>& cameraClient) { 19265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 19365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::removeClient E (pid %d)", callingPid); 19465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 19565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 19665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Declare this before the lock to make absolutely sure the 19765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // destructor won't be called with the lock held. 19865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client; 19965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 20065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mServiceLock); 20165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 20265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // This happens when we have already disconnected (or this is 20365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // just another unused camera). 20465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClient[i] == 0) continue; 20565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 20665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Promote mClient. It can fail if we are called from this path: 20765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Client::~Client() -> disconnect() -> removeClient(). 20865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client = mClient[i].promote(); 20965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 21065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) { 21165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[i].clear(); 21265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian continue; 21365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 21465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 21565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraClient->asBinder() == client->getCameraClient()->asBinder()) { 21665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Found our camera, clear and leave. 21765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("removeClient: clear camera %d", i); 21865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[i].clear(); 21965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 22065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 22165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 22265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 22365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::removeClient X (pid %d)", callingPid); 22465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 22565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 22665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiansp<CameraService::Client> CameraService::getClientById(int cameraId) { 22765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) return NULL; 22865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mClient[cameraId].promote(); 22965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 23065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 23165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::onTransact( 23265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) { 23365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Permission checks 23465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (code) { 23565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case BnCameraService::CONNECT: 23665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int pid = getCallingPid(); 23765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int self_pid = getpid(); 23865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (pid != self_pid) { 23965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // we're called from a different process, do the real check 24065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!checkCallingPermission( 24165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String16("android.permission.CAMERA"))) { 24265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int uid = getCallingUid(); 24365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("Permission Denial: " 24465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't use the camera pid=%d, uid=%d", pid, uid); 24565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return PERMISSION_DENIED; 24665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 24765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 24865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 24965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 25065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 25165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BnCameraService::onTransact(code, data, reply, flags); 25265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 25365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 25465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// The reason we need this busy bit is a new CameraService::connect() request 25565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// may come in while the previous Client's destructor has not been run or is 25665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// still running. If the last strong reference of the previous Client is gone 25765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// but the destructor has not been finished, we should not allow the new Client 25865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// to be created because we need to wait for the previous Client to tear down 25965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// the hardware first. 26065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::setCameraBusy(int cameraId) { 26165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(1, &mBusy[cameraId]); 26265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 26365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 26465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::setCameraFree(int cameraId) { 26565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(0, &mBusy[cameraId]); 26665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 26765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 26865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// We share the media players for shutter and recording sound for all clients. 26965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// A reference count is kept to determine when we will actually release the 27065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// media players. 27165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 27265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic MediaPlayer* newMediaPlayer(const char *file) { 27365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian MediaPlayer* mp = new MediaPlayer(); 27465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mp->setDataSource(file, NULL) == NO_ERROR) { 275fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin mp->setAudioStreamType(AUDIO_STREAM_ENFORCED_AUDIBLE); 27665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mp->prepare(); 27765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 27865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("Failed to load CameraService sounds: %s", file); 27965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 28065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 28165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mp; 28265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 28365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 28465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::loadSound() { 28565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 28665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::loadSound ref=%d", mSoundRef); 28765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSoundRef++) return; 28865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 28965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[SOUND_SHUTTER] = newMediaPlayer("/system/media/audio/ui/camera_click.ogg"); 29065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[SOUND_RECORDING] = newMediaPlayer("/system/media/audio/ui/VideoRecord.ogg"); 29165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 29265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 29365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::releaseSound() { 29465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 29565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::releaseSound ref=%d", mSoundRef); 29665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (--mSoundRef) return; 29765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 29865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < NUM_SOUNDS; i++) { 29965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSoundPlayer[i] != 0) { 30065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[i]->disconnect(); 30165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[i].clear(); 30265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 30365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 30465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 30565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 30665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::playSound(sound_kind kind) { 30765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("playSound(%d)", kind); 30865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 30965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<MediaPlayer> player = mSoundPlayer[kind]; 31065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (player != 0) { 31165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // do not play the sound if stream volume is 0 31265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (typically because ringer mode is silent). 31365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int index; 314fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin AudioSystem::getStreamVolumeIndex(AUDIO_STREAM_ENFORCED_AUDIBLE, &index); 31565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (index != 0) { 31665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian player->seekTo(0); 31765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian player->start(); 31865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 31965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 32065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 32165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 32265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 32365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 32465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::Client::Client(const sp<CameraService>& cameraService, 325b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li const sp<ICameraClient>& cameraClient, 326b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li const sp<CameraHardwareInterface>& hardware, 327e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li int cameraId, int cameraFacing, int clientPid) { 32865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 32965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("Client::Client E (pid %d)", callingPid); 33065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 33165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService = cameraService; 33265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraClient = cameraClient; 333b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li mHardware = hardware; 33465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraId = cameraId; 335e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li mCameraFacing = cameraFacing; 33665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid = clientPid; 33765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mMsgEnabled = 0; 338bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis mSurface = 0; 339bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis mPreviewWindow = 0; 34065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->setCallbacks(notifyCallback, 34165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian dataCallback, 34265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian dataCallbackTimestamp, 34365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (void *)cameraId); 34465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Enable zoom, error, and focus messages by default 34665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enableMsgType(CAMERA_MSG_ERROR | 34765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian CAMERA_MSG_ZOOM | 34865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian CAMERA_MSG_FOCUS); 34965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Callback is disabled by default 3519e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev mPreviewCallbackFlag = CAMERA_FRAME_CALLBACK_FLAG_NOOP; 352e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li mOrientation = getOrientation(0, mCameraFacing == CAMERA_FACING_FRONT); 353b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra mPlayShutterSound = true; 35465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian cameraService->setCameraBusy(cameraId); 35565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian cameraService->loadSound(); 35665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("Client::Client X (pid %d)", callingPid); 35765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 35865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// tear down the client 36065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::Client::~Client() { 36165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 36265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("Client::~Client E (pid %d, this %p)", callingPid, this); 36365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 36465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // set mClientPid to let disconnet() tear down the hardware 36565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid = callingPid; 36665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disconnect(); 36765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService->releaseSound(); 36865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("Client::~Client X (pid %d, this %p)", callingPid, this); 36965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 37065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 37165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 37265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 37365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::checkPid() const { 37465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 37565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (callingPid == mClientPid) return NO_ERROR; 37665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 37765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGW("attempt to use a locked camera from a different process" 37865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian " (old pid %d, new pid %d)", mClientPid, callingPid); 37965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return EBUSY; 38065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 38165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 38265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::checkPidAndHardware() const { 38365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPid(); 38465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 38565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware == 0) { 38665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("attempt to use a camera after disconnect() (pid %d)", getCallingPid()); 38765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return INVALID_OPERATION; 38865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 38965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 39065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 39165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 39265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::lock() { 39365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 39465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("lock (pid %d)", callingPid); 39565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 39665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 39765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // lock camera to this client if the the camera is unlocked 39865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClientPid == 0) { 39965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid = callingPid; 40065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 40165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 40265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 40365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // returns NO_ERROR if the client already owns the camera, EBUSY otherwise 40465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return checkPid(); 40565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 40665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 40765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::unlock() { 40865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 40965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("unlock (pid %d)", callingPid); 41065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 41165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 41265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // allow anyone to use camera (after they lock the camera) 41365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPid(); 41465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result == NO_ERROR) { 41565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid = 0; 41665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("clear mCameraClient (pid %d)", callingPid); 41765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // we need to remove the reference to ICameraClient so that when the app 41865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // goes away, the reference count goes to 0. 41965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraClient.clear(); 42065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 42165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 42265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 42365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 42465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// connect a new client to the camera 42565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::connect(const sp<ICameraClient>& client) { 42665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 42765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("connect E (pid %d)", callingPid); 42865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 42965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 43065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClientPid != 0 && checkPid() != NO_ERROR) { 43165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGW("Tried to connect to a locked camera (old pid %d, new pid %d)", 43265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid, callingPid); 43365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return EBUSY; 43465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 43665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mCameraClient != 0 && (client->asBinder() == mCameraClient->asBinder())) { 43765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("Connect to the same client"); 43865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 43965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 44065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4419e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev mPreviewCallbackFlag = CAMERA_FRAME_CALLBACK_FLAG_NOOP; 44265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid = callingPid; 44365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraClient = client; 44465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 44565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("connect X (pid %d)", callingPid); 44665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 44765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 44865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 44965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::disconnect() { 45065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 45165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("disconnect E (pid %d)", callingPid); 45265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 45365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 45465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPid() != NO_ERROR) { 45565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGW("different client - don't disconnect"); 45665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 45765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 45865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 45965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClientPid <= 0) { 46065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("camera is unlocked (mClientPid = %d), don't tear down hardware", mClientPid); 46165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 46265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 46365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 46465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Make sure disconnect() is done once and once only, whether it is called 46565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // from the user directly, or called by the destructor. 46665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware == 0) return; 46765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 46865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("hardware teardown"); 46965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Before destroying mHardware, we must make sure it's in the 47065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // idle state. 47165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Turn off all messages. 47265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_ALL_MSGS); 47365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->stopPreview(); 47465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->cancelPicture(); 47565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Release the hardware resources. 47665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->release(); 47703dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian 4784b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis // Release the held ANativeWindow resources. 4794b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis if (mPreviewWindow != 0) { 4804b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis mPreviewWindow = 0; 4814b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis mHardware->setPreviewWindow(mPreviewWindow); 4824b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis } 48365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware.clear(); 48465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 48565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService->removeClient(mCameraClient); 48665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService->setCameraFree(mCameraId); 48765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 48865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("disconnect X (pid %d)", callingPid); 48965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 49065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 49165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 49265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4934b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis// set the Surface that the preview will use 4944b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennisstatus_t CameraService::Client::setPreviewDisplay(const sp<Surface>& surface) { 49565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("setPreviewDisplay(%p) (pid %d)", surface.get(), getCallingPid()); 49665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 49765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 49865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 49965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 50065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result = NO_ERROR; 50165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 50265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // return if no change in surface. 5038b1027d3f873fc15c70f8645f1856936b69241a4Mathias Agopian sp<IBinder> binder(surface != 0 ? surface->asBinder() : 0); 5048b1027d3f873fc15c70f8645f1856936b69241a4Mathias Agopian if (binder == mSurface) { 50565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 50665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 50765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 50865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSurface != 0) { 50965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("clearing old preview surface %p", mSurface.get()); 51065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 5118b1027d3f873fc15c70f8645f1856936b69241a4Mathias Agopian mSurface = binder; 5124b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis mPreviewWindow = surface; 513bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis 51403dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian // If preview has been already started, register preview 51565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // buffers now. 51665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware->previewEnabled()) { 51703dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian if (mPreviewWindow != 0) { 518012716a857641a977afd16ff6be4bf66fc403884Wu-cheng Li native_window_set_buffers_transform(mPreviewWindow.get(), 519e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li mOrientation); 5204b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis result = mHardware->setPreviewWindow(mPreviewWindow); 52165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 52265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 52365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 52465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 52565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 52665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 527bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis// set the SurfaceTexture that the preview will use 528bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennisstatus_t CameraService::Client::setPreviewTexture( 529bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis const sp<ISurfaceTexture>& surfaceTexture) { 530bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis LOG1("setPreviewTexture(%p) (pid %d)", surfaceTexture.get(), 531bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis getCallingPid()); 532bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis Mutex::Autolock lock(mLock); 533bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis status_t result = checkPidAndHardware(); 534bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis if (result != NO_ERROR) return result; 535bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis 536bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis // return if no change in surface. 537bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis // asBinder() is safe on NULL (returns NULL) 538bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis if (surfaceTexture->asBinder() == mSurface) { 539bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis return result; 540bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis } 541bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis 542bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis if (mSurface != 0) { 543bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis LOG1("clearing old preview surface %p", mSurface.get()); 544bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis } 545bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis mSurface = surfaceTexture->asBinder(); 546bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis if (surfaceTexture != 0) { 547bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis mPreviewWindow = new SurfaceTextureClient(surfaceTexture); 548bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis } else { 549bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis mPreviewWindow = 0; 550bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis } 551bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis 552bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis // If preview has been already started, set overlay or register preview 553bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis // buffers now. 554bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis if (mHardware->previewEnabled()) { 555bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis // XXX: What if the new preview window is 0? 556bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis if (mPreviewWindow != 0) { 557bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis native_window_set_buffers_transform(mPreviewWindow.get(), 558bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis mOrientation); 559bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis result = mHardware->setPreviewWindow(mPreviewWindow); 560bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis } 561bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis } 562bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis 563bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis return result; 564bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis} 565bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis 56665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// set the preview callback flag to affect how the received frames from 56765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// preview are handled. 56865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::setPreviewCallbackFlag(int callback_flag) { 56965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("setPreviewCallbackFlag(%d) (pid %d)", callback_flag, getCallingPid()); 57065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 57165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return; 57265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 57365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewCallbackFlag = callback_flag; 5749e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev if (mPreviewCallbackFlag & CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK) { 5750667de7038238c31af77865eb6d83c5ae9ca1b1eWu-cheng Li enableMsgType(CAMERA_MSG_PREVIEW_FRAME); 5760667de7038238c31af77865eb6d83c5ae9ca1b1eWu-cheng Li } else { 5770667de7038238c31af77865eb6d83c5ae9ca1b1eWu-cheng Li disableMsgType(CAMERA_MSG_PREVIEW_FRAME); 57865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 57965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 58065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 58165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// start preview mode 58265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::startPreview() { 58365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("startPreview (pid %d)", getCallingPid()); 58465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return startCameraMode(CAMERA_PREVIEW_MODE); 58565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 58665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 58765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// start recording mode 58865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::startRecording() { 58965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("startRecording (pid %d)", getCallingPid()); 59065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return startCameraMode(CAMERA_RECORDING_MODE); 59165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 59265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 59365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// start preview or recording 59465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::startCameraMode(camera_mode mode) { 59565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("startCameraMode(%d)", mode); 59665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 59765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 59865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 59965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 60065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch(mode) { 60165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_PREVIEW_MODE: 6024b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis if (mSurface == 0 && mPreviewWindow == 0) { 60365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("mSurface is not set yet."); 60465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // still able to start preview in this case. 60565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 60665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return startPreviewMode(); 60765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_RECORDING_MODE: 6084b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis if (mSurface == 0 && mPreviewWindow == 0) { 6094b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis LOGE("mSurface or mPreviewWindow must be set before startRecordingMode."); 61065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return INVALID_OPERATION; 61165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 61265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return startRecordingMode(); 61365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian default: 61465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return UNKNOWN_ERROR; 61565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 61665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 61765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 61865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::startPreviewMode() { 61965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("startPreviewMode"); 62065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = NO_ERROR; 62165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 62265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // if preview has been enabled, nothing needs to be done 62365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware->previewEnabled()) { 62465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 62565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 62665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 62703dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian if (mPreviewWindow != 0) { 62803dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian native_window_set_buffers_transform(mPreviewWindow.get(), 62903dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian mOrientation); 63065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 63103dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian mHardware->setPreviewWindow(mPreviewWindow); 63203dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian result = mHardware->startPreview(); 63303dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian 63465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 63565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 63665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 63765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::startRecordingMode() { 63865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("startRecordingMode"); 63965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = NO_ERROR; 64065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 64165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // if recording has been enabled, nothing needs to be done 64265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware->recordingEnabled()) { 64365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 64465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 64565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 64665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // if preview has not been started, start preview first 64765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!mHardware->previewEnabled()) { 64865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result = startPreviewMode(); 64965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) { 65065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 65165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 65265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 65365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 65465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // start recording mode 65565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enableMsgType(CAMERA_MSG_VIDEO_FRAME); 65665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService->playSound(SOUND_RECORDING); 65765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result = mHardware->startRecording(); 65865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) { 65965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("mHardware->startRecording() failed with status %d", result); 66065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 66165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 66265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 66365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 66465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// stop preview mode 66565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::stopPreview() { 66665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("stopPreview (pid %d)", getCallingPid()); 66765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 66865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return; 66965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6704b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis 67165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_PREVIEW_FRAME); 67265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->stopPreview(); 67365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 67465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewBuffer.clear(); 67565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 67665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 67765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// stop recording mode 67865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::stopRecording() { 67965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("stopRecording (pid %d)", getCallingPid()); 68065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 68165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return; 68265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 68365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService->playSound(SOUND_RECORDING); 68465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_VIDEO_FRAME); 68565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->stopRecording(); 68665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 68765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewBuffer.clear(); 68865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 68965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 69065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// release a recording frame 69165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::releaseRecordingFrame(const sp<IMemory>& mem) { 69265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 69365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return; 69465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->releaseRecordingFrame(mem); 69565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 69665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 697e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dongstatus_t CameraService::Client::storeMetaDataInBuffers(bool enabled) 698e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong{ 699e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong LOG1("storeMetaDataInBuffers: %s", enabled? "true": "false"); 700e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong Mutex::Autolock lock(mLock); 701e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong if (checkPidAndHardware() != NO_ERROR) { 702e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong return UNKNOWN_ERROR; 703e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong } 704e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong return mHardware->storeMetaDataInBuffers(enabled); 705e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong} 706e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong 70765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool CameraService::Client::previewEnabled() { 70865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("previewEnabled (pid %d)", getCallingPid()); 70965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 71065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 71165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return false; 71265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->previewEnabled(); 71365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 71465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 71565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool CameraService::Client::recordingEnabled() { 71665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("recordingEnabled (pid %d)", getCallingPid()); 71765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 71865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 71965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return false; 72065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->recordingEnabled(); 72165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 72265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 72365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::autoFocus() { 72465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("autoFocus (pid %d)", getCallingPid()); 72565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 72665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 72765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 72865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 72965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 73065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->autoFocus(); 73165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 73265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 73365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::cancelAutoFocus() { 73465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("cancelAutoFocus (pid %d)", getCallingPid()); 73565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 73665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 73765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 73865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 73965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->cancelAutoFocus(); 74165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 74265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// take a picture - image is returned in callback 744e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dongstatus_t CameraService::Client::takePicture(int msgType) { 745e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong LOG1("takePicture (pid %d): 0x%x", getCallingPid(), msgType); 74665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 74865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 74965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 75065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 751e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong if ((msgType & CAMERA_MSG_RAW_IMAGE) && 752e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong (msgType & CAMERA_MSG_RAW_IMAGE_NOTIFY)) { 753e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong LOGE("CAMERA_MSG_RAW_IMAGE and CAMERA_MSG_RAW_IMAGE_NOTIFY" 754e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong " cannot be both enabled"); 755e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong return BAD_VALUE; 756e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong } 757e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong 758e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong // We only accept picture related message types 759e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong // and ignore other types of messages for takePicture(). 760e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong int picMsgType = msgType 761e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong & (CAMERA_MSG_SHUTTER | 762e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong CAMERA_MSG_POSTVIEW_FRAME | 763e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong CAMERA_MSG_RAW_IMAGE | 764e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong CAMERA_MSG_RAW_IMAGE_NOTIFY | 765e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong CAMERA_MSG_COMPRESSED_IMAGE); 766e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong 767e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong enableMsgType(picMsgType); 76865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 76965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->takePicture(); 77065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 77165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 77265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// set preview/capture parameters - key/value pairs 77365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::setParameters(const String8& params) { 77465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("setParameters (pid %d) (%s)", getCallingPid(), params.string()); 77565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 77665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 77765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 77865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 77965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 78065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian CameraParameters p(params); 78165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->setParameters(p); 78265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 78365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 78465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// get preview/capture parameters - key/value pairs 78565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianString8 CameraService::Client::getParameters() const { 78665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 78765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return String8(); 78865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 78965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 params(mHardware->getParameters().flatten()); 79065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("getParameters (pid %d) (%s)", getCallingPid(), params.string()); 79165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return params; 79265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 79365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 794b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra// enable shutter sound 795b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatrastatus_t CameraService::Client::enableShutterSound(bool enable) { 796b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra LOG1("enableShutterSound (pid %d)", getCallingPid()); 797b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra 798b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra status_t result = checkPidAndHardware(); 799b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra if (result != NO_ERROR) return result; 800b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra 801b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra if (enable) { 802b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra mPlayShutterSound = true; 803b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra return OK; 804b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } 805b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra 806b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra // Disabling shutter sound may not be allowed. In that case only 807b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra // allow the mediaserver process to disable the sound. 808b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra char value[PROPERTY_VALUE_MAX]; 809b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra property_get("ro.camera.sound.forced", value, "0"); 810b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra if (strcmp(value, "0") != 0) { 811b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra // Disabling shutter sound is not allowed. Deny if the current 812b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra // process is not mediaserver. 813b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra if (getCallingPid() != getpid()) { 814b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra LOGE("Failed to disable shutter sound. Permission denied (pid %d)", getCallingPid()); 815b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra return PERMISSION_DENIED; 816b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } 817b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } 818b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra 819b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra mPlayShutterSound = false; 820b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra return OK; 821b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra} 822b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra 82365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) { 82465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("sendCommand (pid %d)", getCallingPid()); 8254a73f3da3501db6e95473a4a653d6319c6d618e2Wu-cheng Li int orientation; 82665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 82765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 82865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 82965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 83065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cmd == CAMERA_CMD_SET_DISPLAY_ORIENTATION) { 83165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // The orientation cannot be set during preview. 83265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware->previewEnabled()) { 83365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return INVALID_OPERATION; 83465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 835e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li // Mirror the preview if the camera is front-facing. 836e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li orientation = getOrientation(arg1, mCameraFacing == CAMERA_FACING_FRONT); 837e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li if (orientation == -1) return BAD_VALUE; 838e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li 8394a73f3da3501db6e95473a4a653d6319c6d618e2Wu-cheng Li if (mOrientation != orientation) { 8404a73f3da3501db6e95473a4a653d6319c6d618e2Wu-cheng Li mOrientation = orientation; 8414a73f3da3501db6e95473a4a653d6319c6d618e2Wu-cheng Li } 84265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return OK; 843b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } else if (cmd == CAMERA_CMD_ENABLE_SHUTTER_SOUND) { 844b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra switch (arg1) { 845b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra case 0: 846b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra enableShutterSound(false); 847b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra break; 848b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra case 1: 849b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra enableShutterSound(true); 850b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra break; 851b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra default: 852b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra return BAD_VALUE; 853b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } 854b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra return OK; 8553b7b358d1a45844ca427626554ff81f472fd1583Nipun Kwatra } else if (cmd == CAMERA_CMD_PLAY_RECORDING_SOUND) { 8563b7b358d1a45844ca427626554ff81f472fd1583Nipun Kwatra mCameraService->playSound(SOUND_RECORDING); 85765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 85865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 85965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->sendCommand(cmd, arg1, arg2); 86065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 86165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 86265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 86365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 86465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::enableMsgType(int32_t msgType) { 86565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_or(msgType, &mMsgEnabled); 86665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->enableMsgType(msgType); 86765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 86865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 86965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::disableMsgType(int32_t msgType) { 87065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_and(~msgType, &mMsgEnabled); 87165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->disableMsgType(msgType); 87265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 87365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 87465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define CHECK_MESSAGE_INTERVAL 10 // 10ms 87565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool CameraService::Client::lockIfMessageWanted(int32_t msgType) { 87665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int sleepCount = 0; 87765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (mMsgEnabled & msgType) { 87865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mLock.tryLock() == NO_ERROR) { 87965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (sleepCount > 0) { 88065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("lockIfMessageWanted(%d): waited for %d ms", 88165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian msgType, sleepCount * CHECK_MESSAGE_INTERVAL); 88265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 88365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return true; 88465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 88565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (sleepCount++ == 0) { 88665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("lockIfMessageWanted(%d): enter sleep", msgType); 88765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 88865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian usleep(CHECK_MESSAGE_INTERVAL * 1000); 88965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 89065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGW("lockIfMessageWanted(%d): dropped unwanted message", msgType); 89165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return false; 89265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 89365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 89465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 89565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 89665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Converts from a raw pointer to the client to a strong pointer during a 89765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// hardware callback. This requires the callbacks only happen when the client 89865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// is still alive. 89965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiansp<CameraService::Client> CameraService::Client::getClientFromCookie(void* user) { 90065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = gCameraService->getClientById((int) user); 90165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 90265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // This could happen if the Client is in the process of shutting down (the 90365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // last strong reference is gone, but the destructor hasn't finished 90465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // stopping the hardware). 90565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) return NULL; 90665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 90765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // The checks below are not necessary and are for debugging only. 90865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client->mCameraService.get() != gCameraService) { 90965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("mismatch service!"); 91065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 91165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 91265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 91365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client->mHardware == 0) { 91465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("mHardware == 0: callback after disconnect()?"); 91565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 91665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 91765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 91865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return client; 91965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 92065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 92165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Callback messages can be dispatched to internal handlers or pass to our 92265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// client's callback functions, depending on the message type. 92365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// 92465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// notifyCallback: 92565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// CAMERA_MSG_SHUTTER handleShutter 92665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// (others) c->notifyCallback 92765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// dataCallback: 92865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// CAMERA_MSG_PREVIEW_FRAME handlePreviewData 92965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// CAMERA_MSG_POSTVIEW_FRAME handlePostview 93065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// CAMERA_MSG_RAW_IMAGE handleRawPicture 93165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// CAMERA_MSG_COMPRESSED_IMAGE handleCompressedPicture 93265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// (others) c->dataCallback 93365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// dataCallbackTimestamp 93465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// (others) c->dataCallbackTimestamp 93565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// 93665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// NOTE: the *Callback functions grab mLock of the client before passing 93765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// control to handle* functions. So the handle* functions must release the 93865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// lock before calling the ICameraClient's callbacks, so those callbacks can 93965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// invoke methods in the Client class again (For example, the preview frame 94065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// callback may want to releaseRecordingFrame). The handle* functions must 94165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// release the lock after all accesses to member variables, so it must be 94265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// handled very carefully. 94365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 94465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::notifyCallback(int32_t msgType, int32_t ext1, 94565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t ext2, void* user) { 94665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("notifyCallback(%d)", msgType); 94765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 94865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = getClientFromCookie(user); 94965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) return; 95065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!client->lockIfMessageWanted(msgType)) return; 95165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 95265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (msgType) { 95365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_MSG_SHUTTER: 95465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ext1 is the dimension of the yuv picture. 955108dddf924d714c811dd565b8f4c7a0178cca2f2Iliyan Malchev client->handleShutter(); 95665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 95765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian default: 95865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleGenericNotify(msgType, ext1, ext2); 95965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 96065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 96165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 96265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 96365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::dataCallback(int32_t msgType, 96465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const sp<IMemory>& dataPtr, void* user) { 96565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("dataCallback(%d)", msgType); 96665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 96765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = getClientFromCookie(user); 96865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) return; 96965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!client->lockIfMessageWanted(msgType)) return; 97065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 97165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (dataPtr == 0) { 97265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("Null data returned in data callback"); 97365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleGenericNotify(CAMERA_MSG_ERROR, UNKNOWN_ERROR, 0); 97465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 97565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 97665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 97765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (msgType) { 97865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_MSG_PREVIEW_FRAME: 97965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handlePreviewData(dataPtr); 98065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 98165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_MSG_POSTVIEW_FRAME: 98265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handlePostview(dataPtr); 98365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 98465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_MSG_RAW_IMAGE: 98565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleRawPicture(dataPtr); 98665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 98765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_MSG_COMPRESSED_IMAGE: 98865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleCompressedPicture(dataPtr); 98965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 99065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian default: 99165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleGenericData(msgType, dataPtr); 99265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 99365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 99465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 99565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 99665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::dataCallbackTimestamp(nsecs_t timestamp, 99765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t msgType, const sp<IMemory>& dataPtr, void* user) { 99865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("dataCallbackTimestamp(%d)", msgType); 99965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 100065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = getClientFromCookie(user); 100165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) return; 1002986ef2ad4c96952711d87af481f3afb40aa10775James Dong if (!client->lockIfMessageWanted(msgType)) return; 100365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 100465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (dataPtr == 0) { 100565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("Null data returned in data with timestamp callback"); 100665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleGenericNotify(CAMERA_MSG_ERROR, UNKNOWN_ERROR, 0); 100765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 100865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 100965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 101065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleGenericDataTimestamp(timestamp, msgType, dataPtr); 101165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 101265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 101365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// snapshot taken callback 1014108dddf924d714c811dd565b8f4c7a0178cca2f2Iliyan Malchevvoid CameraService::Client::handleShutter(void) { 1015b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra if (mPlayShutterSound) { 1016b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra mCameraService->playSound(SOUND_SHUTTER); 1017b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } 101865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 101965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 102065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 102165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 102265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->notifyCallback(CAMERA_MSG_SHUTTER, 0, 0); 102365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!lockIfMessageWanted(CAMERA_MSG_SHUTTER)) return; 102465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 102565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_SHUTTER); 102665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 102765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 102865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 102965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 103065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// preview callback - frame buffer update 103165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handlePreviewData(const sp<IMemory>& mem) { 103265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ssize_t offset; 103365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t size; 103465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<IMemoryHeap> heap = mem->getMemory(&offset, &size); 103565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 103665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // local copy of the callback flags 103765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int flags = mPreviewCallbackFlag; 103865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 103965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // is callback enabled? 10409e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev if (!(flags & CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK)) { 104165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // If the enable bit is off, the copy-out and one-shot bits are ignored 104265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("frame callback is disabled"); 104365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 104465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 104565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 104665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 104765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // hold a strong pointer to the client 104865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 104965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // clear callback flags if no client or one-shot mode 10519e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev if (c == 0 || (mPreviewCallbackFlag & CAMERA_FRAME_CALLBACK_FLAG_ONE_SHOT_MASK)) { 105265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("Disable preview callback"); 10539e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev mPreviewCallbackFlag &= ~(CAMERA_FRAME_CALLBACK_FLAG_ONE_SHOT_MASK | 10549e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev CAMERA_FRAME_CALLBACK_FLAG_COPY_OUT_MASK | 10559e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK); 10560667de7038238c31af77865eb6d83c5ae9ca1b1eWu-cheng Li disableMsgType(CAMERA_MSG_PREVIEW_FRAME); 105765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 105865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 106065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Is the received frame copied out or not? 10619e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev if (flags & CAMERA_FRAME_CALLBACK_FLAG_COPY_OUT_MASK) { 106265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("frame is copied"); 106365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian copyFrameAndPostCopiedFrame(c, heap, offset, size); 106465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 106565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("frame is forwarded"); 106665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 106765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->dataCallback(CAMERA_MSG_PREVIEW_FRAME, mem); 106865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 106965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 107065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 107165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 107265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 107365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 107465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// picture callback - postview image ready 107565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handlePostview(const sp<IMemory>& mem) { 107665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_POSTVIEW_FRAME); 107765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 107865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 107965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 108065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 108165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->dataCallback(CAMERA_MSG_POSTVIEW_FRAME, mem); 108265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 108365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 108465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 108565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// picture callback - raw image ready 108665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handleRawPicture(const sp<IMemory>& mem) { 108765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_RAW_IMAGE); 108865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 108965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ssize_t offset; 109065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t size; 109165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<IMemoryHeap> heap = mem->getMemory(&offset, &size); 109265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 109365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 109465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 109565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 109665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->dataCallback(CAMERA_MSG_RAW_IMAGE, mem); 109765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 109865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 109965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 110065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// picture callback - compressed picture ready 110165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handleCompressedPicture(const sp<IMemory>& mem) { 110265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_COMPRESSED_IMAGE); 110365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 110465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 110565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 110665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 110765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->dataCallback(CAMERA_MSG_COMPRESSED_IMAGE, mem); 110865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 110965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 111065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 111165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 111265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handleGenericNotify(int32_t msgType, 111365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t ext1, int32_t ext2) { 111465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 111565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 111665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 111765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->notifyCallback(msgType, ext1, ext2); 111865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 111965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 112065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 112165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handleGenericData(int32_t msgType, 112265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const sp<IMemory>& dataPtr) { 112365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 112465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 112565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 112665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->dataCallback(msgType, dataPtr); 112765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 112865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 112965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 113065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handleGenericDataTimestamp(nsecs_t timestamp, 113165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t msgType, const sp<IMemory>& dataPtr) { 113265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 113365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 113465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 113565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->dataCallbackTimestamp(timestamp, msgType, dataPtr); 113665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 113765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 113865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 113965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::copyFrameAndPostCopiedFrame( 114065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const sp<ICameraClient>& client, const sp<IMemoryHeap>& heap, 114165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t offset, size_t size) { 114265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("copyFrameAndPostCopiedFrame"); 114365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // It is necessary to copy out of pmem before sending this to 114465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // the callback. For efficiency, reuse the same MemoryHeapBase 114565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // provided it's big enough. Don't allocate the memory or 114665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // perform the copy if there's no callback. 114765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // hold the preview lock while we grab a reference to the preview buffer 114865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<MemoryHeapBase> previewBuffer; 114965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 115065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mPreviewBuffer == 0) { 115165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewBuffer = new MemoryHeapBase(size, 0, NULL); 115265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else if (size > mPreviewBuffer->virtualSize()) { 115365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewBuffer.clear(); 115465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewBuffer = new MemoryHeapBase(size, 0, NULL); 115565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 115665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mPreviewBuffer == 0) { 115765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("failed to allocate space for preview buffer"); 115865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 115965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 116065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 116165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian previewBuffer = mPreviewBuffer; 116265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 116365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memcpy(previewBuffer->base(), (uint8_t *)heap->base() + offset, size); 116465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 116565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<MemoryBase> frame = new MemoryBase(previewBuffer, 0, size); 116665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frame == 0) { 116765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("failed to allocate space for frame callback"); 116865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 116965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 117065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 117165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 117265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 117365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->dataCallback(CAMERA_MSG_PREVIEW_FRAME, frame); 117465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 117565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1176e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Liint CameraService::Client::getOrientation(int degrees, bool mirror) { 1177e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li if (!mirror) { 1178e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li if (degrees == 0) return 0; 1179e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li else if (degrees == 90) return HAL_TRANSFORM_ROT_90; 1180e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li else if (degrees == 180) return HAL_TRANSFORM_ROT_180; 1181e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li else if (degrees == 270) return HAL_TRANSFORM_ROT_270; 1182e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } else { // Do mirror (horizontal flip) 1183e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li if (degrees == 0) { // FLIP_H and ROT_0 1184e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li return HAL_TRANSFORM_FLIP_H; 1185e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } else if (degrees == 90) { // FLIP_H and ROT_90 1186e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li return HAL_TRANSFORM_FLIP_H | HAL_TRANSFORM_ROT_90; 1187e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } else if (degrees == 180) { // FLIP_H and ROT_180 1188e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li return HAL_TRANSFORM_FLIP_V; 1189e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } else if (degrees == 270) { // FLIP_H and ROT_270 1190e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li return HAL_TRANSFORM_FLIP_V | HAL_TRANSFORM_ROT_90; 1191e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } 1192e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } 1193e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li LOGE("Invalid setDisplayOrientation degrees=%d", degrees); 1194e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li return -1; 1195e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li} 1196e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li 1197e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li 119865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 119965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 120065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const int kDumpLockRetries = 50; 120165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const int kDumpLockSleep = 60000; 120265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 120365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic bool tryLock(Mutex& mutex) 120465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 120565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = false; 120665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < kDumpLockRetries; ++i) { 120765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mutex.tryLock() == NO_ERROR) { 120865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian locked = true; 120965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 121065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 121165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian usleep(kDumpLockSleep); 121265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 121365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return locked; 121465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 121565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 121665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::dump(int fd, const Vector<String16>& args) { 121765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian static const char* kDeadlockedString = "CameraService may be deadlocked\n"; 121865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 121965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const size_t SIZE = 256; 122065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian char buffer[SIZE]; 122165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 result; 122265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 122365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian snprintf(buffer, SIZE, "Permission Denial: " 122465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't dump CameraService from pid=%d, uid=%d\n", 122565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian getCallingPid(), 122665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian getCallingUid()); 122765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append(buffer); 122865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 122965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 123065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = tryLock(mServiceLock); 123165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // failed to lock - CameraService is probably deadlocked 123265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!locked) { 123365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 result(kDeadlockedString); 123465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 123565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 123665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 123765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool hasClient = false; 123865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 123965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = mClient[i].promote(); 124065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) continue; 124165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian hasClient = true; 124265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sprintf(buffer, "Client[%d] (%p) PID: %d\n", 124365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i, 124465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->getCameraClient()->asBinder().get(), 124565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->mClientPid); 124665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append(buffer); 124765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 124865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->mHardware->dump(fd, args); 124965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 125065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!hasClient) { 125165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append("No camera client yet.\n"); 125265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 125365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 125465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 125565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (locked) mServiceLock.unlock(); 125665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 125765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // change logging level 125865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int n = args.size(); 125965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i + 1 < n; i++) { 126065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (args[i] == String16("-v")) { 126165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 levelStr(args[i+1]); 126265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int level = atoi(levelStr.string()); 126365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sprintf(buffer, "Set Log Level to %d", level); 126465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append(buffer); 126565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian setLogLevel(level); 126665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 126765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 126865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 126965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 127065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 127165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 127265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; // namespace android 1273