CameraService.cpp revision 8b1027d3f873fc15c70f8645f1856936b69241a4
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" 1965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <stdio.h> 2165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <sys/types.h> 2265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <pthread.h> 2365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/IPCThreadState.h> 2565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/IServiceManager.h> 2665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/MemoryBase.h> 2765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/MemoryHeapBase.h> 2865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <cutils/atomic.h> 29b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra#include <cutils/properties.h> 30bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis#include <gui/SurfaceTextureClient.h> 3165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <hardware/hardware.h> 3265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/AudioSystem.h> 3365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/mediaplayer.h> 3465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <surfaceflinger/ISurface.h> 3565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Errors.h> 3665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Log.h> 3765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/String16.h> 3865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include "CameraService.h" 4065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 4265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 4465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Logging support -- this is for debugging only 4565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Use "adb shell dumpsys media.camera -v 1" to change it. 4665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic volatile int32_t gLogLevel = 0; 4765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define LOG1(...) LOGD_IF(gLogLevel >= 1, __VA_ARGS__); 4965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define LOG2(...) LOGD_IF(gLogLevel >= 2, __VA_ARGS__); 5065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic void setLogLevel(int level) { 5265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(level, &gLogLevel); 5365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 5465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 5665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic int getCallingPid() { 5865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return IPCThreadState::self()->getCallingPid(); 5965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 6065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic int getCallingUid() { 6265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return IPCThreadState::self()->getCallingUid(); 6365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 6465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 6665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// This is ugly and only safe if we never re-create the CameraService, but 6865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// should be ok for now. 6965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic CameraService *gCameraService; 7065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 7165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::CameraService() 7265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian:mSoundRef(0) 7365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 7465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGI("CameraService started (pid=%d)", getpid()); 7565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 7665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mNumberOfCameras = HAL_getNumberOfCameras(); 7765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mNumberOfCameras > MAX_CAMERAS) { 7865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("Number of cameras(%d) > MAX_CAMERAS(%d).", 7965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mNumberOfCameras, MAX_CAMERAS); 8065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mNumberOfCameras = MAX_CAMERAS; 8165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 8265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 8365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 8465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian setCameraFree(i); 8565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 8665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 8765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian gCameraService = this; 8865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 8965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 9065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::~CameraService() { 9165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 9265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mBusy[i]) { 9365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("camera %d is still in use in destructor!", i); 9465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 9565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 9665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 9765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian gCameraService = NULL; 9865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 9965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 10065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianint32_t CameraService::getNumberOfCameras() { 10165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mNumberOfCameras; 10265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 10365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 10465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::getCameraInfo(int cameraId, 10565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian struct CameraInfo* cameraInfo) { 10665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) { 10765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BAD_VALUE; 10865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian HAL_getCameraInfo(cameraId, cameraInfo); 11165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return OK; 11265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 11365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiansp<ICamera> CameraService::connect( 11565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const sp<ICameraClient>& cameraClient, int cameraId) { 11665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 11765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::connect E (pid %d, id %d)", callingPid, cameraId); 11865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client; 12065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) { 12165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("CameraService::connect X (pid %d) rejected (invalid cameraId %d).", 12265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian callingPid, cameraId); 12365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 12465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 12565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 12665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mServiceLock); 12765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClient[cameraId] != 0) { 12865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client = mClient[cameraId].promote(); 12965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client != 0) { 13065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraClient->asBinder() == client->getCameraClient()->asBinder()) { 13165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::connect X (pid %d) (the same client)", 13265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian callingPid); 13365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return client; 13465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 13565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGW("CameraService::connect X (pid %d) rejected (existing client).", 13665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian callingPid); 13765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 13865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 13965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 14065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[cameraId].clear(); 14165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 14265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 14365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mBusy[cameraId]) { 14465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGW("CameraService::connect X (pid %d) rejected" 14565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian " (camera %d is still busy).", callingPid, cameraId); 14665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 14765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 14865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 149b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li sp<CameraHardwareInterface> hardware = HAL_openCameraHardware(cameraId); 150b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li if (hardware == NULL) { 151b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li LOGE("Fail to open camera hardware (id=%d)", cameraId); 152b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li return NULL; 153b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li } 154e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li CameraInfo info; 155e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li HAL_getCameraInfo(cameraId, &info); 156e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li client = new Client(this, cameraClient, hardware, cameraId, info.facing, 157e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li callingPid); 15865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[cameraId] = client; 15965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::connect X"); 16065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return client; 16165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 16265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 16365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::removeClient(const sp<ICameraClient>& cameraClient) { 16465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 16565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::removeClient E (pid %d)", callingPid); 16665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 16765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 16865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Declare this before the lock to make absolutely sure the 16965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // destructor won't be called with the lock held. 17065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client; 17165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 17265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mServiceLock); 17365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 17465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // This happens when we have already disconnected (or this is 17565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // just another unused camera). 17665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClient[i] == 0) continue; 17765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 17865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Promote mClient. It can fail if we are called from this path: 17965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Client::~Client() -> disconnect() -> removeClient(). 18065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client = mClient[i].promote(); 18165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 18265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) { 18365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[i].clear(); 18465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian continue; 18565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 18665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 18765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraClient->asBinder() == client->getCameraClient()->asBinder()) { 18865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Found our camera, clear and leave. 18965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("removeClient: clear camera %d", i); 19065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[i].clear(); 19165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 19265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 19365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 19465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 19565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::removeClient X (pid %d)", callingPid); 19665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 19765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 19865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiansp<CameraService::Client> CameraService::getClientById(int cameraId) { 19965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) return NULL; 20065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mClient[cameraId].promote(); 20165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 20265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 20365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::onTransact( 20465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) { 20565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Permission checks 20665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (code) { 20765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case BnCameraService::CONNECT: 20865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int pid = getCallingPid(); 20965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int self_pid = getpid(); 21065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (pid != self_pid) { 21165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // we're called from a different process, do the real check 21265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!checkCallingPermission( 21365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String16("android.permission.CAMERA"))) { 21465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int uid = getCallingUid(); 21565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("Permission Denial: " 21665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't use the camera pid=%d, uid=%d", pid, uid); 21765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return PERMISSION_DENIED; 21865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 21965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 22065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 22165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 22265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 22365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BnCameraService::onTransact(code, data, reply, flags); 22465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 22565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 22665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// The reason we need this busy bit is a new CameraService::connect() request 22765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// may come in while the previous Client's destructor has not been run or is 22865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// still running. If the last strong reference of the previous Client is gone 22965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// but the destructor has not been finished, we should not allow the new Client 23065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// to be created because we need to wait for the previous Client to tear down 23165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// the hardware first. 23265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::setCameraBusy(int cameraId) { 23365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(1, &mBusy[cameraId]); 23465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 23565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 23665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::setCameraFree(int cameraId) { 23765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(0, &mBusy[cameraId]); 23865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 23965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 24065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// We share the media players for shutter and recording sound for all clients. 24165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// A reference count is kept to determine when we will actually release the 24265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// media players. 24365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 24465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic MediaPlayer* newMediaPlayer(const char *file) { 24565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian MediaPlayer* mp = new MediaPlayer(); 24665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mp->setDataSource(file, NULL) == NO_ERROR) { 24765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mp->setAudioStreamType(AudioSystem::ENFORCED_AUDIBLE); 24865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mp->prepare(); 24965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 25065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("Failed to load CameraService sounds: %s", file); 25165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 25265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 25365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mp; 25465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 25565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 25665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::loadSound() { 25765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 25865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::loadSound ref=%d", mSoundRef); 25965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSoundRef++) return; 26065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 26165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[SOUND_SHUTTER] = newMediaPlayer("/system/media/audio/ui/camera_click.ogg"); 26265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[SOUND_RECORDING] = newMediaPlayer("/system/media/audio/ui/VideoRecord.ogg"); 26365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 26465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 26565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::releaseSound() { 26665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 26765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::releaseSound ref=%d", mSoundRef); 26865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (--mSoundRef) return; 26965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 27065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < NUM_SOUNDS; i++) { 27165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSoundPlayer[i] != 0) { 27265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[i]->disconnect(); 27365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[i].clear(); 27465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 27565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 27665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 27765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 27865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::playSound(sound_kind kind) { 27965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("playSound(%d)", kind); 28065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 28165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<MediaPlayer> player = mSoundPlayer[kind]; 28265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (player != 0) { 28365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // do not play the sound if stream volume is 0 28465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // (typically because ringer mode is silent). 28565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int index; 28665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioSystem::getStreamVolumeIndex(AudioSystem::ENFORCED_AUDIBLE, &index); 28765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (index != 0) { 28865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian player->seekTo(0); 28965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian player->start(); 29065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 29165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 29265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 29365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 29465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 29565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 29665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::Client::Client(const sp<CameraService>& cameraService, 297b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li const sp<ICameraClient>& cameraClient, 298b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li const sp<CameraHardwareInterface>& hardware, 299e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li int cameraId, int cameraFacing, int clientPid) { 30065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 30165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("Client::Client E (pid %d)", callingPid); 30265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 30365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService = cameraService; 30465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraClient = cameraClient; 305b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li mHardware = hardware; 30665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraId = cameraId; 307e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li mCameraFacing = cameraFacing; 30865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid = clientPid; 30965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mMsgEnabled = 0; 310bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis mSurface = 0; 311bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis mPreviewWindow = 0; 31265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->setCallbacks(notifyCallback, 31365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian dataCallback, 31465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian dataCallbackTimestamp, 31565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (void *)cameraId); 31665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 31765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Enable zoom, error, and focus messages by default 31865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enableMsgType(CAMERA_MSG_ERROR | 31965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian CAMERA_MSG_ZOOM | 32065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian CAMERA_MSG_FOCUS); 32165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 32265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Callback is disabled by default 32365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewCallbackFlag = FRAME_CALLBACK_FLAG_NOOP; 324e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li mOrientation = getOrientation(0, mCameraFacing == CAMERA_FACING_FRONT); 325b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra mPlayShutterSound = true; 32665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian cameraService->setCameraBusy(cameraId); 32765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian cameraService->loadSound(); 32865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("Client::Client X (pid %d)", callingPid); 32965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 33065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 33165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// tear down the client 33265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::Client::~Client() { 33365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 33465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("Client::~Client E (pid %d, this %p)", callingPid, this); 33565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 33665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // set mClientPid to let disconnet() tear down the hardware 33765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid = callingPid; 33865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disconnect(); 33965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService->releaseSound(); 34065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("Client::~Client X (pid %d, this %p)", callingPid, this); 34165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 34265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 34465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::checkPid() const { 34665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 34765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (callingPid == mClientPid) return NO_ERROR; 34865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 34965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGW("attempt to use a locked camera from a different process" 35065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian " (old pid %d, new pid %d)", mClientPid, callingPid); 35165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return EBUSY; 35265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 35365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::checkPidAndHardware() const { 35565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPid(); 35665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 35765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware == 0) { 35865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("attempt to use a camera after disconnect() (pid %d)", getCallingPid()); 35965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return INVALID_OPERATION; 36065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 36165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 36265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 36365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 36465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::lock() { 36565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 36665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("lock (pid %d)", callingPid); 36765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 36865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 36965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // lock camera to this client if the the camera is unlocked 37065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClientPid == 0) { 37165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid = callingPid; 37265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 37365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 37465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 37565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // returns NO_ERROR if the client already owns the camera, EBUSY otherwise 37665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return checkPid(); 37765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 37865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 37965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::unlock() { 38065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 38165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("unlock (pid %d)", callingPid); 38265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 38365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 38465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // allow anyone to use camera (after they lock the camera) 38565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPid(); 38665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result == NO_ERROR) { 38765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid = 0; 38865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("clear mCameraClient (pid %d)", callingPid); 38965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // we need to remove the reference to ICameraClient so that when the app 39065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // goes away, the reference count goes to 0. 39165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraClient.clear(); 39265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 39365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 39465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 39565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 39665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// connect a new client to the camera 39765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::connect(const sp<ICameraClient>& client) { 39865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 39965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("connect E (pid %d)", callingPid); 40065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 40165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 40265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClientPid != 0 && checkPid() != NO_ERROR) { 40365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGW("Tried to connect to a locked camera (old pid %d, new pid %d)", 40465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid, callingPid); 40565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return EBUSY; 40665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 40765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 40865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mCameraClient != 0 && (client->asBinder() == mCameraClient->asBinder())) { 40965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("Connect to the same client"); 41065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 41165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 41265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 41365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewCallbackFlag = FRAME_CALLBACK_FLAG_NOOP; 41465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid = callingPid; 41565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraClient = client; 41665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 41765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("connect X (pid %d)", callingPid); 41865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 41965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 42065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 42165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::disconnect() { 42265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 42365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("disconnect E (pid %d)", callingPid); 42465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 42565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 42665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPid() != NO_ERROR) { 42765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGW("different client - don't disconnect"); 42865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 42965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 43165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClientPid <= 0) { 43265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("camera is unlocked (mClientPid = %d), don't tear down hardware", mClientPid); 43365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 43465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 43665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Make sure disconnect() is done once and once only, whether it is called 43765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // from the user directly, or called by the destructor. 43865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware == 0) return; 43965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 44065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("hardware teardown"); 44165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Before destroying mHardware, we must make sure it's in the 44265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // idle state. 44365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Turn off all messages. 44465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_ALL_MSGS); 44565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->stopPreview(); 44665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->cancelPicture(); 44765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Release the hardware resources. 44865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->release(); 44903dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian 4504b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis // Release the held ANativeWindow resources. 4514b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis if (mPreviewWindow != 0) { 4524b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis mPreviewWindow = 0; 4534b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis mHardware->setPreviewWindow(mPreviewWindow); 4544b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis } 45565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware.clear(); 45665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 45765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService->removeClient(mCameraClient); 45865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService->setCameraFree(mCameraId); 45965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 46065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("disconnect X (pid %d)", callingPid); 46165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 46265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 46365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 46465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4654b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis// set the Surface that the preview will use 4664b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennisstatus_t CameraService::Client::setPreviewDisplay(const sp<Surface>& surface) { 46765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("setPreviewDisplay(%p) (pid %d)", surface.get(), getCallingPid()); 46865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 46965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 47065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 47165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 47265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result = NO_ERROR; 47365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 47465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // return if no change in surface. 4758b1027d3f873fc15c70f8645f1856936b69241a4Mathias Agopian sp<IBinder> binder(surface != 0 ? surface->asBinder() : 0); 4768b1027d3f873fc15c70f8645f1856936b69241a4Mathias Agopian if (binder == mSurface) { 47765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 47865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 47965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 48065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSurface != 0) { 48165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("clearing old preview surface %p", mSurface.get()); 48265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 4838b1027d3f873fc15c70f8645f1856936b69241a4Mathias Agopian mSurface = binder; 4844b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis mPreviewWindow = surface; 485bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis 48603dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian // If preview has been already started, register preview 48765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // buffers now. 48865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware->previewEnabled()) { 48903dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian if (mPreviewWindow != 0) { 490012716a857641a977afd16ff6be4bf66fc403884Wu-cheng Li native_window_set_buffers_transform(mPreviewWindow.get(), 491e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li mOrientation); 4924b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis result = mHardware->setPreviewWindow(mPreviewWindow); 49365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 49465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 49565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 49665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 49765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 49865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 499bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis// set the SurfaceTexture that the preview will use 500bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennisstatus_t CameraService::Client::setPreviewTexture( 501bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis const sp<ISurfaceTexture>& surfaceTexture) { 502bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis LOG1("setPreviewTexture(%p) (pid %d)", surfaceTexture.get(), 503bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis getCallingPid()); 504bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis Mutex::Autolock lock(mLock); 505bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis status_t result = checkPidAndHardware(); 506bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis if (result != NO_ERROR) return result; 507bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis 508bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis // return if no change in surface. 509bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis // asBinder() is safe on NULL (returns NULL) 510bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis if (surfaceTexture->asBinder() == mSurface) { 511bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis return result; 512bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis } 513bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis 514bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis if (mSurface != 0) { 515bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis LOG1("clearing old preview surface %p", mSurface.get()); 516bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis } 517bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis mSurface = surfaceTexture->asBinder(); 518bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis if (surfaceTexture != 0) { 519bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis mPreviewWindow = new SurfaceTextureClient(surfaceTexture); 520bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis } else { 521bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis mPreviewWindow = 0; 522bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis } 523bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis 524bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis // If preview has been already started, set overlay or register preview 525bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis // buffers now. 526bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis if (mHardware->previewEnabled()) { 527bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis // XXX: What if the new preview window is 0? 528bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis if (mPreviewWindow != 0) { 529bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis native_window_set_buffers_transform(mPreviewWindow.get(), 530bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis mOrientation); 531bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis result = mHardware->setPreviewWindow(mPreviewWindow); 532bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis } 533bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis } 534bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis 535bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis return result; 536bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis} 537bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis 53865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// set the preview callback flag to affect how the received frames from 53965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// preview are handled. 54065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::setPreviewCallbackFlag(int callback_flag) { 54165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("setPreviewCallbackFlag(%d) (pid %d)", callback_flag, getCallingPid()); 54265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 54365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return; 54465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 54565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewCallbackFlag = callback_flag; 5460667de7038238c31af77865eb6d83c5ae9ca1b1eWu-cheng Li if (mPreviewCallbackFlag & FRAME_CALLBACK_FLAG_ENABLE_MASK) { 5470667de7038238c31af77865eb6d83c5ae9ca1b1eWu-cheng Li enableMsgType(CAMERA_MSG_PREVIEW_FRAME); 5480667de7038238c31af77865eb6d83c5ae9ca1b1eWu-cheng Li } else { 5490667de7038238c31af77865eb6d83c5ae9ca1b1eWu-cheng Li disableMsgType(CAMERA_MSG_PREVIEW_FRAME); 55065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 55165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 55265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 55365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// start preview mode 55465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::startPreview() { 55565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("startPreview (pid %d)", getCallingPid()); 55665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return startCameraMode(CAMERA_PREVIEW_MODE); 55765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 55865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 55965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// start recording mode 56065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::startRecording() { 56165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("startRecording (pid %d)", getCallingPid()); 56265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return startCameraMode(CAMERA_RECORDING_MODE); 56365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 56465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 56565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// start preview or recording 56665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::startCameraMode(camera_mode mode) { 56765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("startCameraMode(%d)", mode); 56865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 56965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 57065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 57165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 57265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch(mode) { 57365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_PREVIEW_MODE: 5744b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis if (mSurface == 0 && mPreviewWindow == 0) { 57565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("mSurface is not set yet."); 57665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // still able to start preview in this case. 57765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 57865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return startPreviewMode(); 57965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_RECORDING_MODE: 5804b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis if (mSurface == 0 && mPreviewWindow == 0) { 5814b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis LOGE("mSurface or mPreviewWindow must be set before startRecordingMode."); 58265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return INVALID_OPERATION; 58365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 58465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return startRecordingMode(); 58565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian default: 58665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return UNKNOWN_ERROR; 58765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 58865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 58965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 59065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::startPreviewMode() { 59165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("startPreviewMode"); 59265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = NO_ERROR; 59365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 59465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // if preview has been enabled, nothing needs to be done 59565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware->previewEnabled()) { 59665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 59765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 59865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 59903dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian if (mPreviewWindow != 0) { 60003dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian native_window_set_buffers_transform(mPreviewWindow.get(), 60103dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian mOrientation); 60265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 60303dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian mHardware->setPreviewWindow(mPreviewWindow); 60403dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian result = mHardware->startPreview(); 60503dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian 60665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 60765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 60865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 60965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::startRecordingMode() { 61065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("startRecordingMode"); 61165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = NO_ERROR; 61265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 61365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // if recording has been enabled, nothing needs to be done 61465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware->recordingEnabled()) { 61565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 61665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 61765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 61865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // if preview has not been started, start preview first 61965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!mHardware->previewEnabled()) { 62065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result = startPreviewMode(); 62165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) { 62265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 62365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 62465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 62565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 62665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // start recording mode 62765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enableMsgType(CAMERA_MSG_VIDEO_FRAME); 62865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService->playSound(SOUND_RECORDING); 62965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result = mHardware->startRecording(); 63065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) { 63165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("mHardware->startRecording() failed with status %d", result); 63265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 63365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 63465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 63565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 63665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// stop preview mode 63765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::stopPreview() { 63865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("stopPreview (pid %d)", getCallingPid()); 63965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 64065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return; 64165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6424b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis 64365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_PREVIEW_FRAME); 64465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->stopPreview(); 64565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 64665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewBuffer.clear(); 64765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 64865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 64965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// stop recording mode 65065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::stopRecording() { 65165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("stopRecording (pid %d)", getCallingPid()); 65265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 65365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return; 65465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 65565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService->playSound(SOUND_RECORDING); 65665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_VIDEO_FRAME); 65765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->stopRecording(); 65865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 65965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewBuffer.clear(); 66065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 66165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 66265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// release a recording frame 66365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::releaseRecordingFrame(const sp<IMemory>& mem) { 66465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 66565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return; 66665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->releaseRecordingFrame(mem); 66765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 66865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 669e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dongstatus_t CameraService::Client::storeMetaDataInBuffers(bool enabled) 670e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong{ 671e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong LOG1("storeMetaDataInBuffers: %s", enabled? "true": "false"); 672e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong Mutex::Autolock lock(mLock); 673e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong if (checkPidAndHardware() != NO_ERROR) { 674e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong return UNKNOWN_ERROR; 675e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong } 676e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong return mHardware->storeMetaDataInBuffers(enabled); 677e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong} 678e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong 67965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool CameraService::Client::previewEnabled() { 68065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("previewEnabled (pid %d)", getCallingPid()); 68165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 68265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 68365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return false; 68465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->previewEnabled(); 68565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 68665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 68765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool CameraService::Client::recordingEnabled() { 68865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("recordingEnabled (pid %d)", getCallingPid()); 68965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 69065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 69165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return false; 69265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->recordingEnabled(); 69365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 69465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 69565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::autoFocus() { 69665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("autoFocus (pid %d)", getCallingPid()); 69765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 69865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 69965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 70065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 70165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 70265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->autoFocus(); 70365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 70465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 70565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::cancelAutoFocus() { 70665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("cancelAutoFocus (pid %d)", getCallingPid()); 70765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 70865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 70965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 71065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 71165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 71265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->cancelAutoFocus(); 71365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 71465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 71565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// take a picture - image is returned in callback 716e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dongstatus_t CameraService::Client::takePicture(int msgType) { 717e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong LOG1("takePicture (pid %d): 0x%x", getCallingPid(), msgType); 71865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 71965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 72065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 72165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 72265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 723e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong if ((msgType & CAMERA_MSG_RAW_IMAGE) && 724e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong (msgType & CAMERA_MSG_RAW_IMAGE_NOTIFY)) { 725e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong LOGE("CAMERA_MSG_RAW_IMAGE and CAMERA_MSG_RAW_IMAGE_NOTIFY" 726e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong " cannot be both enabled"); 727e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong return BAD_VALUE; 728e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong } 729e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong 730e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong // We only accept picture related message types 731e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong // and ignore other types of messages for takePicture(). 732e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong int picMsgType = msgType 733e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong & (CAMERA_MSG_SHUTTER | 734e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong CAMERA_MSG_POSTVIEW_FRAME | 735e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong CAMERA_MSG_RAW_IMAGE | 736e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong CAMERA_MSG_RAW_IMAGE_NOTIFY | 737e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong CAMERA_MSG_COMPRESSED_IMAGE); 738e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong 739e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong enableMsgType(picMsgType); 74065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->takePicture(); 74265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 74365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// set preview/capture parameters - key/value pairs 74565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::setParameters(const String8& params) { 74665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("setParameters (pid %d) (%s)", getCallingPid(), params.string()); 74765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 74965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 75065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 75165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 75265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian CameraParameters p(params); 75365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->setParameters(p); 75465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 75565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 75665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// get preview/capture parameters - key/value pairs 75765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianString8 CameraService::Client::getParameters() const { 75865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 75965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return String8(); 76065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 76165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 params(mHardware->getParameters().flatten()); 76265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("getParameters (pid %d) (%s)", getCallingPid(), params.string()); 76365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return params; 76465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 76565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 766b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra// enable shutter sound 767b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatrastatus_t CameraService::Client::enableShutterSound(bool enable) { 768b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra LOG1("enableShutterSound (pid %d)", getCallingPid()); 769b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra 770b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra status_t result = checkPidAndHardware(); 771b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra if (result != NO_ERROR) return result; 772b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra 773b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra if (enable) { 774b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra mPlayShutterSound = true; 775b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra return OK; 776b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } 777b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra 778b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra // Disabling shutter sound may not be allowed. In that case only 779b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra // allow the mediaserver process to disable the sound. 780b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra char value[PROPERTY_VALUE_MAX]; 781b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra property_get("ro.camera.sound.forced", value, "0"); 782b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra if (strcmp(value, "0") != 0) { 783b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra // Disabling shutter sound is not allowed. Deny if the current 784b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra // process is not mediaserver. 785b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra if (getCallingPid() != getpid()) { 786b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra LOGE("Failed to disable shutter sound. Permission denied (pid %d)", getCallingPid()); 787b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra return PERMISSION_DENIED; 788b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } 789b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } 790b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra 791b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra mPlayShutterSound = false; 792b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra return OK; 793b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra} 794b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra 79565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) { 79665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("sendCommand (pid %d)", getCallingPid()); 7974a73f3da3501db6e95473a4a653d6319c6d618e2Wu-cheng Li int orientation; 79865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 79965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 80065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 80165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 80265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cmd == CAMERA_CMD_SET_DISPLAY_ORIENTATION) { 80365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // The orientation cannot be set during preview. 80465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware->previewEnabled()) { 80565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return INVALID_OPERATION; 80665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 807e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li // Mirror the preview if the camera is front-facing. 808e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li orientation = getOrientation(arg1, mCameraFacing == CAMERA_FACING_FRONT); 809e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li if (orientation == -1) return BAD_VALUE; 810e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li 8114a73f3da3501db6e95473a4a653d6319c6d618e2Wu-cheng Li if (mOrientation != orientation) { 8124a73f3da3501db6e95473a4a653d6319c6d618e2Wu-cheng Li mOrientation = orientation; 8134a73f3da3501db6e95473a4a653d6319c6d618e2Wu-cheng Li } 81465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return OK; 815b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } else if (cmd == CAMERA_CMD_ENABLE_SHUTTER_SOUND) { 816b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra switch (arg1) { 817b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra case 0: 818b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra enableShutterSound(false); 819b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra break; 820b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra case 1: 821b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra enableShutterSound(true); 822b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra break; 823b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra default: 824b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra return BAD_VALUE; 825b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } 826b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra return OK; 8273b7b358d1a45844ca427626554ff81f472fd1583Nipun Kwatra } else if (cmd == CAMERA_CMD_PLAY_RECORDING_SOUND) { 8283b7b358d1a45844ca427626554ff81f472fd1583Nipun Kwatra mCameraService->playSound(SOUND_RECORDING); 82965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 83065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 83165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->sendCommand(cmd, arg1, arg2); 83265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 83365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 83465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 83565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 83665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::enableMsgType(int32_t msgType) { 83765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_or(msgType, &mMsgEnabled); 83865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->enableMsgType(msgType); 83965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 84065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 84165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::disableMsgType(int32_t msgType) { 84265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_and(~msgType, &mMsgEnabled); 84365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->disableMsgType(msgType); 84465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 84565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 84665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define CHECK_MESSAGE_INTERVAL 10 // 10ms 84765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool CameraService::Client::lockIfMessageWanted(int32_t msgType) { 84865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int sleepCount = 0; 84965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (mMsgEnabled & msgType) { 85065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mLock.tryLock() == NO_ERROR) { 85165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (sleepCount > 0) { 85265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("lockIfMessageWanted(%d): waited for %d ms", 85365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian msgType, sleepCount * CHECK_MESSAGE_INTERVAL); 85465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 85565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return true; 85665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 85765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (sleepCount++ == 0) { 85865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("lockIfMessageWanted(%d): enter sleep", msgType); 85965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 86065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian usleep(CHECK_MESSAGE_INTERVAL * 1000); 86165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 86265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGW("lockIfMessageWanted(%d): dropped unwanted message", msgType); 86365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return false; 86465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 86565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 86665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 86765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 86865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Converts from a raw pointer to the client to a strong pointer during a 86965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// hardware callback. This requires the callbacks only happen when the client 87065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// is still alive. 87165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiansp<CameraService::Client> CameraService::Client::getClientFromCookie(void* user) { 87265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = gCameraService->getClientById((int) user); 87365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 87465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // This could happen if the Client is in the process of shutting down (the 87565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // last strong reference is gone, but the destructor hasn't finished 87665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // stopping the hardware). 87765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) return NULL; 87865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 87965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // The checks below are not necessary and are for debugging only. 88065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client->mCameraService.get() != gCameraService) { 88165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("mismatch service!"); 88265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 88365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 88465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 88565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client->mHardware == 0) { 88665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("mHardware == 0: callback after disconnect()?"); 88765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 88865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 88965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 89065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return client; 89165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 89265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 89365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Callback messages can be dispatched to internal handlers or pass to our 89465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// client's callback functions, depending on the message type. 89565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// 89665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// notifyCallback: 89765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// CAMERA_MSG_SHUTTER handleShutter 89865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// (others) c->notifyCallback 89965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// dataCallback: 90065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// CAMERA_MSG_PREVIEW_FRAME handlePreviewData 90165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// CAMERA_MSG_POSTVIEW_FRAME handlePostview 90265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// CAMERA_MSG_RAW_IMAGE handleRawPicture 90365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// CAMERA_MSG_COMPRESSED_IMAGE handleCompressedPicture 90465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// (others) c->dataCallback 90565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// dataCallbackTimestamp 90665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// (others) c->dataCallbackTimestamp 90765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// 90865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// NOTE: the *Callback functions grab mLock of the client before passing 90965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// control to handle* functions. So the handle* functions must release the 91065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// lock before calling the ICameraClient's callbacks, so those callbacks can 91165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// invoke methods in the Client class again (For example, the preview frame 91265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// callback may want to releaseRecordingFrame). The handle* functions must 91365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// release the lock after all accesses to member variables, so it must be 91465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// handled very carefully. 91565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 91665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::notifyCallback(int32_t msgType, int32_t ext1, 91765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t ext2, void* user) { 91865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("notifyCallback(%d)", msgType); 91965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 92065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = getClientFromCookie(user); 92165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) return; 92265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!client->lockIfMessageWanted(msgType)) return; 92365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 92465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (msgType) { 92565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_MSG_SHUTTER: 92665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ext1 is the dimension of the yuv picture. 927108dddf924d714c811dd565b8f4c7a0178cca2f2Iliyan Malchev client->handleShutter(); 92865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 92965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian default: 93065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleGenericNotify(msgType, ext1, ext2); 93165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 93265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 93365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 93465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 93565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::dataCallback(int32_t msgType, 93665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const sp<IMemory>& dataPtr, void* user) { 93765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("dataCallback(%d)", msgType); 93865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 93965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = getClientFromCookie(user); 94065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) return; 94165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!client->lockIfMessageWanted(msgType)) return; 94265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 94365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (dataPtr == 0) { 94465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("Null data returned in data callback"); 94565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleGenericNotify(CAMERA_MSG_ERROR, UNKNOWN_ERROR, 0); 94665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 94765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 94865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 94965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (msgType) { 95065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_MSG_PREVIEW_FRAME: 95165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handlePreviewData(dataPtr); 95265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 95365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_MSG_POSTVIEW_FRAME: 95465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handlePostview(dataPtr); 95565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 95665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_MSG_RAW_IMAGE: 95765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleRawPicture(dataPtr); 95865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 95965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_MSG_COMPRESSED_IMAGE: 96065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleCompressedPicture(dataPtr); 96165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 96265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian default: 96365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleGenericData(msgType, dataPtr); 96465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 96565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 96665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 96765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 96865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::dataCallbackTimestamp(nsecs_t timestamp, 96965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t msgType, const sp<IMemory>& dataPtr, void* user) { 97065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("dataCallbackTimestamp(%d)", msgType); 97165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 97265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = getClientFromCookie(user); 97365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) return; 974986ef2ad4c96952711d87af481f3afb40aa10775James Dong if (!client->lockIfMessageWanted(msgType)) return; 97565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 97665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (dataPtr == 0) { 97765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("Null data returned in data with timestamp callback"); 97865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleGenericNotify(CAMERA_MSG_ERROR, UNKNOWN_ERROR, 0); 97965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 98065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 98165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 98265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleGenericDataTimestamp(timestamp, msgType, dataPtr); 98365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 98465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 98565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// snapshot taken callback 986108dddf924d714c811dd565b8f4c7a0178cca2f2Iliyan Malchevvoid CameraService::Client::handleShutter(void) { 987b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra if (mPlayShutterSound) { 988b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra mCameraService->playSound(SOUND_SHUTTER); 989b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } 99065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 99165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 99265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 99365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 99465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->notifyCallback(CAMERA_MSG_SHUTTER, 0, 0); 99565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!lockIfMessageWanted(CAMERA_MSG_SHUTTER)) return; 99665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 99765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_SHUTTER); 99865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 99965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 100065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 100165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 100265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// preview callback - frame buffer update 100365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handlePreviewData(const sp<IMemory>& mem) { 100465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ssize_t offset; 100565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t size; 100665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<IMemoryHeap> heap = mem->getMemory(&offset, &size); 100765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 100865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // local copy of the callback flags 100965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int flags = mPreviewCallbackFlag; 101065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 101165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // is callback enabled? 101265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!(flags & FRAME_CALLBACK_FLAG_ENABLE_MASK)) { 101365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // If the enable bit is off, the copy-out and one-shot bits are ignored 101465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("frame callback is disabled"); 101565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 101665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 101765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 101865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 101965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // hold a strong pointer to the client 102065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 102165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 102265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // clear callback flags if no client or one-shot mode 102365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c == 0 || (mPreviewCallbackFlag & FRAME_CALLBACK_FLAG_ONE_SHOT_MASK)) { 102465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("Disable preview callback"); 102565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewCallbackFlag &= ~(FRAME_CALLBACK_FLAG_ONE_SHOT_MASK | 102665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian FRAME_CALLBACK_FLAG_COPY_OUT_MASK | 102765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian FRAME_CALLBACK_FLAG_ENABLE_MASK); 10280667de7038238c31af77865eb6d83c5ae9ca1b1eWu-cheng Li disableMsgType(CAMERA_MSG_PREVIEW_FRAME); 102965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 103065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 103165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 103265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Is the received frame copied out or not? 103365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (flags & FRAME_CALLBACK_FLAG_COPY_OUT_MASK) { 103465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("frame is copied"); 103565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian copyFrameAndPostCopiedFrame(c, heap, offset, size); 103665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 103765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("frame is forwarded"); 103865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 103965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->dataCallback(CAMERA_MSG_PREVIEW_FRAME, mem); 104065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 104165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 104265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 104365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 104465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 104565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 104665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// picture callback - postview image ready 104765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handlePostview(const sp<IMemory>& mem) { 104865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_POSTVIEW_FRAME); 104965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 105165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 105265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 105365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->dataCallback(CAMERA_MSG_POSTVIEW_FRAME, mem); 105465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 105565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 105665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// picture callback - raw image ready 105865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handleRawPicture(const sp<IMemory>& mem) { 105965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_RAW_IMAGE); 106065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 106165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ssize_t offset; 106265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t size; 106365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<IMemoryHeap> heap = mem->getMemory(&offset, &size); 106465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 106565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 106665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 106765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 106865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->dataCallback(CAMERA_MSG_RAW_IMAGE, mem); 106965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 107065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 107165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 107265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// picture callback - compressed picture ready 107365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handleCompressedPicture(const sp<IMemory>& mem) { 107465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_COMPRESSED_IMAGE); 107565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 107665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 107765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 107865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 107965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->dataCallback(CAMERA_MSG_COMPRESSED_IMAGE, mem); 108065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 108165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 108265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 108365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 108465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handleGenericNotify(int32_t msgType, 108565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t ext1, int32_t ext2) { 108665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 108765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 108865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 108965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->notifyCallback(msgType, ext1, ext2); 109065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 109165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 109265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 109365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handleGenericData(int32_t msgType, 109465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const sp<IMemory>& dataPtr) { 109565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 109665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 109765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 109865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->dataCallback(msgType, dataPtr); 109965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 110065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 110165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 110265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handleGenericDataTimestamp(nsecs_t timestamp, 110365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t msgType, const sp<IMemory>& dataPtr) { 110465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 110565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 110665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 110765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->dataCallbackTimestamp(timestamp, msgType, dataPtr); 110865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 110965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 111065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 111165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::copyFrameAndPostCopiedFrame( 111265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const sp<ICameraClient>& client, const sp<IMemoryHeap>& heap, 111365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t offset, size_t size) { 111465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("copyFrameAndPostCopiedFrame"); 111565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // It is necessary to copy out of pmem before sending this to 111665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // the callback. For efficiency, reuse the same MemoryHeapBase 111765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // provided it's big enough. Don't allocate the memory or 111865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // perform the copy if there's no callback. 111965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // hold the preview lock while we grab a reference to the preview buffer 112065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<MemoryHeapBase> previewBuffer; 112165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 112265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mPreviewBuffer == 0) { 112365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewBuffer = new MemoryHeapBase(size, 0, NULL); 112465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else if (size > mPreviewBuffer->virtualSize()) { 112565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewBuffer.clear(); 112665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewBuffer = new MemoryHeapBase(size, 0, NULL); 112765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 112865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mPreviewBuffer == 0) { 112965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("failed to allocate space for preview buffer"); 113065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 113165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 113265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 113365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian previewBuffer = mPreviewBuffer; 113465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 113565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memcpy(previewBuffer->base(), (uint8_t *)heap->base() + offset, size); 113665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 113765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<MemoryBase> frame = new MemoryBase(previewBuffer, 0, size); 113865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frame == 0) { 113965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOGE("failed to allocate space for frame callback"); 114065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 114165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 114265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 114365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 114465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 114565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->dataCallback(CAMERA_MSG_PREVIEW_FRAME, frame); 114665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 114765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1148e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Liint CameraService::Client::getOrientation(int degrees, bool mirror) { 1149e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li if (!mirror) { 1150e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li if (degrees == 0) return 0; 1151e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li else if (degrees == 90) return HAL_TRANSFORM_ROT_90; 1152e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li else if (degrees == 180) return HAL_TRANSFORM_ROT_180; 1153e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li else if (degrees == 270) return HAL_TRANSFORM_ROT_270; 1154e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } else { // Do mirror (horizontal flip) 1155e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li if (degrees == 0) { // FLIP_H and ROT_0 1156e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li return HAL_TRANSFORM_FLIP_H; 1157e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } else if (degrees == 90) { // FLIP_H and ROT_90 1158e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li return HAL_TRANSFORM_FLIP_H | HAL_TRANSFORM_ROT_90; 1159e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } else if (degrees == 180) { // FLIP_H and ROT_180 1160e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li return HAL_TRANSFORM_FLIP_V; 1161e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } else if (degrees == 270) { // FLIP_H and ROT_270 1162e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li return HAL_TRANSFORM_FLIP_V | HAL_TRANSFORM_ROT_90; 1163e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } 1164e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } 1165e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li LOGE("Invalid setDisplayOrientation degrees=%d", degrees); 1166e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li return -1; 1167e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li} 1168e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li 1169e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li 117065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 117165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 117265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const int kDumpLockRetries = 50; 117365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const int kDumpLockSleep = 60000; 117465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 117565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic bool tryLock(Mutex& mutex) 117665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 117765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = false; 117865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < kDumpLockRetries; ++i) { 117965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mutex.tryLock() == NO_ERROR) { 118065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian locked = true; 118165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 118265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 118365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian usleep(kDumpLockSleep); 118465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 118565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return locked; 118665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 118765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 118865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::dump(int fd, const Vector<String16>& args) { 118965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian static const char* kDeadlockedString = "CameraService may be deadlocked\n"; 119065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 119165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const size_t SIZE = 256; 119265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian char buffer[SIZE]; 119365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 result; 119465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 119565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian snprintf(buffer, SIZE, "Permission Denial: " 119665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't dump CameraService from pid=%d, uid=%d\n", 119765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian getCallingPid(), 119865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian getCallingUid()); 119965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append(buffer); 120065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 120165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 120265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = tryLock(mServiceLock); 120365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // failed to lock - CameraService is probably deadlocked 120465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!locked) { 120565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 result(kDeadlockedString); 120665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 120765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 120865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 120965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool hasClient = false; 121065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 121165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = mClient[i].promote(); 121265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) continue; 121365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian hasClient = true; 121465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sprintf(buffer, "Client[%d] (%p) PID: %d\n", 121565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i, 121665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->getCameraClient()->asBinder().get(), 121765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->mClientPid); 121865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append(buffer); 121965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 122065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->mHardware->dump(fd, args); 122165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 122265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!hasClient) { 122365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append("No camera client yet.\n"); 122465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 122565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 122665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 122765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (locked) mServiceLock.unlock(); 122865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 122965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // change logging level 123065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int n = args.size(); 123165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i + 1 < n; i++) { 123265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (args[i] == String16("-v")) { 123365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 levelStr(args[i+1]); 123465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int level = atoi(levelStr.string()); 123565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sprintf(buffer, "Set Log Level to %d", level); 123665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append(buffer); 123765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian setLogLevel(level); 123865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 123965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 124065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 124165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 124265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 124365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 124465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; // namespace android 1245