CameraService.cpp revision df712ea86e6350f7005a02ab0e1c60c28a343ed0
165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian/* 265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Copyright (C) 2008, The Android Open Source Project 465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Licensed under the Apache License, Version 2.0 (the "License"); 665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** you may not use this file except in compliance with the License. 765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** You may obtain a copy of the License at 865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** http://www.apache.org/licenses/LICENSE-2.0 1065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 1165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Unless required by applicable law or agreed to in writing, software 1265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** distributed under the License is distributed on an "AS IS" BASIS, 1365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** See the License for the specific language governing permissions and 1565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** limitations under the License. 1665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian*/ 1765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define LOG_TAG "CameraService" 198951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev//#define LOG_NDEBUG 0 2065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <stdio.h> 2265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <sys/types.h> 2365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <pthread.h> 2465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/IPCThreadState.h> 2665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/IServiceManager.h> 2765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/MemoryBase.h> 2865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/MemoryHeapBase.h> 2965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <cutils/atomic.h> 30b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra#include <cutils/properties.h> 31bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis#include <gui/SurfaceTextureClient.h> 32df712ea86e6350f7005a02ab0e1c60c28a343ed0Mathias Agopian#include <gui/Surface.h> 3365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <hardware/hardware.h> 3465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/AudioSystem.h> 3565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/mediaplayer.h> 3665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Errors.h> 3765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Log.h> 3865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/String16.h> 3965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include "CameraService.h" 418951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev#include "CameraHardwareInterface.h" 4265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 4465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 4665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Logging support -- this is for debugging only 4765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Use "adb shell dumpsys media.camera -v 1" to change it. 4865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic volatile int32_t gLogLevel = 0; 4965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 50b8a805261bf0282e992d3608035e47d05a898710Steve Block#define LOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__); 51b8a805261bf0282e992d3608035e47d05a898710Steve Block#define LOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__); 5265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic void setLogLevel(int level) { 5465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(level, &gLogLevel); 5565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 5665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 5865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic int getCallingPid() { 6065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return IPCThreadState::self()->getCallingPid(); 6165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 6265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic int getCallingUid() { 6465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return IPCThreadState::self()->getCallingUid(); 6565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 6665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 6865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// This is ugly and only safe if we never re-create the CameraService, but 7065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// should be ok for now. 7165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic CameraService *gCameraService; 7265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 7365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::CameraService() 748951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev:mSoundRef(0), mModule(0) 7565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 76df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("CameraService started (pid=%d)", getpid()); 778951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev gCameraService = this; 788951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev} 7965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 808951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchevvoid CameraService::onFirstRef() 818951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev{ 828951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev BnCameraService::onFirstRef(); 8365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 848951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (hw_get_module(CAMERA_HARDWARE_MODULE_ID, 858951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev (const hw_module_t **)&mModule) < 0) { 8629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not load camera HAL module"); 878951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = 0; 888951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 898951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev else { 908951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = mModule->get_number_of_cameras(); 918951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (mNumberOfCameras > MAX_CAMERAS) { 9229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Number of cameras(%d) > MAX_CAMERAS(%d).", 938951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras, MAX_CAMERAS); 948951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mNumberOfCameras = MAX_CAMERAS; 958951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 968951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev for (int i = 0; i < mNumberOfCameras; i++) { 978951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev setCameraFree(i); 988951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 9965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 10165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 10265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::~CameraService() { 10365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 10465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mBusy[i]) { 10529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("camera %d is still in use in destructor!", i); 10665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 10965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian gCameraService = NULL; 11065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 11165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianint32_t CameraService::getNumberOfCameras() { 11365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mNumberOfCameras; 11465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 11565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::getCameraInfo(int cameraId, 11765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian struct CameraInfo* cameraInfo) { 1188951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (!mModule) { 1198951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev return NO_INIT; 1208951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 1218951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 12265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) { 12365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BAD_VALUE; 12465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 12565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1268951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev struct camera_info info; 1278951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev status_t rc = mModule->get_camera_info(cameraId, &info); 1288951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev cameraInfo->facing = info.facing; 1298951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev cameraInfo->orientation = info.orientation; 1308951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev return rc; 13165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 13265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 13365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiansp<ICamera> CameraService::connect( 13465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const sp<ICameraClient>& cameraClient, int cameraId) { 13565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 1365861a9a98c641261c4807c976c750e4611b3a57dTyler Luu sp<CameraHardwareInterface> hardware = NULL; 1375861a9a98c641261c4807c976c750e4611b3a57dTyler Luu 13865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::connect E (pid %d, id %d)", callingPid, cameraId); 13965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1408951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (!mModule) { 14129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Camera HAL module not loaded"); 1428951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev return NULL; 1438951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 1448951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 14565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client; 14665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) { 14729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("CameraService::connect X (pid %d) rejected (invalid cameraId %d).", 14865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian callingPid, cameraId); 14965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 15065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 15165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 152a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li char value[PROPERTY_VALUE_MAX]; 153a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li property_get("sys.secpolicy.camera.disabled", value, "0"); 154a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li if (strcmp(value, "1") == 0) { 155a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li // Camera is disabled by DevicePolicyManager. 156df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("Camera is disabled. connect X (pid %d) rejected", callingPid); 157a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li return NULL; 158a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li } 159a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li 16065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mServiceLock); 16165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClient[cameraId] != 0) { 16265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client = mClient[cameraId].promote(); 16365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client != 0) { 16465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraClient->asBinder() == client->getCameraClient()->asBinder()) { 16565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::connect X (pid %d) (the same client)", 16665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian callingPid); 16765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return client; 16865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 1695ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("CameraService::connect X (pid %d) rejected (existing client).", 17065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian callingPid); 17165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 17265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 17365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 17465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[cameraId].clear(); 17565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 17665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 17765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mBusy[cameraId]) { 1785ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("CameraService::connect X (pid %d) rejected" 17965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian " (camera %d is still busy).", callingPid, cameraId); 18065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 18165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 18265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1838951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev struct camera_info info; 1848951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (mModule->get_camera_info(cameraId, &info) != OK) { 18529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid camera id %d", cameraId); 186b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li return NULL; 187b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li } 1888951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 1898951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev char camera_device_name[10]; 1908951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev snprintf(camera_device_name, sizeof(camera_device_name), "%d", cameraId); 1918951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 1925861a9a98c641261c4807c976c750e4611b3a57dTyler Luu hardware = new CameraHardwareInterface(camera_device_name); 1935861a9a98c641261c4807c976c750e4611b3a57dTyler Luu if (hardware->initialize(&mModule->common) != OK) { 1945861a9a98c641261c4807c976c750e4611b3a57dTyler Luu hardware.clear(); 1955861a9a98c641261c4807c976c750e4611b3a57dTyler Luu return NULL; 1965861a9a98c641261c4807c976c750e4611b3a57dTyler Luu } 1975861a9a98c641261c4807c976c750e4611b3a57dTyler Luu 1985861a9a98c641261c4807c976c750e4611b3a57dTyler Luu client = new Client(this, cameraClient, hardware, cameraId, info.facing, callingPid); 19965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[cameraId] = client; 20065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::connect X"); 20165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return client; 20265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 20365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 20465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::removeClient(const sp<ICameraClient>& cameraClient) { 20565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 20665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::removeClient E (pid %d)", callingPid); 20765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 20865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 20965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Declare this before the lock to make absolutely sure the 21065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // destructor won't be called with the lock held. 21165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client; 21265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 21365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mServiceLock); 21465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 21565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // This happens when we have already disconnected (or this is 21665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // just another unused camera). 21765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClient[i] == 0) continue; 21865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 21965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Promote mClient. It can fail if we are called from this path: 22065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Client::~Client() -> disconnect() -> removeClient(). 22165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client = mClient[i].promote(); 22265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 22365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) { 22465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[i].clear(); 22565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian continue; 22665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 22765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 22865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraClient->asBinder() == client->getCameraClient()->asBinder()) { 22965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Found our camera, clear and leave. 23065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("removeClient: clear camera %d", i); 23165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClient[i].clear(); 23265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 23365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 23465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 23565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 23665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::removeClient X (pid %d)", callingPid); 23765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 23865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 23965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiansp<CameraService::Client> CameraService::getClientById(int cameraId) { 24065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cameraId < 0 || cameraId >= mNumberOfCameras) return NULL; 24165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mClient[cameraId].promote(); 24265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 24365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 24465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::onTransact( 24565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) { 24665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Permission checks 24765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (code) { 24865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case BnCameraService::CONNECT: 24965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int pid = getCallingPid(); 25065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int self_pid = getpid(); 25165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (pid != self_pid) { 25265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // we're called from a different process, do the real check 25365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!checkCallingPermission( 25465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String16("android.permission.CAMERA"))) { 25565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const int uid = getCallingUid(); 25629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Permission Denial: " 25765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't use the camera pid=%d, uid=%d", pid, uid); 25865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return PERMISSION_DENIED; 25965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 26065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 26165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 26265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 26365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 26465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BnCameraService::onTransact(code, data, reply, flags); 26565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 26665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 26765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// The reason we need this busy bit is a new CameraService::connect() request 26865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// may come in while the previous Client's destructor has not been run or is 26965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// still running. If the last strong reference of the previous Client is gone 27065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// but the destructor has not been finished, we should not allow the new Client 27165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// to be created because we need to wait for the previous Client to tear down 27265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// the hardware first. 27365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::setCameraBusy(int cameraId) { 27465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(1, &mBusy[cameraId]); 27565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 27665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 27765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::setCameraFree(int cameraId) { 27865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_write(0, &mBusy[cameraId]); 27965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 28065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 28165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// We share the media players for shutter and recording sound for all clients. 28265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// A reference count is kept to determine when we will actually release the 28365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// media players. 28465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 285ff4f55c8d77e276dbcceedb4e560ca1d91ba38baChih-Chung ChangMediaPlayer* CameraService::newMediaPlayer(const char *file) { 28665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian MediaPlayer* mp = new MediaPlayer(); 28765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mp->setDataSource(file, NULL) == NO_ERROR) { 28860a78ac9535878984b0777788760b9ee7465c5e6Eino-Ville Talvala mp->setAudioStreamType(AUDIO_STREAM_ENFORCED_AUDIBLE); 28965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mp->prepare(); 29065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 29129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Failed to load CameraService sounds: %s", file); 29265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 29365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 29465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mp; 29565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 29665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 29765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::loadSound() { 29865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 29965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::loadSound ref=%d", mSoundRef); 30065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSoundRef++) return; 30165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 30265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[SOUND_SHUTTER] = newMediaPlayer("/system/media/audio/ui/camera_click.ogg"); 30365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[SOUND_RECORDING] = newMediaPlayer("/system/media/audio/ui/VideoRecord.ogg"); 30465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 30565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 30665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::releaseSound() { 30765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 30865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("CameraService::releaseSound ref=%d", mSoundRef); 30965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (--mSoundRef) return; 31065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 31165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < NUM_SOUNDS; i++) { 31265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mSoundPlayer[i] != 0) { 31365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[i]->disconnect(); 31465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mSoundPlayer[i].clear(); 31565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 31665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 31765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 31865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 31965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::playSound(sound_kind kind) { 32065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("playSound(%d)", kind); 32165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mSoundLock); 32265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<MediaPlayer> player = mSoundPlayer[kind]; 32365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (player != 0) { 3248888a75f01d904541e409e858d23e4150ace34b6Chih-Chung Chang player->seekTo(0); 3258888a75f01d904541e409e858d23e4150ace34b6Chih-Chung Chang player->start(); 32665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 32765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 32865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 32965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 33065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 33165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::Client::Client(const sp<CameraService>& cameraService, 332b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li const sp<ICameraClient>& cameraClient, 333b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li const sp<CameraHardwareInterface>& hardware, 334e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li int cameraId, int cameraFacing, int clientPid) { 33565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 33665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("Client::Client E (pid %d)", callingPid); 33765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 33865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService = cameraService; 33965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraClient = cameraClient; 340b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li mHardware = hardware; 34165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraId = cameraId; 342e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li mCameraFacing = cameraFacing; 34365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid = clientPid; 34465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mMsgEnabled = 0; 345bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis mSurface = 0; 346bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis mPreviewWindow = 0; 34765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->setCallbacks(notifyCallback, 34865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian dataCallback, 34965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian dataCallbackTimestamp, 35065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian (void *)cameraId); 35165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35257c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li // Enable zoom, error, focus, and metadata messages by default 35357c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li enableMsgType(CAMERA_MSG_ERROR | CAMERA_MSG_ZOOM | CAMERA_MSG_FOCUS | 354d620506220a15177942a8168d09c517740e908d0Wu-cheng Li CAMERA_MSG_PREVIEW_METADATA | CAMERA_MSG_FOCUS_MOVE); 35565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 35665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Callback is disabled by default 3579e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev mPreviewCallbackFlag = CAMERA_FRAME_CALLBACK_FLAG_NOOP; 358e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li mOrientation = getOrientation(0, mCameraFacing == CAMERA_FACING_FRONT); 359b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra mPlayShutterSound = true; 36065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian cameraService->setCameraBusy(cameraId); 36165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian cameraService->loadSound(); 36265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("Client::Client X (pid %d)", callingPid); 36365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 36465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 36565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// tear down the client 36665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianCameraService::Client::~Client() { 36765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 36865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("Client::~Client E (pid %d, this %p)", callingPid, this); 36965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 37065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // set mClientPid to let disconnet() tear down the hardware 37165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid = callingPid; 37265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disconnect(); 37365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService->releaseSound(); 37465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("Client::~Client X (pid %d, this %p)", callingPid, this); 37565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 37665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 37765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 37865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 37965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::checkPid() const { 38065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 38165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (callingPid == mClientPid) return NO_ERROR; 38265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3835ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("attempt to use a locked camera from a different process" 38465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian " (old pid %d, new pid %d)", mClientPid, callingPid); 38565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return EBUSY; 38665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 38765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 38865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::checkPidAndHardware() const { 38965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPid(); 39065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 39165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware == 0) { 39229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("attempt to use a camera after disconnect() (pid %d)", getCallingPid()); 39365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return INVALID_OPERATION; 39465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 39565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 39665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 39765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 39865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::lock() { 39965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 40065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("lock (pid %d)", callingPid); 40165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 40265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 40365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // lock camera to this client if the the camera is unlocked 40465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClientPid == 0) { 40565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid = callingPid; 40665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 40765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 40865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 40965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // returns NO_ERROR if the client already owns the camera, EBUSY otherwise 41065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return checkPid(); 41165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 41265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 41365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::unlock() { 41465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 41565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("unlock (pid %d)", callingPid); 41665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 41765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 41865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // allow anyone to use camera (after they lock the camera) 41965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPid(); 42065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result == NO_ERROR) { 4214ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li if (mHardware->recordingEnabled()) { 42229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Not allowed to unlock camera during recording."); 4234ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li return INVALID_OPERATION; 4244ca2c7c913f8bd4ada13aca56d36045d42d1e00fWu-cheng Li } 42565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid = 0; 42665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("clear mCameraClient (pid %d)", callingPid); 42765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // we need to remove the reference to ICameraClient so that when the app 42865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // goes away, the reference count goes to 0. 42965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraClient.clear(); 43065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 43165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 43265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 43365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 43465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// connect a new client to the camera 43565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::connect(const sp<ICameraClient>& client) { 43665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 43765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("connect E (pid %d)", callingPid); 43865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 43965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 44065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClientPid != 0 && checkPid() != NO_ERROR) { 4415ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("Tried to connect to a locked camera (old pid %d, new pid %d)", 44265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid, callingPid); 44365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return EBUSY; 44465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 44565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 44665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mCameraClient != 0 && (client->asBinder() == mCameraClient->asBinder())) { 44765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("Connect to the same client"); 44865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 44965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 45065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4519e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev mPreviewCallbackFlag = CAMERA_FRAME_CALLBACK_FLAG_NOOP; 45265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mClientPid = callingPid; 45365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraClient = client; 45465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 45565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("connect X (pid %d)", callingPid); 45665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 45765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 45865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4597574da5a501fc9289fee49fdaf1fdb9d47dae2b6Wu-cheng Listatic void disconnectWindow(const sp<ANativeWindow>& window) { 4607574da5a501fc9289fee49fdaf1fdb9d47dae2b6Wu-cheng Li if (window != 0) { 461c3da3434cb57f47284ea06bb9065eaa2fe033efbMathias Agopian status_t result = native_window_api_disconnect(window.get(), 4627574da5a501fc9289fee49fdaf1fdb9d47dae2b6Wu-cheng Li NATIVE_WINDOW_API_CAMERA); 4637574da5a501fc9289fee49fdaf1fdb9d47dae2b6Wu-cheng Li if (result != NO_ERROR) { 4645ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("native_window_api_disconnect failed: %s (%d)", strerror(-result), 4657574da5a501fc9289fee49fdaf1fdb9d47dae2b6Wu-cheng Li result); 4667574da5a501fc9289fee49fdaf1fdb9d47dae2b6Wu-cheng Li } 4677574da5a501fc9289fee49fdaf1fdb9d47dae2b6Wu-cheng Li } 4687574da5a501fc9289fee49fdaf1fdb9d47dae2b6Wu-cheng Li} 4697574da5a501fc9289fee49fdaf1fdb9d47dae2b6Wu-cheng Li 47065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::disconnect() { 47165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int callingPid = getCallingPid(); 47265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("disconnect E (pid %d)", callingPid); 47365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 47465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 47565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPid() != NO_ERROR) { 4765ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("different client - don't disconnect"); 47765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 47865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 47965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 48065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mClientPid <= 0) { 48165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("camera is unlocked (mClientPid = %d), don't tear down hardware", mClientPid); 48265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 48365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 48465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 48565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Make sure disconnect() is done once and once only, whether it is called 48665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // from the user directly, or called by the destructor. 48765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware == 0) return; 48865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 48965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("hardware teardown"); 49065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Before destroying mHardware, we must make sure it's in the 49165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // idle state. 49265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Turn off all messages. 49365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_ALL_MSGS); 49465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->stopPreview(); 49565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->cancelPicture(); 49665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Release the hardware resources. 49765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->release(); 49803dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian 4994b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis // Release the held ANativeWindow resources. 5004b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis if (mPreviewWindow != 0) { 5017574da5a501fc9289fee49fdaf1fdb9d47dae2b6Wu-cheng Li disconnectWindow(mPreviewWindow); 5024b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis mPreviewWindow = 0; 5034b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis mHardware->setPreviewWindow(mPreviewWindow); 5044b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis } 50565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware.clear(); 50665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 50765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService->removeClient(mCameraClient); 50865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService->setCameraFree(mCameraId); 50965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 51065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("disconnect X (pid %d)", callingPid); 51165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 51265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 51365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 51465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5150ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennisstatus_t CameraService::Client::setPreviewWindow(const sp<IBinder>& binder, 5160ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis const sp<ANativeWindow>& window) { 51765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 51865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 51965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 52065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 52165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // return if no change in surface. 5228b1027d3f873fc15c70f8645f1856936b69241a4Mathias Agopian if (binder == mSurface) { 5230ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis return NO_ERROR; 52465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 52565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5260ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis if (window != 0) { 527c3da3434cb57f47284ea06bb9065eaa2fe033efbMathias Agopian result = native_window_api_connect(window.get(), NATIVE_WINDOW_API_CAMERA); 5280ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis if (result != NO_ERROR) { 52929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("native_window_api_connect failed: %s (%d)", strerror(-result), 5300ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis result); 5310ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis return result; 5320ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis } 53365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 534bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis 5350ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis // If preview has been already started, register preview buffers now. 53665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware->previewEnabled()) { 5370ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis if (window != 0) { 5389bc7af17974f448291a44912566ec7472a0d798bMathias Agopian native_window_set_scaling_mode(window.get(), 5399bc7af17974f448291a44912566ec7472a0d798bMathias Agopian NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW); 5400ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis native_window_set_buffers_transform(window.get(), mOrientation); 5410ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis result = mHardware->setPreviewWindow(window); 54265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 54365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 54465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5450ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis if (result == NO_ERROR) { 5460ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis // Everything has succeeded. Disconnect the old window and remember the 5470ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis // new window. 5480ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis disconnectWindow(mPreviewWindow); 5490ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis mSurface = binder; 5500ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis mPreviewWindow = window; 5510ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis } else { 5520ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis // Something went wrong after we connected to the new window, so 5530ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis // disconnect here. 5540ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis disconnectWindow(window); 5550ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis } 5560ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis 55765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 55865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 55965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5600ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis// set the Surface that the preview will use 5610ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennisstatus_t CameraService::Client::setPreviewDisplay(const sp<Surface>& surface) { 5620ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis LOG1("setPreviewDisplay(%p) (pid %d)", surface.get(), getCallingPid()); 5630ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis 5640ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis sp<IBinder> binder(surface != 0 ? surface->asBinder() : 0); 5650ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis sp<ANativeWindow> window(surface); 5660ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis return setPreviewWindow(binder, window); 5670ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis} 5680ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis 569bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis// set the SurfaceTexture that the preview will use 570bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennisstatus_t CameraService::Client::setPreviewTexture( 571bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis const sp<ISurfaceTexture>& surfaceTexture) { 572bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis LOG1("setPreviewTexture(%p) (pid %d)", surfaceTexture.get(), 573bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis getCallingPid()); 574bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis 5750ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis sp<IBinder> binder; 5760ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis sp<ANativeWindow> window; 577bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis if (surfaceTexture != 0) { 5780ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis binder = surfaceTexture->asBinder(); 5790ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis window = new SurfaceTextureClient(surfaceTexture); 580bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis } 5810ed3ec00d0242c9dc77532fe0cf0082645b6662cJamie Gennis return setPreviewWindow(binder, window); 582bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis} 583bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis 58465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// set the preview callback flag to affect how the received frames from 58565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// preview are handled. 58665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::setPreviewCallbackFlag(int callback_flag) { 58765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("setPreviewCallbackFlag(%d) (pid %d)", callback_flag, getCallingPid()); 58865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 58965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return; 59065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 59165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewCallbackFlag = callback_flag; 5929e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev if (mPreviewCallbackFlag & CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK) { 5930667de7038238c31af77865eb6d83c5ae9ca1b1eWu-cheng Li enableMsgType(CAMERA_MSG_PREVIEW_FRAME); 5940667de7038238c31af77865eb6d83c5ae9ca1b1eWu-cheng Li } else { 5950667de7038238c31af77865eb6d83c5ae9ca1b1eWu-cheng Li disableMsgType(CAMERA_MSG_PREVIEW_FRAME); 59665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 59765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 59865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 59965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// start preview mode 60065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::startPreview() { 60165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("startPreview (pid %d)", getCallingPid()); 60265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return startCameraMode(CAMERA_PREVIEW_MODE); 60365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 60465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 60565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// start recording mode 60665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::startRecording() { 60765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("startRecording (pid %d)", getCallingPid()); 60865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return startCameraMode(CAMERA_RECORDING_MODE); 60965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 61065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 61165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// start preview or recording 61265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::startCameraMode(camera_mode mode) { 61365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("startCameraMode(%d)", mode); 61465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 61565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 61665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 61765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 61865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch(mode) { 61965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_PREVIEW_MODE: 6204b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis if (mSurface == 0 && mPreviewWindow == 0) { 62165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("mSurface is not set yet."); 62265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // still able to start preview in this case. 62365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 62465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return startPreviewMode(); 62565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_RECORDING_MODE: 6264b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis if (mSurface == 0 && mPreviewWindow == 0) { 62729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("mSurface or mPreviewWindow must be set before startRecordingMode."); 62865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return INVALID_OPERATION; 62965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 63065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return startRecordingMode(); 63165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian default: 63265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return UNKNOWN_ERROR; 63365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 63465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 63565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 63665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::startPreviewMode() { 63765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("startPreviewMode"); 63865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = NO_ERROR; 63965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 64065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // if preview has been enabled, nothing needs to be done 64165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware->previewEnabled()) { 64265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 64365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 64465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 64503dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian if (mPreviewWindow != 0) { 6469bc7af17974f448291a44912566ec7472a0d798bMathias Agopian native_window_set_scaling_mode(mPreviewWindow.get(), 6479bc7af17974f448291a44912566ec7472a0d798bMathias Agopian NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW); 64803dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian native_window_set_buffers_transform(mPreviewWindow.get(), 64903dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian mOrientation); 65065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 65103dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian mHardware->setPreviewWindow(mPreviewWindow); 65203dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian result = mHardware->startPreview(); 65303dfce9672b36c1a334959a602f909b8410bec50Mathias Agopian 65465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 65565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 65665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 65765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::startRecordingMode() { 65865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("startRecordingMode"); 65965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = NO_ERROR; 66065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 66165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // if recording has been enabled, nothing needs to be done 66265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mHardware->recordingEnabled()) { 66365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 66465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 66565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 66665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // if preview has not been started, start preview first 66765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!mHardware->previewEnabled()) { 66865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result = startPreviewMode(); 66965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) { 67065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 67165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 67265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 67365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 67465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // start recording mode 67565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enableMsgType(CAMERA_MSG_VIDEO_FRAME); 67665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService->playSound(SOUND_RECORDING); 67765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result = mHardware->startRecording(); 67865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) { 67929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("mHardware->startRecording() failed with status %d", result); 68065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 68165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return result; 68265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 68365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 68465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// stop preview mode 68565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::stopPreview() { 68665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("stopPreview (pid %d)", getCallingPid()); 68765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 68865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return; 68965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6904b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis 69165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_PREVIEW_FRAME); 69265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->stopPreview(); 69365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 69465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewBuffer.clear(); 69565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 69665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 69765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// stop recording mode 69865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::stopRecording() { 69965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("stopRecording (pid %d)", getCallingPid()); 70065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 70165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return; 70265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 70365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mCameraService->playSound(SOUND_RECORDING); 70465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_VIDEO_FRAME); 70565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->stopRecording(); 70665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 70765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewBuffer.clear(); 70865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 70965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 71065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// release a recording frame 71165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::releaseRecordingFrame(const sp<IMemory>& mem) { 71265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 71365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return; 71465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->releaseRecordingFrame(mem); 71565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 71665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 717e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dongstatus_t CameraService::Client::storeMetaDataInBuffers(bool enabled) 718e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong{ 719e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong LOG1("storeMetaDataInBuffers: %s", enabled? "true": "false"); 720e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong Mutex::Autolock lock(mLock); 721e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong if (checkPidAndHardware() != NO_ERROR) { 722e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong return UNKNOWN_ERROR; 723e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong } 724e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong return mHardware->storeMetaDataInBuffers(enabled); 725e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong} 726e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong 72765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool CameraService::Client::previewEnabled() { 72865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("previewEnabled (pid %d)", getCallingPid()); 72965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 73065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 73165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return false; 73265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->previewEnabled(); 73365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 73465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 73565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool CameraService::Client::recordingEnabled() { 73665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("recordingEnabled (pid %d)", getCallingPid()); 73765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 73865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 73965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return false; 74065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->recordingEnabled(); 74165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 74265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::autoFocus() { 74465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("autoFocus (pid %d)", getCallingPid()); 74565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 74665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 74765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 74865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 74965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 75065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->autoFocus(); 75165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 75265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 75365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::cancelAutoFocus() { 75465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("cancelAutoFocus (pid %d)", getCallingPid()); 75565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 75665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 75765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 75865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 75965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 76065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->cancelAutoFocus(); 76165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 76265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 76365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// take a picture - image is returned in callback 764e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dongstatus_t CameraService::Client::takePicture(int msgType) { 765e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong LOG1("takePicture (pid %d): 0x%x", getCallingPid(), msgType); 76665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 76765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 76865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 76965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 77065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 771e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong if ((msgType & CAMERA_MSG_RAW_IMAGE) && 772e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong (msgType & CAMERA_MSG_RAW_IMAGE_NOTIFY)) { 77329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("CAMERA_MSG_RAW_IMAGE and CAMERA_MSG_RAW_IMAGE_NOTIFY" 774e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong " cannot be both enabled"); 775e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong return BAD_VALUE; 776e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong } 777e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong 778e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong // We only accept picture related message types 779e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong // and ignore other types of messages for takePicture(). 780e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong int picMsgType = msgType 781e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong & (CAMERA_MSG_SHUTTER | 782e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong CAMERA_MSG_POSTVIEW_FRAME | 783e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong CAMERA_MSG_RAW_IMAGE | 784e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong CAMERA_MSG_RAW_IMAGE_NOTIFY | 785e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong CAMERA_MSG_COMPRESSED_IMAGE); 786e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong 787e468ac57f6e8afc6078c76d4eb1ac327112a3de0James Dong enableMsgType(picMsgType); 78865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 78965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->takePicture(); 79065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 79165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 79265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// set preview/capture parameters - key/value pairs 79365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::setParameters(const String8& params) { 79465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("setParameters (pid %d) (%s)", getCallingPid(), params.string()); 79565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 79665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 79765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 79865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 79965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 80065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian CameraParameters p(params); 80165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->setParameters(p); 80265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 80365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 80465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// get preview/capture parameters - key/value pairs 80565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianString8 CameraService::Client::getParameters() const { 80665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 80765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkPidAndHardware() != NO_ERROR) return String8(); 80865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 80965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 params(mHardware->getParameters().flatten()); 81065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("getParameters (pid %d) (%s)", getCallingPid(), params.string()); 81165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return params; 81265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 81365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 814b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra// enable shutter sound 815b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatrastatus_t CameraService::Client::enableShutterSound(bool enable) { 816b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra LOG1("enableShutterSound (pid %d)", getCallingPid()); 817b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra 818b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra status_t result = checkPidAndHardware(); 819b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra if (result != NO_ERROR) return result; 820b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra 821b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra if (enable) { 822b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra mPlayShutterSound = true; 823b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra return OK; 824b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } 825b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra 826b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra // Disabling shutter sound may not be allowed. In that case only 827b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra // allow the mediaserver process to disable the sound. 828b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra char value[PROPERTY_VALUE_MAX]; 829b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra property_get("ro.camera.sound.forced", value, "0"); 830b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra if (strcmp(value, "0") != 0) { 831b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra // Disabling shutter sound is not allowed. Deny if the current 832b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra // process is not mediaserver. 833b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra if (getCallingPid() != getpid()) { 83429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Failed to disable shutter sound. Permission denied (pid %d)", getCallingPid()); 835b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra return PERMISSION_DENIED; 836b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } 837b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } 838b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra 839b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra mPlayShutterSound = false; 840b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra return OK; 841b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra} 842b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra 84365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) { 84465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("sendCommand (pid %d)", getCallingPid()); 8454a73f3da3501db6e95473a4a653d6319c6d618e2Wu-cheng Li int orientation; 84665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock lock(mLock); 84765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t result = checkPidAndHardware(); 84865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (result != NO_ERROR) return result; 84965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 85065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (cmd == CAMERA_CMD_SET_DISPLAY_ORIENTATION) { 851e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li // Mirror the preview if the camera is front-facing. 852e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li orientation = getOrientation(arg1, mCameraFacing == CAMERA_FACING_FRONT); 853e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li if (orientation == -1) return BAD_VALUE; 854e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li 8554a73f3da3501db6e95473a4a653d6319c6d618e2Wu-cheng Li if (mOrientation != orientation) { 8564a73f3da3501db6e95473a4a653d6319c6d618e2Wu-cheng Li mOrientation = orientation; 857b9f588677910cac6ffc0346092bfcfe1c6620b90Wu-cheng Li if (mPreviewWindow != 0) { 858b9f588677910cac6ffc0346092bfcfe1c6620b90Wu-cheng Li native_window_set_buffers_transform(mPreviewWindow.get(), 859b9f588677910cac6ffc0346092bfcfe1c6620b90Wu-cheng Li mOrientation); 860b9f588677910cac6ffc0346092bfcfe1c6620b90Wu-cheng Li } 8614a73f3da3501db6e95473a4a653d6319c6d618e2Wu-cheng Li } 86265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return OK; 863b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } else if (cmd == CAMERA_CMD_ENABLE_SHUTTER_SOUND) { 864b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra switch (arg1) { 865b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra case 0: 866b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra enableShutterSound(false); 867b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra break; 868b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra case 1: 869b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra enableShutterSound(true); 870b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra break; 871b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra default: 872b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra return BAD_VALUE; 873b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } 874b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra return OK; 8753b7b358d1a45844ca427626554ff81f472fd1583Nipun Kwatra } else if (cmd == CAMERA_CMD_PLAY_RECORDING_SOUND) { 8763b7b358d1a45844ca427626554ff81f472fd1583Nipun Kwatra mCameraService->playSound(SOUND_RECORDING); 87765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 87865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 87965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return mHardware->sendCommand(cmd, arg1, arg2); 88065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 88165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 88265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 88365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 88465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::enableMsgType(int32_t msgType) { 88565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_or(msgType, &mMsgEnabled); 88665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->enableMsgType(msgType); 88765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 88865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 88965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::disableMsgType(int32_t msgType) { 89065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian android_atomic_and(~msgType, &mMsgEnabled); 89165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mHardware->disableMsgType(msgType); 89265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 89365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 89465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define CHECK_MESSAGE_INTERVAL 10 // 10ms 89565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool CameraService::Client::lockIfMessageWanted(int32_t msgType) { 89665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int sleepCount = 0; 89765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (mMsgEnabled & msgType) { 89865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mLock.tryLock() == NO_ERROR) { 89965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (sleepCount > 0) { 90065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("lockIfMessageWanted(%d): waited for %d ms", 90165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian msgType, sleepCount * CHECK_MESSAGE_INTERVAL); 90265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 90365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return true; 90465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 90565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (sleepCount++ == 0) { 90665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG1("lockIfMessageWanted(%d): enter sleep", msgType); 90765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 90865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian usleep(CHECK_MESSAGE_INTERVAL * 1000); 90965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 9105ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("lockIfMessageWanted(%d): dropped unwanted message", msgType); 91165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return false; 91265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 91365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 91465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 91565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 91665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Converts from a raw pointer to the client to a strong pointer during a 91765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// hardware callback. This requires the callbacks only happen when the client 91865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// is still alive. 91965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiansp<CameraService::Client> CameraService::Client::getClientFromCookie(void* user) { 92065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = gCameraService->getClientById((int) user); 92165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 92265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // This could happen if the Client is in the process of shutting down (the 92365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // last strong reference is gone, but the destructor hasn't finished 92465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // stopping the hardware). 92565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) return NULL; 92665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 92765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // The checks below are not necessary and are for debugging only. 92865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client->mCameraService.get() != gCameraService) { 92929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("mismatch service!"); 93065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 93165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 93265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 93365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client->mHardware == 0) { 93429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("mHardware == 0: callback after disconnect()?"); 93565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NULL; 93665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 93765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 93865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return client; 93965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 94065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 94165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// Callback messages can be dispatched to internal handlers or pass to our 94265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// client's callback functions, depending on the message type. 94365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// 94465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// notifyCallback: 94565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// CAMERA_MSG_SHUTTER handleShutter 94665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// (others) c->notifyCallback 94765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// dataCallback: 94865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// CAMERA_MSG_PREVIEW_FRAME handlePreviewData 94965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// CAMERA_MSG_POSTVIEW_FRAME handlePostview 95065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// CAMERA_MSG_RAW_IMAGE handleRawPicture 95165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// CAMERA_MSG_COMPRESSED_IMAGE handleCompressedPicture 95265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// (others) c->dataCallback 95365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// dataCallbackTimestamp 95465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// (others) c->dataCallbackTimestamp 95565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// 95665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// NOTE: the *Callback functions grab mLock of the client before passing 95765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// control to handle* functions. So the handle* functions must release the 95865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// lock before calling the ICameraClient's callbacks, so those callbacks can 95965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// invoke methods in the Client class again (For example, the preview frame 96065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// callback may want to releaseRecordingFrame). The handle* functions must 96165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// release the lock after all accesses to member variables, so it must be 96265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// handled very carefully. 96365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 96465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::notifyCallback(int32_t msgType, int32_t ext1, 96565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t ext2, void* user) { 96665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("notifyCallback(%d)", msgType); 96765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 96865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = getClientFromCookie(user); 96965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) return; 97065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!client->lockIfMessageWanted(msgType)) return; 97165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 97265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (msgType) { 97365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_MSG_SHUTTER: 97465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // ext1 is the dimension of the yuv picture. 975108dddf924d714c811dd565b8f4c7a0178cca2f2Iliyan Malchev client->handleShutter(); 97665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 97765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian default: 97865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleGenericNotify(msgType, ext1, ext2); 97965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 98065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 98165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 98265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 98365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::dataCallback(int32_t msgType, 984ff09ef8f18eed29bce50c7817df2fd52d2b50cf6Wu-cheng Li const sp<IMemory>& dataPtr, camera_frame_metadata_t *metadata, void* user) { 98565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("dataCallback(%d)", msgType); 98665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 98765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = getClientFromCookie(user); 98865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) return; 98965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!client->lockIfMessageWanted(msgType)) return; 99065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 99157c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li if (dataPtr == 0 && metadata == NULL) { 99229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Null data returned in data callback"); 99365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleGenericNotify(CAMERA_MSG_ERROR, UNKNOWN_ERROR, 0); 99465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 99565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 99665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 99757c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li switch (msgType & ~CAMERA_MSG_PREVIEW_METADATA) { 99865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_MSG_PREVIEW_FRAME: 99957c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li client->handlePreviewData(msgType, dataPtr, metadata); 100065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 100165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_MSG_POSTVIEW_FRAME: 100265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handlePostview(dataPtr); 100365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 100465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_MSG_RAW_IMAGE: 100565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleRawPicture(dataPtr); 100665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 100765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case CAMERA_MSG_COMPRESSED_IMAGE: 100865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleCompressedPicture(dataPtr); 100965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 101065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian default: 101157c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li client->handleGenericData(msgType, dataPtr, metadata); 101265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 101365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 101465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 101565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 101665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::dataCallbackTimestamp(nsecs_t timestamp, 101765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t msgType, const sp<IMemory>& dataPtr, void* user) { 101865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("dataCallbackTimestamp(%d)", msgType); 101965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 102065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = getClientFromCookie(user); 102165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) return; 1022986ef2ad4c96952711d87af481f3afb40aa10775James Dong if (!client->lockIfMessageWanted(msgType)) return; 102365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 102465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (dataPtr == 0) { 102529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Null data returned in data with timestamp callback"); 102665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleGenericNotify(CAMERA_MSG_ERROR, UNKNOWN_ERROR, 0); 102765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 102865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 102965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 103065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->handleGenericDataTimestamp(timestamp, msgType, dataPtr); 103165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 103265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 103365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// snapshot taken callback 1034108dddf924d714c811dd565b8f4c7a0178cca2f2Iliyan Malchevvoid CameraService::Client::handleShutter(void) { 1035b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra if (mPlayShutterSound) { 1036b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra mCameraService->playSound(SOUND_SHUTTER); 1037b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra } 103865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 103965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 104065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 104165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 104265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->notifyCallback(CAMERA_MSG_SHUTTER, 0, 0); 104365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!lockIfMessageWanted(CAMERA_MSG_SHUTTER)) return; 104465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 104565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_SHUTTER); 104665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 104765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 104865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 104965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// preview callback - frame buffer update 105157c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Livoid CameraService::Client::handlePreviewData(int32_t msgType, 105257c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li const sp<IMemory>& mem, 105357c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li camera_frame_metadata_t *metadata) { 105465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ssize_t offset; 105565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t size; 105665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<IMemoryHeap> heap = mem->getMemory(&offset, &size); 105765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 105865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // local copy of the callback flags 105965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int flags = mPreviewCallbackFlag; 106065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 106165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // is callback enabled? 10629e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev if (!(flags & CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK)) { 106365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // If the enable bit is off, the copy-out and one-shot bits are ignored 106465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("frame callback is disabled"); 106565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 106665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 106765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 106865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 106965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // hold a strong pointer to the client 107065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 107165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 107265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // clear callback flags if no client or one-shot mode 10739e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev if (c == 0 || (mPreviewCallbackFlag & CAMERA_FRAME_CALLBACK_FLAG_ONE_SHOT_MASK)) { 107465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("Disable preview callback"); 10759e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev mPreviewCallbackFlag &= ~(CAMERA_FRAME_CALLBACK_FLAG_ONE_SHOT_MASK | 10769e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev CAMERA_FRAME_CALLBACK_FLAG_COPY_OUT_MASK | 10779e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK); 10780667de7038238c31af77865eb6d83c5ae9ca1b1eWu-cheng Li disableMsgType(CAMERA_MSG_PREVIEW_FRAME); 107965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 108065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 108165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 108265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // Is the received frame copied out or not? 10839e626526453f91999bdf3de4c2ec8e55c5d90511Iliyan Malchev if (flags & CAMERA_FRAME_CALLBACK_FLAG_COPY_OUT_MASK) { 108465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("frame is copied"); 108557c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li copyFrameAndPostCopiedFrame(msgType, c, heap, offset, size, metadata); 108665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 108765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("frame is forwarded"); 108865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 108957c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li c->dataCallback(msgType, mem, metadata); 109065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 109165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 109265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 109365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 109465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 109565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 109665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// picture callback - postview image ready 109765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handlePostview(const sp<IMemory>& mem) { 109865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_POSTVIEW_FRAME); 109965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 110065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 110165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 110265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 110357c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li c->dataCallback(CAMERA_MSG_POSTVIEW_FRAME, mem, NULL); 110465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 110565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 110665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 110765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// picture callback - raw image ready 110865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handleRawPicture(const sp<IMemory>& mem) { 110965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_RAW_IMAGE); 111065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 111165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ssize_t offset; 111265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t size; 111365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<IMemoryHeap> heap = mem->getMemory(&offset, &size); 111465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 111565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 111665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 111765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 111857c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li c->dataCallback(CAMERA_MSG_RAW_IMAGE, mem, NULL); 111965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 112065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 112165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 112265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// picture callback - compressed picture ready 112365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handleCompressedPicture(const sp<IMemory>& mem) { 112465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian disableMsgType(CAMERA_MSG_COMPRESSED_IMAGE); 112565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 112665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 112765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 112865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 112957c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li c->dataCallback(CAMERA_MSG_COMPRESSED_IMAGE, mem, NULL); 113065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 113165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 113265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 113365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 113465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handleGenericNotify(int32_t msgType, 113565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t ext1, int32_t ext2) { 113665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 113765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 113865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 113965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->notifyCallback(msgType, ext1, ext2); 114065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 114165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 114265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 114365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handleGenericData(int32_t msgType, 114457c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li const sp<IMemory>& dataPtr, camera_frame_metadata_t *metadata) { 114565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 114665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 114765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 114857c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li c->dataCallback(msgType, dataPtr, metadata); 114965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 115065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 115165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 115265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::handleGenericDataTimestamp(nsecs_t timestamp, 115365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t msgType, const sp<IMemory>& dataPtr) { 115465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<ICameraClient> c = mCameraClient; 115565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 115665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (c != 0) { 115765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian c->dataCallbackTimestamp(timestamp, msgType, dataPtr); 115865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 115965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 116065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 116165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid CameraService::Client::copyFrameAndPostCopiedFrame( 116257c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li int32_t msgType, const sp<ICameraClient>& client, 116357c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li const sp<IMemoryHeap>& heap, size_t offset, size_t size, 116457c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li camera_frame_metadata_t *metadata) { 116565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian LOG2("copyFrameAndPostCopiedFrame"); 116665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // It is necessary to copy out of pmem before sending this to 116765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // the callback. For efficiency, reuse the same MemoryHeapBase 116865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // provided it's big enough. Don't allocate the memory or 116965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // perform the copy if there's no callback. 117065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // hold the preview lock while we grab a reference to the preview buffer 117165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<MemoryHeapBase> previewBuffer; 117265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 117365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mPreviewBuffer == 0) { 117465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewBuffer = new MemoryHeapBase(size, 0, NULL); 117565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else if (size > mPreviewBuffer->virtualSize()) { 117665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewBuffer.clear(); 117765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mPreviewBuffer = new MemoryHeapBase(size, 0, NULL); 117865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 117965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mPreviewBuffer == 0) { 118029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("failed to allocate space for preview buffer"); 118165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 118265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 118365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 118465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian previewBuffer = mPreviewBuffer; 118565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 118665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian memcpy(previewBuffer->base(), (uint8_t *)heap->base() + offset, size); 118765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 118865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<MemoryBase> frame = new MemoryBase(previewBuffer, 0, size); 118965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (frame == 0) { 119029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("failed to allocate space for frame callback"); 119165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 119265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 119365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 119465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 119565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 119657c86189bc07d9ccb0fd044e66df736d0bf19639Wu-cheng Li client->dataCallback(msgType, frame, metadata); 119765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 119865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1199e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Liint CameraService::Client::getOrientation(int degrees, bool mirror) { 1200e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li if (!mirror) { 1201e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li if (degrees == 0) return 0; 1202e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li else if (degrees == 90) return HAL_TRANSFORM_ROT_90; 1203e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li else if (degrees == 180) return HAL_TRANSFORM_ROT_180; 1204e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li else if (degrees == 270) return HAL_TRANSFORM_ROT_270; 1205e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } else { // Do mirror (horizontal flip) 1206e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li if (degrees == 0) { // FLIP_H and ROT_0 1207e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li return HAL_TRANSFORM_FLIP_H; 1208e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } else if (degrees == 90) { // FLIP_H and ROT_90 1209e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li return HAL_TRANSFORM_FLIP_H | HAL_TRANSFORM_ROT_90; 1210e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } else if (degrees == 180) { // FLIP_H and ROT_180 1211e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li return HAL_TRANSFORM_FLIP_V; 1212e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } else if (degrees == 270) { // FLIP_H and ROT_270 1213e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li return HAL_TRANSFORM_FLIP_V | HAL_TRANSFORM_ROT_90; 1214e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } 1215e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li } 121629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid setDisplayOrientation degrees=%d", degrees); 1217e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li return -1; 1218e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li} 1219e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li 1220e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li 122165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 122265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 122365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const int kDumpLockRetries = 50; 122465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const int kDumpLockSleep = 60000; 122565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 122665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic bool tryLock(Mutex& mutex) 122765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 122865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = false; 122965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < kDumpLockRetries; ++i) { 123065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mutex.tryLock() == NO_ERROR) { 123165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian locked = true; 123265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 123365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 123465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian usleep(kDumpLockSleep); 123565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 123665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return locked; 123765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 123865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 123965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t CameraService::dump(int fd, const Vector<String16>& args) { 124065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian static const char* kDeadlockedString = "CameraService may be deadlocked\n"; 124165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 124265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const size_t SIZE = 256; 124365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian char buffer[SIZE]; 124465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 result; 124565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 124665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian snprintf(buffer, SIZE, "Permission Denial: " 124765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't dump CameraService from pid=%d, uid=%d\n", 124865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian getCallingPid(), 124965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian getCallingUid()); 125065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append(buffer); 125165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 125265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else { 125365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = tryLock(mServiceLock); 125465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // failed to lock - CameraService is probably deadlocked 125565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!locked) { 125665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 result(kDeadlockedString); 125765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 125865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 125965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 126065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool hasClient = false; 126165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < mNumberOfCameras; i++) { 126265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<Client> client = mClient[i].promote(); 126365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (client == 0) continue; 126465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian hasClient = true; 126565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sprintf(buffer, "Client[%d] (%p) PID: %d\n", 126665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian i, 126765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->getCameraClient()->asBinder().get(), 126865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->mClientPid); 126965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append(buffer); 127065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 127165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian client->mHardware->dump(fd, args); 127265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 127365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!hasClient) { 127465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append("No camera client yet.\n"); 127565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 127665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 127765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 127865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (locked) mServiceLock.unlock(); 127965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 128065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // change logging level 128165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int n = args.size(); 128265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i + 1 < n; i++) { 128365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (args[i] == String16("-v")) { 128465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 levelStr(args[i+1]); 128565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int level = atoi(levelStr.string()); 128665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sprintf(buffer, "Set Log Level to %d", level); 128765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append(buffer); 128865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian setLogLevel(level); 128965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 129065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 129165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 129265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 129365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 129465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 129565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; // namespace android 1296