Camera.cpp revision 48af7e8dd40883d6154e7029d9500072b551b5fa
16df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui/* 26df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui** 36df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui** Copyright (C) 2008, The Android Open Source Project 46df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui** 56df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui** Licensed under the Apache License, Version 2.0 (the "License"); 66df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui** you may not use this file except in compliance with the License. 76df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui** You may obtain a copy of the License at 86df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui** 96df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui** http://www.apache.org/licenses/LICENSE-2.0 106df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui** 116df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui** Unless required by applicable law or agreed to in writing, software 126df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui** distributed under the License is distributed on an "AS IS" BASIS, 136df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 146df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui** See the License for the specific language governing permissions and 156df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui** limitations under the License. 166df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui*/ 176df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 186df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui//#define LOG_NDEBUG 0 196df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui#define LOG_TAG "Camera" 206df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui#include <utils/Log.h> 216df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui#include <utils/threads.h> 221b86fe063badb5f28c467ade39be0f4008688947Andreas Huber#include <utils/String16.h> 236df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui#include <binder/IPCThreadState.h> 246df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui#include <binder/IServiceManager.h> 256df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui#include <binder/IMemory.h> 266df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 276df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui#include <camera/Camera.h> 286df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui#include <camera/ICameraRecordingProxyListener.h> 296df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui#include <camera/ICameraService.h> 306df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 316df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui#include <gui/IGraphicBufferProducer.h> 326df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui#include <gui/Surface.h> 336df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 346df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuinamespace android { 356df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 366df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui// client singleton for camera service binder interface 376df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuiMutex Camera::mLock; 386df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuisp<ICameraService> Camera::mCameraService; 396df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuisp<Camera::DeathNotifier> Camera::mDeathNotifier; 406df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 416df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui// establish binder interface to camera service 426df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuiconst sp<ICameraService>& Camera::getCameraService() 436df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 446df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui Mutex::Autolock _l(mLock); 456df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (mCameraService.get() == 0) { 466df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp<IServiceManager> sm = defaultServiceManager(); 476df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp<IBinder> binder; 486df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui do { 496df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui binder = sm->getService(String16("media.camera")); 506df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (binder != 0) 516df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui break; 526df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGW("CameraService not published, waiting..."); 536df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui usleep(500000); // 0.5 s 546df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui } while(true); 556df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (mDeathNotifier == NULL) { 566df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui mDeathNotifier = new DeathNotifier(); 576df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui } 586df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui binder->linkToDeath(mDeathNotifier); 59e0fb528f8e3bbab04620c8534177168b358e837bztenghui mCameraService = interface_cast<ICameraService>(binder); 60e0fb528f8e3bbab04620c8534177168b358e837bztenghui } 616df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGE_IF(mCameraService==0, "no CameraService!?"); 621b86fe063badb5f28c467ade39be0f4008688947Andreas Huber return mCameraService; 636df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 646df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 656df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui// --------------------------------------------------------------------------- 666df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 676df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuiCamera::Camera() 686df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 696df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui init(); 706df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 716df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 726df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui// construct a camera client from an existing camera remote 736df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuisp<Camera> Camera::create(const sp<ICamera>& camera) 743db62dfc5102247d415df4667bd9609e669fc022ztenghui{ 753db62dfc5102247d415df4667bd9609e669fc022ztenghui ALOGV("create"); 766df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (camera == 0) { 776df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGE("camera remote is a NULL pointer"); 786df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return 0; 796df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui } 806df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 816df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp<Camera> c = new Camera(); 826df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (camera->connect(c) == NO_ERROR) { 836df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui c->mStatus = NO_ERROR; 846df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui c->mCamera = camera; 856df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui camera->asBinder()->linkToDeath(c); 866df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c; 876df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui } 886df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return 0; 896df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 906df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 916df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuivoid Camera::init() 926df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 936df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui mStatus = UNKNOWN_ERROR; 946df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 956df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 966df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuiCamera::~Camera() 976df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 986df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui // We don't need to call disconnect() here because if the CameraService 996df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui // thinks we are the owner of the hardware, it will hold a (strong) 1006df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui // reference to us, and we can't possibly be here. We also don't want to 1016df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui // call disconnect() here if we are in the same process as mediaserver, 1026df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui // because we may be invoked by CameraService::Client::connect() and will 1036df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui // deadlock if we call any method of ICamera here. 1046df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 1056df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 1066df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuiint32_t Camera::getNumberOfCameras() 1076df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 1086df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui const sp<ICameraService>& cs = getCameraService(); 1096df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (cs == 0) return 0; 1106df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return cs->getNumberOfCameras(); 1116df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 1126df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 1136df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuistatus_t Camera::getCameraInfo(int cameraId, 1146df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui struct CameraInfo* cameraInfo) { 1156df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui const sp<ICameraService>& cs = getCameraService(); 1166df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (cs == 0) return UNKNOWN_ERROR; 1176df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return cs->getCameraInfo(cameraId, cameraInfo); 1186df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 1196df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 1206df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuisp<Camera> Camera::connect(int cameraId, const String16& clientPackageName, 1216df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui int clientUid) 1226df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 1236df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGV("connect"); 1246df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp<Camera> c = new Camera(); 1256df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp<ICameraClient> cl = c; 1266df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui const sp<ICameraService>& cs = getCameraService(); 1276df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (cs != 0) { 1286df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui c->mCamera = cs->connect(cl, cameraId, clientPackageName, clientUid); 1296df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui } 1306df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (c->mCamera != 0) { 1316df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui c->mCamera->asBinder()->linkToDeath(c); 1326df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui c->mStatus = NO_ERROR; 1336df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui } else { 1346df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui c.clear(); 1356df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui } 1366df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c; 1376df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 1386df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 1396df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuivoid Camera::disconnect() 1406df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 1416df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGV("disconnect"); 1426df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (mCamera != 0) { 1436df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui mCamera->disconnect(); 1446df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui mCamera->asBinder()->unlinkToDeath(this); 1456df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui mCamera = 0; 146e0fb528f8e3bbab04620c8534177168b358e837bztenghui } 1476df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 1486df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 1496df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuistatus_t Camera::reconnect() 1506df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 1516df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGV("reconnect"); 1526df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp <ICamera> c = mCamera; 1536df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (c == 0) return NO_INIT; 1546df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c->connect(this); 1556df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 1566df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 1576df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuisp<ICamera> Camera::remote() 1586df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 1596df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return mCamera; 1606df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 1616df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 1626df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuistatus_t Camera::lock() 1636df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 1646df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp <ICamera> c = mCamera; 1656df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (c == 0) return NO_INIT; 1666df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c->lock(); 1676df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 1686df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 1696df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuistatus_t Camera::unlock() 1706df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 1716df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp <ICamera> c = mCamera; 1726df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (c == 0) return NO_INIT; 1736df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c->unlock(); 1746df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 1756df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 1766df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui// pass the buffered Surface to the camera service 1776df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuistatus_t Camera::setPreviewDisplay(const sp<Surface>& surface) 1786df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 1796df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGV("setPreviewDisplay(%p)", surface.get()); 1806df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp <ICamera> c = mCamera; 1816df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (c == 0) return NO_INIT; 1826df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (surface != 0) { 1836df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c->setPreviewDisplay(surface); 1846df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui } else { 1856df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGD("app passed NULL surface"); 1866df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c->setPreviewDisplay(0); 1876df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui } 1886df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 1896df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 1906df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui// pass the buffered IGraphicBufferProducer to the camera service 1916df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuistatus_t Camera::setPreviewTexture(const sp<IGraphicBufferProducer>& bufferProducer) 1926df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 1936df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGV("setPreviewTexture(%p)", bufferProducer.get()); 1946df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp <ICamera> c = mCamera; 1956df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (c == 0) return NO_INIT; 1966df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (bufferProducer != 0) { 1976df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c->setPreviewTexture(bufferProducer); 1986df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui } else { 1996df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGD("app passed NULL surface"); 2006df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c->setPreviewTexture(0); 2016df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui } 2026df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 2036df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 2046df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui// start preview mode 2056df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuistatus_t Camera::startPreview() 2066df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 2076df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGV("startPreview"); 2086df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp <ICamera> c = mCamera; 2096df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (c == 0) return NO_INIT; 2106df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c->startPreview(); 2116df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 2126df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 2136df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuistatus_t Camera::storeMetaDataInBuffers(bool enabled) 2146df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 2156df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGV("storeMetaDataInBuffers: %s", 216e0fb528f8e3bbab04620c8534177168b358e837bztenghui enabled? "true": "false"); 2176df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp <ICamera> c = mCamera; 2186df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (c == 0) return NO_INIT; 2196df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c->storeMetaDataInBuffers(enabled); 2206df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 2216df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 222e0fb528f8e3bbab04620c8534177168b358e837bztenghui// start recording mode, must call setPreviewDisplay first 2236df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuistatus_t Camera::startRecording() 2246df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 2256df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGV("startRecording"); 2266df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp <ICamera> c = mCamera; 2276df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (c == 0) return NO_INIT; 2286df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c->startRecording(); 2296df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 2306df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 2316df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui// stop preview mode 2326df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuivoid Camera::stopPreview() 2336df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 2346df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGV("stopPreview"); 2356df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp <ICamera> c = mCamera; 2366df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (c == 0) return; 2376df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui c->stopPreview(); 2386df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 2396df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 2406df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui// stop recording mode 2416df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuivoid Camera::stopRecording() 2426df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 2436df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGV("stopRecording"); 2446df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui { 2456df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui Mutex::Autolock _l(mLock); 2466df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui mRecordingProxyListener.clear(); 2476df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui } 2486df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp <ICamera> c = mCamera; 2496df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (c == 0) return; 2506df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui c->stopRecording(); 2516df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 2526df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 2536df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui// release a recording frame 254e0fb528f8e3bbab04620c8534177168b358e837bztenghuivoid Camera::releaseRecordingFrame(const sp<IMemory>& mem) 255e0fb528f8e3bbab04620c8534177168b358e837bztenghui{ 256e0fb528f8e3bbab04620c8534177168b358e837bztenghui ALOGV("releaseRecordingFrame"); 257e0fb528f8e3bbab04620c8534177168b358e837bztenghui sp <ICamera> c = mCamera; 258e0fb528f8e3bbab04620c8534177168b358e837bztenghui if (c == 0) return; 259e0fb528f8e3bbab04620c8534177168b358e837bztenghui c->releaseRecordingFrame(mem); 2606df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 2616df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 2626df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui// get preview state 2636df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuibool Camera::previewEnabled() 2646df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 2656df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGV("previewEnabled"); 2666df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp <ICamera> c = mCamera; 2676df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (c == 0) return false; 2686df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c->previewEnabled(); 2696df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 2706df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 2716df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui// get recording state 2726df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuibool Camera::recordingEnabled() 2736df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 2746df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGV("recordingEnabled"); 2756df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp <ICamera> c = mCamera; 2766df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (c == 0) return false; 2776df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c->recordingEnabled(); 2786df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 2796df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 2806df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuistatus_t Camera::autoFocus() 2816df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 2826df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGV("autoFocus"); 2836df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp <ICamera> c = mCamera; 2846df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (c == 0) return NO_INIT; 2856df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c->autoFocus(); 2866df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 2876df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 2886df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuistatus_t Camera::cancelAutoFocus() 2896df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 2906df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGV("cancelAutoFocus"); 2916df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp <ICamera> c = mCamera; 2926df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui if (c == 0) return NO_INIT; 2936df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c->cancelAutoFocus(); 2946df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 2956df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 2966df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui// take a picture 2976df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuistatus_t Camera::takePicture(int msgType) 2986df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui{ 2996df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui ALOGV("takePicture: 0x%x", msgType); 3006df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui sp <ICamera> c = mCamera; 301e0fb528f8e3bbab04620c8534177168b358e837bztenghui if (c == 0) return NO_INIT; 3026df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui return c->takePicture(msgType); 3036df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui} 3046df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui 3056df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghui// set preview/capture parameters - key/value pairs 3066df48bfe8cccdfec58f5f94be3cf3a2c64697e56ztenghuistatus_t Camera::setParameters(const String8& params) 307{ 308 ALOGV("setParameters"); 309 sp <ICamera> c = mCamera; 310 if (c == 0) return NO_INIT; 311 return c->setParameters(params); 312} 313 314// get preview/capture parameters - key/value pairs 315String8 Camera::getParameters() const 316{ 317 ALOGV("getParameters"); 318 String8 params; 319 sp <ICamera> c = mCamera; 320 if (c != 0) params = mCamera->getParameters(); 321 return params; 322} 323 324// send command to camera driver 325status_t Camera::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) 326{ 327 ALOGV("sendCommand"); 328 sp <ICamera> c = mCamera; 329 if (c == 0) return NO_INIT; 330 return c->sendCommand(cmd, arg1, arg2); 331} 332 333void Camera::setListener(const sp<CameraListener>& listener) 334{ 335 Mutex::Autolock _l(mLock); 336 mListener = listener; 337} 338 339void Camera::setRecordingProxyListener(const sp<ICameraRecordingProxyListener>& listener) 340{ 341 Mutex::Autolock _l(mLock); 342 mRecordingProxyListener = listener; 343} 344 345void Camera::setPreviewCallbackFlags(int flag) 346{ 347 ALOGV("setPreviewCallbackFlags"); 348 sp <ICamera> c = mCamera; 349 if (c == 0) return; 350 mCamera->setPreviewCallbackFlag(flag); 351} 352 353// callback from camera service 354void Camera::notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2) 355{ 356 sp<CameraListener> listener; 357 { 358 Mutex::Autolock _l(mLock); 359 listener = mListener; 360 } 361 if (listener != NULL) { 362 listener->notify(msgType, ext1, ext2); 363 } 364} 365 366// callback from camera service when frame or image is ready 367void Camera::dataCallback(int32_t msgType, const sp<IMemory>& dataPtr, 368 camera_frame_metadata_t *metadata) 369{ 370 sp<CameraListener> listener; 371 { 372 Mutex::Autolock _l(mLock); 373 listener = mListener; 374 } 375 if (listener != NULL) { 376 listener->postData(msgType, dataPtr, metadata); 377 } 378} 379 380// callback from camera service when timestamped frame is ready 381void Camera::dataCallbackTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr) 382{ 383 // If recording proxy listener is registered, forward the frame and return. 384 // The other listener (mListener) is ignored because the receiver needs to 385 // call releaseRecordingFrame. 386 sp<ICameraRecordingProxyListener> proxylistener; 387 { 388 Mutex::Autolock _l(mLock); 389 proxylistener = mRecordingProxyListener; 390 } 391 if (proxylistener != NULL) { 392 proxylistener->dataCallbackTimestamp(timestamp, msgType, dataPtr); 393 return; 394 } 395 396 sp<CameraListener> listener; 397 { 398 Mutex::Autolock _l(mLock); 399 listener = mListener; 400 } 401 if (listener != NULL) { 402 listener->postDataTimestamp(timestamp, msgType, dataPtr); 403 } else { 404 ALOGW("No listener was set. Drop a recording frame."); 405 releaseRecordingFrame(dataPtr); 406 } 407} 408 409void Camera::binderDied(const wp<IBinder>& who) { 410 ALOGW("ICamera died"); 411 notifyCallback(CAMERA_MSG_ERROR, CAMERA_ERROR_SERVER_DIED, 0); 412} 413 414void Camera::DeathNotifier::binderDied(const wp<IBinder>& who) { 415 ALOGV("binderDied"); 416 Mutex::Autolock _l(Camera::mLock); 417 Camera::mCameraService.clear(); 418 ALOGW("Camera server died!"); 419} 420 421sp<ICameraRecordingProxy> Camera::getRecordingProxy() { 422 ALOGV("getProxy"); 423 return new RecordingProxy(this); 424} 425 426status_t Camera::RecordingProxy::startRecording(const sp<ICameraRecordingProxyListener>& listener) 427{ 428 ALOGV("RecordingProxy::startRecording"); 429 mCamera->setRecordingProxyListener(listener); 430 mCamera->reconnect(); 431 return mCamera->startRecording(); 432} 433 434void Camera::RecordingProxy::stopRecording() 435{ 436 ALOGV("RecordingProxy::stopRecording"); 437 mCamera->stopRecording(); 438} 439 440void Camera::RecordingProxy::releaseRecordingFrame(const sp<IMemory>& mem) 441{ 442 ALOGV("RecordingProxy::releaseRecordingFrame"); 443 mCamera->releaseRecordingFrame(mem); 444} 445 446Camera::RecordingProxy::RecordingProxy(const sp<Camera>& camera) 447{ 448 mCamera = camera; 449} 450 451}; // namespace android 452