Camera.cpp revision 627baacc748c5e2ed68bdb256aea4d70fcfe9ce4
13cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian/* 23cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian** 33cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian** Copyright (C) 2008, The Android Open Source Project 43cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian** 53cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian** Licensed under the Apache License, Version 2.0 (the "License"); 63cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian** you may not use this file except in compliance with the License. 73cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian** You may obtain a copy of the License at 83cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian** 93cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian** http://www.apache.org/licenses/LICENSE-2.0 103cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian** 113cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian** Unless required by applicable law or agreed to in writing, software 123cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian** distributed under the License is distributed on an "AS IS" BASIS, 133cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 143cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian** See the License for the specific language governing permissions and 153cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian** limitations under the License. 163cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian*/ 173cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 183cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian//#define LOG_NDEBUG 0 193cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian#define LOG_TAG "Camera" 203cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian#include <utils/Log.h> 213cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian#include <utils/threads.h> 223cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 233cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian#include <binder/IServiceManager.h> 243cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian#include <binder/IMemory.h> 253cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 263cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian#include <camera/Camera.h> 273cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian#include <camera/ICameraService.h> 283cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 293cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian#include <surfaceflinger/Surface.h> 303cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 313cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopiannamespace android { 323cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 333cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// client singleton for camera service binder interface 343cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias AgopianMutex Camera::mLock; 353cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopiansp<ICameraService> Camera::mCameraService; 363cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopiansp<Camera::DeathNotifier> Camera::mDeathNotifier; 373cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 383cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// establish binder interface to camera service 393cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianconst sp<ICameraService>& Camera::getCameraService() 403cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 413cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian Mutex::Autolock _l(mLock); 423cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (mCameraService.get() == 0) { 433cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp<IServiceManager> sm = defaultServiceManager(); 443cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp<IBinder> binder; 453cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian do { 463cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian binder = sm->getService(String16("media.camera")); 473cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (binder != 0) 483cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian break; 493cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGW("CameraService not published, waiting..."); 503cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian usleep(500000); // 0.5 s 513cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } while(true); 523cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (mDeathNotifier == NULL) { 533cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian mDeathNotifier = new DeathNotifier(); 543cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } 553cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian binder->linkToDeath(mDeathNotifier); 563cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian mCameraService = interface_cast<ICameraService>(binder); 573cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } 583cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGE_IF(mCameraService==0, "no CameraService!?"); 593cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return mCameraService; 603cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 613cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 623cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// --------------------------------------------------------------------------- 633cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 643cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias AgopianCamera::Camera() 653cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 663cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian init(); 673cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 683cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 693cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// construct a camera client from an existing camera remote 703cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopiansp<Camera> Camera::create(const sp<ICamera>& camera) 713cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 723cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("create"); 733cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (camera == 0) { 743cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGE("camera remote is a NULL pointer"); 753cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return 0; 763cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } 773cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 783cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp<Camera> c = new Camera(); 793cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (camera->connect(c) == NO_ERROR) { 803cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian c->mStatus = NO_ERROR; 813cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian c->mCamera = camera; 823cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian camera->asBinder()->linkToDeath(c); 83627baacc748c5e2ed68bdb256aea4d70fcfe9ce4Wu-cheng Li return c; 843cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } 85627baacc748c5e2ed68bdb256aea4d70fcfe9ce4Wu-cheng Li return 0; 863cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 873cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 883cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianvoid Camera::init() 893cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 903cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian mStatus = UNKNOWN_ERROR; 913cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 923cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 933cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias AgopianCamera::~Camera() 943cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 95d06618ee31c11ac7ac6698f95444041a4785a5abChih-Chung Chang // We don't need to call disconnect() here because if the CameraService 96d06618ee31c11ac7ac6698f95444041a4785a5abChih-Chung Chang // thinks we are the owner of the hardware, it will hold a (strong) 97d06618ee31c11ac7ac6698f95444041a4785a5abChih-Chung Chang // reference to us, and we can't possibly be here. We also don't want to 98d06618ee31c11ac7ac6698f95444041a4785a5abChih-Chung Chang // call disconnect() here if we are in the same process as mediaserver, 99d06618ee31c11ac7ac6698f95444041a4785a5abChih-Chung Chang // because we may be invoked by CameraService::Client::connect() and will 100d06618ee31c11ac7ac6698f95444041a4785a5abChih-Chung Chang // deadlock if we call any method of ICamera here. 1013cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 1023cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 10335a055b8bfc6f3cbea409b2897caf936654519cbChih-Chung Changint32_t Camera::getNumberOfCameras() 10435a055b8bfc6f3cbea409b2897caf936654519cbChih-Chung Chang{ 10535a055b8bfc6f3cbea409b2897caf936654519cbChih-Chung Chang const sp<ICameraService>& cs = getCameraService(); 10635a055b8bfc6f3cbea409b2897caf936654519cbChih-Chung Chang if (cs == 0) return 0; 10735a055b8bfc6f3cbea409b2897caf936654519cbChih-Chung Chang return cs->getNumberOfCameras(); 10835a055b8bfc6f3cbea409b2897caf936654519cbChih-Chung Chang} 10935a055b8bfc6f3cbea409b2897caf936654519cbChih-Chung Chang 110ddbdb35d176266b5ab64c30178f5cb76c5b1b4b4Chih-Chung Changstatus_t Camera::getCameraInfo(int cameraId, 111ddbdb35d176266b5ab64c30178f5cb76c5b1b4b4Chih-Chung Chang struct CameraInfo* cameraInfo) { 112ddbdb35d176266b5ab64c30178f5cb76c5b1b4b4Chih-Chung Chang const sp<ICameraService>& cs = getCameraService(); 113ddbdb35d176266b5ab64c30178f5cb76c5b1b4b4Chih-Chung Chang if (cs == 0) return UNKNOWN_ERROR; 114ddbdb35d176266b5ab64c30178f5cb76c5b1b4b4Chih-Chung Chang return cs->getCameraInfo(cameraId, cameraInfo); 115ddbdb35d176266b5ab64c30178f5cb76c5b1b4b4Chih-Chung Chang} 116ddbdb35d176266b5ab64c30178f5cb76c5b1b4b4Chih-Chung Chang 11735a055b8bfc6f3cbea409b2897caf936654519cbChih-Chung Changsp<Camera> Camera::connect(int cameraId) 1183cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 1193cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("connect"); 1203cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp<Camera> c = new Camera(); 1213cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian const sp<ICameraService>& cs = getCameraService(); 1223cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (cs != 0) { 12335a055b8bfc6f3cbea409b2897caf936654519cbChih-Chung Chang c->mCamera = cs->connect(c, cameraId); 1243cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } 1253cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c->mCamera != 0) { 1263cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian c->mCamera->asBinder()->linkToDeath(c); 1273cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian c->mStatus = NO_ERROR; 1283cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } else { 1293cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian c.clear(); 1303cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } 1313cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return c; 1323cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 1333cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 1343cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianvoid Camera::disconnect() 1353cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 1363cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("disconnect"); 1373cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (mCamera != 0) { 1383cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian mCamera->disconnect(); 139f8ed70a20f8b006539af98c8ad45be9561665f82Chih-Chung Chang mCamera->asBinder()->unlinkToDeath(this); 1403cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian mCamera = 0; 1413cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } 1423cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 1433cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 1443cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianstatus_t Camera::reconnect() 1453cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 1463cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("reconnect"); 1473cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 1483cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return NO_INIT; 1493cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return c->connect(this); 1503cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 1513cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 1523cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopiansp<ICamera> Camera::remote() 1533cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 1543cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return mCamera; 1553cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 1563cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 1573cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianstatus_t Camera::lock() 1583cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 1593cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 1603cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return NO_INIT; 1613cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return c->lock(); 1623cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 1633cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 1643cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianstatus_t Camera::unlock() 1653cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 1663cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 1673cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return NO_INIT; 1683cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return c->unlock(); 1693cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 1703cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 1714b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis// pass the buffered Surface to the camera service 1723cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianstatus_t Camera::setPreviewDisplay(const sp<Surface>& surface) 1733cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 1744b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis LOGV("setPreviewDisplay(%p)", surface.get()); 1753cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 1763cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return NO_INIT; 1773cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (surface != 0) { 1784b79168835965cf0fc41ebe2a367e22b4cb20d08Jamie Gennis return c->setPreviewDisplay(surface); 1793cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } else { 1803cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGD("app passed NULL surface"); 1813cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return c->setPreviewDisplay(0); 1823cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } 1833cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 1843cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 1853cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// start preview mode 1863cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianstatus_t Camera::startPreview() 1873cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 1883cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("startPreview"); 1893cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 1903cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return NO_INIT; 1913cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return c->startPreview(); 1923cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 1933cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 194e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dongint32_t Camera::getNumberOfVideoBuffers() const 195e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong{ 196e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong LOGV("getNumberOfVideoBuffers"); 197e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong sp <ICamera> c = mCamera; 198e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong if (c == 0) return 0; 199e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong return c->getNumberOfVideoBuffers(); 200e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong} 201e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong 202e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dongsp<IMemory> Camera::getVideoBuffer(int32_t index) const 203e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong{ 204e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong LOGV("getVideoBuffer: %d", index); 205e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong sp <ICamera> c = mCamera; 206e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong if (c == 0) return 0; 207e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong return c->getVideoBuffer(index); 208e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong} 209e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong 210e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dongstatus_t Camera::storeMetaDataInBuffers(bool enabled) 211e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong{ 212e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong LOGV("storeMetaDataInBuffers: %s", 213e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong enabled? "true": "false"); 214e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong sp <ICamera> c = mCamera; 215e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong if (c == 0) return NO_INIT; 216e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong return c->storeMetaDataInBuffers(enabled); 217e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong} 218e2ad6734eccc4b9ea7857c747ff9469a9c11ba09James Dong 2193cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// start recording mode, must call setPreviewDisplay first 2203cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianstatus_t Camera::startRecording() 2213cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 2223cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("startRecording"); 2233cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 2243cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return NO_INIT; 2253cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return c->startRecording(); 2263cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 2273cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 2283cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// stop preview mode 2293cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianvoid Camera::stopPreview() 2303cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 2313cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("stopPreview"); 2323cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 2333cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return; 2343cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian c->stopPreview(); 2353cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 2363cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 2373cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// stop recording mode 2383cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianvoid Camera::stopRecording() 2393cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 2403cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("stopRecording"); 2413cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 2423cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return; 2433cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian c->stopRecording(); 2443cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 2453cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 2463cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// release a recording frame 2473cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianvoid Camera::releaseRecordingFrame(const sp<IMemory>& mem) 2483cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 2493cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("releaseRecordingFrame"); 2503cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 2513cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return; 2523cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian c->releaseRecordingFrame(mem); 2533cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 2543cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 2553cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// get preview state 2563cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianbool Camera::previewEnabled() 2573cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 2583cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("previewEnabled"); 2593cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 2603cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return false; 2613cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return c->previewEnabled(); 2623cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 2633cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 2643cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// get recording state 2653cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianbool Camera::recordingEnabled() 2663cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 2673cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("recordingEnabled"); 2683cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 2693cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return false; 2703cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return c->recordingEnabled(); 2713cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 2723cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 2733cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianstatus_t Camera::autoFocus() 2743cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 2753cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("autoFocus"); 2763cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 2773cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return NO_INIT; 2783cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return c->autoFocus(); 2793cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 2803cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 2813cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianstatus_t Camera::cancelAutoFocus() 2823cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 2833cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("cancelAutoFocus"); 2843cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 2853cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return NO_INIT; 2863cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return c->cancelAutoFocus(); 2873cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 2883cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 2893cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// take a picture 2903cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianstatus_t Camera::takePicture() 2913cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 2923cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("takePicture"); 2933cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 2943cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return NO_INIT; 2953cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return c->takePicture(); 2963cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 2973cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 2983cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// set preview/capture parameters - key/value pairs 2993cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianstatus_t Camera::setParameters(const String8& params) 3003cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 3013cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("setParameters"); 3023cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 3033cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return NO_INIT; 3043cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return c->setParameters(params); 3053cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 3063cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 3073cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// get preview/capture parameters - key/value pairs 3083cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias AgopianString8 Camera::getParameters() const 3093cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 3103cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("getParameters"); 3113cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian String8 params; 3123cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 3133cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c != 0) params = mCamera->getParameters(); 3143cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return params; 3153cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 3163cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 3173cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// send command to camera driver 3183cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianstatus_t Camera::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) 3193cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 3203cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("sendCommand"); 3213cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 3223cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return NO_INIT; 3233cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian return c->sendCommand(cmd, arg1, arg2); 3243cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 3253cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 3263cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianvoid Camera::setListener(const sp<CameraListener>& listener) 3273cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 3283cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian Mutex::Autolock _l(mLock); 3293cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian mListener = listener; 3303cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 3313cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 3323cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianvoid Camera::setPreviewCallbackFlags(int flag) 3333cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 3343cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("setPreviewCallbackFlags"); 3353cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp <ICamera> c = mCamera; 3363cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (c == 0) return; 3373cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian mCamera->setPreviewCallbackFlag(flag); 3383cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 3393cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 3403cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// callback from camera service 3413cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianvoid Camera::notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2) 3423cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 3433cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp<CameraListener> listener; 3443cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian { 3453cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian Mutex::Autolock _l(mLock); 3463cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian listener = mListener; 3473cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } 3483cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (listener != NULL) { 3493cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian listener->notify(msgType, ext1, ext2); 3503cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } 3513cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 3523cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 3533cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// callback from camera service when frame or image is ready 3543cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianvoid Camera::dataCallback(int32_t msgType, const sp<IMemory>& dataPtr) 3553cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 3563cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp<CameraListener> listener; 3573cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian { 3583cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian Mutex::Autolock _l(mLock); 3593cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian listener = mListener; 3603cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } 3613cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (listener != NULL) { 3623cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian listener->postData(msgType, dataPtr); 3633cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } 3643cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 3653cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 3663cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian// callback from camera service when timestamped frame is ready 3673cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianvoid Camera::dataCallbackTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr) 3683cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian{ 3693cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian sp<CameraListener> listener; 3703cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian { 3713cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian Mutex::Autolock _l(mLock); 3723cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian listener = mListener; 3733cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } 3743cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian if (listener != NULL) { 3753cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian listener->postDataTimestamp(timestamp, msgType, dataPtr); 376c42478ed7b8a379d2f8a43d4d349680c8a37573fJames Dong } else { 377c42478ed7b8a379d2f8a43d4d349680c8a37573fJames Dong LOGW("No listener was set. Drop a recording frame."); 378c42478ed7b8a379d2f8a43d4d349680c8a37573fJames Dong releaseRecordingFrame(dataPtr); 3793cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian } 3803cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 3813cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 3823cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianvoid Camera::binderDied(const wp<IBinder>& who) { 3833cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGW("ICamera died"); 3843cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian notifyCallback(CAMERA_MSG_ERROR, CAMERA_ERROR_SERVER_DIED, 0); 3853cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 3863cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 3873cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopianvoid Camera::DeathNotifier::binderDied(const wp<IBinder>& who) { 3883cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGV("binderDied"); 3893cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian Mutex::Autolock _l(Camera::mLock); 3903cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian Camera::mCameraService.clear(); 3913cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian LOGW("Camera server died!"); 3923cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian} 3933cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian 3943cf613507f1e2f7bd932d921a6e222e426fd3be4Mathias Agopian}; // namespace android 395