1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 /* 18 * Contains implementation of a class EmulatedFakeCamera that encapsulates 19 * functionality of a fake camera. 20 */ 21 22 #define LOG_NDEBUG 0 23 #define LOG_TAG "EmulatedCamera_FakeCamera" 24 #include "EmulatedFakeCamera.h" 25 #include <log/log.h> 26 #include <cutils/properties.h> 27 #undef min 28 #undef max 29 #include <algorithm> 30 #include <sstream> 31 #include <string> 32 #include "EmulatedCameraFactory.h" 33 34 namespace android { 35 36 EmulatedFakeCamera::EmulatedFakeCamera(int cameraId, bool facingBack, 37 struct hw_module_t* module) 38 : EmulatedCamera(cameraId, module), 39 mFacingBack(facingBack), 40 mFakeCameraDevice(this) {} 41 42 EmulatedFakeCamera::~EmulatedFakeCamera() {} 43 44 /**************************************************************************** 45 * Public API overrides 46 ***************************************************************************/ 47 48 status_t EmulatedFakeCamera::Initialize(const cvd::CameraDefinition& params) { 49 status_t res = mFakeCameraDevice.Initialize(); 50 if (res != NO_ERROR) { 51 return res; 52 } 53 54 const char* facing = 55 mFacingBack ? EmulatedCamera::FACING_BACK : EmulatedCamera::FACING_FRONT; 56 57 mParameters.set(EmulatedCamera::FACING_KEY, facing); 58 ALOGD("%s: Fake camera is facing %s", __FUNCTION__, facing); 59 60 mParameters.set(EmulatedCamera::ORIENTATION_KEY, 61 EmulatedCameraFactory::Instance().getFakeCameraOrientation()); 62 63 res = EmulatedCamera::Initialize(params); 64 if (res != NO_ERROR) { 65 return res; 66 } 67 68 /* 69 * Parameters provided by the camera device. 70 */ 71 72 /* 352x288 and 320x240 frame dimensions are required by the framework for 73 * video mode preview and video recording. */ 74 std::ostringstream resolutions; 75 for (size_t index = 0; index < params.resolutions.size(); ++index) { 76 if (resolutions.str().size()) { 77 resolutions << ","; 78 } 79 resolutions << params.resolutions[index].width << "x" 80 << params.resolutions[index].height; 81 } 82 83 mParameters.set(CameraParameters::KEY_SUPPORTED_PICTURE_SIZES, 84 resolutions.str().c_str()); 85 mParameters.set(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES, 86 resolutions.str().c_str()); 87 mParameters.setPreviewSize(640, 480); 88 mParameters.setPictureSize(640, 480); 89 90 mParameters.set(CameraParameters::KEY_SUPPORTED_ANTIBANDING, 91 CameraParameters::ANTIBANDING_AUTO); 92 mParameters.set(CameraParameters::KEY_ANTIBANDING, 93 CameraParameters::ANTIBANDING_AUTO); 94 mParameters.set(CameraParameters::KEY_SUPPORTED_EFFECTS, 95 CameraParameters::EFFECT_NONE); 96 mParameters.set(CameraParameters::KEY_EFFECT, CameraParameters::EFFECT_NONE); 97 98 return NO_ERROR; 99 } 100 101 EmulatedCameraDevice* EmulatedFakeCamera::getCameraDevice() { 102 return &mFakeCameraDevice; 103 } 104 105 }; /* namespace android */ 106