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 EmulatedQemuCamera that encapsulates 19 * functionality of an emulated camera connected to the host. 20 */ 21 22 #define LOG_NDEBUG 0 23 #define LOG_TAG "EmulatedCamera_QemuCamera" 24 #include "EmulatedQemuCamera.h" 25 #include <cutils/log.h> 26 #include "EmulatedCameraFactory.h" 27 28 namespace android { 29 30 EmulatedQemuCamera::EmulatedQemuCamera(int cameraId, struct hw_module_t* module) 31 : EmulatedCamera(cameraId, module), mQemuCameraDevice(this) {} 32 33 EmulatedQemuCamera::~EmulatedQemuCamera() {} 34 35 /**************************************************************************** 36 * EmulatedCamera virtual overrides. 37 ***************************************************************************/ 38 39 status_t EmulatedQemuCamera::Initialize(const char* device_name, 40 const char* frame_dims, 41 const char* facing_dir) { 42 ALOGV("%s:\n Name=%s\n Facing '%s'\n Dimensions=%s", __FUNCTION__, 43 device_name, facing_dir, frame_dims); 44 /* Save dimensions. */ 45 mFrameDims = frame_dims; 46 47 /* Initialize camera device. */ 48 status_t res = mQemuCameraDevice.Initialize(device_name); 49 if (res != NO_ERROR) { 50 return res; 51 } 52 53 /* Initialize base class. */ 54 res = EmulatedCamera::Initialize(); 55 if (res != NO_ERROR) { 56 return res; 57 } 58 59 /* 60 * Set customizable parameters. 61 */ 62 63 mParameters.set(EmulatedCamera::FACING_KEY, facing_dir); 64 mParameters.set(EmulatedCamera::ORIENTATION_KEY, 65 gEmulatedCameraFactory.getQemuCameraOrientation()); 66 mParameters.set(CameraParameters::KEY_SUPPORTED_PICTURE_SIZES, frame_dims); 67 mParameters.set(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES, frame_dims); 68 69 /* 70 * Use first dimension reported by the device to set current preview and 71 * picture sizes. 72 */ 73 74 char first_dim[128]; 75 /* Dimensions are separated with ',' */ 76 const char* c = strchr(frame_dims, ','); 77 if (c == NULL) { 78 strncpy(first_dim, frame_dims, sizeof(first_dim)); 79 first_dim[sizeof(first_dim) - 1] = '\0'; 80 } else if (static_cast<size_t>(c - frame_dims) < sizeof(first_dim)) { 81 memcpy(first_dim, frame_dims, c - frame_dims); 82 first_dim[c - frame_dims] = '\0'; 83 } else { 84 memcpy(first_dim, frame_dims, sizeof(first_dim)); 85 first_dim[sizeof(first_dim) - 1] = '\0'; 86 } 87 88 /* Width and height are separated with 'x' */ 89 char* sep = strchr(first_dim, 'x'); 90 if (sep == NULL) { 91 ALOGE("%s: Invalid first dimension format in %s", __FUNCTION__, frame_dims); 92 return EINVAL; 93 } 94 95 *sep = '\0'; 96 const int x = atoi(first_dim); 97 const int y = atoi(sep + 1); 98 mParameters.setPreviewSize(x, y); 99 mParameters.setPictureSize(x, y); 100 101 ALOGV("%s: Qemu camera %s is initialized. Current frame is %dx%d", 102 __FUNCTION__, device_name, x, y); 103 104 return NO_ERROR; 105 } 106 107 EmulatedCameraDevice* EmulatedQemuCamera::getCameraDevice() { 108 return &mQemuCameraDevice; 109 } 110 111 }; /* namespace android */ 112
