删除无用文件
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/*
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* Copyright (c) 2023 Hunan OpenValley Digital Industry Development Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// import camera from '@ohos.multimedia.camera';
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import deviceInfo from '@ohos.deviceInfo';
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import fileIo from '@ohos.file.fs';
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import image from '@ohos.multimedia.image';
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import media from '@ohos.multimedia.media';
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import mediaLibrary from '@ohos.multimedia.mediaLibrary';
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import Logger from '../utils/Logger';
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import MediaModel from './MediaModel';
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const FOUR = 4; // format
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const EIGHT = 8; // capacity
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const FOUR_THOUSAND_AND_SIXTY_NINE = 4096; // buffer大小
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const cameraMode = {
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modePhoto: 0, // 拍照模式
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modeVideo: 1, // 录像模式
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};
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const cameraWH = {
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width: 480,
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height: 360,
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};
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/**
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* 分辨率
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*/
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export enum VideoFrame {
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VIDEOFRAME_1920_1080,
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VIDEOFRAME_1280_720,
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VIDEOFRAME_800_600,
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};
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type VideoFrameWH = {
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width: number;
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height: number;
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};
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const TAG = '[CameraModel]';
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export default class CameraService {
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private mediaModel: MediaModel = undefined;
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private fileAsset: mediaLibrary.FileAsset = undefined;
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private cameraMgr: camera.CameraManager = undefined;
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private camerasArray: Array<camera.CameraDevice> = undefined;
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private cameraInput: camera.CameraInput = undefined;
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private previewOutput: camera.PreviewOutput = undefined;
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private photoOutPut: camera.PhotoOutput = undefined;
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private capSession: camera.CaptureSession = undefined;
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private videoOutput: camera.VideoOutput = undefined;
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private capability: camera.CameraOutputCapability = undefined;
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private avRecorder: media.AVRecorder = undefined;
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private receiver: image.ImageReceiver = undefined;
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private photoPath: string = '';
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private fd: number = -1;
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private takePictureHandle: (photoUri: string) => void = undefined;
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private currentMode:number = cameraMode.modePhoto;
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private videoFrameWH: VideoFrameWH = {
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width: 480,
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height: 360,
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}; // 视频分辨率
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private imageRotation: camera.ImageRotation = camera.ImageRotation.ROTATION_0; // 图片旋转角度
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private videoProfile: media.VideoRecorderProfile = {
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audioChannels: 2,
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audioCodec: media.CodecMimeType.AUDIO_AAC,
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audioBitrate: 48000,
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audioSampleRate: 48000,
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fileFormat: media.ContainerFormatType.CFT_MPEG_4,
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videoBitrate: 48000,
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videoCodec: media.CodecMimeType.VIDEO_MPEG4,
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videoFrameWidth: 480,
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videoFrameHeight: 360,
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videoFrameRate: 30,
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};
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private videoSourceType: number = 0;
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constructor() {
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this.mediaModel = MediaModel.getMediaInstance();
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this.receiver = image.createImageReceiver(
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cameraWH.width,
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cameraWH.height,
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FOUR,
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EIGHT
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);
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Logger.info(TAG, 'createImageReceiver');
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this.receiver.on('imageArrival', () => {
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Logger.info(TAG, 'imageArrival');
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this.receiver.readNextImage((err, image) => {
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Logger.info(TAG, 'readNextImage');
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if (err || image === undefined) {
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Logger.error(TAG, 'failed to get valid image');
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return;
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}
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image.getComponent(FOUR, (errMsg, img) => {
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Logger.info(TAG, 'getComponent');
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if (errMsg || img === undefined) {
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Logger.info(TAG, 'failed to get valid buffer');
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return;
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}
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let buffer = new ArrayBuffer(FOUR_THOUSAND_AND_SIXTY_NINE);
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if (img.byteBuffer) {
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buffer = img.byteBuffer;
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} else {
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Logger.error(TAG, 'img.byteBuffer is undefined');
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}
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this.saveImage(buffer, image);
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});
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});
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});
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}
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/**
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* 设置分辨率
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* @param videoFrame
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*/
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setVideoFrameWH(videoFrame: VideoFrame): void {
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switch (videoFrame) {
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case VideoFrame.VIDEOFRAME_800_600:
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this.videoFrameWH = {
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width: 800,
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height: 600,
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};
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Logger.info(
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TAG,
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`setVideoFrameWH videoFrameWH:${JSON.stringify(this.videoFrameWH)}`
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);
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break;
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case VideoFrame.VIDEOFRAME_1280_720:
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this.videoFrameWH = {
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width: 1280,
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height: 720,
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};
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Logger.info(
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TAG,
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`setVideoFrameWH videoFrameWH:${JSON.stringify(this.videoFrameWH)}`
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);
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break;
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case VideoFrame.VIDEOFRAME_1920_1080:
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this.videoFrameWH = {
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width: 1920,
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height: 1080,
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};
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Logger.info(
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TAG,
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`setVideoFrameWH videoFrameWH:${JSON.stringify(this.videoFrameWH)}`
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);
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break;
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}
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}
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/**
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* 设置图片旋转角度
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* @param imageRotation
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*/
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setImageRotation(imageRotation: camera.ImageRotation): void {
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this.imageRotation = imageRotation;
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}
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/**
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* 保存图片
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* @param buffer
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* @param img
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*/
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async saveImage(buffer: ArrayBuffer, img: image.Image): Promise<void> {
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Logger.info(TAG, 'savePicture');
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this.fileAsset = await this.mediaModel.createAndGetUri(mediaLibrary.MediaType.IMAGE);
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this.photoPath = this.fileAsset.uri;
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Logger.info(TAG, `this.photoUri = ${this.photoPath}`);
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this.fd = await this.mediaModel.getFdPath(this.fileAsset);
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Logger.info(TAG, `this.fd = ${this.fd}`);
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await fileIo.write(this.fd, buffer);
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await this.fileAsset.close(this.fd);
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await img.release();
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Logger.info(TAG, 'save image done');
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if (this.takePictureHandle) {
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this.takePictureHandle(this.photoPath);
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}
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}
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/**
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* 初始化相机
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* @param surfaceId
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*/
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async initCamera(surfaceId: string): Promise<void> {
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Logger.info(TAG, `initCamera surfaceId:${surfaceId}`);
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await this.cameraRelease();
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Logger.info(TAG, `deviceInfo.deviceType = ${deviceInfo.deviceType}`);
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if (deviceInfo.deviceType === 'default') {
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Logger.info(TAG, `deviceInfo.deviceType default 1 = ${deviceInfo.deviceType}`);
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this.videoSourceType = 1;
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Logger.info(TAG, `deviceInfo.deviceType default 2 = ${deviceInfo.deviceType}`);
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} else {
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Logger.info(TAG, `deviceInfo.deviceType other 1 = ${deviceInfo.deviceType}`);
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this.videoSourceType = 0;
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Logger.info(TAG, `deviceInfo.deviceType other 2 = ${deviceInfo.deviceType}`);
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}
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Logger.info(TAG, 'getCameraManager begin');
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try {
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Logger.info(TAG, 'getCameraManager try begin');
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this.cameraMgr = camera.getCameraManager(globalThis.cameraContext);
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Logger.info(TAG, 'getCameraManager try end');
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} catch (e) {
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Logger.info(TAG, `getCameraManager catch e:${JSON.stringify(e)}`);
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Logger.info(TAG, `getCameraManager catch code:${JSON.stringify(e.code)}`);
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Logger.info(TAG, `getCameraManager catch message:${JSON.stringify(e.message)}`);
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}
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Logger.info(TAG, 'getCameraManager end');
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Logger.info(TAG, `getCameraManager ${JSON.stringify(this.cameraMgr)}`);
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this.camerasArray = this.cameraMgr.getSupportedCameras();
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Logger.info(TAG, `get cameras ${this.camerasArray.length}`);
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if (this.camerasArray.length === 0) {
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Logger.info(TAG, 'cannot get cameras');
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return;
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}
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let mCamera = this.camerasArray[0];
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this.cameraInput = this.cameraMgr.createCameraInput(mCamera);
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this.cameraInput.open();
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Logger.info(TAG, 'createCameraInput');
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this.capability = this.cameraMgr.getSupportedOutputCapability(mCamera);
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let previewProfile = this.capability.previewProfiles[0];
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this.previewOutput = this.cameraMgr.createPreviewOutput(
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previewProfile,
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surfaceId
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);
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Logger.info(TAG, 'createPreviewOutput');
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let rSurfaceId = await this.receiver.getReceivingSurfaceId();
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let photoProfile = this.capability.photoProfiles[0];
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this.photoOutPut = this.cameraMgr.createPhotoOutput(
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photoProfile,
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rSurfaceId
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);
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this.capSession = this.cameraMgr.createCaptureSession();
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Logger.info(TAG, 'createCaptureSession');
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this.capSession.beginConfig();
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Logger.info(TAG, 'beginConfig');
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this.capSession.addInput(this.cameraInput);
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this.capSession.addOutput(this.previewOutput);
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this.capSession.addOutput(this.photoOutPut);
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await this.capSession.commitConfig();
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await this.capSession.start();
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Logger.info(TAG, 'captureSession start');
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}
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setTakePictureHandleCallback(callback): void {
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this.takePictureHandle = callback;
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}
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/**
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* 拍照
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*/
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async takePicture(): Promise<void> {
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Logger.info(TAG, 'takePicture');
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if (this.currentMode === cameraMode.modeVideo) {
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this.currentMode = cameraMode.modePhoto;
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}
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Logger.info(TAG, `takePicture imageRotation:${this.imageRotation}`);
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let photoSettings = {
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rotation: this.imageRotation,
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quality: camera.QualityLevel.QUALITY_LEVEL_MEDIUM,
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location: {
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// 位置信息，经纬度
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latitude: 12.9698,
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longitude: 77.75,
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altitude: 1000,
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},
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mirror: false,
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};
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await this.photoOutPut.capture(photoSettings);
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Logger.info(TAG, 'takePicture done');
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AppStorage.Set('isRefresh', true);
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}
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/**
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* 开始录像
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*/
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async startVideo(): Promise<void> {
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Logger.info(TAG, 'startVideo begin');
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Logger.info(TAG, 'startVideo 1');
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await this.capSession.stop();
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Logger.info(TAG, 'startVideo 2');
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this.capSession.beginConfig();
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Logger.info(TAG, 'startVideo 3');
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if (this.currentMode === cameraMode.modePhoto) {
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this.currentMode = cameraMode.modeVideo;
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if (this.photoOutPut) {
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this.capSession.removeOutput(this.photoOutPut);
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this.photoOutPut.release();
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}
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} else {
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if (this.videoOutput) {
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try {
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Logger.info(TAG, 'startVideo 4');
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this.capSession.removeOutput(this.videoOutput);
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Logger.info(TAG, 'startVideo 5');
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} catch (e) {
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Logger.info(TAG, `startVideo catch e:${JSON.stringify(e)}`);
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Logger.info(TAG, `startVideo catch code:${JSON.stringify(e.code)}`);
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Logger.info(TAG, `startVideo catch message:${JSON.stringify(e.message)}`);
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}
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}
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}
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if (this.videoOutput) {
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try {
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Logger.info(TAG, 'startVideo 6');
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this.capSession.removeOutput(this.videoOutput);
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Logger.info(TAG, 'startVideo 7');
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} catch (e) {
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Logger.info(TAG, `startVideo catch e:${JSON.stringify(e)}`);
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Logger.info(TAG, `startVideo catch code:${JSON.stringify(e.code)}`);
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Logger.info(TAG, `startVideo catch message:${JSON.stringify(e.message)}`);
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}
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try {
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Logger.info(TAG, 'startVideo release 1');
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await this.videoOutput.release();
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Logger.info(TAG, 'startVideo release 2');
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} catch (e) {
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Logger.info(TAG, `startVideo catch e:${JSON.stringify(e)}`);
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Logger.info(TAG, `startVideo catch code:${JSON.stringify(e.code)}`);
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Logger.info(TAG, `startVideo catch message:${JSON.stringify(e.message)}`);
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}
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}
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Logger.info(TAG, 'startVideo 8');
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this.fileAsset = await this.mediaModel.createAndGetUri(mediaLibrary.MediaType.VIDEO);
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Logger.info(TAG, `startVideo fileAsset:${this.fileAsset}`);
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this.fd = await this.mediaModel.getFdPath(this.fileAsset);
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Logger.info(TAG, `startVideo fd:${this.fd}`);
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media.createAVRecorder(async (error, recorder) => {
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Logger.info(TAG, `startVideo into createAVRecorder:${recorder}`);
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if (recorder != null) {
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Logger.info(TAG, `startVideo into recorder:${recorder}`);
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this.avRecorder = recorder;
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Logger.info(TAG, `startVideo createAVRecorder success:${this.avRecorder}`);
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// 当前录像配置
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let currConfig = {
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audioSourceType: 1,
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videoSourceType: this.videoSourceType,
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profile: this.videoProfile,
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url: `fd://${this.fd}`,
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rotation: 0
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};
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Logger.info(TAG, `startVideo into recorder:${recorder}`);
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await this.avRecorder.prepare(currConfig);
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Logger.info(TAG, `startVideo videoConfig:${JSON.stringify(currConfig)}`);
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let videoId = await this.avRecorder.getInputSurface();
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let videoProfile = this.capability.videoProfiles[0];
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Logger.info(TAG, `startVideo capability.videoProfiles[]=: ${JSON.stringify(this.capability.videoProfiles)}`);
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Logger.info(TAG, `startVideo videoProfile:${JSON.stringify(videoProfile)}`);
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this.videoOutput = this.cameraMgr.createVideoOutput(videoProfile, videoId);
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Logger.info(TAG, `startVideo videoOutput:${this.videoOutput}`);
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this.capSession.addOutput(this.videoOutput);
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Logger.info(TAG, 'startVideo addOutput');
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await this.capSession.commitConfig();
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Logger.info(TAG, 'startVideo commitConfig');
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await this.capSession.start();
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Logger.info(TAG, 'startVideo commitConfig capSession');
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await this.videoOutput.start();
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Logger.info(TAG, 'startVideo commitConfig videoOutput');
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try {
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Logger.info(TAG, 'startVideo avRecorder.start 1');
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await this.avRecorder.start();
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Logger.info(TAG, 'startVideo avRecorder.start 2');
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} catch (e) {
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Logger.info(TAG, `startVideo catch e:${JSON.stringify(e)}`);
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}
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Logger.info(TAG, 'startVideo end');
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} else {
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Logger.info(TAG, `startVideo createAVRecorder fail, error:${error}`);
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}
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});
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}
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/**
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* 停止录像
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*/
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async stopVideo(): Promise<void> {
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Logger.info(TAG, 'stopVideo called');
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await this.avRecorder.stop();
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await this.avRecorder.release();
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await this.videoOutput.stop();
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await this.fileAsset.close(this.fd);
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}
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/**
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* 资源释放
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*/
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async cameraRelease(): Promise<void> {
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Logger.info(TAG, 'releaseCamera');
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if (this.cameraInput) {
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await this.cameraInput.close();
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}
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if (this.previewOutput) {
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await this.previewOutput.release();
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}
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if (this.photoOutPut) {
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await this.photoOutPut.release();
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}
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if (this.videoOutput) {
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await this.videoOutput.release();
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}
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if (this.capSession) {
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await this.capSession.release();
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}
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}
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}
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@ -1,424 +0,0 @@
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/*
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* Copyright (c) 2023 Hunan OpenValley Digital Industry Development Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
|
||||
*
|
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* http://www.apache.org/licenses/LICENSE-2.0
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*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
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*/
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|
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import camera from '@ohos.multimedia.camera';
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import deviceInfo from '@ohos.deviceInfo';
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import fileIo from '@ohos.file.fs';
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import image from '@ohos.multimedia.image';
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import media from '@ohos.multimedia.media';
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import mediaLibrary from '@ohos.multimedia.mediaLibrary';
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import Logger from '../utils/Logger';
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import MediaModel from './MediaModel';
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|
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const FOUR = 4; // format
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const EIGHT = 8; // capacity
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const FOUR_THOUSAND_AND_SIXTY_NINE = 4096; // buffer大小
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|
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const cameraMode = {
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modePhoto: 0, // 拍照模式
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modeVideo: 1, // 录像模式
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};
|
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const cameraWH = {
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width: 480,
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height: 360,
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};
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/**
|
||||
* 分辨率
|
||||
*/
|
||||
export enum VideoFrame {
|
||||
VIDEOFRAME_1920_1080,
|
||||
VIDEOFRAME_1280_720,
|
||||
VIDEOFRAME_800_600,
|
||||
};
|
||||
|
||||
type VideoFrameWH = {
|
||||
width: number;
|
||||
height: number;
|
||||
};
|
||||
|
||||
const TAG = '[CameraModel]';
|
||||
|
||||
export default class CameraService {
|
||||
private mediaModel: MediaModel = undefined;
|
||||
private fileAsset: mediaLibrary.FileAsset = undefined;
|
||||
private cameraMgr: camera.CameraManager
|
||||
private camerasArray: Array<camera.CameraDevice> = undefined;
|
||||
private cameraInput: camera.CameraInput = undefined;
|
||||
private previewOutput: camera.PreviewOutput = undefined;
|
||||
private photoOutPut: camera.PhotoOutput = undefined;
|
||||
private capSession: camera.CaptureSession = undefined;
|
||||
private videoOutput: camera.VideoOutput = undefined;
|
||||
private capability: camera.CameraOutputCapability = undefined;
|
||||
|
||||
private avRecorder: media.AVRecorder = undefined;
|
||||
private receiver: image.ImageReceiver = undefined;
|
||||
private photoPath: string = '';
|
||||
private fd: number = -1;
|
||||
private takePictureHandle: (photoUri: string) => void = undefined;
|
||||
private currentMode:number = cameraMode.modePhoto;
|
||||
|
||||
private videoFrameWH: VideoFrameWH = {
|
||||
width: 480,
|
||||
height: 360,
|
||||
}; // 视频分辨率
|
||||
private imageRotation: camera.ImageRotation = camera.ImageRotation.ROTATION_0; // 图片旋转角度
|
||||
|
||||
private videoProfile: media.VideoRecorderProfile = {
|
||||
audioChannels: 2,
|
||||
audioCodec: media.CodecMimeType.AUDIO_AAC,
|
||||
audioBitrate: 48000,
|
||||
audioSampleRate: 48000,
|
||||
fileFormat: media.ContainerFormatType.CFT_MPEG_4,
|
||||
videoBitrate: 48000,
|
||||
videoCodec: media.CodecMimeType.VIDEO_MPEG4,
|
||||
videoFrameWidth: 480,
|
||||
videoFrameHeight: 360,
|
||||
videoFrameRate: 30,
|
||||
};
|
||||
private videoSourceType: number = 0;
|
||||
|
||||
constructor() {
|
||||
this.mediaModel = MediaModel.getMediaInstance();
|
||||
this.receiver = image.createImageReceiver(
|
||||
cameraWH.width,
|
||||
cameraWH.height,
|
||||
FOUR,
|
||||
EIGHT
|
||||
);
|
||||
Logger.info(TAG, 'createImageReceiver');
|
||||
this.receiver.on('imageArrival', () => {
|
||||
Logger.info(TAG, 'imageArrival');
|
||||
this.receiver.readNextImage((err, image) => {
|
||||
Logger.info(TAG, 'readNextImage');
|
||||
if (err || image === undefined) {
|
||||
Logger.error(TAG, 'failed to get valid image');
|
||||
return;
|
||||
}
|
||||
image.getComponent(FOUR, (errMsg, img) => {
|
||||
Logger.info(TAG, 'getComponent');
|
||||
if (errMsg || img === undefined) {
|
||||
Logger.info(TAG, 'failed to get valid buffer');
|
||||
return;
|
||||
}
|
||||
let buffer = new ArrayBuffer(FOUR_THOUSAND_AND_SIXTY_NINE);
|
||||
if (img.byteBuffer) {
|
||||
buffer = img.byteBuffer;
|
||||
} else {
|
||||
Logger.error(TAG, 'img.byteBuffer is undefined');
|
||||
}
|
||||
this.saveImage(buffer, image);
|
||||
});
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* 设置分辨率
|
||||
* @param videoFrame
|
||||
*/
|
||||
setVideoFrameWH(videoFrame: VideoFrame): void {
|
||||
switch (videoFrame) {
|
||||
case VideoFrame.VIDEOFRAME_800_600:
|
||||
this.videoFrameWH = {
|
||||
width: 800,
|
||||
height: 600,
|
||||
};
|
||||
Logger.info(
|
||||
TAG,
|
||||
`setVideoFrameWH videoFrameWH:${JSON.stringify(this.videoFrameWH)}`
|
||||
);
|
||||
break;
|
||||
case VideoFrame.VIDEOFRAME_1280_720:
|
||||
this.videoFrameWH = {
|
||||
width: 1280,
|
||||
height: 720,
|
||||
};
|
||||
Logger.info(
|
||||
TAG,
|
||||
`setVideoFrameWH videoFrameWH:${JSON.stringify(this.videoFrameWH)}`
|
||||
);
|
||||
break;
|
||||
case VideoFrame.VIDEOFRAME_1920_1080:
|
||||
this.videoFrameWH = {
|
||||
width: 1920,
|
||||
height: 1080,
|
||||
};
|
||||
Logger.info(
|
||||
TAG,
|
||||
`setVideoFrameWH videoFrameWH:${JSON.stringify(this.videoFrameWH)}`
|
||||
);
|
||||
break;
|
||||
}
|
||||
}
|
||||
/**
|
||||
* 设置图片旋转角度
|
||||
* @param imageRotation
|
||||
*/
|
||||
setImageRotation(imageRotation: camera.ImageRotation): void {
|
||||
this.imageRotation = imageRotation;
|
||||
}
|
||||
|
||||
/**
|
||||
* 保存图片
|
||||
* @param buffer
|
||||
* @param img
|
||||
*/
|
||||
async saveImage(buffer: ArrayBuffer, img: image.Image): Promise<void> {
|
||||
Logger.info(TAG, 'savePicture');
|
||||
this.fileAsset = await this.mediaModel.createAndGetUri(mediaLibrary.MediaType.IMAGE);
|
||||
this.photoPath = this.fileAsset.uri;
|
||||
Logger.info(TAG, `this.photoUri = ${this.photoPath}`);
|
||||
this.fd = await this.mediaModel.getFdPath(this.fileAsset);
|
||||
Logger.info(TAG, `this.fd = ${this.fd}`);
|
||||
await fileIo.write(this.fd, buffer);
|
||||
await this.fileAsset.close(this.fd);
|
||||
await img.release();
|
||||
Logger.info(TAG, 'save image done');
|
||||
if (this.takePictureHandle) {
|
||||
this.takePictureHandle(this.photoPath);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 初始化相机
|
||||
* @param surfaceId
|
||||
*/
|
||||
async initCamera(surfaceId: string): Promise<void> {
|
||||
Logger.info(TAG, `initCamera surfaceId:${surfaceId}`);
|
||||
await this.cameraRelease();
|
||||
Logger.info(TAG, `deviceInfo.deviceType = ${deviceInfo.deviceType}`);
|
||||
if (deviceInfo.deviceType === 'default') {
|
||||
Logger.info(TAG, `deviceInfo.deviceType default 1 = ${deviceInfo.deviceType}`);
|
||||
this.videoSourceType = 1;
|
||||
Logger.info(TAG, `deviceInfo.deviceType default 2 = ${deviceInfo.deviceType}`);
|
||||
} else {
|
||||
Logger.info(TAG, `deviceInfo.deviceType other 1 = ${deviceInfo.deviceType}`);
|
||||
this.videoSourceType = 0;
|
||||
Logger.info(TAG, `deviceInfo.deviceType other 2 = ${deviceInfo.deviceType}`);
|
||||
}
|
||||
Logger.info(TAG, 'getCameraManager begin');
|
||||
try {
|
||||
Logger.info(TAG, 'getCameraManager try begin');
|
||||
this.cameraMgr = camera.getCameraManager(globalThis.cameraContext);
|
||||
Logger.info(TAG, 'getCameraManager try end');
|
||||
} catch (e) {
|
||||
Logger.info(TAG, `getCameraManager catch e:${JSON.stringify(e)}`);
|
||||
Logger.info(TAG, `getCameraManager catch code:${JSON.stringify(e.code)}`);
|
||||
Logger.info(TAG, `getCameraManager catch message:${JSON.stringify(e.message)}`);
|
||||
}
|
||||
Logger.info(TAG, 'getCameraManager end');
|
||||
Logger.info(TAG, `getCameraManager ${JSON.stringify(this.cameraMgr)}`);
|
||||
this.camerasArray = this.cameraMgr.getSupportedCameras();
|
||||
Logger.info(TAG, `get cameras ${this.camerasArray.length}`);
|
||||
if (this.camerasArray.length === 0) {
|
||||
Logger.info(TAG, 'cannot get cameras');
|
||||
return;
|
||||
}
|
||||
|
||||
let mCamera = this.camerasArray[0];
|
||||
this.cameraInput = this.cameraMgr.createCameraInput(mCamera);
|
||||
this.cameraInput.open();
|
||||
Logger.info(TAG, 'createCameraInput');
|
||||
this.capability = this.cameraMgr.getSupportedOutputCapability(mCamera);
|
||||
let previewProfile = this.capability.previewProfiles[0];
|
||||
this.previewOutput = this.cameraMgr.createPreviewOutput(
|
||||
previewProfile,
|
||||
surfaceId
|
||||
);
|
||||
Logger.info(TAG, 'createPreviewOutput');
|
||||
let rSurfaceId = await this.receiver.getReceivingSurfaceId();
|
||||
let photoProfile = this.capability.photoProfiles[0];
|
||||
this.photoOutPut = this.cameraMgr.createPhotoOutput(
|
||||
photoProfile,
|
||||
rSurfaceId
|
||||
);
|
||||
this.capSession = this.cameraMgr.createCaptureSession();
|
||||
Logger.info(TAG, 'createCaptureSession');
|
||||
this.capSession.beginConfig();
|
||||
Logger.info(TAG, 'beginConfig');
|
||||
this.capSession.addInput(this.cameraInput);
|
||||
this.capSession.addOutput(this.previewOutput);
|
||||
this.capSession.addOutput(this.photoOutPut);
|
||||
await this.capSession.commitConfig();
|
||||
await this.capSession.start();
|
||||
Logger.info(TAG, 'captureSession start');
|
||||
}
|
||||
|
||||
setTakePictureHandleCallback(callback): void {
|
||||
this.takePictureHandle = callback;
|
||||
}
|
||||
|
||||
/**
|
||||
* 拍照
|
||||
*/
|
||||
async takePicture(): Promise<void> {
|
||||
Logger.info(TAG, 'takePicture');
|
||||
if (this.currentMode === cameraMode.modeVideo) {
|
||||
this.currentMode = cameraMode.modePhoto;
|
||||
}
|
||||
Logger.info(TAG, `takePicture imageRotation:${this.imageRotation}`);
|
||||
let photoSettings = {
|
||||
rotation: this.imageRotation,
|
||||
quality: camera.QualityLevel.QUALITY_LEVEL_MEDIUM,
|
||||
location: {
|
||||
// 位置信息，经纬度
|
||||
latitude: 12.9698,
|
||||
longitude: 77.75,
|
||||
altitude: 1000,
|
||||
},
|
||||
mirror: false,
|
||||
};
|
||||
await this.photoOutPut.capture(photoSettings);
|
||||
Logger.info(TAG, 'takePicture done');
|
||||
AppStorage.Set('isRefresh', true);
|
||||
}
|
||||
|
||||
/**
|
||||
* 开始录像
|
||||
*/
|
||||
async startVideo(): Promise<void> {
|
||||
Logger.info(TAG, 'startVideo begin');
|
||||
Logger.info(TAG, 'startVideo 1');
|
||||
await this.capSession.stop();
|
||||
Logger.info(TAG, 'startVideo 2');
|
||||
this.capSession.beginConfig();
|
||||
Logger.info(TAG, 'startVideo 3');
|
||||
if (this.currentMode === cameraMode.modePhoto) {
|
||||
this.currentMode = cameraMode.modeVideo;
|
||||
if (this.photoOutPut) {
|
||||
this.capSession.removeOutput(this.photoOutPut);
|
||||
this.photoOutPut.release();
|
||||
}
|
||||
} else {
|
||||
if (this.videoOutput) {
|
||||
try {
|
||||
Logger.info(TAG, 'startVideo 4');
|
||||
this.capSession.removeOutput(this.videoOutput);
|
||||
Logger.info(TAG, 'startVideo 5');
|
||||
} catch (e) {
|
||||
Logger.info(TAG, `startVideo catch e:${JSON.stringify(e)}`);
|
||||
Logger.info(TAG, `startVideo catch code:${JSON.stringify(e.code)}`);
|
||||
Logger.info(TAG, `startVideo catch message:${JSON.stringify(e.message)}`);
|
||||
}
|
||||
}
|
||||
}
|
||||
if (this.videoOutput) {
|
||||
try {
|
||||
Logger.info(TAG, 'startVideo 6');
|
||||
this.capSession.removeOutput(this.videoOutput);
|
||||
Logger.info(TAG, 'startVideo 7');
|
||||
} catch (e) {
|
||||
Logger.info(TAG, `startVideo catch e:${JSON.stringify(e)}`);
|
||||
Logger.info(TAG, `startVideo catch code:${JSON.stringify(e.code)}`);
|
||||
Logger.info(TAG, `startVideo catch message:${JSON.stringify(e.message)}`);
|
||||
}
|
||||
try {
|
||||
Logger.info(TAG, 'startVideo release 1');
|
||||
await this.videoOutput.release();
|
||||
Logger.info(TAG, 'startVideo release 2');
|
||||
} catch (e) {
|
||||
Logger.info(TAG, `startVideo catch e:${JSON.stringify(e)}`);
|
||||
Logger.info(TAG, `startVideo catch code:${JSON.stringify(e.code)}`);
|
||||
Logger.info(TAG, `startVideo catch message:${JSON.stringify(e.message)}`);
|
||||
}
|
||||
}
|
||||
Logger.info(TAG, 'startVideo 8');
|
||||
this.fileAsset = await this.mediaModel.createAndGetUri(mediaLibrary.MediaType.VIDEO);
|
||||
Logger.info(TAG, `startVideo fileAsset:${this.fileAsset}`);
|
||||
this.fd = await this.mediaModel.getFdPath(this.fileAsset);
|
||||
Logger.info(TAG, `startVideo fd:${this.fd}`);
|
||||
media.createAVRecorder(async (error, recorder) => {
|
||||
Logger.info(TAG, `startVideo into createAVRecorder:${recorder}`);
|
||||
if (recorder != null) {
|
||||
Logger.info(TAG, `startVideo into recorder:${recorder}`);
|
||||
this.avRecorder = recorder;
|
||||
Logger.info(TAG, `startVideo createAVRecorder success:${this.avRecorder}`);
|
||||
// 当前录像配置
|
||||
let currConfig = {
|
||||
audioSourceType: 1,
|
||||
videoSourceType: this.videoSourceType,
|
||||
profile: this.videoProfile,
|
||||
url: `fd://${this.fd}`,
|
||||
rotation: 0
|
||||
};
|
||||
Logger.info(TAG, `startVideo into recorder:${recorder}`);
|
||||
await this.avRecorder.prepare(currConfig);
|
||||
Logger.info(TAG, `startVideo videoConfig:${JSON.stringify(currConfig)}`);
|
||||
let videoId = await this.avRecorder.getInputSurface();
|
||||
let videoProfile = this.capability.videoProfiles[0];
|
||||
Logger.info(TAG, `startVideo capability.videoProfiles[]=: ${JSON.stringify(this.capability.videoProfiles)}`);
|
||||
Logger.info(TAG, `startVideo videoProfile:${JSON.stringify(videoProfile)}`);
|
||||
this.videoOutput = this.cameraMgr.createVideoOutput(videoProfile, videoId);
|
||||
Logger.info(TAG, `startVideo videoOutput:${this.videoOutput}`);
|
||||
this.capSession.addOutput(this.videoOutput);
|
||||
Logger.info(TAG, 'startVideo addOutput');
|
||||
await this.capSession.commitConfig();
|
||||
Logger.info(TAG, 'startVideo commitConfig');
|
||||
await this.capSession.start();
|
||||
Logger.info(TAG, 'startVideo commitConfig capSession');
|
||||
await this.videoOutput.start();
|
||||
Logger.info(TAG, 'startVideo commitConfig videoOutput');
|
||||
try {
|
||||
Logger.info(TAG, 'startVideo avRecorder.start 1');
|
||||
await this.avRecorder.start();
|
||||
Logger.info(TAG, 'startVideo avRecorder.start 2');
|
||||
} catch (e) {
|
||||
Logger.info(TAG, `startVideo catch e:${JSON.stringify(e)}`);
|
||||
}
|
||||
|
||||
Logger.info(TAG, 'startVideo end');
|
||||
|
||||
} else {
|
||||
Logger.info(TAG, `startVideo createAVRecorder fail, error:${error}`);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* 停止录像
|
||||
*/
|
||||
async stopVideo(): Promise<void> {
|
||||
Logger.info(TAG, 'stopVideo called');
|
||||
await this.avRecorder.stop();
|
||||
await this.avRecorder.release();
|
||||
await this.videoOutput.stop();
|
||||
await this.fileAsset.close(this.fd);
|
||||
}
|
||||
|
||||
/**
|
||||
* 资源释放
|
||||
*/
|
||||
async cameraRelease(): Promise<void> {
|
||||
Logger.info(TAG, 'releaseCamera');
|
||||
if (this.cameraInput) {
|
||||
await this.cameraInput.close();
|
||||
}
|
||||
if (this.previewOutput) {
|
||||
await this.previewOutput.release();
|
||||
}
|
||||
if (this.photoOutPut) {
|
||||
await this.photoOutPut.release();
|
||||
}
|
||||
if (this.videoOutput) {
|
||||
await this.videoOutput.release();
|
||||
}
|
||||
if (this.capSession) {
|
||||
await this.capSession.release();
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1,173 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2023 Hunan OpenValley Digital Industry Development Co., Ltd.
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
import mediaLibrary from '@ohos.multimedia.mediaLibrary';
|
||||
import DateTimeUtil from '../utils/DateTimeUtil';
|
||||
import Logger from '../utils/Logger';
|
||||
|
||||
const TAG = '[MediaModel]';
|
||||
|
||||
type FileInfo = {
|
||||
prefix: string;
|
||||
suffix: string;
|
||||
directory: number;
|
||||
};
|
||||
|
||||
export default class MediaModel {
|
||||
private mediaLibraryTest: mediaLibrary.MediaLibrary = undefined;
|
||||
private static mediaInstance: MediaModel = undefined;
|
||||
|
||||
constructor() {
|
||||
this.mediaLibraryTest = mediaLibrary.getMediaLibrary(globalThis.cameraContext);
|
||||
}
|
||||
|
||||
public static getMediaInstance(): MediaModel {
|
||||
if (this.mediaInstance === undefined) {
|
||||
this.mediaInstance = new MediaModel();
|
||||
}
|
||||
return this.mediaInstance;
|
||||
}
|
||||
|
||||
async createAndGetUri(mediaType: mediaLibrary.MediaType): Promise<mediaLibrary.FileAsset> {
|
||||
let dateTimeUtil: DateTimeUtil = new DateTimeUtil();
|
||||
let info: FileInfo = this.getInfoFromMediaType(mediaType);
|
||||
let name: string = `${dateTimeUtil.getDate()}_${dateTimeUtil.getTime()}`;
|
||||
let displayName: string = `${info.prefix}${name}${info.suffix}`;
|
||||
Logger.info(TAG, `displayName = ${displayName},mediaType = ${mediaType}`);
|
||||
let publicPath: string = await this.mediaLibraryTest.getPublicDirectory(
|
||||
info.directory
|
||||
);
|
||||
Logger.info(TAG, `publicPath = ${publicPath}`);
|
||||
let fileAsset: mediaLibrary.FileAsset = await this.mediaLibraryTest.createAsset(
|
||||
mediaType,
|
||||
displayName,
|
||||
publicPath
|
||||
);
|
||||
return fileAsset;
|
||||
}
|
||||
|
||||
async getFile(dataUri: mediaLibrary.FileAsset): Promise<mediaLibrary.FileAsset> {
|
||||
let fileKeyObj = mediaLibrary.FileKey;
|
||||
if (dataUri !== undefined) {
|
||||
let args = dataUri.id.toString();
|
||||
let fetchOp = {
|
||||
selections: `${fileKeyObj.ID}=?`,
|
||||
selectionArgs: [args],
|
||||
};
|
||||
const fetchFileResult: mediaLibrary.FetchFileResult = await this.mediaLibraryTest.getFileAssets(
|
||||
fetchOp
|
||||
);
|
||||
Logger.info(
|
||||
TAG,
|
||||
`fetchFileResult.getCount() = ${fetchFileResult.getCount()}`
|
||||
);
|
||||
const fileAssets = await fetchFileResult.getAllObject();
|
||||
let fileAsset: mediaLibrary.FileAsset = fileAssets[0];
|
||||
return fileAsset;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
async getFdPath(fileAsset: mediaLibrary.FileAsset): Promise<number> {
|
||||
let fd: number = await fileAsset.open('Rw');
|
||||
Logger.info(TAG, `fd = ${fd}`);
|
||||
return fd;
|
||||
}
|
||||
|
||||
async getFileAssetsFromMediaType(mediaType: number): Promise<Array<mediaLibrary.FileAsset>> {
|
||||
Logger.info(TAG, `getFileAssetsFromType,mediaType = ${mediaType}`);
|
||||
let fileKeyObj = mediaLibrary.FileKey;
|
||||
let fileAssets: Array<mediaLibrary.FileAsset> = [];
|
||||
|
||||
try {
|
||||
let fetchOp = {
|
||||
selections: `${fileKeyObj.MEDIA_TYPE}=?`,
|
||||
selectionArgs: [`${mediaType}`],
|
||||
};
|
||||
const fetchFileResult: mediaLibrary.FetchFileResult = await this.mediaLibraryTest.getFileAssets(
|
||||
fetchOp
|
||||
);
|
||||
Logger.info(TAG, `getFileAssetsFromType,fetchFileResult.count = ${fetchFileResult.getCount()}`);
|
||||
if (fetchFileResult.getCount() > 0) {
|
||||
fileAssets = await fetchFileResult.getAllObject();
|
||||
}
|
||||
} catch (err) {
|
||||
console.info(`LSQ: err ${JSON.stringify(err)}`);
|
||||
}
|
||||
return fileAssets;
|
||||
}
|
||||
|
||||
onDateChange(callback: () => void): void {
|
||||
this.mediaLibraryTest.on('albumChange', () => {
|
||||
Logger.info(TAG, 'albumChange called');
|
||||
callback();
|
||||
});
|
||||
this.mediaLibraryTest.on('imageChange', () => {
|
||||
Logger.info(TAG, 'imageChange called');
|
||||
callback();
|
||||
});
|
||||
this.mediaLibraryTest.on('audioChange', () => {
|
||||
Logger.info(TAG, 'audioChange called');
|
||||
callback();
|
||||
});
|
||||
this.mediaLibraryTest.on('videoChange', () => {
|
||||
Logger.info(TAG, 'videoChange called');
|
||||
callback();
|
||||
});
|
||||
this.mediaLibraryTest.on('fileChange', () => {
|
||||
Logger.info(TAG, 'fileChange called');
|
||||
callback();
|
||||
});
|
||||
}
|
||||
|
||||
offDateChange(): void {
|
||||
this.mediaLibraryTest.off('albumChange');
|
||||
this.mediaLibraryTest.off('imageChange');
|
||||
this.mediaLibraryTest.off('audioChange');
|
||||
this.mediaLibraryTest.off('videoChange');
|
||||
this.mediaLibraryTest.off('fileChange');
|
||||
}
|
||||
|
||||
getInfoFromMediaType(mediaType: mediaLibrary.MediaType): FileInfo {
|
||||
let fileInfo: FileInfo = {
|
||||
prefix: '',
|
||||
suffix: '',
|
||||
directory: 0
|
||||
};
|
||||
switch (mediaType) {
|
||||
case mediaLibrary.MediaType.FILE:
|
||||
fileInfo.prefix = 'FILE_';
|
||||
fileInfo.suffix = '.txt';
|
||||
fileInfo.directory = mediaLibrary.DirectoryType.DIR_DOCUMENTS;
|
||||
break;
|
||||
case mediaLibrary.MediaType.IMAGE:
|
||||
fileInfo.prefix = 'IMG_';
|
||||
fileInfo.suffix = '.jpg';
|
||||
fileInfo.directory = mediaLibrary.DirectoryType.DIR_IMAGE;
|
||||
break;
|
||||
case mediaLibrary.MediaType.VIDEO:
|
||||
fileInfo.prefix = 'VID_';
|
||||
fileInfo.suffix = '.mp4';
|
||||
fileInfo.directory = mediaLibrary.DirectoryType.DIR_VIDEO;
|
||||
break;
|
||||
case mediaLibrary.MediaType.AUDIO:
|
||||
fileInfo.prefix = 'AUD_';
|
||||
fileInfo.suffix = '.wav';
|
||||
fileInfo.directory = mediaLibrary.DirectoryType.DIR_AUDIO;
|
||||
break;
|
||||
}
|
||||
return fileInfo;
|
||||
}
|
||||
}
|
||||
@ -1,254 +0,0 @@
|
||||
//@ts-ignore
|
||||
import camera from '@ohos.multimedia.camera';
|
||||
import image from '@ohos.multimedia.image'
|
||||
import buffer from '@ohos.buffer';
|
||||
import call from '@ohos.telephony.call';
|
||||
|
||||
|
||||
export class cameraService {
|
||||
constructor(surfaceId) {
|
||||
this.surfaceId = surfaceId
|
||||
}
|
||||
private surfaceId: any = null;
|
||||
private cameraObj: any = null;
|
||||
private cameraManager: any = null;
|
||||
// 相机会话
|
||||
private captureSession: any = null;
|
||||
// 相机输入流
|
||||
private cameraInput: any = null;
|
||||
// 预览输出流
|
||||
private previewOutput: any = null;
|
||||
// 拍照输出流
|
||||
private photoOutput: any = null;
|
||||
// 照片接收对象
|
||||
private imageRecever: any = null;
|
||||
private imageSrc: String;
|
||||
async releaseSource() {
|
||||
// 停止当前会话
|
||||
await this.captureSession.stop()
|
||||
// 释放相机输入流
|
||||
await this.cameraInput.close()
|
||||
// 释放预览输出流
|
||||
await this.previewOutput.release()
|
||||
// 释放拍照输出流
|
||||
await this.photoOutput.release()
|
||||
// 释放会话
|
||||
await this.captureSession.release()
|
||||
// 会话置空
|
||||
this.captureSession = null
|
||||
}
|
||||
|
||||
async initCamera(callBack){
|
||||
let cameraManager = await camera.getCameraManager(globalThis.context)
|
||||
if (!cameraManager) {
|
||||
console.error("jiangsong camera.getCameraManager error")
|
||||
return;
|
||||
}
|
||||
// 监听相机状态变化
|
||||
cameraManager.on('cameraStatus', (err, cameraStatusInfo) => {
|
||||
// console.info(`jiangsong camera : ${cameraStatusInfo.camera.cameraId}`);
|
||||
// console.info(`jiangsong status: ${cameraStatusInfo.status}`);
|
||||
})
|
||||
|
||||
// 获取相机列表
|
||||
let cameraArray = await cameraManager.getSupportedCameras();
|
||||
if (cameraArray.length <= 0) {
|
||||
console.error("jiangsong cameraManager.getSupportedCameras error")
|
||||
return;
|
||||
}
|
||||
|
||||
for (let index = 0; index < cameraArray.length; index++) {
|
||||
console.info('cameraId : ' + cameraArray[index].cameraId); // 获取相机ID
|
||||
console.info('cameraPosition : ' + cameraArray[index].cameraPosition); // 获取相机位置
|
||||
console.info('cameraType : ' + cameraArray[index].cameraType); // 获取相机类型
|
||||
console.info('connectionType : ' + cameraArray[index].connectionType); // 获取相机连接类型
|
||||
}
|
||||
|
||||
// 创建相机输入流
|
||||
try {
|
||||
this.cameraInput = cameraManager.createCameraInput(cameraArray[0]);
|
||||
} catch (error) {
|
||||
console.error('jiangsong Failed to createCameraInput errorCode = ' + error.code);
|
||||
}
|
||||
|
||||
// 监听cameraInput错误信息
|
||||
let cameraDevice = cameraArray[0];
|
||||
this.cameraInput.on('error', cameraDevice, (error) => {
|
||||
console.info(`jiangsong Camera input error code: ${error.code}`);
|
||||
})
|
||||
|
||||
// 打开相机
|
||||
await this.cameraInput.open((err) => {
|
||||
if (err) {
|
||||
console.error(`jiangsong Failed to open the camera. ${err.code}`);
|
||||
return;
|
||||
}
|
||||
console.log('jiangsong Callback returned with camera opened.');
|
||||
});
|
||||
// 获取相机设备支持的输出流能力
|
||||
let cameraOutputCap = await cameraManager.getSupportedOutputCapability(cameraArray[0]);
|
||||
if (!cameraOutputCap) {
|
||||
console.error("jiangsong cameraManager.getSupportedOutputCapability error")
|
||||
return;
|
||||
}
|
||||
console.info("outputCapability: " + JSON.stringify(cameraOutputCap));
|
||||
|
||||
let previewProfilesArray = cameraOutputCap.previewProfiles;
|
||||
if (!previewProfilesArray) {
|
||||
console.error("jiangsong createOutput previewProfilesArray == null || undefined")
|
||||
}
|
||||
|
||||
let photoProfilesArray = cameraOutputCap.photoProfiles;
|
||||
if (!photoProfilesArray) {
|
||||
console.error("jiangsong createOutput photoProfilesArray == null || undefined")
|
||||
}
|
||||
|
||||
|
||||
// 创建预览输出流,其中参数 surfaceId 参考上文 XComponent 组件，预览流为XComponent组件提供的surface
|
||||
try {
|
||||
this.previewOutput = cameraManager.createPreviewOutput(previewProfilesArray[0], this.surfaceId)
|
||||
} catch (error) {
|
||||
console.error("jiangsong Failed to create the PreviewOutput instance.")
|
||||
}
|
||||
|
||||
// 监听预览输出错误信息
|
||||
this.previewOutput.on('error', (error) => {
|
||||
console.info(`jiangosng Preview output error code: ${error.code}`);
|
||||
})
|
||||
|
||||
// 创建ImageReceiver对象，并设置照片参数：分辨率大小是根据前面 photoProfilesArray 获取的当前设备所支持的拍照分辨率大小去设置
|
||||
this.imageRecever = await image.createImageReceiver(1920, 1080, 4, 8);
|
||||
|
||||
this.imageRecever.on('imageArrival',async () => {
|
||||
|
||||
console.info(`jiangsong imageArrival `);
|
||||
let img = await this.imageRecever.readLatestImage()
|
||||
let component = await img.getComponent(4)
|
||||
let buf = buffer.from(component.byteBuffer);
|
||||
let str = buf.toString('base64')
|
||||
|
||||
console.log('jiangsong getComponent buf str. ')
|
||||
if(callBack) {
|
||||
callBack(str)
|
||||
}
|
||||
})
|
||||
// 获取照片显示SurfaceId
|
||||
let photoSurfaceId = await this.imageRecever.getReceivingSurfaceId()
|
||||
// 创建拍照输出流
|
||||
try {
|
||||
this.photoOutput = cameraManager.createPhotoOutput(photoProfilesArray[0], photoSurfaceId)
|
||||
} catch (error) {
|
||||
console.error('jiangsong Failed to createPhotoOutput errorCode = ' + error.code);
|
||||
}
|
||||
//创建会话
|
||||
try {
|
||||
this.captureSession = cameraManager.createCaptureSession()
|
||||
} catch (error) {
|
||||
console.error('jiangsong Failed to create the CaptureSession instance. errorCode = ' + error.code);
|
||||
}
|
||||
|
||||
// 监听session错误信息
|
||||
this.captureSession.on('error', (error) => {
|
||||
console.info(`jiangsong Capture session error code: ${error.code}`);
|
||||
})
|
||||
|
||||
// 开始配置会话
|
||||
try {
|
||||
this.captureSession.beginConfig()
|
||||
} catch (error) {
|
||||
console.error('jiangsong Failed to beginConfig. errorCode = ' + error.code);
|
||||
}
|
||||
|
||||
// 向会话中添加相机输入流
|
||||
try {
|
||||
this.captureSession.addInput(this.cameraInput)
|
||||
} catch (error) {
|
||||
console.error('jiangsong Failed to addInput. errorCode = ' + error.code);
|
||||
}
|
||||
|
||||
// 向会话中添加预览输出流
|
||||
try {
|
||||
this.captureSession.addOutput(this.previewOutput)
|
||||
} catch (error) {
|
||||
console.error('jiangsong Failed to addOutput(previewOutput). errorCode = ' + error.code);
|
||||
}
|
||||
|
||||
// 向会话中添加拍照输出流
|
||||
try {
|
||||
this.captureSession.addOutput(this.photoOutput)
|
||||
} catch (error) {
|
||||
console.error('jiangsong Failed to addOutput(photoOutput). errorCode = ' + error.code);
|
||||
}
|
||||
|
||||
// 提交会话配置
|
||||
await this.captureSession.commitConfig()
|
||||
|
||||
// 启动会话
|
||||
await this.captureSession.start().then(() => {
|
||||
console.info('jiangsong Promise returned to indicate the session start success.');
|
||||
})
|
||||
// 判断设备是否支持闪光灯
|
||||
let flashStatus
|
||||
try {
|
||||
flashStatus = this.captureSession.hasFlash()
|
||||
} catch (error) {
|
||||
console.error('jiangsong Failed to hasFlash. errorCode = ' + error.code);
|
||||
}
|
||||
console.info('jiangsong Promise returned with the flash light support status:' + flashStatus);
|
||||
|
||||
if (flashStatus) {
|
||||
// 判断是否支持自动闪光灯模式
|
||||
let flashModeStatus
|
||||
try {
|
||||
let status = this.captureSession.isFlashModeSupported(camera.FlashMode.FLASH_MODE_AUTO)
|
||||
flashModeStatus = status
|
||||
} catch (error) {
|
||||
console.error('jiangsong Failed to check whether the flash mode is supported. errorCode = ' + error.code);
|
||||
}
|
||||
if(flashModeStatus) {
|
||||
// 设置自动闪光灯模式
|
||||
try {
|
||||
this.captureSession.setFlashMode(camera.FlashMode.FLASH_MODE_AUTO)
|
||||
} catch (error) {
|
||||
console.error('jiangsong Failed to set the flash mode. errorCode = ' + error.code);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
takePhoto() {
|
||||
let settings = {
|
||||
quality: camera.QualityLevel.QUALITY_LEVEL_HIGH, // 设置图片质量高
|
||||
rotation: camera.ImageRotation.ROTATION_0 // 设置图片旋转角度0
|
||||
}
|
||||
|
||||
// 使用当前拍照设置进行拍照
|
||||
this.photoOutput.capture(settings, async (err) => {
|
||||
if (err) {
|
||||
console.error(`jiangsong Failed to capture the photo ${err.message}` + JSON.stringify(err));
|
||||
return;
|
||||
}
|
||||
|
||||
console.info('jiangsong Callback invoked to indicate the photo capture request success.' + JSON.stringify(this.imageRecever))
|
||||
// console.info('jiangsong Callback invoked to indicate the photo capture request success.');
|
||||
});
|
||||
}
|
||||
|
||||
async getPhoto() {
|
||||
// try {
|
||||
// let img = await this.imageRecever.readLatestImage()
|
||||
// // console.log('jiangsong readLatestImage success.' + JSON.stringify(img.clipRect));
|
||||
// let component = await img.getComponent(4)
|
||||
// let buf = buffer.from(component.byteBuffer);
|
||||
// let str = buf.toString('base64')
|
||||
// console.log('jiangsong getComponent buf str. ' + str.length + '--' + str.slice(0, 100))
|
||||
// this.imageSrc = str;
|
||||
// return str;
|
||||
// } catch (e) {
|
||||
// this.sleep(1000);
|
||||
// return await this.getPhoto()
|
||||
// }
|
||||
}
|
||||
sleep = (delay) => new Promise((resolve) => setTimeout(resolve, delay))
|
||||
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user