wangluohuoyun-huozhuapp/pages/mine/camera/video/video.nvue

<template>
	<view class="live-camera" :style="{ width: windowWidth, height: windowHeight }">
		<view class="preview" :style="{ width: windowWidth, height: windowHeight - 80 }">
			<live-pusher id="livePusher" ref="livePusher" class="livePusher" mode="FHD" beauty="0" whiteness="0"
				:aspect="aspect" min-bitrate="1000" audio-quality="16KHz" device-position="back" :auto-focus="true"
				:muted="true" :enable-camera="true" :enable-mic="false" :zoom="false" @statechange="statechange"
				:style="{ width: cameraWidth, height: cameraHeight }"></live-pusher>

			<!--提示语-->
			<cover-view class="remind">
				<text class="remind-text" style="">{{ message }}</text>
			</cover-view>

			<!--辅助线-->
			<cover-view class="outline-box" :style="{ width: windowWidth, height: windowHeight - 80 }">
				<cover-image class="outline-img"
					:src="dotype == 'idcardface' ? '/static/live-camera/outline/idcardface.png' : '/static/live-camera/outline/idcardbadge.png'"
					style=""></cover-image>
			</cover-view>
		</view>

		<view class="menu">
			<!--底部菜单区域背景-->
			<cover-image class="menu-mask" src="/static/live-camera/bar.png"></cover-image>

			<!--返回键-->
			<cover-image class="menu-back" @tap="back" src="/static/live-camera/back.png"></cover-image>

			<!--快门键-->
			<cover-image class="menu-snapshot" @tap="start" src="/static/live-camera/shutter.png"></cover-image>
			<cover-image class="menu-snapshot" @tap="stop" src="/static/live-camera/shutter.png"></cover-image>

			<!--反转键-->
			<cover-image class="menu-flip" @tap="flip" src="/static/live-camera/flip.png"></cover-image>
		</view>
	</view>
</template>

<script>
	let _this = null;
	export default {
		data() {
			return {
				poenCarmeInterval: null, //打开相机的轮询
				dotype: 'face', //操作类型
				message: '', //提示
				aspect: '2:3', //比例
				cameraWidth: '', //相机画面宽度
				cameraHeight: '', //相机画面宽度
				windowWidth: '', //屏幕可用宽度
				windowHeight: '', //屏幕可用高度
				camerastate: false, //相机准备好了
				livePusher: null, //流视频对象
				snapshotsrc: null //快照
			};
		},
		onLoad(e) {
			_this = this;
			this.dotype = e.dotype;
			this.initCamera();
		},
		onReady() {
			this.livePusher = uni.createLivePusherContext('livePusher', this);
			this.startPreview(); //开启预览并设置摄像头
			this.poenCarme();
		},
		methods: {
			//轮询打开
			poenCarme() {
				//#ifdef APP-PLUS
				if (plus.os.name == 'Android') {
					this.poenCarmeInterval = setInterval(function() {
						console.log(_this.camerastate);
						if (!_this.camerastate) _this.startPreview();
					}, 2500);
				}
				//#endif
			},
			//初始化相机
			initCamera() {
				//处理安卓手机异步授权问题
				uni.getSystemInfo({
					success: function(res) {
						_this.windowWidth = res.windowWidth;
						_this.windowHeight = res.windowHeight;
						_this.cameraWidth = res.windowWidth;
						_this.cameraHeight = res.windowWidth * 1.5;
					}
				});
			},

			//开始预览
			startPreview() {
				this.livePusher.startPreview({
					success: a => {
						console.log(a);
					}
				});
			},

			//停止预览
			stopPreview() {
				this.livePusher.stopPreview({
					success: a => {
						_this.camerastate = false; //标记相机未启动
					}
				});
			},

			//状态
			statechange(e) {
				console.log('````````````````````````````````````')
				//状态改变
				console.log(e);
				if (e.detail.code == 1007) {
					_this.camerastate = true;
				} else if (e.detail.code == -1301) {
					_this.camerastate = false;
				}
			},

			//返回
			back() {
				uni.navigateBack();
			},
			start: function() {
				console.log('开启直播流')
				this.livePusher.start({
					success: (a) => {
						console.log("livePusher.start:" + JSON.stringify(a));
					}
				});
			},
			stop: function() {
				console.log('结束直播流')
				this.livePusher.stop({
					success: (a) => {
						console.log("livePusher.end:" + JSON.stringify(a));
					}
				});
			},
			//抓拍
			snapshot() {

				// this.livePusher.snapshot({
				// 	success: e => {
				// 		_this.snapshotsrc = e.message.tempImagePath;
				// 		_this.stopPreview();
				// 		_this.setImage();
				// 		uni.navigateBack();
				// 	}
				// });
			},

			//反转
			flip() {
				this.livePusher.switchCamera();
			},

			//设置
			setImage() {
				let pages = getCurrentPages();
				let prevPage = pages[pages.length - 2]; //上一个页面

				//直接调用上一个页面的setImage()方法，把数据存到上一个页面中去
				prevPage.$vm.setImage({
					path: _this.snapshotsrc,
					dotype: this.dotype
				});
			}
		}
	};
</script>

<style lang="scss">
	.live-camera {
		.preview {
			justify-content: center;
			align-items: center;

			.outline-box {
				position: absolute;
				top: 0;
				left: 0;
				bottom: 0;
				z-index: 99;
				align-items: center;
				justify-content: center;

				.outline-img {
					width: 750rpx;
					height: 1125rpx;
				}
			}

			.remind {
				position: absolute;
				top: 880rpx;
				width: 750rpx;
				z-index: 100;
				align-items: center;
				justify-content: center;

				.remind-text {
					color: #dddddd;
					font-weight: bold;
				}
			}
		}

		.menu {
			position: absolute;
			left: 0;
			bottom: 0;
			width: 750rpx;
			height: 180rpx;
			z-index: 98;
			align-items: center;
			justify-content: center;

			.menu-mask {
				position: absolute;
				left: 0;
				bottom: 0;
				width: 750rpx;
				height: 180rpx;
				z-index: 98;
			}

			.menu-back {
				position: absolute;
				left: 30rpx;
				bottom: 50rpx;
				width: 80rpx;
				height: 80rpx;
				z-index: 99;
				align-items: center;
				justify-content: center;
			}

			.menu-snapshot {
				width: 130rpx;
				height: 130rpx;
				z-index: 99;
			}

			.menu-flip {
				position: absolute;
				right: 30rpx;
				bottom: 50rpx;
				width: 80rpx;
				height: 80rpx;
				z-index: 99;
				align-items: center;
				justify-content: center;
			}
		}
	}
</style>