前言:實現效果如下,包含後退,播放暫停,前進,指定播放,音量,播放倍速修改等功能
vue中嵌入使用wavesurfer.js的教程詳見:https://blog.csdn.net/zrcj0706/article/details/104635357
1、常用的方法如下:
playPause() //播放時暫停,播放時暫停
skip(number) //從當前位置跳數秒(使用負值向後移動)
stop() //重放
setVolume(newVolume) //將播放音量設置爲新值[0..1](0 =靜音,1 =最大)
play([start[, end]])//從當前位置開始播放。可選start且end以秒爲單位可用於設置要播放的音頻範圍
2、使用代碼如下
<template>
<div class="mixin-components-container">
<el-row>
<el-card class="box-card" style="text-align:left">
<div id="waveform" ref="waveform">
<!-- Here be the waveform -->
</div>
<div id="wave-timeline" ref="wave-timeline">
<!--時間軸 -->
</div>
<div>
<el-button type="primary" @click="rew">後退</el-button>
<el-button type="primary" @click="plays">
<i class="el-icon-video-play"></i>
播放 /
<i class="el-icon-video-pausee"></i>
暫停
</el-button>
<el-button type="primary" @click="speek">前進</el-button>
<el-button type="primary" @click="replay">重放</el-button>
<el-tooltip class="item" effect="dark" content="指定播放" placement="bottom">
<el-popover placement="top" width="200" trigger="click">
<el-input v-model="appointTime" placeholder="請輸入內容" class="input-with-select">
<el-button slot="append" @click="appointPlay">播放</el-button>
</el-input>
<el-button slot="reference" circle>
指定播放
</el-button>
</el-popover>
</el-tooltip>
<span style="border: 2px solid #2f4f4f;margin-left: 8px;margin-right: 4px" />
<el-tooltip class="item" effect="dark" content="音量" placement="bottom">
<el-popover placement="top-start" trigger="click" style="min-width: 38px;margin-left: 10px">
<div class="block" style="width: 42px">
<el-slider v-model="value" vertical height="100px" @change="setVolume" />
</div>
<el-button slot="reference" circle>
音量
</el-button>
</el-popover>
</el-tooltip>
<el-tooltip class="item" effect="dark" content="播放倍速" placement="bottom">
<el-popover placement="top" width="220" trigger="click" style="margin-left: 10px">
<el-input-number v-model="ds" width="180" :precision="2" :step="0.1" :min="0.5" :max="2" @change="DoubleSpeed" />
<el-button slot="reference" round>
{{ ds +' X' }}
</el-button>
</el-popover>
</el-tooltip>
</div>
</el-card>
</el-row>
</div>
</template>
<script>
import WaveSurfer from 'wavesurfer.js'
import CursorPlugin from 'wavesurfer.js/dist/plugin/wavesurfer.cursor.js'
import Timeline from 'wavesurfer.js/dist/plugin/wavesurfer.timeline.js'
export default {
name: "Details",
// components: { MyWaveSurfer },
data() {
return {
wavesurfer: null,
// 指定播放功能的播放時間點
appointTime: 1,
// 播放倍速
ds: 1.00,
// 設置音量
value: 0,
};
},
mounted() {
this.$nextTick(() => {
console.log(WaveSurfer)
this.wavesurfer = WaveSurfer.create({
// 應該在其中繪製波形的CSS選擇器或HTML元素。這是唯一必需的參數。
container: this.$refs.waveform,
// 光標的填充顏色,指示播放頭的位置。
cursorColor:'red',
// 更改波形容器的背景顏色。
backgroundColor:'gray',
// 光標後的波形填充顏色。
waveColor: 'violet',
// 光標後面的波形部分的填充色。當progressColor和waveColor相同時,完全不渲染進度波
progressColor: 'purple',
backend: 'MediaElement',
// 音頻播放時間軸
mediaControls: false,
// 播放音頻的速度
audioRate: '1',
// 插件:此教程配置了光標插件和時間軸插件
plugins: [
// 光標插件
CursorPlugin.create({
showTime: true,
opacity: 1,
customShowTimeStyle: {
'background-color': '#000',
color: '#fff',
padding: '2px',
'font-size': '10px'
}
}),
// 時間軸插件
Timeline.create({
container: '#wave-timeline'
}),
]
});
this.wavesurfer.on('error', function(e) {
console.warn(e);
});
this.wavesurfer.load(require('./peaks/sample.mp3'));
// this.value = this.wavesurfer.getVolume() * 100
})
},
methods: {
// 播放時暫停,播放時暫停
plays() {
this.wavesurfer.playPause()
},
// 後退,
rew() {
this.wavesurfer.skip(-3)
},
// 前進,
speek() {
this.wavesurfer.skip(3)
},
// 重放
replay() {
this.wavesurfer.stop()
},
// 設置音量:
setVolume(val) {
this.wavesurfer.setVolume(val / 100)
},
// 指定播放
appointPlay() {
this.wavesurfer.play([this.appointTime,])
},
}
}
</script>
<style scoped>
.mixin-components-container {
background-color: #f0f2f5;
padding: 30px;
min-height: calc(100vh - 84px);
}
</style>