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hello uni-app x
提交 3b7ee177 编写于 作者: M mahaifeng
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[audio] 去掉播放速度判断条件

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pages/API/create-inner-audio-context/create-inner-audio-context.uvue
浏览文件 @ 3b7ee177
<template> <template>
<!-- #ifdef APP --> <!-- #ifdef APP -->
<scroll-view style="flex: 1;"> <scroll-view style="flex: 1;">
<!-- #endif --> <!-- #endif -->
<view class="uni-title"> <view class="uni-padding-wrap">
<text class="uni-title-text">音频路径示例</text> <page-head title="audio"></page-head>
</view> <view class="uni-common-mt">
<view class="formats" v-for="(item,index) in supportPaths" :key="index"> <slider ref="slider" :value="position" :min="0" :max="duration" @changing="onchanging"
<text class="uni-subtitle-text">{{item.description}}</text> @change="onchange"></slider>
<image class="icon-play" :src="(isPlaying && playIndex==index)?'/static/pause.png':'/static/play.png'" </view>
@click="play(item.src,index)"></image> <view class="uni-title">
</view> <text class="uni-title-text">属性示例</text>
<!-- #ifdef APP --> </View>
</scroll-view> <text class="uni-text-box uni-common-mt">当前音频播放位置（保留小数点后 6 位）：{{currentTime}} s</text>
<!-- #endif --> <text class="uni-text-box">音频的长度（单位:s）：{{duration}} s</text>
</template> <text class="uni-text-box">当前是否停止状态：{{isPaused}}</text>
<text class="uni-text-box">音频缓冲的时间点：{{buffered}}</text>
<text class="uni-text-box">当前音量：{{volume}}</text>
<!-- 设置音量无效 -->
<button plain :disabled="volume == 1" @click="increaseVolume">增加音量</button>
<button plain :disabled="volume == 0" @click="decreaseVolume">减少音量</button>
<script> <text class="uni-subtitle-text uni-title">开始播放的位置（单位：s）</text>
type AudioPath = { <input :value="startTime" type="number" placeholder="开始播放的位置（单位：s）" class="uni-input"
description : string @input="startTimeInput"></input>
src : string <boolean-data :defaultValue="false" title="是否自动开始播放" @change="setAutoplay"></boolean-data>
} <boolean-data :defaultValue="false" title="是否循环播放" @change="setLoop"></boolean-data>
export default { <text class="uni-subtitle-text uni-title"
data() { style="padding-left: 10px;padding-top: 10px;padding-right: 10px;">播放倍率(Web不支持)</text>
return { <radio-group class="uni-flex uni-row radio-group" @change="playbackRateChange"
playIndex: 0, style="flex-wrap: wrap;padding: 10px;">
isPlaying: false, <radio value="0.5" style="margin-right: 3px">0.5
// #ifdef APP </radio>
nativePath: uni.env.CACHE_PATH + 'uni-audio/test/test.mp3' as string, <radio value="0.8" style="margin-right: 3px">0.8</radio>
// #endif <radio value="1.0" style="margin-right: 3px" :checked="playbackRateChecked">1.0</radio>
// #ifdef APP-ANDROID <radio value="1.25" style="margin-right: 3px">1.25</radio>
sdcardPath: 'sdcard/uni-audio/test.mp3', <radio value="1.5" style="margin-right: 3px">1.5</radio>
// #endif <radio value="2.0">2.0</radio>
_audioContext: null as InnerAudioContext | null, </radio-group>
supportPaths: [
{
description: '本地路径：/static方式',
src: '/static/test-audio/ForElise.mp3'
},
{
description: '本地路径：../static/',
src: '../../../static/test-audio/ForElise.mp3'
},
// #ifdef APP
{
description: '本地路径：env方式',
src: 'env'
},
// #endif
{
description: '网络路径',
src: 'https://web-ext-storage.dcloud.net.cn/uni-app-x/audio/ForElise.mp3'
},
{
description: '不存在的音频',
src: 'https://web-ext-storage.dcloud.net.cn/uni-app-x/audio/invalid_url.mp3'
},
{
description: '错误路径',
src: '../static/test-audio/ForElise22.mp3'
},
] as Array<AudioPath>
}
},
onReady() {
this._audioContext = uni.createInnerAudioContext();
this._audioContext!.onPlay(() => {
console.log('开始播放');
});
this._audioContext!.onEnded(() => {
console.log('播放结束');
this.isPlaying = false;
});
this._audioContext!.onError((err) => {
this.isPlaying = false;
console.log('err', err);
});
// #ifdef APP <view class="uni-title">
const fileManager = uni.getFileSystemManager() <text class="uni-title-text">方法示例</text>
try { </View>
fileManager.rmdirSync(uni.env.CACHE_PATH + 'uni-audio/test', true) <button :disabled="isPlaying" @click="play" class="uni-btn">播放</button>
} catch (e) { <button :disabled="!isPlaying" @click="pause" class="uni-btn">暂停</button>
} <button :disabled="!isPlaying" @click="stop" class="uni-btn">停止</button>
<button @click="onchangeValue(20)" class="uni-btn">跳转到指定位置20</button>
<button @click="onTimeUpdate" class="uni-btn">onTimeUpdate</button>
<button @click="offTimeUpdate" class="uni-btn">offTimeUpdate</button>
<button @click="onWaiting" class="uni-btn">onWaiting</button>
<button @click="offWaiting" class="uni-btn">offWaiting</button>
try {
fileManager.mkdirSync(uni.env.CACHE_PATH + 'uni-audio/test', true)
} catch (e) {
}
try {
fileManager.copyFileSync(
'/static/test-audio/ForElise.mp3',
this.nativePath)
} catch (e) {
}
// #endif
},
onUnload() { <text style="color: red;font-size: 15px;margin-top: 10px;">tip:销毁后请重新进入此界面再播放</text>
if (this._audioContext != null) { <button @click="destory" class="uni-btn">销毁</button>
this.pause();
this._audioContext!.destroy()
}
},
methods: {
pause() {
this._audioContext!.pause();
this.isPlaying = false;
},
play(audioUrl : string, index : number) {
console.log(index, audioUrl);
if (this.isPlaying && this.playIndex == index) {
this.pause();
return;
}
// #ifdef APP
if (audioUrl == 'env') {
audioUrl = this.nativePath
}
// #endif
this.playIndex = index <view class="uni-title">
this._audioContext!.src = audioUrl; <text class="uni-title-text">格式/路径示例</text>
this._audioContext!.play(); </View>
this.isPlaying = true; <navigator url="/pages/API/create-inner-audio-context/inner-audio-format" class="uni-btn">
} <button @click="pause">音频格式示例</button>
} </navigator>
} <navigator url="/pages/API/create-inner-audio-context/inner-audio-path" class="uni-btn">
</script> <button @click="pause">音频路径示例</button>
</navigator>
<navigator url="/pages/API/create-inner-audio-context/inner-audio-mult" class="uni-btn">
<button @click="pause">多音频同时播放</button>
</navigator>
</view>
<!-- #ifdef APP -->
</scroll-view>
<!-- #endif -->
</template>
<script lang="uts">
const audioUrl = 'https://web-ext-storage.dcloud.net.cn/uni-app/ForElise.mp3'
export default {
data() {
return {
title: "innerAudioContext",
currentTime: 0,
duration: 100,
startTime: 0,
buffered: 0,
volume: 0.5,
isCanplay: false,
isPlaying: false,
isPaused: true,
isPlayEnd: false,
_isChanging: false,
_audioContext: null as InnerAudioContext | null,
// 自动化测试
onSeekingTest: false,
onSeekedTest: false,
onWaitingTest: false,
playbackRateChecked: true,
onTimeUpdateCb: (res : any) => { },
onWaitingCb: (res : any) => { }
}
},
computed: {
position() {
return this.isPlayEnd ? 0 : this.currentTime;
},
},
onReady() {
this._audioContext = uni.createInnerAudioContext();
this._audioContext!.src = audioUrl;
this.volume = this._audioContext!.volume;
this.onCanplay()
this._audioContext!.onPlay(() => {
this.isPaused = false;
this.isPlaying = true;
console.log('开始播放', this.isPaused);
});
this.onTimeUpdateCb = (res : any) => {
if (this._isChanging) { return; }
this.currentTime = this._audioContext!.currentTime;
console.log('onTimeUpdateCb', this.currentTime)
if (this.currentTime > this.buffered) {
console.log('缓冲不足');
}
};
this.onWaitingCb = (res : any) => {
console.log('音频加载中事件');
this.onWaitingTest = true
}
this.onTimeUpdate()
// this.onWaiting()
this.onError()
this.onEnded()
},
onUnload() {
if (this._audioContext != null) {
if (this.isPlaying) {
this.stop();
}
this._audioContext!.destroy()
}
},
methods: {
onCanplay() {
this._audioContext!.onCanplay(() => {
console.log('音频进入可以播放状态事件');
this.isCanplay = true;
// 当音频可以播放时，获取缓冲信息
this.buffered = this._audioContext!.buffered;
this.duration = this._audioContext!.duration
});
},
onchanging() {
this._isChanging = true;
},
onchange(e : UniSliderChangeEvent) {
let pos = e.detail.value;
console.log('pos', pos);
this._audioContext!.seek(pos);
this.onSeeking()
this.onSeeked()
this._isChanging = false;
},
onchangeValue(pos : number) {
this._audioContext!.seek(pos);
this.onSeeking()
this.onSeeked()
this._isChanging = false;
},
startTimeInput(e : UniInputEvent) {
let startTimeValue = parseInt(e.detail.value)
this._audioContext!.startTime = startTimeValue;
this.onchangeValue(startTimeValue)
},
setAutoplay() {
this._audioContext!.autoplay = !this._audioContext!.autoplay;
console.log(this._audioContext!.autoplay, 'autoplay');
},
setLoop() {
this._audioContext!.loop = !this._audioContext!.loop;
console.log(this._audioContext!.loop, 'loop');
},
play() {
if (!this.isCanplay) {
uni.showToast({
title: '音频未进入可以播放状态，请稍后再试'
});
return;
}
this.isPlaying = true;
this._audioContext!.play();
this.isPlayEnd = false;
if (this._audioContext!.startTime > 0) {
this.onchangeValue(this._audioContext!.startTime)
}
},
onSeeking() {
this._audioContext!.onSeeking(() => {
console.log('音频进行 seek 操作事件');
this.onSeekingTest = true
});
},
onSeeked() {
this._audioContext!.onSeeked(() => {
console.log('音频完成 seek 操作事件');
this.onSeekedTest = true
});
},
onWaiting() {
this._audioContext!.onWaiting(this.onWaitingCb);
},
offWaiting() {
this._audioContext!.offWaiting(this.onWaitingCb);
},
onTimeUpdate() {
this._audioContext!.onTimeUpdate(this.onTimeUpdateCb);
},
offTimeUpdate() {
this._audioContext!.offTimeUpdate(this.onTimeUpdateCb);
},
increaseVolume() {
this.volume = Math.min(this.volume + 0.1, 1);
this.volume = parseFloat(this.volume.toFixed(1));
this._audioContext!.volume = this.volume
console.log('增加音量', this.volume);
},
decreaseVolume() {
this.volume = Math.max(this.volume - 0.1, 0);
this.volume = parseFloat(this.volume.toFixed(1));
console.log('减少音量', this.volume);
this._audioContext!.volume = this.volume
},
onEnded() {
this._audioContext!.onEnded(() => {
console.log('播放结束');
this.currentTime = 0;
this.startTime = 0
this.isPlaying = false;
this.isPaused = true;
this.isPlayEnd = true;
(this.$refs["slider"] as UniSliderElement).value = 0
});
},
onError() {
this._audioContext!.onError((err) => {
console.log('err', err);
this.isPlaying = false;
this.isPaused = true;
});
},
pause() {
this._audioContext!.pause();
this._audioContext!.onPause(() => {
console.log('音频暂停事件');
this.isPaused = true;
});
this.isPlaying = false;
},
stop() {
console.log('stop');
this._audioContext!.stop();
this._audioContext!.onStop(() => {
// 第一次点停止时，不触发
this.isPaused = true;
console.log('音频停止事件');
});
this.isPlaying = false;
console.log('stop', this.isPaused);
},
destory() {
if (this._audioContext != null) {
this.isPlaying = false;
this._audioContext!.destroy()
}
},
playbackRateChange(e : UniRadioGroupChangeEvent) {
// if (this._audioContext != null && this.isPlaying) {
console.log(parseFloat(e.detail.value))
this._audioContext!.playbackRate = parseFloat(e.detail.value).toDouble()
// }
},
}
}
</script>
<style> <style>
.formats { .play-time-area {
align-items: center; display: flex;
} flex-direction: row;
margin-top: 20px;
}
.duration {
margin-left: auto;
}
.play-button-area {
display: flex;
flex-direction: row;
justify-content: center;
margin: 50px 0;
}
.icon-play { .icon-play {
width: 60px; width: 60px;
height: 60px; height: 60px;
margin: 10px; }
}
</style> </style>
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