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hello uni-app x
提交 6dd5e1fe 编写于 作者: M mahaifeng
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[audio] 新增示例

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pages/API/create-inner-audio-context/create-inner-audio-context.uvue
浏览文件 @ 6dd5e1fe
<template>
<!-- #ifdef APP -->
<scroll-view style="flex: 1;">
<!-- #endif -->
<view class="uni-padding-wrap">
<page-head title="audio"></page-head>
<view class="uni-common-mt">
<slider :value="position" :min="0" :max="duration" @changing="onchanging" @change="onchange"></slider>
</view>
<view class="uni-title">
<text class="uni-title-text">属性示例</text>
</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>
<text class="uni-text-box">音频的长度（单位:s）：{{duration}} s</text>
<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> -->
<!-- #ifdef APP -->
<scroll-view style="flex: 1;">
<!-- #endif -->
<view class="uni-padding-wrap">
<page-head title="audio"></page-head>
<view class="uni-common-mt">
<slider :value="position" :min="0" :max="duration" @changing="onchanging" @change="onchange"></slider>
</view>
<view class="uni-title">
<text class="uni-title-text">属性示例</text>
</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>
<text class="uni-text-box">音频的长度（单位:s）：{{duration}} s</text>
<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>
<text class="uni-subtitle-text uni-title">开始播放的位置（单位：s）</text>
<input :value="startTime" type="number" placeholder="开始播放的位置（单位：s）" class="uni-input"
@input="startTimeInput"></input>
<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>
<view class="uni-title">
<text class="uni-title-text">方法示例</text>
</View>
<button :disabled="isPlaying" type="primary" @click="play" class="uni-btn">播放</button>
<button :disabled="!isPlaying" type="primary" @click="pause" class="uni-btn">暂停</button>
<button :disabled="!isPlaying && !isPaused" type="primary" @click="stop" class="uni-btn">停止</button>
<button type="primary" @click="onchangeValue(20)" class="uni-btn">跳转到指定位置20</button>
<text class="uni-subtitle-text uni-title">开始播放的位置（单位：s）</text>
<input :value="startTime" type="number" placeholder="开始播放的位置（单位：s）" class="uni-input"
@input="startTimeInput"></input>
<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>
<text class="uni-subtitle-text uni-title"
style="padding-left: 10px;padding-top: 10px;padding-right: 10px;">播放倍率</text>
<radio-group class="uni-flex uni-row radio-group" @change="playbackRateChange"
style="flex-wrap: wrap;padding: 10px;">
<radio value="0.5" style="margin-right: 3px">0.5
</radio>
<radio value="0.8" style="margin-right: 3px">0.8</radio>
<radio value="1.0" style="margin-right: 3px" :checked="playbackRateChecked">1.0</radio>
<radio value="1.25" style="margin-right: 3px">1.25</radio>
<radio value="1.5" style="margin-right: 3px">1.5</radio>
<radio value="2.0">2.0</radio>
</radio-group>
<view class="uni-title">
<text class="uni-title-text">格式/路径示例</text>
</View>
<navigator url="/pages/API/create-inner-audio-context/inner-audio-format" class="uni-btn">
<button type="primary" @click="pause">音频格式示例</button>
</navigator>
<navigator url="/pages/API/create-inner-audio-context/inner-audio-path" class="uni-btn uni-common-mb">
<button type="primary" @click="pause">音频路径示例</button>
</navigator>
</view>
<!-- #ifdef APP -->
</scroll-view>
<!-- #endif -->
<view class="uni-title">
<text class="uni-title-text">方法示例</text>
</View>
<button :disabled="isPlaying" type="primary" @click="play" class="uni-btn">播放</button>
<button :disabled="!isPlaying" type="primary" @click="pause" class="uni-btn">暂停</button>
<button :disabled="!isPlaying && !isPaused" type="primary" @click="stop" class="uni-btn">停止</button>
<button type="primary" @click="onchangeValue(20)" class="uni-btn">跳转到指定位置20</button>
<button type="primary" @click="onTimeUpdate" class="uni-btn">onTimeUpdate</button>
<button type="primary" @click="offTimeUpdate" class="uni-btn">offTimeUpdate</button>
<button type="primary" @click="onWaiting" class="uni-btn">onWaiting</button>
<button type="primary" @click="offWaiting" class="uni-btn">offWaiting</button>
<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>
<button type="primary" @click="destory" class="uni-btn">销毁</button>
<view class="uni-title">
<text class="uni-title-text">格式/路径示例</text>
</View>
<navigator url="/pages/API/create-inner-audio-context/inner-audio-format" class="uni-btn">
<button type="primary" @click="pause">音频格式示例</button>
</navigator>
<navigator url="/pages/API/create-inner-audio-context/inner-audio-path" class="uni-btn uni-common-mb">
<button type="primary" @click="pause">音频路径示例</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
}
},
computed: {
position() {
return this.isPlayEnd ? 0 : this.currentTime;
},
},
onReady() {
this._audioContext = uni.createInnerAudioContext();
this._audioContext!.src = audioUrl;
this.volume = this._audioContext!.volume;
this.onCanplay()
},
onUnload() {
if (this._audioContext != null && 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) {
console.log(e, 'e');
let pos = e.detail.value;
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 : InputEvent) {
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)
}
this._audioContext!.onPlay(() => {
this.isPaused = false;
console.log('开始播放', this.isPaused);
});
this.onTimeUpdate()
this.onWaiting()
this.onError()
this.onEnded()
},
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(() => {
console.log('音频加载中事件');
this.onWaitingTest = true
});
},
onTimeUpdate() {
this._audioContext!.onTimeUpdate(() => {
// console.log('onTimeUpdate:音频播放进度更新事件,currentTime',this._audioContext!.currentTime);
if (this._isChanging) { return; }
this.currentTime = this._audioContext!.currentTime
console.log('currentTime', this.currentTime);
if (this.currentTime > this.buffered) {
console.log('缓冲不足');
}
});
},
increaseVolume() {
this.volume = Math.min(this.volume + 0.1, 1);
this.volume = parseFloat(this.volume.toFixed(1));
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);
},
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;
});
},
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);
}
}
}
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 && 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) {
console.log(e, 'e');
let pos = e.detail.value;
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 : InputEvent) {
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;
});
},
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)
}
},
}
}
</script>
<style>
.play-time-area {
display: flex;
flex-direction: row;
margin-top: 20px;
}
.play-time-area {
display: flex;
flex-direction: row;
margin-top: 20px;
}
.duration {
margin-left: auto;
}
.duration {
margin-left: auto;
}
.play-button-area {
display: flex;
flex-direction: row;
justify-content: center;
margin: 50px 0;
}
.play-button-area {
display: flex;
flex-direction: row;
justify-content: center;
margin: 50px 0;
}
.icon-play {
width: 60px;
height: 60px;
}
</style>
.icon-play {
width: 60px;
height: 60px;
}
</style>
\ No newline at end of file
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