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Version: 3.x

Taro.createWebAudioContext()

创建 WebAudio 上下文。

支持情况:

参考文档

类型

() => WebAudioContext

示例代码

一个简单的播放demo

const audioCtx = Taro.createWebAudioContext()

const loadAudio = (url) => {
return new Promise((resolve) => {
Taro.request({
url,
responseType: 'arraybuffer',
success: res => {
console.log('res.data', res.data)
audioCtx.decodeAudioData(res.data, buffer => {
resolve(buffer)
}, err => {
console.error('decodeAudioData fail', err)
reject()
})
},
fail: res => {
console.error('request fail', res)
reject()
}
})
})
}

const play = () => {
loadAudio('xxx-test.mp3').then(buffer => {
const source = audioCtx.createBufferSource()
source.buffer = buffer
source.connect(audioCtx.destination)
source.start()
}).catch(() => {
console.log('fail')
})
}

play()