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webrtc
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优化检查规则

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觉 2023-10-04 11:14:09 +08:00
parent eb8cc132f9
commit 076a393152
1 changed files with 4 additions and 13 deletions
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13
public/music.js
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@ -148,26 +148,17 @@ export default class MusicList {
const sourceBuffer = mediaSource.addSourceBuffer(item.type)
const arrayBufferLoader = async (index = 0) => {
//// 等待 item.arrayBufferChunks 不为空
//while (item.arrayBufferChunks.length === 0) {
// await new Promise(resolve => setTimeout(resolve, 100))
//}
console.log('开始加载====================================')
// 按照数据长度计算出分片应有数量, 如果数量不到且没有停止加载则一直读取
const chunkNumber = Math.ceil(item.size / 1024 / 64) // 64KB每片
console.log({ index, chunkNumber, paused: this.audio.paused })
while (index < chunkNumber && !this.audio.paused) {
console.log('播放器加载分片:', item.name, `${index}/${chunkNumber}`)
const 播放状态 = !this.audio.paused && this.playing === item
const 加载状态 = item.arrayBufferChunks.length < chunkNumber
//const 播放进度 = this.audio.currentTime / this.audio.duration
//const 加载进度 = index / chunkNumber
const 结束时间 = sourceBuffer.buffered.length && sourceBuffer.buffered.end(0)
const 缓冲时间 = 结束时间 - this.audio.currentTime
//console.log({ 播放状态, 加载状态, 播放进度, 加载进度, 缓冲时间 })
if (!播放状态 && !加载状态) break // 播放停止且加载完毕则退出
//if (播放进度 - 加载进度 > 0.5) await new Promise(resolve => setTimeout(resolve, 1000)) // 播放进度超过加载进度0.5则等待1秒
if (this.audio.paused || this.playing !== item) break // 播放停止或已经切歌则退出
if (缓冲时间 > 60) { // 缓冲超过60秒则等待30秒
await new Promise(resolve => setTimeout(resolve, 30000))
continue
@ -180,8 +171,8 @@ export default class MusicList {
await new Promise(resolve => setTimeout(resolve, 100))
continue
}
console.log('播放器加载分片:', item.name, `${index}/${chunkNumber}`)
const chunk = item.arrayBufferChunks[index] // 顺序取出一个arrayBuffer分片
if (this.audio.paused || this.playing !== item) break // 播放停止或已经切歌则退出
sourceBuffer.appendBuffer(chunk) // 添加到sourceBuffer
index++
}