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https://github.com/cyio/audio-only-bilibili

Biliblili 网页端使用音频模式
https://github.com/cyio/audio-only-bilibili

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Biliblili 网页端使用音频模式

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README

        

# Bilibili Web 音频模式(Chrome 扩展)

> 基于 [Ashish-Bansal/audio-only-youtube: Listen to only audio on youtube.](https://github.com/Ashish-Bansal/audio-only-youtube)

安装: [Audio Only bilibili - Chrome 网上应用店](https://chrome.google.com/webstore/detail/audio-only-bilibili/ckdhkbociihkjomnnmobadacinmehjfc?hl=zh-CN)

=======================================

好处:
- 节省带宽(视频数据部分)
- 节省视频解码、渲染的系统资源开销

使用:
- 点击扩展图标切换模式

效果:

![效果](https://pic3.zhimg.com/80/v2-a62fb0dd18360c753d1b03f9a7abee6a_720w.jpg)

## 手动安装

1. 下载:[Releases · cyio/audio-only-bilibili](https://github.com/cyio/audio-only-bilibili/releases)
2. 打开:`chrome://extensions`,将下载包拖入安装

## 贡献

1. After cloning the repo, run `npm run dev`.
2. Open chrome, go to extensions tab, load unpacked extension and select
`build/dev` directory.
3. Go to bilibili and see extension in live.

In case you edit code, it would automatically rebuild the extension and after
that you need to reload it in the browser.

## 原理

一般主流视频网站都支持视频、音频流分离,扩展获取到音频流地址,设置给``

技术点:
- 是否屏蔽视频数据流
- 屏蔽,网站会产生不断重试请求,显著消耗资源
- 实现需要 api:`declarativeNetRequest`
- 不屏蔽,只请求开头一小段视频数据,后续只请求音频数据
- 过滤出音频数据:`webRequest.onBeforeRequest`