bilibili-downloader

批量下载B站视频并提取音频MP3。支持单个视频、多P合集、UP主全部投稿、收藏夹。自动提取音频,可选保留视频。触发词:'下载B站'、'B站视频'、'bilibili下载'、'提取音频'。

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Install skill "bilibili-downloader" with this command: npx skills add atxinsky/skills/atxinsky-skills-bilibili-downloader

Bilibili Downloader Skill

批量下载B站视频,提取音频MP3。

依赖

  • yt-dlp (pip install yt-dlp)
  • ffmpeg (已安装)

用法

Claude 会根据用户需求自动调用以下脚本:

1. 下载视频 → 提取音频 + 纯人声(推荐)

python ~/.claude/skills/bilibili-downloader/bili_download.py --url "BV链接" --audio-only --vocals

输出两份:原始MP3 + vocals/纯人声MP3(去背景音乐)

2. 下载多P合集 → 音频 + 纯人声

python ~/.claude/skills/bilibili-downloader/bili_download.py --url "BV链接" --audio-only --vocals --all-pages

3. 下载UP主全部投稿

python ~/.claude/skills/bilibili-downloader/bili_download.py --space "UP主UID" --audio-only --vocals

4. 只要音频不要人声分离

python ~/.claude/skills/bilibili-downloader/bili_download.py --url "BV链接" --audio-only

5. 只下载视频

python ~/.claude/skills/bilibili-downloader/bili_download.py --url "BV链接"

参数说明

参数说明
--urlB站视频链接(支持BV号、完整URL)
--spaceUP主UID,下载全部投稿
--output输出目录,默认桌面 bilibili_downloads
--audio-only只保留MP3音频,删除视频
--vocals同时生成纯人声MP3(去背景音乐,存入 vocals/ 子目录)
--keep-video提取音频同时保留视频文件
--all-pages下载合集所有分P
--cookies使用浏览器cookies(获取高清画质)

人声分离(去背景音乐)

# 单个文件
python ~/.claude/skills/bilibili-downloader/vocal_extract.py "input.mp3" -o ./vocals

# 批量处理整个目录
python ~/.claude/skills/bilibili-downloader/vocal_extract.py ~/Desktop/bilibili_downloads/ -o ~/Desktop/bilibili_downloads/vocals

使用 Meta 的 htdemucs 模型,AI 分离人声和背景音乐,输出纯人声 MP3。

工作流程

  1. 询问用户:下载范围、输出格式、存放路径
  2. 运行脚本批量下载
  3. ffmpeg 提取音频为 MP3
  4. 按需清理视频文件
  5. 汇报结果

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