Bilibili Downloader

Download videos from Bilibili (B站) with separate video and audio streams.

Usage

node scripts/bili_dl.cjs <video_url> <save_directory>

Arguments

• video_url: Bilibili video URL or BV number (e.g., https://www.bilibili.com/video/BV1xxxxx or BV1xxxxx)
• save_directory: Directory to save downloaded files

Output

Downloads two files:

• {BV号}_video.mp4 - Video stream
• {BV号}_audio.mp4 - Audio stream

Error Codes

• 无效的BV号或URL格式 - Invalid URL/BV number
• 视频不存在或已被删除 - Video not found
• 视频访问受限 - Access denied
• 没有可用的视频流 - No video streams available
• 下载失败 - Download failed (network error)