Show available streams
> ffprobe video_in.mkv ... Stream #0:0: Video: h264 (Main), ... ... Stream #0:1(spa): Audio: ac3, ... ... Stream #0:2(kor): Audio: ac3, ... ... Stream #0:3(spa): Subtitle: subrip ... Stream #0:4(eng): Subtitle: subrip ...
Remove specific streams
> ffmpeg -i video_in.mkv -map 0 -map -0:[type]:[idx] -c copy video_out.mkv
- type … a = audio, v = video, s = subtitles
- idx … index of the stream (starting from 0)
Let’s remove the spanish audio and the spanish subtitle stream from the video file.
> ffmpeg -i video_in.mkv -map 0 -map -0:a:0 -map -0:s:0 -c copy video_out.mkv ... Stream mapping: Stream #0:0 -> #0:0 (copy) Stream #0:2 -> #0:1 (copy) Stream #0:4 -> #0:2 (copy)