Avidemux+cannot+use+that+file+as+audio+track -

This tricks Avidemux into treating the audio as the primary stream, which bypasses some validation checks.

Thanks!

: The Vorbis codec is generally only supported when re-encoding an existing track, not as a direct external input. avidemux.org Supported External Formats avidemux+cannot+use+that+file+as+audio+track

This will let others give a precise fix or a one-line ffmpeg command tailored to your file. This tricks Avidemux into treating the audio as