On 10/25/25 7:47 AM, David Niklas via Dng wrote:
> Youtube removed support for combined video and audio streams within the
> last year. yt-dlp can download both and merge using ffmpeg, or you can
> feed your video player both the video and audio in the format that the
> player expects such that it plays both at the same time in sync together.
>
> E.G. mpv --audio-files=foo.webm foo.mp4
>
> If you want yt-dlp to merge the audio and video, they literally give
> examples in the manpage, such as:
>
> Format Selection examples
>
> # Download and merge the best video-only format and the best audio-only
> format,
> # or download the best combined format if video-only format is not
> available
>
> yt-dlp -f "bv+ba/b"
>
> I hope it helps,
> David

The download and merge worked, somewhat.  The file plays just fine in
mpv, but not in xine, or vlc.  Xine plays back the audio, while
displaying a solid black screen.  In vlc, I get audio and video, but the
video is rotated 45 degrees counterclockwise.

Marc