On Sat, 2023-12-02 at 07:00 +0800, Bret Busby wrote: > On 2/12/23 06:10, Van Snyder wrote: > > When I try to view a mp4 video in Firefox 115.5.0esr(64-bit) on > > Debian > > GNU/Linux 10 (buster), it puts up a sad-face window saying "No > > video > > with supported format and MIME type found." It doesn't offer to > > download > > the file, or play it with an external application. > > > > ffmpeg is installed and up-to-date. > > > > Can it be made to work? > > > Perhaps, if you specified the URL of the file, it might be a step on > the > way t6o describing the problem...
http://vandyke.mynetgear.com/AuraMLS_SH2009.mp4 The same video is available as avi, and that works fine with Firefox by launching an external viewer such as vlc or dragon. I would expect Firefox to offer to download the file or choose a viewer instead of the sad-face window. > > .... > Bret Busby > Armadale > Western Australia > (UTC+0800) > ................. >
