Re: Browser video problems on Bookworm

bp@www.zefox.net wrote:

I just found a 10 second ideo on this page which does at least play.
It's silent, however:
https://en.wikipedia.org/wiki/Hoverfly
 
Could the absence of sound be significant? Has anybody tested whether
Wayland is the problem? Can't remember if I'm using Wayland or X11 at
the moment...

That video:
https://en.wikipedia.org/wiki/File:Syrphidae_-_kanagawa_japan_-_2023_11_9.ogv
source file:
https://upload.wikimedia.org/wikipedia/commons/4/4d/Syrphidae_-_kanagawa_japan_-_2023_11_9.ogv

does not contain any sound:

$ mplayer Syrphidae_-_kanagawa_japan_-_2023_11_9.ogv
MPlayer 1.5+svn38446-1build5 (Debian)

Playing Syrphidae_-_kanagawa_japan_-_2023_11_9.ogv.
libavformat version 60.16.100 (external)
libavformat file format detected.
[lavf] stream 0: video (theora), -vid 0
VIDEO:  [theo]  1516x920  0bpp  25.000 fps    0.0 kbps ( 0.0 kbyte/s)
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
libavcodec version 60.31.102 (external)
Selected video codec: [fftheora] vfm: ffmpeg (FFmpeg Theora)
==========================================================================
Load subtitles in ./
Audio: no sound
Starting playback...
[snip]


These ones do:
https://en.wikipedia.org/wiki/File:I-15bis.ogv
https://en.wikipedia.org/wiki/File:Big_Buck_Bunny_4K.webm
(note how it says 'audio/video file' rather than 'video file' on yours)

You can download the original file by clicking on the timestamp in the
history section, so you can test it in a video player instead of the
browser.

Theo