scrambled display

[aurgathor]

I just installed the latest version of VLC player (2.2.4) on my Win 7 box, and the display is scrambled as small colored rectangles roughly corresponding to the colors in the movie. (similarly bad with 2.2.1) Sound is fine, plus Windows Media Player plays the mp4 file just fine, so there can't be anything truly bad about the file I'm trying to play, or with my system.

System: Dell Optiplex 755 with an E8500 dual core CPU and 8 gig of RAM running under Win7-x64 pro.
Video card: ATI FireGL V3100 using driver 8.56.1.16 which is from the Win 7 CD.
VLC settings should be all defaults as I haven't changed anything.

Any idea? I suspect VLC may not handle the V3100 correctly, but I need to find another video card to test that theory first.

I could attach a screen shot, but I don't see any option to attach a file.

TIA

[eniwetok]

Is this a problem with just one video file? Maybe Media Info can tell you more about its technical specs

https://mediaarea.net/en-us/MediaInfo/Download

It's not vp9? webm files I get from some sources don't play well on VLC.

[aurgathor]

It's a problem with every video file I've tried (mp4, avi, iso). Files play fine with VLC on my XP box.

[eniwetok]

This is beyond me. VLC has been very stable with a minuscule number of bugs since I started using it over 8 years ago. All I can suggest is a clean reinstall. The only other thought is mp4 and avi are merely containers... what AV codecs are being used is another matter... which is why Media Info might provide more info on each file. It does raise the question whether VLC comes with all its own codecs or whether it uses some provided by Windows. I know trying to play some files on WMP I had to download some new codecs.

VLC plays everything I've thrown at it except those few vp9 files.... here's a list of supported formats http://www.videolan.org/vlc/features.html

Is your Win7 machine new? Are you new to VLC? Just wondering if any existing codecs were corrupted.

[aurgathor]

I just got a couple of older video cards, one based on a GT6600 and another on a HD3450, and it's most certainly a VLC bug since it works fine with those cards.

How do I file a bug report? I admit the FireGL V3100 is a bit of a weird iron, but nonetheless, this is a bona fide bug.

[Jean-Baptiste Kempf]

@aurgathor: please share the logs, if you can. Please share a screenshot.