AVI file is playing, but screen is Black

[mjh]

I get black screen from time to time too with players using overlay. Especially if I use wmr and then switch to overlay later on. The trick in bsplayer is to go to color controls and click on "default" cos somehow the brightness etc have all gotten turned down, hence the screen is black. I used to curse that for a long time until I found the solution by accident. Don't know if this is common knowledge but couldn't find anything to solve the problem at the time. Of course that's just one particular case causing a black screen while the audio plays without problems. Cheers!