Video playback after disabling drm service


I disabled DRM-services in startup with Autostarts on my rooted GalagyS+. I took some video-clips with camera and playback was ok during that session. After booting I downloaded VidTrim and disabled Droidwall (only allowing surfing and googlePlay, which was not enough for download to start) during operation and after that videos showed just black screen with voice in any player.:mad: Removed VidTrim-no help. Returned DRM-service on startup-playback was ok again.
I want to remove that drm-shit permanently, never using any drm-content, just my own clips. How to avoid drawbacks, which players to use??