Tried to set 32- and 64-bit decoders for AVC to FFDShow but it has no effect.
ADDED:
Win7DSFilterTweaker didn't help.
K-Lite x64 reinstallation fixed thumbnail generation.
The Haali shell extension on Win XP SP3 work better than windows' one for thumbnail.clsid wrote:But there is someone that is working on compatibility or not?
Next version of Haali Media Splitter will have full Windows 7 and 64-bit compatibility. However, they are going to remove the shell extension (or at least its thumbnail functionality) because it causes too many problems that they can't fix and don't want to fix.