Windows 7 Problems: Some Gone, Some Not.

[audiohominis]

Hi guys.
Like many others, since moving from XP 32 bit to Windows 7 x64, I've been experiencing many new issues with various formats. Replacing the x64 version of FFDShow Tryouts with the x86 one seems to have restored the playability of some formats (to varying extents) but many problems still persist. To make things worse, I'm also a newbie, so please be kind and correct me.
Hoping to help you help me I've put together a table of results with a number of formats that play fine in VLC but exhibit problems with AVISynth 2.5 and MPC (the good old, forgiving '95 version).

Here's what I'm trying to indicate:

works via MPC - Is the stream visible/audible in the player directly?
works via AVS - Is the stream visible/audible in the player via DirectShowSource() or audible via GetChannel() of a DirectShowSource()?
no (error) - AVISynth returns that the format is not supported
no (stuck) - Play head not moving/media not starting.

http://farm3.static.flickr.com/2695/4466176950_0d6b00cf80_o.gif

Whatever tips/directions you could offer to help fix any of those would be tremendously appreciated.
Thank you for your time.

[TheRyuu]

cccp + dss2 + ffms2 (+xvid + internal plugins) covers just about everything in that graph I would think.

[audiohominis]

cccp + dss2 + ffms2 (+xvid + internal plugins) covers just about everything in that graph I would think.
Would that get AVS to support those formats via MPC VDub MeGUI? The thing about CCCP is remember being advised against installing codec packs.

[osgZach]

CCCP is just about the best pack you could install these days. It doesn't really put a ton of unnecessary crap in like other packs of old will. It's pretty much a gold standard in my book.
Also its worth noting, if you've never actually opened up the FFDshow decoder config options to double check, you may find some formats disabled by default. I had to switch HuffYUV to libavcodec, for instance, after installing. FFDshow x64

CCCP on the other hand should be pretty good about getting most stuff enabled for you, however. If you don't really require an x64 playback or encoding pipe, CCCP will set you up nicely.

[audiohominis]

Thank you, guys.

[audiohominis]

CCCP didn't seem to do anything
My guess is that all the necessary components that came with CCCP that were supposed to make the difference had already been installed on my system (probably newer builds too).

dss2 just shows a green screen

ffms2 I'm kind of confused by the documentation (being the n00b that I am). Setting the fps number and denominator changes the frame rate by changing the frame count (preserving duration). What I need instead is the AssumeFPS() equivalent. May I ask for a snippet, please.
...if you've never actually opened up the FFDshow decoder config options to double check, you may find some formats disabled by default. I had to switch HuffYUV to libavcodec, for instance, after installing. FFDshow x64
I should've opened by mentioning that tweaking FFDShow decoders was actually among the first things I had tried. :(

[osgZach]

Have you tried uninstalling everything and then installing CCCP?

They also have a program called Insurgent that can help with troublesome stuff that is still on the system, I believe.

Unfortunately when it comes to video codecs, once you have stuff installed it can sometimes be a real pain to fix issues like this.