Add more information for directx 9 error
Merge pull request #6960 from sum2012/dx9

Add more information for directx 9 error
Adjust some logging.

Report logic op more correctly, cleanup an incorrect log.
Return an error for MOut on a stereo stream.

It seems like it won't downmix, it returns an error.
Handle atrac files with larger "fact" chunks.

Ends up with the a separate offset for loops, it seems like.  This corrects
looping information for these files.
Correct atrac looping offset by one frame.