Long time no mjpegtools...

Hello all!  For those of you that don't remember me, I'm an mjpegtools developer too, and long ago I wrote y4mdenoise, but that was about 4 years ago.

I apologize for my absence.  I had one of those more-than-full-time jobs that worked me to death.  (Mommas, don't let your babies grow up to be video-game programmers.  Especially not Sony/iPhone low-level hardware programmers.)  The company closed down six weeks ago, and it's taken me this long to get over the trauma enough so that I was willing to deal with my home computer again without whimpering. ;-)

I've been sitting on several y4mdenoise changes for quite some time, and just now checked them in.  Mostly, I formalized the updates needed for newer versions of GCC, and I improved the algorithm a bit.  Before, if match-size-throttling was in use (as it usually is), it picked the first match bigger than the throttle size, but now it picks the largest such match.  This led to a pretty serious quality increase!  Also, I finally fixed the threading properly -- no more truncated streams.  Man, that was sloppy.

My intention is to implement the next logical step in my algorithm, which should be faster & generate better results.  After that, I hope to improve the threading so as to fill up more processors on SMP machines.  In my dreams, I'll finally port y4mdenoise to the Cell processor & take advantage of the SPUs (the only thing I like about the PS3).  I guess it's up to Murphy's Law: either I'll get to do this, or my old company will get a contract and I'll be back to steady paychecks.  Let's see which one Murphy thinks is more "wrong". :-)

Looks like lots of bug fixing happened while I was away!  I can't wait to try the latest mpeg2enc and yuvdeinterlace!

Steven Boswell
ulatec @ sourceforge

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