rjtech 1500dvx color artifacts in xvid!!

[stevieboy28]

Lately alot of xvid movies I trie to play have the colors are all over the place and weird looking!! Anybody else having this problem? It is only in certain movies that are xvid encoded. Anybody elese having this problem??

[stevieboy28]

anybody???

[Gazorgan]

I see those all the time. I rebuilt the system and they went away. The cause? An old XviD codec. It can also be cause by an old version of FFDShow. I've seen it more often in 98 systems than W2K/XP.

[Kairk]

Most likely these were encoded with a custom quantization matrix. I've been doing some tests with Xvid 1.0 to see what settings will work rjtech 1500, and all the custom matrices I've tested have come out with strange colors and/or very bad blocking. The only 2 that I've found that work so far are the standard h263 and mpeg matrices. I've read on the doom9 xvid forum that custom matrices can cause problems on a lot of standalone mpeg4 players.

I've also found that using b-frames on a 640x480 clip produces blocking/motion problems where b-frames on a 640x344 clips doen't at 1800 kbps. 1 or 2 bframes, packed and unpacked bitstream behave the same way. Looks like the processor is just a little underpowered. However, it plays the same problem clip encoded with Divx511 with b-frames fine.

[ching0]

i own this dvd player, and havent noticed any sort of discolorations or blocking.
to test this, i encoded a movie @ 1510kb/s and 23.97 fps on the new XviD 1.0. audio is 128kb/s. resolution is 640x352.
i was originally encoding this to see if the player supported xvid 1.0, and i kept getting errors. turned out the player doesnt support quarterpixel which i usually encode with, so i turned it off, and the movie played beautifully. i watched it all the way through to make sure, no audio sync problems, no discolorations of any sort. granted, the file was 1.4gb and i put it on a dvd, but the video was dvd-quality.

edit:
if you installed one of the release candidates for xvid 1.0, try running the Vidc.cleaner in the program folder. i was having problems with xvid 1.0rc2.