View Full Version : greater than 2 pass xvid/divx encode
SonofPhatty2x4
8th March 2008, 08:10
I'm looking to do more than a 2pass xvid encode on my dvd's.
I recently purchased a 42 inch HDLCD. Runnig my converted dvds via XMBC to the TV gave really impressive quality.
However, I think I can do better. I would like to test an X-pass xvid encode (perhaps 5 to 7 passes) to see what the quality is. I would like to get my DVD coversions of 300 and Gladiator to be more "efficient" in their conversion.
Yes. I would normally agree that 2pass is more than plenty. However, I would like to verify that for me, 2 pass is the only thing needed.
Also, I want it to be in xvid or divx, not h264. Reason being, my media player is an xbox that runs xbmc, is limited in what you can do with h264 so I don't need to test it.
I've been trying to track down a how to for vdubmod, but have not been successful.
Dark Shikari
8th March 2008, 08:43
More than 2 passes is basically totally useless in all modern encoders.
SonofPhatty2x4
9th March 2008, 01:07
More than 2 passes is basically totally useless in all modern encoders.
I would tend to agree with thought.
However, I still would like to try and see if there is a difference. Nothing to loose but my own time.
twolfe18
9th March 2008, 03:14
i could maybe see doing 3 passes if you have maxed out all other settings, but 5 to 7 passes is silly. have a friend give you a blind test between 2 and 3 passes. if you can guess which one is better more than say 7 times out of 10, then maybe do 3 passes. i doubt you will be able to tell any difference.
ps - if you are still using xvid/divx and are considering doing more than 2 passes, switch to x264! x264 with 2 passes and a given bitrate will outperform xvid at 10 passes.
Abond
9th March 2008, 23:12
I think the latest Divx codecs can do more passes.
SonofPhatty2x4
10th March 2008, 04:40
i could maybe see doing 3 passes if you have maxed out all other settings, but 5 to 7 passes is silly. have a friend give you a blind test between 2 and 3 passes. if you can guess which one is better more than say 7 times out of 10, then maybe do 3 passes. i doubt you will be able to tell any difference.
I would tend to agree. However, I still would like to try and see. That's why I'm asking for a "how to" guide on greater than 2 pass encode.
ps - if you are still using xvid/divx and are considering doing more than 2 passes, switch to x264! x264 with 2 passes and a given bitrate will outperform xvid at 10 passes.
I would agree with this as well. Testing done on my computer has been promising. However, the xbox/xbmc is a bit lacking in the horse power needed to view a file converted to x264.
As soon as I get an invite to purchase a popcorn hour or istar player, I'll be moving over to x264. Until then, I will use xbmc.
SonofPhatty2x4
10th March 2008, 04:42
I think the latest Divx codecs can do more passes.
is ther a "how to" that you are aware of to accomplish this?
Shinigami-Sama
10th March 2008, 04:50
is ther a "how to" that you are aware of to accomplish this?
VDub can make it use more than one pass
but VDub is pretty old
prOnorama
10th March 2008, 05:42
I have done a few 3 and 4 pass encodes with the old DivX 5 codec (when it was free for a while) using Gordian Knot
I noticed no difference really so I switched back to Xvid
I assume DivX 6 can do multi-pass as well (don't know if it works with GK though), maybe a program like DrDivX will work
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