Divx/Xvid and motion

[doncaruana]

I'm hoping someone can help me out with motion issues on my divx files. I have a portable MG-25 mpeg player and I'm trying to compress my DVDs to fit on it for maximum storage. The problem I'm having is that when I play my standard Divx encodes (1200Kbps, single or multipass) or even a standard xvid, I get a lot of motion deinterlacing and jumpiness. When I play the same video on a beefier machine (my xbox, DVD player, etc) I don't get that problem.

At first I was just disappointed in my player then I got one that someone else encoded (divx) and played it on the same player and had no issues.

So, after that long setup, what I'm trying to figure out is what settings can I use to get a decent quality video at a high compression rate without the motion issues? (Asking a lot, huh?)

With a lot of experimenting so far, the best results (I'm using Tmpgenc Xpress 4) were with Divx and setting the performance to "Best Quality" and the High/Low motion slider to 0 (it's .18 by default) with 2 passes at 1200Kb/s. But this took forever (although some of it was in the background).

Anyway, to give an idea, a normal movie (these are mainly our Disney collection, so they're about 70-80 minutes long), will do a one pass divx on my machine in about an hour. A higher quality 2 pass might take 4 hours, depending on how I tweak it. And the one above took 9 hours! (AMD FX-55, 1GB , SATA HDD with plenty of space). I didn't think my mahcine was underpowered - but I can't figure out what other people are doing - do they know the right settings or are they really going through these long encodes?

So, if anyone has any decent suggestions, they would be greatly appreciated.

Thanks,
Don

[Krispy Kritter]

Open the file that works with a program such as Gspot. It will provide the codec and other file informaton.

[doncaruana]

Gspot doesn't give you that detail of information, ie what encoding options were used. I already know the codec, bitrate, etc. But I can't tell from gspot or avicodec what options were used during compression (like motion search, etc). Unless I'm missing something in gspot, this doesn't help me....

[redwudz]

The settings you are using seem like 'overkill', especially if you are not getting good results. You might try another program like AutoGK and see if there is any improvement. I'm not sure a program like TMPGEnc Xpress does that well with Xvids.

For more info on the file, you could try MediaInfo, but I'm not sure all the info you are looking for is encoded with the file.

[doncaruana]

Well, I've continued in my experimenting and learned some things.

It appears as if the source has a great deal to do with how my stuff ends up looking on this portable player. Bottom line is that what I ended up doing is setting the frame rate 23.976 (these are film->dvd encodes) and setting a few other options as well. I set up adaptive single encoding, set the keyframe interval to 240 changed the quantization to h.263 optimized and put "performance" to excellent (one notch down from the top).

What I ended up with was a great encode that was the same size that had none of the issues I mentioned before. I'm still tweaking but I think I've got my answer. One thing I'll look at more closely in the future is the source and I'll also look a little closer at live action vs animation (this is all animation so far).