Cure for lag? ^_^

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Cure for lag? ^_^

Postby Aki Ameko » Tue Jun 20, 2006 8:41 pm

Ok, I'm new to this, and I'm sure it's a 'WELL DUH!! THAT'S WHY WMM SUCKS!!!" and very obvious thing that's been brought up a lot. WMM spends so much time lagging that I can't see if I got my timing right, and it goes to 'Not Responding' very often. Anyone know how I can get it to work for me, like the nice little movie making program it's supposed to be?

"LOL, u n00b!"
"Get a better program, DUH. :P"
^I've said it already, so now I don't want to here it.
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Postby Kalium » Tue Jun 20, 2006 8:43 pm

You're going to have to be a lot more specific about what's going on. "WMM is lagging on me" isn't enough information. We need more than just symptoms, we need to know relevent setup. For one, what kind of source are you trying to use? For another, what kind of hardware are you using?
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Postby downwithpants » Tue Jun 20, 2006 9:47 pm

more ram should help, but if you already have a good amount of ram (1-2gb) increasing ram might not be the most cost effective way to reduce lag.

i've found that using divx's shitty-quality/fast-speed mode of encoding produces the least amount of lag of all codecs i've used, including lossless codecs/uncompressed. the video quality will of course look terrible, but you can swap these out with lossless quality clips after you've gone through the editing stage and figured out what scenes you want to use.
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Postby Aki Ameko » Tue Jun 20, 2006 10:05 pm

Kalium wrote:You're going to have to be a lot more specific about what's going on. "WMM is lagging on me" isn't enough information. We need more than just symptoms, we need to know relevent setup. For one, what kind of source are you trying to use? For another, what kind of hardware are you using?
Let's see, well it's .avi files created in VirtualDubMod, and for hardware do you mean what kind of PC I have? It's Windows XP. And as for ram, no clue. How do I find out?
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Postby Kalium » Tue Jun 20, 2006 10:36 pm

VDubMod... meaning lossless stuff? HuffYUV? If so, you're likely to get some lag, and there's very little you can do about it.
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Postby DJ_Izumi » Tue Jun 20, 2006 11:05 pm

HuffYUV is pretty fast... I'd be suprised if it was causing lag.

Though I've only used it in Premiere.
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Postby Kalium » Tue Jun 20, 2006 11:21 pm

I'm going to posit a relatively low-end machine, with the resulting fairly low about of physical RAM availible. Which would account for the lag.
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Postby DJ_Izumi » Tue Jun 20, 2006 11:50 pm

I can't vouche for ram, but I was able to work fine with HuffYUV on my old eMachine, a Pentium III at 500mhz with 512mb of RAM. However I did work at 512x386 instead of 480p in those days.

Even so, I don't think HuffYUV should even result in a 'waiting' type deal. That sounds more like DivX or a laggy AVS script. When using Gravitation on Vdub to convert to Lagarith, there would be a wait while waiting the frame to load due to the filters and ivtc.

Could that be his problem?
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Postby Kalium » Tue Jun 20, 2006 11:57 pm

I, on the other hand, have experienced editing prog lag with HuffYUV before at full res. It happens, I know for a fact.
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Postby Kariudo » Wed Jun 21, 2006 2:08 am

Kaisune wrote:And as for ram, no clue. How do I find out?

right click on "my computer" and click properties

cpu-z is just a cool tool that can tell you some useful/interesting things about your computer, including how much ram you have, and what speed it's running at

if you have an older/slower processor or 512MB of ram (or less, but I was using premiere pro 1.5 on my laptop with 512MB pc2700 ram with no real problems) you will probably run into lag issues when trying to do any type of video editing. Adding effects to your video could also be causing the lag
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Postby Aki Ameko » Wed Jun 21, 2006 3:48 pm

Ok, downloaded the cpuz. Under memory>size it said 1.024 Gigbytes (or 1024 MBytes)

Well not sure if it's HuffYUV or whatever. But I did do some things with the avisynth script such as resizing, deinterlacing, converting to RGB, and changing the field order of some of the footage.

Does any of that help?
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Postby Brad » Wed Jun 21, 2006 4:30 pm

Kaisune: Are you using the method that I typed out for you in your General Video thread? I showed you how to make Huffyuv clips of your scenes to import into WMM.

If you are using this method, you SHOULDN'T be having any problems (and seeing as how you have a gig of RAM, I think it's also safe to assume that you probably have a relatively decent CPU. I'm making this assumption on the fact that since you don't know the specs of your system, it was probably a pre-built computer from a vendor such as Dell or what-have-you, and if they put in a gig of RAM, then it likely also has at least a somewhat decent CPU. I would also assume that it should be able to handle Huffyuv video perfectly fine, considering that I used to edit with Huffyuv clips on my Pentium II 333mhz computer with 128mb of RAM :P)
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Postby x_rex30 » Wed Jun 21, 2006 4:37 pm

I don't get any lag even when using some transitions and effects on clips.. if your script has a lot of picture quality adjustments your clip will play slow.. I recommend adding the ones needed to make your footage look nicer after you have finished your video, witch is what I did with my last two videos.

I'll just copy/paste what I wrote in the video profiles, pretty nice concept IMHO

"Some technical info: While I was editing I used AVS scripts in Vegas 6.0 using VFAPI and the avs scripts only had fps adjustments, deinterlacing methods where they were needed(didn't need to worry about this with the "End of Evangelion" and the "Death & Rebirth" footage because it was already progressive) after I was done editing the video.. all I did was simply change the script to a more advanced script with more advanced script settings that cleans up the footage witch would of slowed down the video playback if I put them in before I edited.. then I made another fake avi of the AVS scripts with VFAPI, loaded up my project again and then exported. I recommend editing this way because it takes less space to edit the VOB directly than to make a lossless compression of the anime with codecs like Huffuv/Lagarith because it will get 10x as big than the VOB files and if you decided to edit with lossless compressed video, the playback will be a lot slower than if you just used the VOBs directly. There is even programs out there that let you split vob files without any quality loss like Chopper XP.. so if you just want to take small clips from an anime and don't want a massively large lossless Huffuv/Lagarith file to edit with.. just chop all the scenes you want with the vob splitter and then make a project file of all the vob files with DGIndex, make an avs scipt with AviSynth and then just throw the avs file in your video editing program(if your video editing program does not support avs scripts, use VFAPI to make a fake avi file out of the avs file.) Hope this info helps a bit!"

Vfapi works really well with just about any editing program that I've used including WMM
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Postby Brad » Wed Jun 21, 2006 5:24 pm

x_rex30 wrote:I recommend adding the ones needed to make your footage look nicer after you have finished your video, witch is what I did with my last two videos.


This completely defeats the purpose of pre-processing. If you add those filters to your final video, things like added effects, blurs, some transitions, etc. are all going to be filtered too, when they really dont need to be, and can thusly make the image look worse. In some instances, it's okay, like if you're doing a video with ONLY straight cuts. Otherwise, it's strongly suggested that you pre-process your video source.
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Postby x_rex30 » Wed Jun 21, 2006 5:53 pm

AtomX wrote:
x_rex30 wrote:I recommend adding the ones needed to make your footage look nicer after you have finished your video, witch is what I did with my last two videos.


This completely defeats the purpose of pre-processing. If you add those filters to your final video, things like added effects, blurs, some transitions, etc. are all going to be filtered too, when they really dont need to be, and can thusly make the image look worse. In some instances, it's okay, like if you're doing a video with ONLY straight cuts. Otherwise, it's strongly suggested that you pre-process your video source.
All I did with my EVA footage was add HQDN3D() after I finished editing and it really slows down the video if it's in there before I start editing.. what's wrong with adding that after the video is finished? Does that mean there is something wrong with my video now because I didn't do pre-prcessing? I adjusted the framerate and IVTC'd the Platinum addition fooate before I edited witch if I messed with after I finished editing the scenes would be all shifted around. I don't see whats wrong with just having basic setting like that when editing and then adding some filters to clean up the footage later. :?
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