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AlphaStrategyGui des.com
I have recently invested in a top of the range framegrabber (A $400 Falcon IDS professional frame grabber) for still capture and video capture. But because it s not a card you buy in the shops (it's normally designe for medical or security companies), you don't get any real software for it (just a driver CD).

Now, compared to my WinTV 2000XP card, this video doesn't appear to be interlaced, as when I move, scanline-like lines appear on the screen briefly. I have captured a test file in VDub and uploaded for you all to see.

I basically need to know how to get the picture "smoothed" out so that the lines don't happen. If it is already de-interlaced, is there any way to force it to interlace the picture from the start?

http://www.samus.co.uk/temp/pd_zero_test.avi (82 megs)

(2-pass XviD 1.1 codec used for compression)

All help in the matter would be greatily appreciated.
Thread title:  
Edit history:
nate: 2006-07-10 09:52:50 am
yep, interlaced. pretty good looking image, too, maybe slightly dark - but then i'm not familiar enough with the source material to really say.
AlphaStrategyGui des.com
Quote:
yep, interlaced. pretty good looking image, too, maybe slightly dark - but then i'm not familiar enough with the source material to really say.

So are you saying the picture IS already interlaced, or NEEDS to be interlaced?

Any ideas on how to solve the problem? And the source material is at night time (in the game), hence the darkness. But yea, it's a nice quality, hence why I'd love to solve this problem Wink
http://faq.metroid2002.com/

you're looking for "editing video" under the capture section. don't forget to install avisynth, etc as described earlier in the faq. it's actually really out of date, but it will be enough to get you started untl the 1.6 version of the faq hits sometime later this week.
AlphaStrategyGui des.com
Thanks for the advice Nate. Seems to have done the trick. Cheesy

Tell me what you think...

http://www.samus.co.uk/temp/cod2_final.avi (55 Megs)

http://www.samus.co.uk/temp/GRAW_final.avi (67 Megs)

Both done with the bob filter and AVISynth. Is the next update of the FAQ going to include screengrabs of the VDub screens and the other steps? Might prove useful, I know I'd have found it a bit easier that way.

Just out of curiosity, with DivX nth pass, how many passes is the optimal for time vs quality vs filesize issue? Any ideas?
Edit history:
ballofsnow: 2006-07-10 09:15:21 pm
Quote:
Thanks for the advice Nate. Seems to have done the trick. Cheesy

Tell me what you think...

http://www.samus.co.uk/temp/cod2_final.avi (55 Megs)

http://www.samus.co.uk/temp/GRAW_final.avi (67 Megs)

Both done with the bob filter and AVISynth. Is the next update of the FAQ going to include screengrabs of the VDub screens and the other steps? Might prove useful, I know I'd have found it a bit easier that way.

Don't use smart bob... nate doesn't even use it anymore. Check out this thread.

Quote:
Just out of curiosity, with DivX nth pass, how many passes is the optimal for time vs quality vs filesize issue? Any ideas?

Just do two passes. For DivX mode, don't use balanced, go with at least extreme, insane if you want to be sure to maximize the quality as much as possible.

Learn how to compress the audio. Your cod2 has a 14.6 MB audio file which is rediculous.
Edit history:
Andrew_Mills: 2006-07-10 09:17:57 pm
AlphaStrategyGui des.com
Quote:
Don't use smart bob... nate doesn't even use it anymore. Check out this thread.

Just do two passes. For DivX mode, don't use balanced, go with at least extreme, insane if you want to be sure to maximize the quality as much as possible.

Learn how to compress the audio. Your cod2 has a 14.6 MB audio file which is rediculous.


Well it seems to work well enough for me. I thought my cod2 file WAS compressed audio...  Huh? Arse, will need to keep an eye on that methinks. Thanks for the heads up Cheesy
Edit history:
ballofsnow: 2006-07-10 09:28:35 pm
Quote:
Well it seems to work well enough for me.

Leakkerneldeint is easy to setup. Smart bob is BAD!


(ok it's not that bad, but it's obsolete)
Invisible avatar
Quote:
Your cod2 has a 14.6 MB audio file which is rediculous.

Spelling mistakes are sometimes ridiculous as well.

Sorry, had to do it Wink

[/offtopic post for July]
Edit history:
ballofsnow: 2006-07-10 11:04:04 pm
^^ Oops.


Andrew, you may need to use complementparity() in your script. For example,

avisource("pd_zero_test.avi")
separatefields()

...showed jerky movement, while

avisource("pd_zero_test.avi")
complementparity()
separatefields()

..did not. So you'll need to do something like

whateversource("blah.avi")
complementparity()
yourdeinterlacer()
AlphaStrategyGui des.com
Quote:
Oops.


Andrew, you may need to use complementparity() in your script. For example,

avisource("pd_zero_test.avi")
separatefields()

...showed jerky movement, while

avisource("pd_zero_test.avi")
complementparity()
separatefields()

..did not. So you'll need to do something like

whateversource("blah.avi")
complementparity()
yourdeinterlacer()


My avs script =

clip=AVISource("C:\prey.avi")
clip.ComplementParity.SeparateFields

Isn't that the same thing?
Edit history:
ballofsnow: 2006-07-11 01:42:51 am
Yes, and that's because you're using smart bob (bad!) which requires separated fields. Not so with leak and mvbob, but you still need to use complementparity if there's jerky movement.

edit- Whoa...

I wanted to compare mvbob and smart bob so I took the pd_zero clip that andew supplied, applied the filters, and saved as Xvid with quantizer 2. The other settings were kind of low to speed up encoding, but they were the same nonetheless for both clips. Audio was disabled.

mvbob clip, filesize = 31,324 KB
smartbob, filesize = 51,286 KB

So basically, not only does mvbob give the best quality as a deinterlacer, it also has lower file size, meaning more bits for the codec to use so that's even more quality!

Not that I suggest you use mvbob since it is excruciatingly slow. But, score 1 for mvbob. Wink

edit- Leakkerneldeint is a bit more reasonable.

Threshold 0, filesize = 36,898 KB
Threshold 10, filesize =  39,188 KB
AlphaStrategyGui des.com
Thanks for the info, I'll keep it in mind and try to implimnent it. I've actually managed to up teh quality even more by figuring out how to get the S-Video input to register the XBox 360's S-Video connector.  8) By GOD it looks SOOO much better than the composite examples I uploaded...  Grin
is this ntsc? if so, then that explains why composite is crap.

as for the deinterlacers, that's very good knowledge, snow. that needs to go in the knowledge base under "Deinterlacer" if at all possible. btw, i really want to get that thing launched soon, so move all your info in! Tongue
AlphaStrategyGui des.com
Quote:
is this ntsc? if so, then that explains why composite is crap.

Nope, it's all been PAL Composite so far. Haven't tested NTSC in my new capture card just yet mind. Will get around to that tomorrow hopefully. Smiley
ah, crazy. i didn't expect you'd be able to make out such a difference between composite and s-video in pal.
Quote:
as for the deinterlacers, that's very good knowledge, snow. that needs to go in the knowledge base under "Deinterlacer" if at all possible. btw, i really want to get that thing launched soon, so move all your info in! Tongue

To tell you the truth, this wiki stuff is kind of scary. Tongue

I'm in my last week of school before vacation so I won't be able to do any work until then. I plan on making that deinterlacer page, and also a page about possibly salvaging dvds that haven't been finalized.
Edit history:
nate: 2006-07-11 04:31:27 am
ok cool. wiki stuff isn't too bad, takes a little getting used to from html, but if you know html and have a good editor that supports regex with references like sed then you can just do a couple replacements and bam, wiki-ready from html. i've found this page had pretty much everything i needed to convert the stuff that's already up there.

edit: see also this page.
I'm addicted to games
Quote:
if you know html and have a good editor that supports regex with references like sed


Or RadixEdit ! Kiss
i didn't know that was declassified. ;P
AlphaStrategyGui des.com
Quote:
ah, crazy. i didn't expect you'd be able to make out such a difference between composite and s-video in pal.

The colour hatching/bleeding is virtually gone in s-video, so when a 4-Meg DivX 5.2.1 compressed file is converted to DVD at an equal bitrate, it looks just sweet  8)

BTW: I'm having an issue with any DivX after 5.2.1 in that if I try for any sort of compression (including the new 6.2.5 version), then VDub creates an error about the dource file not being compatible (it's an HUFFYUV best quality original source).

Has anyone had a similar problem with DivX that they've managed to rectify at all? (As I'm stuck with 5.2.1 as that's the only version I can find that will work).  Sad
i don't notice anything about that particular version ... but i know a common way to get later versions of divx to take your video involves changes the "certification profile" of divx (under the "main" tab) to "unconstrained". you may need to select the trial under the "try divx pro" tab and restart divx in order to enable that functionality.
AlphaStrategyGui des.com
Quote:
i don't notice anything about that particular version ... but i know a common way to get later versions of divx to take your video involves changes the "certification profile" of divx (under the "main" tab) to "unconstrained". you may need to select the trial under the "try divx pro" tab and restart divx in order to enable that functionality.

Thanks for that. Smiley Seems to be working so far. Although it seems to be fussy with the LAME MP3 choices I try and make...  :-/ Still, insane quality PAL S-Video videos should be kick-ass regardless.  8)

Thanks for all the help again everyone.  Anymore probs, and I'll stick'em in here. Wink
Edit history:
nate: 2006-07-11 10:58:20 pm
yeah, lame can be lame. be sure to use only the version i link to in the faq, or you'll be sorry. also, i've found that vdub's "conversion" thing in the audio menu works well, just be sure to check "high quality". that will help if you have audio in some crazy bitrate or something and need to change it (for example, i use 22050 hz, half cd quality, for mq/lq divx here). oh, and i've found that mono in lame doesn't work very well at all, so i always encode nes and other mono stuff in stereo with the two channels identical.
AlphaStrategyGui des.com
Here's my first PAL S-Video capture running on DivX 6.2.5 with Insane Quality (Single Pass) 4 Meg bitrate and 162k CBR MP3 audio.

http://www.samus.co.uk/cod2_sample.avi (40 Megs)

Still using the smart bob de-interlacing just now as I've only just got used to that. Will look at S-Video captures using the 2 suggested by ballofsnow later on.

See any improvement at all in it with S-Video?