Quantcast Captured Video Has Too Many Drop Frames - digitalFAQ.com Forums [Archives]
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11-08-2002, 09:46 AM
ARAGORN ARAGORN is offline
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Hi people!

I've got a win tv go and I try to capture vhs with virtualdub. It doesn't work:too many drop frames. I've got the last drivers I see i must to use on this forum. At any resolutions it's the same problem. I've got this message: audio lost during capture, reduce the capture frequence. It doesn't work even at the min audio frequence. Other problem: i've got green lines in the preview. Thanks for your help.

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  #2  
11-08-2002, 04:09 PM
el_mero_zooter el_mero_zooter is offline
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Ar,
what video drivers/DirectX/AudioDrivers and/or chipset (sis, via, intel) does your pc have? Are you using the virtualdub_synch version to capture as well? Have you tried other capture programs like Avi_io?


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  #3  
11-08-2002, 05:02 PM
ARAGORN ARAGORN is offline
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Hi
I've got the last video drivers for my S3 ProSavage4 3D AGP 8MO, direct x 8.0 ,iuse crystal vdm audio, chipset via. My config is a amd duron 900Mghz , 256 MO SDRAM, I've got two hard drives. I've tried with other captures program( also virtual synch). I lost more frames than i'm capture. Is there a solution?

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11-23-2002, 11:12 AM
willy_annand willy_annand is offline
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Quote:
Originally Posted by ARAGORN
Hi
I've got the last video drivers for my S3 ProSavage4 3D AGP 8MO, direct x 8.0 ,iuse crystal vdm audio, chipset via. My config is a amd duron 900Mghz , 256 MO SDRAM, I've got two hard drives. I've tried with other captures program( also virtual synch). I lost more frames than i'm capture. Is there a solution?
Not familiar with the ProSavage card, does it have video in capabilities?

I was using an AMD 700 with an ASUS card, I was dropping frames when I tried to cap and compress in one motion, what format are you capturing?

Also, VirtualDub uses the old VFW format, most new (last 3 years) hardware uses the more efficient WDM format. VirtualDub does have a "WDM wrapper" but most of the time it does not work.

I now have an ASUS graphics card with video In and a Winnov Videum card. I have gone back to using the capture utility for the specific card, then edit in VirtualDub and convert in TMPGEnc.

you also do not mention your OS. Win98SE or WinXp would be my suggestions (WinXP is much better). If you were unlucky enough to get stuck with WinME, dump it and upgrade fast, lol

The above are just my personal opinions found through testing on my machine and on my clients machines during the 7 years I have been a computer consultant.
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11-23-2002, 11:42 AM
ARAGORN ARAGORN is offline
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Hi willy_annand!

I've got windows me. Is it such horrible? Must i change of graphic card? I try to capture at 352x576 with sourceforge.net drivers but it seems to work only in preview mode. The green lines was a problem of saturation, i've solved it. I've tried another program that have captures capabilities and i lost a few frames but when i cature in yuy2 the result is in accelerate. In rgb24 the image is as it was dark!In yuy2 there is also big lines green and black that appears occasionnaly. I don't know if you can help me more but thanks in advance.


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11-23-2002, 05:44 PM
andybno1 andybno1 is offline
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Quote:
Originally Posted by ARAGORN
I've got a win tv go and I try to capture vhs with virtualdub. It doesn't work:too many drop frames.
in capture mode, click capture --> Disk I/O and set the chunk size higher to something like 6MB I find this reduces the dropped frames considerably and sometimes stops frames from dropping.
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