Re: Lost frames, or what else?

On Tue, May 4, 2010 at 9:49 AM, Andrea Giuliano <[email protected]> wrote:
> Hi,
>
> I'm pretty new to this list, but I swear I have been looking around for
> days before asking my question here. So I hope it's not that trivial.
>
> I'm grabbing old tapes, both VHS and 8mm, using a Canopus ADVC 110
> converter. I did it many times in the last few months, but know I have a
> brand new PC equipped with an Athlon X4, and now I have serious
> problems.
>
> Whatever is the command for grabbing, kino or dvgrab, even in single
> user mode with nice -19, I got DV files which clearly show sudden jumps
> of scene.
>
> Wait a second: I don't speak english as my native language, so I have to
> explain some how what I mean. I don't mean lost frames, because kino
> ends the capture with zero dropped frame. I just mean that when I watch
> the resulting DV files, with kino o mplayer or whatelse, quite often I
> see (and hear) something that otherwise I would considere the effect of
> some lost frames.
>
> This happened sometimes with my old computer, which was a P4 at 2,4GhZ,
> monocore (at least 7 years old). But with this new PC I simply cannot
> get good captures any more.
>
> What could the problem be?
>
> 1) The Canopus has some problems?

doubtful

> 2) The firewire card is not working well with my new motherboard?

quite likely it is something with FireWire hardware or drivers. Get
the model of your FireWire controller and ask on the linux1394-user
mailing list:
https://lists.sourceforge.net/lists/listinfo/linux1394-user

> 3) Multi core can cause problems someway?

no

> I'm running Lenny with the default kernel. I only had compiled
> alsa-driver because my audio card (NVidia MCP61 with VIA coded) is not
> supported by the alsa-driver 1.0.17, the default on Lenny.
>
> Any hint would be very much appreciated.
>
> Best regards.
> --
> Andrea Giuliano <[email protected]>
>
-- 
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