[GEM-dev] can't get pix_movie working (follow-up)

[chris clepper]

Do you have another DV codec installed?  The settings for the MS are
correct, but DirectShow could be using another codec.

I don't know about the PicVideo codec.  I use ffdshow libavcodec for
MJPEG which works pretty well.

On 6/15/07, Matteo.sistisette <matteo.sistisette at email.it> wrote:
> Hi,
> Thanks a lot for your help
>
> > There is a DirectShow setting for DV quality and it defualts to
> > quarter resolution on some systems. The code for pix_movie tries to
> > force the quality to the highest and that works in my testing.
>
> Definitely sounds like that's my problem, or somehow related.
> It must be decoding at half or quarter resolution (I'd say half), so
> pix_movie's attempt to
> force the quality to the highest is failing in my case.
>
> > You
> > can try to alter the default using the GraphEdit tool in the
> > DirectShow SDK or find the registry value for it.
>
> I'm not sure how to do that.
> I downloaded this application:
> http://www.digital-digest.com/dvd/downloads/graphedit.html
> I don't know if it is the graphedit you're talking about and whether it was
> already installed.
> Following the direction I found in a forum
> (http://forum.doom9.org/archive/index.php/t-34818.html) I've been able to
> "insert" a DirectShow DV Decoder filter, right-click on it / "properties".
> In the abovementioned forum post, it was claimed that just by selecting
> "full" as the resolution and doing apply and close, it would cause
> DirectShow to use that default with any application.
> I found the setting was already on "full". However, I did apply, but it had
> no effect on GEM. It still renders at reduced resolution.
>
> By the way, both Virtual Dub and Windows Media Player decode DV files at
> full resolution and always did so on this machine.
>
> I also tried to search for the key in the windows registry but had no luck.
> I searched for "DV" (too many matches: aDVanced etc etc), "DirectShow",
> "quality", but I didn't find it.
> Any clue?
>
> Thanks a lot
> matteo
>
>
> P.S. avis coded with PicVideo MJPEG with 1:1:1 subsampling are decoded fine,
> but if I code them with 4:2:2 subsampling, GEM crashes (closes PD without
> even opening the typical windows crash dialog) when trying to play them.
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