Sarod Yatawatta on Sat, 20 Apr 2002 00:30:17 +0200


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Re: [PLUG] Converting graphics on linux


Why don't you try mpeg_encode? It is a command line tool by ucb.

On Fri, 19 Apr 2002, ian reinhart geiser wrote:

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> On Friday 19 April 2002 06:05 pm, gabriel rosenkoetter wrote:
> > On Fri, Apr 19, 2002 at 05:15:19PM -0400, ian reinhart geiser wrote:
> > > Unfortunately if I had the memory to contain 150megs of GIF file in
> > > memory this would not be an issue.  What I am looking for is a tool that
> > > will let you write all of the files to one file, and not take up all of
> > > the memory.
> > >
> > ::blink::
> >
> > Heard of virtual memory?
> >
> yup, once you hit it yer on the path to hell....
> 
> > In any case, no sane program would try to hold all of a 150 MB file
> > in memory at a time; rather, it'd mmap() one page-sized chunk
> i never said imagemagik was sane, did i?
> 
> please read about the problem description before getting too freaky here.
> 
> > (perhaps giving the VM system some preload hints about what it's
> > going to want next), and then write out in the same size.
> >
> i am in no mood to hack my VM just to process a dataset. I mean I have seen 
> this done on MacOS where you can write directly to Qt movie files that are 
> almost a gig in size.
> 
> > Have you actually *tried* this and seen a memory error, or do you
> > just believe there'll be a problem?
> Yup, it gets about 50% of the way through on my system then it starts to 
> thrash wildly and it churns on it for an hour or two before it finishes....  
> I only have 256Megs here, and 512Megs of swap. Considering it takes about 5 
> minues to generate the initial dataset, i am wondering if i can write 
> directly to mpeg at this point.  Hence why I posted the above response.
> 
> - -ian reinhart geiser
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