[rescue] Sun 711

[Shawn Wallbridge]

Hmmm. That is a good idea.

I just installed imagemagick to run some tests. The machine will be on
Gigabit Ethernet (at least I assume), but I want to see how long it takes to
strip Alpha from a 2K frame.

shawn

-----Original Message-----
From: rescue-admin at sunhelp.org [mailto:rescue-admin at sunhelp.org]On
Behalf Of Joshua D Boyd
Sent: Thursday, May 02, 2002 12:21 PM
To: rescue at sunhelp.org
Subject: Re: [rescue] Sun 711


On Thu, May 02, 2002 at 12:20:06PM -0500, Shawn Wallbridge wrote:
> I am pretty sure it is actually 281MB/s.
>
> 2000*1536 x 32bit (RGBA) x 24fps

Ahem.  I see.  I left out the A in my calculations.  It does seem silly when
leaving it out saves you a very valuable 25% data rate.

> Now strictly speaking, I don't think RGB_A_ is needed for playback, but we
> need to render Alpha, so we would have to convert the files for playback,
> which would be a pain.

How are you getting the video onto the playback machine?  I'm assuming a
network copy?  Would it be possible to set it up so that writes take place
to directory c:\incoming, and a script watches all frames come in, strips
them of alpha, converts them to raw, and writes them to d:\playback?  I'm
assuming that people aren't going to be writing new frames to the machine
during playback, and if the machine is only gigabit ethernet, it should be
able to process the frames about as fast as the come in.

This probably could be done with an extremely simple cron like job and
imagemagick, regardless of OS used.

I'm just kicking out ideas.

--
Joshua D. Boyd