Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 24 Apr 1996 23:56:53 -0700
From:      "Amancio Hasty Jr." <hasty@rah.star-gate.com>
To:        Mark Tinguely <tinguely@plains.nodak.edu>
Cc:        multimedia@freebsd.org
Subject:   Re: 30fps with vic? 
Message-ID:  <199604250656.XAA00413@rah.star-gate.com>
In-Reply-To: Your message of "Wed, 24 Apr 1996 09:05:35 CDT." <199604241405.JAA00245@plains.nodak.edu> 

next in thread | previous in thread | raw e-mail | index | archive | help
>>> Mark Tinguely said:
 > >  > From: "Amancio Hasty Jr." <hasty@rah.star-gate.com>
 > >  > 
 > >  > Say has anyone managed to get 30fps with CIF geometry (352x288) ?
 > >  > 
 > >  > Tnks,
 > >  >     Amancio
 > >  > 
 > > From: "Jim Lowe" <james@miller.cs.uwm.edu>
 > >  Sure, if I point my camera at a wall I get 30fps, 40kbps, in h.261 mode
 > >  with vic.  If I just do raw frame captures I can get 640x480x4x30fps.
 > >  
 > >  	-Jim
 > 
 > Yep, the compression of moving images causes the lower frame rate and increa
     sed
 > bandwidth. Because of this, IMHO, full quality video will require the
 > compression to be done on the capture board. for internet use, we probably
 > would want only MPEG 1 quality, but leased/wider bandwidth networks will use
 > MPEG 2. unfortunately, MPEG 2 capture boards are very expensive ($4-5K).

Hi,

My next question is: has anyone done a profile analysis on vic / h.261 to
see if vic's performance can be improved?

	Tnks,
	Amancio





Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199604250656.XAA00413>