[MPlayer-users] SNOW codec and 12bpp

[D Richard Felker III]

On Wed, Mar 09, 2005 at 06:16:51AM +0100, zikzak at tele2.fr wrote:
> On Tue, 8 Mar 2005 21:52:57 -0500
> D Richard Felker III <dalias at aerifal.cx> wrote:
> 
> >On Tue, Mar 08, 2005 at 10:47:05AM +0100, zikzak at tele2.fr wrote:
> >> Hi,
> >> 
> >> How to generate a video with 12bpp for the SNOW lavc codec ?
> >
> >bpp? bpp is totally meaningless.
> >
> >rich
> 
> Hi,
> 
> Sometimes when I open a video with mplayer I can see :
> VIDEO:  [XVID]  1280x720  12bpp  23,976 fps  3199,1 kbps (390,5 kbyte/s)
> 
> and with SNOW I have :
> VIDEO:  [SNOW]  512x368  24bpp  25,000 fps  288,7 kbps (35,2 kbyte/s)
> 
> Is there a way to drop from 24 to 12bpp with SNOW ?
> 
> Maybe I do not understand the meaning of BPP, if this is the case then can you explain what is it ?

It's totally 100% meaningless. It's a bogus header value only
meaningful for uncompressed avi files. I have no idea why files
compressed with snow show 24 in the header, but it doesn't mean
anything.

Rich