[Mplayer-cvslog] CVS: main/DOCS/tech mpcf.txt,1.9,1.10

[Michael Niedermayer]

Hi

On Friday 07 February 2003 22:45, Fabian Franz wrote:
[...]
> > -	fourcc					v
> > +	fourcc					b
> >  	average_bitrate				v
> >  	language_code				v
>
> shouldn't this (language_code) be also b to be human-readable ...
yes yes ...

>
> btw. there is a fivecc possible, how its now (e.g. fourcc-len = 5) ...
>
> Is that wanted ?
iam not sure ;) its more extendible that way at least

>
> And if not isn't that a BIG waste of space ?
>
> b-type has doubled the space for this value ... (4 bytes for v + 4 bytes
> for characters)
no, v allso needs 5 for most fourccs, it only stores 7 bits per byte, the 8th 
is needed to know where the end is, so only if the most significant 4 bits 
are 0 will it fit in 4 bytes

[...]

Michael