Re: perform case-insensitive FOURCC comparison of built-in video codecs

[Dmitry Timoshkov]

<Joerg-Cyril.Hoehle(a)t-systems.com> wrote:
> +#define compare_fourcc(fcc1, fcc2) (((fcc1)^(fcc2))&~0x20202020L)

You ignore case even for mixed cased fourcc codes, but test only
2 cases: all lower/upper case codes, please test that cases too.

-- 
Dmitry.