remove FREE_ATT, use do { ... } while(0) for FREE_VALUE
use static const tables for xml handlers
use their size to match handlers with tags
replace {SIMPLE,COMPLEX,UNKNOWN}_CONTENT with a bool

also remove one level of indentation

Cf CVE-2011-0226

Cf CVE-2011-0226

The decoder takes care of that.

Currently, this is used to trigger resampling in the audio "input"
(i.e. filters) as before.

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

If all activated streams are EOF ones, 'i_stream' was incorrectly set
to p_sys->i_track. Then AVI_StreamChunkSet() crashes.