(cherry picked from commit be3c7a5f)

(cherry picked from commit cf34ca7b)

(cherry picked from commit 96fca586)

Do not allocate ridiculous amount of datas.
Signed-off-by: Jean-Paul Saman <jpsaman@videolan.org>
(cherry picked from commit ab4e8a39)

Update contrib to a newer faad2 version, which is used in 0.9.0 (fixes various problems with older libfaad library).

(manually backported from 39237808)

(cherry picked from commit d6271bf0)

Some MP4-knowledgeable dev (fenrir?) really should check that this is
not too restrictive a check.

reported by Drew Yao
(cherry picked from commit 897a57e0e95f393e81f3ae6def526bf002f766df)

This only affects people still not building from subdir.

Thanks to Alin Rad Pop, Secunia Research.
Ported from libxine.