Really close #1227

This fixes #1578 for -bugfix. This breaks plugins from the source tree
(so we obviously need some more involved fix for master).

(cherry picked from commit 62a71b89)

Fix for [oCERT-2008-004] multiple speex implementations insufficient boundary checks. Patch by Eren Türkay
(cherry picked from commit 8060b345)

When specifying --sout-transcode-samplerate and --sout-transcode-channel, set the OUTPUT format instead of the INPUT

Fix resampling when using mp4a (faac is the only option atm)

This reverts commit 379faf5d.

Accidentally committed a moved file

Backported from 7b76e347

(cherry picked from commit 7b76e347)

Conflicts:

	src/text/charset.c

Patch by Bertrand Marquis aka bma on Launchpad (LP#104698)
Refs #986

There is no need to copy the files in that case thanks to VPATH.
That assumes you are using a source tarball then - if not, you are
screwed anywhow.
(cherry picked from commit 16402c26)

This reverts commit 70f620e7.
(cherry picked from commit 5badb86c)

Fix make distcheck

(cherry picked from commit 4f815159)

(cherry picked from commit c432ea06)