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)