alsdec: ensure channel reordering is reversible
authorAndreas Cadhalpun <andreas.cadhalpun@googlemail.com>
Sat, 18 Apr 2015 16:31:36 +0000 (18:31 +0200)
committerMichael Niedermayer <michaelni@gmx.at>
Sat, 18 Apr 2015 17:39:48 +0000 (19:39 +0200)
commit96c1421627aad9e9216e0d5d50419a880bdc34ee
treeea4602d7ac59aa28bfa8853ef2730a9c7353ae2d
parent8a59dbbc68f7de2d911fe9627681049b1d5f7b8b
alsdec: ensure channel reordering is reversible

If the same idx is used for more than one i, at least one entry in
sconf->chan_pos remains uninitialized.

This can cause segmentation faults.

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit ef16501aebed43e34a3721336e8bee732eca2877)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavcodec/alsdec.c