vorbisdec: reject channel mapping with less than two channels
authorAndreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Sun, 3 Jan 2016 18:20:54 +0000 (19:20 +0100)
committerAndreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Sun, 3 Jan 2016 22:44:47 +0000 (23:44 +0100)
commitb4b13848dec5420fa5dd9e1a7d4dfae5de1932d5
tree2624bdef91dcaa8d02636efcd81f5938615d7516
parent0a451082c774540f8d47642d2078fcf2c822ebc1
vorbisdec: reject channel mapping with less than two channels

It causes the angle channel number to equal the magnitude channel
number, which makes the stream undecodable according to the
specification.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
libavcodec/vorbisdec.c