[FFmpeg-cvslog] alsdec: Fix out of ltp_gain_values read.

[Thilo Borgmann]

ffmpeg | branch: master | Thilo Borgmann <thilo.borgmann at googlemail.com> | Sun Mar 11 16:56:23 2012 +0100| [599881b028456ac362b2b1f0d2f1ddd4ed06da76] | committer: Michael Niedermayer

alsdec: Fix out of ltp_gain_values read.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=599881b028456ac362b2b1f0d2f1ddd4ed06da76
---

 libavcodec/alsdec.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavcodec/alsdec.c b/libavcodec/alsdec.c
index 0a2768a..63e58ff 100644
--- a/libavcodec/alsdec.c
+++ b/libavcodec/alsdec.c
@@ -731,7 +731,7 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
             bd->ltp_gain[0]   = decode_rice(gb, 1) << 3;
             bd->ltp_gain[1]   = decode_rice(gb, 2) << 3;
 
-            r                 = get_unary(gb, 0, 4);
+            r                 = get_unary(gb, 0, 3);
             c                 = get_bits(gb, 2);
             bd->ltp_gain[2]   = ltp_gain_values[r][c];