[FFmpeg-cvslog] sonicenc: fix off by 1 error

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed Jun 19 10:06:38 2013 +0200| [ddefb80c95d88e88aeb7bc938d58c0389bb83b78] | committer: Michael Niedermayer

sonicenc: fix off by 1 error

Fixes out of array accesses

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ddefb80c95d88e88aeb7bc938d58c0389bb83b78
---

 libavcodec/sonic.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/sonic.c b/libavcodec/sonic.c
index 512e89e..cb7309c 100644
--- a/libavcodec/sonic.c
+++ b/libavcodec/sonic.c
@@ -430,7 +430,7 @@ static void modified_levinson_durbin(int *window, int window_entries,
         int *x_ptr = &(window[step]);
         int *state_ptr = &(state[0]);
         j = window_entries - step;
-        for (;j>=0;j--,x_ptr++,state_ptr++)
+        for (;j>0;j--,x_ptr++,state_ptr++)
         {
             double x_value = *x_ptr;
             double state_value = *state_ptr;
@@ -465,7 +465,7 @@ static void modified_levinson_durbin(int *window, int window_entries,
         x_ptr = &(window[step]);
         state_ptr = &(state[0]);
         j = window_entries - step;
-        for (;j>=0;j--,x_ptr++,state_ptr++)
+        for (;j>0;j--,x_ptr++,state_ptr++)
         {
             int x_value = *x_ptr;
             int state_value = *state_ptr;