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Code Issues Releases Activity

sonicenc: fix off by 1 error

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Fixes out of array accesses

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-06-19 10:06:38 +02:00
parent 694c2d1ab3
commit ddefb80c95
1 changed files with 2 additions and 2 deletions
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4
libavcodec/sonic.c
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@ -430,7 +430,7 @@ static void modified_levinson_durbin(int *window, int window_entries,
int *x_ptr = &(window[step]); int *x_ptr = &(window[step]);
int *state_ptr = &(state[0]); int *state_ptr = &(state[0]);
j = window_entries - step; 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 x_value = *x_ptr;
double state_value = *state_ptr; double state_value = *state_ptr;
@ -465,7 +465,7 @@ static void modified_levinson_durbin(int *window, int window_entries,
x_ptr = &(window[step]); x_ptr = &(window[step]);
state_ptr = &(state[0]); state_ptr = &(state[0]);
j = window_entries - step; 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 x_value = *x_ptr;
int state_value = *state_ptr; int state_value = *state_ptr;