avcodec/lpc: Use a function pointer from an initialized context
authorMichael Niedermayer <michaelni@gmx.at>
Sun, 30 Jun 2013 10:34:50 +0000 (12:34 +0200)
committerMichael Niedermayer <michaelni@gmx.at>
Sun, 30 Jun 2013 10:40:16 +0000 (12:40 +0200)
Fixes null pointer dereference

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

index 4f1ccce..657a66d 100644 (file)
@@ -225,7 +225,7 @@ int ff_lpc_calc_coefs(LPCContext *s,
 
                 if(pass){
                     double eval, inv, rinv;
-                    eval= m[(pass-1)&1].evaluate_lls(&m[(pass-1)&1], var+1, max_order-1);
+                    eval= m[pass&1].evaluate_lls(&m[(pass-1)&1], var+1, max_order-1);
                     eval= (512>>pass) + fabs(eval - var[0]);
                     inv = 1/eval;
                     rinv = sqrt(inv);