swresample: fix negative rematrix volumns

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago · 7ac12599fe
parent e2b718464e
commit 7ac12599fe
1 changed files with 1 additions and 1 deletions
--- a/libswresample/rematrix.c
+++ b/libswresample/rematrix.c
@ -313,7 +313,7 @@ av_cold static int auto_matrix(SwrContext *s)
    } else
        maxval = INT_MAX;

-    if(maxcoef > maxval){
+    if(maxcoef > maxval || s->rematrix_volume  < 0){
        maxcoef /= maxval;
        for(i=0; i<SWR_CH_MAX; i++)
            for(j=0; j<SWR_CH_MAX; j++){