swresample: fix negative rematrix volumns

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

swresample: fix negative rematrix volumns
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
7ac12599 · Michael Niedermayer · e2b71846 · 7ac12599
Commit 7ac12599 authored Jul 22, 2013 by Michael Niedermayer
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rematrix.c libswresample/rematrix.c +1 -1

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--- 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++){