spudec: fix potential buffer underflow

5631d280 · Rémi Denis-Courmont · fed414c4 · 5631d280
Commit 5631d280 authored Apr 13, 2014 by Rémi Denis-Courmont
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Showing with 7 additions and 4 deletions

modules/codec/spudec/parse.c modules/codec/spudec/parse.c +7 -4

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--- a/modules/codec/spudec/parse.c
+++ b/modules/codec/spudec/parse.c
@@ -623,10 +623,13 @@ static int ParseRLE( decoder_t *p_dec,
        int i, i_inner = -1, i_shade = -1;

        /* Set the border color */
+        if( i_border != -1 )
+        {
            p_spu_data->pi_yuv[i_border][0] = 0x00;
            p_spu_data->pi_yuv[i_border][1] = 0x80;
            p_spu_data->pi_yuv[i_border][2] = 0x80;
            stats[i_border] = 0;
+        }

        /* Find the inner colors */
        for( i = 0 ; i < 4 && i_inner == -1 ; i++ )