rv20: fix lowres out of array read

Fixes Ticket1239 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

rv20: fix lowres out of array read
Fixes Ticket1239 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
0766b6e3 · Michael Niedermayer · febc013d · 0766b6e3
Commit 0766b6e3 authored Jun 01, 2012 by Michael Niedermayer
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rv10.c libavcodec/rv10.c +1 -1

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--- a/libavcodec/rv10.c
+++ b/libavcodec/rv10.c
@@ -349,7 +349,7 @@ static int rv20_decode_picture_header(RVDecContext *rv)
    }

    if(RV_GET_MINOR_VER(rv->sub_id) >= 2)
-        s->loop_filter = get_bits1(&s->gb);
+        s->loop_filter = get_bits1(&s->gb) && !s->avctx->lowres;

    if(RV_GET_MINOR_VER(rv->sub_id) <= 1)
        seq = get_bits(&s->gb, 8) << 7;