escape130: make sure cliping is done on signed values.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago · 8ff3d1ccec
parent 4f79c7dd08
commit 8ff3d1ccec
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/escape130.c
+++ b/libavcodec/escape130.c
@ -225,7 +225,7 @@ static int escape130_decode_frame(AVCodecContext *avctx,
                      {-1, 1, -1, -1},
                      {1, -1, -1, -1} };
                for (i = 0; i < 4; i++) {
-                    y[i] = av_clip(y_base + offset_table[difference_selector] *
+                    y[i] = av_clip((int)y_base + offset_table[difference_selector] *
                                            sign_table[sign_selector][i], 0, 63);
                }
            } else if (get_bits1(&gb)) {