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-rw-r--r--libavcodec/mpegvideo_enc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 8e565c12a7..a6af8bda24 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -148,7 +148,7 @@ void ff_convert_matrix(MpegEncContext *s, int (*qmat)[64],
qmat16[qscale][0][i] == 128 * 256)
qmat16[qscale][0][i] = 128 * 256 - 1;
qmat16[qscale][1][i] =
- ROUNDED_DIV(bias << (16 - QUANT_BIAS_SHIFT),
+ ROUNDED_DIV(bias * (1<<(16 - QUANT_BIAS_SHIFT)),
qmat16[qscale][0][i]);
}
}