---
libavcodec/ac3enc.c | 4 +---
1 files changed, 1 insertions(+), 3 deletions(-)
diff --git libavcodec/ac3enc.c libavcodec/ac3enc.c
index e1af91d..f574246 100644
--- libavcodec/ac3enc.c
+++ libavcodec/ac3enc.c
@@ -1187,9 +1187,7 @@ static int AC3_encode_frame(AVCodecContext *avctx,
}
/* Normalize the samples to use the maximum available precision */
- v = 14 - log2_tab(input_samples, AC3_BLOCK_SIZE*2);
- if (v < 0)
- v = 0;
+ v = FFMAX(0, 14 - log2_tab(input_samples, AC3_BLOCK_SIZE*2));
exp_samples[i][ch] = v - 9;
lshift_tab(input_samples, AC3_BLOCK_SIZE*2, v);
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