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authorClément Bœsch <u@pkh.me>2014-12-24 15:11:44 +0100
committerClément Bœsch <u@pkh.me>2014-12-24 15:13:31 +0100
commitecafde6606a51c285ed7ca4d27697392b493919e (patch)
treed7ec65658c68588b1c6a34d6dbee78edb5715771
parentf6950a077cd4a274f3c3432fdcbea6692c14a4aa (diff)
downloadffmpeg-ecafde6606a51c285ed7ca4d27697392b493919e.tar.gz
avfilter/showwaves: fix height range for cline mode
-rw-r--r--libavfilter/avf_showwaves.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/avf_showwaves.c b/libavfilter/avf_showwaves.c
index 97d0dbd232..cffa883003 100644
--- a/libavfilter/avf_showwaves.c
+++ b/libavfilter/avf_showwaves.c
@@ -222,7 +222,7 @@ static void draw_sample_cline(uint8_t *buf, int height, int linesize,
int16_t sample, int16_t *prev_y, int intensity)
{
int k;
- const int h = av_rescale(abs(sample), height, UINT16_MAX);
+ const int h = av_rescale(abs(sample), height, INT16_MAX);
const int start = (height - h) / 2;
const int end = start + h;
for (k = start; k < end; k++)