[FFmpeg-cvslog] avfilter/showwaves: fix height range for cline mode
Clément Bœsch
git at videolan.org
Wed Dec 24 15:13:39 CET 2014
ffmpeg | branch: master | Clément Bœsch <u at pkh.me> | Wed Dec 24 15:11:44 2014 +0100| [ecafde6606a51c285ed7ca4d27697392b493919e] | committer: Clément Bœsch
avfilter/showwaves: fix height range for cline mode
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ecafde6606a51c285ed7ca4d27697392b493919e
---
libavfilter/avf_showwaves.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/avf_showwaves.c b/libavfilter/avf_showwaves.c
index 97d0dbd..cffa883 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++)
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