Signed-off-by: Ganesh Ajjanagadde <[email protected]>
---
libavfilter/vf_chromakey.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/vf_chromakey.c b/libavfilter/vf_chromakey.c
index 3309748..06988d6 100644
--- a/libavfilter/vf_chromakey.c
+++ b/libavfilter/vf_chromakey.c
@@ -49,7 +49,7 @@ static uint8_t do_chromakey_pixel(ChromakeyContext *ctx,
uint8_t u[9], uint8_t v
du = (int)u[i] - ctx->chromakey_uv[0];
dv = (int)v[i] - ctx->chromakey_uv[1];
- diff += sqrt((du * du + dv * dv) / (255.0 * 255.0));
+ diff += hypot(du, dv) / 255.0;
}
diff /= 9.0;
--
2.6.2
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