[FFmpeg-devel] [PATCH 09/12] lavfi/af_dynaudnorm: replace round by lrint

Ganesh Ajjanagadde gajjanagadde at gmail.com
Sat Dec 19 06:45:35 CET 2015


lrint is at least as fast, and is more accurate.

Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>
---
 libavfilter/af_dynaudnorm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/af_dynaudnorm.c b/libavfilter/af_dynaudnorm.c
index 5f412f5..6401595 100644
--- a/libavfilter/af_dynaudnorm.c
+++ b/libavfilter/af_dynaudnorm.c
@@ -135,7 +135,7 @@ static int query_formats(AVFilterContext *ctx)
 
 static inline int frame_size(int sample_rate, int frame_len_msec)
 {
-    const int frame_size = round((double)sample_rate * (frame_len_msec / 1000.0));
+    const int frame_size = lrint((double)sample_rate * (frame_len_msec / 1000.0));
     return frame_size + (frame_size % 2);
 }
 
-- 
2.6.4



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