avoids float to int cast, and is slightly superior in terms of rounding
("Dutch/Gauss rounding").
Signed-off-by: Ganesh Ajjanagadde <gajjanaga...@gmail.com>
---
libavcodec/snowenc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavcodec/snowenc.c b/libavcodec/snowenc.c
index 90b6439..26a8383 100644
--- a/libavcodec/snowenc.c
+++ b/libavcodec/snowenc.c
@@ -19,6 +19,7 @@
*/
#include "libavutil/intmath.h"
+#include "libavutil/libm.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "avcodec.h"
@@ -1470,7 +1471,7 @@ static void update_last_header_values(SnowContext *s){
}
static int qscale2qlog(int qscale){
- return rint(QROOT*log2(qscale / (float)FF_QP2LAMBDA))
+ return lrint(QROOT*log2(qscale / (float)FF_QP2LAMBDA))
+ 61*QROOT/8; ///< 64 > 60
}
--
2.6.4
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