From: Yigithan Yigit <yigithanyigitdevel@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Cc: thilo.borgmann@mail.de, yigithanyigitdevel@gmail.com
Subject: [FFmpeg-devel] [PATCH v3 5/5] Replace division with ldexp
Date: Tue, 2 Jul 2024 04:33:54 +0300
Message-ID: <20240702013354.14942-6-yigithanyigitdevel@gmail.com> (raw)
In-Reply-To: <20240702013354.14942-1-yigithanyigitdevel@gmail.com>
---
libavfilter/af_volumedetect.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/af_volumedetect.c b/libavfilter/af_volumedetect.c
index a53212015d..856d5a295d 100644
--- a/libavfilter/af_volumedetect.c
+++ b/libavfilter/af_volumedetect.c
@@ -49,7 +49,7 @@ static inline double logdb(double v, enum AVSampleFormat sample_fmt)
return MAX_DB_FLT;
return -log10(v) * 10;
} else {
- double d = v / (double)(0x8000 * 0x8000);
+ double d = ldexp(v, -30);
if (!v)
return MAX_DB;
return -log10(d) * 10;
--
2.45.2
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prev parent reply other threads:[~2024-07-02 1:34 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-02 1:33 [FFmpeg-devel] [PATCH v3 0/5] avfilter/af_volumedetect.c: Add 32bit float audio Yigithan Yigit
2024-07-02 1:33 ` [FFmpeg-devel] [PATCH v3 1/5] avfilter/af_volumedetect.c: Move logdb function Yigithan Yigit
2024-07-02 1:33 ` [FFmpeg-devel] [PATCH v3 2/5] avfilter/af_volumedetect.c: Add 32bit float audio support Yigithan Yigit
2024-07-02 5:46 ` Rémi Denis-Courmont
2024-07-02 5:49 ` Rémi Denis-Courmont
2024-07-02 5:51 ` Rémi Denis-Courmont
2024-07-02 11:46 ` Yigithan Yigit
2024-07-02 1:33 ` [FFmpeg-devel] [PATCH v3 3/5] avfilter/af_volumedetect.c: Added functions for int/float and planar/packed Yigithan Yigit
2024-07-02 7:50 ` Anton Khirnov
2024-07-02 1:33 ` [FFmpeg-devel] [PATCH v3 4/5] avfilter/af_volumedetect.c: reindent after last commit Yigithan Yigit
2024-07-02 1:33 ` Yigithan Yigit [this message]
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