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| author | Paul B Mahol <onemda@gmail.com> | 2017-05-20 12:34:51 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2017-05-20 12:43:11 +0200 |
| commit | e8ae23db27bd308b299c00f2a10e1243cdb08103 (patch) | |
| tree | 79ebb354b638e83c40cd8d350e117014dae36893 | |
| parent | 64ea4d102a070b95832ae4a751688f87da7760a2 (diff) | |
| download | ffmpeg-e8ae23db27bd308b299c00f2a10e1243cdb08103.tar.gz | |
avfilter/af_sidechaincompress: change default makeup gain to 1
This avoids producing out of range or clipped samples.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
| -rw-r--r-- | doc/filters.texi | 8 | ||||
| -rw-r--r-- | libavfilter/af_sidechaincompress.c | 2 |
2 files changed, 5 insertions, 5 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index e29c4d940f..a0ab2fb0c7 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -357,8 +357,8 @@ The filter accepts the following options: Set input gain. Default is 1. Range is between 0.015625 and 64. @item threshold -If a signal of second stream rises above this level it will affect the gain -reduction of the first stream. +If a signal of stream rises above this level it will affect the gain +reduction. By default it is 0.125. Range is between 0.00097563 and 1. @item ratio @@ -376,7 +376,7 @@ reduction is decreased again. Default is 250. Range is between 0.01 and 9000. @item makeup Set the amount by how much signal will be amplified after processing. -Default is 2. Range is from 1 and 64. +Default is 1. Range is from 1 to 64. @item knee Curve the sharp knee around the threshold to enter gain reduction more softly. @@ -3340,7 +3340,7 @@ reduction is decreased again. Default is 250. Range is between 0.01 and 9000. @item makeup Set the amount by how much signal will be amplified after processing. -Default is 2. Range is from 1 and 64. +Default is 1. Range is from 1 to 64. @item knee Curve the sharp knee around the threshold to enter gain reduction more softly. diff --git a/libavfilter/af_sidechaincompress.c b/libavfilter/af_sidechaincompress.c index 3f540e2dff..d1dfc106e2 100644 --- a/libavfilter/af_sidechaincompress.c +++ b/libavfilter/af_sidechaincompress.c @@ -72,7 +72,7 @@ static const AVOption options[] = { { "ratio", "set ratio", OFFSET(ratio), AV_OPT_TYPE_DOUBLE, {.dbl=2}, 1, 20, A|F }, { "attack", "set attack", OFFSET(attack), AV_OPT_TYPE_DOUBLE, {.dbl=20}, 0.01, 2000, A|F }, { "release", "set release", OFFSET(release), AV_OPT_TYPE_DOUBLE, {.dbl=250}, 0.01, 9000, A|F }, - { "makeup", "set make up gain", OFFSET(makeup), AV_OPT_TYPE_DOUBLE, {.dbl=2}, 1, 64, A|F }, + { "makeup", "set make up gain", OFFSET(makeup), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 1, 64, A|F }, { "knee", "set knee", OFFSET(knee), AV_OPT_TYPE_DOUBLE, {.dbl=2.82843}, 1, 8, A|F }, { "link", "set link type", OFFSET(link), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, A|F, "link" }, { "average", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, A|F, "link" }, |