[FFmpeg-cvslog] avfilter/af_compand: change default attack to 0

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Mon May 15 14:05:43 2017 +0200| [13f4d077ed27c53fffd114f92fbd7b2c9cfcec77] | committer: Paul B Mahol

avfilter/af_compand: change default attack to 0

Fixes many distortions.

Signed-off-by: Paul B Mahol <onemda at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=13f4d077ed27c53fffd114f92fbd7b2c9cfcec77
---

 libavfilter/af_compand.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/af_compand.c b/libavfilter/af_compand.c
index 8ff0ff9465..8589b1ef09 100644
--- a/libavfilter/af_compand.c
+++ b/libavfilter/af_compand.c
@@ -72,7 +72,7 @@ typedef struct CompandContext {
 #define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
 
 static const AVOption compand_options[] = {
-    { "attacks", "set time over which increase of volume is determined", OFFSET(attacks), AV_OPT_TYPE_STRING, { .str = "0.3" }, 0, 0, A },
+    { "attacks", "set time over which increase of volume is determined", OFFSET(attacks), AV_OPT_TYPE_STRING, { .str = "0" }, 0, 0, A },
     { "decays", "set time over which decrease of volume is determined", OFFSET(decays), AV_OPT_TYPE_STRING, { .str = "0.8" }, 0, 0, A },
     { "points", "set points of transfer function", OFFSET(points), AV_OPT_TYPE_STRING, { .str = "-70/-70|-60/-20|1/0" }, 0, 0, A },
     { "soft-knee", "set soft-knee", OFFSET(curve_dB), AV_OPT_TYPE_DOUBLE, { .dbl = 0.01 }, 0.01, 900, A },