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author | wm4 <wm4@nowhere> | 2014-03-14 22:34:42 +0100 |
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committer | wm4 <wm4@nowhere> | 2014-03-14 22:37:46 +0100 |
commit | dc0f2308d13e107802111eb843996972e53766ad (patch) | |
tree | 6313c60b50e95381b166487e58f6b1af427e2dab /audio/filter | |
parent | b72ba3f7440c7c8ac811079303e69287f03ddd90 (diff) | |
download | mpv-dc0f2308d13e107802111eb843996972e53766ad.tar.bz2 mpv-dc0f2308d13e107802111eb843996972e53766ad.tar.xz |
af_volume: add detach option
Maybe this should be default. On the other hand, this filter does
something even if the volume is neutral: it clips samples against the
allowed range, should the decoder or a previous filter output garbage.
Diffstat (limited to 'audio/filter')
-rw-r--r-- | audio/filter/af_volume.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/audio/filter/af_volume.c b/audio/filter/af_volume.c index 4abbded822..31f9653e6f 100644 --- a/audio/filter/af_volume.c +++ b/audio/filter/af_volume.c @@ -39,6 +39,7 @@ struct priv { int rgain_clip; // Enable/disable clipping prevention int soft; // Enable/disable soft clipping int fast; // Use fix-point volume control + int detach; // Detach if gain volume is neutral float cfg_volume; }; @@ -136,6 +137,8 @@ static int control(struct af_instance *af, int cmd, void *arg) s->rgain = MPMIN(s->rgain, 1.0 / peak); } } + if (s->detach && fabs(s->level + s->rgain - 1.0) < 0.00001) + return AF_DETACH; return af_test_output(af, in); } case AF_CONTROL_SET_VOLUME: @@ -209,6 +212,7 @@ struct af_info af_info_volume = { OPT_FLAG("replaygain-clip", rgain_clip, 0), OPT_FLAG("softclip", soft, 0), OPT_FLAG("s16", fast, 0), + OPT_FLAG("detach", detach, 0), {0} }, }; |