diff options
Diffstat (limited to 'audio/filter/af_volume.c')
-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} }, }; |