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equalizer: fix dynamic changes on bands

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When we are in passthrough, the transform function doesn't run and if the
passthrough check is in this function it will never be deactivated. Fix this by
checking directly whenever a gain is changed.

Also set the passthrough to TRUE at init because the gains default to 0, so we
can passthrough until any gain property is changed.

https://bugzilla.gnome.org/show_bug.cgi?id=748068
This commit is contained in:
Luis de Bethencourt 2015-04-21 16:34:21 +01:00
parent 476f9957e8
commit c884a3b3a5
1 changed files with 4 additions and 2 deletions
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6
gst/equalizer/gstiirequalizer.c
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@ -49,6 +49,7 @@ static gboolean gst_iir_equalizer_setup (GstAudioFilter * filter,
const GstAudioInfo * info);
static GstFlowReturn gst_iir_equalizer_transform_ip (GstBaseTransform * btrans,
GstBuffer * buf);
static void set_passthrough (GstIirEqualizer * equ);
#define ALLOWED_CAPS \
"audio/x-raw," \
@ -159,6 +160,7 @@ gst_iir_equalizer_band_set_property (GObject * object, guint prop_id,
BANDS_LOCK (equ);
equ->need_new_coefficients = TRUE;
band->gain = gain;
set_passthrough (equ);
BANDS_UNLOCK (equ);
GST_DEBUG_OBJECT (band, "changed gain = %lf ", band->gain);
}
@ -373,7 +375,8 @@ static void
gst_iir_equalizer_init (GstIirEqualizer * eq)
{
g_mutex_init (&eq->bands_lock);
eq->need_new_coefficients = TRUE;
/* Band gains are 0 by default, passthrough until they are changed */
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (eq), TRUE);
}
static void
@ -852,7 +855,6 @@ gst_iir_equalizer_transform_ip (GstBaseTransform * btrans, GstBuffer * buf)
BANDS_LOCK (equ);
if (need_new_coefficients) {
update_coefficients (equ);
set_passthrough (equ);
}
BANDS_UNLOCK (equ);