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lfo: set a sensible lower boundary for the frequency

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Use DBL_MIN, which is a the smalles double greater than zero that is not in
denormal format. This exposes the limit better than the runtime check.
This commit is contained in:
Stefan Sauer 2013-03-07 09:12:59 +01:00
parent 6f1ac78a4e
commit e642896565
1 changed files with 4 additions and 3 deletions
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7
libs/gst/controller/gstlfocontrolsource.c
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@ -35,6 +35,8 @@
* All functions are MT-safe.
*/
#include <float.h>
#include <glib-object.h>
#include <gst/gst.h>
#include <gst/gstcontrolsource.h>
@ -486,8 +488,7 @@ gst_lfo_control_source_set_property (GObject * object, guint prop_id,
case PROP_FREQUENCY:{
gdouble frequency = g_value_get_double (value);
g_return_if_fail (frequency > 0
|| ((GstClockTime) (GST_SECOND / frequency)) != 0);
g_return_if_fail (((GstClockTime) (GST_SECOND / frequency)) != 0);
g_mutex_lock (&self->lock);
self->priv->frequency = frequency;
@ -574,7 +575,7 @@ gst_lfo_control_source_class_init (GstLFOControlSourceClass * klass)
*/
g_object_class_install_property (gobject_class, PROP_FREQUENCY,
g_param_spec_double ("frequency", "Frequency",
"Frequency of the waveform", 0.0, G_MAXDOUBLE, 1.0,
"Frequency of the waveform", DBL_MIN, G_MAXDOUBLE, 1.0,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
/**