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smptealpha: Correctly detect property changes and update properties

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This commit is contained in:
Sebastian Dröge 2010-04-15 22:27:57 +02:00
parent 754007b344
commit e17954aa6b
1 changed files with 27 additions and 12 deletions
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39
gst/smpte/gstsmptealpha.c
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@ -253,6 +253,16 @@ gst_smpte_alpha_update_mask (GstSMPTEAlpha * smpte, gint type, gint depth,
return TRUE;
}
smpte->type = type;
smpte->depth = depth;
smpte->width = width;
smpte->height = height;
/* Not negotiated yet */
if (width == 0 || height == 0) {
return TRUE;
}
newmask = gst_mask_factory_new (type, depth, width, height);
if (!newmask)
goto mask_failed;
@ -261,10 +271,6 @@ gst_smpte_alpha_update_mask (GstSMPTEAlpha * smpte, gint type, gint depth,
gst_mask_destroy (smpte->mask);
smpte->mask = newmask;
smpte->type = type;
smpte->depth = depth;
smpte->width = width;
smpte->height = height;
return TRUE;
@ -376,6 +382,7 @@ gst_smpte_alpha_init (GstSMPTEAlpha * smpte)
smpte->type = DEFAULT_PROP_TYPE;
smpte->border = DEFAULT_PROP_BORDER;
smpte->depth = DEFAULT_PROP_DEPTH;
smpte->position = DEFAULT_PROP_POSITION;
}
static void
@ -557,33 +564,41 @@ gst_smpte_alpha_set_property (GObject * object, guint prop_id,
smpte = GST_SMPTE_ALPHA (object);
switch (prop_id) {
case PROP_TYPE:
case PROP_TYPE:{
gint type;
type = g_value_get_enum (value);
GST_BASE_TRANSFORM_LOCK (smpte);
/* also lock with the object lock so that reading the property doesn't
* have to wait for the transform lock */
GST_OBJECT_LOCK (smpte);
smpte->type = g_value_get_enum (value);
GST_OBJECT_UNLOCK (smpte);
gst_smpte_alpha_update_mask (smpte, smpte->type, smpte->depth,
smpte->width, smpte->height);
gst_smpte_alpha_update_mask (smpte, type,
smpte->depth, smpte->width, smpte->height);
GST_BASE_TRANSFORM_UNLOCK (smpte);
break;
}
case PROP_BORDER:
GST_OBJECT_LOCK (smpte);
smpte->border = g_value_get_int (value);
GST_OBJECT_UNLOCK (smpte);
break;
case PROP_DEPTH:
case PROP_DEPTH:{
gint depth;
depth = g_value_get_int (value);
GST_BASE_TRANSFORM_LOCK (smpte);
/* also lock with the object lock so that reading the property doesn't
* have to wait for the transform lock */
GST_OBJECT_LOCK (smpte);
smpte->depth = g_value_get_int (value);
GST_OBJECT_UNLOCK (smpte);
gst_smpte_alpha_update_mask (smpte, smpte->type, smpte->depth,
smpte->width, smpte->height);
gst_smpte_alpha_update_mask (smpte, smpte->type,
depth, smpte->width, smpte->height);
GST_BASE_TRANSFORM_UNLOCK (smpte);
break;
}
case PROP_POSITION:
GST_OBJECT_LOCK (smpte);
smpte->position = g_value_get_double (value);