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alpha: Protect property values from changes during frame processing

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This commit is contained in:
Sebastian Dröge 2010-03-16 21:10:08 +01:00
parent bc873f7133
commit 9e4ebba45e
1 changed files with 4 additions and 0 deletions
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4
gst/alpha/gstalpha.c
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@ -217,6 +217,7 @@ gst_alpha_set_property (GObject * object, guint prop_id,
{
GstAlpha *alpha = GST_ALPHA (object);
GST_OBJECT_LOCK (alpha);
switch (prop_id) {
case PROP_METHOD:
alpha->method = g_value_get_enum (value);
@ -269,6 +270,7 @@ gst_alpha_set_property (GObject * object, guint prop_id,
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (alpha);
}
static void
@ -798,6 +800,7 @@ gst_alpha_transform (GstBaseTransform * btrans, GstBuffer * in, GstBuffer * out)
if (GST_CLOCK_TIME_IS_VALID (timestamp))
gst_object_sync_values (G_OBJECT (alpha), timestamp);
GST_OBJECT_LOCK (alpha);
switch (alpha->method) {
case ALPHA_METHOD_SET:
if (alpha->ayuv) {
@ -822,6 +825,7 @@ gst_alpha_transform (GstBaseTransform * btrans, GstBuffer * in, GstBuffer * out)
default:
break;
}
GST_OBJECT_UNLOCK (alpha);
return GST_FLOW_OK;
}