static void
gst_caps_setter_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstCapsSetter *filter;
g_return_if_fail (GST_IS_CAPS_SETTER (object));
filter = GST_CAPS_SETTER (object);
switch (prop_id) {
case PROP_CAPS:{
GstCaps *new_caps;
const GstCaps *new_caps_val = gst_value_get_caps (value);
gint i;
if (new_caps_val == NULL) {
new_caps = gst_caps_new_any ();
} else {
new_caps = gst_caps_copy (new_caps_val);
}
for (i = 0; new_caps && (i < gst_caps_get_size (new_caps)); ++i) {
GstStructure *s;
s = gst_caps_get_structure (new_caps, i);
if (!gst_structure_foreach (s, gst_caps_is_fixed_foreach, NULL)) {
GST_ERROR_OBJECT (filter, "rejected unfixed caps: %" GST_PTR_FORMAT,
new_caps);
gst_caps_unref (new_caps);
new_caps = NULL;
break;
}
}
if (new_caps) {
GST_OBJECT_LOCK (filter);
gst_caps_replace (&filter->caps, new_caps);
/* drop extra ref */
gst_caps_unref (new_caps);
GST_OBJECT_UNLOCK (filter);
GST_DEBUG_OBJECT (filter, "set new caps %" GST_PTR_FORMAT, new_caps);
}
/* try to activate these new caps next time around */
gst_base_transform_reconfigure (GST_BASE_TRANSFORM (filter));
break;
}
case PROP_JOIN:
filter->join = g_value_get_boolean (value);
break;
case PROP_REPLACE:
filter->replace = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_caps_setter_finalize (GObject * object)
{
GstCapsSetter *filter = GST_CAPS_SETTER (object);
gst_caps_replace (&filter->caps, NULL);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static GstCaps *
gst_caps_setter_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps)
{
GstCapsSetter *filter;
GstCaps *ret, *filter_caps;
GstStructure *structure, *merge;
const gchar *name;
gint i, j;
filter = GST_CAPS_SETTER (trans);
GST_DEBUG_OBJECT (trans, "receiving caps: %" GST_PTR_FORMAT, caps);
ret = gst_caps_copy (caps);
/* this function is always called with a simple caps */
if (!GST_CAPS_IS_SIMPLE (ret) || direction != GST_PAD_SINK)
return ret;
structure = gst_caps_get_structure (ret, 0);
name = gst_structure_get_name (structure);
GST_OBJECT_LOCK (filter);
filter_caps = gst_caps_ref (filter->caps);
GST_OBJECT_UNLOCK (filter);
for (i = 0; i < gst_caps_get_size (filter_caps); ++i) {
merge = gst_caps_get_structure (filter_caps, i);
if (gst_structure_has_name (merge, name) || !filter->join) {
if (!filter->join)
gst_structure_set_name (structure, gst_structure_get_name (merge));
if (filter->replace)
gst_structure_remove_all_fields (structure);
for (j = 0; j < gst_structure_n_fields (merge); ++j) {
const gchar *fname;
fname = gst_structure_nth_field_name (merge, j);
gst_structure_set_value (structure, fname,
gst_structure_get_value (merge, fname));
}
}
}
GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, ret);
gst_caps_unref (filter_caps);
return ret;
}
static void
gst_caps_setter_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstCapsSetter *filter = GST_CAPS_SETTER (object);
switch (prop_id) {
case PROP_CAPS:
gst_value_set_caps (value, filter->caps);
break;
case PROP_JOIN:
g_value_set_boolean (value, filter->join);
break;
case PROP_REPLACE:
g_value_set_boolean (value, filter->replace);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}