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ges/gstframepositioner: don't create one compositor per frame meta

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Instead, cache the looked up operator property

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2639>
This commit is contained in:
Mathieu Duponchelle 2022-06-16 22:40:21 +02:00 committed by Tim-Philipp Müller
parent d010e1c3f4
commit 0a742a2eca
1 changed files with 24 additions and 17 deletions
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41
subprojects/gst-editing-services/ges/gstframepositioner.c
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@ -84,30 +84,37 @@ G_DEFINE_TYPE (GstFramePositioner, gst_frame_positioner,
static GType
gst_compositor_operator_get_type_and_default_value (int *default_operator_value)
{
GstElement *compositor =
gst_element_factory_create (ges_get_compositor_factory (), NULL);
static gsize _init = 0;
static int operator_value = 0;
static GType operator_gtype = G_TYPE_NONE;
GstPad *compositorPad =
gst_element_request_pad_simple (compositor, "sink_%u");
if (g_once_init_enter (&_init)) {
GstElement *compositor =
gst_element_factory_create (ges_get_compositor_factory (), NULL);
GParamSpec *pspec =
g_object_class_find_property (G_OBJECT_GET_CLASS (compositorPad),
"operator");
GType ret = 0;
GstPad *compositorPad =
gst_element_request_pad_simple (compositor, "sink_%u");
if (pspec) {
*default_operator_value =
g_value_get_enum (g_param_spec_get_default_value (pspec));
g_return_val_if_fail (pspec, G_TYPE_NONE);
GParamSpec *pspec =
g_object_class_find_property (G_OBJECT_GET_CLASS (compositorPad),
"operator");
ret = pspec->value_type;
if (pspec) {
operator_value =
g_value_get_enum (g_param_spec_get_default_value (pspec));
operator_gtype = pspec->value_type;
}
gst_element_release_request_pad (compositor, compositorPad);
gst_object_unref (compositorPad);
gst_object_unref (compositor);
g_once_init_leave (&_init, 1);
}
gst_element_release_request_pad (compositor, compositorPad);
gst_object_unref (compositorPad);
gst_object_unref (compositor);
*default_operator_value = operator_value;
return ret;
return operator_gtype;
}
static void