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va: basetransform: Add device-path read-only property.

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1844>
This commit is contained in:
Víctor Manuel Jáquez Leal 2022-03-03 11:32:23 +01:00 committed by GStreamer Marge Bot
parent 47a95dfd65
commit e42d10431d
1 changed files with 37 additions and 0 deletions
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37
subprojects/gst-plugins-bad/sys/va/gstvabasetransform.c
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@ -31,6 +31,14 @@
#define GST_CAT_DEFAULT gst_va_base_transform_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
enum
{
PROP_DEVICE_PATH = 1,
N_PROPERTIES
};
static GParamSpec *properties[N_PROPERTIES];
struct _GstVaBaseTransformPrivate
{
GstVideoInfo srcpad_info;
@ -60,6 +68,26 @@ G_DEFINE_TYPE_WITH_CODE (GstVaBaseTransform, gst_va_base_transform,
extern GRecMutex GST_VA_SHARED_LOCK;
static void
gst_va_base_transform_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstVaBaseTransform *self = GST_VA_BASE_TRANSFORM (object);
switch (prop_id) {
case PROP_DEVICE_PATH:{
if (!(self->display && GST_IS_VA_DISPLAY_DRM (self->display))) {
g_value_set_string (value, NULL);
return;
}
g_object_get_property (G_OBJECT (self->display), "path", value);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
gst_va_base_transform_dispose (GObject * object)
{
@ -504,6 +532,7 @@ gst_va_base_transform_change_state (GstElement * element,
if (!gst_va_ensure_element_data (element, klass->render_device_path,
&self->display))
goto open_failed;
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_DEVICE_PATH]);
gst_clear_caps (&self->priv->filter_caps);
gst_clear_object (&self->filter);
self->filter = gst_va_filter_new (self->display);
@ -526,6 +555,7 @@ gst_va_base_transform_change_state (GstElement * element,
gst_clear_caps (&self->priv->filter_caps);
gst_clear_object (&self->filter);
gst_clear_object (&self->display);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_DEVICE_PATH]);
break;
default:
break;
@ -579,6 +609,7 @@ gst_va_base_transform_class_init (GstVaBaseTransformClass * klass)
trans_class = GST_BASE_TRANSFORM_CLASS (klass);
gobject_class->dispose = gst_va_base_transform_dispose;
gobject_class->get_property = gst_va_base_transform_get_property;
trans_class->query = GST_DEBUG_FUNCPTR (gst_va_base_transform_query);
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_va_base_transform_set_caps);
@ -596,6 +627,12 @@ gst_va_base_transform_class_init (GstVaBaseTransformClass * klass)
element_class->change_state =
GST_DEBUG_FUNCPTR (gst_va_base_transform_change_state);
properties[PROP_DEVICE_PATH] = g_param_spec_string ("device-path",
"Device Path", "DRM device path", NULL,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gobject_class, N_PROPERTIES, properties);
gst_type_mark_as_plugin_api (GST_TYPE_VA_BASE_TRANSFORM, 0);
}