libs: filter: gst_vaapi_filter_get_memory_types()

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/-/merge_requests/122>

2 files changed, 21 insertions, 0 deletions

diff --git a/gst-libs/gst/vaapi/gstvaapifilter.c b/gst-libs/gst/vaapi/gstvaapifilter.c
index a6e69da7..9af76831 100644
--- a/gst-libs/gst/vaapi/gstvaapifilter.c
+++ b/gst-libs/gst/vaapi/gstvaapifilter.c
@@ -1948,6 +1948,24 @@ gst_vaapi_filter_append_caps (GstVaapiFilter * filter, GstStructure * structure)
 }
 
 /**
+ * gst_vaapi_filter_get_memory_types:
+ * @filter: a #GstVaapiFilter
+ *
+ * Gets the surface's memory types available in @filter's context.
+ *
+ * Returns: surface's memory types available in @filter context.
+ **/
+guint
+gst_vaapi_filter_get_memory_types (GstVaapiFilter * filter)
+{
+  g_return_val_if_fail (filter != NULL, FALSE);
+
+  if (!ensure_attributes (filter))
+    return 0;
+  return filter->attribs->mem_types;
+}
+
+/**
  * gst_vaapi_filter_set_cropping_rectangle:
  * @filter: a #GstVaapiFilter
  * @rect: the cropping region
diff --git a/gst-libs/gst/vaapi/gstvaapifilter.h b/gst-libs/gst/vaapi/gstvaapifilter.h
index 27533cbe..fcc968f0 100644
--- a/gst-libs/gst/vaapi/gstvaapifilter.h
+++ b/gst-libs/gst/vaapi/gstvaapifilter.h
@@ -219,6 +219,9 @@ gst_vaapi_filter_set_format (GstVaapiFilter * filter, GstVideoFormat format);
 gboolean
 gst_vaapi_filter_append_caps (GstVaapiFilter * filter, GstStructure * structure);
 
+guint
+gst_vaapi_filter_get_memory_types (GstVaapiFilter * filter);
+
 gboolean
 gst_vaapi_filter_set_cropping_rectangle (GstVaapiFilter * filter,
     const GstVaapiRectangle * rect);