base: Fix some annotations

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1281>

diff --git a/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglutils.c b/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglutils.c
index 5e4f92e..9240f03 100644 (file)
--- a/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglutils.c
+++ b/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglutils.c
@@ -814,7 +814,7 @@ static const gfloat to_ndc_matrix[] = {
  * gst_gl_multiply_matrix4:
  * @a: (array fixed-size=16): a 2-dimensional 4x4 array of #gfloat
  * @b: (array fixed-size=16): another 2-dimensional 4x4 array of #gfloat
- * @result: (out) (array fixed-size=16): the result of the multiplication
+ * @result: (out caller-allocates) (array fixed-size=16): the result of the multiplication
  *
  * Multiplies two 4x4 matrices, @a and @b, and stores the result, a
  * 2-dimensional array of #gfloat, in @result.
@@ -847,7 +847,7 @@ gst_gl_multiply_matrix4 (const gfloat * a, const gfloat * b, gfloat * result)
 /**
  * gst_gl_get_affine_transformation_meta_as_ndc:
  * @meta: (nullable): a #GstVideoAffineTransformationMeta
- * @matrix: (out): result of the 4x4 matrix
+ * @matrix: (array fixed-size=16) (out caller-allocates): result of the 4x4 matrix
  *
  * Retrieves the stored 4x4 affine transformation matrix stored in @meta in
  * NDC coordinates. if @meta is NULL, an identity matrix is returned.
@@ -883,7 +883,7 @@ gst_gl_get_affine_transformation_meta_as_ndc (GstVideoAffineTransformationMeta *
 /**
  * gst_gl_set_affine_transformation_meta_from_ndc:
  * @meta: a #GstVideoAffineTransformationMeta
- * @matrix: a 4x4 matrix
+ * @matrix: (array fixed-size=16): a 4x4 matrix
  *
  * Set the 4x4 affine transformation matrix stored in @meta from the
  * NDC coordinates in @matrix.

diff --git a/subprojects/gst-plugins-base/gst-libs/gst/video/video.c b/subprojects/gst-plugins-base/gst-libs/gst/video/video.c
index 4e20baa..5fd2050 100644 (file)
--- a/subprojects/gst-plugins-base/gst-libs/gst/video/video.c
+++ b/subprojects/gst-plugins-base/gst-libs/gst/video/video.c
@@ -241,7 +241,7 @@ gst_video_orientation_method_get_type (void)
 /**
  * gst_video_orientation_from_tag:
  * @taglist: A #GstTagList
- * @method: The location where to return the orientation.
+ * @method: (out): The location where to return the orientation.
  *
  * Parses the "image-orientation" tag and transforms it into the
  * #GstVideoOrientationMethod enum.