va: postproc: mention the possibility of color balance

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2050>
2021-03-02 12:46:24 +01:00 · 2021-03-02 12:46:24 +01:00 · f823124a39
commit f823124a39
parent b61b3d833d
1 changed files with 4 additions and 0 deletions
--- a/sys/va/gstvavpp.c
+++ b/sys/va/gstvavpp.c
@ -39,6 +39,10 @@
 * gst-launch-1.0 videotestsrc ! "video/x-raw,format=(string)NV12" ! vapostproc ! autovideosink
 * ```
 *
+ * If the VA driver support color balance filter, with controls such
+ * as hue, brightness, contrast, etc., those controls are exposed both
+ * as element properties and through the #GstColorBalance interface.
+ *
 * Since: 1.20
 *
 */