video: API: Add gst_video_format_is_gray() to the docs

diff --git a/docs/libs/gst-plugins-base-libs-sections.txt b/docs/libs/gst-plugins-base-libs-sections.txt
index ce30917..5b00077 100644 (file)
--- a/docs/libs/gst-plugins-base-libs-sections.txt
+++ b/docs/libs/gst-plugins-base-libs-sections.txt
@@ -1844,6 +1844,7 @@ gst_video_format_get_row_stride
 gst_video_format_get_size
 gst_video_format_has_alpha
 gst_video_format_is_rgb
+gst_video_format_is_gray
 gst_video_format_is_yuv
 gst_video_format_to_fourcc
 gst_video_format_from_fourcc