[mutter] screen-cast-stream-src: Add getter for stride

[Jonas Ådahl <jadahl src gnome org>]

commit e849667be6be0c9d1727f3a93e4fa4425b84cc9f
Author: Jonas Ådahl <jadahl gmail com>
Date:   Mon Apr 20 22:28:05 2020 +0200

    screen-cast-stream-src: Add getter for stride
    
    https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1207

 src/backends/meta-screen-cast-stream-src.c | 9 +++++++++
 src/backends/meta-screen-cast-stream-src.h | 2 ++
 2 files changed, 11 insertions(+)
---
diff --git a/src/backends/meta-screen-cast-stream-src.c b/src/backends/meta-screen-cast-stream-src.c
index 4f3d821ef..e63f5ddbb 100644
--- a/src/backends/meta-screen-cast-stream-src.c
+++ b/src/backends/meta-screen-cast-stream-src.c
@@ -956,6 +956,15 @@ meta_screen_cast_stream_src_init_initable_iface (GInitableIface *iface)
   iface->init = meta_screen_cast_stream_src_initable_init;
 }
 
+int
+meta_screen_cast_stream_src_get_stride (MetaScreenCastStreamSrc *src)
+{
+  MetaScreenCastStreamSrcPrivate *priv =
+    meta_screen_cast_stream_src_get_instance_private (src);
+
+  return priv->video_stride;
+}
+
 MetaScreenCastStream *
 meta_screen_cast_stream_src_get_stream (MetaScreenCastStreamSrc *src)
 {
diff --git a/src/backends/meta-screen-cast-stream-src.h b/src/backends/meta-screen-cast-stream-src.h
index 3f6a1af2b..7e81ac48a 100644
--- a/src/backends/meta-screen-cast-stream-src.h
+++ b/src/backends/meta-screen-cast-stream-src.h
@@ -65,6 +65,8 @@ struct _MetaScreenCastStreamSrcClass
 
 void meta_screen_cast_stream_src_maybe_record_frame (MetaScreenCastStreamSrc *src);
 
+int meta_screen_cast_stream_src_get_stride (MetaScreenCastStreamSrc *src);
+
 MetaScreenCastStream * meta_screen_cast_stream_src_get_stream (MetaScreenCastStreamSrc *src);
 
 gboolean meta_screen_cast_stream_src_draw_cursor_into (MetaScreenCastStreamSrc  *src,