From febb0dfd16083010e42fc8c6089f390fb84ee488 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Tue, 11 Aug 2020 13:35:39 +0300
Subject: [PATCH] video/video_frame: Allow getting an owned buffer from
 readable video frames

In all other variations this is not possible as it would allow to
circumvent the mini object writability rules.
---
 gstreamer-video/src/video_frame.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gstreamer-video/src/video_frame.rs b/gstreamer-video/src/video_frame.rs
index f2ff4e369..16ad9ae69 100644
--- a/gstreamer-video/src/video_frame.rs
+++ b/gstreamer-video/src/video_frame.rs
@@ -10,7 +10,7 @@ use gst_sys;
 use gst_video_sys;
 
 use glib;
-use glib::translate::{from_glib, Borrowed, ToGlibPtr};
+use glib::translate::{from_glib, from_glib_none, Borrowed, ToGlibPtr};
 use gst;
 
 use std::fmt;
@@ -283,6 +283,10 @@ impl VideoFrame<Readable> {
             }
         }
     }
+
+    pub fn buffer_owned(&self) -> gst::Buffer {
+        unsafe { from_glib_none(self.frame.buffer) }
+    }
 }
 
 impl VideoFrame<Writable> {