From 1d7022e63d0bb4863df35aa49b8e9281af2d8bf9 Mon Sep 17 00:00:00 2001
From: tilpner <git@tilpner.com>
Date: Sat, 22 Apr 2023 10:48:19 +0200
Subject: [PATCH] feat(util/frame): add method to check if a frame is writable

---
 src/util/frame/mod.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/util/frame/mod.rs b/src/util/frame/mod.rs
index 29772d4..49bf1d9 100644
--- a/src/util/frame/mod.rs
+++ b/src/util/frame/mod.rs
@@ -208,6 +208,16 @@ impl Frame {
 		}
 	}
 
+	#[inline]
+	pub fn is_writable(&mut self) -> Result<(), Error> {
+		unsafe {
+			match av_frame_is_writable(self.as_mut_ptr()) {
+				0 => Ok(()),
+				e => Err(Error::from(e)),
+			}
+		}
+	}
+
 	#[inline]
 	pub fn make_writable(&mut self) -> Result<(), Error> {
 		unsafe {