From 90291de572ac512648d882c76848d9ffba690cb1 Mon Sep 17 00:00:00 2001
From: meh <meh@schizofreni.co>
Date: Wed, 28 Dec 2016 20:20:18 +0100
Subject: [PATCH] frame/video: add stride() getter

---
 src/util/frame/video.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/util/frame/video.rs b/src/util/frame/video.rs
index f12d562..3979fe0 100644
--- a/src/util/frame/video.rs
+++ b/src/util/frame/video.rs
@@ -221,6 +221,17 @@ impl Video {
 		}
 	}
 
+	#[inline]
+	pub fn stride(&self, index: usize) -> usize {
+		if index >= self.planes() {
+			panic!("out of bounds");
+		}
+
+		unsafe {
+			(*self.as_ptr()).linesize[index] as usize
+		}
+	}
+
 	#[inline]
 	pub fn planes(&self) -> usize {
 		for i in 0 .. 8 {