From c66afc1e6ff09cc04af8d59a8e35645bf42becdd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Johan=20F=C3=B6rberg?= <johan@forberg.se>
Date: Sat, 19 Jul 2025 09:41:29 +0200
Subject: [PATCH] examples/dump-frames: Fix rowstride bug

---
 examples/dump-frames.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/examples/dump-frames.rs b/examples/dump-frames.rs
index d3124ef5..8ae0e950 100644
--- a/examples/dump-frames.rs
+++ b/examples/dump-frames.rs
@@ -61,6 +61,10 @@ fn main() -> Result<(), ffmpeg::Error> {
 fn save_file(frame: &Video, index: usize) -> std::result::Result<(), std::io::Error> {
     let mut file = File::create(format!("frame{}.ppm", index))?;
     file.write_all(format!("P6\n{} {}\n255\n", frame.width(), frame.height()).as_bytes())?;
-    file.write_all(frame.data(0))?;
+    for i in 0..frame.height() as usize {
+        let start = i * frame.stride(0);
+        let len = 3 * frame.width() as usize;
+        file.write_all(&frame.data(0)[start..start + len])?;
+    }
     Ok(())
 }