From 649434bd043f33370c9ab21670ef2d3ef2bde6a4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Fri, 18 Nov 2022 16:10:10 +0200
Subject: [PATCH] mp4mux: For video with N/1001 framerates use N as timescale

See https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3049

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/987>
---
 mux/mp4/src/mp4mux/boxes.rs | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/mux/mp4/src/mp4mux/boxes.rs b/mux/mp4/src/mp4mux/boxes.rs
index a4bc5e16..b160ce2b 100644
--- a/mux/mp4/src/mp4mux/boxes.rs
+++ b/mux/mp4/src/mp4mux/boxes.rs
@@ -230,9 +230,13 @@ fn stream_to_timescale(stream: &super::Stream) -> u32 {
                 }
             }
 
-            (fps.numer() as u32)
-                .mul_div_round(100, fps.denom() as u32)
-                .unwrap_or(10_000)
+            if fps.denom() == 1001 {
+                fps.numer() as u32
+            } else {
+                (fps.numer() as u32)
+                    .mul_div_round(100, fps.denom() as u32)
+                    .unwrap_or(10_000)
+            }
         } else if let Ok(rate) = s.get::<i32>("rate") {
             rate as u32
         } else {