From 8e7a87a8a663644e43e8dbbf087a60df4ac098e5 Mon Sep 17 00:00:00 2001
From: metamuffin <metamuffin@disroot.org>
Date: Thu, 5 Mar 2026 18:17:16 +0100
Subject: dash segment timeline repeat

---
 stream/src/dash.rs | 33 ++++++++++++++++++++++++---------
 1 file changed, 24 insertions(+), 9 deletions(-)

(limited to 'stream')

diff --git a/stream/src/dash.rs b/stream/src/dash.rs
index 53db3c4..bfec78c 100644
--- a/stream/src/dash.rs
+++ b/stream/src/dash.rs
@@ -182,19 +182,34 @@ impl Display for Time {
 struct Timeline<'a>(&'a [Range<f64>]);
 impl Display for Timeline<'_> {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        writeln!(f, "<SegmentTimeline>")?;
+        write!(f, "<SegmentTimeline>")?;
         let mut last_t = 0;
-        for (i, r) in self.0.iter().enumerate() {
-            let t = (r.start * 1000.) as i64;
+        let mut last_d = 0;
+        let mut r = 0;
+        let mut first = true;
+        for seg in self.0 {
+            let t = (seg.end * 1000.) as i64;
             let d = t - last_t;
-            last_t = t;
-            if i == 0 {
-                writeln!(f, r#"<S t="0" d="{d}" />"#)?;
-            } else {
-                writeln!(f, r#"<S d="{d}" />"#)?;
+            r += 1;
+            if d != last_d && last_d != 0 {
+                match (r, first) {
+                    (1, true) => write!(f, r#"<S t="0" d="{last_d}" />"#)?,
+                    (1, false) => write!(f, r#"<S d="{last_d}" />"#)?,
+                    (_, true) => write!(f, r#"<S t="0" d="{last_d}" r="{r}" />"#)?,
+                    (_, false) => write!(f, r#"<S d="{last_d}" r="{r}" />"#)?,
+                }
+                first = false;
+                r = 0;
             }
+            last_t = t;
+            last_d = d;
+        }
+        if r > 1 {
+            write!(f, r#"<S d="{last_d}" r="{r}" />"#)?;
+        } else {
+            write!(f, r#"<S d="{last_d}" />"#)?;
         }
-        writeln!(f, "</SegmentTimeline>")?;
+        write!(f, "</SegmentTimeline>")?;
         Ok(())
     }
 }
-- 
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