From 78b063dfdfecec71e303e21c7c3311f7b00870f9 Mon Sep 17 00:00:00 2001
From: Anna <git@anna.lgbt>
Date: Tue, 21 Mar 2023 18:24:07 -0400
Subject: [PATCH] fix: handle deduped ttmps

---
 src/ttmp_extractor.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/ttmp_extractor.rs b/src/ttmp_extractor.rs
index 4566782..3c44aca 100644
--- a/src/ttmp_extractor.rs
+++ b/src/ttmp_extractor.rs
@@ -52,8 +52,16 @@ impl<R: Read + Seek> TtmpExtractor<R> {
         let mut data_file = TrackingReader::new(zip.by_name("TTMPD.mpd")
             .map_err(Error::MissingDataFile)?);
 
+        let mut last_offset = None;
         let mut buf = [0; 4096];
         for mod_file in all_files {
+            // handle deduped ttmps
+            if Some(mod_file.file.mod_offset) == last_offset {
+                continue;
+            }
+
+            last_offset = Some(mod_file.file.mod_offset);
+
             let file = mod_file.file;
             data_file.read = 0;