From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Sat, 10 Oct 2026 14:50:58 +0000 (+0200)
Subject: mov: work around one old bug
X-Git-Url: https://git.nihav.org/?a=commitdiff_plain;h=65bae4cf1e392eb84186de4ed37c5d0c57db5c52;p=nihav.git

mov: work around one old bug
---

diff --git a/nihav-commonfmt/src/demuxers/mov/track.rs b/nihav-commonfmt/src/demuxers/mov/track.rs
index 8c48cae..d45bef0 100644
--- a/nihav-commonfmt/src/demuxers/mov/track.rs
+++ b/nihav-commonfmt/src/demuxers/mov/track.rs
@@ -716,7 +716,12 @@ fn read_stsc(track: &mut Track, br: &mut dyn ByteIO, size: u64) -> DemuxerResult
     track.pkt_demux.sample_map = Vec::with_capacity(entries);
     let mut last_chunk_no = 0;
     for _i in 0..entries {
-        let chunk_no       = br.read_u32be()?;
+        let mut chunk_no    = br.read_u32be()?;
+        // QT2.0 bug?
+        if chunk_no == last_chunk_no && last_chunk_no == 5 {
+            println!("slightly buggy QT2.0 sample?");
+            chunk_no = 6;
+        }
         validate!(chunk_no > last_chunk_no);
         let nsamples        = br.read_u32be()?;
         let sample_desc     = br.read_u32be()?;