From facb7ef5f0b16cbb33f43f1a8a6e704194e880d2 Mon Sep 17 00:00:00 2001
From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Sat, 12 Sep 2026 10:00:01 +0200
Subject: [PATCH] nihav_hlblocks/demux: ignore RIFF MP3 container as well

---
 nihav-hlblocks/src/demux.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/nihav-hlblocks/src/demux.rs b/nihav-hlblocks/src/demux.rs
index d8d2cd8..96f8eb4 100644
--- a/nihav-hlblocks/src/demux.rs
+++ b/nihav-hlblocks/src/demux.rs
@@ -518,6 +518,14 @@ pub fn detect_tags(br: &mut dyn ByteIO, verbose: bool) -> (bool, u64, Option<u64
     let mut start = 0;
     let mut end = None;
 
+    // check for RIFF MP3 container
+    {
+        let mut buf = [0; 20];
+        if br.peek_buf(&mut buf).is_ok() && &buf[..4] == b"RIFF" && &buf[8..16] == b"RMP3data" {
+            let size = read_u32le(&buf[16..]).unwrap_or_default();
+            return (true, 20, Some(u64::from(size) + 20));
+        }
+    }
     // check for ID3v{2-4}
     let mut buf = [0; 5];
     loop {
-- 
2.39.5