From 548b5cfbdf6f898f04561fc8ee8687e4128ef2bb Mon Sep 17 00:00:00 2001
From: Broque Thomas <26755000+Nezreka@users.noreply.github.com>
Date: Wed, 4 Mar 2026 10:51:01 -0800
Subject: [PATCH] Fix chromaprint C-level assertion crash on 5.1 surround FLAC
 files. Not possible to check

---
 core/acoustid_client.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/core/acoustid_client.py b/core/acoustid_client.py
index bc08dc42..58680f8d 100644
--- a/core/acoustid_client.py
+++ b/core/acoustid_client.py
@@ -370,6 +370,18 @@ class AcoustIDClient:
             logger.warning(f"Cannot lookup: file not found: {audio_file}")
             return None
 
+        # Check channel count — chromaprint crashes (SIGABRT) on >2 channel files (e.g. 5.1 surround)
+        try:
+            from mutagen import File as MutagenFile
+            mf = MutagenFile(audio_file)
+            if mf and mf.info:
+                channels = getattr(mf.info, 'channels', 2)
+                if channels and channels > 2:
+                    logger.warning(f"Skipping AcoustID: file has {channels} channels (surround audio): {audio_file}")
+                    return None
+        except Exception as e:
+            logger.debug(f"Could not check channel count, proceeding anyway: {e}")
+
         try:
             import acoustid