From c7cf8c496a68d9edd3685e25c0c902d81ed6b6d8 Mon Sep 17 00:00:00 2001
From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Thu, 6 Sep 2018 11:35:06 +0200
Subject: [PATCH] demuxers: report failed checks

---
 src/demuxers/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/demuxers/mod.rs b/src/demuxers/mod.rs
index 46603b2..3ecc983 100644
--- a/src/demuxers/mod.rs
+++ b/src/demuxers/mod.rs
@@ -201,7 +201,7 @@ pub trait DemuxerCreator {
 }
 
 macro_rules! validate {
-    ($a:expr) => { if !$a { return Err(DemuxerError::InvalidData); } };
+    ($a:expr) => { if !$a { println!("check failed at {}:{}", file!(), line!()); return Err(DemuxerError::InvalidData); } };
 }
 
 #[cfg(feature="demuxer_gdv")]
-- 
2.39.5