From 0b7152dfe25d34899f0db73558f05064777f536b Mon Sep 17 00:00:00 2001
From: trialuser02 <trialuser02@90c681e8-e032-0410-971d-27865f9a5e38>
Date: Mon, 7 Nov 2011 19:26:00 +0000
Subject: added content based detection for some decoders

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@2502 90c681e8-e032-0410-971d-27865f9a5e38
---
 src/plugins/Input/mpc/decodermpcfactory.cpp | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'src/plugins/Input/mpc/decodermpcfactory.cpp')

diff --git a/src/plugins/Input/mpc/decodermpcfactory.cpp b/src/plugins/Input/mpc/decodermpcfactory.cpp
index f55a2d4e9..07fd9693b 100644
--- a/src/plugins/Input/mpc/decodermpcfactory.cpp
+++ b/src/plugins/Input/mpc/decodermpcfactory.cpp
@@ -36,8 +36,20 @@ bool DecoderMPCFactory::supports(const QString &source) const
     return (source.right(4).toLower() == ".mpc");
 }
 
-bool DecoderMPCFactory::canDecode(QIODevice *) const
+bool DecoderMPCFactory::canDecode(QIODevice *input) const
 {
+    char buf[36];
+    if (input->peek(buf, 4) != 4)
+        return false;
+
+    if(!memcmp(buf, "MP+", 3))
+            return true;
+
+#ifndef MPC_OLD_API
+    if(!memcmp(buf, "MPCK", 4))
+        return true;
+#endif
+
     return false;
 }
 
-- 
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