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diff --git a/lib/bladeenc/encoder.h b/lib/bladeenc/encoder.h
new file mode 100644
index 0000000..bd1885c
--- /dev/null
+++ b/lib/bladeenc/encoder.h
@@ -0,0 +1,108 @@
+/*
+			(c) Copyright 1998-2001 - Tord Jansson
+			======================================
+
+		This file is part of the BladeEnc MP3 Encoder, based on
+		ISO's reference code for MPEG Layer 3 compression, and might
+		contain smaller or larger sections that are directly taken
+		from ISO's reference code.
+
+		All changes to the ISO reference code herein are either
+		copyrighted by Tord Jansson (tord.jansson@swipnet.se)
+		or sublicensed to Tord Jansson by a third party.
+
+	BladeEnc is free software; you can redistribute this file
+	and/or modify it under the terms of the GNU Lesser General Public
+	License as published by the Free Software Foundation; either
+	version 2.1 of the License, or (at your option) any later version.
+
+
+
+	------------    Changes    ------------
+
+	2000-12-11  Andre Piotrowski
+
+	-	reformatted, redesigned
+*/
+
+#ifndef		__ENCODER__
+#define		__ENCODER__
+
+
+
+
+
+#define		ORG_BUFFERS				0   /* 1 = use original buffer concept */
+
+
+
+
+
+/***********************************************************************
+*
+*  Encoder Definitions
+*
+***********************************************************************/
+
+/* Psychoacoustic Model 2 Definitions */
+
+#define BLKSIZE         1024
+#define HBLKSIZE        513
+#define CBANDS          63
+
+
+
+
+
+/***********************************************************************
+*
+*  Encoder Function Prototype Declarations
+*
+***********************************************************************/
+
+
+void					initWindowFilterSubband (void);
+
+
+
+
+#if ORG_BUFFERS
+
+	void					rebuffer_audio
+	(
+		short					buffer[2][1152],
+		short					*insamp,
+		unsigned int			samples_read,
+		int						stereo
+	);
+	void					windowFilterSubband
+	(
+		short					*pBuffer,
+		int						ch,
+		double					s[SBLIMIT]
+	);
+
+#else
+
+	void					rebuffer_audio
+	(
+		const short				*insamp,
+		FLOAT					buffer[2][2048],
+		int						*buffer_idx,
+		unsigned int			samples_read,
+		int						stereo
+	);
+	void					windowFilterSubband
+	(
+		const FLOAT				*buffer,
+		int						buffer_idx,
+		double					s[SBLIMIT]
+	);
+
+#endif
+
+
+
+
+
+#endif		/* __ENCODER__ */