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--- /dev/null
+++ b/music2/wavfile.h
@@ -0,0 +1,121 @@
+/*
+ * wavfile.h  WAV file´ØÏ¢
+ *
+ *  Copyright: wavfile.c (c) Erik de Castro Lopo  erikd@zip.com.au
+ *
+ *  Modified : 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
+ *             1998-                           <masaki-c@is.aist-nara.ac.jp>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+*/
+#ifndef __WAVEFILE__
+#define __WAVEFILE__
+
+#define WW_BADOUTPUTFILE	1
+#define WW_BADWRITEHEADER	2
+
+#define WR_BADALLOC		3
+#define WR_BADSEEK		4
+#define WR_BADRIFF		5
+#define WR_BADWAVE		6
+#define WR_BADFORMAT		7
+#define WR_BADFORMATSIZE	8
+
+#define WR_NOTPCMFORMAT		9
+#define WR_NODATACHUNK		10
+#define WR_BADFORMATDATA	11
+
+/*
+ * These values represent values found in/or destined for a
+ * WAV file.
+ */
+typedef struct {
+	unsigned int	SamplingRate;			/* Sampling rate in Hz */
+	int	Channels;			/* Mono or Stereo */
+	unsigned short	DataBits;			/* Sample bit size (8/12/16) */
+} WAVINF;
+
+struct WAVFILE{
+	WAVINF wavinfo;                         /* WAV file hdr info */
+	WAVFILE(void);
+	static int freq;
+	static int format;
+	static int channels;
+	virtual ~WAVFILE() {};
+	virtual int Read(char* buf, int blksize, int blklen) = 0;
+	virtual void Seek(int count) = 0;
+	static WAVFILE* MakeConverter(WAVFILE* new_reader);
+};
+
+struct WAVFILE_Converter : WAVFILE {
+	WAVFILE* original;
+	struct SDL_AudioCVT* cvt;
+	int datasize;
+	char* tmpbuf;
+	int Read(char* buf, int blksize, int blklen);
+	void Seek(int count) { original->Seek(count);}
+	WAVFILE_Converter(WAVFILE* orig, struct SDL_AudioCVT* cvt);
+	~WAVFILE_Converter();
+};
+
+struct WAVFILE_Stream : WAVFILE{
+	char *data;                             /* real data */ 
+	char *data_orig;
+	int data_length;
+	FILE* stream;
+	int stream_length;
+	int stream_length_orig;
+	int stream_top;
+	int Read(char* buf, int blksize, int blklen);
+	void Seek(int count);
+	WAVFILE_Stream(FILE* stream, int length);
+	~WAVFILE_Stream();
+};
+
+struct NWAFILE : WAVFILE {
+	int skip_count;
+	FILE* stream;
+	struct NWAData* nwa;
+	char* data;
+	int block_size;
+	int data_len;
+
+	NWAFILE(FILE* stream);
+	~NWAFILE();
+	void Seek(int count);
+	int Read(char* buf, int blksize, int blklen);
+	static char* ReadAll(FILE* stream, int& size);
+};
+
+struct OggFILE : WAVFILE {
+	struct OggFILE_impl* pimpl;
+
+	OggFILE(FILE* stream, int size);
+	~OggFILE();
+	void Seek(int count);
+	int Read(char* buf, int blksize, int blklen);
+};
+
+struct MP3FILE : WAVFILE {
+	struct MP3FILE_impl* pimpl;
+
+	MP3FILE(FILE* stream, int size);
+	~MP3FILE();
+	void Seek(int count);
+	int Read(char* buf, int blksize, int blklen);
+};
+
+#endif /* !__WAVEFILE__ */