move the riff reading code into libQFutil

include/QF/riff.h

@@ -0,0 +1,118 @@
+/*
+	riff.h
+
+	riff wav file handling
+
+	Copyright (C) 2003 Bill Currie
+
+	Author: Bill Currie <bill@taniwha.org>
+	Date: 2003/4/10
+
+	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:
+
+		Free Software Foundation, Inc.
+		59 Temple Place - Suite 330
+		Boston, MA  02111-1307, USA
+
+	$Id$
+*/
+
+#ifndef __QF_riff_h
+#define __QF_riff_h
+
+#include "QF/quakeio.h"
+
+typedef struct d_chunk_s {
+	unsigned char name[4];
+	unsigned    len;
+} d_chunk_t;
+
+typedef struct d_cue_point_s {
+	unsigned    name;
+	unsigned    position;
+	char        chunk[4];
+	unsigned    chunk_start;
+	unsigned    block_start;
+	unsigned    sample_offset;
+} d_cue_point_t;
+
+typedef struct d_cue_s {
+	unsigned    count;
+	d_cue_point_t cue_points[1];
+} d_cue_t;
+
+typedef struct d_format_s {
+	unsigned short format_tag;
+	unsigned short channels;
+	unsigned    samples_pre_sec;
+	unsigned    byte_per_sec;
+	unsigned short align;
+} d_format_t;
+
+typedef struct d_ltxt_s {
+	unsigned    name;
+	unsigned    len;
+	char        purpose[4];
+	unsigned    country;
+	unsigned    language;
+	unsigned    dialect;
+	unsigned    codepage;
+	unsigned char data[0];
+} d_ltxt_t;
+
+typedef struct cue_s {
+	d_chunk_t   ck;
+	d_cue_t    *cue;
+} cue_t;
+
+typedef struct format_s {
+	d_chunk_t   ck;
+	d_format_t  format;
+	char        fdata[0];
+} format_t;
+
+typedef struct ltxt_s {
+	d_chunk_t   ck;
+	d_ltxt_t    ltxt;
+} ltxt_t;
+
+typedef struct label_s {
+	d_chunk_t   ck;
+	unsigned    ofs;
+	char       *label;
+} label_t;
+
+typedef struct data_s {
+	d_chunk_t   ck;
+	char       *data;
+} data_t;
+
+typedef struct list_s {
+	d_chunk_t   ck;
+	char        name[4];
+	d_chunk_t  *chunks[0];
+} list_t;
+
+#define SWITCH(name) switch (((name)[0] << 24) | ((name)[1] << 16) \
+							 | ((name)[2] << 8) | (name)[3])
+#define CASE(a,b,c,d) (((unsigned char)(a) << 24) \
+					   | ((unsigned char)(b) << 16) \
+					   | ((unsigned char)(c) << 8) \
+					   | (unsigned char)(d))
+
+list_t *riff_read (QFile *file);
+void riff_free (list_t *riff);
+
+#endif//__QF_riff_h