refactor rbspeex, so we build a librbspeex.a for linking into rbutil.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15924 a1c6a512-1295-4272-9138-f99709370657

tools/rbspeex/rbspeex.h

@@ -0,0 +1,34 @@
+/**************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ *
+ * Copyright (C) 2007 Thom Johansen
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#ifndef RBSPEEX_H
+#define RBSPEEX_H
+
+#include <stdbool.h>
+
+unsigned int get_long_le(unsigned char *p);
+bool get_wave_metadata(FILE *fd, int *numchan, int *bps, int *sr, int *numsamples);
+bool encode_file(FILE *fin, FILE *fout, float quality, int complexity,
+                 bool narrowband, float volume, char *errstr, size_t errlen);
+
+void put_ushort_le(unsigned short x, unsigned char *out);
+void put_uint_le(unsigned int x, unsigned char *out);
+
+
+#endif
+