Import libfluidsynth into the Ardour codebase

libs/fluidsynth/src/fluid_gen.h

@@ -0,0 +1,44 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public License
+ * as published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#ifndef _FLUID_GEN_H
+#define _FLUID_GEN_H
+
+#include "fluidsynth_priv.h"
+
+typedef struct _fluid_gen_info_t {
+	char num;		/* Generator number */
+	char init;		/* Does the generator need to be initialized (cfr. fluid_voice_init()) */
+	char nrpn_scale;	/* The scale to convert from NRPN (cfr. fluid_gen_map_nrpn()) */
+	float min;		/* The minimum value */
+	float max;		/* The maximum value */
+	float def;		/* The default value (cfr. fluid_gen_set_default_values()) */
+} fluid_gen_info_t;
+
+#define fluid_gen_set_mod(_gen, _val)  { (_gen)->mod = (double) (_val); }
+#define fluid_gen_set_nrpn(_gen, _val) { (_gen)->nrpn = (double) (_val); }
+
+fluid_real_t fluid_gen_scale(int gen, float value);
+fluid_real_t fluid_gen_scale_nrpn(int gen, int nrpn);
+int fluid_gen_init(fluid_gen_t* gen, fluid_channel_t* channel);
+
+
+#endif /* _FLUID_GEN_H */