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diff --git a/libs/fluidsynth/src/fluid_sfont.h b/libs/fluidsynth/src/fluid_sfont.h
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+++ b/libs/fluidsynth/src/fluid_sfont.h
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+/* 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 _PRIV_FLUID_SFONT_H
+#define _PRIV_FLUID_SFONT_H
+
+
+/*
+ * Utility macros to access soundfonts, presets, and samples
+ */
+
+#define fluid_sfloader_delete(_loader) { if ((_loader) && (_loader)->free) (*(_loader)->free)(_loader); }
+#define fluid_sfloader_load(_loader, _filename) (*(_loader)->load)(_loader, _filename)
+
+
+#define delete_fluid_sfont(_sf)   ( ((_sf) && (_sf)->free)? (*(_sf)->free)(_sf) : 0)
+#define fluid_sfont_get_name(_sf) (*(_sf)->get_name)(_sf)
+#define fluid_sfont_get_preset(_sf,_bank,_prenum) (*(_sf)->get_preset)(_sf,_bank,_prenum)
+#define fluid_sfont_iteration_start(_sf) (*(_sf)->iteration_start)(_sf)
+#define fluid_sfont_iteration_next(_sf,_pr) (*(_sf)->iteration_next)(_sf,_pr)
+#define fluid_sfont_get_data(_sf) (_sf)->data
+#define fluid_sfont_set_data(_sf,_p) { (_sf)->data = (void*) (_p); }
+
+
+#define delete_fluid_preset(_preset) \
+  { if ((_preset) && (_preset)->free) { (*(_preset)->free)(_preset); }}
+
+#define fluid_preset_get_data(_preset) (_preset)->data
+#define fluid_preset_set_data(_preset,_p) { (_preset)->data = (void*) (_p); }
+#define fluid_preset_get_name(_preset) (*(_preset)->get_name)(_preset)
+#define fluid_preset_get_banknum(_preset) (*(_preset)->get_banknum)(_preset)
+#define fluid_preset_get_num(_preset) (*(_preset)->get_num)(_preset)
+
+#define fluid_preset_noteon(_preset,_synth,_ch,_key,_vel) \
+  (*(_preset)->noteon)(_preset,_synth,_ch,_key,_vel)
+
+#define fluid_preset_notify(_preset,_reason,_chan) \
+  { if ((_preset) && (_preset)->notify) { (*(_preset)->notify)(_preset,_reason,_chan); }}
+
+
+#define fluid_sample_incr_ref(_sample) { (_sample)->refcount++; }
+
+#define fluid_sample_decr_ref(_sample) \
+  (_sample)->refcount--; \
+  if (((_sample)->refcount == 0) && ((_sample)->notify)) \
+    (*(_sample)->notify)(_sample, FLUID_SAMPLE_DONE);
+
+
+
+#endif /* _PRIV_FLUID_SFONT_H */