Import libfluidsynth into the Ardour codebase

libs/fluidsynth/fluidsynth/misc.h

@@ -0,0 +1,77 @@
+/* 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 _FLUIDSYNTH_MISC_H
+#define _FLUIDSYNTH_MISC_H
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * @file misc.h
+ * @brief Miscellaneous utility functions and defines
+ */
+
+/**
+ * Value that indicates success, used by most libfluidsynth functions.
+ * @since 1.1.0
+ *
+ * NOTE: This was not publicly defined prior to libfluidsynth 1.1.0.  When
+ * writing code which should also be compatible with older versions, something
+ * like the following can be used:
+ *
+ * @code
+ *   #include <fluidsynth.h>
+ *
+ *   #ifndef FLUID_OK
+ *   #define FLUID_OK      (0)
+ *   #define FLUID_FAILED  (-1)
+ *   #endif
+ * @endcode
+ */
+#define FLUID_OK        (0)
+
+/**
+ * Value that indicates failure, used by most libfluidsynth functions.
+ * @since 1.1.0
+ *
+ * NOTE: See #FLUID_OK for more details.
+ */
+#define FLUID_FAILED    (-1)
+
+
+FLUIDSYNTH_API int fluid_is_soundfont (const char *filename);
+FLUIDSYNTH_API int fluid_is_midifile (const char *filename);
+
+
+#ifdef WIN32
+FLUIDSYNTH_API void* fluid_get_hinstance(void);
+FLUIDSYNTH_API void fluid_set_hinstance(void* hinstance);
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUIDSYNTH_MISC_H */