Import libfluidsynth into the Ardour codebase

1 files changed, 141 insertions, 0 deletions

diff --git a/libs/fluidsynth/fluidsynth/midi.h b/libs/fluidsynth/fluidsynth/midi.h
new file mode 100644
index 0000000000..ab1e6a198b
--- /dev/null
+++ b/libs/fluidsynth/fluidsynth/midi.h
@@ -0,0 +1,141 @@
+/* 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_MIDI_H
+#define _FLUIDSYNTH_MIDI_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @file midi.h
+ * @brief Functions for MIDI events, drivers and MIDI file playback.
+ */
+
+FLUIDSYNTH_API fluid_midi_event_t* new_fluid_midi_event(void);
+FLUIDSYNTH_API int delete_fluid_midi_event(fluid_midi_event_t* event);
+
+FLUIDSYNTH_API int fluid_midi_event_set_type(fluid_midi_event_t* evt, int type);
+FLUIDSYNTH_API int fluid_midi_event_get_type(fluid_midi_event_t* evt);
+FLUIDSYNTH_API int fluid_midi_event_set_channel(fluid_midi_event_t* evt, int chan);
+FLUIDSYNTH_API int fluid_midi_event_get_channel(fluid_midi_event_t* evt);
+FLUIDSYNTH_API int fluid_midi_event_get_key(fluid_midi_event_t* evt);
+FLUIDSYNTH_API int fluid_midi_event_set_key(fluid_midi_event_t* evt, int key);
+FLUIDSYNTH_API int fluid_midi_event_get_velocity(fluid_midi_event_t* evt);
+FLUIDSYNTH_API int fluid_midi_event_set_velocity(fluid_midi_event_t* evt, int vel);
+FLUIDSYNTH_API int fluid_midi_event_get_control(fluid_midi_event_t* evt);
+FLUIDSYNTH_API int fluid_midi_event_set_control(fluid_midi_event_t* evt, int ctrl);
+FLUIDSYNTH_API int fluid_midi_event_get_value(fluid_midi_event_t* evt);
+FLUIDSYNTH_API int fluid_midi_event_set_value(fluid_midi_event_t* evt, int val);
+FLUIDSYNTH_API int fluid_midi_event_get_program(fluid_midi_event_t* evt);
+FLUIDSYNTH_API int fluid_midi_event_set_program(fluid_midi_event_t* evt, int val);
+FLUIDSYNTH_API int fluid_midi_event_get_pitch(fluid_midi_event_t* evt);
+FLUIDSYNTH_API int fluid_midi_event_set_pitch(fluid_midi_event_t* evt, int val);
+FLUIDSYNTH_API int fluid_midi_event_set_sysex(fluid_midi_event_t* evt, void *data,
+                                              int size, int dynamic);
+
+/**
+ * MIDI router rule type.
+ * @since 1.1.0
+ */
+typedef enum
+{
+  FLUID_MIDI_ROUTER_RULE_NOTE,                  /**< MIDI note rule */
+  FLUID_MIDI_ROUTER_RULE_CC,                    /**< MIDI controller rule */
+  FLUID_MIDI_ROUTER_RULE_PROG_CHANGE,           /**< MIDI program change rule */
+  FLUID_MIDI_ROUTER_RULE_PITCH_BEND,            /**< MIDI pitch bend rule */
+  FLUID_MIDI_ROUTER_RULE_CHANNEL_PRESSURE,      /**< MIDI channel pressure rule */
+  FLUID_MIDI_ROUTER_RULE_KEY_PRESSURE,          /**< MIDI key pressure rule */
+  FLUID_MIDI_ROUTER_RULE_COUNT                  /**< Total count of rule types */
+} fluid_midi_router_rule_type;
+
+/**
+ * Generic callback function for MIDI events.
+ * @param data User defined data pointer
+ * @param event The MIDI event
+ * @return Should return #FLUID_OK on success, #FLUID_FAILED otherwise
+ *
+ * Will be used between
+ * - MIDI driver and MIDI router
+ * - MIDI router and synth
+ * to communicate events.
+ * In the not-so-far future...
+ */
+typedef int (*handle_midi_event_func_t)(void* data, fluid_midi_event_t* event);
+
+FLUIDSYNTH_API fluid_midi_router_t* new_fluid_midi_router(fluid_settings_t* settings,
+						       handle_midi_event_func_t handler, 
+						       void* event_handler_data); 
+FLUIDSYNTH_API int delete_fluid_midi_router(fluid_midi_router_t* handler); 
+FLUIDSYNTH_API int fluid_midi_router_set_default_rules (fluid_midi_router_t *router);
+FLUIDSYNTH_API int fluid_midi_router_clear_rules (fluid_midi_router_t *router);
+FLUIDSYNTH_API int fluid_midi_router_add_rule (fluid_midi_router_t *router,
+                                               fluid_midi_router_rule_t *rule, int type);
+FLUIDSYNTH_API fluid_midi_router_rule_t *new_fluid_midi_router_rule (void);
+FLUIDSYNTH_API void delete_fluid_midi_router_rule (fluid_midi_router_rule_t *rule);
+FLUIDSYNTH_API void fluid_midi_router_rule_set_chan (fluid_midi_router_rule_t *rule,
+                                                     int min, int max, float mul, int add);
+FLUIDSYNTH_API void fluid_midi_router_rule_set_param1 (fluid_midi_router_rule_t *rule,
+                                                       int min, int max, float mul, int add);
+FLUIDSYNTH_API void fluid_midi_router_rule_set_param2 (fluid_midi_router_rule_t *rule,
+                                                       int min, int max, float mul, int add);
+FLUIDSYNTH_API int fluid_midi_router_handle_midi_event(void* data, fluid_midi_event_t* event);
+FLUIDSYNTH_API int fluid_midi_dump_prerouter(void* data, fluid_midi_event_t* event); 
+FLUIDSYNTH_API int fluid_midi_dump_postrouter(void* data, fluid_midi_event_t* event); 
+
+
+FLUIDSYNTH_API 
+fluid_midi_driver_t* new_fluid_midi_driver(fluid_settings_t* settings, 
+					 handle_midi_event_func_t handler, 
+					 void* event_handler_data);
+
+FLUIDSYNTH_API void delete_fluid_midi_driver(fluid_midi_driver_t* driver);
+
+
+/**
+ * MIDI player status enum.
+ * @since 1.1.0
+ */
+enum fluid_player_status
+{
+  FLUID_PLAYER_READY,           /**< Player is ready */
+  FLUID_PLAYER_PLAYING,         /**< Player is currently playing */
+  FLUID_PLAYER_DONE             /**< Player is finished playing */
+};
+
+FLUIDSYNTH_API fluid_player_t* new_fluid_player(fluid_synth_t* synth);
+FLUIDSYNTH_API int delete_fluid_player(fluid_player_t* player);
+FLUIDSYNTH_API int fluid_player_add(fluid_player_t* player, const char *midifile);
+FLUIDSYNTH_API int fluid_player_add_mem(fluid_player_t* player, const void *buffer, size_t len);
+FLUIDSYNTH_API int fluid_player_play(fluid_player_t* player);
+FLUIDSYNTH_API int fluid_player_stop(fluid_player_t* player);
+FLUIDSYNTH_API int fluid_player_join(fluid_player_t* player);
+FLUIDSYNTH_API int fluid_player_set_loop(fluid_player_t* player, int loop);
+FLUIDSYNTH_API int fluid_player_set_midi_tempo(fluid_player_t* player, int tempo);
+FLUIDSYNTH_API int fluid_player_set_bpm(fluid_player_t* player, int bpm);
+FLUIDSYNTH_API int fluid_player_get_status(fluid_player_t* player);
+FLUIDSYNTH_API int fluid_player_set_playback_callback(fluid_player_t* player, handle_midi_event_func_t handler, void* handler_data);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUIDSYNTH_MIDI_H */