392 lines
19 KiB
C
392 lines
19 KiB
C
/* FluidSynth - A Software Synthesizer
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*
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* Copyright (C) 2003 Peter Hanappe and others.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA
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*/
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#ifndef _FLUIDSYNTH_SYNTH_H
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#define _FLUIDSYNTH_SYNTH_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @file synth.h
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* @brief Embeddable SoundFont synthesizer
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*
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* You create a new synthesizer with new_fluid_synth() and you destroy
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* if with delete_fluid_synth(). Use the settings structure to specify
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* the synthesizer characteristics.
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*
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* You have to load a SoundFont in order to hear any sound. For that
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* you use the fluid_synth_sfload() function.
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*
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* You can use the audio driver functions described below to open
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* the audio device and create a background audio thread.
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*
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* The API for sending MIDI events is probably what you expect:
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* fluid_synth_noteon(), fluid_synth_noteoff(), ...
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*/
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FLUIDSYNTH_API fluid_synth_t* new_fluid_synth(fluid_settings_t* settings);
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FLUIDSYNTH_API void delete_fluid_synth(fluid_synth_t* synth);
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FLUIDSYNTH_API fluid_settings_t* fluid_synth_get_settings(fluid_synth_t* synth);
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/* MIDI channel messages */
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FLUIDSYNTH_API int fluid_synth_noteon(fluid_synth_t* synth, int chan, int key, int vel);
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FLUIDSYNTH_API int fluid_synth_noteoff(fluid_synth_t* synth, int chan, int key);
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FLUIDSYNTH_API int fluid_synth_cc(fluid_synth_t* synth, int chan, int ctrl, int val);
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FLUIDSYNTH_API int fluid_synth_get_cc(fluid_synth_t* synth, int chan, int ctrl, int* pval);
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FLUIDSYNTH_API int fluid_synth_sysex(fluid_synth_t *synth, const char *data, int len,
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char *response, int *response_len, int *handled, int dryrun);
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FLUIDSYNTH_API int fluid_synth_pitch_bend(fluid_synth_t* synth, int chan, int val);
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FLUIDSYNTH_API int fluid_synth_get_pitch_bend(fluid_synth_t* synth, int chan, int* ppitch_bend);
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FLUIDSYNTH_API int fluid_synth_pitch_wheel_sens(fluid_synth_t* synth, int chan, int val);
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FLUIDSYNTH_API int fluid_synth_get_pitch_wheel_sens(fluid_synth_t* synth, int chan, int* pval);
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FLUIDSYNTH_API int fluid_synth_program_change(fluid_synth_t* synth, int chan, int program);
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FLUIDSYNTH_API int fluid_synth_channel_pressure(fluid_synth_t* synth, int chan, int val);
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FLUIDSYNTH_API int fluid_synth_key_pressure(fluid_synth_t* synth, int chan, int key, int val);
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FLUIDSYNTH_API int fluid_synth_bank_select(fluid_synth_t* synth, int chan, int bank);
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FLUIDSYNTH_API int fluid_synth_sfont_select(fluid_synth_t* synth, int chan, int sfont_id);
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FLUIDSYNTH_API
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int fluid_synth_program_select(fluid_synth_t* synth, int chan, int sfont_id,
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int bank_num, int preset_num);
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FLUIDSYNTH_API int
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fluid_synth_program_select_by_sfont_name (fluid_synth_t* synth, int chan,
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const char *sfont_name, int bank_num,
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int preset_num);
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FLUIDSYNTH_API
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int fluid_synth_get_program(fluid_synth_t* synth, int chan, int* sfont_id,
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int* bank_num, int* preset_num);
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FLUIDSYNTH_API int fluid_synth_unset_program (fluid_synth_t *synth, int chan);
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FLUIDSYNTH_API int fluid_synth_program_reset(fluid_synth_t* synth);
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FLUIDSYNTH_API int fluid_synth_system_reset(fluid_synth_t* synth);
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FLUIDSYNTH_API int fluid_synth_all_notes_off(fluid_synth_t* synth, int chan);
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FLUIDSYNTH_API int fluid_synth_all_sounds_off(fluid_synth_t* synth, int chan);
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/**
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* The midi channel type used by fluid_synth_set_channel_type()
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*/
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enum fluid_midi_channel_type
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{
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CHANNEL_TYPE_MELODIC = 0, /**< Melodic midi channel */
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CHANNEL_TYPE_DRUM = 1 /**< Drum midi channel */
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};
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FLUIDSYNTH_API int fluid_synth_set_channel_type(fluid_synth_t* synth, int chan, int type);
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/* Low level access */
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FLUIDSYNTH_API fluid_preset_t* fluid_synth_get_channel_preset(fluid_synth_t* synth, int chan);
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FLUIDSYNTH_API int fluid_synth_start(fluid_synth_t* synth, unsigned int id,
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fluid_preset_t* preset, int audio_chan,
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int midi_chan, int key, int vel);
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FLUIDSYNTH_API int fluid_synth_stop(fluid_synth_t* synth, unsigned int id);
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/* SoundFont management */
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FLUIDSYNTH_API
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int fluid_synth_sfload(fluid_synth_t* synth, const char* filename, int reset_presets);
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FLUIDSYNTH_API int fluid_synth_sfreload(fluid_synth_t* synth, int id);
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FLUIDSYNTH_API int fluid_synth_sfunload(fluid_synth_t* synth, int id, int reset_presets);
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FLUIDSYNTH_API int fluid_synth_add_sfont(fluid_synth_t* synth, fluid_sfont_t* sfont);
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FLUIDSYNTH_API int fluid_synth_remove_sfont(fluid_synth_t* synth, fluid_sfont_t* sfont);
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FLUIDSYNTH_API int fluid_synth_sfcount(fluid_synth_t* synth);
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FLUIDSYNTH_API fluid_sfont_t* fluid_synth_get_sfont(fluid_synth_t* synth, unsigned int num);
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FLUIDSYNTH_API fluid_sfont_t* fluid_synth_get_sfont_by_id(fluid_synth_t* synth, int id);
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FLUIDSYNTH_API fluid_sfont_t *fluid_synth_get_sfont_by_name (fluid_synth_t* synth,
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const char *name);
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FLUIDSYNTH_API int fluid_synth_set_bank_offset(fluid_synth_t* synth, int sfont_id, int offset);
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FLUIDSYNTH_API int fluid_synth_get_bank_offset(fluid_synth_t* synth, int sfont_id);
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/* Reverb */
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FLUIDSYNTH_API int fluid_synth_set_reverb(fluid_synth_t* synth, double roomsize,
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double damping, double width, double level);
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FLUIDSYNTH_API int fluid_synth_set_reverb_roomsize(fluid_synth_t* synth, double roomsize);
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FLUIDSYNTH_API int fluid_synth_set_reverb_damp(fluid_synth_t* synth, double damping);
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FLUIDSYNTH_API int fluid_synth_set_reverb_width(fluid_synth_t* synth, double width);
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FLUIDSYNTH_API int fluid_synth_set_reverb_level(fluid_synth_t* synth, double level);
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FLUIDSYNTH_API void fluid_synth_set_reverb_on(fluid_synth_t* synth, int on);
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FLUIDSYNTH_API double fluid_synth_get_reverb_roomsize(fluid_synth_t* synth);
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FLUIDSYNTH_API double fluid_synth_get_reverb_damp(fluid_synth_t* synth);
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FLUIDSYNTH_API double fluid_synth_get_reverb_level(fluid_synth_t* synth);
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FLUIDSYNTH_API double fluid_synth_get_reverb_width(fluid_synth_t* synth);
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/* Chorus */
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/**
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* Chorus modulation waveform type.
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*/
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enum fluid_chorus_mod {
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FLUID_CHORUS_MOD_SINE = 0, /**< Sine wave chorus modulation */
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FLUID_CHORUS_MOD_TRIANGLE = 1 /**< Triangle wave chorus modulation */
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};
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FLUIDSYNTH_API int fluid_synth_set_chorus(fluid_synth_t* synth, int nr, double level,
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double speed, double depth_ms, int type);
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FLUIDSYNTH_API int fluid_synth_set_chorus_nr(fluid_synth_t* synth, int nr);
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FLUIDSYNTH_API int fluid_synth_set_chorus_level(fluid_synth_t* synth, double level);
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FLUIDSYNTH_API int fluid_synth_set_chorus_speed(fluid_synth_t* synth, double speed);
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FLUIDSYNTH_API int fluid_synth_set_chorus_depth(fluid_synth_t* synth, double depth_ms);
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FLUIDSYNTH_API int fluid_synth_set_chorus_type(fluid_synth_t* synth, int type);
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FLUIDSYNTH_API void fluid_synth_set_chorus_on(fluid_synth_t* synth, int on);
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FLUIDSYNTH_API int fluid_synth_get_chorus_nr(fluid_synth_t* synth);
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FLUIDSYNTH_API double fluid_synth_get_chorus_level(fluid_synth_t* synth);
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FLUIDSYNTH_API double fluid_synth_get_chorus_speed(fluid_synth_t* synth);
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FLUIDSYNTH_API double fluid_synth_get_chorus_depth(fluid_synth_t* synth);
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FLUIDSYNTH_API int fluid_synth_get_chorus_type(fluid_synth_t* synth); /* see fluid_chorus_mod */
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/* Audio and MIDI channels */
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FLUIDSYNTH_API int fluid_synth_count_midi_channels(fluid_synth_t* synth);
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FLUIDSYNTH_API int fluid_synth_count_audio_channels(fluid_synth_t* synth);
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FLUIDSYNTH_API int fluid_synth_count_audio_groups(fluid_synth_t* synth);
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FLUIDSYNTH_API int fluid_synth_count_effects_channels(fluid_synth_t* synth);
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/* Synthesis parameters */
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FLUIDSYNTH_API void fluid_synth_set_sample_rate(fluid_synth_t* synth, float sample_rate);
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FLUIDSYNTH_API void fluid_synth_set_gain(fluid_synth_t* synth, float gain);
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FLUIDSYNTH_API float fluid_synth_get_gain(fluid_synth_t* synth);
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FLUIDSYNTH_API int fluid_synth_set_polyphony(fluid_synth_t* synth, int polyphony);
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FLUIDSYNTH_API int fluid_synth_get_polyphony(fluid_synth_t* synth);
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FLUIDSYNTH_API int fluid_synth_get_active_voice_count(fluid_synth_t* synth);
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FLUIDSYNTH_API int fluid_synth_get_internal_bufsize(fluid_synth_t* synth);
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FLUIDSYNTH_API
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int fluid_synth_set_interp_method(fluid_synth_t* synth, int chan, int interp_method);
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/**
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* Synthesis interpolation method.
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*/
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enum fluid_interp {
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FLUID_INTERP_NONE = 0, /**< No interpolation: Fastest, but questionable audio quality */
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FLUID_INTERP_LINEAR = 1, /**< Straight-line interpolation: A bit slower, reasonable audio quality */
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FLUID_INTERP_4THORDER = 4, /**< Fourth-order interpolation, good quality, the default */
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FLUID_INTERP_7THORDER = 7, /**< Seventh-order interpolation */
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FLUID_INTERP_DEFAULT = FLUID_INTERP_4THORDER, /**< Default interpolation method */
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FLUID_INTERP_HIGHEST = FLUID_INTERP_7THORDER, /**< Highest interpolation method */
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};
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/* Generator interface */
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FLUIDSYNTH_API int fluid_synth_set_gen (fluid_synth_t* synth, int chan,
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int param, float value);
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FLUIDSYNTH_API float fluid_synth_get_gen(fluid_synth_t* synth, int chan, int param);
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/* Tuning */
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FLUIDSYNTH_API
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int fluid_synth_activate_key_tuning(fluid_synth_t* synth, int bank, int prog,
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const char* name, const double* pitch, int apply);
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FLUIDSYNTH_API
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int fluid_synth_activate_octave_tuning(fluid_synth_t* synth, int bank, int prog,
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const char* name, const double* pitch, int apply);
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FLUIDSYNTH_API
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int fluid_synth_tune_notes(fluid_synth_t* synth, int bank, int prog,
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int len, const int *keys, const double* pitch, int apply);
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FLUIDSYNTH_API
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int fluid_synth_activate_tuning(fluid_synth_t* synth, int chan, int bank, int prog,
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int apply);
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FLUIDSYNTH_API
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int fluid_synth_deactivate_tuning(fluid_synth_t* synth, int chan, int apply);
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FLUIDSYNTH_API void fluid_synth_tuning_iteration_start(fluid_synth_t* synth);
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FLUIDSYNTH_API
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int fluid_synth_tuning_iteration_next(fluid_synth_t* synth, int* bank, int* prog);
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FLUIDSYNTH_API int fluid_synth_tuning_dump(fluid_synth_t* synth, int bank, int prog,
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char* name, int len, double* pitch);
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/* Misc */
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FLUIDSYNTH_API double fluid_synth_get_cpu_load(fluid_synth_t* synth);
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FLUIDSYNTH_API const char* fluid_synth_error(fluid_synth_t* synth);
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/* Default modulators */
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/**
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* Enum used with fluid_synth_add_default_mod() to specify how to handle duplicate modulators.
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*/
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enum fluid_synth_add_mod {
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FLUID_SYNTH_OVERWRITE, /**< Overwrite any existing matching modulator */
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FLUID_SYNTH_ADD, /**< Add (sum) modulator amounts */
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};
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FLUIDSYNTH_API int fluid_synth_add_default_mod(fluid_synth_t* synth, fluid_mod_t* mod, int mode);
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FLUIDSYNTH_API int fluid_synth_remove_default_mod(fluid_synth_t* synth, const fluid_mod_t* mod);
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/*
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* Synthesizer plugin
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*
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* To create a synthesizer plugin, create the synthesizer as
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* explained above. Once the synthesizer is created you can call
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* any of the functions below to get the audio.
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*/
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FLUIDSYNTH_API int fluid_synth_write_s16(fluid_synth_t* synth, int len,
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void* lout, int loff, int lincr,
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void* rout, int roff, int rincr);
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FLUIDSYNTH_API int fluid_synth_write_float(fluid_synth_t* synth, int len,
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void* lout, int loff, int lincr,
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void* rout, int roff, int rincr);
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FLUIDSYNTH_API int fluid_synth_nwrite_float(fluid_synth_t* synth, int len,
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float** left, float** right,
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float** fx_left, float** fx_right);
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FLUIDSYNTH_API int fluid_synth_process(fluid_synth_t* synth, int len,
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int nfx, float* fx[],
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int nout, float* out[]);
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/* Synthesizer's interface to handle SoundFont loaders */
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FLUIDSYNTH_API void fluid_synth_add_sfloader(fluid_synth_t* synth, fluid_sfloader_t* loader);
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FLUIDSYNTH_API fluid_voice_t* fluid_synth_alloc_voice(fluid_synth_t* synth,
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fluid_sample_t* sample,
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int channum, int key, int vel);
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FLUIDSYNTH_API void fluid_synth_start_voice(fluid_synth_t* synth, fluid_voice_t* voice);
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FLUIDSYNTH_API void fluid_synth_get_voicelist(fluid_synth_t* synth,
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fluid_voice_t* buf[], int bufsize, int ID);
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FLUIDSYNTH_API int fluid_synth_handle_midi_event(void* data, fluid_midi_event_t* event);
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/**
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* Specifies the type of filter to use for the custom IIR filter
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*/
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enum fluid_iir_filter_type {
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FLUID_IIR_DISABLED = 0, /**< Custom IIR filter is not operating */
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FLUID_IIR_LOWPASS, /**< Custom IIR filter is operating as low-pass filter */
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FLUID_IIR_HIGHPASS, /**< Custom IIR filter is operating as high-pass filter */
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FLUID_IIR_LAST /**< @internal Value defines the count of filter types (#fluid_iir_filter_type) @warning This symbol is not part of the public API and ABI stability guarantee and may change at any time! */
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};
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/**
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* Specifies optional settings to use for the custom IIR filter
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*/
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enum fluid_iir_filter_flags {
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FLUID_IIR_Q_LINEAR = 1 << 0, /**< The Soundfont spec requires the filter Q to be interpreted in dB. If this flag is set the filter Q is instead assumed to be in a linear range */
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FLUID_IIR_Q_ZERO_OFF = 1 << 1, /**< If this flag the filter is switched off if Q == 0 (prior to any transformation) */
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FLUID_IIR_NO_GAIN_AMP = 1 << 2 /**< The Soundfont spec requires to correct the gain of the filter depending on the filter's Q. If this flag is set the filter gain will not be corrected. */
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};
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FLUIDSYNTH_API int fluid_synth_set_custom_filter(fluid_synth_t*, int type, int flags);
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/* LADSPA */
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FLUIDSYNTH_API fluid_ladspa_fx_t *fluid_synth_get_ladspa_fx(fluid_synth_t *synth);
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/* API: Poly mono mode */
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/** Interface to poly/mono mode variables
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*
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* Channel mode bits OR-ed together so that it matches with the midi spec: poly omnion (0), mono omnion (1), poly omnioff (2), mono omnioff (3)
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*/
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enum fluid_channel_mode_flags
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{
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FLUID_CHANNEL_POLY_OFF = 0x01, /**< if flag is set, the basic channel is in mono on state, if not set poly is on */
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FLUID_CHANNEL_OMNI_OFF = 0x02, /**< if flag is set, the basic channel is in omni off state, if not set omni is on */
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};
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/** Indicates the breath mode a channel is set to */
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enum fluid_channel_breath_flags
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{
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FLUID_CHANNEL_BREATH_POLY = 0x10, /**< when channel is poly, this flag indicates that the default velocity to initial attenuation modulator is replaced by a breath to initial attenuation modulator */
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FLUID_CHANNEL_BREATH_MONO = 0x20, /**< when channel is mono, this flag indicates that the default velocity to initial attenuation modulator is replaced by a breath modulator */
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FLUID_CHANNEL_BREATH_SYNC = 0x40, /**< when channel is mono, this flag indicates that the breath controler(MSB)triggers noteon/noteoff on the running note */
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};
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/** Indicates the mode a basic channel is set to */
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enum fluid_basic_channel_modes
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{
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FLUID_CHANNEL_MODE_MASK = (FLUID_CHANNEL_OMNI_OFF | FLUID_CHANNEL_POLY_OFF), /**< Mask Poly and Omni bits of #fluid_channel_mode_flags, usually only used internally */
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FLUID_CHANNEL_MODE_OMNION_POLY = FLUID_CHANNEL_MODE_MASK & (~FLUID_CHANNEL_OMNI_OFF & ~FLUID_CHANNEL_POLY_OFF), /**< corresponds to MIDI mode 0 */
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FLUID_CHANNEL_MODE_OMNION_MONO = FLUID_CHANNEL_MODE_MASK & (~FLUID_CHANNEL_OMNI_OFF & FLUID_CHANNEL_POLY_OFF), /**< corresponds to MIDI mode 1 */
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FLUID_CHANNEL_MODE_OMNIOFF_POLY = FLUID_CHANNEL_MODE_MASK & (FLUID_CHANNEL_OMNI_OFF & ~FLUID_CHANNEL_POLY_OFF), /**< corresponds to MIDI mode 2 */
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FLUID_CHANNEL_MODE_OMNIOFF_MONO = FLUID_CHANNEL_MODE_MASK & (FLUID_CHANNEL_OMNI_OFF | FLUID_CHANNEL_POLY_OFF), /**< corresponds to MIDI mode 3 */
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FLUID_CHANNEL_MODE_LAST /**< @internal Value defines the count of basic channel modes (#fluid_basic_channel_modes) @warning This symbol is not part of the public API and ABI stability guarantee and may change at any time! */
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};
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FLUIDSYNTH_API int fluid_synth_reset_basic_channel(fluid_synth_t* synth, int chan);
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FLUIDSYNTH_API int fluid_synth_get_basic_channel(fluid_synth_t* synth, int chan,
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int *basic_chan_out,
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int *mode_chan_out,
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int *basic_val_out );
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FLUIDSYNTH_API int fluid_synth_set_basic_channel(fluid_synth_t* synth, int chan, int mode, int val);
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/** Interface to mono legato mode
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*
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* Indicates the legato mode a channel is set to
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* n1,n2,n3,.. is a legato passage. n1 is the first note, and n2,n3,n4 are played legato with previous note. */
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enum fluid_channel_legato_mode
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{
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FLUID_CHANNEL_LEGATO_MODE_RETRIGGER, /**< Mode 0 - Release previous note, start a new note */
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FLUID_CHANNEL_LEGATO_MODE_MULTI_RETRIGGER, /**< Mode 1 - On contiguous notes retrigger in attack section using current value, shape attack using current dynamic and make use of previous voices if any */
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FLUID_CHANNEL_LEGATO_MODE_LAST /**< @internal Value defines the count of legato modes (#fluid_channel_legato_mode) @warning This symbol is not part of the public API and ABI stability guarantee and may change at any time! */
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};
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FLUIDSYNTH_API int fluid_synth_set_legato_mode(fluid_synth_t* synth, int chan, int legatomode);
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FLUIDSYNTH_API int fluid_synth_get_legato_mode(fluid_synth_t* synth, int chan, int *legatomode);
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/** Interface to portamento mode
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*
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* Indicates the portamento mode a channel is set to
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*/
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enum fluid_channel_portamento_mode
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{
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FLUID_CHANNEL_PORTAMENTO_MODE_EACH_NOTE, /**< Mode 0 - Portamento on each note (staccato or legato) */
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FLUID_CHANNEL_PORTAMENTO_MODE_LEGATO_ONLY, /**< Mode 1 - Portamento only on legato note */
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FLUID_CHANNEL_PORTAMENTO_MODE_STACCATO_ONLY, /**< Mode 2 - Portamento only on staccato note */
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FLUID_CHANNEL_PORTAMENTO_MODE_LAST /**< @internal Value defines the count of portamento modes (#fluid_channel_portamento_mode) @warning This symbol is not part of the public API and ABI stability guarantee and may change at any time! */
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};
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FLUIDSYNTH_API int fluid_synth_set_portamento_mode(fluid_synth_t* synth,
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int chan, int portamentomode);
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FLUIDSYNTH_API int fluid_synth_get_portamento_mode(fluid_synth_t* synth,
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int chan, int * portamentomode);
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/* Interface to breath mode */
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FLUIDSYNTH_API int fluid_synth_set_breath_mode(fluid_synth_t* synth,
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int chan, int breathmode);
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FLUIDSYNTH_API int fluid_synth_get_breath_mode(fluid_synth_t* synth,
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int chan, int *breathmode);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _FLUIDSYNTH_SYNTH_H */
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