/* 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_CHAN_H #define _FLUID_CHAN_H #include "fluidsynth_priv.h" #include "fluid_midi.h" #include "fluid_tuning.h" /* * fluid_channel_t * * Mutual exclusion notes (as of 1.1.2): * None - everything should have been synchronized by the synth. */ struct _fluid_channel_t { fluid_mutex_t mutex; /* Lock for thread sensitive parameters */ fluid_synth_t* synth; /**< Parent synthesizer instance */ int channum; /**< MIDI channel number */ int sfont_bank_prog; /**< SoundFont ID (bit 21-31), bank (bit 7-20), program (bit 0-6) */ fluid_preset_t* preset; /**< Selected preset */ int key_pressure; /**< MIDI key pressure */ int channel_pressure; /**< MIDI channel pressure */ int pitch_bend; /**< Current pitch bend value */ int pitch_wheel_sensitivity; /**< Current pitch wheel sensitivity */ int cc[128]; /**< MIDI controller values */ /* Sostenuto order id gives the order of SostenutoOn event. This value is useful to known when the sostenuto pedal is depressed (before or after a key note). We need to compare SostenutoOrderId with voice id. */ unsigned int sostenuto_orderid; int interp_method; /**< Interpolation method (enum fluid_interp) */ fluid_tuning_t* tuning; /**< Micro tuning */ int tuning_bank; /**< Current tuning bank number */ int tuning_prog; /**< Current tuning program number */ /* NRPN system */ int nrpn_select; /* Generator ID of SoundFont NRPN message */ int nrpn_active; /* 1 if data entry CCs are for NRPN, 0 if RPN */ /* The values of the generators, set by NRPN messages, or by * fluid_synth_set_gen(), are cached in the channel so they can be * applied to future notes. They are copied to a voice's generators * in fluid_voice_init(), which calls fluid_gen_init(). */ fluid_real_t gen[GEN_LAST]; /* By default, the NRPN values are relative to the values of the * generators set in the SoundFont. For example, if the NRPN * specifies an attack of 100 msec then 100 msec will be added to the * combined attack time of the sound font and the modulators. * * However, it is useful to be able to specify the generator value * absolutely, completely ignoring the generators of the SoundFont * and the values of modulators. The gen_abs field, is a boolean * flag indicating whether the NRPN value is absolute or not. */ char gen_abs[GEN_LAST]; /* Drum channel flag, CHANNEL_TYPE_MELODIC, or CHANNEL_TYPE_DRUM. */ int channel_type; }; fluid_channel_t* new_fluid_channel(fluid_synth_t* synth, int num); void fluid_channel_init_ctrl(fluid_channel_t* chan, int is_all_ctrl_off); int delete_fluid_channel(fluid_channel_t* chan); void fluid_channel_reset(fluid_channel_t* chan); int fluid_channel_set_preset(fluid_channel_t* chan, fluid_preset_t* preset); fluid_preset_t* fluid_channel_get_preset(fluid_channel_t* chan); void fluid_channel_set_sfont_bank_prog(fluid_channel_t* chan, int sfont, int bank, int prog); void fluid_channel_set_bank_lsb(fluid_channel_t* chan, int banklsb); void fluid_channel_set_bank_msb(fluid_channel_t* chan, int bankmsb); void fluid_channel_get_sfont_bank_prog(fluid_channel_t* chan, int *sfont, int *bank, int *prog); int fluid_channel_get_num(fluid_channel_t* chan); void fluid_channel_set_interp_method(fluid_channel_t* chan, int new_method); int fluid_channel_get_interp_method(fluid_channel_t* chan); #define fluid_channel_get_preset(chan) ((chan)->preset) #define fluid_channel_set_cc(chan, num, val) \ ((chan)->cc[num] = (val)) #define fluid_channel_get_cc(chan, num) \ ((chan)->cc[num]) #define fluid_channel_get_key_pressure(chan) \ ((chan)->key_pressure) #define fluid_channel_set_key_pressure(chan, val) \ ((chan)->key_pressure = (val)) #define fluid_channel_get_channel_pressure(chan) \ ((chan)->channel_pressure) #define fluid_channel_set_channel_pressure(chan, val) \ ((chan)->channel_pressure = (val)) #define fluid_channel_get_pitch_bend(chan) \ ((chan)->pitch_bend) #define fluid_channel_set_pitch_bend(chan, val) \ ((chan)->pitch_bend = (val)) #define fluid_channel_get_pitch_wheel_sensitivity(chan) \ ((chan)->pitch_wheel_sensitivity) #define fluid_channel_set_pitch_wheel_sensitivity(chan, val) \ ((chan)->pitch_wheel_sensitivity = (val)) #define fluid_channel_get_num(chan) ((chan)->channum) #define fluid_channel_set_interp_method(chan, new_method) \ ((chan)->interp_method = (new_method)) #define fluid_channel_get_interp_method(chan) \ ((chan)->interp_method); #define fluid_channel_set_tuning(_c, _t) { (_c)->tuning = _t; } #define fluid_channel_has_tuning(_c) ((_c)->tuning != NULL) #define fluid_channel_get_tuning(_c) ((_c)->tuning) #define fluid_channel_get_tuning_bank(chan) \ ((chan)->tuning_bank) #define fluid_channel_set_tuning_bank(chan, bank) \ ((chan)->tuning_bank = (bank)) #define fluid_channel_get_tuning_prog(chan) \ ((chan)->tuning_prog) #define fluid_channel_set_tuning_prog(chan, prog) \ ((chan)->tuning_prog = (prog)) #define fluid_channel_sustained(_c) ((_c)->cc[SUSTAIN_SWITCH] >= 64) #define fluid_channel_sostenuto(_c) ((_c)->cc[SOSTENUTO_SWITCH] >= 64) #define fluid_channel_set_gen(_c, _n, _v, _a) { (_c)->gen[_n] = _v; (_c)->gen_abs[_n] = _a; } #define fluid_channel_get_gen(_c, _n) ((_c)->gen[_n]) #define fluid_channel_get_gen_abs(_c, _n) ((_c)->gen_abs[_n]) #define fluid_channel_get_min_note_length_ticks(chan) \ ((chan)->synth->min_note_length_ticks) #endif /* _FLUID_CHAN_H */