1 /** 2 * File name: mixer.h 3 * Project: Geonkick (A kick synthesizer) 4 * 5 * Copyright (C) 2020 Iurie Nistor <http://iuriepage.wordpress.com> 6 * 7 * This file is part of Geonkick. 8 * 9 * GeonKick is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 3 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 */ 23 24 #ifndef GKICK_MIXER_H 25 #define GKICK_MIXER_H 26 27 #include "audio_output.h" 28 29 struct gkick_mixer { 30 struct gkick_audio_output **audio_outputs; 31 size_t connection_matrix[127]; 32 _Atomic int solo; 33 _Atomic int limiter; 34 void (*limiter_callback) (void*, size_t index, gkick_real val); 35 void *limiter_callback_arg; 36 _Atomic size_t limiter_callback_index; 37 }; 38 39 enum geonkick_error 40 gkick_mixer_create(struct gkick_mixer **mixer); 41 42 enum geonkick_error 43 gkick_mixer_key_pressed(struct gkick_mixer *mixer, 44 struct gkick_note_info *note); 45 46 enum geonkick_error 47 gkick_mixer_tune_output(struct gkick_mixer *mixer, 48 size_t index, 49 bool tune); 50 51 enum geonkick_error 52 gkick_mixer_is_output_tuned(struct gkick_mixer *mixer, 53 size_t index, 54 bool *tune); 55 56 enum geonkick_error 57 gkick_mixer_get_frame(struct gkick_mixer *mixer, 58 int channel, 59 gkick_real *val); 60 61 enum geonkick_error 62 gkick_mixer_process(struct gkick_mixer *mixer, 63 float** out, 64 size_t offset, 65 size_t size); 66 67 void 68 gkick_mixer_set_leveler(struct gkick_mixer *mixer, 69 size_t index, 70 gkick_real val); 71 72 73 void 74 gkick_mixer_free(struct gkick_mixer **mixer); 75 76 enum geonkick_error 77 gkick_mixer_limiter_set(struct gkick_mixer *mixer, 78 size_t index, 79 gkick_real val); 80 81 enum geonkick_error 82 gkick_mixer_limiter_get(struct gkick_mixer *mixer, 83 size_t index, 84 gkick_real *val); 85 86 enum geonkick_error 87 gkick_mixer_mute(struct gkick_mixer *mixer, size_t id, bool b); 88 89 enum geonkick_error 90 gkick_mixer_is_muted(struct gkick_mixer *mixer, size_t id, bool *b); 91 92 enum geonkick_error 93 gkick_mixer_solo(struct gkick_mixer *mixer, size_t id, bool b); 94 95 enum geonkick_error 96 gkick_mixer_is_solo(struct gkick_mixer *mixer, size_t id, bool *b); 97 98 enum geonkick_error 99 gkick_mixer_set_limiter_callback(struct gkick_mixer *mixer, 100 void (*callback)(void*, size_t index, gkick_real val), 101 void *arg); 102 103 #endif // GKICK_MIXER_H 104