[169] | 1 | //midi.h: |
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| 2 | |
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[668] | 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
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| 5 | * |
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| 6 | * This file is part of roard a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * RoarAudio is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 22 | * |
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| 23 | */ |
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| 24 | |
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[169] | 25 | #ifndef _MIDI_H_ |
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| 26 | #define _MIDI_H_ |
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| 27 | |
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| 28 | #include <roaraudio.h> |
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| 29 | |
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[188] | 30 | #ifdef __linux__ |
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| 31 | #include <sys/ioctl.h> |
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| 32 | #include <linux/kd.h> |
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| 33 | #endif |
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| 34 | |
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[189] | 35 | #define MIDI_CB_NOOVERRIDE 0 |
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| 36 | #define MIDI_CB_OVERRIDE 1 |
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| 37 | |
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[1848] | 38 | #define MIDI_RATE 31250 |
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| 39 | |
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[1852] | 40 | // standard MIDI commands: |
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| 41 | #define MIDI_TYPE_NOTE_ON 0x80 |
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| 42 | #define MIDI_TYPE_NOTE_OFF 0x90 |
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| 43 | #define MIDI_TYPE_PA 0xA0 |
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| 44 | #define MIDI_TYPE_CONTROLER 0xB0 |
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| 45 | #define MIDI_TYPE_PROGRAM 0xC0 |
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[1864] | 46 | #define MIDI_TYPE_MA 0xD0 |
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[1852] | 47 | #define MIDI_TYPE_PB 0xE0 |
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| 48 | #define MIDI_TYPE_SYSEX 0xF0 |
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| 49 | #define MIDI_TYPE_CLOCK_TICK 0xF8 |
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| 50 | #define MIDI_TYPE_CLOCK_START 0xFA |
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| 51 | #define MIDI_TYPE_CLOCK_STOP 0xFC |
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| 52 | |
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| 53 | // RoarAudio MIDI Commands: |
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| 54 | #define MIDI_TYPE_NONE 0x00 |
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| 55 | #define MIDI_TYPE_RAW_PASS 0x10 |
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| 56 | #define MIDI_TYPE_RAW_NOPASS 0x20 |
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| 57 | |
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| 58 | #define MIDI_MES_BUFSIZE 4 |
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[1858] | 59 | #define MIDI_READ_SIZE 256 /* this should be big enoth in both cfreq=20..100Hz mode */ |
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[1852] | 60 | |
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| 61 | #define MIDI_MFLAG_FREE_DP (1<<0) |
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| 62 | |
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| 63 | struct midi_message { |
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| 64 | unsigned char type; |
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| 65 | unsigned char channel; |
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| 66 | unsigned char flags; |
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| 67 | unsigned char kk; |
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| 68 | unsigned char vv; |
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| 69 | size_t datalen; |
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| 70 | unsigned char * dataptr; |
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| 71 | union { |
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| 72 | unsigned char ldata[MIDI_MES_BUFSIZE]; |
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| 73 | struct roar_note_octave note; |
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| 74 | } d; |
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| 75 | }; |
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| 76 | |
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[1863] | 77 | struct { |
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| 78 | struct roar_buffer * buf; |
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| 79 | } g_midi_mess; |
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[1852] | 80 | |
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[1853] | 81 | struct { |
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| 82 | int console; |
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| 83 | int stream; |
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| 84 | uint32_t stoptime; |
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| 85 | int playing; |
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| 86 | } g_midi_cb; |
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[1848] | 87 | |
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[1850] | 88 | struct { |
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| 89 | int stream; |
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| 90 | uint_least32_t bph; // beats per hour |
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[1852] | 91 | uint_least32_t spt; // samples per tick |
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| 92 | uint32_t nt; // time of next tick |
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[1850] | 93 | } g_midi_clock; |
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[192] | 94 | |
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[1858] | 95 | |
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| 96 | // general midi interface: |
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[185] | 97 | int midi_init (void); |
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| 98 | int midi_free (void); |
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| 99 | |
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[1841] | 100 | int midi_update(void); |
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[1855] | 101 | int midi_reinit(void); |
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[1841] | 102 | |
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[1858] | 103 | // streams: |
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[1841] | 104 | int midi_check_stream (int id); |
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| 105 | int midi_send_stream (int id); |
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| 106 | |
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[1858] | 107 | int midi_conv_midi2mes (int id); |
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| 108 | int midi_conv_mes2midi (int id); |
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| 109 | |
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[1863] | 110 | int midi_new_bufmes (struct roar_buffer ** buf, struct midi_message ** mes); |
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[1866] | 111 | int midi_add_buf (int id, struct roar_buffer * buf); |
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[1863] | 112 | |
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[1858] | 113 | // bridges: |
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[1848] | 114 | int midi_check_bridge (int id); |
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| 115 | |
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[1858] | 116 | // clock: |
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[1848] | 117 | int midi_clock_init (void); |
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[1852] | 118 | int midi_clock_set_bph (uint_least32_t bph); |
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| 119 | int midi_clock_tick (void); |
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[1848] | 120 | |
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[185] | 121 | // cb = console beep |
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[1843] | 122 | int midi_cb_init(void); |
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| 123 | int midi_cb_free(void); |
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[185] | 124 | int midi_cb_play(float t, float freq, int override); |
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[190] | 125 | int midi_cb_update (void); |
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[185] | 126 | int midi_cb_start(float freq); |
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| 127 | int midi_cb_stop (void); |
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| 128 | |
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[1848] | 129 | // dummys: |
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| 130 | int midi_vio_set_dummy(int stream); |
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| 131 | int midi_vio_ok(struct roar_vio_calls * vio, ...); |
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| 132 | |
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[169] | 133 | #endif |
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| 134 | |
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| 135 | //ll |
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