[169] | 1 | //midi.c: |
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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 | #include "roard.h" |
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| 26 | |
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[2500] | 27 | #ifndef ROAR_WITHOUT_DCOMP_MIDI |
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| 28 | |
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[1751] | 29 | #if defined(ROAR_HAVE_IO_POSIX) && !defined(ROAR_TARGET_WIN32) |
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| 30 | #define _HAVE_CONSOLE |
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| 31 | #endif |
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| 32 | |
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[1924] | 33 | int midi_init_config(void) { |
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| 34 | midi_config.init = 1; |
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| 35 | midi_config.inited = 0; |
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[2487] | 36 | |
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| 37 | #ifndef ROAR_WITHOUT_DCOMP_CB |
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[2445] | 38 | midi_config.init_cb = 0; |
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[1924] | 39 | midi_config.console_dev = NULL; |
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[2487] | 40 | #endif |
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[1924] | 41 | |
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| 42 | return 0; |
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| 43 | } |
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| 44 | |
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[185] | 45 | int midi_init (void) { |
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[2943] | 46 | struct roar_stream_server * ss; |
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[3215] | 47 | int i; |
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[1843] | 48 | |
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[1924] | 49 | midi_config.inited = 0; |
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[1843] | 50 | |
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[1924] | 51 | if ( midi_config.init ) { |
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[2487] | 52 | #ifndef ROAR_WITHOUT_DCOMP_CB |
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[1924] | 53 | if ( midi_config.init_cb ) { |
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| 54 | if ( midi_cb_init() == -1 ) { |
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| 55 | ROAR_WARN("Can not initialize MIDI subsystem component CB"); |
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| 56 | } |
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| 57 | } |
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[2487] | 58 | #endif |
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[1924] | 59 | |
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| 60 | if ( midi_clock_init() == -1 ) { |
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| 61 | ROAR_WARN("Can not initialize MIDI subsystem component clock"); |
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| 62 | } |
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| 63 | |
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[1848] | 64 | } |
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| 65 | |
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[1863] | 66 | g_midi_mess.buf = NULL; |
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| 67 | |
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[2943] | 68 | if ( (g_midi_mixer.stream = add_mixer(ROAR_SUBSYS_MIDI, _MIXER_NAME("MIDI"), &ss)) == -1 ) { |
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[2941] | 69 | ROAR_WARN("Can not create MIDI mixer"); |
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| 70 | } |
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[2943] | 71 | ss->state = ROAR_STREAMSTATE_OLD; |
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[2941] | 72 | |
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[3215] | 73 | for (i = 0; i < ROAR_STREAMS_MAX; i++) { |
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| 74 | if ( g_streams[i] != NULL ) { |
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| 75 | if ( streams_get_subsys(i) == ROAR_SUBSYS_MIDI ) { |
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| 76 | streams_set_mixer_stream(i, g_midi_mixer.stream); |
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| 77 | } |
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| 78 | } |
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| 79 | } |
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| 80 | |
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[1924] | 81 | midi_config.inited |= MIDI_INITED_MAIN; |
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| 82 | |
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[1843] | 83 | return 0; |
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| 84 | } |
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[1848] | 85 | |
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[1843] | 86 | int midi_free (void) { |
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[1924] | 87 | if ( midi_reinit() == -1 ) |
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| 88 | return -1; |
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| 89 | |
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[2487] | 90 | #ifndef ROAR_WITHOUT_DCOMP_CB |
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[1924] | 91 | if ( midi_cb_free() == -1 ) |
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| 92 | return -1; |
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[2487] | 93 | #endif |
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[1924] | 94 | |
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| 95 | return 0; |
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[1843] | 96 | } |
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| 97 | |
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| 98 | int midi_update(void) { |
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[1848] | 99 | |
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[1850] | 100 | if ( g_midi_clock.stream != -1 ) |
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| 101 | midi_check_bridge(g_midi_clock.stream); |
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[1848] | 102 | |
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[2489] | 103 | #ifndef ROAR_WITHOUT_DCOMP_SSYNTH |
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[2461] | 104 | midi_conv_mes2ssynth(); |
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[2489] | 105 | #endif |
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[2461] | 106 | |
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[2487] | 107 | #ifndef ROAR_WITHOUT_DCOMP_CB |
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[1843] | 108 | return midi_cb_update(); |
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[2487] | 109 | #else |
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| 110 | return 0; |
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| 111 | #endif |
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[1843] | 112 | } |
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| 113 | |
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[1855] | 114 | int midi_reinit(void) { |
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[1868] | 115 | |
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| 116 | if ( g_midi_mess.buf != NULL ) |
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| 117 | roar_buffer_free(g_midi_mess.buf); |
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| 118 | |
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| 119 | g_midi_mess.buf = NULL; |
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| 120 | |
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[1855] | 121 | return 0; |
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| 122 | } |
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| 123 | |
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[1845] | 124 | // STREAMS: |
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| 125 | |
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| 126 | int midi_check_stream (int id) { |
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[1846] | 127 | struct roar_stream * s; |
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| 128 | struct roar_stream_server * ss; |
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[1858] | 129 | struct roar_buffer * b; |
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| 130 | char * buf; |
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| 131 | ssize_t len; |
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[1846] | 132 | |
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| 133 | if ( g_streams[id] == NULL ) |
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| 134 | return -1; |
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| 135 | |
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| 136 | ROAR_DBG("midi_check_stream(id=%i) = ?", id); |
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| 137 | |
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| 138 | s = ROAR_STREAM(ss = g_streams[id]); |
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| 139 | |
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[1848] | 140 | if ( s->dir == ROAR_DIR_BRIDGE ) |
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| 141 | return midi_check_bridge(id); |
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| 142 | |
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[1846] | 143 | switch (s->info.codec) { |
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[1858] | 144 | case ROAR_CODEC_MIDI: |
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| 145 | break; |
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| 146 | default: |
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| 147 | streams_delete(id); |
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| 148 | return -1; |
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| 149 | } |
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| 150 | |
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| 151 | if ( roar_buffer_new(&b, MIDI_READ_SIZE) == -1 ) { |
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| 152 | ROAR_ERR("midi_check_stream(*): Can not alloc buffer space!"); |
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| 153 | ROAR_DBG("midi_check_stream(*) = -1"); |
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| 154 | return -1; |
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| 155 | } |
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| 156 | |
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| 157 | roar_buffer_get_data(b, (void **)&buf); |
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| 158 | |
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| 159 | if ( (len = stream_vio_s_read(ss, buf, MIDI_READ_SIZE)) < 1 ) { |
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| 160 | streams_delete(id); |
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[1862] | 161 | roar_buffer_free(b); |
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[1858] | 162 | return -1; |
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| 163 | } |
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| 164 | |
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| 165 | roar_buffer_set_len(b, len); |
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| 166 | |
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[1859] | 167 | if ( stream_add_buffer(id, b) == -1 ) { |
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| 168 | roar_buffer_free(b); |
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| 169 | streams_delete(id); |
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| 170 | return -1; |
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| 171 | } |
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| 172 | |
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[1858] | 173 | switch (s->info.codec) { |
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| 174 | case ROAR_CODEC_MIDI: |
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| 175 | return midi_conv_midi2mes(id); |
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| 176 | break; |
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[1846] | 177 | default: |
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| 178 | streams_delete(id); |
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| 179 | return -1; |
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| 180 | } |
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| 181 | |
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| 182 | return 0; |
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[1845] | 183 | } |
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[1846] | 184 | |
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[1845] | 185 | int midi_send_stream (int id) { |
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[1846] | 186 | struct roar_stream * s; |
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| 187 | struct roar_stream_server * ss; |
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| 188 | |
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| 189 | if ( g_streams[id] == NULL ) |
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| 190 | return -1; |
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| 191 | |
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| 192 | ROAR_DBG("midi_send_stream(id=%i) = ?", id); |
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| 193 | |
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| 194 | s = ROAR_STREAM(ss = g_streams[id]); |
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| 195 | |
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| 196 | switch (s->info.codec) { |
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[1877] | 197 | case ROAR_CODEC_MIDI: |
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| 198 | return midi_conv_mes2midi(id); |
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| 199 | break; |
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[1846] | 200 | default: |
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| 201 | streams_delete(id); |
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| 202 | return -1; |
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| 203 | } |
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| 204 | |
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| 205 | return 0; |
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[1845] | 206 | } |
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| 207 | |
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[1858] | 208 | int midi_conv_midi2mes (int id) { |
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[1863] | 209 | unsigned char * data; |
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| 210 | struct roar_stream * s; |
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| 211 | struct roar_stream_server * ss; |
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| 212 | struct roar_buffer * buf = NULL; |
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| 213 | struct midi_message * mes = NULL; |
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[1879] | 214 | size_t need = 0, have = 0, last_have = 0, old_have = 0; |
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[1863] | 215 | int alive = 1; |
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| 216 | |
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| 217 | if ( g_streams[id] == NULL ) |
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| 218 | return -1; |
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| 219 | |
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| 220 | ROAR_DBG("midi_conv_midi2mes(id=%i) = ?", id); |
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| 221 | |
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| 222 | s = ROAR_STREAM(ss = g_streams[id]); |
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| 223 | |
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| 224 | while (ss->buffer != NULL && alive) { |
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| 225 | if ( roar_buffer_get_data(ss->buffer, (void**)&data) == -1 ) { |
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| 226 | alive = 0; |
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| 227 | continue; |
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| 228 | } |
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| 229 | |
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| 230 | if ( roar_buffer_get_len(ss->buffer, &have) == -1 ) { |
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| 231 | alive = 0; |
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| 232 | continue; |
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| 233 | } |
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[1879] | 234 | old_have = have; |
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[1863] | 235 | |
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| 236 | while (have && alive) { |
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| 237 | if ( *data & 0x80 ) { |
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[1865] | 238 | if ( buf != NULL ) { |
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[1866] | 239 | midi_add_buf(id, buf); |
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[1865] | 240 | buf = NULL; |
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| 241 | } |
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| 242 | |
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[1879] | 243 | last_have = have; |
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| 244 | |
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[1863] | 245 | need = 0; |
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| 246 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
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| 247 | alive = 0; |
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| 248 | continue; |
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| 249 | } |
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[1865] | 250 | |
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| 251 | if (*data == MIDI_TYPE_CLOCK_TICK || *data == MIDI_TYPE_CLOCK_START || *data == MIDI_TYPE_CLOCK_STOP ) { |
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| 252 | mes->type = *data; |
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[1891] | 253 | |
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| 254 | if ( *data == MIDI_TYPE_CLOCK_TICK ) { |
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| 255 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, 1); |
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| 256 | } |
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[1865] | 257 | } else { |
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| 258 | mes->type = *data & 0xF0; |
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| 259 | mes->channel = *data & 0x0F; |
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| 260 | switch (*data & 0xF0) { |
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| 261 | case MIDI_TYPE_NOTE_ON: |
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| 262 | case MIDI_TYPE_NOTE_OFF: |
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| 263 | need = 2; |
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| 264 | break; |
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| 265 | case MIDI_TYPE_PA: |
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| 266 | need = 2; |
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| 267 | break; |
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| 268 | case MIDI_TYPE_CONTROLER: |
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| 269 | need = 2; |
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| 270 | break; |
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| 271 | case MIDI_TYPE_PROGRAM: |
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| 272 | need = 1; |
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| 273 | break; |
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| 274 | case MIDI_TYPE_MA: |
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| 275 | need = 1; |
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| 276 | break; |
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| 277 | case MIDI_TYPE_PB: |
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| 278 | case MIDI_TYPE_SYSEX: |
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| 279 | need = 1; |
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| 280 | break; |
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| 281 | } |
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| 282 | } |
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| 283 | |
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[1863] | 284 | } else { |
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[1871] | 285 | |
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| 286 | if ( mes == NULL ) { |
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| 287 | ROAR_WARN("midi_conv_midi2mes(id=%i): Lost sync.", id); |
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| 288 | data++; |
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| 289 | have--; |
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| 290 | continue; |
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| 291 | } |
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| 292 | |
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| 293 | switch (mes->type) { |
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[1873] | 294 | case MIDI_TYPE_NOTE_ON: |
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| 295 | case MIDI_TYPE_NOTE_OFF: |
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[1881] | 296 | if ( need == 2 ) { |
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| 297 | roar_midi_note_from_midiid(&(mes->d.note), *data); |
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[2409] | 298 | |
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| 299 | // if velocity is zero we have a NOTE OFF event |
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| 300 | if ( data[1] == 0 ) |
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| 301 | mes->type = MIDI_TYPE_NOTE_OFF; |
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[1881] | 302 | } |
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[1874] | 303 | case MIDI_TYPE_PA: |
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| 304 | case MIDI_TYPE_CONTROLER: |
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[1873] | 305 | if ( need == 2 ) { |
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| 306 | mes->kk = *data; |
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| 307 | } else { |
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| 308 | mes->vv = *data; |
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| 309 | } |
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| 310 | break; |
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| 311 | case MIDI_TYPE_PROGRAM: |
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| 312 | case MIDI_TYPE_MA: |
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[1874] | 313 | mes->vv = *data; |
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| 314 | break; |
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[1873] | 315 | case MIDI_TYPE_PB: |
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| 316 | case MIDI_TYPE_SYSEX: |
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[1874] | 317 | ROAR_WARN("midi_conv_midi2mes(id=%i): Message of Type 0x%.2X (PB or SysEx) not yet supported", id, mes->type); |
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[1873] | 318 | break; |
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[1871] | 319 | } |
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| 320 | |
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[1863] | 321 | if ( need ) |
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| 322 | need--; |
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[1893] | 323 | |
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| 324 | if ( !need ) { |
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| 325 | switch (mes->type) { |
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| 326 | case MIDI_TYPE_CONTROLER: |
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| 327 | switch (mes->kk) { |
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| 328 | case MIDI_CCE_MAIN_VOL: |
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| 329 | if ( 516 * mes->vv > 65100 ) { // max volume |
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| 330 | ss->mixer.mixer[mes->channel] = 65535; |
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| 331 | } else { |
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| 332 | ss->mixer.mixer[mes->channel] = 516 * mes->vv; |
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| 333 | } |
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| 334 | break; |
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| 335 | } |
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| 336 | break; |
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| 337 | } |
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| 338 | } |
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| 339 | |
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[1863] | 340 | } |
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| 341 | data++; |
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| 342 | have--; |
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| 343 | } |
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| 344 | |
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[1865] | 345 | if ( need ) { |
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[1879] | 346 | if ( roar_buffer_set_offset(ss->buffer, old_have - last_have) == -1 ) { |
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| 347 | ROAR_ERR("midi_conv_midi2mes(*): FIXME: BUG!!! Need to restore buffer here with corrected length"); |
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| 348 | } |
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[1865] | 349 | } else if ( !have ) { |
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[1863] | 350 | roar_buffer_next(&(ss->buffer)); |
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| 351 | } |
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| 352 | |
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| 353 | if ( need && buf != NULL ) { |
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| 354 | roar_buffer_free(buf); |
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| 355 | buf = NULL; |
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| 356 | } else if ( buf != NULL ) { |
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[1866] | 357 | midi_add_buf(id, buf); |
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[1863] | 358 | buf = NULL; |
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| 359 | } |
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| 360 | } |
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| 361 | |
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| 362 | return 0; |
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[1858] | 363 | } |
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| 364 | |
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[1877] | 365 | #define _nb len++; *(d++) |
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[1858] | 366 | int midi_conv_mes2midi (int id) { |
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[1877] | 367 | struct roar_stream * s; |
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| 368 | struct roar_stream_server * ss; |
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| 369 | struct roar_buffer * buf = g_midi_mess.buf; |
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| 370 | struct midi_message * mes = NULL; |
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| 371 | unsigned char data[3]; |
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| 372 | unsigned char * d; |
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| 373 | int len; |
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[1909] | 374 | int send_clock; |
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[1877] | 375 | |
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| 376 | if ( g_streams[id] == NULL ) |
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| 377 | return -1; |
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| 378 | |
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| 379 | ROAR_DBG("midi_conv_mes2midi(id=%i) = ?", id); |
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| 380 | |
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| 381 | s = ROAR_STREAM(ss = g_streams[id]); |
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| 382 | |
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[1909] | 383 | send_clock = streams_get_flag(id, ROAR_FLAG_SYNC); |
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| 384 | |
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[1877] | 385 | while (buf != NULL) { |
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| 386 | if ( roar_buffer_get_data(buf, (void**)&mes) == -1 ) { |
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| 387 | return -1; |
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| 388 | } |
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| 389 | |
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| 390 | if (mes->type == MIDI_TYPE_CLOCK_TICK || mes->type == MIDI_TYPE_CLOCK_START || mes->type == MIDI_TYPE_CLOCK_STOP ) { |
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[1910] | 391 | if ( send_clock ) { |
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[1909] | 392 | if ( stream_vio_s_write(ss, &(mes->type), 1) != 1 ) { |
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| 393 | streams_delete(id); |
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| 394 | return -1; |
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| 395 | } |
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[1877] | 396 | } |
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[1896] | 397 | |
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| 398 | if ( mes->type == MIDI_TYPE_CLOCK_TICK ) { |
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| 399 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, 1); |
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| 400 | } |
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[1877] | 401 | } else { |
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| 402 | len = 0; |
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| 403 | d = data; |
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| 404 | |
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| 405 | _nb = (mes->type & 0xF0) | (mes->channel & 0x0F); |
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| 406 | |
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| 407 | switch (mes->type) { |
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[1898] | 408 | case MIDI_TYPE_CONTROLER: |
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| 409 | switch (mes->kk) { |
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| 410 | case MIDI_CCE_MAIN_VOL: |
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| 411 | if ( 516 * mes->vv > 65100 ) { // max volume |
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| 412 | ss->mixer.mixer[mes->channel] = 65535; |
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| 413 | } else { |
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| 414 | ss->mixer.mixer[mes->channel] = 516 * mes->vv; |
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| 415 | } |
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| 416 | break; |
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| 417 | } |
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[1877] | 418 | case MIDI_TYPE_NOTE_ON: |
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| 419 | case MIDI_TYPE_NOTE_OFF: |
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| 420 | case MIDI_TYPE_PA: |
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| 421 | _nb = mes->kk; |
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| 422 | _nb = mes->vv; |
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| 423 | break; |
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| 424 | case MIDI_TYPE_PROGRAM: |
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| 425 | case MIDI_TYPE_MA: |
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| 426 | _nb = mes->vv; |
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| 427 | break; |
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| 428 | case MIDI_TYPE_PB: |
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| 429 | case MIDI_TYPE_SYSEX: |
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| 430 | break; |
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| 431 | } |
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| 432 | |
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| 433 | if ( stream_vio_s_write(ss, data, len) != len ) { |
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| 434 | streams_delete(id); |
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| 435 | return -1; |
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| 436 | } |
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| 437 | } |
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| 438 | |
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| 439 | if ( roar_buffer_get_next(buf, &buf) == -1 ) |
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| 440 | buf = NULL; |
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| 441 | } |
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| 442 | |
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| 443 | return 0; |
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[1858] | 444 | } |
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[1877] | 445 | #undef _nb |
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[1858] | 446 | |
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[2489] | 447 | #ifndef ROAR_WITHOUT_DCOMP_SSYNTH |
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[2461] | 448 | int midi_conv_mes2ssynth(void) { |
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[2462] | 449 | struct roar_buffer * buf = g_midi_mess.buf; |
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| 450 | struct midi_message * mes = NULL; |
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| 451 | |
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| 452 | while (buf != NULL) { |
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| 453 | if ( roar_buffer_get_data(buf, (void**)&mes) == -1 ) { |
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| 454 | return -1; |
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| 455 | } |
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| 456 | |
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| 457 | if ( ssynth_eval_message(mes) == -1 ) |
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| 458 | return -1; |
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| 459 | |
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| 460 | if ( roar_buffer_get_next(buf, &buf) == -1 ) |
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| 461 | buf = NULL; |
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| 462 | } |
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| 463 | |
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| 464 | return 0; |
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[2461] | 465 | } |
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[2489] | 466 | #endif |
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[2461] | 467 | |
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[1863] | 468 | int midi_new_bufmes (struct roar_buffer ** buf, struct midi_message ** mes) { |
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| 469 | if ( buf == NULL || mes == NULL ) |
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| 470 | return -1; |
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| 471 | |
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[1867] | 472 | *buf = (void*)(*mes = NULL); |
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[1863] | 473 | |
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| 474 | if ( roar_buffer_new(buf, sizeof(struct midi_message)) == -1 ) |
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| 475 | return -1; |
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| 476 | |
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| 477 | if ( roar_buffer_get_data(*buf, (void**)mes) == -1 ) { |
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| 478 | roar_buffer_free(*buf); |
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[1867] | 479 | *buf = (void*)(*mes = NULL); |
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[1863] | 480 | return -1; |
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| 481 | } |
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| 482 | |
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| 483 | memset((void*)*mes, 0, sizeof(struct midi_message)); |
---|
| 484 | |
---|
| 485 | (*mes)->type = MIDI_TYPE_NONE; |
---|
| 486 | |
---|
| 487 | return 0; |
---|
| 488 | } |
---|
| 489 | |
---|
[1866] | 490 | int midi_add_buf (int id, struct roar_buffer * buf) { |
---|
[1869] | 491 | struct midi_message * mes; |
---|
| 492 | |
---|
[1866] | 493 | if ( id == -1 || buf == NULL ) |
---|
| 494 | return -1; |
---|
| 495 | |
---|
[1872] | 496 | if ( roar_buffer_get_data(buf, (void**)&mes) == -1 ) |
---|
[1869] | 497 | return -1; |
---|
| 498 | |
---|
[1878] | 499 | ROAR_DBG("midi_add_buf(id=%i, buf=%p) = ?", id, buf); |
---|
| 500 | ROAR_DBG("midi_add_buf(*): MIDI Message of Type 0x%.2X", mes->type); |
---|
| 501 | ROAR_DBG("midi_add_buf(*): Channel: %i", mes->channel); |
---|
| 502 | ROAR_DBG("midi_add_buf(*): flags=0x%.2X", mes->flags); |
---|
| 503 | ROAR_DBG("midi_add_buf(*): kk=0x%.2X, vv=0x%.2X", mes->kk, mes->vv); |
---|
[1869] | 504 | |
---|
[1866] | 505 | if ( g_midi_mess.buf == NULL ) { |
---|
| 506 | g_midi_mess.buf = buf; |
---|
| 507 | } else { |
---|
| 508 | roar_buffer_add(g_midi_mess.buf, buf); |
---|
| 509 | } |
---|
| 510 | |
---|
| 511 | return 0; |
---|
| 512 | } |
---|
| 513 | |
---|
[1848] | 514 | // bridges: |
---|
| 515 | int midi_check_bridge (int id) { |
---|
[1851] | 516 | |
---|
[1860] | 517 | ROAR_DBG("midi_check_bridge(id=%i) = ?", id); |
---|
[1851] | 518 | |
---|
| 519 | if ( id == g_midi_clock.stream ) { |
---|
| 520 | midi_clock_tick(); |
---|
| 521 | |
---|
| 522 | return 0; |
---|
| 523 | } |
---|
| 524 | |
---|
[1848] | 525 | return -1; |
---|
| 526 | } |
---|
| 527 | |
---|
| 528 | // clock: |
---|
| 529 | |
---|
| 530 | int midi_clock_init (void) { |
---|
| 531 | struct roar_stream * s; |
---|
| 532 | struct roar_stream_server * ss; |
---|
| 533 | |
---|
[1850] | 534 | if ( (g_midi_clock.stream = streams_new()) == -1 ) { |
---|
[1848] | 535 | ROAR_WARN("Error while initializing MIDI subsystem component clock"); |
---|
| 536 | return -1; |
---|
| 537 | } |
---|
| 538 | |
---|
[2915] | 539 | client_stream_add(g_self_client, g_midi_clock.stream); |
---|
| 540 | |
---|
[1850] | 541 | midi_vio_set_dummy(g_midi_clock.stream); |
---|
[1848] | 542 | |
---|
[1850] | 543 | streams_get(g_midi_clock.stream, &ss); |
---|
[1848] | 544 | s = ROAR_STREAM(ss); |
---|
| 545 | |
---|
| 546 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
---|
| 547 | |
---|
[1850] | 548 | s->pos_rel_id = g_midi_clock.stream; |
---|
[1848] | 549 | |
---|
| 550 | s->info.codec = ROAR_CODEC_MIDI; |
---|
| 551 | ss->codec_orgi = ROAR_CODEC_MIDI; |
---|
| 552 | |
---|
[2401] | 553 | s->info.channels = 1; // we have only one channel, ticking on channel 0 |
---|
[2400] | 554 | s->info.rate = ROAR_MIDI_TICKS_PER_BEAT; // one beat per sec |
---|
| 555 | s->info.bits = ROAR_MIDI_BITS; |
---|
[1848] | 556 | |
---|
[1850] | 557 | if ( streams_set_dir(g_midi_clock.stream, ROAR_DIR_BRIDGE, 1) == -1 ) { |
---|
[1848] | 558 | ROAR_WARN("Error while initializing MIDI subsystem component clock"); |
---|
| 559 | return -1; |
---|
| 560 | } |
---|
| 561 | |
---|
[1850] | 562 | streams_set_name(g_midi_clock.stream, "MIDI Clock"); |
---|
[1848] | 563 | |
---|
[1850] | 564 | streams_set_flag(g_midi_clock.stream, ROAR_FLAG_PRIMARY); |
---|
| 565 | streams_set_flag(g_midi_clock.stream, ROAR_FLAG_SYNC); |
---|
[1848] | 566 | |
---|
[2400] | 567 | midi_clock_set_bph(3600); // one beat per sec |
---|
[1851] | 568 | |
---|
[2943] | 569 | ss->state = ROAR_STREAMSTATE_NEW; |
---|
| 570 | |
---|
[1924] | 571 | midi_config.inited |= MIDI_INITED_CLOCK; |
---|
| 572 | |
---|
[1851] | 573 | return 0; |
---|
| 574 | } |
---|
| 575 | |
---|
| 576 | int midi_clock_set_bph (uint_least32_t bph) { |
---|
| 577 | uint_least32_t sph = g_sa->rate/2 * 75 * g_sa->channels; // samples per houre |
---|
| 578 | |
---|
| 579 | g_midi_clock.bph = bph; |
---|
| 580 | |
---|
| 581 | g_midi_clock.spt = sph/bph; |
---|
| 582 | |
---|
| 583 | g_midi_clock.nt = ROAR_MATH_OVERFLOW_ADD(g_pos, g_midi_clock.spt); |
---|
| 584 | |
---|
| 585 | return 0; |
---|
| 586 | } |
---|
| 587 | |
---|
| 588 | int midi_clock_tick (void) { |
---|
[1875] | 589 | struct roar_buffer * buf; |
---|
| 590 | struct midi_message * mes; |
---|
[1888] | 591 | struct roar_stream_server * ss; |
---|
[1851] | 592 | unsigned int diff; |
---|
| 593 | |
---|
[1888] | 594 | if ( streams_get(g_midi_clock.stream, &ss) == -1 ) { |
---|
| 595 | ROAR_ERR("midi_clock_tick(void): Something very BAD happend: can not get stream object of my own stream!"); |
---|
| 596 | g_midi_clock.stream = -1; |
---|
| 597 | ROAR_WARN("midi_clock_tick(void): Disabled MIDI Clock"); |
---|
| 598 | return -1; |
---|
| 599 | } |
---|
| 600 | |
---|
[1851] | 601 | while ( g_pos >= g_midi_clock.nt ) { |
---|
| 602 | diff = g_pos - g_midi_clock.nt; |
---|
[1911] | 603 | ROAR_DBG("midi_clock_tick(void): g_pos is %u samples (%5.2f%%) after of nt.", diff, (float)diff/g_midi_clock.spt); |
---|
[1851] | 604 | |
---|
| 605 | g_midi_clock.nt = ROAR_MATH_OVERFLOW_ADD(g_midi_clock.nt, g_midi_clock.spt); |
---|
| 606 | |
---|
| 607 | if ( streams_get_flag(g_midi_clock.stream, ROAR_FLAG_SYNC) ) { |
---|
[1860] | 608 | ROAR_DBG("midi_clock_tick(void): TICK! (nt=%lu)", g_midi_clock.nt); |
---|
[1875] | 609 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
---|
| 610 | ROAR_ERR("midi_clock_tick(void): Can not create Clock-Tick-Message"); |
---|
| 611 | } |
---|
| 612 | |
---|
| 613 | mes->type = MIDI_TYPE_CLOCK_TICK; |
---|
| 614 | |
---|
| 615 | if ( midi_add_buf(g_midi_clock.stream, buf) == -1 ) { |
---|
| 616 | ROAR_ERR("midi_clock_tick(void): Can not add Clock-Tick-Message"); |
---|
| 617 | roar_buffer_free(buf); |
---|
| 618 | return -1; |
---|
| 619 | } |
---|
[1888] | 620 | |
---|
| 621 | ROAR_STREAM(ss)->pos = ROAR_MATH_OVERFLOW_ADD(ROAR_STREAM(ss)->pos, 1); |
---|
[2943] | 622 | ss->state = ROAR_STREAMSTATE_OLD; |
---|
[1851] | 623 | } else { |
---|
[1860] | 624 | ROAR_DBG("midi_clock_tick(void): silent tick. (nt=%lu)", g_midi_clock.nt); |
---|
[1851] | 625 | } |
---|
| 626 | } |
---|
| 627 | |
---|
[1848] | 628 | return 0; |
---|
| 629 | } |
---|
| 630 | |
---|
[1845] | 631 | // CB: |
---|
[1843] | 632 | |
---|
[2487] | 633 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[1843] | 634 | int midi_cb_init (void) { |
---|
[1751] | 635 | #ifdef _HAVE_CONSOLE |
---|
[1843] | 636 | struct roar_stream * s; |
---|
| 637 | struct roar_stream_server * ss; |
---|
[185] | 638 | int i; |
---|
| 639 | char * files[] = { |
---|
[1924] | 640 | "/NX", |
---|
| 641 | "/dev/roarconsole", |
---|
[185] | 642 | "/dev/console", |
---|
| 643 | #ifdef __linux__ |
---|
| 644 | "/dev/tty0", |
---|
| 645 | "/dev/vc/0", |
---|
| 646 | #endif |
---|
| 647 | NULL |
---|
| 648 | }; |
---|
| 649 | |
---|
[1853] | 650 | g_midi_cb.console = -1; |
---|
| 651 | g_midi_cb.stream = -1; |
---|
| 652 | g_midi_cb.stoptime = 0; |
---|
| 653 | g_midi_cb.playing = 0; |
---|
[185] | 654 | |
---|
[1924] | 655 | if ( midi_config.console_dev != NULL ) { |
---|
| 656 | files[0] = midi_config.console_dev; |
---|
| 657 | } |
---|
| 658 | |
---|
[185] | 659 | for (i = 0; files[i] != NULL; i++) { |
---|
[1853] | 660 | if ( (g_midi_cb.console = open(files[i], O_WRONLY|O_NOCTTY, 0)) != -1 ) |
---|
[185] | 661 | break; |
---|
| 662 | } |
---|
| 663 | |
---|
[1853] | 664 | if ( g_midi_cb.console == -1 ) |
---|
[1843] | 665 | return -1; |
---|
| 666 | |
---|
[1853] | 667 | if ( (g_midi_cb.stream = streams_new()) == -1 ) { |
---|
[1843] | 668 | ROAR_WARN("Error while initializing MIDI subsystem component CB"); |
---|
| 669 | midi_cb_free(); |
---|
[187] | 670 | return -1; |
---|
| 671 | } |
---|
[1843] | 672 | |
---|
[2915] | 673 | client_stream_add(g_self_client, g_midi_clock.stream); |
---|
| 674 | |
---|
[1853] | 675 | midi_vio_set_dummy(g_midi_cb.stream); |
---|
[1848] | 676 | |
---|
[1853] | 677 | streams_get(g_midi_cb.stream, &ss); |
---|
[1843] | 678 | s = ROAR_STREAM(ss); |
---|
| 679 | |
---|
| 680 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
---|
| 681 | |
---|
| 682 | s->pos_rel_id = -1; |
---|
| 683 | |
---|
| 684 | s->info.codec = 0; |
---|
| 685 | ss->codec_orgi = 0; |
---|
| 686 | |
---|
| 687 | s->info.channels = 1; |
---|
| 688 | s->info.rate = 1193180; |
---|
| 689 | s->info.bits = 8; |
---|
| 690 | |
---|
[1853] | 691 | if ( streams_set_dir(g_midi_cb.stream, ROAR_DIR_BRIDGE, 1) == -1 ) { |
---|
[1843] | 692 | ROAR_WARN("Error while initializing MIDI subsystem component CB"); |
---|
| 693 | midi_cb_free(); |
---|
| 694 | return -1; |
---|
| 695 | } |
---|
| 696 | |
---|
[1853] | 697 | streams_set_name(g_midi_cb.stream, "Console speaker bridge"); |
---|
[1843] | 698 | |
---|
[1853] | 699 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_OUTPUT); |
---|
| 700 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_PRIMARY); |
---|
| 701 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_HWMIXER); |
---|
[1885] | 702 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_MUTE); |
---|
[1843] | 703 | |
---|
[1924] | 704 | midi_config.inited |= MIDI_INITED_CB; |
---|
| 705 | |
---|
[1843] | 706 | return 0; |
---|
[1485] | 707 | #else |
---|
[1853] | 708 | g_midi_cb.console = -1; |
---|
| 709 | g_midi_cb.stream = -1; |
---|
[1843] | 710 | |
---|
[1485] | 711 | return -1; |
---|
| 712 | #endif |
---|
[185] | 713 | } |
---|
| 714 | |
---|
[1843] | 715 | int midi_cb_free (void) { |
---|
[1751] | 716 | #ifdef _HAVE_CONSOLE |
---|
[1843] | 717 | |
---|
| 718 | midi_cb_stop(); |
---|
| 719 | |
---|
[1853] | 720 | if ( g_midi_cb.stream != -1 ) |
---|
| 721 | streams_delete(g_midi_cb.stream); |
---|
[1843] | 722 | |
---|
[1853] | 723 | if ( g_midi_cb.console != -1 ) |
---|
| 724 | close(g_midi_cb.console); |
---|
[1843] | 725 | |
---|
[185] | 726 | return 0; |
---|
[1485] | 727 | #else |
---|
| 728 | return -1; |
---|
| 729 | #endif |
---|
[185] | 730 | } |
---|
| 731 | |
---|
| 732 | int midi_cb_play(float t, float freq, int override) { |
---|
[191] | 733 | float samples_per_sec /* S/s */ = g_sa->rate * g_sa->channels; |
---|
| 734 | |
---|
[189] | 735 | /* |
---|
| 736 | #define MIDI_CB_NOOVERRIDE 0 |
---|
| 737 | #define MIDI_CB_OVERRIDE 1 |
---|
| 738 | */ |
---|
[1853] | 739 | if ( g_midi_cb.playing && override != MIDI_CB_OVERRIDE ) |
---|
[191] | 740 | return -1; |
---|
| 741 | |
---|
[1853] | 742 | g_midi_cb.stoptime = ROAR_MATH_OVERFLOW_ADD(g_pos, samples_per_sec*t); |
---|
[191] | 743 | midi_cb_start(freq); |
---|
| 744 | |
---|
| 745 | return 0; |
---|
[185] | 746 | } |
---|
| 747 | |
---|
[190] | 748 | int midi_cb_update (void) { |
---|
[1884] | 749 | |
---|
| 750 | if ( !streams_get_flag(g_midi_cb.stream, ROAR_FLAG_MUTE) ) { |
---|
| 751 | if ( midi_cb_readbuf() == -1 ) |
---|
| 752 | return -1; |
---|
| 753 | } else if ( g_midi_cb.playing ) { |
---|
| 754 | midi_cb_stop(); |
---|
| 755 | } |
---|
[1882] | 756 | |
---|
[1853] | 757 | if ( !g_midi_cb.playing ) |
---|
[192] | 758 | return 0; |
---|
| 759 | |
---|
[1884] | 760 | /* |
---|
[1853] | 761 | if ( g_midi_cb.stoptime <= g_pos ) |
---|
[189] | 762 | midi_cb_stop(); |
---|
[1884] | 763 | */ |
---|
[189] | 764 | |
---|
[1882] | 765 | ROAR_DBG("midi_cb_update(void) = ?"); |
---|
| 766 | |
---|
[189] | 767 | return 0; |
---|
| 768 | } |
---|
| 769 | |
---|
[185] | 770 | int midi_cb_start(float freq) { |
---|
| 771 | // On linux this uses ioctl KIOCSOUND |
---|
[188] | 772 | #ifdef __linux__ |
---|
[1853] | 773 | if ( g_midi_cb.console == -1 ) |
---|
[188] | 774 | return -1; |
---|
| 775 | |
---|
[1853] | 776 | if ( ioctl(g_midi_cb.console, KIOCSOUND, freq == 0 ? 0 : (int)(1193180.0/freq)) == -1 ) |
---|
[188] | 777 | return -1; |
---|
| 778 | |
---|
[1884] | 779 | g_midi_cb.playing = 1; |
---|
| 780 | |
---|
[188] | 781 | return 0; |
---|
| 782 | #else |
---|
[185] | 783 | return -1; |
---|
[188] | 784 | #endif |
---|
[185] | 785 | } |
---|
| 786 | |
---|
| 787 | int midi_cb_stop (void) { |
---|
| 788 | #ifdef __linux__ |
---|
[1884] | 789 | int ret; |
---|
| 790 | |
---|
| 791 | ret = midi_cb_start(0); |
---|
[1853] | 792 | g_midi_cb.playing = 0; |
---|
[1884] | 793 | |
---|
| 794 | return ret; |
---|
[185] | 795 | #else |
---|
| 796 | return -1; |
---|
| 797 | #endif |
---|
| 798 | } |
---|
| 799 | |
---|
[1882] | 800 | int midi_cb_readbuf(void) { |
---|
| 801 | struct roar_buffer * buf = g_midi_mess.buf; |
---|
| 802 | struct midi_message * mes = NULL; |
---|
| 803 | |
---|
| 804 | ROAR_DBG("midi_cb_readbuf(void) = ?"); |
---|
| 805 | |
---|
| 806 | while (buf != NULL) { |
---|
| 807 | ROAR_DBG("midi_cb_readbuf(void): buf=%p", buf); |
---|
| 808 | |
---|
| 809 | if ( roar_buffer_get_data(buf, (void**)&mes) == -1 ) { |
---|
| 810 | return -1; |
---|
| 811 | } |
---|
| 812 | |
---|
| 813 | switch (mes->type) { |
---|
| 814 | case MIDI_TYPE_NOTE_ON: |
---|
| 815 | midi_cb_start(mes->d.note.freq); |
---|
| 816 | break; |
---|
| 817 | case MIDI_TYPE_NOTE_OFF: |
---|
| 818 | midi_cb_stop(); |
---|
| 819 | break; |
---|
[1890] | 820 | case MIDI_TYPE_CONTROLER: |
---|
[1894] | 821 | if ( mes->kk == MIDI_CCE_ALL_NOTE_OFF ) /* all note off */ |
---|
[1890] | 822 | midi_cb_stop(); |
---|
| 823 | break; |
---|
[1882] | 824 | } |
---|
| 825 | |
---|
| 826 | if ( roar_buffer_get_next(buf, &buf) == -1 ) |
---|
| 827 | buf = NULL; |
---|
| 828 | } |
---|
| 829 | |
---|
| 830 | return 0; |
---|
| 831 | } |
---|
[2487] | 832 | #endif |
---|
[1882] | 833 | |
---|
[1848] | 834 | // VIO: |
---|
| 835 | |
---|
| 836 | int midi_vio_set_dummy(int stream) { |
---|
| 837 | struct roar_stream_server * ss; |
---|
| 838 | |
---|
| 839 | if ( streams_get(stream, &ss) == -1 ) |
---|
| 840 | return -1; |
---|
| 841 | |
---|
| 842 | ss->vio.read = NULL; |
---|
| 843 | ss->vio.write = NULL; |
---|
| 844 | ss->vio.lseek = NULL; |
---|
[1849] | 845 | ss->vio.nonblock = (int (*)(struct roar_vio_calls * vio, int state))midi_vio_ok; |
---|
| 846 | ss->vio.sync = (int (*)(struct roar_vio_calls * vio))midi_vio_ok; |
---|
[1848] | 847 | ss->vio.ctl = NULL; |
---|
[1849] | 848 | ss->vio.close = (int (*)(struct roar_vio_calls * vio))midi_vio_ok; |
---|
| 849 | |
---|
| 850 | return 0; |
---|
[1848] | 851 | } |
---|
| 852 | |
---|
| 853 | int midi_vio_ok(struct roar_vio_calls * vio, ...) { |
---|
| 854 | return 0; |
---|
| 855 | } |
---|
| 856 | |
---|
[2500] | 857 | #endif |
---|
| 858 | |
---|
[169] | 859 | //ll |
---|