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