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