[169] | 1 | //midi.c: |
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| 2 | |
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[668] | 3 | /* |
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[4708] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2011 |
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[668] | 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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[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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[668] | 23 | * |
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| 24 | */ |
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| 25 | |
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[169] | 26 | #include "roard.h" |
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| 27 | |
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[2500] | 28 | #ifndef ROAR_WITHOUT_DCOMP_MIDI |
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| 29 | |
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[1751] | 30 | #if defined(ROAR_HAVE_IO_POSIX) && !defined(ROAR_TARGET_WIN32) |
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| 31 | #define _HAVE_CONSOLE |
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| 32 | #endif |
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| 33 | |
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[1924] | 34 | int midi_init_config(void) { |
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| 35 | midi_config.init = 1; |
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| 36 | midi_config.inited = 0; |
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[2487] | 37 | |
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| 38 | #ifndef ROAR_WITHOUT_DCOMP_CB |
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[2445] | 39 | midi_config.init_cb = 0; |
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[1924] | 40 | midi_config.console_dev = NULL; |
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[2487] | 41 | #endif |
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[1924] | 42 | |
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| 43 | return 0; |
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| 44 | } |
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| 45 | |
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[185] | 46 | int midi_init (void) { |
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[2943] | 47 | struct roar_stream_server * ss; |
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[3558] | 48 | char cmap[16]; |
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[3215] | 49 | int i; |
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[1843] | 50 | |
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[1924] | 51 | midi_config.inited = 0; |
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[1843] | 52 | |
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[1924] | 53 | if ( midi_config.init ) { |
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[2487] | 54 | #ifndef ROAR_WITHOUT_DCOMP_CB |
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[1924] | 55 | if ( midi_config.init_cb ) { |
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| 56 | if ( midi_cb_init() == -1 ) { |
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| 57 | ROAR_WARN("Can not initialize MIDI subsystem component CB"); |
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| 58 | } |
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[3594] | 59 | } else { |
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| 60 | g_midi_cb.console = -1; |
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[1924] | 61 | } |
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[2487] | 62 | #endif |
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[1924] | 63 | |
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| 64 | if ( midi_clock_init() == -1 ) { |
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| 65 | ROAR_WARN("Can not initialize MIDI subsystem component clock"); |
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| 66 | } |
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| 67 | |
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[1848] | 68 | } |
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| 69 | |
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[1863] | 70 | g_midi_mess.buf = NULL; |
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| 71 | |
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[2943] | 72 | if ( (g_midi_mixer.stream = add_mixer(ROAR_SUBSYS_MIDI, _MIXER_NAME("MIDI"), &ss)) == -1 ) { |
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[2941] | 73 | ROAR_WARN("Can not create MIDI mixer"); |
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| 74 | } |
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[3547] | 75 | |
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[3558] | 76 | roardsp_chanlist_init(cmap, 16, ROARDSP_CHANLIST_MAP_MIDI); |
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| 77 | streams_set_map(g_midi_mixer.stream, cmap, 16); |
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[3547] | 78 | |
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[2943] | 79 | ss->state = ROAR_STREAMSTATE_OLD; |
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[2941] | 80 | |
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[3215] | 81 | for (i = 0; i < ROAR_STREAMS_MAX; i++) { |
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| 82 | if ( g_streams[i] != NULL ) { |
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| 83 | if ( streams_get_subsys(i) == ROAR_SUBSYS_MIDI ) { |
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| 84 | streams_set_mixer_stream(i, g_midi_mixer.stream); |
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| 85 | } |
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| 86 | } |
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| 87 | } |
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| 88 | |
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[1924] | 89 | midi_config.inited |= MIDI_INITED_MAIN; |
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| 90 | |
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[1843] | 91 | return 0; |
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| 92 | } |
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[1848] | 93 | |
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[1843] | 94 | int midi_free (void) { |
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[1924] | 95 | if ( midi_reinit() == -1 ) |
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| 96 | return -1; |
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| 97 | |
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[2487] | 98 | #ifndef ROAR_WITHOUT_DCOMP_CB |
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[1924] | 99 | if ( midi_cb_free() == -1 ) |
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| 100 | return -1; |
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[2487] | 101 | #endif |
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[1924] | 102 | |
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| 103 | return 0; |
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[1843] | 104 | } |
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| 105 | |
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| 106 | int midi_update(void) { |
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[1848] | 107 | |
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[1850] | 108 | if ( g_midi_clock.stream != -1 ) |
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| 109 | midi_check_bridge(g_midi_clock.stream); |
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[1848] | 110 | |
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[2489] | 111 | #ifndef ROAR_WITHOUT_DCOMP_SSYNTH |
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[2461] | 112 | midi_conv_mes2ssynth(); |
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[2489] | 113 | #endif |
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[2461] | 114 | |
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[2487] | 115 | #ifndef ROAR_WITHOUT_DCOMP_CB |
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[1843] | 116 | return midi_cb_update(); |
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[2487] | 117 | #else |
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| 118 | return 0; |
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| 119 | #endif |
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[1843] | 120 | } |
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| 121 | |
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[1855] | 122 | int midi_reinit(void) { |
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[1868] | 123 | |
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| 124 | if ( g_midi_mess.buf != NULL ) |
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| 125 | roar_buffer_free(g_midi_mess.buf); |
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| 126 | |
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| 127 | g_midi_mess.buf = NULL; |
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| 128 | |
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[1855] | 129 | return 0; |
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| 130 | } |
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| 131 | |
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[1845] | 132 | // STREAMS: |
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| 133 | |
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| 134 | int midi_check_stream (int id) { |
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[1846] | 135 | struct roar_stream * s; |
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| 136 | struct roar_stream_server * ss; |
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[1858] | 137 | struct roar_buffer * b; |
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[4521] | 138 | void * buf; |
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[1858] | 139 | ssize_t len; |
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[1846] | 140 | |
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| 141 | if ( g_streams[id] == NULL ) |
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| 142 | return -1; |
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| 143 | |
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| 144 | ROAR_DBG("midi_check_stream(id=%i) = ?", id); |
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| 145 | |
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| 146 | s = ROAR_STREAM(ss = g_streams[id]); |
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| 147 | |
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[1848] | 148 | if ( s->dir == ROAR_DIR_BRIDGE ) |
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| 149 | return midi_check_bridge(id); |
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| 150 | |
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[1846] | 151 | switch (s->info.codec) { |
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[1858] | 152 | case ROAR_CODEC_MIDI: |
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| 153 | break; |
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| 154 | default: |
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| 155 | streams_delete(id); |
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| 156 | return -1; |
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| 157 | } |
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| 158 | |
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[4521] | 159 | if ( roar_buffer_new_data(&b, MIDI_READ_SIZE, &buf) == -1 ) { |
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[1858] | 160 | ROAR_ERR("midi_check_stream(*): Can not alloc buffer space!"); |
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| 161 | ROAR_DBG("midi_check_stream(*) = -1"); |
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| 162 | return -1; |
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| 163 | } |
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| 164 | |
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| 165 | if ( (len = stream_vio_s_read(ss, buf, MIDI_READ_SIZE)) < 1 ) { |
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| 166 | streams_delete(id); |
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[1862] | 167 | roar_buffer_free(b); |
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[1858] | 168 | return -1; |
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| 169 | } |
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| 170 | |
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| 171 | roar_buffer_set_len(b, len); |
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| 172 | |
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[1859] | 173 | if ( stream_add_buffer(id, b) == -1 ) { |
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| 174 | roar_buffer_free(b); |
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| 175 | streams_delete(id); |
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| 176 | return -1; |
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| 177 | } |
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| 178 | |
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[1858] | 179 | switch (s->info.codec) { |
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| 180 | case ROAR_CODEC_MIDI: |
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| 181 | return midi_conv_midi2mes(id); |
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| 182 | break; |
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[1846] | 183 | default: |
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| 184 | streams_delete(id); |
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| 185 | return -1; |
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| 186 | } |
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| 187 | |
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[5053] | 188 | ROAR_DBG("midi_check_stream(id=%i) = 0", id); |
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[1846] | 189 | return 0; |
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[1845] | 190 | } |
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[1846] | 191 | |
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[1845] | 192 | int midi_send_stream (int id) { |
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[1846] | 193 | struct roar_stream * s; |
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| 194 | struct roar_stream_server * ss; |
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| 195 | |
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| 196 | if ( g_streams[id] == NULL ) |
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| 197 | return -1; |
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| 198 | |
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| 199 | ROAR_DBG("midi_send_stream(id=%i) = ?", id); |
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| 200 | |
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| 201 | s = ROAR_STREAM(ss = g_streams[id]); |
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| 202 | |
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| 203 | switch (s->info.codec) { |
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[1877] | 204 | case ROAR_CODEC_MIDI: |
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| 205 | return midi_conv_mes2midi(id); |
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| 206 | break; |
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[1846] | 207 | default: |
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| 208 | streams_delete(id); |
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| 209 | return -1; |
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| 210 | } |
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| 211 | |
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| 212 | return 0; |
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[1845] | 213 | } |
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| 214 | |
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[5089] | 215 | #if 1 |
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| 216 | static int _cache_to_mes(struct midi_message * mes, unsigned char * data, size_t len, |
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| 217 | int id, struct roar_stream_server * ss) { |
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| 218 | unsigned char type = *data; |
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| 219 | |
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| 220 | ROAR_DBG("_cache_to_mes(*): type=0x%.2X", (unsigned int)type); |
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| 221 | |
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| 222 | if (type == MIDI_TYPE_CLOCK_TICK || type == MIDI_TYPE_CLOCK_START || type == MIDI_TYPE_CLOCK_STOP ) { |
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| 223 | if ( len != 1 ) |
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| 224 | return -1; |
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| 225 | |
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| 226 | mes->type = type; |
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| 227 | |
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| 228 | if ( type == MIDI_TYPE_CLOCK_TICK ) { |
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| 229 | // TODO: |
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| 230 | ROAR_STREAM(ss)->pos = ROAR_MATH_OVERFLOW_ADD(ROAR_STREAM(ss)->pos, 1); |
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| 231 | } |
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| 232 | } else { |
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| 233 | mes->type = type & 0xF0; |
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| 234 | mes->channel = type & 0x0F; |
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| 235 | |
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| 236 | switch (mes->type) { |
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| 237 | case MIDI_TYPE_NOTE_ON: |
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| 238 | case MIDI_TYPE_NOTE_OFF: |
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| 239 | if ( len != 3 ) |
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| 240 | return -1; |
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| 241 | roar_midi_note_from_midiid(&(mes->d.note), data[1]); |
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| 242 | |
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| 243 | // if velocity is zero we have a NOTE OFF event |
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| 244 | if ( data[2] == 0 ) |
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| 245 | mes->type = MIDI_TYPE_NOTE_OFF; |
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| 246 | case MIDI_TYPE_PA: |
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| 247 | case MIDI_TYPE_CONTROLER: |
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| 248 | mes->kk = data[1]; |
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| 249 | mes->vv = data[2]; |
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| 250 | break; |
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| 251 | case MIDI_TYPE_PROGRAM: |
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| 252 | case MIDI_TYPE_MA: |
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| 253 | if ( len != 2 ) |
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| 254 | return -1; |
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| 255 | mes->vv = data[1]; |
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| 256 | break; |
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| 257 | case MIDI_TYPE_PB: |
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| 258 | case MIDI_TYPE_SYSEX: |
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| 259 | ROAR_WARN("_cache_to_mes(id=%i): Message of Type 0x%.2X (PB or SysEx) not yet supported", id, (unsigned int)type); |
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| 260 | return -1; |
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| 261 | break; |
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| 262 | } |
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| 263 | } |
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| 264 | |
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| 265 | switch (mes->type) { |
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| 266 | case MIDI_TYPE_CONTROLER: |
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| 267 | switch (mes->kk) { |
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| 268 | case MIDI_CCE_MAIN_VOL: |
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| 269 | if ( (516 * mes->vv) > 65100 ) { // max volume |
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| 270 | ss->mixer.mixer[mes->channel] = 65535; |
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| 271 | } else { |
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| 272 | ss->mixer.mixer[mes->channel] = 516 * mes->vv; |
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| 273 | } |
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| 274 | break; |
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| 275 | } |
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| 276 | break; |
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| 277 | } |
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| 278 | |
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| 279 | ROAR_DBG("_cache_to_mes(*) = 0"); |
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| 280 | return 0; |
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| 281 | } |
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| 282 | |
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| 283 | int midi_conv_midi2mes (int id) { |
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| 284 | struct roar_stream * s; |
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| 285 | struct roar_stream_server * ss; |
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| 286 | size_t have; |
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| 287 | void * bufdata; |
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| 288 | unsigned char * data; |
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| 289 | unsigned char cache[3]; |
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| 290 | size_t cachepos = 0; |
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| 291 | int sync = 1; |
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| 292 | struct roar_buffer * buf = NULL; |
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| 293 | struct midi_message * mes = NULL; |
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| 294 | |
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| 295 | if ( g_streams[id] == NULL ) |
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| 296 | return -1; |
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| 297 | |
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| 298 | ROAR_DBG("midi_conv_midi2mes(id=%i) = ?", id); |
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| 299 | |
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| 300 | s = ROAR_STREAM(ss = g_streams[id]); |
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| 301 | |
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| 302 | while (ss->buffer != NULL) { |
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| 303 | if ( roar_buffer_get_len(ss->buffer, &have) == -1 ) |
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| 304 | return -1; |
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| 305 | if ( roar_buffer_get_data(ss->buffer, &bufdata) == -1 ) |
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| 306 | return -1; |
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| 307 | data = bufdata; |
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| 308 | |
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| 309 | while (have) { |
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| 310 | if ( !sync ) { |
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| 311 | if ( *data & 0x80 ) { |
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| 312 | cachepos = 0; |
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| 313 | sync = 1; |
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| 314 | } else { |
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| 315 | data++; |
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| 316 | have--; |
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| 317 | continue; |
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| 318 | } |
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| 319 | } |
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| 320 | |
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| 321 | if ( (*data & 0x80) && cachepos != 0 ) { |
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| 322 | // submit cache. |
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| 323 | |
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| 324 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
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| 325 | // this is bad. |
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| 326 | // TODO: handle better. |
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| 327 | return -1; |
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| 328 | } |
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| 329 | |
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| 330 | if ( _cache_to_mes(mes, cache, cachepos, id, ss) == -1 ) { |
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| 331 | ROAR_WARN("midi_conv_midi2mes(id=%i): Message can not be parsed.", id); |
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| 332 | roar_buffer_free(buf); |
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| 333 | } else { |
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| 334 | midi_add_buf(id, buf); // FIXME: don't we need error handling here? |
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| 335 | } |
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| 336 | |
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| 337 | cachepos = 0; |
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| 338 | } else if ( cachepos == sizeof(cache) ) { |
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| 339 | // lost sync. |
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| 340 | sync = 0; |
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| 341 | continue; |
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| 342 | } |
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| 343 | |
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| 344 | ROAR_DBG("midi_conv_midi2mes(id=%i): cache[%u] = 0x%.2X", id, (unsigned int)cachepos, (unsigned int)*data); |
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| 345 | cache[cachepos++] = *data; |
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| 346 | data++; |
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| 347 | have--; |
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| 348 | } |
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| 349 | |
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| 350 | roar_buffer_next(&(ss->buffer)); |
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| 351 | } |
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| 352 | |
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| 353 | if ( cachepos ) { |
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| 354 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
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| 355 | // this is bad. |
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| 356 | // TODO: handle better. |
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| 357 | return -1; |
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| 358 | } |
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| 359 | |
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| 360 | if ( _cache_to_mes(mes, cache, cachepos, id, ss) == -1 ) { |
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| 361 | roar_buffer_free(buf); |
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| 362 | } else { |
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| 363 | midi_add_buf(id, buf); // FIXME: don't we need error handling here? |
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| 364 | cachepos = 0; |
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| 365 | } |
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| 366 | } |
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| 367 | |
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| 368 | if ( cachepos ) { |
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| 369 | if ( roar_buffer_new_data(&buf, cachepos, &bufdata) == -1 ) |
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| 370 | return -1; |
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| 371 | |
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| 372 | memcpy(bufdata, cache, cachepos); |
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| 373 | |
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| 374 | ss->buffer = buf; |
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| 375 | } |
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| 376 | |
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| 377 | return 0; |
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| 378 | } |
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| 379 | #else |
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[1858] | 380 | int midi_conv_midi2mes (int id) { |
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[4521] | 381 | void * bufdata; |
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[1863] | 382 | unsigned char * data; |
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| 383 | struct roar_stream * s; |
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| 384 | struct roar_stream_server * ss; |
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| 385 | struct roar_buffer * buf = NULL; |
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| 386 | struct midi_message * mes = NULL; |
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[1879] | 387 | size_t need = 0, have = 0, last_have = 0, old_have = 0; |
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[1863] | 388 | int alive = 1; |
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| 389 | |
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| 390 | if ( g_streams[id] == NULL ) |
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| 391 | return -1; |
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| 392 | |
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| 393 | ROAR_DBG("midi_conv_midi2mes(id=%i) = ?", id); |
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| 394 | |
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| 395 | s = ROAR_STREAM(ss = g_streams[id]); |
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| 396 | |
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| 397 | while (ss->buffer != NULL && alive) { |
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[5053] | 398 | ROAR_DBG("midi_conv_midi2mes(id=%i): ss->buffer=%p, alive=%i", id, ss->buffer, alive); |
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| 399 | |
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[4521] | 400 | if ( roar_buffer_get_data(ss->buffer, &bufdata) == -1 ) { |
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[1863] | 401 | alive = 0; |
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| 402 | continue; |
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| 403 | } |
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| 404 | |
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[4521] | 405 | data = bufdata; |
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| 406 | |
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[1863] | 407 | if ( roar_buffer_get_len(ss->buffer, &have) == -1 ) { |
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| 408 | alive = 0; |
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| 409 | continue; |
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| 410 | } |
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[1879] | 411 | old_have = have; |
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[1863] | 412 | |
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| 413 | while (have && alive) { |
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[5053] | 414 | ROAR_DBG("midi_conv_midi2mes(id=%i): have=%llu, alive=%i", id, (long long unsigned int)have, alive); |
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| 415 | |
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[1863] | 416 | if ( *data & 0x80 ) { |
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[1865] | 417 | if ( buf != NULL ) { |
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[1866] | 418 | midi_add_buf(id, buf); |
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[1865] | 419 | buf = NULL; |
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| 420 | } |
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| 421 | |
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[1879] | 422 | last_have = have; |
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| 423 | |
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[1863] | 424 | need = 0; |
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| 425 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
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| 426 | alive = 0; |
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| 427 | continue; |
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| 428 | } |
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[1865] | 429 | |
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| 430 | if (*data == MIDI_TYPE_CLOCK_TICK || *data == MIDI_TYPE_CLOCK_START || *data == MIDI_TYPE_CLOCK_STOP ) { |
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| 431 | mes->type = *data; |
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[1891] | 432 | |
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| 433 | if ( *data == MIDI_TYPE_CLOCK_TICK ) { |
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| 434 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, 1); |
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| 435 | } |
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[1865] | 436 | } else { |
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| 437 | mes->type = *data & 0xF0; |
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| 438 | mes->channel = *data & 0x0F; |
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| 439 | switch (*data & 0xF0) { |
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| 440 | case MIDI_TYPE_NOTE_ON: |
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| 441 | case MIDI_TYPE_NOTE_OFF: |
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| 442 | need = 2; |
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| 443 | break; |
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| 444 | case MIDI_TYPE_PA: |
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| 445 | need = 2; |
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| 446 | break; |
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| 447 | case MIDI_TYPE_CONTROLER: |
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| 448 | need = 2; |
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| 449 | break; |
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| 450 | case MIDI_TYPE_PROGRAM: |
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| 451 | need = 1; |
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| 452 | break; |
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| 453 | case MIDI_TYPE_MA: |
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| 454 | need = 1; |
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| 455 | break; |
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| 456 | case MIDI_TYPE_PB: |
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| 457 | case MIDI_TYPE_SYSEX: |
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| 458 | need = 1; |
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| 459 | break; |
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| 460 | } |
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| 461 | } |
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| 462 | |
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[1863] | 463 | } else { |
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[1871] | 464 | |
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| 465 | if ( mes == NULL ) { |
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| 466 | ROAR_WARN("midi_conv_midi2mes(id=%i): Lost sync.", id); |
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| 467 | data++; |
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| 468 | have--; |
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| 469 | continue; |
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| 470 | } |
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| 471 | |
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| 472 | switch (mes->type) { |
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[1873] | 473 | case MIDI_TYPE_NOTE_ON: |
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| 474 | case MIDI_TYPE_NOTE_OFF: |
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[1881] | 475 | if ( need == 2 ) { |
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| 476 | roar_midi_note_from_midiid(&(mes->d.note), *data); |
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[2409] | 477 | |
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| 478 | // if velocity is zero we have a NOTE OFF event |
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| 479 | if ( data[1] == 0 ) |
---|
| 480 | mes->type = MIDI_TYPE_NOTE_OFF; |
---|
[1881] | 481 | } |
---|
[1874] | 482 | case MIDI_TYPE_PA: |
---|
| 483 | case MIDI_TYPE_CONTROLER: |
---|
[1873] | 484 | if ( need == 2 ) { |
---|
| 485 | mes->kk = *data; |
---|
| 486 | } else { |
---|
| 487 | mes->vv = *data; |
---|
| 488 | } |
---|
| 489 | break; |
---|
| 490 | case MIDI_TYPE_PROGRAM: |
---|
| 491 | case MIDI_TYPE_MA: |
---|
[1874] | 492 | mes->vv = *data; |
---|
| 493 | break; |
---|
[1873] | 494 | case MIDI_TYPE_PB: |
---|
| 495 | case MIDI_TYPE_SYSEX: |
---|
[1874] | 496 | ROAR_WARN("midi_conv_midi2mes(id=%i): Message of Type 0x%.2X (PB or SysEx) not yet supported", id, mes->type); |
---|
[1873] | 497 | break; |
---|
[1871] | 498 | } |
---|
| 499 | |
---|
[1863] | 500 | if ( need ) |
---|
| 501 | need--; |
---|
[1893] | 502 | |
---|
| 503 | if ( !need ) { |
---|
| 504 | switch (mes->type) { |
---|
| 505 | case MIDI_TYPE_CONTROLER: |
---|
| 506 | switch (mes->kk) { |
---|
| 507 | case MIDI_CCE_MAIN_VOL: |
---|
| 508 | if ( 516 * mes->vv > 65100 ) { // max volume |
---|
| 509 | ss->mixer.mixer[mes->channel] = 65535; |
---|
| 510 | } else { |
---|
| 511 | ss->mixer.mixer[mes->channel] = 516 * mes->vv; |
---|
| 512 | } |
---|
| 513 | break; |
---|
| 514 | } |
---|
| 515 | break; |
---|
| 516 | } |
---|
| 517 | } |
---|
| 518 | |
---|
[1863] | 519 | } |
---|
| 520 | data++; |
---|
| 521 | have--; |
---|
| 522 | } |
---|
| 523 | |
---|
[1865] | 524 | if ( need ) { |
---|
[5053] | 525 | ROAR_DBG("midi_conv_midi2mes(id=%i) = ?", id); |
---|
[1879] | 526 | if ( roar_buffer_set_offset(ss->buffer, old_have - last_have) == -1 ) { |
---|
| 527 | ROAR_ERR("midi_conv_midi2mes(*): FIXME: BUG!!! Need to restore buffer here with corrected length"); |
---|
| 528 | } |
---|
[1865] | 529 | } else if ( !have ) { |
---|
[1863] | 530 | roar_buffer_next(&(ss->buffer)); |
---|
| 531 | } |
---|
| 532 | |
---|
| 533 | if ( need && buf != NULL ) { |
---|
| 534 | roar_buffer_free(buf); |
---|
| 535 | buf = NULL; |
---|
| 536 | } else if ( buf != NULL ) { |
---|
[1866] | 537 | midi_add_buf(id, buf); |
---|
[1863] | 538 | buf = NULL; |
---|
| 539 | } |
---|
| 540 | } |
---|
| 541 | |
---|
| 542 | return 0; |
---|
[1858] | 543 | } |
---|
[5089] | 544 | #endif |
---|
[1858] | 545 | |
---|
[1877] | 546 | #define _nb len++; *(d++) |
---|
[1858] | 547 | int midi_conv_mes2midi (int id) { |
---|
[1877] | 548 | struct roar_stream * s; |
---|
| 549 | struct roar_stream_server * ss; |
---|
| 550 | struct roar_buffer * buf = g_midi_mess.buf; |
---|
| 551 | struct midi_message * mes = NULL; |
---|
[4521] | 552 | void * bufdata; |
---|
[1877] | 553 | unsigned char data[3]; |
---|
| 554 | unsigned char * d; |
---|
| 555 | int len; |
---|
[1909] | 556 | int send_clock; |
---|
[1877] | 557 | |
---|
| 558 | if ( g_streams[id] == NULL ) |
---|
| 559 | return -1; |
---|
| 560 | |
---|
| 561 | ROAR_DBG("midi_conv_mes2midi(id=%i) = ?", id); |
---|
| 562 | |
---|
| 563 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 564 | |
---|
[1909] | 565 | send_clock = streams_get_flag(id, ROAR_FLAG_SYNC); |
---|
| 566 | |
---|
[1877] | 567 | while (buf != NULL) { |
---|
[4521] | 568 | if ( roar_buffer_get_data(buf, &bufdata) == -1 ) { |
---|
[1877] | 569 | return -1; |
---|
| 570 | } |
---|
| 571 | |
---|
[4521] | 572 | mes = bufdata; |
---|
| 573 | |
---|
[1877] | 574 | if (mes->type == MIDI_TYPE_CLOCK_TICK || mes->type == MIDI_TYPE_CLOCK_START || mes->type == MIDI_TYPE_CLOCK_STOP ) { |
---|
[1910] | 575 | if ( send_clock ) { |
---|
[1909] | 576 | if ( stream_vio_s_write(ss, &(mes->type), 1) != 1 ) { |
---|
| 577 | streams_delete(id); |
---|
| 578 | return -1; |
---|
| 579 | } |
---|
[1877] | 580 | } |
---|
[1896] | 581 | |
---|
| 582 | if ( mes->type == MIDI_TYPE_CLOCK_TICK ) { |
---|
| 583 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, 1); |
---|
| 584 | } |
---|
[1877] | 585 | } else { |
---|
| 586 | len = 0; |
---|
| 587 | d = data; |
---|
| 588 | |
---|
| 589 | _nb = (mes->type & 0xF0) | (mes->channel & 0x0F); |
---|
| 590 | |
---|
| 591 | switch (mes->type) { |
---|
[1898] | 592 | case MIDI_TYPE_CONTROLER: |
---|
| 593 | switch (mes->kk) { |
---|
| 594 | case MIDI_CCE_MAIN_VOL: |
---|
| 595 | if ( 516 * mes->vv > 65100 ) { // max volume |
---|
| 596 | ss->mixer.mixer[mes->channel] = 65535; |
---|
| 597 | } else { |
---|
| 598 | ss->mixer.mixer[mes->channel] = 516 * mes->vv; |
---|
| 599 | } |
---|
| 600 | break; |
---|
| 601 | } |
---|
[1877] | 602 | case MIDI_TYPE_NOTE_ON: |
---|
| 603 | case MIDI_TYPE_NOTE_OFF: |
---|
| 604 | case MIDI_TYPE_PA: |
---|
| 605 | _nb = mes->kk; |
---|
| 606 | _nb = mes->vv; |
---|
| 607 | break; |
---|
| 608 | case MIDI_TYPE_PROGRAM: |
---|
| 609 | case MIDI_TYPE_MA: |
---|
| 610 | _nb = mes->vv; |
---|
| 611 | break; |
---|
| 612 | case MIDI_TYPE_PB: |
---|
| 613 | case MIDI_TYPE_SYSEX: |
---|
| 614 | break; |
---|
| 615 | } |
---|
| 616 | |
---|
| 617 | if ( stream_vio_s_write(ss, data, len) != len ) { |
---|
| 618 | streams_delete(id); |
---|
| 619 | return -1; |
---|
| 620 | } |
---|
| 621 | } |
---|
| 622 | |
---|
| 623 | if ( roar_buffer_get_next(buf, &buf) == -1 ) |
---|
| 624 | buf = NULL; |
---|
| 625 | } |
---|
| 626 | |
---|
| 627 | return 0; |
---|
[1858] | 628 | } |
---|
[1877] | 629 | #undef _nb |
---|
[1858] | 630 | |
---|
[2489] | 631 | #ifndef ROAR_WITHOUT_DCOMP_SSYNTH |
---|
[2461] | 632 | int midi_conv_mes2ssynth(void) { |
---|
[2462] | 633 | struct roar_buffer * buf = g_midi_mess.buf; |
---|
| 634 | struct midi_message * mes = NULL; |
---|
[4521] | 635 | void * bufdata; |
---|
[2462] | 636 | |
---|
| 637 | while (buf != NULL) { |
---|
[4521] | 638 | if ( roar_buffer_get_data(buf, &bufdata) == -1 ) { |
---|
[2462] | 639 | return -1; |
---|
| 640 | } |
---|
| 641 | |
---|
[4521] | 642 | mes = bufdata; |
---|
| 643 | |
---|
[2462] | 644 | if ( ssynth_eval_message(mes) == -1 ) |
---|
| 645 | return -1; |
---|
| 646 | |
---|
| 647 | if ( roar_buffer_get_next(buf, &buf) == -1 ) |
---|
| 648 | buf = NULL; |
---|
| 649 | } |
---|
| 650 | |
---|
| 651 | return 0; |
---|
[2461] | 652 | } |
---|
[2489] | 653 | #endif |
---|
[2461] | 654 | |
---|
[1863] | 655 | int midi_new_bufmes (struct roar_buffer ** buf, struct midi_message ** mes) { |
---|
| 656 | if ( buf == NULL || mes == NULL ) |
---|
| 657 | return -1; |
---|
| 658 | |
---|
[1867] | 659 | *buf = (void*)(*mes = NULL); |
---|
[1863] | 660 | |
---|
[3764] | 661 | if ( roar_buffer_new_data(buf, sizeof(struct midi_message), (void**)mes) == -1 ) { |
---|
[1867] | 662 | *buf = (void*)(*mes = NULL); |
---|
[1863] | 663 | return -1; |
---|
| 664 | } |
---|
| 665 | |
---|
| 666 | memset((void*)*mes, 0, sizeof(struct midi_message)); |
---|
| 667 | |
---|
| 668 | (*mes)->type = MIDI_TYPE_NONE; |
---|
| 669 | |
---|
| 670 | return 0; |
---|
| 671 | } |
---|
| 672 | |
---|
[1866] | 673 | int midi_add_buf (int id, struct roar_buffer * buf) { |
---|
[1869] | 674 | struct midi_message * mes; |
---|
[4521] | 675 | void * bufdata; |
---|
[1869] | 676 | |
---|
[1866] | 677 | if ( id == -1 || buf == NULL ) |
---|
| 678 | return -1; |
---|
| 679 | |
---|
[4521] | 680 | if ( roar_buffer_get_data(buf, &bufdata) == -1 ) |
---|
[1869] | 681 | return -1; |
---|
| 682 | |
---|
[4521] | 683 | mes = bufdata; |
---|
| 684 | |
---|
[1878] | 685 | ROAR_DBG("midi_add_buf(id=%i, buf=%p) = ?", id, buf); |
---|
| 686 | ROAR_DBG("midi_add_buf(*): MIDI Message of Type 0x%.2X", mes->type); |
---|
| 687 | ROAR_DBG("midi_add_buf(*): Channel: %i", mes->channel); |
---|
| 688 | ROAR_DBG("midi_add_buf(*): flags=0x%.2X", mes->flags); |
---|
| 689 | ROAR_DBG("midi_add_buf(*): kk=0x%.2X, vv=0x%.2X", mes->kk, mes->vv); |
---|
[1869] | 690 | |
---|
[1866] | 691 | if ( g_midi_mess.buf == NULL ) { |
---|
| 692 | g_midi_mess.buf = buf; |
---|
| 693 | } else { |
---|
| 694 | roar_buffer_add(g_midi_mess.buf, buf); |
---|
| 695 | } |
---|
| 696 | |
---|
[5053] | 697 | ROAR_DBG("midi_add_buf(*) = 0"); |
---|
[1866] | 698 | return 0; |
---|
| 699 | } |
---|
| 700 | |
---|
[1848] | 701 | // bridges: |
---|
| 702 | int midi_check_bridge (int id) { |
---|
[1851] | 703 | |
---|
[1860] | 704 | ROAR_DBG("midi_check_bridge(id=%i) = ?", id); |
---|
[1851] | 705 | |
---|
| 706 | if ( id == g_midi_clock.stream ) { |
---|
| 707 | midi_clock_tick(); |
---|
| 708 | |
---|
| 709 | return 0; |
---|
| 710 | } |
---|
| 711 | |
---|
[1848] | 712 | return -1; |
---|
| 713 | } |
---|
| 714 | |
---|
| 715 | // clock: |
---|
| 716 | |
---|
| 717 | int midi_clock_init (void) { |
---|
| 718 | struct roar_stream * s; |
---|
| 719 | struct roar_stream_server * ss; |
---|
| 720 | |
---|
[1850] | 721 | if ( (g_midi_clock.stream = streams_new()) == -1 ) { |
---|
[1848] | 722 | ROAR_WARN("Error while initializing MIDI subsystem component clock"); |
---|
| 723 | return -1; |
---|
| 724 | } |
---|
| 725 | |
---|
[2915] | 726 | client_stream_add(g_self_client, g_midi_clock.stream); |
---|
| 727 | |
---|
[1850] | 728 | midi_vio_set_dummy(g_midi_clock.stream); |
---|
[1848] | 729 | |
---|
[1850] | 730 | streams_get(g_midi_clock.stream, &ss); |
---|
[1848] | 731 | s = ROAR_STREAM(ss); |
---|
| 732 | |
---|
| 733 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
---|
| 734 | |
---|
[1850] | 735 | s->pos_rel_id = g_midi_clock.stream; |
---|
[1848] | 736 | |
---|
| 737 | s->info.codec = ROAR_CODEC_MIDI; |
---|
| 738 | ss->codec_orgi = ROAR_CODEC_MIDI; |
---|
| 739 | |
---|
[2401] | 740 | s->info.channels = 1; // we have only one channel, ticking on channel 0 |
---|
[2400] | 741 | s->info.rate = ROAR_MIDI_TICKS_PER_BEAT; // one beat per sec |
---|
| 742 | s->info.bits = ROAR_MIDI_BITS; |
---|
[1848] | 743 | |
---|
[1850] | 744 | if ( streams_set_dir(g_midi_clock.stream, ROAR_DIR_BRIDGE, 1) == -1 ) { |
---|
[1848] | 745 | ROAR_WARN("Error while initializing MIDI subsystem component clock"); |
---|
| 746 | return -1; |
---|
| 747 | } |
---|
| 748 | |
---|
[1850] | 749 | streams_set_name(g_midi_clock.stream, "MIDI Clock"); |
---|
[1848] | 750 | |
---|
[1850] | 751 | streams_set_flag(g_midi_clock.stream, ROAR_FLAG_PRIMARY); |
---|
| 752 | streams_set_flag(g_midi_clock.stream, ROAR_FLAG_SYNC); |
---|
[1848] | 753 | |
---|
[2400] | 754 | midi_clock_set_bph(3600); // one beat per sec |
---|
[1851] | 755 | |
---|
[2943] | 756 | ss->state = ROAR_STREAMSTATE_NEW; |
---|
| 757 | |
---|
[1924] | 758 | midi_config.inited |= MIDI_INITED_CLOCK; |
---|
| 759 | |
---|
[1851] | 760 | return 0; |
---|
| 761 | } |
---|
| 762 | |
---|
| 763 | int midi_clock_set_bph (uint_least32_t bph) { |
---|
| 764 | uint_least32_t sph = g_sa->rate/2 * 75 * g_sa->channels; // samples per houre |
---|
| 765 | |
---|
| 766 | g_midi_clock.bph = bph; |
---|
| 767 | |
---|
| 768 | g_midi_clock.spt = sph/bph; |
---|
| 769 | |
---|
| 770 | g_midi_clock.nt = ROAR_MATH_OVERFLOW_ADD(g_pos, g_midi_clock.spt); |
---|
| 771 | |
---|
| 772 | return 0; |
---|
| 773 | } |
---|
| 774 | |
---|
| 775 | int midi_clock_tick (void) { |
---|
[1875] | 776 | struct roar_buffer * buf; |
---|
| 777 | struct midi_message * mes; |
---|
[1888] | 778 | struct roar_stream_server * ss; |
---|
[1851] | 779 | unsigned int diff; |
---|
| 780 | |
---|
[1888] | 781 | if ( streams_get(g_midi_clock.stream, &ss) == -1 ) { |
---|
| 782 | ROAR_ERR("midi_clock_tick(void): Something very BAD happend: can not get stream object of my own stream!"); |
---|
| 783 | g_midi_clock.stream = -1; |
---|
| 784 | ROAR_WARN("midi_clock_tick(void): Disabled MIDI Clock"); |
---|
| 785 | return -1; |
---|
| 786 | } |
---|
| 787 | |
---|
[1851] | 788 | while ( g_pos >= g_midi_clock.nt ) { |
---|
| 789 | diff = g_pos - g_midi_clock.nt; |
---|
[1911] | 790 | ROAR_DBG("midi_clock_tick(void): g_pos is %u samples (%5.2f%%) after of nt.", diff, (float)diff/g_midi_clock.spt); |
---|
[1851] | 791 | |
---|
| 792 | g_midi_clock.nt = ROAR_MATH_OVERFLOW_ADD(g_midi_clock.nt, g_midi_clock.spt); |
---|
| 793 | |
---|
| 794 | if ( streams_get_flag(g_midi_clock.stream, ROAR_FLAG_SYNC) ) { |
---|
[1860] | 795 | ROAR_DBG("midi_clock_tick(void): TICK! (nt=%lu)", g_midi_clock.nt); |
---|
[1875] | 796 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
---|
| 797 | ROAR_ERR("midi_clock_tick(void): Can not create Clock-Tick-Message"); |
---|
| 798 | } |
---|
| 799 | |
---|
| 800 | mes->type = MIDI_TYPE_CLOCK_TICK; |
---|
| 801 | |
---|
| 802 | if ( midi_add_buf(g_midi_clock.stream, buf) == -1 ) { |
---|
| 803 | ROAR_ERR("midi_clock_tick(void): Can not add Clock-Tick-Message"); |
---|
| 804 | roar_buffer_free(buf); |
---|
| 805 | return -1; |
---|
| 806 | } |
---|
[1888] | 807 | |
---|
| 808 | ROAR_STREAM(ss)->pos = ROAR_MATH_OVERFLOW_ADD(ROAR_STREAM(ss)->pos, 1); |
---|
[2943] | 809 | ss->state = ROAR_STREAMSTATE_OLD; |
---|
[1851] | 810 | } else { |
---|
[1860] | 811 | ROAR_DBG("midi_clock_tick(void): silent tick. (nt=%lu)", g_midi_clock.nt); |
---|
[1851] | 812 | } |
---|
| 813 | } |
---|
| 814 | |
---|
[1848] | 815 | return 0; |
---|
| 816 | } |
---|
| 817 | |
---|
[1845] | 818 | // CB: |
---|
[1843] | 819 | |
---|
[2487] | 820 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[1843] | 821 | int midi_cb_init (void) { |
---|
[1751] | 822 | #ifdef _HAVE_CONSOLE |
---|
[1843] | 823 | struct roar_stream * s; |
---|
| 824 | struct roar_stream_server * ss; |
---|
[185] | 825 | int i; |
---|
| 826 | char * files[] = { |
---|
[1924] | 827 | "/NX", |
---|
| 828 | "/dev/roarconsole", |
---|
[185] | 829 | "/dev/console", |
---|
| 830 | #ifdef __linux__ |
---|
| 831 | "/dev/tty0", |
---|
| 832 | "/dev/vc/0", |
---|
| 833 | #endif |
---|
| 834 | NULL |
---|
| 835 | }; |
---|
| 836 | |
---|
[1853] | 837 | g_midi_cb.console = -1; |
---|
| 838 | g_midi_cb.stream = -1; |
---|
| 839 | g_midi_cb.stoptime = 0; |
---|
| 840 | g_midi_cb.playing = 0; |
---|
[185] | 841 | |
---|
[1924] | 842 | if ( midi_config.console_dev != NULL ) { |
---|
| 843 | files[0] = midi_config.console_dev; |
---|
| 844 | } |
---|
| 845 | |
---|
[185] | 846 | for (i = 0; files[i] != NULL; i++) { |
---|
[1853] | 847 | if ( (g_midi_cb.console = open(files[i], O_WRONLY|O_NOCTTY, 0)) != -1 ) |
---|
[185] | 848 | break; |
---|
| 849 | } |
---|
| 850 | |
---|
[1853] | 851 | if ( g_midi_cb.console == -1 ) |
---|
[1843] | 852 | return -1; |
---|
| 853 | |
---|
[1853] | 854 | if ( (g_midi_cb.stream = streams_new()) == -1 ) { |
---|
[1843] | 855 | ROAR_WARN("Error while initializing MIDI subsystem component CB"); |
---|
| 856 | midi_cb_free(); |
---|
[187] | 857 | return -1; |
---|
| 858 | } |
---|
[1843] | 859 | |
---|
[2915] | 860 | client_stream_add(g_self_client, g_midi_clock.stream); |
---|
| 861 | |
---|
[1853] | 862 | midi_vio_set_dummy(g_midi_cb.stream); |
---|
[1848] | 863 | |
---|
[1853] | 864 | streams_get(g_midi_cb.stream, &ss); |
---|
[1843] | 865 | s = ROAR_STREAM(ss); |
---|
| 866 | |
---|
| 867 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
---|
| 868 | |
---|
| 869 | s->pos_rel_id = -1; |
---|
| 870 | |
---|
| 871 | s->info.codec = 0; |
---|
| 872 | ss->codec_orgi = 0; |
---|
| 873 | |
---|
| 874 | s->info.channels = 1; |
---|
| 875 | s->info.rate = 1193180; |
---|
| 876 | s->info.bits = 8; |
---|
| 877 | |
---|
[1853] | 878 | if ( streams_set_dir(g_midi_cb.stream, ROAR_DIR_BRIDGE, 1) == -1 ) { |
---|
[1843] | 879 | ROAR_WARN("Error while initializing MIDI subsystem component CB"); |
---|
| 880 | midi_cb_free(); |
---|
| 881 | return -1; |
---|
| 882 | } |
---|
| 883 | |
---|
[1853] | 884 | streams_set_name(g_midi_cb.stream, "Console speaker bridge"); |
---|
[1843] | 885 | |
---|
[1853] | 886 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_OUTPUT); |
---|
| 887 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_PRIMARY); |
---|
| 888 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_HWMIXER); |
---|
[1885] | 889 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_MUTE); |
---|
[1843] | 890 | |
---|
[1924] | 891 | midi_config.inited |= MIDI_INITED_CB; |
---|
| 892 | |
---|
[1843] | 893 | return 0; |
---|
[1485] | 894 | #else |
---|
[1853] | 895 | g_midi_cb.console = -1; |
---|
| 896 | g_midi_cb.stream = -1; |
---|
[1843] | 897 | |
---|
[1485] | 898 | return -1; |
---|
| 899 | #endif |
---|
[185] | 900 | } |
---|
| 901 | |
---|
[1843] | 902 | int midi_cb_free (void) { |
---|
[1751] | 903 | #ifdef _HAVE_CONSOLE |
---|
[1843] | 904 | |
---|
| 905 | midi_cb_stop(); |
---|
| 906 | |
---|
[1853] | 907 | if ( g_midi_cb.stream != -1 ) |
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| 908 | streams_delete(g_midi_cb.stream); |
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[1843] | 909 | |
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[1853] | 910 | if ( g_midi_cb.console != -1 ) |
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| 911 | close(g_midi_cb.console); |
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[1843] | 912 | |
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[185] | 913 | return 0; |
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[1485] | 914 | #else |
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| 915 | return -1; |
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| 916 | #endif |
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[185] | 917 | } |
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| 918 | |
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| 919 | int midi_cb_play(float t, float freq, int override) { |
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[191] | 920 | float samples_per_sec /* S/s */ = g_sa->rate * g_sa->channels; |
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| 921 | |
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[189] | 922 | /* |
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| 923 | #define MIDI_CB_NOOVERRIDE 0 |
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| 924 | #define MIDI_CB_OVERRIDE 1 |
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| 925 | */ |
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[1853] | 926 | if ( g_midi_cb.playing && override != MIDI_CB_OVERRIDE ) |
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[191] | 927 | return -1; |
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| 928 | |
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[1853] | 929 | g_midi_cb.stoptime = ROAR_MATH_OVERFLOW_ADD(g_pos, samples_per_sec*t); |
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[191] | 930 | midi_cb_start(freq); |
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| 931 | |
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| 932 | return 0; |
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[185] | 933 | } |
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| 934 | |
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[190] | 935 | int midi_cb_update (void) { |
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[1884] | 936 | |
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| 937 | if ( !streams_get_flag(g_midi_cb.stream, ROAR_FLAG_MUTE) ) { |
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| 938 | if ( midi_cb_readbuf() == -1 ) |
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| 939 | return -1; |
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| 940 | } else if ( g_midi_cb.playing ) { |
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| 941 | midi_cb_stop(); |
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| 942 | } |
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[1882] | 943 | |
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[1853] | 944 | if ( !g_midi_cb.playing ) |
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[192] | 945 | return 0; |
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| 946 | |
---|
[1884] | 947 | /* |
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[1853] | 948 | if ( g_midi_cb.stoptime <= g_pos ) |
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[189] | 949 | midi_cb_stop(); |
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[1884] | 950 | */ |
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[189] | 951 | |
---|
[1882] | 952 | ROAR_DBG("midi_cb_update(void) = ?"); |
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| 953 | |
---|
[189] | 954 | return 0; |
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| 955 | } |
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| 956 | |
---|
[185] | 957 | int midi_cb_start(float freq) { |
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| 958 | // On linux this uses ioctl KIOCSOUND |
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[188] | 959 | #ifdef __linux__ |
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[1853] | 960 | if ( g_midi_cb.console == -1 ) |
---|
[188] | 961 | return -1; |
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| 962 | |
---|
[1853] | 963 | if ( ioctl(g_midi_cb.console, KIOCSOUND, freq == 0 ? 0 : (int)(1193180.0/freq)) == -1 ) |
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[188] | 964 | return -1; |
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| 965 | |
---|
[1884] | 966 | g_midi_cb.playing = 1; |
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| 967 | |
---|
[188] | 968 | return 0; |
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| 969 | #else |
---|
[185] | 970 | return -1; |
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[188] | 971 | #endif |
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[185] | 972 | } |
---|
| 973 | |
---|
| 974 | int midi_cb_stop (void) { |
---|
| 975 | #ifdef __linux__ |
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[1884] | 976 | int ret; |
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| 977 | |
---|
| 978 | ret = midi_cb_start(0); |
---|
[1853] | 979 | g_midi_cb.playing = 0; |
---|
[1884] | 980 | |
---|
| 981 | return ret; |
---|
[185] | 982 | #else |
---|
| 983 | return -1; |
---|
| 984 | #endif |
---|
| 985 | } |
---|
| 986 | |
---|
[1882] | 987 | int midi_cb_readbuf(void) { |
---|
| 988 | struct roar_buffer * buf = g_midi_mess.buf; |
---|
| 989 | struct midi_message * mes = NULL; |
---|
[4521] | 990 | void * bufdata; |
---|
[1882] | 991 | |
---|
| 992 | ROAR_DBG("midi_cb_readbuf(void) = ?"); |
---|
| 993 | |
---|
| 994 | while (buf != NULL) { |
---|
| 995 | ROAR_DBG("midi_cb_readbuf(void): buf=%p", buf); |
---|
| 996 | |
---|
[4521] | 997 | if ( roar_buffer_get_data(buf, &bufdata) == -1 ) { |
---|
[1882] | 998 | return -1; |
---|
| 999 | } |
---|
| 1000 | |
---|
[4521] | 1001 | mes = bufdata; |
---|
| 1002 | |
---|
[1882] | 1003 | switch (mes->type) { |
---|
| 1004 | case MIDI_TYPE_NOTE_ON: |
---|
| 1005 | midi_cb_start(mes->d.note.freq); |
---|
| 1006 | break; |
---|
| 1007 | case MIDI_TYPE_NOTE_OFF: |
---|
| 1008 | midi_cb_stop(); |
---|
| 1009 | break; |
---|
[1890] | 1010 | case MIDI_TYPE_CONTROLER: |
---|
[1894] | 1011 | if ( mes->kk == MIDI_CCE_ALL_NOTE_OFF ) /* all note off */ |
---|
[1890] | 1012 | midi_cb_stop(); |
---|
| 1013 | break; |
---|
[1882] | 1014 | } |
---|
| 1015 | |
---|
| 1016 | if ( roar_buffer_get_next(buf, &buf) == -1 ) |
---|
| 1017 | buf = NULL; |
---|
| 1018 | } |
---|
| 1019 | |
---|
| 1020 | return 0; |
---|
| 1021 | } |
---|
[2487] | 1022 | #endif |
---|
[1882] | 1023 | |
---|
[1848] | 1024 | // VIO: |
---|
| 1025 | |
---|
| 1026 | int midi_vio_set_dummy(int stream) { |
---|
| 1027 | struct roar_stream_server * ss; |
---|
| 1028 | |
---|
| 1029 | if ( streams_get(stream, &ss) == -1 ) |
---|
| 1030 | return -1; |
---|
| 1031 | |
---|
| 1032 | ss->vio.read = NULL; |
---|
| 1033 | ss->vio.write = NULL; |
---|
| 1034 | ss->vio.lseek = NULL; |
---|
[1849] | 1035 | ss->vio.nonblock = (int (*)(struct roar_vio_calls * vio, int state))midi_vio_ok; |
---|
| 1036 | ss->vio.sync = (int (*)(struct roar_vio_calls * vio))midi_vio_ok; |
---|
[1848] | 1037 | ss->vio.ctl = NULL; |
---|
[1849] | 1038 | ss->vio.close = (int (*)(struct roar_vio_calls * vio))midi_vio_ok; |
---|
| 1039 | |
---|
| 1040 | return 0; |
---|
[1848] | 1041 | } |
---|
| 1042 | |
---|
| 1043 | int midi_vio_ok(struct roar_vio_calls * vio, ...) { |
---|
| 1044 | return 0; |
---|
| 1045 | } |
---|
| 1046 | |
---|
[2500] | 1047 | #endif |
---|
| 1048 | |
---|
[169] | 1049 | //ll |
---|