[1555] | 1 | //libroarsndio.c: |
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| 2 | |
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| 3 | /* |
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[4708] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2011 |
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[1555] | 5 | * The code (may) include prototypes and comments (and maybe |
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[4038] | 6 | * other code fragements) from OpenBSD's sndio. |
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[4050] | 7 | * See 'Copyright for sndio' below for more information on |
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| 8 | * code fragments taken from OpenBSD's sndio. |
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| 9 | * |
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| 10 | * --- Copyright for sndio --- |
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| 11 | * Copyright (c) 2008 Alexandre Ratchov <alex@caoua.org> |
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| 12 | * |
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| 13 | * Permission to use, copy, modify, and distribute this software for any |
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| 14 | * purpose with or without fee is hereby granted, provided that the above |
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| 15 | * copyright notice and this permission notice appear in all copies. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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| 18 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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| 19 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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| 20 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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| 21 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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| 22 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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| 23 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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| 24 | * --- End of Copyright for sndio --- |
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[1555] | 25 | * |
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| 26 | * This file is part of libroaresd a part of RoarAudio, |
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| 27 | * a cross-platform sound system for both, home and professional use. |
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| 28 | * See README for details. |
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| 29 | * |
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| 30 | * This file is free software; you can redistribute it and/or modify |
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| 31 | * it under the terms of the GNU General Public License version 3 |
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| 32 | * as published by the Free Software Foundation. |
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| 33 | * |
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| 34 | * RoarAudio is distributed in the hope that it will be useful, |
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| 35 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 36 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 37 | * GNU General Public License for more details. |
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| 38 | * |
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| 39 | * You should have received a copy of the GNU General Public License |
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| 40 | * along with this software; see the file COPYING. If not, write to |
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[3517] | 41 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 42 | * Boston, MA 02110-1301, USA. |
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[1555] | 43 | * |
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| 44 | * NOTE for everyone want's to change something and send patches: |
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| 45 | * read README and HACKING! There a addition information on |
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| 46 | * the license of this document you need to read before you send |
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| 47 | * any patches. |
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| 48 | */ |
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| 49 | |
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[1571] | 50 | #define ROAR_USE_OWN_SNDIO_HDL |
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[1555] | 51 | #include "libroarsndio.h" |
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| 52 | |
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[2372] | 53 | static char * sndio_to_roar_names (char * name) { |
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[2373] | 54 | char * unitoffset = NULL; |
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| 55 | char * optsoffset = NULL; |
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| 56 | int unit; |
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[2372] | 57 | |
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| 58 | if ( name == NULL ) |
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| 59 | return NULL; |
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| 60 | |
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[2373] | 61 | if ( !strncmp(name, "sun:", 4) ) { |
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| 62 | unitoffset = name + 4; |
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| 63 | } else if ( !strncmp(name, "aucat:", 6) ) { |
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| 64 | unitoffset = name + 6; |
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| 65 | } else if ( !strncmp(name, "rmidi:", 6) ) { |
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| 66 | unitoffset = name + 6; |
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| 67 | } else if ( !strncmp(name, "midithru:", 9) ) { |
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| 68 | unitoffset = name + 9; |
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| 69 | } else { |
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| 70 | return name; |
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| 71 | } |
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| 72 | |
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[4969] | 73 | if ( (optsoffset = strstr(unitoffset, "/")) != NULL ) { |
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| 74 | *optsoffset = 0; |
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| 75 | return unitoffset; |
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| 76 | } else if ( (optsoffset = strstr(unitoffset, ".")) != NULL ) { |
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[2373] | 77 | // TODO: add some code to strip the options of the end |
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| 78 | return name; |
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| 79 | } else { |
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| 80 | unit = atoi(unitoffset); |
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| 81 | switch (unit) { |
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| 82 | // use defaulst |
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| 83 | case 0: return NULL; break; |
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| 84 | // use UNIX user sock, TODO: need some code here... |
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| 85 | case 1: return NULL; break; |
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| 86 | // use UNIX global sock: |
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| 87 | case 2: return ROAR_DEFAULT_SOCK_GLOBAL; break; |
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| 88 | // use DECnet localnode: |
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| 89 | case 3: return "::"; break; |
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| 90 | // use IPv4 localhost: |
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[2513] | 91 | case 4: return ROAR_DEFAULT_INET4_HOST; break; |
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[2515] | 92 | // reserved for DECnet Phase V: |
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| 93 | case 5: return name; break; |
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[2373] | 94 | // use IPv6 localhost: |
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[2513] | 95 | case 6: return ROAR_DEFAULT_INET6_HOST; break; |
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[2373] | 96 | // default: |
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| 97 | default: |
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| 98 | return name; |
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| 99 | } |
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| 100 | } |
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| 101 | |
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[2372] | 102 | return name; |
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| 103 | } |
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| 104 | |
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[2574] | 105 | struct sio_hdl * sio_open(const char * name, unsigned mode, int nbio_flag) { |
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[1560] | 106 | struct sio_hdl * hdl = NULL; |
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[2359] | 107 | int is_midi = 0; |
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[4969] | 108 | char * tmp; |
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[1560] | 109 | |
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[3833] | 110 | if ( (hdl = roar_mm_malloc(sizeof(struct sio_hdl))) == NULL ) |
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[1560] | 111 | return NULL; |
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| 112 | |
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| 113 | memset(hdl, 0, sizeof(struct sio_hdl)); |
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[4969] | 114 | hdl->device = NULL; |
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[1560] | 115 | |
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[2357] | 116 | switch (mode) { |
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| 117 | case SIO_PLAY: |
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| 118 | hdl->dir = ROAR_DIR_PLAY; |
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| 119 | break; |
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[4969] | 120 | case SIO_REC: |
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| 121 | hdl->dir = ROAR_DIR_PLAY; |
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| 122 | break; |
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[2357] | 123 | case MIO_OUT: |
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[2359] | 124 | is_midi = 1; |
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| 125 | hdl->dir = ROAR_DIR_MIDI_IN; |
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| 126 | break; |
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[2357] | 127 | case MIO_IN: |
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[2359] | 128 | is_midi = 1; |
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| 129 | hdl->dir = ROAR_DIR_MIDI_OUT; |
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| 130 | break; |
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[2360] | 131 | |
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| 132 | // unsupported: |
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[2357] | 133 | case SIO_PLAY|SIO_REC: |
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| 134 | case MIO_OUT|MIO_IN: |
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[2360] | 135 | |
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| 136 | // illigal: |
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[2357] | 137 | default: |
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[3833] | 138 | roar_mm_free(hdl); |
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[2357] | 139 | return NULL; |
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| 140 | } |
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| 141 | |
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[2371] | 142 | if ( name == NULL ) { |
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| 143 | if ( is_midi ) { |
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| 144 | name = getenv("MIDIDEVICE"); |
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| 145 | } else { |
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| 146 | name = getenv("AUDIODEVICE"); |
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| 147 | } |
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| 148 | } |
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| 149 | |
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[4969] | 150 | if ( name != NULL ) { |
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| 151 | tmp = roar_mm_strdup(name); |
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| 152 | name = sndio_to_roar_names(tmp); |
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[2372] | 153 | |
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[4969] | 154 | if ( name != NULL ) |
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| 155 | hdl->device = roar_mm_strdup(name); |
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| 156 | |
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| 157 | roar_mm_free(tmp); |
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| 158 | } |
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| 159 | |
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| 160 | if ( roar_simple_connect(&(hdl->con), hdl->device, "libroarsndio") == -1 ) { |
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| 161 | roar_mm_free(hdl->device); |
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[3833] | 162 | roar_mm_free(hdl); |
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[1573] | 163 | return NULL; |
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| 164 | } |
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| 165 | |
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[1560] | 166 | sio_initpar(&(hdl->para)); |
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| 167 | |
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[2019] | 168 | hdl->stream_opened = 0; |
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[1560] | 169 | |
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[2359] | 170 | if ( is_midi ) { |
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| 171 | hdl->info.codec = ROAR_CODEC_MIDI; |
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[2575] | 172 | hdl->info.bits = ROAR_MIDI_BITS; |
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| 173 | hdl->info.channels = ROAR_MIDI_CHANNELS_DEFAULT; |
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| 174 | hdl->info.rate = ROAR_MIDI_TICKS_PER_BEAT; |
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[2359] | 175 | if ( !sio_start(hdl) ) { |
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| 176 | sio_close(hdl); |
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| 177 | return NULL; |
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| 178 | } |
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| 179 | } |
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| 180 | |
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[3237] | 181 | hdl->nonblock = nbio_flag; |
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| 182 | |
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[1560] | 183 | return hdl; |
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| 184 | } |
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| 185 | |
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| 186 | void sio_close (struct sio_hdl * hdl) { |
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| 187 | if ( hdl == NULL ) |
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| 188 | return; |
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| 189 | |
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[2019] | 190 | sio_stop(hdl); |
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[1560] | 191 | |
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[1573] | 192 | roar_disconnect(&(hdl->con)); |
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| 193 | |
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[4969] | 194 | if ( hdl->device != NULL ) |
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| 195 | roar_mm_free(hdl->device); |
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[3833] | 196 | roar_mm_free(hdl); |
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[1560] | 197 | } |
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| 198 | |
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| 199 | int sio_eof (struct sio_hdl * hdl) { |
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[3238] | 200 | return hdl->ioerror; |
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[1560] | 201 | } |
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| 202 | |
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| 203 | void sio_onmove (struct sio_hdl * hdl, void (*cb)(void * arg, int delta), void * arg) { |
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| 204 | if ( hdl == NULL ) |
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| 205 | return; |
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| 206 | |
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| 207 | hdl->on_move = cb; |
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| 208 | hdl->on_move_arg = arg; |
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| 209 | } |
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| 210 | |
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[1555] | 211 | //ll |
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