[1543] | 1 | //driver_sndio.c: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009 |
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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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| 25 | #include "roard.h" |
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| 26 | #ifdef ROAR_HAVE_LIBSNDIO |
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| 27 | |
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[1547] | 28 | int driver_sndio_init_vio(struct roar_vio_calls * vio, struct driver_sndio * inst) { |
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| 29 | if ( vio == NULL ) |
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| 30 | return -1; |
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| 31 | |
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| 32 | memset(vio, 0, sizeof(struct roar_vio_calls)); |
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| 33 | |
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| 34 | vio->close = driver_sndio_close_vio; |
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| 35 | vio->write = driver_sndio_write; |
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| 36 | vio->sync = driver_sndio_sync; |
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| 37 | vio->ctl = driver_sndio_ctl; |
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| 38 | |
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| 39 | vio->inst = (void*) inst; |
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| 40 | |
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| 41 | return 0; |
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| 42 | } |
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| 43 | |
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[2370] | 44 | #define er() if ( self->shandle ) sio_close(self->shandle); \ |
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| 45 | if ( self->mhandle ) mio_close(self->mhandle); \ |
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| 46 | if ( self->device ) free(self->device); \ |
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| 47 | free(self); \ |
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| 48 | return -1 |
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| 49 | |
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[2367] | 50 | int driver_sndio_open(struct roar_vio_calls * inst, char * device, struct roar_audio_info * info, int fh, struct roar_stream_server * sstream) { |
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[1547] | 51 | struct driver_sndio * self = NULL; |
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| 52 | |
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| 53 | if ( (self = malloc(sizeof(struct driver_sndio))) == NULL ) { |
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| 54 | ROAR_ERR("driver_sndio_open(*): Can not malloc() instance data: %s", strerror(errno)); |
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| 55 | return -1; |
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| 56 | } |
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| 57 | |
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| 58 | memset(self, 0, sizeof(struct driver_sndio)); |
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| 59 | memcpy(&(self->info), info, sizeof(struct roar_audio_info)); |
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| 60 | |
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| 61 | self->ssid = -1; |
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| 62 | |
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[2370] | 63 | if ( sstream == NULL ) { |
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| 64 | self->stream = NULL; |
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| 65 | self->dir = ROAR_DIR_OUTPUT; |
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| 66 | } else { |
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| 67 | self->stream = sstream; |
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| 68 | self->dir = ROAR_STREAM(sstream)->dir; |
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| 69 | |
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| 70 | switch (self->dir) { |
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| 71 | case ROAR_DIR_OUTPUT: |
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| 72 | case ROAR_DIR_MONITOR: |
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| 73 | self->dir = ROAR_DIR_OUTPUT; |
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| 74 | break; |
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| 75 | case ROAR_DIR_MIDI_OUT: |
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| 76 | info->channels = 16; |
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| 77 | info->codec = ROAR_CODEC_MIDI; |
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| 78 | info->bits = 8; |
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| 79 | break; |
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| 80 | default: |
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| 81 | er(); |
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| 82 | } |
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| 83 | } |
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| 84 | |
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[1547] | 85 | if ( device != NULL ) |
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| 86 | self->device = strdup(device); |
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| 87 | |
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| 88 | if ( driver_sndio_init_vio(inst, self) == -1 ) { |
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| 89 | ROAR_ERR("driver_sndio_open(*): Can not init vio interface"); |
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| 90 | er(); |
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| 91 | } |
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| 92 | |
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| 93 | if ( driver_sndio_open_device(self) == -1 ) { |
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| 94 | ROAR_ERR("driver_sndio_open(*): Can not open audio device"); |
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[2370] | 95 | er(); |
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[1547] | 96 | } |
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| 97 | |
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[2369] | 98 | ROAR_DBG("driver_sndio_open(*): sndio devices opened :)"); |
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[1547] | 99 | |
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| 100 | return 0; |
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| 101 | } |
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| 102 | #undef er |
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| 103 | |
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| 104 | int driver_sndio_close_vio (struct roar_vio_calls * vio) { |
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| 105 | struct driver_sndio * self = vio->inst; |
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| 106 | |
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[2370] | 107 | if ( self->shandle != NULL ) |
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| 108 | sio_close(self->shandle); |
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| 109 | |
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| 110 | if ( self->mhandle != NULL ) |
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| 111 | mio_close(self->mhandle); |
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[1547] | 112 | |
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| 113 | if ( self->device != NULL ) |
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| 114 | free(self->device); |
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| 115 | |
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| 116 | free(self); |
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| 117 | |
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| 118 | return 0; |
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| 119 | } |
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| 120 | |
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| 121 | int driver_sndio_open_device (struct driver_sndio * self) { |
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| 122 | |
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[2370] | 123 | ROAR_DBG("driver_sndio_open_device(*) = ?"); |
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| 124 | switch (self->dir) { |
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| 125 | case ROAR_DIR_OUTPUT: |
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| 126 | if ( (self->shandle = sio_open(self->device, SIO_PLAY, 0)) == NULL ) { |
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| 127 | ROAR_ERR("driver_sndio_open_device(*): Can not open sndio audio device"); |
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| 128 | return -1; |
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| 129 | } |
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| 130 | self->need_config = 1; |
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| 131 | break; |
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| 132 | case ROAR_DIR_MIDI_OUT: |
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| 133 | if ( (self->mhandle = mio_open(self->device, MIO_OUT, 0)) == NULL ) { |
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| 134 | ROAR_ERR("driver_sndio_open_device(*): Can not open sndio MIDI device"); |
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| 135 | return -1; |
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| 136 | } |
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| 137 | break; |
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| 138 | default: |
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| 139 | return -1; |
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[1547] | 140 | } |
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| 141 | |
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[2370] | 142 | ROAR_DBG("driver_sndio_open_device(*) = ?"); |
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[1547] | 143 | return 0; |
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| 144 | } |
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| 145 | |
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| 146 | int driver_sndio_config_device(struct driver_sndio * self) { |
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| 147 | struct sio_par par; |
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| 148 | |
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| 149 | sio_initpar(&par); |
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| 150 | |
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| 151 | par.bits = self->info.bits; |
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| 152 | par.rate = self->info.rate; |
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| 153 | par.pchan = self->info.channels; |
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| 154 | |
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| 155 | switch (self->info.codec) { |
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| 156 | case ROAR_CODEC_PCM_S_LE: |
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| 157 | par.le = 1; |
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| 158 | par.sig = 1; |
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| 159 | break; |
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| 160 | case ROAR_CODEC_PCM_S_BE: |
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| 161 | par.le = 0; |
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| 162 | par.sig = 1; |
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| 163 | break; |
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| 164 | case ROAR_CODEC_PCM_U_LE: |
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| 165 | par.le = 1; |
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| 166 | par.sig = 0; |
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| 167 | break; |
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| 168 | case ROAR_CODEC_PCM_U_BE: |
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| 169 | par.le = 0; |
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| 170 | par.sig = 0; |
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| 171 | break; |
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| 172 | default: |
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| 173 | return -1; |
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| 174 | break; |
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| 175 | } |
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| 176 | |
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[2370] | 177 | if ( sio_setpar(self->shandle, &par) == 0 ) { |
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[1583] | 178 | ROAR_ERR("driver_sndio_config_device(*): Can not set stream parameters"); |
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[1548] | 179 | return -1; |
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[1583] | 180 | } |
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[1548] | 181 | |
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[2370] | 182 | if ( sio_start(self->shandle) == 0 ) { |
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[1583] | 183 | ROAR_ERR("driver_sndio_config_device(*): Can not start stream"); |
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[1548] | 184 | return -1; |
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[1583] | 185 | } |
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[1548] | 186 | |
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[1583] | 187 | self->need_config = 0; |
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| 188 | |
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| 189 | return 0; |
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[1543] | 190 | } |
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| 191 | |
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[1549] | 192 | int driver_sndio_reopen_device(struct driver_sndio * self) { |
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| 193 | return -1; |
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| 194 | } |
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| 195 | |
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| 196 | ssize_t driver_sndio_write (struct roar_vio_calls * vio, void *buf, size_t count) { |
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| 197 | struct driver_sndio * self = vio->inst; |
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| 198 | |
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[2370] | 199 | ROAR_DBG("driver_sndio_write(*) = ?"); |
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| 200 | |
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[1549] | 201 | if ( self->need_config ) { |
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| 202 | if ( driver_sndio_config_device(vio->inst) == -1 ) { |
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| 203 | return -1; |
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| 204 | } |
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| 205 | } |
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| 206 | |
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[2370] | 207 | ROAR_DBG("driver_sndio_write(*) = ?"); |
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| 208 | |
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| 209 | switch (self->dir) { |
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| 210 | case ROAR_DIR_OUTPUT: |
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| 211 | return sio_write(self->shandle, buf, count); |
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| 212 | break; |
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| 213 | case ROAR_DIR_MIDI_OUT: |
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| 214 | return mio_write(self->mhandle, buf, count); |
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| 215 | break; |
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| 216 | } |
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| 217 | |
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| 218 | ROAR_WARN("driver_sndio_write(*): Driver changed direction to something not supported, this should not happen"); |
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| 219 | |
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| 220 | return -1; |
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[1549] | 221 | } |
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| 222 | |
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| 223 | int driver_sndio_sync (struct roar_vio_calls * vio) { |
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| 224 | return -1; |
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| 225 | } |
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| 226 | |
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| 227 | #define data(x) x: if ( data == NULL ) return -1; |
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| 228 | #define no_data(x) x: if ( data != NULL ) return -1; |
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[1547] | 229 | |
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| 230 | int driver_sndio_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
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[1549] | 231 | struct driver_sndio * self = vio->inst; |
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[1672] | 232 | unsigned d; |
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[1549] | 233 | |
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[1547] | 234 | switch (cmd) { |
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[1549] | 235 | case data(ROAR_VIO_CTL_SET_SSTREAMID) |
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| 236 | self->ssid = *(int *)data; |
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| 237 | break; |
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| 238 | case data(ROAR_VIO_CTL_SET_SSTREAM) |
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[2370] | 239 | // FIXME: we should do some better error handling here: |
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| 240 | if ( ROAR_STREAM(data)->dir != self->dir ) return -1; |
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[1549] | 241 | self->stream = data; |
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| 242 | break; |
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| 243 | case data(ROAR_VIO_CTL_GET_AUINFO) |
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| 244 | memcpy(data, &(self->info), sizeof(struct roar_audio_info)); |
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| 245 | break; |
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| 246 | case data(ROAR_VIO_CTL_SET_AUINFO) |
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| 247 | memcpy(&(self->info), data, sizeof(struct roar_audio_info)); |
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| 248 | return driver_sndio_reopen_device(self); |
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| 249 | break; |
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[1672] | 250 | case ROAR_VIO_CTL_SET_VOLUME: |
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| 251 | switch (self->info.channels) { |
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| 252 | case 1: |
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| 253 | d = ROAR_MIXER(data)->mixer[0] * SIO_MAXVOL / ROAR_MIXER(data)->scale; |
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| 254 | break; |
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| 255 | case 2: |
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| 256 | if ( ROAR_MIXER(data)->mixer[0] != ROAR_MIXER(data)->mixer[1] ) |
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| 257 | return -1; |
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| 258 | d = ROAR_MIXER(data)->mixer[0] * SIO_MAXVOL / ROAR_MIXER(data)->scale; |
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| 259 | break; |
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| 260 | default: |
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| 261 | return -1; |
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| 262 | } |
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[2370] | 263 | return sio_setvol(self->shandle, d) == 0 ? -1 : 0; |
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[1672] | 264 | break; |
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[1549] | 265 | default: |
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| 266 | return -1; |
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| 267 | break; |
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[1547] | 268 | } |
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| 269 | |
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| 270 | return 0; |
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| 271 | } |
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| 272 | |
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[1543] | 273 | #endif |
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| 274 | |
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| 275 | //ll |
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