[1543] | 1 | //driver_sndio.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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[1543] | 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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[1543] | 23 | * |
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| 24 | */ |
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| 25 | |
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| 26 | #include "roard.h" |
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| 27 | #ifdef ROAR_HAVE_LIBSNDIO |
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| 28 | |
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[1547] | 29 | int driver_sndio_init_vio(struct roar_vio_calls * vio, struct driver_sndio * inst) { |
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| 30 | if ( vio == NULL ) |
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| 31 | return -1; |
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| 32 | |
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| 33 | memset(vio, 0, sizeof(struct roar_vio_calls)); |
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| 34 | |
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| 35 | vio->close = driver_sndio_close_vio; |
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| 36 | vio->write = driver_sndio_write; |
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| 37 | vio->sync = driver_sndio_sync; |
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| 38 | vio->ctl = driver_sndio_ctl; |
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[5012] | 39 | vio->nonblock = driver_dummy_nonblock; |
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[1547] | 40 | |
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| 41 | vio->inst = (void*) inst; |
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| 42 | |
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| 43 | return 0; |
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| 44 | } |
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| 45 | |
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[4975] | 46 | #define er() if ( self->shandle ) sio_close(self->shandle); \ |
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| 47 | if ( self->mhandle ) mio_close(self->mhandle); \ |
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| 48 | if ( self->device ) roar_mm_free(self->device); \ |
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| 49 | roar_mm_free(self); \ |
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[2370] | 50 | return -1 |
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| 51 | |
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[2367] | 52 | 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] | 53 | struct driver_sndio * self = NULL; |
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| 54 | |
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[4957] | 55 | if ( (self = roar_mm_malloc(sizeof(struct driver_sndio))) == NULL ) { |
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| 56 | ROAR_ERR("driver_sndio_open(*): Can not roar_mm_malloc() instance data: %s", strerror(errno)); |
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[1547] | 57 | return -1; |
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| 58 | } |
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| 59 | |
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| 60 | memset(self, 0, sizeof(struct driver_sndio)); |
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| 61 | memcpy(&(self->info), info, sizeof(struct roar_audio_info)); |
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| 62 | |
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| 63 | self->ssid = -1; |
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| 64 | |
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[2370] | 65 | if ( sstream == NULL ) { |
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| 66 | self->stream = NULL; |
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| 67 | self->dir = ROAR_DIR_OUTPUT; |
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| 68 | } else { |
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| 69 | self->stream = sstream; |
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| 70 | self->dir = ROAR_STREAM(sstream)->dir; |
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| 71 | |
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| 72 | switch (self->dir) { |
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| 73 | case ROAR_DIR_OUTPUT: |
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| 74 | case ROAR_DIR_MONITOR: |
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| 75 | self->dir = ROAR_DIR_OUTPUT; |
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| 76 | break; |
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| 77 | case ROAR_DIR_MIDI_OUT: |
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| 78 | info->channels = 16; |
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| 79 | info->codec = ROAR_CODEC_MIDI; |
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| 80 | info->bits = 8; |
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| 81 | break; |
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| 82 | default: |
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| 83 | er(); |
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| 84 | } |
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| 85 | } |
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| 86 | |
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[1547] | 87 | if ( device != NULL ) |
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[4957] | 88 | self->device = roar_mm_strdup(device); |
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[1547] | 89 | |
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| 90 | if ( driver_sndio_init_vio(inst, self) == -1 ) { |
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| 91 | ROAR_ERR("driver_sndio_open(*): Can not init vio interface"); |
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| 92 | er(); |
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| 93 | } |
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| 94 | |
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| 95 | if ( driver_sndio_open_device(self) == -1 ) { |
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| 96 | ROAR_ERR("driver_sndio_open(*): Can not open audio device"); |
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[2370] | 97 | er(); |
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[1547] | 98 | } |
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| 99 | |
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[2369] | 100 | ROAR_DBG("driver_sndio_open(*): sndio devices opened :)"); |
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[1547] | 101 | |
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| 102 | return 0; |
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| 103 | } |
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| 104 | #undef er |
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| 105 | |
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| 106 | int driver_sndio_close_vio (struct roar_vio_calls * vio) { |
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| 107 | struct driver_sndio * self = vio->inst; |
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| 108 | |
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[2370] | 109 | if ( self->shandle != NULL ) |
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| 110 | sio_close(self->shandle); |
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| 111 | |
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| 112 | if ( self->mhandle != NULL ) |
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| 113 | mio_close(self->mhandle); |
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[1547] | 114 | |
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| 115 | if ( self->device != NULL ) |
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[4957] | 116 | roar_mm_free(self->device); |
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[1547] | 117 | |
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[4957] | 118 | roar_mm_free(self); |
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[1547] | 119 | |
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| 120 | return 0; |
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| 121 | } |
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| 122 | |
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| 123 | int driver_sndio_open_device (struct driver_sndio * self) { |
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| 124 | |
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[2370] | 125 | ROAR_DBG("driver_sndio_open_device(*) = ?"); |
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| 126 | switch (self->dir) { |
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| 127 | case ROAR_DIR_OUTPUT: |
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| 128 | if ( (self->shandle = sio_open(self->device, SIO_PLAY, 0)) == NULL ) { |
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| 129 | ROAR_ERR("driver_sndio_open_device(*): Can not open sndio audio device"); |
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| 130 | return -1; |
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| 131 | } |
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| 132 | self->need_config = 1; |
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| 133 | break; |
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| 134 | case ROAR_DIR_MIDI_OUT: |
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| 135 | if ( (self->mhandle = mio_open(self->device, MIO_OUT, 0)) == NULL ) { |
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| 136 | ROAR_ERR("driver_sndio_open_device(*): Can not open sndio MIDI device"); |
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| 137 | return -1; |
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| 138 | } |
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| 139 | break; |
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| 140 | default: |
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| 141 | return -1; |
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[1547] | 142 | } |
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| 143 | |
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[2370] | 144 | ROAR_DBG("driver_sndio_open_device(*) = ?"); |
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[1547] | 145 | return 0; |
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| 146 | } |
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| 147 | |
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| 148 | int driver_sndio_config_device(struct driver_sndio * self) { |
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| 149 | struct sio_par par; |
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| 150 | |
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| 151 | sio_initpar(&par); |
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| 152 | |
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| 153 | par.bits = self->info.bits; |
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| 154 | par.rate = self->info.rate; |
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| 155 | par.pchan = self->info.channels; |
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| 156 | |
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| 157 | switch (self->info.codec) { |
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| 158 | case ROAR_CODEC_PCM_S_LE: |
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| 159 | par.le = 1; |
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| 160 | par.sig = 1; |
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| 161 | break; |
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| 162 | case ROAR_CODEC_PCM_S_BE: |
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| 163 | par.le = 0; |
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| 164 | par.sig = 1; |
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| 165 | break; |
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| 166 | case ROAR_CODEC_PCM_U_LE: |
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| 167 | par.le = 1; |
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| 168 | par.sig = 0; |
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| 169 | break; |
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| 170 | case ROAR_CODEC_PCM_U_BE: |
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| 171 | par.le = 0; |
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| 172 | par.sig = 0; |
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| 173 | break; |
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| 174 | default: |
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| 175 | return -1; |
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| 176 | break; |
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| 177 | } |
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| 178 | |
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[2370] | 179 | if ( sio_setpar(self->shandle, &par) == 0 ) { |
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[1583] | 180 | ROAR_ERR("driver_sndio_config_device(*): Can not set stream parameters"); |
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[1548] | 181 | return -1; |
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[1583] | 182 | } |
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[1548] | 183 | |
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[2370] | 184 | if ( sio_start(self->shandle) == 0 ) { |
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[1583] | 185 | ROAR_ERR("driver_sndio_config_device(*): Can not start stream"); |
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[1548] | 186 | return -1; |
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[1583] | 187 | } |
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[1548] | 188 | |
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[1583] | 189 | self->need_config = 0; |
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| 190 | |
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| 191 | return 0; |
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[1543] | 192 | } |
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| 193 | |
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[1549] | 194 | int driver_sndio_reopen_device(struct driver_sndio * self) { |
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| 195 | return -1; |
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| 196 | } |
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| 197 | |
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| 198 | ssize_t driver_sndio_write (struct roar_vio_calls * vio, void *buf, size_t count) { |
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| 199 | struct driver_sndio * self = vio->inst; |
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| 200 | |
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[2370] | 201 | ROAR_DBG("driver_sndio_write(*) = ?"); |
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| 202 | |
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[1549] | 203 | if ( self->need_config ) { |
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| 204 | if ( driver_sndio_config_device(vio->inst) == -1 ) { |
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| 205 | return -1; |
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| 206 | } |
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| 207 | } |
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| 208 | |
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[2370] | 209 | ROAR_DBG("driver_sndio_write(*) = ?"); |
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| 210 | |
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| 211 | switch (self->dir) { |
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| 212 | case ROAR_DIR_OUTPUT: |
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| 213 | return sio_write(self->shandle, buf, count); |
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| 214 | break; |
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| 215 | case ROAR_DIR_MIDI_OUT: |
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| 216 | return mio_write(self->mhandle, buf, count); |
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| 217 | break; |
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| 218 | } |
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| 219 | |
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| 220 | ROAR_WARN("driver_sndio_write(*): Driver changed direction to something not supported, this should not happen"); |
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| 221 | |
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| 222 | return -1; |
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[1549] | 223 | } |
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| 224 | |
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| 225 | int driver_sndio_sync (struct roar_vio_calls * vio) { |
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| 226 | return -1; |
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| 227 | } |
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| 228 | |
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| 229 | #define data(x) x: if ( data == NULL ) return -1; |
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| 230 | #define no_data(x) x: if ( data != NULL ) return -1; |
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[1547] | 231 | |
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| 232 | int driver_sndio_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
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[1549] | 233 | struct driver_sndio * self = vio->inst; |
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[1672] | 234 | unsigned d; |
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[1549] | 235 | |
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[1547] | 236 | switch (cmd) { |
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[1549] | 237 | case data(ROAR_VIO_CTL_SET_SSTREAMID) |
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| 238 | self->ssid = *(int *)data; |
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| 239 | break; |
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| 240 | case data(ROAR_VIO_CTL_SET_SSTREAM) |
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[2370] | 241 | // FIXME: we should do some better error handling here: |
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| 242 | if ( ROAR_STREAM(data)->dir != self->dir ) return -1; |
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[1549] | 243 | self->stream = data; |
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| 244 | break; |
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| 245 | case data(ROAR_VIO_CTL_GET_AUINFO) |
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| 246 | memcpy(data, &(self->info), sizeof(struct roar_audio_info)); |
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| 247 | break; |
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| 248 | case data(ROAR_VIO_CTL_SET_AUINFO) |
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| 249 | memcpy(&(self->info), data, sizeof(struct roar_audio_info)); |
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| 250 | return driver_sndio_reopen_device(self); |
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| 251 | break; |
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[1672] | 252 | case ROAR_VIO_CTL_SET_VOLUME: |
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| 253 | switch (self->info.channels) { |
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| 254 | case 1: |
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| 255 | d = ROAR_MIXER(data)->mixer[0] * SIO_MAXVOL / ROAR_MIXER(data)->scale; |
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| 256 | break; |
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| 257 | case 2: |
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| 258 | if ( ROAR_MIXER(data)->mixer[0] != ROAR_MIXER(data)->mixer[1] ) |
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| 259 | return -1; |
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| 260 | d = ROAR_MIXER(data)->mixer[0] * SIO_MAXVOL / ROAR_MIXER(data)->scale; |
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| 261 | break; |
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| 262 | default: |
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| 263 | return -1; |
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| 264 | } |
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[2370] | 265 | return sio_setvol(self->shandle, d) == 0 ? -1 : 0; |
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[1672] | 266 | break; |
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[1549] | 267 | default: |
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| 268 | return -1; |
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| 269 | break; |
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[1547] | 270 | } |
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| 271 | |
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| 272 | return 0; |
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| 273 | } |
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| 274 | |
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[1543] | 275 | #endif |
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| 276 | |
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| 277 | //ll |
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