[3725] | 1 | //driver_rsound.c: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010 |
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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, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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| 23 | * |
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| 24 | */ |
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| 25 | |
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| 26 | #define _DRV_NEED_RSOUND_H |
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| 27 | #include "roard.h" |
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| 28 | |
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| 29 | int driver_rsound_open (struct roar_vio_calls * inst, char * device, struct roar_audio_info * info, int fh, struct roar_stream_server * sstream) { |
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| 30 | rsound_t * self; |
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| 31 | int tmp, tmp2; |
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| 32 | |
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| 33 | if ( fh != -1 ) |
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| 34 | return -1; |
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| 35 | |
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[3726] | 36 | if ( rsd_init(&self) == -1 ) { |
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| 37 | ROAR_DBG("driver_rsound_open(*): rsd_init(&self) failed."); |
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[3725] | 38 | return -1; |
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[3726] | 39 | } |
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[3725] | 40 | |
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| 41 | if ( device != NULL ) { |
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| 42 | if ( rsd_set_param(self, RSD_HOST, device) == -1 ) { |
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[3726] | 43 | ROAR_DBG("driver_rsound_open(*): rsd_set_param(self, RSD_HOST, device) failed."); |
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[3725] | 44 | rsd_free(self); |
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| 45 | return -1; |
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| 46 | } |
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| 47 | } |
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| 48 | |
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| 49 | tmp = info->channels; |
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| 50 | if ( rsd_set_param(self, RSD_CHANNELS, &tmp) == -1 ) { |
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[3726] | 51 | ROAR_DBG("driver_rsound_open(*): rsd_set_param(self, RSD_CHANNELS, &tmp) failed."); |
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[3725] | 52 | rsd_free(self); |
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| 53 | return -1; |
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| 54 | } |
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| 55 | |
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| 56 | if ( tmp != info->channels ) { |
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| 57 | rsd_free(self); |
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| 58 | return -1; |
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| 59 | } |
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| 60 | |
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| 61 | tmp = info->rate; |
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| 62 | if ( rsd_set_param(self, RSD_SAMPLERATE, &tmp) == -1 ) { |
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[3726] | 63 | ROAR_DBG("driver_rsound_open(*): rsd_set_param(self, RSD_SAMPLERATE, &tmp) failed."); |
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[3725] | 64 | rsd_free(self); |
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| 65 | return -1; |
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| 66 | } |
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| 67 | |
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| 68 | if ( tmp != info->rate ) { |
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| 69 | rsd_free(self); |
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| 70 | return -1; |
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| 71 | } |
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| 72 | |
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| 73 | tmp = -1; // unknown by RSound |
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| 74 | |
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| 75 | switch (info->codec) { |
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| 76 | case ROAR_CODEC_PCM_S_LE: |
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| 77 | switch (info->bits) { |
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| 78 | case 8: tmp = RSD_S8; break; |
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| 79 | case 16: tmp = RSD_S16_LE; break; |
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| 80 | } |
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| 81 | break; |
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| 82 | case ROAR_CODEC_PCM_S_BE: |
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| 83 | switch (info->bits) { |
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| 84 | case 8: tmp = RSD_S8; break; |
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| 85 | case 16: tmp = RSD_S16_BE; break; |
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| 86 | } |
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| 87 | break; |
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| 88 | case ROAR_CODEC_PCM_U_LE: |
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| 89 | switch (info->bits) { |
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| 90 | case 8: tmp = RSD_S8; break; |
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| 91 | case 16: tmp = RSD_U16_LE; break; |
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| 92 | } |
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| 93 | break; |
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| 94 | case ROAR_CODEC_PCM_U_BE: |
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| 95 | switch (info->bits) { |
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| 96 | case 8: tmp = RSD_S8; break; |
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| 97 | case 16: tmp = RSD_U16_BE; break; |
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| 98 | } |
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| 99 | break; |
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| 100 | } |
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| 101 | |
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| 102 | if ( tmp == -1 ) { |
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[3726] | 103 | ROAR_DBG("driver_rsound_open(*): Codec/Bits not supported by RSound"); |
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[3725] | 104 | rsd_free(self); |
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| 105 | return -1; |
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| 106 | } |
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| 107 | |
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| 108 | tmp2 = tmp; |
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| 109 | |
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| 110 | if ( rsd_set_param(self, RSD_FORMAT, &tmp) == -1 ) { |
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[3726] | 111 | ROAR_DBG("driver_rsound_open(*): rsd_set_param(self, RSD_FORMAT, &tmp={0x%x->0x%x}) failed.", tmp2, tmp); |
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[3725] | 112 | rsd_free(self); |
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| 113 | return -1; |
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| 114 | } |
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| 115 | |
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| 116 | if ( tmp != tmp2 ) { |
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| 117 | rsd_free(self); |
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| 118 | return -1; |
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| 119 | } |
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| 120 | |
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| 121 | if ( rsd_start(self) == -1 ) { |
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[3726] | 122 | ROAR_DBG("driver_rsound_open(*): rsd_start(self) failed."); |
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[3725] | 123 | rsd_free(self); |
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| 124 | return -1; |
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| 125 | } |
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| 126 | |
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| 127 | memset(inst, 0, sizeof(struct roar_vio_calls)); |
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| 128 | |
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| 129 | inst->inst = self; |
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| 130 | inst->close = driver_rsound_close; |
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| 131 | inst->write = driver_rsound_write; |
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| 132 | |
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| 133 | return 0; |
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| 134 | } |
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| 135 | |
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| 136 | int driver_rsound_close (struct roar_vio_calls * vio) { |
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| 137 | int r = 0; |
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| 138 | |
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| 139 | if ( rsd_stop(vio->inst) == -1 ) |
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| 140 | r = -1; |
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| 141 | |
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| 142 | if ( rsd_free(vio->inst) == -1 ) |
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| 143 | r = -1; |
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| 144 | |
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| 145 | return r; |
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| 146 | } |
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| 147 | |
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| 148 | ssize_t driver_rsound_write (struct roar_vio_calls * vio, void *buf, size_t count) { |
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| 149 | size_t ret; |
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| 150 | |
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| 151 | ret = rsd_write(vio->inst, buf, count); |
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| 152 | |
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| 153 | if ( ret == 0 ) |
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| 154 | return -1; |
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| 155 | |
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| 156 | return ret; |
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| 157 | } |
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| 158 | |
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| 159 | //ll |
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