[916] | 1 | //driver_oss.c: |
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| 2 | |
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| 3 | /* |
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[4708] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2011 |
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[916] | 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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[916] | 23 | * |
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| 24 | */ |
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| 25 | |
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| 26 | #include "roard.h" |
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| 27 | #if defined(ROAR_HAVE_OSS_BSD) || defined(ROAR_HAVE_OSS) |
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| 28 | |
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[1518] | 29 | |
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| 30 | #define _get(vio,obj) (((struct driver_oss*)((vio)->inst))->obj) |
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| 31 | |
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| 32 | int driver_oss_init_vio(struct roar_vio_calls * vio, struct driver_oss * inst) { |
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| 33 | if ( vio == NULL ) |
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| 34 | return -1; |
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[919] | 35 | |
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[1518] | 36 | memset(vio, 0, sizeof(struct roar_vio_calls)); |
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| 37 | |
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| 38 | vio->write = driver_oss_write; |
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| 39 | vio->nonblock = driver_oss_nonblock; |
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| 40 | vio->sync = driver_oss_sync; |
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| 41 | vio->ctl = driver_oss_ctl; |
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| 42 | vio->close = driver_oss_close_vio; |
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| 43 | |
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| 44 | vio->inst = (void*) inst; |
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| 45 | |
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| 46 | return 0; |
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| 47 | } |
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| 48 | |
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| 49 | int driver_oss_open_device(struct driver_oss * self) { |
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| 50 | int fh = self->fh; |
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| 51 | char * device = self->device; |
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| 52 | |
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| 53 | if ( fh != -1 ) |
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| 54 | return 0; |
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[919] | 55 | |
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[924] | 56 | #ifdef ROAR_DEFAULT_OSS_DEV |
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[919] | 57 | if ( device == NULL ) |
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| 58 | device = ROAR_DEFAULT_OSS_DEV; |
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[924] | 59 | #endif |
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| 60 | |
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| 61 | if ( device == NULL ) { |
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[1518] | 62 | ROAR_ERR("driver_oss_open_device(*): no default device found, you need to specify one manuelly"); |
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| 63 | return -1; |
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| 64 | } |
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| 65 | |
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| 66 | if ( (fh = open(device, O_WRONLY, 0644)) == -1 ) { |
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| 67 | ROAR_ERR("driver_oss_open_device(*): Can not open OSS device: %s: %s", device, strerror(errno)); |
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[924] | 68 | return -1; |
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| 69 | } |
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[919] | 70 | |
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[1526] | 71 | self->fh = fh; |
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| 72 | self->need_config = 1; |
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[1518] | 73 | |
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| 74 | return 0; |
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| 75 | } |
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[919] | 76 | |
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[1518] | 77 | int driver_oss_config_device(struct driver_oss * self) { |
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| 78 | int fh = self->fh; |
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| 79 | struct roar_audio_info * info = &(self->info); |
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| 80 | int tmp, ctmp; |
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| 81 | char * es; |
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[1532] | 82 | int autoconfig = 0; |
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| 83 | int need_update_server = 0; |
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[919] | 84 | |
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[1518] | 85 | if ( fh == -1 ) |
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| 86 | return -1; |
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[945] | 87 | |
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[1532] | 88 | if ( self->ssid != -1 ) { |
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| 89 | autoconfig = streams_get_flag(self->ssid, ROAR_FLAG_AUTOCONF); |
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| 90 | } |
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| 91 | |
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[1533] | 92 | ROAR_DBG("driver_oss_config_device(self=%p): ssid=%i, autoconfig=%i", self, self->ssid, autoconfig); |
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[1532] | 93 | |
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[945] | 94 | #ifdef SNDCTL_DSP_CHANNELS |
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| 95 | tmp = info->channels; |
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| 96 | |
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| 97 | if ( ioctl(fh, SNDCTL_DSP_CHANNELS, &tmp) == -1 ) { |
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[1533] | 98 | ROAR_ERR("driver_oss_config_device(*): can not set number of channels"); |
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[1518] | 99 | return -1; |
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[945] | 100 | } |
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| 101 | |
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| 102 | if ( tmp != info->channels ) { |
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[1532] | 103 | if ( autoconfig ) { |
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| 104 | need_update_server = 1; |
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| 105 | self->info.channels = tmp; |
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| 106 | } else { |
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[1533] | 107 | ROAR_ERR("driver_oss_config_device(*): can not set requested numer of channels, OSS suggested %i channels, to use this restart with -oO channels=%i or set codec manuelly via -oO channels=num", tmp, tmp); |
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[1532] | 108 | return -1; |
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| 109 | } |
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[945] | 110 | } |
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| 111 | #else |
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[919] | 112 | switch (info->channels) { |
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| 113 | case 1: tmp = 0; break; |
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| 114 | case 2: tmp = 1; break; |
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[1518] | 115 | default: return -1; |
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[919] | 116 | } |
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| 117 | |
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| 118 | if ( ioctl(fh, SNDCTL_DSP_STEREO, &tmp) == -1 ) { |
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[1533] | 119 | ROAR_ERR("driver_oss_config_device(*): can not set number of channels"); |
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[1518] | 120 | return -1; |
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[919] | 121 | } |
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[945] | 122 | #endif |
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[919] | 123 | |
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[942] | 124 | switch (info->codec) { |
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| 125 | case ROAR_CODEC_PCM_S_LE: |
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| 126 | switch (info->bits) { |
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| 127 | case 8: tmp = AFMT_S8; break; |
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| 128 | case 16: tmp = AFMT_S16_LE; break; |
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| 129 | // case 24: tmp = AFMT_S24_PACKED; break; |
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| 130 | #ifdef AFMT_S32_LE |
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| 131 | case 32: tmp = AFMT_S32_LE; break; |
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| 132 | #endif |
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[1518] | 133 | default: return -1; |
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[942] | 134 | } |
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| 135 | break; |
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| 136 | case ROAR_CODEC_PCM_S_BE: |
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| 137 | switch (info->bits) { |
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| 138 | case 8: tmp = AFMT_S8; break; |
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| 139 | case 16: tmp = AFMT_S16_BE; break; |
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| 140 | // case 24: tmp = AFMT_S24_PACKED; break; |
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| 141 | #ifdef AFMT_S32_BE |
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| 142 | case 32: tmp = AFMT_S32_BE; break; |
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| 143 | #endif |
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[1518] | 144 | default: return -1; |
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[942] | 145 | } |
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| 146 | break; |
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| 147 | case ROAR_CODEC_PCM_U_LE: |
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| 148 | switch (info->bits) { |
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| 149 | case 8: tmp = AFMT_U8; break; |
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| 150 | case 16: tmp = AFMT_U16_LE; break; |
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[1518] | 151 | default: return -1; |
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[919] | 152 | } |
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| 153 | break; |
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[942] | 154 | case ROAR_CODEC_PCM_U_BE: |
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| 155 | switch (info->bits) { |
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| 156 | case 8: tmp = AFMT_U8; break; |
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| 157 | case 16: tmp = AFMT_U16_BE; break; |
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[1518] | 158 | default: return -1; |
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[942] | 159 | } |
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| 160 | case ROAR_CODEC_ALAW: |
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| 161 | tmp = AFMT_A_LAW; |
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| 162 | break; |
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| 163 | case ROAR_CODEC_MULAW: |
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| 164 | tmp = AFMT_MU_LAW; |
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| 165 | break; |
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| 166 | #ifdef AFMT_VORBIS |
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| 167 | case ROAR_CODEC_OGG_VORBIS: |
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| 168 | tmp = AFMT_VORBIS; |
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| 169 | break; |
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| 170 | #endif |
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| 171 | default: |
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[1518] | 172 | return -1; |
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[942] | 173 | break; |
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| 174 | } |
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| 175 | |
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| 176 | ctmp = tmp; |
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[946] | 177 | #ifdef SNDCTL_DSP_SETFMT |
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| 178 | if ( ioctl(fh, SNDCTL_DSP_SETFMT, &tmp) == -1 ) { |
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| 179 | #else |
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[942] | 180 | if ( ioctl(fh, SNDCTL_DSP_SAMPLESIZE, &tmp) == -1 ) { |
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[946] | 181 | #endif |
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[1533] | 182 | ROAR_ERR("driver_oss_config_device(*): can not set sample format"); |
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[1518] | 183 | return -1; |
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[919] | 184 | } |
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| 185 | |
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[942] | 186 | if ( tmp != ctmp ) { |
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[1532] | 187 | if ( autoconfig ) { |
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| 188 | need_update_server = 1; |
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| 189 | switch (tmp) { |
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| 190 | case AFMT_S8 : self->info.bits = 8; self->info.codec = ROAR_CODEC_PCM; break; |
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| 191 | case AFMT_U8 : self->info.bits = 8; self->info.codec = ROAR_CODEC_PCM_U_LE; break; |
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| 192 | case AFMT_S16_LE: self->info.bits = 16; self->info.codec = ROAR_CODEC_PCM_S_LE; break; |
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| 193 | case AFMT_S16_BE: self->info.bits = 16; self->info.codec = ROAR_CODEC_PCM_S_BE; break; |
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| 194 | case AFMT_U16_LE: self->info.bits = 16; self->info.codec = ROAR_CODEC_PCM_U_LE; break; |
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| 195 | case AFMT_U16_BE: self->info.bits = 16; self->info.codec = ROAR_CODEC_PCM_U_BE; break; |
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[942] | 196 | #ifdef AFMT_S32_LE |
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[1532] | 197 | case AFMT_S32_LE: self->info.bits = 32; self->info.codec = ROAR_CODEC_PCM_S_LE; break; |
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[942] | 198 | #endif |
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| 199 | #ifdef AFMT_S32_BE |
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[1532] | 200 | case AFMT_S32_BE: self->info.bits = 32; self->info.codec = ROAR_CODEC_PCM_S_BE; break; |
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| 201 | #endif |
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[1541] | 202 | /* |
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[1532] | 203 | case AFMT_A_LAW : self->info.bits = 8; self->info.codec = ROAR_CODEC_ALAW; break; |
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| 204 | case AFMT_MU_LAW: self->info.bits = 8; self->info.codec = ROAR_CODEC_MULAW; break; |
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| 205 | #ifdef AFMT_VORBIS |
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| 206 | case AFMT_VORBIS: self->info.codec = ROAR_CODEC_OGG_VORBIS; break; |
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[942] | 207 | #endif |
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[1541] | 208 | */ |
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| 209 | case AFMT_A_LAW: |
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| 210 | case AFMT_MU_LAW: |
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| 211 | #ifdef AFMT_VORBIS |
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| 212 | case AFMT_VORBIS: |
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| 213 | #endif |
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| 214 | ROAR_WARN("driver_oss_config_device(*): Auto config failed: OSS Codec %i needs a codecfilter!", tmp); |
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| 215 | ROAR_ERR("driver_oss_config_device(*): can not set requested codec, set codec manuelly via -oO codec=somecodec"); |
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| 216 | return -1; |
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| 217 | break; |
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[1532] | 218 | default: |
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| 219 | ROAR_WARN("driver_oss_config_device(*): Auto config failed: unknown OSS Codec %i", tmp); |
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| 220 | ROAR_ERR("driver_oss_config_device(*): can not set requested codec, set codec manuelly via -oO codec=somecodec"); |
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[1541] | 221 | return -1; |
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[1532] | 222 | break; |
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| 223 | } |
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| 224 | } else { |
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| 225 | es = NULL; |
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| 226 | switch (tmp) { |
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| 227 | case AFMT_S8 : es = "bits=8,codec=pcm"; break; |
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| 228 | case AFMT_U8 : es = "bits=8,codec=pcm_u_le"; break; |
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| 229 | case AFMT_S16_LE: es = "bits=16,codec=pcm_s_le"; break; |
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| 230 | case AFMT_S16_BE: es = "bits=16,codec=pcm_s_be"; break; |
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| 231 | case AFMT_U16_LE: es = "bits=16,codec=pcm_u_le"; break; |
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| 232 | case AFMT_U16_BE: es = "bits=16,codec=pcm_u_be"; break; |
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| 233 | #ifdef AFMT_S32_LE |
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| 234 | case AFMT_S32_LE: es = "bits=32,codec=pcm_s_le"; break; |
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| 235 | #endif |
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| 236 | #ifdef AFMT_S32_BE |
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| 237 | case AFMT_S32_BE: es = "bits=32,codec=pcm_s_be"; break; |
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| 238 | #endif |
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| 239 | case AFMT_A_LAW : es = "codec=alaw"; break; |
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| 240 | case AFMT_MU_LAW: es = "codec=mulaw"; break; |
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[942] | 241 | #ifdef AFMT_VORBIS |
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[1532] | 242 | case AFMT_VORBIS: es = "codec=ogg_vorbis"; break; |
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[942] | 243 | #endif |
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[1532] | 244 | } |
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| 245 | |
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| 246 | if ( es != NULL ) { |
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[1533] | 247 | ROAR_ERR("driver_oss_config_device(*): can not set requested codec, OSS retruned another codec than requested, to use this restart with -oO %s or set codec manuelly via -oO codec=somecodec", es); |
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[1532] | 248 | } else { |
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[1533] | 249 | ROAR_ERR("driver_oss_config_device(*): can not set requested codec, set codec manuelly via -oO codec=somecodec"); |
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[1532] | 250 | } |
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| 251 | return -1; |
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[942] | 252 | } |
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[919] | 253 | } |
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| 254 | |
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| 255 | tmp = info->rate; |
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| 256 | |
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| 257 | if ( ioctl(fh, SNDCTL_DSP_SPEED, &tmp) == -1 ) { |
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[1533] | 258 | ROAR_ERR("driver_oss_config_device(*): can not set sample rate"); |
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[1518] | 259 | return -1; |
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[919] | 260 | } |
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| 261 | |
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[1530] | 262 | if ( tmp != info->rate ) { |
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[1532] | 263 | if ( autoconfig ) { |
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| 264 | need_update_server = 1; |
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| 265 | self->info.rate = tmp; |
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| 266 | } else { |
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| 267 | ROAR_WARN("driver_oss_config_device(*): Device does not support requested sample rate: req=%iHz, sug=%iHz", |
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| 268 | info->rate, tmp); |
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[1530] | 269 | |
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[1532] | 270 | if ( tmp < info->rate * 0.98 || tmp > info->rate * 1.02 ) { |
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[1533] | 271 | ROAR_ERR("driver_oss_config_device(*): sample rate out of acceptable accuracy"); |
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[1532] | 272 | return -1; |
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| 273 | } |
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[1530] | 274 | } |
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[1518] | 275 | } |
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| 276 | |
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[1521] | 277 | // latency things: |
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| 278 | #ifdef SNDCTL_DSP_SETFRAGMENT |
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| 279 | |
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| 280 | // defaults |
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| 281 | if ( self->blocksize < 1 ) |
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| 282 | self->blocksize = 2048; |
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| 283 | if ( self->blocks < 1 ) |
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| 284 | self->blocks = 4; |
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| 285 | |
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[1523] | 286 | switch (self->blocksize) { |
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| 287 | case 1<< 4: tmp = 4; break; |
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| 288 | case 1<< 5: tmp = 5; break; |
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| 289 | case 1<< 6: tmp = 6; break; |
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| 290 | case 1<< 7: tmp = 7; break; |
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| 291 | case 1<< 8: tmp = 8; break; |
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| 292 | case 1<< 9: tmp = 9; break; |
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| 293 | case 1<<10: tmp = 10; break; |
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| 294 | case 1<<11: tmp = 11; break; |
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| 295 | case 1<<12: tmp = 12; break; |
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| 296 | case 1<<13: tmp = 13; break; |
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| 297 | case 1<<14: tmp = 14; break; |
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| 298 | case 1<<15: tmp = 15; break; |
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| 299 | case 1<<16: tmp = 16; break; |
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| 300 | default: tmp = 11; |
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| 301 | ROAR_WARN("driver_oss_config_device(*): blocksize of %i byte is not a valid value. trying 2KB", self->blocksize); |
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| 302 | break; |
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| 303 | } |
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| 304 | |
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[1524] | 305 | ROAR_DBG("driver_oss_config_device(*): blocksize=%i(N=%i), blocks=%i", self->blocksize, tmp, self->blocks); |
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[1521] | 306 | |
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| 307 | tmp |= self->blocks << 16; |
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| 308 | if ( ioctl(fh, SNDCTL_DSP_SETFRAGMENT, &tmp) == -1 ) { |
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| 309 | ROAR_WARN("driver_oss_ctl(*): Can not set fragment size, sorry :("); |
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| 310 | } |
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| 311 | #endif |
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| 312 | |
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[1532] | 313 | if ( need_update_server ) { |
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| 314 | if ( self->stream == NULL ) { |
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| 315 | streams_get(self->ssid, &(self->stream)); |
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| 316 | } |
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| 317 | |
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| 318 | if ( self->stream == NULL ) { |
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| 319 | ROAR_ERR("driver_oss_config_device(*): Auto config failed: can not set new values for stream: no stream object known"); |
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| 320 | return -1; |
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| 321 | } |
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| 322 | |
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| 323 | memcpy(&(ROAR_STREAM(self->stream)->info), info, sizeof(struct roar_audio_info)); |
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| 324 | } |
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| 325 | |
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[1521] | 326 | self->need_config = 0; |
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| 327 | |
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[1518] | 328 | return 0; |
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| 329 | } |
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| 330 | |
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| 331 | #define er() close(self->fh); if ( self->device ) free(self->device); free(self); return -1 |
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[2367] | 332 | int driver_oss_open(struct roar_vio_calls * inst, char * device, struct roar_audio_info * info, int fh, struct roar_stream_server * sstream) { |
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[1518] | 333 | struct driver_oss * self = NULL; |
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| 334 | |
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| 335 | if ( (self = malloc(sizeof(struct driver_oss))) == NULL ) { |
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| 336 | ROAR_ERR("driver_oss_open(*): Can not malloc() instance data: %s", strerror(errno)); |
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| 337 | return -1; |
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| 338 | } |
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| 339 | |
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| 340 | memset(self, 0, sizeof(struct driver_oss)); |
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| 341 | memcpy(&(self->info), info, sizeof(struct roar_audio_info)); |
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| 342 | |
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[1530] | 343 | self->ssid = -1; |
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| 344 | self->fh = fh; |
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[1518] | 345 | |
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[3838] | 346 | if ( fh != -1 ) { |
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| 347 | self->fh_savemode = 1; |
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| 348 | } else { |
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| 349 | self->fh_savemode = 0; |
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| 350 | } |
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| 351 | |
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[1518] | 352 | if ( device != NULL ) |
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| 353 | self->device = strdup(device); |
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| 354 | |
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| 355 | if ( driver_oss_init_vio(inst, self) == -1 ) { |
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| 356 | ROAR_ERR("driver_oss_open(*): Can not init vio interface"); |
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[919] | 357 | er(); |
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| 358 | } |
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| 359 | |
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[1518] | 360 | if ( driver_oss_open_device(self) == -1 ) { |
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| 361 | ROAR_ERR("driver_oss_open(*): Can not open audio device"); |
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| 362 | er(); |
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| 363 | } |
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| 364 | |
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[935] | 365 | ROAR_DBG("driver_oss_open(*): OSS devices opened :)"); |
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[934] | 366 | |
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[2368] | 367 | if ( sstream != NULL ) |
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| 368 | driver_oss_ctl(inst, ROAR_VIO_CTL_SET_SSTREAM, sstream); |
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| 369 | |
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[919] | 370 | return 0; |
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[917] | 371 | } |
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[1518] | 372 | #undef er |
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[917] | 373 | |
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[1539] | 374 | int driver_oss_reopen_device(struct driver_oss * self) { |
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[3838] | 375 | |
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| 376 | // we need to reject in fh save mode. |
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| 377 | if ( self->fh_savemode ) |
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| 378 | return -1; |
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| 379 | |
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[1539] | 380 | #ifdef SNDCTL_DSP_SYNC |
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| 381 | ioctl(self->fh, SNDCTL_DSP_SYNC, NULL); |
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| 382 | #endif |
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| 383 | |
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| 384 | close(self->fh); |
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| 385 | |
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| 386 | if ( driver_oss_open_device(self) == -1 ) |
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| 387 | return -1; |
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| 388 | |
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| 389 | self->need_config = 1; |
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| 390 | |
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| 391 | return 0; |
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| 392 | } |
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| 393 | |
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[917] | 394 | int driver_oss_close(DRIVER_USERDATA_T inst) { |
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[1242] | 395 | return roar_vio_close((struct roar_vio_calls *)inst); |
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[917] | 396 | } |
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| 397 | |
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[1518] | 398 | int driver_oss_close_vio(struct roar_vio_calls * vio) { |
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| 399 | close(_get(vio,fh)); |
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| 400 | |
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| 401 | if ( _get(vio,device) != NULL ) |
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| 402 | free(_get(vio,device)); |
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| 403 | |
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| 404 | free(vio->inst); |
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| 405 | return 0; |
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| 406 | } |
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| 407 | |
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| 408 | int driver_oss_nonblock(struct roar_vio_calls * vio, int state) { |
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| 409 | if ( roar_socket_nonblock(_get(vio,fh), state) == -1 ) |
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| 410 | return -1; |
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| 411 | |
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| 412 | if ( state == ROAR_SOCKET_NONBLOCK ) |
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| 413 | return 0; |
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| 414 | |
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| 415 | roar_vio_sync(vio); |
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| 416 | |
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| 417 | return 0; |
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| 418 | } |
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| 419 | |
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[1138] | 420 | int driver_oss_sync(struct roar_vio_calls * vio) { |
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| 421 | #ifdef SNDCTL_DSP_SYNC |
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[1518] | 422 | return ioctl(_get(vio,fh), SNDCTL_DSP_SYNC, NULL); |
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[1138] | 423 | #else |
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| 424 | return 0; |
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| 425 | #endif |
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| 426 | } |
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[916] | 427 | |
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[1151] | 428 | int driver_oss_ctl(struct roar_vio_calls * vio, int cmd, void * data) { |
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[1521] | 429 | struct driver_oss * self = vio->inst; |
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[1538] | 430 | #ifdef SNDCTL_DSP_GETODELAY |
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[1151] | 431 | int d; |
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[1538] | 432 | #endif |
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[1151] | 433 | |
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[1524] | 434 | ROAR_DBG("driver_oss_ctl(vio=%p, cmd=0x%.8x, data=%p) = ?", vio, cmd, data); |
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[1521] | 435 | |
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[1151] | 436 | if ( vio == NULL ) |
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| 437 | return -1; |
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| 438 | |
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[1222] | 439 | switch (cmd) { |
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| 440 | case ROAR_VIO_CTL_GET_DELAY: |
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| 441 | #ifdef SNDCTL_DSP_GETODELAY |
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[1518] | 442 | if ( ioctl(_get(vio,fh), SNDCTL_DSP_GETODELAY, &d) == -1 ) |
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[1222] | 443 | return -1; |
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| 444 | |
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| 445 | ROAR_DBG("driver_oss_ctl(*): delay=%i byte", d); |
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[1151] | 446 | |
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[1222] | 447 | *(uint_least32_t *)data = d; |
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| 448 | #else |
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| 449 | return -1; |
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| 450 | #endif |
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| 451 | break; |
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| 452 | case ROAR_VIO_CTL_SET_DBLOCKS: |
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| 453 | #ifdef SNDCTL_DSP_SETFRAGMENT |
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[1521] | 454 | if ( !self->need_config ) { |
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| 455 | ROAR_WARN("driver_oss_ctl(*): possible late ROAR_VIO_CTL_SET_DBLOCKS, setting anyway."); |
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[1222] | 456 | } |
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[1521] | 457 | |
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| 458 | self->blocks = *(uint_least32_t *)data; |
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| 459 | #else |
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| 460 | return -1; |
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| 461 | #endif |
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| 462 | break; |
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| 463 | case ROAR_VIO_CTL_SET_DBLKSIZE: |
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| 464 | #ifdef SNDCTL_DSP_SETFRAGMENT |
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| 465 | if ( !self->need_config ) { |
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| 466 | ROAR_WARN("driver_oss_ctl(*): possible late ROAR_VIO_CTL_SET_DBLKSIZE, setting anyway."); |
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| 467 | } |
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| 468 | |
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| 469 | self->blocksize = *(uint_least32_t *)data; |
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[1222] | 470 | #else |
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| 471 | return -1; |
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| 472 | #endif |
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| 473 | break; |
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| 474 | case ROAR_VIO_CTL_GET_DBLKSIZE: |
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[1521] | 475 | if ( !self->blocksize ) |
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| 476 | return -1; |
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| 477 | |
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| 478 | *(uint_least32_t *)data = self->blocksize; |
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[1527] | 479 | break; |
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[1532] | 480 | case ROAR_VIO_CTL_SET_SSTREAMID: |
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[1530] | 481 | self->ssid = *(int *)data; |
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| 482 | break; |
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[1527] | 483 | case ROAR_VIO_CTL_SET_SSTREAM: |
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| 484 | self->stream = data; |
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[1222] | 485 | break; |
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[1539] | 486 | case ROAR_VIO_CTL_GET_AUINFO: |
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| 487 | memcpy(data, &(self->info), sizeof(struct roar_audio_info)); |
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| 488 | break; |
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| 489 | case ROAR_VIO_CTL_SET_AUINFO: |
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| 490 | memcpy(&(self->info), data, sizeof(struct roar_audio_info)); |
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| 491 | return driver_oss_reopen_device(self); |
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| 492 | break; |
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[1672] | 493 | #ifdef SNDCTL_DSP_SETPLAYVOL |
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| 494 | case ROAR_VIO_CTL_SET_VOLUME: |
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| 495 | switch (self->info.channels) { |
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| 496 | case 1: |
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| 497 | d = ROAR_MIXER(data)->mixer[0] * 100 / ROAR_MIXER(data)->scale; |
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| 498 | d |= d << 8; |
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| 499 | break; |
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| 500 | case 2: |
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| 501 | d = ROAR_MIXER(data)->mixer[0] * 100 / ROAR_MIXER(data)->scale; |
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| 502 | d |= (ROAR_MIXER(data)->mixer[0] * 100 / ROAR_MIXER(data)->scale) << 8; |
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| 503 | break; |
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| 504 | default: |
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| 505 | return -1; |
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| 506 | } |
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| 507 | return ioctl(_get(vio,fh), SNDCTL_DSP_SETPLAYVOL, &d); |
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| 508 | break; |
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| 509 | #endif |
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[1222] | 510 | default: |
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| 511 | return -1; |
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| 512 | } |
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[1151] | 513 | |
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| 514 | return 0; |
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| 515 | } |
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| 516 | |
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[1518] | 517 | ssize_t driver_oss_write (struct roar_vio_calls * vio, void *buf, size_t count) { |
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[1540] | 518 | if ( _get(vio,fh) == -1 ) |
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| 519 | return -1; |
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| 520 | |
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[1521] | 521 | if ( _get(vio,need_config) ) { |
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| 522 | if ( driver_oss_config_device(vio->inst) == -1 ) { |
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| 523 | return -1; |
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| 524 | } |
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| 525 | } |
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| 526 | |
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[1518] | 527 | return write(_get(vio,fh), buf, count); |
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| 528 | } |
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| 529 | |
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[916] | 530 | #endif |
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| 531 | //ll |
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