[916] | 1 | //driver_oss.c: |
---|
| 2 | |
---|
| 3 | /* |
---|
| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
---|
| 5 | * |
---|
| 6 | * This file is part of roard a part of RoarAudio, |
---|
| 7 | * a cross-platform sound system for both, home and professional use. |
---|
| 8 | * See README for details. |
---|
| 9 | * |
---|
| 10 | * This file is free software; you can redistribute it and/or modify |
---|
| 11 | * it under the terms of the GNU General Public License version 3 |
---|
| 12 | * as published by the Free Software Foundation. |
---|
| 13 | * |
---|
| 14 | * RoarAudio is distributed in the hope that it will be useful, |
---|
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
| 17 | * GNU General Public License for more details. |
---|
| 18 | * |
---|
| 19 | * You should have received a copy of the GNU General Public License |
---|
| 20 | * along with this software; see the file COPYING. If not, write to |
---|
| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
---|
| 22 | * |
---|
| 23 | */ |
---|
| 24 | |
---|
| 25 | #include "roard.h" |
---|
| 26 | #if defined(ROAR_HAVE_OSS_BSD) || defined(ROAR_HAVE_OSS) |
---|
| 27 | |
---|
[919] | 28 | #define er() close(fh); return -1 |
---|
| 29 | |
---|
[930] | 30 | int driver_oss_open(struct roar_vio_calls * inst, char * device, struct roar_audio_info * info, int fh) { |
---|
[919] | 31 | int tmp; |
---|
[942] | 32 | int ctmp; |
---|
| 33 | char * es; |
---|
[919] | 34 | |
---|
[924] | 35 | #ifdef ROAR_DEFAULT_OSS_DEV |
---|
[919] | 36 | if ( device == NULL ) |
---|
| 37 | device = ROAR_DEFAULT_OSS_DEV; |
---|
[924] | 38 | #endif |
---|
| 39 | |
---|
| 40 | if ( device == NULL ) { |
---|
| 41 | ROAR_ERR("driver_oss_open(*): no default device found, you need to specify one manuelly"); |
---|
| 42 | return -1; |
---|
| 43 | } |
---|
[919] | 44 | |
---|
| 45 | roar_vio_init_calls(inst); |
---|
| 46 | |
---|
[930] | 47 | if ( fh == -1 ) { |
---|
| 48 | if ( (fh = open(device, O_WRONLY, 0644)) == -1 ) { |
---|
| 49 | ROAR_ERR("driver_oss_open(*): Can not open OSS device: %s: %s", device, strerror(errno)); |
---|
| 50 | return -1; |
---|
| 51 | } |
---|
[919] | 52 | } |
---|
| 53 | |
---|
| 54 | roar_vio_set_fh(inst, fh); |
---|
| 55 | |
---|
[945] | 56 | |
---|
| 57 | |
---|
| 58 | #ifdef SNDCTL_DSP_CHANNELS |
---|
| 59 | tmp = info->channels; |
---|
| 60 | |
---|
| 61 | if ( ioctl(fh, SNDCTL_DSP_CHANNELS, &tmp) == -1 ) { |
---|
| 62 | ROAR_ERR("driver_oss_open(*): can not set number of channels"); |
---|
| 63 | er(); |
---|
| 64 | } |
---|
| 65 | |
---|
| 66 | if ( tmp != info->channels ) { |
---|
| 67 | ROAR_ERR("driver_oss_open(*): 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); |
---|
| 68 | er(); |
---|
| 69 | } |
---|
| 70 | #else |
---|
[919] | 71 | switch (info->channels) { |
---|
| 72 | case 1: tmp = 0; break; |
---|
| 73 | case 2: tmp = 1; break; |
---|
| 74 | default: er(); |
---|
| 75 | } |
---|
| 76 | |
---|
| 77 | if ( ioctl(fh, SNDCTL_DSP_STEREO, &tmp) == -1 ) { |
---|
[945] | 78 | ROAR_ERR("driver_oss_open(*): can not set number of channels"); |
---|
[919] | 79 | er(); |
---|
| 80 | } |
---|
[945] | 81 | #endif |
---|
[919] | 82 | |
---|
[942] | 83 | switch (info->codec) { |
---|
| 84 | case ROAR_CODEC_PCM_S_LE: |
---|
| 85 | switch (info->bits) { |
---|
| 86 | case 8: tmp = AFMT_S8; break; |
---|
| 87 | case 16: tmp = AFMT_S16_LE; break; |
---|
| 88 | // case 24: tmp = AFMT_S24_PACKED; break; |
---|
| 89 | #ifdef AFMT_S32_LE |
---|
| 90 | case 32: tmp = AFMT_S32_LE; break; |
---|
| 91 | #endif |
---|
| 92 | default: er(); |
---|
| 93 | } |
---|
| 94 | break; |
---|
| 95 | case ROAR_CODEC_PCM_S_BE: |
---|
| 96 | switch (info->bits) { |
---|
| 97 | case 8: tmp = AFMT_S8; break; |
---|
| 98 | case 16: tmp = AFMT_S16_BE; break; |
---|
| 99 | // case 24: tmp = AFMT_S24_PACKED; break; |
---|
| 100 | #ifdef AFMT_S32_BE |
---|
| 101 | case 32: tmp = AFMT_S32_BE; break; |
---|
| 102 | #endif |
---|
| 103 | default: er(); |
---|
| 104 | } |
---|
| 105 | break; |
---|
| 106 | case ROAR_CODEC_PCM_U_LE: |
---|
| 107 | switch (info->bits) { |
---|
| 108 | case 8: tmp = AFMT_U8; break; |
---|
| 109 | case 16: tmp = AFMT_U16_LE; break; |
---|
| 110 | default: er(); |
---|
[919] | 111 | } |
---|
| 112 | break; |
---|
[942] | 113 | case ROAR_CODEC_PCM_U_BE: |
---|
| 114 | switch (info->bits) { |
---|
| 115 | case 8: tmp = AFMT_U8; break; |
---|
| 116 | case 16: tmp = AFMT_U16_BE; break; |
---|
| 117 | default: er(); |
---|
| 118 | } |
---|
| 119 | case ROAR_CODEC_ALAW: |
---|
| 120 | tmp = AFMT_A_LAW; |
---|
| 121 | break; |
---|
| 122 | case ROAR_CODEC_MULAW: |
---|
| 123 | tmp = AFMT_MU_LAW; |
---|
| 124 | break; |
---|
| 125 | #ifdef AFMT_VORBIS |
---|
| 126 | case ROAR_CODEC_OGG_VORBIS: |
---|
| 127 | tmp = AFMT_VORBIS; |
---|
| 128 | break; |
---|
| 129 | #endif |
---|
| 130 | default: |
---|
| 131 | er(); |
---|
| 132 | break; |
---|
| 133 | } |
---|
| 134 | |
---|
| 135 | ctmp = tmp; |
---|
[946] | 136 | #ifdef SNDCTL_DSP_SETFMT |
---|
| 137 | if ( ioctl(fh, SNDCTL_DSP_SETFMT, &tmp) == -1 ) { |
---|
| 138 | #else |
---|
[942] | 139 | if ( ioctl(fh, SNDCTL_DSP_SAMPLESIZE, &tmp) == -1 ) { |
---|
[946] | 140 | #endif |
---|
[942] | 141 | ROAR_ERR("driver_oss_open(*): can not set sample format"); |
---|
| 142 | er(); |
---|
[919] | 143 | } |
---|
| 144 | |
---|
[942] | 145 | if ( tmp != ctmp ) { |
---|
| 146 | es = NULL; |
---|
| 147 | switch (tmp) { |
---|
| 148 | case AFMT_S8 : es = "bits=8,codec=pcm"; break; |
---|
| 149 | case AFMT_U8 : es = "bits=8,codec=pcm_u_le"; break; |
---|
| 150 | case AFMT_S16_LE: es = "bits=16,codec=pcm_s_le"; break; |
---|
| 151 | case AFMT_S16_BE: es = "bits=16,codec=pcm_s_be"; break; |
---|
| 152 | case AFMT_U16_LE: es = "bits=16,codec=pcm_u_le"; break; |
---|
| 153 | case AFMT_U16_BE: es = "bits=16,codec=pcm_u_be"; break; |
---|
| 154 | #ifdef AFMT_S32_LE |
---|
| 155 | case AFMT_S32_LE: es = "bits=32,codec=pcm_s_le"; break; |
---|
| 156 | #endif |
---|
| 157 | #ifdef AFMT_S32_BE |
---|
| 158 | case AFMT_S32_BE: es = "bits=32,codec=pcm_s_be"; break; |
---|
| 159 | #endif |
---|
| 160 | case AFMT_A_LAW : es = "codec=alaw"; break; |
---|
| 161 | case AFMT_MU_LAW: es = "codec=mulaw"; break; |
---|
| 162 | #ifdef AFMT_VORBIS |
---|
| 163 | case AFMT_VORBIS: es = "codec=ogg_vorbis"; break; |
---|
| 164 | #endif |
---|
| 165 | } |
---|
| 166 | |
---|
| 167 | if ( es != NULL ) { |
---|
| 168 | ROAR_ERR("driver_oss_open(*): can not set requested codec, OSS retruned another codec then requested, to use this restart with -oO %s or set codec manuelly via -oO codec=somecodec", es); |
---|
| 169 | } else { |
---|
| 170 | ROAR_ERR("driver_oss_open(*): can not set requested codec, set codec manuelly via -oO codec=somecodec"); |
---|
| 171 | } |
---|
[919] | 172 | er(); |
---|
| 173 | } |
---|
| 174 | |
---|
| 175 | tmp = info->rate; |
---|
| 176 | |
---|
| 177 | if ( ioctl(fh, SNDCTL_DSP_SPEED, &tmp) == -1 ) { |
---|
[942] | 178 | ROAR_ERR("driver_oss_open(*): can not set sample rate"); |
---|
[919] | 179 | er(); |
---|
| 180 | } |
---|
| 181 | |
---|
| 182 | if ( tmp < info->rate * 0.98 || tmp > info->rate * 1.02 ) { |
---|
[942] | 183 | ROAR_ERR("driver_oss_open(*): sample rate out of acceptable accuracy"); |
---|
[919] | 184 | er(); |
---|
| 185 | } |
---|
| 186 | |
---|
[935] | 187 | ROAR_DBG("driver_oss_open(*): OSS devices opened :)"); |
---|
[934] | 188 | |
---|
[919] | 189 | return 0; |
---|
[917] | 190 | } |
---|
| 191 | |
---|
| 192 | int driver_oss_close(DRIVER_USERDATA_T inst) { |
---|
[919] | 193 | return close(roar_vio_get_fh((struct roar_vio_calls *)inst)); |
---|
[917] | 194 | } |
---|
| 195 | |
---|
[916] | 196 | |
---|
| 197 | #endif |
---|
| 198 | //ll |
---|