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