[4173] | 1 | //vs.c: |
---|
| 2 | |
---|
| 3 | /* |
---|
[4708] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2011 |
---|
[4173] | 5 | * |
---|
| 6 | * This file is part of libroar 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 | * libroar 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, 51 Franklin Street, Fifth Floor, |
---|
| 22 | * Boston, MA 02110-1301, USA. |
---|
| 23 | * |
---|
| 24 | * NOTE for everyone want's to change something and send patches: |
---|
| 25 | * read README and HACKING! There a addition information on |
---|
| 26 | * the license of this document you need to read before you send |
---|
| 27 | * any patches. |
---|
| 28 | * |
---|
| 29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
---|
| 30 | * or libpulse*: |
---|
| 31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
---|
| 32 | * and are therefore GPL. Because of this it may be illigal to use |
---|
| 33 | * them with any software that uses libesd, libartsc or libpulse*. |
---|
| 34 | */ |
---|
| 35 | |
---|
| 36 | #include "libroar.h" |
---|
| 37 | |
---|
[4719] | 38 | #if defined(ROAR_HAVE_GETSOCKOPT) && defined(ROAR_HAVE_SETSOCKOPT) |
---|
| 39 | #define _HAVE_SOCKOPT |
---|
| 40 | #endif |
---|
| 41 | |
---|
[4580] | 42 | #define FLAG_NONE 0x0000 |
---|
| 43 | #define FLAG_STREAM 0x0001 |
---|
| 44 | #define FLAG_NONBLOCK 0x0002 |
---|
| 45 | #define FLAG_BUFFERED 0x0004 |
---|
| 46 | #define FLAG_CLOSEFILE 0x0008 |
---|
[4850] | 47 | #define FLAG_FREE_VOL 0x0010 |
---|
[4580] | 48 | #define FLAG_DIR_IN 0x1000 |
---|
| 49 | #define FLAG_DIR_OUT 0x2000 |
---|
[4174] | 50 | |
---|
[4873] | 51 | #define _initerr() roar_err_clear_all() |
---|
| 52 | #define _seterr(x) do { if ( error != NULL ) *error = (x); roar_err_set((x)); ROAR_DBG("roar_vs_*(*): *error=%s(%i)", roar_vs_strerr((x)), (x)); } while(0) |
---|
| 53 | #define _seterrre() do { _seterr(roar_error); } while(0) |
---|
| 54 | #define _seterrse() do { roar_err_from_errno(); _seterr(roar_error); } while(0) |
---|
[4260] | 55 | #define _ckvss(ret) do { if ( vss == NULL ) { _seterr(ROAR_ERROR_INVAL); return (ret); } } while(0) |
---|
[4174] | 56 | |
---|
| 57 | struct roar_vs { |
---|
| 58 | int flags; |
---|
| 59 | struct roar_connection con_store; |
---|
| 60 | struct roar_connection * con; |
---|
| 61 | struct roar_stream stream; |
---|
| 62 | struct roar_vio_calls vio; |
---|
[4206] | 63 | struct roar_audio_info info; |
---|
| 64 | size_t readc, writec; |
---|
| 65 | int mixerid; |
---|
| 66 | int first_primid; |
---|
[4580] | 67 | struct roar_buffer * readbuffer, * writebuffer; |
---|
| 68 | struct roar_vio_calls file_store; |
---|
| 69 | struct roar_vio_calls * file; |
---|
[4626] | 70 | struct roar_buffer * readring, * writering; |
---|
[4719] | 71 | #ifdef _HAVE_SOCKOPT |
---|
| 72 | struct { |
---|
| 73 | float target; |
---|
| 74 | float window; |
---|
| 75 | float minlag; |
---|
| 76 | float p; |
---|
| 77 | } latc; |
---|
| 78 | #endif |
---|
[4174] | 79 | }; |
---|
| 80 | |
---|
[4206] | 81 | static int _roar_vs_find_first_prim(roar_vs_t * vss); |
---|
| 82 | |
---|
[4174] | 83 | const char * roar_vs_strerr(int error) { |
---|
[4793] | 84 | const char * ret = roar_error2str(error); |
---|
[4174] | 85 | |
---|
[4793] | 86 | if ( ret == NULL ) |
---|
| 87 | return "(unknown)"; |
---|
[4174] | 88 | |
---|
[4793] | 89 | return ret; |
---|
[4174] | 90 | } |
---|
| 91 | |
---|
| 92 | static roar_vs_t * roar_vs_init(int * error) { |
---|
| 93 | roar_vs_t * vss = roar_mm_malloc(sizeof(roar_vs_t)); |
---|
| 94 | |
---|
| 95 | if ( vss == NULL ) { |
---|
[4186] | 96 | _seterrse(); |
---|
[4174] | 97 | return NULL; |
---|
| 98 | } |
---|
| 99 | |
---|
| 100 | memset(vss, 0, sizeof(roar_vs_t)); |
---|
| 101 | |
---|
[4206] | 102 | vss->mixerid = -1; |
---|
| 103 | vss->first_primid = -1; |
---|
| 104 | |
---|
[4719] | 105 | #ifdef _HAVE_SOCKOPT |
---|
| 106 | vss->latc.target = -2.; // must be less than latc.minlag! |
---|
| 107 | vss->latc.window = -1.; |
---|
| 108 | vss->latc.minlag = -1.; |
---|
| 109 | vss->latc.p = 0.005; |
---|
| 110 | #endif |
---|
| 111 | |
---|
[4174] | 112 | return vss; |
---|
| 113 | } |
---|
| 114 | |
---|
| 115 | roar_vs_t * roar_vs_new_from_con(struct roar_connection * con, int * error) { |
---|
| 116 | roar_vs_t * vss = roar_vs_init(error); |
---|
| 117 | |
---|
| 118 | if ( vss == NULL ) |
---|
| 119 | return NULL; |
---|
| 120 | |
---|
| 121 | vss->con = con; |
---|
| 122 | |
---|
| 123 | return vss; |
---|
| 124 | } |
---|
| 125 | |
---|
| 126 | roar_vs_t * roar_vs_new(const char * server, const char * name, int * error) { |
---|
| 127 | roar_vs_t * vss = roar_vs_init(error); |
---|
| 128 | int ret; |
---|
| 129 | |
---|
| 130 | if ( vss == NULL ) |
---|
| 131 | return NULL; |
---|
| 132 | |
---|
| 133 | vss->con = &(vss->con_store); |
---|
| 134 | |
---|
[4186] | 135 | _initerr(); |
---|
| 136 | |
---|
[4174] | 137 | ret = roar_simple_connect(vss->con, (char*)server, (char*)name); |
---|
| 138 | |
---|
| 139 | if ( ret == -1 ) { |
---|
| 140 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
---|
[4186] | 141 | _seterrre(); |
---|
[4174] | 142 | return NULL; |
---|
| 143 | } |
---|
| 144 | |
---|
| 145 | return vss; |
---|
| 146 | } |
---|
| 147 | |
---|
| 148 | int roar_vs_stream(roar_vs_t * vss, const struct roar_audio_info * info, int dir, int * error) { |
---|
[4206] | 149 | struct roar_stream_info sinfo; |
---|
[4174] | 150 | int ret; |
---|
| 151 | |
---|
[4260] | 152 | _ckvss(-1); |
---|
| 153 | |
---|
[4174] | 154 | if ( vss->flags & FLAG_STREAM ) { |
---|
| 155 | _seterr(ROAR_ERROR_INVAL); |
---|
| 156 | return -1; |
---|
| 157 | } |
---|
| 158 | |
---|
[4186] | 159 | _initerr(); |
---|
| 160 | |
---|
[4206] | 161 | if ( info != &(vss->info) ) |
---|
| 162 | memcpy(&(vss->info), info, sizeof(struct roar_audio_info)); |
---|
| 163 | |
---|
[4174] | 164 | ret = roar_vio_simple_new_stream_obj(&(vss->vio), vss->con, &(vss->stream), |
---|
| 165 | info->rate, info->channels, info->bits, info->codec, |
---|
| 166 | dir |
---|
| 167 | ); |
---|
| 168 | |
---|
| 169 | if ( ret == -1 ) { |
---|
[4186] | 170 | _seterrre(); |
---|
[4174] | 171 | return -1; |
---|
| 172 | } |
---|
| 173 | |
---|
[4206] | 174 | if ( roar_stream_get_info(vss->con, &(vss->stream), &sinfo) != -1 ) { |
---|
[4622] | 175 | // TODO: fix this: |
---|
| 176 | // as we currently do not support to select mixer we just check if we hit the |
---|
| 177 | // right one. |
---|
| 178 | if ( vss->mixerid != -1 && vss->mixerid != sinfo.mixer ) { |
---|
| 179 | _seterr(ROAR_ERROR_INVAL); // TODO: should we maybe use a diffrent value? |
---|
| 180 | roar_vio_close(&(vss->vio)); |
---|
| 181 | return -1; |
---|
| 182 | } |
---|
| 183 | |
---|
[4206] | 184 | vss->mixerid = sinfo.mixer; |
---|
| 185 | _roar_vs_find_first_prim(vss); |
---|
| 186 | } |
---|
| 187 | |
---|
[4174] | 188 | vss->flags |= FLAG_STREAM; |
---|
| 189 | |
---|
[4580] | 190 | switch (dir) { |
---|
| 191 | case ROAR_DIR_PLAY: vss->flags |= FLAG_DIR_OUT; break; |
---|
| 192 | } |
---|
| 193 | |
---|
[4174] | 194 | return 0; |
---|
| 195 | } |
---|
| 196 | |
---|
| 197 | roar_vs_t * roar_vs_new_simple(const char * server, const char * name, int rate, int channels, int codec, int bits, int dir, int * error) { |
---|
| 198 | roar_vs_t * vss = roar_vs_new(server, name, error); |
---|
| 199 | int ret; |
---|
| 200 | |
---|
| 201 | if (vss == NULL) |
---|
| 202 | return NULL; |
---|
| 203 | |
---|
[4206] | 204 | memset(&(vss->info), 0, sizeof(vss->info)); |
---|
[4174] | 205 | |
---|
[4206] | 206 | vss->info.rate = rate; |
---|
| 207 | vss->info.channels = channels; |
---|
| 208 | vss->info.codec = codec; |
---|
| 209 | vss->info.bits = bits; |
---|
[4174] | 210 | |
---|
[4206] | 211 | ret = roar_vs_stream(vss, &(vss->info), dir, error); |
---|
[4174] | 212 | |
---|
| 213 | if (ret == -1) { |
---|
| 214 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
---|
| 215 | return NULL; |
---|
| 216 | } |
---|
| 217 | |
---|
| 218 | return vss; |
---|
| 219 | } |
---|
| 220 | |
---|
[4580] | 221 | int roar_vs_file(roar_vs_t * vss, struct roar_vio_calls * vio, int closefile, int * error) { |
---|
| 222 | _ckvss(-1); |
---|
| 223 | |
---|
| 224 | if ( vio == NULL || (closefile != ROAR_VS_TRUE && closefile != ROAR_VS_FALSE)) { |
---|
| 225 | _seterr(ROAR_ERROR_INVAL); |
---|
| 226 | return -1; |
---|
| 227 | } |
---|
| 228 | |
---|
| 229 | if ( vss->file != NULL ) { |
---|
| 230 | _seterr(ROAR_ERROR_INVAL); |
---|
| 231 | return -1; |
---|
| 232 | } |
---|
| 233 | |
---|
| 234 | vss->file = vio; |
---|
| 235 | if ( closefile == ROAR_VS_TRUE ) |
---|
| 236 | vss->flags |= FLAG_CLOSEFILE; |
---|
| 237 | |
---|
| 238 | return 0; |
---|
| 239 | } |
---|
| 240 | |
---|
| 241 | int roar_vs_file_simple(roar_vs_t * vss, char * filename, int * error) { |
---|
| 242 | struct roar_vio_defaults def; |
---|
| 243 | struct roar_vio_calls * file; |
---|
| 244 | char buf[64]; |
---|
| 245 | ssize_t ret; |
---|
| 246 | int dir = O_RDONLY; |
---|
[4584] | 247 | int codec = -1; |
---|
| 248 | const char * content_type; |
---|
[4580] | 249 | |
---|
| 250 | _ckvss(-1); |
---|
| 251 | |
---|
| 252 | if ( vss->file != NULL ) { |
---|
| 253 | _seterr(ROAR_ERROR_INVAL); |
---|
| 254 | return -1; |
---|
| 255 | } |
---|
| 256 | |
---|
| 257 | if ( vss->flags & FLAG_STREAM ) { |
---|
| 258 | switch (vss->flags & (FLAG_DIR_IN|FLAG_DIR_OUT)) { |
---|
| 259 | case FLAG_DIR_IN: dir = O_WRONLY; break; |
---|
| 260 | case FLAG_DIR_OUT: dir = O_RDONLY; break; |
---|
| 261 | case FLAG_DIR_IN|FLAG_DIR_OUT: dir = O_RDWR; break; |
---|
[4616] | 262 | default: |
---|
| 263 | _seterr(ROAR_ERROR_INVAL); |
---|
| 264 | return -1; |
---|
[4580] | 265 | } |
---|
| 266 | } |
---|
| 267 | |
---|
| 268 | file = &(vss->file_store); |
---|
| 269 | |
---|
[4618] | 270 | _initerr(); |
---|
[4580] | 271 | |
---|
[4618] | 272 | if ( roar_vio_dstr_init_defaults(&def, ROAR_VIO_DEF_TYPE_NONE, dir, 0644) == -1 ) { |
---|
| 273 | _seterrre(); |
---|
| 274 | return -1; |
---|
| 275 | } |
---|
[4580] | 276 | |
---|
| 277 | if ( roar_vio_open_dstr(file, filename, &def, 1) == -1 ) { |
---|
[4618] | 278 | _seterrre(); |
---|
[4580] | 279 | return -1; |
---|
| 280 | } |
---|
| 281 | |
---|
| 282 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
[4584] | 283 | if ( roar_vio_ctl(file, ROAR_VIO_CTL_GET_MIMETYPE, &content_type) != -1 ) { |
---|
| 284 | codec = roar_mime2codec(content_type); |
---|
| 285 | } |
---|
[4580] | 286 | |
---|
[4584] | 287 | if ( codec == -1 ) { |
---|
| 288 | ret = roar_vio_read(file, buf, sizeof(buf)); |
---|
| 289 | |
---|
| 290 | codec = roar_file_codecdetect(buf, ret); |
---|
[4580] | 291 | |
---|
[4584] | 292 | if ( codec == -1 ) { |
---|
| 293 | roar_vio_close(file); |
---|
[4618] | 294 | _seterr(ROAR_ERROR_INVAL); // Other value? |
---|
[4584] | 295 | return -1; |
---|
| 296 | } |
---|
| 297 | |
---|
| 298 | if ( roar_vio_lseek(file, 0, SEEK_SET) != 0 ) { |
---|
| 299 | roar_vio_close(file); |
---|
[4618] | 300 | _seterrre(); |
---|
[4584] | 301 | return -1; |
---|
| 302 | } |
---|
[4580] | 303 | } |
---|
| 304 | |
---|
| 305 | memset(&(vss->info), 0, sizeof(vss->info)); |
---|
| 306 | |
---|
| 307 | vss->info.rate = ROAR_RATE_DEFAULT; |
---|
| 308 | vss->info.channels = ROAR_CHANNELS_DEFAULT; |
---|
| 309 | vss->info.codec = codec; |
---|
| 310 | vss->info.bits = ROAR_BITS_DEFAULT; |
---|
| 311 | |
---|
| 312 | ret = roar_vs_stream(vss, &(vss->info), ROAR_DIR_PLAY, error); |
---|
| 313 | |
---|
| 314 | if ( ret == -1 ) { |
---|
| 315 | roar_vio_close(file); |
---|
| 316 | return -1; |
---|
| 317 | } |
---|
| 318 | } |
---|
| 319 | |
---|
| 320 | if ( roar_vs_file(vss, file, ROAR_VS_TRUE, error) == -1 ) { |
---|
| 321 | roar_vio_close(file); |
---|
| 322 | return -1; |
---|
| 323 | } |
---|
| 324 | |
---|
| 325 | return 0; |
---|
| 326 | } |
---|
| 327 | |
---|
| 328 | roar_vs_t * roar_vs_new_from_file(const char * server, const char * name, char * filename, int * error) { |
---|
| 329 | roar_vs_t * vss = roar_vs_new(server, name, error); |
---|
| 330 | |
---|
| 331 | if ( vss == NULL ) |
---|
| 332 | return NULL; |
---|
| 333 | |
---|
| 334 | if ( roar_vs_file_simple(vss, filename, error) != 0 ) { |
---|
| 335 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
---|
| 336 | return NULL; |
---|
| 337 | } |
---|
| 338 | |
---|
| 339 | return vss; |
---|
| 340 | } |
---|
| 341 | |
---|
[4626] | 342 | int roar_vs_buffer(roar_vs_t * vss, size_t buffer, int * error) { |
---|
| 343 | _ckvss(-1); |
---|
| 344 | |
---|
| 345 | if ( vss->flags & FLAG_BUFFERED ) |
---|
| 346 | return -1; |
---|
| 347 | |
---|
| 348 | if ( roar_buffer_ring_new(&(vss->readring), buffer, 0) == -1 ) { |
---|
| 349 | _seterrre(); |
---|
| 350 | return -1; |
---|
| 351 | } |
---|
| 352 | |
---|
| 353 | if ( roar_buffer_ring_new(&(vss->writering), buffer, 0) == -1 ) { |
---|
| 354 | _seterrre(); |
---|
| 355 | roar_buffer_free(vss->readring); |
---|
| 356 | vss->readring = NULL; |
---|
| 357 | return -1; |
---|
| 358 | } |
---|
| 359 | |
---|
| 360 | vss->flags |= FLAG_BUFFERED; |
---|
| 361 | |
---|
| 362 | return 0; |
---|
| 363 | } |
---|
| 364 | |
---|
[4174] | 365 | int roar_vs_close(roar_vs_t * vss, int killit, int * error) { |
---|
[4178] | 366 | if ( killit != ROAR_VS_TRUE && killit != ROAR_VS_FALSE ) { |
---|
[4618] | 367 | _seterr(ROAR_ERROR_INVAL); |
---|
[4178] | 368 | return -1; |
---|
| 369 | } |
---|
| 370 | |
---|
[4260] | 371 | _ckvss(-1); |
---|
| 372 | |
---|
[4580] | 373 | if ( vss->readbuffer != NULL ) |
---|
| 374 | roar_buffer_free(vss->readbuffer); |
---|
| 375 | if ( vss->writebuffer != NULL ) |
---|
| 376 | roar_buffer_free(vss->writebuffer); |
---|
| 377 | |
---|
[4626] | 378 | if ( vss->readring != NULL ) |
---|
| 379 | roar_buffer_free(vss->readring); |
---|
| 380 | if ( vss->writering != NULL ) |
---|
| 381 | roar_buffer_free(vss->writering); |
---|
| 382 | |
---|
[4580] | 383 | if ( vss->file != NULL && vss->flags & FLAG_CLOSEFILE ) |
---|
| 384 | roar_vio_close(vss->file); |
---|
| 385 | |
---|
[4174] | 386 | if ( vss->flags & FLAG_STREAM ) { |
---|
[4178] | 387 | if ( killit == ROAR_VS_TRUE ) { |
---|
[4174] | 388 | roar_kick(vss->con, ROAR_OT_STREAM, roar_stream_get_id(&(vss->stream))); |
---|
| 389 | } |
---|
| 390 | |
---|
| 391 | roar_vio_close(&(vss->vio)); |
---|
| 392 | } |
---|
| 393 | |
---|
| 394 | if ( vss->con == &(vss->con_store) ) { |
---|
| 395 | roar_disconnect(vss->con); |
---|
| 396 | } |
---|
| 397 | |
---|
| 398 | roar_mm_free(vss); |
---|
| 399 | return 0; |
---|
| 400 | } |
---|
| 401 | |
---|
[4626] | 402 | static ssize_t roar_vs_write_direct(roar_vs_t * vss, const void * buf, size_t len, int * error) { |
---|
| 403 | ssize_t ret = roar_vio_write(&(vss->vio), (void*)buf, len); |
---|
[4174] | 404 | |
---|
| 405 | if ( ret == -1 ) { |
---|
[4199] | 406 | #ifdef EAGAIN |
---|
[4873] | 407 | if ( roar_error == ROAR_ERROR_AGAIN ) |
---|
[4199] | 408 | return 0; |
---|
| 409 | #endif |
---|
| 410 | |
---|
[4186] | 411 | _seterrre(); |
---|
[4206] | 412 | } else { |
---|
[4717] | 413 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 414 | //printf("A: vss->writec=%zu, ret=%zi\n", vss->writec, ret); |
---|
[4636] | 415 | vss->writec += ret; |
---|
[4717] | 416 | } |
---|
[4174] | 417 | } |
---|
| 418 | |
---|
[4717] | 419 | //printf("B: vss->writec=%zu, ret=%zi\n", vss->writec, ret); |
---|
[4174] | 420 | return ret; |
---|
| 421 | } |
---|
| 422 | |
---|
[4626] | 423 | ssize_t roar_vs_write(roar_vs_t * vss, const void * buf, size_t len, int * error) { |
---|
| 424 | ssize_t ret; |
---|
| 425 | size_t writelen; |
---|
| 426 | |
---|
| 427 | _ckvss(-1); |
---|
| 428 | |
---|
| 429 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 430 | _seterr(ROAR_ERROR_INVAL); |
---|
| 431 | return -1; |
---|
| 432 | } |
---|
| 433 | |
---|
| 434 | _initerr(); |
---|
| 435 | |
---|
| 436 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 437 | writelen = len; |
---|
| 438 | |
---|
| 439 | if ( roar_buffer_ring_write(vss->writering, (void*)buf, &writelen) == -1 ) { |
---|
| 440 | _seterrre(); |
---|
| 441 | return -1; |
---|
| 442 | } |
---|
| 443 | |
---|
| 444 | ret = writelen; |
---|
| 445 | vss->writec += ret; |
---|
| 446 | } else { |
---|
| 447 | ret = roar_vs_write_direct(vss, buf, len, error); |
---|
| 448 | } |
---|
| 449 | |
---|
| 450 | return ret; |
---|
| 451 | } |
---|
| 452 | |
---|
[4174] | 453 | ssize_t roar_vs_read (roar_vs_t * vss, void * buf, size_t len, int * error) { |
---|
| 454 | ssize_t ret; |
---|
| 455 | |
---|
[4260] | 456 | _ckvss(-1); |
---|
| 457 | |
---|
[4174] | 458 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 459 | _seterr(ROAR_ERROR_INVAL); |
---|
| 460 | return -1; |
---|
| 461 | } |
---|
| 462 | |
---|
[4186] | 463 | _initerr(); |
---|
| 464 | |
---|
[4174] | 465 | ret = roar_vio_read(&(vss->vio), buf, len); |
---|
| 466 | |
---|
| 467 | if ( ret == -1 ) { |
---|
[4186] | 468 | _seterrre(); |
---|
[4206] | 469 | } else { |
---|
| 470 | vss->readc += ret; |
---|
[4174] | 471 | } |
---|
| 472 | |
---|
| 473 | return ret; |
---|
| 474 | } |
---|
| 475 | |
---|
[4175] | 476 | int roar_vs_sync (roar_vs_t * vss, int wait, int * error) { |
---|
[4579] | 477 | struct roar_event waits, triggered; |
---|
| 478 | |
---|
[4260] | 479 | _ckvss(-1); |
---|
| 480 | |
---|
[4175] | 481 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 482 | _seterr(ROAR_ERROR_INVAL); |
---|
| 483 | return -1; |
---|
| 484 | } |
---|
| 485 | |
---|
[4579] | 486 | if ( wait != ROAR_VS_NOWAIT && wait != ROAR_VS_WAIT ) { |
---|
[4175] | 487 | _seterr(ROAR_ERROR_INVAL); |
---|
| 488 | return -1; |
---|
| 489 | } |
---|
| 490 | |
---|
[4186] | 491 | _initerr(); |
---|
| 492 | |
---|
| 493 | if ( roar_vio_sync(&(vss->vio)) == -1 ) { |
---|
| 494 | _seterrre(); |
---|
| 495 | return -1; |
---|
| 496 | } |
---|
[4175] | 497 | |
---|
[4579] | 498 | if ( wait == ROAR_VS_WAIT ) { |
---|
| 499 | memset(&waits, 0, sizeof(waits)); |
---|
| 500 | waits.event = ROAR_OE_STREAM_XRUN; |
---|
| 501 | waits.emitter = -1; |
---|
| 502 | waits.target = roar_stream_get_id(&(vss->stream)); |
---|
| 503 | waits.target_type = ROAR_OT_STREAM; |
---|
| 504 | |
---|
| 505 | if ( roar_wait(vss->con, &triggered, &waits, 1) == -1 ) { |
---|
| 506 | _seterrre(); |
---|
| 507 | return -1; |
---|
| 508 | } |
---|
| 509 | } |
---|
| 510 | |
---|
[4175] | 511 | return 0; |
---|
| 512 | } |
---|
| 513 | |
---|
| 514 | int roar_vs_blocking (roar_vs_t * vss, int val, int * error) { |
---|
| 515 | int old = -1; |
---|
| 516 | |
---|
[4260] | 517 | _ckvss(-1); |
---|
| 518 | |
---|
[4175] | 519 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 520 | _seterr(ROAR_ERROR_INVAL); |
---|
| 521 | return -1; |
---|
| 522 | } |
---|
| 523 | |
---|
| 524 | old = vss->flags & FLAG_NONBLOCK ? ROAR_VS_FALSE : ROAR_VS_TRUE; |
---|
| 525 | |
---|
[4186] | 526 | _initerr(); |
---|
| 527 | |
---|
[4175] | 528 | switch (val) { |
---|
| 529 | case ROAR_VS_TRUE: |
---|
| 530 | if ( roar_vio_nonblock(&(vss->vio), ROAR_SOCKET_BLOCK) == -1 ) { |
---|
[4186] | 531 | _seterrre(); |
---|
[4175] | 532 | return -1; |
---|
| 533 | } |
---|
| 534 | vss->flags |= FLAG_NONBLOCK; |
---|
| 535 | vss->flags -= FLAG_NONBLOCK; |
---|
| 536 | return old; |
---|
| 537 | break; |
---|
| 538 | case ROAR_VS_FALSE: |
---|
| 539 | if ( roar_vio_nonblock(&(vss->vio), ROAR_SOCKET_NONBLOCK) == -1 ) { |
---|
[4186] | 540 | _seterrre(); |
---|
[4175] | 541 | return -1; |
---|
| 542 | } |
---|
| 543 | vss->flags |= FLAG_NONBLOCK; |
---|
| 544 | return old; |
---|
| 545 | break; |
---|
| 546 | case ROAR_VS_TOGGLE: |
---|
| 547 | if ( old == ROAR_VS_TRUE ) { |
---|
| 548 | return roar_vs_blocking(vss, ROAR_VS_FALSE, error); |
---|
| 549 | } else { |
---|
| 550 | return roar_vs_blocking(vss, ROAR_VS_TRUE, error); |
---|
| 551 | } |
---|
| 552 | break; |
---|
| 553 | case ROAR_VS_ASK: |
---|
| 554 | return old; |
---|
| 555 | break; |
---|
| 556 | } |
---|
| 557 | |
---|
| 558 | _seterr(ROAR_ERROR_INVAL); |
---|
| 559 | return -1; |
---|
| 560 | } |
---|
| 561 | |
---|
[4206] | 562 | static int _roar_vs_find_first_prim(roar_vs_t * vss) { |
---|
| 563 | struct roar_stream stream; |
---|
| 564 | struct roar_stream_info info; |
---|
| 565 | int id[ROAR_STREAMS_MAX]; |
---|
| 566 | int num; |
---|
| 567 | int i; |
---|
| 568 | |
---|
| 569 | if ( vss->first_primid != -1 ) |
---|
| 570 | return vss->first_primid; |
---|
| 571 | |
---|
| 572 | if ( vss->mixerid == -1 ) |
---|
| 573 | return -1; |
---|
| 574 | |
---|
| 575 | if ( (num = roar_list_streams(vss->con, id, ROAR_STREAMS_MAX)) == -1 ) { |
---|
| 576 | return -1; |
---|
| 577 | } |
---|
| 578 | |
---|
| 579 | for (i = 0; i < num; i++) { |
---|
| 580 | if ( roar_get_stream(vss->con, &stream, id[i]) == -1 ) |
---|
| 581 | continue; |
---|
| 582 | |
---|
| 583 | if ( stream.dir != ROAR_DIR_OUTPUT ) |
---|
| 584 | continue; |
---|
| 585 | |
---|
| 586 | if ( roar_stream_get_info(vss->con, &stream, &info) == -1 ) |
---|
| 587 | continue; |
---|
| 588 | |
---|
| 589 | if ( info.mixer == vss->mixerid ) { |
---|
| 590 | vss->first_primid = id[i]; |
---|
| 591 | return id[i]; |
---|
| 592 | } |
---|
| 593 | } |
---|
| 594 | |
---|
| 595 | return -1; |
---|
| 596 | } |
---|
| 597 | |
---|
| 598 | ssize_t roar_vs_position(roar_vs_t * vss, int backend, int * error) { |
---|
| 599 | struct roar_stream stream; |
---|
| 600 | struct roar_stream out_stream; |
---|
| 601 | struct roar_stream_info out_info; |
---|
[4637] | 602 | size_t offset = 0; |
---|
[4206] | 603 | |
---|
[4260] | 604 | _ckvss(-1); |
---|
| 605 | |
---|
[4206] | 606 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 607 | _seterr(ROAR_ERROR_INVAL); |
---|
| 608 | return -1; |
---|
| 609 | } |
---|
| 610 | |
---|
| 611 | _initerr(); |
---|
| 612 | |
---|
| 613 | if ( roar_get_stream(vss->con, &stream, roar_stream_get_id(&(vss->stream))) == -1 ) { |
---|
| 614 | _seterrre(); |
---|
| 615 | return -1; |
---|
| 616 | } |
---|
| 617 | |
---|
[4638] | 618 | if ( backend == ROAR_VS_BACKEND_DEFAULT ) { |
---|
| 619 | backend = ROAR_VS_BACKEND_FIRST; |
---|
| 620 | } |
---|
| 621 | |
---|
[4206] | 622 | switch (backend) { |
---|
| 623 | case ROAR_VS_BACKEND_NONE: |
---|
| 624 | return stream.pos; |
---|
| 625 | break; |
---|
| 626 | case ROAR_VS_BACKEND_FIRST: |
---|
| 627 | if ( vss->first_primid == -1 ) { |
---|
| 628 | _seterr(ROAR_ERROR_UNKNOWN); |
---|
| 629 | return -1; |
---|
| 630 | } |
---|
| 631 | |
---|
[4637] | 632 | backend = vss->first_primid; |
---|
| 633 | break; |
---|
| 634 | default: |
---|
| 635 | if ( backend < 0 ) { |
---|
| 636 | _seterr(ROAR_ERROR_INVAL); |
---|
[4206] | 637 | return -1; |
---|
| 638 | } |
---|
| 639 | break; |
---|
| 640 | } |
---|
| 641 | |
---|
[4637] | 642 | |
---|
| 643 | if ( backend >= 0 ) { |
---|
| 644 | roar_stream_new_by_id(&out_stream, backend); |
---|
| 645 | |
---|
| 646 | if ( roar_stream_get_info(vss->con, &out_stream, &out_info) == -1 ) { |
---|
| 647 | _seterrre(); |
---|
| 648 | return -1; |
---|
| 649 | } |
---|
| 650 | |
---|
| 651 | offset = out_info.delay * vss->info.rate; |
---|
| 652 | offset /= 1000000; |
---|
| 653 | } |
---|
| 654 | |
---|
| 655 | return stream.pos + offset; |
---|
[4175] | 656 | } |
---|
| 657 | |
---|
[4719] | 658 | #ifdef _HAVE_SOCKOPT |
---|
| 659 | static void roar_vs_latency_managed(roar_vs_t * vss, roar_mus_t lat) { |
---|
| 660 | struct roar_vio_sysio_sockopt sockopt; |
---|
| 661 | float tmp = ((float)lat/1000.0) - vss->latc.target; |
---|
| 662 | int val; |
---|
| 663 | |
---|
| 664 | tmp *= vss->latc.p; |
---|
| 665 | |
---|
| 666 | sockopt.level = SOL_SOCKET; |
---|
| 667 | sockopt.optname = SO_SNDBUF; |
---|
| 668 | sockopt.optval = &val; |
---|
| 669 | sockopt.optlen = sizeof(val); |
---|
| 670 | |
---|
| 671 | roar_vio_ctl(&(vss->vio), ROAR_VIO_CTL_GET_SYSIO_SOCKOPT, &sockopt); |
---|
| 672 | |
---|
| 673 | val /= 2; |
---|
| 674 | |
---|
| 675 | tmp = 1.0 - tmp; |
---|
| 676 | |
---|
| 677 | val = (float)val*tmp; |
---|
| 678 | |
---|
| 679 | sockopt.optlen = sizeof(val); |
---|
| 680 | |
---|
| 681 | roar_vio_ctl(&(vss->vio), ROAR_VIO_CTL_SET_SYSIO_SOCKOPT, &sockopt); |
---|
| 682 | } |
---|
| 683 | #endif |
---|
| 684 | |
---|
[4206] | 685 | roar_mus_t roar_vs_latency(roar_vs_t * vss, int backend, int * error) { |
---|
| 686 | ssize_t pos = roar_vs_position(vss, backend, error); |
---|
| 687 | ssize_t bps; // byte per sample |
---|
| 688 | size_t lioc; // local IO (byte) counter |
---|
| 689 | size_t lpos; // local possition |
---|
[4636] | 690 | signed long long int lag; |
---|
[4206] | 691 | |
---|
[4717] | 692 | // printf("pos=%zi\n", pos); |
---|
| 693 | |
---|
[4215] | 694 | _initerr(); |
---|
| 695 | |
---|
[4260] | 696 | _ckvss(-1); |
---|
| 697 | |
---|
[4215] | 698 | if (pos == -1) { |
---|
| 699 | _seterrre(); |
---|
| 700 | return 0; |
---|
| 701 | } |
---|
[4206] | 702 | |
---|
| 703 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 704 | _seterr(ROAR_ERROR_INVAL); |
---|
[4213] | 705 | return 0; |
---|
[4206] | 706 | } |
---|
| 707 | |
---|
| 708 | if ( vss->writec == 0 ) { |
---|
| 709 | lioc = vss->readc; |
---|
| 710 | } else { |
---|
[4717] | 711 | //printf("writec=%zu\n", vss->writec); |
---|
[4206] | 712 | lioc = vss->writec; |
---|
| 713 | } |
---|
| 714 | |
---|
| 715 | bps = roar_info2samplesize(&(vss->info)); |
---|
| 716 | |
---|
| 717 | if ( bps == -1 ) { |
---|
| 718 | _seterrre(); |
---|
[4213] | 719 | return 0; |
---|
[4206] | 720 | } |
---|
| 721 | |
---|
[4636] | 722 | lpos = (lioc*8) / bps; |
---|
[4206] | 723 | |
---|
[4717] | 724 | //printf("pos=%zi, lpos=%zi, bps=%zi, diff[lpos-pos]=%zi\n", pos, lpos, bps, (lpos - pos)); |
---|
[4636] | 725 | |
---|
| 726 | lag = (signed long long int)lpos - (signed long long int)pos; |
---|
| 727 | lag /= vss->info.channels; |
---|
[4206] | 728 | |
---|
| 729 | // we now have the lag in frames |
---|
[4636] | 730 | // return value are mus |
---|
| 731 | // so we need to multiply with 1s/mus and |
---|
[4206] | 732 | // multiply by 1/rate |
---|
| 733 | |
---|
[4636] | 734 | lag *= 1000000; // 1s/mus |
---|
[4206] | 735 | lag /= vss->info.rate; |
---|
| 736 | |
---|
[4213] | 737 | if ( lag == 0 ) { |
---|
| 738 | _seterr(ROAR_ERROR_NONE); |
---|
| 739 | } |
---|
| 740 | |
---|
[4719] | 741 | #ifdef _HAVE_SOCKOPT |
---|
| 742 | if (vss->latc.target > vss->latc.minlag) { |
---|
| 743 | roar_vs_latency_managed(vss, lag); |
---|
| 744 | } |
---|
| 745 | #endif |
---|
| 746 | |
---|
[4206] | 747 | return lag; |
---|
| 748 | } |
---|
| 749 | |
---|
[4175] | 750 | static int roar_vs_flag(roar_vs_t * vss, int flag, int val, int * error) { |
---|
| 751 | struct roar_stream_info info; |
---|
| 752 | int old = -1; |
---|
| 753 | |
---|
[4260] | 754 | _ckvss(-1); |
---|
| 755 | |
---|
[4175] | 756 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 757 | _seterr(ROAR_ERROR_INVAL); |
---|
| 758 | return -1; |
---|
| 759 | } |
---|
| 760 | |
---|
| 761 | if ( val != ROAR_VS_ASK ) |
---|
| 762 | old = roar_vs_flag(vss, flag, ROAR_VS_ASK, error); |
---|
| 763 | |
---|
[4186] | 764 | _initerr(); |
---|
| 765 | |
---|
[4175] | 766 | switch (val) { |
---|
| 767 | case ROAR_VS_TRUE: |
---|
| 768 | case ROAR_VS_FALSE: |
---|
| 769 | if ( roar_stream_set_flags(vss->con, &(vss->stream), flag, |
---|
| 770 | val == ROAR_VS_TRUE ? ROAR_SET_FLAG : ROAR_RESET_FLAG) == -1 ) { |
---|
[4186] | 771 | _seterrre(); |
---|
[4175] | 772 | return -1; |
---|
| 773 | } |
---|
| 774 | return old; |
---|
| 775 | break; |
---|
| 776 | case ROAR_VS_TOGGLE: |
---|
| 777 | return roar_vs_flag(vss, flag, old == ROAR_VS_TRUE ? ROAR_VS_FALSE : ROAR_VS_TRUE, error); |
---|
| 778 | break; |
---|
| 779 | case ROAR_VS_ASK: |
---|
| 780 | if ( roar_stream_get_info(vss->con, &(vss->stream), &info) == -1 ) { |
---|
[4186] | 781 | _seterrre(); |
---|
[4175] | 782 | return -1; |
---|
| 783 | } |
---|
| 784 | return info.flags & flag ? ROAR_VS_TRUE : ROAR_VS_FALSE; |
---|
| 785 | break; |
---|
| 786 | } |
---|
| 787 | |
---|
[4187] | 788 | _seterr(ROAR_ERROR_INVAL); |
---|
[4175] | 789 | return -1; |
---|
| 790 | } |
---|
| 791 | |
---|
| 792 | int roar_vs_pause(roar_vs_t * vss, int val, int * error) { |
---|
| 793 | return roar_vs_flag(vss, ROAR_FLAG_PAUSE, val, error); |
---|
| 794 | } |
---|
| 795 | |
---|
| 796 | int roar_vs_mute (roar_vs_t * vss, int val, int * error) { |
---|
| 797 | return roar_vs_flag(vss, ROAR_FLAG_MUTE, val, error); |
---|
| 798 | } |
---|
| 799 | |
---|
| 800 | static int roar_vs_volume (roar_vs_t * vss, float * c, size_t channels, int * error) { |
---|
| 801 | struct roar_mixer_settings mixer; |
---|
| 802 | size_t i; |
---|
[4850] | 803 | register float s, max_s = -100.0, scale = 65535.0; |
---|
[4182] | 804 | int oldchannels; |
---|
[4740] | 805 | int mode = ROAR_SET_VOL_ALL; |
---|
[4175] | 806 | |
---|
[4260] | 807 | _ckvss(-1); |
---|
| 808 | |
---|
[4175] | 809 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 810 | _seterr(ROAR_ERROR_INVAL); |
---|
| 811 | return -1; |
---|
| 812 | } |
---|
| 813 | |
---|
| 814 | if ( channels > ROAR_MAX_CHANNELS ) { |
---|
| 815 | _seterr(ROAR_ERROR_INVAL); |
---|
| 816 | return -1; |
---|
| 817 | } |
---|
| 818 | |
---|
[4186] | 819 | _initerr(); |
---|
| 820 | |
---|
[4182] | 821 | if ( roar_get_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, &oldchannels) == -1 ) { |
---|
[4186] | 822 | _seterrre(); |
---|
[4182] | 823 | return -1; |
---|
| 824 | } |
---|
| 825 | |
---|
[4850] | 826 | if ( vss->flags & FLAG_FREE_VOL ) { |
---|
| 827 | for (i = 0; i < channels; i++) { |
---|
| 828 | if ( c[i] > max_s ) { |
---|
| 829 | max_s = c[i]; |
---|
| 830 | } else if ( c[i] < -0.01 ) { |
---|
| 831 | _seterr(ROAR_ERROR_RANGE); |
---|
| 832 | return -1; |
---|
| 833 | } |
---|
| 834 | } |
---|
| 835 | |
---|
| 836 | if ( max_s > 1.00 ) { |
---|
| 837 | scale = 65535.0 / max_s; |
---|
| 838 | } |
---|
| 839 | } |
---|
| 840 | |
---|
[4179] | 841 | for (i = 0; i < channels; i++) { |
---|
[4850] | 842 | if ( vss->flags & FLAG_FREE_VOL ) { |
---|
| 843 | s = c[i] * scale; |
---|
| 844 | if ( s < 0.0 ) |
---|
| 845 | s = 0.0; |
---|
| 846 | } else { |
---|
| 847 | s = c[i] * 65535.0; |
---|
| 848 | if ( s > 66190.0 || s < -655.0 ) { |
---|
| 849 | _seterr(ROAR_ERROR_RANGE); |
---|
| 850 | return -1; |
---|
| 851 | } else if ( s > 65535.0 ) { |
---|
| 852 | s = 65535.0; |
---|
| 853 | } else if ( s < 0.0 ) { |
---|
| 854 | s = 0.0; |
---|
| 855 | } |
---|
[4179] | 856 | } |
---|
| 857 | mixer.mixer[i] = s; |
---|
| 858 | } |
---|
[4175] | 859 | |
---|
[4850] | 860 | if ( vss->flags & FLAG_FREE_VOL ) { |
---|
| 861 | mixer.scale = scale; |
---|
| 862 | } else { |
---|
| 863 | mixer.scale = 65535; |
---|
| 864 | } |
---|
[4182] | 865 | |
---|
[4740] | 866 | if ( channels != oldchannels ) |
---|
| 867 | mode = ROAR_SET_VOL_UNMAPPED; |
---|
| 868 | |
---|
| 869 | if ( roar_set_vol2(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, channels, mode) == 0 ) |
---|
| 870 | return 0; |
---|
| 871 | |
---|
| 872 | if ( mode == ROAR_SET_VOL_ALL ) { |
---|
| 873 | _seterrre(); |
---|
| 874 | return -1; |
---|
[4182] | 875 | } |
---|
[4175] | 876 | |
---|
[4740] | 877 | if ( roar_conv_volume(&mixer, &mixer, oldchannels, channels) == -1 ) { |
---|
| 878 | _seterrre(); |
---|
| 879 | return -1; |
---|
| 880 | } |
---|
| 881 | |
---|
| 882 | channels = oldchannels; |
---|
| 883 | mode = ROAR_SET_VOL_ALL; |
---|
| 884 | |
---|
| 885 | if ( roar_set_vol2(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, channels, mode) == -1 ) { |
---|
[4186] | 886 | _seterrre(); |
---|
[4175] | 887 | return -1; |
---|
| 888 | } |
---|
| 889 | |
---|
| 890 | return 0; |
---|
| 891 | } |
---|
| 892 | |
---|
| 893 | int roar_vs_volume_mono (roar_vs_t * vss, float c, int * error) { |
---|
| 894 | return roar_vs_volume(vss, &c, 1, error); |
---|
| 895 | } |
---|
| 896 | |
---|
| 897 | int roar_vs_volume_stereo (roar_vs_t * vss, float l, float r, int * error) { |
---|
| 898 | float c[2] = {l, r}; |
---|
| 899 | return roar_vs_volume(vss, c, 2, error); |
---|
| 900 | } |
---|
| 901 | |
---|
| 902 | int roar_vs_volume_get (roar_vs_t * vss, float * l, float * r, int * error) { |
---|
| 903 | struct roar_mixer_settings mixer; |
---|
| 904 | int channels; |
---|
| 905 | |
---|
| 906 | if ( vss == NULL || l == NULL || r == NULL ) { |
---|
| 907 | _seterr(ROAR_ERROR_INVAL); |
---|
| 908 | return -1; |
---|
| 909 | } |
---|
| 910 | |
---|
| 911 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 912 | _seterr(ROAR_ERROR_INVAL); |
---|
| 913 | return -1; |
---|
| 914 | } |
---|
| 915 | |
---|
[4186] | 916 | _initerr(); |
---|
| 917 | |
---|
[4175] | 918 | if ( roar_get_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, &channels) == -1 ) { |
---|
[4186] | 919 | _seterrre(); |
---|
[4175] | 920 | return -1; |
---|
| 921 | } |
---|
| 922 | |
---|
| 923 | if ( channels == 1 ) |
---|
| 924 | mixer.mixer[1] = mixer.mixer[0]; |
---|
| 925 | |
---|
| 926 | *l = mixer.mixer[0] / (float)mixer.scale; |
---|
| 927 | *r = mixer.mixer[1] / (float)mixer.scale; |
---|
| 928 | |
---|
| 929 | return 0; |
---|
| 930 | } |
---|
| 931 | |
---|
[4176] | 932 | int roar_vs_meta (roar_vs_t * vss, struct roar_keyval * kv, size_t len, int * error) { |
---|
| 933 | struct roar_meta meta; |
---|
| 934 | size_t i; |
---|
| 935 | int type; |
---|
[4180] | 936 | int ret = 0; |
---|
[4176] | 937 | |
---|
[4260] | 938 | _ckvss(-1); |
---|
| 939 | |
---|
[4176] | 940 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 941 | _seterr(ROAR_ERROR_INVAL); |
---|
| 942 | return -1; |
---|
| 943 | } |
---|
| 944 | |
---|
| 945 | meta.type = ROAR_META_TYPE_NONE; |
---|
| 946 | meta.key[0] = 0; |
---|
| 947 | meta.value = NULL; |
---|
| 948 | |
---|
[4186] | 949 | _initerr(); |
---|
[4176] | 950 | |
---|
[4180] | 951 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_CLEAR, &meta) == -1 ) { |
---|
[4186] | 952 | _seterrre(); |
---|
[4180] | 953 | ret = -1; |
---|
| 954 | } |
---|
[4176] | 955 | |
---|
| 956 | for (i = 0; i < len; i++) { |
---|
| 957 | type = roar_meta_inttype(kv[i].key); |
---|
| 958 | meta.type = type; |
---|
| 959 | meta.value = kv[i].value; |
---|
| 960 | |
---|
[4180] | 961 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_ADD, &meta) == -1 ) { |
---|
[4186] | 962 | _seterrre(); |
---|
[4180] | 963 | ret = -1; |
---|
| 964 | } |
---|
[4176] | 965 | } |
---|
| 966 | |
---|
| 967 | meta.type = ROAR_META_TYPE_NONE; |
---|
| 968 | meta.key[0] = 0; |
---|
| 969 | meta.value = NULL; |
---|
[4180] | 970 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_FINALIZE, &meta) == -1 ) { |
---|
[4186] | 971 | _seterrre(); |
---|
[4180] | 972 | ret = -1; |
---|
| 973 | } |
---|
[4176] | 974 | |
---|
[4180] | 975 | return ret; |
---|
[4176] | 976 | } |
---|
[4174] | 977 | |
---|
[4212] | 978 | int roar_vs_role (roar_vs_t * vss, int role, int * error) { |
---|
[4260] | 979 | _ckvss(-1); |
---|
| 980 | |
---|
[4212] | 981 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 982 | _seterr(ROAR_ERROR_INVAL); |
---|
| 983 | return -1; |
---|
| 984 | } |
---|
| 985 | |
---|
| 986 | _initerr(); |
---|
| 987 | |
---|
| 988 | if ( roar_stream_set_role(vss->con, &(vss->stream), role) == -1 ) { |
---|
| 989 | _seterrre(); |
---|
| 990 | return -1; |
---|
| 991 | } |
---|
| 992 | |
---|
| 993 | return 0; |
---|
| 994 | } |
---|
| 995 | |
---|
[4580] | 996 | |
---|
| 997 | int roar_vs_iterate (roar_vs_t * vss, int wait, int * error) { |
---|
| 998 | struct roar_vio_select vios[3]; |
---|
| 999 | struct roar_vio_selecttv rtv = {.sec = 0, .nsec = 1}; |
---|
| 1000 | size_t len = 0; |
---|
| 1001 | ssize_t i; |
---|
| 1002 | ssize_t ret; |
---|
| 1003 | int can_read = 0, can_write = 0; |
---|
| 1004 | int can_flush_stream = 0, can_flush_file = 0; |
---|
| 1005 | int is_eof = 0; |
---|
| 1006 | void * data; |
---|
[4626] | 1007 | size_t tmp; |
---|
| 1008 | |
---|
| 1009 | // TODO: fix error handling below. |
---|
[4580] | 1010 | |
---|
| 1011 | _ckvss(-1); |
---|
| 1012 | |
---|
| 1013 | if ( wait != ROAR_VS_WAIT && wait != ROAR_VS_NOWAIT ) { |
---|
| 1014 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1015 | return -1; |
---|
| 1016 | } |
---|
| 1017 | |
---|
| 1018 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), &(vss->vio), ((vss->flags & FLAG_DIR_IN ? ROAR_VIO_SELECT_READ : 0) | |
---|
| 1019 | (vss->flags & FLAG_DIR_OUT ? ROAR_VIO_SELECT_WRITE : 0))); |
---|
| 1020 | vios[len].ud.vp = &(vss->vio); |
---|
| 1021 | len++; |
---|
| 1022 | |
---|
| 1023 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), roar_get_connection_vio2(vss->con), ROAR_VIO_SELECT_READ); |
---|
| 1024 | vios[len].ud.vp = vss->con; |
---|
| 1025 | len++; |
---|
| 1026 | |
---|
| 1027 | |
---|
| 1028 | // TODO: FIXME: need to do two select()s so we can sleep more efficently and test for both directions. |
---|
| 1029 | // for the moment we disable file direction and hope it will not block anyway... |
---|
| 1030 | /* |
---|
| 1031 | if ( vss->file != NULL ) { |
---|
| 1032 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), vss->file, ((vss->flags & FLAG_DIR_IN ? ROAR_VIO_SELECT_WRITE : 0) | |
---|
| 1033 | (vss->flags & FLAG_DIR_OUT ? ROAR_VIO_SELECT_READ : 0))); |
---|
| 1034 | vios[len].ud.vp = vss->file; |
---|
| 1035 | len++; |
---|
| 1036 | } |
---|
| 1037 | */ |
---|
| 1038 | |
---|
| 1039 | ret = roar_vio_select(vios, len, (wait == ROAR_VS_NOWAIT ? &rtv : NULL), NULL); |
---|
| 1040 | |
---|
| 1041 | // part 2 of above hack: |
---|
| 1042 | // emulate read handle. |
---|
[4626] | 1043 | if ( vss->file != NULL ) { |
---|
| 1044 | vios[len].ud.vp = vss->file; |
---|
| 1045 | vios[len].eventsa = ROAR_VIO_SELECT_WRITE|ROAR_VIO_SELECT_READ; |
---|
| 1046 | len++; |
---|
| 1047 | } |
---|
[4580] | 1048 | |
---|
| 1049 | // no error here nor EOF. |
---|
| 1050 | if ( ret == 0 ) |
---|
| 1051 | return 1; |
---|
| 1052 | |
---|
| 1053 | for (i = 0; i < len; i++) { |
---|
| 1054 | if ( !vios[i].eventsa ) |
---|
| 1055 | continue; |
---|
| 1056 | |
---|
| 1057 | if ( vios[i].ud.vp == &(vss->vio) ) { |
---|
| 1058 | if ( vios[i].eventsa & ROAR_VIO_SELECT_READ ) |
---|
| 1059 | can_read++; |
---|
| 1060 | |
---|
| 1061 | if ( vios[i].eventsa & ROAR_VIO_SELECT_WRITE ) { |
---|
| 1062 | can_write++; |
---|
| 1063 | can_flush_stream = 1; |
---|
| 1064 | } |
---|
| 1065 | } else if ( vios[i].ud.vp == vss->con ) { |
---|
| 1066 | roar_sync(vss->con); |
---|
[4626] | 1067 | } else if ( vss->file != NULL && vios[i].ud.vp == vss->file ) { |
---|
[4580] | 1068 | if ( vios[i].eventsa & ROAR_VIO_SELECT_READ ) |
---|
| 1069 | can_write++; |
---|
| 1070 | |
---|
| 1071 | if ( vios[i].eventsa & ROAR_VIO_SELECT_WRITE ) { |
---|
| 1072 | can_read++; |
---|
| 1073 | can_flush_file = 1; |
---|
| 1074 | } |
---|
| 1075 | } |
---|
| 1076 | } |
---|
| 1077 | |
---|
[4626] | 1078 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 1079 | if ( roar_buffer_ring_avail(vss->readring, NULL, &tmp) != -1 ) |
---|
| 1080 | if ( tmp > 0 ) |
---|
| 1081 | can_read++; |
---|
| 1082 | |
---|
[4628] | 1083 | // no check here to just let the read return zero and we do EOF handling. |
---|
| 1084 | /* |
---|
[4626] | 1085 | if ( roar_buffer_ring_avail(vss->writering, &tmp, NULL) != -1 ) |
---|
| 1086 | if ( tmp > 0 ) |
---|
[4628] | 1087 | */ |
---|
[4626] | 1088 | can_write++; |
---|
| 1089 | } |
---|
| 1090 | |
---|
| 1091 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p): can_read=%i, can_write=%i", vss, wait, error, can_read, can_write); |
---|
| 1092 | |
---|
[4580] | 1093 | // TODO: FIXME: Need to correct error handling here! |
---|
| 1094 | |
---|
| 1095 | if ( can_flush_stream && vss->writebuffer != NULL ) { |
---|
| 1096 | if ( roar_buffer_get_data(vss->writebuffer, &data) == -1 ) |
---|
| 1097 | return -1; |
---|
| 1098 | |
---|
| 1099 | if ( roar_buffer_get_len(vss->writebuffer, &len) == -1 ) |
---|
| 1100 | return -1; |
---|
| 1101 | |
---|
[4626] | 1102 | ret = roar_vs_write_direct(vss, data, len, error); |
---|
[4580] | 1103 | |
---|
| 1104 | if ( ret == -1 ) { |
---|
| 1105 | return -1; |
---|
| 1106 | } else if ( ret == len ) { |
---|
| 1107 | roar_buffer_free(vss->writebuffer); |
---|
| 1108 | vss->writebuffer = NULL; |
---|
| 1109 | } else { |
---|
| 1110 | if ( roar_buffer_set_offset(vss->writebuffer, ret) == -1 ) |
---|
| 1111 | return -1; |
---|
| 1112 | } |
---|
| 1113 | } |
---|
| 1114 | |
---|
| 1115 | if ( can_flush_file && vss->readbuffer != NULL ) { |
---|
| 1116 | if ( roar_buffer_get_data(vss->readbuffer, &data) == -1 ) |
---|
| 1117 | return -1; |
---|
| 1118 | |
---|
| 1119 | if ( roar_buffer_get_len(vss->readbuffer, &len) == -1 ) |
---|
| 1120 | return -1; |
---|
| 1121 | |
---|
| 1122 | ret = roar_vio_write(vss->file, data, len); |
---|
| 1123 | |
---|
| 1124 | if ( ret == -1 ) { |
---|
| 1125 | return -1; |
---|
| 1126 | } else if ( ret == len ) { |
---|
| 1127 | roar_buffer_free(vss->readbuffer); |
---|
| 1128 | vss->readbuffer = NULL; |
---|
| 1129 | } else { |
---|
| 1130 | if ( roar_buffer_set_offset(vss->readbuffer, ret) == -1 ) |
---|
| 1131 | return -1; |
---|
| 1132 | } |
---|
| 1133 | } |
---|
| 1134 | |
---|
| 1135 | #define _READ_SIZE 1024 |
---|
| 1136 | |
---|
| 1137 | if ( can_read == 2 && vss->readbuffer == NULL ) { |
---|
| 1138 | if ( roar_buffer_new_data(&(vss->readbuffer), (len = _READ_SIZE), &data) == -1 ) |
---|
| 1139 | return -1; |
---|
| 1140 | |
---|
| 1141 | ret = roar_vs_read(vss, data, len, error); |
---|
| 1142 | |
---|
| 1143 | if ( ret == -1 ) { |
---|
| 1144 | roar_buffer_free(vss->readbuffer); |
---|
| 1145 | vss->readbuffer = NULL; |
---|
| 1146 | return -1; |
---|
| 1147 | } else if ( ret == 0 ) { |
---|
| 1148 | is_eof = 1; |
---|
| 1149 | roar_buffer_free(vss->readbuffer); |
---|
| 1150 | vss->readbuffer = NULL; |
---|
| 1151 | } else { |
---|
| 1152 | len = ret; |
---|
| 1153 | if ( roar_buffer_set_len(vss->readbuffer, len) == -1 ) |
---|
| 1154 | return -1; |
---|
| 1155 | |
---|
[4626] | 1156 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 1157 | tmp = len; |
---|
| 1158 | if ( roar_buffer_ring_write(vss->readring, data, &tmp) == -1 ) { |
---|
| 1159 | ret = -1; |
---|
| 1160 | } else { |
---|
| 1161 | ret = tmp; |
---|
| 1162 | } |
---|
| 1163 | } else { |
---|
| 1164 | ret = roar_vio_write(vss->file, data, len); |
---|
| 1165 | } |
---|
[4580] | 1166 | |
---|
| 1167 | if ( ret == -1 ) { |
---|
| 1168 | return -1; |
---|
| 1169 | } else if ( ret == len ) { |
---|
| 1170 | roar_buffer_free(vss->readbuffer); |
---|
| 1171 | vss->readbuffer = NULL; |
---|
| 1172 | } else { |
---|
| 1173 | if ( roar_buffer_set_offset(vss->readbuffer, ret) == -1 ) |
---|
| 1174 | return -1; |
---|
| 1175 | } |
---|
| 1176 | } |
---|
| 1177 | } |
---|
| 1178 | |
---|
| 1179 | if ( can_write == 2 && vss->writebuffer == NULL ) { |
---|
| 1180 | if ( roar_buffer_new_data(&(vss->writebuffer), (len = _READ_SIZE), &data) == -1 ) |
---|
| 1181 | return -1; |
---|
| 1182 | |
---|
[4626] | 1183 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 1184 | tmp = len; |
---|
| 1185 | if ( roar_buffer_ring_read(vss->writering, data, &tmp) == -1 ) { |
---|
| 1186 | ret = -1; |
---|
| 1187 | } else { |
---|
| 1188 | ret = tmp; |
---|
| 1189 | } |
---|
| 1190 | } else { |
---|
| 1191 | ret = roar_vio_read(vss->file, data, len); |
---|
| 1192 | } |
---|
[4580] | 1193 | |
---|
[4581] | 1194 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p): ret=%lli", vss, wait, error, (long long int)ret); |
---|
| 1195 | |
---|
[4580] | 1196 | if ( ret == -1 ) { |
---|
[4581] | 1197 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1198 | |
---|
[4580] | 1199 | roar_buffer_free(vss->writebuffer); |
---|
[4581] | 1200 | vss->writebuffer = NULL; |
---|
[4580] | 1201 | return -1; |
---|
| 1202 | } else if ( ret == 0 ) { |
---|
[4581] | 1203 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1204 | |
---|
[4580] | 1205 | is_eof = 1; |
---|
| 1206 | roar_buffer_free(vss->writebuffer); |
---|
[4581] | 1207 | vss->writebuffer = NULL; |
---|
[4580] | 1208 | } else { |
---|
[4581] | 1209 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1210 | |
---|
[4580] | 1211 | if ( len != ret ) { |
---|
| 1212 | len = ret; |
---|
[4581] | 1213 | if ( roar_buffer_set_len(vss->writebuffer, len) == -1 ) |
---|
[4580] | 1214 | return -1; |
---|
| 1215 | } |
---|
| 1216 | |
---|
[4581] | 1217 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1218 | |
---|
[4626] | 1219 | ret = roar_vs_write_direct(vss, data, len, error); |
---|
[4580] | 1220 | |
---|
| 1221 | if ( ret == -1 ) { |
---|
| 1222 | return -1; |
---|
| 1223 | } else if ( ret == len ) { |
---|
| 1224 | roar_buffer_free(vss->writebuffer); |
---|
| 1225 | vss->writebuffer = NULL; |
---|
| 1226 | } else { |
---|
| 1227 | if ( roar_buffer_set_offset(vss->writebuffer, ret) == -1 ) |
---|
| 1228 | return -1; |
---|
| 1229 | } |
---|
| 1230 | } |
---|
| 1231 | } |
---|
| 1232 | |
---|
[4639] | 1233 | return is_eof ? 0 : 2; |
---|
[4580] | 1234 | } |
---|
| 1235 | |
---|
| 1236 | int roar_vs_run (roar_vs_t * vss, int * error) { |
---|
| 1237 | int ret; |
---|
| 1238 | |
---|
| 1239 | _ckvss(-1); |
---|
| 1240 | |
---|
| 1241 | while ((ret = roar_vs_iterate(vss, ROAR_VS_WAIT, error)) > 0); |
---|
| 1242 | |
---|
[4581] | 1243 | ROAR_DBG("roar_vs_run(vss=%p, error=%p): ret=%i", vss, error, ret); |
---|
| 1244 | |
---|
[4580] | 1245 | if ( ret == 0 ) { |
---|
| 1246 | // flush buffers: |
---|
| 1247 | roar_vs_iterate(vss, ROAR_VS_WAIT, error); |
---|
| 1248 | } |
---|
| 1249 | |
---|
[4581] | 1250 | if ( roar_vs_sync(vss, ROAR_VS_WAIT, error) == -1 ) |
---|
| 1251 | return -1; |
---|
| 1252 | |
---|
[4580] | 1253 | return ret; |
---|
| 1254 | } |
---|
| 1255 | |
---|
[4626] | 1256 | ssize_t roar_vs_get_avail_read(roar_vs_t * vss, int * error) { |
---|
| 1257 | size_t len; |
---|
| 1258 | |
---|
| 1259 | _ckvss(-1); |
---|
| 1260 | |
---|
| 1261 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 1262 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1263 | return -1; |
---|
| 1264 | } |
---|
| 1265 | |
---|
| 1266 | if ( roar_buffer_ring_avail(vss->readring, &len, NULL) == -1 ) { |
---|
| 1267 | _seterrre(); |
---|
| 1268 | return -1; |
---|
| 1269 | } |
---|
| 1270 | |
---|
| 1271 | return len; |
---|
| 1272 | } |
---|
| 1273 | |
---|
| 1274 | ssize_t roar_vs_get_avail_write(roar_vs_t * vss, int * error) { |
---|
| 1275 | size_t len; |
---|
| 1276 | |
---|
| 1277 | _ckvss(-1); |
---|
| 1278 | |
---|
| 1279 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 1280 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1281 | return -1; |
---|
| 1282 | } |
---|
| 1283 | |
---|
| 1284 | if ( roar_buffer_ring_avail(vss->writering, NULL, &len) == -1 ) { |
---|
| 1285 | _seterrre(); |
---|
| 1286 | return -1; |
---|
| 1287 | } |
---|
| 1288 | |
---|
| 1289 | return len; |
---|
| 1290 | } |
---|
| 1291 | |
---|
[4629] | 1292 | int roar_vs_reset_buffer(roar_vs_t * vss, int writering, int readring, int * error) { |
---|
| 1293 | _ckvss(-1); |
---|
| 1294 | |
---|
| 1295 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 1296 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1297 | return -1; |
---|
| 1298 | } |
---|
| 1299 | |
---|
| 1300 | if ( writering != ROAR_VS_TRUE || writering != ROAR_VS_FALSE || |
---|
| 1301 | readring != ROAR_VS_TRUE || readring != ROAR_VS_FALSE ) { |
---|
| 1302 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1303 | return -1; |
---|
| 1304 | } |
---|
| 1305 | |
---|
| 1306 | if ( writering ) { |
---|
| 1307 | if ( roar_buffer_ring_reset(vss->writering) == -1 ) { |
---|
| 1308 | _seterrre(); |
---|
| 1309 | return -1; |
---|
| 1310 | } |
---|
| 1311 | } |
---|
| 1312 | |
---|
| 1313 | if ( readring ) { |
---|
| 1314 | if ( roar_buffer_ring_reset(vss->readring) == -1 ) { |
---|
| 1315 | _seterrre(); |
---|
| 1316 | return -1; |
---|
| 1317 | } |
---|
| 1318 | } |
---|
| 1319 | |
---|
| 1320 | return 0; |
---|
| 1321 | } |
---|
| 1322 | |
---|
[4622] | 1323 | int roar_vs_ctl (roar_vs_t * vss, roar_vs_ctlcmd cmd, void * argp, int * error) { |
---|
| 1324 | _ckvss(-1); |
---|
| 1325 | |
---|
| 1326 | switch (cmd) { |
---|
| 1327 | case ROAR_VS_CMD_NOOP: |
---|
| 1328 | break; |
---|
| 1329 | case ROAR_VS_CMD_SET_MIXER: |
---|
| 1330 | vss->mixerid = *(int*)argp; |
---|
| 1331 | break; |
---|
| 1332 | case ROAR_VS_CMD_GET_MIXER: |
---|
| 1333 | *(int*)argp = vss->mixerid; |
---|
| 1334 | break; |
---|
| 1335 | case ROAR_VS_CMD_SET_FIRST_PRIM: |
---|
| 1336 | vss->first_primid = *(int*)argp; |
---|
| 1337 | break; |
---|
| 1338 | case ROAR_VS_CMD_GET_FIRST_PRIM: |
---|
| 1339 | *(int*)argp = vss->first_primid; |
---|
| 1340 | break; |
---|
[4719] | 1341 | #ifdef _HAVE_SOCKOPT |
---|
| 1342 | case ROAR_VS_CMD_SET_LATC_P: |
---|
| 1343 | vss->latc.p = *(float*)argp; |
---|
| 1344 | break; |
---|
| 1345 | case ROAR_VS_CMD_GET_LATC_P: |
---|
| 1346 | *(float*)argp = vss->latc.p; |
---|
| 1347 | break; |
---|
| 1348 | case ROAR_VS_CMD_SET_LATC_TARGET: |
---|
| 1349 | vss->latc.target = *(float*)argp; |
---|
| 1350 | break; |
---|
| 1351 | case ROAR_VS_CMD_GET_LATC_TARGET: |
---|
| 1352 | *(float*)argp = vss->latc.target; |
---|
| 1353 | break; |
---|
| 1354 | case ROAR_VS_CMD_SET_LATC_WINDOW: |
---|
| 1355 | vss->latc.window = *(float*)argp; |
---|
| 1356 | break; |
---|
| 1357 | case ROAR_VS_CMD_GET_LATC_WINDOW: |
---|
| 1358 | *(float*)argp = vss->latc.window; |
---|
| 1359 | break; |
---|
| 1360 | case ROAR_VS_CMD_SET_LATC_MINLAG: |
---|
| 1361 | vss->latc.minlag = *(float*)argp; |
---|
| 1362 | break; |
---|
| 1363 | case ROAR_VS_CMD_GET_LATC_MINLAG: |
---|
| 1364 | *(float*)argp = vss->latc.minlag; |
---|
| 1365 | break; |
---|
| 1366 | #endif |
---|
[4850] | 1367 | case ROAR_VS_CMD_SET_FREE_VOLUME: |
---|
| 1368 | vss->flags |= FLAG_FREE_VOL; |
---|
| 1369 | if ( !*(int*)argp ) { |
---|
| 1370 | vss->flags -= FLAG_FREE_VOL; |
---|
| 1371 | } |
---|
| 1372 | break; |
---|
| 1373 | case ROAR_VS_CMD_GET_FREE_VOLUME: |
---|
| 1374 | *(int*)argp = vss->flags & FLAG_FREE_VOL ? 1 : 0; |
---|
| 1375 | break; |
---|
[4719] | 1376 | // use ifndef here so warnings of unhandled enum values will be shown in DEBUG mode. |
---|
| 1377 | #ifndef DEBUG |
---|
| 1378 | default: |
---|
| 1379 | return -1; |
---|
| 1380 | break; |
---|
| 1381 | #endif |
---|
[4622] | 1382 | } |
---|
| 1383 | |
---|
| 1384 | return 0; |
---|
| 1385 | } |
---|
[4580] | 1386 | |
---|
[4183] | 1387 | struct roar_connection * roar_vs_connection_obj(roar_vs_t * vss, int * error) { |
---|
[4260] | 1388 | _ckvss(NULL); |
---|
| 1389 | |
---|
[4183] | 1390 | return vss->con; |
---|
| 1391 | } |
---|
| 1392 | |
---|
| 1393 | struct roar_stream * roar_vs_stream_obj (roar_vs_t * vss, int * error) { |
---|
[4260] | 1394 | _ckvss(NULL); |
---|
| 1395 | |
---|
[4183] | 1396 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1397 | _seterr(ROAR_ERROR_INVAL); |
---|
[4186] | 1398 | return NULL; |
---|
[4183] | 1399 | } |
---|
| 1400 | |
---|
| 1401 | return &(vss->stream); |
---|
| 1402 | } |
---|
| 1403 | |
---|
| 1404 | struct roar_vio_calls * roar_vs_vio_obj (roar_vs_t * vss, int * error) { |
---|
[4260] | 1405 | _ckvss(NULL); |
---|
| 1406 | |
---|
[4183] | 1407 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1408 | _seterr(ROAR_ERROR_INVAL); |
---|
[4186] | 1409 | return NULL; |
---|
[4183] | 1410 | } |
---|
| 1411 | |
---|
| 1412 | return &(vss->vio); |
---|
| 1413 | } |
---|
| 1414 | |
---|
[4173] | 1415 | //ll |
---|