[4173] | 1 | //vs.c: |
---|
| 2 | |
---|
| 3 | /* |
---|
| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010 |
---|
| 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 | |
---|
[4580] | 38 | #define FLAG_NONE 0x0000 |
---|
| 39 | #define FLAG_STREAM 0x0001 |
---|
| 40 | #define FLAG_NONBLOCK 0x0002 |
---|
| 41 | #define FLAG_BUFFERED 0x0004 |
---|
| 42 | #define FLAG_CLOSEFILE 0x0008 |
---|
| 43 | #define FLAG_DIR_IN 0x1000 |
---|
| 44 | #define FLAG_DIR_OUT 0x2000 |
---|
[4174] | 45 | |
---|
[4186] | 46 | #define _initerr() do { errno = 0; roar_err_clear(); } while(0) |
---|
| 47 | #define _seterr(x) do { if ( error != NULL ) *error = (x); } while(0) |
---|
| 48 | #define _seterrre() do { _seterr(roar_errno); } while(0) |
---|
| 49 | #define _seterrse() do { roar_err_from_errno(); _seterr(roar_errno); } while(0) |
---|
[4260] | 50 | #define _ckvss(ret) do { if ( vss == NULL ) { _seterr(ROAR_ERROR_INVAL); return (ret); } } while(0) |
---|
[4174] | 51 | |
---|
| 52 | struct roar_vs { |
---|
| 53 | int flags; |
---|
| 54 | struct roar_connection con_store; |
---|
| 55 | struct roar_connection * con; |
---|
| 56 | struct roar_stream stream; |
---|
| 57 | struct roar_vio_calls vio; |
---|
[4206] | 58 | struct roar_audio_info info; |
---|
| 59 | size_t readc, writec; |
---|
| 60 | int mixerid; |
---|
| 61 | int first_primid; |
---|
[4580] | 62 | struct roar_buffer * readbuffer, * writebuffer; |
---|
| 63 | struct roar_vio_calls file_store; |
---|
| 64 | struct roar_vio_calls * file; |
---|
[4174] | 65 | }; |
---|
| 66 | |
---|
[4206] | 67 | static int _roar_vs_find_first_prim(roar_vs_t * vss); |
---|
| 68 | |
---|
[4174] | 69 | const char * roar_vs_strerr(int error) { |
---|
| 70 | const struct { |
---|
| 71 | int err; |
---|
| 72 | const char * msg; |
---|
| 73 | } msgs[] = { |
---|
[4181] | 74 | {ROAR_ERROR_NONE, "No error"}, |
---|
| 75 | {ROAR_ERROR_PERM, "Operation not permitted"}, |
---|
| 76 | {ROAR_ERROR_NOENT, "No such object, file or directory"}, |
---|
| 77 | {ROAR_ERROR_BADMSG, "Bad message"}, |
---|
| 78 | {ROAR_ERROR_BUSY, "Device or resource busy"}, |
---|
| 79 | {ROAR_ERROR_CONNREFUSED, "Connection refused"}, |
---|
| 80 | {ROAR_ERROR_NOSYS, "Function not implemented"}, |
---|
| 81 | {ROAR_ERROR_NOTSUP, "Operation not supported"}, |
---|
| 82 | {ROAR_ERROR_PIPE, "Broken pipe"}, |
---|
| 83 | {ROAR_ERROR_PROTO, "Protocol error"}, |
---|
| 84 | {ROAR_ERROR_RANGE, "Result too large or parameter out of range"}, |
---|
| 85 | {ROAR_ERROR_MSGSIZE, "Message too long"}, |
---|
| 86 | {ROAR_ERROR_NOMEM, "Not enough space"}, |
---|
| 87 | {ROAR_ERROR_INVAL, "Invalid argument"}, |
---|
[4174] | 88 | {-1, NULL} |
---|
| 89 | }; |
---|
| 90 | int i; |
---|
| 91 | |
---|
| 92 | for (i = 0; msgs[i].msg != NULL; i++) |
---|
| 93 | if ( msgs[i].err == error ) |
---|
| 94 | return msgs[i].msg; |
---|
| 95 | |
---|
| 96 | return "(unknown)"; |
---|
| 97 | } |
---|
| 98 | |
---|
| 99 | static roar_vs_t * roar_vs_init(int * error) { |
---|
| 100 | roar_vs_t * vss = roar_mm_malloc(sizeof(roar_vs_t)); |
---|
| 101 | |
---|
| 102 | if ( vss == NULL ) { |
---|
[4186] | 103 | _seterrse(); |
---|
[4174] | 104 | return NULL; |
---|
| 105 | } |
---|
| 106 | |
---|
| 107 | memset(vss, 0, sizeof(roar_vs_t)); |
---|
| 108 | |
---|
[4206] | 109 | vss->mixerid = -1; |
---|
| 110 | vss->first_primid = -1; |
---|
| 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 ) { |
---|
| 175 | vss->mixerid = sinfo.mixer; |
---|
| 176 | _roar_vs_find_first_prim(vss); |
---|
| 177 | } |
---|
| 178 | |
---|
[4174] | 179 | vss->flags |= FLAG_STREAM; |
---|
| 180 | |
---|
[4580] | 181 | switch (dir) { |
---|
| 182 | case ROAR_DIR_PLAY: vss->flags |= FLAG_DIR_OUT; break; |
---|
| 183 | } |
---|
| 184 | |
---|
[4174] | 185 | return 0; |
---|
| 186 | } |
---|
| 187 | |
---|
| 188 | 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) { |
---|
| 189 | roar_vs_t * vss = roar_vs_new(server, name, error); |
---|
| 190 | int ret; |
---|
| 191 | |
---|
| 192 | if (vss == NULL) |
---|
| 193 | return NULL; |
---|
| 194 | |
---|
[4206] | 195 | memset(&(vss->info), 0, sizeof(vss->info)); |
---|
[4174] | 196 | |
---|
[4206] | 197 | vss->info.rate = rate; |
---|
| 198 | vss->info.channels = channels; |
---|
| 199 | vss->info.codec = codec; |
---|
| 200 | vss->info.bits = bits; |
---|
[4174] | 201 | |
---|
[4206] | 202 | ret = roar_vs_stream(vss, &(vss->info), dir, error); |
---|
[4174] | 203 | |
---|
| 204 | if (ret == -1) { |
---|
| 205 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
---|
| 206 | return NULL; |
---|
| 207 | } |
---|
| 208 | |
---|
| 209 | return vss; |
---|
| 210 | } |
---|
| 211 | |
---|
[4580] | 212 | int roar_vs_file(roar_vs_t * vss, struct roar_vio_calls * vio, int closefile, int * error) { |
---|
| 213 | _ckvss(-1); |
---|
| 214 | |
---|
| 215 | if ( vio == NULL || (closefile != ROAR_VS_TRUE && closefile != ROAR_VS_FALSE)) { |
---|
| 216 | _seterr(ROAR_ERROR_INVAL); |
---|
| 217 | return -1; |
---|
| 218 | } |
---|
| 219 | |
---|
| 220 | if ( vss->file != NULL ) { |
---|
| 221 | _seterr(ROAR_ERROR_INVAL); |
---|
| 222 | return -1; |
---|
| 223 | } |
---|
| 224 | |
---|
| 225 | vss->file = vio; |
---|
| 226 | if ( closefile == ROAR_VS_TRUE ) |
---|
| 227 | vss->flags |= FLAG_CLOSEFILE; |
---|
| 228 | |
---|
| 229 | return 0; |
---|
| 230 | } |
---|
| 231 | |
---|
| 232 | int roar_vs_file_simple(roar_vs_t * vss, char * filename, int * error) { |
---|
| 233 | struct roar_vio_defaults def; |
---|
| 234 | struct roar_vio_calls * file; |
---|
| 235 | char buf[64]; |
---|
| 236 | ssize_t ret; |
---|
| 237 | int dir = O_RDONLY; |
---|
[4584] | 238 | int codec = -1; |
---|
| 239 | const char * content_type; |
---|
[4580] | 240 | |
---|
| 241 | _ckvss(-1); |
---|
| 242 | |
---|
| 243 | if ( vss->file != NULL ) { |
---|
| 244 | _seterr(ROAR_ERROR_INVAL); |
---|
| 245 | return -1; |
---|
| 246 | } |
---|
| 247 | |
---|
| 248 | if ( vss->flags & FLAG_STREAM ) { |
---|
| 249 | switch (vss->flags & (FLAG_DIR_IN|FLAG_DIR_OUT)) { |
---|
| 250 | case FLAG_DIR_IN: dir = O_WRONLY; break; |
---|
| 251 | case FLAG_DIR_OUT: dir = O_RDONLY; break; |
---|
| 252 | case FLAG_DIR_IN|FLAG_DIR_OUT: dir = O_RDWR; break; |
---|
[4616] | 253 | default: |
---|
| 254 | _seterr(ROAR_ERROR_INVAL); |
---|
| 255 | return -1; |
---|
[4580] | 256 | } |
---|
| 257 | } |
---|
| 258 | |
---|
| 259 | file = &(vss->file_store); |
---|
| 260 | |
---|
[4618] | 261 | _initerr(); |
---|
[4580] | 262 | |
---|
[4618] | 263 | if ( roar_vio_dstr_init_defaults(&def, ROAR_VIO_DEF_TYPE_NONE, dir, 0644) == -1 ) { |
---|
| 264 | _seterrre(); |
---|
| 265 | return -1; |
---|
| 266 | } |
---|
[4580] | 267 | |
---|
| 268 | if ( roar_vio_open_dstr(file, filename, &def, 1) == -1 ) { |
---|
[4618] | 269 | _seterrre(); |
---|
[4580] | 270 | return -1; |
---|
| 271 | } |
---|
| 272 | |
---|
| 273 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
[4584] | 274 | if ( roar_vio_ctl(file, ROAR_VIO_CTL_GET_MIMETYPE, &content_type) != -1 ) { |
---|
| 275 | codec = roar_mime2codec(content_type); |
---|
| 276 | } |
---|
[4580] | 277 | |
---|
[4584] | 278 | if ( codec == -1 ) { |
---|
| 279 | ret = roar_vio_read(file, buf, sizeof(buf)); |
---|
| 280 | |
---|
| 281 | codec = roar_file_codecdetect(buf, ret); |
---|
[4580] | 282 | |
---|
[4584] | 283 | if ( codec == -1 ) { |
---|
| 284 | roar_vio_close(file); |
---|
[4618] | 285 | _seterr(ROAR_ERROR_INVAL); // Other value? |
---|
[4584] | 286 | return -1; |
---|
| 287 | } |
---|
| 288 | |
---|
| 289 | if ( roar_vio_lseek(file, 0, SEEK_SET) != 0 ) { |
---|
| 290 | roar_vio_close(file); |
---|
[4618] | 291 | _seterrre(); |
---|
[4584] | 292 | return -1; |
---|
| 293 | } |
---|
[4580] | 294 | } |
---|
| 295 | |
---|
| 296 | memset(&(vss->info), 0, sizeof(vss->info)); |
---|
| 297 | |
---|
| 298 | vss->info.rate = ROAR_RATE_DEFAULT; |
---|
| 299 | vss->info.channels = ROAR_CHANNELS_DEFAULT; |
---|
| 300 | vss->info.codec = codec; |
---|
| 301 | vss->info.bits = ROAR_BITS_DEFAULT; |
---|
| 302 | |
---|
| 303 | ret = roar_vs_stream(vss, &(vss->info), ROAR_DIR_PLAY, error); |
---|
| 304 | |
---|
| 305 | if ( ret == -1 ) { |
---|
| 306 | roar_vio_close(file); |
---|
| 307 | return -1; |
---|
| 308 | } |
---|
| 309 | } |
---|
| 310 | |
---|
| 311 | if ( roar_vs_file(vss, file, ROAR_VS_TRUE, error) == -1 ) { |
---|
| 312 | roar_vio_close(file); |
---|
| 313 | return -1; |
---|
| 314 | } |
---|
| 315 | |
---|
| 316 | return 0; |
---|
| 317 | } |
---|
| 318 | |
---|
| 319 | roar_vs_t * roar_vs_new_from_file(const char * server, const char * name, char * filename, int * error) { |
---|
| 320 | roar_vs_t * vss = roar_vs_new(server, name, error); |
---|
| 321 | |
---|
| 322 | if ( vss == NULL ) |
---|
| 323 | return NULL; |
---|
| 324 | |
---|
| 325 | if ( roar_vs_file_simple(vss, filename, error) != 0 ) { |
---|
| 326 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
---|
| 327 | return NULL; |
---|
| 328 | } |
---|
| 329 | |
---|
| 330 | return vss; |
---|
| 331 | } |
---|
| 332 | |
---|
[4174] | 333 | int roar_vs_close(roar_vs_t * vss, int killit, int * error) { |
---|
[4178] | 334 | if ( killit != ROAR_VS_TRUE && killit != ROAR_VS_FALSE ) { |
---|
[4618] | 335 | _seterr(ROAR_ERROR_INVAL); |
---|
[4178] | 336 | return -1; |
---|
| 337 | } |
---|
| 338 | |
---|
[4260] | 339 | _ckvss(-1); |
---|
| 340 | |
---|
[4580] | 341 | if ( vss->readbuffer != NULL ) |
---|
| 342 | roar_buffer_free(vss->readbuffer); |
---|
| 343 | if ( vss->writebuffer != NULL ) |
---|
| 344 | roar_buffer_free(vss->writebuffer); |
---|
| 345 | |
---|
| 346 | if ( vss->file != NULL && vss->flags & FLAG_CLOSEFILE ) |
---|
| 347 | roar_vio_close(vss->file); |
---|
| 348 | |
---|
[4174] | 349 | if ( vss->flags & FLAG_STREAM ) { |
---|
[4178] | 350 | if ( killit == ROAR_VS_TRUE ) { |
---|
[4174] | 351 | roar_kick(vss->con, ROAR_OT_STREAM, roar_stream_get_id(&(vss->stream))); |
---|
| 352 | } |
---|
| 353 | |
---|
| 354 | roar_vio_close(&(vss->vio)); |
---|
| 355 | } |
---|
| 356 | |
---|
| 357 | if ( vss->con == &(vss->con_store) ) { |
---|
| 358 | roar_disconnect(vss->con); |
---|
| 359 | } |
---|
| 360 | |
---|
| 361 | roar_mm_free(vss); |
---|
| 362 | return 0; |
---|
| 363 | } |
---|
| 364 | |
---|
| 365 | ssize_t roar_vs_write(roar_vs_t * vss, const void * buf, size_t len, int * error) { |
---|
| 366 | ssize_t ret; |
---|
| 367 | |
---|
[4260] | 368 | _ckvss(-1); |
---|
| 369 | |
---|
[4174] | 370 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 371 | _seterr(ROAR_ERROR_INVAL); |
---|
| 372 | return -1; |
---|
| 373 | } |
---|
| 374 | |
---|
[4186] | 375 | _initerr(); |
---|
| 376 | |
---|
[4174] | 377 | ret = roar_vio_write(&(vss->vio), (void*)buf, len); |
---|
| 378 | |
---|
| 379 | if ( ret == -1 ) { |
---|
[4199] | 380 | #ifdef EAGAIN |
---|
| 381 | if ( errno == EAGAIN ) |
---|
| 382 | return 0; |
---|
| 383 | #endif |
---|
| 384 | |
---|
| 385 | #ifdef EWOULDBLOCK |
---|
| 386 | if ( errno == EWOULDBLOCK ) |
---|
| 387 | return 0; |
---|
| 388 | #endif |
---|
| 389 | |
---|
[4186] | 390 | _seterrre(); |
---|
[4206] | 391 | } else { |
---|
| 392 | vss->writec += ret; |
---|
[4174] | 393 | } |
---|
| 394 | |
---|
| 395 | return ret; |
---|
| 396 | } |
---|
| 397 | |
---|
| 398 | ssize_t roar_vs_read (roar_vs_t * vss, void * buf, size_t len, int * error) { |
---|
| 399 | ssize_t ret; |
---|
| 400 | |
---|
[4260] | 401 | _ckvss(-1); |
---|
| 402 | |
---|
[4174] | 403 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 404 | _seterr(ROAR_ERROR_INVAL); |
---|
| 405 | return -1; |
---|
| 406 | } |
---|
| 407 | |
---|
[4186] | 408 | _initerr(); |
---|
| 409 | |
---|
[4174] | 410 | ret = roar_vio_read(&(vss->vio), buf, len); |
---|
| 411 | |
---|
| 412 | if ( ret == -1 ) { |
---|
[4186] | 413 | _seterrre(); |
---|
[4206] | 414 | } else { |
---|
| 415 | vss->readc += ret; |
---|
[4174] | 416 | } |
---|
| 417 | |
---|
| 418 | return ret; |
---|
| 419 | } |
---|
| 420 | |
---|
[4175] | 421 | int roar_vs_sync (roar_vs_t * vss, int wait, int * error) { |
---|
[4579] | 422 | struct roar_event waits, triggered; |
---|
| 423 | |
---|
[4260] | 424 | _ckvss(-1); |
---|
| 425 | |
---|
[4175] | 426 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 427 | _seterr(ROAR_ERROR_INVAL); |
---|
| 428 | return -1; |
---|
| 429 | } |
---|
| 430 | |
---|
[4579] | 431 | if ( wait != ROAR_VS_NOWAIT && wait != ROAR_VS_WAIT ) { |
---|
[4175] | 432 | _seterr(ROAR_ERROR_INVAL); |
---|
| 433 | return -1; |
---|
| 434 | } |
---|
| 435 | |
---|
[4186] | 436 | _initerr(); |
---|
| 437 | |
---|
| 438 | if ( roar_vio_sync(&(vss->vio)) == -1 ) { |
---|
| 439 | _seterrre(); |
---|
| 440 | return -1; |
---|
| 441 | } |
---|
[4175] | 442 | |
---|
[4579] | 443 | if ( wait == ROAR_VS_WAIT ) { |
---|
| 444 | memset(&waits, 0, sizeof(waits)); |
---|
| 445 | waits.event = ROAR_OE_STREAM_XRUN; |
---|
| 446 | waits.emitter = -1; |
---|
| 447 | waits.target = roar_stream_get_id(&(vss->stream)); |
---|
| 448 | waits.target_type = ROAR_OT_STREAM; |
---|
| 449 | |
---|
| 450 | if ( roar_wait(vss->con, &triggered, &waits, 1) == -1 ) { |
---|
| 451 | _seterrre(); |
---|
| 452 | return -1; |
---|
| 453 | } |
---|
| 454 | } |
---|
| 455 | |
---|
[4175] | 456 | return 0; |
---|
| 457 | } |
---|
| 458 | |
---|
| 459 | int roar_vs_blocking (roar_vs_t * vss, int val, int * error) { |
---|
| 460 | int old = -1; |
---|
| 461 | |
---|
[4260] | 462 | _ckvss(-1); |
---|
| 463 | |
---|
[4175] | 464 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 465 | _seterr(ROAR_ERROR_INVAL); |
---|
| 466 | return -1; |
---|
| 467 | } |
---|
| 468 | |
---|
| 469 | old = vss->flags & FLAG_NONBLOCK ? ROAR_VS_FALSE : ROAR_VS_TRUE; |
---|
| 470 | |
---|
[4186] | 471 | _initerr(); |
---|
| 472 | |
---|
[4175] | 473 | switch (val) { |
---|
| 474 | case ROAR_VS_TRUE: |
---|
| 475 | if ( roar_vio_nonblock(&(vss->vio), ROAR_SOCKET_BLOCK) == -1 ) { |
---|
[4186] | 476 | _seterrre(); |
---|
[4175] | 477 | return -1; |
---|
| 478 | } |
---|
| 479 | vss->flags |= FLAG_NONBLOCK; |
---|
| 480 | vss->flags -= FLAG_NONBLOCK; |
---|
| 481 | return old; |
---|
| 482 | break; |
---|
| 483 | case ROAR_VS_FALSE: |
---|
| 484 | if ( roar_vio_nonblock(&(vss->vio), ROAR_SOCKET_NONBLOCK) == -1 ) { |
---|
[4186] | 485 | _seterrre(); |
---|
[4175] | 486 | return -1; |
---|
| 487 | } |
---|
| 488 | vss->flags |= FLAG_NONBLOCK; |
---|
| 489 | return old; |
---|
| 490 | break; |
---|
| 491 | case ROAR_VS_TOGGLE: |
---|
| 492 | if ( old == ROAR_VS_TRUE ) { |
---|
| 493 | return roar_vs_blocking(vss, ROAR_VS_FALSE, error); |
---|
| 494 | } else { |
---|
| 495 | return roar_vs_blocking(vss, ROAR_VS_TRUE, error); |
---|
| 496 | } |
---|
| 497 | break; |
---|
| 498 | case ROAR_VS_ASK: |
---|
| 499 | return old; |
---|
| 500 | break; |
---|
| 501 | } |
---|
| 502 | |
---|
| 503 | _seterr(ROAR_ERROR_INVAL); |
---|
| 504 | return -1; |
---|
| 505 | } |
---|
| 506 | |
---|
[4206] | 507 | static int _roar_vs_find_first_prim(roar_vs_t * vss) { |
---|
| 508 | struct roar_stream stream; |
---|
| 509 | struct roar_stream_info info; |
---|
| 510 | int id[ROAR_STREAMS_MAX]; |
---|
| 511 | int num; |
---|
| 512 | int i; |
---|
| 513 | |
---|
| 514 | if ( vss->first_primid != -1 ) |
---|
| 515 | return vss->first_primid; |
---|
| 516 | |
---|
| 517 | if ( vss->mixerid == -1 ) |
---|
| 518 | return -1; |
---|
| 519 | |
---|
| 520 | if ( (num = roar_list_streams(vss->con, id, ROAR_STREAMS_MAX)) == -1 ) { |
---|
| 521 | return -1; |
---|
| 522 | } |
---|
| 523 | |
---|
| 524 | for (i = 0; i < num; i++) { |
---|
| 525 | if ( roar_get_stream(vss->con, &stream, id[i]) == -1 ) |
---|
| 526 | continue; |
---|
| 527 | |
---|
| 528 | if ( stream.dir != ROAR_DIR_OUTPUT ) |
---|
| 529 | continue; |
---|
| 530 | |
---|
| 531 | if ( roar_stream_get_info(vss->con, &stream, &info) == -1 ) |
---|
| 532 | continue; |
---|
| 533 | |
---|
| 534 | if ( info.mixer == vss->mixerid ) { |
---|
| 535 | vss->first_primid = id[i]; |
---|
| 536 | return id[i]; |
---|
| 537 | } |
---|
| 538 | } |
---|
| 539 | |
---|
| 540 | return -1; |
---|
| 541 | } |
---|
| 542 | |
---|
| 543 | ssize_t roar_vs_position(roar_vs_t * vss, int backend, int * error) { |
---|
| 544 | struct roar_stream stream; |
---|
| 545 | struct roar_stream out_stream; |
---|
| 546 | struct roar_stream_info out_info; |
---|
| 547 | size_t offset; |
---|
| 548 | |
---|
[4260] | 549 | _ckvss(-1); |
---|
| 550 | |
---|
[4206] | 551 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 552 | _seterr(ROAR_ERROR_INVAL); |
---|
| 553 | return -1; |
---|
| 554 | } |
---|
| 555 | |
---|
| 556 | _initerr(); |
---|
| 557 | |
---|
| 558 | if ( roar_get_stream(vss->con, &stream, roar_stream_get_id(&(vss->stream))) == -1 ) { |
---|
| 559 | _seterrre(); |
---|
| 560 | return -1; |
---|
| 561 | } |
---|
| 562 | |
---|
| 563 | switch (backend) { |
---|
| 564 | case ROAR_VS_BACKEND_NONE: |
---|
| 565 | return stream.pos; |
---|
| 566 | break; |
---|
| 567 | case ROAR_VS_BACKEND_FIRST: |
---|
| 568 | // _roar_vs_find_first_prim(vss); |
---|
| 569 | if ( vss->first_primid == -1 ) { |
---|
| 570 | _seterr(ROAR_ERROR_UNKNOWN); |
---|
| 571 | return -1; |
---|
| 572 | } |
---|
| 573 | |
---|
| 574 | roar_stream_new_by_id(&out_stream, vss->first_primid); |
---|
| 575 | |
---|
| 576 | if ( roar_stream_get_info(vss->con, &out_stream, &out_info) == -1 ) { |
---|
| 577 | _seterrre(); |
---|
| 578 | return -1; |
---|
| 579 | } |
---|
| 580 | |
---|
| 581 | offset = out_info.delay * vss->info.rate; |
---|
| 582 | offset /= 1000000; |
---|
| 583 | |
---|
| 584 | return stream.pos + offset; |
---|
| 585 | break; |
---|
| 586 | default: |
---|
| 587 | _seterr(ROAR_ERROR_NOTSUP); |
---|
| 588 | return -1; |
---|
| 589 | break; |
---|
| 590 | } |
---|
| 591 | |
---|
[4186] | 592 | _seterr(ROAR_ERROR_NOSYS); |
---|
[4175] | 593 | return -1; |
---|
| 594 | } |
---|
| 595 | |
---|
[4206] | 596 | roar_mus_t roar_vs_latency(roar_vs_t * vss, int backend, int * error) { |
---|
| 597 | ssize_t pos = roar_vs_position(vss, backend, error); |
---|
| 598 | ssize_t bps; // byte per sample |
---|
| 599 | size_t lioc; // local IO (byte) counter |
---|
| 600 | size_t lpos; // local possition |
---|
| 601 | roar_mus_t lag; |
---|
| 602 | |
---|
[4215] | 603 | _initerr(); |
---|
| 604 | |
---|
[4260] | 605 | _ckvss(-1); |
---|
| 606 | |
---|
[4215] | 607 | if (pos == -1) { |
---|
| 608 | _seterrre(); |
---|
| 609 | return 0; |
---|
| 610 | } |
---|
[4206] | 611 | |
---|
| 612 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 613 | _seterr(ROAR_ERROR_INVAL); |
---|
[4213] | 614 | return 0; |
---|
[4206] | 615 | } |
---|
| 616 | |
---|
| 617 | if ( vss->writec == 0 ) { |
---|
| 618 | lioc = vss->readc; |
---|
| 619 | } else { |
---|
| 620 | lioc = vss->writec; |
---|
| 621 | } |
---|
| 622 | |
---|
| 623 | bps = roar_info2samplesize(&(vss->info)); |
---|
| 624 | |
---|
| 625 | if ( bps == -1 ) { |
---|
| 626 | _seterrre(); |
---|
[4213] | 627 | return 0; |
---|
[4206] | 628 | } |
---|
| 629 | |
---|
| 630 | lpos = lioc / bps; |
---|
| 631 | |
---|
| 632 | lag = (roar_mus_t)lpos - (roar_mus_t)pos; |
---|
| 633 | |
---|
| 634 | // we now have the lag in frames |
---|
| 635 | // return value are ms |
---|
| 636 | // so we need to multiply with 1s/ms and |
---|
| 637 | // multiply by 1/rate |
---|
| 638 | |
---|
| 639 | lag *= 1000000; // 1s/ms |
---|
| 640 | lag /= vss->info.rate; |
---|
| 641 | |
---|
[4213] | 642 | if ( lag == 0 ) { |
---|
| 643 | _seterr(ROAR_ERROR_NONE); |
---|
| 644 | } |
---|
| 645 | |
---|
[4206] | 646 | return lag; |
---|
| 647 | } |
---|
| 648 | |
---|
[4175] | 649 | static int roar_vs_flag(roar_vs_t * vss, int flag, int val, int * error) { |
---|
| 650 | struct roar_stream_info info; |
---|
| 651 | int old = -1; |
---|
| 652 | |
---|
[4260] | 653 | _ckvss(-1); |
---|
| 654 | |
---|
[4175] | 655 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 656 | _seterr(ROAR_ERROR_INVAL); |
---|
| 657 | return -1; |
---|
| 658 | } |
---|
| 659 | |
---|
| 660 | if ( val != ROAR_VS_ASK ) |
---|
| 661 | old = roar_vs_flag(vss, flag, ROAR_VS_ASK, error); |
---|
| 662 | |
---|
[4186] | 663 | _initerr(); |
---|
| 664 | |
---|
[4175] | 665 | switch (val) { |
---|
| 666 | case ROAR_VS_TRUE: |
---|
| 667 | case ROAR_VS_FALSE: |
---|
| 668 | if ( roar_stream_set_flags(vss->con, &(vss->stream), flag, |
---|
| 669 | val == ROAR_VS_TRUE ? ROAR_SET_FLAG : ROAR_RESET_FLAG) == -1 ) { |
---|
[4186] | 670 | _seterrre(); |
---|
[4175] | 671 | return -1; |
---|
| 672 | } |
---|
| 673 | return old; |
---|
| 674 | break; |
---|
| 675 | case ROAR_VS_TOGGLE: |
---|
| 676 | return roar_vs_flag(vss, flag, old == ROAR_VS_TRUE ? ROAR_VS_FALSE : ROAR_VS_TRUE, error); |
---|
| 677 | break; |
---|
| 678 | case ROAR_VS_ASK: |
---|
| 679 | if ( roar_stream_get_info(vss->con, &(vss->stream), &info) == -1 ) { |
---|
[4186] | 680 | _seterrre(); |
---|
[4175] | 681 | return -1; |
---|
| 682 | } |
---|
| 683 | return info.flags & flag ? ROAR_VS_TRUE : ROAR_VS_FALSE; |
---|
| 684 | break; |
---|
| 685 | } |
---|
| 686 | |
---|
[4187] | 687 | _seterr(ROAR_ERROR_INVAL); |
---|
[4175] | 688 | return -1; |
---|
| 689 | } |
---|
| 690 | |
---|
| 691 | int roar_vs_pause(roar_vs_t * vss, int val, int * error) { |
---|
| 692 | return roar_vs_flag(vss, ROAR_FLAG_PAUSE, val, error); |
---|
| 693 | } |
---|
| 694 | |
---|
| 695 | int roar_vs_mute (roar_vs_t * vss, int val, int * error) { |
---|
| 696 | return roar_vs_flag(vss, ROAR_FLAG_MUTE, val, error); |
---|
| 697 | } |
---|
| 698 | |
---|
| 699 | static int roar_vs_volume (roar_vs_t * vss, float * c, size_t channels, int * error) { |
---|
| 700 | struct roar_mixer_settings mixer; |
---|
| 701 | size_t i; |
---|
[4179] | 702 | register float s; |
---|
[4182] | 703 | int oldchannels; |
---|
| 704 | int handled; |
---|
[4175] | 705 | |
---|
[4260] | 706 | _ckvss(-1); |
---|
| 707 | |
---|
[4175] | 708 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 709 | _seterr(ROAR_ERROR_INVAL); |
---|
| 710 | return -1; |
---|
| 711 | } |
---|
| 712 | |
---|
| 713 | if ( channels > ROAR_MAX_CHANNELS ) { |
---|
| 714 | _seterr(ROAR_ERROR_INVAL); |
---|
| 715 | return -1; |
---|
| 716 | } |
---|
| 717 | |
---|
[4186] | 718 | _initerr(); |
---|
| 719 | |
---|
[4182] | 720 | if ( roar_get_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, &oldchannels) == -1 ) { |
---|
[4186] | 721 | _seterrre(); |
---|
[4182] | 722 | return -1; |
---|
| 723 | } |
---|
| 724 | |
---|
[4179] | 725 | for (i = 0; i < channels; i++) { |
---|
| 726 | s = c[i] * 65535.0; |
---|
| 727 | if ( s > 66190.0 || s < -655.0 ) { |
---|
| 728 | _seterr(ROAR_ERROR_RANGE); |
---|
| 729 | return -1; |
---|
| 730 | } else if ( s > 65535.0 ) { |
---|
| 731 | s = 65535.0; |
---|
| 732 | } else if ( s < 0.0 ) { |
---|
| 733 | s = 0.0; |
---|
| 734 | } |
---|
| 735 | mixer.mixer[i] = s; |
---|
| 736 | } |
---|
[4175] | 737 | |
---|
| 738 | mixer.scale = 65535; |
---|
[4182] | 739 | |
---|
| 740 | if ( channels != oldchannels ) { |
---|
| 741 | handled = 0; |
---|
| 742 | switch (oldchannels) { |
---|
| 743 | case 1: |
---|
| 744 | if ( channels == 2 ) { |
---|
| 745 | mixer.mixer[0] = (mixer.mixer[0] + mixer.mixer[1]) / 2; |
---|
| 746 | handled = 1; |
---|
| 747 | } |
---|
| 748 | break; |
---|
| 749 | case 2: |
---|
| 750 | if ( channels == 1 ) { |
---|
| 751 | mixer.mixer[1] = mixer.mixer[0]; |
---|
| 752 | handled = 1; |
---|
| 753 | } |
---|
| 754 | break; |
---|
| 755 | case 4: |
---|
| 756 | if ( channels == 1 ) { |
---|
| 757 | mixer.mixer[1] = mixer.mixer[0]; |
---|
| 758 | mixer.mixer[2] = mixer.mixer[0]; |
---|
| 759 | mixer.mixer[3] = mixer.mixer[0]; |
---|
| 760 | handled = 1; |
---|
| 761 | } else if ( channels == 2 ) { |
---|
| 762 | mixer.mixer[2] = mixer.mixer[0]; |
---|
| 763 | mixer.mixer[3] = mixer.mixer[1]; |
---|
| 764 | handled = 1; |
---|
| 765 | } |
---|
| 766 | break; |
---|
| 767 | } |
---|
| 768 | if ( handled ) { |
---|
| 769 | channels = oldchannels; |
---|
| 770 | } else { |
---|
| 771 | _seterr(ROAR_ERROR_INVAL); |
---|
| 772 | return -1; |
---|
| 773 | } |
---|
| 774 | } |
---|
[4175] | 775 | |
---|
| 776 | if ( roar_set_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, channels) == -1 ) { |
---|
[4186] | 777 | _seterrre(); |
---|
[4175] | 778 | return -1; |
---|
| 779 | } |
---|
| 780 | |
---|
| 781 | return 0; |
---|
| 782 | } |
---|
| 783 | |
---|
| 784 | int roar_vs_volume_mono (roar_vs_t * vss, float c, int * error) { |
---|
| 785 | return roar_vs_volume(vss, &c, 1, error); |
---|
| 786 | } |
---|
| 787 | |
---|
| 788 | int roar_vs_volume_stereo (roar_vs_t * vss, float l, float r, int * error) { |
---|
| 789 | float c[2] = {l, r}; |
---|
| 790 | return roar_vs_volume(vss, c, 2, error); |
---|
| 791 | } |
---|
| 792 | |
---|
| 793 | int roar_vs_volume_get (roar_vs_t * vss, float * l, float * r, int * error) { |
---|
| 794 | struct roar_mixer_settings mixer; |
---|
| 795 | int channels; |
---|
| 796 | |
---|
| 797 | if ( vss == NULL || l == NULL || r == NULL ) { |
---|
| 798 | _seterr(ROAR_ERROR_INVAL); |
---|
| 799 | return -1; |
---|
| 800 | } |
---|
| 801 | |
---|
| 802 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 803 | _seterr(ROAR_ERROR_INVAL); |
---|
| 804 | return -1; |
---|
| 805 | } |
---|
| 806 | |
---|
[4186] | 807 | _initerr(); |
---|
| 808 | |
---|
[4175] | 809 | if ( roar_get_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, &channels) == -1 ) { |
---|
[4186] | 810 | _seterrre(); |
---|
[4175] | 811 | return -1; |
---|
| 812 | } |
---|
| 813 | |
---|
| 814 | if ( channels == 1 ) |
---|
| 815 | mixer.mixer[1] = mixer.mixer[0]; |
---|
| 816 | |
---|
| 817 | *l = mixer.mixer[0] / (float)mixer.scale; |
---|
| 818 | *r = mixer.mixer[1] / (float)mixer.scale; |
---|
| 819 | |
---|
| 820 | return 0; |
---|
| 821 | } |
---|
| 822 | |
---|
[4176] | 823 | int roar_vs_meta (roar_vs_t * vss, struct roar_keyval * kv, size_t len, int * error) { |
---|
| 824 | struct roar_meta meta; |
---|
| 825 | size_t i; |
---|
| 826 | int type; |
---|
[4180] | 827 | int ret = 0; |
---|
[4176] | 828 | |
---|
[4260] | 829 | _ckvss(-1); |
---|
| 830 | |
---|
[4176] | 831 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 832 | _seterr(ROAR_ERROR_INVAL); |
---|
| 833 | return -1; |
---|
| 834 | } |
---|
| 835 | |
---|
| 836 | meta.type = ROAR_META_TYPE_NONE; |
---|
| 837 | meta.key[0] = 0; |
---|
| 838 | meta.value = NULL; |
---|
| 839 | |
---|
[4186] | 840 | _initerr(); |
---|
[4176] | 841 | |
---|
[4180] | 842 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_CLEAR, &meta) == -1 ) { |
---|
[4186] | 843 | _seterrre(); |
---|
[4180] | 844 | ret = -1; |
---|
| 845 | } |
---|
[4176] | 846 | |
---|
| 847 | for (i = 0; i < len; i++) { |
---|
| 848 | type = roar_meta_inttype(kv[i].key); |
---|
| 849 | meta.type = type; |
---|
| 850 | meta.value = kv[i].value; |
---|
| 851 | |
---|
[4180] | 852 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_ADD, &meta) == -1 ) { |
---|
[4186] | 853 | _seterrre(); |
---|
[4180] | 854 | ret = -1; |
---|
| 855 | } |
---|
[4176] | 856 | } |
---|
| 857 | |
---|
| 858 | meta.type = ROAR_META_TYPE_NONE; |
---|
| 859 | meta.key[0] = 0; |
---|
| 860 | meta.value = NULL; |
---|
[4180] | 861 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_FINALIZE, &meta) == -1 ) { |
---|
[4186] | 862 | _seterrre(); |
---|
[4180] | 863 | ret = -1; |
---|
| 864 | } |
---|
[4176] | 865 | |
---|
[4180] | 866 | return ret; |
---|
[4176] | 867 | } |
---|
[4174] | 868 | |
---|
[4212] | 869 | int roar_vs_role (roar_vs_t * vss, int role, int * error) { |
---|
[4260] | 870 | _ckvss(-1); |
---|
| 871 | |
---|
[4212] | 872 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 873 | _seterr(ROAR_ERROR_INVAL); |
---|
| 874 | return -1; |
---|
| 875 | } |
---|
| 876 | |
---|
| 877 | _initerr(); |
---|
| 878 | |
---|
| 879 | if ( roar_stream_set_role(vss->con, &(vss->stream), role) == -1 ) { |
---|
| 880 | _seterrre(); |
---|
| 881 | return -1; |
---|
| 882 | } |
---|
| 883 | |
---|
| 884 | return 0; |
---|
| 885 | } |
---|
| 886 | |
---|
[4580] | 887 | |
---|
| 888 | int roar_vs_iterate (roar_vs_t * vss, int wait, int * error) { |
---|
| 889 | struct roar_vio_select vios[3]; |
---|
| 890 | struct roar_vio_selecttv rtv = {.sec = 0, .nsec = 1}; |
---|
| 891 | size_t len = 0; |
---|
| 892 | ssize_t i; |
---|
| 893 | ssize_t ret; |
---|
| 894 | int can_read = 0, can_write = 0; |
---|
| 895 | int can_flush_stream = 0, can_flush_file = 0; |
---|
| 896 | int is_eof = 0; |
---|
| 897 | void * data; |
---|
| 898 | |
---|
| 899 | _ckvss(-1); |
---|
| 900 | |
---|
| 901 | if ( wait != ROAR_VS_WAIT && wait != ROAR_VS_NOWAIT ) { |
---|
| 902 | _seterr(ROAR_ERROR_INVAL); |
---|
| 903 | return -1; |
---|
| 904 | } |
---|
| 905 | |
---|
| 906 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), &(vss->vio), ((vss->flags & FLAG_DIR_IN ? ROAR_VIO_SELECT_READ : 0) | |
---|
| 907 | (vss->flags & FLAG_DIR_OUT ? ROAR_VIO_SELECT_WRITE : 0))); |
---|
| 908 | vios[len].ud.vp = &(vss->vio); |
---|
| 909 | len++; |
---|
| 910 | |
---|
| 911 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), roar_get_connection_vio2(vss->con), ROAR_VIO_SELECT_READ); |
---|
| 912 | vios[len].ud.vp = vss->con; |
---|
| 913 | len++; |
---|
| 914 | |
---|
| 915 | |
---|
| 916 | // TODO: FIXME: need to do two select()s so we can sleep more efficently and test for both directions. |
---|
| 917 | // for the moment we disable file direction and hope it will not block anyway... |
---|
| 918 | /* |
---|
| 919 | if ( vss->file != NULL ) { |
---|
| 920 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), vss->file, ((vss->flags & FLAG_DIR_IN ? ROAR_VIO_SELECT_WRITE : 0) | |
---|
| 921 | (vss->flags & FLAG_DIR_OUT ? ROAR_VIO_SELECT_READ : 0))); |
---|
| 922 | vios[len].ud.vp = vss->file; |
---|
| 923 | len++; |
---|
| 924 | } |
---|
| 925 | */ |
---|
| 926 | |
---|
| 927 | ret = roar_vio_select(vios, len, (wait == ROAR_VS_NOWAIT ? &rtv : NULL), NULL); |
---|
| 928 | |
---|
| 929 | // part 2 of above hack: |
---|
| 930 | // emulate read handle. |
---|
| 931 | vios[len].ud.vp = vss->file; |
---|
| 932 | vios[len].eventsa = ROAR_VIO_SELECT_WRITE|ROAR_VIO_SELECT_READ;; |
---|
| 933 | len++; |
---|
| 934 | |
---|
| 935 | // no error here nor EOF. |
---|
| 936 | if ( ret == 0 ) |
---|
| 937 | return 1; |
---|
| 938 | |
---|
| 939 | for (i = 0; i < len; i++) { |
---|
| 940 | if ( !vios[i].eventsa ) |
---|
| 941 | continue; |
---|
| 942 | |
---|
| 943 | if ( vios[i].ud.vp == &(vss->vio) ) { |
---|
| 944 | if ( vios[i].eventsa & ROAR_VIO_SELECT_READ ) |
---|
| 945 | can_read++; |
---|
| 946 | |
---|
| 947 | if ( vios[i].eventsa & ROAR_VIO_SELECT_WRITE ) { |
---|
| 948 | can_write++; |
---|
| 949 | can_flush_stream = 1; |
---|
| 950 | } |
---|
| 951 | } else if ( vios[i].ud.vp == vss->con ) { |
---|
| 952 | roar_sync(vss->con); |
---|
| 953 | } else if ( vios[i].ud.vp == vss->file ) { |
---|
| 954 | if ( vios[i].eventsa & ROAR_VIO_SELECT_READ ) |
---|
| 955 | can_write++; |
---|
| 956 | |
---|
| 957 | if ( vios[i].eventsa & ROAR_VIO_SELECT_WRITE ) { |
---|
| 958 | can_read++; |
---|
| 959 | can_flush_file = 1; |
---|
| 960 | } |
---|
| 961 | } |
---|
| 962 | } |
---|
| 963 | |
---|
| 964 | // TODO: FIXME: Need to correct error handling here! |
---|
| 965 | |
---|
| 966 | if ( can_flush_stream && vss->writebuffer != NULL ) { |
---|
| 967 | if ( roar_buffer_get_data(vss->writebuffer, &data) == -1 ) |
---|
| 968 | return -1; |
---|
| 969 | |
---|
| 970 | if ( roar_buffer_get_len(vss->writebuffer, &len) == -1 ) |
---|
| 971 | return -1; |
---|
| 972 | |
---|
| 973 | ret = roar_vs_write(vss, data, len, error); |
---|
| 974 | |
---|
| 975 | if ( ret == -1 ) { |
---|
| 976 | return -1; |
---|
| 977 | } else if ( ret == len ) { |
---|
| 978 | roar_buffer_free(vss->writebuffer); |
---|
| 979 | vss->writebuffer = NULL; |
---|
| 980 | } else { |
---|
| 981 | if ( roar_buffer_set_offset(vss->writebuffer, ret) == -1 ) |
---|
| 982 | return -1; |
---|
| 983 | } |
---|
| 984 | } |
---|
| 985 | |
---|
| 986 | if ( can_flush_file && vss->readbuffer != NULL ) { |
---|
| 987 | if ( roar_buffer_get_data(vss->readbuffer, &data) == -1 ) |
---|
| 988 | return -1; |
---|
| 989 | |
---|
| 990 | if ( roar_buffer_get_len(vss->readbuffer, &len) == -1 ) |
---|
| 991 | return -1; |
---|
| 992 | |
---|
| 993 | ret = roar_vio_write(vss->file, data, len); |
---|
| 994 | |
---|
| 995 | if ( ret == -1 ) { |
---|
| 996 | return -1; |
---|
| 997 | } else if ( ret == len ) { |
---|
| 998 | roar_buffer_free(vss->readbuffer); |
---|
| 999 | vss->readbuffer = NULL; |
---|
| 1000 | } else { |
---|
| 1001 | if ( roar_buffer_set_offset(vss->readbuffer, ret) == -1 ) |
---|
| 1002 | return -1; |
---|
| 1003 | } |
---|
| 1004 | } |
---|
| 1005 | |
---|
| 1006 | #define _READ_SIZE 1024 |
---|
| 1007 | |
---|
| 1008 | if ( can_read == 2 && vss->readbuffer == NULL ) { |
---|
| 1009 | if ( roar_buffer_new_data(&(vss->readbuffer), (len = _READ_SIZE), &data) == -1 ) |
---|
| 1010 | return -1; |
---|
| 1011 | |
---|
| 1012 | ret = roar_vs_read(vss, data, len, error); |
---|
| 1013 | |
---|
| 1014 | if ( ret == -1 ) { |
---|
| 1015 | roar_buffer_free(vss->readbuffer); |
---|
| 1016 | vss->readbuffer = NULL; |
---|
| 1017 | return -1; |
---|
| 1018 | } else if ( ret == 0 ) { |
---|
| 1019 | is_eof = 1; |
---|
| 1020 | roar_buffer_free(vss->readbuffer); |
---|
| 1021 | vss->readbuffer = NULL; |
---|
| 1022 | } else { |
---|
| 1023 | len = ret; |
---|
| 1024 | if ( roar_buffer_set_len(vss->readbuffer, len) == -1 ) |
---|
| 1025 | return -1; |
---|
| 1026 | |
---|
| 1027 | ret = roar_vio_write(vss->file, data, len); |
---|
| 1028 | |
---|
| 1029 | if ( ret == -1 ) { |
---|
| 1030 | return -1; |
---|
| 1031 | } else if ( ret == len ) { |
---|
| 1032 | roar_buffer_free(vss->readbuffer); |
---|
| 1033 | vss->readbuffer = NULL; |
---|
| 1034 | } else { |
---|
| 1035 | if ( roar_buffer_set_offset(vss->readbuffer, ret) == -1 ) |
---|
| 1036 | return -1; |
---|
| 1037 | } |
---|
| 1038 | } |
---|
| 1039 | } |
---|
| 1040 | |
---|
| 1041 | if ( can_write == 2 && vss->writebuffer == NULL ) { |
---|
| 1042 | if ( roar_buffer_new_data(&(vss->writebuffer), (len = _READ_SIZE), &data) == -1 ) |
---|
| 1043 | return -1; |
---|
| 1044 | |
---|
| 1045 | ret = roar_vio_read(vss->file, data, len); |
---|
| 1046 | |
---|
[4581] | 1047 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p): ret=%lli", vss, wait, error, (long long int)ret); |
---|
| 1048 | |
---|
[4580] | 1049 | if ( ret == -1 ) { |
---|
[4581] | 1050 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1051 | |
---|
[4580] | 1052 | roar_buffer_free(vss->writebuffer); |
---|
[4581] | 1053 | vss->writebuffer = NULL; |
---|
[4580] | 1054 | return -1; |
---|
| 1055 | } else if ( ret == 0 ) { |
---|
[4581] | 1056 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1057 | |
---|
[4580] | 1058 | is_eof = 1; |
---|
| 1059 | roar_buffer_free(vss->writebuffer); |
---|
[4581] | 1060 | vss->writebuffer = NULL; |
---|
[4580] | 1061 | } else { |
---|
[4581] | 1062 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1063 | |
---|
[4580] | 1064 | if ( len != ret ) { |
---|
| 1065 | len = ret; |
---|
[4581] | 1066 | if ( roar_buffer_set_len(vss->writebuffer, len) == -1 ) |
---|
[4580] | 1067 | return -1; |
---|
| 1068 | } |
---|
| 1069 | |
---|
[4581] | 1070 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1071 | |
---|
[4580] | 1072 | ret = roar_vs_write(vss, data, len, error); |
---|
| 1073 | |
---|
| 1074 | if ( ret == -1 ) { |
---|
| 1075 | return -1; |
---|
| 1076 | } else if ( ret == len ) { |
---|
| 1077 | roar_buffer_free(vss->writebuffer); |
---|
| 1078 | vss->writebuffer = NULL; |
---|
| 1079 | } else { |
---|
| 1080 | if ( roar_buffer_set_offset(vss->writebuffer, ret) == -1 ) |
---|
| 1081 | return -1; |
---|
| 1082 | } |
---|
| 1083 | } |
---|
| 1084 | } |
---|
| 1085 | |
---|
| 1086 | return is_eof ? 0 : 1; |
---|
| 1087 | } |
---|
| 1088 | |
---|
| 1089 | int roar_vs_run (roar_vs_t * vss, int * error) { |
---|
| 1090 | int ret; |
---|
| 1091 | |
---|
| 1092 | _ckvss(-1); |
---|
| 1093 | |
---|
| 1094 | while ((ret = roar_vs_iterate(vss, ROAR_VS_WAIT, error)) > 0); |
---|
| 1095 | |
---|
[4581] | 1096 | ROAR_DBG("roar_vs_run(vss=%p, error=%p): ret=%i", vss, error, ret); |
---|
| 1097 | |
---|
[4580] | 1098 | if ( ret == 0 ) { |
---|
| 1099 | // flush buffers: |
---|
| 1100 | roar_vs_iterate(vss, ROAR_VS_WAIT, error); |
---|
| 1101 | } |
---|
| 1102 | |
---|
[4581] | 1103 | if ( roar_vs_sync(vss, ROAR_VS_WAIT, error) == -1 ) |
---|
| 1104 | return -1; |
---|
| 1105 | |
---|
[4580] | 1106 | return ret; |
---|
| 1107 | } |
---|
| 1108 | |
---|
| 1109 | |
---|
[4183] | 1110 | struct roar_connection * roar_vs_connection_obj(roar_vs_t * vss, int * error) { |
---|
[4260] | 1111 | _ckvss(NULL); |
---|
| 1112 | |
---|
[4183] | 1113 | return vss->con; |
---|
| 1114 | } |
---|
| 1115 | |
---|
| 1116 | struct roar_stream * roar_vs_stream_obj (roar_vs_t * vss, int * error) { |
---|
[4260] | 1117 | _ckvss(NULL); |
---|
| 1118 | |
---|
[4183] | 1119 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1120 | _seterr(ROAR_ERROR_INVAL); |
---|
[4186] | 1121 | return NULL; |
---|
[4183] | 1122 | } |
---|
| 1123 | |
---|
| 1124 | return &(vss->stream); |
---|
| 1125 | } |
---|
| 1126 | |
---|
| 1127 | struct roar_vio_calls * roar_vs_vio_obj (roar_vs_t * vss, int * error) { |
---|
[4260] | 1128 | _ckvss(NULL); |
---|
| 1129 | |
---|
[4183] | 1130 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1131 | _seterr(ROAR_ERROR_INVAL); |
---|
[4186] | 1132 | return NULL; |
---|
[4183] | 1133 | } |
---|
| 1134 | |
---|
| 1135 | return &(vss->vio); |
---|
| 1136 | } |
---|
| 1137 | |
---|
[4173] | 1138 | //ll |
---|