[0] | 1 | //streams.c: |
---|
| 2 | |
---|
[668] | 3 | /* |
---|
| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
---|
| 5 | * |
---|
| 6 | * This file is part of roard a part of RoarAudio, |
---|
| 7 | * a cross-platform sound system for both, home and professional use. |
---|
| 8 | * See README for details. |
---|
| 9 | * |
---|
| 10 | * This file is free software; you can redistribute it and/or modify |
---|
| 11 | * it under the terms of the GNU General Public License version 3 |
---|
| 12 | * as published by the Free Software Foundation. |
---|
| 13 | * |
---|
| 14 | * RoarAudio is distributed in the hope that it will be useful, |
---|
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
| 17 | * GNU General Public License for more details. |
---|
| 18 | * |
---|
| 19 | * You should have received a copy of the GNU General Public License |
---|
| 20 | * along with this software; see the file COPYING. If not, write to |
---|
| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
---|
| 22 | * |
---|
| 23 | */ |
---|
| 24 | |
---|
[0] | 25 | #include "roard.h" |
---|
| 26 | |
---|
| 27 | int streams_init (void) { |
---|
| 28 | int i; |
---|
| 29 | |
---|
| 30 | for (i = 0; i < ROAR_STREAMS_MAX; i++) |
---|
| 31 | g_streams[i] = NULL; |
---|
| 32 | |
---|
| 33 | return 0; |
---|
| 34 | } |
---|
| 35 | |
---|
| 36 | int streams_free (void) { |
---|
| 37 | int i; |
---|
| 38 | |
---|
| 39 | for (i = 0; i < ROAR_STREAMS_MAX; i++) { |
---|
| 40 | if ( g_streams[i] != NULL ) { |
---|
| 41 | streams_delete(i); |
---|
| 42 | } |
---|
| 43 | } |
---|
| 44 | |
---|
| 45 | return 0; |
---|
| 46 | } |
---|
| 47 | |
---|
| 48 | |
---|
| 49 | int streams_new (void) { |
---|
[16] | 50 | int i, j; |
---|
[494] | 51 | struct roar_stream * n = NULL; |
---|
| 52 | struct roar_stream_server * s = NULL; |
---|
[0] | 53 | |
---|
[1148] | 54 | if ( g_terminate ) // don't accept new streams in case of termination state |
---|
| 55 | return -1; |
---|
| 56 | |
---|
[0] | 57 | for (i = 0; i < ROAR_STREAMS_MAX; i++) { |
---|
| 58 | if ( g_streams[i] == NULL ) { |
---|
[494] | 59 | s = ROAR_STREAM_SERVER(n = ROAR_STREAM(malloc(sizeof(struct roar_stream_server)))); |
---|
[0] | 60 | if ( n == NULL ) { |
---|
| 61 | ROAR_ERR("streams_new(void): can not allocate memory for new stream: %s", strerror(errno)); |
---|
| 62 | ROAR_DBG("streams_new(void) = -1"); |
---|
| 63 | return -1; |
---|
| 64 | } |
---|
| 65 | |
---|
| 66 | n->id = i; |
---|
| 67 | n->fh = -1; |
---|
| 68 | // n->pos_rel_id = i; |
---|
| 69 | n->database = NULL; |
---|
| 70 | n->dataoff = NULL; |
---|
| 71 | n->datalen = 0; |
---|
| 72 | n->offset = 0; |
---|
[381] | 73 | n->pos = 0; |
---|
[0] | 74 | |
---|
[494] | 75 | s->client = -1; |
---|
| 76 | s->socktype = ROAR_SOCKET_TYPE_UNKNOWN; |
---|
| 77 | s->buffer = NULL; |
---|
| 78 | s->need_extra = 0; |
---|
| 79 | s->output = NULL; |
---|
| 80 | s->is_new = 1; |
---|
| 81 | s->codecfilter = -1; |
---|
[538] | 82 | s->pre_underruns = 0; |
---|
| 83 | s->post_underruns = 0; |
---|
[1137] | 84 | s->delay = 0; |
---|
[538] | 85 | s->codec_orgi = -1; |
---|
[643] | 86 | s->primary = 0; |
---|
[494] | 87 | |
---|
| 88 | s->mixer.scale = 65535; |
---|
| 89 | s->mixer.rpg_mul = 1; |
---|
| 90 | s->mixer.rpg_div = 1; |
---|
[16] | 91 | for (j = 0; j < ROAR_MAX_CHANNELS; j++) |
---|
[494] | 92 | s->mixer.mixer[j] = 65535; |
---|
| 93 | |
---|
[90] | 94 | for (j = 0; j < ROAR_META_MAX_PER_STREAM; j++) { |
---|
[494] | 95 | s->meta[j].type = ROAR_META_TYPE_NONE; |
---|
| 96 | s->meta[j].key[0] = 0; |
---|
| 97 | s->meta[j].value = NULL; |
---|
[90] | 98 | } |
---|
[0] | 99 | |
---|
[592] | 100 | roar_vio_init_calls(&(s->vio)); |
---|
[930] | 101 | s->driver_id = -1; |
---|
[1030] | 102 | s->flags = ROAR_FLAG_NONE; |
---|
[592] | 103 | |
---|
[981] | 104 | roardsp_fchain_init(&(s->fc)); |
---|
| 105 | |
---|
[494] | 106 | g_streams[i] = s; |
---|
[491] | 107 | ROAR_DBG("streams_new(void): n->id=%i", n->id); |
---|
[0] | 108 | ROAR_DBG("streams_new(void) = %i", i); |
---|
| 109 | return i; |
---|
| 110 | } |
---|
| 111 | } |
---|
| 112 | |
---|
| 113 | return -1; |
---|
| 114 | } |
---|
| 115 | |
---|
| 116 | int streams_delete (int id) { |
---|
[643] | 117 | struct roar_stream_server * s; |
---|
[645] | 118 | int prim; |
---|
| 119 | |
---|
[643] | 120 | if ( (s = g_streams[id]) == NULL ) |
---|
[0] | 121 | return 0; |
---|
| 122 | |
---|
| 123 | ROAR_DBG("streams_delete(id=%i) = ?", id); |
---|
[643] | 124 | ROAR_DBG("streams_delete(id=%i): g_streams[id]->id=%i", id, ROAR_STREAM(s)->id); |
---|
[0] | 125 | |
---|
[1045] | 126 | // delete meta data form other meta streams if needed |
---|
| 127 | if ( streams_get_flag(id, ROAR_FLAG_META) == 1 ) { |
---|
| 128 | ROAR_DBG("streams_delete(id=%i): deleting meta stream!", id); |
---|
| 129 | stream_meta_clear(id); |
---|
| 130 | stream_meta_finalize(id); |
---|
| 131 | } |
---|
| 132 | |
---|
[643] | 133 | if ( s->codecfilter != -1 ) { |
---|
| 134 | codecfilter_close(s->codecfilter_inst, s->codecfilter); |
---|
| 135 | s->codecfilter_inst = NULL; |
---|
| 136 | s->codecfilter = -1; |
---|
| 137 | } |
---|
| 138 | |
---|
[936] | 139 | if ( s->driver_id != -1 ) { |
---|
[937] | 140 | driver_closevio(&(s->vio), s->driver_id); |
---|
[936] | 141 | roar_vio_init_calls(&(s->vio)); |
---|
| 142 | s->driver_id = -1; |
---|
| 143 | } |
---|
| 144 | |
---|
[981] | 145 | roardsp_fchain_uninit(&(s->fc)); |
---|
| 146 | |
---|
[643] | 147 | if ( s->client != -1 ) { |
---|
| 148 | ROAR_DBG("streams_delete(id=%i): Stream is owned by client %i", id, g_streams[id]->client); |
---|
| 149 | client_stream_delete(s->client, id); |
---|
[269] | 150 | } |
---|
| 151 | |
---|
[643] | 152 | if ( s->buffer != NULL ) |
---|
| 153 | roar_buffer_free(s->buffer); |
---|
| 154 | |
---|
| 155 | if ( s->output != NULL ) |
---|
| 156 | free(s->output); |
---|
| 157 | |
---|
| 158 | if ( ROAR_STREAM(s)->fh != -1 ) |
---|
| 159 | close(ROAR_STREAM(s)->fh); |
---|
| 160 | |
---|
[645] | 161 | prim = s->primary; |
---|
[0] | 162 | |
---|
[643] | 163 | free(s); |
---|
[0] | 164 | |
---|
| 165 | g_streams[id] = NULL; |
---|
| 166 | |
---|
[645] | 167 | if ( prim ) { |
---|
| 168 | alive = 0; |
---|
| 169 | clean_quit(); |
---|
| 170 | } |
---|
| 171 | |
---|
[0] | 172 | ROAR_DBG("streams_delete(id=%i) = 0", id); |
---|
| 173 | return 0; |
---|
| 174 | } |
---|
| 175 | |
---|
| 176 | int streams_set_client (int id, int client) { |
---|
| 177 | if ( g_streams[id] == NULL ) |
---|
| 178 | return -1; |
---|
| 179 | |
---|
[491] | 180 | ROAR_DBG("streams_set_client(id=%i): g_streams[id]->id=%i", id, ROAR_STREAM(g_streams[id])->id); |
---|
[0] | 181 | g_streams[id]->client = client; |
---|
| 182 | |
---|
| 183 | return 0; |
---|
| 184 | } |
---|
| 185 | |
---|
[766] | 186 | int streams_get_client (int id) { |
---|
| 187 | if ( g_streams[id] == NULL ) |
---|
| 188 | return -1; |
---|
| 189 | |
---|
| 190 | return g_streams[id]->client; |
---|
| 191 | } |
---|
| 192 | |
---|
| 193 | |
---|
[0] | 194 | int streams_set_fh (int id, int fh) { |
---|
[51] | 195 | int dir; |
---|
| 196 | |
---|
[0] | 197 | if ( g_streams[id] == NULL ) |
---|
| 198 | return -1; |
---|
| 199 | |
---|
[491] | 200 | ROAR_DBG("streams_set_fh(id=%i): g_streams[id]->id=%i", id, ROAR_STREAM(g_streams[id])->id); |
---|
| 201 | |
---|
[609] | 202 | ROAR_STREAM(g_streams[id])->fh = fh; |
---|
[0] | 203 | |
---|
[571] | 204 | if ( codecfilter_open(&(g_streams[id]->codecfilter_inst), &(g_streams[id]->codecfilter), NULL, |
---|
| 205 | ROAR_STREAM(g_streams[id])->info.codec, g_streams[id]) == -1 ) { |
---|
| 206 | return streams_delete(id); |
---|
| 207 | } |
---|
[268] | 208 | |
---|
[634] | 209 | if ( fh == -1 ) { // yes, this is valid, indecats full vio! |
---|
| 210 | return 0; |
---|
| 211 | } |
---|
| 212 | |
---|
[971] | 213 | // roar_socket_recvbuf(fh, ROAR_OUTPUT_CALC_OUTBUFSIZE( &(ROAR_STREAM(g_streams[id])->info) )); // set recv buffer to minimum |
---|
[968] | 214 | |
---|
[491] | 215 | dir = ROAR_STREAM(g_streams[id])->dir; |
---|
[51] | 216 | |
---|
[634] | 217 | if ( dir == ROAR_DIR_MONITOR || dir == ROAR_DIR_RECORD || dir == ROAR_DIR_OUTPUT ) { |
---|
[53] | 218 | shutdown(fh, SHUT_RD); |
---|
[51] | 219 | } |
---|
| 220 | |
---|
| 221 | if ( dir == ROAR_DIR_FILTER ) { |
---|
[0] | 222 | return 0; |
---|
| 223 | } else { |
---|
| 224 | return roar_socket_nonblock(fh, ROAR_SOCKET_NONBLOCK); |
---|
| 225 | } |
---|
| 226 | } |
---|
| 227 | |
---|
[66] | 228 | int streams_get_fh (int id) { |
---|
[84] | 229 | if ( id < 0 ) |
---|
| 230 | return -1; |
---|
| 231 | |
---|
[66] | 232 | if ( g_streams[id] == NULL ) |
---|
| 233 | return -1; |
---|
| 234 | |
---|
[609] | 235 | return ROAR_STREAM(g_streams[id])->fh; |
---|
[66] | 236 | } |
---|
[0] | 237 | |
---|
| 238 | int streams_get (int id, struct roar_stream_server ** stream) { |
---|
| 239 | if ( g_streams[id] == NULL ) |
---|
| 240 | return -1; |
---|
| 241 | |
---|
| 242 | *stream = g_streams[id]; |
---|
| 243 | |
---|
| 244 | return 0; |
---|
| 245 | } |
---|
| 246 | |
---|
[377] | 247 | int streams_set_socktype (int id, int socktype) { |
---|
| 248 | if ( g_streams[id] == NULL ) |
---|
| 249 | return -1; |
---|
| 250 | |
---|
| 251 | g_streams[id]->socktype = socktype; |
---|
| 252 | |
---|
| 253 | return 0; |
---|
| 254 | } |
---|
| 255 | |
---|
| 256 | int streams_get_socktype (int id) { |
---|
| 257 | if ( g_streams[id] == NULL ) |
---|
| 258 | return -1; |
---|
| 259 | |
---|
| 260 | return g_streams[id]->socktype; |
---|
| 261 | } |
---|
[0] | 262 | |
---|
[643] | 263 | int streams_set_primary (int id, int prim) { |
---|
| 264 | if ( g_streams[id] == NULL ) |
---|
| 265 | return -1; |
---|
| 266 | |
---|
| 267 | g_streams[id]->primary = prim; |
---|
| 268 | |
---|
| 269 | return 0; |
---|
| 270 | } |
---|
| 271 | |
---|
| 272 | int streams_mark_primary (int id) { |
---|
| 273 | return streams_set_primary(id, 1); |
---|
| 274 | } |
---|
[1029] | 275 | |
---|
[1116] | 276 | int streams_set_sync (int id, int sync) { |
---|
[1117] | 277 | int fh = streams_get_fh(id); |
---|
[1116] | 278 | |
---|
[1117] | 279 | if ( fh != -1 ) { |
---|
| 280 | if ( roar_socket_nonblock(fh, sync ? ROAR_SOCKET_BLOCK : ROAR_SOCKET_NONBLOCK) == -1 ) |
---|
| 281 | return -1; |
---|
[1116] | 282 | |
---|
[1125] | 283 | fdatasync(fh); |
---|
| 284 | |
---|
| 285 | return 0; |
---|
[1117] | 286 | } else { |
---|
| 287 | return roar_vio_nonblock(&(g_streams[id]->vio), sync); |
---|
| 288 | } |
---|
[1116] | 289 | } |
---|
| 290 | |
---|
[1029] | 291 | int streams_set_flag (int id, int flag) { |
---|
| 292 | if ( g_streams[id] == NULL ) |
---|
| 293 | return -1; |
---|
| 294 | |
---|
[1043] | 295 | if ( flag & ROAR_FLAG_PRIMARY ) { |
---|
| 296 | streams_set_primary(id, 1); |
---|
| 297 | flag -= ROAR_FLAG_PRIMARY; |
---|
| 298 | } |
---|
| 299 | |
---|
[1116] | 300 | if ( flag & ROAR_FLAG_SYNC ) { |
---|
[1125] | 301 | if ( streams_set_sync(id, 1) == -1 ) |
---|
| 302 | flag -= ROAR_FLAG_SYNC; |
---|
[1116] | 303 | } |
---|
| 304 | |
---|
[1029] | 305 | g_streams[id]->flags |= flag; |
---|
| 306 | |
---|
[1043] | 307 | if ( flag & ROAR_FLAG_META ) |
---|
| 308 | stream_meta_finalize(id); |
---|
| 309 | |
---|
[1029] | 310 | return 0; |
---|
| 311 | } |
---|
| 312 | |
---|
| 313 | int streams_reset_flag (int id, int flag) { |
---|
| 314 | if ( g_streams[id] == NULL ) |
---|
| 315 | return -1; |
---|
| 316 | |
---|
[1043] | 317 | if ( flag & ROAR_FLAG_PRIMARY ) { |
---|
| 318 | streams_set_primary(id, 0); |
---|
| 319 | flag -= ROAR_FLAG_PRIMARY; |
---|
| 320 | } |
---|
| 321 | |
---|
[1116] | 322 | if ( flag & ROAR_FLAG_SYNC ) { |
---|
| 323 | streams_set_sync(id, 0); |
---|
| 324 | } |
---|
| 325 | |
---|
[1029] | 326 | g_streams[id]->flags |= flag; |
---|
| 327 | g_streams[id]->flags -= flag; |
---|
| 328 | |
---|
| 329 | return 0; |
---|
| 330 | } |
---|
| 331 | |
---|
[1042] | 332 | int streams_get_flag (int id, int flag) { |
---|
| 333 | if ( g_streams[id] == NULL ) |
---|
| 334 | return -1; |
---|
| 335 | |
---|
| 336 | return g_streams[id]->flags & flag ? 1 : 0; |
---|
| 337 | } |
---|
| 338 | |
---|
[1142] | 339 | int sreams_calc_delay (int id) { |
---|
| 340 | struct roar_stream_server * ss; |
---|
| 341 | register uint_least32_t d = 0; |
---|
| 342 | uint_least32_t t[1]; |
---|
| 343 | |
---|
| 344 | if ( (ss = g_streams[id]) == NULL ) |
---|
| 345 | return -1; |
---|
| 346 | |
---|
| 347 | if ( ss->codecfilter != -1 ) { |
---|
| 348 | if ( codecfilter_delay(ss->codecfilter_inst, ss->codecfilter, t) != -1 ) |
---|
| 349 | d += *t; |
---|
| 350 | } |
---|
| 351 | |
---|
| 352 | ss->delay = d; |
---|
| 353 | |
---|
| 354 | return 0; |
---|
| 355 | } |
---|
| 356 | |
---|
[0] | 357 | int streams_get_outputbuffer (int id, void ** buffer, size_t size) { |
---|
| 358 | if ( g_streams[id] == NULL ) |
---|
| 359 | return -1; |
---|
| 360 | |
---|
| 361 | // output buffer size does never change. |
---|
| 362 | if ( g_streams[id]->output != NULL ) { |
---|
| 363 | *buffer = g_streams[id]->output; |
---|
| 364 | return 0; |
---|
| 365 | } |
---|
| 366 | |
---|
| 367 | if ( (g_streams[id]->output = malloc(size)) == NULL ) { |
---|
| 368 | ROAR_ERR("streams_get_outputbuffer(*): Can not alloc: %s", strerror(errno)); |
---|
| 369 | return -1; |
---|
| 370 | } |
---|
| 371 | |
---|
| 372 | *buffer = g_streams[id]->output; |
---|
| 373 | |
---|
| 374 | return 0; |
---|
| 375 | } |
---|
| 376 | |
---|
| 377 | int streams_fill_mixbuffer (int id, struct roar_audio_info * info) { |
---|
| 378 | // TODO: decide: is this the most complex, hacked, un-understadable, |
---|
| 379 | // un-writeable and even worse: un-readable |
---|
| 380 | // function in the whole project? |
---|
| 381 | size_t todo = ROAR_OUTPUT_CALC_OUTBUFSIZE(info); |
---|
[381] | 382 | size_t needed = todo; |
---|
[0] | 383 | size_t todo_in; |
---|
| 384 | size_t len, outlen; |
---|
[491] | 385 | size_t mul = 1, div = 1; |
---|
[0] | 386 | void * rest = NULL; |
---|
| 387 | void * in = NULL; |
---|
| 388 | struct roar_buffer * buf; |
---|
| 389 | struct roar_audio_info * stream_info; |
---|
[495] | 390 | struct roar_stream_server * stream = g_streams[id]; |
---|
[0] | 391 | int is_the_same = 0; |
---|
| 392 | |
---|
| 393 | if ( g_streams[id] == NULL ) |
---|
| 394 | return -1; |
---|
| 395 | |
---|
| 396 | if ( streams_get_outputbuffer(id, &rest, todo) == -1 ) { |
---|
| 397 | return -1; |
---|
| 398 | } |
---|
| 399 | |
---|
| 400 | if ( rest == NULL ) { |
---|
| 401 | return -1; |
---|
| 402 | } |
---|
| 403 | |
---|
| 404 | // set up stream_info |
---|
| 405 | |
---|
[495] | 406 | stream_info = &(ROAR_STREAM(stream)->info); |
---|
[0] | 407 | |
---|
| 408 | // calc todo_in |
---|
[491] | 409 | todo_in = ROAR_OUTPUT_CALC_OUTBUFSIZE(stream_info); |
---|
| 410 | |
---|
| 411 | // calc mul and div: |
---|
| 412 | mul = todo / todo_in; |
---|
| 413 | div = todo_in / todo; |
---|
| 414 | |
---|
| 415 | if ( mul == 0 ) { |
---|
| 416 | mul = 1; |
---|
| 417 | } else { |
---|
| 418 | div = 1; |
---|
| 419 | } |
---|
| 420 | |
---|
| 421 | ROAR_DBG("streams_fill_mixbuffer(*): mul=%i, div=%i", mul, div); |
---|
[0] | 422 | |
---|
| 423 | ROAR_DBG("streams_fill_mixbuffer(*): rest=%p, todo=%i->%i (in->out)", rest, todo_in, todo); |
---|
| 424 | // are both (input and output) of same format? |
---|
| 425 | |
---|
| 426 | |
---|
| 427 | ROAR_DBG("streams_fill_mixbuffer(*): stream_info:"); |
---|
| 428 | roar_debug_audio_info_print(stream_info); |
---|
| 429 | ROAR_DBG("streams_fill_mixbuffer(*): info:"); |
---|
| 430 | roar_debug_audio_info_print(info); |
---|
| 431 | |
---|
| 432 | is_the_same = stream_info->rate == info->rate && stream_info->bits == info->bits && |
---|
| 433 | stream_info->channels == info->channels && stream_info->codec == info->codec; |
---|
| 434 | |
---|
| 435 | ROAR_DBG("streams_fill_mixbuffer(*): is_the_same=%i", is_the_same); |
---|
| 436 | |
---|
| 437 | /* How it works: |
---|
| 438 | * |
---|
| 439 | * set a counter to the number of samples we need. |
---|
| 440 | * loop until we have all samples done or no samples are |
---|
| 441 | * left in our input buffer. |
---|
| 442 | * If there a no samples left in the input buffer: fill the rest |
---|
| 443 | * of the output buffer with zeros. |
---|
| 444 | * |
---|
| 445 | * The loop: |
---|
| 446 | * get a buffer from the input. |
---|
| 447 | * if it's bigger than needed, set an offset. |
---|
| 448 | * The rest of the data: |
---|
| 449 | * 0) convert endianness (codec) from remote to local... |
---|
| 450 | * 1) change bits in of the samples |
---|
| 451 | * 2) change sample rate |
---|
| 452 | * 3) change the nummber of channels |
---|
| 453 | * 4) insert into output buffer |
---|
| 454 | */ |
---|
| 455 | |
---|
| 456 | /* |
---|
| 457 | // get our first buffer: |
---|
| 458 | |
---|
| 459 | if ( stream_shift_buffer(id, &buf) == -1 ) { |
---|
| 460 | return -1; |
---|
| 461 | } |
---|
| 462 | |
---|
| 463 | // first test for some basic simple cases... |
---|
| 464 | |
---|
| 465 | if ( buf == NULL ) { // we habe nothing in input queue |
---|
| 466 | // we may memset() our output buffer OR |
---|
| 467 | // just return with -1 so we are going to |
---|
| 468 | // be ignored. |
---|
| 469 | return -1; |
---|
| 470 | } |
---|
| 471 | */ |
---|
| 472 | |
---|
| 473 | while (todo) { // main loop |
---|
| 474 | ROAR_DBG("streams_fill_mixbuffer(*): looping..."); |
---|
| 475 | // exit loop if nothing is left, even if we need more data.. |
---|
| 476 | if ( stream_shift_buffer(id, &buf) == -1 ) |
---|
| 477 | break; |
---|
| 478 | if ( buf == NULL ) |
---|
| 479 | break; |
---|
| 480 | |
---|
| 481 | // read the data for this loop... |
---|
| 482 | roar_buffer_get_data(buf, &in); |
---|
| 483 | roar_buffer_get_len(buf, &len); |
---|
| 484 | |
---|
| 485 | ROAR_DBG("streams_fill_mixbuffer(*): len = %i", len); |
---|
| 486 | |
---|
| 487 | if ( len > todo_in ) { |
---|
| 488 | roar_buffer_set_offset(buf, todo_in); |
---|
| 489 | len = todo_in; |
---|
| 490 | } else { |
---|
| 491 | roar_buffer_set_len(buf, 0); // queue for deletation |
---|
| 492 | } |
---|
| 493 | |
---|
| 494 | // we now have 'len' bytes in 'in' |
---|
| 495 | |
---|
| 496 | // calc how much outlen this has... |
---|
[491] | 497 | outlen = (len * mul) / div; |
---|
[0] | 498 | |
---|
| 499 | ROAR_DBG("streams_fill_mixbuffer(*): outlen = %i, buf = %p, len = %i", outlen, in, len); |
---|
| 500 | |
---|
| 501 | if ( is_the_same ) { |
---|
| 502 | /* |
---|
| 503 | * 0) convert endianness (codec) from remote to local... |
---|
| 504 | * 1) change bits in of the samples |
---|
| 505 | * 2) change sample rate |
---|
| 506 | * 3) change the nummber of channels |
---|
| 507 | \\==> skiping,... |
---|
| 508 | */ |
---|
| 509 | // * 4) insert into output buffer |
---|
| 510 | ROAR_DBG("streams_fill_mixbuffer(*): memcpy: in->rest: %p -> %p", in, rest); |
---|
| 511 | if ( memcpy(rest, in, len) != rest ) { |
---|
| 512 | ROAR_ERR("streams_fill_mixbuffer(*): memcpy returned invalid pointer."); |
---|
| 513 | } |
---|
| 514 | |
---|
| 515 | } else { |
---|
| 516 | |
---|
| 517 | /* |
---|
| 518 | // * 0) convert endianness (codec) from remote to local... |
---|
| 519 | if ( stream_info->codec != info->codec ) { |
---|
| 520 | // we neet to convert... |
---|
| 521 | return -1; |
---|
| 522 | } |
---|
| 523 | |
---|
| 524 | // * 1) change bits in of the samples |
---|
| 525 | if ( stream_info->bits != info->bits ) { |
---|
| 526 | return -1; |
---|
| 527 | } |
---|
| 528 | |
---|
| 529 | // * 2) change sample rate |
---|
| 530 | if ( stream_info->rate != info->rate ) { |
---|
| 531 | return -1; |
---|
| 532 | } |
---|
| 533 | |
---|
| 534 | // * 3) change the nummber of channels |
---|
| 535 | if ( stream_info->channels != info->channels ) { |
---|
| 536 | return -1; |
---|
| 537 | } |
---|
| 538 | |
---|
| 539 | // * 4) insert into output buffer |
---|
| 540 | */ |
---|
| 541 | // hey! we have roar_conv() :) |
---|
| 542 | |
---|
[491] | 543 | if ( roar_conv(rest, in, 8*len / stream_info->bits, stream_info, info) == -1 ) |
---|
| 544 | return -1; |
---|
| 545 | } |
---|
[0] | 546 | |
---|
[495] | 547 | if ( change_vol(rest, info->bits, rest, 8*outlen / info->bits, info->channels, &(stream->mixer)) == -1 ) |
---|
[491] | 548 | return -1; |
---|
[17] | 549 | |
---|
[0] | 550 | // we habe outlen bytes more... |
---|
[491] | 551 | todo -= outlen; |
---|
| 552 | rest += outlen; |
---|
| 553 | todo_in -= len; |
---|
[0] | 554 | |
---|
[491] | 555 | roar_buffer_get_len(buf, &len); |
---|
| 556 | ROAR_DBG("streams_fill_mixbuffer(*): New length of buffer %p is %i", buf, len); |
---|
| 557 | if ( len == 0 ) { |
---|
| 558 | roar_buffer_delete(buf, NULL); |
---|
| 559 | } else { |
---|
| 560 | stream_unshift_buffer(id, buf); |
---|
[271] | 561 | } |
---|
[0] | 562 | } |
---|
| 563 | |
---|
[271] | 564 | //len = 0; |
---|
| 565 | //roar_buffer_get_len(buf, &len); |
---|
[0] | 566 | |
---|
| 567 | /* |
---|
| 568 | if ( len > 0 ) // we still have some data in this buffer, re-inserting it to the input buffers... |
---|
| 569 | stream_unshift_buffer(id, buf); |
---|
| 570 | else |
---|
| 571 | buffer_delete(buf, NULL); |
---|
| 572 | */ |
---|
| 573 | |
---|
[609] | 574 | ROAR_STREAM(g_streams[id])->pos = |
---|
| 575 | ROAR_MATH_OVERFLOW_ADD(ROAR_STREAM(g_streams[id])->pos, |
---|
[381] | 576 | ROAR_OUTPUT_CALC_OUTBUFSAMP(info, needed-todo)); |
---|
| 577 | //ROAR_WARN("stream=%i, pos=%u", id, ((struct roar_stream*)g_streams[id])->pos); |
---|
| 578 | |
---|
[495] | 579 | if ( todo > 0 ) { // zeroize the rest of the buffer |
---|
[0] | 580 | memset(rest, 0, todo); |
---|
[125] | 581 | |
---|
| 582 | if ( todo != ROAR_OUTPUT_CALC_OUTBUFSIZE(info) ) { |
---|
[495] | 583 | if ( g_streams[id]->is_new ) { |
---|
| 584 | stream->pre_underruns++; |
---|
| 585 | } else { |
---|
[701] | 586 | ROAR_WARN("streams_fill_mixbuffer(*): Underrun in stream: %u bytes missing, filling with zeros", (unsigned int)todo); |
---|
[495] | 587 | stream->post_underruns++; |
---|
| 588 | } |
---|
[125] | 589 | |
---|
[495] | 590 | stream->is_new = 0; |
---|
[125] | 591 | } |
---|
| 592 | } else { |
---|
[495] | 593 | stream->is_new = 0; |
---|
[0] | 594 | } |
---|
| 595 | |
---|
| 596 | return 0; |
---|
| 597 | } |
---|
| 598 | |
---|
[491] | 599 | |
---|
[0] | 600 | int streams_get_mixbuffers (void *** bufferlist, struct roar_audio_info * info, unsigned int pos) { |
---|
[84] | 601 | static void * bufs[ROAR_STREAMS_MAX+1]; |
---|
[0] | 602 | int i; |
---|
| 603 | int have = 0; |
---|
| 604 | |
---|
| 605 | for (i = 0; i < ROAR_STREAMS_MAX; i++) { |
---|
| 606 | if ( g_streams[i] != NULL ) { |
---|
[826] | 607 | if ( ROAR_STREAM(g_streams[i])->dir != ROAR_DIR_PLAY && ROAR_STREAM(g_streams[i])->dir != ROAR_DIR_BIDIR ) |
---|
[0] | 608 | continue; |
---|
| 609 | |
---|
| 610 | if ( streams_get_outputbuffer(i, &bufs[have], ROAR_OUTPUT_CALC_OUTBUFSIZE(info)) == -1 ) { |
---|
| 611 | ROAR_ERR("streams_get_mixbuffer(*): Can not alloc output buffer for stream %i, BAD!", i); |
---|
| 612 | ROAR_ERR("streams_get_mixbuffer(*): Ignoring stream for this round."); |
---|
| 613 | continue; |
---|
| 614 | } |
---|
| 615 | if ( streams_fill_mixbuffer(i, info) == -1 ) { |
---|
| 616 | ROAR_ERR("streams_get_mixbuffer(*): Can not fill output buffer for stream %i, this should not happen", i); |
---|
| 617 | continue; |
---|
| 618 | } |
---|
| 619 | |
---|
[139] | 620 | // printf("D: bufs[have=%i] = %p\n", have, bufs[have]); |
---|
| 621 | |
---|
[0] | 622 | ROAR_DBG("streams_get_mixbuffers(*): bufs[have] = %p", bufs[have]); |
---|
| 623 | ROAR_DBG("streams_get_mixbuffers(*): *bufs[have] = 0x%08x...", *(uint32_t*)bufs[have]); |
---|
| 624 | |
---|
| 625 | have++; // we have a new stream! |
---|
| 626 | } |
---|
| 627 | } |
---|
| 628 | |
---|
| 629 | bufs[have] = NULL; |
---|
[139] | 630 | //printf("D: bufs[have=%i] = %p\n", have, bufs[have]); |
---|
[0] | 631 | |
---|
| 632 | ROAR_DBG("streams_get_mixbuffers(*): have = %i", have); |
---|
| 633 | |
---|
| 634 | *bufferlist = bufs; |
---|
[547] | 635 | return have; |
---|
[0] | 636 | } |
---|
| 637 | |
---|
| 638 | |
---|
| 639 | int stream_add_buffer (int id, struct roar_buffer * buf) { |
---|
| 640 | ROAR_DBG("stream_add_buffer(id=%i, buf=%p) = ?", id, buf); |
---|
| 641 | |
---|
| 642 | if ( g_streams[id] == NULL ) |
---|
| 643 | return -1; |
---|
| 644 | |
---|
| 645 | if ( g_streams[id]->buffer == NULL ) { |
---|
| 646 | g_streams[id]->buffer = buf; |
---|
| 647 | ROAR_DBG("stream_add_buffer(id=%i, buf=%p) = 0", id, buf); |
---|
| 648 | return 0; |
---|
| 649 | } |
---|
| 650 | |
---|
| 651 | ROAR_DBG("stream_add_buffer(id=%i, buf=%p) = ?", id, buf); |
---|
| 652 | return roar_buffer_add(g_streams[id]->buffer, buf); |
---|
| 653 | } |
---|
| 654 | |
---|
| 655 | int stream_shift_buffer (int id, struct roar_buffer ** buf) { |
---|
| 656 | struct roar_buffer * next; |
---|
| 657 | |
---|
| 658 | if ( g_streams[id] == NULL ) |
---|
| 659 | return -1; |
---|
| 660 | |
---|
| 661 | if ( g_streams[id]->buffer == NULL ) { |
---|
| 662 | *buf = NULL; |
---|
| 663 | return 0; |
---|
| 664 | } |
---|
| 665 | |
---|
| 666 | roar_buffer_get_next(g_streams[id]->buffer, &next); |
---|
| 667 | |
---|
| 668 | *buf = g_streams[id]->buffer; |
---|
| 669 | g_streams[id]->buffer = next; |
---|
| 670 | |
---|
| 671 | return 0; |
---|
| 672 | } |
---|
| 673 | int stream_unshift_buffer (int id, struct roar_buffer * buf) { |
---|
| 674 | if ( g_streams[id] == NULL ) |
---|
| 675 | return -1; |
---|
| 676 | |
---|
| 677 | if ( g_streams[id]->buffer == NULL ) { |
---|
| 678 | g_streams[id]->buffer = buf; |
---|
| 679 | return 0; |
---|
| 680 | } |
---|
| 681 | |
---|
[271] | 682 | buf->next = NULL; |
---|
| 683 | |
---|
[0] | 684 | roar_buffer_add(buf, g_streams[id]->buffer); |
---|
| 685 | |
---|
| 686 | g_streams[id]->buffer = buf; |
---|
| 687 | |
---|
| 688 | return 0; |
---|
| 689 | } |
---|
| 690 | |
---|
| 691 | int streams_check (int id) { |
---|
| 692 | int fh; |
---|
[508] | 693 | ssize_t req, realreq, done; |
---|
[0] | 694 | struct roar_stream * s; |
---|
| 695 | struct roar_stream_server * ss; |
---|
| 696 | struct roar_buffer * b; |
---|
| 697 | char * buf; |
---|
| 698 | |
---|
| 699 | if ( g_streams[id] == NULL ) |
---|
| 700 | return -1; |
---|
| 701 | |
---|
| 702 | ROAR_DBG("streams_check(id=%i) = ?", id); |
---|
| 703 | |
---|
[609] | 704 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
[0] | 705 | |
---|
| 706 | if ( (fh = s->fh) == -1 ) |
---|
| 707 | return 0; |
---|
| 708 | |
---|
[826] | 709 | if ( s->dir != ROAR_DIR_PLAY && s->dir != ROAR_DIR_BIDIR ) |
---|
[0] | 710 | return 0; |
---|
| 711 | |
---|
| 712 | ROAR_DBG("streams_check(id=%i): fh = %i", id, fh); |
---|
| 713 | |
---|
| 714 | req = ROAR_OUTPUT_BUFFER_SAMPLES * s->info.channels * s->info.bits / 8; // optimal size |
---|
| 715 | req += ss->need_extra; // bytes left we sould get.... |
---|
| 716 | |
---|
| 717 | if ( roar_buffer_new(&b, req) == -1 ) { |
---|
| 718 | ROAR_ERR("streams_check(*): Can not alloc buffer space!"); |
---|
| 719 | ROAR_DBG("streams_check(*) = -1"); |
---|
| 720 | return -1; |
---|
| 721 | } |
---|
| 722 | |
---|
| 723 | roar_buffer_get_data(b, (void **)&buf); |
---|
| 724 | |
---|
| 725 | ROAR_DBG("streams_check(id=%i): buffer is up and ready ;)", id); |
---|
| 726 | |
---|
[270] | 727 | if ( ss->codecfilter == -1 ) { |
---|
[508] | 728 | realreq = req; |
---|
| 729 | /* |
---|
[270] | 730 | req = read(fh, buf, req); |
---|
[508] | 731 | if ( req < realreq ) { // we can do this as the stream is in nonblocking mode! |
---|
| 732 | if ( (realreq = read(fh, buf+req, realreq-req)) > 0 ) |
---|
| 733 | req += realreq; |
---|
| 734 | } |
---|
| 735 | */ |
---|
| 736 | done = 0; |
---|
| 737 | while (req > 0 && done != realreq) { |
---|
[881] | 738 | if ( (req = stream_vio_s_read(ss, buf+done, realreq-done)) > 0 ) |
---|
[508] | 739 | done += req; |
---|
| 740 | } |
---|
| 741 | req = done; |
---|
[270] | 742 | } else { |
---|
| 743 | req = codecfilter_read(ss->codecfilter_inst, ss->codecfilter, buf, req); |
---|
| 744 | } |
---|
| 745 | |
---|
| 746 | if ( req > 0 ) { |
---|
[0] | 747 | ROAR_DBG("streams_check(id=%i): got %i bytes", id, req); |
---|
| 748 | |
---|
| 749 | roar_buffer_set_len(b, req); |
---|
| 750 | |
---|
| 751 | if ( stream_add_buffer(id, b) != -1 ) |
---|
| 752 | return 0; |
---|
| 753 | |
---|
| 754 | ROAR_ERR("streams_check(id=%i): something is wrong, could not add buffer to stream!", id); |
---|
| 755 | roar_buffer_free(b); |
---|
| 756 | } else { |
---|
[272] | 757 | ROAR_DBG("streams_check(id=%i): read() = %i // errno: %s", id, req, strerror(errno)); |
---|
| 758 | #ifdef ROAR_HAVE_LIBVORBISFILE |
---|
| 759 | if ( errno != EAGAIN && errno != ESPIPE ) { // libvorbis file trys to seek a bit ofen :) |
---|
| 760 | #else |
---|
| 761 | if ( errno != EAGAIN ) { |
---|
| 762 | #endif |
---|
| 763 | ROAR_DBG("streams_check(id=%i): EOF!", id); |
---|
| 764 | streams_delete(id); |
---|
| 765 | ROAR_DBG("streams_check(id=%i) = 0", id); |
---|
| 766 | } |
---|
[334] | 767 | roar_buffer_free(b); |
---|
[0] | 768 | return 0; |
---|
| 769 | } |
---|
| 770 | |
---|
| 771 | |
---|
| 772 | ROAR_DBG("streams_check(id=%i) = -1", id); |
---|
| 773 | return -1; |
---|
| 774 | } |
---|
| 775 | |
---|
| 776 | |
---|
| 777 | int streams_send_mon (int id) { |
---|
[936] | 778 | // int fh; |
---|
[0] | 779 | struct roar_stream * s; |
---|
| 780 | struct roar_stream_server * ss; |
---|
[625] | 781 | void * obuf; |
---|
| 782 | int olen; |
---|
| 783 | int need_to_free = 0; |
---|
[0] | 784 | |
---|
| 785 | if ( g_streams[id] == NULL ) |
---|
| 786 | return -1; |
---|
| 787 | |
---|
| 788 | ROAR_DBG("streams_send_mon(id=%i) = ?", id); |
---|
| 789 | |
---|
[585] | 790 | s = ROAR_STREAM((ss = g_streams[id])); |
---|
[0] | 791 | |
---|
[934] | 792 | /* |
---|
[0] | 793 | if ( (fh = s->fh) == -1 ) |
---|
| 794 | return 0; |
---|
[934] | 795 | */ |
---|
[0] | 796 | |
---|
[826] | 797 | if ( s->dir != ROAR_DIR_MONITOR && s->dir != ROAR_DIR_OUTPUT && s->dir != ROAR_DIR_BIDIR ) |
---|
[0] | 798 | return 0; |
---|
| 799 | |
---|
[930] | 800 | if ( s->dir == ROAR_DIR_OUTPUT && g_standby ) |
---|
| 801 | return 0; |
---|
| 802 | |
---|
[1042] | 803 | ROAR_DBG("streams_send_mon(id=%i): fh = %i", id, s->fh); |
---|
[0] | 804 | |
---|
[625] | 805 | if ( s->info.channels != g_sa->channels || s->info.bits != g_sa->bits || |
---|
| 806 | s->info.rate != g_sa->rate || s->info.codec != g_sa->codec ) { |
---|
| 807 | olen = ROAR_OUTPUT_CALC_OUTBUFSIZE(&(s->info)); // we hope g_output_buffer_len |
---|
| 808 | // is ROAR_OUTPUT_CALC_OUTBUFSIZE(g_sa) here |
---|
| 809 | if ( (obuf = malloc(olen)) == NULL ) |
---|
| 810 | return -1; |
---|
| 811 | |
---|
| 812 | need_to_free = 1; |
---|
| 813 | |
---|
| 814 | ROAR_DBG("streams_send_mon(id=%i): obuf=%p, olen=%i", id, obuf, olen); |
---|
| 815 | |
---|
| 816 | if ( roar_conv(obuf, g_output_buffer, ROAR_OUTPUT_BUFFER_SAMPLES*g_sa->channels, g_sa, &(s->info)) == -1 ) { |
---|
| 817 | free(obuf); |
---|
| 818 | return -1; |
---|
| 819 | } |
---|
| 820 | } else { |
---|
| 821 | obuf = g_output_buffer; |
---|
| 822 | olen = g_output_buffer_len; |
---|
| 823 | } |
---|
| 824 | |
---|
[585] | 825 | errno = 0; |
---|
| 826 | |
---|
| 827 | if ( ss->codecfilter == -1 ) { |
---|
[1042] | 828 | ROAR_DBG("streams_send_mon(id=%i): not a CF stream", id); |
---|
| 829 | if ( s->fh == -1 && roar_vio_get_fh(&(ss->vio)) == -1 ) |
---|
[1014] | 830 | return 0; |
---|
| 831 | |
---|
[881] | 832 | if ( stream_vio_s_write(ss, obuf, olen) == olen ) { |
---|
[625] | 833 | if ( need_to_free ) free(obuf); |
---|
[981] | 834 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), olen)*s->info.channels); |
---|
[585] | 835 | return 0; |
---|
[625] | 836 | } |
---|
[585] | 837 | } else { |
---|
[1012] | 838 | errno = 0; |
---|
[625] | 839 | if ( codecfilter_write(ss->codecfilter_inst, ss->codecfilter, obuf, olen) |
---|
| 840 | == olen ) { |
---|
| 841 | if ( need_to_free ) free(obuf); |
---|
[981] | 842 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), olen)*s->info.channels); |
---|
[585] | 843 | return 0; |
---|
| 844 | } else { // we cann't retry on codec filetered streams |
---|
[1012] | 845 | if ( errno != EAGAIN ) { |
---|
| 846 | if ( need_to_free ) free(obuf); |
---|
| 847 | streams_delete(id); |
---|
| 848 | return -1; |
---|
| 849 | } |
---|
[585] | 850 | } |
---|
| 851 | } |
---|
[0] | 852 | |
---|
[129] | 853 | if ( errno == EAGAIN ) { |
---|
| 854 | // ok, the client blocks for a moment, we try to sleep a bit an retry in the hope not to |
---|
| 855 | // make any gapes in any output because of this |
---|
| 856 | |
---|
| 857 | usleep(100); // 0.1ms |
---|
| 858 | |
---|
[881] | 859 | if ( stream_vio_s_write(ss, obuf, olen) == olen ) { |
---|
[625] | 860 | if ( need_to_free ) free(obuf); |
---|
[981] | 861 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), olen)*s->info.channels); |
---|
[129] | 862 | return 0; |
---|
[1015] | 863 | } else if ( errno == EAGAIN ) { |
---|
| 864 | ROAR_WARN("streams_send_mon(id=%i): Can not send data to client: %s", id, strerror(errno)); |
---|
| 865 | return 0; |
---|
[625] | 866 | } |
---|
[129] | 867 | } |
---|
| 868 | |
---|
[0] | 869 | // ug... error... delete stream! |
---|
| 870 | |
---|
[625] | 871 | if ( need_to_free ) free(obuf); |
---|
[0] | 872 | streams_delete(id); |
---|
| 873 | |
---|
| 874 | return -1; |
---|
| 875 | } |
---|
| 876 | |
---|
| 877 | int streams_send_filter(int id) { |
---|
| 878 | int fh; |
---|
[127] | 879 | int have = 0; |
---|
| 880 | int len; |
---|
[0] | 881 | struct roar_stream * s; |
---|
| 882 | struct roar_stream_server * ss; |
---|
| 883 | |
---|
| 884 | if ( g_streams[id] == NULL ) |
---|
| 885 | return -1; |
---|
| 886 | |
---|
| 887 | ROAR_DBG("streams_send_filter(id=%i) = ?", id); |
---|
| 888 | |
---|
[609] | 889 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
[0] | 890 | |
---|
| 891 | if ( (fh = s->fh) == -1 ) |
---|
| 892 | return 0; |
---|
| 893 | |
---|
| 894 | if ( s->dir != ROAR_DIR_FILTER ) |
---|
| 895 | return 0; |
---|
| 896 | |
---|
| 897 | ROAR_DBG("streams_send_filter(id=%i): fh = %i", id, fh); |
---|
| 898 | |
---|
[881] | 899 | if ( stream_vio_s_write(ss, g_output_buffer, g_output_buffer_len) == g_output_buffer_len ) { |
---|
[127] | 900 | while ( have < g_output_buffer_len ) { |
---|
[881] | 901 | if ( (len = stream_vio_s_read(ss, g_output_buffer+have, g_output_buffer_len-have)) < 1 ) { |
---|
[127] | 902 | streams_delete(id); |
---|
| 903 | return -1; |
---|
| 904 | } |
---|
| 905 | have += len; |
---|
[0] | 906 | } |
---|
[127] | 907 | return 0; |
---|
[0] | 908 | } |
---|
| 909 | |
---|
| 910 | // ug... error... delete stream! |
---|
| 911 | |
---|
| 912 | streams_delete(id); |
---|
| 913 | |
---|
| 914 | return -1; |
---|
| 915 | } |
---|
| 916 | |
---|
[596] | 917 | |
---|
| 918 | // VIO: |
---|
| 919 | |
---|
| 920 | ssize_t stream_vio_read (int stream, void *buf, size_t count) { |
---|
| 921 | struct roar_stream_server * s = g_streams[stream]; |
---|
| 922 | |
---|
| 923 | if ( !s ) |
---|
| 924 | return -1; |
---|
| 925 | |
---|
| 926 | return stream_vio_s_read(s, buf, count); |
---|
| 927 | } |
---|
| 928 | |
---|
| 929 | ssize_t stream_vio_write(int stream, void *buf, size_t count) { |
---|
| 930 | struct roar_stream_server * s = g_streams[stream]; |
---|
| 931 | |
---|
| 932 | if ( !s ) |
---|
| 933 | return -1; |
---|
| 934 | |
---|
| 935 | return stream_vio_s_write(s, buf, count); |
---|
| 936 | } |
---|
| 937 | |
---|
| 938 | |
---|
| 939 | ssize_t stream_vio_s_read (struct roar_stream_server * stream, void *buf, size_t count) { |
---|
[741] | 940 | size_t len = 0; |
---|
| 941 | ssize_t r = -1; |
---|
[739] | 942 | |
---|
[596] | 943 | errno = 0; |
---|
| 944 | |
---|
| 945 | if ( !stream ) |
---|
| 946 | return -1; |
---|
| 947 | |
---|
[881] | 948 | roar_vio_set_fh(&(stream->vio), ROAR_STREAM(stream)->fh); |
---|
| 949 | |
---|
[596] | 950 | if ( ! stream->vio.read ) |
---|
| 951 | return -1; |
---|
| 952 | |
---|
[881] | 953 | while ( (r = roar_vio_read(&(stream->vio), buf, count)) > 0 ) { |
---|
[739] | 954 | len += r; |
---|
| 955 | buf += r; |
---|
| 956 | count -= r; |
---|
| 957 | if ( count == 0 ) |
---|
| 958 | break; |
---|
| 959 | } |
---|
| 960 | |
---|
[740] | 961 | if ( len == 0 && r == -1 ) |
---|
| 962 | return -1; |
---|
| 963 | |
---|
[739] | 964 | return len; |
---|
[596] | 965 | } |
---|
| 966 | |
---|
| 967 | ssize_t stream_vio_s_write(struct roar_stream_server * stream, void *buf, size_t count) { |
---|
| 968 | errno = 0; |
---|
| 969 | |
---|
| 970 | if ( !stream ) |
---|
| 971 | return -1; |
---|
| 972 | |
---|
[934] | 973 | if ( roar_vio_get_fh(&(stream->vio)) == -1 && ROAR_STREAM(stream)->fh != -1 ) |
---|
| 974 | roar_vio_set_fh(&(stream->vio), ROAR_STREAM(stream)->fh); |
---|
| 975 | |
---|
| 976 | // ROAR_WARN("stream_vio_s_write(*): writing..."); |
---|
[596] | 977 | |
---|
[881] | 978 | return roar_vio_write(&(stream->vio), buf, count); |
---|
[596] | 979 | } |
---|
| 980 | |
---|
[0] | 981 | //ll |
---|