source: roaraudio/roard/streams.c @ 3214:df7983de831f

Last change on this file since 3214:df7983de831f was 3214:df7983de831f, checked in by phi, 14 years ago

set mixer streams on setting of direction

File size: 42.4 KB
Line 
1//streams.c:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008
5 *
6 *  This file is part of roard a part of RoarAudio,
7 *  a cross-platform sound system for both, home and professional use.
8 *  See README for details.
9 *
10 *  This file is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 3
12 *  as published by the Free Software Foundation.
13 *
14 *  RoarAudio is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this software; see the file COPYING.  If not, write to
21 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
22 *
23 */
24
25#include "roard.h"
26
27#define _CHECK_SID_RET(id,ret) if ( (id) < 0 || (id) > ROAR_STREAMS_MAX || g_streams[(id)] == NULL ) return (ret)
28#define _CHECK_SID(id)         _CHECK_SID_RET((id), -1)
29
30int streams_thru_num     =  0;
31int streams_recsource_id = -1;
32
33int streams_init (void) {
34 int i;
35
36 for (i = 0; i < ROAR_STREAMS_MAX; i++)
37  g_streams[i] = NULL;
38
39 return 0;
40}
41
42int streams_free (void) {
43 int i;
44
45 for (i = 0; i < ROAR_STREAMS_MAX; i++) {
46  if ( g_streams[i] != NULL ) {
47   streams_delete(i);
48  }
49 }
50
51 return 0;
52}
53
54
55int streams_new    (void) {
56 int i, j;
57 struct roar_stream        * n = NULL;
58 struct roar_stream_server * s = NULL;
59
60#ifdef ROAR_SUPPORT_LISTEN
61 if ( g_terminate && !g_no_listen ) // don't accept new streams in case of termination state
62  return -1;
63#else
64 if ( g_terminate )                 // don't accept new streams in case of termination state
65  return -1;
66#endif
67
68 for (i = 0; i < ROAR_STREAMS_MAX; i++) {
69  if ( g_streams[i] == NULL ) {
70   s = ROAR_STREAM_SERVER(n = ROAR_STREAM(roar_mm_malloc(sizeof(struct roar_stream_server))));
71   if ( n == NULL ) {
72    ROAR_ERR("streams_new(void): can not allocate memory for new stream: %s", strerror(errno));
73    ROAR_DBG("streams_new(void) = -1");
74    return -1;
75   }
76
77   n->id         = i;
78   n->fh         = -1;
79   n->pos_rel_id = -1;
80/*
81   n->database   = NULL;
82   n->dataoff    = NULL;
83   n->datalen    = 0;
84   n->offset     = 0;
85*/
86   n->pos        = 0;
87
88   s->name            = NULL;
89
90   s->state           = ROAR_STREAMSTATE_INITING;
91
92   s->client          = -1;
93   s->socktype        = ROAR_SOCKET_TYPE_UNKNOWN;
94   s->buffer          = NULL;
95   s->need_extra      =  0;
96   s->output          = NULL;
97   s->is_new          =  1;
98   s->codecfilter     = -1;
99   s->pre_underruns   =  0;
100   s->post_underruns  =  0;
101   s->delay           =  0;
102   s->codec_orgi      = -1;
103   s->primary         =  0;
104   s->ready           =  0;
105   s->outputbuffer    = NULL;
106   s->prethru         = NULL;
107   s->mixer_stream    = -1;
108
109   s->mixer.scale     = 65535;
110   s->mixer.rpg_mul   = 1;
111   s->mixer.rpg_div   = 1;
112   for (j = 0; j < ROAR_MAX_CHANNELS; j++)
113    s->mixer.mixer[j] = 65535;
114
115#ifdef ROAR_SUPPORT_META
116   for (j = 0; j < ROAR_META_MAX_PER_STREAM; j++) {
117    s->meta[j].type   = ROAR_META_TYPE_NONE;
118    s->meta[j].key[0] = 0;
119    s->meta[j].value  = NULL;
120   }
121#endif
122
123   roar_vio_init_calls(&(s->vio));
124   roar_vio_init_calls(&(s->jumbo));
125   s->viop      = &(s->vio);
126   s->driver_id = -1;
127   s->flags     =  ROAR_FLAG_NONE;
128
129   //roardsp_fchain_init(&(s->fc));
130
131   g_streams[i] = s;
132   ROAR_DBG("streams_new(void): n->id=%i", n->id);
133   ROAR_DBG("streams_new(void) = %i", i);
134   return i;
135  }
136 }
137
138 return -1;
139}
140
141int streams_delete (int id) {
142 struct roar_stream_server * s;
143 int prim;
144 int no_vio_close = 0;
145 int i;
146 int client;
147
148 _CHECK_SID(id);
149
150 if ( (s = g_streams[id]) == NULL )
151  return 0;
152
153 ROAR_DBG("streams_delete(id=%i) = ?", id);
154 ROAR_DBG("streams_delete(id=%i): g_streams[id]->id=%i", id, ROAR_STREAM(s)->id);
155
156 // in case we are allready closing it...
157 if ( s->state == ROAR_STREAMSTATE_CLOSING )
158  return 0;
159
160 s->state = ROAR_STREAMSTATE_CLOSING;
161
162 if ( streams_get_flag(id, ROAR_FLAG_RECSOURCE) == 1 )
163  streams_reset_flag(id, ROAR_FLAG_RECSOURCE);
164
165 for (i = 0; i < ROAR_STREAMS_MAX; i++) {
166  if ( g_streams[i] != NULL && ROAR_STREAM(g_streams[i])->pos_rel_id == id ) {
167   switch (ROAR_STREAM(g_streams[i])->dir) {
168    case ROAR_DIR_THRU:
169    case ROAR_DIR_RAW_IN:
170      if ( i != id )
171       streams_delete(i);
172     break;
173    default:
174      if ( streams_get_flag(i, ROAR_FLAG_VIRTUAL) == 1 ) {
175       if ( i != id ) {
176        ROAR_DBG("streams_delete(id=%i): Deleting virtual child stream %i", id, i);
177        streams_delete(i);
178       }
179      } else {
180       ROAR_STREAM(g_streams[i])->pos_rel_id = -1;
181      }
182   }
183  }
184 }
185
186 if ( ROAR_STREAM(s)->dir == ROAR_DIR_THRU )
187  streams_thru_num--;
188
189 if ( streams_get_flag(id, ROAR_FLAG_VIRTUAL) == 1 ) {
190  // we un-group the stream here to avoid a client deleting the parent deleting the client deleting ...
191  i      = ROAR_STREAM(s)->pos_rel_id;
192  if ( i != -1 ) {
193   ROAR_STREAM(s)->pos_rel_id = -1;
194   client = streams_get_client(id);
195   streams_set_client(id, -1);
196   ROAR_DBG("streams_delete(id=%i): Stream has flag virtual, notifying parent stream %i", id, i);
197   streams_ctl(i, ROAR_CODECFILTER_CTL_VIRTUAL_DELETE|ROAR_STREAM_CTL_TYPE_INT, &id);
198   ROAR_DBG("streams_delete(id=%i): Notify send to stream %i", id, i);
199   streams_set_client(id, client);
200   ROAR_STREAM(s)->pos_rel_id = i;
201  }
202 }
203
204#ifdef ROAR_SUPPORT_META
205 // delete meta data form other meta streams if needed
206 if ( streams_get_flag(id, ROAR_FLAG_META) == 1 ) {
207  ROAR_DBG("streams_delete(id=%i): deleting meta stream!", id);
208  stream_meta_clear(id);
209  stream_meta_finalize(id);
210 }
211#endif
212
213 if ( s->codecfilter != -1 ) {
214  codecfilter_close(s->codecfilter_inst, s->codecfilter);
215  s->codecfilter_inst = NULL;
216  s->codecfilter = -1;
217 }
218
219 if ( s->driver_id != -1 ) {
220  driver_closevio(&(s->vio), s->driver_id);
221  roar_vio_init_calls(&(s->vio));
222  s->driver_id = -1;
223  no_vio_close =  1;
224 }
225
226 //roardsp_fchain_uninit(&(s->fc));
227
228 if ( s->client != -1 ) {
229  ROAR_DBG("streams_delete(id=%i): Stream is owned by client %i", id, g_streams[id]->client);
230  client_stream_delete(s->client, id);
231 }
232
233 stream_outputbuffer_destroy(id);
234 stream_prethru_destroy(id);
235
236 if ( s->buffer != NULL )
237  roar_buffer_free(s->buffer);
238
239 if ( s->output != NULL )
240  free(s->output);
241
242/*
243 if ( ROAR_STREAM(s)->fh != -1 )
244  close(ROAR_STREAM(s)->fh);
245*/
246
247 if ( !no_vio_close )
248  roar_vio_close(s->viop);
249
250 prim = s->primary;
251
252 if ( s->name != NULL )
253  free(s->name);
254
255 roar_mm_free(s);
256
257 g_streams[id] = NULL;
258
259 if ( prim ) {
260  alive = 0;
261  clean_quit();
262 }
263
264 ROAR_DBG("streams_delete(id=%i) = 0", id);
265 return 0;
266}
267
268int streams_set_client (int id, int client) {
269
270 _CHECK_SID(id);
271
272 ROAR_DBG("streams_set_client(id=%i): g_streams[id]->id=%i", id, ROAR_STREAM(g_streams[id])->id);
273 g_streams[id]->client = client;
274
275 return 0;
276}
277
278int streams_get_client (int id) {
279 _CHECK_SID(id);
280
281 return g_streams[id]->client;
282}
283
284int streams_set_dir    (int id, int dir, int defaults) {
285 struct roar_stream_server * ss;
286
287 _CHECK_SID(id);
288
289 if ( (ss = g_streams[id]) == NULL )
290  return -1;
291
292 ROAR_STREAM(ss)->dir = dir;
293
294 if ( dir == ROAR_DIR_THRU )
295  streams_thru_num++;
296
297 if ( defaults ) {
298  if ( dir <= 0 || dir >= ROAR_DIR_DIRIDS )
299   return -1;
300
301  ROAR_DBG("streams_set_dir(*): g_config->streams[dir=%i].flags = 0x%.4x", dir, g_config->streams[dir].flags);
302
303  if ( streams_set_flag(id, g_config->streams[dir].flags) == -1 ) {
304   ROAR_DBG("streams_set_dir(*) = -1 // can not set stream flags");
305   return -1;
306  }
307
308   ss->mixer.scale   = g_config->streams[dir].mixer.scale;
309   ss->mixer.rpg_mul = g_config->streams[dir].mixer.rpg_mul;
310   ss->mixer.rpg_div = g_config->streams[dir].mixer.rpg_div;
311 }
312
313 if ( dir != ROAR_DIR_MIXING ) {
314  switch (streams_get_subsys(id)) {
315   case ROAR_SUBSYS_WAVEFORM:
316     streams_set_mixer_stream(id, g_waveform_mixer.stream);
317    break;
318#ifndef ROAR_WITHOUT_DCOMP_MIDI
319   case ROAR_SUBSYS_MIDI:
320     streams_set_mixer_stream(id, g_midi_mixer.stream);
321    break;
322#endif
323#ifndef ROAR_WITHOUT_DCOMP_LIGHT
324   case ROAR_SUBSYS_LIGHT:
325     streams_set_mixer_stream(id, g_light_mixer.stream);
326    break;
327#endif
328  }
329 } else {
330  streams_set_mixer_stream(id, id);
331 }
332
333 ROAR_DBG("streams_set_dir(*) = 0");
334 return 0;
335}
336
337int streams_get_dir    (int id) {
338 struct roar_stream_server * ss;
339
340 _CHECK_SID(id);
341
342 if ( (ss = g_streams[id]) == NULL )
343  return -1;
344
345 return ROAR_STREAM(ss)->dir;
346}
347
348int streams_set_mixer_stream(int id, int mixer) {
349 struct roar_stream_server * ss;
350
351 _CHECK_SID(id);
352
353 if ( (ss = g_streams[id]) == NULL )
354  return -1;
355
356 ss->mixer_stream = mixer;
357
358 return 0;
359}
360
361int streams_get_mixer_stream(int id, int mixer) {
362 struct roar_stream_server * ss;
363
364 _CHECK_SID(id);
365
366 if ( (ss = g_streams[id]) == NULL )
367  return -1;
368
369 return ss->mixer_stream;
370}
371
372int streams_get_subsys (int id) {
373 struct roar_stream_server * ss;
374
375 _CHECK_SID(id);
376
377 if ( (ss = g_streams[id]) == NULL )
378  return -1;
379
380 switch (ROAR_STREAM(ss)->dir) {
381  case ROAR_DIR_PLAY:
382  case ROAR_DIR_RECORD:
383  case ROAR_DIR_MONITOR:
384  case ROAR_DIR_FILTER:
385  case ROAR_DIR_OUTPUT:
386  case ROAR_DIR_BIDIR:
387    return ROAR_SUBSYS_WAVEFORM;
388   break;
389  case ROAR_DIR_MIDI_IN:
390  case ROAR_DIR_MIDI_OUT:
391    return ROAR_SUBSYS_MIDI;
392   break;
393  case ROAR_DIR_LIGHT_IN:
394  case ROAR_DIR_LIGHT_OUT:
395    return ROAR_SUBSYS_LIGHT;
396   break;
397  case ROAR_DIR_RAW_IN:
398  case ROAR_DIR_RAW_OUT:
399    return ROAR_SUBSYS_RAW;
400   break;
401  case ROAR_DIR_COMPLEX_IN:
402  case ROAR_DIR_COMPLEX_OUT:
403    return ROAR_SUBSYS_COMPLEX;
404   break;
405  case ROAR_DIR_THRU:
406    return streams_get_subsys(ROAR_STREAM(ss)->pos_rel_id);
407   break;
408 }
409
410 return -1;
411}
412
413#define _err() streams_delete(id); return -1;
414int streams_new_virtual (int parent, struct roar_stream_server ** stream) {
415 struct roar_stream_server * parent_ss, * ss;
416 struct roar_stream        * parent_s , *  s;
417 int id = -1;
418 int client, dir;
419
420 if ( streams_get(parent, &parent_ss) == -1 )
421  return -1;
422
423 if ( (client = streams_get_client(parent)) == -1 )
424  return -1;
425
426 if ( (dir = streams_get_dir(parent)) == -1 )
427  return -1;
428
429 if ( (id = streams_new()) == -1 ) {
430  return -1;
431 }
432
433 if ( client_stream_add(client, id) == -1 ) {
434  _err();
435 }
436
437 if ( streams_get(id, &ss) == -1 ) {
438  _err();
439 }
440
441 if ( streams_set_dir(id, dir, 1) == -1 ) {
442  _err();
443 }
444
445 s        = ROAR_STREAM(       ss);
446 parent_s = ROAR_STREAM(parent_ss);
447
448 s->pos_rel_id = parent;
449
450 if ( streams_set_rawflag(id, ROAR_FLAG_VIRTUAL) == -1 ) {
451  _err();
452 }
453
454 if ( stream != NULL )
455  *stream = ss;
456
457 return id;
458}
459#undef _err
460
461int streams_set_fh     (int id, int fh) {
462 struct roar_stream_server * ss;
463 struct roar_stream        * s;
464 int dir;
465 int nonblock = 1;
466
467 _CHECK_SID(id);
468
469 if ( (s = ROAR_STREAM(ss = g_streams[id])) == NULL )
470  return -1;
471
472 dir = ROAR_STREAM(ss)->dir;
473
474 ROAR_DBG("streams_set_fh(id=%i): g_streams[id]->id=%i", id, s->id);
475
476 s->fh = fh;
477
478 ROAR_DBG("streams_set_fh(id=%i, fh=%i): driverID=%i", id, fh, ss->driver_id);
479
480 if ( ss->driver_id == -1 && fh != -2 ) {
481#ifndef ROAR_TARGET_WIN32
482  roar_vio_set_fh(&(ss->vio), fh);
483#else
484  roar_vio_open_fh_socket(&(ss->vio), fh);
485#endif
486 }
487
488 ROAR_DBG("streams_set_fh(id=%i, fh=%i) = ?", id, fh);
489
490 switch (dir) {
491  case ROAR_DIR_THRU:
492  case ROAR_DIR_RAW_IN:
493  case ROAR_DIR_RAW_OUT:
494   break;
495  default:
496    if ( codecfilter_open(&(ss->codecfilter_inst), &(ss->codecfilter), NULL,
497                     s->info.codec, ss) == -1 ) {
498     streams_delete(id); // TODO: FIXME: is this correct? shoudn't we return -1 in any case here?
499     return -1;
500    }
501   break;
502 }
503
504 ROAR_DBG("streams_set_fh(id=%i, fh=%i) = ?", id, fh);
505
506 if ( fh == -2 ) {
507  ROAR_DBG("streams_set_fh(id=%i, fh=%i) = ?", id, fh);
508  if ( roar_vio_ctl(&(ss->vio), ROAR_VIO_CTL_GET_READ_FH, &fh) == -1 ) {
509   fh = -2;
510  } else {
511   ROAR_DBG("streams_set_fh(id=%i, fh=%i) = ?", id, fh);
512   if ( fh < 0 ) {
513    fh = -2;
514   } else {
515    s->fh = fh;
516   }
517  }
518 }
519
520 ROAR_DBG("streams_set_fh(id=%i, fh=%i) = ?", id, fh);
521
522 if ( fh == -1 || fh == -2 ) { // yes, this is valid, indecats full vio!
523  ss->ready = 1;
524  ss->state = ROAR_STREAMSTATE_NEW;
525  return 0;
526 }
527
528 ROAR_DBG("streams_set_fh(id=%i, fh=%i) = ?", id, fh);
529
530// roar_socket_recvbuf(fh, ROAR_OUTPUT_CALC_OUTBUFSIZE( &(ROAR_STREAM(g_streams[id])->info) )); // set recv buffer to minimum
531
532 switch (dir) {
533  case ROAR_DIR_MONITOR:
534  case ROAR_DIR_RECORD:
535  case ROAR_DIR_OUTPUT:
536  case ROAR_DIR_MIDI_OUT:
537  case ROAR_DIR_LIGHT_OUT:
538  case ROAR_DIR_RAW_OUT:
539    ROAR_SHUTDOWN(fh, SHUT_RD);
540   break;
541 }
542
543 if ( dir >= ROAR_DIR_DIRIDS )
544  return -1;
545
546 if ( g_config->streams[dir].flags & ROAR_FLAG_SYNC ) {
547  switch (dir) {
548   case ROAR_DIR_BRIDGE:
549   case ROAR_DIR_MIDI_OUT:
550    break;
551   default:
552     nonblock = 0;
553    break;
554  }
555 }
556
557
558 if ( !nonblock ) {
559  ss->ready = 1;
560  ss->state = ROAR_STREAMSTATE_NEW;
561
562  ROAR_DBG("streams_set_fh(id=%i, fh=%i) = 0", id, fh);
563  return 0;
564 } else {
565#ifndef ROAR_TARGET_WIN32
566  if ( roar_socket_nonblock(fh, ROAR_SOCKET_NONBLOCK) == -1 )
567   return -1;
568#endif
569
570  ss->ready = 1;
571  ss->state = ROAR_STREAMSTATE_NEW;
572
573  ROAR_DBG("streams_set_fh(id=%i, fh=%i) = 0", id, fh);
574  return 0;
575 }
576}
577
578int streams_get_fh     (int id) {
579 _CHECK_SID(id);
580
581 return ROAR_STREAM(g_streams[id])->fh;
582}
583
584int streams_set_null_io(int id) {
585 struct roar_stream_server * ss;
586 struct roar_stream        * s;
587
588 _CHECK_SID(id);
589
590 if ( (s = ROAR_STREAM(ss = g_streams[id])) == NULL )
591  return -1;
592
593 s->fh = -1;
594
595 return 0;
596}
597
598int streams_get    (int id, struct roar_stream_server ** stream) {
599 _CHECK_SID(id);
600
601 *stream = g_streams[id];
602
603 return 0;
604}
605
606int streams_set_socktype (int id, int socktype) {
607 _CHECK_SID(id);
608
609 g_streams[id]->socktype = socktype;
610
611 return 0;
612}
613
614int streams_get_socktype (int id) {
615 _CHECK_SID(id);
616
617 return g_streams[id]->socktype;
618}
619
620int streams_set_primary (int id, int prim) {
621 _CHECK_SID(id);
622
623 g_streams[id]->primary = prim;
624
625 return 0;
626}
627
628int streams_mark_primary (int id) {
629 return streams_set_primary(id, 1);
630}
631
632int streams_set_sync     (int id, int sync) {
633 int fh = streams_get_fh(id);
634
635 _CHECK_SID(id);
636
637 if ( fh != -1 ) {
638  if ( roar_socket_nonblock(fh, sync ? ROAR_SOCKET_BLOCK : ROAR_SOCKET_NONBLOCK) == -1 )
639   return -1;
640
641#ifdef ROAR_FDATASYNC
642  ROAR_FDATASYNC(fh);
643#endif
644
645  return 0;
646 } else {
647  return roar_vio_nonblock(&(g_streams[id]->vio), sync);
648 }
649}
650
651int streams_set_mmap (int id, int reset) {
652 int use = !reset;
653
654 _CHECK_SID(id);
655
656 return roar_vio_ctl(&(g_streams[id]->vio), ROAR_VIO_CTL_SET_UMMAP, &use);
657}
658
659int streams_set_flag     (int id, int flag) {
660 int parent;
661
662 _CHECK_SID(id);
663
664 if ( flag & ROAR_FLAG_IMMUTABLE )
665  flag |= ROAR_FLAG_PRIMARY;
666
667 if ( flag & ROAR_FLAG_MMAP )
668  if ( streams_set_mmap(id, 0) == -1 )
669   flag -= ROAR_FLAG_MMAP;
670
671 if ( flag & ROAR_FLAG_PRIMARY ) {
672  streams_set_primary(id, 1);
673  flag -= ROAR_FLAG_PRIMARY;
674 }
675
676 if ( flag & ROAR_FLAG_VIRTUAL ) {
677  if ( (parent = ROAR_STREAM(g_streams[id])->pos_rel_id) == -1 )
678   return -1;
679
680  if ( streams_ctl(parent, ROAR_CODECFILTER_CTL_VIRTUAL_NEW|ROAR_STREAM_CTL_TYPE_INT, &id) == -1 ) {
681//   flag -= ROAR_FLAG_VIRTUAL;
682   return -1;
683  }
684
685  if ( client_stream_move(streams_get_client(parent), id) == -1 ) {
686   return -1;
687  }
688 }
689
690 if ( flag & ROAR_FLAG_SYNC ) {
691  switch (ROAR_STREAM(g_streams[id])->dir) {
692   // for this stream types the flag is used in the subsystem:
693   case ROAR_DIR_BRIDGE:
694   case ROAR_DIR_MIDI_OUT:
695    break;
696
697   // normal behavor (vio blocking):
698   default:
699     // the fh is updated as soon as the fh get ready in case the default ask to set sync
700     if ( !g_streams[id]->ready && !(g_config->streams[ROAR_STREAM(g_streams[id])->dir].flags & ROAR_FLAG_SYNC) ) {
701      if ( streams_set_sync(id, 1) == -1 )
702       flag -= ROAR_FLAG_SYNC;
703     }
704  }
705 }
706
707 if ( flag & ROAR_FLAG_HWMIXER ) { // currently not supported -> ignored
708  g_streams[id]->flags |= flag;
709  if ( streams_set_mixer(id) == -1 ) {
710   g_streams[id]->flags -= flag;
711   return -1;
712  }
713 }
714
715 if ( flag & ROAR_FLAG_RECSOURCE ) {
716  if ( streams_recsource_id != -1 ) {
717   if ( streams_reset_flag(streams_recsource_id, ROAR_FLAG_RECSOURCE) == -1 )
718    return -1;
719  }
720
721  streams_recsource_id = id;
722 }
723
724 g_streams[id]->flags |= flag;
725
726#ifdef ROAR_SUPPORT_META
727 if ( flag & ROAR_FLAG_META )
728  stream_meta_finalize(id);
729#endif
730
731 return 0;
732}
733
734int streams_set_rawflag  (int id, int flag) {
735 _CHECK_SID(id);
736
737 g_streams[id]->flags |= flag;
738
739 return 0;
740}
741
742int streams_reset_flag   (int id, int flag) {
743 _CHECK_SID(id);
744
745 if ( g_streams[id]->flags & ROAR_FLAG_IMMUTABLE ) {
746  flag |= ROAR_FLAG_PRIMARY;
747  flag -= ROAR_FLAG_PRIMARY;
748 }
749
750 if ( flag & ROAR_FLAG_RECSOURCE )
751  if ( streams_recsource_id == id )
752   streams_recsource_id = -1;
753
754 if ( flag & ROAR_FLAG_MMAP )
755  if ( streams_set_mmap(id, 1) == -1 )
756   flag -= ROAR_FLAG_MMAP;
757
758 if ( flag & ROAR_FLAG_PRIMARY ) {
759  streams_set_primary(id, 0);
760  flag -= ROAR_FLAG_PRIMARY;
761 }
762
763 if ( flag & ROAR_FLAG_SYNC ) {
764  // we refuse to reset the flag on FILTER streams
765  if ( streams_get_dir(id) == ROAR_DIR_FILTER ) {
766//   flags -= ROAR_FLAG_SYNC;
767   return -1;
768  } else {
769   streams_set_sync(id, 0);
770  }
771 }
772
773 g_streams[id]->flags |= flag;
774 g_streams[id]->flags -= flag;
775
776 return 0;
777}
778
779int streams_get_flag     (int id, int flag) {
780 _CHECK_SID(id);
781
782 return g_streams[id]->flags & flag ? 1 : 0;
783}
784
785int streams_set_name     (int id, char * name) {
786 char * str;
787
788 _CHECK_SID(id);
789
790 if ( (str = strdup(name)) == NULL )
791  return -1;
792
793 if ( g_streams[id]->name != NULL )
794  free(g_streams[id]->name);
795
796 g_streams[id]->name = str;
797
798 return 0;
799}
800
801char * streams_get_name  (int id) {
802 _CHECK_SID_RET(id, NULL);
803
804 return g_streams[id]->name;
805}
806
807
808int streams_calc_delay    (int id) {
809 struct roar_stream_server * ss;
810 struct roar_stream        * s;
811 register uint_least32_t d = 0;
812 uint_least32_t t[1];
813 uint64_t       tmp;
814
815 _CHECK_SID(id);
816
817 if ( (s = ROAR_STREAM(ss = g_streams[id])) == NULL )
818  return -1;
819
820 // mixer store there value in ss->delay directly
821 if ( s->dir == ROAR_DIR_MIXING )
822  return 0;
823
824 if ( ss->codecfilter != -1 ) {
825  if ( codecfilter_delay(ss->codecfilter_inst, ss->codecfilter, t) != -1 )
826   d += *t;
827 }
828
829 if ( ss->vio.ctl != NULL ) {
830  if ( roar_vio_ctl(&(ss->vio), ROAR_VIO_CTL_GET_DELAY, t) != -1 ) { // *t is in byte
831   ROAR_DBG("streams_calc_delay(id=%i): VIO delay in byte: %i", id, *t);
832   tmp = *t;
833   tmp *= 1000000; // musec per sec
834   tmp /= s->info.rate * s->info.channels * (s->info.bits/8);
835   ROAR_DBG("streams_calc_delay(id=%i): VIO delay in musec: %llu", id, tmp);
836
837   d += tmp;
838  }
839 }
840
841 ROAR_DBG("streams_calc_delay(id=%i): delay in musec: %i", id, d);
842
843 ss->delay = d;
844
845 return 0;
846}
847
848int streams_set_mixer    (int id) {
849 struct roar_stream_server * ss;
850 struct roar_stream_server * pmss;
851 int i;
852 int subsys;
853
854 _CHECK_SID(id);
855
856 if ( (ss = g_streams[id]) == NULL )
857  return -1;
858
859 if ( streams_get_flag(id, ROAR_FLAG_PASSMIXER) == 1 ) {
860  if ( (subsys = streams_get_subsys(id)) == -1 )
861   return -1;
862
863  for (i = 0; i < ROAR_STREAMS_MAX; i++) {
864   if ( (pmss = g_streams[i]) != NULL ) {
865    if ( streams_get_flag(i, ROAR_FLAG_PASSMIXER) == 1 ) {
866     if ( streams_get_subsys(i) == subsys ) {
867      memcpy(&(pmss->mixer), &(ss->mixer), sizeof(struct roar_mixer_settings));
868
869      // update hwmixers and the like but do not set mixer value recrusivly.
870      streams_reset_flag(i, ROAR_FLAG_PASSMIXER);
871      streams_set_mixer(i);
872      streams_set_flag(i, ROAR_FLAG_PASSMIXER);
873     }
874    }
875   }
876  }
877 }
878
879 if ( !streams_get_flag(id, ROAR_FLAG_HWMIXER) )
880  return 0;
881
882 if ( ss->driver_id == -1 )
883  return 0;
884
885 return driver_set_volume(id, &(ss->mixer));
886}
887
888int streams_ctl          (int id, int_least32_t cmd, void * data) {
889 struct roar_stream_server * ss;
890 int_least32_t comp;
891
892 _CHECK_SID(id);
893
894 if ( (ss = g_streams[id]) == NULL )
895  return -1;
896
897 comp = cmd & ROAR_STREAM_CTL_COMPMASK;
898
899 cmd &= ~comp;
900
901 ROAR_DBG("streams_ctl(id=%i, cmd=?, data=%p): comp=0x%.8x, cmd=0x%.4x", id, data, comp, cmd);
902
903 switch (comp) {
904  case ROAR_STREAM_CTL_COMP_BASE:
905   break;
906  case ROAR_STREAM_CTL_COMP_CF:
907    return codecfilter_ctl(ss->codecfilter_inst, ss->codecfilter, cmd, data);
908   break;
909  case ROAR_STREAM_CTL_COMP_DRV:
910   break;
911  default:
912   return -1;
913 }
914
915 return -1;
916}
917
918int streams_get_outputbuffer  (int id, void ** buffer, size_t size) {
919 _CHECK_SID(id);
920
921 // output buffer size does never change.
922 if ( g_streams[id]->output != NULL ) {
923  *buffer = g_streams[id]->output;
924  return 0;
925 }
926
927 if ( (g_streams[id]->output = malloc(size)) == NULL ) {
928  ROAR_ERR("streams_get_outputbuffer(*): Can not alloc: %s", strerror(errno));
929  return -1;
930 }
931
932 *buffer = g_streams[id]->output;
933
934 return 0;
935}
936
937int streams_fill_mixbuffer2 (int id, struct roar_audio_info * info) {
938 size_t   outlen = ROAR_OUTPUT_CALC_OUTBUFSIZE(info);
939 void   * outdata;
940 size_t   inlen;
941 size_t   inlen_got;
942 void   * indata = NULL;
943 size_t   buflen;
944 void   * bufdata = NULL;
945 struct roar_buffer * bufbuf = NULL;
946 int      is_the_same = 0;
947 struct roar_audio_info    * stream_info;
948 struct roar_stream        * s;
949 struct roar_stream_server * ss;
950
951 _CHECK_SID(id);
952
953 if ( (s = ROAR_STREAM(ss = g_streams[id])) == NULL )
954  return -1;
955
956 // set up stream_info
957 stream_info = &(s->info);
958
959 // calc todo_in
960 inlen = ROAR_OUTPUT_CALC_OUTBUFSIZE(stream_info);
961
962 buflen = ROAR_OUTPUT_CALC_OUTBUFSIZE_MAX(info, stream_info);
963
964 ROAR_DBG("streams_fill_mixbuffer2(id=%i, info=%p{...}): inlen=%lu, buflen=%lu", id, info, (unsigned long)inlen, (unsigned long)buflen);
965
966 if ( inlen == 0 ) {
967  ROAR_WARN("streams_fill_mixbuffer2(id=%i, info=%p{...}): inlen == 0, this should not happen!", id, info);
968  return -1;
969 }
970
971 if ( streams_get_outputbuffer(id, &outdata, outlen) == -1 ) {
972  return -1;
973 }
974
975 if ( outdata == NULL ) {
976  return -1;
977 }
978
979 ROAR_DBG("streams_fill_mixbuffer2(*): outdata=%p, len=%i->%i (in->out)", outdata, inlen, outlen);
980
981 is_the_same = stream_info->rate     == info->rate     && stream_info->bits  == info->bits &&
982               stream_info->channels == info->channels && stream_info->codec == info->codec;
983
984 ROAR_DBG("streams_fill_mixbuffer2(*): is_the_same=%i", is_the_same);
985
986 if ( !is_the_same && buflen > outlen ) {
987/*
988  // this is not supported at the moment
989  memset(outdata, 0, outlen);
990  return -1;
991*/
992
993  if ( roar_buffer_new(&bufbuf, buflen) == -1 )
994   return -1;
995
996  if ( roar_buffer_get_data(bufbuf, &bufdata) == -1 )
997   return -1;
998  indata  = bufdata;
999 } else {
1000  indata  = outdata;
1001  bufdata = outdata;
1002 }
1003
1004 inlen_got = inlen;
1005
1006 ROAR_DBG("streams_fill_mixbuffer2(id=%i, info=...): inlen_got=%u", id, inlen_got);
1007
1008 if ( stream_shift_out_buffer(id, indata, &inlen_got) == -1 ) {
1009  if ( ss->is_new ) {
1010   ss->pre_underruns++;
1011  } else {
1012   ROAR_WARN("streams_fill_mixbuffer2(id=%i, info=...): underrun in stream", id);
1013   ss->post_underruns++;
1014  }
1015  memset(outdata, 0, outlen);
1016  return 0;
1017 }
1018
1019 ROAR_DBG("streams_fill_mixbuffer2(id=%i, info=...): inlen_got=%u", id, inlen_got);
1020
1021 if ( ss->is_new ) {
1022  ss->state = ROAR_STREAMSTATE_OLD;
1023  ROAR_INFO("streams_fill_mixbuffer2(id=%i, info=...): stream state: new->old", ROAR_DBG_INFO_VERBOSE, id);
1024 }
1025
1026 ss->is_new = 0;
1027
1028 if ( is_the_same ) {
1029  if ( indata != outdata )
1030   memcpy(outdata, indata, inlen);
1031
1032  if ( inlen < outlen )
1033   memset(outdata+inlen, 0, outlen-inlen);
1034 } else {
1035//  if ( roar_conv(outdata, indata, (8*inlen_got*info->rate)/(stream_info->rate * stream_info->bits), stream_info, info) == -1 ) {
1036  ROAR_DBG("streams_fill_mixbuffer2(*): CALL roar_conv2(*)...");
1037  if ( roar_conv2(bufdata, indata, inlen, stream_info, info, buflen) == -1 ) {
1038   if ( bufbuf != NULL )
1039    roar_buffer_free(bufbuf);
1040   return -1;
1041  }
1042
1043//  memset(outdata, 0, outlen);
1044 }
1045
1046 if ( bufbuf != NULL ) {
1047  memcpy(outdata, bufdata, outlen);
1048  roar_buffer_free(bufbuf);
1049 }
1050
1051 if ( !streams_get_flag(id, ROAR_FLAG_HWMIXER) && !streams_get_flag(id, ROAR_FLAG_PASSMIXER) ) {
1052  ROAR_DBG("streams_fill_mixbuffer2(*): CALL roar_amp_pcm(*)...");
1053  if ( roar_amp_pcm(outdata, info->bits, outdata, 8*outlen / info->bits, info->channels, &(ss->mixer)) == -1 )
1054   return -1;
1055 }
1056
1057 if ( streams_get_flag(id, ROAR_FLAG_ANTIECHO) ) {
1058  ROAR_DBG("streams_fill_mixbuffer2(*): Calcing antiecho...");
1059  // we can ignore errors here:
1060  if ( stream_outputbuffer_request(id, &bufbuf, buflen) == 0 ) {
1061   if ( roar_buffer_get_data(bufbuf, &bufdata) != -1 )
1062    memcpy(bufdata, outdata, outlen);
1063  }
1064 }
1065
1066 s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(info, outlen)*info->channels);
1067
1068 ROAR_DBG("streams_fill_mixbuffer2(*) = 0");
1069 return 0;
1070}
1071
1072
1073int streams_get_mixbuffers (void *** bufferlist, struct roar_audio_info * info, unsigned int pos) {
1074 static void * bufs[ROAR_STREAMS_MAX+1];
1075 int i;
1076 int have = 0;
1077 int dir;
1078
1079 for (i = 0; i < ROAR_STREAMS_MAX; i++) {
1080  if ( g_streams[i] != NULL ) {
1081   dir = streams_get_dir(i);
1082
1083   switch (dir) {
1084    case ROAR_DIR_PLAY:
1085    case ROAR_DIR_BIDIR:
1086     break;
1087    case ROAR_DIR_BRIDGE:
1088      if ( g_streams[i]->buffer == NULL )
1089       continue;
1090     break;
1091    default:
1092      continue;
1093   }
1094
1095   if ( streams_get_flag(i, ROAR_FLAG_PAUSE) )
1096    continue;
1097
1098   if ( streams_get_outputbuffer(i, &bufs[have], ROAR_OUTPUT_CALC_OUTBUFSIZE(info)) == -1 ) {
1099    ROAR_ERR("streams_get_mixbuffer(*): Can not alloc output buffer for stream %i, BAD!", i);
1100    ROAR_ERR("streams_get_mixbuffer(*): Ignoring stream for this round.");
1101    continue;
1102   }
1103   if ( streams_fill_mixbuffer2(i, info) == -1 ) {
1104    ROAR_ERR("streams_get_mixbuffer(*): Can not fill output buffer for stream %i, this should not happen", i);
1105    continue;
1106   }
1107
1108//   printf("D: bufs[have=%i] = %p\n", have, bufs[have]);
1109
1110   ROAR_DBG("streams_get_mixbuffers(*):  bufs[have] = %p", bufs[have]);
1111   ROAR_DBG("streams_get_mixbuffers(*): *bufs[have] = 0x%08x...", *(uint32_t*)bufs[have]);
1112
1113   if ( !streams_get_flag(i, ROAR_FLAG_MUTE) )
1114    have++; // we have a new stream!
1115  }
1116 }
1117
1118 bufs[have] = NULL;
1119 //printf("D: bufs[have=%i] = %p\n", have, bufs[have]);
1120
1121 ROAR_DBG("streams_get_mixbuffers(*): have = %i", have);
1122
1123 *bufferlist = bufs;
1124 return have;
1125}
1126
1127
1128int stream_add_buffer  (int id, struct roar_buffer * buf) {
1129 ROAR_DBG("stream_add_buffer(id=%i, buf=%p) = ?", id, buf);
1130
1131 _CHECK_SID(id);
1132
1133 if ( g_streams[id]->buffer == NULL ) {
1134  g_streams[id]->buffer = buf;
1135  ROAR_DBG("stream_add_buffer(id=%i, buf=%p) = 0", id, buf);
1136  return 0;
1137 }
1138
1139 ROAR_DBG("stream_add_buffer(id=%i, buf=%p) = ?", id, buf);
1140 return roar_buffer_add(g_streams[id]->buffer, buf);
1141}
1142
1143int stream_shift_out_buffer   (int id, void * data, size_t * len) {
1144 _CHECK_SID(id);
1145
1146 if ( g_streams[id]->buffer == NULL )
1147  return -1;
1148
1149 return roar_buffer_shift_out(&(g_streams[id]->buffer), data, len);
1150}
1151
1152int stream_shift_buffer   (int id, struct roar_buffer ** buf) {
1153 struct roar_buffer * next;
1154
1155 _CHECK_SID(id);
1156
1157 if ( g_streams[id]->buffer == NULL ) {
1158  *buf = NULL;
1159  return 0;
1160 }
1161
1162 roar_buffer_get_next(g_streams[id]->buffer, &next);
1163
1164 *buf                  = g_streams[id]->buffer;
1165 g_streams[id]->buffer = next;
1166
1167 return 0;
1168}
1169int stream_unshift_buffer (int id, struct roar_buffer *  buf) {
1170 _CHECK_SID(id);
1171
1172 if ( g_streams[id]->buffer == NULL ) {
1173  g_streams[id]->buffer = buf;
1174  return 0;
1175 }
1176
1177 buf->next = NULL;
1178
1179 roar_buffer_add(buf, g_streams[id]->buffer);
1180
1181 g_streams[id]->buffer = buf;
1182
1183 return 0;
1184}
1185
1186int stream_outputbuffer_request(int id, struct roar_buffer ** buf, size_t len) {
1187 register struct roar_stream_server *  ss;
1188 size_t buflen;
1189 void * bufdata;
1190 int ret;
1191
1192 _CHECK_SID(id);
1193
1194 if ( (ss = g_streams[id]) == NULL )
1195  return -1;
1196
1197 if ( buf != NULL ) /* just be be sure */
1198  *buf = NULL;
1199
1200 if ( ss->outputbuffer != NULL ) {
1201  if ( roar_buffer_get_len(ss->outputbuffer, &buflen) == 0 ) {
1202   if ( buflen == len ) {
1203    if ( buf != NULL )
1204     *buf = ss->outputbuffer;
1205    return 0;
1206   } else if ( buflen > len ) {
1207    if ( roar_buffer_set_len(ss->outputbuffer, len) == 0 ) {
1208     if ( buf != NULL )
1209      *buf = ss->outputbuffer;
1210     return 0;
1211    }
1212   }
1213  }
1214
1215  // if the buffer is not suitable:
1216
1217  ret = roar_buffer_free(ss->outputbuffer);
1218  ss->outputbuffer = NULL;
1219  if ( ret == -1 )
1220   return ret;
1221 }
1222
1223 if ( roar_buffer_new(&(ss->outputbuffer), len) == -1 )
1224  return -1;
1225
1226 if ( roar_buffer_get_data(ss->outputbuffer, &bufdata) == -1 ) {
1227  roar_buffer_free(ss->outputbuffer);
1228  ss->outputbuffer = NULL;
1229  return -1;
1230 }
1231
1232 memset(bufdata, 0, len);
1233
1234 if ( buf != NULL )
1235  *buf = ss->outputbuffer;
1236
1237 return 0;
1238}
1239
1240int stream_outputbuffer_destroy(int id) {
1241 int ret;
1242 register struct roar_stream_server *  ss;
1243
1244 _CHECK_SID(id);
1245
1246 if ( (ss = g_streams[id]) == NULL )
1247  return -1;
1248
1249 if ( ss->outputbuffer != NULL ) {
1250  ret = roar_buffer_free(ss->outputbuffer);
1251  ss->outputbuffer = NULL;
1252  return ret;
1253 }
1254
1255 return 0;
1256}
1257
1258int stream_prethru_add(int id, struct roar_buffer * buf) {
1259 register struct roar_stream_server *  ss;
1260
1261 _CHECK_SID(id);
1262
1263 if ( (ss = g_streams[id]) == NULL )
1264  return -1;
1265
1266 if ( ss->prethru == NULL ) {
1267  ss->prethru = buf;
1268  return 0;
1269 }
1270
1271 if ( roar_buffer_add(ss->prethru, buf) == -1 ) {
1272  return -1;
1273 }
1274
1275 return 0;
1276}
1277
1278int stream_prethru_add_data(int id, void ** buf, size_t len) {
1279 struct roar_buffer * buffer;
1280
1281 _CHECK_SID(id);
1282
1283 if ( roar_buffer_new(&buffer, len) == -1 )
1284  return -1;
1285
1286 if ( roar_buffer_get_data(buffer, buf) == -1 ) {
1287  roar_buffer_free(buffer);
1288  return -1;
1289 }
1290
1291 if ( stream_prethru_add(id, buffer) == -1 ) {
1292  roar_buffer_free(buffer);
1293  return -1;
1294 }
1295
1296 return 0;
1297}
1298
1299int stream_prethru_destroy(int id) {
1300 int ret;
1301 register struct roar_stream_server *  ss;
1302
1303 _CHECK_SID(id);
1304
1305 if ( (ss = g_streams[id]) == NULL )
1306  return -1;
1307
1308 if ( ss->prethru != NULL ) {
1309  ret = roar_buffer_free(ss->prethru);
1310  ss->prethru = NULL;
1311  return ret;
1312 }
1313
1314 return 0;
1315}
1316
1317int stream_prethru_send(int dst, int src) {
1318 struct roar_stream_server *  dst_ss, * src_ss;
1319 struct roar_buffer * bufbuf;
1320 void * bufdata;
1321 size_t buflen;
1322
1323 ROAR_DBG("stream_prethru_send(dst=%i, src=%i) = ?", dst, src);
1324
1325 _CHECK_SID(dst);
1326 _CHECK_SID(src);
1327
1328 if ( (dst_ss = g_streams[dst]) == NULL )
1329  return -1;
1330
1331 if ( (src_ss = g_streams[src]) == NULL )
1332  return -1;
1333
1334 bufbuf = src_ss->prethru;
1335
1336 ROAR_DBG("stream_prethru_send(dst=%i, src=%i): prethru buffer at %p", dst, src, bufbuf);
1337
1338 while (bufbuf != NULL) {
1339  ROAR_DBG("stream_prethru_send(dst=%i, src=%i): looping with buffer at %p", dst, src, bufbuf);
1340
1341  if ( roar_buffer_get_data(bufbuf, &bufdata) == -1 )
1342   return -1;
1343
1344  if ( roar_buffer_get_len(bufbuf, &buflen) == -1 )
1345   return -1;
1346
1347  if ( stream_vio_s_write(dst_ss, bufdata, buflen) != buflen )
1348   return -1;
1349
1350  if ( roar_buffer_get_next(bufbuf, &bufbuf) == -1 )
1351   return -1;
1352 }
1353
1354 ROAR_DBG("stream_prethru_send(dst=%i, src=%i) = 0", dst, src);
1355 return 0;
1356}
1357
1358int streams_check  (int id) {
1359 int fh;
1360 ssize_t req, realreq, done;
1361 struct roar_stream        *   s;
1362 struct roar_stream_server *  ss;
1363 struct roar_buffer        *   b;
1364 char                      * buf;
1365// char                        tmp;
1366
1367 _CHECK_SID(id);
1368
1369 ROAR_DBG("streams_check(id=%i) = ?", id);
1370
1371 s = ROAR_STREAM(ss = g_streams[id]);
1372
1373 if ( (fh = s->fh) == -1 )
1374  return 0;
1375
1376 if ( streams_get_flag(id, ROAR_FLAG_PAUSE) )
1377  return 0;
1378
1379 switch (s->dir) {
1380  case ROAR_DIR_LIGHT_IN:
1381#ifndef ROAR_WITHOUT_DCOMP_LIGHT
1382    return light_check_stream(id);
1383#else
1384    streams_delete(id);
1385    return -1;
1386#endif
1387   break;
1388  case ROAR_DIR_MIDI_IN:
1389#ifndef ROAR_WITHOUT_DCOMP_MIDI
1390    return midi_check_stream(id);
1391#else
1392    streams_delete(id);
1393    return -1;
1394#endif
1395   break;
1396  case ROAR_DIR_RAW_IN:
1397#ifndef ROAR_WITHOUT_DCOMP_RAW
1398    return raw_check_stream(id);
1399#else
1400    streams_delete(id);
1401    return -1;
1402#endif
1403   break;
1404  case ROAR_DIR_RDTCS_IN:
1405#ifndef ROAR_WITHOUT_DCOMP_RDTCS
1406    return rdtcs_check_stream(id);
1407#else
1408    streams_delete(id);
1409    return -1;
1410#endif
1411   break;
1412  case ROAR_DIR_PLAY:
1413  case ROAR_DIR_BIDIR:
1414   break;
1415  default:
1416/*
1417    ROAR_WARN("streams_check(id=%i): Read event on non input stream of type/dir %s", id, roar_dir2str(s->dir));
1418    errno = 0;
1419    req = stream_vio_s_read(ss, &tmp, 1);
1420    ROAR_DBG("streams_check(id=%i): stream_vio_s_read(ss, &tmp, 1) = %li // errno=%s(%i)", id, req, strerror(errno), errno);
1421    if ( req == 1 ) {
1422     ROAR_ERR("streams_check(id=%i): Client violates protocol, got one byte of data on output stream, kicking stream");
1423     streams_delete(id);
1424     return -1;
1425    }
1426*/
1427    return 0;
1428   break;
1429 }
1430
1431 ROAR_DBG("streams_check(id=%i): fh = %i", id, fh);
1432
1433/*
1434 ROAR_DBG("streams_check(id=%i): ROAR_OUTPUT_BUFFER_SAMPLES=%i, s->info.channels=%i, s->info.bits=%i, s->info.rat=%i, g_sa->rate=%i", id, ROAR_OUTPUT_BUFFER_SAMPLES, s->info.channels, s->info.bits, s->info.rate, g_sa->rate);
1435*/
1436
1437 req  = ROAR_OUTPUT_CALC_OUTBUFSIZE(&(s->info)); // optimal size
1438// req  = ROAR_OUTPUT_BUFFER_SAMPLES * s->info.channels * (s->info.bits / 8) * ((float)s->info.rate/g_sa->rate);
1439 req += ss->need_extra; // bytes left we sould get....
1440
1441 ROAR_DBG("streams_check(id=%i): asking for %i bytes", id, req);
1442
1443 if ( roar_buffer_new(&b, req) == -1 ) {
1444  ROAR_ERR("streams_check(*): Can not alloc buffer space!");
1445  ROAR_DBG("streams_check(*) = -1");
1446  return -1;
1447 }
1448
1449 roar_buffer_get_data(b, (void **)&buf);
1450
1451 ROAR_DBG("streams_check(id=%i): buffer is up and ready ;)", id);
1452 ROAR_DBG("streams_check(id=%i): asking for %i bytes", id, req);
1453
1454 if ( ss->codecfilter == -1 ) {
1455  realreq = req;
1456/*
1457  req = read(fh, buf, req);
1458  if ( req < realreq ) { // we can do this as the stream is in nonblocking mode!
1459   if ( (realreq = read(fh, buf+req, realreq-req)) > 0 )
1460    req += realreq;
1461  }
1462*/
1463  done = 0;
1464  while (req > 0 && done != realreq) {
1465   if ( (req = stream_vio_s_read(ss, buf+done, realreq-done)) > 0 )
1466    done += req;
1467  }
1468  req = done;
1469
1470  roar_buffer_get_data(b, (void **)&buf);
1471 } else {
1472  req = codecfilter_read(ss->codecfilter_inst, ss->codecfilter, buf, req);
1473 }
1474
1475 if ( req > 0 ) {
1476  ROAR_DBG("streams_check(id=%i): got %i bytes", id, req);
1477
1478  roar_buffer_set_len(b, req);
1479
1480  if ( stream_add_buffer(id, b) != -1 )
1481   return 0;
1482
1483  ROAR_ERR("streams_check(id=%i): something is wrong, could not add buffer to stream!", id);
1484  roar_buffer_free(b);
1485 } else {
1486  ROAR_DBG("streams_check(id=%i): read() = %i // errno: %s", id, req, strerror(errno));
1487#ifdef ROAR_HAVE_LIBVORBISFILE
1488  if ( errno != EAGAIN && errno != ESPIPE ) { // libvorbis file trys to seek a bit ofen :)
1489#else
1490  if ( errno != EAGAIN ) {
1491#endif
1492   ROAR_DBG("streams_check(id=%i): EOF!", id);
1493   streams_delete(id);
1494   ROAR_DBG("streams_check(id=%i) = 0", id);
1495  }
1496  roar_buffer_free(b);
1497  return 0;
1498 }
1499
1500
1501 ROAR_DBG("streams_check(id=%i) = -1", id);
1502 return -1;
1503}
1504
1505
1506#define _return(x) return (x)
1507int streams_send_mon   (int id) {
1508// int fh;
1509 struct roar_stream        *   s;
1510 struct roar_stream_server *  ss;
1511 struct roar_buffer        *  bufbuf = NULL;
1512 struct roar_remove_state     removalstate;
1513 void  * ip;
1514 void  * obuf;
1515 int     olen;
1516 int     is_the_same     = 1;
1517 int     is_vol_eq       = 1;
1518 int     antiecho        = 0;
1519 ssize_t ret;
1520
1521 _CHECK_SID(id);
1522
1523 ROAR_DBG("streams_send_mon(id=%i) = ?", id);
1524
1525 s = ROAR_STREAM((ss = g_streams[id]));
1526
1527/*
1528 if ( (fh = s->fh) == -1 )
1529  return 0;
1530*/
1531
1532 if ( !ss->ready )
1533  return 0;
1534
1535 if ( g_config->jumbo_mtu )
1536  roar_vio_sync(ss->viop);
1537
1538 if ( streams_get_flag(id, ROAR_FLAG_PAUSE) )
1539  return 0;
1540
1541 switch (s->dir) {
1542  case ROAR_DIR_LIGHT_OUT:
1543#ifndef ROAR_WITHOUT_DCOMP_LIGHT
1544    return light_send_stream(id);
1545#else
1546    streams_delete(id);
1547    return -1;
1548#endif
1549   break;
1550  case ROAR_DIR_MIDI_OUT:
1551#ifndef ROAR_WITHOUT_DCOMP_MIDI
1552    return midi_send_stream(id);
1553#else
1554    streams_delete(id);
1555    return -1;
1556#endif
1557   break;
1558  case ROAR_DIR_RDTCS_OUT:
1559#ifndef ROAR_WITHOUT_DCOMP_RDTCS
1560    return rdtcs_send_stream(id);
1561#else
1562    streams_delete(id);
1563    return -1;
1564#endif
1565   break;
1566
1567  case ROAR_DIR_COMPLEX_OUT:
1568    // send a tick:
1569    if ( ss->codecfilter != -1 ) {
1570     if ( codecfilter_write(ss->codecfilter_inst, ss->codecfilter, NULL, 0) == 0 )
1571      ss->state = ROAR_STREAMSTATE_OLD;
1572    }
1573    return 0;
1574   break;
1575
1576  case ROAR_DIR_OUTPUT:
1577    if ( g_standby )
1578     return 0;
1579  case ROAR_DIR_MONITOR:
1580  case ROAR_DIR_BIDIR:
1581   break;
1582
1583  default:
1584    return 0;
1585   break;
1586 }
1587
1588
1589 ROAR_DBG("streams_send_mon(id=%i): fh = %i", id, s->fh);
1590
1591 if ( s->info.channels != g_sa->channels || s->info.bits  != g_sa->bits ||
1592      s->info.rate     != g_sa->rate     || s->info.codec != g_sa->codec  )
1593  is_the_same = 0;
1594
1595 if ( !streams_get_flag(id, ROAR_FLAG_HWMIXER) ) {
1596  is_vol_eq = need_vol_change(g_sa->channels, &(ss->mixer)) ? 0 : 1;
1597 }
1598
1599 if ( streams_get_flag(id, ROAR_FLAG_ANTIECHO) )
1600  antiecho = 1;
1601
1602 if ( !is_the_same || !is_vol_eq || antiecho ) {
1603  olen = ROAR_OUTPUT_CALC_OUTBUFSIZE(&(s->info)); // we hope g_output_buffer_len
1604                                                  // is ROAR_OUTPUT_CALC_OUTBUFSIZE(g_sa) here
1605  if ( stream_outputbuffer_request(id, &bufbuf, ROAR_OUTPUT_CALC_OUTBUFSIZE_MAX(&(s->info), g_sa)) == -1 )
1606   return -1;
1607
1608  if ( roar_buffer_get_data(bufbuf, &obuf) == -1 ) {
1609   _return(-1);
1610  }
1611
1612  ROAR_DBG("streams_send_mon(id=%i): obuf=%p, olen=%i", id, obuf, olen);
1613 } else {
1614  obuf = g_output_buffer;
1615  olen = g_output_buffer_len;
1616 }
1617
1618 ip = g_output_buffer;
1619
1620 if ( antiecho ) {
1621  ROAR_DBG("streams_send_mon(id=%i): antiecho=%i", id, antiecho);
1622  if ( roar_remove_init(&removalstate) == -1 ) {
1623   _return(-1);
1624  }
1625
1626  ROAR_DBG("streams_send_mon(id=%i): antiecho=%i", id, antiecho);
1627  if ( roar_remove_so(obuf, ip, ROAR_OUTPUT_BUFFER_SAMPLES*g_sa->channels, g_sa->bits, &removalstate) == -1 ) {
1628   ROAR_DBG("streams_send_mon(id=%i): anti echo failed", id);
1629   _return(-1);
1630  }
1631  ROAR_DBG("streams_send_mon(id=%i): antiecho=%i", id, antiecho);
1632 }
1633
1634 if ( !is_vol_eq ) {
1635  if ( roar_amp_pcm(obuf, g_sa->bits, ip, ROAR_OUTPUT_BUFFER_SAMPLES*g_sa->channels, g_sa->channels, &(ss->mixer)) == -1 ) {
1636   _return(-1);
1637  }
1638
1639  ip = obuf;
1640 }
1641
1642 if ( !is_the_same ) {
1643  if ( roar_conv(obuf, ip, ROAR_OUTPUT_BUFFER_SAMPLES*g_sa->channels, g_sa, &(s->info)) == -1 ) {
1644   _return(-1);
1645  }
1646 }
1647
1648 errno = 0;
1649
1650 if ( ss->codecfilter == -1 ) {
1651  ROAR_DBG("streams_send_mon(id=%i): not a CF stream", id);
1652  if ( s->fh == -1 && roar_vio_get_fh(&(ss->vio)) == -1 ) {
1653   ROAR_DBG("streams_send_mon(id=%i) = 0", id);
1654   _return(0);
1655  }
1656
1657  ROAR_DBG("streams_send_mon(id=%i) = ?", id);
1658
1659  if ( (ret = stream_vio_s_write(ss, obuf, olen)) == olen ) {
1660   s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), olen)*s->info.channels);
1661   ss->state = ROAR_STREAMSTATE_OLD;
1662   ROAR_DBG("streams_send_mon(id=%i) = 0", id);
1663   _return(0);
1664  }
1665
1666  ROAR_DBG("streams_send_mon(id=%i) = ?", id);
1667
1668  if ( ret > 0 && errno == 0 ) {
1669   ROAR_WARN("streams_send_mon(id=%i): Overrun in stream: wrote %i of %i bytes, %i bytes missing", id, (int)ret, olen, olen-(int)ret);
1670   s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), ret)*s->info.channels);
1671   ss->state = ROAR_STREAMSTATE_OLD;
1672   _return(0);
1673  }
1674 } else {
1675  errno = 0;
1676  if ( codecfilter_write(ss->codecfilter_inst, ss->codecfilter, obuf, olen)
1677            == olen ) {
1678   s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), olen)*s->info.channels);
1679   ss->state = ROAR_STREAMSTATE_OLD;
1680   _return(0);
1681  } else { // we cann't retry on codec filetered streams
1682   if ( errno != EAGAIN ) {
1683    streams_delete(id);
1684    _return(-1);
1685   }
1686  }
1687 }
1688
1689 if ( errno == EAGAIN ) {
1690  // ok, the client blocks for a moment, we try to sleep a bit an retry in the hope not to
1691  // make any gapes in any output because of this
1692
1693#ifdef ROAR_HAVE_USLEEP
1694  usleep(100); // 0.1ms
1695#endif
1696
1697  if ( stream_vio_s_write(ss, obuf, olen) == olen ) {
1698   s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), olen)*s->info.channels);
1699   ss->state = ROAR_STREAMSTATE_OLD;
1700   _return(0);
1701  } else if ( errno == EAGAIN ) {
1702   ROAR_WARN("streams_send_mon(id=%i): Can not send data to client: %s", id, strerror(errno));
1703   _return(0);
1704  }
1705 }
1706
1707 // ug... error... delete stream!
1708
1709 streams_delete(id);
1710
1711 _return(-1);
1712}
1713#undef _return
1714
1715int streams_send_filter(int id) {
1716 int fh;
1717 int have = 0;
1718 int len;
1719 struct roar_stream        *   s;
1720 struct roar_stream_server *  ss;
1721
1722 _CHECK_SID(id);
1723
1724 ROAR_DBG("streams_send_filter(id=%i) = ?", id);
1725
1726 s = ROAR_STREAM(ss = g_streams[id]);
1727
1728 if ( (fh = s->fh) == -1 )
1729  return 0;
1730
1731 if ( s->dir != ROAR_DIR_FILTER )
1732  return 0;
1733
1734 if ( streams_get_flag(id, ROAR_FLAG_PAUSE) )
1735  return 0;
1736
1737
1738 ROAR_DBG("streams_send_filter(id=%i): fh = %i", id, fh);
1739
1740 if ( stream_vio_s_write(ss, g_output_buffer, g_output_buffer_len) == g_output_buffer_len ) {
1741  while ( have < g_output_buffer_len ) {
1742   if ( (len = stream_vio_s_read(ss, g_output_buffer+have, g_output_buffer_len-have)) < 1 ) {
1743    streams_delete(id);
1744    return -1;
1745   }
1746   have += len;
1747  }
1748  return 0;
1749 }
1750
1751 // ug... error... delete stream!
1752
1753 streams_delete(id);
1754
1755 return -1;
1756}
1757
1758
1759// VIO:
1760
1761ssize_t stream_vio_read (int stream, void *buf, size_t count) {
1762 _CHECK_SID(stream);
1763
1764 return stream_vio_s_read(g_streams[stream], buf, count);
1765}
1766
1767ssize_t stream_vio_write(int stream, void *buf, size_t count) {
1768 _CHECK_SID(stream);
1769
1770 return stream_vio_s_write(g_streams[stream], buf, count);
1771}
1772
1773
1774ssize_t stream_vio_s_read (struct roar_stream_server * stream, void *buf, size_t count) {
1775 void    * orig_buf = buf;
1776  size_t   len      =  0;
1777 ssize_t   r        = -1;
1778 int       i;
1779
1780 errno = 0;
1781
1782 if ( !stream )
1783  return -1;
1784
1785 //roar_vio_set_fh(&(stream->vio), ROAR_STREAM(stream)->fh);
1786
1787 if ( ! stream->vio.read )
1788  return -1;
1789
1790 while ( (r = roar_vio_read(&(stream->vio), buf, count)) > 0 ) {
1791  len   += r;
1792  buf   += r;
1793  count -= r;
1794  if ( count == 0 )
1795   break;
1796 }
1797
1798 if ( len == 0 && r == -1 )
1799  return -1;
1800
1801 if ( streams_thru_num ) {
1802  for (i = 0; i < ROAR_STREAMS_MAX; i++) {
1803   if ( g_streams[i] != NULL && ROAR_STREAM(g_streams[i])->pos_rel_id == ROAR_STREAM(stream)->id ) {
1804    if ( ROAR_STREAM(g_streams[i])->dir == ROAR_DIR_THRU ) {
1805     if ( g_streams[i]->ready ) {
1806      if ( stream_vio_write(i, orig_buf, len) != len )
1807       streams_delete(i);
1808
1809      if ( g_streams[i] != NULL )
1810       g_streams[i]->state = ROAR_STREAMSTATE_OLD;
1811     }
1812    }
1813   }
1814  }
1815 }
1816
1817 return len;
1818}
1819
1820ssize_t stream_vio_s_write(struct roar_stream_server * stream, void *buf, size_t count) {
1821 int i;
1822
1823 errno = 0;
1824
1825 if ( !stream )
1826  return -1;
1827
1828/*
1829 if ( roar_vio_get_fh(&(stream->vio)) == -1 && ROAR_STREAM(stream)->fh != -1 )
1830  roar_vio_set_fh(&(stream->vio), ROAR_STREAM(stream)->fh);
1831*/
1832
1833// ROAR_WARN("stream_vio_s_write(*): writing...");
1834
1835 if ( streams_thru_num ) {
1836  for (i = 0; i < ROAR_STREAMS_MAX; i++) {
1837   if ( g_streams[i] != NULL && ROAR_STREAM(g_streams[i])->pos_rel_id == ROAR_STREAM(stream)->id ) {
1838    if ( ROAR_STREAM(g_streams[i])->dir == ROAR_DIR_THRU ) {
1839     if ( g_streams[i]->ready ) {
1840      if ( g_streams[i]->state == ROAR_STREAMSTATE_NEW ) {
1841       if ( streams_get_flag(i, ROAR_FLAG_PRETHRU) == 1 ) {
1842        if ( stream_prethru_send(i, ROAR_STREAM(stream)->id) == -1 ) {
1843         streams_delete(i);
1844        }
1845       }
1846      }
1847
1848      if ( stream_vio_write(i, buf, count) != count ) {
1849       streams_delete(i);
1850      }
1851
1852      if ( g_streams[i] != NULL )
1853       g_streams[i]->state = ROAR_STREAMSTATE_OLD;
1854     }
1855    }
1856   }
1857  }
1858 }
1859
1860 if ( g_config->jumbo_mtu ) {
1861  if ( stream->viop != &(stream->jumbo) ) {
1862   if ( roar_vio_open_jumbo(&(stream->jumbo), &(stream->vio), g_config->jumbo_mtu) != -1 ) {
1863    // if that works we continue using the jumbo vio,
1864    // in case it didn't we dont, just use normal VIO.
1865    stream->viop = &(stream->jumbo);
1866   }
1867  }
1868 }
1869
1870 return roar_vio_write(stream->viop, buf, count);
1871}
1872
1873//ll
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