source: roaraudio/roard/streams.c @ 4417:a5ab68cb66fa

Last change on this file since 4417:a5ab68cb66fa was 4417:a5ab68cb66fa, checked in by phi, 13 years ago

emit ROAR_OE_STREAM_XRUN and ROAR_OE_STREAM_CHANGE_VOLUME events

File size: 53.7 KB
Line 
1//streams.c:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2010
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, 51 Franklin Street, Fifth Floor,
22 *  Boston, MA 02110-1301, USA.
23 *
24 */
25
26#include "roard.h"
27
28#define _CHECK_SID_RET(id,ret) if ( (id) < 0 || (id) > ROAR_STREAMS_MAX || g_streams[(id)] == NULL ) return (ret)
29#define _CHECK_SID(id)         _CHECK_SID_RET((id), -1)
30
31int streams_thru_num     =  0;
32int streams_recsource_id = -1;
33
34static void _streams_change_state(struct roar_stream_server * s, const int new, const char * func) {
35 register int id  = ROAR_STREAM(s)->id;
36 register int old = s->state;
37
38 s->state = new;
39
40 if ( func == NULL ) {
41  func = "(unknown)";
42 }
43
44 ROAR_INFO("_streams_change_state[by %s](id=%i): stream state: %s->%s", ROAR_DBG_INFO_VERBOSE,
45            func,
46            ROAR_STREAM(s)->id,
47            roar_streamstate2str(old), roar_streamstate2str(new));
48
49 roar_notify_core_emit_simple(ROAR_OE_BASICS_CHANGE_STATE, -1, id, ROAR_OT_STREAM, old, new, NULL, 0);
50}
51
52int streams_init (void) {
53 int i;
54
55 for (i = 0; i < ROAR_STREAMS_MAX; i++)
56  g_streams[i] = NULL;
57
58 return 0;
59}
60
61int streams_free (void) {
62 int i;
63
64 for (i = 0; i < ROAR_STREAMS_MAX; i++) {
65  if ( g_streams[i] != NULL ) {
66   streams_delete(i);
67  }
68 }
69
70 return 0;
71}
72
73
74int streams_new    (void) {
75 int i, j;
76 struct roar_stream        * n = NULL;
77 struct roar_stream_server * s = NULL;
78
79#ifdef ROAR_SUPPORT_LISTEN
80 if ( g_terminate && !g_no_listen ) // don't accept new streams in case of termination state
81  return -1;
82#else
83 if ( g_terminate )                 // don't accept new streams in case of termination state
84  return -1;
85#endif
86
87 for (i = 0; i < ROAR_STREAMS_MAX; i++) {
88  if ( g_streams[i] == NULL ) {
89   s = ROAR_STREAM_SERVER(n = ROAR_STREAM(roar_mm_malloc(sizeof(struct roar_stream_server))));
90   if ( n == NULL ) {
91    ROAR_ERR("streams_new(void): can not allocate memory for new stream: %s", strerror(errno));
92    ROAR_DBG("streams_new(void) = -1");
93    return -1;
94   }
95
96   memset(s, 0, sizeof(struct roar_stream_server));
97
98   n->id         = i;
99   n->fh         = -1;
100   n->pos_rel_id = -1;
101/*
102   n->database   = NULL;
103   n->dataoff    = NULL;
104   n->datalen    = 0;
105   n->offset     = 0;
106*/
107   n->pos        = 0;
108
109   s->name            = NULL;
110
111   s->state           = ROAR_STREAMSTATE_INITING;
112
113   s->client          = -1;
114   s->socktype        = ROAR_SOCKET_TYPE_UNKNOWN;
115   s->buffer          = NULL;
116   s->need_extra      =  0;
117   s->output          = NULL;
118   s->is_new          =  1;
119   s->codecfilter     = -1;
120   s->pre_underruns   =  0;
121   s->post_underruns  =  0;
122   s->delay           =  0;
123   s->codec_orgi      = -1;
124   s->primary         =  0;
125   s->ready           =  0;
126   s->outputbuffer    = NULL;
127   s->prethru         = NULL;
128   s->mixer_stream    = -1;
129   s->role            = ROAR_ROLE_UNKNOWN;
130   s->parent_stream   = -1;
131
132   s->mixer.scale     = 65535;
133   s->mixer.rpg_mul   = 1;
134   s->mixer.rpg_div   = 1;
135   for (j = 0; j < ROAR_MAX_CHANNELS; j++)
136    s->mixer.mixer[j] = 65535;
137
138#ifdef ROAR_SUPPORT_META
139   for (j = 0; j < ROAR_META_MAX_PER_STREAM; j++) {
140    s->meta[j].type   = ROAR_META_TYPE_NONE;
141    s->meta[j].key[0] = 0;
142    s->meta[j].value  = NULL;
143   }
144#endif
145
146   roar_vio_init_calls(&(s->vio));
147   roar_vio_init_calls(&(s->jumbo));
148   s->viop      = &(s->vio);
149   s->driver_id = -1;
150   s->flags     =  ROAR_FLAG_NONE;
151
152   s->mixerstream =  NULL;
153
154   //roardsp_fchain_init(&(s->fc));
155
156   g_streams[i] = s;
157   counters_inc(streams, 1);
158   ROAR_INFO("streams_new(void): New stream %i created (state=initing)", ROAR_DBG_INFO_VERBOSE, i);
159   ROAR_DBG("streams_new(void): n->id=%i", n->id);
160   roar_notify_core_emit_snoargs(ROAR_OE_BASICS_NEW, -1, i, ROAR_OT_STREAM);
161   ROAR_DBG("streams_new(void) = %i", i);
162   return i;
163  }
164 }
165
166 return -1;
167}
168
169int streams_delete (int id) {
170 struct roar_stream_server * s;
171 int prim;
172 int no_vio_close = 0;
173 int i;
174 int client;
175
176 _CHECK_SID(id);
177
178 if ( (s = g_streams[id]) == NULL )
179  return 0;
180
181 ROAR_DBG("streams_delete(id=%i) = ?", id);
182 ROAR_DBG("streams_delete(id=%i): g_streams[id]->id=%i", id, ROAR_STREAM(s)->id);
183
184 // in case we are allready closing it...
185 if ( s->state == ROAR_STREAMSTATE_CLOSING )
186  return 0;
187
188 _streams_change_state(s, ROAR_STREAMSTATE_CLOSING, "streams_delete");
189 roar_notify_core_emit_snoargs(ROAR_OE_BASICS_DELETE, -1, id, ROAR_OT_STREAM);
190
191 counters_inc(streams, -1);
192
193 if ( streams_get_flag(id, ROAR_FLAG_RECSOURCE) == 1 )
194  streams_reset_flag(id, ROAR_FLAG_RECSOURCE);
195
196 for (i = 0; i < ROAR_STREAMS_MAX; i++) {
197  if ( g_streams[i] != NULL && ROAR_STREAM(g_streams[i])->pos_rel_id == id ) {
198   switch (ROAR_STREAM(g_streams[i])->dir) {
199    case ROAR_DIR_THRU:
200    case ROAR_DIR_RAW_IN:
201      if ( i != id )
202       streams_delete(i);
203     break;
204    default:
205      if ( streams_get_flag(i, ROAR_FLAG_VIRTUAL) == 1 ) {
206       if ( i != id ) {
207        ROAR_DBG("streams_delete(id=%i): Deleting virtual child stream %i", id, i);
208        streams_delete(i);
209       }
210      } else {
211       ROAR_STREAM(g_streams[i])->pos_rel_id = -1;
212      }
213   }
214  }
215 }
216
217 if ( ROAR_STREAM(s)->dir == ROAR_DIR_THRU )
218  streams_thru_num--;
219
220 if ( streams_get_flag(id, ROAR_FLAG_VIRTUAL) == 1 ) {
221  // we un-group the stream here to avoid a client deleting the parent deleting the client deleting ...
222  i      = ROAR_STREAM(s)->pos_rel_id;
223  if ( i != -1 ) {
224   ROAR_STREAM(s)->pos_rel_id = -1;
225   client = streams_get_client(id);
226   streams_set_client(id, -1);
227   ROAR_DBG("streams_delete(id=%i): Stream has flag virtual, notifying parent stream %i", id, i);
228   streams_ctl(i, ROAR_CODECFILTER_CTL_VIRTUAL_DELETE|ROAR_STREAM_CTL_TYPE_INT, &id);
229   ROAR_DBG("streams_delete(id=%i): Notify send to stream %i", id, i);
230   streams_set_client(id, client);
231   ROAR_STREAM(s)->pos_rel_id = i;
232  }
233 }
234
235#ifdef ROAR_SUPPORT_META
236 // delete meta data form other meta streams if needed
237 if ( streams_get_flag(id, ROAR_FLAG_META) == 1 ) {
238  ROAR_DBG("streams_delete(id=%i): deleting meta stream!", id);
239  stream_meta_clear(id);
240  stream_meta_finalize(id);
241 }
242#endif
243
244 if ( s->codecfilter != -1 ) {
245  codecfilter_close(s->codecfilter_inst, s->codecfilter);
246  s->codecfilter_inst = NULL;
247  s->codecfilter = -1;
248 }
249
250 if ( s->driver_id != -1 ) {
251  driver_closevio(&(s->vio), s->driver_id);
252  roar_vio_init_calls(&(s->vio));
253  s->driver_id = -1;
254  no_vio_close =  1;
255 }
256
257 if ( s->mixerstream != NULL ) {
258  hwmixer_close(id);
259 }
260
261 //roardsp_fchain_uninit(&(s->fc));
262
263 if ( s->client != -1 ) {
264  ROAR_DBG("streams_delete(id=%i): Stream is owned by client %i", id, g_streams[id]->client);
265  client_stream_delete(s->client, id);
266 }
267
268 stream_outputbuffer_destroy(id);
269 stream_prethru_destroy(id);
270
271 if ( s->buffer != NULL )
272  roar_buffer_free(s->buffer);
273
274 if ( s->output != NULL )
275  free(s->output);
276
277/*
278 if ( ROAR_STREAM(s)->fh != -1 )
279  close(ROAR_STREAM(s)->fh);
280*/
281
282 if ( !no_vio_close )
283  roar_vio_close(s->viop);
284
285 prim = s->primary;
286
287 if ( s->name != NULL )
288  free(s->name);
289
290 roar_mm_free(s);
291
292 g_streams[id] = NULL;
293
294 if ( prim && alive ) {
295  alive = 0;
296  clean_quit();
297 }
298
299 ROAR_INFO("streams_delete(id=%i): stream deleted", ROAR_DBG_INFO_VERBOSE, id);
300 ROAR_DBG("streams_delete(id=%i) = 0", id);
301 return 0;
302}
303
304int streams_set_client (int id, int client) {
305
306 _CHECK_SID(id);
307
308 ROAR_DBG("streams_set_client(id=%i): g_streams[id]->id=%i", id, ROAR_STREAM(g_streams[id])->id);
309 g_streams[id]->client = client;
310
311 return 0;
312}
313
314int streams_get_client (int id) {
315 _CHECK_SID(id);
316
317 return g_streams[id]->client;
318}
319
320int streams_set_dir    (int id, int dir, int defaults) {
321 struct roar_stream_server * ss;
322
323 _CHECK_SID(id);
324
325 if ( (ss = g_streams[id]) == NULL )
326  return -1;
327
328 ROAR_STREAM(ss)->dir = dir;
329
330 if ( dir == ROAR_DIR_THRU )
331  streams_thru_num++;
332
333 if ( defaults ) {
334  if ( dir <= 0 || dir >= ROAR_DIR_DIRIDS )
335   return -1;
336
337  ROAR_DBG("streams_set_dir(*): g_config->streams[dir=%i].flags = 0x%.4x", dir, g_config->streams[dir].flags);
338
339  if ( streams_set_flag(id, g_config->streams[dir].flags) == -1 ) {
340   ROAR_DBG("streams_set_dir(*) = -1 // can not set stream flags");
341   return -1;
342  }
343
344   ss->mixer.scale   = g_config->streams[dir].mixer.scale;
345   ss->mixer.rpg_mul = g_config->streams[dir].mixer.rpg_mul;
346   ss->mixer.rpg_div = g_config->streams[dir].mixer.rpg_div;
347 }
348
349 if ( dir != ROAR_DIR_MIXING ) {
350  switch (streams_get_subsys(id)) {
351   case ROAR_SUBSYS_WAVEFORM:
352     streams_set_mixer_stream(id, g_waveform_mixer.stream);
353     roardsp_chanlist_init(ss->chanmap.in,  ROAR_STREAM(ss)->info.channels, ROARDSP_CHANLIST_MAP_ROARAUDIO);
354    break;
355#ifndef ROAR_WITHOUT_DCOMP_MIDI
356   case ROAR_SUBSYS_MIDI:
357     roardsp_chanlist_init(ss->chanmap.in,  ROAR_STREAM(ss)->info.channels, ROARDSP_CHANLIST_MAP_MIDI);
358     streams_set_mixer_stream(id, g_midi_mixer.stream);
359    break;
360#endif
361#ifndef ROAR_WITHOUT_DCOMP_LIGHT
362   case ROAR_SUBSYS_LIGHT:
363     streams_set_mixer_stream(id, g_light_mixer.stream);
364    break;
365#endif
366  }
367
368  memcpy(ss->chanmap.out, ss->chanmap.in, sizeof(ss->chanmap.out));
369  streams_set_map(id, NULL, 0);
370 } else {
371  streams_set_mixer_stream(id, id);
372 }
373
374 ROAR_DBG("streams_set_dir(*) = 0");
375 return 0;
376}
377
378int streams_get_dir    (int id) {
379 struct roar_stream_server * ss;
380
381 _CHECK_SID(id);
382
383 if ( (ss = g_streams[id]) == NULL )
384  return -1;
385
386 return ROAR_STREAM(ss)->dir;
387}
388
389int streams_set_mixer_stream(int id, int mixer) {
390 struct roar_stream_server * ss;
391
392 _CHECK_SID(id);
393
394 if ( (ss = g_streams[id]) == NULL )
395  return -1;
396
397 ss->mixer_stream = mixer;
398
399 return 0;
400}
401
402int streams_get_mixer_stream(int id, int mixer) {
403 struct roar_stream_server * ss;
404
405 _CHECK_SID(id);
406
407 if ( (ss = g_streams[id]) == NULL )
408  return -1;
409
410 return ss->mixer_stream;
411}
412
413int streams_set_role   (int id, int role) {
414 struct roar_stream_server * ss;
415
416 _CHECK_SID(id);
417
418 if ( (ss = g_streams[id]) == NULL )
419  return -1;
420
421 ss->role = role;
422
423 return 0;
424}
425
426int streams_get_subsys (int id) {
427 struct roar_stream_server * ss;
428
429 _CHECK_SID(id);
430
431 if ( (ss = g_streams[id]) == NULL )
432  return -1;
433
434 switch (ROAR_STREAM(ss)->dir) {
435  case ROAR_DIR_PLAY:
436  case ROAR_DIR_RECORD:
437  case ROAR_DIR_MONITOR:
438  case ROAR_DIR_FILTER:
439  case ROAR_DIR_OUTPUT:
440  case ROAR_DIR_BIDIR:
441    return ROAR_SUBSYS_WAVEFORM;
442   break;
443  case ROAR_DIR_MIDI_IN:
444  case ROAR_DIR_MIDI_OUT:
445    return ROAR_SUBSYS_MIDI;
446   break;
447  case ROAR_DIR_LIGHT_IN:
448  case ROAR_DIR_LIGHT_OUT:
449    return ROAR_SUBSYS_LIGHT;
450   break;
451  case ROAR_DIR_RAW_IN:
452  case ROAR_DIR_RAW_OUT:
453    return ROAR_SUBSYS_RAW;
454   break;
455  case ROAR_DIR_COMPLEX_IN:
456  case ROAR_DIR_COMPLEX_OUT:
457    return ROAR_SUBSYS_COMPLEX;
458   break;
459  case ROAR_DIR_THRU:
460    return streams_get_subsys(ROAR_STREAM(ss)->pos_rel_id);
461   break;
462  case ROAR_DIR_MIXING:
463    return ROAR_SUBSYS_NONE;
464   break;
465 }
466
467 return -1;
468}
469
470int streams_get_ssdir  (int id) {
471 struct roar_stream_server * ss;
472
473 _CHECK_SID(id);
474
475 if ( (ss = g_streams[id]) == NULL )
476  return -1;
477
478 switch (ROAR_STREAM(ss)->dir) {
479  case ROAR_DIR_PLAY:
480  case ROAR_DIR_MIDI_IN:
481  case ROAR_DIR_LIGHT_IN:
482  case ROAR_DIR_RAW_IN:
483  case ROAR_DIR_COMPLEX_IN:
484    return STREAM_DIR_IN;
485   break;
486  case ROAR_DIR_RECORD:
487  case ROAR_DIR_MONITOR:
488  case ROAR_DIR_OUTPUT:
489  case ROAR_DIR_MIDI_OUT:
490  case ROAR_DIR_LIGHT_OUT:
491  case ROAR_DIR_RAW_OUT:
492  case ROAR_DIR_COMPLEX_OUT:
493    return STREAM_DIR_OUT;
494   break;
495  case ROAR_DIR_MIXING:
496    return STREAM_DIR_NONE;
497   break;
498  case ROAR_DIR_FILTER:
499  case ROAR_DIR_BIDIR:
500    return STREAM_DIR_BIDIR;
501   break;
502  case ROAR_DIR_THRU:
503    return streams_get_ssdir(ROAR_STREAM(ss)->pos_rel_id);
504   break;
505 }
506
507 return -1;
508}
509
510#define _err() streams_delete(id); return -1;
511int streams_new_virtual (int parent, struct roar_stream_server ** stream) {
512 struct roar_stream_server * parent_ss, * ss;
513 struct roar_stream        * parent_s , *  s;
514 int id = -1;
515 int client, dir;
516
517 if ( streams_get(parent, &parent_ss) == -1 )
518  return -1;
519
520 if ( (client = streams_get_client(parent)) == -1 )
521  return -1;
522
523 if ( (dir = streams_get_dir(parent)) == -1 )
524  return -1;
525
526 if ( (id = streams_new()) == -1 ) {
527  return -1;
528 }
529
530 if ( client_stream_add(client, id) == -1 ) {
531  _err();
532 }
533
534 if ( streams_get(id, &ss) == -1 ) {
535  _err();
536 }
537
538 if ( streams_set_dir(id, dir, 1) == -1 ) {
539  _err();
540 }
541
542 s        = ROAR_STREAM(       ss);
543 parent_s = ROAR_STREAM(parent_ss);
544
545 s->pos_rel_id = parent;
546
547 if ( streams_set_rawflag(id, ROAR_FLAG_VIRTUAL) == -1 ) {
548  _err();
549 }
550
551 if ( stream != NULL )
552  *stream = ss;
553
554 return id;
555}
556#undef _err
557
558int streams_set_fh     (int id, int fh) {
559 struct roar_stream_server * ss;
560 struct roar_stream        * s;
561 int dir;
562 int nonblock = 1;
563
564 _CHECK_SID(id);
565
566 if ( (s = ROAR_STREAM(ss = g_streams[id])) == NULL )
567  return -1;
568
569 if ( ss->ready ) {
570  ROAR_DBG("streams_set_fh(id=%i, fh=%i) = -1 // try to set fh for stream which is already ready", id, fh);
571  return -1;
572 }
573
574 dir = ROAR_STREAM(ss)->dir;
575
576 ROAR_DBG("streams_set_fh(id=%i, fh=%i): g_streams[id]->id=%i", id, fh, s->id);
577
578 s->fh = fh;
579
580 ROAR_DBG("streams_set_fh(id=%i, fh=%i): driverID=%i", id, fh, ss->driver_id);
581
582 if ( ss->driver_id == -1 && fh != -2 ) {
583#ifndef ROAR_TARGET_WIN32
584  roar_vio_set_fh(&(ss->vio), fh);
585#else
586  roar_vio_open_fh_socket(&(ss->vio), fh);
587#endif
588 }
589
590 ROAR_DBG("streams_set_fh(id=%i, fh=%i) = ?", id, fh);
591
592 switch (dir) {
593  case ROAR_DIR_THRU:
594  case ROAR_DIR_RAW_IN:
595  case ROAR_DIR_RAW_OUT:
596   break;
597  default:
598    if ( codecfilter_open(&(ss->codecfilter_inst), &(ss->codecfilter), NULL,
599                     s->info.codec, ss) == -1 ) {
600     streams_delete(id); // TODO: FIXME: is this correct? shoudn't we return -1 in any case here?
601     return -1;
602    }
603   break;
604 }
605
606 ROAR_DBG("streams_set_fh(id=%i, fh=%i) = ?", id, fh);
607
608 if ( fh == -2 ) {
609  ROAR_DBG("streams_set_fh(id=%i, fh=%i) = ?", id, fh);
610  if ( roar_vio_ctl(&(ss->vio), ROAR_VIO_CTL_GET_READ_FH, &fh) == -1 ) {
611   fh = -2;
612  } else {
613   ROAR_DBG("streams_set_fh(id=%i, fh=%i) = ?", id, fh);
614   if ( fh < 0 ) {
615    fh = -2;
616   } else {
617    s->fh = fh;
618   }
619  }
620 }
621
622 ROAR_DBG("streams_set_fh(id=%i, fh=%i) = ?", id, fh);
623
624 if ( fh == -1 || fh == -2 ) { // yes, this is valid, indecats full vio!
625  ss->ready = 1;
626  //ROAR_INFO("streams_set_fh(id=%i, fh=%i): stream state: %s->new", ROAR_DBG_INFO_VERBOSE, id, fh, roar_streamstate2str(ss->state));
627  _streams_change_state(ss, ROAR_STREAMSTATE_NEW, "streams_set_fh");
628  return 0;
629 }
630
631 ROAR_DBG("streams_set_fh(id=%i, fh=%i) = ?", id, fh);
632
633// roar_socket_recvbuf(fh, ROAR_OUTPUT_CALC_OUTBUFSIZE( &(ROAR_STREAM(g_streams[id])->info) )); // set recv buffer to minimum
634
635 switch (dir) {
636  case ROAR_DIR_MONITOR:
637  case ROAR_DIR_RECORD:
638  case ROAR_DIR_OUTPUT:
639  case ROAR_DIR_MIDI_OUT:
640  case ROAR_DIR_LIGHT_OUT:
641  case ROAR_DIR_RAW_OUT:
642    ROAR_SHUTDOWN(fh, SHUT_RD);
643   break;
644 }
645
646 if ( dir >= ROAR_DIR_DIRIDS )
647  return -1;
648
649 if ( g_config->streams[dir].flags & ROAR_FLAG_SYNC ) {
650  switch (dir) {
651   case ROAR_DIR_BRIDGE:
652   case ROAR_DIR_MIDI_OUT:
653    break;
654   default:
655     nonblock = 0;
656    break;
657  }
658 }
659
660
661 if ( !nonblock ) {
662  ss->ready = 1;
663  //ROAR_INFO("streams_set_fh(id=%i, fh=%i): stream state: %s->new", ROAR_DBG_INFO_VERBOSE, id, fh, roar_streamstate2str(ss->state));
664  _streams_change_state(ss, ROAR_STREAMSTATE_NEW, "streams_set_fh");
665
666  ROAR_DBG("streams_set_fh(id=%i, fh=%i) = 0", id, fh);
667  return 0;
668 } else {
669#ifndef ROAR_TARGET_WIN32
670  if ( roar_socket_nonblock(fh, ROAR_SOCKET_NONBLOCK) == -1 )
671   return -1;
672#endif
673
674  ss->ready = 1;
675  //ROAR_INFO("streams_set_fh(id=%i, fh=%i): stream state: %s->new", ROAR_DBG_INFO_VERBOSE, id, fh, roar_streamstate2str(ss->state));
676  _streams_change_state(ss, ROAR_STREAMSTATE_NEW, "streams_set_fh");
677
678  ROAR_DBG("streams_set_fh(id=%i, fh=%i) = 0", id, fh);
679  return 0;
680 }
681}
682
683int streams_get_fh     (int id) {
684 _CHECK_SID(id);
685
686 return ROAR_STREAM(g_streams[id])->fh;
687}
688
689int streams_set_null_io(int id) {
690 struct roar_stream_server * ss;
691 struct roar_stream        * s;
692
693 _CHECK_SID(id);
694
695 if ( (s = ROAR_STREAM(ss = g_streams[id])) == NULL )
696  return -1;
697
698 s->fh = -1;
699
700 return 0;
701}
702
703int streams_get    (int id, struct roar_stream_server ** stream) {
704 _CHECK_SID(id);
705
706 *stream = g_streams[id];
707
708 return 0;
709}
710
711int streams_set_socktype (int id, int socktype) {
712 _CHECK_SID(id);
713
714 g_streams[id]->socktype = socktype;
715
716 return 0;
717}
718
719int streams_get_socktype (int id) {
720 _CHECK_SID(id);
721
722 return g_streams[id]->socktype;
723}
724
725int streams_is_ready     (int id) {
726 _CHECK_SID(id);
727
728 return g_streams[id]->ready;
729}
730
731int streams_set_primary (int id, int prim) {
732 _CHECK_SID(id);
733
734 g_streams[id]->primary = prim;
735
736 return 0;
737}
738
739int streams_mark_primary (int id) {
740 return streams_set_primary(id, 1);
741}
742
743int streams_set_sync     (int id, int sync) {
744 int fh = streams_get_fh(id);
745
746 _CHECK_SID(id);
747
748 if ( fh != -1 ) {
749  if ( roar_socket_nonblock(fh, sync ? ROAR_SOCKET_BLOCK : ROAR_SOCKET_NONBLOCK) == -1 )
750   return -1;
751
752#ifdef ROAR_FDATASYNC
753  ROAR_FDATASYNC(fh);
754#endif
755
756  return 0;
757 } else {
758  return roar_vio_nonblock(&(g_streams[id]->vio), sync);
759 }
760}
761
762int streams_set_mmap (int id, int reset) {
763 int use = !reset;
764
765 _CHECK_SID(id);
766
767 return roar_vio_ctl(&(g_streams[id]->vio), ROAR_VIO_CTL_SET_UMMAP, &use);
768}
769
770int streams_set_flag     (int id, int flag) {
771 int parent;
772
773 _CHECK_SID(id);
774
775 if ( flag & ROAR_FLAG_IMMUTABLE )
776  flag |= ROAR_FLAG_PRIMARY;
777
778 if ( flag & ROAR_FLAG_MMAP )
779  if ( streams_set_mmap(id, 0) == -1 )
780   flag -= ROAR_FLAG_MMAP;
781
782 if ( flag & ROAR_FLAG_PRIMARY ) {
783  streams_set_primary(id, 1);
784  flag -= ROAR_FLAG_PRIMARY;
785 }
786
787 if ( flag & ROAR_FLAG_VIRTUAL ) {
788  if ( (parent = ROAR_STREAM(g_streams[id])->pos_rel_id) == -1 )
789   return -1;
790
791  if ( streams_ctl(parent, ROAR_CODECFILTER_CTL_VIRTUAL_NEW|ROAR_STREAM_CTL_TYPE_INT, &id) == -1 ) {
792//   flag -= ROAR_FLAG_VIRTUAL;
793   return -1;
794  }
795
796  if ( client_stream_move(streams_get_client(parent), id) == -1 ) {
797   return -1;
798  }
799 }
800
801 if ( flag & ROAR_FLAG_SYNC ) {
802  switch (ROAR_STREAM(g_streams[id])->dir) {
803   // for this stream types the flag is used in the subsystem:
804   case ROAR_DIR_BRIDGE:
805   case ROAR_DIR_MIDI_OUT:
806    break;
807
808   // normal behavor (vio blocking):
809   default:
810     // the fh is updated as soon as the fh get ready in case the default ask to set sync
811     if ( !g_streams[id]->ready && !(g_config->streams[ROAR_STREAM(g_streams[id])->dir].flags & ROAR_FLAG_SYNC) ) {
812      if ( streams_set_sync(id, 1) == -1 )
813       flag -= ROAR_FLAG_SYNC;
814     }
815  }
816 }
817
818 if ( flag & ROAR_FLAG_HWMIXER ) { // currently not supported -> ignored
819  g_streams[id]->flags |= flag;
820  if ( streams_set_mixer(id) == -1 ) {
821   g_streams[id]->flags -= flag;
822   return -1;
823  }
824 }
825
826 if ( flag & ROAR_FLAG_RECSOURCE ) {
827  if ( streams_recsource_id != -1 ) {
828   if ( streams_reset_flag(streams_recsource_id, ROAR_FLAG_RECSOURCE) == -1 )
829    return -1;
830  }
831
832  streams_recsource_id = id;
833 }
834
835 g_streams[id]->flags |= flag;
836
837#ifdef ROAR_SUPPORT_META
838 if ( flag & ROAR_FLAG_META )
839  stream_meta_finalize(id);
840#endif
841
842 return 0;
843}
844
845int streams_set_rawflag  (int id, int flag) {
846 _CHECK_SID(id);
847
848 g_streams[id]->flags |= flag;
849
850 return 0;
851}
852
853int streams_reset_flag   (int id, int flag) {
854 _CHECK_SID(id);
855
856 if ( g_streams[id]->flags & ROAR_FLAG_IMMUTABLE ) {
857  flag |= ROAR_FLAG_PRIMARY;
858  flag -= ROAR_FLAG_PRIMARY;
859 }
860
861 if ( flag & ROAR_FLAG_RECSOURCE )
862  if ( streams_recsource_id == id )
863   streams_recsource_id = -1;
864
865 if ( flag & ROAR_FLAG_MMAP )
866  if ( streams_set_mmap(id, 1) == -1 )
867   flag -= ROAR_FLAG_MMAP;
868
869 if ( flag & ROAR_FLAG_PRIMARY ) {
870  streams_set_primary(id, 0);
871  flag -= ROAR_FLAG_PRIMARY;
872 }
873
874 if ( flag & ROAR_FLAG_SYNC ) {
875  // we refuse to reset the flag on FILTER streams
876  if ( streams_get_dir(id) == ROAR_DIR_FILTER ) {
877//   flags -= ROAR_FLAG_SYNC;
878   return -1;
879  } else {
880   streams_set_sync(id, 0);
881  }
882 }
883
884 g_streams[id]->flags |= flag;
885 g_streams[id]->flags -= flag;
886
887 return 0;
888}
889
890int streams_get_flag     (int id, int flag) {
891 _CHECK_SID(id);
892
893 return g_streams[id]->flags & flag ? 1 : 0;
894}
895
896int streams_set_name     (int id, char * name) {
897 char * str;
898
899 _CHECK_SID(id);
900
901 if ( (str = strdup(name)) == NULL )
902  return -1;
903
904 if ( g_streams[id]->name != NULL )
905  free(g_streams[id]->name);
906
907 g_streams[id]->name = str;
908
909 return 0;
910}
911
912char * streams_get_name  (int id) {
913 _CHECK_SID_RET(id, NULL);
914
915 return g_streams[id]->name;
916}
917
918
919int streams_calc_delay    (int id) {
920 struct roar_stream_server * ss;
921 struct roar_stream        * s;
922 register uint_least32_t d = 0;
923 uint_least32_t t[1];
924 uint64_t       tmp;
925
926 _CHECK_SID(id);
927
928 if ( (s = ROAR_STREAM(ss = g_streams[id])) == NULL )
929  return -1;
930
931 // mixer store there value in ss->delay directly
932 if ( s->dir == ROAR_DIR_MIXING )
933  return 0;
934
935#if 0
936 // this only confuses the user...
937 if ( ss->mixer_stream != id ) {
938  if ( streams_calc_delay(ss->mixer_stream) != -1 ) {
939   d += g_streams[ss->mixer_stream]->delay; // in case we can calc the delay
940                                            // the stream must exist, so no check here
941  }
942 }
943#endif
944
945 if ( ss->codecfilter != -1 ) {
946  if ( codecfilter_delay(ss->codecfilter_inst, ss->codecfilter, t) != -1 )
947   d += *t;
948 }
949
950 if ( ss->vio.ctl != NULL ) {
951  if ( roar_vio_ctl(&(ss->vio), ROAR_VIO_CTL_GET_DELAY, t) != -1 ) { // *t is in byte
952   ROAR_DBG("streams_calc_delay(id=%i): VIO delay in byte: %i", id, *t);
953   tmp = *t;
954   tmp *= 1000000; // musec per sec
955   tmp /= s->info.rate * s->info.channels * (s->info.bits/8);
956   ROAR_DBG("streams_calc_delay(id=%i): VIO delay in musec: %llu", id, tmp);
957
958   d += tmp;
959  }
960 }
961
962 ROAR_DBG("streams_calc_delay(id=%i): delay in musec: %i", id, d);
963
964 ss->delay = d;
965
966 return 0;
967}
968
969int streams_set_mixer    (int id) {
970 struct roar_stream_server * ss;
971 struct roar_stream_server * pmss;
972 int i;
973 int subsys;
974 int tsubsys;
975
976 _CHECK_SID(id);
977
978 if ( (ss = g_streams[id]) == NULL )
979  return -1;
980
981 if ( streams_get_flag(id, ROAR_FLAG_PASSMIXER) == 1 ) {
982  if ( (subsys = streams_get_subsys(id)) == -1 )
983   return -1;
984
985  for (i = 0; i < ROAR_STREAMS_MAX; i++) {
986   if ( (pmss = g_streams[i]) != NULL ) {
987    if ( streams_get_flag(i, ROAR_FLAG_PASSMIXER) == 1 ) {
988     tsubsys = streams_get_subsys(i);
989     if ( tsubsys == subsys || tsubsys == ROAR_SUBSYS_NONE ) {
990      if ( &(pmss->mixer) != &(ss->mixer) ) {
991       roar_conv_volume(&(pmss->mixer), &(ss->mixer), ROAR_STREAM(pmss)->info.channels, ROAR_STREAM(ss)->info.channels);
992      }
993
994      // update hwmixers and the like but do not set mixer value recrusivly.
995      streams_reset_flag(i, ROAR_FLAG_PASSMIXER);
996      streams_set_mixer(i);
997      streams_set_flag(i, ROAR_FLAG_PASSMIXER);
998     }
999    }
1000   }
1001  }
1002 }
1003
1004 roar_notify_core_emit_snoargs(ROAR_OE_STREAM_CHANGE_VOLUME, -1, id, ROAR_OT_STREAM);
1005
1006 if ( !streams_get_flag(id, ROAR_FLAG_HWMIXER) )
1007  return 0;
1008
1009 if ( ss->driver_id != -1 ) {
1010  return driver_set_volume(id, &(ss->mixer));
1011 } else if ( ss->mixerstream != NULL ) {
1012  return hwmixer_set_volume(id, ss, ss->mixerstream, &(ss->mixer));
1013 } else {
1014  return 0;
1015 }
1016}
1017
1018int streams_set_map      (int id, char * map, size_t len) {
1019 struct roar_stream_server * ss;
1020 int ssdir;
1021
1022 _CHECK_SID(id);
1023
1024 if ( (ss = g_streams[id]) == NULL )
1025  return -1;
1026
1027 if ( map != NULL ) {
1028  if ( ROAR_STREAM(ss)->info.channels != len )
1029   return -1;
1030 }
1031
1032 ssdir = streams_get_ssdir(id);
1033
1034 switch (ssdir) {
1035  case STREAM_DIR_IN:
1036  case STREAM_DIR_NONE:
1037    memset(ss->chanmap.in, 0, sizeof(ss->chanmap.in));
1038
1039    if ( map != NULL )
1040     memcpy(ss->chanmap.in, map, len);
1041
1042    roardsp_chanmap_calc(&(ss->chanmap), ROARDSP_CHANMAP_MAP, 0);
1043   break;
1044  case STREAM_DIR_OUT:
1045    memset(ss->chanmap.out, 0, sizeof(ss->chanmap.out));
1046
1047    if ( map != NULL )
1048     memcpy(ss->chanmap.out, map, len);
1049
1050    roardsp_chanmap_calc(&(ss->chanmap), ROARDSP_CHANMAP_MAP, 0);
1051   break;
1052  default:
1053    return -1;
1054 }
1055
1056 return 0;
1057}
1058
1059int streams_ltm_ctl      (int id, int mt, int window, int cmd) {
1060 struct roar_stream_server * ss;
1061 struct roar_stream_ltm *    ltm;
1062 int i;
1063
1064 _CHECK_SID(id);
1065
1066 // currently we only support the WORKBLOCK window
1067 if ( window != ROAR_LTM_WIN_WORKBLOCK )
1068  return -1;
1069
1070 // currently we only support ROAR_LTM_MT_RMS
1071 if ( (mt | ROAR_LTM_MT_RMS) - ROAR_LTM_MT_RMS )
1072  return -1;
1073
1074 if ( (ss = g_streams[id]) == NULL )
1075  return -1;
1076
1077 switch (cmd) {
1078  case ROAR_LTM_SST_NOOP:
1079    return 0;
1080   break;
1081  case ROAR_LTM_SST_REGISTER:
1082    // test if the window is already registered:
1083    for (i = 0; i < MAX_LTM_WINDOWS_PER_STREAM; i++) {
1084     ltm = &(ss->ltm[i]);
1085     if ( ltm->refc && ltm->window == window ) {
1086      ltm->refc++;
1087      ltm->mt |= mt;
1088      return 0;
1089     }
1090    }
1091
1092    // register
1093    for (i = 0; i < MAX_LTM_WINDOWS_PER_STREAM; i++) {
1094     ltm = &(ss->ltm[i]);
1095     if ( ltm->refc == 0 ) {
1096      memset(ltm, 0, sizeof(struct roar_stream_ltm));
1097      ltm->refc = 1;
1098      ltm->window = window;
1099      ltm->parent_window = -1;
1100      ltm->mt = mt;
1101      ltm->channels = ROAR_STREAM(ss)->info.channels;
1102      if ( (ltm->cur = roar_mm_malloc(ltm->channels*sizeof(struct roar_ltm_vals))) == NULL ) {
1103       ltm->refc = 0; // reset
1104       return -1;
1105      }
1106      memset(ltm->cur, 0, ltm->channels*sizeof(struct roar_ltm_vals));
1107      return 0;
1108     }
1109    }
1110    return -1;
1111   break;
1112  case ROAR_LTM_SST_UNREGISTER:
1113    for (i = 0; i < MAX_LTM_WINDOWS_PER_STREAM; i++) {
1114     ltm = &(ss->ltm[i]);
1115     if ( ltm->refc && ltm->window == window ) {
1116      ltm->refc--;
1117      if ( ! ltm->refc ) {
1118       roar_mm_free(ltm->cur);
1119       return 0;
1120      }
1121     }
1122    }
1123    return -1;
1124   break;
1125  default:
1126    return -1;
1127   break;
1128 }
1129}
1130
1131int streams_ltm_calc     (int id, struct roar_audio_info * info, void * data, size_t len) {
1132 struct roar_stream_server * ss;
1133 struct roar_stream_ltm *    ltm = NULL;
1134 int64_t rmsbuf_real[8];
1135 int64_t * rmsbuf = rmsbuf_real;
1136 size_t samples = 0;
1137 int i;
1138
1139 _CHECK_SID(id);
1140
1141 if ( data == NULL || info == NULL )
1142  return -1;
1143
1144 if ( info->codec != ROAR_CODEC_DEFAULT )
1145  return -1;
1146
1147 if ( (ss = g_streams[id]) == NULL )
1148  return -1;
1149
1150 for (i = 0; i < MAX_LTM_WINDOWS_PER_STREAM; i++) {
1151  if ( ss->ltm[i].refc && ss->ltm[i].window == ROAR_LTM_WIN_WORKBLOCK ) {
1152   ltm = &(ss->ltm[i]);
1153   break;
1154  }
1155 }
1156
1157 if ( ltm == NULL )
1158  return -1;
1159
1160 // TODO: support change of number of channels
1161 if ( ltm->channels != info->channels )
1162  return -1;
1163
1164 if ( len == 0 ) {
1165  memset(ltm->cur, 0, ltm->channels * sizeof(struct roar_ltm_vals));
1166  return 0;
1167 }
1168
1169 // TODO: support more channels then rmsbuf_real has space for
1170 if ( ltm->channels > (sizeof(rmsbuf_real)/sizeof(*rmsbuf_real)) ) {
1171  return -1;
1172 }
1173
1174 samples = len / info->bits;
1175
1176 if ( ltm->mt & ROAR_LTM_MT_RMS ) {
1177  if ( roar_rms2_1_b_n(data, samples, rmsbuf, ltm->channels, info->bits) == -1 )
1178   return -1;
1179
1180  for (i = 0; i < ltm->channels; i++) {
1181   ltm->cur[i].rms = rmsbuf[i] << (64 - info->bits*2);
1182  }
1183
1184  ROAR_DBG("streams_ltm_calc(id=%i,...): rmsbuf[0]=%lli", id, (long long int)rmsbuf[0]);
1185 }
1186
1187 return 0;
1188}
1189
1190struct roar_stream_ltm * streams_ltm_get(int id, int mt, int window) {
1191 struct roar_stream_server * ss;
1192 struct roar_stream_ltm *    ltm = NULL;
1193 int i;
1194
1195 _CHECK_SID_RET(id, NULL);
1196
1197 if ( (ss = g_streams[id]) == NULL )
1198  return NULL;
1199
1200 for (i = 0; i < MAX_LTM_WINDOWS_PER_STREAM; i++) {
1201  if ( ss->ltm[i].refc && ss->ltm[i].window == window ) {
1202   ltm = &(ss->ltm[i]);
1203   break;
1204  }
1205 }
1206
1207 if ( ltm == NULL )
1208  return NULL;
1209
1210 if ( (ltm->mt & mt) != mt )
1211  return NULL;
1212
1213 return ltm;
1214}
1215
1216struct hwmixer_stream * streams_get_mixerstream(int id) {
1217 _CHECK_SID_RET(id, NULL);
1218
1219 return g_streams[id]->mixerstream;
1220}
1221
1222int streams_set_mixerstream(int id, struct hwmixer_stream * mstream) {
1223 _CHECK_SID(id);
1224
1225 g_streams[id]->mixerstream = mstream;
1226
1227 return 0;
1228}
1229
1230int streams_read_mixervalues(int id) {
1231 struct roar_stream_server * ss;
1232
1233 _CHECK_SID(id);
1234
1235 if ( (ss = g_streams[id]) == NULL )
1236  return -1;
1237
1238 if ( ss->mixerstream == NULL )
1239  return -1;
1240
1241 return hwmixer_get_volume(id, ss, ss->mixerstream, &(ss->mixer));
1242}
1243
1244int streams_ctl          (int id, int_least32_t cmd, void * data) {
1245 struct roar_stream_server * ss;
1246 int_least32_t comp;
1247
1248 _CHECK_SID(id);
1249
1250 if ( (ss = g_streams[id]) == NULL )
1251  return -1;
1252
1253 comp = cmd & ROAR_STREAM_CTL_COMPMASK;
1254
1255 cmd &= ~comp;
1256
1257 ROAR_DBG("streams_ctl(id=%i, cmd=?, data=%p): comp=0x%.8x, cmd=0x%.4x", id, data, comp, cmd);
1258
1259 switch (comp) {
1260  case ROAR_STREAM_CTL_COMP_BASE:
1261   break;
1262  case ROAR_STREAM_CTL_COMP_CF:
1263    return codecfilter_ctl(ss->codecfilter_inst, ss->codecfilter, cmd, data);
1264   break;
1265  case ROAR_STREAM_CTL_COMP_DRV:
1266   break;
1267  default:
1268   return -1;
1269 }
1270
1271 return -1;
1272}
1273
1274int streams_get_outputbuffer  (int id, void ** buffer, size_t size) {
1275 _CHECK_SID(id);
1276
1277 // output buffer size does never change.
1278 if ( g_streams[id]->output != NULL ) {
1279  *buffer = g_streams[id]->output;
1280  return 0;
1281 }
1282
1283 if ( (g_streams[id]->output = malloc(size)) == NULL ) {
1284  ROAR_ERR("streams_get_outputbuffer(*): Can not alloc: %s", strerror(errno));
1285  return -1;
1286 }
1287
1288 *buffer = g_streams[id]->output;
1289
1290 return 0;
1291}
1292
1293int streams_fill_mixbuffer2 (int id, struct roar_audio_info * info) {
1294 size_t   outlen = ROAR_OUTPUT_CALC_OUTBUFSIZE(info);
1295 void   * outdata;
1296 size_t   inlen;
1297 size_t   inlen_got;
1298 void   * indata = NULL;
1299 size_t   buflen;
1300 void   * bufdata = NULL;
1301 struct roar_buffer * bufbuf = NULL;
1302 int      is_the_same = 0;
1303 struct roar_audio_info    * stream_info;
1304 struct roar_stream        * s;
1305 struct roar_stream_server * ss;
1306
1307 _CHECK_SID(id);
1308
1309 if ( (s = ROAR_STREAM(ss = g_streams[id])) == NULL )
1310  return -1;
1311
1312 // set up stream_info
1313 stream_info = &(s->info);
1314
1315 // calc todo_in
1316 inlen = ROAR_OUTPUT_CALC_OUTBUFSIZE(stream_info);
1317
1318 buflen = ROAR_OUTPUT_CALC_OUTBUFSIZE_MAX(info, stream_info);
1319
1320 ROAR_DBG("streams_fill_mixbuffer2(id=%i, info=%p{...}): inlen=%lu, buflen=%lu", id, info, (unsigned long)inlen, (unsigned long)buflen);
1321
1322 if ( inlen == 0 ) {
1323  ROAR_WARN("streams_fill_mixbuffer2(id=%i, info=%p{...}): inlen == 0, this should not happen!", id, info);
1324  return -1;
1325 }
1326
1327 if ( streams_get_outputbuffer(id, &outdata, outlen) == -1 ) {
1328  return -1;
1329 }
1330
1331 if ( outdata == NULL ) {
1332  return -1;
1333 }
1334
1335 ROAR_DBG("streams_fill_mixbuffer2(*): outdata=%p, len=%i->%i (in->out)", outdata, inlen, outlen);
1336
1337 is_the_same = stream_info->rate     == info->rate     && stream_info->bits  == info->bits &&
1338               stream_info->channels == info->channels && stream_info->codec == info->codec;
1339
1340 ROAR_DBG("streams_fill_mixbuffer2(*): is_the_same=%i", is_the_same);
1341
1342 if ( !is_the_same && buflen > outlen ) {
1343/*
1344  // this is not supported at the moment
1345  memset(outdata, 0, outlen);
1346  return -1;
1347*/
1348
1349  if ( roar_buffer_new(&bufbuf, buflen) == -1 )
1350   return -1;
1351
1352  if ( roar_buffer_get_data(bufbuf, &bufdata) == -1 )
1353   return -1;
1354  indata  = bufdata;
1355 } else {
1356  indata  = outdata;
1357  bufdata = outdata;
1358 }
1359
1360 inlen_got = inlen;
1361
1362 ROAR_DBG("streams_fill_mixbuffer2(id=%i, info=...): inlen_got=%u", id, inlen_got);
1363
1364 if ( stream_shift_out_buffer(id, indata, &inlen_got) == -1 ) {
1365  if ( ss->is_new ) {
1366   ss->pre_underruns++;
1367   roar_notify_core_emit_simple(ROAR_OE_STREAM_XRUN, -1, id, ROAR_OT_STREAM, ROAR_XRUN_UNDER_PRE, ss->pre_underruns, NULL, 0);
1368  } else {
1369   ROAR_WARN("streams_fill_mixbuffer2(id=%i, info=...): underrun in stream", id);
1370   ss->post_underruns++;
1371   roar_notify_core_emit_simple(ROAR_OE_STREAM_XRUN, -1, id, ROAR_OT_STREAM, ROAR_XRUN_UNDER_POST, ss->post_underruns, NULL, 0);
1372  }
1373  memset(outdata, 0, outlen);
1374  return 0;
1375 }
1376
1377 ROAR_DBG("streams_fill_mixbuffer2(id=%i, info=...): inlen_got=%u", id, inlen_got);
1378
1379 if ( ss->is_new ) {
1380  //ROAR_INFO("streams_fill_mixbuffer2(id=%i, info=...): stream state: new->old", ROAR_DBG_INFO_VERBOSE, id);
1381  _streams_change_state(ss, ROAR_STREAMSTATE_OLD, "streams_fill_mixbuffer2");
1382 }
1383
1384 ss->is_new = 0;
1385
1386 // check channel map:
1387#if 0
1388 if ( roardsp_chanmap_mappcm(indata, indata, inlen, stream_info->channels, &(ss->chanmap), stream_info->bits) == -1 ) {
1389  if ( bufbuf != NULL )
1390   roar_buffer_free(bufbuf);
1391  return -1;
1392 }
1393#endif
1394
1395 // TODO: this only works in case a we have a amp for the given stream parameters.
1396 if ( !streams_get_flag(id, ROAR_FLAG_HWMIXER) && !streams_get_flag(id, ROAR_FLAG_PASSMIXER) ) {
1397  ROAR_DBG("streams_fill_mixbuffer2(*): CALL roar_amp_pcm(*)...");
1398  if ( roar_amp_pcm(indata, stream_info->bits, indata, 8*inlen / stream_info->bits, stream_info->channels, &(ss->mixer)) == -1 )
1399   return -1;
1400 }
1401
1402 // check codec, bits, channels, rate...
1403 if ( is_the_same ) {
1404  if ( indata != outdata )
1405   memcpy(outdata, indata, inlen);
1406
1407  if ( inlen < outlen )
1408   memset(outdata+inlen, 0, outlen-inlen);
1409 } else {
1410//  if ( roar_conv(outdata, indata, (8*inlen_got*info->rate)/(stream_info->rate * stream_info->bits), stream_info, info) == -1 ) {
1411  ROAR_DBG("streams_fill_mixbuffer2(*): CALL roar_conv2(*)...");
1412  if ( roar_conv2(bufdata, indata, inlen, stream_info, info, outlen) == -1 ) {
1413   if ( bufbuf != NULL )
1414    roar_buffer_free(bufbuf);
1415   return -1;
1416  }
1417
1418//  memset(outdata, 0, outlen);
1419 }
1420
1421 if ( bufbuf != NULL ) {
1422  memcpy(outdata, bufdata, outlen);
1423  roar_buffer_free(bufbuf);
1424 }
1425
1426 streams_ltm_calc(id, stream_info, outdata, outlen);
1427
1428 if ( streams_get_flag(id, ROAR_FLAG_ANTIECHO) ) {
1429  ROAR_DBG("streams_fill_mixbuffer2(*): Calcing antiecho...");
1430  // we can ignore errors here:
1431  if ( stream_outputbuffer_request(id, &bufbuf, buflen) == 0 ) {
1432   if ( roar_buffer_get_data(bufbuf, &bufdata) != -1 )
1433    memcpy(bufdata, outdata, outlen);
1434  }
1435 }
1436
1437 ROAR_DBG("streams_fill_mixbuffer2(*): inlen_got=%llu, stream_info={.bits=%i, .rate=%i,...}", (long long unsigned int)inlen_got, stream_info->bits, stream_info->rate);
1438 s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, (inlen_got*8)/stream_info->bits);
1439
1440 ROAR_DBG("streams_fill_mixbuffer2(*) = 0");
1441 return 0;
1442}
1443
1444
1445int streams_get_mixbuffers (void *** bufferlist, struct roar_audio_info * info, unsigned int pos) {
1446 static void * bufs[ROAR_STREAMS_MAX+1];
1447 int i;
1448 int have = 0;
1449 int dir;
1450
1451 for (i = 0; i < ROAR_STREAMS_MAX; i++) {
1452  if ( g_streams[i] != NULL ) {
1453   dir = streams_get_dir(i);
1454
1455   switch (dir) {
1456    case ROAR_DIR_PLAY:
1457    case ROAR_DIR_BIDIR:
1458     break;
1459    case ROAR_DIR_BRIDGE:
1460      if ( g_streams[i]->buffer == NULL )
1461       continue;
1462     break;
1463    default:
1464      continue;
1465   }
1466
1467   if ( streams_get_flag(i, ROAR_FLAG_PAUSE) )
1468    continue;
1469
1470   if ( streams_get_outputbuffer(i, &bufs[have], ROAR_OUTPUT_CALC_OUTBUFSIZE(info)) == -1 ) {
1471    ROAR_ERR("streams_get_mixbuffer(*): Can not alloc output buffer for stream %i, BAD!", i);
1472    ROAR_ERR("streams_get_mixbuffer(*): Ignoring stream for this round.");
1473    continue;
1474   }
1475   if ( streams_fill_mixbuffer2(i, info) == -1 ) {
1476    ROAR_ERR("streams_get_mixbuffer(*): Can not fill output buffer for stream %i, this should not happen", i);
1477    continue;
1478   }
1479
1480//   printf("D: bufs[have=%i] = %p\n", have, bufs[have]);
1481
1482   ROAR_DBG("streams_get_mixbuffers(*):  bufs[have] = %p", bufs[have]);
1483   ROAR_DBG("streams_get_mixbuffers(*): *bufs[have] = 0x%08x...", *(uint32_t*)bufs[have]);
1484
1485   if ( !streams_get_flag(i, ROAR_FLAG_MUTE) )
1486    have++; // we have a new stream!
1487  }
1488 }
1489
1490 bufs[have] = NULL;
1491 //printf("D: bufs[have=%i] = %p\n", have, bufs[have]);
1492
1493 ROAR_DBG("streams_get_mixbuffers(*): have = %i", have);
1494
1495 *bufferlist = bufs;
1496 return have;
1497}
1498
1499
1500int stream_add_buffer  (int id, struct roar_buffer * buf) {
1501 ROAR_DBG("stream_add_buffer(id=%i, buf=%p) = ?", id, buf);
1502
1503 _CHECK_SID(id);
1504
1505 if ( g_streams[id]->buffer == NULL ) {
1506  g_streams[id]->buffer = buf;
1507  ROAR_DBG("stream_add_buffer(id=%i, buf=%p) = 0", id, buf);
1508  return 0;
1509 }
1510
1511 ROAR_DBG("stream_add_buffer(id=%i, buf=%p) = ?", id, buf);
1512 return roar_buffer_add(g_streams[id]->buffer, buf);
1513}
1514
1515int stream_shift_out_buffer   (int id, void * data, size_t * len) {
1516 _CHECK_SID(id);
1517
1518 if ( g_streams[id]->buffer == NULL )
1519  return -1;
1520
1521 return roar_buffer_shift_out(&(g_streams[id]->buffer), data, len);
1522}
1523
1524int stream_shift_buffer   (int id, struct roar_buffer ** buf) {
1525 struct roar_buffer * next;
1526
1527 _CHECK_SID(id);
1528
1529 if ( g_streams[id]->buffer == NULL ) {
1530  *buf = NULL;
1531  return 0;
1532 }
1533
1534 roar_buffer_get_next(g_streams[id]->buffer, &next);
1535
1536 *buf                  = g_streams[id]->buffer;
1537 g_streams[id]->buffer = next;
1538
1539 return 0;
1540}
1541int stream_unshift_buffer (int id, struct roar_buffer *  buf) {
1542 _CHECK_SID(id);
1543
1544 if ( g_streams[id]->buffer == NULL ) {
1545  g_streams[id]->buffer = buf;
1546  return 0;
1547 }
1548
1549 buf->next = NULL;
1550
1551 roar_buffer_add(buf, g_streams[id]->buffer);
1552
1553 g_streams[id]->buffer = buf;
1554
1555 return 0;
1556}
1557
1558int stream_outputbuffer_request(int id, struct roar_buffer ** buf, size_t len) {
1559 register struct roar_stream_server *  ss;
1560 size_t buflen;
1561 void * bufdata;
1562 int ret;
1563
1564 _CHECK_SID(id);
1565
1566 if ( (ss = g_streams[id]) == NULL )
1567  return -1;
1568
1569 if ( buf != NULL ) /* just be be sure */
1570  *buf = NULL;
1571
1572 if ( ss->outputbuffer != NULL ) {
1573  if ( roar_buffer_get_len(ss->outputbuffer, &buflen) == 0 ) {
1574   if ( buflen == len ) {
1575    if ( buf != NULL )
1576     *buf = ss->outputbuffer;
1577    return 0;
1578   } else if ( buflen > len ) {
1579    if ( roar_buffer_set_len(ss->outputbuffer, len) == 0 ) {
1580     if ( buf != NULL )
1581      *buf = ss->outputbuffer;
1582     return 0;
1583    }
1584   }
1585  }
1586
1587  // if the buffer is not suitable:
1588
1589  ret = roar_buffer_free(ss->outputbuffer);
1590  ss->outputbuffer = NULL;
1591  if ( ret == -1 )
1592   return ret;
1593 }
1594
1595 if ( roar_buffer_new(&(ss->outputbuffer), len) == -1 )
1596  return -1;
1597
1598 if ( roar_buffer_get_data(ss->outputbuffer, &bufdata) == -1 ) {
1599  roar_buffer_free(ss->outputbuffer);
1600  ss->outputbuffer = NULL;
1601  return -1;
1602 }
1603
1604 memset(bufdata, 0, len);
1605
1606 if ( buf != NULL )
1607  *buf = ss->outputbuffer;
1608
1609 return 0;
1610}
1611
1612int stream_outputbuffer_destroy(int id) {
1613 int ret;
1614 register struct roar_stream_server *  ss;
1615
1616 _CHECK_SID(id);
1617
1618 if ( (ss = g_streams[id]) == NULL )
1619  return -1;
1620
1621 if ( ss->outputbuffer != NULL ) {
1622  ret = roar_buffer_free(ss->outputbuffer);
1623  ss->outputbuffer = NULL;
1624  return ret;
1625 }
1626
1627 return 0;
1628}
1629
1630int stream_prethru_add(int id, struct roar_buffer * buf) {
1631 register struct roar_stream_server *  ss;
1632
1633 _CHECK_SID(id);
1634
1635 if ( (ss = g_streams[id]) == NULL )
1636  return -1;
1637
1638 if ( ss->prethru == NULL ) {
1639  ss->prethru = buf;
1640  return 0;
1641 }
1642
1643 if ( roar_buffer_add(ss->prethru, buf) == -1 ) {
1644  return -1;
1645 }
1646
1647 return 0;
1648}
1649
1650int stream_prethru_add_data(int id, void ** buf, size_t len) {
1651 struct roar_buffer * buffer;
1652
1653 _CHECK_SID(id);
1654
1655 if ( roar_buffer_new(&buffer, len) == -1 )
1656  return -1;
1657
1658 if ( roar_buffer_get_data(buffer, buf) == -1 ) {
1659  roar_buffer_free(buffer);
1660  return -1;
1661 }
1662
1663 if ( stream_prethru_add(id, buffer) == -1 ) {
1664  roar_buffer_free(buffer);
1665  return -1;
1666 }
1667
1668 return 0;
1669}
1670
1671int stream_prethru_destroy(int id) {
1672 int ret;
1673 register struct roar_stream_server *  ss;
1674
1675 _CHECK_SID(id);
1676
1677 if ( (ss = g_streams[id]) == NULL )
1678  return -1;
1679
1680 if ( ss->prethru != NULL ) {
1681  ret = roar_buffer_free(ss->prethru);
1682  ss->prethru = NULL;
1683  return ret;
1684 }
1685
1686 return 0;
1687}
1688
1689int stream_prethru_send(int dst, int src) {
1690 struct roar_stream_server *  dst_ss, * src_ss;
1691 struct roar_buffer * bufbuf;
1692 void * bufdata;
1693 size_t buflen;
1694
1695 ROAR_DBG("stream_prethru_send(dst=%i, src=%i) = ?", dst, src);
1696
1697 _CHECK_SID(dst);
1698 _CHECK_SID(src);
1699
1700 if ( (dst_ss = g_streams[dst]) == NULL )
1701  return -1;
1702
1703 if ( (src_ss = g_streams[src]) == NULL )
1704  return -1;
1705
1706 bufbuf = src_ss->prethru;
1707
1708 ROAR_DBG("stream_prethru_send(dst=%i, src=%i): prethru buffer at %p", dst, src, bufbuf);
1709
1710 while (bufbuf != NULL) {
1711  ROAR_DBG("stream_prethru_send(dst=%i, src=%i): looping with buffer at %p", dst, src, bufbuf);
1712
1713  if ( roar_buffer_get_data(bufbuf, &bufdata) == -1 )
1714   return -1;
1715
1716  if ( roar_buffer_get_len(bufbuf, &buflen) == -1 )
1717   return -1;
1718
1719  if ( stream_vio_s_write(dst_ss, bufdata, buflen) != buflen )
1720   return -1;
1721
1722  if ( roar_buffer_get_next(bufbuf, &bufbuf) == -1 )
1723   return -1;
1724 }
1725
1726 ROAR_DBG("stream_prethru_send(dst=%i, src=%i) = 0", dst, src);
1727 return 0;
1728}
1729
1730int streams_check  (int id) {
1731 int fh;
1732 ssize_t req, realreq, done;
1733 struct roar_stream        *   s;
1734 struct roar_stream_server *  ss;
1735 struct roar_buffer        *   b;
1736 char                      * buf;
1737// char                        tmp;
1738
1739 _CHECK_SID(id);
1740
1741 ROAR_DBG("streams_check(id=%i) = ?", id);
1742
1743 s = ROAR_STREAM(ss = g_streams[id]);
1744
1745 if ( (fh = s->fh) == -1 )
1746  return 0;
1747
1748 if ( streams_get_flag(id, ROAR_FLAG_PAUSE) )
1749  return 0;
1750
1751 switch (s->dir) {
1752  case ROAR_DIR_LIGHT_IN:
1753#ifndef ROAR_WITHOUT_DCOMP_LIGHT
1754    return light_check_stream(id);
1755#else
1756    streams_delete(id);
1757    return -1;
1758#endif
1759   break;
1760  case ROAR_DIR_MIDI_IN:
1761#ifndef ROAR_WITHOUT_DCOMP_MIDI
1762    return midi_check_stream(id);
1763#else
1764    streams_delete(id);
1765    return -1;
1766#endif
1767   break;
1768  case ROAR_DIR_RAW_IN:
1769#ifndef ROAR_WITHOUT_DCOMP_RAW
1770    return raw_check_stream(id);
1771#else
1772    streams_delete(id);
1773    return -1;
1774#endif
1775   break;
1776  case ROAR_DIR_RDTCS_IN:
1777#ifndef ROAR_WITHOUT_DCOMP_RDTCS
1778    return rdtcs_check_stream(id);
1779#else
1780    streams_delete(id);
1781    return -1;
1782#endif
1783   break;
1784  case ROAR_DIR_PLAY:
1785  case ROAR_DIR_BIDIR:
1786   break;
1787  default:
1788/*
1789    ROAR_WARN("streams_check(id=%i): Read event on non input stream of type/dir %s", id, roar_dir2str(s->dir));
1790    errno = 0;
1791    req = stream_vio_s_read(ss, &tmp, 1);
1792    ROAR_DBG("streams_check(id=%i): stream_vio_s_read(ss, &tmp, 1) = %li // errno=%s(%i)", id, req, strerror(errno), errno);
1793    if ( req == 1 ) {
1794     ROAR_ERR("streams_check(id=%i): Client violates protocol, got one byte of data on output stream, kicking stream");
1795     streams_delete(id);
1796     return -1;
1797    }
1798*/
1799    return 0;
1800   break;
1801 }
1802
1803 ROAR_DBG("streams_check(id=%i): fh = %i", id, fh);
1804
1805/*
1806 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);
1807*/
1808
1809 req  = ROAR_OUTPUT_CALC_OUTBUFSIZE(&(s->info)); // optimal size
1810// req  = ROAR_OUTPUT_BUFFER_SAMPLES * s->info.channels * (s->info.bits / 8) * ((float)s->info.rate/g_sa->rate);
1811 req += ss->need_extra; // bytes left we sould get....
1812
1813 ROAR_DBG("streams_check(id=%i): asking for %i bytes", id, req);
1814
1815 if ( roar_buffer_new(&b, req) == -1 ) {
1816  ROAR_ERR("streams_check(*): Can not alloc buffer space!");
1817  ROAR_DBG("streams_check(*) = -1");
1818  return -1;
1819 }
1820
1821 roar_buffer_get_data(b, (void **)&buf);
1822
1823 ROAR_DBG("streams_check(id=%i): buffer is up and ready ;)", id);
1824 ROAR_DBG("streams_check(id=%i): asking for %i bytes", id, req);
1825
1826 if ( ss->codecfilter == -1 ) {
1827  realreq = req;
1828/*
1829  req = read(fh, buf, req);
1830  if ( req < realreq ) { // we can do this as the stream is in nonblocking mode!
1831   if ( (realreq = read(fh, buf+req, realreq-req)) > 0 )
1832    req += realreq;
1833  }
1834*/
1835  done = 0;
1836  while (req > 0 && done != realreq) {
1837   if ( (req = stream_vio_s_read(ss, buf+done, realreq-done)) > 0 )
1838    done += req;
1839  }
1840  req = done;
1841
1842  roar_buffer_get_data(b, (void **)&buf);
1843 } else {
1844  req = codecfilter_read(ss->codecfilter_inst, ss->codecfilter, buf, req);
1845 }
1846
1847 if ( req > 0 ) {
1848  ROAR_DBG("streams_check(id=%i): got %i bytes", id, req);
1849
1850  roar_buffer_set_len(b, req);
1851
1852  if ( stream_add_buffer(id, b) != -1 )
1853   return 0;
1854
1855  ROAR_ERR("streams_check(id=%i): something is wrong, could not add buffer to stream!", id);
1856  roar_buffer_free(b);
1857 } else {
1858  ROAR_DBG("streams_check(id=%i): read() = %i // errno: %s", id, req, strerror(errno));
1859#ifdef ROAR_HAVE_LIBVORBISFILE
1860  if ( errno != EAGAIN && errno != ESPIPE ) { // libvorbis file trys to seek a bit ofen :)
1861#else
1862  if ( errno != EAGAIN ) {
1863#endif
1864   ROAR_DBG("streams_check(id=%i): EOF!", id);
1865   streams_delete(id);
1866   ROAR_DBG("streams_check(id=%i) = 0", id);
1867  }
1868  roar_buffer_free(b);
1869  return 0;
1870 }
1871
1872
1873 ROAR_DBG("streams_check(id=%i) = -1", id);
1874 return -1;
1875}
1876
1877
1878#define _return(x) return (x)
1879int streams_send_mon   (int id) {
1880// int fh;
1881 struct roar_stream        *   s;
1882 struct roar_stream_server *  ss;
1883 struct roar_buffer        *  bufbuf = NULL;
1884 struct roar_remove_state     removalstate;
1885 void  * ip;
1886 void  * obuf;
1887 int     olen;
1888 int     is_the_same     = 1;
1889 int     is_vol_eq       = 1;
1890 int     antiecho        = 0;
1891 ssize_t ret;
1892
1893 _CHECK_SID(id);
1894
1895 ROAR_DBG("streams_send_mon(id=%i) = ?", id);
1896
1897 s = ROAR_STREAM((ss = g_streams[id]));
1898
1899/*
1900 if ( (fh = s->fh) == -1 )
1901  return 0;
1902*/
1903
1904 if ( !ss->ready )
1905  return 0;
1906
1907 if ( g_config->jumbo_mtu )
1908  roar_vio_sync(ss->viop);
1909
1910 if ( streams_get_flag(id, ROAR_FLAG_PAUSE) )
1911  return 0;
1912
1913 switch (s->dir) {
1914  case ROAR_DIR_LIGHT_OUT:
1915#ifndef ROAR_WITHOUT_DCOMP_LIGHT
1916    return light_send_stream(id);
1917#else
1918    streams_delete(id);
1919    return -1;
1920#endif
1921   break;
1922  case ROAR_DIR_MIDI_OUT:
1923#ifndef ROAR_WITHOUT_DCOMP_MIDI
1924    return midi_send_stream(id);
1925#else
1926    streams_delete(id);
1927    return -1;
1928#endif
1929   break;
1930  case ROAR_DIR_RDTCS_OUT:
1931#ifndef ROAR_WITHOUT_DCOMP_RDTCS
1932    return rdtcs_send_stream(id);
1933#else
1934    streams_delete(id);
1935    return -1;
1936#endif
1937   break;
1938
1939  case ROAR_DIR_COMPLEX_OUT:
1940    // send a tick:
1941    if ( ss->codecfilter != -1 ) {
1942     if ( codecfilter_write(ss->codecfilter_inst, ss->codecfilter, NULL, 0) == 0 )
1943      if ( ss->state != ROAR_STREAMSTATE_OLD ) {
1944       //ROAR_INFO("streams_send_mon(id=%i): stream state: %s->old", ROAR_DBG_INFO_VERBOSE, id, roar_streamstate2str(ss->state));
1945       _streams_change_state(ss, ROAR_STREAMSTATE_OLD, "streams_send_mon");
1946      }
1947    }
1948    return 0;
1949   break;
1950
1951  case ROAR_DIR_OUTPUT:
1952    if ( g_standby )
1953     return 0;
1954  case ROAR_DIR_MONITOR:
1955  case ROAR_DIR_BIDIR:
1956   break;
1957
1958  default:
1959    return 0;
1960   break;
1961 }
1962
1963
1964 ROAR_DBG("streams_send_mon(id=%i): fh = %i", id, s->fh);
1965
1966 if ( s->info.channels != g_sa->channels || s->info.bits  != g_sa->bits ||
1967      s->info.rate     != g_sa->rate     || s->info.codec != g_sa->codec  )
1968  is_the_same = 0;
1969
1970 if ( !streams_get_flag(id, ROAR_FLAG_HWMIXER) ) {
1971  is_vol_eq = need_vol_change(g_sa->channels, &(ss->mixer)) ? 0 : 1;
1972 }
1973
1974 if ( streams_get_flag(id, ROAR_FLAG_ANTIECHO) )
1975  antiecho = 1;
1976
1977 if ( !is_the_same || !is_vol_eq || antiecho ) {
1978  olen = ROAR_OUTPUT_CALC_OUTBUFSIZE(&(s->info)); // we hope g_output_buffer_len
1979                                                  // is ROAR_OUTPUT_CALC_OUTBUFSIZE(g_sa) here
1980  if ( stream_outputbuffer_request(id, &bufbuf, ROAR_OUTPUT_CALC_OUTBUFSIZE_MAX(&(s->info), g_sa)) == -1 )
1981   return -1;
1982
1983  if ( roar_buffer_get_data(bufbuf, &obuf) == -1 ) {
1984   _return(-1);
1985  }
1986
1987  ROAR_DBG("streams_send_mon(id=%i): obuf=%p, olen=%i", id, obuf, olen);
1988 } else {
1989  obuf = g_output_buffer;
1990  olen = g_output_buffer_len;
1991 }
1992
1993 ip = g_output_buffer;
1994
1995 if ( antiecho ) {
1996  ROAR_DBG("streams_send_mon(id=%i): antiecho=%i", id, antiecho);
1997  if ( roar_remove_init(&removalstate) == -1 ) {
1998   _return(-1);
1999  }
2000
2001  ROAR_DBG("streams_send_mon(id=%i): antiecho=%i", id, antiecho);
2002  if ( roar_remove_so(obuf, ip, ROAR_OUTPUT_BUFFER_SAMPLES*g_sa->channels, g_sa->bits, &removalstate) == -1 ) {
2003   ROAR_DBG("streams_send_mon(id=%i): anti echo failed", id);
2004   _return(-1);
2005  }
2006  ROAR_DBG("streams_send_mon(id=%i): antiecho=%i", id, antiecho);
2007 }
2008
2009 if ( !is_vol_eq ) {
2010  if ( roar_amp_pcm(obuf, g_sa->bits, ip, ROAR_OUTPUT_BUFFER_SAMPLES*g_sa->channels, g_sa->channels, &(ss->mixer)) == -1 ) {
2011   _return(-1);
2012  }
2013
2014  ip = obuf;
2015 }
2016
2017 streams_ltm_calc(id, &(s->info), ip, (ROAR_OUTPUT_BUFFER_SAMPLES*g_sa->channels*g_sa->bits)/8);
2018
2019 if ( !is_the_same ) {
2020  if ( roar_conv(obuf, ip, ROAR_OUTPUT_BUFFER_SAMPLES*g_sa->channels, g_sa, &(s->info)) == -1 ) {
2021   _return(-1);
2022  }
2023 }
2024
2025 errno = 0;
2026
2027 if ( ss->codecfilter == -1 ) {
2028  ROAR_DBG("streams_send_mon(id=%i): not a CF stream", id);
2029  if ( s->fh == -1 && roar_vio_get_fh(&(ss->vio)) == -1 ) {
2030   ROAR_DBG("streams_send_mon(id=%i) = 0", id);
2031   _return(0);
2032  }
2033
2034  ROAR_DBG("streams_send_mon(id=%i) = ?", id);
2035
2036  if ( (ret = stream_vio_s_write(ss, obuf, olen)) == olen ) {
2037   s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), olen)*s->info.channels);
2038   if ( ss->state != ROAR_STREAMSTATE_OLD ) {
2039    //ROAR_INFO("streams_send_mon(id=%i): stream state: %s->old", ROAR_DBG_INFO_VERBOSE, id, roar_streamstate2str(ss->state));
2040    _streams_change_state(ss, ROAR_STREAMSTATE_OLD, "streams_send_mon");
2041   }
2042   ROAR_DBG("streams_send_mon(id=%i) = 0", id);
2043   _return(0);
2044  }
2045
2046  ROAR_DBG("streams_send_mon(id=%i) = ?", id);
2047
2048  if ( ret > 0 && errno == 0 ) {
2049   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);
2050   roar_notify_core_emit_simple(ROAR_OE_STREAM_XRUN, -1, id, ROAR_OT_STREAM, ROAR_XRUN_OVER_POST, -1, NULL, 0);
2051   s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), ret)*s->info.channels);
2052   if ( ss->state != ROAR_STREAMSTATE_OLD ) {
2053    //ROAR_INFO("streams_send_mon(id=%i): stream state: %s->old", ROAR_DBG_INFO_VERBOSE, id, roar_streamstate2str(ss->state));
2054    _streams_change_state(ss, ROAR_STREAMSTATE_OLD, "streams_send_mon");
2055   }
2056   _return(0);
2057  }
2058 } else {
2059  errno = 0;
2060  if ( codecfilter_write(ss->codecfilter_inst, ss->codecfilter, obuf, olen)
2061            == olen ) {
2062   s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), olen)*s->info.channels);
2063   if ( ss->state != ROAR_STREAMSTATE_OLD ) {
2064    //ROAR_INFO("streams_send_mon(id=%i): stream state: %s->old", ROAR_DBG_INFO_VERBOSE, id, roar_streamstate2str(ss->state));
2065    _streams_change_state(ss, ROAR_STREAMSTATE_OLD, "streams_send_mon");
2066   }
2067   _return(0);
2068  } else { // we cann't retry on codec filetered streams
2069   if ( errno != EAGAIN ) {
2070    streams_delete(id);
2071    _return(-1);
2072   }
2073  }
2074 }
2075
2076 if ( errno == EAGAIN ) {
2077  // ok, the client blocks for a moment, we try to sleep a bit an retry in the hope not to
2078  // make any gapes in any output because of this
2079
2080#ifdef ROAR_HAVE_USLEEP
2081  usleep(100); // 0.1ms
2082#endif
2083
2084  if ( stream_vio_s_write(ss, obuf, olen) == olen ) {
2085   s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), olen)*s->info.channels);
2086   if ( ss->state != ROAR_STREAMSTATE_OLD ) {
2087    //ROAR_INFO("streams_send_mon(id=%i): stream state: %s->old", ROAR_DBG_INFO_VERBOSE, id, roar_streamstate2str(ss->state));
2088    _streams_change_state(ss, ROAR_STREAMSTATE_OLD, "streams_send_mon");
2089   }
2090   _return(0);
2091  } else if ( errno == EAGAIN ) {
2092   ROAR_WARN("streams_send_mon(id=%i): Can not send data to client: %s", id, strerror(errno));
2093   _return(0);
2094  }
2095 }
2096
2097 // ug... error... delete stream!
2098
2099 streams_delete(id);
2100
2101 _return(-1);
2102}
2103#undef _return
2104
2105int streams_send_filter(int id) {
2106 int fh;
2107 int have = 0;
2108 int len;
2109 struct roar_stream        *   s;
2110 struct roar_stream_server *  ss;
2111
2112 _CHECK_SID(id);
2113
2114 ROAR_DBG("streams_send_filter(id=%i) = ?", id);
2115
2116 s = ROAR_STREAM(ss = g_streams[id]);
2117
2118 if ( (fh = s->fh) == -1 )
2119  return 0;
2120
2121 if ( s->dir != ROAR_DIR_FILTER )
2122  return 0;
2123
2124 if ( streams_get_flag(id, ROAR_FLAG_PAUSE) )
2125  return 0;
2126
2127
2128 ROAR_DBG("streams_send_filter(id=%i): fh = %i", id, fh);
2129
2130 if ( stream_vio_s_write(ss, g_output_buffer, g_output_buffer_len) == g_output_buffer_len ) {
2131  while ( have < g_output_buffer_len ) {
2132   if ( (len = stream_vio_s_read(ss, g_output_buffer+have, g_output_buffer_len-have)) < 1 ) {
2133    streams_delete(id);
2134    return -1;
2135   }
2136   have += len;
2137  }
2138  return 0;
2139 }
2140
2141 // ug... error... delete stream!
2142
2143 streams_delete(id);
2144
2145 return -1;
2146}
2147
2148
2149// VIO:
2150
2151ssize_t stream_vio_read (int stream, void *buf, size_t count) {
2152 _CHECK_SID(stream);
2153
2154 return stream_vio_s_read(g_streams[stream], buf, count);
2155}
2156
2157ssize_t stream_vio_write(int stream, void *buf, size_t count) {
2158 _CHECK_SID(stream);
2159
2160 return stream_vio_s_write(g_streams[stream], buf, count);
2161}
2162
2163
2164ssize_t stream_vio_s_read (struct roar_stream_server * stream, void *buf, size_t count) {
2165 void    * orig_buf = buf;
2166  size_t   len      =  0;
2167 ssize_t   r        = -1;
2168 int       i;
2169
2170 errno = 0;
2171
2172 if ( !stream )
2173  return -1;
2174
2175 //roar_vio_set_fh(&(stream->vio), ROAR_STREAM(stream)->fh);
2176
2177 if ( ! stream->vio.read )
2178  return -1;
2179
2180 while ( (r = roar_vio_read(&(stream->vio), buf, count)) > 0 ) {
2181  len   += r;
2182  buf   += r;
2183  count -= r;
2184  if ( count == 0 )
2185   break;
2186 }
2187
2188 if ( len == 0 && r == -1 )
2189  return -1;
2190
2191 if ( streams_thru_num ) {
2192  for (i = 0; i < ROAR_STREAMS_MAX; i++) {
2193   if ( g_streams[i] != NULL && ROAR_STREAM(g_streams[i])->pos_rel_id == ROAR_STREAM(stream)->id ) {
2194    if ( ROAR_STREAM(g_streams[i])->dir == ROAR_DIR_THRU ) {
2195     if ( g_streams[i]->ready ) {
2196      if ( stream_vio_write(i, orig_buf, len) != len )
2197       streams_delete(i);
2198
2199      if ( g_streams[i] != NULL ) {
2200       if ( g_streams[i]->state != ROAR_STREAMSTATE_OLD ) {
2201        //ROAR_INFO("stream_vio_s_read(*): (stream: %i) stream state: %s->old", ROAR_DBG_INFO_VERBOSE, i, roar_streamstate2str(g_streams[i]->state));
2202        _streams_change_state(g_streams[i], ROAR_STREAMSTATE_OLD, "stream_vio_s_read");
2203       }
2204      }
2205     }
2206    }
2207   }
2208  }
2209 }
2210
2211 return len;
2212}
2213
2214ssize_t stream_vio_s_write(struct roar_stream_server * stream, void *buf, size_t count) {
2215 int i;
2216
2217 errno = 0;
2218
2219 if ( !stream )
2220  return -1;
2221
2222/*
2223 if ( roar_vio_get_fh(&(stream->vio)) == -1 && ROAR_STREAM(stream)->fh != -1 )
2224  roar_vio_set_fh(&(stream->vio), ROAR_STREAM(stream)->fh);
2225*/
2226
2227// ROAR_WARN("stream_vio_s_write(*): writing...");
2228
2229 if ( streams_thru_num ) {
2230  for (i = 0; i < ROAR_STREAMS_MAX; i++) {
2231   if ( g_streams[i] != NULL && ROAR_STREAM(g_streams[i])->pos_rel_id == ROAR_STREAM(stream)->id ) {
2232    if ( ROAR_STREAM(g_streams[i])->dir == ROAR_DIR_THRU ) {
2233     if ( g_streams[i]->ready ) {
2234      if ( g_streams[i]->state == ROAR_STREAMSTATE_NEW ) {
2235       if ( streams_get_flag(i, ROAR_FLAG_PRETHRU) == 1 ) {
2236        if ( stream_prethru_send(i, ROAR_STREAM(stream)->id) == -1 ) {
2237         streams_delete(i);
2238        }
2239       }
2240      }
2241
2242      if ( stream_vio_write(i, buf, count) != count ) {
2243       streams_delete(i);
2244      }
2245
2246      if ( g_streams[i] != NULL ) {
2247       if ( g_streams[i]->state != ROAR_STREAMSTATE_OLD ) {
2248        //ROAR_INFO("stream_vio_s_write(*): (stream: %i) stream state: %s->old", ROAR_DBG_INFO_VERBOSE, i, roar_streamstate2str(g_streams[i]->state));
2249        _streams_change_state(g_streams[i], ROAR_STREAMSTATE_OLD, "stream_vio_s_write");
2250       }
2251      }
2252     }
2253    }
2254   }
2255  }
2256 }
2257
2258 if ( g_config->jumbo_mtu ) {
2259  if ( stream->viop != &(stream->jumbo) ) {
2260   if ( roar_vio_open_jumbo(&(stream->jumbo), &(stream->vio), g_config->jumbo_mtu) != -1 ) {
2261    // if that works we continue using the jumbo vio,
2262    // in case it didn't we dont, just use normal VIO.
2263    stream->viop = &(stream->jumbo);
2264   }
2265  }
2266 }
2267
2268 return roar_vio_write(stream->viop, buf, count);
2269}
2270
2271//ll
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