1 | //vs.c: |
---|
2 | |
---|
3 | /* |
---|
4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2011 |
---|
5 | * |
---|
6 | * This file is part of libroar a part of RoarAudio, |
---|
7 | * a cross-platform sound system for both, home and professional use. |
---|
8 | * See README for details. |
---|
9 | * |
---|
10 | * This file is free software; you can redistribute it and/or modify |
---|
11 | * it under the terms of the GNU General Public License version 3 |
---|
12 | * as published by the Free Software Foundation. |
---|
13 | * |
---|
14 | * libroar is distributed in the hope that it will be useful, |
---|
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
17 | * GNU General Public License for more details. |
---|
18 | * |
---|
19 | * You should have received a copy of the GNU General Public License |
---|
20 | * along with this software; see the file COPYING. If not, write to |
---|
21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
---|
22 | * Boston, MA 02110-1301, USA. |
---|
23 | * |
---|
24 | * NOTE for everyone want's to change something and send patches: |
---|
25 | * read README and HACKING! There a addition information on |
---|
26 | * the license of this document you need to read before you send |
---|
27 | * any patches. |
---|
28 | * |
---|
29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
---|
30 | * or libpulse*: |
---|
31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
---|
32 | * and are therefore GPL. Because of this it may be illigal to use |
---|
33 | * them with any software that uses libesd, libartsc or libpulse*. |
---|
34 | */ |
---|
35 | |
---|
36 | #include "libroar.h" |
---|
37 | |
---|
38 | #if defined(ROAR_HAVE_GETSOCKOPT) && defined(ROAR_HAVE_SETSOCKOPT) |
---|
39 | #define _HAVE_SOCKOPT |
---|
40 | #endif |
---|
41 | |
---|
42 | #define LOCAL_CLOCK ROAR_CLOCK_DEFAULT |
---|
43 | #define ASYNC_QLEN 4 |
---|
44 | |
---|
45 | #define FLAG_NONE 0x0000 |
---|
46 | #define FLAG_STREAM 0x0001 |
---|
47 | #define FLAG_NONBLOCK 0x0002 |
---|
48 | #define FLAG_BUFFERED 0x0004 |
---|
49 | #define FLAG_CLOSEFILE 0x0008 |
---|
50 | #define FLAG_FREE_VOL 0x0010 |
---|
51 | #define FLAG_DEF_PAUSE 0x0020 |
---|
52 | #define FLAG_DIR_IN 0x1000 |
---|
53 | #define FLAG_DIR_OUT 0x2000 |
---|
54 | |
---|
55 | #define _initerr() roar_err_clear_all() |
---|
56 | #define _seterr(x) do { if ( error != NULL ) *error = (x); roar_err_set((x)); ROAR_DBG("roar_vs_*(*): *error=%s(%i)", roar_vs_strerr((x)), (x)); } while(0) |
---|
57 | #define _seterrre() do { _seterr(roar_error); } while(0) |
---|
58 | #define _seterrse() do { roar_err_from_errno(); _seterr(roar_error); } while(0) |
---|
59 | #define _ckvss(ret) do { if ( vss == NULL ) { _seterr(ROAR_ERROR_INVAL); return (ret); } } while(0) |
---|
60 | #define _ckasync(ret) do { if ( _handle_async(vss, error) == -1 ) { return (ret); } } while(0) |
---|
61 | |
---|
62 | struct roar_vs { |
---|
63 | int flags; |
---|
64 | struct roar_connection con_store; |
---|
65 | struct roar_connection * con; |
---|
66 | struct roar_stream stream; |
---|
67 | struct roar_vio_calls vio; |
---|
68 | struct roar_audio_info info; |
---|
69 | size_t readc, writec; |
---|
70 | int mixerid; |
---|
71 | int first_primid; |
---|
72 | struct roar_buffer * readbuffer, * writebuffer; |
---|
73 | struct roar_vio_calls file_store; |
---|
74 | struct roar_vio_calls * file; |
---|
75 | struct roar_buffer * readring, * writering; |
---|
76 | #ifdef _HAVE_SOCKOPT |
---|
77 | struct { |
---|
78 | float target; |
---|
79 | float window; |
---|
80 | float minlag; |
---|
81 | float p; |
---|
82 | } latc; |
---|
83 | #endif |
---|
84 | struct { |
---|
85 | ssize_t last_pos; |
---|
86 | ssize_t last_offset; |
---|
87 | struct roar_time last_time; |
---|
88 | } latmes; |
---|
89 | struct { |
---|
90 | int level; |
---|
91 | size_t lock; |
---|
92 | size_t qlen; |
---|
93 | int qcmd[ASYNC_QLEN]; |
---|
94 | int qsubcmd[ASYNC_QLEN]; |
---|
95 | } async; |
---|
96 | }; |
---|
97 | |
---|
98 | static int _roar_vs_find_first_prim(roar_vs_t * vss); |
---|
99 | |
---|
100 | static int _send_async_req(roar_vs_t * vss, int cmd, int subcmd, int * error) { |
---|
101 | struct roar_message mes; |
---|
102 | uint16_t * data = (uint16_t *) mes.data; |
---|
103 | |
---|
104 | if ( !vss->async.level ) { |
---|
105 | _seterr(ROAR_ERROR_INVAL); |
---|
106 | return -1; |
---|
107 | } |
---|
108 | |
---|
109 | if ( vss->async.lock ) { |
---|
110 | _seterr(ROAR_ERROR_BUSY); |
---|
111 | return -1; |
---|
112 | } |
---|
113 | |
---|
114 | if ( vss->async.qlen == ASYNC_QLEN ) { |
---|
115 | _seterr(ROAR_ERROR_NOSPC); |
---|
116 | return -1; |
---|
117 | } |
---|
118 | |
---|
119 | memset(&mes, 0, sizeof(mes)); |
---|
120 | |
---|
121 | mes.cmd = cmd; |
---|
122 | mes.stream = roar_stream_get_id(&(vss->stream)); |
---|
123 | mes.pos = 0; |
---|
124 | |
---|
125 | if ( cmd == ROAR_CMD_GET_STREAM_PARA && subcmd == ROAR_STREAM_PARA_INFO ) { |
---|
126 | mes.datalen = 4; |
---|
127 | data[0] = ROAR_HOST2NET16(0); // Version and reserved |
---|
128 | data[1] = ROAR_HOST2NET16(ROAR_STREAM_PARA_INFO); // stream |
---|
129 | } else if ( cmd == ROAR_CMD_GET_STREAM ) { |
---|
130 | mes.datalen = 1; |
---|
131 | mes.data[0] = mes.stream; |
---|
132 | } else { |
---|
133 | _seterr(ROAR_ERROR_NOSYS); |
---|
134 | return -1; |
---|
135 | } |
---|
136 | |
---|
137 | if ( roar_send_message(vss->con, &mes, NULL) == -1 ) { |
---|
138 | _seterrre(); |
---|
139 | return -1; |
---|
140 | } |
---|
141 | |
---|
142 | vss->async.qcmd[vss->async.qlen] = cmd; |
---|
143 | vss->async.qsubcmd[vss->async.qlen] = subcmd; |
---|
144 | vss->async.qlen++; |
---|
145 | |
---|
146 | return 0; |
---|
147 | } |
---|
148 | |
---|
149 | static int _handle_async_req(roar_vs_t * vss, int * error) { |
---|
150 | struct roar_message mes; |
---|
151 | char * data = NULL; |
---|
152 | uint16_t * ud16 = (uint16_t *) mes.data; |
---|
153 | ssize_t offset; |
---|
154 | int cmd, subcmd; |
---|
155 | int i; |
---|
156 | |
---|
157 | if ( roar_recv_message(vss->con, &mes, &data) == -1 ) { |
---|
158 | _seterrre(); |
---|
159 | } |
---|
160 | |
---|
161 | cmd = vss->async.qcmd[0]; |
---|
162 | subcmd = vss->async.qsubcmd[0]; |
---|
163 | vss->async.qlen--; |
---|
164 | |
---|
165 | for (i = 1; i < ASYNC_QLEN; i++) { |
---|
166 | vss->async.qcmd[i-1] = vss->async.qcmd[i]; |
---|
167 | vss->async.qsubcmd[i-1] = vss->async.qsubcmd[i]; |
---|
168 | } |
---|
169 | |
---|
170 | //printf("mes.cmd=%i, cmd=%i, subcmd=%i\n", (int)mes.cmd, cmd, subcmd); |
---|
171 | |
---|
172 | if ( mes.cmd == ROAR_CMD_OK ) { |
---|
173 | switch (cmd) { |
---|
174 | case ROAR_CMD_GET_STREAM_PARA: |
---|
175 | if ( subcmd == ROAR_STREAM_PARA_INFO ) { |
---|
176 | if ( mes.datalen >= 16 ) { |
---|
177 | for (i = 0; i < mes.datalen/2; i++) { |
---|
178 | ud16[i] = ROAR_HOST2NET16(ud16[i]); |
---|
179 | } |
---|
180 | if ( ud16[0] == 0 || ud16[1] == 1 ) { |
---|
181 | offset = ud16[7]; |
---|
182 | offset *= 1000; |
---|
183 | offset *= vss->info.rate; |
---|
184 | offset /= 1000000; |
---|
185 | vss->latmes.last_offset = offset; |
---|
186 | } |
---|
187 | } |
---|
188 | } else { |
---|
189 | ROAR_WARN("_handle_async_req(vss=%p, error=%p): Got unexpected reply for command GET_STREAM_PARA, subcommand", vss, error, subcmd); |
---|
190 | } |
---|
191 | break; |
---|
192 | case ROAR_CMD_GET_STREAM: |
---|
193 | if ( roar_clock_gettime(&(vss->latmes.last_time), LOCAL_CLOCK) == -1 ) { |
---|
194 | vss->latmes.last_pos = -1; |
---|
195 | } else { |
---|
196 | vss->latmes.last_pos = mes.pos; |
---|
197 | } |
---|
198 | //printf("vss->latmes.last_pos=%li, mes.pos=%li\n", (long int)vss->latmes.last_pos, (long int)mes.pos); |
---|
199 | break; |
---|
200 | default: |
---|
201 | ROAR_WARN("_handle_async_req(vss=%p, error=%p): Got unexpected reply for command %i", vss, error, cmd); |
---|
202 | _seterr(ROAR_ERROR_NOSYS); |
---|
203 | break; |
---|
204 | } |
---|
205 | } |
---|
206 | |
---|
207 | if ( data != NULL ) |
---|
208 | free(data); |
---|
209 | |
---|
210 | return 0; |
---|
211 | } |
---|
212 | |
---|
213 | static inline int _handle_async(roar_vs_t * vss, int * error) { |
---|
214 | while (vss->async.qlen) { |
---|
215 | if ( _handle_async_req(vss, error) == -1 ) { |
---|
216 | return -1; |
---|
217 | } |
---|
218 | } |
---|
219 | |
---|
220 | return 0; |
---|
221 | } |
---|
222 | |
---|
223 | static void _check_async(roar_vs_t * vss) { |
---|
224 | struct roar_vio_select vios; |
---|
225 | struct roar_vio_selecttv tv = {0, 0}; |
---|
226 | |
---|
227 | if ( !vss->async.qlen ) |
---|
228 | return; |
---|
229 | |
---|
230 | ROAR_VIO_SELECT_SETVIO(&vios, roar_get_connection_vio2(vss->con), ROAR_VIO_SELECT_READ); |
---|
231 | |
---|
232 | if ( roar_vio_select(&vios, 1, &tv, NULL) < 1 ) |
---|
233 | return; |
---|
234 | |
---|
235 | if ( !(vios.eventsa & ROAR_VIO_SELECT_READ) ) |
---|
236 | return; |
---|
237 | |
---|
238 | _handle_async_req(vss, NULL); |
---|
239 | } |
---|
240 | |
---|
241 | const char * roar_vs_strerr(int error) { |
---|
242 | const char * ret = roar_error2str(error); |
---|
243 | |
---|
244 | if ( ret == NULL ) |
---|
245 | return "(unknown)"; |
---|
246 | |
---|
247 | return ret; |
---|
248 | } |
---|
249 | |
---|
250 | static roar_vs_t * roar_vs_init(int * error) { |
---|
251 | roar_vs_t * vss = roar_mm_malloc(sizeof(roar_vs_t)); |
---|
252 | |
---|
253 | if ( vss == NULL ) { |
---|
254 | _seterrse(); |
---|
255 | return NULL; |
---|
256 | } |
---|
257 | |
---|
258 | memset(vss, 0, sizeof(roar_vs_t)); |
---|
259 | |
---|
260 | vss->mixerid = -1; |
---|
261 | vss->first_primid = -1; |
---|
262 | |
---|
263 | #ifdef _HAVE_SOCKOPT |
---|
264 | vss->latc.target = -2.; // must be less than latc.minlag! |
---|
265 | vss->latc.window = -1.; |
---|
266 | vss->latc.minlag = -1.; |
---|
267 | vss->latc.p = 0.005; |
---|
268 | #endif |
---|
269 | |
---|
270 | vss->latmes.last_pos = -1; |
---|
271 | |
---|
272 | return vss; |
---|
273 | } |
---|
274 | |
---|
275 | roar_vs_t * roar_vs_new_from_con(struct roar_connection * con, int * error) { |
---|
276 | roar_vs_t * vss = roar_vs_init(error); |
---|
277 | |
---|
278 | if ( vss == NULL ) |
---|
279 | return NULL; |
---|
280 | |
---|
281 | vss->con = con; |
---|
282 | |
---|
283 | return vss; |
---|
284 | } |
---|
285 | |
---|
286 | roar_vs_t * roar_vs_new(const char * server, const char * name, int * error) { |
---|
287 | roar_vs_t * vss = roar_vs_init(error); |
---|
288 | int ret; |
---|
289 | |
---|
290 | if ( vss == NULL ) |
---|
291 | return NULL; |
---|
292 | |
---|
293 | vss->con = &(vss->con_store); |
---|
294 | |
---|
295 | _initerr(); |
---|
296 | |
---|
297 | ret = roar_simple_connect(vss->con, (char*)server, (char*)name); |
---|
298 | |
---|
299 | if ( ret == -1 ) { |
---|
300 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
---|
301 | _seterrre(); |
---|
302 | return NULL; |
---|
303 | } |
---|
304 | |
---|
305 | return vss; |
---|
306 | } |
---|
307 | |
---|
308 | int roar_vs_stream(roar_vs_t * vss, const struct roar_audio_info * info, int dir, int * error) { |
---|
309 | struct roar_stream_info sinfo; |
---|
310 | int ret; |
---|
311 | |
---|
312 | _ckvss(-1); |
---|
313 | |
---|
314 | if ( vss->flags & FLAG_STREAM ) { |
---|
315 | _seterr(ROAR_ERROR_INVAL); |
---|
316 | return -1; |
---|
317 | } |
---|
318 | |
---|
319 | if ( dir == ROAR_DIR_FILTER ) |
---|
320 | vss->flags |= FLAG_DEF_PAUSE; |
---|
321 | |
---|
322 | _initerr(); |
---|
323 | |
---|
324 | if ( info != &(vss->info) ) |
---|
325 | memcpy(&(vss->info), info, sizeof(struct roar_audio_info)); |
---|
326 | |
---|
327 | ret = roar_vio_simple_new_stream_obj(&(vss->vio), vss->con, &(vss->stream), |
---|
328 | info->rate, info->channels, info->bits, info->codec, |
---|
329 | dir |
---|
330 | ); |
---|
331 | |
---|
332 | if ( ret == -1 ) { |
---|
333 | _seterrre(); |
---|
334 | return -1; |
---|
335 | } |
---|
336 | |
---|
337 | if ( roar_stream_get_info(vss->con, &(vss->stream), &sinfo) != -1 ) { |
---|
338 | // TODO: fix this: |
---|
339 | // as we currently do not support to select mixer we just check if we hit the |
---|
340 | // right one. |
---|
341 | if ( vss->mixerid != -1 && vss->mixerid != sinfo.mixer ) { |
---|
342 | _seterr(ROAR_ERROR_INVAL); // TODO: should we maybe use a diffrent value? |
---|
343 | roar_vio_close(&(vss->vio)); |
---|
344 | return -1; |
---|
345 | } |
---|
346 | |
---|
347 | vss->mixerid = sinfo.mixer; |
---|
348 | _roar_vs_find_first_prim(vss); |
---|
349 | } |
---|
350 | |
---|
351 | vss->flags |= FLAG_STREAM; |
---|
352 | |
---|
353 | switch (dir) { |
---|
354 | case ROAR_DIR_PLAY: vss->flags |= FLAG_DIR_OUT; break; |
---|
355 | } |
---|
356 | |
---|
357 | return 0; |
---|
358 | } |
---|
359 | |
---|
360 | roar_vs_t * roar_vs_new_simple(const char * server, const char * name, int rate, int channels, int codec, int bits, int dir, int * error) { |
---|
361 | roar_vs_t * vss = roar_vs_new(server, name, error); |
---|
362 | int ret; |
---|
363 | |
---|
364 | if (vss == NULL) |
---|
365 | return NULL; |
---|
366 | |
---|
367 | memset(&(vss->info), 0, sizeof(vss->info)); |
---|
368 | |
---|
369 | vss->info.rate = rate; |
---|
370 | vss->info.channels = channels; |
---|
371 | vss->info.codec = codec; |
---|
372 | vss->info.bits = bits; |
---|
373 | |
---|
374 | ret = roar_vs_stream(vss, &(vss->info), dir, error); |
---|
375 | |
---|
376 | if (ret == -1) { |
---|
377 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
---|
378 | return NULL; |
---|
379 | } |
---|
380 | |
---|
381 | return vss; |
---|
382 | } |
---|
383 | |
---|
384 | int roar_vs_file(roar_vs_t * vss, struct roar_vio_calls * vio, int closefile, int * error) { |
---|
385 | _ckvss(-1); |
---|
386 | |
---|
387 | if ( vio == NULL || (closefile != ROAR_VS_TRUE && closefile != ROAR_VS_FALSE)) { |
---|
388 | _seterr(ROAR_ERROR_INVAL); |
---|
389 | return -1; |
---|
390 | } |
---|
391 | |
---|
392 | if ( vss->file != NULL ) { |
---|
393 | _seterr(ROAR_ERROR_INVAL); |
---|
394 | return -1; |
---|
395 | } |
---|
396 | |
---|
397 | vss->file = vio; |
---|
398 | if ( closefile == ROAR_VS_TRUE ) |
---|
399 | vss->flags |= FLAG_CLOSEFILE; |
---|
400 | |
---|
401 | return 0; |
---|
402 | } |
---|
403 | |
---|
404 | int roar_vs_file_simple(roar_vs_t * vss, char * filename, int * error) { |
---|
405 | struct roar_vio_defaults def; |
---|
406 | struct roar_vio_calls * file; |
---|
407 | char buf[64]; |
---|
408 | ssize_t ret; |
---|
409 | int dir = O_RDONLY; |
---|
410 | int codec = -1; |
---|
411 | const char * content_type; |
---|
412 | |
---|
413 | _ckvss(-1); |
---|
414 | |
---|
415 | if ( vss->file != NULL ) { |
---|
416 | _seterr(ROAR_ERROR_INVAL); |
---|
417 | return -1; |
---|
418 | } |
---|
419 | |
---|
420 | if ( vss->flags & FLAG_STREAM ) { |
---|
421 | switch (vss->flags & (FLAG_DIR_IN|FLAG_DIR_OUT)) { |
---|
422 | case FLAG_DIR_IN: dir = O_WRONLY; break; |
---|
423 | case FLAG_DIR_OUT: dir = O_RDONLY; break; |
---|
424 | case FLAG_DIR_IN|FLAG_DIR_OUT: dir = O_RDWR; break; |
---|
425 | default: |
---|
426 | _seterr(ROAR_ERROR_INVAL); |
---|
427 | return -1; |
---|
428 | } |
---|
429 | } |
---|
430 | |
---|
431 | file = &(vss->file_store); |
---|
432 | |
---|
433 | _initerr(); |
---|
434 | |
---|
435 | if ( roar_vio_dstr_init_defaults(&def, ROAR_VIO_DEF_TYPE_NONE, dir, 0644) == -1 ) { |
---|
436 | _seterrre(); |
---|
437 | return -1; |
---|
438 | } |
---|
439 | |
---|
440 | if ( roar_vio_open_dstr(file, filename, &def, 1) == -1 ) { |
---|
441 | _seterrre(); |
---|
442 | return -1; |
---|
443 | } |
---|
444 | |
---|
445 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
446 | if ( roar_vio_ctl(file, ROAR_VIO_CTL_GET_MIMETYPE, &content_type) != -1 ) { |
---|
447 | codec = roar_mime2codec(content_type); |
---|
448 | } |
---|
449 | |
---|
450 | if ( codec == -1 ) { |
---|
451 | ret = roar_vio_read(file, buf, sizeof(buf)); |
---|
452 | |
---|
453 | codec = roar_file_codecdetect(buf, ret); |
---|
454 | |
---|
455 | if ( codec == -1 ) { |
---|
456 | roar_vio_close(file); |
---|
457 | _seterr(ROAR_ERROR_INVAL); // Other value? |
---|
458 | return -1; |
---|
459 | } |
---|
460 | |
---|
461 | if ( roar_vio_lseek(file, 0, SEEK_SET) != 0 ) { |
---|
462 | roar_vio_close(file); |
---|
463 | _seterrre(); |
---|
464 | return -1; |
---|
465 | } |
---|
466 | } |
---|
467 | |
---|
468 | memset(&(vss->info), 0, sizeof(vss->info)); |
---|
469 | |
---|
470 | vss->info.rate = ROAR_RATE_DEFAULT; |
---|
471 | vss->info.channels = ROAR_CHANNELS_DEFAULT; |
---|
472 | vss->info.codec = codec; |
---|
473 | vss->info.bits = ROAR_BITS_DEFAULT; |
---|
474 | |
---|
475 | ret = roar_vs_stream(vss, &(vss->info), ROAR_DIR_PLAY, error); |
---|
476 | |
---|
477 | if ( ret == -1 ) { |
---|
478 | roar_vio_close(file); |
---|
479 | return -1; |
---|
480 | } |
---|
481 | } |
---|
482 | |
---|
483 | if ( roar_vs_file(vss, file, ROAR_VS_TRUE, error) == -1 ) { |
---|
484 | roar_vio_close(file); |
---|
485 | return -1; |
---|
486 | } |
---|
487 | |
---|
488 | return 0; |
---|
489 | } |
---|
490 | |
---|
491 | roar_vs_t * roar_vs_new_from_file(const char * server, const char * name, char * filename, int * error) { |
---|
492 | roar_vs_t * vss = roar_vs_new(server, name, error); |
---|
493 | |
---|
494 | if ( vss == NULL ) |
---|
495 | return NULL; |
---|
496 | |
---|
497 | if ( roar_vs_file_simple(vss, filename, error) != 0 ) { |
---|
498 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
---|
499 | return NULL; |
---|
500 | } |
---|
501 | |
---|
502 | return vss; |
---|
503 | } |
---|
504 | |
---|
505 | int roar_vs_buffer(roar_vs_t * vss, size_t buffer, int * error) { |
---|
506 | _ckvss(-1); |
---|
507 | |
---|
508 | if ( vss->flags & FLAG_BUFFERED ) |
---|
509 | return -1; |
---|
510 | |
---|
511 | if ( roar_buffer_ring_new(&(vss->readring), buffer, 0) == -1 ) { |
---|
512 | _seterrre(); |
---|
513 | return -1; |
---|
514 | } |
---|
515 | |
---|
516 | if ( roar_buffer_ring_new(&(vss->writering), buffer, 0) == -1 ) { |
---|
517 | _seterrre(); |
---|
518 | roar_buffer_free(vss->readring); |
---|
519 | vss->readring = NULL; |
---|
520 | return -1; |
---|
521 | } |
---|
522 | |
---|
523 | vss->flags |= FLAG_BUFFERED; |
---|
524 | |
---|
525 | return 0; |
---|
526 | } |
---|
527 | |
---|
528 | int roar_vs_close(roar_vs_t * vss, int killit, int * error) { |
---|
529 | if ( killit != ROAR_VS_TRUE && killit != ROAR_VS_FALSE ) { |
---|
530 | _seterr(ROAR_ERROR_INVAL); |
---|
531 | return -1; |
---|
532 | } |
---|
533 | |
---|
534 | _ckvss(-1); |
---|
535 | _ckasync(-1); |
---|
536 | |
---|
537 | if ( vss->readbuffer != NULL ) |
---|
538 | roar_buffer_free(vss->readbuffer); |
---|
539 | if ( vss->writebuffer != NULL ) |
---|
540 | roar_buffer_free(vss->writebuffer); |
---|
541 | |
---|
542 | if ( vss->readring != NULL ) |
---|
543 | roar_buffer_free(vss->readring); |
---|
544 | if ( vss->writering != NULL ) |
---|
545 | roar_buffer_free(vss->writering); |
---|
546 | |
---|
547 | if ( vss->file != NULL && vss->flags & FLAG_CLOSEFILE ) |
---|
548 | roar_vio_close(vss->file); |
---|
549 | |
---|
550 | if ( vss->flags & FLAG_STREAM ) { |
---|
551 | if ( killit == ROAR_VS_TRUE ) { |
---|
552 | roar_kick(vss->con, ROAR_OT_STREAM, roar_stream_get_id(&(vss->stream))); |
---|
553 | } |
---|
554 | |
---|
555 | roar_vio_close(&(vss->vio)); |
---|
556 | } |
---|
557 | |
---|
558 | if ( vss->con == &(vss->con_store) ) { |
---|
559 | roar_disconnect(vss->con); |
---|
560 | } |
---|
561 | |
---|
562 | roar_mm_free(vss); |
---|
563 | return 0; |
---|
564 | } |
---|
565 | |
---|
566 | static ssize_t roar_vs_write_direct(roar_vs_t * vss, const void * buf, size_t len, int * error) { |
---|
567 | ssize_t ret = roar_vio_write(&(vss->vio), (void*)buf, len); |
---|
568 | |
---|
569 | if ( ret == -1 ) { |
---|
570 | #ifdef EAGAIN |
---|
571 | if ( roar_error == ROAR_ERROR_AGAIN ) |
---|
572 | return 0; |
---|
573 | #endif |
---|
574 | |
---|
575 | _seterrre(); |
---|
576 | } else { |
---|
577 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
578 | //printf("A: vss->writec=%zu, ret=%zi\n", vss->writec, ret); |
---|
579 | vss->writec += ret; |
---|
580 | } |
---|
581 | } |
---|
582 | |
---|
583 | //printf("B: vss->writec=%zu, ret=%zi\n", vss->writec, ret); |
---|
584 | return ret; |
---|
585 | } |
---|
586 | |
---|
587 | ssize_t roar_vs_write(roar_vs_t * vss, const void * buf, size_t len, int * error) { |
---|
588 | ssize_t ret; |
---|
589 | size_t writelen; |
---|
590 | |
---|
591 | _ckvss(-1); |
---|
592 | |
---|
593 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
594 | _seterr(ROAR_ERROR_INVAL); |
---|
595 | return -1; |
---|
596 | } |
---|
597 | |
---|
598 | _initerr(); |
---|
599 | |
---|
600 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
601 | writelen = len; |
---|
602 | |
---|
603 | if ( roar_buffer_ring_write(vss->writering, (void*)buf, &writelen) == -1 ) { |
---|
604 | _seterrre(); |
---|
605 | return -1; |
---|
606 | } |
---|
607 | |
---|
608 | ret = writelen; |
---|
609 | vss->writec += ret; |
---|
610 | } else { |
---|
611 | ret = roar_vs_write_direct(vss, buf, len, error); |
---|
612 | } |
---|
613 | |
---|
614 | return ret; |
---|
615 | } |
---|
616 | |
---|
617 | ssize_t roar_vs_read (roar_vs_t * vss, void * buf, size_t len, int * error) { |
---|
618 | ssize_t ret; |
---|
619 | |
---|
620 | _ckvss(-1); |
---|
621 | |
---|
622 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
623 | _seterr(ROAR_ERROR_INVAL); |
---|
624 | return -1; |
---|
625 | } |
---|
626 | |
---|
627 | _initerr(); |
---|
628 | |
---|
629 | ret = roar_vio_read(&(vss->vio), buf, len); |
---|
630 | |
---|
631 | if ( ret == -1 ) { |
---|
632 | _seterrre(); |
---|
633 | } else { |
---|
634 | vss->readc += ret; |
---|
635 | } |
---|
636 | |
---|
637 | return ret; |
---|
638 | } |
---|
639 | |
---|
640 | int roar_vs_sync (roar_vs_t * vss, int wait, int * error) { |
---|
641 | struct roar_event waits, triggered; |
---|
642 | |
---|
643 | _ckvss(-1); |
---|
644 | |
---|
645 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
646 | _seterr(ROAR_ERROR_INVAL); |
---|
647 | return -1; |
---|
648 | } |
---|
649 | |
---|
650 | if ( wait != ROAR_VS_NOWAIT && wait != ROAR_VS_WAIT ) { |
---|
651 | _seterr(ROAR_ERROR_INVAL); |
---|
652 | return -1; |
---|
653 | } |
---|
654 | |
---|
655 | _initerr(); |
---|
656 | |
---|
657 | if ( roar_vio_sync(&(vss->vio)) == -1 ) { |
---|
658 | _seterrre(); |
---|
659 | return -1; |
---|
660 | } |
---|
661 | |
---|
662 | if ( wait == ROAR_VS_WAIT ) { |
---|
663 | _ckasync(-1); |
---|
664 | |
---|
665 | memset(&waits, 0, sizeof(waits)); |
---|
666 | waits.event = ROAR_OE_STREAM_XRUN; |
---|
667 | waits.emitter = -1; |
---|
668 | waits.target = roar_stream_get_id(&(vss->stream)); |
---|
669 | waits.target_type = ROAR_OT_STREAM; |
---|
670 | |
---|
671 | if ( roar_wait(vss->con, &triggered, &waits, 1) == -1 ) { |
---|
672 | _seterrre(); |
---|
673 | return -1; |
---|
674 | } |
---|
675 | } |
---|
676 | |
---|
677 | return 0; |
---|
678 | } |
---|
679 | |
---|
680 | int roar_vs_blocking (roar_vs_t * vss, int val, int * error) { |
---|
681 | int old = -1; |
---|
682 | |
---|
683 | _ckvss(-1); |
---|
684 | |
---|
685 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
686 | _seterr(ROAR_ERROR_INVAL); |
---|
687 | return -1; |
---|
688 | } |
---|
689 | |
---|
690 | old = vss->flags & FLAG_NONBLOCK ? ROAR_VS_FALSE : ROAR_VS_TRUE; |
---|
691 | |
---|
692 | _initerr(); |
---|
693 | |
---|
694 | switch (val) { |
---|
695 | case ROAR_VS_TRUE: |
---|
696 | if ( roar_vio_nonblock(&(vss->vio), ROAR_SOCKET_BLOCK) == -1 ) { |
---|
697 | _seterrre(); |
---|
698 | return -1; |
---|
699 | } |
---|
700 | vss->flags |= FLAG_NONBLOCK; |
---|
701 | vss->flags -= FLAG_NONBLOCK; |
---|
702 | return old; |
---|
703 | break; |
---|
704 | case ROAR_VS_FALSE: |
---|
705 | if ( roar_vio_nonblock(&(vss->vio), ROAR_SOCKET_NONBLOCK) == -1 ) { |
---|
706 | _seterrre(); |
---|
707 | return -1; |
---|
708 | } |
---|
709 | vss->flags |= FLAG_NONBLOCK; |
---|
710 | return old; |
---|
711 | break; |
---|
712 | case ROAR_VS_TOGGLE: |
---|
713 | if ( old == ROAR_VS_TRUE ) { |
---|
714 | return roar_vs_blocking(vss, ROAR_VS_FALSE, error); |
---|
715 | } else { |
---|
716 | return roar_vs_blocking(vss, ROAR_VS_TRUE, error); |
---|
717 | } |
---|
718 | break; |
---|
719 | case ROAR_VS_ASK: |
---|
720 | return old; |
---|
721 | break; |
---|
722 | } |
---|
723 | |
---|
724 | _seterr(ROAR_ERROR_INVAL); |
---|
725 | return -1; |
---|
726 | } |
---|
727 | |
---|
728 | static int _roar_vs_find_first_prim(roar_vs_t * vss) { |
---|
729 | struct roar_stream stream; |
---|
730 | struct roar_stream_info info; |
---|
731 | int id[ROAR_STREAMS_MAX]; |
---|
732 | int num; |
---|
733 | int i; |
---|
734 | int * error = NULL; // needed for _ckasync() macro |
---|
735 | |
---|
736 | _ckasync(-1); |
---|
737 | |
---|
738 | if ( vss->first_primid != -1 ) |
---|
739 | return vss->first_primid; |
---|
740 | |
---|
741 | if ( vss->mixerid == -1 ) |
---|
742 | return -1; |
---|
743 | |
---|
744 | if ( (num = roar_list_streams(vss->con, id, ROAR_STREAMS_MAX)) == -1 ) { |
---|
745 | return -1; |
---|
746 | } |
---|
747 | |
---|
748 | for (i = 0; i < num; i++) { |
---|
749 | if ( roar_get_stream(vss->con, &stream, id[i]) == -1 ) |
---|
750 | continue; |
---|
751 | |
---|
752 | if ( stream.dir != ROAR_DIR_OUTPUT ) |
---|
753 | continue; |
---|
754 | |
---|
755 | if ( roar_stream_get_info(vss->con, &stream, &info) == -1 ) |
---|
756 | continue; |
---|
757 | |
---|
758 | if ( info.mixer == vss->mixerid ) { |
---|
759 | vss->first_primid = id[i]; |
---|
760 | return id[i]; |
---|
761 | } |
---|
762 | } |
---|
763 | |
---|
764 | return -1; |
---|
765 | } |
---|
766 | |
---|
767 | ssize_t roar_vs_position(roar_vs_t * vss, int backend, int * error) { |
---|
768 | struct roar_stream stream; |
---|
769 | struct roar_stream out_stream; |
---|
770 | struct roar_stream_info out_info; |
---|
771 | size_t offset = 0; |
---|
772 | |
---|
773 | _ckvss(-1); |
---|
774 | _ckasync(-1); |
---|
775 | |
---|
776 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
777 | _seterr(ROAR_ERROR_INVAL); |
---|
778 | return -1; |
---|
779 | } |
---|
780 | |
---|
781 | _initerr(); |
---|
782 | |
---|
783 | if ( roar_get_stream(vss->con, &stream, roar_stream_get_id(&(vss->stream))) == -1 ) { |
---|
784 | _seterrre(); |
---|
785 | return -1; |
---|
786 | } |
---|
787 | |
---|
788 | if ( backend == ROAR_VS_BACKEND_DEFAULT ) { |
---|
789 | backend = ROAR_VS_BACKEND_FIRST; |
---|
790 | } |
---|
791 | |
---|
792 | switch (backend) { |
---|
793 | case ROAR_VS_BACKEND_NONE: |
---|
794 | // return stream.pos; |
---|
795 | // do nothing. |
---|
796 | break; |
---|
797 | case ROAR_VS_BACKEND_FIRST: |
---|
798 | if ( vss->first_primid == -1 ) { |
---|
799 | _seterr(ROAR_ERROR_UNKNOWN); |
---|
800 | return -1; |
---|
801 | } |
---|
802 | |
---|
803 | backend = vss->first_primid; |
---|
804 | break; |
---|
805 | default: |
---|
806 | if ( backend < 0 ) { |
---|
807 | _seterr(ROAR_ERROR_INVAL); |
---|
808 | return -1; |
---|
809 | } |
---|
810 | break; |
---|
811 | } |
---|
812 | |
---|
813 | |
---|
814 | if ( backend >= 0 ) { |
---|
815 | roar_stream_new_by_id(&out_stream, backend); |
---|
816 | |
---|
817 | if ( roar_stream_get_info(vss->con, &out_stream, &out_info) == -1 ) { |
---|
818 | _seterrre(); |
---|
819 | return -1; |
---|
820 | } |
---|
821 | |
---|
822 | offset = out_info.delay * vss->info.rate; |
---|
823 | offset /= 1000000; |
---|
824 | } |
---|
825 | |
---|
826 | if ( roar_clock_gettime(&(vss->latmes.last_time), LOCAL_CLOCK) == -1 ) { |
---|
827 | vss->latmes.last_pos = -1; |
---|
828 | } else { |
---|
829 | vss->latmes.last_pos = stream.pos; |
---|
830 | vss->latmes.last_offset = offset; |
---|
831 | } |
---|
832 | |
---|
833 | return stream.pos + offset; |
---|
834 | } |
---|
835 | |
---|
836 | #ifdef _HAVE_SOCKOPT |
---|
837 | static void roar_vs_latency_managed(roar_vs_t * vss, roar_mus_t lat) { |
---|
838 | struct roar_vio_sysio_sockopt sockopt; |
---|
839 | float tmp = ((float)lat/1000.0) - vss->latc.target; |
---|
840 | int val; |
---|
841 | |
---|
842 | tmp *= vss->latc.p; |
---|
843 | |
---|
844 | sockopt.level = SOL_SOCKET; |
---|
845 | sockopt.optname = SO_SNDBUF; |
---|
846 | sockopt.optval = &val; |
---|
847 | sockopt.optlen = sizeof(val); |
---|
848 | |
---|
849 | roar_vio_ctl(&(vss->vio), ROAR_VIO_CTL_GET_SYSIO_SOCKOPT, &sockopt); |
---|
850 | |
---|
851 | val /= 2; |
---|
852 | |
---|
853 | tmp = 1.0 - tmp; |
---|
854 | |
---|
855 | val = (float)val*tmp; |
---|
856 | |
---|
857 | sockopt.optlen = sizeof(val); |
---|
858 | |
---|
859 | roar_vio_ctl(&(vss->vio), ROAR_VIO_CTL_SET_SYSIO_SOCKOPT, &sockopt); |
---|
860 | } |
---|
861 | #endif |
---|
862 | |
---|
863 | roar_mus_t roar_vs_latency(roar_vs_t * vss, int backend, int * error) { |
---|
864 | ssize_t pos = roar_vs_position(vss, backend, error); |
---|
865 | ssize_t bps; // byte per sample |
---|
866 | size_t lioc; // local IO (byte) counter |
---|
867 | size_t lpos; // local possition |
---|
868 | signed long long int lag; |
---|
869 | |
---|
870 | // printf("pos=%zi\n", pos); |
---|
871 | |
---|
872 | _initerr(); |
---|
873 | |
---|
874 | _ckvss(0); |
---|
875 | _ckasync(-1); |
---|
876 | |
---|
877 | if (pos == -1) { |
---|
878 | _seterrre(); |
---|
879 | return 0; |
---|
880 | } |
---|
881 | |
---|
882 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
883 | _seterr(ROAR_ERROR_INVAL); |
---|
884 | return 0; |
---|
885 | } |
---|
886 | |
---|
887 | if ( vss->writec == 0 ) { |
---|
888 | lioc = vss->readc; |
---|
889 | } else { |
---|
890 | //printf("writec=%zu\n", vss->writec); |
---|
891 | lioc = vss->writec; |
---|
892 | } |
---|
893 | |
---|
894 | bps = roar_info2samplesize(&(vss->info)); |
---|
895 | |
---|
896 | if ( bps == -1 ) { |
---|
897 | _seterrre(); |
---|
898 | return 0; |
---|
899 | } |
---|
900 | |
---|
901 | lpos = (lioc*8) / bps; |
---|
902 | |
---|
903 | //printf("pos=%zi, lpos=%zi, bps=%zi, diff[lpos-pos]=%zi\n", pos, lpos, bps, (lpos - pos)); |
---|
904 | |
---|
905 | lag = (signed long long int)lpos - (signed long long int)pos; |
---|
906 | lag /= vss->info.channels; |
---|
907 | |
---|
908 | // we now have the lag in frames |
---|
909 | // return value are mus |
---|
910 | // so we need to multiply with 1s/mus and |
---|
911 | // multiply by 1/rate |
---|
912 | |
---|
913 | lag *= 1000000; // 1s/mus |
---|
914 | lag /= vss->info.rate; |
---|
915 | |
---|
916 | if ( lag == 0 ) { |
---|
917 | _seterr(ROAR_ERROR_NONE); |
---|
918 | } |
---|
919 | |
---|
920 | #ifdef _HAVE_SOCKOPT |
---|
921 | if (vss->latc.target > vss->latc.minlag) { |
---|
922 | roar_vs_latency_managed(vss, lag); |
---|
923 | } |
---|
924 | #endif |
---|
925 | |
---|
926 | return lag; |
---|
927 | } |
---|
928 | |
---|
929 | roar_mus_t roar_vs_latency2(roar_vs_t * vss, int backend, int wait, int * error) { |
---|
930 | ssize_t bps; // byte per sample |
---|
931 | size_t lioc; // local IO (byte) counter |
---|
932 | size_t lpos; // local possition |
---|
933 | signed long long int lag; |
---|
934 | struct roar_time rt; |
---|
935 | |
---|
936 | _initerr(); |
---|
937 | |
---|
938 | _ckvss(0); |
---|
939 | |
---|
940 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
941 | _seterr(ROAR_ERROR_INVAL); |
---|
942 | return 0; |
---|
943 | } |
---|
944 | |
---|
945 | _check_async(vss); |
---|
946 | |
---|
947 | if ( wait == ROAR_VS_WAIT ) { |
---|
948 | return roar_vs_latency(vss, backend, error); |
---|
949 | } else if ( wait == ROAR_VS_NOWAIT ) { |
---|
950 | if ( vss->latmes.last_pos == -1 ) { |
---|
951 | _seterr(ROAR_ERROR_NODATA); |
---|
952 | return 0; |
---|
953 | } |
---|
954 | |
---|
955 | if ( vss->writec == 0 ) { |
---|
956 | lioc = vss->readc; |
---|
957 | } else { |
---|
958 | //printf("writec=%zu\n", vss->writec); |
---|
959 | lioc = vss->writec; |
---|
960 | } |
---|
961 | |
---|
962 | bps = roar_info2samplesize(&(vss->info)); |
---|
963 | |
---|
964 | if ( bps == -1 ) { |
---|
965 | _seterrre(); |
---|
966 | return 0; |
---|
967 | } |
---|
968 | |
---|
969 | lpos = (lioc*8) / bps; |
---|
970 | |
---|
971 | //printf("pos=%zi, lpos=%zi, bps=%zi, diff[lpos-pos]=%zi\n", pos, lpos, bps, (lpos - pos)); |
---|
972 | |
---|
973 | lag = (signed long long int)lpos - (signed long long int)(vss->latmes.last_pos + vss->latmes.last_offset); |
---|
974 | lag /= vss->info.channels; |
---|
975 | |
---|
976 | // we now have the lag in frames |
---|
977 | // return value are mus |
---|
978 | // so we need to multiply with 1s/mus and |
---|
979 | // multiply by 1/rate |
---|
980 | |
---|
981 | lag *= 1000000; // 1s/mus |
---|
982 | lag /= vss->info.rate; |
---|
983 | |
---|
984 | _initerr(); |
---|
985 | if ( roar_clock_gettime(&rt, LOCAL_CLOCK) == -1 ) { |
---|
986 | _seterrre(); |
---|
987 | return 0; |
---|
988 | } |
---|
989 | |
---|
990 | // printf("%lli, %lli\n", (rt.t_sec - vss->latmes.last_time.t_sec ), (rt.t_ssec/2 - vss->latmes.last_time.t_ssec/2)/ 18446744073710LL); |
---|
991 | // printf("%lli, %llu\n", rt.t_sec, rt.t_ssec); |
---|
992 | lag -= (rt.t_sec - vss->latmes.last_time.t_sec ) * 1000000LL; |
---|
993 | lag -= ((int64_t)(rt.t_ssec/2) - (int64_t)(vss->latmes.last_time.t_ssec/2)) / 9223372036855LL; |
---|
994 | |
---|
995 | if ( lag == 0 ) { |
---|
996 | _seterr(ROAR_ERROR_NONE); |
---|
997 | } |
---|
998 | |
---|
999 | return lag; |
---|
1000 | } else if ( wait == ROAR_VS_ASYNC ) { |
---|
1001 | if ( _send_async_req(vss, ROAR_CMD_GET_STREAM, -1, error) == -1 ) |
---|
1002 | return 0; |
---|
1003 | /* |
---|
1004 | if ( _send_async_req(vss, ROAR_CMD_GET_STREAM_PARA, ROAR_STREAM_PARA_INFO, error) == -1 ) |
---|
1005 | return 0; |
---|
1006 | */ |
---|
1007 | _seterr(ROAR_ERROR_NODATA); |
---|
1008 | return 0; |
---|
1009 | } |
---|
1010 | |
---|
1011 | _seterr(ROAR_ERROR_INVAL); |
---|
1012 | return 0; |
---|
1013 | } |
---|
1014 | |
---|
1015 | static int roar_vs_flag(roar_vs_t * vss, int flag, int val, int * error) { |
---|
1016 | struct roar_stream_info info; |
---|
1017 | int old = -1; |
---|
1018 | |
---|
1019 | _ckvss(-1); |
---|
1020 | _ckasync(-1); |
---|
1021 | |
---|
1022 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
1023 | _seterr(ROAR_ERROR_INVAL); |
---|
1024 | return -1; |
---|
1025 | } |
---|
1026 | |
---|
1027 | if ( val != ROAR_VS_ASK ) |
---|
1028 | old = roar_vs_flag(vss, flag, ROAR_VS_ASK, error); |
---|
1029 | |
---|
1030 | _initerr(); |
---|
1031 | |
---|
1032 | switch (val) { |
---|
1033 | case ROAR_VS_TRUE: |
---|
1034 | case ROAR_VS_FALSE: |
---|
1035 | if ( roar_stream_set_flags2(vss->con, &(vss->stream), flag, |
---|
1036 | val == ROAR_VS_TRUE ? ROAR_SET_FLAG : ROAR_RESET_FLAG) == -1 ) { |
---|
1037 | _seterrre(); |
---|
1038 | return -1; |
---|
1039 | } |
---|
1040 | return old; |
---|
1041 | break; |
---|
1042 | case ROAR_VS_TOGGLE: |
---|
1043 | return roar_vs_flag(vss, flag, old == ROAR_VS_TRUE ? ROAR_VS_FALSE : ROAR_VS_TRUE, error); |
---|
1044 | break; |
---|
1045 | case ROAR_VS_ASK: |
---|
1046 | if ( roar_stream_get_info(vss->con, &(vss->stream), &info) == -1 ) { |
---|
1047 | _seterrre(); |
---|
1048 | return -1; |
---|
1049 | } |
---|
1050 | return info.flags & flag ? ROAR_VS_TRUE : ROAR_VS_FALSE; |
---|
1051 | break; |
---|
1052 | } |
---|
1053 | |
---|
1054 | _seterr(ROAR_ERROR_INVAL); |
---|
1055 | return -1; |
---|
1056 | } |
---|
1057 | |
---|
1058 | int roar_vs_pause(roar_vs_t * vss, int val, int * error) { |
---|
1059 | return roar_vs_flag(vss, ROAR_FLAG_PAUSE, val, error); |
---|
1060 | } |
---|
1061 | |
---|
1062 | int roar_vs_mute (roar_vs_t * vss, int val, int * error) { |
---|
1063 | return roar_vs_flag(vss, ROAR_FLAG_MUTE, val, error); |
---|
1064 | } |
---|
1065 | |
---|
1066 | static int roar_vs_volume (roar_vs_t * vss, float * c, size_t channels, int * error) { |
---|
1067 | struct roar_mixer_settings mixer; |
---|
1068 | size_t i; |
---|
1069 | register float s, max_s = -100.0, scale = 65535.0; |
---|
1070 | int oldchannels; |
---|
1071 | int mode = ROAR_SET_VOL_ALL; |
---|
1072 | |
---|
1073 | _ckvss(-1); |
---|
1074 | _ckasync(-1); |
---|
1075 | |
---|
1076 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
1077 | _seterr(ROAR_ERROR_INVAL); |
---|
1078 | return -1; |
---|
1079 | } |
---|
1080 | |
---|
1081 | if ( channels > ROAR_MAX_CHANNELS ) { |
---|
1082 | _seterr(ROAR_ERROR_INVAL); |
---|
1083 | return -1; |
---|
1084 | } |
---|
1085 | |
---|
1086 | _initerr(); |
---|
1087 | |
---|
1088 | if ( roar_get_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, &oldchannels) == -1 ) { |
---|
1089 | _seterrre(); |
---|
1090 | return -1; |
---|
1091 | } |
---|
1092 | |
---|
1093 | if ( vss->flags & FLAG_FREE_VOL ) { |
---|
1094 | for (i = 0; i < channels; i++) { |
---|
1095 | if ( c[i] > max_s ) { |
---|
1096 | max_s = c[i]; |
---|
1097 | } else if ( c[i] < -0.01 ) { |
---|
1098 | _seterr(ROAR_ERROR_RANGE); |
---|
1099 | return -1; |
---|
1100 | } |
---|
1101 | } |
---|
1102 | |
---|
1103 | if ( max_s > 1.00 ) { |
---|
1104 | scale = 65535.0 / max_s; |
---|
1105 | } |
---|
1106 | } |
---|
1107 | |
---|
1108 | for (i = 0; i < channels; i++) { |
---|
1109 | if ( vss->flags & FLAG_FREE_VOL ) { |
---|
1110 | s = c[i] * scale; |
---|
1111 | if ( s < 0.0 ) |
---|
1112 | s = 0.0; |
---|
1113 | } else { |
---|
1114 | s = c[i] * 65535.0; |
---|
1115 | if ( s > 66190.0 || s < -655.0 ) { |
---|
1116 | _seterr(ROAR_ERROR_RANGE); |
---|
1117 | return -1; |
---|
1118 | } else if ( s > 65535.0 ) { |
---|
1119 | s = 65535.0; |
---|
1120 | } else if ( s < 0.0 ) { |
---|
1121 | s = 0.0; |
---|
1122 | } |
---|
1123 | } |
---|
1124 | mixer.mixer[i] = s; |
---|
1125 | } |
---|
1126 | |
---|
1127 | if ( vss->flags & FLAG_FREE_VOL ) { |
---|
1128 | mixer.scale = scale; |
---|
1129 | } else { |
---|
1130 | mixer.scale = 65535; |
---|
1131 | } |
---|
1132 | |
---|
1133 | if ( channels != oldchannels ) |
---|
1134 | mode = ROAR_SET_VOL_UNMAPPED; |
---|
1135 | |
---|
1136 | if ( roar_set_vol2(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, channels, mode) == 0 ) |
---|
1137 | return 0; |
---|
1138 | |
---|
1139 | if ( mode == ROAR_SET_VOL_ALL ) { |
---|
1140 | _seterrre(); |
---|
1141 | return -1; |
---|
1142 | } |
---|
1143 | |
---|
1144 | if ( roar_conv_volume(&mixer, &mixer, oldchannels, channels) == -1 ) { |
---|
1145 | _seterrre(); |
---|
1146 | return -1; |
---|
1147 | } |
---|
1148 | |
---|
1149 | channels = oldchannels; |
---|
1150 | mode = ROAR_SET_VOL_ALL; |
---|
1151 | |
---|
1152 | if ( roar_set_vol2(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, channels, mode) == -1 ) { |
---|
1153 | _seterrre(); |
---|
1154 | return -1; |
---|
1155 | } |
---|
1156 | |
---|
1157 | return 0; |
---|
1158 | } |
---|
1159 | |
---|
1160 | int roar_vs_volume_mono (roar_vs_t * vss, float c, int * error) { |
---|
1161 | return roar_vs_volume(vss, &c, 1, error); |
---|
1162 | } |
---|
1163 | |
---|
1164 | int roar_vs_volume_stereo (roar_vs_t * vss, float l, float r, int * error) { |
---|
1165 | float c[2] = {l, r}; |
---|
1166 | return roar_vs_volume(vss, c, 2, error); |
---|
1167 | } |
---|
1168 | |
---|
1169 | int roar_vs_volume_get (roar_vs_t * vss, float * l, float * r, int * error) { |
---|
1170 | struct roar_mixer_settings mixer; |
---|
1171 | int channels; |
---|
1172 | |
---|
1173 | if ( vss == NULL || l == NULL || r == NULL ) { |
---|
1174 | _seterr(ROAR_ERROR_INVAL); |
---|
1175 | return -1; |
---|
1176 | } |
---|
1177 | |
---|
1178 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
1179 | _seterr(ROAR_ERROR_INVAL); |
---|
1180 | return -1; |
---|
1181 | } |
---|
1182 | |
---|
1183 | _ckasync(-1); |
---|
1184 | |
---|
1185 | _initerr(); |
---|
1186 | |
---|
1187 | if ( roar_get_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, &channels) == -1 ) { |
---|
1188 | _seterrre(); |
---|
1189 | return -1; |
---|
1190 | } |
---|
1191 | |
---|
1192 | if ( channels == 1 ) |
---|
1193 | mixer.mixer[1] = mixer.mixer[0]; |
---|
1194 | |
---|
1195 | *l = mixer.mixer[0] / (float)mixer.scale; |
---|
1196 | *r = mixer.mixer[1] / (float)mixer.scale; |
---|
1197 | |
---|
1198 | return 0; |
---|
1199 | } |
---|
1200 | |
---|
1201 | int roar_vs_meta (roar_vs_t * vss, struct roar_keyval * kv, size_t len, int * error) { |
---|
1202 | struct roar_meta meta; |
---|
1203 | size_t i; |
---|
1204 | int type; |
---|
1205 | int ret = 0; |
---|
1206 | |
---|
1207 | _ckvss(-1); |
---|
1208 | _ckasync(-1); |
---|
1209 | |
---|
1210 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
1211 | _seterr(ROAR_ERROR_INVAL); |
---|
1212 | return -1; |
---|
1213 | } |
---|
1214 | |
---|
1215 | meta.type = ROAR_META_TYPE_NONE; |
---|
1216 | meta.key[0] = 0; |
---|
1217 | meta.value = NULL; |
---|
1218 | |
---|
1219 | _initerr(); |
---|
1220 | |
---|
1221 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_CLEAR, &meta) == -1 ) { |
---|
1222 | _seterrre(); |
---|
1223 | ret = -1; |
---|
1224 | } |
---|
1225 | |
---|
1226 | for (i = 0; i < len; i++) { |
---|
1227 | type = roar_meta_inttype(kv[i].key); |
---|
1228 | meta.type = type; |
---|
1229 | meta.value = kv[i].value; |
---|
1230 | |
---|
1231 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_ADD, &meta) == -1 ) { |
---|
1232 | _seterrre(); |
---|
1233 | ret = -1; |
---|
1234 | } |
---|
1235 | } |
---|
1236 | |
---|
1237 | meta.type = ROAR_META_TYPE_NONE; |
---|
1238 | meta.key[0] = 0; |
---|
1239 | meta.value = NULL; |
---|
1240 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_FINALIZE, &meta) == -1 ) { |
---|
1241 | _seterrre(); |
---|
1242 | ret = -1; |
---|
1243 | } |
---|
1244 | |
---|
1245 | return ret; |
---|
1246 | } |
---|
1247 | |
---|
1248 | int roar_vs_role (roar_vs_t * vss, int role, int * error) { |
---|
1249 | _ckvss(-1); |
---|
1250 | _ckasync(-1); |
---|
1251 | |
---|
1252 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
1253 | _seterr(ROAR_ERROR_INVAL); |
---|
1254 | return -1; |
---|
1255 | } |
---|
1256 | |
---|
1257 | _initerr(); |
---|
1258 | |
---|
1259 | if ( roar_stream_set_role(vss->con, &(vss->stream), role) == -1 ) { |
---|
1260 | _seterrre(); |
---|
1261 | return -1; |
---|
1262 | } |
---|
1263 | |
---|
1264 | return 0; |
---|
1265 | } |
---|
1266 | |
---|
1267 | |
---|
1268 | int roar_vs_iterate (roar_vs_t * vss, int wait, int * error) { |
---|
1269 | struct roar_vio_select vios[3]; |
---|
1270 | struct roar_vio_selecttv rtv = {.sec = 0, .nsec = 1}; |
---|
1271 | size_t len = 0; |
---|
1272 | ssize_t i; |
---|
1273 | ssize_t ret; |
---|
1274 | int can_read = 0, can_write = 0; |
---|
1275 | int can_flush_stream = 0, can_flush_file = 0; |
---|
1276 | int is_eof = 0; |
---|
1277 | void * data; |
---|
1278 | size_t tmp; |
---|
1279 | |
---|
1280 | // TODO: fix error handling below. |
---|
1281 | |
---|
1282 | _ckvss(-1); |
---|
1283 | |
---|
1284 | if ( wait != ROAR_VS_WAIT && wait != ROAR_VS_NOWAIT ) { |
---|
1285 | _seterr(ROAR_ERROR_INVAL); |
---|
1286 | return -1; |
---|
1287 | } |
---|
1288 | |
---|
1289 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), &(vss->vio), ((vss->flags & FLAG_DIR_IN ? ROAR_VIO_SELECT_READ : 0) | |
---|
1290 | (vss->flags & FLAG_DIR_OUT ? ROAR_VIO_SELECT_WRITE : 0))); |
---|
1291 | vios[len].ud.vp = &(vss->vio); |
---|
1292 | len++; |
---|
1293 | |
---|
1294 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), roar_get_connection_vio2(vss->con), ROAR_VIO_SELECT_READ); |
---|
1295 | vios[len].ud.vp = vss->con; |
---|
1296 | len++; |
---|
1297 | |
---|
1298 | |
---|
1299 | // TODO: FIXME: need to do two select()s so we can sleep more efficently and test for both directions. |
---|
1300 | // for the moment we disable file direction and hope it will not block anyway... |
---|
1301 | /* |
---|
1302 | if ( vss->file != NULL ) { |
---|
1303 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), vss->file, ((vss->flags & FLAG_DIR_IN ? ROAR_VIO_SELECT_WRITE : 0) | |
---|
1304 | (vss->flags & FLAG_DIR_OUT ? ROAR_VIO_SELECT_READ : 0))); |
---|
1305 | vios[len].ud.vp = vss->file; |
---|
1306 | len++; |
---|
1307 | } |
---|
1308 | */ |
---|
1309 | |
---|
1310 | ret = roar_vio_select(vios, len, (wait == ROAR_VS_NOWAIT ? &rtv : NULL), NULL); |
---|
1311 | |
---|
1312 | // part 2 of above hack: |
---|
1313 | // emulate read handle. |
---|
1314 | if ( vss->file != NULL ) { |
---|
1315 | vios[len].ud.vp = vss->file; |
---|
1316 | vios[len].eventsa = ROAR_VIO_SELECT_WRITE|ROAR_VIO_SELECT_READ; |
---|
1317 | len++; |
---|
1318 | } |
---|
1319 | |
---|
1320 | // no error here nor EOF. |
---|
1321 | if ( ret == 0 ) |
---|
1322 | return 1; |
---|
1323 | |
---|
1324 | for (i = 0; i < len; i++) { |
---|
1325 | if ( !vios[i].eventsa ) |
---|
1326 | continue; |
---|
1327 | |
---|
1328 | if ( vios[i].ud.vp == &(vss->vio) ) { |
---|
1329 | if ( vios[i].eventsa & ROAR_VIO_SELECT_READ ) |
---|
1330 | can_read++; |
---|
1331 | |
---|
1332 | if ( vios[i].eventsa & ROAR_VIO_SELECT_WRITE ) { |
---|
1333 | can_write++; |
---|
1334 | can_flush_stream = 1; |
---|
1335 | } |
---|
1336 | } else if ( vios[i].ud.vp == vss->con ) { |
---|
1337 | if ( vss->async.qlen ) { |
---|
1338 | _handle_async_req(vss, NULL); |
---|
1339 | } else { |
---|
1340 | roar_sync(vss->con); |
---|
1341 | } |
---|
1342 | } else if ( vss->file != NULL && vios[i].ud.vp == vss->file ) { |
---|
1343 | if ( vios[i].eventsa & ROAR_VIO_SELECT_READ ) |
---|
1344 | can_write++; |
---|
1345 | |
---|
1346 | if ( vios[i].eventsa & ROAR_VIO_SELECT_WRITE ) { |
---|
1347 | can_read++; |
---|
1348 | can_flush_file = 1; |
---|
1349 | } |
---|
1350 | } |
---|
1351 | } |
---|
1352 | |
---|
1353 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
1354 | if ( roar_buffer_ring_avail(vss->readring, NULL, &tmp) != -1 ) |
---|
1355 | if ( tmp > 0 ) |
---|
1356 | can_read++; |
---|
1357 | |
---|
1358 | // no check here to just let the read return zero and we do EOF handling. |
---|
1359 | /* |
---|
1360 | if ( roar_buffer_ring_avail(vss->writering, &tmp, NULL) != -1 ) |
---|
1361 | if ( tmp > 0 ) |
---|
1362 | */ |
---|
1363 | can_write++; |
---|
1364 | } |
---|
1365 | |
---|
1366 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p): can_read=%i, can_write=%i", vss, wait, error, can_read, can_write); |
---|
1367 | |
---|
1368 | // TODO: FIXME: Need to correct error handling here! |
---|
1369 | |
---|
1370 | if ( can_flush_stream && vss->writebuffer != NULL ) { |
---|
1371 | if ( roar_buffer_get_data(vss->writebuffer, &data) == -1 ) |
---|
1372 | return -1; |
---|
1373 | |
---|
1374 | if ( roar_buffer_get_len(vss->writebuffer, &len) == -1 ) |
---|
1375 | return -1; |
---|
1376 | |
---|
1377 | ret = roar_vs_write_direct(vss, data, len, error); |
---|
1378 | |
---|
1379 | if ( ret == -1 ) { |
---|
1380 | return -1; |
---|
1381 | } else if ( ret == len ) { |
---|
1382 | roar_buffer_free(vss->writebuffer); |
---|
1383 | vss->writebuffer = NULL; |
---|
1384 | } else { |
---|
1385 | if ( roar_buffer_set_offset(vss->writebuffer, ret) == -1 ) |
---|
1386 | return -1; |
---|
1387 | } |
---|
1388 | } |
---|
1389 | |
---|
1390 | if ( can_flush_file && vss->readbuffer != NULL ) { |
---|
1391 | if ( roar_buffer_get_data(vss->readbuffer, &data) == -1 ) |
---|
1392 | return -1; |
---|
1393 | |
---|
1394 | if ( roar_buffer_get_len(vss->readbuffer, &len) == -1 ) |
---|
1395 | return -1; |
---|
1396 | |
---|
1397 | ret = roar_vio_write(vss->file, data, len); |
---|
1398 | |
---|
1399 | if ( ret == -1 ) { |
---|
1400 | return -1; |
---|
1401 | } else if ( ret == len ) { |
---|
1402 | roar_buffer_free(vss->readbuffer); |
---|
1403 | vss->readbuffer = NULL; |
---|
1404 | } else { |
---|
1405 | if ( roar_buffer_set_offset(vss->readbuffer, ret) == -1 ) |
---|
1406 | return -1; |
---|
1407 | } |
---|
1408 | } |
---|
1409 | |
---|
1410 | #define _READ_SIZE 1024 |
---|
1411 | |
---|
1412 | if ( can_read == 2 && vss->readbuffer == NULL ) { |
---|
1413 | if ( roar_buffer_new_data(&(vss->readbuffer), (len = _READ_SIZE), &data) == -1 ) |
---|
1414 | return -1; |
---|
1415 | |
---|
1416 | ret = roar_vs_read(vss, data, len, error); |
---|
1417 | |
---|
1418 | if ( ret == -1 ) { |
---|
1419 | roar_buffer_free(vss->readbuffer); |
---|
1420 | vss->readbuffer = NULL; |
---|
1421 | return -1; |
---|
1422 | } else if ( ret == 0 ) { |
---|
1423 | is_eof = 1; |
---|
1424 | roar_buffer_free(vss->readbuffer); |
---|
1425 | vss->readbuffer = NULL; |
---|
1426 | } else { |
---|
1427 | len = ret; |
---|
1428 | if ( roar_buffer_set_len(vss->readbuffer, len) == -1 ) |
---|
1429 | return -1; |
---|
1430 | |
---|
1431 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
1432 | tmp = len; |
---|
1433 | if ( roar_buffer_ring_write(vss->readring, data, &tmp) == -1 ) { |
---|
1434 | ret = -1; |
---|
1435 | } else { |
---|
1436 | ret = tmp; |
---|
1437 | } |
---|
1438 | } else { |
---|
1439 | ret = roar_vio_write(vss->file, data, len); |
---|
1440 | } |
---|
1441 | |
---|
1442 | if ( ret == -1 ) { |
---|
1443 | return -1; |
---|
1444 | } else if ( ret == len ) { |
---|
1445 | roar_buffer_free(vss->readbuffer); |
---|
1446 | vss->readbuffer = NULL; |
---|
1447 | } else { |
---|
1448 | if ( roar_buffer_set_offset(vss->readbuffer, ret) == -1 ) |
---|
1449 | return -1; |
---|
1450 | } |
---|
1451 | } |
---|
1452 | } |
---|
1453 | |
---|
1454 | if ( can_write == 2 && vss->writebuffer == NULL ) { |
---|
1455 | if ( roar_buffer_new_data(&(vss->writebuffer), (len = _READ_SIZE), &data) == -1 ) |
---|
1456 | return -1; |
---|
1457 | |
---|
1458 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
1459 | tmp = len; |
---|
1460 | if ( roar_buffer_ring_read(vss->writering, data, &tmp) == -1 ) { |
---|
1461 | ret = -1; |
---|
1462 | } else { |
---|
1463 | ret = tmp; |
---|
1464 | } |
---|
1465 | } else { |
---|
1466 | ret = roar_vio_read(vss->file, data, len); |
---|
1467 | } |
---|
1468 | |
---|
1469 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p): ret=%lli", vss, wait, error, (long long int)ret); |
---|
1470 | |
---|
1471 | if ( ret == -1 ) { |
---|
1472 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
1473 | |
---|
1474 | roar_buffer_free(vss->writebuffer); |
---|
1475 | vss->writebuffer = NULL; |
---|
1476 | return -1; |
---|
1477 | } else if ( ret == 0 ) { |
---|
1478 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
1479 | |
---|
1480 | is_eof = 1; |
---|
1481 | roar_buffer_free(vss->writebuffer); |
---|
1482 | vss->writebuffer = NULL; |
---|
1483 | } else { |
---|
1484 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
1485 | |
---|
1486 | if ( len != ret ) { |
---|
1487 | len = ret; |
---|
1488 | if ( roar_buffer_set_len(vss->writebuffer, len) == -1 ) |
---|
1489 | return -1; |
---|
1490 | } |
---|
1491 | |
---|
1492 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
1493 | |
---|
1494 | ret = roar_vs_write_direct(vss, data, len, error); |
---|
1495 | |
---|
1496 | if ( ret == -1 ) { |
---|
1497 | return -1; |
---|
1498 | } else if ( ret == len ) { |
---|
1499 | roar_buffer_free(vss->writebuffer); |
---|
1500 | vss->writebuffer = NULL; |
---|
1501 | } else { |
---|
1502 | if ( roar_buffer_set_offset(vss->writebuffer, ret) == -1 ) |
---|
1503 | return -1; |
---|
1504 | } |
---|
1505 | } |
---|
1506 | } |
---|
1507 | |
---|
1508 | return is_eof ? 0 : 2; |
---|
1509 | } |
---|
1510 | |
---|
1511 | int roar_vs_run (roar_vs_t * vss, int * error) { |
---|
1512 | int ret; |
---|
1513 | |
---|
1514 | _ckvss(-1); |
---|
1515 | |
---|
1516 | while ((ret = roar_vs_iterate(vss, ROAR_VS_WAIT, error)) > 0); |
---|
1517 | |
---|
1518 | ROAR_DBG("roar_vs_run(vss=%p, error=%p): ret=%i", vss, error, ret); |
---|
1519 | |
---|
1520 | if ( ret == 0 ) { |
---|
1521 | // flush buffers: |
---|
1522 | roar_vs_iterate(vss, ROAR_VS_WAIT, error); |
---|
1523 | } |
---|
1524 | |
---|
1525 | if ( roar_vs_sync(vss, ROAR_VS_WAIT, error) == -1 ) |
---|
1526 | return -1; |
---|
1527 | |
---|
1528 | return ret; |
---|
1529 | } |
---|
1530 | |
---|
1531 | ssize_t roar_vs_get_avail_read(roar_vs_t * vss, int * error) { |
---|
1532 | size_t len; |
---|
1533 | |
---|
1534 | _ckvss(-1); |
---|
1535 | |
---|
1536 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
1537 | _seterr(ROAR_ERROR_INVAL); |
---|
1538 | return -1; |
---|
1539 | } |
---|
1540 | |
---|
1541 | if ( roar_buffer_ring_avail(vss->readring, &len, NULL) == -1 ) { |
---|
1542 | _seterrre(); |
---|
1543 | return -1; |
---|
1544 | } |
---|
1545 | |
---|
1546 | return len; |
---|
1547 | } |
---|
1548 | |
---|
1549 | ssize_t roar_vs_get_avail_write(roar_vs_t * vss, int * error) { |
---|
1550 | size_t len; |
---|
1551 | |
---|
1552 | _ckvss(-1); |
---|
1553 | |
---|
1554 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
1555 | _seterr(ROAR_ERROR_INVAL); |
---|
1556 | return -1; |
---|
1557 | } |
---|
1558 | |
---|
1559 | if ( roar_buffer_ring_avail(vss->writering, NULL, &len) == -1 ) { |
---|
1560 | _seterrre(); |
---|
1561 | return -1; |
---|
1562 | } |
---|
1563 | |
---|
1564 | return len; |
---|
1565 | } |
---|
1566 | |
---|
1567 | int roar_vs_reset_buffer(roar_vs_t * vss, int writering, int readring, int * error) { |
---|
1568 | _ckvss(-1); |
---|
1569 | |
---|
1570 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
1571 | _seterr(ROAR_ERROR_INVAL); |
---|
1572 | return -1; |
---|
1573 | } |
---|
1574 | |
---|
1575 | if ( writering != ROAR_VS_TRUE || writering != ROAR_VS_FALSE || |
---|
1576 | readring != ROAR_VS_TRUE || readring != ROAR_VS_FALSE ) { |
---|
1577 | _seterr(ROAR_ERROR_INVAL); |
---|
1578 | return -1; |
---|
1579 | } |
---|
1580 | |
---|
1581 | if ( writering ) { |
---|
1582 | if ( roar_buffer_ring_reset(vss->writering) == -1 ) { |
---|
1583 | _seterrre(); |
---|
1584 | return -1; |
---|
1585 | } |
---|
1586 | } |
---|
1587 | |
---|
1588 | if ( readring ) { |
---|
1589 | if ( roar_buffer_ring_reset(vss->readring) == -1 ) { |
---|
1590 | _seterrre(); |
---|
1591 | return -1; |
---|
1592 | } |
---|
1593 | } |
---|
1594 | |
---|
1595 | return 0; |
---|
1596 | } |
---|
1597 | |
---|
1598 | int roar_vs_ctl (roar_vs_t * vss, roar_vs_ctlcmd cmd, void * argp, int * error) { |
---|
1599 | _ckvss(-1); |
---|
1600 | |
---|
1601 | switch (cmd) { |
---|
1602 | case ROAR_VS_CMD_NOOP: |
---|
1603 | break; |
---|
1604 | case ROAR_VS_CMD_SET_MIXER: |
---|
1605 | vss->mixerid = *(int*)argp; |
---|
1606 | break; |
---|
1607 | case ROAR_VS_CMD_GET_MIXER: |
---|
1608 | *(int*)argp = vss->mixerid; |
---|
1609 | break; |
---|
1610 | case ROAR_VS_CMD_SET_FIRST_PRIM: |
---|
1611 | vss->first_primid = *(int*)argp; |
---|
1612 | break; |
---|
1613 | case ROAR_VS_CMD_GET_FIRST_PRIM: |
---|
1614 | *(int*)argp = vss->first_primid; |
---|
1615 | break; |
---|
1616 | #ifdef _HAVE_SOCKOPT |
---|
1617 | case ROAR_VS_CMD_SET_LATC_P: |
---|
1618 | vss->latc.p = *(float*)argp; |
---|
1619 | break; |
---|
1620 | case ROAR_VS_CMD_GET_LATC_P: |
---|
1621 | *(float*)argp = vss->latc.p; |
---|
1622 | break; |
---|
1623 | case ROAR_VS_CMD_SET_LATC_TARGET: |
---|
1624 | vss->latc.target = *(float*)argp; |
---|
1625 | break; |
---|
1626 | case ROAR_VS_CMD_GET_LATC_TARGET: |
---|
1627 | *(float*)argp = vss->latc.target; |
---|
1628 | break; |
---|
1629 | case ROAR_VS_CMD_SET_LATC_WINDOW: |
---|
1630 | vss->latc.window = *(float*)argp; |
---|
1631 | break; |
---|
1632 | case ROAR_VS_CMD_GET_LATC_WINDOW: |
---|
1633 | *(float*)argp = vss->latc.window; |
---|
1634 | break; |
---|
1635 | case ROAR_VS_CMD_SET_LATC_MINLAG: |
---|
1636 | vss->latc.minlag = *(float*)argp; |
---|
1637 | break; |
---|
1638 | case ROAR_VS_CMD_GET_LATC_MINLAG: |
---|
1639 | *(float*)argp = vss->latc.minlag; |
---|
1640 | break; |
---|
1641 | #endif |
---|
1642 | case ROAR_VS_CMD_SET_FREE_VOLUME: |
---|
1643 | switch (*(int*)argp) { |
---|
1644 | case ROAR_VS_TRUE: |
---|
1645 | vss->flags |= FLAG_FREE_VOL; |
---|
1646 | break; |
---|
1647 | case ROAR_VS_FALSE: |
---|
1648 | vss->flags |= FLAG_FREE_VOL; |
---|
1649 | vss->flags -= FLAG_FREE_VOL; |
---|
1650 | break; |
---|
1651 | case ROAR_VS_TOGGLE: |
---|
1652 | if ( vss->flags & FLAG_FREE_VOL ) { |
---|
1653 | vss->flags -= FLAG_FREE_VOL; |
---|
1654 | } else { |
---|
1655 | vss->flags |= FLAG_FREE_VOL; |
---|
1656 | } |
---|
1657 | break; |
---|
1658 | default: |
---|
1659 | _seterr(ROAR_ERROR_INVAL); |
---|
1660 | return -1; |
---|
1661 | break; |
---|
1662 | } |
---|
1663 | break; |
---|
1664 | case ROAR_VS_CMD_GET_FREE_VOLUME: |
---|
1665 | *(int*)argp = vss->flags & FLAG_FREE_VOL ? ROAR_VS_TRUE : ROAR_VS_FALSE; |
---|
1666 | break; |
---|
1667 | case ROAR_VS_CMD_SET_DEFAULT_PAUSED: |
---|
1668 | switch (*(int*)argp) { |
---|
1669 | case ROAR_VS_TRUE: |
---|
1670 | vss->flags |= FLAG_DEF_PAUSE; |
---|
1671 | break; |
---|
1672 | case ROAR_VS_FALSE: |
---|
1673 | vss->flags |= FLAG_DEF_PAUSE; |
---|
1674 | vss->flags -= FLAG_DEF_PAUSE; |
---|
1675 | break; |
---|
1676 | case ROAR_VS_TOGGLE: |
---|
1677 | if ( vss->flags & FLAG_DEF_PAUSE ) { |
---|
1678 | vss->flags -= FLAG_DEF_PAUSE; |
---|
1679 | } else { |
---|
1680 | vss->flags |= FLAG_DEF_PAUSE; |
---|
1681 | } |
---|
1682 | break; |
---|
1683 | default: |
---|
1684 | _seterr(ROAR_ERROR_INVAL); |
---|
1685 | return -1; |
---|
1686 | break; |
---|
1687 | } |
---|
1688 | break; |
---|
1689 | case ROAR_VS_CMD_GET_DEFAULT_PAUSED: |
---|
1690 | *(int*)argp = vss->flags & FLAG_DEF_PAUSE ? ROAR_VS_TRUE : ROAR_VS_FALSE; |
---|
1691 | break; |
---|
1692 | case ROAR_VS_CMD_SET_ASYNC: |
---|
1693 | vss->async.level = *(int*)argp; |
---|
1694 | break; |
---|
1695 | case ROAR_VS_CMD_GET_ASYNC: |
---|
1696 | *(int*)argp = vss->async.level; |
---|
1697 | break; |
---|
1698 | case ROAR_VS_CMD_LOCK_ASYNC: |
---|
1699 | _ckasync(-1); |
---|
1700 | if ( argp == NULL ) { |
---|
1701 | vss->async.lock++; |
---|
1702 | } else { |
---|
1703 | vss->async.lock -= *(int*)argp; |
---|
1704 | } |
---|
1705 | break; |
---|
1706 | case ROAR_VS_CMD_UNLOCK_ASYNC: |
---|
1707 | if ( argp == NULL ) { |
---|
1708 | if ( !vss->async.lock ) { |
---|
1709 | _seterr(ROAR_ERROR_LOSTSYNC); |
---|
1710 | return -1; |
---|
1711 | } else { |
---|
1712 | vss->async.lock--; |
---|
1713 | } |
---|
1714 | } else { |
---|
1715 | if ( vss->async.lock < (size_t)*(int*)argp ) { |
---|
1716 | _seterr(ROAR_ERROR_LOSTSYNC); |
---|
1717 | return -1; |
---|
1718 | } else { |
---|
1719 | vss->async.lock -= *(int*)argp; |
---|
1720 | } |
---|
1721 | } |
---|
1722 | break; |
---|
1723 | // use ifndef here so warnings of unhandled enum values will be shown in DEBUG mode. |
---|
1724 | #ifndef DEBUG |
---|
1725 | default: |
---|
1726 | _seterr(ROAR_ERROR_INVAL); |
---|
1727 | return -1; |
---|
1728 | break; |
---|
1729 | #endif |
---|
1730 | } |
---|
1731 | |
---|
1732 | return 0; |
---|
1733 | } |
---|
1734 | |
---|
1735 | struct roar_connection * roar_vs_connection_obj(roar_vs_t * vss, int * error) { |
---|
1736 | _ckvss(NULL); |
---|
1737 | |
---|
1738 | return vss->con; |
---|
1739 | } |
---|
1740 | |
---|
1741 | struct roar_stream * roar_vs_stream_obj (roar_vs_t * vss, int * error) { |
---|
1742 | _ckvss(NULL); |
---|
1743 | |
---|
1744 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
1745 | _seterr(ROAR_ERROR_INVAL); |
---|
1746 | return NULL; |
---|
1747 | } |
---|
1748 | |
---|
1749 | return &(vss->stream); |
---|
1750 | } |
---|
1751 | |
---|
1752 | struct roar_vio_calls * roar_vs_vio_obj (roar_vs_t * vss, int * error) { |
---|
1753 | _ckvss(NULL); |
---|
1754 | |
---|
1755 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
1756 | _seterr(ROAR_ERROR_INVAL); |
---|
1757 | return NULL; |
---|
1758 | } |
---|
1759 | |
---|
1760 | return &(vss->vio); |
---|
1761 | } |
---|
1762 | |
---|
1763 | //ll |
---|