/
emul_esd.c
537 lines (421 loc) · 14.7 KB
/
emul_esd.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
//emul_esd.c:
/*
* Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2010
*
* This file is part of roard a part of RoarAudio,
* a cross-platform sound system for both, home and professional use.
* See README for details.
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3
* as published by the Free Software Foundation.
*
* RoarAudio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "roard.h"
#ifndef ROAR_WITHOUT_DCOMP_EMUL_ESD
#ifdef ROAR_HAVE_H_ESD
#if !defined(ROAR_TARGET_MICROCONTROLLER) && !defined(ROAR_MINIMAL)
#define _NAME(x) (x)
#else
#define _NAME(x) ((char*)NULL)
#endif
#define _cmd_t int
#define _INTSIZE sizeof(_cmd_t)
#define _NOT_TO_IMPLEMENT NULL
#define _UNIMPLEMNTED_IN_ESD NULL
#define _NEED_SAMPLE_SUPPORT NULL
#define _ROAR2ESD(x) ((x)+1)
#define _ESD2ROAR(x) ((x)-1)
struct emul_esd_command g_emul_esd_commands[] = {
{ESD_PROTO_CONNECT, ESD_KEY_LEN + _INTSIZE, _NAME("CONNECT"), emul_esd_on_connect},
{ESD_PROTO_LOCK, ESD_KEY_LEN + _INTSIZE, _NAME("LOCK"), NULL},
{ESD_PROTO_UNLOCK, ESD_KEY_LEN + _INTSIZE, _NAME("UNLOCK"), NULL},
{ESD_PROTO_STREAM_PLAY, ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_PLAY"), emul_esd_on_stream},
{ESD_PROTO_STREAM_REC, ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_REC"), emul_esd_on_stream},
{ESD_PROTO_STREAM_MON, ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_MON"), emul_esd_on_stream},
{ESD_PROTO_SAMPLE_CACHE, ESD_NAME_MAX + 3 * _INTSIZE, _NAME("SAMPLE_CACHE"), _NEED_SAMPLE_SUPPORT},
{ESD_PROTO_SAMPLE_FREE, _INTSIZE, _NAME("SAMPLE_FREE"), _NEED_SAMPLE_SUPPORT},
{ESD_PROTO_SAMPLE_PLAY, _INTSIZE, _NAME("SAMPLE_PLAY"), _NEED_SAMPLE_SUPPORT},
{ESD_PROTO_SAMPLE_LOOP, _INTSIZE, _NAME("SAMPLE_LOOP"), _NEED_SAMPLE_SUPPORT},
{ESD_PROTO_SAMPLE_STOP, _INTSIZE, _NAME("SAMPLE_STOP"), _NEED_SAMPLE_SUPPORT},
{ESD_PROTO_SAMPLE_KILL, 0 , _NAME("SAMPLE_KILL"), _NEED_SAMPLE_SUPPORT},
{ESD_PROTO_STANDBY, ESD_KEY_LEN + _INTSIZE, _NAME("STANDBY"), emul_esd_on_standby},
{ESD_PROTO_RESUME, ESD_KEY_LEN + _INTSIZE, _NAME("RESUME"), emul_esd_on_standby},
{ESD_PROTO_SAMPLE_GETID, ESD_NAME_MAX , _NAME("SAMPLE_GETID"), _NEED_SAMPLE_SUPPORT},
{ESD_PROTO_STREAM_FILT, ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_FILT"), emul_esd_on_stream},
{ESD_PROTO_SERVER_INFO, _INTSIZE, _NAME("SERVER_INFO"), emul_esd_on_server_info},
{ESD_PROTO_ALL_INFO, _INTSIZE, _NAME("ALL_INFO"), emul_esd_on_all_info},
{ESD_PROTO_SUBSCRIBE, 0 , _NAME("SUBSCRIBE"), _UNIMPLEMNTED_IN_ESD},
{ESD_PROTO_UNSUBSCRIBE, 0 , _NAME("UNSUBSCRIBE"), _UNIMPLEMNTED_IN_ESD},
{ESD_PROTO_STREAM_PAN, 3 * _INTSIZE, _NAME("STREAM_PAN"), emul_esd_on_stream_pan},
{ESD_PROTO_SAMPLE_PAN, 3 * _INTSIZE, _NAME("SAMPLE_PAN"), _NEED_SAMPLE_SUPPORT},
{ESD_PROTO_STANDBY_MODE, _INTSIZE, _NAME("STANDBY_MODE"), emul_esd_on_standbymode},
{ESD_PROTO_LATENCY, 0 , _NAME("LATENCY"), emul_esd_on_latency},
{ESD_PROTO_MAX, 0 , _NAME("MAX"), _NOT_TO_IMPLEMENT},
{-1, 0, _NAME("END OF LIST"), _NOT_TO_IMPLEMENT}
};
// command handling:
int emul_esd_exec_command(int client, int cmd, struct roar_vio_calls * vio) {
struct emul_esd_command * cur;
void * data = NULL;
ssize_t ret;
size_t done = 0;
int r;
int i;
ROAR_DBG("emul_esd_exec_command(*) = ?");
if ( client == -1 || cmd < ESD_PROTO_CONNECT || cmd > ESD_PROTO_MAX || vio == NULL )
return -1;
ROAR_DBG("emul_esd_exec_command(*) = ?");
for (i = 0; (cur = &(g_emul_esd_commands[i]))->cmd != -1; i++) {
if ( cur->cmd == cmd ) {
if ( cur->datalen > 0 ) {
if ( (data = malloc(cur->datalen)) == NULL ) {
// we will do a protocol error in case we do not drop the client
clients_delete(client);
return -1;
}
while ( done < cur->datalen ) {
ret = roar_vio_read(vio, data+done, cur->datalen-done);
if ( ret < 1 ) {
free(data);
clients_delete(client);
return -1;
} else {
done += ret;
}
}
}
if ( cur->handler == NULL ) {
ROAR_WARN("emul_esd_exec_command(client=%i, cmd=%s(%i), vio=%p): client uses unimplemted command",
client, cur->name, cmd, vio
);
clients_delete(client);
r = -1;
} else {
r = cur->handler(client, cur, data, vio);
}
if ( data != NULL )
free(data);
return r;
}
}
return -1;
}
int emul_esd_check_client(int client, struct roar_vio_calls * vio) {
struct roar_vio_calls calls;
_cmd_t cmd;
if ( client == -1 )
return -1;
if ( vio == NULL ) {
vio = &calls;
if ( roar_vio_open_fh_socket(vio, clients_get_fh(client)) == -1 )
return -1;
}
if ( roar_vio_read(vio, &cmd, _INTSIZE) != _INTSIZE ) {
// really bad protocol error
clients_delete(client);
return -1;
}
return emul_esd_exec_command(client, cmd, vio);
}
// porto lib:
int emul_esd_int_read_buf (int client, int * data, void * buf) {
_cmd_t d;
if ( data == NULL || buf == NULL )
return -1;
d = *(_cmd_t*)buf;
*data = d;
return 0;
}
int emul_esd_int_read (int client, int * data, struct roar_vio_calls * vio) {
_cmd_t d;
if ( data == NULL )
return -1;
if ( roar_vio_read(vio, &d, _INTSIZE) != _INTSIZE )
return -1;
*data = d;
return 0;
}
int emul_esd_int_write (int client, int data, struct roar_vio_calls * vio) {
_cmd_t d = data;
return roar_vio_write(vio, &d, _INTSIZE) == _INTSIZE ? 0 : -1;
}
int emul_esd_test_auth (int client, void * data, struct roar_vio_calls * vio) {
// accept all clients for the moment.
return emul_esd_int_write(client, 1, vio);
}
int emul_esd_test_byteorder(int client, void * data) {
struct roar_client * c;
if ( clients_get(client, &c) == -1 )
return -1;
// "NDNE";
if ( !memcmp(data, "NDNE", 4) ) {
c->byteorder = ROAR_BYTEORDER_LE;
} else if ( !memcmp(data, "ENDE", 4) ) {
c->byteorder = ROAR_BYTEORDER_BE;
} else if ( !memcmp(data, "NEED", 4) ) {
c->byteorder = ROAR_BYTEORDER_PDP;
} else {
return -1;
}
return 0;
}
// handler:
int emul_esd_on_connect (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) {
ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio);
if ( client == -1 || data == NULL || vio == NULL )
return -1;
ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio);
if ( emul_esd_test_auth(client, data, vio) == -1 )
return -1;
ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio);
if ( emul_esd_test_byteorder(client, data+ESD_KEY_LEN) == -1 )
return -1;
ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio);
return 0;
}
int emul_esd_on_stream (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) {
struct roar_stream_server * ss;
struct roar_stream * s;
struct roar_client * c;
int stream;
int dir = -1;
int esdformat;
int rate = 0;
if ( client == -1 || cmd == NULL || data == NULL || vio == NULL )
return -1;
switch (cmd->cmd) {
case ESD_PROTO_STREAM_PLAY: dir = ROAR_DIR_PLAY; break;
case ESD_PROTO_STREAM_REC: dir = ROAR_DIR_RECORD; break;
case ESD_PROTO_STREAM_MON: dir = ROAR_DIR_MONITOR; break;
case ESD_PROTO_STREAM_FILT: dir = ROAR_DIR_FILTER; break;
default:
clients_delete(client);
return -1;
}
if ( clients_get(client, &c) == -1 ) {
return -1;
}
ROAR_DBG("emul_esd_on_stream(client=%i, ...): creating stream...", client);
if ((stream = streams_new()) == -1 ) {
clients_delete(client);
return -1;
}
ROAR_DBG("emul_esd_on_stream(client=%i, ...): getting stream...", client);
if ( streams_get(stream, &ss) == -1 ) {
streams_delete(stream);
clients_delete(client);
return -1;
}
s = ROAR_STREAM(ss);
ROAR_DBG("emul_esd_on_stream(client=%i, ...): set client of stream...", client);
if ( client_stream_add(client, stream) == -1 ) {
streams_delete(stream);
clients_delete(client);
return -1;
}
emul_esd_int_read_buf(client, &esdformat, data);
emul_esd_int_read_buf(client, &rate, data+_INTSIZE);
strncpy(c->name, data + 2*_INTSIZE, ROAR_BUFFER_NAME > ESD_NAME_MAX ? ESD_NAME_MAX : ROAR_BUFFER_NAME);
c->name[ROAR_BUFFER_NAME-1] = 0;
ROAR_DBG("emul_esd_on_stream(*): esdformat=0x%.8X, rate=%i", esdformat, rate);
s->info.rate = rate;
switch (esdformat & ESD_MASK_BITS) {
case ESD_BITS8: s->info.bits = 8; s->info.codec = ROAR_CODEC_PCM_U_LE; break;
case ESD_BITS16: s->info.bits = 16; s->info.codec = ROAR_CODEC_DEFAULT; break;
default:
streams_delete(stream);
clients_delete(client);
return -1;
}
switch (esdformat & ESD_MASK_CHAN) {
case ESD_MONO: s->info.channels = 1; break;
case ESD_STEREO: s->info.channels = 2; break;
default:
streams_delete(stream);
clients_delete(client);
return -1;
}
ss->codec_orgi = s->info.codec;
ROAR_DBG("emul_esd_on_stream(*): s->info = {.rate=%i, .bits=%i, .channels=%i, .codec=%i}", s->info.rate, s->info.bits, s->info.channels, s->info.codec);
if ( streams_set_dir(stream, dir, 1) == -1 ) {
clients_delete(client);
return -1;
}
if ( client_stream_exec(client, stream) == -1 ) {
clients_delete(client);
return -1;
}
return 0;
}
int emul_esd_on_latency (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) {
int lag = ROAR_OUTPUT_CFREQ;
lag *= 2.0 * 44100.0 / (float)g_sa->rate;
return emul_esd_int_write(client, lag, vio);
}
int emul_esd_on_standby (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) {
int ok = 0;
if ( emul_esd_test_auth(client, data, vio) == -1 ) {
return emul_esd_int_write(client, ok, vio);
}
ok = 1;
if (cmd->cmd == ESD_PROTO_STANDBY) {
g_standby = 1;
} else {
g_standby = 0;
}
return emul_esd_int_write(client, ok, vio);
}
int emul_esd_on_standbymode(int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) {
int mode = ESM_ERROR;
if ( g_standby ) {
if ( g_autostandby ) {
mode = ESM_ON_AUTOSTANDBY;
} else {
mode = ESM_ON_STANDBY;
}
} else {
mode = ESM_RUNNING;
}
return emul_esd_int_write(client, mode, vio);
}
int emul_esd_on_stream_pan (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) {
struct roar_stream_server * ss;
int stream = -1;
int left = 256, right = 256;
int ok = 0;
emul_esd_int_read_buf(client, &stream, data + 0*_INTSIZE);
emul_esd_int_read_buf(client, &left, data + 1*_INTSIZE);
emul_esd_int_read_buf(client, &right, data + 2*_INTSIZE);
stream = _ESD2ROAR(stream);
if ( streams_get(stream, &ss) != -1 ) {
ss->mixer.scale = 256;
ss->mixer.mixer[0] = left;
ss->mixer.mixer[1] = right;
if ( streams_set_mixer(stream) != -1 )
ok = 1;
}
return emul_esd_int_write(client, ok, vio);
}
int emul_esd_on_server_info(int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) {
int version = 0;
int rate = g_sa->rate;
int format = 0;
switch (g_sa->bits) {
case 8: format |= ESD_BITS8; break;
case 16: format |= ESD_BITS16; break;
}
switch (g_sa->channels) {
case 1: format |= ESD_MONO; break;
case 2: format |= ESD_STEREO; break;
}
if ( emul_esd_int_write(client, version, vio) == -1 )
return -1;
if ( emul_esd_int_write(client, rate, vio) == -1 )
return -1;
if ( emul_esd_int_write(client, format, vio) == -1 )
return -1;
return 0;
}
int emul_esd_on_all_info (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) {
struct roar_stream_server * ss;
struct roar_audio_info * info;
struct roar_client * c;
char name[ESD_NAME_MAX];
char * sname;
int id, rate, left, right, format;
int i;
if ( emul_esd_on_server_info(client, cmd, data, vio) == -1 )
return -1;
for (i = 0; i < (ROAR_STREAMS_MAX+2); i++) {
memset(name, 0, sizeof(name));
id = rate = format = 0;
left = right = 0;
if ( i >= ROAR_STREAMS_MAX ) {
id = -1;
} else {
if ( streams_get(i, &ss) == -1 )
continue;
switch (streams_get_dir(i)) {
case ROAR_DIR_PLAY: format |= ESD_PLAY; break;
case ROAR_DIR_MONITOR: format |= ESD_MONITOR; break;
case ROAR_DIR_RECORD: format |= ESD_RECORD; break;
default: continue; break;
}
info = &(ROAR_STREAM(ss)->info);
id = i;
rate = info->rate;
switch (info->bits) {
case 8: format |= ESD_BITS8; break;
case 16: format |= ESD_BITS16; break;
}
switch (info->channels) {
case 1:
if ( ss->mixer.mixer[0] == ss->mixer.scale ) {
left = right = 256;
} else {
left = right = ss->mixer.mixer[0] * 256 / ss->mixer.scale;
}
format |= ESD_MONO;
break;
case 2:
if ( ss->mixer.mixer[0] == ss->mixer.scale ) {
left = 256;
} else {
left = ss->mixer.mixer[0] * 256 / ss->mixer.scale;
}
if ( ss->mixer.mixer[1] == ss->mixer.scale ) {
right = 256;
} else {
right = ss->mixer.mixer[1] * 256 / ss->mixer.scale;
}
format |= ESD_STEREO;
break;
default:
left = right = 0;
}
sname = streams_get_name(id);
if ( sname == NULL || sname[0] == 0 ) {
if ( clients_get(streams_get_client(id), &c) != -1 ) {
sname = c->name;
}
}
if ( sname == NULL || sname[0] == 0 )
sname = "(unknown)";
strncpy(name, sname, sizeof(name) > ROAR_BUFFER_NAME ? ROAR_BUFFER_NAME : sizeof(name));
name[sizeof(name)-1] = 0;
}
id = _ROAR2ESD(id);
if ( emul_esd_int_write(client, id, vio) == -1 )
return -1;
if ( roar_vio_write(vio, name, sizeof(name)) != sizeof(name) )
return -1;
if ( emul_esd_int_write(client, rate, vio) == -1 )
return -1;
if ( emul_esd_int_write(client, left, vio) == -1 )
return -1;
if ( emul_esd_int_write(client, right, vio) == -1 )
return -1;
if ( emul_esd_int_write(client, format, vio) == -1 )
return -1;
if ( i == ROAR_STREAMS_MAX+1) {
// write 'length'...
if ( emul_esd_int_write(client, id, vio) == -1 )
return -1;
}
}
return 0;
}
#endif
#endif
//ll