1 | //emul_esd.c: |
---|
2 | |
---|
3 | /* |
---|
4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009 |
---|
5 | * |
---|
6 | * This file is part of roard a part of RoarAudio, |
---|
7 | * a cross-platform sound system for both, home and professional use. |
---|
8 | * See README for details. |
---|
9 | * |
---|
10 | * This file is free software; you can redistribute it and/or modify |
---|
11 | * it under the terms of the GNU General Public License version 3 |
---|
12 | * as published by the Free Software Foundation. |
---|
13 | * |
---|
14 | * RoarAudio is distributed in the hope that it will be useful, |
---|
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
17 | * GNU General Public License for more details. |
---|
18 | * |
---|
19 | * You should have received a copy of the GNU General Public License |
---|
20 | * along with this software; see the file COPYING. If not, write to |
---|
21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
---|
22 | * |
---|
23 | */ |
---|
24 | |
---|
25 | #include "roard.h" |
---|
26 | |
---|
27 | #ifndef ROAR_WITHOUT_DCOMP_EMUL_ESD |
---|
28 | #ifdef ROAR_HAVE_ESD |
---|
29 | |
---|
30 | #if !defined(ROAR_TARGET_MICROCONTROLLER) && !defined(ROAR_MINIMAL) |
---|
31 | #define _NAME(x) (x) |
---|
32 | #else |
---|
33 | #define _NAME(x) ((char*)NULL) |
---|
34 | #endif |
---|
35 | |
---|
36 | #define _cmd_t int |
---|
37 | #define _INTSIZE sizeof(_cmd_t) |
---|
38 | |
---|
39 | #define _NOT_TO_IMPLEMENT NULL |
---|
40 | #define _UNIMPLEMNTED_IN_ESD NULL |
---|
41 | #define _NEED_SAMPLE_SUPPORT NULL |
---|
42 | |
---|
43 | struct emul_esd_command g_emul_esd_commands[] = { |
---|
44 | {ESD_PROTO_CONNECT, ESD_KEY_LEN + _INTSIZE, _NAME("CONNECT"), emul_esd_on_connect}, |
---|
45 | {ESD_PROTO_LOCK, ESD_KEY_LEN + _INTSIZE, _NAME("LOCK"), NULL}, |
---|
46 | {ESD_PROTO_UNLOCK, ESD_KEY_LEN + _INTSIZE, _NAME("UNLOCK"), NULL}, |
---|
47 | {ESD_PROTO_STREAM_PLAY, ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_PLAY"), emul_esd_on_stream}, |
---|
48 | {ESD_PROTO_STREAM_REC, ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_REC"), emul_esd_on_stream}, |
---|
49 | {ESD_PROTO_STREAM_MON, ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_MON"), emul_esd_on_stream}, |
---|
50 | {ESD_PROTO_SAMPLE_CACHE, ESD_NAME_MAX + 3 * _INTSIZE, _NAME("SAMPLE_CACHE"), _NEED_SAMPLE_SUPPORT}, |
---|
51 | {ESD_PROTO_SAMPLE_FREE, _INTSIZE, _NAME("SAMPLE_FREE"), _NEED_SAMPLE_SUPPORT}, |
---|
52 | {ESD_PROTO_SAMPLE_PLAY, _INTSIZE, _NAME("SAMPLE_PLAY"), _NEED_SAMPLE_SUPPORT}, |
---|
53 | {ESD_PROTO_SAMPLE_LOOP, _INTSIZE, _NAME("SAMPLE_LOOP"), _NEED_SAMPLE_SUPPORT}, |
---|
54 | {ESD_PROTO_SAMPLE_STOP, _INTSIZE, _NAME("SAMPLE_STOP"), _NEED_SAMPLE_SUPPORT}, |
---|
55 | {ESD_PROTO_SAMPLE_KILL, 0 , _NAME("SAMPLE_KILL"), _NEED_SAMPLE_SUPPORT}, |
---|
56 | {ESD_PROTO_STANDBY, ESD_KEY_LEN + _INTSIZE, _NAME("STANDBY"), emul_esd_on_standby}, |
---|
57 | {ESD_PROTO_RESUME, ESD_KEY_LEN + _INTSIZE, _NAME("RESUME"), emul_esd_on_standby}, |
---|
58 | {ESD_PROTO_SAMPLE_GETID, ESD_NAME_MAX , _NAME("SAMPLE_GETID"), _NEED_SAMPLE_SUPPORT}, |
---|
59 | {ESD_PROTO_STREAM_FILT, ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_FILT"), emul_esd_on_stream}, |
---|
60 | {ESD_PROTO_SERVER_INFO, _INTSIZE, _NAME("SERVER_INFO"), NULL}, |
---|
61 | {ESD_PROTO_ALL_INFO, _INTSIZE, _NAME("ALL_INFO"), NULL}, |
---|
62 | {ESD_PROTO_SUBSCRIBE, 0 , _NAME("SUBSCRIBE"), _UNIMPLEMNTED_IN_ESD}, |
---|
63 | {ESD_PROTO_UNSUBSCRIBE, 0 , _NAME("UNSUBSCRIBE"), _UNIMPLEMNTED_IN_ESD}, |
---|
64 | {ESD_PROTO_STREAM_PAN, 3 * _INTSIZE, _NAME("STREAM_PAN"), NULL}, |
---|
65 | {ESD_PROTO_SAMPLE_PAN, 3 * _INTSIZE, _NAME("SAMPLE_PAN"), _NEED_SAMPLE_SUPPORT}, |
---|
66 | {ESD_PROTO_STANDBY_MODE, _INTSIZE, _NAME("STANDBY_MODE"), emul_esd_on_standbymode}, |
---|
67 | {ESD_PROTO_LATENCY, 0 , _NAME("LATENCY"), emul_esd_on_latency}, |
---|
68 | {ESD_PROTO_MAX, 0 , _NAME("MAX"), _NOT_TO_IMPLEMENT}, |
---|
69 | {-1, 0, _NAME("END OF LIST"), _NOT_TO_IMPLEMENT} |
---|
70 | }; |
---|
71 | |
---|
72 | // command handling: |
---|
73 | int emul_esd_exec_command(int client, int cmd, struct roar_vio_calls * vio) { |
---|
74 | struct emul_esd_command * cur; |
---|
75 | void * data = NULL; |
---|
76 | ssize_t ret; |
---|
77 | size_t done = 0; |
---|
78 | int r; |
---|
79 | int i; |
---|
80 | |
---|
81 | ROAR_DBG("emul_esd_exec_command(*) = ?"); |
---|
82 | |
---|
83 | if ( client == -1 || cmd < ESD_PROTO_CONNECT || cmd > ESD_PROTO_MAX || vio == NULL ) |
---|
84 | return -1; |
---|
85 | |
---|
86 | ROAR_DBG("emul_esd_exec_command(*) = ?"); |
---|
87 | |
---|
88 | for (i = 0; (cur = &(g_emul_esd_commands[i]))->cmd != -1; i++) { |
---|
89 | if ( cur->cmd == cmd ) { |
---|
90 | if ( cur->datalen > 0 ) { |
---|
91 | if ( (data = malloc(cur->datalen)) == NULL ) { |
---|
92 | // we will do a protocol error in case we do not drop the client |
---|
93 | clients_delete(client); |
---|
94 | return -1; |
---|
95 | } |
---|
96 | |
---|
97 | while ( done < cur->datalen ) { |
---|
98 | ret = roar_vio_read(vio, data+done, cur->datalen-done); |
---|
99 | |
---|
100 | if ( ret < 1 ) { |
---|
101 | free(data); |
---|
102 | clients_delete(client); |
---|
103 | return -1; |
---|
104 | } else { |
---|
105 | done += ret; |
---|
106 | } |
---|
107 | } |
---|
108 | } |
---|
109 | |
---|
110 | if ( cur->handler == NULL ) { |
---|
111 | ROAR_WARN("emul_esd_exec_command(client=%i, cmd=%s(%i), vio=%p): client uses unimplemted command", |
---|
112 | client, cur->name, cmd, vio |
---|
113 | ); |
---|
114 | clients_delete(client); |
---|
115 | r = -1; |
---|
116 | } else { |
---|
117 | r = cur->handler(client, cur, data, vio); |
---|
118 | } |
---|
119 | |
---|
120 | if ( data != NULL ) |
---|
121 | free(data); |
---|
122 | |
---|
123 | return r; |
---|
124 | } |
---|
125 | } |
---|
126 | |
---|
127 | return -1; |
---|
128 | } |
---|
129 | |
---|
130 | int emul_esd_check_client(int client, struct roar_vio_calls * vio) { |
---|
131 | struct roar_vio_calls calls; |
---|
132 | _cmd_t cmd; |
---|
133 | |
---|
134 | if ( client == -1 ) |
---|
135 | return -1; |
---|
136 | |
---|
137 | if ( vio == NULL ) { |
---|
138 | vio = &calls; |
---|
139 | if ( roar_vio_open_fh(vio, clients_get_fh(client)) == -1 ) |
---|
140 | return -1; |
---|
141 | } |
---|
142 | |
---|
143 | if ( roar_vio_read(vio, &cmd, _INTSIZE) != _INTSIZE ) { |
---|
144 | // really bad protocol error |
---|
145 | clients_delete(client); |
---|
146 | return -1; |
---|
147 | } |
---|
148 | |
---|
149 | return emul_esd_exec_command(client, cmd, vio); |
---|
150 | } |
---|
151 | |
---|
152 | // porto lib: |
---|
153 | int emul_esd_int_read_buf (int client, int * data, void * buf) { |
---|
154 | _cmd_t d; |
---|
155 | |
---|
156 | if ( data == NULL || buf == NULL ) |
---|
157 | return -1; |
---|
158 | |
---|
159 | d = *(_cmd_t*)buf; |
---|
160 | |
---|
161 | *data = d; |
---|
162 | |
---|
163 | return 0; |
---|
164 | } |
---|
165 | int emul_esd_int_read (int client, int * data, struct roar_vio_calls * vio) { |
---|
166 | _cmd_t d; |
---|
167 | |
---|
168 | if ( data == NULL ) |
---|
169 | return -1; |
---|
170 | |
---|
171 | if ( roar_vio_read(vio, &d, _INTSIZE) != _INTSIZE ) |
---|
172 | return -1; |
---|
173 | |
---|
174 | *data = d; |
---|
175 | |
---|
176 | return 0; |
---|
177 | } |
---|
178 | |
---|
179 | int emul_esd_int_write (int client, int data, struct roar_vio_calls * vio) { |
---|
180 | _cmd_t d = data; |
---|
181 | |
---|
182 | return roar_vio_write(vio, &d, _INTSIZE) == _INTSIZE ? 0 : -1; |
---|
183 | } |
---|
184 | |
---|
185 | int emul_esd_test_auth (int client, void * data, struct roar_vio_calls * vio) { |
---|
186 | // accept all clients for the moment. |
---|
187 | return emul_esd_int_write(client, 1, vio); |
---|
188 | } |
---|
189 | |
---|
190 | int emul_esd_test_byteorder(int client, void * data) { |
---|
191 | // TODO: do a real test |
---|
192 | return 0; |
---|
193 | } |
---|
194 | |
---|
195 | // handler: |
---|
196 | int emul_esd_on_connect (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
---|
197 | |
---|
198 | ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio); |
---|
199 | |
---|
200 | if ( client == -1 || data == NULL || vio == NULL ) |
---|
201 | return -1; |
---|
202 | |
---|
203 | ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio); |
---|
204 | |
---|
205 | if ( emul_esd_test_auth(client, data, vio) == -1 ) |
---|
206 | return -1; |
---|
207 | |
---|
208 | ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio); |
---|
209 | |
---|
210 | if ( emul_esd_test_byteorder(client, data+ESD_KEY_LEN) == -1 ) |
---|
211 | return -1; |
---|
212 | |
---|
213 | ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio); |
---|
214 | |
---|
215 | return 0; |
---|
216 | } |
---|
217 | |
---|
218 | int emul_esd_on_stream (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
---|
219 | struct roar_stream_server * ss; |
---|
220 | struct roar_stream * s; |
---|
221 | struct roar_client * c; |
---|
222 | int stream; |
---|
223 | int dir = -1; |
---|
224 | int esdformat; |
---|
225 | int rate; |
---|
226 | |
---|
227 | if ( client == -1 || cmd == NULL || data == NULL || vio == NULL ) |
---|
228 | return -1; |
---|
229 | |
---|
230 | switch (cmd->cmd) { |
---|
231 | case ESD_PROTO_STREAM_PLAY: dir = ROAR_DIR_PLAY; break; |
---|
232 | case ESD_PROTO_STREAM_REC: dir = ROAR_DIR_RECORD; break; |
---|
233 | case ESD_PROTO_STREAM_MON: dir = ROAR_DIR_MONITOR; break; |
---|
234 | case ESD_PROTO_STREAM_FILT: dir = ROAR_DIR_FILTER; break; |
---|
235 | default: |
---|
236 | clients_delete(client); |
---|
237 | return -1; |
---|
238 | } |
---|
239 | |
---|
240 | if ( clients_get(client, &c) == -1 ) { |
---|
241 | return -1; |
---|
242 | } |
---|
243 | |
---|
244 | ROAR_DBG("emul_esd_on_stream(client=%i, ...): creating stream...", client); |
---|
245 | if ((stream = streams_new()) == -1 ) { |
---|
246 | clients_delete(client); |
---|
247 | return -1; |
---|
248 | } |
---|
249 | |
---|
250 | ROAR_DBG("emul_esd_on_stream(client=%i, ...): getting stream...", client); |
---|
251 | if ( streams_get(stream, &ss) == -1 ) { |
---|
252 | streams_delete(stream); |
---|
253 | clients_delete(client); |
---|
254 | return -1; |
---|
255 | } |
---|
256 | |
---|
257 | s = ROAR_STREAM(ss); |
---|
258 | |
---|
259 | ROAR_DBG("emul_esd_on_stream(client=%i, ...): set client of stream...", client); |
---|
260 | if ( client_stream_add(client, stream) == -1 ) { |
---|
261 | streams_delete(stream); |
---|
262 | clients_delete(client); |
---|
263 | return -1; |
---|
264 | } |
---|
265 | |
---|
266 | emul_esd_int_read_buf(client, &esdformat, data); |
---|
267 | emul_esd_int_read_buf(client, &rate, data+_INTSIZE); |
---|
268 | |
---|
269 | strncpy(c->name, data + 2*_INTSIZE, ROAR_BUFFER_NAME > ESD_NAME_MAX ? ESD_NAME_MAX : ROAR_BUFFER_NAME); |
---|
270 | c->name[ROAR_BUFFER_NAME-1] = 0; |
---|
271 | |
---|
272 | ROAR_DBG("emul_esd_on_stream(*): esdformat=0x%.8X, rate=%i", esdformat, rate); |
---|
273 | |
---|
274 | s->info.rate = rate; |
---|
275 | |
---|
276 | switch (esdformat & ESD_MASK_BITS) { |
---|
277 | case ESD_BITS8: s->info.bits = 8; s->info.codec = ROAR_CODEC_PCM_U_LE; break; |
---|
278 | case ESD_BITS16: s->info.bits = 16; s->info.codec = ROAR_CODEC_DEFAULT; break; |
---|
279 | default: |
---|
280 | streams_delete(stream); |
---|
281 | clients_delete(client); |
---|
282 | return -1; |
---|
283 | } |
---|
284 | |
---|
285 | switch (esdformat & ESD_MASK_CHAN) { |
---|
286 | case ESD_MONO: s->info.channels = 1; break; |
---|
287 | case ESD_STEREO: s->info.channels = 2; break; |
---|
288 | default: |
---|
289 | streams_delete(stream); |
---|
290 | clients_delete(client); |
---|
291 | return -1; |
---|
292 | } |
---|
293 | |
---|
294 | ss->codec_orgi = s->info.codec; |
---|
295 | |
---|
296 | 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); |
---|
297 | |
---|
298 | if ( streams_set_dir(stream, dir, 1) == -1 ) { |
---|
299 | clients_delete(client); |
---|
300 | return -1; |
---|
301 | } |
---|
302 | |
---|
303 | if ( client_stream_exec(client, stream) == -1 ) { |
---|
304 | clients_delete(client); |
---|
305 | return -1; |
---|
306 | } |
---|
307 | |
---|
308 | return 0; |
---|
309 | } |
---|
310 | |
---|
311 | int emul_esd_on_latency (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
---|
312 | int lag = ROAR_OUTPUT_CFREQ; |
---|
313 | |
---|
314 | lag *= 2.0 * 44100.0 / (float)g_sa->rate; |
---|
315 | |
---|
316 | return emul_esd_int_write(client, lag, vio); |
---|
317 | } |
---|
318 | |
---|
319 | int emul_esd_on_standby (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
---|
320 | int ok = 0; |
---|
321 | |
---|
322 | if ( emul_esd_test_auth(client, data, vio) == -1 ) { |
---|
323 | return emul_esd_int_write(client, ok, vio); |
---|
324 | } |
---|
325 | |
---|
326 | ok = 1; |
---|
327 | |
---|
328 | if (cmd->cmd == ESD_PROTO_STANDBY) { |
---|
329 | g_standby = 1; |
---|
330 | } else { |
---|
331 | g_standby = 0; |
---|
332 | } |
---|
333 | |
---|
334 | |
---|
335 | return emul_esd_int_write(client, ok, vio); |
---|
336 | } |
---|
337 | |
---|
338 | int emul_esd_on_standbymode(int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
---|
339 | int mode = ESM_ERROR; |
---|
340 | |
---|
341 | if ( g_standby ) { |
---|
342 | if ( g_autostandby ) { |
---|
343 | mode = ESM_ON_AUTOSTANDBY; |
---|
344 | } else { |
---|
345 | mode = ESM_ON_STANDBY; |
---|
346 | } |
---|
347 | } else { |
---|
348 | mode = ESM_RUNNING; |
---|
349 | } |
---|
350 | |
---|
351 | return emul_esd_int_write(client, mode, vio); |
---|
352 | } |
---|
353 | |
---|
354 | #endif |
---|
355 | #endif |
---|
356 | |
---|
357 | //ll |
---|