1 /***
2 This file is part of PulseAudio.
3
4 Copyright 2009 Tanu Kaskinen
5
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2.1 of the License,
9 or (at your option) any later version.
10
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
18 ***/
19
20 #ifdef HAVE_CONFIG_H
21 #include <config.h>
22 #endif
23
24 #include <pulsecore/core-util.h>
25 #include <pulsecore/dbus-util.h>
26 #include <pulsecore/namereg.h>
27 #include <pulsecore/protocol-dbus.h>
28
29 #include "iface-sample.h"
30
31 #define OBJECT_NAME "sample"
32
33 struct pa_dbusiface_sample {
34 pa_dbusiface_core *core;
35
36 pa_scache_entry *sample;
37 char *path;
38 pa_proplist *proplist;
39
40 pa_hook_slot *sample_cache_changed_slot;
41
42 pa_dbus_protocol *dbus_protocol;
43 };
44
45 static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata);
46 static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
47 static void handle_get_sample_format(DBusConnection *conn, DBusMessage *msg, void *userdata);
48 static void handle_get_sample_rate(DBusConnection *conn, DBusMessage *msg, void *userdata);
49 static void handle_get_channels(DBusConnection *conn, DBusMessage *msg, void *userdata);
50 static void handle_get_default_volume(DBusConnection *conn, DBusMessage *msg, void *userdata);
51 static void handle_get_duration(DBusConnection *conn, DBusMessage *msg, void *userdata);
52 static void handle_get_bytes(DBusConnection *conn, DBusMessage *msg, void *userdata);
53 static void handle_get_property_list(DBusConnection *conn, DBusMessage *msg, void *userdata);
54
55 static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
56
57 static void handle_play(DBusConnection *conn, DBusMessage *msg, void *userdata);
58 static void handle_play_to_sink(DBusConnection *conn, DBusMessage *msg, void *userdata);
59 static void handle_remove(DBusConnection *conn, DBusMessage *msg, void *userdata);
60
61 enum property_handler_index {
62 PROPERTY_HANDLER_INDEX,
63 PROPERTY_HANDLER_NAME,
64 PROPERTY_HANDLER_SAMPLE_FORMAT,
65 PROPERTY_HANDLER_SAMPLE_RATE,
66 PROPERTY_HANDLER_CHANNELS,
67 PROPERTY_HANDLER_DEFAULT_VOLUME,
68 PROPERTY_HANDLER_DURATION,
69 PROPERTY_HANDLER_BYTES,
70 PROPERTY_HANDLER_PROPERTY_LIST,
71 PROPERTY_HANDLER_MAX
72 };
73
74 static pa_dbus_property_handler property_handlers[PROPERTY_HANDLER_MAX] = {
75 [PROPERTY_HANDLER_INDEX] = { .property_name = "Index", .type = "u", .get_cb = handle_get_index, .set_cb = NULL },
76 [PROPERTY_HANDLER_NAME] = { .property_name = "Name", .type = "s", .get_cb = handle_get_name, .set_cb = NULL },
77 [PROPERTY_HANDLER_SAMPLE_FORMAT] = { .property_name = "SampleFormat", .type = "u", .get_cb = handle_get_sample_format, .set_cb = NULL },
78 [PROPERTY_HANDLER_SAMPLE_RATE] = { .property_name = "SampleRate", .type = "u", .get_cb = handle_get_sample_rate, .set_cb = NULL },
79 [PROPERTY_HANDLER_CHANNELS] = { .property_name = "Channels", .type = "au", .get_cb = handle_get_channels, .set_cb = NULL },
80 [PROPERTY_HANDLER_DEFAULT_VOLUME] = { .property_name = "DefaultVolume", .type = "au", .get_cb = handle_get_default_volume, .set_cb = NULL },
81 [PROPERTY_HANDLER_DURATION] = { .property_name = "Duration", .type = "t", .get_cb = handle_get_duration, .set_cb = NULL },
82 [PROPERTY_HANDLER_BYTES] = { .property_name = "Bytes", .type = "u", .get_cb = handle_get_bytes, .set_cb = NULL },
83 [PROPERTY_HANDLER_PROPERTY_LIST] = { .property_name = "PropertyList", .type = "a{say}", .get_cb = handle_get_property_list, .set_cb = NULL }
84 };
85
86 enum method_handler_index {
87 METHOD_HANDLER_PLAY,
88 METHOD_HANDLER_PLAY_TO_SINK,
89 METHOD_HANDLER_REMOVE,
90 METHOD_HANDLER_MAX
91 };
92
93 static pa_dbus_arg_info play_args[] = { { "volume", "u", "in" }, { "property_list", "a{say}", "in" } };
94 static pa_dbus_arg_info play_to_sink_args[] = { { "sink", "o", "in" },
95 { "volume", "u", "in" },
96 { "property_list", "a{say}", "in" } };
97
98 static pa_dbus_method_handler method_handlers[METHOD_HANDLER_MAX] = {
99 [METHOD_HANDLER_PLAY] = {
100 .method_name = "Play",
101 .arguments = play_args,
102 .n_arguments = sizeof(play_args) / sizeof(pa_dbus_arg_info),
103 .receive_cb = handle_play },
104 [METHOD_HANDLER_PLAY_TO_SINK] = {
105 .method_name = "PlayToSink",
106 .arguments = play_to_sink_args,
107 .n_arguments = sizeof(play_to_sink_args) / sizeof(pa_dbus_arg_info),
108 .receive_cb = handle_play_to_sink },
109 [METHOD_HANDLER_REMOVE] = {
110 .method_name = "Remove",
111 .arguments = NULL,
112 .n_arguments = 0,
113 .receive_cb = handle_remove }
114 };
115
116 enum signal_index {
117 SIGNAL_PROPERTY_LIST_UPDATED,
118 SIGNAL_MAX
119 };
120
121 static pa_dbus_arg_info property_list_updated_args[] = { { "property_list", "a{say}", NULL } };
122
123 static pa_dbus_signal_info signals[SIGNAL_MAX] = {
124 [SIGNAL_PROPERTY_LIST_UPDATED] = { .name = "PropertyListUpdated", .arguments = property_list_updated_args, .n_arguments = 1 }
125 };
126
127 static pa_dbus_interface_info sample_interface_info = {
128 .name = PA_DBUSIFACE_SAMPLE_INTERFACE,
129 .method_handlers = method_handlers,
130 .n_method_handlers = METHOD_HANDLER_MAX,
131 .property_handlers = property_handlers,
132 .n_property_handlers = PROPERTY_HANDLER_MAX,
133 .get_all_properties_cb = handle_get_all,
134 .signals = signals,
135 .n_signals = SIGNAL_MAX
136 };
137
handle_get_index(DBusConnection * conn,DBusMessage * msg,void * userdata)138 static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata) {
139 pa_dbusiface_sample *s = userdata;
140 dbus_uint32_t idx = 0;
141
142 pa_assert(conn);
143 pa_assert(msg);
144 pa_assert(s);
145
146 idx = s->sample->index;
147
148 pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &idx);
149 }
150
handle_get_name(DBusConnection * conn,DBusMessage * msg,void * userdata)151 static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
152 pa_dbusiface_sample *s = userdata;
153
154 pa_assert(conn);
155 pa_assert(msg);
156 pa_assert(s);
157
158 pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &s->sample->name);
159 }
160
handle_get_sample_format(DBusConnection * conn,DBusMessage * msg,void * userdata)161 static void handle_get_sample_format(DBusConnection *conn, DBusMessage *msg, void *userdata) {
162 pa_dbusiface_sample *s = userdata;
163 dbus_uint32_t sample_format = 0;
164
165 pa_assert(conn);
166 pa_assert(msg);
167 pa_assert(s);
168
169 if (!s->sample->memchunk.memblock) {
170 pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
171 "Sample %s isn't loaded into memory yet, so its sample format is unknown.", s->sample->name);
172 return;
173 }
174
175 sample_format = s->sample->sample_spec.format;
176
177 pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &sample_format);
178 }
179
handle_get_sample_rate(DBusConnection * conn,DBusMessage * msg,void * userdata)180 static void handle_get_sample_rate(DBusConnection *conn, DBusMessage *msg, void *userdata) {
181 pa_dbusiface_sample *s = userdata;
182 dbus_uint32_t sample_rate = 0;
183
184 pa_assert(conn);
185 pa_assert(msg);
186 pa_assert(s);
187
188 if (!s->sample->memchunk.memblock) {
189 pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
190 "Sample %s isn't loaded into memory yet, so its sample rate is unknown.", s->sample->name);
191 return;
192 }
193
194 sample_rate = s->sample->sample_spec.rate;
195
196 pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &sample_rate);
197 }
198
handle_get_channels(DBusConnection * conn,DBusMessage * msg,void * userdata)199 static void handle_get_channels(DBusConnection *conn, DBusMessage *msg, void *userdata) {
200 pa_dbusiface_sample *s = userdata;
201 dbus_uint32_t channels[PA_CHANNELS_MAX];
202 unsigned i = 0;
203
204 pa_assert(conn);
205 pa_assert(msg);
206 pa_assert(s);
207
208 if (!s->sample->memchunk.memblock) {
209 pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
210 "Sample %s isn't loaded into memory yet, so its channel map is unknown.", s->sample->name);
211 return;
212 }
213
214 for (i = 0; i < s->sample->channel_map.channels; ++i)
215 channels[i] = s->sample->channel_map.map[i];
216
217 pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_UINT32, channels, s->sample->channel_map.channels);
218 }
219
handle_get_default_volume(DBusConnection * conn,DBusMessage * msg,void * userdata)220 static void handle_get_default_volume(DBusConnection *conn, DBusMessage *msg, void *userdata) {
221 pa_dbusiface_sample *s = userdata;
222 dbus_uint32_t default_volume[PA_CHANNELS_MAX];
223 unsigned i = 0;
224
225 pa_assert(conn);
226 pa_assert(msg);
227 pa_assert(s);
228
229 if (!s->sample->volume_is_set) {
230 pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
231 "Sample %s doesn't have default volume stored.", s->sample->name);
232 return;
233 }
234
235 for (i = 0; i < s->sample->volume.channels; ++i)
236 default_volume[i] = s->sample->volume.values[i];
237
238 pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_UINT32, default_volume, s->sample->volume.channels);
239 }
240
handle_get_duration(DBusConnection * conn,DBusMessage * msg,void * userdata)241 static void handle_get_duration(DBusConnection *conn, DBusMessage *msg, void *userdata) {
242 pa_dbusiface_sample *s = userdata;
243 dbus_uint64_t duration = 0;
244
245 pa_assert(conn);
246 pa_assert(msg);
247 pa_assert(s);
248
249 if (!s->sample->memchunk.memblock) {
250 pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
251 "Sample %s isn't loaded into memory yet, so its duration is unknown.", s->sample->name);
252 return;
253 }
254
255 duration = pa_bytes_to_usec(s->sample->memchunk.length, &s->sample->sample_spec);
256
257 pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT64, &duration);
258 }
259
handle_get_bytes(DBusConnection * conn,DBusMessage * msg,void * userdata)260 static void handle_get_bytes(DBusConnection *conn, DBusMessage *msg, void *userdata) {
261 pa_dbusiface_sample *s = userdata;
262 dbus_uint32_t bytes = 0;
263
264 pa_assert(conn);
265 pa_assert(msg);
266 pa_assert(s);
267
268 if (!s->sample->memchunk.memblock) {
269 pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
270 "Sample %s isn't loaded into memory yet, so its size is unknown.", s->sample->name);
271 return;
272 }
273
274 bytes = s->sample->memchunk.length;
275
276 pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &bytes);
277 }
278
handle_get_property_list(DBusConnection * conn,DBusMessage * msg,void * userdata)279 static void handle_get_property_list(DBusConnection *conn, DBusMessage *msg, void *userdata) {
280 pa_dbusiface_sample *s = userdata;
281
282 pa_assert(conn);
283 pa_assert(msg);
284 pa_assert(s);
285
286 pa_dbus_send_proplist_variant_reply(conn, msg, s->proplist);
287 }
288
handle_get_all(DBusConnection * conn,DBusMessage * msg,void * userdata)289 static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
290 pa_dbusiface_sample *s = userdata;
291 DBusMessage *reply = NULL;
292 DBusMessageIter msg_iter;
293 DBusMessageIter dict_iter;
294 dbus_uint32_t idx = 0;
295 dbus_uint32_t sample_format = 0;
296 dbus_uint32_t sample_rate = 0;
297 dbus_uint32_t channels[PA_CHANNELS_MAX];
298 dbus_uint32_t default_volume[PA_CHANNELS_MAX];
299 dbus_uint64_t duration = 0;
300 dbus_uint32_t bytes = 0;
301 unsigned i = 0;
302
303 pa_assert(conn);
304 pa_assert(msg);
305 pa_assert(s);
306
307 idx = s->sample->index;
308 if (s->sample->memchunk.memblock) {
309 sample_format = s->sample->sample_spec.format;
310 sample_rate = s->sample->sample_spec.rate;
311 for (i = 0; i < s->sample->channel_map.channels; ++i)
312 channels[i] = s->sample->channel_map.map[i];
313 duration = pa_bytes_to_usec(s->sample->memchunk.length, &s->sample->sample_spec);
314 bytes = s->sample->memchunk.length;
315 }
316 if (s->sample->volume_is_set) {
317 for (i = 0; i < s->sample->volume.channels; ++i)
318 default_volume[i] = s->sample->volume.values[i];
319 }
320
321 pa_assert_se((reply = dbus_message_new_method_return(msg)));
322
323 dbus_message_iter_init_append(reply, &msg_iter);
324 pa_assert_se(dbus_message_iter_open_container(&msg_iter, DBUS_TYPE_ARRAY, "{sv}", &dict_iter));
325
326 pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_INDEX].property_name, DBUS_TYPE_UINT32, &idx);
327 pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_NAME].property_name, DBUS_TYPE_STRING, &s->sample->name);
328
329 if (s->sample->memchunk.memblock) {
330 pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SAMPLE_FORMAT].property_name, DBUS_TYPE_UINT32, &sample_format);
331 pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SAMPLE_RATE].property_name, DBUS_TYPE_UINT32, &sample_rate);
332 pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_CHANNELS].property_name, DBUS_TYPE_UINT32, channels, s->sample->channel_map.channels);
333 }
334
335 if (s->sample->volume_is_set)
336 pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_DEFAULT_VOLUME].property_name, DBUS_TYPE_UINT32, default_volume, s->sample->volume.channels);
337
338 if (s->sample->memchunk.memblock) {
339 pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_DURATION].property_name, DBUS_TYPE_UINT64, &duration);
340 pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_BYTES].property_name, DBUS_TYPE_UINT32, &bytes);
341 }
342
343 pa_dbus_append_proplist_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PROPERTY_LIST].property_name, s->proplist);
344
345 pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
346 pa_assert_se(dbus_connection_send(conn, reply, NULL));
347 dbus_message_unref(reply);
348 }
349
handle_play(DBusConnection * conn,DBusMessage * msg,void * userdata)350 static void handle_play(DBusConnection *conn, DBusMessage *msg, void *userdata) {
351 pa_dbusiface_sample *s = userdata;
352 DBusMessageIter msg_iter;
353 dbus_uint32_t volume = 0;
354 pa_proplist *property_list = NULL;
355
356 pa_assert(conn);
357 pa_assert(msg);
358 pa_assert(s);
359
360 pa_assert_se(dbus_message_iter_init(msg, &msg_iter));
361 dbus_message_iter_get_basic(&msg_iter, &volume);
362
363 pa_assert_se(dbus_message_iter_next(&msg_iter));
364 if (!(property_list = pa_dbus_get_proplist_arg(conn, msg, &msg_iter)))
365 return;
366
367 if (!PA_VOLUME_IS_VALID(volume)) {
368 pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid volume.");
369 goto finish;
370 }
371
372 if (!s->sample->core->default_sink) {
373 pa_dbus_send_error(conn, msg, DBUS_ERROR_FAILED,
374 "Can't play sample %s, because there are no sinks available.", s->sample->name);
375 goto finish;
376 }
377
378 if (pa_scache_play_item(s->sample->core,
379 s->sample->name,
380 s->sample->core->default_sink,
381 volume,
382 property_list,
383 NULL) < 0) {
384 pa_dbus_send_error(conn, msg, DBUS_ERROR_FAILED, "Playing sample %s failed.", s->sample->name);
385 goto finish;
386 }
387
388 pa_dbus_send_empty_reply(conn, msg);
389
390 finish:
391 if (property_list)
392 pa_proplist_free(property_list);
393 }
394
handle_play_to_sink(DBusConnection * conn,DBusMessage * msg,void * userdata)395 static void handle_play_to_sink(DBusConnection *conn, DBusMessage *msg, void *userdata) {
396 pa_dbusiface_sample *s = userdata;
397 DBusMessageIter msg_iter;
398 const char *sink_path = NULL;
399 dbus_uint32_t volume = 0;
400 pa_proplist *property_list = NULL;
401 pa_sink *sink = NULL;
402
403 pa_assert(conn);
404 pa_assert(msg);
405 pa_assert(s);
406
407 pa_assert_se(dbus_message_iter_init(msg, &msg_iter));
408 dbus_message_iter_get_basic(&msg_iter, &sink_path);
409
410 pa_assert_se(dbus_message_iter_next(&msg_iter));
411 dbus_message_iter_get_basic(&msg_iter, &volume);
412
413 pa_assert_se(dbus_message_iter_next(&msg_iter));
414 if (!(property_list = pa_dbus_get_proplist_arg(conn, msg, &msg_iter)))
415 return;
416
417 if (!(sink = pa_dbusiface_core_get_sink(s->core, sink_path))) {
418 pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "%s: No such sink.", sink_path);
419 goto finish;
420 }
421
422 if (!PA_VOLUME_IS_VALID(volume)) {
423 pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid volume.");
424 goto finish;
425 }
426
427 if (pa_scache_play_item(s->sample->core, s->sample->name, sink, volume, property_list, NULL) < 0) {
428 pa_dbus_send_error(conn, msg, DBUS_ERROR_FAILED, "Playing sample %s failed.", s->sample->name);
429 goto finish;
430 }
431
432 pa_dbus_send_empty_reply(conn, msg);
433
434 finish:
435 if (property_list)
436 pa_proplist_free(property_list);
437 }
438
handle_remove(DBusConnection * conn,DBusMessage * msg,void * userdata)439 static void handle_remove(DBusConnection *conn, DBusMessage *msg, void *userdata) {
440 pa_dbusiface_sample *s = userdata;
441
442 pa_assert(conn);
443 pa_assert(msg);
444 pa_assert(s);
445
446 if (pa_scache_remove_item(s->sample->core, s->sample->name) < 0) {
447 pa_dbus_send_error(conn, msg, DBUS_ERROR_FAILED, "Removing sample %s failed.", s->sample->name);
448 return;
449 }
450
451 pa_dbus_send_empty_reply(conn, msg);
452 }
453
sample_cache_changed_cb(void * hook_data,void * call_data,void * slot_data)454 static pa_hook_result_t sample_cache_changed_cb(void *hook_data, void *call_data, void *slot_data) {
455 pa_dbusiface_sample *sample_iface = slot_data;
456 pa_scache_entry *sample = call_data;
457 DBusMessage *signal_msg;
458
459 pa_assert(sample);
460 pa_assert(sample_iface);
461
462 if (sample_iface->sample != sample)
463 return PA_HOOK_OK;
464
465 if (!pa_proplist_equal(sample_iface->proplist, sample_iface->sample->proplist)) {
466 DBusMessageIter msg_iter;
467
468 pa_proplist_update(sample_iface->proplist, PA_UPDATE_SET, sample_iface->sample->proplist);
469
470 pa_assert_se(signal_msg = dbus_message_new_signal(sample_iface->path,
471 PA_DBUSIFACE_SAMPLE_INTERFACE,
472 signals[SIGNAL_PROPERTY_LIST_UPDATED].name));
473 dbus_message_iter_init_append(signal_msg, &msg_iter);
474 pa_dbus_append_proplist(&msg_iter, sample_iface->proplist);
475
476 pa_dbus_protocol_send_signal(sample_iface->dbus_protocol, signal_msg);
477 dbus_message_unref(signal_msg);
478 }
479
480 return PA_HOOK_OK;
481 }
482
pa_dbusiface_sample_new(pa_dbusiface_core * core,pa_scache_entry * sample)483 pa_dbusiface_sample *pa_dbusiface_sample_new(pa_dbusiface_core *core, pa_scache_entry *sample) {
484 pa_dbusiface_sample *s = NULL;
485
486 pa_assert(core);
487 pa_assert(sample);
488
489 s = pa_xnew0(pa_dbusiface_sample, 1);
490 s->core = core;
491 s->sample = sample;
492 s->path = pa_sprintf_malloc("%s/%s%u", PA_DBUS_CORE_OBJECT_PATH, OBJECT_NAME, sample->index);
493 s->proplist = pa_proplist_copy(sample->proplist);
494 s->dbus_protocol = pa_dbus_protocol_get(sample->core);
495 s->sample_cache_changed_slot = pa_hook_connect(&sample->core->hooks[PA_CORE_HOOK_SAMPLE_CACHE_CHANGED],
496 PA_HOOK_NORMAL, sample_cache_changed_cb, s);
497
498 pa_assert_se(pa_dbus_protocol_add_interface(s->dbus_protocol, s->path, &sample_interface_info, s) >= 0);
499
500 return s;
501 }
502
pa_dbusiface_sample_free(pa_dbusiface_sample * s)503 void pa_dbusiface_sample_free(pa_dbusiface_sample *s) {
504 pa_assert(s);
505
506 pa_assert_se(pa_dbus_protocol_remove_interface(s->dbus_protocol, s->path, sample_interface_info.name) >= 0);
507
508 pa_hook_slot_free(s->sample_cache_changed_slot);
509 pa_proplist_free(s->proplist);
510 pa_dbus_protocol_unref(s->dbus_protocol);
511
512 pa_xfree(s->path);
513 pa_xfree(s);
514 }
515
pa_dbusiface_sample_get_path(pa_dbusiface_sample * s)516 const char *pa_dbusiface_sample_get_path(pa_dbusiface_sample *s) {
517 pa_assert(s);
518
519 return s->path;
520 }
521