| 1 | /*** |
| 2 | This file is part of PulseAudio. |
| 3 | |
| 4 | Copyright 2004-2008 Lennart Poettering |
| 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 <stdlib.h> |
| 25 | #include <stdio.h> |
| 26 | #include <errno.h> |
| 27 | #include <unistd.h> |
| 28 | |
| 29 | #include <pulse/rtclock.h> |
| 30 | #include <pulse/timeval.h> |
| 31 | #include <pulse/xmalloc.h> |
| 32 | |
| 33 | #include <pulsecore/i18n.h> |
| 34 | #include <pulsecore/macro.h> |
| 35 | #include <pulsecore/sink.h> |
| 36 | #include <pulsecore/module.h> |
| 37 | #include <pulsecore/core-util.h> |
| 38 | #include <pulsecore/modargs.h> |
| 39 | #include <pulsecore/log.h> |
| 40 | #include <pulsecore/thread.h> |
| 41 | #include <pulsecore/thread-mq.h> |
| 42 | #include <pulsecore/rtpoll.h> |
| 43 | |
| 44 | #include <SLES/OpenSLES.h> |
| 45 | |
| 46 | #include "module-sles-sink-symdef.h" |
| 47 | |
| 48 | //Only certain interfaces are supported by the fast mixer. These are: |
| 49 | //SL_IID_ANDROIDSIMPLEBUFFERQUEUE |
| 50 | //SL_IID_VOLUME |
| 51 | //SL_IID_MUTESOLO |
| 52 | #define USE_ANDROID_SIMPLE_BUFFER_QUEUE |
| 53 | |
| 54 | #ifdef USE_ANDROID_SIMPLE_BUFFER_QUEUE |
| 55 | #include <SLES/OpenSLES_Android.h> |
| 56 | #define DATALOCATOR_BUFFERQUEUE SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE |
| 57 | #define IID_BUFFERQUEUE SL_IID_ANDROIDSIMPLEBUFFERQUEUE |
| 58 | #define BufferQueueItf SLAndroidSimpleBufferQueueItf |
| 59 | #define BufferQueueState SLAndroidSimpleBufferQueueState |
| 60 | #define IID_BUFFERQUEUE_USED SL_IID_ANDROIDSIMPLEBUFFERQUEUE |
| 61 | #define INDEX index |
| 62 | #else |
| 63 | #define DATALOCATOR_BUFFERQUEUE SL_DATALOCATOR_BUFFERQUEUE |
| 64 | #define IID_BUFFERQUEUE SL_IID_BUFFERQUEUE |
| 65 | #define BufferQueueItf SLBufferQueueItf |
| 66 | #define BufferQueueState SLBufferQueueState |
| 67 | #define IID_BUFFERQUEUE_USED IID_BUFFERQUEUE |
| 68 | #define INDEX playIndex |
| 69 | #endif |
| 70 | |
| 71 | #define checkResult(r) do { \ |
| 72 | if ((r) != SL_RESULT_SUCCESS) { \ |
| 73 | if ((r) == SL_RESULT_PARAMETER_INVALID) fprintf(stderr, "error SL_RESULT_PARAMETER_INVALID at %s:%d\n", __FILE__, __LINE__); \ |
| 74 | else if ((r) == SL_RESULT_PRECONDITIONS_VIOLATED ) fprintf(stderr, "error SL_RESULT_PRECONDITIONS_VIOLATED at %s:%d\n", __FILE__, __LINE__); \ |
| 75 | else fprintf(stderr, "error %d at %s:%d\n", (int) r, __FILE__, __LINE__); \ |
| 76 | } \ |
| 77 | } while (0) |
| 78 | |
| 79 | PA_MODULE_AUTHOR("Lennart Poettering, Nathan Martynov"); |
| 80 | PA_MODULE_DESCRIPTION("Android OpenSL ES sink"); |
| 81 | PA_MODULE_VERSION(PACKAGE_VERSION); |
| 82 | PA_MODULE_LOAD_ONCE(false); |
| 83 | PA_MODULE_USAGE( |
| 84 | "sink_name=<name for the sink> " |
| 85 | "sink_properties=<properties for the sink> " |
| 86 | "rate=<sampling rate> "); |
| 87 | |
| 88 | #define DEFAULT_SINK_NAME "OpenSL ES sink" |
| 89 | #define BLOCK_USEC (PA_USEC_PER_SEC * 2) |
| 90 | |
| 91 | typedef struct pa_memblock_queue_t { |
| 92 | pa_memblock *memblock; |
| 93 | struct pa_memblock_queue_t* next; |
| 94 | } pa_memblock_queue; |
| 95 | |
| 96 | struct userdata { |
| 97 | pa_core *core; |
| 98 | pa_module *module; |
| 99 | pa_sink *sink; |
| 100 | |
| 101 | pa_thread *thread; |
| 102 | pa_thread_mq thread_mq; |
| 103 | pa_rtpoll *rtpoll; |
| 104 | |
| 105 | pa_usec_t block_usec; |
| 106 | pa_usec_t timestamp; |
| 107 | |
| 108 | pa_memchunk memchunk; |
| 109 | |
| 110 | SLObjectItf engineObject; |
| 111 | SLEngineItf engineEngine; |
| 112 | |
| 113 | // output mix interfaces |
| 114 | SLObjectItf outputMixObject; |
| 115 | |
| 116 | // buffer queue player interfaces |
| 117 | SLObjectItf bqPlayerObject; |
| 118 | SLPlayItf bqPlayerPlay; |
| 119 | BufferQueueItf bqPlayerBufferQueue; |
| 120 | |
| 121 | pa_memblock_queue* current; |
| 122 | pa_memblock_queue* last; |
| 123 | }; |
| 124 | |
| 125 | static const char* const valid_modargs[] = { |
| 126 | "sink_name", |
| 127 | "sink_properties", |
| 128 | "rate", |
| 129 | NULL |
| 130 | }; |
| 131 | |
| 132 | static int sink_process_msg( |
| 133 | pa_msgobject *o, |
| 134 | int code, |
| 135 | void *data, |
| 136 | int64_t offset, |
| 137 | pa_memchunk *chunk) { |
| 138 | |
| 139 | struct userdata *u = PA_SINK(o)->userdata; |
| 140 | |
| 141 | switch (code) { |
| 142 | case PA_SINK_MESSAGE_SET_STATE: |
| 143 | |
| 144 | if (pa_sink_get_state(u->sink) == PA_SINK_SUSPENDED || pa_sink_get_state(u->sink) == PA_SINK_INIT) { |
| 145 | if (PA_PTR_TO_UINT(data) == PA_SINK_RUNNING || PA_PTR_TO_UINT(data) == PA_SINK_IDLE) |
| 146 | u->timestamp = pa_rtclock_now(); |
| 147 | } |
| 148 | |
| 149 | break; |
| 150 | |
| 151 | case PA_SINK_MESSAGE_GET_LATENCY: { |
| 152 | pa_usec_t now; |
| 153 | |
| 154 | now = pa_rtclock_now(); |
| 155 | *((pa_usec_t*) data) = u->timestamp > now ? u->timestamp - now : 0ULL; |
| 156 | |
| 157 | return 0; |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | return pa_sink_process_msg(o, code, data, offset, chunk); |
| 162 | } |
| 163 | |
| 164 | static void sink_update_requested_latency_cb(pa_sink *s) { |
| 165 | struct userdata *u; |
| 166 | size_t nbytes; |
| 167 | |
| 168 | pa_sink_assert_ref(s); |
| 169 | pa_assert_se(u = s->userdata); |
| 170 | |
| 171 | u->block_usec = pa_sink_get_requested_latency_within_thread(s); |
| 172 | |
| 173 | if (u->block_usec == (pa_usec_t) -1) |
| 174 | u->block_usec = s->thread_info.max_latency; |
| 175 | |
| 176 | nbytes = pa_usec_to_bytes(u->block_usec, &s->sample_spec); |
| 177 | pa_sink_set_max_rewind_within_thread(s, nbytes); |
| 178 | pa_sink_set_max_request_within_thread(s, nbytes); |
| 179 | } |
| 180 | |
| 181 | static void pa_sles_callback(BufferQueueItf bq, void *context){ |
| 182 | struct userdata* s = (struct userdata*) context; |
| 183 | pa_memblock_queue* next; |
| 184 | if (s->current != NULL){ |
| 185 | if (s->current->memblock != NULL) pa_memblock_unref(s->current->memblock); |
| 186 | next = s->current->next; |
| 187 | free(s->current); |
| 188 | s->current = next; |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | static int pa_init_sles_player(struct userdata *s, SLint32 sl_rate) |
| 193 | { |
| 194 | if (s == NULL) return -1; |
| 195 | SLresult result; |
| 196 | |
| 197 | // create engine |
| 198 | result = slCreateEngine(&(s->engineObject), 0, NULL, 0, NULL, NULL); checkResult(result); |
| 199 | result = (*s->engineObject)->Realize(s->engineObject, SL_BOOLEAN_FALSE); checkResult(result); |
| 200 | |
| 201 | result = (*s->engineObject)->GetInterface(s->engineObject, SL_IID_ENGINE, &(s->engineEngine)); checkResult(result); |
| 202 | |
| 203 | // create output mix |
| 204 | result = (*s->engineEngine)->CreateOutputMix(s->engineEngine, &(s->outputMixObject), 0, NULL, NULL); checkResult(result); |
| 205 | result = (*s->outputMixObject)->Realize(s->outputMixObject, SL_BOOLEAN_FALSE); checkResult(result); |
| 206 | |
| 207 | // create audio player |
| 208 | |
| 209 | SLDataLocator_OutputMix locator_outputmix; |
| 210 | locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX; |
| 211 | locator_outputmix.outputMix = s->outputMixObject; |
| 212 | |
| 213 | SLDataLocator_BufferQueue locator_bufferqueue; |
| 214 | locator_bufferqueue.locatorType = DATALOCATOR_BUFFERQUEUE; |
| 215 | locator_bufferqueue.numBuffers = 50; |
| 216 | |
| 217 | if (sl_rate < SL_SAMPLINGRATE_8 || sl_rate > SL_SAMPLINGRATE_192) { |
| 218 | pa_log("Incompatible sample rate"); |
| 219 | return -1; |
| 220 | } |
| 221 | |
| 222 | SLDataFormat_PCM pcm; |
| 223 | pcm.formatType = SL_DATAFORMAT_PCM; |
| 224 | pcm.numChannels = 2; |
| 225 | pcm.samplesPerSec = sl_rate; |
| 226 | pcm.bitsPerSample = SL_PCMSAMPLEFORMAT_FIXED_16; |
| 227 | pcm.containerSize = 16; |
| 228 | pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT; |
| 229 | pcm.endianness = SL_BYTEORDER_LITTLEENDIAN; |
| 230 | |
| 231 | SLDataSource audiosrc; |
| 232 | audiosrc.pLocator = &locator_bufferqueue; |
| 233 | audiosrc.pFormat = &pcm; |
| 234 | |
| 235 | SLDataSink audiosnk; |
| 236 | audiosnk.pLocator = &locator_outputmix; |
| 237 | audiosnk.pFormat = NULL; |
| 238 | |
| 239 | SLInterfaceID ids[1] = {IID_BUFFERQUEUE}; |
| 240 | SLboolean flags[1] = {SL_BOOLEAN_TRUE}; |
| 241 | result = (*s->engineEngine)->CreateAudioPlayer(s->engineEngine, &s->bqPlayerObject, &audiosrc, &audiosnk, 1, ids, flags); checkResult(result); |
| 242 | result = (*s->bqPlayerObject)->Realize(s->bqPlayerObject, SL_BOOLEAN_FALSE); checkResult(result); |
| 243 | |
| 244 | result = (*s->bqPlayerObject)->GetInterface(s->bqPlayerObject, SL_IID_PLAY, &s->bqPlayerPlay); checkResult(result); |
| 245 | result = (*s->bqPlayerObject)->GetInterface(s->bqPlayerObject, IID_BUFFERQUEUE_USED, &s->bqPlayerBufferQueue); checkResult(result); |
| 246 | |
| 247 | result = (*s->bqPlayerBufferQueue)->RegisterCallback(s->bqPlayerBufferQueue, pa_sles_callback, s); checkResult(result); |
| 248 | |
| 249 | result = (*s->bqPlayerPlay)->SetPlayState(s->bqPlayerPlay, SL_PLAYSTATE_PLAYING); checkResult(result); |
| 250 | |
| 251 | return 0; |
| 252 | } |
| 253 | |
| 254 | static void pa_destroy_sles_player(struct userdata *s){ |
| 255 | if (s == NULL) return; |
| 256 | (*s->bqPlayerPlay)->SetPlayState(s->bqPlayerPlay, SL_PLAYSTATE_STOPPED); |
| 257 | (*s->bqPlayerObject)->Destroy(s->bqPlayerObject); |
| 258 | (*s->outputMixObject)->Destroy(s->outputMixObject); |
| 259 | (*s->engineObject)->Destroy(s->engineObject); |
| 260 | } |
| 261 | |
| 262 | static void process_render(struct userdata *u, pa_usec_t now) { |
| 263 | pa_memblock_queue* current_block; |
| 264 | size_t ate = 0; |
| 265 | |
| 266 | pa_assert(u); |
| 267 | |
| 268 | /* This is the configured latency. Sink inputs connected to us |
| 269 | might not have a single frame more than the maxrequest value |
| 270 | queued. Hence: at maximum read this many bytes from the sink |
| 271 | inputs. */ |
| 272 | |
| 273 | /* Fill the buffer up the latency size */ |
| 274 | while (u->timestamp < now + u->block_usec) { |
| 275 | void *p; |
| 276 | |
| 277 | pa_sink_render(u->sink, u->sink->thread_info.max_request, &u->memchunk); |
| 278 | p = pa_memblock_acquire(u->memchunk.memblock); |
| 279 | (*u->bqPlayerBufferQueue)->Enqueue(u->bqPlayerBufferQueue, (uint8_t*) p + u->memchunk.index, u->memchunk.length); |
| 280 | pa_memblock_release(u->memchunk.memblock); |
| 281 | |
| 282 | u->timestamp += pa_bytes_to_usec(u->memchunk.length, &u->sink->sample_spec); |
| 283 | ate += u->memchunk.length; |
| 284 | |
| 285 | current_block = malloc(sizeof(pa_memblock_queue)); |
| 286 | memset(current_block, 0, sizeof(pa_memblock_queue)); |
| 287 | |
| 288 | current_block->memblock = u->memchunk.memblock; |
| 289 | if (u->current == NULL) { u->current = current_block; } |
| 290 | if (u->last == NULL) { u->last = current_block; } |
| 291 | else { |
| 292 | u->last->next = current_block; |
| 293 | u->last = current_block; |
| 294 | } |
| 295 | |
| 296 | //pa_memblock_unref(u->memchunk.memblock); |
| 297 | pa_memchunk_reset(&u->memchunk); |
| 298 | if (ate >= u->sink->thread_info.max_request) break; |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | static void thread_func(void *userdata) { |
| 303 | struct userdata *u = userdata; |
| 304 | |
| 305 | pa_assert(u); |
| 306 | |
| 307 | pa_log_debug("Thread starting up"); |
| 308 | |
| 309 | pa_thread_mq_install(&u->thread_mq); |
| 310 | |
| 311 | u->timestamp = pa_rtclock_now(); |
| 312 | |
| 313 | for (;;) { |
| 314 | pa_usec_t now = 0; |
| 315 | int ret; |
| 316 | |
| 317 | if (PA_SINK_IS_OPENED(u->sink->thread_info.state)) |
| 318 | now = pa_rtclock_now(); |
| 319 | |
| 320 | if (PA_UNLIKELY(u->sink->thread_info.rewind_requested)) |
| 321 | pa_sink_process_rewind(u->sink, 0); |
| 322 | |
| 323 | /* Render some data and drop it immediately */ |
| 324 | if (PA_SINK_IS_OPENED(u->sink->thread_info.state)) { |
| 325 | if (u->timestamp <= now) |
| 326 | process_render(u, now); |
| 327 | |
| 328 | pa_rtpoll_set_timer_absolute(u->rtpoll, u->timestamp); |
| 329 | } else |
| 330 | pa_rtpoll_set_timer_disabled(u->rtpoll); |
| 331 | |
| 332 | /* Hmm, nothing to do. Let's sleep */ |
| 333 | if ((ret = pa_rtpoll_run(u->rtpoll)) < 0) |
| 334 | goto fail; |
| 335 | |
| 336 | if (ret == 0) |
| 337 | goto finish; |
| 338 | } |
| 339 | |
| 340 | fail: |
| 341 | /* If this was no regular exit from the loop we have to continue |
| 342 | * processing messages until we received PA_MESSAGE_SHUTDOWN */ |
| 343 | pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL); |
| 344 | pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN); |
| 345 | |
| 346 | finish: |
| 347 | pa_log_debug("Thread shutting down"); |
| 348 | } |
| 349 | |
| 350 | static int getenv_int(const char * env, size_t min_len){ |
| 351 | char * got_env = getenv(env); |
| 352 | int ret = 0; |
| 353 | if (got_env != NULL && strlen(got_env) >= min_len) ret = atoi(got_env); //"8000" is 4 symbols |
| 354 | return ret; |
| 355 | } |
| 356 | |
| 357 | int pa__init(pa_module*m) { |
| 358 | struct userdata *u = NULL; |
| 359 | pa_sample_spec ss; |
| 360 | pa_channel_map map; |
| 361 | pa_modargs *ma = NULL; |
| 362 | pa_sink_new_data data; |
| 363 | size_t nbytes; |
| 364 | |
| 365 | pa_assert(m); |
| 366 | |
| 367 | if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { |
| 368 | pa_log("Failed to parse module arguments."); |
| 369 | goto fail; |
| 370 | } |
| 371 | |
| 372 | // High rate causes glitches on some devices, this is needed to prevent it |
| 373 | //ss.rate = 32000; |
| 374 | //ss.channels = 2; |
| 375 | //ss.format = PA_SAMPLE_S16LE; |
| 376 | |
| 377 | //OK. That will allow users to define sampling rate under his responsibility |
| 378 | ss = m->core->default_sample_spec; |
| 379 | map = m->core->default_channel_map; |
| 380 | if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) { |
| 381 | pa_log("Invalid sample format specification or channel map"); |
| 382 | goto fail; |
| 383 | } |
| 384 | |
| 385 | //Needed. Don't touch |
| 386 | ss.channels = 2; |
| 387 | ss.format = PA_SAMPLE_S16LE; |
| 388 | |
| 389 | m->userdata = u = pa_xnew0(struct userdata, 1); |
| 390 | |
| 391 | int forceFormat = getenv_int("PROPERTY_OUTPUT_SAMPLE_RATE", 4); //"8000" is 4 symbols |
| 392 | if (forceFormat >= 8000 && forceFormat <= 192000) { |
| 393 | ss.rate = forceFormat; |
| 394 | pa_log_info("Sample rate was forced to be %u\n", ss.rate); |
| 395 | } |
| 396 | |
| 397 | u->core = m->core; |
| 398 | u->module = m; |
| 399 | u->rtpoll = pa_rtpoll_new(); |
| 400 | pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll); |
| 401 | |
| 402 | //Pulseaudio uses samples per sec but OpenSL ES uses samples per ms |
| 403 | if (pa_init_sles_player(u, ss.rate * 1000) < 0) |
| 404 | goto fail; |
| 405 | //int buff[2] = {0, 0}; |
| 406 | //(*u->bqPlayerBufferQueue)->Enqueue(u->bqPlayerBufferQueue, buff, 1); |
| 407 | |
| 408 | pa_sink_new_data_init(&data); |
| 409 | data.driver = __FILE__; |
| 410 | data.module = m; |
| 411 | pa_sink_new_data_set_name(&data, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME)); |
| 412 | pa_sink_new_data_set_sample_spec(&data, &ss); |
| 413 | pa_sink_new_data_set_channel_map(&data, &map); |
| 414 | pa_proplist_sets(data.proplist, PA_PROP_DEVICE_DESCRIPTION, _("OpenSL ES Output")); |
| 415 | pa_proplist_sets(data.proplist, PA_PROP_DEVICE_CLASS, "abstract"); |
| 416 | |
| 417 | if (pa_modargs_get_proplist(ma, "sink_properties", data.proplist, PA_UPDATE_REPLACE) < 0) { |
| 418 | pa_log("Invalid properties"); |
| 419 | pa_sink_new_data_done(&data); |
| 420 | goto fail; |
| 421 | } |
| 422 | |
| 423 | u->sink = pa_sink_new(m->core, &data, PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY); |
| 424 | pa_sink_new_data_done(&data); |
| 425 | |
| 426 | if (!u->sink) { |
| 427 | pa_log("Failed to create sink object."); |
| 428 | goto fail; |
| 429 | } |
| 430 | |
| 431 | u->sink->parent.process_msg = sink_process_msg; |
| 432 | u->sink->update_requested_latency = sink_update_requested_latency_cb; |
| 433 | u->sink->userdata = u; |
| 434 | |
| 435 | pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq); |
| 436 | pa_sink_set_rtpoll(u->sink, u->rtpoll); |
| 437 | |
| 438 | u->block_usec = BLOCK_USEC; |
| 439 | nbytes = pa_usec_to_bytes(u->block_usec, &u->sink->sample_spec); |
| 440 | pa_sink_set_max_rewind(u->sink, nbytes); |
| 441 | pa_sink_set_max_request(u->sink, nbytes); |
| 442 | |
| 443 | if (!(u->thread = pa_thread_new("sles-sink", thread_func, u))) { |
| 444 | pa_log("Failed to create thread."); |
| 445 | goto fail; |
| 446 | } |
| 447 | |
| 448 | pa_sink_set_latency_range(u->sink, 0, BLOCK_USEC); |
| 449 | |
| 450 | pa_sink_put(u->sink); |
| 451 | |
| 452 | pa_modargs_free(ma); |
| 453 | |
| 454 | return 0; |
| 455 | |
| 456 | fail: |
| 457 | if (ma) |
| 458 | pa_modargs_free(ma); |
| 459 | |
| 460 | pa__done(m); |
| 461 | |
| 462 | return -1; |
| 463 | } |
| 464 | |
| 465 | int pa__get_n_used(pa_module *m) { |
| 466 | struct userdata *u; |
| 467 | |
| 468 | pa_assert(m); |
| 469 | pa_assert_se(u = m->userdata); |
| 470 | |
| 471 | return pa_sink_linked_by(u->sink); |
| 472 | } |
| 473 | |
| 474 | void pa__done(pa_module*m) { |
| 475 | struct userdata *u; |
| 476 | |
| 477 | pa_assert(m); |
| 478 | |
| 479 | if (!(u = m->userdata)) |
| 480 | return; |
| 481 | |
| 482 | if (u->sink) |
| 483 | pa_sink_unlink(u->sink); |
| 484 | |
| 485 | if (u->thread) { |
| 486 | pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL); |
| 487 | pa_thread_free(u->thread); |
| 488 | } |
| 489 | |
| 490 | if (u->engineObject){ |
| 491 | pa_destroy_sles_player(u); |
| 492 | } |
| 493 | |
| 494 | pa_thread_mq_done(&u->thread_mq); |
| 495 | |
| 496 | if (u->sink) |
| 497 | pa_sink_unref(u->sink); |
| 498 | |
| 499 | if (u->rtpoll) |
| 500 | pa_rtpoll_free(u->rtpoll); |
| 501 | |
| 502 | pa_xfree(u); |
| 503 | } |