2 git st* Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include "CAudioIODef.h"
26 #include <dpm/restriction.h>
30 using namespace tizen_media_audio;
34 * class CPulseAudioClient
36 const char* CPulseAudioClient::CLIENT_NAME = "AUDIO_IO_PA_CLIENT";
37 static constexpr unsigned int drain_wait_interval = 10000;
38 static constexpr unsigned int drain_wait_max_count = 30;
40 CPulseAudioClient::CPulseAudioClient(
41 EStreamDirection direction,
42 CPulseStreamSpec& spec,
43 IPulseStreamListener* listener) :
44 __mDirection(direction),
46 __mpListener(listener),
47 __mpMainloop(nullptr),
50 __mpPropList(nullptr),
52 __mIsOperationSuccess(false),
53 __mpSyncReadDataPtr(nullptr),
56 __mIsUsedSyncRead(false),
57 __mIsFirstStream(false),
62 CPulseAudioClient::~CPulseAudioClient() {
66 void CPulseAudioClient::__contextStateChangeCb(pa_context* c, void* user_data) {
67 auto pClient = static_cast<CPulseAudioClient*>(user_data);
71 switch (pa_context_get_state(c)) {
72 case PA_CONTEXT_READY:
73 AUDIO_IO_LOGD("The context is ready");
74 pa_threaded_mainloop_signal(pClient->__mpMainloop, 0);
77 case PA_CONTEXT_FAILED:
78 case PA_CONTEXT_TERMINATED:
79 AUDIO_IO_LOGD("The context is lost");
80 pa_threaded_mainloop_signal(pClient->__mpMainloop, 0);
83 case PA_CONTEXT_UNCONNECTED:
84 case PA_CONTEXT_CONNECTING:
85 case PA_CONTEXT_AUTHORIZING:
86 case PA_CONTEXT_SETTING_NAME:
92 static bool __is_microphone_restricted(void) {
95 device_policy_manager_h dpm_h = nullptr;
98 if ((dpm_h = dpm_manager_create())) {
99 /* state: 0(disallowed), 1(allowed) */
100 if ((ret = dpm_restriction_get_microphone_state(dpm_h, &state)))
101 AUDIO_IO_LOGE("Failed to dpm_restriction_get_microphone_state(), ret(0x%x)", ret);
102 dpm_manager_destroy(dpm_h);
103 AUDIO_IO_LOGD("microphone restriction state: %d(1:allowed, 0:disallowed)", state);
105 AUDIO_IO_LOGE("Failed to dpm_manager_create()");
108 return (state ? false : true);
112 void CPulseAudioClient::__streamStateChangeCb(pa_stream* s, void* user_data) {
116 auto pClient = static_cast<CPulseAudioClient*>(user_data);
118 switch (pa_stream_get_state(s)) {
119 case PA_STREAM_READY:
120 AUDIO_IO_LOGD("The stream is ready");
121 pClient->__mpListener->onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING);
122 if (pClient->__mDirection == EStreamDirection::STREAM_DIRECTION_PLAYBACK)
123 pClient->__mIsFirstStream = true;
124 pClient->__mIsInit = true;
125 pa_threaded_mainloop_signal(pClient->__mpMainloop, 0);
128 case PA_STREAM_FAILED:
130 AUDIO_IO_LOGD("The stream is failed");
131 pClient->__mpListener->onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE,
132 __is_microphone_restricted());
133 pa_threaded_mainloop_signal(pClient->__mpMainloop, 0);
137 case PA_STREAM_TERMINATED:
138 AUDIO_IO_LOGD("The stream is terminated");
139 pClient->__mpListener->onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
140 pa_threaded_mainloop_signal(pClient->__mpMainloop, 0);
143 case PA_STREAM_UNCONNECTED:
144 case PA_STREAM_CREATING:
149 void CPulseAudioClient::__streamCaptureCb(pa_stream* s, size_t length, void* user_data) {
153 auto pClient = static_cast<CPulseAudioClient*>(user_data);
154 assert(pClient->__mpListener);
155 assert(pClient->__mpMainloop);
157 if (pClient->__mIsUsedSyncRead)
158 pa_threaded_mainloop_signal(pClient->__mpMainloop, 0);
160 pClient->__mpListener->onStream(pClient, length);
163 #ifndef DISABLE_MOBILE_BACK_COMP
164 static void __dummy_write(pa_stream* s, size_t length) {
165 char* dummy = new char[length];
166 memset(dummy, 0, length);
167 pa_stream_write(s, dummy, length, NULL, 0LL, PA_SEEK_RELATIVE);
172 void CPulseAudioClient::__streamPlaybackCb(pa_stream* s, size_t length, void* user_data) {
176 auto pClient = static_cast<CPulseAudioClient*>(user_data);
177 assert(pClient->__mpListener);
179 #ifndef DISABLE_MOBILE_BACK_COMP
180 if (!pClient->__mIsInit) {
181 AUDIO_IO_LOGD("Occurred this listener when an out stream is on the way to create : Write dummy, length[%zu]", length);
182 __dummy_write(s, length);
185 if (pClient->isCorked()) {
186 AUDIO_IO_LOGD("Occurred this listener when an out stream is CORKED : Write dummy, length[%zu]", length);
187 __dummy_write(s, length);
192 pClient->__mpListener->onStream(pClient, length);
194 #ifndef DISABLE_MOBILE_BACK_COMP
195 /* If stream is not written in first callback during prepare,
196 then write dummy data to ensure the start */
197 if (pClient->__mSpec.getStreamLatency() == CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT_ASYNC &&
198 pClient->__mIsFirstStream) {
199 AUDIO_IO_LOGW("[async] Write dummy of length[%zu] since not written in first callback during prepare", length);
200 __dummy_write(s, length);
201 pClient->__mIsFirstStream = false;
206 void CPulseAudioClient::__streamLatencyUpdateCb(pa_stream* s, void* user_data) {
210 auto pClient = static_cast<CPulseAudioClient*>(user_data);
212 pa_threaded_mainloop_signal(pClient->__mpMainloop, 0);
215 void CPulseAudioClient::__streamStartedCb(pa_stream* s, void* user_data) {
219 auto pClient = static_cast<CPulseAudioClient*>(user_data);
221 AUDIO_IO_LOGD("stream %p started.", pClient);
223 pClient->__mIsStarted = true;
226 void CPulseAudioClient::__streamUnderflowCb(pa_stream* s, void* user_data) {
230 auto pClient = static_cast<CPulseAudioClient*>(user_data);
232 AUDIO_IO_LOGD("stream %p UnderFlow...", pClient);
234 pClient->__mIsStarted = false;
238 void CPulseAudioClient::__streamEventCb(pa_stream* s, const char *name, pa_proplist *pl, void *user_data) {
242 AUDIO_IO_LOGE("NAME : %s, Prop : %p", name, pl);
244 auto pClient = static_cast<CPulseAudioClient*>(user_data);
245 if (strcmp(name, PA_STREAM_EVENT_POP_TIMEOUT) == 0)
246 pa_operation_unref(pa_stream_cork(pClient->__mpStream, 1, NULL, NULL));
250 void CPulseAudioClient::__successStreamCb(pa_stream* s, int success, void* user_data) {
251 AUDIO_IO_LOGD("pa_stream[%p], success[%d], user_data[%p]", s, success, user_data);
255 auto pClient = static_cast<CPulseAudioClient*>(user_data);
256 pClient->__mIsOperationSuccess = static_cast<bool>(success);
258 pa_threaded_mainloop_signal(pClient->__mpMainloop, 0);
262 void CPulseAudioClient::__successDrainCbInThread(pa_stream* s, int success, void* user_data) {
263 AUDIO_IO_LOGD("pa_stream[%p], success[%d], user_data[%p]", s, success, user_data);
267 auto pClient = static_cast<CPulseAudioClient*>(user_data);
268 pClient->__mIsOperationSuccess = static_cast<bool>(success);
269 pClient->__mIsDraining = false;
273 void CPulseAudioClient::__successDrainCb(pa_stream* s, int success, void* user_data) {
274 AUDIO_IO_LOGD("pa_stream[%p], success[%d], user_data[%p]", s, success, user_data);
278 auto pClient = static_cast<CPulseAudioClient*>(user_data);
279 pClient->__mIsOperationSuccess = static_cast<bool>(success);
280 pClient->__mIsDraining = false;
282 pa_threaded_mainloop_signal(pClient->__mpMainloop, 0);
285 void CPulseAudioClient::initialize() {
293 // Allocates PA proplist
294 __mpPropList = pa_proplist_new();
296 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed pa_proplist_new()"); //LCOV_EXCL_LINE
298 // Adds values on proplist for delivery to PULSEAUDIO
299 pa_proplist_sets(__mpPropList, PA_PROP_MEDIA_ROLE, __mSpec.getAudioInfo().getConvertedStreamType());
301 int index = __mSpec.getAudioInfo().getAudioIndex();
303 pa_proplist_setf(__mpPropList, PA_PROP_MEDIA_PARENT_ID, "%u", (unsigned int) index);
305 // Adds latency on proplist for delivery to PULSEAUDIO
306 AUDIO_IO_LOGD("LATENCY : %s[%d]", __mSpec.getStreamLatencyToString(), static_cast<int>(__mSpec.getStreamLatency()));
307 pa_proplist_setf(__mpPropList, PA_PROP_MEDIA_TIZEN_AUDIO_LATENCY, "%s", __mSpec.getStreamLatencyToString());
309 // Allocates PA mainloop
310 __mpMainloop = pa_threaded_mainloop_new();
312 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed pa_threaded_mainloop_new()"); //LCOV_EXCL_LINE
314 // Allocates PA context
315 __mpContext = pa_context_new(pa_threaded_mainloop_get_api(__mpMainloop), CLIENT_NAME);
317 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed pa_context_new()"); //LCOV_EXCL_LINE
319 // Sets context state changed callback
320 pa_context_set_state_callback(__mpContext, __contextStateChangeCb, this);
322 // Connects this client with PA server
323 if (pa_context_connect(__mpContext, NULL, PA_CONTEXT_NOFLAGS, NULL) < 0)
324 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed pa_context_connect()"); //LCOV_EXCL_LINE
326 // LOCK for synchronous connection
327 pa_threaded_mainloop_lock(__mpMainloop);
330 if (pa_threaded_mainloop_start(__mpMainloop) < 0) {
331 pa_threaded_mainloop_unlock(__mpMainloop);
332 THROW_ERROR_MSG(CAudioError::EError::ERROR_FAILED_OPERATION, "Failed pa_threaded_mainloop_start()"); //LCOV_EXCL_LINE
335 // Connection process is asynchronously
336 // So, this function will be waited when occurred context state change event
337 // If I got a signal, do next processing
339 pa_context_state_t state;
340 state = pa_context_get_state(__mpContext);
342 if (state == PA_CONTEXT_READY)
345 if (!PA_CONTEXT_IS_GOOD(state)) {
347 err = pa_context_errno(__mpContext);
348 pa_threaded_mainloop_unlock(__mpMainloop);
349 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION, "pa_context's state is not good : err[%d]", err);
353 /* Wait until the context is ready */
354 pa_threaded_mainloop_wait(__mpMainloop);
357 // Allocates PA stream
358 pa_sample_spec ss = __mSpec.getSampleSpec();
359 pa_channel_map map = __mSpec.getChannelMap();
361 __mpStream = pa_stream_new_with_proplist(__mpContext, __mSpec.getStreamName(), &ss, &map, __mpPropList);
364 pa_threaded_mainloop_unlock(__mpMainloop);
365 THROW_ERROR_MSG(CAudioError::EError::ERROR_FAILED_OPERATION, "Failed pa_stream_new_with_proplist()");
369 // Sets stream callbacks
370 pa_stream_set_state_callback(__mpStream, __streamStateChangeCb, this);
371 pa_stream_set_read_callback(__mpStream, __streamCaptureCb, this);
372 pa_stream_set_write_callback(__mpStream, __streamPlaybackCb, this);
373 pa_stream_set_latency_update_callback(__mpStream, __streamLatencyUpdateCb, this);
374 pa_stream_set_event_callback(__mpStream, __streamEventCb, this);
375 if (__mDirection == EStreamDirection::STREAM_DIRECTION_PLAYBACK) {
376 pa_stream_set_started_callback(__mpStream, __streamStartedCb, this);
377 pa_stream_set_underflow_callback(__mpStream, __streamUnderflowCb, this);
380 // Connect stream with PA Server
382 if (__mDirection == EStreamDirection::STREAM_DIRECTION_PLAYBACK) {
383 auto flags = static_cast<pa_stream_flags_t>(
384 PA_STREAM_INTERPOLATE_TIMING |
385 PA_STREAM_ADJUST_LATENCY |
386 #ifndef DISABLE_MOBILE_BACK_COMP
387 PA_STREAM_START_CORKED |
389 PA_STREAM_AUTO_TIMING_UPDATE);
391 ret = pa_stream_connect_playback(__mpStream, NULL, NULL, flags, NULL, NULL);
393 auto flags = static_cast<pa_stream_flags_t>(
394 PA_STREAM_INTERPOLATE_TIMING |
395 PA_STREAM_ADJUST_LATENCY |
396 #ifndef DISABLE_MOBILE_BACK_COMP
397 PA_STREAM_START_CORKED |
399 PA_STREAM_AUTO_TIMING_UPDATE);
401 ret = pa_stream_connect_record(__mpStream, NULL, NULL, flags);
406 err = pa_context_errno(__mpContext);
407 pa_threaded_mainloop_unlock(__mpMainloop);
408 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_FAILED_OPERATION, "Failed pa_stream_connect() : err[%d]", err);
413 pa_stream_state_t state = pa_stream_get_state(__mpStream);
415 if (state == PA_STREAM_READY) {
416 AUDIO_IO_LOGD("STREAM READY");
420 if (!PA_STREAM_IS_GOOD(state)) {
421 err = pa_context_errno(__mpContext);
422 pa_threaded_mainloop_unlock(__mpMainloop);
423 if (err == PA_ERR_ACCESS)
424 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_DEVICE_POLICY_RESTRICTION, "pa_stream's state is not good : err[%d]", err);
426 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION, "pa_stream's state is not good : err[%d]", err); //LCOV_EXCL_LINE
429 /* Wait until the stream is ready */
430 pa_threaded_mainloop_wait(__mpMainloop);
433 // End of synchronous
434 pa_threaded_mainloop_unlock(__mpMainloop);
436 // __mIsInit = true; // Moved to __streamStateChangeCb()
437 } catch (const CAudioError& e) {
443 void CPulseAudioClient::finalize() {
446 if (__mpMainloop && !isInThread())
447 pa_threaded_mainloop_lock(__mpMainloop);
449 /* clear callbacks */
451 if (__mDirection == EStreamDirection::STREAM_DIRECTION_PLAYBACK)
452 pa_stream_set_write_callback(__mpStream, NULL, NULL);
454 pa_stream_set_read_callback(__mpStream, NULL, NULL);
455 pa_stream_set_latency_update_callback(__mpStream, NULL, NULL);
456 pa_stream_set_event_callback(__mpStream, NULL, NULL);
459 if (__mpMainloop && !isInThread())
460 pa_threaded_mainloop_unlock(__mpMainloop);
462 /* Wait for drain complete if draining before finalize */
464 unsigned int drain_wait_count = 0;
465 while (__mIsDraining && drain_wait_count++ < drain_wait_max_count)
466 usleep(drain_wait_interval);
467 AUDIO_IO_LOGD("wait for drain complete!!!! [%d * %d usec]",
468 drain_wait_count, drain_wait_interval);
472 pa_threaded_mainloop_stop(__mpMainloop);
475 pa_stream_disconnect(__mpStream);
476 pa_stream_unref(__mpStream);
477 __mpStream = nullptr;
481 pa_context_disconnect(__mpContext);
482 pa_context_unref(__mpContext);
483 __mpContext = nullptr;
487 pa_threaded_mainloop_free(__mpMainloop);
488 __mpMainloop = nullptr;
492 pa_proplist_free(__mpPropList);
493 __mpPropList = nullptr;
499 int CPulseAudioClient::read(void* buffer, size_t length) {
501 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
506 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT, "The parameter is invalid : buffer[%p]", buffer);
508 if (__mDirection == EStreamDirection::STREAM_DIRECTION_PLAYBACK)
509 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_SUPPORTED, "The Playback client couldn't use this function");
511 size_t lengthIter = length;
514 __mIsUsedSyncRead = true;
517 pa_threaded_mainloop_lock(__mpMainloop);
519 while (lengthIter > 0) {
522 while (!__mpSyncReadDataPtr) {
523 ret = pa_stream_peek(__mpStream, &__mpSyncReadDataPtr, &__mSyncReadLength);
525 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION, "Failed pa_stream_peek() : ret[%d]", ret);
527 if (__mSyncReadLength <= 0) {
528 #ifdef _AUDIO_IO_DEBUG_TIMING_
529 AUDIO_IO_LOGD("readLength(%zu byte) is not valid. wait...", __mSyncReadLength);
531 pa_threaded_mainloop_wait(__mpMainloop);
532 } else if (!__mpSyncReadDataPtr) {
533 // Data peeked, but it doesn't have any data
534 ret = pa_stream_drop(__mpStream);
536 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION, "Failed pa_stream_drop() : ret[%d]", ret); //LCOV_EXCL_LINE
538 __mSyncReadIndex = 0;
542 l = min(__mSyncReadLength, lengthIter);
544 // Copy partial pcm data on out parameter
545 #ifdef _AUDIO_IO_DEBUG_TIMING_
546 AUDIO_IO_LOGD("memcpy() that a peeked buffer[%p], index[%zu], length[%zu] on out buffer", (const uint8_t*)(__mpSyncReadDataPtr) + __mSyncReadIndex, __mSyncReadIndex, l);
548 memcpy(buffer, (const uint8_t*)__mpSyncReadDataPtr + __mSyncReadIndex, l);
550 // Move next position
551 buffer = (uint8_t*)buffer + l;
554 // Adjusts the rest length
555 __mSyncReadIndex += l;
556 __mSyncReadLength -= l;
558 if (__mSyncReadLength == 0) {
559 #ifdef _AUDIO_IO_DEBUG_TIMING_
560 AUDIO_IO_LOGD("__mSyncReadLength is zero, do drop()");
562 ret = pa_stream_drop(__mpStream);
564 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION, "Failed pa_stream_drop() : ret[%d]", ret); //LCOV_EXCL_LINE
566 // Reset the internal pointer
567 __mpSyncReadDataPtr = nullptr;
568 __mSyncReadLength = 0;
569 __mSyncReadIndex = 0;
571 } // End of while (lengthIter > 0)
573 pa_threaded_mainloop_unlock(__mpMainloop);
574 __mIsUsedSyncRead = false;
575 } catch (const CAudioError& e) {
576 pa_threaded_mainloop_unlock(__mpMainloop);
577 __mIsUsedSyncRead = false;
584 int CPulseAudioClient::peek(const void** buffer, size_t* length) {
586 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
590 if (!buffer || !length)
591 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT, "The parameter is invalid : buffer[%p], length[%p]", buffer, length);
593 if (__mDirection == EStreamDirection::STREAM_DIRECTION_PLAYBACK)
594 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_SUPPORTED, "The Playback client couldn't use this function");
599 pa_threaded_mainloop_lock(__mpMainloop);
600 ret = pa_stream_peek(__mpStream, buffer, length);
601 pa_threaded_mainloop_unlock(__mpMainloop);
603 ret = pa_stream_peek(__mpStream, buffer, length);
606 #ifdef _AUDIO_IO_DEBUG_TIMING_
607 AUDIO_IO_LOGD("buffer[%p], length[%zu]", *buffer, *length);
611 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_FAILED_OPERATION, "Failed pa_stream_peek() : err[%d]", ret); //LCOV_EXCL_LINE
616 int CPulseAudioClient::drop() {
618 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
620 #ifdef _AUDIO_IO_DEBUG_TIMING_
626 if (__mDirection == EStreamDirection::STREAM_DIRECTION_PLAYBACK)
627 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_SUPPORTED, "The Playback client couldn't use this function");
632 pa_threaded_mainloop_lock(__mpMainloop);
633 ret = pa_stream_drop(__mpStream);
634 pa_threaded_mainloop_unlock(__mpMainloop);
636 ret = pa_stream_drop(__mpStream);
640 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_FAILED_OPERATION, "Failed pa_stream_drop() : err[%d]", ret); //LCOV_EXCL_LINE
645 int CPulseAudioClient::write(const void* data, size_t length) {
647 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_ARGUMENT, "The parameter is invalid");
649 if (__mDirection == EStreamDirection::STREAM_DIRECTION_RECORD)
650 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_SUPPORTED, "The Playback client couldn't use this function");
654 #ifdef _AUDIO_IO_DEBUG_TIMING_
655 AUDIO_IO_LOGD("data[%p], length[%zu], First[%d]", data, length, __mIsFirstStream);
659 pa_threaded_mainloop_lock(__mpMainloop);
660 if (pa_stream_is_corked(__mpStream)) {
661 AUDIO_IO_LOGW("stream is corked...do uncork here first!!!!");
662 pa_operation_unref(pa_stream_cork(__mpStream, 0, NULL, this));
665 ret = pa_stream_write(__mpStream, data, length, NULL, 0LL, PA_SEEK_RELATIVE);
666 pa_threaded_mainloop_unlock(__mpMainloop);
668 if (pa_stream_is_corked(__mpStream)) {
669 AUDIO_IO_LOGW("stream is corked...do uncork here first!!!!");
670 pa_operation_unref(pa_stream_cork(__mpStream, 0, NULL, this));
673 if (__mIsFirstStream) {
674 const pa_buffer_attr* attr = pa_stream_get_buffer_attr(__mpStream);
675 uint32_t prebuf = attr->prebuf;
676 // Compensate amount of prebuf in first stream callback when audio-io use prebuf(-1)
677 // Because a stream will never start when an application wrote less than prebuf at first
678 if (length < prebuf) {
679 char* dummy = new char[prebuf - length];
680 memset(dummy, 0, prebuf - length);
681 pa_stream_write(__mpStream, dummy, prebuf - length, NULL, 0LL, PA_SEEK_RELATIVE);
684 __mIsFirstStream = false;
685 AUDIO_IO_LOGW("FIRST STREAM CALLBACK : length[%zu], prebuf[%d], dummy[%zu]",
686 length, prebuf, (length < prebuf) ? prebuf - length : 0);
688 ret = pa_stream_write(__mpStream, data, length, NULL, 0LL, PA_SEEK_RELATIVE);
692 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_FAILED_OPERATION, "Failed pa_stream_write() : err[%d]", ret); //LCOV_EXCL_LINE
697 void CPulseAudioClient::cork(bool cork) {
698 AUDIO_IO_LOGD("cork[%d]", cork);
701 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
704 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_SUPPORTED, "This operation is not supported in callback");
708 // Set __mIsFirstStream flag when uncork(resume) stream, because prebuf will be enable again
710 __mIsFirstStream = true;
713 pa_threaded_mainloop_lock(__mpMainloop);
714 pa_operation_unref(pa_stream_cork(__mpStream, static_cast<int>(cork), __successStreamCb, this));
715 pa_threaded_mainloop_unlock(__mpMainloop);
717 pa_operation_unref(pa_stream_cork(__mpStream, static_cast<int>(cork), __successStreamCb, this));
721 bool CPulseAudioClient::isCorked() {
723 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
730 pa_threaded_mainloop_lock(__mpMainloop);
731 isCork = pa_stream_is_corked(__mpStream);
732 pa_threaded_mainloop_unlock(__mpMainloop);
734 isCork = pa_stream_is_corked(__mpStream);
737 #ifdef _AUDIO_IO_DEBUG_TIMING_
738 AUDIO_IO_LOGD("isCork[%d]", isCork);
740 return static_cast<bool>(isCork);
743 bool CPulseAudioClient::drain() {
745 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
750 AUDIO_IO_LOGW("Corked...");
755 AUDIO_IO_LOGW("already draining...");
760 AUDIO_IO_LOGW("stream not started yet...skip drain");
765 AUDIO_IO_LOGD("drain");
766 pa_threaded_mainloop_lock(__mpMainloop);
767 pa_operation* o = pa_stream_drain(__mpStream, __successDrainCb, this);
768 __mIsDraining = true;
769 while (pa_operation_get_state(o) == PA_OPERATION_RUNNING)
770 pa_threaded_mainloop_wait(__mpMainloop);
772 pa_operation_unref(o);
773 pa_threaded_mainloop_unlock(__mpMainloop);
774 AUDIO_IO_LOGD("drain done");
776 AUDIO_IO_LOGD("drain in thread");
777 pa_operation_unref(pa_stream_drain(__mpStream, __successDrainCbInThread, this));
778 __mIsDraining = true;
784 bool CPulseAudioClient::flush() {
786 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
791 AUDIO_IO_LOGD("flush");
792 pa_threaded_mainloop_lock(__mpMainloop);
793 pa_operation_unref(pa_stream_flush(__mpStream, __successStreamCb, this));
794 pa_threaded_mainloop_unlock(__mpMainloop);
796 AUDIO_IO_LOGD("flush in thread");
797 pa_operation_unref(pa_stream_flush(__mpStream, __successStreamCb, this));
803 size_t CPulseAudioClient::getWritableSize() {
805 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
809 if (__mDirection != EStreamDirection::STREAM_DIRECTION_PLAYBACK)
810 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_SUPPORTED, "This client is used for Playback");
815 pa_threaded_mainloop_lock(__mpMainloop);
816 ret = pa_stream_writable_size(__mpStream);
817 pa_threaded_mainloop_unlock(__mpMainloop);
819 ret = pa_stream_writable_size(__mpStream);
825 void CPulseAudioClient::checkRunningState() {
826 if (!__mpContext || !PA_CONTEXT_IS_GOOD(pa_context_get_state(__mpContext)))
827 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_NOT_INITIALIZED, "The context[%p] is not created or not good state", __mpContext);
829 if (!__mpStream || !PA_STREAM_IS_GOOD(pa_stream_get_state(__mpStream)))
830 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_NOT_INITIALIZED, "The stream[%p] is not created or not good state", __mpStream);
832 if (pa_context_get_state(__mpContext) != PA_CONTEXT_READY || pa_stream_get_state(__mpStream) != PA_STREAM_READY)
833 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_NOT_INITIALIZED, "The context[%p] or stream[%p] state is not ready", __mpContext, __mpStream);
835 #ifdef _AUDIO_IO_DEBUG_TIMING_
836 AUDIO_IO_LOGD("This client is running");
840 bool CPulseAudioClient::isInThread() noexcept {
841 int ret = pa_threaded_mainloop_in_thread(__mpMainloop);
843 #ifdef _AUDIO_IO_DEBUG_TIMING_
844 AUDIO_IO_LOGD("isInThread[%d]", ret);
846 return static_cast<bool>(ret);
850 size_t CPulseAudioClient::getReadableSize() {
852 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
856 if (__mDirection != EStreamDirection::STREAM_DIRECTION_RECORD)
857 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_SUPPORTED, "This client is used for Capture");
862 pa_threaded_mainloop_lock(__mpMainloop);
863 ret = pa_stream_readable_size(__mpStream);
864 pa_threaded_mainloop_unlock(__mpMainloop);
866 ret = pa_stream_writable_size(__mpStream);
872 size_t CPulseAudioClient::getBufferSize() {
874 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
882 pa_threaded_mainloop_lock(__mpMainloop);
884 const pa_buffer_attr* attr = pa_stream_get_buffer_attr(__mpStream);
886 int _err = pa_context_errno(__mpContext);
887 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_FAILED_OPERATION, "Failed pa_stream_get_buffer_attr() : err[%d]", _err);
890 if (__mDirection == EStreamDirection::STREAM_DIRECTION_PLAYBACK) {
892 AUDIO_IO_LOGD("PLAYBACK buffer size[%zu]", ret);
894 ret = attr->fragsize;
895 AUDIO_IO_LOGD("RECORD buffer size[%zu]", ret);
897 } catch (const CAudioError& e) {
899 pa_threaded_mainloop_unlock(__mpMainloop);
904 pa_threaded_mainloop_unlock(__mpMainloop);
909 pa_usec_t CPulseAudioClient::getLatency() {
911 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
919 if (pa_stream_get_latency(__mpStream, &ret, &negative) < 0) {
920 int _err = pa_context_errno(__mpContext);
921 if (_err != PA_ERR_NODATA)
922 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_FAILED_OPERATION, "Failed pa_stream_get_latency() : err[%d]", _err);
924 return negative ? 0 : ret;
927 pa_threaded_mainloop_lock(__mpMainloop);
931 if (pa_stream_get_latency(__mpStream, &ret, &negative) >= 0)
934 int _err = pa_context_errno(__mpContext);
935 if (_err != PA_ERR_NODATA)
936 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_FAILED_OPERATION, "Failed pa_stream_get_latency() : err[%d]", _err);
938 /* Wait until latency data is available again */
939 pa_threaded_mainloop_wait(__mpMainloop);
941 } catch (const CAudioError& e) {
942 pa_threaded_mainloop_unlock(__mpMainloop);
946 pa_threaded_mainloop_unlock(__mpMainloop);
948 return negative ? 0 : ret;
951 pa_usec_t CPulseAudioClient::getFinalLatency() {
953 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
961 pa_threaded_mainloop_lock(__mpMainloop);
963 uint32_t ver = pa_context_get_server_protocol_version(__mpContext);
965 const pa_buffer_attr* buffer_attr = pa_stream_get_buffer_attr(__mpStream);
966 const pa_sample_spec* sample_spec = pa_stream_get_sample_spec(__mpStream);
967 const pa_timing_info* timing_info = pa_stream_get_timing_info(__mpStream);
969 if (!buffer_attr || !sample_spec || !timing_info)
970 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed to get buffer_attr[%p] or sample_spec[%p] or timing_info[%p] from a pa_stream",
971 buffer_attr, sample_spec, timing_info);
973 if (__mDirection == EStreamDirection::STREAM_DIRECTION_PLAYBACK) {
974 ret = (pa_bytes_to_usec(buffer_attr->tlength, sample_spec) + timing_info->configured_sink_usec);
975 AUDIO_IO_LOGD("FINAL PLAYBACK LATENCY[%" PRIu64 "]", ret);
977 ret = (pa_bytes_to_usec(buffer_attr->fragsize, sample_spec) + timing_info->configured_source_usec);
978 AUDIO_IO_LOGD("FINAL RECORD LATENCY[%" PRIu64 "]", ret);
981 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_NOT_SUPPORTED, "This version(ver.%d) is not supported", ver);
985 pa_threaded_mainloop_unlock(__mpMainloop);
986 } catch (const CAudioError& e) {
988 pa_threaded_mainloop_unlock(__mpMainloop);