2 * 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.
20 #include <pulse/pulseaudio.h>
21 #include "CAudioIODef.h"
24 #define RECORDER_PRIVILEGE "http://tizen.org/privilege/recorder"
25 #define CLIENT_NAME "AUDIO_IO_PA_CLIENT"
28 using namespace tizen_media_audio;
30 struct PrivilegeData {
31 bool isPrivilegeAllowed;
32 pa_threaded_mainloop *paMainloop;
36 * class CAudioInput inherited by CAudioIO
38 CAudioInput::CAudioInput(CAudioInfo& info) :
40 __mIsUsedSyncRead(true),
42 mDirection = CAudioInfo::EAudioDirection::AUDIO_DIRECTION_IN;
46 CAudioInput::CAudioInput(
47 unsigned int sampleRate,
48 CAudioInfo::EChannel channel,
49 CAudioInfo::ESampleType type,
50 CAudioInfo::EAudioType audioType) :
51 __mIsUsedSyncRead(true),
53 mDirection = CAudioInfo::EAudioDirection::AUDIO_DIRECTION_IN;
54 mAudioInfo = CAudioInfo(sampleRate, channel, type, audioType, -1);
58 CAudioInput::~CAudioInput() {
61 void CAudioInput::onStream(CPulseAudioClient* pClient, size_t length) {
65 * Does not call CAudioIO::onStream() for synchronization
66 * if a user is using read()
68 if (__mIsUsedSyncRead == true) {
69 #ifdef _AUDIO_IO_DEBUG_TIMING_
70 AUDIO_IO_LOGD("Sync Read Mode! - pClient:[%p], length:[%d]", pClient, length);
76 * Accrues callback function
78 #ifdef _AUDIO_IO_DEBUG_TIMING_
79 AUDIO_IO_LOGD("pClient:[%p], length:[%d]", pClient, length);
81 CAudioIO::onStream(pClient, length);
84 void CAudioInput::__setInit(bool flag) {
88 bool CAudioInput::__IsInit() {
89 return (CAudioIO::isInit() == true && __mIsInit == true);
92 bool CAudioInput::__IsReady() {
93 return CAudioIO::IsReady();
96 static void __contextStateChangeCb(pa_context* c, void* user_data) {
97 pa_threaded_mainloop *paMainloop = static_cast<pa_threaded_mainloop*>(user_data);
101 switch (pa_context_get_state(c)) {
102 case PA_CONTEXT_READY:
103 AUDIO_IO_LOGD("The context is ready");
104 pa_threaded_mainloop_signal(paMainloop, 0);
107 case PA_CONTEXT_FAILED:
108 case PA_CONTEXT_TERMINATED:
109 AUDIO_IO_LOGD("The context is lost");
110 pa_threaded_mainloop_signal(paMainloop, 0);
113 case PA_CONTEXT_UNCONNECTED:
114 case PA_CONTEXT_CONNECTING:
115 case PA_CONTEXT_AUTHORIZING:
116 case PA_CONTEXT_SETTING_NAME:
121 static void __checkPrivilegeCb(pa_context *c, int success, void *user_data) {
122 AUDIO_IO_LOGD("pa_context[%p], success[%d], user_data[%p]", c, success, user_data);
126 PrivilegeData *prData = static_cast<PrivilegeData*>(user_data);
127 prData->isPrivilegeAllowed = success ? true : false;
129 pa_threaded_mainloop_signal(prData->paMainloop, 0);
132 static bool __IsPrivilegeAllowed() {
136 PrivilegeData prData;
138 prData.paMainloop = pa_threaded_mainloop_new();
139 if (prData.paMainloop == NULL)
140 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed pa_threaded_mainloop_new()"); //LCOV_EXCL_LINE
142 c = pa_context_new(pa_threaded_mainloop_get_api(prData.paMainloop), CLIENT_NAME);
144 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed pa_context_new()"); //LCOV_EXCL_LINE
146 pa_context_set_state_callback(c, __contextStateChangeCb, prData.paMainloop);
148 if (pa_context_connect(c, NULL, PA_CONTEXT_NOFLAGS, NULL) < 0)
149 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed pa_context_connect()"); //LCOV_EXCL_LINE
151 pa_threaded_mainloop_lock(prData.paMainloop);
153 if (pa_threaded_mainloop_start(prData.paMainloop) < 0) {
154 pa_threaded_mainloop_unlock(prData.paMainloop);
155 THROW_ERROR_MSG(CAudioError::EError::ERROR_FAILED_OPERATION, "Failed pa_threaded_mainloop_start()"); //LCOV_EXCL_LINE
159 pa_context_state_t state;
160 state = pa_context_get_state(c);
162 if (state == PA_CONTEXT_READY)
165 if (!PA_CONTEXT_IS_GOOD(state)) {
167 err = pa_context_errno(c);
168 pa_threaded_mainloop_unlock(prData.paMainloop);
169 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION,
170 "pa_context's state is not good : err[%d]", err);
174 /* Wait until the context is ready */
175 pa_threaded_mainloop_wait(prData.paMainloop);
178 o = pa_context_check_privilege(c, RECORDER_PRIVILEGE, __checkPrivilegeCb, &prData);
181 pa_threaded_mainloop_unlock(prData.paMainloop);
182 THROW_ERROR_MSG(CAudioError::EError::ERROR_FAILED_OPERATION, "Failed to pa_context_check_privilege()");
185 while (pa_operation_get_state(o) == PA_OPERATION_RUNNING)
186 pa_threaded_mainloop_wait(prData.paMainloop);
187 pa_operation_unref(o);
189 pa_threaded_mainloop_unlock(prData.paMainloop);
190 pa_threaded_mainloop_stop(prData.paMainloop);
191 pa_context_disconnect(c);
193 pa_threaded_mainloop_free(prData.paMainloop);
195 return prData.isPrivilegeAllowed;
198 void CAudioInput::initialize() {
199 if (__IsInit() == true)
202 if (__IsPrivilegeAllowed() == false)
203 THROW_ERROR_MSG(CAudioError::EError::ERROR_PERMISSION_DENIED, "No privilege for record");
206 CAudioIO::initialize();
208 } catch (CAudioError& e) {
213 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
216 void CAudioInput::finalize() {
217 if (__IsInit() == false) {
218 AUDIO_IO_LOGD("Did not initialize");
222 CAudioIO::finalize();
227 void CAudioInput::prepare() {
228 if (__IsInit() == false)
229 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioInput");
231 if (__IsReady() == true) {
232 AUDIO_IO_LOGD("Already prepared CAudioInput");
237 /* Check invalid AudioType */
238 CAudioInfo::EAudioType audioType = mAudioInfo.getAudioType();
239 if (audioType < CAudioInfo::EAudioType::AUDIO_IN_TYPE_MEDIA ||
240 audioType >= CAudioInfo::EAudioType::AUDIO_OUT_TYPE_MEDIA)
241 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
242 "The audioType is invalid [type:%d]", static_cast<int>(audioType));
245 /* Init StreamSpec */
246 AUDIO_IO_LOGD("Set Stream Spec : CPulseStreamSpec::STREAM_LATENCY_INPUT_DEFAULT");
247 CPulseStreamSpec::EStreamLatency streamSpec = CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_INPUT_DEFAULT;
248 CPulseStreamSpec spec(streamSpec, mAudioInfo);
251 mpPulseAudioClient = new CPulseAudioClient(CPulseAudioClient::EStreamDirection::STREAM_DIRECTION_RECORD, spec, this);
252 mpPulseAudioClient->initialize();
253 #ifndef DISABLE_MOBILE_BACK_COMP
254 /* Uncork stream which is created with CORKED flag */
255 mpPulseAudioClient->cork(false);
260 } catch (CAudioError& e) {
261 SAFE_FINALIZE(mpPulseAudioClient);
262 SAFE_DELETE(mpPulseAudioClient);
265 } catch (const std::bad_alloc&) {
268 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed to allocate CPulseAudioClient object");
273 void CAudioInput::unprepare() {
274 if (__IsInit() == false)
275 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
276 "Did not initialize CAudioInput");
278 if (__IsReady() == false) {
279 AUDIO_IO_LOGD("Already unprepared");
283 CAudioIO::unprepare();
287 if (mpPulseAudioClient && mpPulseAudioClient->isInThread())
288 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't unprepare inside pulseaudio thread");
289 SAFE_FINALIZE(mpPulseAudioClient);
290 SAFE_DELETE(mpPulseAudioClient);
292 } catch (CAudioError& e) {
297 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
300 void CAudioInput::pause() {
301 if (__IsInit() == false || __IsReady() == false)
302 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
303 "Did not initialize or prepare CAudioInput");
305 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING)
306 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_STATE,
307 "Can't pause if not in Running state");
309 if (mpPulseAudioClient->isInThread() == true)
310 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't pause in thread");
313 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED);
316 void CAudioInput::resume() {
317 if (__IsInit() == false || __IsReady() == false)
318 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
319 "Did not initialize or prepare CAudioInput");
321 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED)
322 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_STATE,
323 "Can't resume if not in Paused state");
325 if (mpPulseAudioClient->isInThread() == true)
326 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't resume in thread");
329 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING);
332 void CAudioInput::drain() {
333 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_SUPPORTED, "Did not support drain of CAudioInput");
336 void CAudioInput::flush() {
337 if (__IsInit() == false || __IsReady() == false)
338 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
339 "Did not initialize or prepare CAudioInput");
344 int CAudioInput::getBufferSize() {
345 if (__IsInit() == false)
346 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioInput");
348 /* FIXME : return calculated size here to satisfy backward compatibility */
349 return (mAudioInfo.getSampleRate() * DEFAULT_PERIOD_SIZE) / 1000 * mAudioInfo.getSampleSize();
352 void CAudioInput::setStreamCallback(SStreamCallback callback) {
353 if (__IsInit() == false)
354 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioInput");
356 if (callback.onStream == NULL)
357 __mIsUsedSyncRead = true;
359 __mIsUsedSyncRead = false;
360 AUDIO_IO_LOGD("__mIsUsedSyncRead = %d", __mIsUsedSyncRead);
362 CAudioIO::setStreamCallback(callback);
365 size_t CAudioInput::read(void* buffer, size_t length) {
366 if (__IsInit() == false || __IsReady() == false)
367 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
368 "Did not initialize or prepare CAudioInput");
371 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
372 "Parameters are NULL buffer:%p", buffer);
374 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING)
375 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
376 "Can't read if not in Running state");
378 /* Checks synchronous flag */
379 if (__mIsUsedSyncRead == false)
380 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
381 "Invalid operation of read() if receive stream callback");
388 // If another thread did call unprepare, do not read
389 if (mpPulseAudioClient == NULL)
390 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
391 "Did not initialize CPulseAudioClient");
393 // Block until read done
394 ret = mpPulseAudioClient->read(buffer, length);
398 } catch (CAudioError& e) {
406 int CAudioInput::peek(const void** buffer, size_t* length) {
407 if (__IsInit() == false || __IsReady() == false)
408 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
409 "Did not initialize or prepare CAudioInput");
411 if (buffer == NULL || length == NULL)
412 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
413 "Parameters are NULL buffer:%p, length:%p", buffer, length);
415 /* Checks synchronous flag */
416 if (__mIsUsedSyncRead == true)
417 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
418 "Invalid operation of peek() if does not receive a stream callback");
420 return mpPulseAudioClient->peek(buffer, length);
423 int CAudioInput::drop() {
424 if (__IsInit() == false || __IsReady() == false)
425 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
426 "Did not initialize or prepare CAudioInput");
428 /* Checks synchronous flag */
429 if (__mIsUsedSyncRead == true)
430 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
431 "Invalid operation of drop() if does not receive a stream callback");
433 return mpPulseAudioClient->drop();