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;
45 CAudioInput::CAudioInput(
46 unsigned int sampleRate,
47 CAudioInfo::EChannel channel,
48 CAudioInfo::ESampleType type,
49 CAudioInfo::EAudioType audioType) :
50 __mIsUsedSyncRead(true),
52 mDirection = CAudioInfo::EAudioDirection::AUDIO_DIRECTION_IN;
53 mAudioInfo = CAudioInfo(sampleRate, channel, type, audioType, -1);
56 CAudioInput::~CAudioInput() {
59 void CAudioInput::onStream(CPulseAudioClient* pClient, size_t length) {
63 * Does not call CAudioIO::onStream() for synchronization
64 * if a user is using read()
66 if (__mIsUsedSyncRead == true) {
67 #ifdef _AUDIO_IO_DEBUG_TIMING_
68 AUDIO_IO_LOGD("Sync Read Mode! - pClient:[%p], length:[%d]", pClient, length);
74 * Accrues callback function
76 #ifdef _AUDIO_IO_DEBUG_TIMING_
77 AUDIO_IO_LOGD("pClient:[%p], length:[%d]", pClient, length);
79 CAudioIO::onStream(pClient, length);
82 void CAudioInput::__setInit(bool flag) {
86 bool CAudioInput::__IsInit() {
87 return (CAudioIO::isInit() == true && __mIsInit == true);
90 bool CAudioInput::__IsReady() {
91 return CAudioIO::IsReady();
94 static void __contextStateChangeCb(pa_context* c, void* user_data) {
95 pa_threaded_mainloop *paMainloop = static_cast<pa_threaded_mainloop*>(user_data);
99 switch (pa_context_get_state(c)) {
100 case PA_CONTEXT_READY:
101 AUDIO_IO_LOGD("The context is ready");
102 pa_threaded_mainloop_signal(paMainloop, 0);
105 case PA_CONTEXT_FAILED:
106 case PA_CONTEXT_TERMINATED:
107 AUDIO_IO_LOGD("The context is lost");
108 pa_threaded_mainloop_signal(paMainloop, 0);
111 case PA_CONTEXT_UNCONNECTED:
112 case PA_CONTEXT_CONNECTING:
113 case PA_CONTEXT_AUTHORIZING:
114 case PA_CONTEXT_SETTING_NAME:
119 static void __checkPrivilegeCb(pa_context *c, int success, void *user_data) {
120 AUDIO_IO_LOGD("pa_context[%p], success[%d], user_data[%p]", c, success, user_data);
124 PrivilegeData *prData = static_cast<PrivilegeData*>(user_data);
125 prData->isPrivilegeAllowed = success ? true : false;
127 pa_threaded_mainloop_signal(prData->paMainloop, 0);
130 static bool __IsPrivilegeAllowed() {
134 PrivilegeData prData;
136 prData.paMainloop = pa_threaded_mainloop_new();
137 if (prData.paMainloop == NULL)
138 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed pa_threaded_mainloop_new()");
140 c = pa_context_new(pa_threaded_mainloop_get_api(prData.paMainloop), CLIENT_NAME);
142 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed pa_context_new()");
144 pa_context_set_state_callback(c, __contextStateChangeCb, prData.paMainloop);
146 if (pa_context_connect(c, NULL, PA_CONTEXT_NOFLAGS, NULL) < 0)
147 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed pa_context_connect()");
149 pa_threaded_mainloop_lock(prData.paMainloop);
151 if (pa_threaded_mainloop_start(prData.paMainloop) < 0) {
152 pa_threaded_mainloop_unlock(prData.paMainloop);
153 THROW_ERROR_MSG(CAudioError::EError::ERROR_FAILED_OPERATION, "Failed pa_threaded_mainloop_start()");
157 pa_context_state_t state;
158 state = pa_context_get_state(c);
160 if (state == PA_CONTEXT_READY)
163 if (!PA_CONTEXT_IS_GOOD(state)) {
164 err = pa_context_errno(c);
165 pa_threaded_mainloop_unlock(prData.paMainloop);
166 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION,
167 "pa_context's state is not good : err[%d]", err);
170 /* Wait until the context is ready */
171 pa_threaded_mainloop_wait(prData.paMainloop);
174 o = pa_context_check_privilege(c, RECORDER_PRIVILEGE, __checkPrivilegeCb, &prData);
176 pa_threaded_mainloop_unlock(prData.paMainloop);
177 THROW_ERROR_MSG(CAudioError::EError::ERROR_FAILED_OPERATION, "Failed to pa_context_check_privilege()");
179 while (pa_operation_get_state(o) == PA_OPERATION_RUNNING)
180 pa_threaded_mainloop_wait(prData.paMainloop);
181 pa_operation_unref(o);
183 pa_threaded_mainloop_unlock(prData.paMainloop);
184 pa_threaded_mainloop_stop(prData.paMainloop);
185 pa_context_disconnect(c);
187 pa_threaded_mainloop_free(prData.paMainloop);
189 return prData.isPrivilegeAllowed;
192 void CAudioInput::initialize() {
193 if (__IsInit() == true)
197 CAudioIO::initialize();
198 } catch (CAudioError& e) {
203 if (__IsPrivilegeAllowed() == false)
204 THROW_ERROR_MSG(CAudioError::EError::ERROR_PERMISSION_DENIED, "No privilege for record");
207 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
210 void CAudioInput::finalize() {
211 if (__IsInit() == false) {
212 AUDIO_IO_LOGD("Did not initialize");
216 CAudioIO::finalize();
221 void CAudioInput::prepare() {
222 if (__IsInit() == false)
223 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioInput");
225 if (__IsReady() == true) {
226 AUDIO_IO_LOGD("Already prepared CAudioInput");
231 /* Check invalid AudioType */
232 CAudioInfo::EAudioType audioType = mAudioInfo.getAudioType();
233 if (audioType < CAudioInfo::EAudioType::AUDIO_IN_TYPE_MEDIA ||
234 audioType >= CAudioInfo::EAudioType::AUDIO_OUT_TYPE_MEDIA)
235 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
236 "The audioType is invalid [type:%d]", static_cast<int>(audioType));
239 /* Init StreamSpec */
240 AUDIO_IO_LOGD("Set Stream Spec : CPulseStreamSpec::STREAM_LATENCY_INPUT_DEFAULT");
241 CPulseStreamSpec::EStreamLatency streamSpec = CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_INPUT_DEFAULT;
242 CPulseStreamSpec spec(streamSpec, mAudioInfo);
245 mpPulseAudioClient = new CPulseAudioClient(CPulseAudioClient::EStreamDirection::STREAM_DIRECTION_RECORD, spec, this);
246 mpPulseAudioClient->initialize();
247 #ifndef DISABLE_MOBILE_BACK_COMP
248 /* Uncork stream which is created with CORKED flag */
249 mpPulseAudioClient->cork(false);
254 } catch (CAudioError& e) {
255 SAFE_FINALIZE(mpPulseAudioClient);
256 SAFE_DELETE(mpPulseAudioClient);
259 } catch (const std::bad_alloc&) {
261 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed to allocate CPulseAudioClient object");
265 void CAudioInput::unprepare() {
266 if (__IsInit() == false)
267 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
268 "Did not initialize CAudioInput");
270 if (__IsReady() == false) {
271 AUDIO_IO_LOGD("Already unprepared");
275 CAudioIO::unprepare();
279 if (mpPulseAudioClient && mpPulseAudioClient->isInThread())
280 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't unprepare inside pulseaudio thread");
281 SAFE_FINALIZE(mpPulseAudioClient);
282 SAFE_DELETE(mpPulseAudioClient);
284 } catch (CAudioError& e) {
289 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
292 void CAudioInput::pause() {
293 if (__IsInit() == false || __IsReady() == false)
294 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
295 "Did not initialize or prepare CAudioInput");
297 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING)
298 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_STATE,
299 "Can't pause if not in Running state");
301 if (mpPulseAudioClient->isInThread() == true)
302 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't pause in thread");
305 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED);
308 void CAudioInput::resume() {
309 if (__IsInit() == false || __IsReady() == false)
310 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
311 "Did not initialize or prepare CAudioInput");
313 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED)
314 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_STATE,
315 "Can't resume if not in Paused state");
317 if (mpPulseAudioClient->isInThread() == true)
318 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't resume in thread");
321 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING);
324 void CAudioInput::drain() {
325 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_SUPPORTED, "Did not support drain of CAudioInput");
328 void CAudioInput::flush() {
329 if (__IsInit() == false || __IsReady() == false)
330 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
331 "Did not initialize or prepare CAudioInput");
336 int CAudioInput::getBufferSize() {
337 if (__IsInit() == false)
338 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioInput");
340 /* FIXME : return calculated size here to satisfy backward compatibility */
341 return (mAudioInfo.getSampleRate() * DEFAULT_PERIOD_SIZE) / 1000 * mAudioInfo.getSampleSize();
344 void CAudioInput::setStreamCallback(SStreamCallback callback) {
345 if (__IsInit() == false)
346 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioInput");
348 if (callback.onStream == NULL)
349 __mIsUsedSyncRead = true;
351 __mIsUsedSyncRead = false;
352 AUDIO_IO_LOGD("__mIsUsedSyncRead = %d", __mIsUsedSyncRead);
354 CAudioIO::setStreamCallback(callback);
357 size_t CAudioInput::read(void* buffer, size_t length) {
358 if (__IsInit() == false || __IsReady() == false)
359 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
360 "Did not initialize or prepare CAudioInput");
363 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
364 "Parameters are NULL buffer:%p", buffer);
366 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING)
367 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
368 "Can't read if not in Running state");
370 /* Checks synchronous flag */
371 if (__mIsUsedSyncRead == false)
372 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
373 "Invalid operation of read() if receive stream callback");
380 // If another thread did call unprepare, do not read
381 if (mpPulseAudioClient == NULL)
382 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
383 "Did not initialize CPulseAudioClient");
385 // Block until read done
386 ret = mpPulseAudioClient->read(buffer, length);
390 } catch (CAudioError& e) {
398 int CAudioInput::peek(const void** buffer, size_t* length) {
399 if (__IsInit() == false || __IsReady() == false)
400 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
401 "Did not initialize or prepare CAudioInput");
403 if (buffer == NULL || length == NULL)
404 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
405 "Parameters are NULL buffer:%p, length:%p", buffer, length);
407 /* Checks synchronous flag */
408 if (__mIsUsedSyncRead == true)
409 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
410 "Invalid operation of peek() if does not receive a stream callback");
412 return mpPulseAudioClient->peek(buffer, length);
415 int CAudioInput::drop() {
416 if (__IsInit() == false || __IsReady() == false)
417 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
418 "Did not initialize or prepare CAudioInput");
420 /* Checks synchronous flag */
421 if (__mIsUsedSyncRead == true)
422 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
423 "Invalid operation of drop() if does not receive a stream callback");
425 return mpPulseAudioClient->drop();