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)
196 if (__IsPrivilegeAllowed() == false)
197 THROW_ERROR_MSG(CAudioError::EError::ERROR_PERMISSION_DENIED, "No privilege for record");
200 CAudioIO::initialize();
202 } catch (CAudioError& e) {
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&) {
262 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed to allocate CPulseAudioClient object");
267 void CAudioInput::unprepare() {
268 if (__IsInit() == false)
269 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
270 "Did not initialize CAudioInput");
272 if (__IsReady() == false) {
273 AUDIO_IO_LOGD("Already unprepared");
277 CAudioIO::unprepare();
281 if (mpPulseAudioClient && mpPulseAudioClient->isInThread())
282 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't unprepare inside pulseaudio thread");
283 SAFE_FINALIZE(mpPulseAudioClient);
284 SAFE_DELETE(mpPulseAudioClient);
286 } catch (CAudioError& e) {
291 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
294 void CAudioInput::pause() {
295 if (__IsInit() == false || __IsReady() == false)
296 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
297 "Did not initialize or prepare CAudioInput");
299 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING)
300 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_STATE,
301 "Can't pause if not in Running state");
303 if (mpPulseAudioClient->isInThread() == true)
304 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't pause in thread");
307 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED);
310 void CAudioInput::resume() {
311 if (__IsInit() == false || __IsReady() == false)
312 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
313 "Did not initialize or prepare CAudioInput");
315 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED)
316 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_STATE,
317 "Can't resume if not in Paused state");
319 if (mpPulseAudioClient->isInThread() == true)
320 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't resume in thread");
323 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING);
326 void CAudioInput::drain() {
327 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_SUPPORTED, "Did not support drain of CAudioInput");
330 void CAudioInput::flush() {
331 if (__IsInit() == false || __IsReady() == false)
332 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
333 "Did not initialize or prepare CAudioInput");
338 int CAudioInput::getBufferSize() {
339 if (__IsInit() == false)
340 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioInput");
342 /* FIXME : return calculated size here to satisfy backward compatibility */
343 return (mAudioInfo.getSampleRate() * DEFAULT_PERIOD_SIZE) / 1000 * mAudioInfo.getSampleSize();
346 void CAudioInput::setStreamCallback(SStreamCallback callback) {
347 if (__IsInit() == false)
348 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioInput");
350 if (callback.onStream == NULL)
351 __mIsUsedSyncRead = true;
353 __mIsUsedSyncRead = false;
354 AUDIO_IO_LOGD("__mIsUsedSyncRead = %d", __mIsUsedSyncRead);
356 CAudioIO::setStreamCallback(callback);
359 size_t CAudioInput::read(void* buffer, size_t length) {
360 if (__IsInit() == false || __IsReady() == false)
361 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
362 "Did not initialize or prepare CAudioInput");
365 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
366 "Parameters are NULL buffer:%p", buffer);
368 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING)
369 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
370 "Can't read if not in Running state");
372 /* Checks synchronous flag */
373 if (__mIsUsedSyncRead == false)
374 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
375 "Invalid operation of read() if receive stream callback");
382 // If another thread did call unprepare, do not read
383 if (mpPulseAudioClient == NULL)
384 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
385 "Did not initialize CPulseAudioClient");
387 // Block until read done
388 ret = mpPulseAudioClient->read(buffer, length);
392 } catch (CAudioError& e) {
400 int CAudioInput::peek(const void** buffer, size_t* length) {
401 if (__IsInit() == false || __IsReady() == false)
402 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
403 "Did not initialize or prepare CAudioInput");
405 if (buffer == NULL || length == NULL)
406 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
407 "Parameters are NULL buffer:%p, length:%p", buffer, length);
409 /* Checks synchronous flag */
410 if (__mIsUsedSyncRead == true)
411 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
412 "Invalid operation of peek() if does not receive a stream callback");
414 return mpPulseAudioClient->peek(buffer, length);
417 int CAudioInput::drop() {
418 if (__IsInit() == false || __IsReady() == false)
419 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
420 "Did not initialize or prepare CAudioInput");
422 /* Checks synchronous flag */
423 if (__mIsUsedSyncRead == true)
424 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
425 "Invalid operation of drop() if does not receive a stream callback");
427 return mpPulseAudioClient->drop();