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.
19 #include "CAudioIODef.h"
22 using namespace tizen_media_audio;
28 CAudioOutput::CAudioOutput(CAudioInfo& info) :
30 __mIsUsedSyncWrite(false) {
33 CAudioOutput::CAudioOutput(
34 unsigned int sampleRate,
35 CAudioInfo::EChannel channel,
36 CAudioInfo::ESampleType sampleType,
37 CAudioInfo::EAudioType audioType) :
38 __mIsUsedSyncWrite(false) {
39 mAudioInfo = CAudioInfo(sampleRate, channel, sampleType, audioType, -1);
42 CAudioOutput::~CAudioOutput() {
46 void CAudioOutput::onStream(CPulseAudioClient* pClient, size_t length) {
50 * Does not call CAudioIO::onStream() for synchronization
51 * if a user is using write()
53 if (__mIsUsedSyncWrite == true) {
54 #ifdef _AUDIO_IO_DEBUG_TIMING_
55 AUDIO_IO_LOGD("Sync Write Mode! - signal! - pClient:[%p], length:[%d]", pClient, length);
62 * Accrues callback function
64 #ifdef _AUDIO_IO_DEBUG_TIMING_
65 AUDIO_IO_LOGD("pClient:[%p], length:[%d]", pClient, length);
67 CAudioIO::onStream(pClient, length);
70 void CAudioOutput::onInterrupt(CAudioSessionHandler* pHandler, int id, mm_sound_focus_type_e focus_type, mm_sound_focus_state_e state, const char *reason_for_change, const char *additional_info) {
72 AUDIO_IO_LOGD("[pHandler:0x%x], [focus_type:%d], [state:%d], [reason_for_change:%s], [additional_info:%s]", pHandler, focus_type, state, reason_for_change, additional_info);
73 CAudioIO::onInterrupt(pHandler, id, focus_type, state, reason_for_change, additional_info);
76 void CAudioOutput::onSignal(CAudioSessionHandler* pHandler, mm_sound_signal_name_t signal, int value) {
78 AUDIO_IO_LOGD("[pHandler:0x%x], [signal:%d], [value:%d]", pHandler, signal, value);
79 CAudioIO::onSignal(pHandler, signal, value);
82 void CAudioOutput::__setInit(bool flag) {
86 bool CAudioOutput::__IsInit() {
87 return (CAudioIO::isInit() == true && __mIsInit == true);
90 bool CAudioOutput::__IsReady() {
91 return CAudioIO::IsReady();
94 void CAudioOutput::initialize() throw (CAudioError) {
95 if (__IsInit() == true) {
100 CAudioIO::initialize();
102 // Create ASM Handler
103 mpAudioSessionHandler = new CAudioSessionHandler(CAudioSessionHandler::EAudioSessionType::AUDIO_SESSION_TYPE_PLAYBACK, mAudioInfo, this);
104 if (mpAudioSessionHandler == NULL) {
105 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed to allocate CAudioSessionHandler object");
108 // Initialize ASM Handler
109 mpAudioSessionHandler->initialize();
112 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
113 } catch (CAudioError err) {
119 void CAudioOutput::finalize() {
120 if (__IsInit() == false) {
121 AUDIO_IO_LOGD("Did not initialize");
125 SAFE_FINALIZE(mpAudioSessionHandler);
126 SAFE_DELETE(mpAudioSessionHandler);
128 CAudioIO::finalize();
133 void CAudioOutput::prepare() throw (CAudioError) {
134 if (__IsInit() == false) {
135 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioOutput");
138 if (__IsReady() == true) {
139 AUDIO_IO_LOGD("Already prepared CAudioOutput");
146 // Check to invalid AudioType
147 CAudioInfo::EAudioType audioType = mAudioInfo.getAudioType();
148 if (audioType < CAudioInfo::EAudioType::AUDIO_OUT_TYPE_MEDIA || audioType >= CAudioInfo::EAudioType::AUDIO_TYPE_MAX) {
149 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT, "The audioType is invalid [type:%d]", static_cast<int>(audioType));
152 if (mpAudioSessionHandler->getId() < 0) { //Did not registerSound()
153 if (isForceIgnore() == false) {
154 // Register ASM Listener
155 AUDIO_IO_LOGD("Register ASM Listener");
156 mpAudioSessionHandler->registerSound();
161 AUDIO_IO_LOGD("Set Stream Spec : CPulseStreamSpec::STREAM_LATENCY_OUTPUT_MID");
162 CPulseStreamSpec::EStreamLatency streamSpec = CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_OUTPUT_MID;
163 CPulseStreamSpec spec(streamSpec, mAudioInfo);
165 // Create PulseAudio Handler
166 mpPulseAudioClient = new CPulseAudioClient(CPulseAudioClient::EStreamDirection::STREAM_DIRECTION_PLAYBACK, spec, this);
167 if (mpPulseAudioClient == NULL) {
168 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed to allocate CPulseAudioClient object");
171 // Initialize PulseAudio Handler
172 mpPulseAudioClient->initialize();
174 if (isForceIgnore() == false && mpAudioSessionHandler->isSkipSessionEvent() == false) {
175 /* Updates ASM to PLAYING */
176 mpAudioSessionHandler->updatePlaying();
182 } catch (CAudioError e) {
188 void CAudioOutput::unprepare() throw (CAudioError) {
189 if (__IsInit() == false) {
190 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioOutput");
193 if (__IsReady() == false) {
194 AUDIO_IO_LOGD("Already unprepared");
199 CAudioIO::unprepare();
203 SAFE_FINALIZE(mpPulseAudioClient);
204 SAFE_DELETE(mpPulseAudioClient);
206 if (mpAudioSessionHandler->getId() >= 0) {
207 /* Updates ASM to STOP */
208 if (isForceIgnore() == false && mpAudioSessionHandler->isSkipSessionEvent() == false) {
209 mpAudioSessionHandler->updateStop();
212 bool isSkip = mpAudioSessionHandler->isSkipSessionEvent();
213 if (isSkip == false) {
214 mpAudioSessionHandler->unregisterSound();
220 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
221 } catch (CAudioError e) {
227 void CAudioOutput::pause() throw (CAudioError) {
228 if (__IsInit() == false || __IsReady() == false) {
229 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize or prepare CAudioOutput");
237 /* Updates ASM to STOP */
238 if (isForceIgnore() == false && mpAudioSessionHandler->isSkipSessionEvent() == false) {
239 mpAudioSessionHandler->updateStop();
244 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED);
245 } catch (CAudioError e) {
251 void CAudioOutput::resume() throw (CAudioError) {
252 if (__IsInit() == false || __IsReady() == false) {
253 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize or prepare CAudioOutput");
259 if (isForceIgnore() == false && mpAudioSessionHandler->isSkipSessionEvent() == false) {
261 /* Updates ASM to PLAYING */
262 mpAudioSessionHandler->updatePlaying();
269 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING);
270 } catch (CAudioError e) {
276 void CAudioOutput::drain() throw (CAudioError) {
277 if (__IsInit() == false || __IsReady() == false) {
278 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize or prepare CAudioOutput");
283 } catch (CAudioError e) {
288 void CAudioOutput::flush() throw (CAudioError) {
289 if (__IsInit() == false || __IsReady() == false) {
290 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize or prepare CAudioOutput");
295 } catch (CAudioError e) {
300 int CAudioOutput::getBufferSize() throw (CAudioError) {
301 if (__IsInit() == false) {
302 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioOutput");
305 if (__IsReady() == false) {
306 AUDIO_IO_LOGD("Warning: Did not prepare CAudioOutput, then return zero");
313 size = mpPulseAudioClient->getBufferSize();
314 } catch (CAudioError err) {
321 size_t CAudioOutput::write(const void* buffer, size_t length) throw (CAudioError) {
322 if (__IsInit() == false || __IsReady() == false) {
323 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize or prepare CAudioOutput");
326 if (buffer == NULL) {
327 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT, "Parameters are invalid - buffer:%p, length:%zu", buffer, length);
330 /* When write() is called in PulseAudio callback, bypass a pcm data to PulseAudioClient (For Asynchronous) */
331 if (mpPulseAudioClient->isInThread() == true) {
332 int ret = mpPulseAudioClient->write(buffer, length);
339 /* For synchronization */
342 // Sets synchronous flag
343 __mIsUsedSyncWrite = true;
345 size_t lengthIter = length;
347 while (lengthIter > 0) {
350 while ((l = mpPulseAudioClient->getWritableSize()) == 0) {
351 #ifdef _AUDIO_IO_DEBUG_TIMING_
352 AUDIO_IO_LOGD("writableSize is [%d].. wait", l);
357 if (l > lengthIter) {
361 #ifdef _AUDIO_IO_DEBUG_TIMING_
362 AUDIO_IO_LOGD("PulseAudioClient->write(buffer:%p, length:%d)", buffer, l);
365 int r = mpPulseAudioClient->write(buffer, l);
367 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION, "The written result is invalid ret:%d", r);
370 buffer = static_cast<const uint8_t*>(buffer) + l;
372 } // End of while (length > 0)
374 // Unsets synchronous flag
375 __mIsUsedSyncWrite = false;
377 } catch (CAudioError e) {
378 // Unsets synchronous flag
379 __mIsUsedSyncWrite = false;