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 "CAudioIODef.h"
25 using namespace tizen_media_audio;
27 static constexpr auto cond_wait_ms = 200ms;
28 static constexpr auto writable_timeout_s = 5s;
34 CAudioOutput::CAudioOutput(CAudioInfo& info) :
36 __mIsUsedSyncWrite(false),
38 mDirection = CAudioInfo::EAudioDirection::AUDIO_DIRECTION_OUT;
41 void CAudioOutput::onStream(CPulseAudioClient* pClient, size_t length) {
45 * Does not call CAudioIO::onStream() for synchronization
46 * if a user is using write()
48 if (__mIsUsedSyncWrite) {
49 #ifdef _AUDIO_IO_DEBUG_TIMING_
50 AUDIO_IO_LOGD("Sync Write Mode! - signal! - pClient:[%p], length:[%zu]", pClient, length);
52 { /* NOTE: this block needs to unlock right after lock */
53 std::lock_guard<std::mutex> cond_guard(mCondMutex);
60 * Accrues callback function
62 #ifdef _AUDIO_IO_DEBUG_TIMING_
63 AUDIO_IO_LOGD("pClient:[%p], length:[%zu]", pClient, length);
65 CAudioIO::onStream(pClient, length);
68 void CAudioOutput::__setInit(bool flag) noexcept {
72 bool CAudioOutput::__IsInit() noexcept {
73 return (CAudioIO::isInit() && __mIsInit);
76 bool CAudioOutput::__IsReady() noexcept {
77 return CAudioIO::IsReady();
80 void CAudioOutput::initialize() {
85 CAudioIO::initialize();
87 } catch (const CAudioError& e) {
94 CAudioIO::setState(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
95 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
98 void CAudioOutput::finalize() {
100 AUDIO_IO_LOGD("Did not initialize");
104 CAudioIO::finalize();
108 void CAudioOutput::prepare() {
109 std::lock_guard<std::mutex> mutex(mMutex);
112 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioOutput"); //LCOV_EXCL_LINE
116 AUDIO_IO_LOGD("Already prepared CAudioOutput");
122 /* Check invalid AudioType */
123 CAudioInfo::EAudioType audioType = mAudioInfo.getAudioType();
124 if (audioType < CAudioInfo::EAudioType::AUDIO_OUT_TYPE_MEDIA ||
125 audioType >= CAudioInfo::EAudioType::AUDIO_TYPE_MAX)
126 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
127 "The audioType is invalid [type:%d]", static_cast<int>(audioType));
130 /* Init StreamSpec */
131 CPulseStreamSpec::EStreamLatency streamSpec = CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT;
132 #ifndef DISABLE_MOBILE_BACK_COMP
133 if (!mStreamCallback.onStream) {
134 AUDIO_IO_LOGD("Set Stream Spec : CPulseStreamSpec::STREAM_LATENCY_OUTPUT_DEFAULT");
135 streamSpec = CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT;
137 AUDIO_IO_LOGD("Set Stream Spec : CPulseStreamSpec::STREAM_LATENCY_OUTPUT_DEFAULT_ASYNC");
138 streamSpec = CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT_ASYNC;
141 /* Override the default value by audio type */
142 if (audioType == CAudioInfo::EAudioType::AUDIO_OUT_TYPE_VOIP)
143 streamSpec = CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_OUTPUT_VOIP;
144 else if (audioType == CAudioInfo::EAudioType::AUDIO_OUT_TYPE_MEDIA_NETWORK_SOURCE)
145 streamSpec = CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_OUTPUT_HIGH;
147 CPulseStreamSpec spec(streamSpec, mAudioInfo);
149 mpPulseAudioClient = new CPulseAudioClient(CPulseAudioClient::EStreamDirection::STREAM_DIRECTION_PLAYBACK,
151 mpPulseAudioClient->initialize();
152 #ifndef DISABLE_MOBILE_BACK_COMP
153 /* Uncork stream which is created with CORKED flag */
154 mpPulseAudioClient->cork(false);
158 } catch (const CAudioError& e) {
160 SAFE_FINALIZE(mpPulseAudioClient);
161 SAFE_DELETE(mpPulseAudioClient);
164 } catch (const std::bad_alloc&) {
165 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed to allocate CPulseAudioClient object");
169 void CAudioOutput::unprepare() {
170 std::unique_lock<std::mutex> mutex(mMutex);
173 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, //LCOV_EXCL_LINE
174 "Did not initialize CAudioOutput"); //LCOV_EXCL_LINE
177 AUDIO_IO_LOGD("Already unprepared");
181 CAudioIO::unprepare();
183 if (mpPulseAudioClient && mpPulseAudioClient->isInThread())
184 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't unprepare inside pulseaudio thread");
186 SAFE_FINALIZE(mpPulseAudioClient);
187 SAFE_DELETE(mpPulseAudioClient);
189 CAudioIO::setState(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
193 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
196 void CAudioOutput::pause() {
197 std::unique_lock<std::mutex> mutex(mMutex);
199 if (!__IsInit() || !__IsReady())
200 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, //LCOV_EXCL_LINE
201 "Did not initialize or prepare CAudioOutput"); //LCOV_EXCL_LINE
203 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING)
204 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_STATE,
205 "Can't pause if not in Running state");
207 if (mpPulseAudioClient->isInThread())
208 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't pause in thread"); //LCOV_EXCL_LINE
211 CAudioIO::setState(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED);
215 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED);
218 void CAudioOutput::resume() {
219 std::unique_lock<std::mutex> mutex(mMutex);
221 if (!__IsInit() || !__IsReady())
222 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, //LCOV_EXCL_LINE
223 "Did not initialize or prepare CAudioOutput"); //LCOV_EXCL_LINE
225 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED)
226 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_STATE,
227 "Can't resume if not in Paused state");
229 if (mpPulseAudioClient->isInThread())
230 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't resume in thread"); //LCOV_EXCL_LINE
233 CAudioIO::setState(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING);
237 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING);
240 void CAudioOutput::drain() {
241 std::lock_guard<std::mutex> mutex(mMutex);
243 if (!__IsInit() || !__IsReady())
244 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, //LCOV_EXCL_LINE
245 "Did not initialize or prepare CAudioOutput"); //LCOV_EXCL_LINE
247 if (mStreamCallback.onStream)
248 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION, "async type don't support drain");
250 mpPulseAudioClient->drain();
253 void CAudioOutput::flush() {
254 std::lock_guard<std::mutex> mutex(mMutex);
256 if (!__IsInit() || !__IsReady())
257 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, //LCOV_EXCL_LINE
258 "Did not initialize or prepare CAudioOutput"); //LCOV_EXCL_LINE
263 int CAudioOutput::getBufferSize() {
265 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, //LCOV_EXCL_LINE
266 "Did not initialize or prepare CAudioOutput"); //LCOV_EXCL_LINE
268 /* FIXME : return calculated size here to satisfy backward compatibility */
269 return (mAudioInfo.getSampleRate() * DEFAULT_PERIOD_SIZE) / 1000 * mAudioInfo.getSampleSize();
272 size_t CAudioOutput::write(const void* buffer, size_t length) {
273 std::unique_lock<std::mutex> mutex(mMutex, std::defer_lock);
275 if (mpPulseAudioClient && !mpPulseAudioClient->isInThread())
278 if (!__IsInit() || !__IsReady())
279 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, //LCOV_EXCL_LINE
280 "Did not initialize or prepare CAudioOutput"); //LCOV_EXCL_LINE
283 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
284 "Parameters are invalid - buffer:%p, length:%zu", buffer, length);
286 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING)
287 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
288 "Can't write if not in Running state");
290 /* When write() is called in PulseAudio callback, bypass a pcm data to CPulseAudioClient (For Asynchronous) */
291 if (mpPulseAudioClient && mpPulseAudioClient->isInThread()) {
292 int ret = mpPulseAudioClient->write(buffer, length);
294 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION,
295 "The written result is invalid ret:%d", ret);
296 #ifdef _AUDIO_IO_DEBUG_TIMING_
297 AUDIO_IO_LOGD("CPulseAudioClient->write(buffer:%p, length:%zu)", buffer, length);
304 // If another thread did call unprepare, do not write
305 if (!mpPulseAudioClient)
306 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, //LCOV_EXCL_LINE
307 "Did not initialize CPulseAudioClient"); //LCOV_EXCL_LINE
309 // Sets synchronous flag
310 __mIsUsedSyncWrite = true;
311 size_t lengthIter = length;
313 while (lengthIter > 0) {
315 unsigned int timeouts = 0;
317 while ((l = mpPulseAudioClient->getWritableSize()) == 0) {
318 #ifdef _AUDIO_IO_DEBUG_TIMING_
319 AUDIO_IO_LOGD("writableSize is [%zu].. wait", l);
321 std::unique_lock<std::mutex> cond_mutex(mCondMutex);
322 if (mCond.wait_for(cond_mutex, cond_wait_ms) == std::cv_status::timeout) {
324 AUDIO_IO_LOGW("[%2u] timeout expired for waiting %zu ms of write available...", ++timeouts,
325 static_cast<size_t>(std::chrono::duration_cast<std::chrono::milliseconds>(cond_wait_ms).count()));
326 if ((cond_wait_ms * timeouts) > writable_timeout_s)
327 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION,
328 "writable size is 0 for more than %zu seconds...",
329 static_cast<size_t>(std::chrono::duration_cast<std::chrono::seconds>(writable_timeout_s).count()));
337 #ifdef _AUDIO_IO_DEBUG_TIMING_
338 AUDIO_IO_LOGD("CPulseAudioClient->write(buffer:%p, length:%zu)", buffer, l);
341 int ret = mpPulseAudioClient->write(buffer, l);
343 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION,//LCOV_EXCL_LINE
344 "The written result is invalid ret:%d", ret); //LCOV_EXCL_LINE
346 buffer = static_cast<const uint8_t*>(buffer) + l;
348 } // End of while (length > 0)
350 __mIsUsedSyncWrite = false;
354 } catch (const CAudioError& e) {
355 __mIsUsedSyncWrite = false;