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"
24 using namespace tizen_media_audio;
29 CAudioOutput::CAudioOutput(CAudioInfo& info) :
31 __mIsUsedSyncWrite(false),
33 mDirection = CAudioInfo::EAudioDirection::AUDIO_DIRECTION_OUT;
37 CAudioOutput::CAudioOutput(
38 unsigned int sampleRate,
39 CAudioInfo::EChannel channel,
40 CAudioInfo::ESampleType sampleType,
41 CAudioInfo::EAudioType audioType) :
42 __mIsUsedSyncWrite(false),
44 mDirection = CAudioInfo::EAudioDirection::AUDIO_DIRECTION_OUT;
45 mAudioInfo = CAudioInfo(sampleRate, channel, sampleType, audioType, -1);
49 CAudioOutput::~CAudioOutput() {
52 void CAudioOutput::onStream(CPulseAudioClient* pClient, size_t length) {
56 * Does not call CAudioIO::onStream() for synchronization
57 * if a user is using write()
59 if (__mIsUsedSyncWrite == true) {
60 #ifdef _AUDIO_IO_DEBUG_TIMING_
61 AUDIO_IO_LOGD("Sync Write Mode! - signal! - pClient:[%p], length:[%zu]", pClient, length);
68 * Accrues callback function
70 #ifdef _AUDIO_IO_DEBUG_TIMING_
71 AUDIO_IO_LOGD("pClient:[%p], length:[%zu]", pClient, length);
73 CAudioIO::onStream(pClient, length);
76 void CAudioOutput::__setInit(bool flag) {
80 bool CAudioOutput::__IsInit() {
81 return (CAudioIO::isInit() == true && __mIsInit == true);
84 bool CAudioOutput::__IsReady() {
85 return CAudioIO::IsReady();
88 void CAudioOutput::initialize() {
89 if (__IsInit() == true)
93 CAudioIO::initialize();
95 } catch (CAudioError& e) {
100 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
103 void CAudioOutput::finalize() {
104 if (__IsInit() == false) {
105 AUDIO_IO_LOGD("Did not initialize");
109 CAudioIO::finalize();
114 void CAudioOutput::prepare() {
115 if (__IsInit() == false)
116 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioOutput");
118 if (__IsReady() == true) {
119 AUDIO_IO_LOGD("Already prepared CAudioOutput");
124 /* Check invalid AudioType */
125 CAudioInfo::EAudioType audioType = mAudioInfo.getAudioType();
126 if (audioType < CAudioInfo::EAudioType::AUDIO_OUT_TYPE_MEDIA ||
127 audioType >= CAudioInfo::EAudioType::AUDIO_TYPE_MAX)
128 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
129 "The audioType is invalid [type:%d]", static_cast<int>(audioType));
132 /* Init StreamSpec */
133 CPulseStreamSpec::EStreamLatency streamSpec = CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT;
134 #ifndef DISABLE_MOBILE_BACK_COMP
135 if (!mStreamCallback.onStream) {
136 AUDIO_IO_LOGD("Set Stream Spec : CPulseStreamSpec::STREAM_LATENCY_OUTPUT_DEFAULT");
137 streamSpec = CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT;
139 AUDIO_IO_LOGD("Set Stream Spec : CPulseStreamSpec::STREAM_LATENCY_OUTPUT_DEFAULT_ASYNC");
140 streamSpec = CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT_ASYNC;
143 /* Override the default value by audio type */
144 if (audioType == CAudioInfo::EAudioType::AUDIO_OUT_TYPE_VOIP)
145 streamSpec = CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_OUTPUT_VOIP;
147 CPulseStreamSpec spec(streamSpec, mAudioInfo);
150 mpPulseAudioClient = new CPulseAudioClient(CPulseAudioClient::EStreamDirection::STREAM_DIRECTION_PLAYBACK, spec, this);
151 mpPulseAudioClient->initialize();
152 #ifndef DISABLE_MOBILE_BACK_COMP
153 /* Uncork stream which is created with CORKED flag */
154 mpPulseAudioClient->cork(false);
159 } catch (CAudioError& e) {
160 SAFE_FINALIZE(mpPulseAudioClient);
161 SAFE_DELETE(mpPulseAudioClient);
164 } catch (const std::bad_alloc&) {
167 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed to allocate CPulseAudioClient object");
172 void CAudioOutput::unprepare() {
173 if (__IsInit() == false)
174 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
175 "Did not initialize CAudioOutput");
177 if (__IsReady() == false) {
178 AUDIO_IO_LOGD("Already unprepared");
182 CAudioIO::unprepare();
186 if (mpPulseAudioClient && mpPulseAudioClient->isInThread())
187 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't unprepare inside pulseaudio thread");
188 SAFE_FINALIZE(mpPulseAudioClient);
189 SAFE_DELETE(mpPulseAudioClient);
191 } catch (CAudioError& e) {
196 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
199 void CAudioOutput::pause() {
200 if (__IsInit() == false || __IsReady() == false)
201 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
202 "Did not initialize or prepare CAudioOutput");
204 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING)
205 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_STATE,
206 "Can't pause if not in Running state");
208 if (mpPulseAudioClient->isInThread() == true)
209 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't pause in thread");
212 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED);
215 void CAudioOutput::resume() {
216 if (__IsInit() == false || __IsReady() == false)
217 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
218 "Did not initialize or prepare CAudioOutput");
220 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED)
221 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_STATE,
222 "Can't resume if not in Paused state");
224 if (mpPulseAudioClient->isInThread() == true)
225 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't resume in thread");
228 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING);
231 void CAudioOutput::drain() {
232 if (__IsInit() == false || __IsReady() == false)
233 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
234 "Did not initialize or prepare CAudioOutput");
236 if (mStreamCallback.onStream)
237 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION, "async type don't support drain");
242 void CAudioOutput::flush() {
243 if (__IsInit() == false || __IsReady() == false)
244 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
245 "Did not initialize or prepare CAudioOutput");
250 int CAudioOutput::getBufferSize() {
251 if (__IsInit() == false)
252 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
253 "Did not initialize or prepare CAudioOutput");
255 /* FIXME : return calculated size here to satisfy backward compatibility */
256 return (mAudioInfo.getSampleRate() * DEFAULT_PERIOD_SIZE) / 1000 * mAudioInfo.getSampleSize();
259 size_t CAudioOutput::write(const void* buffer, size_t length) {
260 if (__IsInit() == false || __IsReady() == false)
261 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
262 "Did not initialize or prepare CAudioOutput");
265 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
266 "Parameters are invalid - buffer:%p, length:%zu", buffer, length);
268 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING)
269 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
270 "Can't write if not in Running state");
272 /* When write() is called in PulseAudio callback, bypass a pcm data to CPulseAudioClient (For Asynchronous) */
273 if (mpPulseAudioClient && mpPulseAudioClient->isInThread() == true) {
274 int ret = mpPulseAudioClient->write(buffer, length);
276 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION,
277 "The written result is invalid ret:%d", ret);
278 #ifdef _AUDIO_IO_DEBUG_TIMING_
279 AUDIO_IO_LOGD("CPulseAudioClient->write(buffer:%p, length:%zu)", buffer, length);
285 /* For synchronization */
288 // If another thread did call unprepare, do not write
289 if (mpPulseAudioClient == NULL)
290 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
291 "Did not initialize CPulseAudioClient");
293 // Sets synchronous flag
294 __mIsUsedSyncWrite = true;
296 size_t lengthIter = length;
298 while (lengthIter > 0) {
301 while ((l = mpPulseAudioClient->getWritableSize()) == 0) {
302 #ifdef _AUDIO_IO_DEBUG_TIMING_
303 AUDIO_IO_LOGD("writableSize is [%zu].. wait", l);
311 #ifdef _AUDIO_IO_DEBUG_TIMING_
312 AUDIO_IO_LOGD("CPulseAudioClient->write(buffer:%p, length:%zu)", buffer, l);
315 int ret = mpPulseAudioClient->write(buffer, l);
317 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION,//LCOV_EXCL_LINE
318 "The written result is invalid ret:%d", ret); //LCOV_EXCL_LINE
320 buffer = static_cast<const uint8_t*>(buffer) + l;
322 } // End of while (length > 0)
324 __mIsUsedSyncWrite = false;
328 } catch (CAudioError& e) {
329 __mIsUsedSyncWrite = false;