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;
36 CAudioOutput::CAudioOutput(
37 unsigned int sampleRate,
38 CAudioInfo::EChannel channel,
39 CAudioInfo::ESampleType sampleType,
40 CAudioInfo::EAudioType audioType) :
41 __mIsUsedSyncWrite(false),
43 mDirection = CAudioInfo::EAudioDirection::AUDIO_DIRECTION_OUT;
44 mAudioInfo = CAudioInfo(sampleRate, channel, sampleType, audioType, -1);
47 CAudioOutput::~CAudioOutput() {
50 void CAudioOutput::onStream(CPulseAudioClient* pClient, size_t length) {
54 * Does not call CAudioIO::onStream() for synchronization
55 * if a user is using write()
57 if (__mIsUsedSyncWrite == true) {
58 #ifdef _AUDIO_IO_DEBUG_TIMING_
59 AUDIO_IO_LOGD("Sync Write Mode! - signal! - pClient:[%p], length:[%d]", pClient, length);
66 * Accrues callback function
68 #ifdef _AUDIO_IO_DEBUG_TIMING_
69 AUDIO_IO_LOGD("pClient:[%p], length:[%d]", pClient, length);
71 CAudioIO::onStream(pClient, length);
74 void CAudioOutput::__setInit(bool flag) {
78 bool CAudioOutput::__IsInit() {
79 return (CAudioIO::isInit() == true && __mIsInit == true);
82 bool CAudioOutput::__IsReady() {
83 return CAudioIO::IsReady();
86 void CAudioOutput::initialize() {
87 if (__IsInit() == true)
91 CAudioIO::initialize();
93 } catch (CAudioError& e) {
98 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
101 void CAudioOutput::finalize() {
102 if (__IsInit() == false) {
103 AUDIO_IO_LOGD("Did not initialize");
107 CAudioIO::finalize();
112 void CAudioOutput::prepare() {
113 if (__IsInit() == false)
114 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioOutput");
116 if (__IsReady() == true) {
117 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 CPulseStreamSpec spec(streamSpec, mAudioInfo);
144 mpPulseAudioClient = new CPulseAudioClient(CPulseAudioClient::EStreamDirection::STREAM_DIRECTION_PLAYBACK, spec, this);
145 mpPulseAudioClient->initialize();
146 #ifndef DISABLE_MOBILE_BACK_COMP
147 /* Uncork stream which is created with CORKED flag */
148 mpPulseAudioClient->cork(false);
153 } catch (CAudioError& e) {
154 SAFE_FINALIZE(mpPulseAudioClient);
155 SAFE_DELETE(mpPulseAudioClient);
158 } catch (const std::bad_alloc&) {
160 THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed to allocate CPulseAudioClient object");
164 void CAudioOutput::unprepare() {
165 if (__IsInit() == false)
166 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
167 "Did not initialize CAudioOutput");
169 if (__IsReady() == false) {
170 AUDIO_IO_LOGD("Already unprepared");
174 CAudioIO::unprepare();
178 if (mpPulseAudioClient && mpPulseAudioClient->isInThread())
179 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't unprepare inside pulseaudio thread");
180 SAFE_FINALIZE(mpPulseAudioClient);
181 SAFE_DELETE(mpPulseAudioClient);
183 } catch (CAudioError& e) {
188 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
191 void CAudioOutput::pause() {
192 if (__IsInit() == false || __IsReady() == false)
193 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
194 "Did not initialize or prepare CAudioOutput");
196 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING)
197 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_STATE,
198 "Can't pause if not in Running state");
200 if (mpPulseAudioClient->isInThread() == true)
201 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't pause in thread");
204 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED);
207 void CAudioOutput::resume() {
208 if (__IsInit() == false || __IsReady() == false)
209 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
210 "Did not initialize or prepare CAudioOutput");
212 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED)
213 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_STATE,
214 "Can't resume if not in Paused state");
216 if (mpPulseAudioClient->isInThread() == true)
217 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't resume in thread");
220 CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING);
223 void CAudioOutput::drain() {
224 if (__IsInit() == false || __IsReady() == false)
225 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
226 "Did not initialize or prepare CAudioOutput");
228 if (mStreamCallback.onStream)
229 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION, "async type don't support drain");
234 void CAudioOutput::flush() {
235 if (__IsInit() == false || __IsReady() == false)
236 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
237 "Did not initialize or prepare CAudioOutput");
242 int CAudioOutput::getBufferSize() {
243 if (__IsInit() == false)
244 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
245 "Did not initialize or prepare CAudioOutput");
247 /* FIXME : return calculated size here to satisfy backward compatibility */
248 return (mAudioInfo.getSampleRate() * DEFAULT_PERIOD_SIZE) / 1000 * mAudioInfo.getSampleSize();
251 size_t CAudioOutput::write(const void* buffer, size_t length) {
252 if (__IsInit() == false || __IsReady() == false)
253 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
254 "Did not initialize or prepare CAudioOutput");
257 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
258 "Parameters are invalid - buffer:%p, length:%zu", buffer, length);
260 if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING)
261 THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
262 "Can't write if not in Running state");
264 /* When write() is called in PulseAudio callback, bypass a pcm data to CPulseAudioClient (For Asynchronous) */
265 if (mpPulseAudioClient && mpPulseAudioClient->isInThread() == true) {
266 int ret = mpPulseAudioClient->write(buffer, length);
268 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION,
269 "The written result is invalid ret:%d", ret);
270 #ifdef _AUDIO_IO_DEBUG_TIMING_
271 AUDIO_IO_LOGD("CPulseAudioClient->write(buffer:%p, length:%d)", buffer, length);
277 /* For synchronization */
280 // If another thread did call unprepare, do not write
281 if (mpPulseAudioClient == NULL)
282 THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
283 "Did not initialize CPulseAudioClient");
285 // Sets synchronous flag
286 __mIsUsedSyncWrite = true;
288 size_t lengthIter = length;
290 while (lengthIter > 0) {
293 while ((l = mpPulseAudioClient->getWritableSize()) == 0) {
294 #ifdef _AUDIO_IO_DEBUG_TIMING_
295 AUDIO_IO_LOGD("writableSize is [%d].. wait", l);
303 #ifdef _AUDIO_IO_DEBUG_TIMING_
304 AUDIO_IO_LOGD("CPulseAudioClient->write(buffer:%p, length:%d)", buffer, l);
307 int ret = mpPulseAudioClient->write(buffer, l);
309 THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION,
310 "The written result is invalid ret:%d", ret);
312 buffer = static_cast<const uint8_t*>(buffer) + l;
314 } // End of while (length > 0)
316 __mIsUsedSyncWrite = false;
320 } catch (CAudioError& e) {
321 __mIsUsedSyncWrite = false;