X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fcpp%2FCAudioOutput.cpp;h=f96f78fdbe9db2336ebd235758ab59af8797c9c5;hb=e80f5c2cd31f1f5c238b6a82849bd31b64107e7b;hp=e42cb286118ec448721df701b48fb00c9132f992;hpb=a742a76e1ce141317c5dbfbb472707801f0d91de;p=platform%2Fcore%2Fapi%2Faudio-io.git

diff --git a/src/cpp/CAudioOutput.cpp b/src/cpp/CAudioOutput.cpp
index e42cb28..f96f78f 100644
--- a/src/cpp/CAudioOutput.cpp
+++ b/src/cpp/CAudioOutput.cpp
@@ -15,29 +15,36 @@
  */
 
 
-#include <vconf.h>
+#include <new>
+
 #include "CAudioIODef.h"
+#include <sched.h>
 
 using namespace std;
 using namespace tizen_media_audio;
 
-
 /**
  * class CAudioOutput
  */
-CAudioOutput::CAudioOutput(CAudioInfo& info) : CAudioIO(info), mIsUsedSyncWrite(false) {
+CAudioOutput::CAudioOutput(CAudioInfo& info) :
+    CAudioIO(info),
+    __mIsUsedSyncWrite(false),
+    __mIsInit(false) {
+    mDirection = CAudioInfo::EAudioDirection::AUDIO_DIRECTION_OUT;
 }
 
 CAudioOutput::CAudioOutput(
         unsigned int            sampleRate,
         CAudioInfo::EChannel    channel,
         CAudioInfo::ESampleType sampleType,
-        CAudioInfo::EAudioType  audioType) : mIsUsedSyncWrite(false) {
+        CAudioInfo::EAudioType  audioType) :
+    __mIsUsedSyncWrite(false),
+    __mIsInit(false) {
+    mDirection = CAudioInfo::EAudioDirection::AUDIO_DIRECTION_OUT;
     mAudioInfo = CAudioInfo(sampleRate, channel, sampleType, audioType, -1);
 }
 
 CAudioOutput::~CAudioOutput() {
-
 }
 
 void CAudioOutput::onStream(CPulseAudioClient* pClient, size_t length) {
@@ -47,7 +54,7 @@ void CAudioOutput::onStream(CPulseAudioClient* pClient, size_t length) {
      * Does not call CAudioIO::onStream() for synchronization
      * if a user is using write()
      */
-    if (mIsUsedSyncWrite == true) {
+    if (__mIsUsedSyncWrite == true) {
 #ifdef _AUDIO_IO_DEBUG_TIMING_
         AUDIO_IO_LOGD("Sync Write Mode! - signal! - pClient:[%p], length:[%d]", pClient, length);
 #endif
@@ -64,32 +71,34 @@ void CAudioOutput::onStream(CPulseAudioClient* pClient, size_t length) {
     CAudioIO::onStream(pClient, length);
 }
 
-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) {
+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) {
     assert(pHandler);
-    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);
+    AUDIO_IO_LOGD("[pHandler:%p], [focus_type:%d], [state:%d], [reason_for_change:%s], [additional_info:%s]",
+                   pHandler, focus_type, state, reason_for_change, additional_info);
     CAudioIO::onInterrupt(pHandler, id, focus_type, state, reason_for_change, additional_info);
 }
 
 void CAudioOutput::onSignal(CAudioSessionHandler* pHandler, mm_sound_signal_name_t signal, int value) {
     assert(pHandler);
-    AUDIO_IO_LOGD("[pHandler:0x%x], [signal:%d], [value:%d]", pHandler, signal, value);
+    AUDIO_IO_LOGD("[pHandler:%p], [signal:%d], [value:%d]", pHandler, signal, value);
     CAudioIO::onSignal(pHandler, signal, value);
 }
 
-void CAudioOutput::setInit(bool flag) {
-    mIsInit = flag;
+void CAudioOutput::__setInit(bool flag) {
+    __mIsInit = flag;
 }
 
-bool CAudioOutput::IsInit() {
-    return (CAudioIO::isInit() == true && mIsInit == true);
+bool CAudioOutput::__IsInit() {
+    return (CAudioIO::isInit() == true && __mIsInit == true);
 }
 
-bool CAudioOutput::IsReady() {
+bool CAudioOutput::__IsReady() {
     return CAudioIO::IsReady();
 }
 
-void CAudioOutput::initialize() throw (CAudioError) {
-    if (IsInit() == true) {
+void CAudioOutput::initialize() {
+    if (__IsInit() == true) {
         return;
     }
 
@@ -97,24 +106,24 @@ void CAudioOutput::initialize() throw (CAudioError) {
         CAudioIO::initialize();
 
         // Create ASM Handler
-        mpAudioSessionHandler = new CAudioSessionHandler(CAudioSessionHandler::AUDIO_SESSION_TYPE_PLAYBACK, mAudioInfo, this);
-        if (mpAudioSessionHandler == NULL) {
-            THROW_ERROR_MSG(CAudioError::ERROR_OUT_OF_MEMORY, "Failed to allocate CAudioSessionHandler object");
-        }
+        mpAudioSessionHandler = new CAudioSessionHandler(CAudioSessionHandler::EAudioSessionType::AUDIO_SESSION_TYPE_PLAYBACK, mAudioInfo, this);
 
         // Initialize ASM Handler
         mpAudioSessionHandler->initialize();
 
-        setInit(true);
-        CAudioIO::onStateChanged(CAudioInfo::AUDIO_IO_STATE_IDLE);
-    } catch (CAudioError err) {
+        __setInit(true);
+        CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
+    } catch (CAudioError& e) {
         finalize();
-        throw err;
+        throw;
+    } catch (const std::bad_alloc&) {
+        finalize();
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed to allocate CAudioSessionHandler object");
     }
 }
 
 void CAudioOutput::finalize() {
-    if (IsInit() == false) {
+    if (__IsInit() == false) {
         AUDIO_IO_LOGD("Did not initialize");
         return;
     }
@@ -124,75 +133,101 @@ void CAudioOutput::finalize() {
 
     CAudioIO::finalize();
 
-    setInit(false);
+    __setInit(false);
 }
 
-void CAudioOutput::prepare() throw (CAudioError) {
-    if (IsInit() == false) {
-        THROW_ERROR_MSG(CAudioError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioOutput");
+void CAudioOutput::prepare() {
+    if (__IsInit() == false) {
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioOutput");
     }
 
-    if (IsReady() == true) {
+    if (__IsReady() == true) {
         AUDIO_IO_LOGD("Already prepared CAudioOutput");
+        CAudioIO::prepare();
         return;
     }
 
-    try {
-        internalLock();
-
-        // Check to invalid AudioType
-        CAudioInfo::EAudioType audioType = mAudioInfo.getAudioType();
-        if (audioType < CAudioInfo::AUDIO_OUT_TYPE_MEDIA || audioType >= CAudioInfo::AUDIO_TYPE_MAX) {
-            THROW_ERROR_MSG_FORMAT(CAudioError::ERROR_INVALID_ARGUMENT, "The audioType is invalid [type:%d]", static_cast<int>(audioType));
-        }
+    /* Check invalid AudioType */
+    CAudioInfo::EAudioType audioType = mAudioInfo.getAudioType();
+    if (audioType < CAudioInfo::EAudioType::AUDIO_OUT_TYPE_MEDIA || audioType >= CAudioInfo::EAudioType::AUDIO_TYPE_MAX) {
+        THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
+                               "The audioType is invalid [type:%d]", static_cast<int>(audioType));
+    }
 
-        if (mpAudioSessionHandler->getId() < 0) {  //Did not registerSound()
-            if (isForceIgnore() == false) {
-                // Register ASM Listener
+    try {
+        if (mpAudioSessionHandler->getId() < 0) {  // Did not registerSound()
+            if (isForceIgnore() == false && mpAudioSessionHandler->isSkipSession() == false) {
+                /* Register ASM Listener */
                 AUDIO_IO_LOGD("Register ASM Listener");
                 mpAudioSessionHandler->registerSound();
             }
         }
 
-        // Init StreamSpec
-        AUDIO_IO_LOGD("Set Stream Spec : CPulseStreamSpec::STREAM_LATENCY_OUTPUT_MID");
-        CPulseStreamSpec::EStreamLatency streamSpec = CPulseStreamSpec::STREAM_LATENCY_OUTPUT_MID;
-        CPulseStreamSpec spec(streamSpec, mAudioInfo);
+        CAudioIO::setInternalStreamInfo();
 
-        // Create PulseAudio Handler
-        mpPulseAudioClient = new CPulseAudioClient(CPulseAudioClient::STREAM_DIRECTION_PLAYBACK, spec, this);
-        if (mpPulseAudioClient == NULL) {
-            THROW_ERROR_MSG(CAudioError::ERROR_OUT_OF_MEMORY, "Failed to allocate CPulseAudioClient object");
+        if (isForceIgnore() == false && mpAudioSessionHandler->isSkipSession() == false)
+            mpAudioSessionHandler->updatePlaying();
+    } catch (CAudioError& e) {
+        throw;
+    }
+
+    try {
+        /* Init StreamSpec */
+        CPulseStreamSpec::EStreamLatency streamSpec = CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT;
+#ifndef DISABLE_MOBILE_BACK_COMP
+        if (!mStreamCallback.onStream) {
+            AUDIO_IO_LOGD("Set Stream Spec : CPulseStreamSpec::STREAM_LATENCY_OUTPUT_DEFAULT");
+            streamSpec = CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT;
+        } else {
+            AUDIO_IO_LOGD("Set Stream Spec : CPulseStreamSpec::STREAM_LATENCY_OUTPUT_DEFAULT_ASYNC");
+            streamSpec = CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT_ASYNC;
         }
+#endif
+        CPulseStreamSpec spec(streamSpec, mAudioInfo);
 
-        // Initialize PulseAudio Handler
-        mpPulseAudioClient->initialize();
+        internalLock();
 
-        if (isForceIgnore() == false && mpAudioSessionHandler->isSkipSessionEvent() == false) {
-            /* Updates ASM to PLAYING */
-            mpAudioSessionHandler->updatePlaying();
-        }
+        /* Create PulseAudio Handler */
+        mpPulseAudioClient = new CPulseAudioClient(CPulseAudioClient::EStreamDirection::STREAM_DIRECTION_PLAYBACK, spec, this);
 
+        /* Initialize PulseAudio Handler */
+        mpPulseAudioClient->initialize();
+#ifndef DISABLE_MOBILE_BACK_COMP
+        /* Uncork stream which is created with CORKED flag */
+        mpPulseAudioClient->cork(false);
+#endif
         internalUnlock();
 
         CAudioIO::prepare();
-    } catch (CAudioError e) {
+    } catch (CAudioError& e) {
+        SAFE_FINALIZE(mpPulseAudioClient);
+        SAFE_DELETE(mpPulseAudioClient);
+        internalUnlock();
+        throw;
+    } catch (const std::bad_alloc&) {
         internalUnlock();
-        throw e;
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed to allocate CPulseAudioClient object");
     }
 }
 
-void CAudioOutput::unprepare() throw (CAudioError) {
-    if (IsInit() == false) {
-        THROW_ERROR_MSG(CAudioError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioOutput");
+void CAudioOutput::unprepare() {
+    if (__IsInit() == false) {
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
+                        "Did not initialize CAudioOutput");
     }
 
-    if (IsReady() == false) {
+    if (__IsReady() == false) {
         AUDIO_IO_LOGD("Already unprepared");
         return;
     }
 
     try {
+        if (mpAudioSessionHandler->getId() >= 0 && !mIsInterrupted) {
+            if (isForceIgnore() == false && mpAudioSessionHandler->isSkipSession() == false) {
+                if (mStreamCallback.onStream == NULL)
+                    CAudioIO::drain();
+            }
+        }
         CAudioIO::unprepare();
 
         internalLock();
@@ -200,164 +235,159 @@ void CAudioOutput::unprepare() throw (CAudioError) {
         SAFE_FINALIZE(mpPulseAudioClient);
         SAFE_DELETE(mpPulseAudioClient);
 
-        if (mpAudioSessionHandler->getId() >= 0) {
-            /* Updates ASM to STOP */
-            if (isForceIgnore() == false && mpAudioSessionHandler->isSkipSessionEvent() == false) {
-                mpAudioSessionHandler->updateStop();
-            }
-
-            bool isSkip = mpAudioSessionHandler->isSkipSessionEvent();
-            if (isSkip == false) {
-                mpAudioSessionHandler->unregisterSound();
-            }
-        }
+        internalUnlock();
 
+    } catch (CAudioError& e) {
         internalUnlock();
+        throw;
+    }
 
-        CAudioIO::onStateChanged(CAudioInfo::AUDIO_IO_STATE_IDLE);
-    } catch (CAudioError e) {
+    try {
+        if (mpAudioSessionHandler->getId() >= 0) {
+            if (isForceIgnore() == false && mpAudioSessionHandler->isSkipSession() == false)
+                mpAudioSessionHandler->updateStop();
+        }
+        CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
+    } catch (CAudioError& e) {
         internalUnlock();
-        throw e;
+        throw;
     }
 }
 
-void CAudioOutput::pause() throw (CAudioError) {
-    if (IsInit() == false || IsReady() == false) {
-        THROW_ERROR_MSG(CAudioError::ERROR_NOT_INITIALIZED, "Did not initialize or prepare CAudioOutput");
+void CAudioOutput::pause() {
+    if (__IsInit() == false || __IsReady() == false) {
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
+                        "Did not initialize or prepare CAudioOutput");
     }
 
-    try {
-        CAudioIO::pause();
-
-        internalLock();
+    if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING) {
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_STATE,
+                        "Can't pause if not in Running state");
+    }
 
-        /* Updates ASM to STOP */
-        if (isForceIgnore() == false && mpAudioSessionHandler->isSkipSessionEvent() == false) {
-            mpAudioSessionHandler->updateStop();
-        }
+    if (mpPulseAudioClient->isInThread() == true) {
+        THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't pause in thread");
+    }
 
-        internalUnlock();
+    try {
+        CAudioIO::pause();
 
-        CAudioIO::onStateChanged(CAudioInfo::AUDIO_IO_STATE_PAUSED);
-    } catch (CAudioError e) {
-        internalUnlock();
-        throw e;
+        CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED);
+    } catch (CAudioError& e) {
+        throw;
     }
 }
 
-void CAudioOutput::resume() throw (CAudioError) {
-    if (IsInit() == false || IsReady() == false) {
-        THROW_ERROR_MSG(CAudioError::ERROR_NOT_INITIALIZED, "Did not initialize or prepare CAudioOutput");
+void CAudioOutput::resume() {
+    if (__IsInit() == false || __IsReady() == false) {
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
+                        "Did not initialize or prepare CAudioOutput");
     }
 
-    try {
-        internalLock();
-
-        if (isForceIgnore() == false && mpAudioSessionHandler->isSkipSessionEvent() == false) {
-
-            /* Updates ASM to PLAYING */
-            mpAudioSessionHandler->updatePlaying();
-        }
+    if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED) {
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_STATE,
+                        "Can't resume if not in Paused state");
+    }
 
-        internalUnlock();
+    if (mpPulseAudioClient->isInThread() == true) {
+        THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't resume in thread");
+    }
 
+    try {
         CAudioIO::resume();
-        CAudioIO::onStateChanged(CAudioInfo::AUDIO_IO_STATE_RUNNING);
-    } catch (CAudioError e) {
-        internalUnlock();
-        throw e;
+
+        CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING);
+    } catch (CAudioError& e) {
+        throw;
     }
 }
 
-void CAudioOutput::drain() throw (CAudioError) {
-    if (IsInit() == false || IsReady() == false) {
-        THROW_ERROR_MSG(CAudioError::ERROR_NOT_INITIALIZED, "Did not initialize or prepare CAudioOutput");
+void CAudioOutput::drain() {
+    if (__IsInit() == false || __IsReady() == false) {
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
+                        "Did not initialize or prepare CAudioOutput");
     }
 
+    if (mStreamCallback.onStream)
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION, "async type don't support drain");
+
     try {
         CAudioIO::drain();
-    } catch (CAudioError e) {
-        internalUnlock();
-        throw e;
+    } catch (CAudioError& e) {
+        throw;
     }
 }
 
-void CAudioOutput::flush() throw (CAudioError) {
-    if (IsInit() == false || IsReady() == false) {
-        THROW_ERROR_MSG(CAudioError::ERROR_NOT_INITIALIZED, "Did not initialize or prepare CAudioOutput");
+void CAudioOutput::flush() {
+    if (__IsInit() == false || __IsReady() == false) {
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
+                        "Did not initialize or prepare CAudioOutput");
     }
 
     try {
         CAudioIO::flush();
-    } catch (CAudioError e) {
-        internalUnlock();
-        throw e;
+    } catch (CAudioError& e) {
+        throw;
     }
 }
 
-int CAudioOutput::getBufferSize() throw (CAudioError) {
-    if (IsInit() == false) {
-        THROW_ERROR_MSG(CAudioError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioOutput");
-    }
-
-    if (IsReady() == false) {
-        AUDIO_IO_LOGD("Warning: Did not prepare CAudioOutput, then return zero");
-        return 0;
+int CAudioOutput::getBufferSize() {
+    if (__IsInit() == false) {
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
+                        "Did not initialize or prepare CAudioOutput");
     }
 
-    int size = 0;
-
-    try {
-        internalLock();
-        size = mpPulseAudioClient->getBufferSize();
-        internalUnlock();
-    } catch (CAudioError err) {
-        internalUnlock();
-        throw err;
-    }
-
-    return size;
+    /* FIXME : return calculated size here to satisfy backward compatibility */
+    return (mAudioInfo.getSampleRate() * DEFAULT_PERIOD_SIZE) / 1000 * mAudioInfo.getSampleSize();
 }
 
-size_t CAudioOutput::write(const void* buffer, size_t length) throw (CAudioError) {
-    if (IsInit() == false || IsReady() == false) {
-        THROW_ERROR_MSG(CAudioError::ERROR_NOT_INITIALIZED, "Did not initialize or prepare CAudioOutput");
+size_t CAudioOutput::write(const void* buffer, size_t length) {
+    if (__IsInit() == false || __IsReady() == false) {
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
+                        "Did not initialize or prepare CAudioOutput");
     }
 
     if (buffer == NULL) {
-        THROW_ERROR_MSG_FORMAT(CAudioError::ERROR_INVALID_ARGUMENT, "Parameters are invalid - buffer:%p, length:%zu", buffer, length);
+        THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
+                               "Parameters are invalid - buffer:%p, length:%zu", buffer, length);
     }
-
-    /*
-     * Check skip condition.
-     * If accessibility screen reader (VOICE type with NoSession), no need to check, always do write.
-     */
-    if (mpAudioSessionHandler->isSkipSessionEvent() == false) {
-        /* Check whether voicerecorder is running */
-        int vrState = 0;
-
-        vconf_get_int(VCONFKEY_RECORDER_STATE, &vrState);
-        if (vrState == VCONFKEY_RECORDER_STATE_RECORDING) {
-            THROW_ERROR_MSG(CAudioError::ERROR_POLICY_BLOCKED, "During Voicerecording --> MUTE");
-        }
+    if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING) {
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
+                        "Can't write if not in Running state");
     }
 
-    /* When write() is called in PulseAudio callback, bypass a pcm data to PulseAudioClient (For  Asynchronous) */
-    if (mpPulseAudioClient->isInThread() == true) {
+    /* When write() is called in PulseAudio callback, bypass a pcm data to CPulseAudioClient (For Asynchronous) */
+    if (mpPulseAudioClient && mpPulseAudioClient->isInThread() == true) {
         int ret = mpPulseAudioClient->write(buffer, length);
-        if (ret == 0) {
-            return length;
+        if (ret < 0) {
+            THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION,
+                                   "The written result is invalid ret:%d", ret);
         }
-    }
 
-    /* For synchronization */
-    internalLock();
+#ifdef _AUDIO_IO_DEBUG_TIMING_
+        AUDIO_IO_LOGD("CPulseAudioClient->write(buffer:%p, length:%d)", buffer, length);
+#endif
 
-    // Sets synchronous flag
-    mIsUsedSyncWrite = true;
+        return length;
+    }
 
-    size_t lengthIter = length;
     try {
+        /* For synchronization */
+        internalLock();
+        if (mIsInterrupted) {
+            THROW_ERROR_MSG(CAudioError::EError::ERROR_POLICY_BLOCKED, "audio io is interrupted");
+        }
+
+        // If another thread did call unprepare, do not write
+        if (mpPulseAudioClient == NULL)
+            THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
+                            "Did not initialize CPulseAudioClient");
+
+        // Sets synchronous flag
+        __mIsUsedSyncWrite = true;
+
+        size_t lengthIter = length;
+
         while (lengthIter > 0) {
             size_t l;
 
@@ -373,27 +403,27 @@ size_t CAudioOutput::write(const void* buffer, size_t length) throw (CAudioError
             }
 
 #ifdef _AUDIO_IO_DEBUG_TIMING_
-            AUDIO_IO_LOGD("PulseAudioClient->write(buffer:%p, length:%d)", buffer, l);
+            AUDIO_IO_LOGD("CPulseAudioClient->write(buffer:%p, length:%d)", buffer, l);
 #endif
 
-            int r = mpPulseAudioClient->write(buffer, l);
-            if (r < 0) {
-                THROW_ERROR_MSG_FORMAT(CAudioError::ERROR_INTERNAL_OPERATION, "The written result is invalid ret:%d", r);
+            int ret = mpPulseAudioClient->write(buffer, l);
+            if (ret < 0) {
+                THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION,
+                                       "The written result is invalid ret:%d", ret);
             }
 
             buffer = static_cast<const uint8_t*>(buffer) + l;
             lengthIter -= l;
-        }//end of while (length > 0)
-    } catch (CAudioError e) {
-        // Unsets synchronous flag
-        mIsUsedSyncWrite = false;
+        }  // End of while (length > 0)
+
+        __mIsUsedSyncWrite = false;
+        internalUnlock();
+        sched_yield();
+    } catch (CAudioError& e) {
+        __mIsUsedSyncWrite = false;
         internalUnlock();
-        throw e;
+        throw;
     }
 
-    // Unsets synchronous flag
-    mIsUsedSyncWrite = false;
-    internalUnlock();
-
     return length;
 }