X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fcpp%2FCAudioInput.cpp;h=9a07ad72690a3fe83c81934fdf0ff87d6add7e02;hb=3640dbe797b8043586b5cf8f25c13c98c2045296;hp=3887ddb6eb4d2dbf082e7268841e8b38b7a9c97f;hpb=3fb18ff5f2ad35c39e2f16148f5dc87f191dabff;p=platform%2Fcore%2Fapi%2Faudio-io.git

diff --git a/src/cpp/CAudioInput.cpp b/src/cpp/CAudioInput.cpp
index 3887ddb..9a07ad7 100644
--- a/src/cpp/CAudioInput.cpp
+++ b/src/cpp/CAudioInput.cpp
@@ -15,8 +15,11 @@
  */
 
 
+#include <new>
+
 #include <pulse/pulseaudio.h>
 #include "CAudioIODef.h"
+#include <sched.h>
 
 #define RECORDER_PRIVILEGE "http://tizen.org/privilege/recorder"
 #define CLIENT_NAME "AUDIO_IO_PA_CLIENT"
@@ -36,6 +39,7 @@ CAudioInput::CAudioInput(CAudioInfo& info) :
     CAudioIO(info),
     __mIsUsedSyncRead(true),
     __mIsInit(false) {
+    mDirection = CAudioInfo::EAudioDirection::AUDIO_DIRECTION_IN;
 }
 
 CAudioInput::CAudioInput(
@@ -45,6 +49,7 @@ CAudioInput::CAudioInput(
         CAudioInfo::EAudioType  audioType) :
     __mIsUsedSyncRead(true),
     __mIsInit(false) {
+    mDirection = CAudioInfo::EAudioDirection::AUDIO_DIRECTION_IN;
     mAudioInfo = CAudioInfo(sampleRate, channel, type, audioType, -1);
 }
 
@@ -74,15 +79,19 @@ void CAudioInput::onStream(CPulseAudioClient* pClient, size_t length) {
     CAudioIO::onStream(pClient, length);
 }
 
-void CAudioInput::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 CAudioInput::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 CAudioInput::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);
 }
 
@@ -143,6 +152,7 @@ static bool __IsPrivilegeAllowed() {
     prData.paMainloop = pa_threaded_mainloop_new();
     if (prData.paMainloop == NULL)
         THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed pa_threaded_mainloop_new()");
+
     c = pa_context_new(pa_threaded_mainloop_get_api(prData.paMainloop), CLIENT_NAME);
     if (c == NULL)
         THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed pa_context_new()");
@@ -169,7 +179,8 @@ static bool __IsPrivilegeAllowed() {
         if (!PA_CONTEXT_IS_GOOD(state)) {
             err = pa_context_errno(c);
             pa_threaded_mainloop_unlock(prData.paMainloop);
-            THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION, "pa_context's state is not good : err[%d]", err);
+            THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION,
+                                   "pa_context's state is not good : err[%d]", err);
         }
 
         /* Wait until the context is ready */
@@ -177,8 +188,13 @@ static bool __IsPrivilegeAllowed() {
     }
 
     o = pa_context_check_privilege(c, RECORDER_PRIVILEGE, __checkPrivilegeCb, &prData);
+    if (!o) {
+        pa_threaded_mainloop_unlock(prData.paMainloop);
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_FAILED_OPERATION, "Failed to pa_context_check_privilege()");
+    }
     while (pa_operation_get_state(o) == PA_OPERATION_RUNNING)
         pa_threaded_mainloop_wait(prData.paMainloop);
+    pa_operation_unref(o);
 
     pa_threaded_mainloop_unlock(prData.paMainloop);
     pa_threaded_mainloop_stop(prData.paMainloop);
@@ -189,32 +205,37 @@ static bool __IsPrivilegeAllowed() {
     return prData.isPrivilegeAllowed;
 }
 
-void CAudioInput::initialize() throw(CAudioError) {
-    if (__IsInit() == true) {
+void CAudioInput::initialize() {
+    if (__IsInit() == true)
         return;
-    }
 
     try {
         CAudioIO::initialize();
-        if (__IsPrivilegeAllowed() == false) {
-            THROW_ERROR_MSG(CAudioError::EError::ERROR_PERMISSION_DENIED, "No privilege for record");
-        }
+    } catch (CAudioError& e) {
+        finalize();
+        throw;
+    }
 
-        // Create ASM Handler
-        mpAudioSessionHandler = new CAudioSessionHandler(CAudioSessionHandler::EAudioSessionType::AUDIO_SESSION_TYPE_CAPTURE, mAudioInfo, this);
-        if (mpAudioSessionHandler == NULL) {
-            THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed to allocate CAudioSessionHandler object");
-        }
+    if (__IsPrivilegeAllowed() == false)
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_PERMISSION_DENIED, "No privilege for record");
 
-        // Initialize ASM Handler
+    try {
+        internalSessionLock();
+        mpAudioSessionHandler = new CAudioSessionHandler(CAudioSessionHandler::EAudioSessionType::AUDIO_SESSION_TYPE_CAPTURE, mAudioInfo, this);
         mpAudioSessionHandler->initialize();
-
-        __setInit(true);
-        CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
-    } catch (CAudioError err) {
+        internalSessionUnlock();
+    } catch (CAudioError& e) {
+        internalSessionUnlock();
         finalize();
-        throw err;
+        throw;
+    } catch (const std::bad_alloc&) {
+        internalSessionUnlock();
+        finalize();
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed to allocate CAudioSessionHandler object");
     }
+
+    __setInit(true);
+    CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
 }
 
 void CAudioInput::finalize() {
@@ -223,298 +244,257 @@ void CAudioInput::finalize() {
         return;
     }
 
+    internalSessionLock();
     SAFE_FINALIZE(mpAudioSessionHandler);
     SAFE_DELETE(mpAudioSessionHandler);
+    internalSessionUnlock();
 
     CAudioIO::finalize();
 
     __setInit(false);
 }
 
-void CAudioInput::prepare() throw(CAudioError) {
-    if (__IsInit() == false) {
+void CAudioInput::prepare() {
+    if (__IsInit() == false)
         THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioInput");
-    }
 
     if (__IsReady() == true) {
         AUDIO_IO_LOGD("Already prepared CAudioInput");
+        CAudioIO::prepare();
         return;
     }
 
-    try {
-        internalLock();
-
-        // Check to invalid AudioType
-        CAudioInfo::EAudioType audioType = mAudioInfo.getAudioType();
-        if (audioType < CAudioInfo::EAudioType::AUDIO_IN_TYPE_MEDIA || audioType > CAudioInfo::EAudioType::AUDIO_IN_TYPE_LOOPBACK) {
-            THROW_ERROR_MSG_FORMAT(CAudioError::EError::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_IN_TYPE_MEDIA ||
+        audioType >= CAudioInfo::EAudioType::AUDIO_OUT_TYPE_MEDIA)
+        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()
-            // Check session to skip registration
-            if (isForceIgnore() == false && mpAudioSessionHandler->isSkipSessionEvent() == false) {
-                // Register ASM Listener
+    try {
+        internalSessionLock();
+        if (mpAudioSessionHandler &&
+            mpAudioSessionHandler->getId() < 0) {  // Did not registerSound()
+            if (isForceIgnore() == false &&
+                mpAudioSessionHandler->isSkipSession() == false) {
                 AUDIO_IO_LOGD("Register ASM Listener");
                 mpAudioSessionHandler->registerSound();
             }
         }
+        internalSessionUnlock();
+    } catch (CAudioError& e) {
+        internalSessionUnlock();
+        throw;
+    }
+
+    CAudioIO::setInternalStreamInfo();
+
+    try {
+        internalSessionLock();
+        if (isSessionEnabled() && isForceIgnore() == false)
+            mpAudioSessionHandler->updatePlaying();
+        internalSessionUnlock();
+    } catch (CAudioError& e) {
+        internalSessionUnlock();
+        throw;
+    }
 
-        // Init StreamSpec
+    try {
+        /* Init StreamSpec */
         AUDIO_IO_LOGD("Set Stream Spec : CPulseStreamSpec::STREAM_LATENCY_INPUT_DEFAULT");
         CPulseStreamSpec::EStreamLatency streamSpec = CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_INPUT_DEFAULT;
         CPulseStreamSpec spec(streamSpec, mAudioInfo);
 
-        // Create PulseAudio Handler
+        internalLock();
         mpPulseAudioClient = new CPulseAudioClient(CPulseAudioClient::EStreamDirection::STREAM_DIRECTION_RECORD, spec, this);
-        if (mpPulseAudioClient == NULL) {
-            THROW_ERROR_MSG(CAudioError::EError::ERROR_OUT_OF_MEMORY, "Failed to allocate CPulseAudioClient object");
-        }
-
-        // Initialize PulseAudio Handler
         mpPulseAudioClient->initialize();
-
-        if (isForceIgnore() == false && mpAudioSessionHandler->isSkipSessionEvent() == false) {
-            /* Updates ASM to PLAYING */
-            mpAudioSessionHandler->updatePlaying();
-        }
-
+#ifndef DISABLE_MOBILE_BACK_COMP
+        /* Uncork stream which is created with CORKED flag */
+        mpPulseAudioClient->cork(false);
+#endif
         internalUnlock();
 
-        // Do Prepare
         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 CAudioInput::unprepare() throw(CAudioError) {
-    if (__IsInit() == false) {
-        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioInput");
-    }
+void CAudioInput::unprepare() {
+    if (__IsInit() == false)
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
+                        "Did not initialize CAudioInput");
 
     if (__IsReady() == false) {
         AUDIO_IO_LOGD("Already unprepared");
         return;
     }
 
-    try {
-        // Do unprepare
-        CAudioIO::unprepare();
+    CAudioIO::unprepare();
 
+    try {
         internalLock();
-
         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;
+    }
+
+    try {
+        internalSessionLock();
+        if (isSessionEnabled() && isForceIgnore() == false)
+            mpAudioSessionHandler->updateStop();
+        internalSessionUnlock();
 
         CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_IDLE);
-    } catch (CAudioError e) {
-        internalUnlock();
-        throw e;
+    } catch (CAudioError& e) {
+        internalSessionUnlock();
+        throw;
     }
 }
 
-void CAudioInput::pause() throw(CAudioError) {
-    if (__IsInit() == false || __IsReady() == false) {
-        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize or prepare CAudioInput");
-    }
+void CAudioInput::pause() {
+    if (__IsInit() == false || __IsReady() == false)
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
+                        "Did not initialize or prepare CAudioInput");
 
-    if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING) {
+    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");
-    }
 
-    if (mpPulseAudioClient->isInThread() == true) {
+    if (mpPulseAudioClient->isInThread() == true)
         THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't pause in thread");
-    }
-
-    try {
-        CAudioIO::pause();
-
-        internalLock();
-
-        /* Updates ASM to STOP */
-        if (isForceIgnore() == false && mpAudioSessionHandler->isSkipSessionEvent() == false) {
-            mpAudioSessionHandler->updateStop();
-        }
 
-        internalUnlock();
-
-        CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED);
-    } catch (CAudioError e) {
-        internalUnlock();
-        throw e;
-    }
+    CAudioIO::pause();
+    CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED);
 }
 
-void CAudioInput::resume() throw(CAudioError) {
-    if (__IsInit() == false || __IsReady() == false) {
-        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize or prepare CAudioInput");
-    }
+void CAudioInput::resume() {
+    if (__IsInit() == false || __IsReady() == false)
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
+                        "Did not initialize or prepare CAudioInput");
 
-    if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_PAUSED) {
+    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");
-    }
 
-    if (mpPulseAudioClient->isInThread() == true) {
+    if (mpPulseAudioClient->isInThread() == true)
         THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_OPERATION, "Can't resume in thread");
-    }
-
-    try {
-        internalLock();
-
-        if (isForceIgnore() == false && mpAudioSessionHandler->isSkipSessionEvent() == false) {
-            /* Updates ASM to PLAYING */
-            mpAudioSessionHandler->updatePlaying();
-        }
-
-        internalUnlock();
-
-        CAudioIO::resume();
 
-        CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING);
-    } catch (CAudioError e) {
-        internalUnlock();
-        throw e;
-    }
+    CAudioIO::resume();
+    CAudioIO::onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING);
 }
 
-void CAudioInput::drain() throw(CAudioError) {
+void CAudioInput::drain() {
     THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_SUPPORTED, "Did not support drain of CAudioInput");
 }
 
-void CAudioInput::flush() throw(CAudioError) {
-    if (__IsInit() == false || __IsReady() == false) {
-        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize or prepare CAudioInput");
-    }
+void CAudioInput::flush() {
+    if (__IsInit() == false || __IsReady() == false)
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
+                        "Did not initialize or prepare CAudioInput");
 
-    try {
-        CAudioIO::flush();
-    } catch (CAudioError e) {
-        throw e;
-    }
+    CAudioIO::flush();
 }
 
-int CAudioInput::getBufferSize() throw(CAudioError) {
-    if (__IsInit() == false) {
+int CAudioInput::getBufferSize() {
+    if (__IsInit() == false)
         THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioInput");
-    }
 
     /* FIXME : return calculated size here to satisfy backward compatibility */
     return (mAudioInfo.getSampleRate() * DEFAULT_PERIOD_SIZE) / 1000 * mAudioInfo.getSampleSize();
 }
 
-void CAudioInput::setStreamCallback(SStreamCallback callback) throw(CAudioError) {
-    if (__IsInit() == false) {
+void CAudioInput::setStreamCallback(SStreamCallback callback) {
+    if (__IsInit() == false)
         THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CAudioInput");
-    }
 
-    if (callback.onStream == NULL) {
-        AUDIO_IO_LOGD("__mIsUsedSyncRead = true");
+    if (callback.onStream == NULL)
         __mIsUsedSyncRead = true;
-    } else {
-        AUDIO_IO_LOGD("__mIsUsedSyncRead = false");
+    else
         __mIsUsedSyncRead = false;
-    }
+    AUDIO_IO_LOGD("__mIsUsedSyncRead = %d", __mIsUsedSyncRead);
 
     CAudioIO::setStreamCallback(callback);
 }
 
-size_t CAudioInput::read(void* buffer, size_t length) throw(CAudioError) {
-    if (__IsInit() == false || __IsReady() == false) {
-        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize or prepare CAudioInput");
-    }
+size_t CAudioInput::read(void* buffer, size_t length) {
+    if (__IsInit() == false || __IsReady() == false)
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
+                        "Did not initialize or prepare CAudioInput");
 
-    if (buffer == NULL) {
-        THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT, "Parameters are NULL buffer:%p", buffer);
-    }
-    if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING) {
+    if (buffer == NULL)
+        THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
+                               "Parameters are NULL buffer:%p", buffer);
+
+    if (CAudioIO::getState() != CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING)
         THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
                         "Can't read if not in Running state");
-    }
+
     /* Checks synchronous flag */
-    if (__mIsUsedSyncRead == false) {
-        THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION, "Invalid operation of read() if receive stream callback");
-    }
+    if (__mIsUsedSyncRead == false)
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
+                        "Invalid operation of read() if receive stream callback");
 
     int ret = 0;
 
     try {
         internalLock();
+        if (mIsInterrupted)
+            THROW_ERROR_MSG(CAudioError::EError::ERROR_POLICY_BLOCKED, "audio-io is interrupted");
 
         // If another thread did call unprepare, do not read
         if (mpPulseAudioClient == NULL)
-            THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
+            THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
+                            "Did not initialize CPulseAudioClient");
 
         // Block until read done
         ret = mpPulseAudioClient->read(buffer, length);
-
         internalUnlock();
-    } catch (CAudioError e) {
+
+        sched_yield();
+    } catch (CAudioError& e) {
         internalUnlock();
-        throw e;
+        throw;
     }
 
     return ret;
 }
 
-int CAudioInput::peek(const void** buffer, size_t* length) throw(CAudioError) {
-    if (__IsInit() == false || __IsReady() == false) {
-        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize or prepare CAudioInput");
-    }
+int CAudioInput::peek(const void** buffer, size_t* length) {
+    if (__IsInit() == false || __IsReady() == false)
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
+                        "Did not initialize or prepare CAudioInput");
 
-    if (buffer == NULL || length == NULL) {
-        THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT, "Parameters are NULL buffer:%p, length:%p", buffer, length);
-    }
+    if (buffer == NULL || length == NULL)
+        THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INVALID_ARGUMENT,
+                               "Parameters are NULL buffer:%p, length:%p", buffer, length);
 
     /* Checks synchronous flag */
-    if (__mIsUsedSyncRead == true) {
-        THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION, "Invalid operation of peek() if does not receive a stream callback");
-    }
-
-    int ret = 0;
-
-    try {
-        ret = mpPulseAudioClient->peek(buffer, length);
-    } catch (CAudioError e) {
-        throw e;
-    }
+    if (__mIsUsedSyncRead == true)
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
+                        "Invalid operation of peek() if does not receive a stream callback");
 
-    return ret;
+    return mpPulseAudioClient->peek(buffer, length);
 }
 
-int CAudioInput::drop() throw(CAudioError) {
-    if (__IsInit() == false || __IsReady() == false) {
-        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize or prepare CAudioInput");
-    }
+int CAudioInput::drop() {
+    if (__IsInit() == false || __IsReady() == false)
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED,
+                        "Did not initialize or prepare CAudioInput");
 
     /* Checks synchronous flag */
-    if (__mIsUsedSyncRead == true) {
-        THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION, "Invalid operation of drop() if does not receive a stream callback");
-    }
-
-    int ret = 0;
-
-    try {
-        ret = mpPulseAudioClient->drop();
-    } catch (CAudioError e) {
-        throw e;
-    }
+    if (__mIsUsedSyncRead == true)
+        THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_OPERATION,
+                        "Invalid operation of drop() if does not receive a stream callback");
 
-    return ret;
+    return mpPulseAudioClient->drop();
 }