Add pa_threaded_mainloop_lock() in CPulseAudioClient::write()
[platform/core/api/audio-io.git] / src / cpp / CPulseAudioClient.cpp
index ca3eb61..7f41a61 100644 (file)
  */
 
 
-#include <mm.h>
 #include "CAudioIODef.h"
+#include <unistd.h>
+#include <inttypes.h>
 #ifdef ENABLE_DPM
-#include <dpm/context.h>
 #include <dpm/restriction.h>
 #endif
 
@@ -30,6 +30,8 @@ using namespace tizen_media_audio;
  * class CPulseAudioClient
  */
 const char* CPulseAudioClient::CLIENT_NAME = "AUDIO_IO_PA_CLIENT";
+static const unsigned int drain_wait_interval = 10000;
+static const unsigned int drain_wait_max_count = 30;
 
 CPulseAudioClient::CPulseAudioClient(
         EStreamDirection      direction,
@@ -47,7 +49,10 @@ CPulseAudioClient::CPulseAudioClient(
     __mpSyncReadDataPtr(NULL),
     __mSyncReadIndex(0),
     __mSyncReadLength(0),
-    __mIsUsedSyncRead(false) {
+    __mIsUsedSyncRead(false),
+    __mIsFirstStream(false),
+    __mIsDraining(false),
+    __mIsStarted(false) {
 }
 
 CPulseAudioClient::~CPulseAudioClient() {
@@ -93,21 +98,18 @@ void CPulseAudioClient::__successContextCb(pa_context* c, int success, void* use
 static bool __is_microphone_restricted(void) {
     int state = 1;
 #ifdef ENABLE_DPM
-    dpm_context_h dpm_ctx_h;
-    dpm_restriction_policy_h dpm_policy_h;
+    device_policy_manager_h dpm_h = NULL;
     int ret = 0;
 
-    if ((dpm_ctx_h = dpm_context_create())) {
-        if ((dpm_policy_h = dpm_context_acquire_restriction_policy(dpm_ctx_h))) {
-            /* state: 0(disallowed), 1(allowed) */
-            if ((ret = dpm_restriction_get_microphone_state(dpm_policy_h, &state)))
-                AUDIO_IO_LOGE("Failed to dpm_restriction_get_microphone_state(), ret(0x%x)", ret);
-            dpm_context_release_restriction_policy(dpm_ctx_h, dpm_policy_h);
-        } else
-            AUDIO_IO_LOGE("Failed to dpm_context_acquire_restriction_policy()");
-        dpm_context_destroy(dpm_ctx_h);
-    } else
-        AUDIO_IO_LOGE("Failed to dpm_context_create()");
+    if ((dpm_h = dpm_manager_create())) {
+        /* state: 0(disallowed), 1(allowed) */
+        if ((ret = dpm_restriction_get_microphone_state(dpm_h, &state)))
+            AUDIO_IO_LOGE("Failed to dpm_restriction_get_microphone_state(), ret(0x%x)", ret);
+        dpm_manager_destroy(dpm_h);
+        AUDIO_IO_LOGD("microphone restriction state: %d(1:allowed, 0:disallowed)", state);
+    } else {
+        AUDIO_IO_LOGE("Failed to dpm_manager_create()");
+    }
 #endif
     return (state ? false : true);
 }
@@ -122,6 +124,9 @@ void CPulseAudioClient::__streamStateChangeCb(pa_stream* s, void* user_data) {
     case PA_STREAM_READY:
         AUDIO_IO_LOGD("The stream is ready");
         pClient->__mpListener->onStateChanged(CAudioInfo::EAudioIOState::AUDIO_IO_STATE_RUNNING);
+        if (pClient->__mDirection == EStreamDirection::STREAM_DIRECTION_PLAYBACK)
+            pClient->__mIsFirstStream = true;
+        pClient->__mIsInit = true;
         pa_threaded_mainloop_signal(pClient->__mpMainloop, 0);
         break;
 
@@ -159,6 +164,15 @@ void CPulseAudioClient::__streamCaptureCb(pa_stream* s, size_t length, void* use
     pClient->__mpListener->onStream(pClient, length);
 }
 
+#ifndef DISABLE_MOBILE_BACK_COMP
+static void __dummy_write(pa_stream* s, size_t length) {
+    char* dummy = new char[length];
+    memset(dummy, 0, length);
+    pa_stream_write(s, dummy, length, NULL, 0LL, PA_SEEK_RELATIVE);
+    delete [] dummy;
+}
+#endif
+
 void CPulseAudioClient::__streamPlaybackCb(pa_stream* s, size_t length, void* user_data) {
     assert(s);
     assert(user_data);
@@ -166,18 +180,31 @@ void CPulseAudioClient::__streamPlaybackCb(pa_stream* s, size_t length, void* us
     CPulseAudioClient* pClient = static_cast<CPulseAudioClient*>(user_data);
     assert(pClient->__mpListener);
 
+#ifndef DISABLE_MOBILE_BACK_COMP
     if (pClient->__mIsInit == false) {
         AUDIO_IO_LOGD("Occurred this listener when an out stream is on the way to create : Write dummy, length[%d]", length);
-
-        char* dummy = new char[length];
-        memset(dummy, 0, length);
-        pa_stream_write(s, dummy, length, NULL, 0LL, PA_SEEK_RELATIVE);
-        delete [] dummy;
-
+        __dummy_write(s, length);
         return;
     }
+    if (pClient->isCorked()) {
+        AUDIO_IO_LOGD("Occurred this listener when an out stream is CORKED : Write dummy, length[%d]", length);
+        __dummy_write(s, length);
+        return;
+    }
+#endif
 
     pClient->__mpListener->onStream(pClient, length);
+
+#ifndef DISABLE_MOBILE_BACK_COMP
+    /* If stream is not written in first callback during prepare,
+       then write dummy data to ensure the start */
+    if (pClient->__mSpec.getStreamLatency() == CPulseStreamSpec::EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT_ASYNC &&
+        pClient->__mIsFirstStream) {
+        AUDIO_IO_LOGW("[async] Write dummy of length[%d] since not written in first callback during prepare", length);
+        __dummy_write(s, length);
+        pClient->__mIsFirstStream = false;
+    }
+#endif
 }
 
 void CPulseAudioClient::__streamLatencyUpdateCb(pa_stream* s, void* user_data) {
@@ -189,6 +216,41 @@ void CPulseAudioClient::__streamLatencyUpdateCb(pa_stream* s, void* user_data) {
     pa_threaded_mainloop_signal(pClient->__mpMainloop, 0);
 }
 
+void CPulseAudioClient::__streamStartedCb(pa_stream* s, void* user_data) {
+    assert(s);
+    assert(user_data);
+
+    CPulseAudioClient* pClient = static_cast<CPulseAudioClient*>(user_data);
+
+    AUDIO_IO_LOGD("stream %p started.", pClient);
+
+    pClient->__mIsStarted = true;
+}
+
+void CPulseAudioClient::__streamUnderflowCb(pa_stream* s, void* user_data) {
+    assert(s);
+    assert(user_data);
+
+    CPulseAudioClient* pClient = static_cast<CPulseAudioClient*>(user_data);
+
+    AUDIO_IO_LOGD("stream %p UnderFlow...", pClient);
+
+    pClient->__mIsStarted = false;
+}
+
+void CPulseAudioClient::__streamEventCb(pa_stream* s, const char *name, pa_proplist *pl, void *user_data) {
+    assert(s);
+    assert(user_data);
+
+    AUDIO_IO_LOGE("NAME : %s, Prop : %p", name, pl);
+
+    CPulseAudioClient* pClient = static_cast<CPulseAudioClient*>(user_data);
+    if (strcmp(name, PA_STREAM_EVENT_POP_TIMEOUT) == 0) {
+        pa_operation_unref(pa_stream_cork(pClient->__mpStream, 1, NULL, NULL));
+    }
+}
+
+
 void CPulseAudioClient::__successStreamCb(pa_stream* s, int success, void* user_data) {
     AUDIO_IO_LOGD("pa_stream[%p], success[%d], user_data[%p]", s, success, user_data);
     assert(s);
@@ -200,8 +262,29 @@ void CPulseAudioClient::__successStreamCb(pa_stream* s, int success, void* user_
     pa_threaded_mainloop_signal(pClient->__mpMainloop, 0);
 }
 
-void CPulseAudioClient::initialize() throw(CAudioError) {
-    AUDIO_IO_LOGD("");
+void CPulseAudioClient::__successDrainCbInThread(pa_stream* s, int success, void* user_data) {
+    AUDIO_IO_LOGD("pa_stream[%p], success[%d], user_data[%p]", s, success, user_data);
+    assert(s);
+    assert(user_data);
+
+    CPulseAudioClient* pClient = static_cast<CPulseAudioClient*>(user_data);
+    pClient->__mIsOperationSuccess = static_cast<bool>(success);
+    pClient->__mIsDraining = false;
+}
+
+void CPulseAudioClient::__successDrainCb(pa_stream* s, int success, void* user_data) {
+    AUDIO_IO_LOGD("pa_stream[%p], success[%d], user_data[%p]", s, success, user_data);
+    assert(s);
+    assert(user_data);
+
+    CPulseAudioClient* pClient = static_cast<CPulseAudioClient*>(user_data);
+    pClient->__mIsOperationSuccess = static_cast<bool>(success);
+    pClient->__mIsDraining = false;
+
+    pa_threaded_mainloop_signal(pClient->__mpMainloop, 0);
+}
+
+void CPulseAudioClient::initialize() {
     if (__mIsInit == true) {
         return;
     }
@@ -228,7 +311,7 @@ void CPulseAudioClient::initialize() throw(CAudioError) {
         }
 
         // Adds latency on proplist for delivery to PULSEAUDIO
-        AUDIO_IO_LOGD("LATENCY : %s[%d]", __mSpec.getStreamLatencyToString(), __mSpec.getStreamLatency());
+        AUDIO_IO_LOGD("LATENCY : %s[%d]", __mSpec.getStreamLatencyToString(), static_cast<int>(__mSpec.getStreamLatency()));
         pa_proplist_setf(__mpPropList, PA_PROP_MEDIA_TIZEN_AUDIO_LATENCY, "%s", __mSpec.getStreamLatencyToString());
 
         // Allocates PA mainloop
@@ -296,6 +379,11 @@ void CPulseAudioClient::initialize() throw(CAudioError) {
         pa_stream_set_read_callback(__mpStream, __streamCaptureCb, this);
         pa_stream_set_write_callback(__mpStream, __streamPlaybackCb, this);
         pa_stream_set_latency_update_callback(__mpStream, __streamLatencyUpdateCb, this);
+        pa_stream_set_event_callback(__mpStream, __streamEventCb, this);
+        if (__mDirection == EStreamDirection::STREAM_DIRECTION_PLAYBACK) {
+            pa_stream_set_started_callback(__mpStream, __streamStartedCb, this);
+            pa_stream_set_underflow_callback(__mpStream, __streamUnderflowCb, this);
+        }
 
         // Connect stream with PA Server
 
@@ -303,6 +391,9 @@ void CPulseAudioClient::initialize() throw(CAudioError) {
             pa_stream_flags_t flags = static_cast<pa_stream_flags_t>(
                     PA_STREAM_INTERPOLATE_TIMING |
                     PA_STREAM_ADJUST_LATENCY     |
+#ifndef DISABLE_MOBILE_BACK_COMP
+                    PA_STREAM_START_CORKED       |
+#endif
                     PA_STREAM_AUTO_TIMING_UPDATE);
 
             ret = pa_stream_connect_playback(__mpStream, NULL, NULL, flags, NULL, NULL);
@@ -310,6 +401,9 @@ void CPulseAudioClient::initialize() throw(CAudioError) {
             pa_stream_flags_t flags = static_cast<pa_stream_flags_t>(
                     PA_STREAM_INTERPOLATE_TIMING |
                     PA_STREAM_ADJUST_LATENCY     |
+#ifndef DISABLE_MOBILE_BACK_COMP
+                    PA_STREAM_START_CORKED       |
+#endif
                     PA_STREAM_AUTO_TIMING_UPDATE);
 
             ret = pa_stream_connect_record(__mpStream, NULL, NULL, flags);
@@ -333,7 +427,11 @@ void CPulseAudioClient::initialize() throw(CAudioError) {
             if (!PA_STREAM_IS_GOOD(state)) {
                 err = pa_context_errno(__mpContext);
                 pa_threaded_mainloop_unlock(__mpMainloop);
-                THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION, "pa_stream's state is not good : err[%d]", err);
+                if (err == PA_ERR_ACCESS) {
+                    THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_DEVICE_POLICY_RESTRICTION, "pa_stream's state is not good : err[%d]", err);
+                } else {
+                    THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_INTERNAL_OPERATION, "pa_stream's state is not good : err[%d]", err);
+                }
             }
 
             /* Wait until the stream is ready */
@@ -343,17 +441,40 @@ void CPulseAudioClient::initialize() throw(CAudioError) {
         // End of synchronous
         pa_threaded_mainloop_unlock(__mpMainloop);
 
-        __mIsInit = true;
-    } catch (CAudioError e) {
+        // __mIsInit = true;  // Moved to __streamStateChangeCb()
+    } catch (CAudioError& e) {
         finalize();
-        throw e;
+        throw;
     }
 }
 
 void CPulseAudioClient::finalize() {
     AUDIO_IO_LOGD("");
-    if (__mIsInit == false) {
-        return;
+
+    if (__mpMainloop && isInThread() == false)
+        pa_threaded_mainloop_lock(__mpMainloop);
+
+    /* clear callbacks */
+    if (__mpStream) {
+        if (__mDirection == EStreamDirection::STREAM_DIRECTION_PLAYBACK)
+            pa_stream_set_write_callback(__mpStream, NULL, NULL);
+        else
+            pa_stream_set_read_callback(__mpStream, NULL, NULL);
+        pa_stream_set_latency_update_callback(__mpStream, NULL, NULL);
+        pa_stream_set_event_callback(__mpStream, NULL, NULL);
+    }
+
+    if (__mpMainloop && isInThread() == false)
+        pa_threaded_mainloop_unlock(__mpMainloop);
+
+    /* Wait for drain complete if draining before finalize */
+    if (__mIsDraining) {
+        unsigned int drain_wait_count = 0;
+        while (__mIsDraining && drain_wait_count++ < drain_wait_max_count) {
+            usleep(drain_wait_interval);
+        }
+        AUDIO_IO_LOGD("wait for drain complete!!!! [%d * %d usec]",
+                      drain_wait_count, drain_wait_interval);
     }
 
     if (__mpMainloop != NULL) {
@@ -385,7 +506,7 @@ void CPulseAudioClient::finalize() {
     __mIsInit = false;
 }
 
-int CPulseAudioClient::read(void* buffer, size_t length) throw(CAudioError) {
+int CPulseAudioClient::read(void* buffer, size_t length) {
     if (__mIsInit == false) {
         THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
     }
@@ -441,7 +562,7 @@ int CPulseAudioClient::read(void* buffer, size_t length) throw(CAudioError) {
 
             // Copy partial pcm data on out parameter
 #ifdef _AUDIO_IO_DEBUG_TIMING_
-            AUDIO_IO_LOGD("memcpy() that a peeked buffer[%], index[%d], length[%d] on out buffer", (const uint8_t*)(__mpSyncReadDataPtr) + __mSyncReadIndex, __mSyncReadIndex, l);
+            AUDIO_IO_LOGD("memcpy() that a peeked buffer[0x%x], index[%d], length[%d] on out buffer", (const uint8_t*)(__mpSyncReadDataPtr) + __mSyncReadIndex, __mSyncReadIndex, l);
 #endif
             memcpy(buffer, (const uint8_t*)__mpSyncReadDataPtr + __mSyncReadIndex, l);
 
@@ -471,16 +592,16 @@ int CPulseAudioClient::read(void* buffer, size_t length) throw(CAudioError) {
 
         pa_threaded_mainloop_unlock(__mpMainloop);
         __mIsUsedSyncRead = false;
-    } catch (CAudioError e) {
+    } catch (CAudioError& e) {
         pa_threaded_mainloop_unlock(__mpMainloop);
         __mIsUsedSyncRead = false;
-        throw e;
+        throw;
     }
 
     return length;
 }
 
-int CPulseAudioClient::peek(const void** buffer, size_t* length) throw(CAudioError) {
+int CPulseAudioClient::peek(const void** buffer, size_t* length) {
     if (__mIsInit == false) {
         THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
     }
@@ -516,7 +637,7 @@ int CPulseAudioClient::peek(const void** buffer, size_t* length) throw(CAudioErr
     return ret;
 }
 
-int CPulseAudioClient::drop() throw(CAudioError) {
+int CPulseAudioClient::drop() {
     if (__mIsInit == false) {
         THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
     }
@@ -548,13 +669,7 @@ int CPulseAudioClient::drop() throw(CAudioError) {
     return ret;
 }
 
-int CPulseAudioClient::write(const void* data, size_t length) throw(CAudioError) {
-    if (__mIsInit == false) {
-        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
-    }
-
-    checkRunningState();
-
+int CPulseAudioClient::write(const void* data, size_t length) {
     if (data == NULL) {
         THROW_ERROR_MSG(CAudioError::EError::ERROR_INVALID_ARGUMENT, "The parameter is invalid");
     }
@@ -566,14 +681,39 @@ int CPulseAudioClient::write(const void* data, size_t length) throw(CAudioError)
     int ret = 0;
 
 #ifdef _AUDIO_IO_DEBUG_TIMING_
-    AUDIO_IO_LOGD("data[%p], length[%d]", data, length);
+    AUDIO_IO_LOGD("data[%p], length[%d], First[%d]", data, length, __mIsFirstStream);
 #endif
 
     if (isInThread() == false) {
         pa_threaded_mainloop_lock(__mpMainloop);
+        if (pa_stream_is_corked(__mpStream)) {
+            AUDIO_IO_LOGW("stream is corked...do uncork here first!!!!");
+            pa_operation_unref(pa_stream_cork(__mpStream, 0, NULL, this));
+        }
+
         ret = pa_stream_write(__mpStream, data, length, NULL, 0LL, PA_SEEK_RELATIVE);
         pa_threaded_mainloop_unlock(__mpMainloop);
     } else {
+        if (pa_stream_is_corked(__mpStream)) {
+            AUDIO_IO_LOGW("stream is corked...do uncork here first!!!!");
+            pa_operation_unref(pa_stream_cork(__mpStream, 0, NULL, this));
+        }
+
+        if (__mIsFirstStream) {
+            const pa_buffer_attr* attr = pa_stream_get_buffer_attr(__mpStream);
+            uint32_t prebuf = attr->prebuf;
+            // Compensate amount of prebuf in first stream callback when audio-io use prebuf(-1)
+            // Because a stream will never start when an application wrote less than prebuf at first
+            if (length < prebuf) {
+                char* dummy = new char[prebuf - length];
+                memset(dummy, 0, prebuf - length);
+                pa_stream_write(__mpStream, dummy, prebuf - length, NULL, 0LL, PA_SEEK_RELATIVE);
+                delete [] dummy;
+            }
+            __mIsFirstStream = false;
+            AUDIO_IO_LOGW("FIRST STREAM CALLBACK : length[%d], prebuf[%d], dummy[%d]",
+                          length, prebuf, (length < prebuf) ? prebuf - length : 0);
+        }
         ret = pa_stream_write(__mpStream, data, length, NULL, 0LL, PA_SEEK_RELATIVE);
     }
 
@@ -584,7 +724,7 @@ int CPulseAudioClient::write(const void* data, size_t length) throw(CAudioError)
     return ret;
 }
 
-void CPulseAudioClient::cork(bool cork) throw(CAudioError) {
+void CPulseAudioClient::cork(bool cork) {
     AUDIO_IO_LOGD("cork[%d]", cork);
 
     if (__mIsInit == false) {
@@ -597,6 +737,10 @@ void CPulseAudioClient::cork(bool cork) throw(CAudioError) {
 
     checkRunningState();
 
+    // Set __mIsFirstStream flag when uncork(resume) stream, because prebuf will be enable again
+    if (cork == false)
+        __mIsFirstStream = true;
+
     if (isInThread() == false) {
         pa_threaded_mainloop_lock(__mpMainloop);
         pa_operation_unref(pa_stream_cork(__mpStream, static_cast<int>(cork), __successStreamCb, this));
@@ -608,7 +752,7 @@ void CPulseAudioClient::cork(bool cork) throw(CAudioError) {
     return;
 }
 
-bool CPulseAudioClient::isCorked() throw(CAudioError) {
+bool CPulseAudioClient::isCorked() {
     if (__mIsInit == false) {
         THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
     }
@@ -625,33 +769,55 @@ bool CPulseAudioClient::isCorked() throw(CAudioError) {
         isCork = pa_stream_is_corked(__mpStream);
     }
 
+#ifdef _AUDIO_IO_DEBUG_TIMING_
     AUDIO_IO_LOGD("isCork[%d]", isCork);
+#endif
     return static_cast<bool>(isCork);
 }
 
-bool CPulseAudioClient::drain() throw(CAudioError) {
-    AUDIO_IO_LOGD("drain");
-
+bool CPulseAudioClient::drain() {
     if (__mIsInit == false) {
         THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
     }
 
     checkRunningState();
 
+    if (isCorked()) {
+        AUDIO_IO_LOGW("Corked...");
+        return true;
+    }
+
+    if (__mIsDraining) {
+        AUDIO_IO_LOGW("already draining...");
+        return true;
+    }
+
+    if (!__mIsStarted) {
+        AUDIO_IO_LOGW("stream not started yet...skip drain");
+        return true;
+    }
+
     if (isInThread() == false) {
+        AUDIO_IO_LOGD("drain");
         pa_threaded_mainloop_lock(__mpMainloop);
-        pa_operation_unref(pa_stream_drain(__mpStream, __successStreamCb, this));
+        pa_operation* o = pa_stream_drain(__mpStream, __successDrainCb, this);
+        __mIsDraining = true;
+        while (pa_operation_get_state(o) == PA_OPERATION_RUNNING) {
+            pa_threaded_mainloop_wait(__mpMainloop);
+        }
+        pa_operation_unref(o);
         pa_threaded_mainloop_unlock(__mpMainloop);
+        AUDIO_IO_LOGD("drain done");
     } else {
-        pa_operation_unref(pa_stream_drain(__mpStream, __successStreamCb, this));
+        AUDIO_IO_LOGD("drain in thread");
+        pa_operation_unref(pa_stream_drain(__mpStream, __successDrainCbInThread, this));
+        __mIsDraining = true;
     }
 
     return true;
 }
 
-bool CPulseAudioClient::flush() throw(CAudioError) {
-    AUDIO_IO_LOGD("flush");
-
+bool CPulseAudioClient::flush() {
     if (__mIsInit == false) {
         THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
     }
@@ -659,17 +825,19 @@ bool CPulseAudioClient::flush() throw(CAudioError) {
     checkRunningState();
 
     if (isInThread() == false) {
+        AUDIO_IO_LOGD("flush");
         pa_threaded_mainloop_lock(__mpMainloop);
         pa_operation_unref(pa_stream_flush(__mpStream, __successStreamCb, this));
         pa_threaded_mainloop_unlock(__mpMainloop);
     } else {
+        AUDIO_IO_LOGD("flush in thread");
         pa_operation_unref(pa_stream_flush(__mpStream, __successStreamCb, this));
     }
 
     return true;
 }
 
-size_t CPulseAudioClient::getWritableSize() throw(CAudioError) {
+size_t CPulseAudioClient::getWritableSize() {
     if (__mIsInit == false) {
         THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
     }
@@ -693,18 +861,14 @@ size_t CPulseAudioClient::getWritableSize() throw(CAudioError) {
     return ret;
 }
 
-void CPulseAudioClient::checkRunningState() throw(CAudioError) {
-    if (__mIsInit == false) {
-        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
-    }
-
+void CPulseAudioClient::checkRunningState() {
     if (__mpContext == NULL || PA_CONTEXT_IS_GOOD(pa_context_get_state(__mpContext)) == 0) {
         THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_NOT_INITIALIZED, "The context[%p] is not created or not good state", __mpContext);
     }
     if (__mpStream == NULL || PA_STREAM_IS_GOOD(pa_stream_get_state(__mpStream)) == 0) {
         THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_NOT_INITIALIZED, "The stream[%p] is not created or not good state", __mpStream);
     }
-    if (pa_context_get_state(__mpContext) != PA_CONTEXT_READY || pa_stream_get_state(__mpStream)   != PA_STREAM_READY) {
+    if (pa_context_get_state(__mpContext) != PA_CONTEXT_READY || pa_stream_get_state(__mpStream) != PA_STREAM_READY) {
         THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_NOT_INITIALIZED, "The context[%p] or stream[%p] state is not ready", __mpContext, __mpStream);
     }
 
@@ -713,11 +877,7 @@ void CPulseAudioClient::checkRunningState() throw(CAudioError) {
 #endif
 }
 
-bool CPulseAudioClient::isInThread() throw(CAudioError) {
-    if (__mIsInit == false) {
-        THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
-    }
-
+bool CPulseAudioClient::isInThread() {
     int ret = pa_threaded_mainloop_in_thread(__mpMainloop);
 
 #ifdef _AUDIO_IO_DEBUG_TIMING_
@@ -726,7 +886,7 @@ bool CPulseAudioClient::isInThread() throw(CAudioError) {
     return static_cast<bool>(ret);
 }
 
-size_t CPulseAudioClient::getReadableSize() throw(CAudioError) {
+size_t CPulseAudioClient::getReadableSize() {
     if (__mIsInit == false) {
         THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
     }
@@ -750,7 +910,7 @@ size_t CPulseAudioClient::getReadableSize() throw(CAudioError) {
     return ret;
 }
 
-size_t CPulseAudioClient::getBufferSize() throw(CAudioError) {
+size_t CPulseAudioClient::getBufferSize() {
     if (__mIsInit == false) {
         THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
     }
@@ -777,11 +937,11 @@ size_t CPulseAudioClient::getBufferSize() throw(CAudioError) {
             ret = attr->fragsize;
             AUDIO_IO_LOGD("RECORD buffer size[%d]", ret);
         }
-    } catch (CAudioError err) {
+    } catch (CAudioError& e) {
         if (isInThread() == false) {
             pa_threaded_mainloop_unlock(__mpMainloop);
         }
-        throw err;
+        throw;
     }
 
     if (isInThread() == false) {
@@ -791,7 +951,7 @@ size_t CPulseAudioClient::getBufferSize() throw(CAudioError) {
     return ret;
 }
 
-pa_usec_t CPulseAudioClient::getLatency() throw(CAudioError) {
+pa_usec_t CPulseAudioClient::getLatency() {
     if (__mIsInit == false) {
         THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
     }
@@ -827,9 +987,9 @@ pa_usec_t CPulseAudioClient::getLatency() throw(CAudioError) {
             /* Wait until latency data is available again */
             pa_threaded_mainloop_wait(__mpMainloop);
         }
-    } catch (CAudioError e) {
+    } catch (CAudioError& e) {
         pa_threaded_mainloop_unlock(__mpMainloop);
-        throw e;
+        throw;
     }
 
     pa_threaded_mainloop_unlock(__mpMainloop);
@@ -837,7 +997,7 @@ pa_usec_t CPulseAudioClient::getLatency() throw(CAudioError) {
     return negative ? 0 : ret;
 }
 
-pa_usec_t CPulseAudioClient::getFinalLatency() throw(CAudioError) {
+pa_usec_t CPulseAudioClient::getFinalLatency() {
     if (__mIsInit == false) {
         THROW_ERROR_MSG(CAudioError::EError::ERROR_NOT_INITIALIZED, "Did not initialize CPulseAudioClient");
     }
@@ -865,10 +1025,10 @@ pa_usec_t CPulseAudioClient::getFinalLatency() throw(CAudioError) {
 
             if (__mDirection == EStreamDirection::STREAM_DIRECTION_PLAYBACK) {
                 ret = (pa_bytes_to_usec(buffer_attr->tlength, sample_spec) + timing_info->configured_sink_usec);
-                AUDIO_IO_LOGD("FINAL PLAYBACK LATENCY[%d]", ret);
+                AUDIO_IO_LOGD("FINAL PLAYBACK LATENCY[%" PRIu64 "]", ret);
             } else {
                 ret = (pa_bytes_to_usec(buffer_attr->fragsize, sample_spec) + timing_info->configured_source_usec);
-                AUDIO_IO_LOGD("FINAL RECORD LATENCY[%d]", ret);
+                AUDIO_IO_LOGD("FINAL RECORD LATENCY[%" PRIu64 "]", ret);
             }
         } else {
             THROW_ERROR_MSG_FORMAT(CAudioError::EError::ERROR_NOT_SUPPORTED, "This version(ver.%d) is not supported", ver);
@@ -877,11 +1037,11 @@ pa_usec_t CPulseAudioClient::getFinalLatency() throw(CAudioError) {
         if (isInThread() == false) {
             pa_threaded_mainloop_unlock(__mpMainloop);
         }
-    } catch (CAudioError e) {
+    } catch (CAudioError& e) {
         if (isInThread() == false) {
             pa_threaded_mainloop_unlock(__mpMainloop);
         }
-        throw e;
+        throw;
     }
 
     return ret;