[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/multimedia/audio-tuning/audio-xml-parser/audio_big_sw/AudioParamParser.c b/src/multimedia/audio-tuning/audio-xml-parser/audio_big_sw/AudioParamParser.c
new file mode 100644
index 0000000..69e036b
--- /dev/null
+++ b/src/multimedia/audio-tuning/audio-xml-parser/audio_big_sw/AudioParamParser.c
@@ -0,0 +1,1692 @@
+// SPDX-License-Identifier: MediaTekProprietary
+/* MediaTek Inc. (C) 2016. All rights reserved.
+ *
+ * Copyright Statement:
+ * This software/firmware and related documentation ("MediaTek Software") are
+ * protected under relevant copyright laws. The information contained herein is
+ * confidential and proprietary to MediaTek Inc. and/or its licensors. Without
+ * the prior written permission of MediaTek inc. and/or its licensors, any
+ * reproduction, modification, use or disclosure of MediaTek Software, and
+ * information contained herein, in whole or in part, shall be strictly
+ * prohibited.
+ */
+
+/*
+ * Description:
+ *   Implement AppHandle related APIs
+ */
+
+#include "AudioParamParserPriv.h"
+
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+
+#ifdef __linux__
+#include <dirent.h>
+#include <unistd.h>
+#else
+#include <windows.h>
+#include <io.h>
+#pragma warning( disable : 4996 )
+#endif
+
+static AppHandle appHandleInst;
+static int appHandleInited = 0;
+
+#ifdef FORCE_DEBUG_LEVEL
+int appDebugLevel = DEBUG_LEVEL;        /* Global debug level setting */
+#else
+int appDebugLevel = WARN_LEVEL;         /* Global debug level setting */
+#endif
+
+const char **appAudioTypeLoadingList = NULL;
+
+FILE *appLogFp = NULL;
+int outputLogToStdout = 0;
+
+#ifndef WIN32
+static pthread_rwlock_t appHandleInstLock = PTHREAD_RWLOCK_INITIALIZER;
+static const char *appHandleInstLockCallerFun = NULL;  /* Used to cache the lock holder */
+#else
+int __stdcall DllMain(HINSTANCE hInstance, DWORD dwReason, PVOID pvReserved) {
+    return TRUE;
+}
+#endif
+
+int getDebugLevel() {
+#if !defined(WIN32) && !defined(SYS_IMPL)
+    int debugLevel;;
+    char appDebugLevelStr[MAX_PROP_VALUE_LEN] = {0};
+
+    property_get(PROPERTY_KEY_APP_LOG_LEVEL, appDebugLevelStr, "-1");
+    debugLevel = atoi(appDebugLevelStr);
+    MUST_LOG("debug level = %d", debugLevel);
+
+    if (debugLevel != -1) {
+        return debugLevel;
+    }
+#endif
+
+    return appDebugLevel;
+}
+
+EXPORT APP_STATUS appHandleInit(AppHandle *appHandle) {
+#ifdef _DEBUG
+    /* Alwasy show the output console for debug build */
+    appHandleRedirectIOToConsole();
+#endif
+
+    INFO_LOG("appHandle = 0x%p\n", appHandle);
+
+    if (appHandle) {
+        appHandle->xmlDir = NULL;
+        appHandle->xmlCusDir = NULL;
+        appHandle->audioTypeHash = NULL;
+        appHandle->featureOptionsHash = NULL;
+        appHandle->featureOptionsDoc = NULL;
+        appHandle->noficyCbList = NULL;
+        appHandle->xmlCusDirReady = 0;
+        appHandle->saveXmlWithHexMode = 1;
+#ifndef WIN32
+        appHandle->lockCallerFun = NULL;
+        appHandle->appThreadExit = 0;
+        appHandle->inotifyFd = -1;
+        appHandle->xmlChangedNotifyEnabled = isCustXmlEnable();
+
+        pthread_rwlock_init(&appHandle->lock, NULL);
+        pthread_rwlock_init(&appHandle->notifyLock, NULL);
+#else
+        appHandle->xmlChangedNotifyEnabled = 1;
+#endif
+        appDebugLevel = getDebugLevel();
+        appHandleShowAudioTypeSupportedVerInfo(appHandle);
+        utilDumpAudioTypeLoadingList(appAudioTypeLoadingList);
+        return APP_NO_ERROR;
+    } else {
+        WARN_LOG("AppHandle is NULL!\n");
+        return APP_ERROR;
+    }
+}
+
+EXPORT APP_STATUS appHandleUninit(AppHandle *appHandle) {
+    INFO_LOG("appHandle = 0x%p\n", appHandle);
+
+    if (!appHandle) {
+        WARN_LOG("AppHandle is NULL!\n");
+        return APP_ERROR;
+    } else {
+        NotifyCb *notifyCb = NULL, *tmp = NULL;
+
+#if defined(SYS_IMPL)
+        /* sys: Unload hw module & unregister hidl callback function */
+        unregisterAudioParameterChangedCallback(appHandle);
+#endif
+
+        /* Lock */
+        appHandleWriteLock(appHandle, __FUNCTION__);
+
+        if (appHandle->xmlDir != XML_FOLDER_LIST_ON_DEVICE && appHandle->xmlDir != XML_FOLDER_LIST_ON_TUNING_TOOL) {
+            /* Free the xmlDir which get from property */
+            free((void *)appHandle->xmlDir[0]);
+            free((void *)appHandle->xmlDir);
+        }
+        appHandle->xmlDir = NULL;
+
+        if (appHandle->xmlCusDir) {
+            free(appHandle->xmlCusDir);
+        }
+        appHandle->xmlCusDir = NULL;
+
+        if (appHandle->featureOptionsDoc) {
+            xmlFreeDoc(appHandle->featureOptionsDoc);
+        }
+        appHandle->featureOptionsDoc = NULL;
+
+#ifndef WIN32
+        if (appHandle->appThreadExit == 0) {
+            void *status = NULL;
+            appHandle->appThreadExit = 1;
+            INFO_LOG("Send signal to appThread\n");
+            pthread_kill(appHandle->appThread, SIGUSR1);
+
+            /* TODO: Don't join the inotify thread, since the read function is block waiting */
+            INFO_LOG("Waiting inotify thread join...\n");
+            pthread_join(appHandle->appThread, &status);
+            INFO_LOG("inotify thread joined\n");
+            appHandle->inotifyFd = 0;
+        }
+#endif
+
+        // release notify callback list
+        LL_FOREACH_SAFE(appHandle->noficyCbList, notifyCb, tmp) {
+            LL_DELETE(appHandle->noficyCbList, notifyCb);
+            free(notifyCb);
+        }
+        appHandle->noficyCbList = NULL;
+
+        /* If appHandle is singleton instance, reset the init info */
+        if (appHandle == &appHandleInst) {
+            appHandleInited = 0;
+        }
+
+        appHandleReleaseAudioTypeHash(appHandle);
+
+        appHandleReleaseFeatureOptionsHash(appHandle);
+
+        xmlCleanupParser();
+
+        /* Flush app log */
+        if (appLogFp) {
+            fflush(appLogFp);
+        }
+
+        appAudioTypeLoadingList = NULL;
+
+        /* Unlock */
+        appHandleUnlock(appHandle);
+
+        return APP_NO_ERROR;
+    }
+}
+
+EXPORT const char *appHandleGetBuildTimeStamp() {
+#ifdef WIN32
+    return __DATE__ " " __TIME__;
+#else
+    return "";
+#endif
+}
+
+EXPORT int appHandleWriteLock(AppHandle *appHandle, const char *callerFun) {
+    int res = 0;
+
+    if (!appHandle) {
+        WARN_LOG("appHandle is NULL\n");
+        return res;
+    }
+
+#ifndef WIN32
+    while (1) {
+        if (pthread_rwlock_trywrlock(&appHandle->lock) == 0) {
+            appHandle->lockCallerFun = callerFun;
+            DEBUG_LOG("AppHandle lock is locked by %s()\n", appHandle->lockCallerFun);
+            break;
+        } else {
+            DEBUG_LOG("Cannot lock the AppHandle lock, delay some time. (the locker is %s())\n", appHandle->lockCallerFun);
+            utilUsleep(1);
+        }
+    }
+#else
+    //DEBUG_LOG("Not support this function yet!\n");
+#endif
+    return res;
+}
+
+EXPORT int appHandleReadLock(AppHandle *appHandle, const char *callerFun) {
+    int res = 0;
+
+    if (!appHandle) {
+        WARN_LOG("appHandle is NULL\n");
+        return res;
+    }
+
+#ifndef WIN32
+    while (1) {
+        if (pthread_rwlock_tryrdlock(&appHandle->lock) == 0) {
+            appHandle->lockCallerFun = callerFun;
+            DEBUG_LOG("AppHandle lock is locked by %s()\n", appHandle->lockCallerFun);
+            break;
+        } else {
+            DEBUG_LOG("Cannot lock the AppHandle lock, delay some time. (the locker is %s())\n", appHandle->lockCallerFun);
+            utilUsleep(1);
+        }
+    }
+#else
+    //DEBUG_LOG("Not support this function yet!\n");
+#endif
+    return res;
+}
+
+EXPORT int appHandleUnlock(AppHandle *appHandle) {
+    int res = 0;
+
+    if (!appHandle) {
+        WARN_LOG("appHandle is NULL\n");
+        return res;
+    }
+
+#ifndef WIN32
+    DEBUG_LOG("Unlock appHandle lock\n");
+    res = pthread_rwlock_unlock(&appHandle->lock);
+#endif
+    return res;
+}
+
+EXPORT int appHandleInstWriteLock(const char *callerFun) {
+    int res = 0;
+
+#ifndef WIN32
+    while (1) {
+        if (pthread_rwlock_trywrlock(&appHandleInstLock) == 0) {
+            appHandleInstLockCallerFun = callerFun;
+            DEBUG_LOG("%s acquired the appHandleInstLock\n", callerFun);
+            break;
+        } else {
+            DEBUG_LOG("Cannot lock the appHandleInstLock, delay some time. (the locker is %s)\n", callerFun);
+            utilUsleep(1);
+        }
+    }
+#else
+    //DEBUG_LOG("Not support this function yet!\n");
+#endif
+    return res;
+}
+
+EXPORT int appHandleInstUnlock() {
+    int res = 0;
+#ifndef WIN32
+    DEBUG_LOG("Unlock appHandleInst lock\n");
+    res = pthread_rwlock_unlock(&appHandleInstLock);
+#endif
+    return res;
+}
+
+EXPORT FeatureOption *featureOptionCreate(const char *name, const char *value) {
+    FeatureOption *featureOption = malloc(sizeof(FeatureOption));
+    if (!featureOption) {
+        ERR_LOG("malloc fail!\n");
+        return NULL;
+    }
+
+    featureOption->name = strdup(name);
+    featureOption->value = strdup(value);
+    return featureOption;
+}
+
+EXPORT void featureOptionRelease(FeatureOption *featureOption) {
+    free(featureOption->name);
+    free(featureOption->value);
+    free(featureOption);
+}
+
+EXPORT void appHandleReleaseFeatureOptionsHash(AppHandle *appHandle) {
+    if (appHandle->featureOptionsHash) {
+        FeatureOption *tmp = NULL, *item = NULL;
+        HASH_ITER(hh, appHandle->featureOptionsHash, item, tmp) {
+            if (appHandle->featureOptionsHash) {
+                HASH_DEL(appHandle->featureOptionsHash, item);
+                featureOptionRelease(item);
+            }
+        }
+    }
+    appHandle->featureOptionsHash = NULL;
+}
+
+EXPORT AppHandle *appHandleGetInstance() {
+    appHandleInstWriteLock(__FUNCTION__);
+
+    if (!appHandleInited) {
+        appHandleInit(&appHandleInst);
+#ifdef WIN32
+        appHandleParseXml(&appHandleInst, XML_FOLDER_LIST_ON_TUNING_TOOL, XML_CUS_FOLDER_ON_TUNING_TOOL);
+#else
+        char **xmlDirFromProperty = appGetXmlDirFromProperty();
+
+        if (xmlDirFromProperty) {
+            appHandleParseXml(&appHandleInst, (const char**)xmlDirFromProperty, XML_CUS_FOLDER_ON_DEVICE);
+        } else {
+            appHandleParseXml(&appHandleInst, XML_FOLDER_LIST_ON_DEVICE, XML_CUS_FOLDER_ON_DEVICE);
+        }
+#endif
+        appHandleInited = 1;
+    }
+
+    appHandleInstUnlock();
+
+    return &appHandleInst;
+}
+
+EXPORT APP_STATUS appHandleParseXml(AppHandle *appHandle, const char *dir[], const char *cusDir) {
+    int i;
+    INFO_LOG("appHandle = 0x%p, dir = %s, cusDir = %s\n", appHandle, dir[0], cusDir);
+
+    if (!appHandle) {
+        ERR_LOG("appHandle is NULL!\n");
+        return APP_ERROR;
+    }
+
+    if (!dir) {
+        ERR_LOG("dir is NULL\n");
+        return APP_ERROR;
+    }
+
+    if (appHandle->xmlDir || appHandle->xmlCusDir) {
+        ERR_LOG("XML already parsed, don't call the appHandleParseXml twice!\n");
+        return APP_ERROR;
+    }
+
+    appHandleWriteLock(appHandle, __FUNCTION__);
+
+    appHandle->xmlDir = dir;
+    appHandle->xmlCusDir = strdup(cusDir);
+    for (i = 0; appHandle->xmlDir[i]; i++) {
+        INFO_LOG("XmlDir[%d] = %s\n", i, appHandle->xmlDir[i]);
+    }
+    INFO_LOG("XmlCusDir = %s\n", appHandle->xmlCusDir);
+
+#if !defined(SYS_IMPL)
+    /* Load feature options information */
+    appHandleLoadDirFeatureOptionsInfo(appHandle);
+
+    /* Load audio type information */
+    appHandleLoadDirAudioTypeInfo(appHandle);
+#endif
+
+    appHandleUnlock(appHandle);
+
+#ifndef WIN32
+#if defined(SYS_IMPL)
+    /* sys: For system AudioParamParser, it's need to register AudioParamParserChanged HIDL callback with AudioHAL */
+    registerAudioParameterChangedCallback(appHandle);
+#else
+    /* For vendor AudioParamParser, it's need to monitor file change */
+    /* Setup file system monitor thread */
+    if (pthread_create(&appHandle->appThread, NULL, appHandleThreadLoop, (void *)appHandle)) {
+        ERR_LOG("Create app thread fail!\n");
+        return APP_ERROR;
+    } else {
+        INFO_LOG("Create app thread successfully\n");
+    }
+#endif
+#endif
+
+    return APP_NO_ERROR;
+}
+
+EXPORT void appHandleCustXmlEnableChanged(AppHandle *appHandle, int enable) {
+#ifndef WIN32
+#if defined(SYS_IMPL)
+    /* SYS: Notify vendor parser to change the cust XML monitor status */
+    if (enable) {
+        audioSystemSetParameters("SET_CUST_XML_ENABLE=1");
+    } else {
+        audioSystemSetParameters("SET_CUST_XML_ENABLE=0");
+    }
+#else
+    /* VND: Reload XML or disable the XML changed notification */
+    if (!appHandle) {
+        ERR_LOG("AppHandle is NULL\n");
+        return;
+    }
+
+    if (enable == 1) {
+        pthread_t reloadCustXmlThread;
+
+        appHandle->xmlChangedNotifyEnabled = 1;
+        INFO_LOG("xmlChangedNotifyEnabled = %d\n", appHandle->xmlChangedNotifyEnabled);
+
+        /* Create a thread to reload all cust XML */
+        if (pthread_create(&reloadCustXmlThread, NULL, reloadCustXmlThreadLoop, (void *)appHandle)) {
+            ERR_LOG("Create reload cust xml thread fail!\n");
+        }
+    } else {
+        appHandle->xmlChangedNotifyEnabled = 0;
+        INFO_LOG("xmlChangedNotifyEnabled = %d\n", appHandle->xmlChangedNotifyEnabled);
+    }
+#endif
+#endif
+}
+
+EXPORT APP_STATUS appHandleLoadDirFeatureOptionsInfo(AppHandle *appHandle) {
+    struct stat fileStat;
+    int strLen;
+    char *featureOptionsFile = NULL;
+    xmlNode *node = NULL;
+    xmlNode *root = NULL;
+    xmlChar *name = NULL;
+    xmlChar *value = NULL;
+    int i = 0;
+
+    if (!appHandle) {
+        ERR_LOG("appHandle is NULL!\n");
+        return APP_ERROR;
+    }
+
+    if (!appHandle->xmlDir) {
+        ERR_LOG("xmlDir is NULL!\n");
+        return APP_ERROR;
+    }
+
+    if (appHandle->featureOptionsHash) {
+        WARN_LOG("Feature options already loaded, don't reload it!\n");
+        return APP_NO_ERROR;
+    }
+
+    /* Get feature option file path */
+    for (i = 0; appHandle->xmlDir[i]; i++) {
+        strLen = strlen(appHandle->xmlDir[i]) + strlen(FEATURE_OPTIONS_XML) + 2;
+        featureOptionsFile = (char *)malloc(strLen);
+        if (!featureOptionsFile) {
+            WARN_LOG("malloc fail (size = %d)", strLen);
+            return APP_ERROR;
+        }
+
+        snprintf(featureOptionsFile, strLen, "%s%s%s", appHandle->xmlDir[i], FOLDER, FEATURE_OPTIONS_XML);
+        ERR_LOG("Feature option file: %s", featureOptionsFile);
+
+        if (stat(featureOptionsFile, &fileStat) == -1) {
+            INFO_LOG("No %s file\n", featureOptionsFile);
+            free(featureOptionsFile);
+            featureOptionsFile = NULL;
+        } else {
+            break;
+        }
+    }
+
+    if (featureOptionsFile == NULL) {
+        ERR_LOG("Feature option file not found!");
+        return APP_ERROR;
+    }
+
+    appHandle->featureOptionsDoc = xmlParseFile(featureOptionsFile);
+    if (appHandle->featureOptionsDoc == NULL) {
+        ERR_LOG("Failed to parse %s\n", featureOptionsFile);
+        free(featureOptionsFile);
+        return APP_ERROR;
+    } else {
+        INFO_LOG("Load xml file successfully. (%s)\n", featureOptionsFile);
+    }
+    free(featureOptionsFile);
+
+    /* Parse informatino to feature options hash */
+    root = xmlDocGetRootElement(appHandle->featureOptionsDoc);
+    if (!root) {
+        ERR_LOG("Root element is NULL\n");
+        return APP_ERROR;
+    }
+
+    node = findXmlNodeByElemName(root, ELEM_AUDIO_FEATURE_OPTIONS);
+    if (node && node->children) {
+        node = node->children;
+    } else {
+        ERR_LOG("No feature options found!\n");
+        return APP_ERROR;
+    }
+
+    while ((node = findXmlNodeByElemName(node->next, ELEM_PARAM))) {
+        FeatureOption *featureOption = NULL;
+        name = xmlGetProp(node, (const xmlChar *)ATTRI_NAME);
+        value = xmlGetProp(node, (const xmlChar *)ATTRI_VALUE);
+
+        featureOption = featureOptionCreate((const char *)name, (const char *)value);
+        if (featureOption) {
+            HASH_ADD_KEYPTR(hh, appHandle->featureOptionsHash, featureOption->name, strlen(featureOption->name), featureOption);
+        } else {
+            WARN_LOG("featureOptionCreate fail (name = %s)", name);
+        }
+
+        if (name) {
+            xmlFree(name);
+        }
+
+        if (value) {
+            xmlFree(value);
+        }
+    }
+
+    return APP_NO_ERROR;
+}
+
+EXPORT APP_STATUS appHandleLoadDirAudioTypeInfo(AppHandle *appHandle) {
+    char audioType[MAX_AUDIO_TYPE_LEN + 1];
+
+#ifdef __linux__
+    struct dirent **namelist = NULL;
+    int n;
+    int dirIndex;
+
+    if (!appHandle) {
+        ERR_LOG("appHandle is NULL!\n");
+        return APP_ERROR;
+    }
+
+    /* Release old audio type first */
+    appHandleReleaseAudioTypeHash(appHandle);
+    for (dirIndex = 0; appHandle->xmlDir[dirIndex];  dirIndex++) {
+        n = scandir(appHandle->xmlDir[dirIndex], &namelist, 0, alphasort);
+        if (n < 0) {
+            INFO_LOG("Scandir error (%s)\n", appHandle->xmlDir[dirIndex]);
+        } else {
+            while (n--) {
+                if (strstr(namelist[n]->d_name, AUDIO_PARAM_XML_POSFIX) == NULL) {
+                    DEBUG_LOG("File name's posfix is not AudioParam.xml (%s)\n", namelist[n]->d_name);
+                    free(namelist[n]);
+                    continue;
+                }
+                sscanf(namelist[n]->d_name, AUDIO_TYPE_FMT_STR(MAX_AUDIO_TYPE_LEN), audioType);
+                if (appHandleIsValidAudioType(appHandle, audioType)) {
+                    appHandleAddAudioType(appHandle, audioType);
+                } else {
+                    MUST_LOG("Don't load audio param xml = %s\n", namelist[n]->d_name);
+                }
+                free(namelist[n]);
+            }
+            free(namelist);
+        }
+    }
+
+    INFO_LOG("xmlCusDirReady = %d\n", appHandle->xmlCusDirReady);
+#else
+    WIN32_FIND_DATA FindFileData;
+    HANDLE hFind;
+    UT_string *path = NULL;
+    int i;
+
+    if (!appHandle) {
+        ERR_LOG("appHandle is NULL!\n");
+        return APP_ERROR;
+    }
+
+    /* Release old audio type first */
+    appHandleReleaseAudioTypeHash(appHandle);
+
+    /* Check preload xml folder */
+    for (i = 0; appHandle->xmlDir[i]; i++) {
+        utstring_new(path);
+        utstring_printf(path, "%s"FOLDER"*"AUDIO_PARAM_XML_POSFIX, appHandle->xmlDir[i]);
+        hFind = FindFirstFile(utstring_body(path), &FindFileData);
+        utstring_free(path);
+
+        if (hFind == INVALID_HANDLE_VALUE) {
+            WARN_LOG("No xml found! (%s)\n", appHandle->xmlDir[i]);
+            continue;
+        }
+
+        do {
+            sscanf(FindFileData.cFileName, AUDIO_TYPE_FMT_STR(MAX_AUDIO_TYPE_LEN), audioType);
+
+            if (appHandleIsValidAudioType(appHandle, audioType)) {
+                appHandleAddAudioType(appHandle, audioType);
+            } else {
+                INFO_LOG("Invalid audio param xml = %s\n", FindFileData.cFileName);
+            }
+        } while (FindNextFile(hFind, &FindFileData));
+    }
+
+    /* Assume xml cust dir always ready */
+    appHandle->xmlCusDirReady = 1;
+#endif
+
+    /* Load all XMLs */
+    appHandleLoadAllAudioTypeXml(appHandle);
+    INFO_LOG("Load all audio type XML - ok\n");
+
+    /* Remove audio type if it's feature options disabled */
+    appHandleRemoveAudioTypeByFeatureOptions(appHandle);
+
+    /* Modify data depends on feature options */
+    appHandleReviseXmlDocByFeatureOptions(appHandle);
+
+    /* Load hash info from XML */
+    appHandleLoadAllAudioTypeHash(appHandle);
+    INFO_LOG("Load all audio Hash - ok\n");
+
+    if (appDebugLevel == DEBUG_LEVEL) {
+        appHandleDumpAudioTypeList(appHandle);
+    }
+
+    /* Unload all audio type xml */
+    appHandleReleaseAllAudioTypeXml(appHandle);
+
+    return APP_NO_ERROR;
+}
+
+EXPORT size_t appHandleGetNumOfAudioType(AppHandle *appHandle) {
+    if (!appHandle) {
+        ERR_LOG("appHandle is NULL!\n");
+        return APP_ERROR;
+    }
+
+    return HASH_COUNT(appHandle->audioTypeHash);
+}
+
+EXPORT APP_STATUS appHandleLoadAllAudioTypeXml(AppHandle *appHandle) {
+    size_t i;
+    size_t count = appHandleGetNumOfAudioType(appHandle);
+
+    for (i = 0; i < count; i++) {
+        AudioType *audioType = appHandleGetAudioTypeByIndex(appHandle, i);
+
+        /* Load xml struct */
+        if (audioType == NULL) {
+            ERR_LOG("audioType is NULL\n");
+            continue;
+        }
+
+        if (appHandleLoadAudioTypeXml(appHandle, audioType) == APP_ERROR) {
+            WARN_LOG("Load audio type XML failed. (%s)\n", audioType->name);
+        }
+    }
+
+    return APP_NO_ERROR;
+}
+
+EXPORT APP_STATUS appHandleLoadAudioTypeXml(AppHandle *appHandle, AudioType *audioType) {
+    char *audioTypeFile = NULL;
+
+    INFO_LOG("audioType = %s\n", audioType->name);
+
+    // Load AudioParamXml
+    audioTypeFile = appHandleGetAudioTypeFilePath(appHandle, audioType->name, AUDIO_PARAM_XML_POSFIX);
+    if (audioTypeFile == NULL) {
+        WARN_LOG("The AudioTypeFile(%s%s) doesn't exist.\n", audioType->name, AUDIO_PARAM_XML_POSFIX);
+        return APP_ERROR;
+    }
+
+    audioType->audioParamDoc = xmlParseFile(audioTypeFile);
+
+    if (audioType->audioParamDoc == NULL) {
+        ERR_LOG("Failed to parse %s\n", audioTypeFile);
+        free(audioTypeFile);
+
+        // Audio param file broken, load preload xml file instead
+        audioTypeFile = appHandleGetPreloadAudioTypeFilePath(appHandle, audioType->name, AUDIO_PARAM_XML_POSFIX);
+        if (audioTypeFile == NULL) {
+            WARN_LOG("The AudioTypeFile(%s%s) doesn't exist.\n", audioType->name, AUDIO_PARAM_XML_POSFIX);
+            return APP_ERROR;
+        }
+
+        WARN_LOG("Trying to load preload %s file instead of broken XML file!\n", audioTypeFile);
+        audioType->audioParamDoc = xmlParseFile(audioTypeFile);
+        if (audioType->audioParamDoc == NULL) {
+            ERR_LOG("Failed to parse %s\n", audioTypeFile);
+            free(audioTypeFile);
+            return APP_ERROR;
+        } else {
+            INFO_LOG("Load xml file successfully. (%s)\n", audioTypeFile);
+        }
+    } else {
+        INFO_LOG("Load xml file successfully. (%s)\n", audioTypeFile);
+    }
+
+    free(audioTypeFile);
+
+    // Load ParamUnitDescXml
+    audioTypeFile = appHandleGetAudioTypeFilePath(appHandle, audioType->name, PARAM_UNIT_DESC_XML_POSFIX);
+    if (audioTypeFile == NULL) {
+        WARN_LOG("The AudioTypeFile(%s%s) doesn't exist.\n", audioType->name, PARAM_UNIT_DESC_XML_POSFIX);
+        return APP_ERROR;
+    }
+
+    audioType->paramUnitDescDoc = xmlParseFile(audioTypeFile);
+    if (audioType->paramUnitDescDoc == NULL) {
+        ERR_LOG("Failed to parse %s%s\n", audioTypeFile, PARAM_UNIT_DESC_XML_POSFIX);
+        free(audioTypeFile);
+        return APP_ERROR;
+    } else {
+        INFO_LOG("Load xml file successfully. (%s)\n", audioTypeFile);
+    }
+    free(audioTypeFile);
+
+#ifdef WIN32
+    // Load ParamTreeViewXml only for tuning tool
+    audioTypeFile = appHandleGetAudioTypeFilePath(appHandle, audioType->name, PARAM_TREE_VIEW_XML_POSFIX);
+    if (audioTypeFile == NULL) {
+        INFO_LOG("The AudioTypeFile(%s%s) doesn't exist.\n", audioType->name, PARAM_TREE_VIEW_XML_POSFIX);
+        free(audioTypeFile);
+    } else {
+        audioType->paramTreeViewDoc = xmlParseFile(audioTypeFile);
+        if (audioType->paramTreeViewDoc == NULL) {
+            DEBUG_LOG("Failed to parse %s%s\n", audioTypeFile, PARAM_TREE_VIEW_XML_POSFIX);
+        } else {
+            INFO_LOG("Load xml file successfully. (%s)\n", audioTypeFile);
+        }
+        free(audioTypeFile);
+    }
+#endif
+
+    /* Get tab name info */
+    audioTypeParseTabName(audioType);
+
+    /* Get version info */
+    if (audioTypeParseXmlVer(audioType) == APP_ERROR) {
+        ERR_LOG("Cannot parse xml version info. (%s)\n", audioType->name);
+        return APP_ERROR;
+    }
+
+#ifndef WIN32
+    /* XML Version check for device driver or HAL */
+    if (!audioTypeIsDeviceSupportedXmlVer(audioType)) {
+        abort();
+    }
+#endif
+
+    return APP_NO_ERROR;
+}
+
+EXPORT char *appHandleGetAudioTypeFilePath(AppHandle *appHandle, const char *audioType, const char *posfix) {
+    /* Check cus folder xml first */
+    struct stat fileStat;
+    int strLen = 0;
+    char *path = NULL;
+    int i = 0;
+
+    if (appHandle->xmlChangedNotifyEnabled && appHandle->xmlCusDir && !strncmp(posfix, AUDIO_PARAM_XML_POSFIX, strlen(AUDIO_PARAM_XML_POSFIX) + 1)) {
+        strLen = strlen(appHandle->xmlCusDir) + strlen(audioType) + strlen(posfix) + 2;
+        path = (char *)malloc(strLen);
+        if (!path) {
+            ERR_LOG("malloc fail!\n");
+            return NULL;
+        }
+
+        snprintf(path, strLen, "%s%s%s%s", appHandle->xmlCusDir, FOLDER, audioType, posfix);
+
+        if (stat(path, &fileStat) != -1) {
+            return path;
+        } else {
+            free(path);
+        }
+    }
+
+    /* Check default folder */
+    for (i = 0; appHandle->xmlDir[i]; i++) {
+        strLen = strlen(appHandle->xmlDir[i]) + strlen(audioType) + strlen(posfix) + 2;
+        path = (char *)malloc(strLen);
+        if (!path) {
+            ERR_LOG("malloc fail!\n");
+            continue;
+        }
+
+        snprintf(path, strLen, "%s%s%s%s", appHandle->xmlDir[i], FOLDER, audioType, posfix);
+
+        if (stat(path, &fileStat) != -1) {
+            return path;
+        }
+
+        free(path);
+    }
+
+    return NULL;
+}
+
+EXPORT char *appHandleGetPreloadAudioTypeFilePath(AppHandle *appHandle, const char *audioType, const char *posfix) {
+    /* Check cus folder xml first */
+    struct stat fileStat;
+    int strLen = 0;
+    char *path = NULL;
+    int i = 0;
+
+    /* Check default folder */
+    for (i = 0; appHandle->xmlDir[i]; i++) {
+        strLen = strlen(appHandle->xmlDir[i]) + strlen(audioType) + strlen(posfix) + 2;
+        path = (char *)malloc(strLen);
+        if (!path) {
+            ERR_LOG("malloc fail!\n");
+            continue;
+        }
+
+        snprintf(path, strLen, "%s%s%s%s", appHandle->xmlDir[i], FOLDER, audioType, posfix);
+
+        if (stat(path, &fileStat) != -1) {
+            return path;
+        }
+
+        free(path);
+    }
+    return NULL;
+}
+
+EXPORT int appHandleIsValidAudioType(AppHandle *appHandle, const char *audioType) {
+    char *filePath = NULL;
+
+    assert(appHandle != NULL);
+
+#ifndef WIN32
+    /* UI parameter is valid for win32 */
+    if (utilIsUIAudioType(audioType)) {
+        return 0;
+    }
+#endif
+
+    if (utilIsAudioTypeInLoadingList(audioType) == 0) {
+        return 0;
+    }
+
+    filePath = appHandleGetAudioTypeFilePath(appHandle, audioType, PARAM_UNIT_DESC_XML_POSFIX);
+    if (filePath == NULL) {
+        ERR_LOG("%s audio type is not valid! (%s is not exist)\n", audioType, filePath);
+        free(filePath);
+        return 0;
+    }
+
+    free(filePath);
+    return 1;
+}
+
+EXPORT AudioType *appHandleAddAudioType(AppHandle *appHandle, const char *audioTypeName) {
+    AudioType *audioType = NULL;
+
+    if (!appHandle) {
+        ERR_LOG("The appHandle is NULL\n");
+        return NULL;
+    }
+
+    if (!audioTypeName) {
+        ERR_LOG("The audioTypeName is NULL\n");
+        return NULL;
+    }
+
+    if (appHandleGetAudioTypeByName(appHandle, audioTypeName) == NULL) {
+        audioType = audioTypeCreate(appHandle, audioTypeName);
+
+        /* Add audio type to hash */
+        if (audioType) {
+            HASH_ADD_KEYPTR(hh, appHandle->audioTypeHash, audioType->name, strlen(audioType->name), audioType);
+        } else {
+            WARN_LOG("create audioType fail. (%s)", audioTypeName);
+        }
+    } else {
+        INFO_LOG("%s(), %s Audio type alread added\n", __FUNCTION__, audioTypeName);
+    }
+    return audioType;
+}
+
+EXPORT AudioType *appHandleGetAudioTypeByIndex(AppHandle *appHandle, size_t index) {
+    AudioType *audioType = NULL;
+    size_t i = 0;
+
+    DEBUG_LOG("appHandle = 0x%p, index = "APP_SIZE_T_FT"\n", appHandle, index);
+
+    if (!appHandle) {
+        ERR_LOG("appHandle is NULL!\n");
+        return NULL;
+    }
+
+    for (audioType = appHandle->audioTypeHash; audioType ; audioType = audioType->hh.next) {
+        if (index == i++) {
+            return audioType;
+        }
+    }
+
+    return NULL;
+}
+
+EXPORT AudioType *appHandleGetAudioTypeByName(AppHandle *appHandle, const char *name) {
+    AudioType *audioType = NULL;
+
+    INFO_LOG("appHandle = 0x%p, name = %s\n", appHandle, name);
+
+    if (!appHandle) {
+        ERR_LOG("appHandle is NULL!\n");
+        return NULL;
+    }
+
+    HASH_FIND_STR(appHandle->audioTypeHash, name, audioType);
+
+    return audioType;
+}
+
+EXPORT void appHandleReleaseAudioTypeHash(AppHandle *appHandle) {
+    if (appHandle->audioTypeHash) {
+        AudioType *tmp = NULL, *item = NULL;
+        HASH_ITER(hh, appHandle->audioTypeHash, item, tmp) {
+            if (appHandle->audioTypeHash) {
+                HASH_DEL(appHandle->audioTypeHash, item);
+                audioTypeRelease(item);
+            }
+        }
+    }
+    appHandle->audioTypeHash = NULL;
+}
+
+EXPORT void appHandleDumpAudioTypeList(AppHandle *appHandle) {
+    size_t index = 0;
+    size_t numOfAudioType = appHandleGetNumOfAudioType(appHandle);
+    INFO_LOG("=================================\n");
+    INFO_LOG("Totoal num of Audio Type List = "APP_SIZE_T_FT"\n", numOfAudioType);
+    for (index = 0; index < numOfAudioType; index++) {
+        AudioType *audioType = appHandleGetAudioTypeByIndex(appHandle, index);
+        if (audioType == NULL) {
+            WARN_LOG("audioType is NULL. (idx = "APP_SIZE_T_FT")", index);
+            continue;
+        }
+        INFO_LOG("AudioType["APP_SIZE_T_FT"] = %s\n", index, audioType->name);
+        audioTypeDump(audioType);
+    }
+}
+
+EXPORT APP_STATUS appHandleLoadAllAudioTypeHash(AppHandle *appHandle) {
+    size_t index = 0;
+    size_t numOfAudioType = appHandleGetNumOfAudioType(appHandle);
+    /* Load stage1 information */
+    for (index = 0; index < numOfAudioType; index++) {
+        AudioType *audioType = appHandleGetAudioTypeByIndex(appHandle, index);
+        if (audioType == NULL) {
+            WARN_LOG("audioType is NULL. (idx = "APP_SIZE_T_FT")", index);
+            continue;
+        }
+        audioTypeLoadStage1Hash(audioType);
+    }
+
+    /* Load stage2 information (ex: ParamTreeView's switch object)*/
+    for (index = 0; index < numOfAudioType; index++) {
+        AudioType *audioType = appHandleGetAudioTypeByIndex(appHandle, index);
+        if (audioType == NULL) {
+            WARN_LOG("Error: appHandleGetAudioTypeByIndex fail (idx = "APP_SIZE_T_FT")", index);
+            continue;
+        }
+
+        audioTypeLoadStage2Hash(audioType);
+    }
+
+    return APP_NO_ERROR;
+}
+
+EXPORT APP_STATUS appHandleReleaseAllAudioTypeXml(AppHandle *appHandle) {
+    size_t index = 0;
+    size_t numOfAudioType = appHandleGetNumOfAudioType(appHandle);
+
+    for (index = 0; index < numOfAudioType; index++) {
+        AudioType *audioType = appHandleGetAudioTypeByIndex(appHandle, index);
+        if (audioType == NULL) {
+            WARN_LOG("appHandleGetAudioTypeByIndex fail (idx = "APP_SIZE_T_FT")", index);
+            continue;
+        }
+
+        if (audioType->paramUnitDescDoc) {
+            xmlFreeDoc(audioType->paramUnitDescDoc);
+            audioType->paramUnitDescDoc = NULL;
+        }
+
+        if (audioType->audioParamDoc) {
+            xmlFreeDoc(audioType->audioParamDoc);
+            audioType->audioParamDoc = NULL;
+        }
+    }
+
+    if (appHandle->featureOptionsDoc) {
+        xmlFreeDoc(appHandle->featureOptionsDoc);
+        appHandle->featureOptionsDoc = NULL;
+    }
+
+    return APP_NO_ERROR;
+}
+
+EXPORT void appHandleRegXmlChangedCb(AppHandle *appHandle, NOTIFY_CB_FUN callbackFun) {
+    INFO_LOG("appHandle = 0x%p, callbackFun = 0x%p\n", appHandle, callbackFun);
+
+    appHandleWriteLock(appHandle, __FUNCTION__);
+
+    if (appHandle && callbackFun) {
+        /* Checking the duplicated callback function registration */
+        NotifyCb *notifyCb = NULL;
+        LL_FOREACH(appHandle->noficyCbList, notifyCb) {
+            if (notifyCb->cb == callbackFun) {
+                INFO_LOG("Same callback function found. ignore it\n");
+                appHandleUnlock(appHandle);
+                return;
+            }
+        }
+
+        notifyCb = malloc(sizeof(NotifyCb));
+        if (notifyCb) {
+            notifyCb->cb = callbackFun;
+            LL_APPEND(appHandle->noficyCbList, notifyCb);
+        } else {
+            ERR_LOG("malloc fail!\n");
+        }
+    } else {
+        WARN_LOG("Cannot register xml callback! (AppHandle = 0x%p, callbackFun = 0x%p)\n", appHandle, callbackFun);
+    }
+
+    appHandleUnlock(appHandle);
+}
+
+EXPORT void appHandleUnregXmlChangedCb(AppHandle *appHandle, NOTIFY_CB_FUN callbackFun) {
+    INFO_LOG("appHandle = 0x%p, callbackFun = 0x%p\n", appHandle, callbackFun);
+
+    appHandleWriteLock(appHandle, __FUNCTION__);
+
+    if (appHandle && callbackFun) {
+        NotifyCb *notifyCb = NULL, *tmp = NULL;
+        LL_FOREACH_SAFE(appHandle->noficyCbList, notifyCb, tmp) {
+            if (notifyCb->cb == callbackFun) {
+                LL_DELETE(appHandle->noficyCbList, notifyCb);
+                free(notifyCb);
+                INFO_LOG("Callback function unregistered. (0x%p, 0x%p)\n", callbackFun, callbackFun);
+                break;
+            }
+        }
+    } else {
+        WARN_LOG("Cannot unregister xml callback! (AppHandle = 0x%p, callbackFun = %p)\n", appHandle, callbackFun);
+    }
+
+    appHandleUnlock(appHandle);
+}
+
+EXPORT void appHandleReloadCustXml(AppHandle *appHandle) {
+#ifndef WIN32
+    char audioTypeName[MAX_AUDIO_TYPE_LEN + 1];
+    AudioType *audioType = NULL;
+    struct dirent **namelist = NULL;
+    int n;
+
+    if (!appHandle) {
+        ERR_LOG("AppHandle is NULL\n");
+        return;
+    }
+
+    INFO_LOG("Scan the folder for applying cust audio parameter\n");
+
+    n = scandir(appHandle->xmlCusDir, &namelist, 0, alphasort);
+    if (n < 0) {
+        ERR_LOG("Scandir error (%s)\n", appHandle->xmlCusDir);
+    } else {
+        while (n--) {
+            /* File name checking */
+            if (strstr(namelist[n]->d_name, AUDIO_PARAM_XML_POSFIX) == NULL) {
+                DEBUG_LOG("File name's posfix is not AudioParam.xml (%s)\n", namelist[n]->d_name);
+                free(namelist[n]);
+                continue;
+            }
+
+            /* Find related audio type handle */
+            sscanf(namelist[n]->d_name, AUDIO_TYPE_FMT_STR(MAX_AUDIO_TYPE_LEN), audioTypeName);
+            audioType = appHandleGetAudioTypeByName(appHandle, audioTypeName);
+            if (!audioType) {
+                ERR_LOG("Cannot find the audioType handle (%s)\n", audioTypeName);
+                free(namelist[n]);
+                continue;
+            }
+            audioType->allowReload = 1;
+            MUST_LOG("Notify xml file changed. (%s)\n", audioType->name);
+
+            appHandleNotifyAllCallbacks(appHandle, audioTypeName);
+
+            /* Reload AudioType automatically */
+            appHandleReloadAudioType(appHandle, audioTypeName);
+            MUST_LOG("Reload audio type done. (%s)\n", audioType->name);
+
+            free(namelist[n]);
+        }
+        free(namelist);
+    }
+#endif
+}
+
+#ifndef WIN32
+EXPORT void *reloadCustXmlThreadLoop(void *arg) {
+    AppHandle *appHandle = (AppHandle *)arg;
+    if (!appHandle) {
+        ERR_LOG("AppHandle is NULL\n");
+        return NULL;
+    }
+
+    /* Reload cust XML */
+    while (appHandle->inotifyFd < 0) {
+        WARN_LOG("inotify not ready, waiting 1 sec...");
+        utilUsleep(1000000);
+    }
+    appHandleReloadCustXml(appHandle);
+
+    return NULL;
+}
+
+EXPORT void *appHandleThreadLoop(void *arg) {
+    /* This thread only work on linux platform */
+    /* Only eng load could monitor custom folder */
+    AppHandle *appHandle = (AppHandle *)arg;
+    ssize_t len = 0;
+    char buf[INOTIFY_BUF_SIZE];
+    char *ptr = NULL;
+    const struct inotify_event *event = NULL;
+    int remonitor = 0;
+    uint32_t iNotifyReMonitorMask = IN_DELETE_SELF | IN_UNMOUNT | IN_IGNORED | IN_Q_OVERFLOW;
+    uint32_t iNotifyReloadMask = IN_CLOSE_WRITE;
+    uint32_t iNotifyWatchEvent = IN_ALL_EVENTS | iNotifyReMonitorMask;
+
+    if (!appHandle->xmlCusDir) {
+        WARN_LOG("xmlCusDir is NULL, don't run the appHandleThreadLoop !!!");
+        exit(1);
+    }
+
+    do {    /* Re-monitor loop */
+        /* Create folder first to make inotify work */
+        utilMkdir(appHandle->xmlCusDir);
+
+        /* Register signal handler */
+        struct sigaction sa;
+        sa.sa_handler = NULL;
+        sa.sa_sigaction = &signalHandler;
+        sa.sa_flags = SA_SIGINFO;
+        sigemptyset(&sa.sa_mask);
+
+        if (sigaction(SIGUSR1, &sa, NULL) < 0) {
+            ERR_LOG("sigaction fail");
+            exit(1);
+        }
+
+        /* inotify registration */
+        appHandle->inotifyFd = inotify_init();
+        if (appHandle->inotifyFd < 0) {
+            ERR_LOG("inotify_init failed !!!");
+            exit(1);
+        }
+
+        INFO_LOG("Add inotify monitor path = %s, fd = %d, remonitor = %d\n", appHandle->xmlCusDir, appHandle->inotifyFd, remonitor);
+
+        while (1) { /* Add watch loop */
+            if (inotify_add_watch(appHandle->inotifyFd, appHandle->xmlCusDir, iNotifyWatchEvent) < 0) {
+                INFO_LOG("inotify_add_watch failed !!! try again...");
+                utilMkdir(appHandle->xmlCusDir);
+                utilUsleep(1000000);
+            } else {
+                break;
+            }
+        }
+
+        /* If the cust xml storage not ready before, reload XMLs here */
+        if (appHandle->xmlCusDirReady == 0) {
+            appHandleReloadCustXml(appHandle);
+            appHandle->xmlCusDirReady = 1;
+        }
+
+        while (!appHandle->appThreadExit) { /* Read event loop */
+            remonitor = 0;
+            INFO_LOG("inotify read waiting... (fd = %d)\n", appHandle->inotifyFd);
+            len = read(appHandle->inotifyFd, buf, sizeof(buf));
+
+            if (len < 0) {
+                if (appHandle->appThreadExit) {
+                    break;
+                }
+
+                ERR_LOG("inotify read error!\n");
+                pthread_exit(NULL);
+            }
+
+            /* Loop over all events in the buffer */
+            for (ptr = buf; ptr < buf + len; ptr += sizeof(struct inotify_event) + event->len) {
+                event = (const struct inotify_event *) ptr;
+
+                /* Checking event type that if we have to re-monitor */
+                if (event->mask & iNotifyReMonitorMask) {
+                    WARN_LOG("Got IN_DELETE_SELF|IN_UNMOUNT|IN_IGNORED event! set xmlCusDirReady with 0. (0x%x)", event->mask);
+                    remonitor = 1;
+                    appHandle->xmlCusDirReady = 0;
+                    break;
+                }
+
+                /* Check if it's reload event */
+                if (!(event->mask & iNotifyReloadMask)) {
+                    INFO_LOG("Not reload event! (0x%x)", event->mask);
+                    continue;
+                }
+
+                if (event->len) {
+                    char audioTypeName[MAX_AUDIO_TYPE_LEN + 1];
+                    AudioType *audioType;
+
+                    if (strstr(event->name, AUDIO_PARAM_XML_POSFIX) == NULL) {
+                        INFO_LOG("File name's posfix is not AudioParam.xml (%s)\n", event->name);
+                        continue;
+                    }
+
+                    sscanf(event->name, AUDIO_TYPE_FMT_STR(MAX_AUDIO_TYPE_LEN), audioTypeName);
+                    INFO_LOG("XML File chanegd (%s)\n", event->name);
+
+                    audioType = appHandleGetAudioTypeByName(appHandle, audioTypeName);
+                    if (audioType) {
+                        audioType->allowReload = 1;
+                    }
+
+                    appHandleNotifyAllCallbacks(appHandle, audioTypeName);
+
+                    /* Reload AudioType automatically */
+                    appHandleReloadAudioType(appHandle, audioTypeName);
+                }
+            }
+
+            /* Once inode changed, try to remonitor it! */
+            if (remonitor) {
+                INFO_LOG("remonitor = %d, remount inotify change!", remonitor);
+                break;
+            }
+        }
+
+        inotify_rm_watch(appHandle->inotifyFd, IN_ALL_EVENTS);
+
+        if (appHandle->inotifyFd) {
+            INFO_LOG("close inotify handle %d, remonitor = %d\n", appHandle->inotifyFd, remonitor);
+            close(appHandle->inotifyFd);
+        }
+    } while (remonitor);
+
+    INFO_LOG("appHandleThreadLoop exit\n");
+    return NULL;
+}
+
+EXPORT void appHandleNotifyAllCallbacks(AppHandle *appHandle, const char *audioTypeName) {
+    if (!appHandle) {
+        ERR_LOG("AppHandle is NULL\n");
+        return;
+    }
+
+    if (appHandle->xmlChangedNotifyEnabled == 1) {
+        /* notify users */
+        NotifyCb *notifyCb = NULL;
+        pthread_rwlock_wrlock(&appHandle->notifyLock);
+        INFO_LOG("Notify all callback function.\n");
+        LL_FOREACH(appHandle->noficyCbList, notifyCb) {
+            INFO_LOG("Notify callback function. (0x%p, %pf)\n", notifyCb->cb, notifyCb->cb);
+            (*notifyCb->cb)(appHandle, audioTypeName);
+        }
+        pthread_rwlock_unlock(&appHandle->notifyLock);
+    } else {
+        INFO_LOG("appHandle->xmlChangedNotifyEnabled = %d, don't notify callback!\n", appHandle->xmlChangedNotifyEnabled);
+    }
+}
+#endif
+
+EXPORT APP_STATUS appHandleReloadAudioType(AppHandle *appHandle, const char *audioTypeName) {
+    /* Release old audioType */
+    char *audioTypeFile;
+    AudioType *audioType;
+    xmlDocPtr newAudioParamDoc;
+
+    INFO_LOG("appHandle = 0x%p, audioTypeName = %s\n", appHandle, audioTypeName);
+
+    audioType = appHandleGetAudioTypeByName(appHandle, audioTypeName);
+    if (!audioType) {
+        ERR_LOG("Invalid AudioType name = %s\n", audioTypeName);
+        return APP_ERROR;
+    }
+
+    /* Write lock */
+    audioTypeWriteLock(audioType, __FUNCTION__);
+
+    /* Checking if the audioType reloaded */
+    if (!audioType->allowReload) {
+        INFO_LOG("AudioType is already reloaded!\n");
+        audioTypeUnlock(audioType);
+        return APP_NO_ERROR;
+    }
+
+    /* Load AudioParam XML */
+    audioTypeFile = appHandleGetAudioTypeFilePath(appHandle, audioType->name, AUDIO_PARAM_XML_POSFIX);
+    if (audioTypeFile == NULL) {
+        WARN_LOG("The AudioTypeFile(%s%s) doesn't exist.\n", audioType->name, AUDIO_PARAM_XML_POSFIX);
+        audioTypeUnlock(audioType);
+        return APP_ERROR;
+    }
+
+    newAudioParamDoc = xmlParseFile(audioTypeFile);
+    if (newAudioParamDoc == NULL) {
+        ERR_LOG("Failed to parse %s, ignore the audio type reload\n", audioTypeFile);
+        free(audioTypeFile);
+        audioTypeUnlock(audioType);
+        return APP_ERROR;
+    }
+    MUST_LOG("Load xml file successfully. (%s)\n", audioTypeFile);
+    free(audioTypeFile);
+
+    /* Release audio param XML & data */
+    audioTypeReleaseAudioParam(audioType);
+    if (audioType->audioParamDoc) {
+        xmlFreeDoc(audioType->audioParamDoc);
+        audioType->audioParamDoc = NULL;
+    }
+
+    /* Update audioParamDoc */
+    audioType->audioParamDoc = newAudioParamDoc;
+
+    /* Load AudioParam hash */
+    if (audioTypeLoadParamUnitHash(audioType) == APP_ERROR) {
+        audioTypeUnlock(audioType);
+        return APP_ERROR;
+    }
+
+    if (audioTypeLoadParamTreeHash(audioType) == APP_ERROR) {
+        audioTypeUnlock(audioType);
+        return APP_ERROR;
+    }
+
+    if (audioType->audioParamDoc) {
+        xmlFreeDoc(audioType->audioParamDoc);
+        audioType->audioParamDoc = NULL;
+    }
+
+    /* AudioType reloaded */
+    audioType->allowReload = 0;
+
+    audioTypeUnlock(audioType);
+    return APP_NO_ERROR;
+}
+
+EXPORT const char *appHandleGetFeatureOptionValue(AppHandle *appHandle, const char *featureOptionName) {
+    FeatureOption *featureOption = NULL;
+
+    if (!appHandle) {
+        ERR_LOG("appHandle is NULL\n");
+        return NULL;
+    }
+
+    if (!featureOptionName) {
+        DEBUG_LOG("featureOptionName is NULL\n");
+        return NULL;
+    }
+
+    HASH_FIND_STR(appHandle->featureOptionsHash, featureOptionName, featureOption);
+    if (featureOption) {
+        INFO_LOG("Cache found: %s = %s", featureOptionName, featureOption->value);
+        return featureOption->value;
+    } else {
+        INFO_LOG("Cache not found: %s", featureOptionName);
+    }
+
+#if defined(SYS_IMPL)
+    char *featureOptionStr = NULL;
+    UT_string *str = NULL;
+    utstring_new(str);
+    utstring_printf(str, APP_GET_FO_KEY "#%s", featureOptionName);
+    featureOptionStr = audioSystemGetParameters(utstring_body(str));
+    utstring_free(str);
+
+    // Cache FO value
+    featureOption = featureOptionCreate(featureOptionName, featureOptionStr);
+    if (featureOption) {
+        HASH_ADD_KEYPTR(hh, appHandle->featureOptionsHash, featureOption->name, strlen(featureOption->name), featureOption);
+    } else {
+        WARN_LOG("featureOptionCreate fail (name = %s)", featureOptionName);
+    }
+    free(featureOptionStr);
+
+    return featureOption->value;
+#else
+    return NULL;
+#endif
+}
+
+EXPORT int appHandleIsFeatureOptionEnabled(AppHandle *appHandle, const char *featureOptionName) {
+    const char *featureOptionValueStr = NULL;
+    if (!appHandle) {
+        WARN_LOG("appHandle is NULL\n");
+        return 0;
+    }
+
+    if (!featureOptionName) {
+        WARN_LOG("featureOptionName is NULL\n");
+        return 0;
+    }
+
+    featureOptionValueStr = appHandleGetFeatureOptionValue(appHandle, featureOptionName);
+    if (featureOptionValueStr) {
+        return !strncmp(featureOptionValueStr, "yes", strlen("yes") + 1);
+    } else {
+        DEBUG_LOG("No %s such feature option\n", featureOptionName);
+        return 0;
+    }
+}
+
+EXPORT size_t appHandleGetNumOfFeatureOption(AppHandle *appHandle) {
+    if (!appHandle) {
+        ERR_LOG("appHandle is NULL!\n");
+        return APP_ERROR;
+    }
+
+    return HASH_COUNT(appHandle->featureOptionsHash);
+}
+
+EXPORT FeatureOption *appHandleGetFeatureOptionByIndex(AppHandle *appHandle, size_t index) {
+    FeatureOption *featureOption = NULL;
+    size_t i = 0;
+
+    if (!appHandle) {
+        ERR_LOG("appHandle is NULL\n");
+        return NULL;
+    }
+
+    for (featureOption = appHandle->featureOptionsHash; featureOption ; featureOption = featureOption->hh.next) {
+        if (index == i++) {
+            return featureOption;
+        }
+    }
+
+    return NULL;
+}
+
+/* This function is only work for windows */
+EXPORT void appHandleRedirectIOToConsole() {
+    INFO_LOG("");
+#ifdef WIN32
+    if (outputLogToStdout == 0) {
+        outputLogToStdout = 1;
+        redirectIOToConsole();
+    }
+#endif
+}
+
+int removeNodeByFeatureOption(AppHandle *appHandle, xmlNode *node) {
+    /* Process Category of CategoryTpe Node */
+    xmlChar *featureOption = xmlNodeGetProp(node, ATTRI_FEATURE_OPTION);
+    xmlChar *featureOptionFullStr = featureOption;
+    if (featureOption) {
+        int not = 0;
+        if (featureOption[0] == '!') {
+            not = 1;
+            featureOption++;
+        }
+
+        if (!(not ^ appHandleIsFeatureOptionEnabled(appHandle, (char *)featureOption))) {
+            xmlChar *deleteNodeName = NULL;
+            xmlNode *deleteNode = node;
+            node = node->next;
+
+            deleteNodeName = xmlNodeGetProp(deleteNode, ATTRI_NAME);
+            INFO_LOG("Remove %s category (%s feature option is disabled)\n", deleteNodeName, featureOption);
+            xmlFree(deleteNodeName);
+            xmlUnlinkNode(deleteNode);
+            xmlFreeNode(deleteNode);
+            xmlFree(featureOptionFullStr);
+            return 1;
+        }
+        xmlFree(featureOptionFullStr);
+    }
+
+    return 0;
+}
+
+EXPORT int appHandleIsNodeFeatureOptionEnabled(AppHandle *appHandle, xmlNode *node, int defaultValue) {
+    xmlChar *featureOption = xmlNodeGetProp(node, ATTRI_FEATURE_OPTION);
+    xmlChar *featureOptionFullStr = featureOption;
+    int ret = defaultValue;
+    if (featureOption) {
+        int not = 0;
+        if (featureOption[0] == '!') {
+            not = 1;
+            featureOption++;
+        }
+
+        if (!(not ^ appHandleIsFeatureOptionEnabled(appHandle, (char *)featureOption))) {
+            ret = 0;
+        } else {
+            ret = 1;
+        }
+
+        xmlFree(featureOptionFullStr);
+    }
+
+    return ret;
+}
+
+EXPORT void appHandleRemoveAudioTypeByFeatureOptions(AppHandle *appHandle) {
+    int i = 0;
+    size_t numOfAudioType = appHandleGetNumOfAudioType(appHandle);
+    for (i = numOfAudioType - 1; i >= 0; i--) {
+        AudioType *audioType = appHandleGetAudioTypeByIndex(appHandle, i);
+        if (audioType == NULL) {
+            WARN_LOG("Cannot get audioType. (idx = %d)", i);
+            continue;
+        }
+        xmlNode *paramUnitDescNode = audioTypeGetParamUnitDescNode(audioType);
+
+        if (paramUnitDescNode) {
+            /* Checking if the ParamUnitDesc node's feature option is disabled */
+            if (appHandleIsNodeFeatureOptionEnabled(appHandle, paramUnitDescNode, 1) == 0) {
+                INFO_LOG("%s AudioType's feature option is disabled, remove it!", audioType->name);
+                HASH_DEL(appHandle->audioTypeHash, audioType);
+                audioTypeRelease(audioType);
+            }
+        }
+    }
+}
+
+EXPORT void appHandleReviseXmlDocByFeatureOptions(AppHandle *appHandle) {
+    // Travel all audioType's category & category group node
+    size_t i = 0;
+    size_t numOfAppHandle = appHandleGetNumOfAudioType(appHandle);
+    for (i = 0; i < numOfAppHandle; i++) {
+        xmlNode *categoryTypeListNode = NULL, *categoryTypeNode = NULL, *categoryGroupNode = NULL, *categoryNode = NULL, *prevCategoryGroupNode = NULL, *prevCategoryNode = NULL, *prevCategoryTypeNode = NULL;
+        xmlNode *paramUnitNode = NULL, *paramNode = NULL, *fieldNode = NULL, *preFieldNode = NULL;
+        AudioType *audioType = appHandleGetAudioTypeByIndex(appHandle, i);
+        if (audioType == NULL) {
+            WARN_LOG("Cannot get audioType. (idx = "APP_SIZE_T_FT")", i);
+            continue;
+        }
+
+        /* Revise param unit */
+        paramUnitNode = audioTypeGetParamUnitNode(audioType);
+        if (paramUnitNode) {
+            paramNode = paramUnitNode->children;
+            while ((paramNode = findXmlNodeByElemName(paramNode->next, ELEM_PARAM))) {
+                fieldNode = paramNode->children;
+                while (fieldNode && (fieldNode = findXmlNodeByElemName(fieldNode->next, ELEM_FIELD))) {
+                    preFieldNode = fieldNode->prev;
+                    if (removeNodeByFeatureOption(appHandle, fieldNode)) {
+                        fieldNode = preFieldNode;
+                        continue;
+                    }
+                }
+            }
+        }
+
+
+        /* Revise category */
+        categoryTypeListNode = audioTypeGetCategoryTypeListNode(audioType);
+        if (!categoryTypeListNode) {
+            continue;
+        }
+
+        categoryTypeNode = categoryTypeListNode->children;
+        while ((categoryTypeNode = findXmlNodeByElemName(categoryTypeNode->next, ELEM_CATEGORY_TYPE))) {
+            prevCategoryTypeNode = categoryTypeNode->prev;
+            if (removeNodeByFeatureOption(appHandle, categoryTypeNode)) {
+                categoryTypeNode = prevCategoryTypeNode;
+                continue;
+            }
+
+            /* Process CategoryType node */
+            categoryGroupNode = categoryTypeNode->children;
+            while ((categoryGroupNode = findXmlNodeByElemName(categoryGroupNode->next, ELEM_CATEGORY_GROUP))) {
+                /* Process CategoryGroup of CategoryType Node */
+                prevCategoryGroupNode = categoryGroupNode->prev;
+                if (removeNodeByFeatureOption(appHandle, categoryGroupNode)) {
+                    categoryGroupNode = prevCategoryGroupNode;
+                    continue;
+                }
+
+                categoryNode = categoryGroupNode->children;
+                while ((categoryNode = findXmlNodeByElemName(categoryNode->next, ELEM_CATEGORY))) {
+                    /* Process Category of CategoryGroup Node */
+                    prevCategoryNode = categoryNode->prev;
+                    if (removeNodeByFeatureOption(appHandle, categoryNode)) {
+                        categoryNode = prevCategoryNode;
+                    }
+                }
+            }
+
+            categoryNode = categoryTypeNode->children;
+            while ((categoryNode = findXmlNodeByElemName(categoryNode->next, ELEM_CATEGORY))) {
+                prevCategoryNode = categoryNode->prev;
+                if (removeNodeByFeatureOption(appHandle, categoryNode)) {
+                    categoryNode = prevCategoryNode;
+                }
+            }
+        }
+    }
+}
+
+EXPORT APP_STATUS appHandleCompressFiles(const char *srcDir, const char *destFile) {
+#ifdef WIN32
+    INFO_LOG("%s(), src = %s, dest = %s\n", __FUNCTION__, srcDir, destFile);
+    if (!srcDir || !destFile) {
+        ERR_LOG("%s(), srcDir or destFile is NULL\n", __FUNCTION__);
+        return APP_ERROR;
+    } else {
+        UT_string *path = NULL;
+        utstring_new(path);
+        utstring_printf(path, "a -tzip %s %s\\*", destFile, srcDir);
+        utilShellExecute("7za.exe", utstring_body(path));
+        utstring_free(path);
+    }
+#else
+    ERR_LOG("Not support on linux (src:%s, dst:%s)\n", srcDir, destFile);
+#endif
+    return APP_NO_ERROR;
+}
+
+EXPORT APP_STATUS appHandleUncompressFile(const char *srcFile, const char *destDir) {
+#ifdef WIN32
+    INFO_LOG("%s(), src = %s, dest = %s\n", __FUNCTION__, srcFile, destDir);
+    if (!srcFile || !destDir) {
+        ERR_LOG("%s(), srcFile or destDir is NULL\n", __FUNCTION__);
+        return APP_ERROR;
+    } else {
+        UT_string *path = NULL;
+        utstring_new(path);
+        utstring_printf(path, "x %s -y -o%s\\", srcFile, destDir);
+        utilShellExecute("7za.exe", utstring_body(path));
+        utstring_free(path);
+    }
+#else
+    ERR_LOG("Not support on linux(src:%s, dest:%s)\n", srcFile, destDir);
+#endif
+    return APP_NO_ERROR;
+}
+
+EXPORT APP_STATUS appHandleGetAudioTypeSupportedVerInfo(const char *audioTypeName, int *paramUnitDescVerMaj, int *paramUnitDescVerMin, int *audioParamVerMaj, int *audioParamVerMin) {
+    int i = 0;
+    while (audioTypeSupportVerInfo[i].audioTypeName != NULL) {
+        if (!strncmp(audioTypeName, audioTypeSupportVerInfo[i].audioTypeName, strlen(audioTypeName) + 1)) {
+            *paramUnitDescVerMaj = audioTypeSupportVerInfo[i].paramUnitDescVerMaj;
+            *paramUnitDescVerMin = audioTypeSupportVerInfo[i].paramUnitDescVerMin;
+            *audioParamVerMaj = audioTypeSupportVerInfo[i].audioParamVerMaj;
+            *audioParamVerMin = audioTypeSupportVerInfo[i].audioParamVerMin;
+            return APP_NO_ERROR;
+        }
+        i++;
+    }
+
+    /* No audio type info found, using default version */
+    *paramUnitDescVerMaj = 1;
+    *paramUnitDescVerMin = 0;
+    *audioParamVerMaj = 1;
+    *audioParamVerMin = 0;
+
+    INFO_LOG("%s AudioType version support info not found! Set the version with default 1.0\n", audioTypeName);
+    return APP_NO_ERROR;
+}
+
+EXPORT void appHandleShowAudioTypeSupportedVerInfo(AppHandle *appHandle) {
+    int i = 0;
+    INFO_LOG("===========(AppHandle = 0x%p)============\n", appHandle);
+    while (audioTypeSupportVerInfo[i].audioTypeName != NULL) {
+        INFO_LOG("[%d] %s, ParamUnitDesc ver(%d.%d), AudioParam ver(%d.%d)\n",
+                 i,
+                 audioTypeSupportVerInfo[i].audioTypeName, audioTypeSupportVerInfo[i].paramUnitDescVerMaj,
+                 audioTypeSupportVerInfo[i].paramUnitDescVerMin, audioTypeSupportVerInfo[i].audioParamVerMaj, audioTypeSupportVerInfo[i].audioParamVerMin);
+        i++;
+    }
+}