audio: libeffects: add virtualsurround function [3/3]

PD#SWPL-558

Problem:
no virtualsurround effect

Solution:
add virtualsurround effect

Verify:
verify by r311

Change-Id: Ic3dd66d74134a789ecc47dfe39deb968facde306
Signed-off-by: jiejing.wang <jiejing.wang@amlogic.com>

4 files changed, 3929 insertions, 0 deletions

diff --git a/libaudioeffect/Virtualsurround/Android.mk b/libaudioeffect/Virtualsurround/Android.mk
new file mode 100644
index 0000000..98385f3
--- a/dev/null
+++ b/libaudioeffect/Virtualsurround/Android.mk
@@ -0,0 +1,40 @@
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_MODULE:= libvirtualsurround
+
+LOCAL_SHARED_LIBRARIES := \
+    libcutils \
+    libdl \
+    libutils \
+    libamaudioutils
+
+LOCAL_C_INCLUDES := \
+    $(LOCAL_PATH) \
+    hardware/amlogic/audio/utils/ini/include \
+    hardware/libhardware/include/hardware \
+    hardware/libhardware/include \
+    system/media/audio/include \
+    frameworks/av/media/libeffects/lvm/lib/StereoWidening/lib \
+    frameworks/av/media/libeffects/lvm/lib/StereoWidening/src \
+    frameworks/av/media/libeffects/lvm/lib/Common/lib \
+    frameworks/av/media/libeffects/lvm/lib/Common/src \
+
+LOCAL_SRC_FILES += Virtualsurround.cpp
+
+LOCAL_LDFLAGS_arm  += $(LOCAL_PATH)/libmusicbundle.a
+#LOCAL_LDFLAGS_arm64  += $(LOCAL_PATH)/libmusicbundle64.a
+#LOCAL_MULTILIB := both
+LOCAL_PRELINK_MODULE := false
+
+LOCAL_LDLIBS   +=  -llog
+ifeq ($(shell test $(PLATFORM_SDK_VERSION) -ge 26 && echo OK),OK)
+LOCAL_PROPRIETARY_MODULE := true
+endif
+
+LOCAL_MODULE_RELATIVE_PATH := soundfx
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/libaudioeffect/Virtualsurround/Virtualsurround.cpp b/libaudioeffect/Virtualsurround/Virtualsurround.cpp
new file mode 100644
index 0000000..465f3b5
--- a/dev/null
+++ b/libaudioeffect/Virtualsurround/Virtualsurround.cpp
@@ -0,0 +1,552 @@
+/*
+ * Copyright (C) 2017 Amlogic Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ *  DESCRIPTION
+ *      This file implements a special EQ  from Amlogic.
+ *
+ */
+#define LOG_TAG "Virtualsurround_Effect"
+//#define LOG_NDEBUG 0
+
+#include <cutils/log.h>
+#include <utils/Log.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <pthread.h>
+
+#include <hardware/audio_effect.h>
+#include <cutils/properties.h>
+#include "Virtualsurround.h"
+
+
+#include "IniParser.h"
+
+extern "C"{
+
+#include "LVCS.h"
+#include "InstAlloc.h"
+#include "LVCS_Private.h"
+
+LVCS_Handle_t           hCSInstance = LVM_NULL; /* Concert Sound instance handle */
+LVCS_Instance_t         CS_Instance;        /* Concert Sound instance */
+LVCS_MemTab_t           CS_MemTab;          /* Memory table */
+LVCS_Capabilities_t     CS_Capabilities;    /* Initial capabilities */
+static pthread_mutex_t audio_vir_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+#define MODEL_SUM_DEFAULT_PATH "/vendor/etc/tvconfig/model/model_sum.ini"
+#define AUDIO_EFFECT_DEFAULT_PATH "/vendor/etc/tvconfig/audio/AMLOGIC_AUDIO_EFFECT_DEFAULT.ini"
+
+// effect_handle_t interface implementation for Virtualsurround effect
+extern const struct effect_interface_s VirtualsurroundInterface;
+
+//Virtualsurround effect TYPE: c656ec6f-d6be-4e7f-854b-1218077f3915
+//Virtualsurround effect UUID: c8459cd3-4400-4859-b76b-e12cc2aa67ce
+const effect_descriptor_t VirtualsurroundDescriptor = {
+       {0xc656ec6f,0xd6be,0x4e7f,0x854b,{0x12,0x18,0x07,0x7f,0x39,0x15}},
+       {0xc8459cd3,0x4400,0x4859,0xb76b,{0xe1,0x2c,0xc2,0xaa,0x67,0xce}},
+        EFFECT_CONTROL_API_VERSION,
+        EFFECT_FLAG_TYPE_POST_PROC | EFFECT_FLAG_DEVICE_IND | EFFECT_FLAG_NO_PROCESS | EFFECT_FLAG_OFFLOAD_SUPPORTED,
+        VIRTUALSURROUND_CUP_LOAD_ARM9E,
+        VIRTUALSURROUND_MEM_USAGE,
+        "Virtualsurround",
+        "Amlogic",
+};
+
+enum Virtualsurround_state_e {
+    VIRTUALSURROUND_STATE_UNINITIALIZED,
+    VIRTUALSURROUND_STATE_INITIALIZED,
+    VIRTUALSURROUND_STATE_ACTIVE,
+};
+
+/*parameter number passed from the Java layer corresponds to this*/
+typedef enum {
+   VIRTUALSURROUND_PARAM_ENABLE,
+   VIRTUALSURROUND_PARAM_EFFECTLEVEL,
+} Virtualsurroundparams;
+
+typedef struct Virtualsurroundcfg_s {
+    int  enable;
+    int  effectlevel;
+} Virtualsurroundcfg;
+
+typedef struct Virtualsurrounddata_s {
+   /* Virtualsurround API needed data */
+    Virtualsurroundcfg      tbcfg;
+} Virtualsurrounddata;
+
+typedef struct VirtualsurroundContext_s {
+    const struct effect_interface_s *itfe;
+    effect_config_t                 config;
+    Virtualsurround_state_e         state;
+    Virtualsurrounddata             gVirtualsurrounddata;
+} VirtualsurroundContext;
+
+const char *VirtualsurroundStatusstr[] = {"Disable", "Enable"};
+
+int Virtualsurround_get_model_name(char *model_name, int size) {
+    int ret = -1;
+    char node[PROPERTY_VALUE_MAX];
+
+    ret = property_get("tv.model_name", node, NULL);
+
+    if (ret < 0)
+        snprintf(model_name, size, "DEFAULT");
+    else
+        snprintf(model_name, size, "%s", node);
+    ALOGD("%s: Model Name -> %s", __FUNCTION__, model_name);
+    return ret;
+}
+
+int Virtualsurround_get_ini_file(char *ini_name, int size) {
+    int result = -1;
+    char model_name[50] = {0};
+    IniParser* pIniParser = NULL;
+    const char *ini_value = NULL;
+    const char *filename = MODEL_SUM_DEFAULT_PATH;
+
+    Virtualsurround_get_model_name(model_name, sizeof(model_name));
+    pIniParser = new IniParser();
+    if (pIniParser->parse(filename) < 0) {
+        ALOGW("%s: Load INI file -> %s Failed", __FUNCTION__, filename);
+        goto exit;
+    }
+    ini_value = pIniParser->GetString(model_name, "AMLOGIC_AUDIO_EFFECT_INI_PATH", AUDIO_EFFECT_DEFAULT_PATH);
+    if (ini_value == NULL || access(ini_value, F_OK) == -1) {
+        ALOGD("%s: INI File is not exist", __FUNCTION__);
+        goto exit;
+    }
+    ALOGD("%s: INI File -> %s", __FUNCTION__, ini_value);
+    strncpy(ini_name, ini_value, size);
+
+    result = 0;
+exit:
+    delete pIniParser;
+    pIniParser = NULL;
+    return result;
+}
+
+int Virtualsurround_load_ini_file(VirtualsurroundContext *pContext)
+{
+    int result = -1;
+    char ini_name[100] = {0};
+    const char *ini_value = NULL;
+    Virtualsurrounddata *data = &pContext->gVirtualsurrounddata;
+    IniParser* pIniParser = NULL;
+    if (Virtualsurround_get_ini_file(ini_name, sizeof(ini_name)) < 0)
+        goto error;
+
+    pIniParser = new IniParser();
+    if (pIniParser->parse((const char *)ini_name) < 0) {
+        ALOGD("%s: %s load failed", __FUNCTION__, ini_name);
+        goto error;
+    }
+    /*
+    ini_value = pIniParser->GetString("Virtualsurround", "Virtualsurround_enable", "1");
+    if (ini_value == NULL)
+        goto error;
+    ALOGD("%s: enable -> %s", __FUNCTION__, ini_value);
+    data->tbcfg.enable = atoi(ini_value);
+    */
+error:
+    ALOGD("%s: %s", __FUNCTION__, result == 0 ? "sucessful" : "failed");
+    delete pIniParser;
+    pIniParser = NULL;
+    return result;
+}
+
+int Virtualsurround_init(VirtualsurroundContext *pContext) {
+    LVCS_ReturnStatus_en    LVCS_Status;
+    LVCS_Params_t *CS_Params = &CS_Instance.Params;
+    int i = 0;
+
+    pthread_mutex_lock(&audio_vir_mutex);
+    CS_Capabilities.MaxBlockSize = 2048;
+    CS_Capabilities.pBundleInstance = (void*)hCSInstance;
+    LVCS_Status = LVCS_Memory(LVM_NULL,
+                              &CS_MemTab,
+                               &CS_Capabilities);
+   CS_MemTab.Region[LVCS_MEMREGION_PERSISTENT_SLOW_DATA].pBaseAddress = &CS_Instance;
+  /* Allocate memory */
+   for (i = 0; i < LVM_NR_MEMORY_REGIONS; i++) {
+        if (CS_MemTab.Region[i].Size != 0) {
+            CS_MemTab.Region[i].pBaseAddress = malloc(CS_MemTab.Region[i].Size);
+            if (CS_MemTab.Region[i].pBaseAddress == LVM_NULL) {
+                      ALOGV("\tLVM_ERROR :LvmBundle_init CreateInstance Failed to allocate %"
+                            " bytes for region %u\n", CS_MemTab.Region[i].Size, i );
+                      return LVCS_NULLADDRESS;
+               } else {
+                      ALOGV("\tLvmBundle_init CreateInstance allocated %"
+                            " bytes for region %u at %p\n",
+                            CS_MemTab.Region[i].Size, i, CS_MemTab.Region[i].pBaseAddress);
+                }
+            }
+     }
+   hCSInstance = LVM_NULL;
+   LVCS_Status = LVCS_Init(&hCSInstance,
+                              &CS_MemTab,
+                              &CS_Capabilities);
+   pContext->gVirtualsurrounddata.tbcfg.effectlevel = 0;
+   pContext->gVirtualsurrounddata.tbcfg.enable = 0;
+   CS_Params->OperatingMode = LVCS_OFF;
+   CS_Params->CompressorMode = LVM_MODE_ON;
+   CS_Params->SourceFormat = LVCS_STEREO;
+   CS_Params->SpeakerType = LVCS_HEADPHONES;
+   CS_Params->SampleRate  = LVM_FS_48000;
+   CS_Params->ReverbLevel = 100;
+   CS_Params->EffectLevel =32700; /* 0~32767 */
+   pthread_mutex_unlock(&audio_vir_mutex);
+
+   pContext->config.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ;
+   pContext->config.inputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
+   pContext->config.inputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
+   pContext->config.inputCfg.samplingRate = 48000;
+   pContext->config.inputCfg.bufferProvider.getBuffer = NULL;
+   pContext->config.inputCfg.bufferProvider.releaseBuffer = NULL;
+   pContext->config.inputCfg.bufferProvider.cookie = NULL;
+   pContext->config.inputCfg.mask = EFFECT_CONFIG_ALL;
+   pContext->config.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_ACCUMULATE;
+   pContext->config.outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
+   pContext->config.outputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
+   pContext->config.outputCfg.samplingRate = 48000;
+   pContext->config.outputCfg.bufferProvider.getBuffer = NULL;
+   pContext->config.outputCfg.bufferProvider.releaseBuffer = NULL;
+   pContext->config.outputCfg.bufferProvider.cookie = NULL;
+   pContext->config.outputCfg.mask = EFFECT_CONFIG_ALL;
+   ALOGD("%s: sucessful", __FUNCTION__);
+   return 0;
+}
+
+/*Set I/O configuration: sample rate, channel, format, etc.*/
+int Virtualsurround_configure(VirtualsurroundContext *pContext, effect_config_t *pConfig)
+{
+    if (pConfig->inputCfg.samplingRate != pConfig->outputCfg.samplingRate)
+            return -EINVAL;
+    if (pConfig->inputCfg.channels != pConfig->outputCfg.channels)
+            return -EINVAL;
+    if (pConfig->inputCfg.format != pConfig->outputCfg.format)
+            return -EINVAL;
+    if (pConfig->inputCfg.channels != AUDIO_CHANNEL_OUT_STEREO) {
+            ALOGW("%s: channels in = 0x%x channels out = 0x%x", __FUNCTION__, pConfig->inputCfg.channels, pConfig->outputCfg.channels);
+            pConfig->inputCfg.channels = pConfig->outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
+        }
+    if (pConfig->outputCfg.accessMode != EFFECT_BUFFER_ACCESS_WRITE &&
+            pConfig->outputCfg.accessMode != EFFECT_BUFFER_ACCESS_ACCUMULATE)
+            return -EINVAL;
+    if (pConfig->inputCfg.format != AUDIO_FORMAT_PCM_16_BIT) {
+            ALOGW("%s: format in = 0x%x format out = 0x%x", __FUNCTION__, pConfig->inputCfg.format, pConfig->outputCfg.format);
+            pConfig->inputCfg.format = pConfig->outputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
+        }
+    memcpy(&pContext->config, pConfig, sizeof(effect_config_t));
+    return 0;
+}
+
+int Virtualsurround_setParameter(VirtualsurroundContext *pContext, void *pParam, void *pValue)
+{
+    int32_t param = *(int32_t *)pParam;
+    int32_t value;
+    Virtualsurrounddata *data=&pContext->gVirtualsurrounddata;
+    Virtualsurroundcfg *tbcfg=&data->tbcfg;
+    LVCS_ReturnStatus_en  CS_Status;
+    LVCS_Params_t *CS_Params = &CS_Instance.Params;
+    if (hCSInstance == LVM_NULL)
+        return LVCS_NULLADDRESS;
+    pthread_mutex_lock(&audio_vir_mutex);
+    switch (param) {
+       case VIRTUALSURROUND_PARAM_ENABLE:
+            value = *(int32_t *)pValue;
+            tbcfg->enable = value;
+            if (tbcfg->enable == 1)
+               CS_Params->OperatingMode = LVCS_ON;
+            else
+               CS_Params->OperatingMode = LVCS_OFF;
+            LVCS_Control(hCSInstance,CS_Params);
+            pthread_mutex_unlock(&audio_vir_mutex);
+            break;
+       case VIRTUALSURROUND_PARAM_EFFECTLEVEL:
+            value = *(int32_t *)pValue;
+            tbcfg->effectlevel = value;
+            if (tbcfg->effectlevel > 100)
+                CS_Params->EffectLevel = 32700;
+            else if (tbcfg->effectlevel < 0)
+                CS_Params->EffectLevel  = 0;
+            else
+                CS_Params->EffectLevel = tbcfg->effectlevel * 327;
+            LVCS_Control(hCSInstance,CS_Params);
+            pthread_mutex_unlock(&audio_vir_mutex);
+            break;
+       default:
+            ALOGE("%s: unknown param %08x", __FUNCTION__, param);
+            return -EINVAL;
+       }
+    return 0;
+}
+
+int Virtualsurround_getParameter(VirtualsurroundContext*pContext, void *pParam, size_t *pValueSize, void *pValue)
+{
+    int32_t param = *(int32_t *)pParam;
+    Virtualsurrounddata *data=&pContext->gVirtualsurrounddata;
+    Virtualsurroundcfg *tbcfg=&data->tbcfg;
+    switch (param) {
+    case VIRTUALSURROUND_PARAM_ENABLE:
+        if (*pValueSize < sizeof(int32_t)) {
+            *pValueSize = 0;
+            return -EINVAL;
+        }
+        *(int*)pValue = (int)tbcfg->enable;
+        ALOGD("%s: Get enable -> %d ", __FUNCTION__, tbcfg->enable);
+        break;
+     case VIRTUALSURROUND_PARAM_EFFECTLEVEL:
+        if (*pValueSize < sizeof(int32_t)) {
+             *pValueSize = 0;
+                 return -EINVAL;
+           }
+        *(int*)pValue = tbcfg->effectlevel;
+         ALOGD("%s: Get effctlevel -> %d ", __FUNCTION__, tbcfg->effectlevel);
+         break;
+      default:
+        ALOGE("%s: unknown param %d", __FUNCTION__, param);
+        return -EINVAL;
+    }
+    return 0;
+}
+
+int Virtualsurround_release(VirtualsurroundContext *pContext __unused) {
+   int i;
+   pthread_mutex_lock(&audio_vir_mutex);
+   for (i = 0; i < LVM_NR_MEMORY_REGIONS; i++) {
+       if (CS_MemTab.Region[i].pBaseAddress != 0) {
+           free(CS_MemTab.Region[i].pBaseAddress);
+           CS_MemTab.Region[i].pBaseAddress = NULL;
+         }
+       }
+    hCSInstance = LVM_NULL;
+    pthread_mutex_unlock(&audio_vir_mutex);
+    return 0;
+}
+
+//-------------------Effect Control Interface Implementation--------------------------
+
+int Virtualsurround_process(effect_handle_t self, audio_buffer_t *inBuffer, audio_buffer_t *outBuffer)
+{
+    LVCS_ReturnStatus_en        CS_Status;
+    VirtualsurroundContext * pContext = (VirtualsurroundContext *)self;
+    if (pContext == NULL) {
+        return -EINVAL;
+    }
+
+   if (inBuffer == NULL || inBuffer->raw == NULL ||
+        outBuffer == NULL || outBuffer->raw == NULL ||
+        inBuffer->frameCount != outBuffer->frameCount ||
+        inBuffer->frameCount == 0) {
+        return -EINVAL;
+    }
+    if (pContext->state != VIRTUALSURROUND_STATE_ACTIVE) {
+        return -ENODATA;
+    }
+    int16_t *in  = (int16_t *)inBuffer->raw;
+    int16_t *out = (int16_t *)outBuffer->raw;
+    Virtualsurrounddata *data = &pContext->gVirtualsurrounddata;
+    if (!data->tbcfg.enable) {
+        for (size_t i = 0; i < inBuffer->frameCount; i++) {
+            *out++ = *in++;
+            *out++ = *in++;
+        }
+    } else {
+
+    if (hCSInstance == LVM_NULL)
+        return LVCS_NULLADDRESS;
+    pthread_mutex_lock(&audio_vir_mutex);
+    LVCS_Process(hCSInstance,in,out,inBuffer->frameCount);
+
+    pthread_mutex_unlock(&audio_vir_mutex);
+    }
+    return 0;
+}
+
+int Virtualsurround_command(effect_handle_t self, uint32_t cmdCode, uint32_t cmdSize,
+        void *pCmdData, uint32_t *replySize, void *pReplyData)
+{
+    VirtualsurroundContext* pContext = (VirtualsurroundContext *)self;
+    effect_param_t *p;
+    int voffset;
+    if (pContext == NULL || pContext->state == VIRTUALSURROUND_STATE_UNINITIALIZED) {
+        return -EINVAL;
+    }
+    ALOGD("%s: cmd = %u", __FUNCTION__, cmdCode);
+    switch (cmdCode) {
+    case EFFECT_CMD_INIT:
+        if (pReplyData == NULL || replySize == NULL || *replySize != sizeof(int)) {
+            return -EINVAL;
+        }
+        *(int *) pReplyData = Virtualsurround_init(pContext);
+        break;
+    case EFFECT_CMD_SET_CONFIG:
+        if (pCmdData == NULL || cmdSize != sizeof(effect_config_t) || pReplyData == NULL || replySize == NULL || *replySize != sizeof(int))
+            return -EINVAL;
+        *(int *) pReplyData = Virtualsurround_configure(pContext, (effect_config_t *) pCmdData);
+        break;
+    case EFFECT_CMD_RESET:
+        //HPEQ_reset(pContext);
+        break;
+    case EFFECT_CMD_ENABLE:
+        if (pReplyData == NULL || replySize == NULL || *replySize != sizeof(int))
+            return -EINVAL;
+        if (pContext->state != VIRTUALSURROUND_STATE_INITIALIZED)
+            return -ENOSYS;
+        pContext->state = VIRTUALSURROUND_STATE_ACTIVE;
+        *(int *)pReplyData = 0;
+        break;
+    case EFFECT_CMD_DISABLE:
+        if (pReplyData == NULL || replySize == NULL || *replySize != sizeof(int))
+            return -EINVAL;
+        if (pContext->state != VIRTUALSURROUND_STATE_ACTIVE)
+            return -ENOSYS;
+        pContext->state = VIRTUALSURROUND_STATE_INITIALIZED;
+        *(int *)pReplyData = 0;
+        break;
+    case EFFECT_CMD_GET_PARAM:
+        if (pCmdData == NULL ||
+            cmdSize != (int)(sizeof(effect_param_t) + sizeof(uint32_t)) ||
+            pReplyData == NULL || replySize == NULL ||
+            *replySize < (int)(sizeof(effect_param_t) + sizeof(uint32_t) + sizeof(uint32_t)))
+            return -EINVAL;
+        p = (effect_param_t *)pCmdData;
+        memcpy(pReplyData, pCmdData, sizeof(effect_param_t) + p->psize);
+        p = (effect_param_t *)pReplyData;
+
+        voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
+
+        p->status = Virtualsurround_getParameter(pContext, p->data, (size_t  *)&p->vsize, p->data + voffset);
+        *replySize = sizeof(effect_param_t) + voffset + p->vsize;
+        break;
+    case EFFECT_CMD_SET_PARAM:
+        if (pCmdData == NULL ||
+            cmdSize != (int)(sizeof(effect_param_t) + sizeof(uint32_t) + sizeof(uint32_t)) ||
+            pReplyData == NULL || replySize == NULL || *replySize != sizeof(int32_t))
+            return -EINVAL;
+        p = (effect_param_t *)pCmdData;
+        if (p->psize != sizeof(uint32_t) || p->vsize != sizeof(uint32_t)) {
+            *(int32_t *)pReplyData = -EINVAL;
+            break;
+        }
+        *(int *)pReplyData = Virtualsurround_setParameter(pContext, (void *)p->data, p->data + p->psize);
+        break;
+    case EFFECT_CMD_OFFLOAD:
+        *(int *)pReplyData = 0;
+        break;
+    case EFFECT_CMD_SET_DEVICE:
+    case EFFECT_CMD_SET_VOLUME:
+    case EFFECT_CMD_SET_AUDIO_MODE:
+        break;
+    default:
+        ALOGE("%s: invalid command %d", __FUNCTION__, cmdCode);
+        return -EINVAL;
+    }
+    return 0;
+}
+
+int Virtualsurround_getDescriptor(effect_handle_t self, effect_descriptor_t *pDescriptor)
+{
+    VirtualsurroundContext * pContext = ( VirtualsurroundContext *) self;
+    if (pContext == NULL || pDescriptor == NULL) {
+        ALOGE("%s: invalid param", __FUNCTION__);
+        return -EINVAL;
+    }
+    *pDescriptor = VirtualsurroundDescriptor;
+    return 0;
+}
+
+//-------------------- Effect Library Interface Implementation------------------------
+
+int VirtualsurroundLib_Create(const effect_uuid_t * uuid, int32_t sessionId __unused, int32_t ioId __unused, effect_handle_t * pHandle)
+{
+    if (pHandle == NULL || uuid == NULL) {
+        return -EINVAL;
+    }
+    if (memcmp(uuid, &VirtualsurroundDescriptor.uuid, sizeof(effect_uuid_t)) != 0) {
+        return -EINVAL;
+    }
+    VirtualsurroundContext *pContext = new VirtualsurroundContext;
+    if (!pContext) {
+        ALOGE("%s: alloc VirtualsurroundContext failed", __FUNCTION__);
+        return -EINVAL;
+    }
+    memset(pContext, 0, sizeof(VirtualsurroundContext));
+    if (Virtualsurround_load_ini_file(pContext) < 0) {
+        ALOGE("%s: Load INI File faied, use default param", __FUNCTION__);
+        pContext->gVirtualsurrounddata.tbcfg.enable = 0;
+    }
+    pContext->itfe = &VirtualsurroundInterface;
+    pContext->state = VIRTUALSURROUND_STATE_UNINITIALIZED;
+    *pHandle = (effect_handle_t)pContext;
+    pContext->state = VIRTUALSURROUND_STATE_INITIALIZED;
+    ALOGD("%s: %p", __FUNCTION__, pContext);
+    return 0;
+}
+
+int VirtualsurroundLib_Release(effect_handle_t handle)
+{
+    VirtualsurroundContext * pContext = (VirtualsurroundContext *)handle;
+    if (pContext == NULL) {
+        return -EINVAL;
+    }
+    Virtualsurround_release(pContext);
+    pContext->state = VIRTUALSURROUND_STATE_UNINITIALIZED;
+    delete pContext;
+    return 0;
+}
+
+int VirtualsurroundLib_GetDescriptor(const effect_uuid_t *uuid, effect_descriptor_t *pDescriptor)
+{
+    if (pDescriptor == NULL || uuid == NULL) {
+        ALOGE("%s: called with NULL pointer", __FUNCTION__);
+        return -EINVAL;
+    }
+    if (memcmp(uuid, &VirtualsurroundDescriptor.uuid, sizeof(effect_uuid_t)) == 0) {
+        *pDescriptor = VirtualsurroundDescriptor;
+        return 0;
+    }
+    return  -EINVAL;
+}
+
+// effect_handle_t interface implementation for VirtualsurroundInterface effect
+
+const struct effect_interface_s VirtualsurroundInterface = {
+        Virtualsurround_process,
+        Virtualsurround_command,
+        Virtualsurround_getDescriptor,
+        NULL,
+};
+
+audio_effect_library_t AUDIO_EFFECT_LIBRARY_INFO_SYM = {
+    .tag = AUDIO_EFFECT_LIBRARY_TAG,
+    .version = EFFECT_LIBRARY_API_VERSION,
+    .name = "Virtualsurround",
+    .implementor = "Amlogic",
+    .create_effect = VirtualsurroundLib_Create,
+    .release_effect = VirtualsurroundLib_Release,
+    .get_descriptor = VirtualsurroundLib_GetDescriptor,
+};
+
+};//extern "C"
+
+
diff --git a/libaudioeffect/Virtualsurround/Virtualsurround.h b/libaudioeffect/Virtualsurround/Virtualsurround.h
new file mode 100644
index 0000000..e0314d4
--- a/dev/null
+++ b/libaudioeffect/Virtualsurround/Virtualsurround.h
@@ -0,0 +1,7 @@
+#ifndef ANDROID_VIRTUALSURROUND_H_
+#define ANDROID_VIRTUALSURROUND_H_
+
+#define VIRTUALSURROUND_CUP_LOAD_ARM9E 100  //Expressed in 0.1 MIPS
+#define VIRTUALSURROUND_MEM_USAGE      50   // Expressed in kB
+
+#endif
diff --git a/libaudioeffect/Virtualsurround/libmusicbundle.a b/libaudioeffect/Virtualsurround/libmusicbundle.a
new file mode 100644
index 0000000..a4d7fff
--- a/dev/null
+++ b/libaudioeffect/Virtualsurround/libmusicbundle.a
@@ -0,0 +1,3330 @@
+!<arch>
+/               0           0     0     0       4778      `
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+LVCS_StereoEnhancer.o/
+LVM_API_Specials.o/
+LVPSA_QPD_Init.o/
+LVPSA_QPD_Process.o/
+LVEQNB_CalcCoef.o/
+LVEQNB_Control.o/
+LVEQNB_Process.o/
+DC_2I_D16_TRC_WRA_01.o/
+DC_2I_D16_TRC_WRA_01_Init.o/
+FO_2I_D16F32C15_LShx_TRC_WRA_01.o/
+FO_2I_D16F32Css_LShx_TRC_WRA_01_Init.o/
+FO_1I_D16F16C15_TRC_WRA_01.o/
+FO_1I_D16F16Css_TRC_WRA_01_Init.o/
+BP_1I_D16F32C30_TRC_WRA_01.o/
+BP_1I_D16F16C14_TRC_WRA_01.o/
+BP_1I_D32F32C30_TRC_WRA_02.o/
+BP_1I_D16F16Css_TRC_WRA_01_Init.o/
+BP_1I_D16F32Cll_TRC_WRA_01_Init.o/
+BP_1I_D32F32Cll_TRC_WRA_02_Init.o/
+BQ_2I_D32F32Cll_TRC_WRA_01_Init.o/
+BQ_2I_D32F32C30_TRC_WRA_01.o/
+BQ_2I_D16F32C15_TRC_WRA_01.o/
+BQ_2I_D16F32C14_TRC_WRA_01.o/
+BQ_2I_D16F32C13_TRC_WRA_01.o/
+BQ_2I_D16F32Css_TRC_WRA_01_init.o/
+BQ_2I_D16F16C15_TRC_WRA_01.o/
+BQ_2I_D16F16C14_TRC_WRA_01.o/
+BQ_2I_D16F16Css_TRC_WRA_01_Init.o/
+BQ_1I_D16F16C15_TRC_WRA_01.o/
+BQ_1I_D16F16Css_TRC_WRA_01_Init.o/
+BQ_1I_D16F32C14_TRC_WRA_01.o/
+BQ_1I_D16F32Css_TRC_WRA_01_init.o/
+PK_2I_D32F32C30G11_TRC_WRA_01.o/
+PK_2I_D32F32C14G11_TRC_WRA_01.o/
+PK_2I_D32F32CssGss_TRC_WRA_01_Init.o/
+PK_2I_D32F32CllGss_TRC_WRA_01_Init.o/
+Int16LShiftToInt32_16x32.o/
+From2iToMono_16.o/
+Shift_Sat_v16xv16.o/
+Shift_Sat_v32xv32.o/
+Int32RShiftToInt16_Sat_32x16.o/
+From2iToMono_32.o/
+NonLinComp_D16.o/
+DelayMix_16x16.o/
+MSTo2i_Sat_16x16.o/
+From2iToMS_16x16.o/
+Mac3s_Sat_16x16.o/
+Mac3s_Sat_32x16.o/
+Add2_Sat_16x16.o/
+Add2_Sat_32x32.o/
+LVC_MixSoft_1St_2i_D16C31_SAT.o/
+LVC_MixSoft_1St_D16C31_SAT.o/
+LVC_Mixer_VarSlope_SetTimeConstant.o/
+LVC_Mixer_SetTimeConstant.o/
+LVC_Mixer_SetTarget.o/
+LVC_Mixer_GetTarget.o/
+LVC_Mixer_Init.o/
+LVC_Core_MixHard_1St_2i_D16C31_SAT.o/
+LVC_Core_MixSoft_1St_2i_D16C31_WRA.o/
+LVC_Core_MixInSoft_D16C31_SAT.o/
+LVC_Mixer_GetCurrent.o/
+LVC_MixSoft_2St_D16C31_SAT.o/
+LVC_Core_MixSoft_1St_D16C31_WRA.o/
+LVC_Core_MixHard_2St_D16C31_SAT.o/
+LVC_MixInSoft_D16C31_SAT.o/
+AGC_MIX_VOL_2St1Mon_D32_WRA.o/
+LVM_Timer_Init.o/
+/0              0           0     0     644     16396     `
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