diff --git a/audio/aidl/default/EffectThread.cpp b/audio/aidl/default/EffectThread.cpp
new file mode 100644
index 0000000..0ad9a14
--- /dev/null
+++ b/audio/aidl/default/EffectThread.cpp
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#define LOG_TAG "AHAL_EffectThread"
+#include <android-base/logging.h>
+#include <pthread.h>
+#include <sys/resource.h>
+
+#include "effect-impl/EffectThread.h"
+
+namespace aidl::android::hardware::audio::effect {
+
+EffectThread::EffectThread() {
+    LOG(DEBUG) << __func__;
+}
+
+EffectThread::~EffectThread() {
+    destroy();
+    LOG(DEBUG) << __func__ << " done";
+};
+
+RetCode EffectThread::create(const std::string& name, const int priority) {
+    if (mThread.joinable()) {
+        LOG(WARNING) << __func__ << " thread already created, no-op";
+        return RetCode::SUCCESS;
+    }
+    mName = name;
+    mPriority = priority;
+    mThread = std::thread(&EffectThread::threadLoop, this);
+    LOG(DEBUG) << __func__ << " " << name << " priority " << mPriority << " done";
+    return RetCode::SUCCESS;
+}
+
+RetCode EffectThread::destroy() {
+    {
+        std::lock_guard lg(mMutex);
+        mStop = mExit = true;
+    }
+    mCv.notify_one();
+
+    if (mThread.joinable()) {
+        mThread.join();
+    }
+    LOG(DEBUG) << __func__ << " done";
+    return RetCode::SUCCESS;
+}
+
+RetCode EffectThread::start() {
+    if (!mThread.joinable()) {
+        LOG(ERROR) << __func__ << " thread already destroyed";
+        return RetCode::ERROR;
+    }
+
+    {
+        std::lock_guard lg(mMutex);
+        if (!mStop) {
+            LOG(WARNING) << __func__ << " already start";
+            return RetCode::SUCCESS;
+        }
+        mStop = false;
+    }
+
+    mCv.notify_one();
+    LOG(DEBUG) << __func__ << " done";
+    return RetCode::SUCCESS;
+}
+
+RetCode EffectThread::stop() {
+    if (!mThread.joinable()) {
+        LOG(ERROR) << __func__ << " thread already destroyed";
+        return RetCode::ERROR;
+    }
+
+    {
+        std::lock_guard lg(mMutex);
+        if (mStop) {
+            LOG(WARNING) << __func__ << " already stop";
+            return RetCode::SUCCESS;
+        }
+        mStop = true;
+    }
+    LOG(DEBUG) << __func__ << " done";
+    return RetCode::SUCCESS;
+}
+
+void EffectThread::threadLoop() {
+    pthread_setname_np(pthread_self(), mName.substr(0, MAX_TASK_COMM_LEN - 1).c_str());
+    setpriority(PRIO_PROCESS, 0, mPriority);
+    while (true) {
+        bool needExit = false;
+        {
+            std::unique_lock l(mMutex);
+            mCv.wait(l, [&]() REQUIRES(mMutex) {
+                needExit = mExit;
+                return mExit || !mStop;
+            });
+        }
+        if (needExit) {
+            LOG(WARNING) << __func__ << " EXIT!";
+            return;
+        }
+        // process without lock
+        process();
+    }
+}
+
+std::string toString(RetCode& code) {
+    switch (code) {
+        case RetCode::SUCCESS:
+            return "SUCCESS";
+        case RetCode::ERROR:
+            return "ERROR";
+        default:
+            return "EnumError";
+    }
+}
+
+}  // namespace aidl::android::hardware::audio::effect