AIDL effect: Add effect AIDL implementationi and vts test
Bug: 238913361
Test: atest VtsHalAudioEffectTargetTest; atest VtsHalAudioEffectFactoryTargetTest
Merged-In: If8000b7396360996bdfb8eb269bc3de543871673
Change-Id: If8000b7396360996bdfb8eb269bc3de543871673
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