mirror of
https://github.com/AndroidAudioMods/ViPERFX_RE.git
synced 2025-06-08 02:29:40 +08:00
131 lines
3.2 KiB
C++
131 lines
3.2 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <cstddef>
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#include <memory>
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#define LOG_TAG "AHAL_EffectThread"
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#include <android-base/logging.h>
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#include <pthread.h>
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#include <sys/resource.h>
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#include "effect-impl/EffectThread.h"
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#include "effect-impl/EffectTypes.h"
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namespace aidl::android::hardware::audio::effect {
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EffectThread::~EffectThread() {
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destroyThread();
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}
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RetCode EffectThread::createThread(const std::string& name, int priority) {
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if (mThread.joinable()) {
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LOG(WARNING) << mName << __func__ << " thread already created, no-op";
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return RetCode::SUCCESS;
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}
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mName = name;
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mPriority = priority;
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{
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std::lock_guard lg(mThreadMutex);
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mStop = true;
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mExit = false;
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}
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mThread = std::thread(&EffectThread::threadLoop, this);
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LOG(VERBOSE) << mName << __func__ << " priority " << mPriority << " done";
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return RetCode::SUCCESS;
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}
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RetCode EffectThread::destroyThread() {
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{
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std::lock_guard lg(mThreadMutex);
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mStop = mExit = true;
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}
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mCv.notify_one();
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if (mThread.joinable()) {
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mThread.join();
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}
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LOG(VERBOSE) << mName << __func__;
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return RetCode::SUCCESS;
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}
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RetCode EffectThread::startThread() {
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{
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std::lock_guard lg(mThreadMutex);
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if (mDraining) {
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mDraining = false;
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} else {
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mStop = false;
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}
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mCv.notify_one();
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}
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LOG(VERBOSE) << mName << __func__;
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return RetCode::SUCCESS;
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}
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RetCode EffectThread::stopThread() {
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{
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std::lock_guard lg(mThreadMutex);
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mStop = true;
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mCv.notify_one();
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}
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LOG(VERBOSE) << mName << __func__;
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return RetCode::SUCCESS;
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}
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RetCode EffectThread::startDraining() {
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std::lock_guard lg(mThreadMutex);
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mDraining = true;
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mCv.notify_one();
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LOG(VERBOSE) << mName << __func__;
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return RetCode::SUCCESS;
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}
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RetCode EffectThread::finishDraining() {
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std::lock_guard lg(mThreadMutex);
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mDraining = false;
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mStop = true;
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mCv.notify_one();
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LOG(VERBOSE) << mName << __func__;
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return RetCode::SUCCESS;
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}
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void EffectThread::threadLoop() {
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pthread_setname_np(pthread_self(), mName.substr(0, kMaxTaskNameLen - 1).c_str());
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setpriority(PRIO_PROCESS, 0, mPriority);
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while (true) {
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{
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std::unique_lock l(mThreadMutex);
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::android::base::ScopedLockAssertion lock_assertion(mThreadMutex);
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mCv.wait(l, [&]() REQUIRES(mThreadMutex) { return mExit || !mStop; });
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if (mExit) {
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LOG(VERBOSE) << mName << " threadLoop EXIT!";
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return;
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}
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}
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process();
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}
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}
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} // namespace aidl::android::hardware::audio::effect
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