88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
/*
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* Copyright (C) 2014-2026 Amlogic, Inc. All rights reserved.
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*
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* All information contained herein is Amlogic confidential.
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*
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* This software is provided to you pursuant to Software License Agreement
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* (SLA) with Amlogic Inc ("Amlogic"). This software may be used
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* only in accordance with the terms of this agreement.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification is strictly prohibited without prior written permission from
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* Amlogic.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <utils/Thread.h>
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#include <mutex>
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#include <thread>
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#include <vector>
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#include "DataSource.h"
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#include "FmqReader.h"
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#include "IpcDataTypes.h"
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#include "SubtitleLog.h"
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#include "ringbuffer.h"
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static inline uint32_t __min(uint32_t a, uint32_t b) {
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return (((a) < (b)) ? (a) : (b));
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}
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class FmqReceiver {
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public:
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FmqReceiver() = delete;
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FmqReceiver(std::unique_ptr<FmqReader> reader);
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~FmqReceiver();
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bool registClient(std::shared_ptr<DataListener> client) {
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std::lock_guard<std::mutex> guard(mLock);
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mClients.push_back(client);
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SUBTITLE_LOGI("register client %p, size=%zu", client.get(), mClients.size());
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return true;
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}
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bool unregisterClient(std::shared_ptr<DataListener> client) {
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// obviously, BUG here! impl later, support multi-client.
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// TODO: revise the whole mClient, if we want to support multi subtitle
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std::lock_guard<std::mutex> guard(mLock);
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std::vector<std::shared_ptr<DataListener>> &vecs = mClients;
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if (vecs.size() > 0) {
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for (auto it = vecs.cbegin(); it != vecs.cend(); it++) {
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if ((*it).get() == client.get()) {
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vecs.erase(it);
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break;
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}
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}
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// GetInstance()->mClients.pop_back();
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SUBTITLE_LOGI("unregister client %p, size=%zu", client.get(), mClients.size());
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}
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return true;
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}
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void dump(int fd, const char *prefix);
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private:
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bool readLoop();
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bool mStop;
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std::unique_ptr<FmqReader> mReader;
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std::thread mReaderThread;
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std::mutex mLock;
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std::vector<std::shared_ptr<DataListener>> mClients; // TODO: for clients
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};
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