75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
/*
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* Copyright (C) 2014-2019 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 <memory>
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#include <mutex>
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#include <string>
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#include <thread>
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#include "DataSource.h"
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#include "Segment.h"
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#include "VbiDriver.h"
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class VbiSource : public DataSource {
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public:
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VbiSource();
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virtual ~VbiSource();
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bool start();
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bool stop();
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SubtitleIOType type();
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bool isFileAvailable();
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virtual size_t availableDataSize();
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virtual size_t read(void *buffer, size_t size);
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virtual void dump(int fd, const char *prefix);
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virtual int onData(const char * /*buffer*/, int /*len*/) { return -1; }
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virtual void updateParameter(int type, void *data);
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virtual size_t lseek(int /*offSet*/, int /*whence*/) { return 0; }
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private:
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void loopRenderTime();
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void loopDriverData();
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size_t readDriverData(void *buffer, size_t size);
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bool notifyInfoChange();
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int mRdFd;
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std::shared_ptr<std::thread> mRenderTimeThread;
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std::shared_ptr<std::thread> mReadThread;
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std::shared_ptr<BufferSegment> mSegment;
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// for poping and parsing
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std::shared_ptr<BufferItem> mCurrentItem;
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SubtitleIOState mState;
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bool mExitRequested;
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};
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