85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
/******************************************************************************
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QtAV: Multimedia framework based on Qt and FFmpeg
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Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
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* This file is part of QtAV (from 2013)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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******************************************************************************/
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#ifndef QTAV_OUTPUTSET_H
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#define QTAV_OUTPUTSET_H
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#include <QtCore/QObject>
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#include <QtCore/QMutex>
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#include <QtCore/QWaitCondition>
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#include "_fav_constants.h"
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#include "AVOutput.h"
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namespace FAV {
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class AVPlayer;
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class VideoFrame;
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class OutputSet : public QObject
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{
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Q_OBJECT
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public:
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OutputSet(AVPlayer *player);
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virtual ~OutputSet();
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//required when accessing renderers
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void lock();
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void unlock();
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//implicity shared
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//QList<AVOutput*> outputs();
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QList<AVOutput*> outputs();
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//each(OutputOperation(data))
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//
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void sendData(const QByteArray& data);
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void sendVideoFrame(const VideoFrame& frame);
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void clearOutputs();
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void addOutput(AVOutput* output);
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void notifyPauseChange(AVOutput *output);
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bool canPauseThread() const;
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//in AVThread
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bool pauseThread(unsigned long timeout = ULONG_MAX); //There are 2 ways to pause AVThread: 1. pause thread directly. 2. pause all outputs
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/*
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* in user thread when pause count < set size.
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* 1. AVPlayer.pause(false) in player thread then call each output pause(false)
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* 2. shortcut for AVOutput.pause(false)
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*/
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void resumeThread();
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public slots:
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//connect to renderer->aboutToClose(). test whether delete on close
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void removeOutput(AVOutput *output);
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private:
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volatile bool mCanPauseThread;
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AVPlayer *mpPlayer;
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int mPauseCount; //pause AVThread if equals to mOutputs.size()
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QList<AVOutput*> mOutputs;
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QMutex mMutex;
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QWaitCondition mCond; //pause
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};
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} //namespace FAV
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#endif // QTAV_OUTPUTSET_H
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