107 lines
3.3 KiB
C++
107 lines
3.3 KiB
C++
/******************************************************************************
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QtAV: Media play library 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
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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_AVTHREAD_P_H
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#define QTAV_AVTHREAD_P_H
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#include <QtCore/QMutex>
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#include <QtCore/QMutexLocker>
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#include <QtCore/QSemaphore>
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#include <QtCore/QVariant>
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#include <QtCore/QWaitCondition>
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#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
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#include <QtCore/QElapsedTimer>
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#else
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#include <QtCore/QTime>
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typedef QTime QElapsedTimer;
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#endif
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#include "PacketBuffer.h"
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#include "ring.h"
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QT_BEGIN_NAMESPACE
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class QRunnable;
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QT_END_NAMESPACE
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namespace FAV {
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const double kSyncThreshold = 0.2; // 200 ms
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class AVDecoder;
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class AVOutput;
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class AVClock;
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class Filter;
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class Statistics;
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class OutputSet;
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class AVThreadPrivate : public DPtrPrivate<AVThread>
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{
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public:
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AVThreadPrivate():
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paused(false)
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, next_pause(false)
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, stop(false)
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, clock(0)
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, dec(0)
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, outputSet(0)
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, delay(0)
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, statistics(0)
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, seek_requested(false)
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, render_pts0(-1)
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, drop_frame_seek(true)
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, pts_history(30)
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, wait_err(0)
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{
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tasks.blockFull(false);
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QVariantHash opt;
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opt[QString::fromLatin1("skip_frame")] = 8; // 8 for "avcodec", "NoRef" for "FFmpeg". see AVDiscard
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dec_opt_framedrop[QString::fromLatin1("avcodec")] = opt;
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opt[QString::fromLatin1("skip_frame")] = 0; // 0 for "avcodec", "Default" for "FFmpeg". see AVDiscard
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dec_opt_normal[QString::fromLatin1("avcodec")] = opt; // avcodec need correct string or value in libavcodec
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}
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virtual ~AVThreadPrivate();
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bool paused, next_pause;
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volatile bool stop; //true when packets is empty and demux is end.
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AVClock *clock;
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PacketBuffer packets;
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AVDecoder *dec;
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OutputSet *outputSet;
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QMutex mutex;
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QWaitCondition cond; //pause
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qreal delay;
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QList<Filter*> filters;
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Statistics *statistics; //not obj. Statistics is unique for the player, which is in AVPlayer
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BlockingQueue<QRunnable*> tasks;
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QSemaphore sem;
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bool seek_requested;
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//only decode video without display or skip decode audio until pts reaches
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qreal render_pts0; // SEEK 용도?
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static QVariantHash dec_opt_framedrop, dec_opt_normal;
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bool drop_frame_seek;
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ring<qreal> pts_history;
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qint64 wait_err;
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QElapsedTimer wait_timer;
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};
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} //namespace FAV
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#endif // QTAV_AVTHREAD_P_H
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