/******************************************************************************
    QtAV:  Multimedia framework based on Qt and FFmpeg
    Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>

*   This file is part of QtAV

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
******************************************************************************/


#ifndef QTAV_VIDEOTHREAD_H
#define QTAV_VIDEOTHREAD_H

#include "AVThread.h"
#include <QtCore/QSize>

namespace FAV {

class VideoCapture;
class VideoFrame;
class VideoThreadPrivate;
class VideoThread : public AVThread
{
    Q_OBJECT
    DPTR_DECLARE_PRIVATE(VideoThread)
public:
    // prevent clock update (while finish seek)
    bool do_not_update_next_clock;

    explicit VideoThread(QObject *parent = 0);
    VideoCapture *setVideoCapture(VideoCapture* cap); //ensure thread safe
    VideoCapture *videoCapture() const;
    VideoFrame displayedFrame() const;
    void setFrameRate(qreal value);
    //virtual bool event(QEvent *event);
    void setBrightness(int val);
    void setContrast(int val);
    void setSaturation(int val);
    void setEQ(int b, int c, int s);

#if (FIXED_FPS_DURATION)
    qint64 stopPosition;
#endif

#if (PLAY_SYNC_FIX2)
    qreal EOFPacketPTS;     //!< 수신된 최종 패킷의 PTS (SEEK 위치 검증시 사용)
#endif

#if (RM_TESTING)
    int displyedFrame;
#endif

public Q_SLOTS:
    void addCaptureTask();
    void clearRenderers();

protected:
#if (FIRST_FRAME_NOTIFY)
    bool bFirstFrameDraw;
#endif

#if (USE_SKIP_COUNT)
    int nSkip;
#endif
    void applyFilters(VideoFrame& frame);
    // deliver video frame to video renderers. frame may be converted to a suitable format for renderer
    bool deliverVideoFrame(VideoFrame &frame);
    virtual void run();
    // wait for value msec. every usleep is a small time, then process next task and get new delay
#if (FIRST_FRAME_NOTIFY)
Q_SIGNALS:
    void firstFrameNotify(qreal pts);
    void frameEnded();
#endif

};


} //namespace FAV
#endif // QTAV_VIDEOTHREAD_H