mirror of
https://github.com/wang-bin/QtAV.git
synced 2026-10-21 22:56:20 +08:00
wang-bin
67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
/******************************************************************************
|
|
QtAV: Media play library based on Qt and FFmpeg
|
|
Copyright (C) 2014-2015 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_QUICKVIDEOPREVIEW_H
|
|
#define QTAV_QUICKVIDEOPREVIEW_H
|
|
|
|
#include <QtAV/VideoFrameExtractor.h>
|
|
#define CONFIG_FBO_ITEM (QT_VERSION >= QT_VERSION_CHECK(5, 2, 0))
|
|
#if CONFIG_FBO_ITEM
|
|
#include <QmlAV/QuickFBORenderer.h>
|
|
#else
|
|
#include <QmlAV/QQuickItemRenderer.h>
|
|
#endif
|
|
namespace QtAV {
|
|
|
|
class QuickVideoPreview
|
|
#if CONFIG_FBO_ITEM
|
|
: public QuickFBORenderer
|
|
#else
|
|
: public QQuickItemRenderer
|
|
#endif
|
|
{
|
|
Q_OBJECT
|
|
// position conflicts with QQuickItem.position
|
|
Q_PROPERTY(int timestamp READ timestamp WRITE setTimestamp NOTIFY timestampChanged)
|
|
// source is already in VideoOutput
|
|
Q_PROPERTY(QUrl file READ file WRITE setFile NOTIFY fileChanged)
|
|
public:
|
|
explicit QuickVideoPreview(QQuickItem *parent = 0);
|
|
void setTimestamp(int value);
|
|
int timestamp() const;
|
|
void setFile(const QUrl& value);
|
|
QUrl file() const;
|
|
|
|
signals:
|
|
void timestampChanged();
|
|
void fileChanged();
|
|
|
|
private slots:
|
|
void displayFrame(const QtAV::VideoFrame& frame); //parameter VideoFrame
|
|
void displayNoFrame();
|
|
|
|
private:
|
|
QUrl m_file;
|
|
VideoFrameExtractor m_extractor;
|
|
};
|
|
} //namespace QtAV
|
|
#endif // QUICKVIDEOPREVIEW_H
|