gstreamer/ext/qt/gstqsgtexture.h
Matthew Waters b8bb4cc50f qml: implement the required multiple GL context synchonisation
From GStreamer's GL context into the QML context
2015-08-08 17:30:42 +02:00

56 lines
1.6 KiB
C++

/*
* GStreamer
* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_QSG_TEXTURE_H__
#define __GST_QSG_TEXTURE_H__
#include <gst/gst.h>
#include <QSGTexture>
#include <QOpenGLFunctions>
#include <gst/video/video.h>
#include <gst/gl/gl.h>
class GstQSGTexture : public QSGTexture, protected QOpenGLFunctions
{
Q_OBJECT
public:
GstQSGTexture ();
~GstQSGTexture ();
void setCaps (GstCaps * caps);
gboolean setBuffer (GstBuffer * buffer);
/* QSGTexture */
void bind ();
int textureId () const;
QSize textureSize () const;
bool hasAlphaChannel () const;
bool hasMipmaps () const;
private:
GstBuffer * buffer_;
GstBuffer * sync_buffer_;
GstGLContext * qt_context_;
GstMemory * mem_;
GstVideoInfo v_info;
GstVideoFrame v_frame;
};
#endif /* __GST_QSG_TEXTURE_H__ */