mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-29 11:40:38 +00:00
659c45ee7e
Based on the Qt5 version of qmlgloverlay. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3845>
124 lines
3.8 KiB
C++
124 lines
3.8 KiB
C++
/*
|
|
* GStreamer
|
|
* Copyright (C) 2022 Matthew Waters <matthew@cenricular.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_QT6_GL_RENDER_H__
|
|
#define __GST_QT6_GL_RENDER_H__
|
|
|
|
#include <QThread>
|
|
#include <QMutex>
|
|
|
|
#include <gst/gl/gl.h>
|
|
|
|
QT_FORWARD_DECLARE_CLASS(QOpenGLContext)
|
|
QT_FORWARD_DECLARE_CLASS(QOpenGLFramebufferObject)
|
|
QT_FORWARD_DECLARE_CLASS(QQuickRenderControl)
|
|
QT_FORWARD_DECLARE_CLASS(QQuickWindow)
|
|
QT_FORWARD_DECLARE_CLASS(QQmlEngine)
|
|
QT_FORWARD_DECLARE_CLASS(QQmlComponent)
|
|
QT_FORWARD_DECLARE_CLASS(QQuickItem)
|
|
QT_FORWARD_DECLARE_CLASS(GstAnimationDriver)
|
|
QT_FORWARD_DECLARE_CLASS(GstBackingSurface)
|
|
|
|
class GstQt6QuickRenderer : public QObject
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
GstQt6QuickRenderer();
|
|
~GstQt6QuickRenderer();
|
|
|
|
/* initialize the GStreamer/Qt integration. On failure returns false
|
|
* and fills @error.
|
|
* Must be called with @context not wrapped and current in the current
|
|
* thread */
|
|
bool init (GstGLContext * context, GError ** error);
|
|
|
|
/* set the qml scene. returns false and fills @error on failure */
|
|
bool setQmlScene (const gchar * scene, GError ** error);
|
|
|
|
void setSize(int w, int h);
|
|
|
|
GstGLMemory *generateOutput(GstClockTime input_ns);
|
|
|
|
/* cleanup any resources. Any use of this object after calling this
|
|
* function may result in undefined behaviour */
|
|
void cleanup();
|
|
|
|
/* retrieve the rootItem from the qml scene. Only valid after
|
|
* setQmlScene() has been successfully called */
|
|
QQuickItem *rootItem() const;
|
|
|
|
private slots:
|
|
void initializeQml();
|
|
|
|
private:
|
|
void init();
|
|
void ensureFbo();
|
|
|
|
void updateSizes();
|
|
|
|
static void render_gst_gl_c (GstGLContext * context, GstQt6QuickRenderer * self) { self->renderGstGL (); }
|
|
void renderGstGL ();
|
|
|
|
static void initialize_gst_gl_c (GstGLContext * context, GstQt6QuickRenderer * self) { self->initializeGstGL (); }
|
|
void initializeGstGL ();
|
|
|
|
static void stop_c (GstGLContext * context, GstQt6QuickRenderer * self) { self->stopGL (); }
|
|
void stopGL ();
|
|
static void stop_after_c (GstGLContext * context, GstQt6QuickRenderer * self) { self->stopAfterGL (); }
|
|
void stopAfterGL ();
|
|
|
|
static void activate_context_c (GstGLContext * context, GstQt6QuickRenderer * self) { self->activateContext (); }
|
|
void activateContext ();
|
|
|
|
static void deactivate_context_c (GstGLContext * context, GstQt6QuickRenderer * self) { self->deactivateContext (); }
|
|
void deactivateContext ();
|
|
|
|
GstGLContext *gl_context;
|
|
QQuickWindow *m_quickWindow;
|
|
QQuickRenderControl *m_renderControl;
|
|
QQmlEngine *m_qmlEngine;
|
|
QQmlComponent *m_qmlComponent;
|
|
QQuickItem *m_rootItem;
|
|
|
|
GstGLBaseMemoryAllocator *gl_allocator;
|
|
GstGLAllocationParams *gl_params;
|
|
GstVideoInfo v_info;
|
|
GstGLMemory *gl_mem;
|
|
|
|
QString m_errorString;
|
|
struct SharedRenderData *m_sharedRenderData;
|
|
};
|
|
|
|
class CreateSurfaceWorker : public QObject
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
CreateSurfaceWorker (struct SharedRenderData * rdata);
|
|
~CreateSurfaceWorker ();
|
|
|
|
bool event(QEvent *ev) override;
|
|
|
|
private:
|
|
struct SharedRenderData *m_sharedRenderData;
|
|
};
|
|
|
|
#endif /* __GST_QT6_GL_RENDER_H__ */
|