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/*
* GStreamer
* Copyright (C) 2015 Lubosz Sarnecki <lubosz.sarnecki@collabora.co.uk>
*
* 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_GL_OVERLAY_COMPOSITOR_H__
#define __GST_GL_OVERLAY_COMPOSITOR_H__
#include <gst/video/video.h>
#include <gst/gl/gstgl_fwd.h>
#define GST_TYPE_GL_OVERLAY_COMPOSITOR (gst_gl_overlay_compositor_get_type())
#define GST_GL_OVERLAY_COMPOSITOR(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_OVERLAY_COMPOSITOR,GstGLOverlayCompositor))
#define GST_GL_OVERLAY_COMPOSITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_OVERLAY_COMPOSITOR,GstGLOverlayCompositorClass))
#define GST_IS_GL_OVERLAY_COMPOSITOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_OVERLAY_COMPOSITOR))
#define GST_IS_GL_OVERLAY_COMPOSITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_OVERLAY_COMPOSITOR))
#define GST_GL_OVERLAY_COMPOSITOR_CAST(obj) ((GstGLOverlayCompositor*)(obj))
G_BEGIN_DECLS
GST_GL_API
GType gst_gl_overlay_compositor_get_type (void);
/**
* GstGLOverlayCompositor:
*
* Opaque #GstGLOverlayCompositor object
*/
struct _GstGLOverlayCompositor
{
/*< private >*/
GstObject parent;
GstGLContext *context;
guint last_window_width;
guint last_window_height;
GList * overlays;
GstGLShader *shader;
gint position_attrib;
gint texcoord_attrib;
gpointer _padding[GST_PADDING];
};
/**
* GstGLOverlayCompositorClass:
*
*/
struct _GstGLOverlayCompositorClass
{
GstObjectClass object_class;
/*< private >*/
gpointer _padding[GST_PADDING];
};
GST_GL_API
GstGLOverlayCompositor *gst_gl_overlay_compositor_new (GstGLContext * context);
GST_GL_API
void gst_gl_overlay_compositor_free_overlays (GstGLOverlayCompositor * compositor);
GST_GL_API
void gst_gl_overlay_compositor_upload_overlays (GstGLOverlayCompositor * compositor,
GstBuffer * buf);
GST_GL_API
void gst_gl_overlay_compositor_draw_overlays (GstGLOverlayCompositor * compositor);
GST_GL_API
GstCaps * gst_gl_overlay_compositor_add_caps(GstCaps * caps);
G_END_DECLS
#endif /* __GST_GL_OVERLAY_COMPOSITOR_H__ */
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