/* * 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 GType gst_gl_overlay_compositor_get_type (void); /** * GstGLOverlayCompositor * * Opaque #GstGLOverlayCompositor object */ struct _GstGLOverlayCompositor { GstObject parent; GstGLContext *context; guint last_window_width; guint last_window_height; GList * overlays; GstGLShader *shader; GLint position_attrib; GLint texcoord_attrib; }; /** * GstGLOverlayCompositorClass: * */ struct _GstGLOverlayCompositorClass { GstObjectClass object_class; }; GstGLOverlayCompositor *gst_gl_overlay_compositor_new (GstGLContext * context); void gst_gl_overlay_compositor_free_overlays (GstGLOverlayCompositor * compositor); void gst_gl_overlay_compositor_upload_overlays (GstGLOverlayCompositor * compositor, GstBuffer * buf); void gst_gl_overlay_compositor_draw_overlays (GstGLOverlayCompositor * compositor); GstCaps * gst_gl_overlay_compositor_add_caps(GstCaps * caps); G_END_DECLS #endif /* __GST_GL_OVERLAY_COMPOSITOR_H__ */