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96208c1694
- update for shaders - add alpha property - image placement properties shamelessly borrowed from gdkpixbufoverlay - image placement properties are GstController able - use GstGLMemory for the overlay image data - add support for gles2
75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/*
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* GStreamer
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* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef _GST_GL_OVERLAY_H_
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#define _GST_GL_OVERLAY_H_
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#include <gst/gl/gstglfilter.h>
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G_BEGIN_DECLS
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#define GST_TYPE_GL_OVERLAY (gst_gl_overlay_get_type())
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#define GST_GL_OVERLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_GL_OVERLAY,GstGLOverlay))
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#define GST_IS_GL_OVERLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_GL_OVERLAY))
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#define GST_GL_OVERLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) , GST_TYPE_GL_OVERLAY,GstGLOverlayClass))
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#define GST_IS_GL_OVERLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) , GST_TYPE_GL_OVERLAY))
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#define GST_GL_OVERLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) , GST_TYPE_GL_OVERLAY,GstGLOverlayClass))
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typedef struct _GstGLOverlay GstGLOverlay;
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typedef struct _GstGLOverlayClass GstGLOverlayClass;
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struct _GstGLOverlay
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{
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GstGLFilter filter;
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/* properties */
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gchar *location;
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gint offset_x;
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gint offset_y;
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gdouble relative_x;
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gdouble relative_y;
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gint overlay_width;
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gint overlay_height;
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gdouble alpha;
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/* <private> */
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GstGLShader *shader;
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GstGLMemory *image_memory;
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gboolean location_has_changed;
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gint type_file; // 0 = No; 1 = PNG and 2 = JPEG
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gint window_width, window_height;
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gint image_width, image_height;
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};
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struct _GstGLOverlayClass
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{
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GstGLFilterClass filter_class;
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};
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GType gst_gl_overlay_get_type (void);
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G_END_DECLS
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#endif /* _GST_GL_OVERLAY_H_ */
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