gstreamer/gst/compositor/compositorpad.h
Sebastian Dröge 3e9b001013 compositor: Implement rescaling of the input via pad properties
compositor has now the same interface as glvideomixer.
2014-11-27 21:23:04 +01:00

69 lines
2.1 KiB
C

/* Generic compositor plugin pad
* Copyright (C) 2008 Wim Taymans <wim@fluendo.com>
* Copyright (C) 2010 Sebastian Dröge <sebastian.droege@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_COMPOSITOR_PAD_H__
#define __GST_COMPOSITOR_PAD_H__
#include <gst/gst.h>
#include <gst/video/video.h>
G_BEGIN_DECLS
#define GST_TYPE_COMPOSITOR_PAD (gst_compositor_pad_get_type())
#define GST_COMPOSITOR_PAD(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_COMPOSITOR_PAD, GstCompositorPad))
#define GST_COMPOSITOR_PAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_COMPOSITOR_PAD, GstCompositorPadClass))
#define GST_IS_COMPOSITOR_PAD(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_COMPOSITOR_PAD))
#define GST_IS_COMPOSITOR_PAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_COMPOSITOR_PAD))
typedef struct _GstCompositorPad GstCompositorPad;
typedef struct _GstCompositorPadClass GstCompositorPadClass;
/**
* GstCompositorPad:
*
* The opaque #GstCompositorPad structure.
*/
struct _GstCompositorPad
{
GstVideoAggregatorPad parent;
/* properties */
gint xpos, ypos;
gint width, height;
gdouble alpha;
GstVideoConverter *convert;
GstVideoInfo conversion_info;
GstBuffer *converted_buffer;
};
struct _GstCompositorPadClass
{
GstVideoAggregatorPadClass parent_class;
};
GType gst_compositor_pad_get_type (void);
G_END_DECLS
#endif /* __GST_COMPOSITOR_PAD_H__ */