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/*
* gstvaapiblend.h - Video processing blend
*
* Copyright (C) 2019 Intel Corporation
* Author: U. Artie Eoff <ullysses.a.eoff@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef GST_VAAPI_BLEND_H
#define GST_VAAPI_BLEND_H
#include <gst/vaapi/gstvaapisurface.h>
G_BEGIN_DECLS
#define GST_TYPE_VAAPI_BLEND \
(gst_vaapi_blend_get_type ())
#define GST_VAAPI_BLEND(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VAAPI_BLEND, GstVaapiBlend))
#define GST_IS_VAAPI_BLEND(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VAAPI_BLEND))
typedef struct _GstVaapiBlend GstVaapiBlend;
typedef struct _GstVaapiBlendSurface GstVaapiBlendSurface;
typedef struct _GstVaapiBlendSurfaceGenerator GstVaapiBlendSurfaceGenerator;
struct _GstVaapiBlendSurface
{
GstVaapiSurface const *surface;
const GstVaapiRectangle *crop;
GstVaapiRectangle target;
gdouble alpha;
};
struct _GstVaapiBlendSurfaceGenerator
{
GstVaapiBlendSurface* (*next)();
};
GstVaapiBlend *
gst_vaapi_blend_new (GstVaapiDisplay * display);
void
gst_vaapi_blend_replace (GstVaapiBlend ** old_blend_ptr,
GstVaapiBlend * new_blend);
gboolean
gst_vaapi_blend_process (GstVaapiBlend * blend, GstVaapiSurface * output,
GstVaapiBlendSurfaceGenerator * generator);
GType
gst_vaapi_blend_get_type (void) G_GNUC_CONST;
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstVaapiBlend, gst_object_unref)
G_END_DECLS
#endif /* GST_VAAPI_FILTER_H */
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