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dba174906a
Declaring a function as const enables better optimization of calls to the function. Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
74 lines
2.5 KiB
C
74 lines
2.5 KiB
C
/*
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* gstvaapivideosink.h - VA sink interface
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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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 Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GST_VAAPI_VIDEO_SINK_H
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#define GST_VAAPI_VIDEO_SINK_H
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#include <gst/gstelement.h>
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#include <gst/vaapi/gstvaapidisplay.h>
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G_BEGIN_DECLS
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#define GST_VAAPI_TYPE_VIDEO_SINK \
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(gst_vaapi_video_sink_get_type())
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#define GST_VAAPI_VIDEO_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), \
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GST_VAAPI_TYPE_VIDEO_SINK, \
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GstVaapiVideoSink))
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#define GST_VAAPI_IS_VIDEO_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_VIDEO_SINK))
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#define GST_VAAPI_VIDEO_SINK_GET_INTERFACE(obj) \
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(G_TYPE_INSTANCE_GET_INTERFACE((obj), \
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GST_VAAPI_TYPE_VIDEO_SINK, \
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GstVaapiVideoSinkInterface))
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typedef struct _GstVaapiVideoSink GstVaapiVideoSink; /* dummy */
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typedef struct _GstVaapiVideoSinkInterface GstVaapiVideoSinkInterface;
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/**
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* GstVaapiVideoSinkInterface:
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* @get_display: virtual function for retrieving the #GstVaapiDisplay created
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* by the downstream sink element. The implementation of that virtual
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* function is required for all Gstreamer/VAAPI sink elements.
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*/
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struct _GstVaapiVideoSinkInterface {
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/*< private >*/
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GTypeInterface g_iface;
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/*< public >*/
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GstVaapiDisplay *(*get_display)(GstVaapiVideoSink *sink);
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};
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GType
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gst_vaapi_video_sink_get_type(void) G_GNUC_CONST;
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GstVaapiDisplay *
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gst_vaapi_video_sink_get_display(GstVaapiVideoSink *sink);
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GstVaapiVideoSink *
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gst_vaapi_video_sink_lookup(GstElement *element);
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G_END_DECLS
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#endif /* GST_VAAPI_VIDEO_SINK_H */
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