gstreamer/gst-libs/gst/video/gstsurfacemeta.h
2012-04-20 12:26:35 +02:00

68 lines
2.2 KiB
C

/* GStreamer
* Copyright (C) 2011 Collabora Ltd.
* Copyright (C) 2011 Intel
*
* Author: Nicolas Dufresne <nicolas.dufresne@collabora.com>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _GST_SURFACE_META_H_
#define _GST_SURFACE_META_H_
#ifndef GST_USE_UNSTABLE_API
#warning "GstSurfaceMeta is unstable API and may change in future."
#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
#endif
#include <gst/gst.h>
#include <gst/video/gstsurfaceconverter.h>
G_BEGIN_DECLS
typedef struct _GstSurfaceMeta GstSurfaceMeta;
/**
* GstSurfaceMeta:
* @create_converter: vmethod to create a converter.
*
*/
struct _GstSurfaceMeta {
GstMeta meta;
GstSurfaceConverter * (*create_converter) (GstSurfaceMeta *meta,
const gchar *type,
GValue *dest);
};
GType gst_surface_meta_api_get_type (void);
#define GST_SURFACE_META_API_TYPE (gst_surface_meta_api_get_type())
const GstMetaInfo *gst_surface_meta_get_info (void);
#define GST_SURFACE_META_INFO (gst_surface_meta_get_info())
#define gst_buffer_get_surface_meta(b) \
((GstSurfaceMeta*)gst_buffer_get_meta((b),GST_SURFACE_META_API_TYPE))
#define gst_buffer_add_surface_meta(b) \
((GstSurfaceMeta*)gst_buffer_add_meta((b),GST_SURFACE_META_INFO,NULL))
GstSurfaceConverter *gst_surface_meta_create_converter (GstSurfaceMeta *meta,
const gchar *type,
GValue *dest);
G_END_DECLS
#endif