gstreamer/gst-libs/gst/video/gstsurfacebuffer.h

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/* 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_BUFFER_H_
#define _GST_SURFACE_BUFFER_H_
#ifndef GST_USE_UNSTABLE_API
#warning "GstSurfaceBuffer 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
#define GST_TYPE_SURFACE_BUFFER (gst_surface_buffer_get_type())
#define GST_SURFACE_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SURFACE_BUFFER,GstSurfaceBuffer))
#define GST_SURFACE_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SURFACE_BUFFER,GstSurfaceBufferClass))
#define GST_SURFACE_BUFFER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_SURFACE_BUFFER,GstSurfaceBufferClass))
#define GST_IS_SURFACE_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SURFACE_BUFFER))
#define GST_IS_SURFACE_BUFFER_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SURFACE_BUFFER))
/**
* GST_VIDEO_CAPS_SURFACE:
*
* Base caps for GstSurfaceBuffer. Implementation specific type must be marked
* using the type attribute (e.g. type=vaapi). Available convertion shall be
* specified using boolean attributes (e.g. opengl=true).
*/
#define GST_VIDEO_CAPS_SURFACE "video/x-surface"
typedef struct _GstSurfaceBufferClass GstSurfaceBufferClass;
/**
* GstSurfaceBuffer:
* @parent: parent object
*/
struct _GstSurfaceBuffer
{
GstBuffer parent;
/*< private >*/
void *padding[GST_PADDING];
};
/**
* GstSurfaceBufferClass:
* @parent_class: parent class type.
* @create_converter: vmethod to create a converter.
*
* #GstVideoContextInterface interface.
*/
struct _GstSurfaceBufferClass
{
GstBufferClass parent_class;
GstSurfaceConverter * (*create_converter) (GstSurfaceBuffer *buffer,
const gchar *type,
GValue *dest);
/*< private >*/
void *padding[GST_PADDING];
};
GType gst_surface_buffer_get_type (void);
GstSurfaceConverter *gst_surface_buffer_create_converter (GstSurfaceBuffer *buffer,
const gchar *type,
GValue *dest);
G_END_DECLS
#endif