gstreamer/gst-libs/gst/vaapi/gstvaapivideopool.h

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/*
* gstvaapivideopool.h - Video object pool abstraction
*
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef GST_VAAPI_VIDEO_POOL_H
#define GST_VAAPI_VIDEO_POOL_H
#include <glib.h>
#include <gst/gstcaps.h>
#include <gst/vaapi/gstvaapidisplay.h>
G_BEGIN_DECLS
#define GST_VAAPI_TYPE_VIDEO_POOL \
(gst_vaapi_video_pool_get_type())
#define GST_VAAPI_VIDEO_POOL(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GST_VAAPI_TYPE_VIDEO_POOL, \
GstVaapiVideoPool))
#define GST_VAAPI_VIDEO_POOL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GST_VAAPI_TYPE_VIDEO_POOL, \
GstVaapiVideoPoolClass))
#define GST_VAAPI_IS_VIDEO_POOL(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_VIDEO_POOL))
#define GST_VAAPI_IS_VIDEO_POOL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_VIDEO_POOL))
#define GST_VAAPI_VIDEO_POOL_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
GST_VAAPI_TYPE_VIDEO_POOL, \
GstVaapiVideoPoolClass))
typedef struct _GstVaapiVideoPool GstVaapiVideoPool;
typedef struct _GstVaapiVideoPoolPrivate GstVaapiVideoPoolPrivate;
typedef struct _GstVaapiVideoPoolClass GstVaapiVideoPoolClass;
/**
* GstVaapiVideoPool:
*
* A pool of lazily allocated video objects. e.g. surfaces, images.
*/
struct _GstVaapiVideoPool {
/*< private >*/
GObject parent_instance;
GstVaapiVideoPoolPrivate *priv;
};
/**
* GstVaapiVideoPoolClass:
* @set_caps: virtual function for notifying the subclass of the
* negotiated caps
* @alloc_object: virtual function for allocating a video pool object
*
* A pool base class used to hold video objects. e.g. surfaces, images.
*/
struct _GstVaapiVideoPoolClass {
/*< private >*/
GObjectClass parent_class;
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/*< public >*/
void (*set_caps) (GstVaapiVideoPool *pool, GstCaps *caps);
gpointer (*alloc_object)(GstVaapiVideoPool *pool, GstVaapiDisplay *display);
};
GType
gst_vaapi_video_pool_get_type(void);
GstCaps *
gst_vaapi_video_pool_get_caps(GstVaapiVideoPool *pool);
gpointer
gst_vaapi_video_pool_get_object(GstVaapiVideoPool *pool);
void
gst_vaapi_video_pool_put_object(GstVaapiVideoPool *pool, gpointer object);
gboolean
gst_vaapi_video_pool_add_object(GstVaapiVideoPool *pool, gpointer object);
gboolean
gst_vaapi_video_pool_add_objects(GstVaapiVideoPool *pool, GPtrArray *objects);
guint
gst_vaapi_video_pool_get_size(GstVaapiVideoPool *pool);
gboolean
gst_vaapi_video_pool_reserve(GstVaapiVideoPool *pool, guint n);
guint
gst_vaapi_video_pool_get_capacity(GstVaapiVideoPool *pool);
void
gst_vaapi_video_pool_set_capacity(GstVaapiVideoPool *pool, guint capacity);
G_END_DECLS
#endif /* GST_VAAPI_VIDEO_POOL_H */