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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>
123 lines
3.8 KiB
C
123 lines
3.8 KiB
C
/*
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* gstvaapivideopool.h - Video object pool abstraction
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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_POOL_H
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#define GST_VAAPI_VIDEO_POOL_H
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#include <glib.h>
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#include <gst/gstcaps.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_POOL \
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(gst_vaapi_video_pool_get_type())
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#define GST_VAAPI_VIDEO_POOL(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), \
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GST_VAAPI_TYPE_VIDEO_POOL, \
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GstVaapiVideoPool))
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#define GST_VAAPI_VIDEO_POOL_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), \
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GST_VAAPI_TYPE_VIDEO_POOL, \
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GstVaapiVideoPoolClass))
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#define GST_VAAPI_IS_VIDEO_POOL(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_VIDEO_POOL))
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#define GST_VAAPI_IS_VIDEO_POOL_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_VIDEO_POOL))
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#define GST_VAAPI_VIDEO_POOL_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj), \
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GST_VAAPI_TYPE_VIDEO_POOL, \
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GstVaapiVideoPoolClass))
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typedef struct _GstVaapiVideoPool GstVaapiVideoPool;
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typedef struct _GstVaapiVideoPoolPrivate GstVaapiVideoPoolPrivate;
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typedef struct _GstVaapiVideoPoolClass GstVaapiVideoPoolClass;
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/**
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* GstVaapiVideoPool:
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*
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* A pool of lazily allocated video objects. e.g. surfaces, images.
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*/
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struct _GstVaapiVideoPool {
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/*< private >*/
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GObject parent_instance;
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GstVaapiVideoPoolPrivate *priv;
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};
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/**
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* GstVaapiVideoPoolClass:
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* @set_caps: virtual function for notifying the subclass of the
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* negotiated caps
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* @alloc_object: virtual function for allocating a video pool object
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*
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* A pool base class used to hold video objects. e.g. surfaces, images.
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*/
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struct _GstVaapiVideoPoolClass {
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/*< private >*/
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GObjectClass parent_class;
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/*< public >*/
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void (*set_caps) (GstVaapiVideoPool *pool, GstCaps *caps);
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gpointer (*alloc_object)(GstVaapiVideoPool *pool, GstVaapiDisplay *display);
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};
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GType
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gst_vaapi_video_pool_get_type(void) G_GNUC_CONST;
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GstVaapiDisplay *
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gst_vaapi_video_pool_get_display(GstVaapiVideoPool *pool);
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GstCaps *
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gst_vaapi_video_pool_get_caps(GstVaapiVideoPool *pool);
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gpointer
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gst_vaapi_video_pool_get_object(GstVaapiVideoPool *pool);
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void
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gst_vaapi_video_pool_put_object(GstVaapiVideoPool *pool, gpointer object);
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gboolean
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gst_vaapi_video_pool_add_object(GstVaapiVideoPool *pool, gpointer object);
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gboolean
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gst_vaapi_video_pool_add_objects(GstVaapiVideoPool *pool, GPtrArray *objects);
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guint
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gst_vaapi_video_pool_get_size(GstVaapiVideoPool *pool);
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gboolean
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gst_vaapi_video_pool_reserve(GstVaapiVideoPool *pool, guint n);
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guint
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gst_vaapi_video_pool_get_capacity(GstVaapiVideoPool *pool);
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void
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gst_vaapi_video_pool_set_capacity(GstVaapiVideoPool *pool, guint capacity);
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G_END_DECLS
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#endif /* GST_VAAPI_VIDEO_POOL_H */
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