gstreamer/gst-libs/gst/vaapi/gstvaapivideopool_priv.h
XuGuangxin f9ee8703cf libs: make GstVaapiVideoPool thread-safe.
https://bugzilla.gnome.org/show_bug.cgi?id=707108

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
2013-11-21 11:08:23 +01:00

105 lines
3.2 KiB
C

/*
* gstvaapivideopool_priv.h - Video object pool abstraction (private defs)
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Copyright (C) 2012 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef GST_VAAPI_VIDEO_POOL_PRIV_H
#define GST_VAAPI_VIDEO_POOL_PRIV_H
#include "gstvaapiminiobject.h"
G_BEGIN_DECLS
#define GST_VAAPI_VIDEO_POOL_CLASS(klass) \
((GstVaapiVideoPoolClass *)(klass))
#define GST_VAAPI_IS_VIDEO_POOL_CLASS(klass) \
((klass) != NULL)
typedef struct _GstVaapiVideoPoolClass GstVaapiVideoPoolClass;
/**
* GstVaapiVideoPool:
*
* A pool of lazily allocated video objects. e.g. surfaces, images.
*/
struct _GstVaapiVideoPool {
/*< private >*/
GstVaapiMiniObject parent_instance;
guint object_type;
GstVaapiDisplay *display;
GQueue free_objects;
GList *used_objects;
guint used_count;
guint capacity;
GMutex mutex;
};
/**
* GstVaapiVideoPoolClass:
* @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 >*/
GstVaapiMiniObjectClass parent_class;
/*< public >*/
gpointer (*alloc_object)(GstVaapiVideoPool *pool);
};
G_GNUC_INTERNAL
void
gst_vaapi_video_pool_init(GstVaapiVideoPool *pool, GstVaapiDisplay *display,
GstVaapiVideoPoolObjectType object_type);
G_GNUC_INTERNAL
void
gst_vaapi_video_pool_finalize(GstVaapiVideoPool *pool);
/* Internal aliases */
#define gst_vaapi_video_pool_ref_internal(pool) \
((gpointer)gst_vaapi_mini_object_ref(GST_VAAPI_MINI_OBJECT(pool)))
#define gst_vaapi_video_pool_unref_internal(pool) \
gst_vaapi_mini_object_unref(GST_VAAPI_MINI_OBJECT(pool))
#define gst_vaapi_video_pool_replace_internal(old_pool_ptr, new_pool) \
gst_vaapi_mini_object_replace((GstVaapiMiniObject **)(old_pool_ptr), \
GST_VAAPI_MINI_OBJECT(new_pool))
#undef gst_vaapi_video_pool_ref
#define gst_vaapi_video_pool_ref(pool) \
gst_vaapi_video_pool_ref_internal((pool))
#undef gst_vaapi_video_pool_unref
#define gst_vaapi_video_pool_unref(pool) \
gst_vaapi_video_pool_unref_internal((pool))
#undef gst_vaapi_video_pool_replace
#define gst_vaapi_video_pool_replace(old_pool_ptr, new_pool) \
gst_vaapi_video_pool_replace_internal((old_pool_ptr), (new_pool))
G_END_DECLS
#endif /* GST_VAAPI_VIDEO_POOL_PRIV_H */