/* GStreamer

 * Copyright (C) <2011> Wim Taymans <wim.taymans@gmail.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., 51 Franklin St, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 */

#ifndef __GST_VIDEO_POOL_H__

#define __GST_VIDEO_POOL_H__

#include <gst/gst.h>

#include <gst/video/video.h>

G_BEGIN_DECLS

/**

 * GST_BUFFER_POOL_OPTION_VIDEO_META:

 *

 * An option that can be activated on bufferpool to request video metadata

 * on buffers from the pool.

 */

#define GST_BUFFER_POOL_OPTION_VIDEO_META "GstBufferPoolOptionVideoMeta"

/**

 * GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT:

 *

 * A bufferpool option to enable extra padding. When a bufferpool supports this

 * option, gst_buffer_pool_config_set_video_alignment() can be called.

 *

 * When this option is enabled on the bufferpool,

 * #GST_BUFFER_POOL_OPTION_VIDEO_META should also be enabled.

 */

#define GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT "GstBufferPoolOptionVideoAlignment"

/* setting a bufferpool config */

GST_VIDEO_API

void             gst_buffer_pool_config_set_video_alignment  (GstStructure *config, GstVideoAlignment *align);

GST_VIDEO_API

gboolean         gst_buffer_pool_config_get_video_alignment  (GstStructure *config, GstVideoAlignment *align);

/* video bufferpool */

typedef struct _GstVideoBufferPool GstVideoBufferPool;

typedef struct _GstVideoBufferPoolClass GstVideoBufferPoolClass;

typedef struct _GstVideoBufferPoolPrivate GstVideoBufferPoolPrivate;

#define GST_TYPE_VIDEO_BUFFER_POOL      (gst_video_buffer_pool_get_type())

#define GST_IS_VIDEO_BUFFER_POOL(obj)   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VIDEO_BUFFER_POOL))

#define GST_VIDEO_BUFFER_POOL(obj)      (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VIDEO_BUFFER_POOL, GstVideoBufferPool))

#define GST_VIDEO_BUFFER_POOL_CAST(obj) ((GstVideoBufferPool*)(obj))

struct _GstVideoBufferPool

{

  GstBufferPool bufferpool;

  GstVideoBufferPoolPrivate *priv;

};

struct _GstVideoBufferPoolClass

{

  GstBufferPoolClass parent_class;

};

GST_VIDEO_API

GType             gst_video_buffer_pool_get_type      (void);

GST_VIDEO_API

GstBufferPool *   gst_video_buffer_pool_new           (void);

#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC

G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstVideoBufferPool, gst_object_unref)

#endif

G_END_DECLS

#endif /* __GST_VIDEO_POOL_H__ */