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/*
* gstvaapivideobufferpool.h - Gstreamer/VA video buffer pool
*
* Copyright (C) 2013 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* 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_BUFFER_POOL_H
#define GST_VAAPI_VIDEO_BUFFER_POOL_H
#include <gst/video/gstvideopool.h>
#include <gst/vaapi/gstvaapidisplay.h>
G_BEGIN_DECLS
#define GST_VAAPI_TYPE_VIDEO_BUFFER_POOL \
(gst_vaapi_video_buffer_pool_get_type ())
#define GST_VAAPI_VIDEO_BUFFER_POOL(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_VAAPI_TYPE_VIDEO_BUFFER_POOL, \
GstVaapiVideoBufferPool))
#define GST_VAAPI_VIDEO_BUFFER_POOL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_VAAPI_TYPE_VIDEO_BUFFER_POOL, \
GstVaapiVideoBufferPoolClass))
#define GST_VAAPI_IS_VIDEO_BUFFER_POOL(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_VAAPI_TYPE_VIDEO_BUFFER_POOL))
#define GST_VAAPI_IS_VIDEO_BUFFER_POOL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_VAAPI_TYPE_VIDEO_BUFFER_POOL))
typedef struct _GstVaapiVideoBufferPool GstVaapiVideoBufferPool;
typedef struct _GstVaapiVideoBufferPoolClass GstVaapiVideoBufferPoolClass;
typedef struct _GstVaapiVideoBufferPoolPrivate GstVaapiVideoBufferPoolPrivate;
/**
* GST_BUFFER_POOL_OPTION_VAAPI_VIDEO_META:
*
* An option that can be activated on bufferpool to request vaapi
* video metadata on buffers from the pool.
*/
#define GST_BUFFER_POOL_OPTION_VAAPI_VIDEO_META \
"GstBufferPoolOptionVaapiVideoMeta"
/**
* GstVaapiVideoBufferPoolAcquireFlags:
* @GST_VAAPI_VIDEO_BUFFER_POOL_ACQUIRE_FLAG_NO_ALLOC: option to
* request that vaapi video metadata are not initially allocated,
* but are subsequently provided by the user.
*
* The set of #GstVaapiVideoBufferPool specific flags for
* gst_buffer_pool_acquire_buffer().
*/
typedef enum {
GST_VAAPI_VIDEO_BUFFER_POOL_ACQUIRE_FLAG_NO_ALLOC =
GST_BUFFER_POOL_ACQUIRE_FLAG_LAST << 0,
} GstVaapiVideoBufferPoolAcquireFlags;
/**
* GstVaapiVideoBufferPoolOption:
* @GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_META:
* @GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT:
* @GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_GL_TEXTURE_UPLOAD:
*
* Helper enum to handle the buffer pool options using bit operation.
**/
typedef enum
{
GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_META = (1u << 0),
GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT = (1u << 1),
GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_GL_TEXTURE_UPLOAD = (1u << 2),
} GstVaapiVideoBufferPoolOption;
/**
* GstVaapiVideoBufferPool:
*
* A VA video buffer pool object.
*/
struct _GstVaapiVideoBufferPool
{
GstBufferPool parent_instance;
/*< private >*/
GstVaapiVideoBufferPoolPrivate *priv;
};
/**
* GstVaapiVideoBufferPoolClass:
*
* A VA video buffer pool class.
*/
struct _GstVaapiVideoBufferPoolClass
{
GstBufferPoolClass parent_class;
};
G_GNUC_INTERNAL
GType
gst_vaapi_video_buffer_pool_get_type (void) G_GNUC_CONST;
G_GNUC_INTERNAL
GstBufferPool *
gst_vaapi_video_buffer_pool_new (GstVaapiDisplay * display) G_GNUC_CONST;
G_END_DECLS
#endif /* GST_VAAPI_VIDEO_BUFFER_POOL_H */
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