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130 lines
3.9 KiB
C
130 lines
3.9 KiB
C
/*
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* gstvaapivideobufferpool.h - Gstreamer/VA video buffer pool
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*
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* Copyright (C) 2013 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
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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_BUFFER_POOL_H
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#define GST_VAAPI_VIDEO_BUFFER_POOL_H
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#include <gst/video/gstvideopool.h>
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#include <gst/vaapi/gstvaapidisplay.h>
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#include <gst/vaapi/gstvaapisurfaceproxy.h>
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G_BEGIN_DECLS
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#define GST_VAAPI_TYPE_VIDEO_BUFFER_POOL \
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(gst_vaapi_video_buffer_pool_get_type ())
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#define GST_VAAPI_VIDEO_BUFFER_POOL(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_VAAPI_TYPE_VIDEO_BUFFER_POOL, \
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GstVaapiVideoBufferPool))
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#define GST_VAAPI_VIDEO_BUFFER_POOL_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_VAAPI_TYPE_VIDEO_BUFFER_POOL, \
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GstVaapiVideoBufferPoolClass))
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#define GST_VAAPI_IS_VIDEO_BUFFER_POOL(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_VAAPI_TYPE_VIDEO_BUFFER_POOL))
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#define GST_VAAPI_IS_VIDEO_BUFFER_POOL_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_VAAPI_TYPE_VIDEO_BUFFER_POOL))
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typedef struct _GstVaapiVideoBufferPoolAcquireParams GstVaapiVideoBufferPoolAcquireParams;
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typedef struct _GstVaapiVideoBufferPool GstVaapiVideoBufferPool;
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typedef struct _GstVaapiVideoBufferPoolClass GstVaapiVideoBufferPoolClass;
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typedef struct _GstVaapiVideoBufferPoolPrivate GstVaapiVideoBufferPoolPrivate;
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/**
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* GST_BUFFER_POOL_OPTION_VAAPI_VIDEO_META:
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*
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* An option that can be activated on bufferpool to request vaapi
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* video metadata on buffers from the pool.
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*/
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#define GST_BUFFER_POOL_OPTION_VAAPI_VIDEO_META \
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"GstBufferPoolOptionVaapiVideoMeta"
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/**
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* GstVaapiVideoBufferPoolOption:
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* @GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_META:
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* @GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT:
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* @GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_GL_TEXTURE_UPLOAD:
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*
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* Helper enum to handle the buffer pool options using bit operation.
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**/
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typedef enum
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{
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GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_META = (1u << 0),
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GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT = (1u << 1),
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GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_GL_TEXTURE_UPLOAD = (1u << 2),
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} GstVaapiVideoBufferPoolOption;
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/**
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* GstVaapiVideoBufferPoolAcquireParams:
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* @proxy: the #GstVaapiSurfaceProxy associated to the dmabuf-base
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* memory
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*
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* Parameters passed to the gst_buffer_pool_acquire_buffer() function
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* on a #GstVaapiVideoBufferPool, to control the allocation of the
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* buffer.
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*
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* This is an extension of #GstBufferPoolAcquireParams
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*/
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struct _GstVaapiVideoBufferPoolAcquireParams
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{
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GstBufferPoolAcquireParams parent_instance;
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GstVaapiSurfaceProxy *proxy;
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};
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/**
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* GstVaapiVideoBufferPool:
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*
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* A VA video buffer pool object.
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*/
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struct _GstVaapiVideoBufferPool
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{
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GstBufferPool parent_instance;
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/*< private >*/
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GstVaapiVideoBufferPoolPrivate *priv;
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};
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/**
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* GstVaapiVideoBufferPoolClass:
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*
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* A VA video buffer pool class.
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*/
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struct _GstVaapiVideoBufferPoolClass
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{
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GstBufferPoolClass parent_class;
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};
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G_GNUC_INTERNAL
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GType
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gst_vaapi_video_buffer_pool_get_type (void) G_GNUC_CONST;
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G_GNUC_INTERNAL
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GstBufferPool *
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gst_vaapi_video_buffer_pool_new (GstVaapiDisplay * display);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_video_buffer_pool_copy_buffer (GstBufferPool * pool);
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G_END_DECLS
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#endif /* GST_VAAPI_VIDEO_BUFFER_POOL_H */
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