gstreamer/subprojects/gstreamer-vaapi/gst-libs/gst/vaapi/gstvaapibufferproxy.h

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/*
* gstvaapibufferproxy.h - Buffer proxy abstraction
*
* Copyright (C) 2014 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_BUFFER_PROXY_H
#define GST_VAAPI_BUFFER_PROXY_H
G_BEGIN_DECLS
#define GST_VAAPI_BUFFER_PROXY(obj) \
((GstVaapiBufferProxy *)(obj))
/**
* GST_VAAPI_BUFFER_PROXY_TYPE:
* @buf: a #GstVaapiBufferProxy
*
* Macro that evaluates to the type of the underlying VA buffer @buf
*/
#define GST_VAAPI_BUFFER_PROXY_TYPE(buf) \
gst_vaapi_buffer_proxy_get_type (GST_VAAPI_BUFFER_PROXY (buf))
/**
* GST_VAAPI_BUFFER_PROXY_HANDLE:
* @buf: a #GstVaapiBufferProxy
*
* Macro that evaluates to the handle of the underlying VA buffer @buf
*/
#define GST_VAAPI_BUFFER_PROXY_HANDLE(buf) \
gst_vaapi_buffer_proxy_get_handle (GST_VAAPI_BUFFER_PROXY (buf))
/**
* GST_VAAPI_BUFFER_PROXY_SIZE:
* @buf: a #GstVaapiBufferProxy
*
* Macro that evaluates to the size of the underlying VA buffer @buf
*/
#define GST_VAAPI_BUFFER_PROXY_SIZE(buf) \
gst_vaapi_buffer_proxy_get_size (GST_VAAPI_BUFFER_PROXY (buf))
typedef struct _GstVaapiBufferProxy GstVaapiBufferProxy;
/**
* GstVaapiBufferMemoryType:
* @GST_VAAPI_BUFFER_MEMORY_TYPE_DMA_BUF: DRM PRIME buffer memory type (old version).
* @GST_VAAPI_BUFFER_MEMORY_TYPE_DMA_BUF2: DRM PRIME buffer memory type.
* @GST_VAAPI_BUFFER_MEMORY_TYPE_GEM_BUF: Kernel DRM buffer memory type.
* @GST_VAAPI_BUFFER_MEMORY_TYPE_V4L2: V4L2 buffer memory type.
* @GST_VAAPI_BUFFER_MEMORY_TYPE_USER_PTR: User pointer memory type.
*
* Set of underlying VA buffer memory types.
*/
typedef enum {
GST_VAAPI_BUFFER_MEMORY_TYPE_DMA_BUF = 1,
GST_VAAPI_BUFFER_MEMORY_TYPE_DMA_BUF2,
GST_VAAPI_BUFFER_MEMORY_TYPE_GEM_BUF,
GST_VAAPI_BUFFER_MEMORY_TYPE_V4L2,
GST_VAAPI_BUFFER_MEMORY_TYPE_USER_PTR,
} GstVaapiBufferMemoryType;
GstVaapiBufferProxy *
gst_vaapi_buffer_proxy_new (guintptr handle, guint type, gsize size,
GDestroyNotify destroy_func, gpointer user_data);
GstVaapiBufferProxy *
gst_vaapi_buffer_proxy_ref (GstVaapiBufferProxy * proxy);
void
gst_vaapi_buffer_proxy_unref (GstVaapiBufferProxy * proxy);
void
gst_vaapi_buffer_proxy_replace (GstVaapiBufferProxy ** old_proxy_ptr,
GstVaapiBufferProxy * new_proxy);
guint
gst_vaapi_buffer_proxy_get_type (GstVaapiBufferProxy * proxy);
guintptr
gst_vaapi_buffer_proxy_get_handle (GstVaapiBufferProxy * proxy);
gsize
gst_vaapi_buffer_proxy_get_size (GstVaapiBufferProxy * proxy);
void
gst_vaapi_buffer_proxy_release_data (GstVaapiBufferProxy * proxy);
G_END_DECLS
#endif /* GST_VAAPI_BUFFER_PROXY_H */