gstreamer/gst/vaapi/gstvaapivideomemory.h

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/*
* gstvaapivideomemory.h - Gstreamer/VA video memory
*
* Copyright (C) 2013 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_MEMORY_H
#define GST_VAAPI_VIDEO_MEMORY_H
#include <gst/gstallocator.h>
#include <gst/video/video-info.h>
#include <gst/vaapi/gstvaapidisplay.h>
#include "gstvaapivideometa.h"
G_BEGIN_DECLS
typedef struct _GstVaapiVideoMemory GstVaapiVideoMemory;
typedef struct _GstVaapiVideoAllocator GstVaapiVideoAllocator;
typedef struct _GstVaapiVideoAllocatorClass GstVaapiVideoAllocatorClass;
/* ------------------------------------------------------------------------ */
/* --- GstVaapiVideoMemory --- */
/* ------------------------------------------------------------------------ */
#define GST_VAAPI_VIDEO_MEMORY_CAST(mem) \
((GstVaapiVideoMemory *)(mem))
#define GST_VAAPI_VIDEO_MEMORY_NAME "GstVaapiVideoMemory"
/**
* GstVaapiVideoMemory:
*
* A VA video memory object holder, including VA surfaces, images and
* proxies.
*/
struct _GstVaapiVideoMemory {
GstMemory parent_instance;
/*< private >*/
const GstVideoInfo *surface_info;
GstVaapiSurface *surface;
const GstVideoInfo *image_info;
GstVaapiImage *image;
GstVaapiVideoMeta *meta;
gint map_count;
gboolean use_direct_rendering;
};
G_GNUC_INTERNAL
GstMemory *
gst_vaapi_video_memory_new(GstAllocator *allocator, GstVaapiVideoMeta *meta);
G_GNUC_INTERNAL
gboolean
gst_video_meta_map_vaapi_memory(GstVideoMeta *meta, guint plane,
GstMapInfo *info, gpointer *data, gint *stride, GstMapFlags flags);
G_GNUC_INTERNAL
gboolean
gst_video_meta_unmap_vaapi_memory(GstVideoMeta *meta, guint plane,
GstMapInfo *info);
/* ------------------------------------------------------------------------ */
/* --- GstVaapiVideoAllocator --- */
/* ------------------------------------------------------------------------ */
#define GST_VAAPI_VIDEO_ALLOCATOR_CAST(allocator) \
((GstVaapiVideoAllocator *)(allocator))
#define GST_VAAPI_TYPE_VIDEO_ALLOCATOR \
(gst_vaapi_video_allocator_get_type())
#define GST_VAAPI_VIDEO_ALLOCATOR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GST_VAAPI_TYPE_VIDEO_ALLOCATOR, \
GstVaapiVideoAllocator))
#define GST_VAAPI_IS_VIDEO_ALLOCATOR(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_VIDEO_ALLOCATOR))
#define GST_VAAPI_VIDEO_ALLOCATOR_NAME "GstVaapiVideoAllocator"
/**
* GstVaapiVideoAllocator:
*
* A VA video memory allocator object.
*/
struct _GstVaapiVideoAllocator {
GstAllocator parent_instance;
/*< private >*/
GstVideoInfo video_info;
GstVideoInfo surface_info;
GstVideoInfo image_info;
gboolean has_direct_rendering;
};
/**
* GstVaapiVideoAllocatorClass:
*
* A VA video memory allocator class.
*/
struct _GstVaapiVideoAllocatorClass {
GstAllocatorClass parent_class;
};
G_GNUC_INTERNAL
GType
gst_vaapi_video_allocator_get_type(void) G_GNUC_CONST;
G_GNUC_INTERNAL
GstAllocator *
gst_vaapi_video_allocator_new(GstVaapiDisplay *display, GstCaps *caps);
G_END_DECLS
#endif /* GST_VAAPI_VIDEO_MEMORY_H */