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gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/d3d11/gstd3d11memory.h

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/*
* GStreamer
* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
* Copyright (C) 2020 Seungha Yang <seungha@centricular.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_D3D11_MEMORY_H__
#define __GST_D3D11_MEMORY_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/d3d11/gstd3d11_fwd.h>
#include <gst/d3d11/gstd3d11format.h>
G_BEGIN_DECLS
#define GST_TYPE_D3D11_ALLOCATION_PARAMS (gst_d3d11_allocation_params_get_type())
#define GST_TYPE_D3D11_MEMORY (gst_d3d11_memory_get_type())
#define GST_D3D11_MEMORY_CAST(obj) ((GstD3D11Memory *)obj)
#define GST_TYPE_D3D11_ALLOCATOR (gst_d3d11_allocator_get_type())
#define GST_D3D11_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_D3D11_ALLOCATOR, GstD3D11Allocator))
#define GST_D3D11_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_D3D11_ALLOCATOR, GstD3D11AllocatorClass))
#define GST_IS_D3D11_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_D3D11_ALLOCATOR))
#define GST_IS_D3D11_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_D3D11_ALLOCATOR))
#define GST_D3D11_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_D3D11_ALLOCATOR, GstD3D11AllocatorClass))
#define GST_D3D11_ALLOCATOR_CAST(obj) ((GstD3D11Allocator *)obj)
#define GST_TYPE_D3D11_POOL_ALLOCATOR (gst_d3d11_pool_allocator_get_type())
#define GST_D3D11_POOL_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_D3D11_POOL_ALLOCATOR, GstD3D11PoolAllocator))
#define GST_D3D11_POOL_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_D3D11_POOL_ALLOCATOR, GstD3D11PoolAllocatorClass))
#define GST_IS_D3D11_POOL_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_D3D11_POOL_ALLOCATOR))
#define GST_IS_D3D11_POOL_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_D3D11_POOL_ALLOCATOR))
#define GST_D3D11_POOL_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_D3D11_POOL_ALLOCATOR, GstD3D11PoolAllocatorClass))
#define GST_D3D11_POOL_ALLOCATOR_CAST(obj) ((GstD3D11PoolAllocator *)obj)
/**
* GST_D3D11_MEMORY_NAME:
*
* The name of the Direct3D11 memory
*
* Since: 1.20
*/
#define GST_D3D11_MEMORY_NAME "D3D11Memory"
/**
* GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY:
*
* Name of the caps feature for indicating the use of #GstD3D11Memory
*
* Since: 1.20
*/
#define GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY "memory:D3D11Memory"
/**
* GST_MAP_D3D11:
*
* Flag indicating that we should map the D3D11 resource instead of to system memory.
*
* Since: 1.20
*/
#define GST_MAP_D3D11 (GST_MAP_FLAG_LAST << 1)
/**
* GstD3D11AllocationFlags:
* @GST_D3D11_ALLOCATION_FLAG_TEXTURE_ARRAY: Indicates each allocated texture
* should be array type. This type of
* is used for D3D11/DXVA decoders
* in general.
*
* Since: 1.20
*/
typedef enum
{
GST_D3D11_ALLOCATION_FLAG_TEXTURE_ARRAY = (1 << 0),
} GstD3D11AllocationFlags;
/**
* GstD3D11MemoryTransfer:
* @GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD: the texture needs downloading
* to the staging texture memory
* @GST_D3D11_MEMORY_TRANSFER_NEED_UPLOAD: the staging texture needs uploading
* to the texture
*
* Since: 1.20
*/
typedef enum
{
GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD = (GST_MEMORY_FLAG_LAST << 0),
GST_D3D11_MEMORY_TRANSFER_NEED_UPLOAD = (GST_MEMORY_FLAG_LAST << 1)
} GstD3D11MemoryTransfer;
struct _GstD3D11AllocationParams
{
/* Texture description per plane */
D3D11_TEXTURE2D_DESC desc[GST_VIDEO_MAX_PLANES];
GstVideoInfo info;
GstVideoInfo aligned_info;
const GstD3D11Format *d3d11_format;
GstD3D11AllocationFlags flags;
/*< private >*/
gpointer _gst_reserved[GST_PADDING_LARGE];
};
GST_D3D11_API
GType gst_d3d11_allocation_params_get_type (void);
GST_D3D11_API
GstD3D11AllocationParams * gst_d3d11_allocation_params_new (GstD3D11Device * device,
GstVideoInfo * info,
GstD3D11AllocationFlags flags,
guint bind_flags);
GST_D3D11_API
GstD3D11AllocationParams * gst_d3d11_allocation_params_copy (GstD3D11AllocationParams * src);
GST_D3D11_API
void gst_d3d11_allocation_params_free (GstD3D11AllocationParams * params);
GST_D3D11_API
gboolean gst_d3d11_allocation_params_alignment (GstD3D11AllocationParams * parms,
GstVideoAlignment * align);
struct _GstD3D11Memory
{
GstMemory mem;
/*< public >*/
GstD3D11Device *device;
/*< private >*/
GstD3D11MemoryPrivate *priv;
gpointer _gst_reserved[GST_PADDING];
};
GST_D3D11_API
GType gst_d3d11_memory_get_type (void);
GST_D3D11_API
void gst_d3d11_memory_init_once (void);
GST_D3D11_API
gboolean gst_is_d3d11_memory (GstMemory * mem);
GST_D3D11_API
ID3D11Texture2D * gst_d3d11_memory_get_texture_handle (GstD3D11Memory * mem);
GST_D3D11_API
gboolean gst_d3d11_memory_get_texture_desc (GstD3D11Memory * mem,
D3D11_TEXTURE2D_DESC * desc);
GST_D3D11_API
gboolean gst_d3d11_memory_get_texture_stride (GstD3D11Memory * mem,
guint * stride);
GST_D3D11_API
guint gst_d3d11_memory_get_subresource_index (GstD3D11Memory * mem);
GST_D3D11_API
guint gst_d3d11_memory_get_shader_resource_view_size (GstD3D11Memory * mem);
GST_D3D11_API
ID3D11ShaderResourceView * gst_d3d11_memory_get_shader_resource_view (GstD3D11Memory * mem,
guint index);
GST_D3D11_API
guint gst_d3d11_memory_get_render_target_view_size (GstD3D11Memory * mem);
GST_D3D11_API
ID3D11RenderTargetView * gst_d3d11_memory_get_render_target_view (GstD3D11Memory * mem,
guint index);
GST_D3D11_API
ID3D11VideoDecoderOutputView * gst_d3d11_memory_get_decoder_output_view (GstD3D11Memory * mem,
ID3D11VideoDevice * video_device,
GUID * decoder_profile);
GST_D3D11_API
ID3D11VideoProcessorInputView * gst_d3d11_memory_get_processor_input_view (GstD3D11Memory * mem,
ID3D11VideoDevice * video_device,
ID3D11VideoProcessorEnumerator * enumerator);
GST_D3D11_API
ID3D11VideoProcessorOutputView * gst_d3d11_memory_get_processor_output_view (GstD3D11Memory * mem,
ID3D11VideoDevice * video_device,
ID3D11VideoProcessorEnumerator * enumerator);
struct _GstD3D11Allocator
{
GstAllocator allocator;
/*< private >*/
GstD3D11AllocatorPrivate *priv;
gpointer _gst_reserved[GST_PADDING];
};
struct _GstD3D11AllocatorClass
{
GstAllocatorClass allocator_class;
gboolean (*set_actvie) (GstD3D11Allocator * allocator,
gboolean active);
/*< private >*/
gpointer _gst_reserved[GST_PADDING_LARGE];
};
GST_D3D11_API
GType gst_d3d11_allocator_get_type (void);
GST_D3D11_API
GstMemory * gst_d3d11_allocator_alloc (GstD3D11Allocator * allocator,
GstD3D11Device * device,
const D3D11_TEXTURE2D_DESC * desc);
GST_D3D11_API
gboolean gst_d3d11_allocator_set_active (GstD3D11Allocator * allocator,
gboolean active);
struct _GstD3D11PoolAllocator
{
GstD3D11Allocator allocator;
/*< public >*/
GstD3D11Device *device;
/*< private >*/
GstD3D11PoolAllocatorPrivate *priv;
gpointer _gst_reserved[GST_PADDING];
};
struct _GstD3D11PoolAllocatorClass
{
GstD3D11AllocatorClass allocator_class;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
GST_D3D11_API
GType gst_d3d11_pool_allocator_get_type (void);
GST_D3D11_API
GstD3D11PoolAllocator * gst_d3d11_pool_allocator_new (GstD3D11Device * device,
const D3D11_TEXTURE2D_DESC * desc);
GST_D3D11_API
GstFlowReturn gst_d3d11_pool_allocator_acquire_memory (GstD3D11PoolAllocator * allocator,
GstMemory ** memory);
GST_D3D11_API
gboolean gst_d3d11_pool_allocator_get_pool_size (GstD3D11PoolAllocator * allocator,
guint * max_size,
guint * outstanding_size);
G_END_DECLS
#endif /* __GST_D3D11_MEMORY_H__ */
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