gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12frame.h

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/* GStreamer
* Copyright (C) 2024 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.
*/
#pragma once
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/d3d12/gstd3d12_fwd.h>
G_BEGIN_DECLS
typedef struct _GstD3D12FrameFence GstD3D12FrameFence;
/**
* GstD3D12FrameMapFlags:
* @GST_D3D12_FRAME_MAP_FLAG_NONE: No flags
* @GST_D3D12_FRAME_MAP_FLAG_SRV: Frame mapping requires shared resource view
* @GST_D3D12_FRAME_MAP_FLAG_UAV: Frame mapping requires unordered access view
* @GST_D3D12_FRAME_MAP_FLAG_RTV: Frame mapping requires render target view
*
* Since: 1.26
*/
typedef enum
{
GST_D3D12_FRAME_MAP_FLAG_NONE = 0,
GST_D3D12_FRAME_MAP_FLAG_SRV = (1 << 0),
GST_D3D12_FRAME_MAP_FLAG_UAV = (1 << 1),
GST_D3D12_FRAME_MAP_FLAG_RTV = (1 << 2),
} GstD3D12FrameMapFlags;
DEFINE_ENUM_FLAG_OPERATORS (GstD3D12FrameMapFlags);
struct _GstD3D12FrameFence
{
ID3D12Fence *fence;
guint64 fence_value;
};
/**
* GstD3D12Frame:
* @info: the #GstVideoInfo
* @frame_flags: #GstVideoFrameFlags for the frame
* @d3d12_flags: #GstD3D12FrameMapFlags for the frame
* @device: a #GstD3D12Device
* @buffer: the mapped buffer
* @map: mappings of the memory objects
* @data: pointers to the plane data
* @subresource_index: subresource index of the plane
* @plane_rect: plane rectangle
* @fence: external fences
* @srv_desc_handle: shader resource view descriptor handle
* @rtb_desc_handle: render target view descriptor handle
*
* A frame obtained from gst_d3d12_frame_map()
*
* Since: 1.26
*/
struct _GstD3D12Frame
{
GstVideoInfo info;
GstVideoFrameFlags frame_flags;
GstD3D12FrameMapFlags d3d12_flags;
GstD3D12Device *device;
GstBuffer *buffer;
GstMapInfo map[GST_VIDEO_MAX_PLANES];
ID3D12Resource *data[GST_VIDEO_MAX_PLANES];
guint subresource_index[GST_VIDEO_MAX_PLANES];
D3D12_RECT plane_rect[GST_VIDEO_MAX_PLANES];
GstD3D12FrameFence fence[GST_VIDEO_MAX_PLANES];
D3D12_CPU_DESCRIPTOR_HANDLE srv_desc_handle[GST_VIDEO_MAX_PLANES];
D3D12_CPU_DESCRIPTOR_HANDLE uav_desc_handle[GST_VIDEO_MAX_PLANES];
D3D12_CPU_DESCRIPTOR_HANDLE rtv_desc_handle[GST_VIDEO_MAX_PLANES];
/*< private >*/
guint64 _gst_reserved[GST_PADDING_LARGE];
};
GST_D3D12_API
gboolean gst_d3d12_frame_map (GstD3D12Frame * frame,
const GstVideoInfo * info,
GstBuffer * buffer,
GstMapFlags map_flags,
GstD3D12FrameMapFlags d3d12_flags);
GST_D3D12_API
void gst_d3d12_frame_unmap (GstD3D12Frame * frame);
GST_D3D12_API
gboolean gst_d3d12_frame_copy (GstD3D12Frame * dest,
const GstD3D12Frame * src,
guint64 * fence_value);
GST_D3D12_API
gboolean gst_d3d12_frame_copy_plane (GstD3D12Frame * dest,
const GstD3D12Frame * src,
guint plane,
guint64 * fence_value);
GST_D3D12_API
gboolean gst_d3d12_frame_fence_gpu_wait (const GstD3D12Frame * frame,
GstD3D12CommandQueue * queue);
GST_D3D12_API
gboolean gst_d3d12_frame_fence_cpu_wait (const GstD3D12Frame * frame);
G_END_DECLS