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cb670f8110
Adding GstD3D12Frame struct with map, unmap, and copy methods. This new struct is equivalent to GstVideoFrame but gst_d3d12_frame_map() method will extract D3D12 specific resource handles from memory. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6620>
105 lines
3.3 KiB
C
105 lines
3.3 KiB
C
/* GStreamer
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* Copyright (C) 2024 Seungha Yang <seungha@centricular.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 Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/d3d12/gstd3d12_fwd.h>
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G_BEGIN_DECLS
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/**
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* GstD3D12FrameMapFlags:
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* @GST_D3D12_FRAME_MAP_FLAG_NONE: No flags
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* @GST_D3D12_FRAME_MAP_FLAG_SRV: Frame mapping requires shared resource view
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* @GST_D3D12_FRAME_MAP_FLAG_RTV: Frame mapping requires render target view
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*
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* Since: 1.26
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*/
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typedef enum
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{
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GST_D3D12_FRAME_MAP_FLAG_NONE = 0,
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GST_D3D12_FRAME_MAP_FLAG_SRV = (1 << 0),
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GST_D3D12_FRAME_MAP_FLAG_RTV = (1 << 1),
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} GstD3D12FrameMapFlags;
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DEFINE_ENUM_FLAG_OPERATORS (GstD3D12FrameMapFlags);
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/**
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* GstD3D12Frame:
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* @info: the #GstVideoInfo
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* @frame_flags: #GstVideoFrameFlags for the frame
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* @d3d12_flags: #GstD3D12FrameMapFlags for the frame
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* @device: a #GstD3D12Device
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* @buffer: the mapped buffer
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* @map: mappings of the memory objects
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* @data: pointers to the plane data
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* @subresource_index: subresource index of the plane
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* @plane_rect: plane rectangle
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* @srv_desc_handle: shader resource view descriptor handle
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* @rtb_desc_handle: render target view descriptor handle
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*
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* A frame obtained from gst_d3d12_frame_map()
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*
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* Since: 1.26
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*/
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struct _GstD3D12Frame
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{
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GstVideoInfo info;
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GstVideoFrameFlags frame_flags;
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GstD3D12FrameMapFlags d3d12_flags;
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GstD3D12Device *device;
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GstBuffer *buffer;
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GstMapInfo map[GST_VIDEO_MAX_PLANES];
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ID3D12Resource *data[GST_VIDEO_MAX_PLANES];
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guint subresource_index[GST_VIDEO_MAX_PLANES];
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D3D12_RECT plane_rect[GST_VIDEO_MAX_PLANES];
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D3D12_CPU_DESCRIPTOR_HANDLE srv_desc_handle[GST_VIDEO_MAX_PLANES];
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D3D12_CPU_DESCRIPTOR_HANDLE rtv_desc_handle[GST_VIDEO_MAX_PLANES];
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/*< private >*/
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guint64 _gst_reserved[GST_PADDING_LARGE];
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};
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GST_D3D12_API
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gboolean gst_d3d12_frame_map (GstD3D12Frame * frame,
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const GstVideoInfo * info,
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GstBuffer * buffer,
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GstMapFlags map_flags,
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GstD3D12FrameMapFlags d3d12_flags);
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GST_D3D12_API
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void gst_d3d12_frame_unmap (GstD3D12Frame * frame);
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GST_D3D12_API
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gboolean gst_d3d12_frame_copy (GstD3D12Frame * dest,
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const GstD3D12Frame * src,
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guint64 * fence_value);
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GST_D3D12_API
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gboolean gst_d3d12_frame_copy_plane (GstD3D12Frame * dest,
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const GstD3D12Frame * src,
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guint plane,
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guint64 * fence_value);
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G_END_DECLS
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