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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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0f7af4b143
Move d3d11 device, memory, buffer pool and minimal method to gst-libs so that other plugins can access d3d11 resource. Since Direct3D is primary graphics API on Windows, we need this infrastructure for various plugins can share GPU resource without downloading GPU memory. Note that this implementation is public only for -bad scope for now. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/464>
110 lines
4.8 KiB
C
110 lines
4.8 KiB
C
/* GStreamer
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* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
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* Copyright (C) 2020 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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#ifndef __GST_D3D11_PLUGIN_UTILS_H__
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#define __GST_D3D11_PLUGIN_UTILS_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/d3d11/gstd3d11.h>
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G_BEGIN_DECLS
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typedef struct _GstDxgiColorSpace GstDxgiColorSpace;
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typedef enum
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{
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GST_D3D11_DEVICE_VENDOR_UNKNOWN = 0,
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GST_D3D11_DEVICE_VENDOR_AMD,
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GST_D3D11_DEVICE_VENDOR_INTEL,
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GST_D3D11_DEVICE_VENDOR_NVIDIA,
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GST_D3D11_DEVICE_VENDOR_QUALCOMM,
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GST_D3D11_DEVICE_VENDOR_XBOX,
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} GstD3D11DeviceVendor;
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struct _GstDxgiColorSpace
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{
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guint dxgi_color_space_type;
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GstVideoColorRange range;
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GstVideoColorMatrix matrix;
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GstVideoTransferFunction transfer;
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GstVideoColorPrimaries primaries;
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};
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gboolean gst_d3d11_is_windows_8_or_greater (void);
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GstD3D11DeviceVendor gst_d3d11_get_device_vendor (GstD3D11Device * device);
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#if (GST_D3D11_DXGI_HEADER_VERSION >= 5)
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gboolean gst_d3d11_hdr_meta_data_to_dxgi (GstVideoMasteringDisplayInfo * minfo,
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GstVideoContentLightLevel * cll,
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DXGI_HDR_METADATA_HDR10 * dxgi_hdr10);
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#endif
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#if (GST_D3D11_DXGI_HEADER_VERSION >= 4)
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const GstDxgiColorSpace * gst_d3d11_video_info_to_dxgi_color_space (GstVideoInfo * info);
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const GstDxgiColorSpace * gst_d3d11_find_swap_chain_color_space (GstVideoInfo * info,
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IDXGISwapChain3 * swapchain,
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gboolean use_hdr10);
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#endif
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GstBuffer * gst_d3d11_allocate_staging_buffer (GstD3D11Allocator * allocator,
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const GstVideoInfo * info,
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const GstD3D11Format * format,
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const D3D11_TEXTURE2D_DESC desc[GST_VIDEO_MAX_PLANES],
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gboolean add_videometa);
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GstBuffer * gst_d3d11_allocate_staging_buffer_for (GstBuffer * buffer,
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const GstVideoInfo * info,
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gboolean add_videometa);
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gboolean gst_d3d11_buffer_copy_into (GstBuffer * dst,
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GstBuffer * src,
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const GstVideoInfo * info);
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gboolean gst_is_d3d11_buffer (GstBuffer * buffer);
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gboolean gst_d3d11_buffer_can_access_device (GstBuffer * buffer,
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ID3D11Device * device);
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gboolean gst_d3d11_buffer_map (GstBuffer * buffer,
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ID3D11Device * device,
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GstMapInfo info[GST_VIDEO_MAX_PLANES],
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GstMapFlags flags);
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gboolean gst_d3d11_buffer_unmap (GstBuffer * buffer,
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GstMapInfo info[GST_VIDEO_MAX_PLANES]);
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guint gst_d3d11_buffer_get_shader_resource_view (GstBuffer * buffer,
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ID3D11ShaderResourceView * view[GST_VIDEO_MAX_PLANES]);
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guint gst_d3d11_buffer_get_render_target_view (GstBuffer * buffer,
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ID3D11RenderTargetView * view[GST_VIDEO_MAX_PLANES]);
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GstBufferPool * gst_d3d11_buffer_pool_new_with_options (GstD3D11Device * device,
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GstCaps * caps,
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GstD3D11AllocationParams * alloc_params,
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guint min_buffers,
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guint max_buffers);
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G_END_DECLS
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#endif /* __GST_D3D11_PLUGIN_UTILS_H__ */
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