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222963bd5a
GstD3D11ScreenCapture object is pipeline-independent global object and the object can be shared by multiple src elements, in order to overcome a limitation of DXGI Desktop Duplication API. Note that the API allows only single capture session in a process for a monitor. Therefore GstD3D11ScreenCapture object must be able to handle a case where a src element holds different GstD3D11Device object. Which can happen when GstD3D11Device context is not shared by pipelines. What's changed: * Allocates capture texture with D3D11_RESOURCE_MISC_SHARED for the texture to be able to copied into other device's texture * Holds additional shader objects per src element and use it when drawing mouse Fixes: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/1197 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2378>
71 lines
3.4 KiB
C
71 lines
3.4 KiB
C
/*
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* GStreamer
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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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#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/d3d11/gstd3d11.h>
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G_BEGIN_DECLS
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#define GST_D3D11_SCREEN_CAPTURE_FLOW_EXPECTED_ERROR GST_FLOW_CUSTOM_SUCCESS
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#define GST_D3D11_SCREEN_CAPTURE_FLOW_SIZE_CHANGED GST_FLOW_CUSTOM_SUCCESS_1
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#define GST_D3D11_SCREEN_CAPTURE_FLOW_UNSUPPORTED GST_FLOW_CUSTOM_ERROR
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#define GST_TYPE_D3D11_SCREEN_CAPTURE (gst_d3d11_screen_capture_get_type())
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G_DECLARE_FINAL_TYPE (GstD3D11ScreenCapture, gst_d3d11_screen_capture,
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GST, D3D11_SCREEN_CAPTURE, GstObject);
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GstD3D11ScreenCapture * gst_d3d11_screen_capture_new (GstD3D11Device * device,
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HMONITOR monitor_handle);
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GstFlowReturn gst_d3d11_screen_capture_prepare (GstD3D11ScreenCapture * capture);
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gboolean gst_d3d11_screen_capture_get_size (GstD3D11ScreenCapture * capture,
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guint * width,
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guint * height);
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GstFlowReturn gst_d3d11_screen_capture_do_capture (GstD3D11ScreenCapture * capture,
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GstD3D11Device * device,
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ID3D11Texture2D * texture,
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ID3D11RenderTargetView * rtv,
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ID3D11VertexShader * vs,
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ID3D11PixelShader * ps,
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ID3D11InputLayout * layout,
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ID3D11SamplerState * sampler,
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ID3D11BlendState * blend,
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gboolean draw_mouse);
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HRESULT gst_d3d11_screen_capture_find_output_for_monitor (HMONITOR monitor,
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IDXGIAdapter1 ** adapter,
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IDXGIOutput ** output);
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HRESULT gst_d3d11_screen_capture_find_primary_monitor (HMONITOR * monitor,
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IDXGIAdapter1 ** adapter,
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IDXGIOutput ** output);
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HRESULT gst_d3d11_screen_capture_find_nth_monitor (guint index,
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HMONITOR * monitor,
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IDXGIAdapter1 ** adapter,
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IDXGIOutput ** output);
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G_END_DECLS
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