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d3d11screencapture: Subclassing capture implementation

Browse source 
Preparation to use WinRT capture API

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3144>
This commit is contained in:
Seungha Yang 2022-10-06 23:54:14 +09:00 committed by GStreamer Marge Bot
parent dcd3f210a0
commit 087e335006
6 changed files with 2092 additions and 1880 deletions
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1983
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11dxgicapture.cpp Normal file
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38
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11dxgicapture.h Normal file
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@ -0,0 +1,38 @@
/*
* GStreamer
* 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.
*/
#pragma once
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/d3d11/gstd3d11.h>
#include "gstd3d11screencapture.h"
G_BEGIN_DECLS
#define GST_TYPE_D3D11_DXGI_CAPTURE (gst_d3d11_dxgi_capture_get_type())
G_DECLARE_FINAL_TYPE (GstD3D11DxgiCapture, gst_d3d11_dxgi_capture,
GST, D3D11_DXGI_CAPTURE, GstD3D11ScreenCapture);
GstD3D11ScreenCapture * gst_d3d11_dxgi_capture_new (GstD3D11Device * device,
HMONITOR monitor_handle);
G_END_DECLS

1889
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11screencapture.cpp
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51
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11screencapture.h
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@ -1,6 +1,6 @@
/*
* GStreamer
* Copyright (C) 2020 Seungha Yang <seungha@centricular.com>
* Copyright (C) 2022 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
@ -26,16 +26,53 @@
G_BEGIN_DECLS
#define GST_TYPE_D3D11_SCREEN_CAPTURE (gst_d3d11_screen_capture_get_type())
#define GST_D3D11_SCREEN_CAPTURE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_D3D11_SCREEN_CAPTURE,GstD3D11ScreenCapture))
#define GST_D3D11_SCREEN_CAPTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_D3D11_SCREEN_CAPTURE,GstD3D11ScreenCaptureClass))
#define GST_D3D11_SCREEN_CAPTURE_GET_CLASS(obj) (GST_D3D11_SCREEN_CAPTURE_CLASS(G_OBJECT_GET_CLASS(obj)))
#define GST_IS_D3D11_SCREEN_CAPTURE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_D3D11_SCREEN_CAPTURE))
#define GST_IS_D3D11_SCREEN_CAPTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_D3D11_SCREEN_CAPTURE))
#define GST_D3D11_SCREEN_CAPTURE_CAST(obj) ((GstD3D11ScreenCapture*)(obj))
typedef struct _GstD3D11ScreenCapture GstD3D11ScreenCapture;
typedef struct _GstD3D11ScreenCaptureClass GstD3D11ScreenCaptureClass;
#define GST_D3D11_SCREEN_CAPTURE_FLOW_EXPECTED_ERROR GST_FLOW_CUSTOM_SUCCESS
#define GST_D3D11_SCREEN_CAPTURE_FLOW_SIZE_CHANGED GST_FLOW_CUSTOM_SUCCESS_1
#define GST_D3D11_SCREEN_CAPTURE_FLOW_UNSUPPORTED GST_FLOW_CUSTOM_ERROR
#define GST_TYPE_D3D11_SCREEN_CAPTURE (gst_d3d11_screen_capture_get_type())
G_DECLARE_FINAL_TYPE (GstD3D11ScreenCapture, gst_d3d11_screen_capture,
GST, D3D11_SCREEN_CAPTURE, GstObject);
struct _GstD3D11ScreenCapture
{
GstObject parent;
};
GstD3D11ScreenCapture * gst_d3d11_screen_capture_new (GstD3D11Device * device,
HMONITOR monitor_handle);
struct _GstD3D11ScreenCaptureClass
{
GstObjectClass parent_class;
GstFlowReturn (*prepare) (GstD3D11ScreenCapture * capture);
gboolean (*get_size) (GstD3D11ScreenCapture * capture,
guint * width,
guint * height);
gboolean (*get_colorimetry) (GstD3D11ScreenCapture * capture,
GstVideoColorimetry * colorimetry);
GstFlowReturn (*do_capture) (GstD3D11ScreenCapture * capture,
GstD3D11Device * device,
ID3D11Texture2D * texture,
ID3D11RenderTargetView * rtv,
ID3D11VertexShader * vs,
ID3D11PixelShader * ps,
ID3D11InputLayout * layout,
ID3D11SamplerState * sampler,
ID3D11BlendState * blend,
D3D11_BOX * crop_box,
gboolean draw_mouse);
};
GType gst_d3d11_screen_capture_get_type (void);
GstFlowReturn gst_d3d11_screen_capture_prepare (GstD3D11ScreenCapture * capture);
@ -71,5 +108,7 @@ HRESULT gst_d3d11_screen_capture_find_nth_monitor (guint index,
IDXGIAdapter1 ** adapter,
IDXGIOutput ** output);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstD3D11ScreenCapture, gst_object_unref)
G_END_DECLS

4
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11screencapturesrc.cpp
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@ -37,7 +37,7 @@
#endif
#include "gstd3d11screencapturesrc.h"
#include "gstd3d11screencapture.h"
#include "gstd3d11dxgicapture.h"
#include "gstd3d11pluginutils.h"
#include <wrl.h>
#include <string.h>
@ -759,7 +759,7 @@ gst_d3d11_screen_capture_src_start (GstBaseSrc * bsrc)
return FALSE;
}
self->capture = gst_d3d11_screen_capture_new (self->device, monitor);
self->capture = gst_d3d11_dxgi_capture_new (self->device, monitor);
if (!self->capture)
goto error;

7
subprojects/gst-plugins-bad/sys/d3d11/meson.build
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@ -56,10 +56,11 @@ if d3d11_winapi_app
endif
if d3d11_winapi_desktop
d3d11_sources += ['gstd3d11window_win32.cpp']
d3d11_sources += ['gstd3d11screencapture.cpp',
d3d11_sources += ['gstd3d11dxgicapture.cpp',
'gstd3d11screencapture.cpp',
'gstd3d11screencapturedevice.cpp',
'gstd3d11screencapturesrc.cpp']
'gstd3d11screencapturesrc.cpp',
'gstd3d11window_win32.cpp']
# multimedia clock is desktop only API
if winmm_lib.found() and cc.has_header('mmsystem.h')