gstreamer/subprojects/gst-plugins-bad/sys/d3d12/gstd3d12screencapture.h
Seungha Yang 4db7eb0290 d3d12screencapturesrc: Add support for WGC API
Adding support for window and monitor capturing by using
Windows Graphics Capture API.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6256>
2024-03-08 01:05:24 +09:00

99 lines
4 KiB
C

/* 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 "gstd3d12.h"
G_BEGIN_DECLS
#define GST_TYPE_D3D12_SCREEN_CAPTURE (gst_d3d12_screen_capture_get_type())
#define GST_D3D12_SCREEN_CAPTURE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_D3D12_SCREEN_CAPTURE,GstD3D12ScreenCapture))
#define GST_D3D12_SCREEN_CAPTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_D3D12_SCREEN_CAPTURE,GstD3D12ScreenCaptureClass))
#define GST_D3D12_SCREEN_CAPTURE_GET_CLASS(obj) (GST_D3D12_SCREEN_CAPTURE_CLASS(G_OBJECT_GET_CLASS(obj)))
#define GST_IS_D3D12_SCREEN_CAPTURE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_D3D12_SCREEN_CAPTURE))
#define GST_IS_D3D12_SCREEN_CAPTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_D3D12_SCREEN_CAPTURE))
#define GST_D3D12_SCREEN_CAPTURE_CAST(obj) ((GstD3D12ScreenCapture*)(obj))
typedef struct _GstD3D12ScreenCapture GstD3D12ScreenCapture;
typedef struct _GstD3D12ScreenCaptureClass GstD3D12ScreenCaptureClass;
#define GST_D3D12_SCREEN_CAPTURE_FLOW_EXPECTED_ERROR GST_FLOW_CUSTOM_SUCCESS
#define GST_D3D12_SCREEN_CAPTURE_FLOW_SIZE_CHANGED GST_FLOW_CUSTOM_SUCCESS_1
#define GST_D3D12_SCREEN_CAPTURE_FLOW_UNSUPPORTED GST_FLOW_CUSTOM_ERROR
struct CaptureCropRect
{
guint crop_x;
guint crop_y;
guint crop_w;
guint crop_h;
};
struct _GstD3D12ScreenCapture
{
GstObject parent;
};
struct _GstD3D12ScreenCaptureClass
{
GstObjectClass parent_class;
GstFlowReturn (*prepare) (GstD3D12ScreenCapture * capture);
gboolean (*get_size) (GstD3D12ScreenCapture * capture,
guint * width,
guint * height);
gboolean (*unlock) (GstD3D12ScreenCapture * capture);
gboolean (*unlock_stop) (GstD3D12ScreenCapture * capture);
};
GType gst_d3d12_screen_capture_get_type (void);
GstFlowReturn gst_d3d12_screen_capture_prepare (GstD3D12ScreenCapture * capture);
gboolean gst_d3d12_screen_capture_get_size (GstD3D12ScreenCapture * capture,
guint * width,
guint * height);
gboolean gst_d3d12_screen_capture_unlock (GstD3D12ScreenCapture * capture);
gboolean gst_d3d12_screen_capture_unlock_stop (GstD3D12ScreenCapture * capture);
HRESULT gst_d3d12_screen_capture_find_output_for_monitor (HMONITOR monitor,
IDXGIAdapter1 ** adapter,
IDXGIOutput ** output);
HRESULT gst_d3d12_screen_capture_find_primary_monitor (HMONITOR * monitor,
IDXGIAdapter1 ** adapter,
IDXGIOutput ** output);
HRESULT gst_d3d12_screen_capture_find_nth_monitor (guint index,
HMONITOR * monitor,
IDXGIAdapter1 ** adapter,
IDXGIOutput ** output);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstD3D12ScreenCapture, gst_object_unref)
G_END_DECLS