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d43c5b6485
This element uses the Desktop Duplication API to capture the desktop screen at high speed. It supports Windows 8 or later. It has the following features compared to other elements: * Runs faster. * It works in High DPI environment. * Draws an accurate mouse cursor. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/863>
83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
/* GStreamer
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* Copyright (C) 2019 OKADA Jun-ichi <okada@abt.jp>
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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 __DXGICAP_H__
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#define __DXGICAP_H__
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#define COBJMACROS
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#include <d3d11.h>
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#include <dxgi.h>
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#include <dxgi1_2.h>
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#undef COBJMACROS
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#include <gst/gst.h>
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#include <gst/base/gstpushsrc.h>
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#include <gst/video/video.h>
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#define RECT_WIDTH(r) (r.right - r.left)
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#define RECT_HEIGHT(r) (r.bottom - r.top)
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#define HR_FAILED_AND(hr,func,and) \
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G_STMT_START { \
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if (FAILED (hr)) { \
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gchar *msg = get_hresult_to_string (hr); \
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GST_ERROR_OBJECT (src, #func " failed (%x): %s", (guint) hr, msg); \
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g_free (msg); \
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and; \
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} \
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} G_STMT_END
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#define HR_FAILED_RET(hr,func,ret) HR_FAILED_AND(hr,func,return ret)
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#define HR_FAILED_GOTO(hr,func,where) HR_FAILED_AND(hr,func,goto where)
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#define HR_FAILED_INFO(hr, func) \
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G_STMT_START { \
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if (FAILED (hr)) { \
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gchar *msg = get_hresult_to_string (hr); \
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GST_INFO_OBJECT (src, #func " failed (%x): %s", (guint) hr, msg); \
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g_free (msg); \
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} \
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} G_STMT_END
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typedef struct _GstDXGIScreenCapSrc GstDXGIScreenCapSrc;
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typedef struct _DxgiCapture DxgiCapture;
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DxgiCapture *dxgicap_new (HMONITOR monitor, GstDXGIScreenCapSrc * src);
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void dxgicap_destory (DxgiCapture * _this);
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gboolean dxgicap_start (DxgiCapture * _this);
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void dxgicap_stop (DxgiCapture * _this);
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gint dxgicap_acquire_next_frame (DxgiCapture * _this, gboolean show_cursor,
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guint timeout);
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gboolean dxgicap_copy_buffer (DxgiCapture * _this, gboolean show_cursor,
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LPRECT src_rect, GstVideoInfo * video_info, GstBuffer * buf);
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HMONITOR get_hmonitor_by_device_name (const gchar * device_name);
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HMONITOR get_hmonitor_primary (void);
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HMONITOR get_hmonitor_by_index (int index);
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gboolean get_monitor_physical_size (HMONITOR hmonitor, LPRECT rect);
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gchar *get_hresult_to_string (HRESULT hr);
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#endif /* __DXGICAP_H__ */
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