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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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ba6800ce23
Adding DirectWrite text rendering elements * dwriteclockoverlay: Equivalent to clockoverlay * dwritetimeoverlay: Equivalent to timeoverlay * dwritetextoverlay: Similar to textoverlay but subtitle is not supported Newly added elements support system memory and d3d11 memory Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4826>
62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
/* GStreamer
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* Copyright (C) 2023 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/d3d11/gstd3d11.h>
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#include "gstdwrite-utils.h"
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gboolean
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gst_dwrite_is_windows_10_or_greater (void)
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{
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static gboolean ret = FALSE;
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GST_DWRITE_CALL_ONCE_BEGIN {
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#if (!GST_D3D11_WINAPI_ONLY_APP)
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OSVERSIONINFOEXW osverinfo;
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typedef NTSTATUS (WINAPI fRtlGetVersion) (PRTL_OSVERSIONINFOEXW);
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fRtlGetVersion *RtlGetVersion = NULL;
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HMODULE hmodule = NULL;
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memset (&osverinfo, 0, sizeof (OSVERSIONINFOEXW));
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osverinfo.dwOSVersionInfoSize = sizeof (OSVERSIONINFOEXW);
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hmodule = LoadLibraryW (L"ntdll.dll");
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if (!hmodule)
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return;
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RtlGetVersion =
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(fRtlGetVersion *) GetProcAddress (hmodule, "RtlGetVersion");
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if (RtlGetVersion) {
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RtlGetVersion (&osverinfo);
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if (osverinfo.dwMajorVersion > 10 || osverinfo.dwMajorVersion == 10)
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ret = TRUE;
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}
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if (hmodule)
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FreeLibrary (hmodule);
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#else
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ret = TRUE;
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#endif
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} GST_DWRITE_CALL_ONCE_END;
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return ret;
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}
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