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886ea15c52
gst_gl_window_win32_send_message_async() could be called before the internal window is created so we cannot use PostMessage there. x11 and wayland backends both create a custom GSource for this, so there is no reason to not do that for win32. https://bugzilla.gnome.org/show_bug.cgi?id=749601
83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
/*
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* GStreamer
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* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
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* Copyright (C) 2015 Collabora ltd.
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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 <stdint.h>
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#include <stdlib.h>
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#include "win32_message_source.h"
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typedef struct _Win32MessageSource
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{
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GSource source;
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GPollFD pfd;
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GstGLWindowWin32 *window;
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} Win32MessageSource;
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static gboolean
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win32_message_source_check (GSource * base)
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{
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MSG msg;
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return PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE);
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}
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static gboolean
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win32_message_source_dispatch (GSource * base, GSourceFunc callback,
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gpointer user_data)
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{
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Win32MessageSource *source = (Win32MessageSource *) base;
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Win32MessageSourceFunc func = (Win32MessageSourceFunc) callback;
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MSG msg;
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if (!PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
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return G_SOURCE_CONTINUE;
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if (func)
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func (source->window, &msg, user_data);
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return G_SOURCE_CONTINUE;
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}
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static GSourceFuncs win32_message_source_funcs = {
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NULL,
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win32_message_source_check,
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win32_message_source_dispatch,
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NULL
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};
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GSource *
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win32_message_source_new (GstGLWindowWin32 * window_win32)
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{
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Win32MessageSource *source;
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source = (Win32MessageSource *)
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g_source_new (&win32_message_source_funcs, sizeof (Win32MessageSource));
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source->window = window_win32;
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source->pfd.fd = G_WIN32_MSG_HANDLE;
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source->pfd.events = G_IO_IN;
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g_source_add_poll (&source->source, &source->pfd);
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return &source->source;
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}
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