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105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
/*
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* GStreamer
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* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.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 <stdint.h>
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#include <stdlib.h>
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#include "xcb_event_source.h"
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#include "gstgldisplay_x11.h"
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#include "gstglwindow_x11.h"
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G_GNUC_INTERNAL
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extern gboolean gst_gl_display_x11_handle_event (GstGLDisplayX11 *
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display_x11);
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typedef struct _XCBEventSource
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{
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GSource source;
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GPollFD pfd;
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uint32_t mask;
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GstGLDisplayX11 *display_x11;
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} XCBEventSource;
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static gboolean
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xcb_event_source_prepare (GSource * base, gint * timeout)
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{
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XCBEventSource *source = (XCBEventSource *) base;
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xcb_flush (source->display_x11->xcb_connection);
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*timeout = -1;
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return FALSE;
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}
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static gboolean
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xcb_event_source_check (GSource * base)
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{
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XCBEventSource *source = (XCBEventSource *) base;
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gboolean retval;
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retval = source->pfd.revents;
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return retval;
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}
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static gboolean
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xcb_event_source_dispatch (GSource * base, GSourceFunc callback, gpointer data)
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{
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XCBEventSource *source = (XCBEventSource *) base;
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gboolean ret = gst_gl_display_x11_handle_event (source->display_x11);
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source->pfd.revents = 0;
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if (callback)
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callback (data);
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return ret;
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}
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static GSourceFuncs xcb_event_source_funcs = {
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xcb_event_source_prepare,
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xcb_event_source_check,
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xcb_event_source_dispatch,
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NULL
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};
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GSource *
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xcb_event_source_new (GstGLDisplayX11 * display_x11)
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{
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xcb_connection_t *connection;
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XCBEventSource *source;
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connection = display_x11->xcb_connection;
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g_return_val_if_fail (connection != NULL, NULL);
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source = (XCBEventSource *)
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g_source_new (&xcb_event_source_funcs, sizeof (XCBEventSource));
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source->display_x11 = display_x11;
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source->pfd.fd = xcb_get_file_descriptor (connection);
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source->pfd.events = G_IO_IN | G_IO_ERR;
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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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