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