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Diffstat (limited to 'gst-libs/gst/gl/x11/xcb_event_source.c')
-rw-r--r--gst-libs/gst/gl/x11/xcb_event_source.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/gst-libs/gst/gl/x11/xcb_event_source.c b/gst-libs/gst/gl/x11/xcb_event_source.c
new file mode 100644
index 000000000..407722394
--- /dev/null
+++ b/gst-libs/gst/gl/x11/xcb_event_source.c
@@ -0,0 +1,103 @@
+/*
+ * 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;
+}