gstreamer/tests/examples/gio/giosrc-mounting.c

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/* GStreamer
*
* giosrc-mounting: example application that shows how to handle the
* "not-mounted" message
*
* Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* 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.
*/
#include <gst/gst.h>
#include <gtk/gtk.h>
#include <string.h>
static GstElement *pipeline = NULL;
static void
mount_cb (GObject * obj, GAsyncResult * res, gpointer user_data)
{
gboolean ret;
GError *err = NULL;
ret = g_file_mount_enclosing_volume_finish (G_FILE (obj), res, &err);
if (ret) {
g_print ("mounted successfully\n");
gst_bus_set_flushing ((GstBus *) user_data, FALSE);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
} else {
g_print ("mounting failed: %s\n", err->message);
g_clear_error (&err);
gtk_main_quit ();
}
}
static gboolean
message_handler (GstBus * bus, GstMessage * message, gpointer user_data)
{
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_ELEMENT:{
const GstStructure *s = gst_message_get_structure (message);
const gchar *name = gst_structure_get_name (s);
if (strcmp (name, "not-mounted") == 0) {
GMountOperation *mop = gtk_mount_operation_new (NULL);
GFile *file =
G_FILE (g_value_get_object (gst_structure_get_value (s, "file")));
g_print ("not-mounted\n");
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_bus_set_flushing (bus, TRUE);
g_file_mount_enclosing_volume (file, G_MOUNT_MOUNT_NONE,
mop, NULL, mount_cb, bus);
g_object_unref (mop);
}
break;
}
case GST_MESSAGE_EOS:
g_print ("EOS\n");
gtk_main_quit ();
break;
case GST_MESSAGE_ERROR:{
GError *err = NULL;
gst_message_parse_error (message, &err, NULL);
g_print ("error: %s\n", err->message);
g_clear_error (&err);
gtk_main_quit ();
break;
}
default:
break;
}
return TRUE;
}
int
main (int argc, char *argv[])
{
GstBus *bus;
gint watch_id;
if (argc != 2) {
g_print ("usage: giosrc-mounting URI\n");
return -1;
}
gst_init (NULL, NULL);
gtk_init (NULL, NULL);
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pipeline = gst_element_factory_make ("playbin", NULL);
g_assert (pipeline);
g_object_set (G_OBJECT (pipeline), "uri", argv[1], NULL);
bus = gst_element_get_bus (pipeline);
watch_id = gst_bus_add_watch (bus, message_handler, NULL);
gst_object_unref (bus);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
gtk_main ();
g_source_remove (watch_id);
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
return 0;
}