mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-13 21:01:14 +00:00
128 lines
3.3 KiB
C
128 lines
3.3 KiB
C
/* 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);
|
|
|
|
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;
|
|
}
|