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/*
* GStreamer
* Copyright (C) 2002 Andy Wingo <wingo at pobox dot 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <stdlib.h>
#include <gtk/gtk.h>
#include <gst/gst.h>
void
set_speed (GtkAdjustment * adj, gpointer data)
{
GstElement *speed = GST_ELEMENT (data);
g_object_set (speed, "speed", adj->value, NULL);
}
int
main (int argc, char **argv)
{
GtkWidget *window, *vbox, *hscale, *button;
GstElement *filesrc, *mad, *stereo2mono, *speed, *osssink, *pipeline;
gst_init (&argc, &argv);
gtk_init (&argc, &argv);
if (argc != 2) {
g_print ("usage: %s <your.mp3>\n", argv[0]);
exit (-1);
}
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size (GTK_WINDOW (window), 400, 80);
vbox = gtk_vbox_new (FALSE, 0);
gtk_widget_show (vbox);
hscale = gtk_hscale_new (GTK_ADJUSTMENT (gtk_adjustment_new (1.0, 0.01, 4.0,
0.1, 0.0, 0.0)));
gtk_scale_set_digits (GTK_SCALE (hscale), 2);
gtk_range_set_update_policy (GTK_RANGE (hscale), GTK_UPDATE_CONTINUOUS);
button = gtk_button_new_with_label ("quit");
gtk_container_add (GTK_CONTAINER (window), vbox);
gtk_box_pack_start (GTK_BOX (vbox), hscale, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 2);
gtk_widget_show (hscale);
gtk_signal_connect (GTK_OBJECT (button), "clicked", gtk_main_quit, NULL);
gtk_widget_show (button);
filesrc = gst_element_factory_make ("filesrc", "filesrc");
mad = gst_element_factory_make ("mad", "mad");
stereo2mono = gst_element_factory_make ("stereo2mono", "stereo2mono");
speed = gst_element_factory_make ("speed", "speed");
osssink = gst_element_factory_make ("osssink", "osssink");
g_object_set (osssink, "fragment", 0x00180008, NULL);
gtk_signal_connect (GTK_OBJECT (gtk_range_get_adjustment (GTK_RANGE
(hscale))), "value_changed", G_CALLBACK (set_speed), speed);
pipeline = gst_pipeline_new ("app");
gst_bin_add_many (GST_BIN (pipeline), filesrc, mad, stereo2mono, speed,
osssink, NULL);
gst_element_link_many (filesrc, mad, stereo2mono, speed, osssink, NULL);
g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
gtk_widget_show (window);
gtk_idle_add ((GtkFunction) gst_bin_iterate, pipeline);
gtk_main ();
return 0;
}
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