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#include <glib.h>
#include <gtk/gtk.h>
#include <gst/gst.h>
void play (GtkButton *button, gpointer data)
{
g_signal_emit_by_name(G_OBJECT(data), "play", NULL, NULL);
}
void reset (GtkButton *button, gpointer data)
{
g_signal_emit_by_name(G_OBJECT(data), "reset", NULL, NULL);
}
int main(int argc, char **argv)
{
guint channels;
GtkWidget *window, *vbox, *play_button, *reset_button, *quit_button;
GstElement *src, *mad, *pod, *osssink, *pipeline;
gst_init (&argc, &argv);
gtk_init (&argc, &argv);
if (argc!=2) {
g_print("usage: %s <mp3-filename>\n", argv[0]);
exit(-1);
}
src = gst_elementfactory_make("filesrc", "filesrc");
mad = gst_elementfactory_make("mad", "mad");
pod = gst_elementfactory_make("playondemand", "playondemand");
osssink = gst_elementfactory_make("osssink", "osssink");
g_object_set(G_OBJECT(src), "location", argv[1], NULL);
g_object_set(G_OBJECT(osssink), "fragment", 0x00180008, NULL);
g_object_get(G_OBJECT(osssink), "channels", &channels, NULL);
pipeline = gst_pipeline_new("app");
gst_bin_add(GST_BIN(pipeline), src);
gst_bin_add(GST_BIN(pipeline), mad);
gst_bin_add(GST_BIN(pipeline), pod);
gst_bin_add(GST_BIN(pipeline), osssink);
gst_element_connect(src, "src", mad, "sink");
gst_element_connect(pod, "src", osssink, "sink");
gst_element_connect(mad, "src", pod, "sink");
gst_element_set_state(pipeline, GST_STATE_PLAYING);
/* initialize gui elements ... */
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
vbox = gtk_vbox_new(FALSE, 0);
play_button = gtk_button_new_with_label("play");
reset_button = gtk_button_new_with_label("reset");
quit_button = gtk_button_new_with_label("quit");
/* do the packing stuff ... */
gtk_window_set_default_size(GTK_WINDOW(window), 96, 96);
gtk_container_add(GTK_CONTAINER(window), vbox);
gtk_box_pack_start(GTK_BOX(vbox), play_button, FALSE, FALSE, 2);
gtk_box_pack_start(GTK_BOX(vbox), reset_button, FALSE, FALSE, 2);
gtk_box_pack_start(GTK_BOX(vbox), quit_button, FALSE, FALSE, 2);
/* connect things ... */
g_signal_connect(G_OBJECT(play_button), "clicked", G_CALLBACK(play), pod);
g_signal_connect(G_OBJECT(reset_button), "clicked", G_CALLBACK(reset), pod);
g_signal_connect(G_OBJECT(quit_button), "clicked", gtk_main_quit, NULL);
/* show the gui. */
gtk_widget_show(play_button);
gtk_widget_show(reset_button);
gtk_widget_show(quit_button);
gtk_widget_show(vbox);
gtk_widget_show(window);
gtk_idle_add((GtkFunction)gst_bin_iterate, pipeline);
gtk_main();
return 0;
}
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