testspeed -> demo-mp3

Original commit message from CVS:
testspeed -> demo-mp3

2 files changed, 75 insertions, 0 deletions

diff --git a/gst/speed/Makefile.am b/gst/speed/Makefile.am
index 35aed2079..c20b1d20a 100644
--- a/gst/speed/Makefile.am
+++ b/gst/speed/Makefile.am
@@ -6,3 +6,11 @@ libgstspeed_la_SOURCES = gstspeed.c
 libgstspeed_la_CFLAGS = $(GST_CFLAGS)
 
 noinst_HEADERS = gstspeed.h filter.func
+
+if HAVE_GTK
+noinst_PROGRAMS = demo-mp3
+endif
+
+demo_mp3_SOURCES = demo-mp3.c
+demo_mp3_CFLAGS  = $(GST_CFLAGS) $(GTK_CFLAGS)
+demo_mp3_LDFLAGS = $(GST_LIBS) $(GTK_LIBS)
diff --git a/gst/speed/demo-mp3.c b/gst/speed/demo-mp3.c
new file mode 100644
index 000000000..676508111
--- /dev/null
+++ b/gst/speed/demo-mp3.c
@@ -0,0 +1,67 @@
+#include <gtk/gtk.h>
+#include <gst/gst.h>
+
+void set_speed (GtkAdjustment *adj, gpointer data)
+{
+    GstElement *speed = GST_ELEMENT(data);
+    gtk_object_set(GTK_OBJECT(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_elementfactory_make("filesrc", "filesrc");
+    mad = gst_elementfactory_make("mad", "mad");
+    stereo2mono = gst_elementfactory_make("stereo2mono", "stereo2mono");
+    speed = gst_elementfactory_make("speed", "speed");
+    osssink = gst_elementfactory_make("osssink", "osssink");
+    gtk_object_set(GTK_OBJECT(osssink), "fragment", 0x00180008, NULL);
+    
+    gtk_signal_connect(GTK_OBJECT(gtk_range_get_adjustment(GTK_RANGE(hscale))),
+                       "value_changed", set_speed, speed);
+    
+    pipeline = gst_pipeline_new("app");
+    gst_bin_add(GST_BIN(pipeline), filesrc);
+    gst_bin_add(GST_BIN(pipeline), mad);
+    gst_bin_add(GST_BIN(pipeline), stereo2mono);
+    gst_bin_add(GST_BIN(pipeline), speed);
+    gst_bin_add(GST_BIN(pipeline), osssink);
+    gst_element_connect(filesrc, "src", mad, "sink");
+    gst_element_connect(mad, "src", stereo2mono, "sink");
+    gst_element_connect(stereo2mono, "src", speed, "sink");
+    gst_element_connect(speed, "src", osssink, "sink");
+    gtk_object_set(GTK_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();
+}