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testspeed -> demo-mp3

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Original commit message from CVS:
testspeed -> demo-mp3
This commit is contained in:
Andy Wingo 2002-01-04 21:41:29 +00:00
parent 8e9338661b
commit 684fe6b617
2 changed files with 75 additions and 0 deletions
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8
gst/speed/Makefile.am
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@ -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)

67
gst/speed/demo-mp3.c Normal file
View file

@ -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();
}