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Diffstat (limited to 'gst/playondemand/demo-mp3.c')
-rw-r--r--gst/playondemand/demo-mp3.c169
1 files changed, 89 insertions, 80 deletions
diff --git a/gst/playondemand/demo-mp3.c b/gst/playondemand/demo-mp3.c
index 6e404a15..907f7379 100644
--- a/gst/playondemand/demo-mp3.c
+++ b/gst/playondemand/demo-mp3.c
@@ -16,81 +16,84 @@ GstClock *element_clock;
guint32 *beats;
void
-played (GstElement *pod, gpointer data)
+played (GstElement * pod, gpointer data)
{
gint i;
- g_print("Played beat at %02u, beats are ",
- (guint) (gst_clock_get_time(element_clock) / GST_SECOND *
- (GTK_ADJUSTMENT(speed_adj))->value) % NUM_BEATS);
+ g_print ("Played beat at %02u, beats are ",
+ (guint) (gst_clock_get_time (element_clock) / GST_SECOND *
+ (GTK_ADJUSTMENT (speed_adj))->value) % NUM_BEATS);
- for (i = 0; i <= NUM_BEATS / 32; i++) g_print ("%08x ", beats[i]);
+ for (i = 0; i <= NUM_BEATS / 32; i++)
+ g_print ("%08x ", beats[i]);
- g_print("\n");
+ g_print ("\n");
}
void
-play (GtkButton *button, gpointer data)
+play (GtkButton * button, gpointer data)
{
- g_signal_emit_by_name(G_OBJECT(pod), "play", NULL, NULL);
+ g_signal_emit_by_name (G_OBJECT (pod), "play", NULL, NULL);
}
void
-clear (GtkButton *button, gpointer data)
+clear (GtkButton * button, gpointer data)
{
- g_signal_emit_by_name(G_OBJECT(pod), "clear", NULL, NULL);
+ g_signal_emit_by_name (G_OBJECT (pod), "clear", NULL, NULL);
}
void
-reset (GtkButton *button, gpointer data)
+reset (GtkButton * button, gpointer data)
{
guint i;
- g_signal_emit_by_name(G_OBJECT(pod), "reset", NULL, NULL);
+
+ g_signal_emit_by_name (G_OBJECT (pod), "reset", NULL, NULL);
for (i = 0; i < NUM_BEATS; i++)
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(beat_button[i]), 0);
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (beat_button[i]), 0);
}
void
-beat (GtkToggleButton *button, gpointer data)
+beat (GtkToggleButton * button, gpointer data)
{
- guint b = GPOINTER_TO_UINT(data);
+ guint b = GPOINTER_TO_UINT (data);
- if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button)))
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)))
beats[b / 32] |= 1 << (b % 32);
else
- beats[b / 32] &= ~ (1 << (b % 32));
+ beats[b / 32] &= ~(1 << (b % 32));
}
void
-speed (GtkAdjustment *adjustment, gpointer data)
+speed (GtkAdjustment * adjustment, gpointer data)
{
- /*g_signal_stop_emission_by_name(G_OBJECT(pod), "deep-notify");*/
- g_object_set(G_OBJECT(pod), "tick-rate", TICK_RATE(adjustment->value), NULL);
- /*gst_clock_set_speed(element_clock, adjustment->value);*/
+ /*g_signal_stop_emission_by_name(G_OBJECT(pod), "deep-notify"); */
+ g_object_set (G_OBJECT (pod), "tick-rate", TICK_RATE (adjustment->value),
+ NULL);
+ /*gst_clock_set_speed(element_clock, adjustment->value); */
}
void
-setup_pipeline (gchar *filename)
+setup_pipeline (gchar * filename)
{
- src = gst_element_factory_make("filesrc", "source");
- dec = gst_element_factory_make("vorbisfile", "decoder");
- pod = gst_element_factory_make("playondemand", "sequencer");
- sink = gst_element_factory_make("alsasink", "sink");
+ src = gst_element_factory_make ("filesrc", "source");
+ dec = gst_element_factory_make ("vorbisfile", "decoder");
+ pod = gst_element_factory_make ("playondemand", "sequencer");
+ sink = gst_element_factory_make ("alsasink", "sink");
- g_object_set(G_OBJECT (src), "location", filename, NULL);
- g_object_set(G_OBJECT (sink), "period-count", 64, "period-size", 512, NULL);
- g_object_set(G_OBJECT (pod), "total-ticks", NUM_BEATS,
- "tick-rate", 1.0e-6, "max-plays", NUM_BEATS * 2, NULL);
+ g_object_set (G_OBJECT (src), "location", filename, NULL);
+ g_object_set (G_OBJECT (sink), "period-count", 64, "period-size", 512, NULL);
+ g_object_set (G_OBJECT (pod), "total-ticks", NUM_BEATS,
+ "tick-rate", 1.0e-6, "max-plays", NUM_BEATS * 2, NULL);
- g_object_get(G_OBJECT (pod), "ticks", &beats, NULL);
+ g_object_get (G_OBJECT (pod), "ticks", &beats, NULL);
- pipeline = gst_pipeline_new("app");
+ pipeline = gst_pipeline_new ("app");
- gst_bin_add_many(GST_BIN (pipeline), src, dec, pod, sink, NULL);
- gst_element_link_many(src, dec, pod, sink, NULL);
+ gst_bin_add_many (GST_BIN (pipeline), src, dec, pod, sink, NULL);
+ gst_element_link_many (src, dec, pod, sink, NULL);
- element_clock = gst_element_get_clock(GST_ELEMENT (sink));
- gst_element_set_clock(GST_ELEMENT (pod), element_clock);
+ element_clock = gst_element_get_clock (GST_ELEMENT (sink));
+ gst_element_set_clock (GST_ELEMENT (pod), element_clock);
}
void
@@ -98,78 +101,84 @@ setup_gui (void)
{
guint i;
- beat_button = g_new(GtkWidget *, NUM_BEATS);
+ beat_button = g_new (GtkWidget *, NUM_BEATS);
/* initialize gui elements ... */
- window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- gtk_container_set_border_width(GTK_CONTAINER(window), 12);
+ window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ gtk_container_set_border_width (GTK_CONTAINER (window), 12);
- vbox = gtk_vbox_new(TRUE, 0);
- gtk_box_set_spacing(GTK_BOX(vbox), 12);
+ vbox = gtk_vbox_new (TRUE, 0);
+ gtk_box_set_spacing (GTK_BOX (vbox), 12);
- beat_box = gtk_hbox_new(TRUE, 0);
- button_box = gtk_hbox_new(TRUE, 0);
+ beat_box = gtk_hbox_new (TRUE, 0);
+ button_box = gtk_hbox_new (TRUE, 0);
- play_button = gtk_button_new_with_label("Play");
- clear_button = gtk_button_new_with_label("Reset Sound");
- reset_button = gtk_button_new_with_label("Reset All");
- quit_button = gtk_button_new_with_label("Quit");
+ play_button = gtk_button_new_with_label ("Play");
+ clear_button = gtk_button_new_with_label ("Reset Sound");
+ reset_button = gtk_button_new_with_label ("Reset All");
+ quit_button = gtk_button_new_with_label ("Quit");
for (i = 0; i < NUM_BEATS; i++)
- beat_button[i] = gtk_toggle_button_new_with_label(g_strdup_printf("%2d", i+1));
+ beat_button[i] =
+ gtk_toggle_button_new_with_label (g_strdup_printf ("%2d", i + 1));
- speed_adj = gtk_adjustment_new(1, 0.0, 10.0, 0.1, 1.0, 0.0);
- speed_scale = gtk_hscale_new(GTK_ADJUSTMENT(speed_adj));
- gtk_scale_set_digits(GTK_SCALE(speed_scale), 4);
- gtk_range_set_update_policy(GTK_RANGE(speed_scale), GTK_UPDATE_DISCONTINUOUS);
+ speed_adj = gtk_adjustment_new (1, 0.0, 10.0, 0.1, 1.0, 0.0);
+ speed_scale = gtk_hscale_new (GTK_ADJUSTMENT (speed_adj));
+ gtk_scale_set_digits (GTK_SCALE (speed_scale), 4);
+ gtk_range_set_update_policy (GTK_RANGE (speed_scale),
+ GTK_UPDATE_DISCONTINUOUS);
/* do the packing stuff ... */
- gtk_window_set_default_size(GTK_WINDOW(window), 96, 96);
- gtk_container_add(GTK_CONTAINER(window), vbox);
+ gtk_window_set_default_size (GTK_WINDOW (window), 96, 96);
+ gtk_container_add (GTK_CONTAINER (window), vbox);
- gtk_box_pack_start(GTK_BOX(button_box), play_button, TRUE, TRUE, 2);
- gtk_box_pack_start(GTK_BOX(button_box), clear_button, TRUE, TRUE, 2);
- gtk_box_pack_start(GTK_BOX(button_box), reset_button, TRUE, TRUE, 2);
- gtk_box_pack_start(GTK_BOX(button_box), quit_button, TRUE, TRUE, 2);
+ gtk_box_pack_start (GTK_BOX (button_box), play_button, TRUE, TRUE, 2);
+ gtk_box_pack_start (GTK_BOX (button_box), clear_button, TRUE, TRUE, 2);
+ gtk_box_pack_start (GTK_BOX (button_box), reset_button, TRUE, TRUE, 2);
+ gtk_box_pack_start (GTK_BOX (button_box), quit_button, TRUE, TRUE, 2);
for (i = 0; i < NUM_BEATS; i++)
- gtk_box_pack_start(GTK_BOX(beat_box), beat_button[i], TRUE, TRUE, 2);
+ gtk_box_pack_start (GTK_BOX (beat_box), beat_button[i], TRUE, TRUE, 2);
- gtk_box_pack_start(GTK_BOX(vbox), button_box, TRUE, FALSE, 2);
- gtk_box_pack_start(GTK_BOX(vbox), beat_box, TRUE, FALSE, 2);
- gtk_box_pack_start(GTK_BOX(vbox), speed_scale, TRUE, FALSE, 2);
+ gtk_box_pack_start (GTK_BOX (vbox), button_box, TRUE, FALSE, 2);
+ gtk_box_pack_start (GTK_BOX (vbox), beat_box, TRUE, FALSE, 2);
+ gtk_box_pack_start (GTK_BOX (vbox), speed_scale, TRUE, FALSE, 2);
/* connect things ... */
- g_signal_connect(G_OBJECT(play_button), "clicked", G_CALLBACK(play), NULL);
- g_signal_connect(G_OBJECT(clear_button), "clicked", G_CALLBACK(clear), NULL);
- g_signal_connect(G_OBJECT(reset_button), "clicked", G_CALLBACK(reset), NULL);
- g_signal_connect(G_OBJECT(quit_button), "clicked", gtk_main_quit, NULL);
- g_signal_connect(G_OBJECT(pod), "played", G_CALLBACK(played), NULL);
- g_signal_connect(G_OBJECT(speed_adj), "value_changed", G_CALLBACK(speed), NULL);
+ g_signal_connect (G_OBJECT (play_button), "clicked", G_CALLBACK (play), NULL);
+ g_signal_connect (G_OBJECT (clear_button), "clicked", G_CALLBACK (clear),
+ NULL);
+ g_signal_connect (G_OBJECT (reset_button), "clicked", G_CALLBACK (reset),
+ NULL);
+ g_signal_connect (G_OBJECT (quit_button), "clicked", gtk_main_quit, NULL);
+ g_signal_connect (G_OBJECT (pod), "played", G_CALLBACK (played), NULL);
+ g_signal_connect (G_OBJECT (speed_adj), "value_changed", G_CALLBACK (speed),
+ NULL);
for (i = 0; i < NUM_BEATS; i++)
- g_signal_connect(G_OBJECT(beat_button[i]), "toggled", G_CALLBACK(beat), GUINT_TO_POINTER(i));
+ g_signal_connect (G_OBJECT (beat_button[i]), "toggled", G_CALLBACK (beat),
+ GUINT_TO_POINTER (i));
/* show the gui. */
- gtk_widget_show_all(window);
+ gtk_widget_show_all (window);
- gtk_idle_add((GtkFunction)gst_bin_iterate, pipeline);
+ gtk_idle_add ((GtkFunction) gst_bin_iterate, pipeline);
}
int
-main(int argc, char **argv)
+main (int argc, char **argv)
{
gst_init (&argc, &argv);
gtk_init (&argc, &argv);
- if (argc!=2) {
- g_print("usage: %s <mp3-filename>\n", argv[0]);
- exit(-1);
+ if (argc != 2) {
+ g_print ("usage: %s <mp3-filename>\n", argv[0]);
+ exit (-1);
}
- setup_pipeline(argv[1]);
- gst_element_set_state(pipeline, GST_STATE_PLAYING);
- setup_gui();
- gtk_main();
- g_free(beat_button);
+ setup_pipeline (argv[1]);
+ gst_element_set_state (pipeline, GST_STATE_PLAYING);
+ setup_gui ();
+ gtk_main ();
+ g_free (beat_button);
return 0;
}