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-rw-r--r--gst/playondemand/demo-mp3.c139
1 files changed, 87 insertions, 52 deletions
diff --git a/gst/playondemand/demo-mp3.c b/gst/playondemand/demo-mp3.c
index 11fdd6c8..1c23805b 100644
--- a/gst/playondemand/demo-mp3.c
+++ b/gst/playondemand/demo-mp3.c
@@ -3,14 +3,25 @@
#include <gtk/gtk.h>
#include <gst/gst.h>
-#include "gstplayondemand.h"
-
-guint channels;
-GtkWidget *window, *vbox, *play_button, *reset_button, *quit_button;
-GtkWidget *hbox, *measure1_button, *measure2_button, *measure3_button, \
- *measure4_button, *measure5_button, *measure6_button, *speed_scale;
+#define NUM_BEATS 16
+#define SPEED 1e-9
+
+GtkWidget *window, *vbox, *beat_box, *button_box;
+GtkWidget *play_button, *clear_button, *reset_button, *quit_button;
+GtkWidget **beat_button;
+GtkWidget *speed_scale;
+GtkObject *speed_adj;
GstElement *src, *mad, *pod, *osssink, *pipeline;
GstClock *element_clock;
+GSList *beats;
+
+void
+played (GstElement *pod, gpointer data)
+{
+ g_print("Played beat at %u\n",
+ ((guint) (gst_clock_get_time(element_clock) *
+ (GTK_ADJUSTMENT(speed_adj))->value * SPEED)) % NUM_BEATS);
+}
void
play (GtkButton *button, gpointer data)
@@ -19,22 +30,35 @@ play (GtkButton *button, gpointer data)
}
void
+clear (GtkButton *button, gpointer data)
+{
+ g_signal_emit_by_name(G_OBJECT(pod), "clear", NULL, NULL);
+}
+
+void
reset (GtkButton *button, gpointer data)
{
+ guint i;
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);
}
void
-measure (GtkToggleButton *button, gpointer data)
+beat (GtkToggleButton *button, gpointer data)
{
- gst_play_on_demand_toggle_beat(GST_PLAYONDEMAND(pod),
- GPOINTER_TO_UINT(data), 0);
+ if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button)))
+ beats = g_slist_append(beats, data);
+ else
+ beats = g_slist_remove(beats, data);
+ g_object_set(G_OBJECT(pod), "tick-list", beats, NULL);
}
void
-speed (GtkAdjustment *scale, gpointer data)
+speed (GtkAdjustment *adjustment, gpointer data)
{
- gst_clock_set_speed(element_clock, gtk_adjustment_get_value(scale));
+ g_object_set(G_OBJECT(pod), "clock-speed", adjustment->value * SPEED, NULL);
+ /*gst_clock_set_speed(element_clock, adjustment->value * SPEED);*/
}
void
@@ -46,9 +70,9 @@ setup_pipeline (gchar *filename)
osssink = gst_element_factory_make("osssink", "osssink");
g_object_set(G_OBJECT(src), "location", filename, NULL);
- g_object_set(G_OBJECT(pod), "silent", FALSE, NULL);
g_object_set(G_OBJECT(osssink), "fragment", 0x00180008, NULL);
- g_object_get(G_OBJECT(osssink), "channels", &channels, NULL);
+ g_object_set(G_OBJECT(pod), "total-ticks", NUM_BEATS,
+ "clock-speed", SPEED, NULL);
pipeline = gst_pipeline_new("app");
@@ -57,69 +81,79 @@ setup_pipeline (gchar *filename)
element_clock = gst_bin_get_clock(GST_BIN(pipeline));
gst_element_set_clock(GST_ELEMENT(pod), element_clock);
- /* gst_clock_set_speed(element_clock, 0.00001); */
}
void
setup_gui (void)
{
+ guint i;
+
+ 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);
+
vbox = gtk_vbox_new(TRUE, 0);
- hbox = gtk_hbox_new(TRUE, 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");
- measure1_button = gtk_toggle_button_new_with_label("one");
- measure2_button = gtk_toggle_button_new_with_label("two");
- measure3_button = gtk_toggle_button_new_with_label("three");
- measure4_button = gtk_toggle_button_new_with_label("four");
- measure5_button = gtk_toggle_button_new_with_label("five");
- measure6_button = gtk_toggle_button_new_with_label("six");
- speed_scale = gtk_hscale_new_with_range(0.0, 0.001, 0.000001);
- /* gtk_adjustment_set_value(GTK_ADJUSTMENT(speed_scale), 0.00001); */
+ gtk_box_set_spacing(GTK_BOX(vbox), 12);
+
+ 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");
+
+ for (i = 0; i < NUM_BEATS; i++)
+ beat_button[i] = gtk_toggle_button_new_with_label(g_strdup_printf("%2d", i));
+
+ speed_adj = gtk_adjustment_new(1, 0.0, 2, 0.01, 0.1, 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_box_pack_start(GTK_BOX(vbox), play_button, TRUE, FALSE, 2);
- gtk_box_pack_start(GTK_BOX(vbox), reset_button, TRUE, FALSE, 2);
- gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, FALSE, 2);
- gtk_box_pack_start(GTK_BOX(hbox), measure1_button, TRUE, TRUE, 2);
- gtk_box_pack_start(GTK_BOX(hbox), measure2_button, TRUE, TRUE, 2);
- gtk_box_pack_start(GTK_BOX(hbox), measure3_button, TRUE, TRUE, 2);
- gtk_box_pack_start(GTK_BOX(hbox), measure4_button, TRUE, TRUE, 2);
- gtk_box_pack_start(GTK_BOX(hbox), measure5_button, TRUE, TRUE, 2);
- gtk_box_pack_start(GTK_BOX(hbox), measure6_button, TRUE, TRUE, 2);
- /*gtk_box_pack_start(GTK_BOX(vbox), speed_scale, TRUE, FALSE, 2);*/
- gtk_box_pack_start(GTK_BOX(vbox), quit_button, TRUE, FALSE, 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(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(measure1_button), "toggled", G_CALLBACK(measure), GUINT_TO_POINTER(0));
- g_signal_connect(G_OBJECT(measure2_button), "toggled", G_CALLBACK(measure), GUINT_TO_POINTER(1));
- g_signal_connect(G_OBJECT(measure3_button), "toggled", G_CALLBACK(measure), GUINT_TO_POINTER(2));
- g_signal_connect(G_OBJECT(measure4_button), "toggled", G_CALLBACK(measure), GUINT_TO_POINTER(3));
- g_signal_connect(G_OBJECT(measure5_button), "toggled", G_CALLBACK(measure), GUINT_TO_POINTER(4));
- g_signal_connect(G_OBJECT(measure6_button), "toggled", G_CALLBACK(measure), GUINT_TO_POINTER(5));
- /*g_signal_connect(G_OBJECT(speed_scale), "value-changed", G_CALLBACK(speed), 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));
/* show the gui. */
gtk_widget_show(play_button);
+ gtk_widget_show(clear_button);
gtk_widget_show(reset_button);
gtk_widget_show(quit_button);
- gtk_widget_show(measure1_button);
- gtk_widget_show(measure2_button);
- gtk_widget_show(measure3_button);
- gtk_widget_show(measure4_button);
- gtk_widget_show(measure5_button);
- gtk_widget_show(measure6_button);
- gtk_widget_show(hbox);
- /*gtk_widget_show(speed_scale);*/
+
+ for (i = 0; i < NUM_BEATS; i++)
+ gtk_widget_show(beat_button[i]);
+
+ gtk_widget_show(beat_box);
+ gtk_widget_show(button_box);
+ gtk_widget_show(speed_scale);
gtk_widget_show(vbox);
gtk_widget_show(window);
+
gtk_idle_add((GtkFunction)gst_bin_iterate, pipeline);
}
@@ -138,5 +172,6 @@ main(int argc, char **argv)
gst_element_set_state(pipeline, GST_STATE_PLAYING);
setup_gui();
gtk_main();
+ g_free(beat_button);
return 0;
}
generated by cgit v1.2.1 (git 2.18.0) at 2025-01-14 23:59:02 +0000