From b01792e15e9e30625a602f776656a8ac8c69e42c Mon Sep 17 00:00:00 2001 From: Thomas Vander Stichele Date: Tue, 16 Aug 2005 13:37:47 +0000 Subject: remove seeking example, they're in gst-plugins-base Original commit message from CVS: remove seeking example, they're in gst-plugins-base --- examples/seeking/cdplayer.c | 303 -------------------------------------------- 1 file changed, 303 deletions(-) delete mode 100644 examples/seeking/cdplayer.c (limited to 'examples/seeking/cdplayer.c') diff --git a/examples/seeking/cdplayer.c b/examples/seeking/cdplayer.c deleted file mode 100644 index 21fa302d..00000000 --- a/examples/seeking/cdplayer.c +++ /dev/null @@ -1,303 +0,0 @@ -#include -#include -#include -#include -#include - -static GList *seekable_elements = NULL; - -static GstElement *pipeline; -static GtkAdjustment *adjustment; -static gboolean stats = FALSE; -static guint64 duration; - -static guint update_id; - -#define UPDATE_INTERVAL 500 - -static GstElement * -make_cdaudio_pipeline (void) -{ - GstElement *cdaudio; - - cdaudio = gst_element_factory_make ("cdaudio", "cdaudio"); - g_assert (cdaudio != NULL); - - seekable_elements = g_list_prepend (seekable_elements, cdaudio); - - return cdaudio; -} - -static gchar * -format_value (GtkScale * scale, gdouble value) -{ - gint64 real; - gint64 seconds; - gint64 subseconds; - - real = value * duration / 100; - seconds = (gint64) real / GST_SECOND; - subseconds = (gint64) real / (GST_SECOND / 100); - - return g_strdup_printf ("%02" G_GINT64_FORMAT ":%02" G_GINT64_FORMAT ":%02" - G_GINT64_FORMAT, seconds / 60, seconds % 60, subseconds % 100); -} - -typedef struct -{ - const gchar *name; - const GstFormat format; -} -seek_format; - -static seek_format seek_formats[] = { - {"tim", GST_FORMAT_TIME}, - {"byt", GST_FORMAT_BYTES}, - {"buf", GST_FORMAT_BUFFERS}, - {"def", GST_FORMAT_DEFAULT}, - {NULL, 0}, -}; - - -G_GNUC_UNUSED static void -query_durations () -{ - GList *walk = seekable_elements; - - while (walk) { - GstElement *element = GST_ELEMENT (walk->data); - gint i = 0; - - g_print ("durations %8.8s: ", GST_ELEMENT_NAME (element)); - while (seek_formats[i].name) { - gboolean res; - gint64 value; - GstFormat format; - - format = seek_formats[i].format; - res = gst_element_query (element, GST_QUERY_TOTAL, &format, &value); - if (res) { - g_print ("%s %13" G_GINT64_FORMAT " | ", seek_formats[i].name, value); - } else { - g_print ("%s %13.13s | ", seek_formats[i].name, "*NA*"); - } - i++; - } - g_print (" %s\n", GST_ELEMENT_NAME (element)); - walk = g_list_next (walk); - } -} - -G_GNUC_UNUSED static void -query_positions () -{ - GList *walk = seekable_elements; - - while (walk) { - GstElement *element = GST_ELEMENT (walk->data); - gint i = 0; - - g_print ("positions %8.8s: ", GST_ELEMENT_NAME (element)); - while (seek_formats[i].name) { - gboolean res; - gint64 value; - GstFormat format; - - format = seek_formats[i].format; - res = gst_element_query (element, GST_QUERY_POSITION, &format, &value); - if (res) { - g_print ("%s %13" G_GINT64_FORMAT " | ", seek_formats[i].name, value); - } else { - g_print ("%s %13.13s | ", seek_formats[i].name, "*NA*"); - } - i++; - } - g_print (" %s\n", GST_ELEMENT_NAME (element)); - walk = g_list_next (walk); - } -} - -static gboolean -update_scale (gpointer data) -{ - GstClock *clock; - guint64 position = 0; - GstFormat format = GST_FORMAT_TIME; - - duration = 0; - clock = gst_bin_get_clock (GST_BIN (pipeline)); - - if (seekable_elements) { - GstElement *element = GST_ELEMENT (seekable_elements->data); - - gst_element_query (element, GST_QUERY_TOTAL, &format, &duration); - gst_element_query (element, GST_QUERY_POSITION, &format, &position); - } - - if (stats) { - if (clock) - g_print ("clock: %13" G_GUINT64_FORMAT " (%s)\n", - position, gst_object_get_name (GST_OBJECT (clock))); - query_durations (); - query_positions (); - } - if (duration > 0) { - gtk_adjustment_set_value (adjustment, position * 100.0 / duration); - } - - return TRUE; -} - -static gboolean -iterate (gpointer data) -{ - gboolean res = TRUE; - - g_print ("iterate\n"); - res = gst_bin_iterate (GST_BIN (data)); - if (!res) { - gtk_timeout_remove (update_id); - g_print ("stopping iterations\n"); - } - return res; -} - -static gboolean -start_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data) -{ - gst_element_set_state (pipeline, GST_STATE_PAUSED); - gtk_timeout_remove (update_id); - - return FALSE; -} - -static gboolean -stop_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data) -{ - gint64 real = gtk_range_get_value (GTK_RANGE (widget)) * duration / 100; - gboolean res; - GstEvent *s_event; - GList *walk = seekable_elements; - - while (walk) { - GstElement *seekable = GST_ELEMENT (walk->data); - - g_print ("seek to %" G_GINT64_FORMAT " on element %s\n", real, - GST_ELEMENT_NAME (seekable)); - s_event = - gst_event_new_seek (GST_FORMAT_TIME | GST_SEEK_METHOD_SET | - GST_SEEK_FLAG_FLUSH, real); - - res = gst_element_send_event (seekable, s_event); - - walk = g_list_next (walk); - } - - gst_element_set_state (pipeline, GST_STATE_PLAYING); - if (!GST_FLAG_IS_SET (pipeline, GST_BIN_SELF_SCHEDULABLE)) - gtk_idle_add ((GtkFunction) iterate, pipeline); - update_id = - gtk_timeout_add (UPDATE_INTERVAL, (GtkFunction) update_scale, pipeline); - - return FALSE; -} - -static void -play_cb (GtkButton * button, gpointer data) -{ - if (gst_element_get_state (pipeline) != GST_STATE_PLAYING) { - gst_element_set_state (pipeline, GST_STATE_PLAYING); - if (!GST_FLAG_IS_SET (pipeline, GST_BIN_SELF_SCHEDULABLE)) - gtk_idle_add ((GtkFunction) iterate, pipeline); - update_id = - gtk_timeout_add (UPDATE_INTERVAL, (GtkFunction) update_scale, pipeline); - } -} - -static void -pause_cb (GtkButton * button, gpointer data) -{ - if (gst_element_get_state (pipeline) != GST_STATE_PAUSED) { - gst_element_set_state (pipeline, GST_STATE_PAUSED); - gtk_timeout_remove (update_id); - } -} - -static void -stop_cb (GtkButton * button, gpointer data) -{ - if (gst_element_get_state (pipeline) != GST_STATE_READY) { - gst_element_set_state (pipeline, GST_STATE_READY); - gtk_timeout_remove (update_id); - } -} - -int -main (int argc, char **argv) -{ - GtkWidget *window, *hbox, *vbox, - *play_button, *pause_button, *stop_button, *hscale; - struct poptOption options[] = { - {"stats", 's', POPT_ARG_NONE | POPT_ARGFLAG_STRIP, &stats, 0, - "Show element stats", NULL}, - POPT_TABLEEND - }; - - gst_init_with_popt_table (&argc, &argv, options); - gtk_init (&argc, &argv); - - pipeline = make_cdaudio_pipeline (); - - g_signal_connect (pipeline, "deep_notify", - G_CALLBACK (gst_element_default_deep_notify), NULL); - g_signal_connect (pipeline, "error", G_CALLBACK (gst_element_default_error), - NULL); - - /* initialize gui elements ... */ - window = gtk_window_new (GTK_WINDOW_TOPLEVEL); - hbox = gtk_hbox_new (FALSE, 0); - vbox = gtk_vbox_new (FALSE, 0); - play_button = gtk_button_new_with_label ("play"); - pause_button = gtk_button_new_with_label ("pause"); - stop_button = gtk_button_new_with_label ("stop"); - - adjustment = - GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.00, 100.0, 0.1, 1.0, 1.0)); - hscale = gtk_hscale_new (adjustment); - gtk_scale_set_digits (GTK_SCALE (hscale), 2); - gtk_range_set_update_policy (GTK_RANGE (hscale), GTK_UPDATE_CONTINUOUS); - - gtk_signal_connect (GTK_OBJECT (hscale), - "button_press_event", G_CALLBACK (start_seek), pipeline); - gtk_signal_connect (GTK_OBJECT (hscale), - "button_release_event", G_CALLBACK (stop_seek), pipeline); - gtk_signal_connect (GTK_OBJECT (hscale), - "format_value", G_CALLBACK (format_value), pipeline); - - /* do the packing stuff ... */ - gtk_window_set_default_size (GTK_WINDOW (window), 96, 96); - gtk_container_add (GTK_CONTAINER (window), vbox); - gtk_container_add (GTK_CONTAINER (vbox), hbox); - gtk_box_pack_start (GTK_BOX (hbox), play_button, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (hbox), pause_button, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (hbox), stop_button, FALSE, FALSE, 2); - gtk_box_pack_start (GTK_BOX (vbox), hscale, TRUE, TRUE, 2); - - /* connect things ... */ - g_signal_connect (G_OBJECT (play_button), "clicked", G_CALLBACK (play_cb), - pipeline); - g_signal_connect (G_OBJECT (pause_button), "clicked", G_CALLBACK (pause_cb), - pipeline); - g_signal_connect (G_OBJECT (stop_button), "clicked", G_CALLBACK (stop_cb), - pipeline); - g_signal_connect (G_OBJECT (window), "delete_event", gtk_main_quit, NULL); - - /* show the gui. */ - gtk_widget_show_all (window); - - gtk_main (); - - gst_element_set_state (pipeline, GST_STATE_NULL); - - return 0; -} -- cgit v1.2.1