diff options
Diffstat (limited to 'examples/seeking/playbin.c')
| -rw-r--r-- | examples/seeking/playbin.c | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/examples/seeking/playbin.c b/examples/seeking/playbin.c deleted file mode 100644 index b6ff35b8..00000000 --- a/examples/seeking/playbin.c +++ /dev/null @@ -1,270 +0,0 @@ -#include <stdlib.h> -#include <glib.h> -#include <gtk/gtk.h> -#include <gst/gst.h> -#include <string.h> - -static GstElement *playbin = NULL; -static GstElement *pipeline; -static guint64 duration; -static GtkAdjustment *adjustment; -static GtkWidget *hscale; -static gboolean verbose = FALSE; - -static guint update_id; - -#define UPDATE_INTERVAL 500 - -static GstElement * -make_playerbin_pipeline (const gchar * location) -{ - playbin = gst_element_factory_make ("playbin", "player"); - g_assert (playbin); - - g_object_set (G_OBJECT (playbin), "uri", location, NULL); - - return playbin; -} - -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); -} - -static gboolean -update_scale (gpointer data) -{ - GstClock *clock; - guint64 position; - GstFormat format = GST_FORMAT_TIME; - gboolean res; - - duration = 0; - clock = gst_bin_get_clock (GST_BIN (pipeline)); - - res = gst_element_query (playbin, GST_QUERY_TOTAL, &format, &duration); - if (!res) - duration = 0; - res = gst_element_query (playbin, GST_QUERY_POSITION, &format, &position); - if (!res) - position = 0; - - if (position >= duration) - duration = position; - - if (duration > 0) { - gtk_adjustment_set_value (adjustment, position * 100.0 / duration); - gtk_widget_queue_draw (hscale); - } - - return TRUE; -} - -static gboolean -iterate (gpointer data) -{ - gboolean res; - - if (!GST_FLAG_IS_SET (GST_OBJECT (data), GST_BIN_SELF_SCHEDULABLE)) { - res = gst_bin_iterate (GST_BIN (data)); - } else { - g_usleep (UPDATE_INTERVAL); - res = gst_element_get_state (GST_ELEMENT (data)) == GST_STATE_PLAYING; - } - - 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; - - g_print ("seek to %" G_GINT64_FORMAT " on element %s\n", real, - gst_element_get_name (playbin)); - s_event = - gst_event_new_seek (GST_FORMAT_TIME | GST_SEEK_METHOD_SET | - GST_SEEK_FLAG_FLUSH, real); - - res = gst_element_send_event (playbin, s_event); - - gst_element_set_state (pipeline, GST_STATE_PLAYING); - gtk_idle_add ((GtkFunction) iterate, pipeline); - update_id = - gtk_timeout_add (UPDATE_INTERVAL, (GtkFunction) update_scale, pipeline); - - return FALSE; -} - -static void -print_media_info (GstElement * playbin) -{ - GList *streaminfo; - GList *s; - - g_print ("have media info now\n"); - - /* get info about the stream */ - g_object_get (G_OBJECT (playbin), "stream-info", &streaminfo, NULL); - - for (s = streaminfo; s; s = g_list_next (s)) { - GObject *obj = G_OBJECT (s->data); - gint type; - gboolean mute; - - g_object_get (obj, "type", &type, NULL); - g_object_get (obj, "mute", &mute, NULL); - - g_print ("%d %d\n", type, mute); - } -} - -static void -play_cb (GtkButton * button, gpointer data) -{ - if (gst_element_get_state (pipeline) != GST_STATE_PLAYING) { - GstElementStateReturn res; - - res = gst_element_set_state (pipeline, GST_STATE_PAUSED); - if (res == GST_STATE_SUCCESS) { - print_media_info (playbin); - - res = gst_element_set_state (pipeline, GST_STATE_PLAYING); - gtk_idle_add ((GtkFunction) iterate, pipeline); - update_id = - gtk_timeout_add (UPDATE_INTERVAL, (GtkFunction) update_scale, - pipeline); - } else { - g_print ("failed playing\n"); - } - } -} - -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_adjustment_set_value (adjustment, 0.0); - gtk_timeout_remove (update_id); - } -} - -static void -print_usage (int argc, char **argv) -{ - g_print ("usage: %s <uri>\n", argv[0]); -} - -int -main (int argc, char **argv) -{ - GtkWidget *window, *hbox, *vbox, *play_button, *pause_button, *stop_button; - struct poptOption options[] = { - {"verbose", 'v', POPT_ARG_NONE | POPT_ARGFLAG_STRIP, &verbose, 0, - "Verbose properties", NULL}, - POPT_TABLEEND - }; - - gst_init_with_popt_table (&argc, &argv, options); - gtk_init (&argc, &argv); - - if (argc != 2) { - print_usage (argc, argv); - exit (-1); - } - - pipeline = make_playerbin_pipeline (argv[1]); - g_assert (pipeline); - - /* 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); - - if (verbose) { - 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); - - gtk_main (); - - gst_element_set_state (pipeline, GST_STATE_NULL); - - gst_object_unref (GST_OBJECT (pipeline)); - - return 0; -} |