diff options
-rw-r--r-- | examples/seeking/spider_seek.c | 379 |
1 files changed, 0 insertions, 379 deletions
diff --git a/examples/seeking/spider_seek.c b/examples/seeking/spider_seek.c deleted file mode 100644 index d63d3bde..00000000 --- a/examples/seeking/spider_seek.c +++ /dev/null @@ -1,379 +0,0 @@ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#include <stdlib.h> -#include <glib.h> -#include <gtk/gtk.h> -#include <gst/gst.h> -#include <string.h> - -static GList *rate_pads = NULL; -static GList *seekable_elements = NULL; - -static GstElement *pipeline; -static GtkAdjustment *adjustment; -static gboolean stats = FALSE; -static guint64 duration; - -static guint update_id; - -//#define SOURCE "gnomevfssrc" -#define SOURCE "filesrc" - -#define UPDATE_INTERVAL 500 - -static GstElement * -make_spider_pipeline (const gchar * location, gboolean thread) -{ - GstElement *pipeline; - GstElement *src, *decoder, *audiosink, *videosink, *a_thread, *v_thread, - *a_queue, *v_queue; - - if (thread) { - pipeline = gst_thread_new ("app"); - } else { - pipeline = gst_pipeline_new ("app"); - } - - - src = gst_element_factory_make (SOURCE, "src"); - decoder = gst_element_factory_make ("spider", "decoder"); - a_thread = gst_thread_new ("a_thread"); - a_queue = gst_element_factory_make ("queue", "a_queue"); - audiosink = gst_element_factory_make (DEFAULT_AUDIOSINK, "a_sink"); - //g_object_set (G_OBJECT (audiosink), "fragment", 0x00180008, NULL); - - v_thread = gst_thread_new ("v_thread"); - v_queue = gst_element_factory_make ("queue", "v_queue"); - videosink = gst_element_factory_make (DEFAULT_VIDEOSINK, "v_sink"); - //g_object_set (G_OBJECT (audiosink), "sync", FALSE, NULL); - - g_object_set (G_OBJECT (src), "location", location, NULL); - - gst_bin_add (GST_BIN (pipeline), src); - gst_bin_add (GST_BIN (pipeline), decoder); - gst_bin_add (GST_BIN (a_thread), a_queue); - gst_bin_add (GST_BIN (a_thread), audiosink); - gst_bin_add (GST_BIN (v_thread), v_queue); - gst_bin_add (GST_BIN (v_thread), videosink); - gst_bin_add (GST_BIN (pipeline), a_thread); - gst_bin_add (GST_BIN (pipeline), v_thread); - - gst_element_link (src, decoder); - gst_element_link (v_queue, videosink); - gst_element_link (decoder, v_queue); - gst_element_link (a_queue, audiosink); - gst_element_link (decoder, a_queue); - - seekable_elements = g_list_prepend (seekable_elements, videosink); - seekable_elements = g_list_prepend (seekable_elements, audiosink); - rate_pads = - g_list_prepend (rate_pads, gst_element_get_pad (audiosink, "sink")); - rate_pads = - g_list_prepend (rate_pads, gst_element_get_pad (videosink, "sink")); - - return pipeline; -} - -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_rates (void) -{ - GList *walk = rate_pads; - - while (walk) { - GstPad *pad = GST_PAD (walk->data); - gint i = 0; - - g_print ("rate/sec %8.8s: ", GST_PAD_NAME (pad)); - while (seek_formats[i].name) { - gint64 value; - GstFormat format; - - format = seek_formats[i].format; - - if (gst_pad_convert (pad, GST_FORMAT_TIME, GST_SECOND, &format, &value)) { - 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:%s\n", GST_DEBUG_PAD_NAME (pad)); - - walk = g_list_next (walk); - } -} - -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; - 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); - } - position = gst_clock_get_time (clock); - - if (stats) { - g_print ("clock: %13" G_GUINT64_FORMAT " (%s)\n", - position, gst_object_get_name (GST_OBJECT (clock))); - query_durations (); - query_positions (); - query_rates (); - } - if (duration > 0) { - gtk_adjustment_set_value (adjustment, position * 100.0 / duration); - } - - return TRUE; -} - -static gboolean -iterate (gpointer data) -{ - gboolean res = TRUE; - - 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; - gboolean threaded = FALSE; - struct poptOption options[] = { - {"threaded", 't', POPT_ARG_NONE | POPT_ARGFLAG_STRIP, &threaded, 0, - "Run the pipeline in a toplevel thread", NULL}, - {"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); - - if (argc != 2) { - g_print ("usage: %s <filename>\n", argv[0]); - exit (-1); - } - - pipeline = make_spider_pipeline (argv[1], threaded); - - /* 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 (); - - return 0; -} |