#include #include #include #include static GList *seekable_pads = NULL; static GList *rate_pads = NULL; static GList *seekable_elements = NULL; static GstElement *pipeline; static guint64 duration; static GtkAdjustment *adjustment; static gboolean stats = FALSE; static guint update_id; #define SOURCE "gnomevfssrc" //#define SOURCE "filesrc" #define UPDATE_INTERVAL 500 #define THREAD #define PAD_SEEK typedef struct { const gchar *padname; GstPad *target; GstElement *bin; } dyn_connect; static void dynamic_connect (GstPadTemplate *templ, GstPad *newpad, gpointer data) { dyn_connect *connect = (dyn_connect *) data; if (!strcmp (gst_pad_get_name (newpad), connect->padname)) { gst_element_set_state (pipeline, GST_STATE_PAUSED); gst_bin_add (GST_BIN (pipeline), connect->bin); gst_pad_connect (newpad, connect->target); gst_element_set_state (pipeline, GST_STATE_PLAYING); seekable_pads = g_list_prepend (seekable_pads, newpad); rate_pads = g_list_prepend (rate_pads, newpad); } } static void setup_dynamic_connection (GstElement *element, const gchar *padname, GstPad *target, GstElement *bin) { dyn_connect *connect; connect = g_new0 (dyn_connect, 1); connect->padname = g_strdup (padname); connect->target = target; connect->bin = bin; g_signal_connect (G_OBJECT (element), "new_pad", G_CALLBACK (dynamic_connect), connect); } static GstElement* make_mod_pipeline (const gchar *location) { GstElement *pipeline; GstElement *src, *decoder, *audiosink; GstPad *seekable; pipeline = gst_pipeline_new ("app"); src = gst_element_factory_make_or_warn (SOURCE, "src"); decoder = gst_element_factory_make_or_warn ("modplug", "decoder"); audiosink = gst_element_factory_make_or_warn ("osssink", "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 (pipeline), audiosink); gst_element_connect (src, decoder); gst_element_connect (decoder, audiosink); seekable = gst_element_get_pad (decoder, "src"); seekable_pads = g_list_prepend (seekable_pads, seekable); rate_pads = g_list_prepend (rate_pads, seekable); rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink")); return pipeline; } static GstElement* make_wav_pipeline (const gchar *location) { GstElement *pipeline; GstElement *src, *decoder, *audiosink; GstPad *seekable; pipeline = gst_pipeline_new ("app"); src = gst_element_factory_make_or_warn (SOURCE, "src"); decoder = gst_element_factory_make_or_warn ("wavparse", "decoder"); audiosink = gst_element_factory_make_or_warn ("osssink", "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 (pipeline), audiosink); gst_element_connect (src, decoder); gst_element_connect (decoder, audiosink); seekable = gst_element_get_pad (decoder, "src"); seekable_pads = g_list_prepend (seekable_pads, seekable); rate_pads = g_list_prepend (rate_pads, seekable); rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink")); return pipeline; } static GstElement* make_flac_pipeline (const gchar *location) { GstElement *pipeline; GstElement *src, *decoder, *audiosink; GstPad *seekable; pipeline = gst_pipeline_new ("app"); src = gst_element_factory_make_or_warn (SOURCE, "src"); decoder = gst_element_factory_make_or_warn ("flacdec", "decoder"); audiosink = gst_element_factory_make_or_warn ("osssink", "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 (pipeline), audiosink); gst_element_connect (src, decoder); gst_element_connect (decoder, audiosink); seekable = gst_element_get_pad (decoder, "src"); seekable_pads = g_list_prepend (seekable_pads, seekable); rate_pads = g_list_prepend (rate_pads, seekable); rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink")); return pipeline; } static GstElement* make_sid_pipeline (const gchar *location) { GstElement *pipeline; GstElement *src, *decoder, *audiosink; GstPad *seekable; pipeline = gst_pipeline_new ("app"); src = gst_element_factory_make_or_warn (SOURCE, "src"); decoder = gst_element_factory_make_or_warn ("siddec", "decoder"); audiosink = gst_element_factory_make_or_warn ("osssink", "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 (pipeline), audiosink); gst_element_connect (src, decoder); gst_element_connect (decoder, audiosink); seekable = gst_element_get_pad (decoder, "src"); seekable_pads = g_list_prepend (seekable_pads, seekable); rate_pads = g_list_prepend (rate_pads, seekable); rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink")); return pipeline; } static GstElement* make_parse_pipeline (const gchar *location) { GstElement *pipeline; GstElement *src, *parser, *fakesink; GstPad *seekable; pipeline = gst_pipeline_new ("app"); src = gst_element_factory_make_or_warn (SOURCE, "src"); parser = gst_element_factory_make_or_warn ("mpegparse", "parse"); fakesink = gst_element_factory_make_or_warn ("fakesink", "sink"); g_object_set (G_OBJECT (fakesink), "sync", TRUE, NULL); g_object_set (G_OBJECT (src), "location", location, NULL); gst_bin_add (GST_BIN (pipeline), src); gst_bin_add (GST_BIN (pipeline), parser); gst_bin_add (GST_BIN (pipeline), fakesink); gst_element_connect (src, parser); gst_element_connect (parser, fakesink); seekable = gst_element_get_pad (parser, "src"); seekable_pads = g_list_prepend (seekable_pads, seekable); rate_pads = g_list_prepend (rate_pads, seekable); rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (parser, "sink")); return pipeline; } static GstElement* make_vorbis_pipeline (const gchar *location) { GstElement *pipeline; GstElement *src, *decoder, *audiosink; GstPad *seekable; pipeline = gst_pipeline_new ("app"); src = gst_element_factory_make_or_warn (SOURCE, "src"); decoder = gst_element_factory_make_or_warn ("vorbisfile", "decoder"); audiosink = gst_element_factory_make_or_warn ("osssink", "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 (pipeline), audiosink); gst_element_connect (src, decoder); gst_element_connect (decoder, audiosink); seekable = gst_element_get_pad (decoder, "src"); seekable_pads = g_list_prepend (seekable_pads, seekable); rate_pads = g_list_prepend (rate_pads, seekable); rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink")); return pipeline; } static GstElement* make_mp3_pipeline (const gchar *location) { GstElement *pipeline; GstElement *src, *decoder, *osssink, *queue, *audio_thread; GstPad *seekable; pipeline = gst_pipeline_new ("app"); src = gst_element_factory_make_or_warn (SOURCE, "src"); decoder = gst_element_factory_make_or_warn ("mad", "dec"); queue = gst_element_factory_make_or_warn ("queue", "queue"); osssink = gst_element_factory_make_or_warn ("osssink", "sink"); audio_thread = gst_thread_new ("a_decoder_thread"); seekable_elements = g_list_prepend (seekable_elements, osssink); g_object_set (G_OBJECT (src), "location", location, NULL); g_object_set (G_OBJECT (osssink), "fragment", 0x00180008, NULL); gst_bin_add (GST_BIN (pipeline), src); gst_bin_add (GST_BIN (pipeline), decoder); gst_bin_add (GST_BIN (audio_thread), queue); gst_bin_add (GST_BIN (audio_thread), osssink); gst_bin_add (GST_BIN (pipeline), audio_thread); gst_element_connect (src, decoder); gst_element_connect (decoder, queue); gst_element_connect (queue, osssink); seekable = gst_element_get_pad (queue, "src"); seekable_pads = g_list_prepend (seekable_pads, seekable); rate_pads = g_list_prepend (rate_pads, seekable); rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink")); return pipeline; } static GstElement* make_avi_pipeline (const gchar *location) { GstElement *pipeline, *audio_bin, *video_bin; GstElement *src, *demux, *a_decoder, *v_decoder, *audiosink, *videosink; GstElement *a_queue = NULL, *audio_thread = NULL, *v_queue = NULL, *video_thread = NULL; GstPad *seekable; pipeline = gst_pipeline_new ("app"); src = gst_element_factory_make_or_warn (SOURCE, "src"); g_object_set (G_OBJECT (src), "location", location, NULL); demux = gst_element_factory_make_or_warn ("avidemux", "demux"); seekable_elements = g_list_prepend (seekable_elements, demux); gst_bin_add (GST_BIN (pipeline), src); gst_bin_add (GST_BIN (pipeline), demux); gst_element_connect (src, demux); audio_bin = gst_bin_new ("a_decoder_bin"); a_decoder = gst_element_factory_make_or_warn ("mad", "a_dec"); audio_thread = gst_thread_new ("a_decoder_thread"); audiosink = gst_element_factory_make_or_warn ("osssink", "a_sink"); //g_object_set (G_OBJECT (audiosink), "fragment", 0x00180008, NULL); a_queue = gst_element_factory_make_or_warn ("queue", "a_queue"); gst_element_connect (a_decoder, a_queue); gst_element_connect (a_queue, audiosink); gst_bin_add (GST_BIN (audio_bin), a_decoder); gst_bin_add (GST_BIN (audio_bin), audio_thread); gst_bin_add (GST_BIN (audio_thread), a_queue); gst_bin_add (GST_BIN (audio_thread), audiosink); gst_element_set_state (audio_bin, GST_STATE_READY); setup_dynamic_connection (demux, "audio_00", gst_element_get_pad (a_decoder, "sink"), audio_bin); seekable = gst_element_get_pad (a_queue, "src"); seekable_pads = g_list_prepend (seekable_pads, seekable); rate_pads = g_list_prepend (rate_pads, seekable); rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (a_decoder, "sink")); video_bin = gst_bin_new ("v_decoder_bin"); //v_decoder = gst_element_factory_make_or_warn ("identity", "v_dec"); v_decoder = gst_element_factory_make_or_warn ("windec", "v_dec"); video_thread = gst_thread_new ("v_decoder_thread"); videosink = gst_element_factory_make_or_warn ("xvideosink", "v_sink"); //videosink = gst_element_factory_make_or_warn ("fakesink", "v_sink"); //g_object_set (G_OBJECT (videosink), "sync", TRUE, NULL); v_queue = gst_element_factory_make_or_warn ("queue", "v_queue"); g_object_set (G_OBJECT (v_queue), "max_level", 10, NULL); gst_element_connect (v_decoder, v_queue); gst_element_connect (v_queue, videosink); gst_bin_add (GST_BIN (video_bin), v_decoder); gst_bin_add (GST_BIN (video_bin), video_thread); gst_bin_add (GST_BIN (video_thread), v_queue); gst_bin_add (GST_BIN (video_thread), videosink); gst_element_set_state (video_bin, GST_STATE_READY); setup_dynamic_connection (demux, "video_00", gst_element_get_pad (v_decoder, "sink"), video_bin); seekable = gst_element_get_pad (v_queue, "src"); seekable_pads = g_list_prepend (seekable_pads, seekable); rate_pads = g_list_prepend (rate_pads, seekable); rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (v_decoder, "sink")); return pipeline; } static GstElement* make_mpeg_pipeline (const gchar *location) { GstElement *pipeline, *audio_bin, *video_bin; GstElement *src, *demux, *a_decoder, *v_decoder, *v_filter; GstElement *audiosink, *videosink; GstElement *a_queue, *audio_thread, *v_queue, *video_thread; GstPad *seekable; pipeline = gst_pipeline_new ("app"); src = gst_element_factory_make_or_warn (SOURCE, "src"); g_object_set (G_OBJECT (src), "location", location, NULL); demux = gst_element_factory_make_or_warn ("mpegdemux", "demux"); g_object_set (G_OBJECT (demux), "sync", FALSE, NULL); seekable_elements = g_list_prepend (seekable_elements, demux); gst_bin_add (GST_BIN (pipeline), src); gst_bin_add (GST_BIN (pipeline), demux); gst_element_connect (src, demux); audio_bin = gst_bin_new ("a_decoder_bin"); a_decoder = gst_element_factory_make_or_warn ("mad", "a_dec"); audio_thread = gst_thread_new ("a_decoder_thread"); a_queue = gst_element_factory_make_or_warn ("queue", "a_queue"); audiosink = gst_element_factory_make_or_warn ("osssink", "a_sink"); g_object_set (G_OBJECT (audiosink), "fragment", 0x00180008, NULL); gst_element_connect (a_decoder, a_queue); gst_element_connect (a_queue, audiosink); gst_bin_add (GST_BIN (audio_bin), a_decoder); gst_bin_add (GST_BIN (audio_bin), audio_thread); gst_bin_add (GST_BIN (audio_thread), a_queue); gst_bin_add (GST_BIN (audio_thread), audiosink); setup_dynamic_connection (demux, "audio_00", gst_element_get_pad (a_decoder, "sink"), audio_bin); seekable = gst_element_get_pad (a_queue, "src"); seekable_pads = g_list_prepend (seekable_pads, seekable); rate_pads = g_list_prepend (rate_pads, seekable); rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (a_decoder, "sink")); video_bin = gst_bin_new ("v_decoder_bin"); v_decoder = gst_element_factory_make_or_warn ("mpeg2dec", "v_dec"); video_thread = gst_thread_new ("v_decoder_thread"); v_queue = gst_element_factory_make_or_warn ("queue", "v_queue"); v_filter = gst_element_factory_make_or_warn ("colorspace", "v_filter"); videosink = gst_element_factory_make_or_warn ("xvideosink", "v_sink"); gst_element_connect_many (v_decoder, v_queue, videosink, NULL); gst_bin_add_many (GST_BIN (video_bin), v_decoder, video_thread, NULL); gst_bin_add_many (GST_BIN (video_thread), v_queue, videosink, NULL); setup_dynamic_connection (demux, "video_00", gst_element_get_pad (v_decoder, "sink"), video_bin); seekable = gst_element_get_pad (v_queue, "src"); seekable_pads = g_list_prepend (seekable_pads, seekable); rate_pads = g_list_prepend (rate_pads, seekable); rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (v_decoder, "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 ("%02lld:%02lld:%02lld", 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 }, { "unt", GST_FORMAT_UNITS }, { "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 %13lld | ", 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_pads; while (walk) { GstPad *pad = GST_PAD (walk->data); gint i = 0; g_print ("durations %8.8s: ", GST_PAD_NAME (pad)); while (seek_formats[i].name) { gboolean res; gint64 value; GstFormat format; format = seek_formats[i].format; res = gst_pad_query (pad, GST_PAD_QUERY_TOTAL, &format, &value); if (res) { g_print ("%s %13lld | ", 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_positions () { GList *walk = seekable_pads; while (walk) { GstPad *pad = GST_PAD (walk->data); gint i = 0; g_print ("positions %8.8s: ", GST_PAD_NAME (pad)); while (seek_formats[i].name) { gboolean res; gint64 value; GstFormat format; format = seek_formats[i].format; res = gst_pad_query (pad, GST_PAD_QUERY_POSITION, &format, &value); if (res) { g_print ("%s %13lld | ", 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); } } 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_pads) { GstPad *pad = GST_PAD (seekable_pads->data); gst_pad_query (pad, GST_PAD_QUERY_TOTAL, &format, &duration); } position = gst_clock_get_time (clock); if (stats) { g_print ("clock: %13llu (%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; 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; #ifdef PAD_SEEK GList *walk = seekable_pads; while (walk) { GstPad *seekable = GST_PAD (walk->data); g_print ("seek to %lld on pad %s:%s\n", real, GST_DEBUG_PAD_NAME (seekable)); s_event = gst_event_new_seek (GST_FORMAT_TIME | GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH, real); res = gst_pad_send_event (seekable, s_event); gst_event_free (s_event); walk = g_list_next (walk); } #else GList *walk = seekable_elements; while (walk) { GstElement *seekable = GST_ELEMENT (walk->data); g_print ("seek to %lld on element %s\n", real, gst_element_get_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); gst_event_free (s_event); walk = g_list_next (walk); } #endif 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 play_cb (GtkButton * button, gpointer data) { if (gst_element_get_state (pipeline) != GST_STATE_PLAYING) { 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); } } 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 pad stats", NULL}, POPT_TABLEEND }; gst_init_with_popt_table (&argc, &argv, options); gtk_init (&argc, &argv); if (argc != 3) { g_print ("usage: %s \n", argv[0]); exit (-1); } if (atoi (argv[1]) == 0) pipeline = make_mp3_pipeline (argv[2]); else if (atoi (argv[1]) == 1) pipeline = make_avi_pipeline (argv[2]); else if (atoi (argv[1]) == 2) pipeline = make_mpeg_pipeline (argv[2]); else if (atoi (argv[1]) == 3) pipeline = make_parse_pipeline (argv[2]); else if (atoi (argv[1]) == 4) pipeline = make_vorbis_pipeline (argv[2]); else if (atoi (argv[1]) == 5) pipeline = make_sid_pipeline (argv[2]); else if (atoi (argv[1]) == 6) pipeline = make_flac_pipeline (argv[2]); else if (atoi (argv[1]) == 7) pipeline = make_wav_pipeline (argv[2]); else if (atoi (argv[1]) == 8) pipeline = make_mod_pipeline (argv[2]); /* 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 (); //g_mem_chunk_info(); return 0; }