2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wtay@chello.be>
4 * 2004 Thomas Vander Stichele <thomas@apestaart.org>
6 * gst-launch.c: tool to launch GStreamer pipelines from the command line
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
28 /* FIXME: hack alert */
30 #define DISABLE_FAULT_HANDLER
39 #ifndef DISABLE_FAULT_HANDLER
42 #include <locale.h> /* for LC_ALL */
45 /* FIXME: This is just a temporary hack. We should have a better
46 * check for siginfo handling. */
51 extern volatile gboolean glib_on_error_halt;
53 #ifndef DISABLE_FAULT_HANDLER
54 static void fault_restore (void);
55 static void fault_spin (void);
56 static void sigint_restore (void);
57 static gboolean caught_intr = FALSE;
60 /* event_loop return codes */
61 typedef enum _EventLoopResult
68 static GstElement *pipeline;
69 static EventLoopResult caught_error = ELR_NO_ERROR;
70 static gboolean quiet = FALSE;
71 static gboolean tags = FALSE;
72 static gboolean messages = FALSE;
73 static gboolean is_live = FALSE;
74 static gboolean waiting_eos = FALSE;
76 /* convenience macro so we don't have to litter the code with if(!quiet) */
77 #define PRINT if(!quiet)g_print
79 #if !defined(GST_DISABLE_LOADSAVE) && !defined(GST_REMOVE_DEPRECATED)
81 xmllaunch_parse_cmdline (const gchar ** argv)
83 GstElement *pipeline = NULL, *e;
87 gchar *element, *property, *value;
91 if (!(arg = argv[0])) {
93 _("Usage: gst-xmllaunch <file.xml> [ element.property=value ... ]\n"));
98 /* FIXME guchar from gstxml.c */
99 err = gst_xml_parse_file (xml, (guchar *) arg, NULL);
102 g_printerr (_("ERROR: parse of xml file '%s' failed.\n"), arg);
106 l = gst_xml_get_topelements (xml);
108 g_printerr (_("ERROR: no toplevel pipeline element in file '%s'.\n"), arg);
114 _("WARNING: only one toplevel element is supported at this time.\n"));
117 pipeline = GST_ELEMENT (l->data);
119 while ((arg = argv[++i])) {
120 element = g_strdup (arg);
121 property = strchr (element, '.');
122 value = strchr (element, '=');
124 if (!(element < property && property < value)) {
125 g_printerr (_("ERROR: could not parse command line argument %d: %s.\n"),
134 e = gst_bin_get_by_name (GST_BIN (pipeline), element);
136 g_printerr (_("WARNING: element named '%s' not found.\n"), element);
138 gst_util_set_object_arg (G_OBJECT (e), property, value);
146 gst_object_ref (pipeline);
147 gst_object_unref (xml);
152 #ifndef DISABLE_FAULT_HANDLER
155 fault_handler_sighandler (int signum)
159 /* printf is used instead of g_print(), since it's less likely to
163 fprintf (stderr, "Caught SIGSEGV\n");
167 printf ("Caught SIGQUIT\n");
170 fprintf (stderr, "signo: %d\n", signum);
177 #else /* USE_SIGINFO */
180 fault_handler_sigaction (int signum, siginfo_t * si, void *misc)
184 /* printf is used instead of g_print(), since it's less likely to
186 switch (si->si_signo) {
188 fprintf (stderr, "Caught SIGSEGV accessing address %p\n", si->si_addr);
192 printf ("Caught SIGQUIT\n");
195 fprintf (stderr, "signo: %d\n", si->si_signo);
196 fprintf (stderr, "errno: %d\n", si->si_errno);
197 fprintf (stderr, "code: %d\n", si->si_code);
203 #endif /* USE_SIGINFO */
210 glib_on_error_halt = FALSE;
211 g_on_error_stack_trace ("gst-launch");
215 /* FIXME how do we know if we were run by libtool? */
217 "Spinning. Please run 'gdb gst-launch %d' to continue debugging, "
218 "Ctrl-C to quit, or Ctrl-\\ to dump core.\n", (gint) getpid ());
226 struct sigaction action;
228 memset (&action, 0, sizeof (action));
229 action.sa_handler = SIG_DFL;
231 sigaction (SIGSEGV, &action, NULL);
232 sigaction (SIGQUIT, &action, NULL);
238 struct sigaction action;
240 memset (&action, 0, sizeof (action));
242 action.sa_sigaction = fault_handler_sigaction;
243 action.sa_flags = SA_SIGINFO;
245 action.sa_handler = fault_handler_sighandler;
248 sigaction (SIGSEGV, &action, NULL);
249 sigaction (SIGQUIT, &action, NULL);
251 #endif /* DISABLE_FAULT_HANDLER */
254 print_error_message (GstMessage * msg)
257 gchar *name, *debug = NULL;
259 name = gst_object_get_path_string (msg->src);
260 gst_message_parse_error (msg, &err, &debug);
262 g_printerr (_("ERROR: from element %s: %s\n"), name, err->message);
264 g_printerr (_("Additional debug info:\n%s\n"), debug);
272 print_tag (const GstTagList * list, const gchar * tag, gpointer unused)
276 count = gst_tag_list_get_tag_size (list, tag);
278 for (i = 0; i < count; i++) {
281 if (gst_tag_get_type (tag) == G_TYPE_STRING) {
282 if (!gst_tag_list_get_string_index (list, tag, i, &str))
283 g_assert_not_reached ();
284 } else if (gst_tag_get_type (tag) == GST_TYPE_BUFFER) {
287 img = gst_value_get_buffer (gst_tag_list_get_value_index (list, tag, i));
291 caps_str = GST_BUFFER_CAPS (img) ?
292 gst_caps_to_string (GST_BUFFER_CAPS (img)) : g_strdup ("unknown");
293 str = g_strdup_printf ("buffer of %u bytes, type: %s",
294 GST_BUFFER_SIZE (img), caps_str);
297 str = g_strdup ("NULL buffer");
301 g_strdup_value_contents (gst_tag_list_get_value_index (list, tag, i));
305 PRINT ("%16s: %s\n", gst_tag_get_nick (tag), str);
307 PRINT ("%16s: %s\n", "", str);
314 #ifndef DISABLE_FAULT_HANDLER
315 /* we only use sighandler here because the registers are not important */
317 sigint_handler_sighandler (int signum)
319 PRINT ("Caught interrupt -- ");
321 /* If we were waiting for an EOS, we still want to catch
322 * the next signal to shutdown properly (and the following one
323 * will quit the program). */
329 /* we set a flag that is checked by the mainloop, we cannot do much in the
330 * interrupt handler (no mutex or other blocking stuff) */
334 /* is called every 250 milliseconds (4 times a second), the interrupt handler
335 * will set a flag for us. We react to this by posting a message. */
337 check_intr (GstElement * pipeline)
343 PRINT ("handling interrupt.\n");
345 /* post an application specific message */
346 gst_element_post_message (GST_ELEMENT (pipeline),
347 gst_message_new_application (GST_OBJECT (pipeline),
348 gst_structure_new ("GstLaunchInterrupt",
349 "message", G_TYPE_STRING, "Pipeline interrupted", NULL)));
351 /* remove timeout handler */
359 struct sigaction action;
361 memset (&action, 0, sizeof (action));
362 action.sa_handler = sigint_handler_sighandler;
364 sigaction (SIGINT, &action, NULL);
368 sigint_restore (void)
370 struct sigaction action;
372 memset (&action, 0, sizeof (action));
373 action.sa_handler = SIG_DFL;
375 sigaction (SIGINT, &action, NULL);
378 /* FIXME 0.11: remove SIGUSR handling (also from man page) */
380 play_handler (int signum)
384 PRINT ("Caught SIGUSR1 - Play request.\n");
385 gst_element_set_state (pipeline, GST_STATE_PLAYING);
388 PRINT ("Caught SIGUSR2 - Stop request.\n");
389 gst_element_set_state (pipeline, GST_STATE_NULL);
395 play_signal_setup (void)
397 struct sigaction action;
399 memset (&action, 0, sizeof (action));
400 action.sa_handler = play_handler;
401 sigaction (SIGUSR1, &action, NULL);
402 sigaction (SIGUSR2, &action, NULL);
404 #endif /* DISABLE_FAULT_HANDLER */
406 /* returns ELR_ERROR if there was an error
407 * or ELR_INTERRUPT if we caught a keyboard interrupt
408 * or ELR_NO_ERROR otherwise. */
409 static EventLoopResult
410 event_loop (GstElement * pipeline, gboolean blocking, GstState target_state)
412 #ifndef DISABLE_FAULT_HANDLER
416 GstMessage *message = NULL;
417 EventLoopResult res = ELR_NO_ERROR;
418 gboolean buffering = FALSE;
420 bus = gst_element_get_bus (GST_ELEMENT (pipeline));
422 #ifndef DISABLE_FAULT_HANDLER
423 timeout_id = g_timeout_add (250, (GSourceFunc) check_intr, pipeline);
427 message = gst_bus_poll (bus, GST_MESSAGE_ANY, blocking ? -1 : 0);
429 /* if the poll timed out, only when !blocking */
433 /* check if we need to dump messages to the console */
436 const GstStructure *s;
439 seqnum = gst_message_get_seqnum (message);
441 s = gst_message_get_structure (message);
443 src_obj = GST_MESSAGE_SRC (message);
445 if (GST_IS_ELEMENT (src_obj)) {
446 PRINT (_("Got message #%u from element \"%s\" (%s): "),
447 (guint) seqnum, GST_ELEMENT_NAME (src_obj),
448 GST_MESSAGE_TYPE_NAME (message));
449 } else if (GST_IS_PAD (src_obj)) {
450 PRINT (_("Got message #%u from pad \"%s:%s\" (%s): "),
451 (guint) seqnum, GST_DEBUG_PAD_NAME (src_obj),
452 GST_MESSAGE_TYPE_NAME (message));
453 } else if (GST_IS_OBJECT (src_obj)) {
454 PRINT (_("Got message #%u from object \"%s\" (%s): "),
455 (guint) seqnum, GST_OBJECT_NAME (src_obj),
456 GST_MESSAGE_TYPE_NAME (message));
458 PRINT (_("Got message #%u (%s): "), (guint) seqnum,
459 GST_MESSAGE_TYPE_NAME (message));
465 sstr = gst_structure_to_string (s);
466 PRINT ("%s\n", sstr);
469 PRINT ("no message details\n");
473 switch (GST_MESSAGE_TYPE (message)) {
474 case GST_MESSAGE_NEW_CLOCK:
478 gst_message_parse_new_clock (message, &clock);
480 PRINT ("New clock: %s\n", (clock ? GST_OBJECT_NAME (clock) : "NULL"));
483 case GST_MESSAGE_CLOCK_LOST:
485 /* disabled for now as it caused problems with rtspsrc. We need to fix
486 * rtspsrc first, then release -good before we can reenable this again
488 PRINT ("Clock lost, selecting a new one\n");
489 gst_element_set_state (pipeline, GST_STATE_PAUSED);
490 gst_element_set_state (pipeline, GST_STATE_PLAYING);
493 case GST_MESSAGE_EOS:{
495 PRINT (_("Got EOS from element \"%s\".\n"),
496 GST_MESSAGE_SRC_NAME (message));
499 case GST_MESSAGE_TAG:
503 if (GST_IS_ELEMENT (GST_MESSAGE_SRC (message))) {
504 PRINT (_("FOUND TAG : found by element \"%s\".\n"),
505 GST_MESSAGE_SRC_NAME (message));
506 } else if (GST_IS_PAD (GST_MESSAGE_SRC (message))) {
507 PRINT (_("FOUND TAG : found by pad \"%s:%s\".\n"),
508 GST_DEBUG_PAD_NAME (GST_MESSAGE_SRC (message)));
509 } else if (GST_IS_OBJECT (GST_MESSAGE_SRC (message))) {
510 PRINT (_("FOUND TAG : found by object \"%s\".\n"),
511 GST_MESSAGE_SRC_NAME (message));
513 PRINT (_("FOUND TAG\n"));
516 gst_message_parse_tag (message, &tags);
517 gst_tag_list_foreach (tags, print_tag, NULL);
518 gst_tag_list_free (tags);
521 case GST_MESSAGE_INFO:{
524 gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));
526 gst_message_parse_info (message, &gerror, &debug);
528 PRINT (_("INFO:\n%s\n"), debug);
530 g_error_free (gerror);
535 case GST_MESSAGE_WARNING:{
538 gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));
540 /* dump graph on warning */
541 GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
542 GST_DEBUG_GRAPH_SHOW_ALL, "gst-launch.warning");
544 gst_message_parse_warning (message, &gerror, &debug);
545 PRINT (_("WARNING: from element %s: %s\n"), name, gerror->message);
547 PRINT (_("Additional debug info:\n%s\n"), debug);
549 g_error_free (gerror);
554 case GST_MESSAGE_ERROR:{
555 /* dump graph on error */
556 GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
557 GST_DEBUG_GRAPH_SHOW_ALL, "gst-launch.error");
559 print_error_message (message);
561 /* we have an error */
565 case GST_MESSAGE_STATE_CHANGED:{
566 GstState old, new, pending;
568 gst_message_parse_state_changed (message, &old, &new, &pending);
570 /* we only care about pipeline state change messages */
571 if (GST_MESSAGE_SRC (message) != GST_OBJECT_CAST (pipeline))
574 /* dump graph for pipeline state changes */
576 gchar *dump_name = g_strdup_printf ("gst-launch.%s_%s",
577 gst_element_state_get_name (old),
578 gst_element_state_get_name (new));
579 GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
580 GST_DEBUG_GRAPH_SHOW_ALL, dump_name);
584 /* ignore when we are buffering since then we mess with the states
587 PRINT (_("Prerolled, waiting for buffering to finish...\n"));
591 /* if we reached the final target state, exit */
592 if (target_state == GST_STATE_PAUSED && new == target_state)
595 /* else not an interesting message */
598 case GST_MESSAGE_BUFFERING:{
601 gst_message_parse_buffering (message, &percent);
602 PRINT ("%s %d%% \r", _("buffering..."), percent);
604 /* no state management needed for live pipelines */
608 if (percent == 100) {
609 /* a 100% message means buffering is done */
611 /* if the desired state is playing, go back */
612 if (target_state == GST_STATE_PLAYING) {
613 PRINT (_("Done buffering, setting pipeline to PLAYING ...\n"));
614 gst_element_set_state (pipeline, GST_STATE_PLAYING);
619 if (buffering == FALSE && target_state == GST_STATE_PLAYING) {
620 /* we were not buffering but PLAYING, PAUSE the pipeline. */
621 PRINT (_("Buffering, setting pipeline to PAUSED ...\n"));
622 gst_element_set_state (pipeline, GST_STATE_PAUSED);
628 case GST_MESSAGE_LATENCY:
630 PRINT (_("Redistribute latency...\n"));
631 gst_bin_recalculate_latency (GST_BIN (pipeline));
634 case GST_MESSAGE_REQUEST_STATE:
637 gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));
639 gst_message_parse_request_state (message, &state);
641 PRINT (_("Setting state to %s as requested by %s...\n"),
642 gst_element_state_get_name (state), name);
644 gst_element_set_state (pipeline, state);
649 case GST_MESSAGE_APPLICATION:{
650 const GstStructure *s;
652 s = gst_message_get_structure (message);
654 if (gst_structure_has_name (s, "GstLaunchInterrupt")) {
655 /* this application message is posted when we caught an interrupt and
656 * we need to stop the pipeline. */
657 PRINT (_("Interrupt: Stopping pipeline ...\n"));
663 /* just be quiet by default */
667 gst_message_unref (message);
669 g_assert_not_reached ();
674 gst_message_unref (message);
675 gst_object_unref (bus);
676 #ifndef DISABLE_FAULT_HANDLER
677 g_source_remove (timeout_id);
684 main (int argc, char *argv[])
687 gboolean verbose = FALSE;
688 gboolean no_fault = FALSE;
689 gboolean no_sigusr_handler = FALSE;
690 gboolean trace = FALSE;
691 gboolean eos_on_shutdown = FALSE;
692 gchar *savefile = NULL;
693 gchar *exclude_args = NULL;
694 #ifndef GST_DISABLE_OPTION_PARSING
695 GOptionEntry options[] = {
696 {"tags", 't', 0, G_OPTION_ARG_NONE, &tags,
697 N_("Output tags (also known as metadata)"), NULL},
698 {"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose,
699 N_("Output status information and property notifications"), NULL},
700 {"quiet", 'q', 0, G_OPTION_ARG_NONE, &quiet,
701 N_("Do not print any progress information"), NULL},
702 {"messages", 'm', 0, G_OPTION_ARG_NONE, &messages,
703 N_("Output messages"), NULL},
704 {"exclude", 'X', 0, G_OPTION_ARG_NONE, &exclude_args,
705 N_("Do not output status information of TYPE"), N_("TYPE1,TYPE2,...")},
706 #if !defined(GST_DISABLE_LOADSAVE) && !defined(GST_REMOVE_DEPRECATED)
707 {"output", 'o', 0, G_OPTION_ARG_STRING, &savefile,
708 N_("Save xml representation of pipeline to FILE and exit"), N_("FILE")},
710 {"no-fault", 'f', 0, G_OPTION_ARG_NONE, &no_fault,
711 N_("Do not install a fault handler"), NULL},
712 {"no-sigusr-handler", 'p', 0, G_OPTION_ARG_NONE, &no_sigusr_handler,
713 N_("Do not install signal handlers for SIGUSR1 and SIGUSR2"), NULL},
714 {"trace", 'T', 0, G_OPTION_ARG_NONE, &trace,
715 N_("Print alloc trace (if enabled at compile time)"), NULL},
716 {"eos-on-shutdown", 'e', 0, G_OPTION_ARG_NONE, &eos_on_shutdown,
717 N_("Force EOS on sources before shutting the pipeline down"), NULL},
718 GST_TOOLS_GOPTION_VERSION,
725 GError *error = NULL;
728 free (malloc (8)); /* -lefence */
731 bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
732 bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
733 textdomain (GETTEXT_PACKAGE);
736 g_thread_init (NULL);
738 gst_tools_set_prgname ("gst-launch");
740 #ifndef GST_DISABLE_OPTION_PARSING
741 ctx = g_option_context_new ("PIPELINE-DESCRIPTION");
742 g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
743 g_option_context_add_group (ctx, gst_init_get_option_group ());
744 if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
746 g_printerr ("Error initializing: %s\n", GST_STR_NULL (err->message));
748 g_printerr ("Error initializing: Unknown error!\n");
751 g_option_context_free (ctx);
753 gst_init (&argc, &argv);
756 gst_tools_print_version ("gst-launch");
758 #ifndef DISABLE_FAULT_HANDLER
764 if (!no_sigusr_handler)
765 play_signal_setup ();
769 if (!gst_alloc_trace_available ()) {
770 g_warning ("Trace not available (recompile with trace enabled).");
772 gst_alloc_trace_set_flags_all (GST_ALLOC_TRACE_LIVE |
773 GST_ALLOC_TRACE_MEM_LIVE);
774 gst_alloc_trace_print_live ();
777 /* make a null-terminated version of argv */
778 argvn = g_new0 (char *, argc);
779 memcpy (argvn, argv + 1, sizeof (char *) * (argc - 1));
780 #if !defined(GST_DISABLE_LOADSAVE) && !defined(GST_REMOVE_DEPRECATED)
781 if (strstr (argv[0], "gst-xmllaunch")) {
782 /* FIXME 0.11: remove xmllaunch entirely */
783 g_warning ("gst-xmllaunch is deprecated and broken for all but the most "
784 "simple pipelines. It will most likely be removed in future. Don't "
786 pipeline = xmllaunch_parse_cmdline ((const gchar **) argvn);
791 (GstElement *) gst_parse_launchv ((const gchar **) argvn, &error);
797 g_printerr (_("ERROR: pipeline could not be constructed: %s.\n"),
798 GST_STR_NULL (error->message));
799 g_error_free (error);
801 g_printerr (_("ERROR: pipeline could not be constructed.\n"));
805 g_printerr (_("WARNING: erroneous pipeline: %s\n"),
806 GST_STR_NULL (error->message));
807 g_error_free (error);
812 gchar **exclude_list =
813 exclude_args ? g_strsplit (exclude_args, ",", 0) : NULL;
814 g_signal_connect (pipeline, "deep-notify",
815 G_CALLBACK (gst_object_default_deep_notify), exclude_list);
817 #if !defined(GST_DISABLE_LOADSAVE) && !defined(GST_REMOVE_DEPRECATED)
819 g_warning ("Pipeline serialization to XML is deprecated and broken for "
820 "all but the most simple pipelines. It will most likely be removed "
821 "in future. Don't use it.\n");
823 gst_xml_write_file (GST_ELEMENT (pipeline), fopen (savefile, "w"));
828 GstState state, pending;
829 GstStateChangeReturn ret;
831 /* If the top-level object is not a pipeline, place it in a pipeline. */
832 if (!GST_IS_PIPELINE (pipeline)) {
833 GstElement *real_pipeline = gst_element_factory_make ("pipeline", NULL);
835 if (real_pipeline == NULL) {
836 g_printerr (_("ERROR: the 'pipeline' element wasn't found.\n"));
839 gst_bin_add (GST_BIN (real_pipeline), pipeline);
840 pipeline = real_pipeline;
842 PRINT (_("Setting pipeline to PAUSED ...\n"));
843 ret = gst_element_set_state (pipeline, GST_STATE_PAUSED);
846 case GST_STATE_CHANGE_FAILURE:
847 g_printerr (_("ERROR: Pipeline doesn't want to pause.\n"));
849 event_loop (pipeline, FALSE, GST_STATE_VOID_PENDING);
851 case GST_STATE_CHANGE_NO_PREROLL:
852 PRINT (_("Pipeline is live and does not need PREROLL ...\n"));
855 case GST_STATE_CHANGE_ASYNC:
856 PRINT (_("Pipeline is PREROLLING ...\n"));
857 caught_error = event_loop (pipeline, TRUE, GST_STATE_PAUSED);
859 g_printerr (_("ERROR: pipeline doesn't want to preroll.\n"));
862 state = GST_STATE_PAUSED;
864 case GST_STATE_CHANGE_SUCCESS:
865 PRINT (_("Pipeline is PREROLLED ...\n"));
869 caught_error = event_loop (pipeline, FALSE, GST_STATE_PLAYING);
872 g_printerr (_("ERROR: pipeline doesn't want to preroll.\n"));
874 GstClockTime tfthen, tfnow;
875 GstClockTimeDiff diff;
877 PRINT (_("Setting pipeline to PLAYING ...\n"));
879 if (gst_element_set_state (pipeline,
880 GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) {
884 g_printerr (_("ERROR: pipeline doesn't want to play.\n"));
885 bus = gst_element_get_bus (pipeline);
886 if ((err_msg = gst_bus_poll (bus, GST_MESSAGE_ERROR, 0))) {
887 print_error_message (err_msg);
888 gst_message_unref (err_msg);
890 gst_object_unref (bus);
895 tfthen = gst_util_get_timestamp ();
896 caught_error = event_loop (pipeline, TRUE, GST_STATE_PLAYING);
897 if (eos_on_shutdown && caught_error == ELR_INTERRUPT) {
898 PRINT (_("EOS on shutdown enabled -- Forcing EOS on the pipeline\n"));
900 gst_element_send_event (pipeline, gst_event_new_eos ());
901 PRINT (_("Waiting for EOS...\n"));
902 caught_error = event_loop (pipeline, TRUE, GST_STATE_PLAYING);
904 if (caught_error == ELR_NO_ERROR) {
906 PRINT (_("EOS received - stopping pipeline...\n"));
907 } else if (caught_error == ELR_ERROR) {
908 PRINT (_("An error happened while waiting for EOS\n"));
911 tfnow = gst_util_get_timestamp ();
913 diff = GST_CLOCK_DIFF (tfthen, tfnow);
915 PRINT (_("Execution ended after %" G_GUINT64_FORMAT " ns.\n"), diff);
918 PRINT (_("Setting pipeline to PAUSED ...\n"));
919 gst_element_set_state (pipeline, GST_STATE_PAUSED);
920 if (caught_error == ELR_NO_ERROR)
921 gst_element_get_state (pipeline, &state, &pending, GST_CLOCK_TIME_NONE);
923 /* iterate mainloop to process pending stuff */
924 while (g_main_context_iteration (NULL, FALSE));
926 PRINT (_("Setting pipeline to READY ...\n"));
927 gst_element_set_state (pipeline, GST_STATE_READY);
928 gst_element_get_state (pipeline, &state, &pending, GST_CLOCK_TIME_NONE);
931 PRINT (_("Setting pipeline to NULL ...\n"));
932 gst_element_set_state (pipeline, GST_STATE_NULL);
933 gst_element_get_state (pipeline, &state, &pending, GST_CLOCK_TIME_NONE);
936 PRINT (_("Freeing pipeline ...\n"));
937 gst_object_unref (pipeline);
941 gst_alloc_trace_print_live ();