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., 51 Franklin St, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
36 #include <glib-unix.h>
39 #include <locale.h> /* for LC_ALL */
42 extern volatile gboolean glib_on_error_halt;
45 static void fault_restore (void);
46 static void fault_spin (void);
49 /* event_loop return codes */
50 typedef enum _EventLoopResult
57 static GstElement *pipeline;
58 static EventLoopResult caught_error = ELR_NO_ERROR;
59 static gboolean quiet = FALSE;
60 static gboolean tags = FALSE;
61 static gboolean toc = FALSE;
62 static gboolean messages = FALSE;
63 static gboolean is_live = FALSE;
64 static gboolean waiting_eos = FALSE;
66 /* convenience macro so we don't have to litter the code with if(!quiet) */
67 #define PRINT if(!quiet)g_print
71 fault_handler_sighandler (int signum)
75 /* printf is used instead of g_print(), since it's less likely to
79 fprintf (stderr, "Caught SIGSEGV\n");
83 printf ("Caught SIGQUIT\n");
86 fprintf (stderr, "signo: %d\n", signum);
98 glib_on_error_halt = FALSE;
99 g_on_error_stack_trace ("gst-launch-" GST_API_VERSION);
103 /* FIXME how do we know if we were run by libtool? */
105 "Spinning. Please run 'gdb gst-launch-" GST_API_VERSION " %d' to "
106 "continue debugging, Ctrl-C to quit, or Ctrl-\\ to dump core.\n",
115 struct sigaction action;
117 memset (&action, 0, sizeof (action));
118 action.sa_handler = SIG_DFL;
120 sigaction (SIGSEGV, &action, NULL);
121 sigaction (SIGQUIT, &action, NULL);
127 struct sigaction action;
129 memset (&action, 0, sizeof (action));
130 action.sa_handler = fault_handler_sighandler;
132 sigaction (SIGSEGV, &action, NULL);
133 sigaction (SIGQUIT, &action, NULL);
135 #endif /* G_OS_UNIX */
138 typedef struct _GstIndexStats
146 GstClockTime last_keyframe;
147 GstClockTime last_dltframe;
148 GstClockTime min_keyframe_gap;
149 GstClockTime max_keyframe_gap;
150 GstClockTime avg_keyframe_gap;
154 entry_added (GstIndex * index, GstIndexEntry * entry, gpointer user_data)
156 GPtrArray *index_stats = (GPtrArray *) user_data;
159 switch (entry->type) {
160 case GST_INDEX_ENTRY_ID:
161 /* we have a new writer */
162 GST_DEBUG_OBJECT (index, "id %d: describes writer %s", entry->id,
163 GST_INDEX_ID_DESCRIPTION (entry));
164 if (entry->id >= index_stats->len) {
165 g_ptr_array_set_size (index_stats, entry->id + 1);
167 s = g_new (GstIndexStats, 1);
169 s->desc = g_strdup (GST_INDEX_ID_DESCRIPTION (entry));
170 s->num_frames = s->num_keyframes = s->num_dltframes = 0;
171 s->last_keyframe = s->last_dltframe = GST_CLOCK_TIME_NONE;
172 s->min_keyframe_gap = s->max_keyframe_gap = s->avg_keyframe_gap =
174 g_ptr_array_index (index_stats, entry->id) = s;
176 case GST_INDEX_ENTRY_FORMAT:
177 /* have not found any code calling this */
178 GST_DEBUG_OBJECT (index, "id %d: registered format %d for %s\n",
179 entry->id, GST_INDEX_FORMAT_FORMAT (entry),
180 GST_INDEX_FORMAT_KEY (entry));
182 case GST_INDEX_ENTRY_ASSOCIATION:
185 GstAssocFlags flags = GST_INDEX_ASSOC_FLAGS (entry);
187 s = g_ptr_array_index (index_stats, entry->id);
188 gst_index_entry_assoc_map (entry, GST_FORMAT_TIME, &ts);
190 if (flags & GST_ASSOCIATION_FLAG_KEY_UNIT) {
193 if (GST_CLOCK_TIME_IS_VALID (ts)) {
194 if (GST_CLOCK_TIME_IS_VALID (s->last_keyframe)) {
195 GstClockTimeDiff d = GST_CLOCK_DIFF (s->last_keyframe, ts);
197 if (G_UNLIKELY (d < 0)) {
198 GST_WARNING ("received out-of-order keyframe at %"
199 GST_TIME_FORMAT, GST_TIME_ARGS (ts));
200 /* FIXME: does it still make sense to use that for the statistics */
201 d = GST_CLOCK_DIFF (ts, s->last_keyframe);
204 if (GST_CLOCK_TIME_IS_VALID (s->min_keyframe_gap)) {
205 if (d < s->min_keyframe_gap)
206 s->min_keyframe_gap = d;
208 s->min_keyframe_gap = d;
210 if (GST_CLOCK_TIME_IS_VALID (s->max_keyframe_gap)) {
211 if (d > s->max_keyframe_gap)
212 s->max_keyframe_gap = d;
214 s->max_keyframe_gap = d;
216 if (GST_CLOCK_TIME_IS_VALID (s->avg_keyframe_gap)) {
217 s->avg_keyframe_gap = (d + s->num_frames * s->avg_keyframe_gap) /
220 s->avg_keyframe_gap = d;
223 s->last_keyframe = ts;
226 if (flags & GST_ASSOCIATION_FLAG_DELTA_UNIT) {
228 if (GST_CLOCK_TIME_IS_VALID (ts)) {
229 s->last_dltframe = ts;
241 /* print statistics from the entry_added callback, free the entries */
243 print_index_stats (GPtrArray * index_stats)
247 if (index_stats->len) {
248 g_print ("%s:\n", _("Index statistics"));
251 for (i = 0; i < index_stats->len; i++) {
252 GstIndexStats *s = g_ptr_array_index (index_stats, i);
254 g_print ("id %d, %s\n", s->id, s->desc);
256 GstClockTime last_frame = s->last_keyframe;
258 if (GST_CLOCK_TIME_IS_VALID (s->last_dltframe)) {
259 if (!GST_CLOCK_TIME_IS_VALID (last_frame) ||
260 (s->last_dltframe > last_frame))
261 last_frame = s->last_dltframe;
264 if (GST_CLOCK_TIME_IS_VALID (last_frame)) {
265 g_print (" total time = %" GST_TIME_FORMAT "\n",
266 GST_TIME_ARGS (last_frame));
268 g_print (" frame/keyframe rate = %u / %u = ", s->num_frames,
270 if (s->num_keyframes)
271 g_print ("%lf\n", s->num_frames / (gdouble) s->num_keyframes);
274 if (s->num_keyframes) {
275 g_print (" min/avg/max keyframe gap = %" GST_TIME_FORMAT ", %"
276 GST_TIME_FORMAT ", %" GST_TIME_FORMAT "\n",
277 GST_TIME_ARGS (s->min_keyframe_gap),
278 GST_TIME_ARGS (s->avg_keyframe_gap),
279 GST_TIME_ARGS (s->max_keyframe_gap));
282 g_print (" no stats\n");
292 /* Kids, use the functions from libgstpbutils in gst-plugins-base in your
293 * own code (we can't do that here because it would introduce a circular
296 gst_is_missing_plugin_message (GstMessage * msg)
298 if (GST_MESSAGE_TYPE (msg) != GST_MESSAGE_ELEMENT
299 || gst_message_get_structure (msg) == NULL)
302 return gst_structure_has_name (gst_message_get_structure (msg),
307 gst_missing_plugin_message_get_description (GstMessage * msg)
309 return gst_structure_get_string (gst_message_get_structure (msg), "name");
313 print_error_message (GstMessage * msg)
316 gchar *name, *debug = NULL;
318 name = gst_object_get_path_string (msg->src);
319 gst_message_parse_error (msg, &err, &debug);
321 g_printerr (_("ERROR: from element %s: %s\n"), name, err->message);
323 g_printerr (_("Additional debug info:\n%s\n"), debug);
331 print_tag (const GstTagList * list, const gchar * tag, gpointer unused)
335 count = gst_tag_list_get_tag_size (list, tag);
337 for (i = 0; i < count; i++) {
340 if (gst_tag_get_type (tag) == G_TYPE_STRING) {
341 if (!gst_tag_list_get_string_index (list, tag, i, &str)) {
342 g_warning ("Couldn't fetch string for %s tag", tag);
343 g_assert_not_reached ();
345 } else if (gst_tag_get_type (tag) == GST_TYPE_SAMPLE) {
346 GstSample *sample = NULL;
348 if (gst_tag_list_get_sample_index (list, tag, i, &sample)) {
349 GstBuffer *img = gst_sample_get_buffer (sample);
350 GstCaps *caps = gst_sample_get_caps (sample);
356 caps_str = gst_caps_to_string (caps);
357 str = g_strdup_printf ("buffer of %" G_GSIZE_FORMAT " bytes, "
358 "type: %s", gst_buffer_get_size (img), caps_str);
361 str = g_strdup_printf ("buffer of %" G_GSIZE_FORMAT " bytes",
362 gst_buffer_get_size (img));
365 str = g_strdup ("NULL buffer");
368 g_warning ("Couldn't fetch sample for %s tag", tag);
369 g_assert_not_reached ();
371 } else if (gst_tag_get_type (tag) == GST_TYPE_DATE_TIME) {
372 GstDateTime *dt = NULL;
374 gst_tag_list_get_date_time_index (list, tag, i, &dt);
375 if (!gst_date_time_has_time (dt)) {
376 str = gst_date_time_to_iso8601_string (dt);
378 gdouble tz_offset = gst_date_time_get_time_zone_offset (dt);
381 if (tz_offset != 0.0) {
382 g_snprintf (tz_str, sizeof (tz_str), "(UTC %s%gh)",
383 (tz_offset > 0.0) ? "+" : "", tz_offset);
385 g_snprintf (tz_str, sizeof (tz_str), "(UTC)");
388 str = g_strdup_printf ("%04u-%02u-%02u %02u:%02u:%02u %s",
389 gst_date_time_get_year (dt), gst_date_time_get_month (dt),
390 gst_date_time_get_day (dt), gst_date_time_get_hour (dt),
391 gst_date_time_get_minute (dt), gst_date_time_get_second (dt),
394 gst_date_time_unref (dt);
397 g_strdup_value_contents (gst_tag_list_get_value_index (list, tag, i));
401 PRINT ("%16s: %s\n", i == 0 ? gst_tag_get_nick (tag) : "", str);
408 print_tag_foreach (const GstTagList * tags, const gchar * tag,
413 gint depth = GPOINTER_TO_INT (user_data);
415 gst_tag_list_copy_value (&val, tags, tag);
417 if (G_VALUE_HOLDS_STRING (&val))
418 str = g_value_dup_string (&val);
420 str = gst_value_serialize (&val);
422 g_print ("%*s%s: %s\n", 2 * depth, " ", gst_tag_get_nick (tag), str);
425 g_value_unset (&val);
428 #define MAX_INDENT 40
431 print_toc_entry (gpointer data, gpointer user_data)
433 GstTocEntry *entry = (GstTocEntry *) data;
434 const gchar spc[MAX_INDENT + 1] = " ";
435 guint indent = MIN (GPOINTER_TO_UINT (user_data), MAX_INDENT);
436 const GstTagList *tags;
440 gst_toc_entry_get_start_stop_times (entry, &start, &stop);
442 PRINT ("%s%s:", &spc[MAX_INDENT - indent],
443 gst_toc_entry_type_get_nick (gst_toc_entry_get_entry_type (entry)));
444 if (GST_CLOCK_TIME_IS_VALID (start)) {
445 PRINT (" start: %" GST_TIME_FORMAT, GST_TIME_ARGS (start));
447 if (GST_CLOCK_TIME_IS_VALID (stop)) {
448 PRINT (" stop: %" GST_TIME_FORMAT, GST_TIME_ARGS (stop));
454 tags = gst_toc_entry_get_tags (entry);
456 gst_tag_list_foreach (tags, print_tag_foreach, GUINT_TO_POINTER (indent));
458 /* loop over sub-toc entries */
459 subentries = gst_toc_entry_get_sub_entries (entry);
460 g_list_foreach (subentries, print_toc_entry, GUINT_TO_POINTER (indent));
464 static guint signal_watch_id;
468 /* As the interrupt handler is dispatched from GMainContext as a GSourceFunc
469 * handler, we can react to this by posting a message. */
471 intr_handler (gpointer user_data)
473 GstElement *pipeline = (GstElement *) user_data;
475 PRINT ("handling interrupt.\n");
477 /* post an application specific message */
478 gst_element_post_message (GST_ELEMENT (pipeline),
479 gst_message_new_application (GST_OBJECT (pipeline),
480 gst_structure_new ("GstLaunchInterrupt",
481 "message", G_TYPE_STRING, "Pipeline interrupted", NULL)));
483 /* remove signal handler */
488 #endif /* G_OS_UNIX */
490 /* returns ELR_ERROR if there was an error
491 * or ELR_INTERRUPT if we caught a keyboard interrupt
492 * or ELR_NO_ERROR otherwise. */
493 static EventLoopResult
494 event_loop (GstElement * pipeline, gboolean blocking, gboolean do_progress,
495 GstState target_state)
498 GstMessage *message = NULL;
499 EventLoopResult res = ELR_NO_ERROR;
500 gboolean buffering = FALSE, in_progress = FALSE;
501 gboolean prerolled = target_state != GST_STATE_PAUSED;
503 bus = gst_element_get_bus (GST_ELEMENT (pipeline));
507 g_unix_signal_add (SIGINT, (GSourceFunc) intr_handler, pipeline);
511 message = gst_bus_poll (bus, GST_MESSAGE_ANY, blocking ? -1 : 0);
513 /* if the poll timed out, only when !blocking */
517 /* check if we need to dump messages to the console */
520 const GstStructure *s;
523 seqnum = gst_message_get_seqnum (message);
525 s = gst_message_get_structure (message);
527 src_obj = GST_MESSAGE_SRC (message);
529 if (GST_IS_ELEMENT (src_obj)) {
530 PRINT (_("Got message #%u from element \"%s\" (%s): "),
531 (guint) seqnum, GST_ELEMENT_NAME (src_obj),
532 GST_MESSAGE_TYPE_NAME (message));
533 } else if (GST_IS_PAD (src_obj)) {
534 PRINT (_("Got message #%u from pad \"%s:%s\" (%s): "),
535 (guint) seqnum, GST_DEBUG_PAD_NAME (src_obj),
536 GST_MESSAGE_TYPE_NAME (message));
537 } else if (GST_IS_OBJECT (src_obj)) {
538 PRINT (_("Got message #%u from object \"%s\" (%s): "),
539 (guint) seqnum, GST_OBJECT_NAME (src_obj),
540 GST_MESSAGE_TYPE_NAME (message));
542 PRINT (_("Got message #%u (%s): "), (guint) seqnum,
543 GST_MESSAGE_TYPE_NAME (message));
549 sstr = gst_structure_to_string (s);
550 PRINT ("%s\n", sstr);
553 PRINT ("no message details\n");
557 switch (GST_MESSAGE_TYPE (message)) {
558 case GST_MESSAGE_NEW_CLOCK:
562 gst_message_parse_new_clock (message, &clock);
564 PRINT ("New clock: %s\n", (clock ? GST_OBJECT_NAME (clock) : "NULL"));
567 case GST_MESSAGE_CLOCK_LOST:
568 PRINT ("Clock lost, selecting a new one\n");
569 gst_element_set_state (pipeline, GST_STATE_PAUSED);
570 gst_element_set_state (pipeline, GST_STATE_PLAYING);
572 case GST_MESSAGE_EOS:{
574 PRINT (_("Got EOS from element \"%s\".\n"),
575 GST_MESSAGE_SRC_NAME (message));
578 case GST_MESSAGE_TAG:
580 GstTagList *tag_list;
582 if (GST_IS_ELEMENT (GST_MESSAGE_SRC (message))) {
583 PRINT (_("FOUND TAG : found by element \"%s\".\n"),
584 GST_MESSAGE_SRC_NAME (message));
585 } else if (GST_IS_PAD (GST_MESSAGE_SRC (message))) {
586 PRINT (_("FOUND TAG : found by pad \"%s:%s\".\n"),
587 GST_DEBUG_PAD_NAME (GST_MESSAGE_SRC (message)));
588 } else if (GST_IS_OBJECT (GST_MESSAGE_SRC (message))) {
589 PRINT (_("FOUND TAG : found by object \"%s\".\n"),
590 GST_MESSAGE_SRC_NAME (message));
592 PRINT (_("FOUND TAG\n"));
595 gst_message_parse_tag (message, &tag_list);
596 gst_tag_list_foreach (tag_list, print_tag, NULL);
597 gst_tag_list_unref (tag_list);
600 case GST_MESSAGE_TOC:
606 if (GST_IS_ELEMENT (GST_MESSAGE_SRC (message))) {
607 PRINT (_("FOUND TOC : found by element \"%s\".\n"),
608 GST_MESSAGE_SRC_NAME (message));
609 } else if (GST_IS_OBJECT (GST_MESSAGE_SRC (message))) {
610 PRINT (_("FOUND TOC : found by object \"%s\".\n"),
611 GST_MESSAGE_SRC_NAME (message));
613 PRINT (_("FOUND TOC\n"));
616 gst_message_parse_toc (message, &toc, &updated);
617 /* recursively loop over toc entries */
618 entries = gst_toc_get_entries (toc);
619 g_list_foreach (entries, print_toc_entry, GUINT_TO_POINTER (0));
623 case GST_MESSAGE_INFO:{
626 gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));
628 gst_message_parse_info (message, &gerror, &debug);
630 PRINT (_("INFO:\n%s\n"), debug);
632 g_error_free (gerror);
637 case GST_MESSAGE_WARNING:{
640 gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));
642 /* dump graph on warning */
643 GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
644 GST_DEBUG_GRAPH_SHOW_ALL, "gst-launch.warning");
646 gst_message_parse_warning (message, &gerror, &debug);
647 PRINT (_("WARNING: from element %s: %s\n"), name, gerror->message);
649 PRINT (_("Additional debug info:\n%s\n"), debug);
651 g_error_free (gerror);
656 case GST_MESSAGE_ERROR:{
657 /* dump graph on error */
658 GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
659 GST_DEBUG_GRAPH_SHOW_ALL, "gst-launch.error");
661 print_error_message (message);
663 /* we have an error */
667 case GST_MESSAGE_STATE_CHANGED:{
668 GstState old, new, pending;
670 /* we only care about pipeline state change messages */
671 if (GST_MESSAGE_SRC (message) != GST_OBJECT_CAST (pipeline))
674 gst_message_parse_state_changed (message, &old, &new, &pending);
676 /* if we reached the final target state, exit */
677 if (target_state == GST_STATE_PAUSED && new == target_state) {
679 /* ignore when we are buffering since then we mess with the states
682 PRINT (_("Prerolled, waiting for buffering to finish...\n"));
686 PRINT (_("Prerolled, waiting for progress to finish...\n"));
691 /* else not an interesting message */
694 case GST_MESSAGE_BUFFERING:{
697 gst_message_parse_buffering (message, &percent);
698 PRINT ("%s %d%% \r", _("buffering..."), percent);
700 /* no state management needed for live pipelines */
704 if (percent == 100) {
705 /* a 100% message means buffering is done */
707 /* if the desired state is playing, go back */
708 if (target_state == GST_STATE_PLAYING) {
709 PRINT (_("Done buffering, setting pipeline to PLAYING ...\n"));
710 gst_element_set_state (pipeline, GST_STATE_PLAYING);
711 } else if (prerolled && !in_progress)
715 if (buffering == FALSE && target_state == GST_STATE_PLAYING) {
716 /* we were not buffering but PLAYING, PAUSE the pipeline. */
717 PRINT (_("Buffering, setting pipeline to PAUSED ...\n"));
718 gst_element_set_state (pipeline, GST_STATE_PAUSED);
724 case GST_MESSAGE_LATENCY:
726 PRINT (_("Redistribute latency...\n"));
727 gst_bin_recalculate_latency (GST_BIN (pipeline));
730 case GST_MESSAGE_REQUEST_STATE:
733 gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));
735 gst_message_parse_request_state (message, &state);
737 PRINT (_("Setting state to %s as requested by %s...\n"),
738 gst_element_state_get_name (state), name);
740 gst_element_set_state (pipeline, state);
745 case GST_MESSAGE_APPLICATION:{
746 const GstStructure *s;
748 s = gst_message_get_structure (message);
750 if (gst_structure_has_name (s, "GstLaunchInterrupt")) {
751 /* this application message is posted when we caught an interrupt and
752 * we need to stop the pipeline. */
753 PRINT (_("Interrupt: Stopping pipeline ...\n"));
759 case GST_MESSAGE_PROGRESS:
761 GstProgressType type;
764 gst_message_parse_progress (message, &type, &code, &text);
767 case GST_PROGRESS_TYPE_START:
768 case GST_PROGRESS_TYPE_CONTINUE:
774 case GST_PROGRESS_TYPE_COMPLETE:
775 case GST_PROGRESS_TYPE_CANCELED:
776 case GST_PROGRESS_TYPE_ERROR:
782 PRINT (_("Progress: (%s) %s\n"), code, text);
786 if (do_progress && !in_progress && !buffering && prerolled)
790 case GST_MESSAGE_ELEMENT:{
791 if (gst_is_missing_plugin_message (message)) {
794 desc = gst_missing_plugin_message_get_description (message);
795 PRINT (_("Missing element: %s\n"), desc ? desc : "(no description)");
799 case GST_MESSAGE_HAVE_CONTEXT:{
801 const gchar *context_type;
804 gst_message_parse_have_context (message, &context);
806 context_type = gst_context_get_context_type (context);
808 gst_structure_to_string (gst_context_get_structure (context));
809 PRINT (_("Got context from element '%s': %s=%s\n"),
810 GST_ELEMENT_NAME (GST_MESSAGE_SRC (message)), context_type,
812 g_free (context_str);
813 gst_context_unref (context);
817 /* just be quiet by default */
821 gst_message_unref (message);
823 g_assert_not_reached ();
828 gst_message_unref (message);
829 gst_object_unref (bus);
831 if (signal_watch_id > 0)
832 g_source_remove (signal_watch_id);
838 static GstBusSyncReply
839 bus_sync_handler (GstBus * bus, GstMessage * message, gpointer data)
841 GstElement *pipeline = (GstElement *) data;
843 switch (GST_MESSAGE_TYPE (message)) {
844 case GST_MESSAGE_STATE_CHANGED:
845 /* we only care about pipeline state change messages */
846 if (GST_MESSAGE_SRC (message) == GST_OBJECT_CAST (pipeline)) {
847 GstState old, new, pending;
848 gchar *state_transition_name;
850 gst_message_parse_state_changed (message, &old, &new, &pending);
852 state_transition_name = g_strdup_printf ("%s_%s",
853 gst_element_state_get_name (old), gst_element_state_get_name (new));
855 /* dump graph for (some) pipeline state changes */
857 gchar *dump_name = g_strconcat ("gst-launch.", state_transition_name,
859 GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
860 GST_DEBUG_GRAPH_SHOW_ALL, dump_name);
864 /* place a marker into e.g. strace logs */
866 gchar *access_name = g_strconcat (g_get_tmp_dir (), G_DIR_SEPARATOR_S,
867 "gst-launch", G_DIR_SEPARATOR_S, state_transition_name, NULL);
868 g_file_test (access_name, G_FILE_TEST_EXISTS);
869 g_free (access_name);
872 g_free (state_transition_name);
882 main (int argc, char *argv[])
885 gboolean verbose = FALSE;
886 gboolean no_fault = FALSE;
887 gboolean eos_on_shutdown = FALSE;
889 gboolean check_index = FALSE;
891 gchar *savefile = NULL;
892 gchar *exclude_args = NULL;
893 #ifndef GST_DISABLE_OPTION_PARSING
894 GOptionEntry options[] = {
895 {"tags", 't', 0, G_OPTION_ARG_NONE, &tags,
896 N_("Output tags (also known as metadata)"), NULL},
897 {"toc", 'c', 0, G_OPTION_ARG_NONE, &toc,
898 N_("Output TOC (chapters and editions)"), NULL},
899 {"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose,
900 N_("Output status information and property notifications"), NULL},
901 {"quiet", 'q', 0, G_OPTION_ARG_NONE, &quiet,
902 N_("Do not print any progress information"), NULL},
903 {"messages", 'm', 0, G_OPTION_ARG_NONE, &messages,
904 N_("Output messages"), NULL},
905 {"exclude", 'X', 0, G_OPTION_ARG_NONE, &exclude_args,
906 N_("Do not output status information of TYPE"), N_("TYPE1,TYPE2,...")},
907 {"no-fault", 'f', 0, G_OPTION_ARG_NONE, &no_fault,
908 N_("Do not install a fault handler"), NULL},
909 {"eos-on-shutdown", 'e', 0, G_OPTION_ARG_NONE, &eos_on_shutdown,
910 N_("Force EOS on sources before shutting the pipeline down"), NULL},
912 {"index", 'i', 0, G_OPTION_ARG_NONE, &check_index,
913 N_("Gather and print index statistics"), NULL},
915 GST_TOOLS_GOPTION_VERSION,
923 GPtrArray *index_stats = NULL;
926 GError *error = NULL;
927 gulong deep_notify_id = 0;
930 free (malloc (8)); /* -lefence */
933 bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
934 bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
935 textdomain (GETTEXT_PACKAGE);
938 g_set_prgname ("gst-launch-" GST_API_VERSION);
940 #ifndef GST_DISABLE_OPTION_PARSING
941 ctx = g_option_context_new ("PIPELINE-DESCRIPTION");
942 g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
943 g_option_context_add_group (ctx, gst_init_get_option_group ());
944 if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
946 g_printerr ("Error initializing: %s\n", GST_STR_NULL (err->message));
948 g_printerr ("Error initializing: Unknown error!\n");
951 g_option_context_free (ctx);
953 gst_init (&argc, &argv);
956 gst_tools_print_version ();
963 /* make a null-terminated version of argv */
964 argvn = g_new0 (char *, argc);
965 memcpy (argvn, argv + 1, sizeof (char *) * (argc - 1));
968 (GstElement *) gst_parse_launchv ((const gchar **) argvn, &error);
974 g_printerr (_("ERROR: pipeline could not be constructed: %s.\n"),
975 GST_STR_NULL (error->message));
976 g_error_free (error);
978 g_printerr (_("ERROR: pipeline could not be constructed.\n"));
982 g_printerr (_("WARNING: erroneous pipeline: %s\n"),
983 GST_STR_NULL (error->message));
984 g_error_free (error);
989 gchar **exclude_list =
990 exclude_args ? g_strsplit (exclude_args, ",", 0) : NULL;
991 deep_notify_id = g_signal_connect (pipeline, "deep-notify",
992 G_CALLBACK (gst_object_default_deep_notify), exclude_list);
996 GstState state, pending;
997 GstStateChangeReturn ret;
1000 /* If the top-level object is not a pipeline, place it in a pipeline. */
1001 if (!GST_IS_PIPELINE (pipeline)) {
1002 GstElement *real_pipeline = gst_element_factory_make ("pipeline", NULL);
1004 if (real_pipeline == NULL) {
1005 g_printerr (_("ERROR: the 'pipeline' element wasn't found.\n"));
1008 gst_bin_add (GST_BIN (real_pipeline), pipeline);
1009 pipeline = real_pipeline;
1013 /* gst_index_new() creates a null-index, it does not store anything, but
1014 * the entry-added signal works and this is what we use to build the
1016 index = gst_index_new ();
1018 index_stats = g_ptr_array_new ();
1019 g_signal_connect (G_OBJECT (index), "entry-added",
1020 G_CALLBACK (entry_added), index_stats);
1021 g_object_set (G_OBJECT (index), "resolver", GST_INDEX_RESOLVER_GTYPE,
1023 gst_element_set_index (pipeline, index);
1028 bus = gst_element_get_bus (pipeline);
1029 gst_bus_set_sync_handler (bus, bus_sync_handler, (gpointer) pipeline, NULL);
1030 gst_object_unref (bus);
1032 PRINT (_("Setting pipeline to PAUSED ...\n"));
1033 ret = gst_element_set_state (pipeline, GST_STATE_PAUSED);
1036 case GST_STATE_CHANGE_FAILURE:
1037 g_printerr (_("ERROR: Pipeline doesn't want to pause.\n"));
1039 event_loop (pipeline, FALSE, FALSE, GST_STATE_VOID_PENDING);
1041 case GST_STATE_CHANGE_NO_PREROLL:
1042 PRINT (_("Pipeline is live and does not need PREROLL ...\n"));
1045 case GST_STATE_CHANGE_ASYNC:
1046 PRINT (_("Pipeline is PREROLLING ...\n"));
1047 caught_error = event_loop (pipeline, TRUE, TRUE, GST_STATE_PAUSED);
1049 g_printerr (_("ERROR: pipeline doesn't want to preroll.\n"));
1053 state = GST_STATE_PAUSED;
1055 case GST_STATE_CHANGE_SUCCESS:
1056 PRINT (_("Pipeline is PREROLLED ...\n"));
1060 caught_error = event_loop (pipeline, FALSE, TRUE, GST_STATE_PLAYING);
1063 g_printerr (_("ERROR: pipeline doesn't want to preroll.\n"));
1066 GstClockTime tfthen, tfnow;
1067 GstClockTimeDiff diff;
1069 PRINT (_("Setting pipeline to PLAYING ...\n"));
1071 if (gst_element_set_state (pipeline,
1072 GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) {
1073 GstMessage *err_msg;
1076 g_printerr (_("ERROR: pipeline doesn't want to play.\n"));
1077 bus = gst_element_get_bus (pipeline);
1078 if ((err_msg = gst_bus_poll (bus, GST_MESSAGE_ERROR, 0))) {
1079 print_error_message (err_msg);
1080 gst_message_unref (err_msg);
1082 gst_object_unref (bus);
1087 tfthen = gst_util_get_timestamp ();
1088 caught_error = event_loop (pipeline, TRUE, FALSE, GST_STATE_PLAYING);
1089 if (eos_on_shutdown && caught_error != ELR_NO_ERROR) {
1090 gboolean ignore_errors;
1093 if (caught_error == ELR_INTERRUPT) {
1094 PRINT (_("EOS on shutdown enabled -- Forcing EOS on the pipeline\n"));
1095 gst_element_send_event (pipeline, gst_event_new_eos ());
1096 ignore_errors = FALSE;
1098 PRINT (_("EOS on shutdown enabled -- waiting for EOS after Error\n"));
1099 ignore_errors = TRUE;
1101 PRINT (_("Waiting for EOS...\n"));
1104 caught_error = event_loop (pipeline, TRUE, FALSE, GST_STATE_PLAYING);
1106 if (caught_error == ELR_NO_ERROR) {
1108 PRINT (_("EOS received - stopping pipeline...\n"));
1110 } else if (caught_error == ELR_INTERRUPT) {
1112 ("Interrupt while waiting for EOS - stopping pipeline...\n"));
1115 } else if (caught_error == ELR_ERROR) {
1116 if (!ignore_errors) {
1117 PRINT (_("An error happened while waiting for EOS\n"));
1124 tfnow = gst_util_get_timestamp ();
1126 diff = GST_CLOCK_DIFF (tfthen, tfnow);
1128 PRINT (_("Execution ended after %" GST_TIME_FORMAT "\n"),
1129 GST_TIME_ARGS (diff));
1132 PRINT (_("Setting pipeline to PAUSED ...\n"));
1133 gst_element_set_state (pipeline, GST_STATE_PAUSED);
1134 if (caught_error == ELR_NO_ERROR)
1135 gst_element_get_state (pipeline, &state, &pending, GST_CLOCK_TIME_NONE);
1137 /* iterate mainloop to process pending stuff */
1138 while (g_main_context_iteration (NULL, FALSE));
1140 /* No need to see all those pad caps going to NULL etc., it's just noise */
1141 if (deep_notify_id != 0)
1142 g_signal_handler_disconnect (pipeline, deep_notify_id);
1144 PRINT (_("Setting pipeline to READY ...\n"));
1145 gst_element_set_state (pipeline, GST_STATE_READY);
1146 gst_element_get_state (pipeline, &state, &pending, GST_CLOCK_TIME_NONE);
1150 print_index_stats (index_stats);
1151 g_ptr_array_free (index_stats, TRUE);
1156 PRINT (_("Setting pipeline to NULL ...\n"));
1157 gst_element_set_state (pipeline, GST_STATE_NULL);
1160 PRINT (_("Freeing pipeline ...\n"));
1161 gst_object_unref (pipeline);