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>
38 #elif defined (G_OS_WIN32)
39 #define WIN32_LEAN_AND_MEAN
42 #include <locale.h> /* for LC_ALL */
45 extern volatile gboolean glib_on_error_halt;
48 static void fault_restore (void);
49 static void fault_spin (void);
52 /* event_loop return codes */
53 typedef enum _EventLoopResult
60 static GstElement *pipeline;
61 static EventLoopResult caught_error = ELR_NO_ERROR;
62 static gboolean quiet = FALSE;
63 static gboolean tags = FALSE;
64 static gboolean toc = FALSE;
65 static gboolean messages = FALSE;
66 static gboolean is_live = FALSE;
67 static gboolean waiting_eos = FALSE;
68 static gchar **exclude_args = NULL;
70 /* convenience macro so we don't have to litter the code with if(!quiet) */
71 #define PRINT if(!quiet)g_print
75 fault_handler_sighandler (int signum)
79 /* printf is used instead of g_print(), since it's less likely to
83 fprintf (stderr, "Caught SIGSEGV\n");
87 printf ("Caught SIGQUIT\n");
90 fprintf (stderr, "signo: %d\n", signum);
102 glib_on_error_halt = FALSE;
103 g_on_error_stack_trace ("gst-launch-" GST_API_VERSION);
107 /* FIXME how do we know if we were run by libtool? */
109 "Spinning. Please run 'gdb gst-launch-" GST_API_VERSION " %d' to "
110 "continue debugging, Ctrl-C to quit, or Ctrl-\\ to dump core.\n",
119 struct sigaction action;
121 memset (&action, 0, sizeof (action));
122 action.sa_handler = SIG_DFL;
124 sigaction (SIGSEGV, &action, NULL);
125 sigaction (SIGQUIT, &action, NULL);
131 struct sigaction action;
133 memset (&action, 0, sizeof (action));
134 action.sa_handler = fault_handler_sighandler;
136 sigaction (SIGSEGV, &action, NULL);
137 sigaction (SIGQUIT, &action, NULL);
139 #endif /* G_OS_UNIX */
142 typedef struct _GstIndexStats
150 GstClockTime last_keyframe;
151 GstClockTime last_dltframe;
152 GstClockTime min_keyframe_gap;
153 GstClockTime max_keyframe_gap;
154 GstClockTime avg_keyframe_gap;
158 entry_added (GstIndex * index, GstIndexEntry * entry, gpointer user_data)
160 GPtrArray *index_stats = (GPtrArray *) user_data;
163 switch (entry->type) {
164 case GST_INDEX_ENTRY_ID:
165 /* we have a new writer */
166 GST_DEBUG_OBJECT (index, "id %d: describes writer %s", entry->id,
167 GST_INDEX_ID_DESCRIPTION (entry));
168 if (entry->id >= index_stats->len) {
169 g_ptr_array_set_size (index_stats, entry->id + 1);
171 s = g_new (GstIndexStats, 1);
173 s->desc = g_strdup (GST_INDEX_ID_DESCRIPTION (entry));
174 s->num_frames = s->num_keyframes = s->num_dltframes = 0;
175 s->last_keyframe = s->last_dltframe = GST_CLOCK_TIME_NONE;
176 s->min_keyframe_gap = s->max_keyframe_gap = s->avg_keyframe_gap =
178 g_ptr_array_index (index_stats, entry->id) = s;
180 case GST_INDEX_ENTRY_FORMAT:
181 /* have not found any code calling this */
182 GST_DEBUG_OBJECT (index, "id %d: registered format %d for %s\n",
183 entry->id, GST_INDEX_FORMAT_FORMAT (entry),
184 GST_INDEX_FORMAT_KEY (entry));
186 case GST_INDEX_ENTRY_ASSOCIATION:
189 GstAssocFlags flags = GST_INDEX_ASSOC_FLAGS (entry);
191 s = g_ptr_array_index (index_stats, entry->id);
192 gst_index_entry_assoc_map (entry, GST_FORMAT_TIME, &ts);
194 if (flags & GST_ASSOCIATION_FLAG_KEY_UNIT) {
197 if (GST_CLOCK_TIME_IS_VALID (ts)) {
198 if (GST_CLOCK_TIME_IS_VALID (s->last_keyframe)) {
199 GstClockTimeDiff d = GST_CLOCK_DIFF (s->last_keyframe, ts);
201 if (G_UNLIKELY (d < 0)) {
202 GST_WARNING ("received out-of-order keyframe at %"
203 GST_TIME_FORMAT, GST_TIME_ARGS (ts));
204 /* FIXME: does it still make sense to use that for the statistics */
205 d = GST_CLOCK_DIFF (ts, s->last_keyframe);
208 if (GST_CLOCK_TIME_IS_VALID (s->min_keyframe_gap)) {
209 if (d < s->min_keyframe_gap)
210 s->min_keyframe_gap = d;
212 s->min_keyframe_gap = d;
214 if (GST_CLOCK_TIME_IS_VALID (s->max_keyframe_gap)) {
215 if (d > s->max_keyframe_gap)
216 s->max_keyframe_gap = d;
218 s->max_keyframe_gap = d;
220 if (GST_CLOCK_TIME_IS_VALID (s->avg_keyframe_gap)) {
221 s->avg_keyframe_gap = (d + s->num_frames * s->avg_keyframe_gap) /
224 s->avg_keyframe_gap = d;
227 s->last_keyframe = ts;
230 if (flags & GST_ASSOCIATION_FLAG_DELTA_UNIT) {
232 if (GST_CLOCK_TIME_IS_VALID (ts)) {
233 s->last_dltframe = ts;
245 /* print statistics from the entry_added callback, free the entries */
247 print_index_stats (GPtrArray * index_stats)
251 if (index_stats->len) {
252 g_print ("%s:\n", _("Index statistics"));
255 for (i = 0; i < index_stats->len; i++) {
256 GstIndexStats *s = g_ptr_array_index (index_stats, i);
258 g_print ("id %d, %s\n", s->id, s->desc);
260 GstClockTime last_frame = s->last_keyframe;
262 if (GST_CLOCK_TIME_IS_VALID (s->last_dltframe)) {
263 if (!GST_CLOCK_TIME_IS_VALID (last_frame) ||
264 (s->last_dltframe > last_frame))
265 last_frame = s->last_dltframe;
268 if (GST_CLOCK_TIME_IS_VALID (last_frame)) {
269 g_print (" total time = %" GST_TIME_FORMAT "\n",
270 GST_TIME_ARGS (last_frame));
272 g_print (" frame/keyframe rate = %u / %u = ", s->num_frames,
274 if (s->num_keyframes)
275 g_print ("%lf\n", s->num_frames / (gdouble) s->num_keyframes);
278 if (s->num_keyframes) {
279 g_print (" min/avg/max keyframe gap = %" GST_TIME_FORMAT ", %"
280 GST_TIME_FORMAT ", %" GST_TIME_FORMAT "\n",
281 GST_TIME_ARGS (s->min_keyframe_gap),
282 GST_TIME_ARGS (s->avg_keyframe_gap),
283 GST_TIME_ARGS (s->max_keyframe_gap));
286 g_print (" no stats\n");
296 /* Kids, use the functions from libgstpbutils in gst-plugins-base in your
297 * own code (we can't do that here because it would introduce a circular
300 gst_is_missing_plugin_message (GstMessage * msg)
302 if (GST_MESSAGE_TYPE (msg) != GST_MESSAGE_ELEMENT
303 || gst_message_get_structure (msg) == NULL)
306 return gst_structure_has_name (gst_message_get_structure (msg),
311 gst_missing_plugin_message_get_description (GstMessage * msg)
313 return gst_structure_get_string (gst_message_get_structure (msg), "name");
317 print_error_message (GstMessage * msg)
320 gchar *name, *debug = NULL;
322 name = gst_object_get_path_string (msg->src);
323 gst_message_parse_error (msg, &err, &debug);
325 g_printerr (_("ERROR: from element %s: %s\n"), name, err->message);
327 g_printerr (_("Additional debug info:\n%s\n"), debug);
329 g_clear_error (&err);
335 print_tag (const GstTagList * list, const gchar * tag, gpointer unused)
339 count = gst_tag_list_get_tag_size (list, tag);
341 for (i = 0; i < count; i++) {
344 if (gst_tag_get_type (tag) == G_TYPE_STRING) {
345 if (!gst_tag_list_get_string_index (list, tag, i, &str)) {
346 g_warning ("Couldn't fetch string for %s tag", tag);
347 g_assert_not_reached ();
349 } else if (gst_tag_get_type (tag) == GST_TYPE_SAMPLE) {
350 GstSample *sample = NULL;
352 if (gst_tag_list_get_sample_index (list, tag, i, &sample)) {
353 GstBuffer *img = gst_sample_get_buffer (sample);
354 GstCaps *caps = gst_sample_get_caps (sample);
360 caps_str = gst_caps_to_string (caps);
361 str = g_strdup_printf ("buffer of %" G_GSIZE_FORMAT " bytes, "
362 "type: %s", gst_buffer_get_size (img), caps_str);
365 str = g_strdup_printf ("buffer of %" G_GSIZE_FORMAT " bytes",
366 gst_buffer_get_size (img));
369 str = g_strdup ("NULL buffer");
372 g_warning ("Couldn't fetch sample for %s tag", tag);
373 g_assert_not_reached ();
375 gst_sample_unref (sample);
376 } else if (gst_tag_get_type (tag) == GST_TYPE_DATE_TIME) {
377 GstDateTime *dt = NULL;
379 gst_tag_list_get_date_time_index (list, tag, i, &dt);
380 if (!gst_date_time_has_time (dt)) {
381 str = gst_date_time_to_iso8601_string (dt);
383 gdouble tz_offset = gst_date_time_get_time_zone_offset (dt);
386 if (tz_offset != 0.0) {
387 g_snprintf (tz_str, sizeof (tz_str), "(UTC %s%gh)",
388 (tz_offset > 0.0) ? "+" : "", tz_offset);
390 g_snprintf (tz_str, sizeof (tz_str), "(UTC)");
393 str = g_strdup_printf ("%04u-%02u-%02u %02u:%02u:%02u %s",
394 gst_date_time_get_year (dt), gst_date_time_get_month (dt),
395 gst_date_time_get_day (dt), gst_date_time_get_hour (dt),
396 gst_date_time_get_minute (dt), gst_date_time_get_second (dt),
399 gst_date_time_unref (dt);
402 g_strdup_value_contents (gst_tag_list_get_value_index (list, tag, i));
406 PRINT ("%16s: %s\n", i == 0 ? gst_tag_get_nick (tag) : "", str);
413 print_tag_foreach (const GstTagList * tags, const gchar * tag,
418 gint depth = GPOINTER_TO_INT (user_data);
420 if (!gst_tag_list_copy_value (&val, tags, tag))
423 if (G_VALUE_HOLDS_STRING (&val))
424 str = g_value_dup_string (&val);
426 str = gst_value_serialize (&val);
428 g_print ("%*s%s: %s\n", 2 * depth, " ", gst_tag_get_nick (tag), str);
431 g_value_unset (&val);
434 #define MAX_INDENT 40
437 print_toc_entry (gpointer data, gpointer user_data)
439 GstTocEntry *entry = (GstTocEntry *) data;
440 const gchar spc[MAX_INDENT + 1] = " ";
441 guint indent = MIN (GPOINTER_TO_UINT (user_data), MAX_INDENT);
442 const GstTagList *tags;
446 gst_toc_entry_get_start_stop_times (entry, &start, &stop);
448 PRINT ("%s%s:", &spc[MAX_INDENT - indent],
449 gst_toc_entry_type_get_nick (gst_toc_entry_get_entry_type (entry)));
450 if (GST_CLOCK_TIME_IS_VALID (start)) {
451 PRINT (" start: %" GST_TIME_FORMAT, GST_TIME_ARGS (start));
453 if (GST_CLOCK_TIME_IS_VALID (stop)) {
454 PRINT (" stop: %" GST_TIME_FORMAT, GST_TIME_ARGS (stop));
460 tags = gst_toc_entry_get_tags (entry);
462 gst_tag_list_foreach (tags, print_tag_foreach, GUINT_TO_POINTER (indent));
464 /* loop over sub-toc entries */
465 subentries = gst_toc_entry_get_sub_entries (entry);
466 g_list_foreach (subentries, print_toc_entry, GUINT_TO_POINTER (indent));
469 #if defined(G_OS_UNIX) || defined(G_OS_WIN32)
470 static guint signal_watch_id;
471 #if defined(G_OS_WIN32)
472 static GstElement *intr_pipeline;
476 #if defined(G_OS_UNIX) || defined(G_OS_WIN32)
477 /* As the interrupt handler is dispatched from GMainContext as a GSourceFunc
478 * handler, we can react to this by posting a message. */
480 intr_handler (gpointer user_data)
482 GstElement *pipeline = (GstElement *) user_data;
484 PRINT ("handling interrupt.\n");
486 /* post an application specific message */
487 gst_element_post_message (GST_ELEMENT (pipeline),
488 gst_message_new_application (GST_OBJECT (pipeline),
489 gst_structure_new ("GstLaunchInterrupt",
490 "message", G_TYPE_STRING, "Pipeline interrupted", NULL)));
492 /* remove signal handler */
497 #if defined(G_OS_WIN32) /* G_OS_UNIX */
499 w32_intr_handler (DWORD dwCtrlType)
501 intr_handler ((gpointer) intr_pipeline);
502 intr_pipeline = NULL;
505 #endif /* G_OS_WIN32 */
506 #endif /* G_OS_UNIX */
508 /* returns ELR_ERROR if there was an error
509 * or ELR_INTERRUPT if we caught a keyboard interrupt
510 * or ELR_NO_ERROR otherwise. */
511 static EventLoopResult
512 event_loop (GstElement * pipeline, gboolean blocking, gboolean do_progress,
513 GstState target_state)
516 GstMessage *message = NULL;
517 EventLoopResult res = ELR_NO_ERROR;
518 gboolean buffering = FALSE, in_progress = FALSE;
519 gboolean prerolled = target_state != GST_STATE_PAUSED;
521 bus = gst_element_get_bus (GST_ELEMENT (pipeline));
525 g_unix_signal_add (SIGINT, (GSourceFunc) intr_handler, pipeline);
526 #elif defined(G_OS_WIN32)
527 intr_pipeline = NULL;
528 if (SetConsoleCtrlHandler (w32_intr_handler, TRUE))
529 intr_pipeline = pipeline;
533 message = gst_bus_poll (bus, GST_MESSAGE_ANY, blocking ? -1 : 0);
535 /* if the poll timed out, only when !blocking */
539 /* check if we need to dump messages to the console */
542 const GstStructure *s;
545 seqnum = gst_message_get_seqnum (message);
547 s = gst_message_get_structure (message);
549 src_obj = GST_MESSAGE_SRC (message);
551 if (GST_IS_ELEMENT (src_obj)) {
552 PRINT (_("Got message #%u from element \"%s\" (%s): "),
553 (guint) seqnum, GST_ELEMENT_NAME (src_obj),
554 GST_MESSAGE_TYPE_NAME (message));
555 } else if (GST_IS_PAD (src_obj)) {
556 PRINT (_("Got message #%u from pad \"%s:%s\" (%s): "),
557 (guint) seqnum, GST_DEBUG_PAD_NAME (src_obj),
558 GST_MESSAGE_TYPE_NAME (message));
559 } else if (GST_IS_OBJECT (src_obj)) {
560 PRINT (_("Got message #%u from object \"%s\" (%s): "),
561 (guint) seqnum, GST_OBJECT_NAME (src_obj),
562 GST_MESSAGE_TYPE_NAME (message));
564 PRINT (_("Got message #%u (%s): "), (guint) seqnum,
565 GST_MESSAGE_TYPE_NAME (message));
571 sstr = gst_structure_to_string (s);
572 PRINT ("%s\n", sstr);
575 PRINT ("no message details\n");
579 switch (GST_MESSAGE_TYPE (message)) {
580 case GST_MESSAGE_NEW_CLOCK:
584 gst_message_parse_new_clock (message, &clock);
586 PRINT ("New clock: %s\n", (clock ? GST_OBJECT_NAME (clock) : "NULL"));
589 case GST_MESSAGE_CLOCK_LOST:
590 PRINT ("Clock lost, selecting a new one\n");
591 gst_element_set_state (pipeline, GST_STATE_PAUSED);
592 gst_element_set_state (pipeline, GST_STATE_PLAYING);
594 case GST_MESSAGE_EOS:{
596 PRINT (_("Got EOS from element \"%s\".\n"),
597 GST_MESSAGE_SRC_NAME (message));
600 case GST_MESSAGE_TAG:
602 GstTagList *tag_list;
604 if (GST_IS_ELEMENT (GST_MESSAGE_SRC (message))) {
605 PRINT (_("FOUND TAG : found by element \"%s\".\n"),
606 GST_MESSAGE_SRC_NAME (message));
607 } else if (GST_IS_PAD (GST_MESSAGE_SRC (message))) {
608 PRINT (_("FOUND TAG : found by pad \"%s:%s\".\n"),
609 GST_DEBUG_PAD_NAME (GST_MESSAGE_SRC (message)));
610 } else if (GST_IS_OBJECT (GST_MESSAGE_SRC (message))) {
611 PRINT (_("FOUND TAG : found by object \"%s\".\n"),
612 GST_MESSAGE_SRC_NAME (message));
614 PRINT (_("FOUND TAG\n"));
617 gst_message_parse_tag (message, &tag_list);
618 gst_tag_list_foreach (tag_list, print_tag, NULL);
619 gst_tag_list_unref (tag_list);
622 case GST_MESSAGE_TOC:
628 if (GST_IS_ELEMENT (GST_MESSAGE_SRC (message))) {
629 PRINT (_("FOUND TOC : found by element \"%s\".\n"),
630 GST_MESSAGE_SRC_NAME (message));
631 } else if (GST_IS_OBJECT (GST_MESSAGE_SRC (message))) {
632 PRINT (_("FOUND TOC : found by object \"%s\".\n"),
633 GST_MESSAGE_SRC_NAME (message));
635 PRINT (_("FOUND TOC\n"));
638 gst_message_parse_toc (message, &toc, &updated);
639 /* recursively loop over toc entries */
640 entries = gst_toc_get_entries (toc);
641 g_list_foreach (entries, print_toc_entry, GUINT_TO_POINTER (0));
645 case GST_MESSAGE_INFO:{
648 gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));
650 gst_message_parse_info (message, &gerror, &debug);
652 PRINT (_("INFO:\n%s\n"), debug);
654 g_clear_error (&gerror);
659 case GST_MESSAGE_WARNING:{
662 gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));
664 /* dump graph on warning */
665 GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
666 GST_DEBUG_GRAPH_SHOW_ALL, "gst-launch.warning");
668 gst_message_parse_warning (message, &gerror, &debug);
669 PRINT (_("WARNING: from element %s: %s\n"), name, gerror->message);
671 PRINT (_("Additional debug info:\n%s\n"), debug);
673 g_clear_error (&gerror);
678 case GST_MESSAGE_ERROR:{
679 /* dump graph on error */
680 GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
681 GST_DEBUG_GRAPH_SHOW_ALL, "gst-launch.error");
683 print_error_message (message);
685 /* we have an error */
689 case GST_MESSAGE_STATE_CHANGED:{
690 GstState old, new, pending;
692 /* we only care about pipeline state change messages */
693 if (GST_MESSAGE_SRC (message) != GST_OBJECT_CAST (pipeline))
696 gst_message_parse_state_changed (message, &old, &new, &pending);
698 /* if we reached the final target state, exit */
699 if (target_state == GST_STATE_PAUSED && new == target_state) {
701 /* ignore when we are buffering since then we mess with the states
704 PRINT (_("Prerolled, waiting for buffering to finish...\n"));
708 PRINT (_("Prerolled, waiting for progress to finish...\n"));
713 /* else not an interesting message */
716 case GST_MESSAGE_BUFFERING:{
719 gst_message_parse_buffering (message, &percent);
720 PRINT ("%s %d%% \r", _("buffering..."), percent);
722 /* no state management needed for live pipelines */
726 if (percent == 100) {
727 /* a 100% message means buffering is done */
729 /* if the desired state is playing, go back */
730 if (target_state == GST_STATE_PLAYING) {
731 PRINT (_("Done buffering, setting pipeline to PLAYING ...\n"));
732 gst_element_set_state (pipeline, GST_STATE_PLAYING);
733 } else if (prerolled && !in_progress)
737 if (!buffering && target_state == GST_STATE_PLAYING) {
738 /* we were not buffering but PLAYING, PAUSE the pipeline. */
739 PRINT (_("Buffering, setting pipeline to PAUSED ...\n"));
740 gst_element_set_state (pipeline, GST_STATE_PAUSED);
746 case GST_MESSAGE_LATENCY:
748 PRINT (_("Redistribute latency...\n"));
749 gst_bin_recalculate_latency (GST_BIN (pipeline));
752 case GST_MESSAGE_REQUEST_STATE:
755 gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));
757 gst_message_parse_request_state (message, &state);
759 PRINT (_("Setting state to %s as requested by %s...\n"),
760 gst_element_state_get_name (state), name);
762 gst_element_set_state (pipeline, state);
767 case GST_MESSAGE_APPLICATION:{
768 const GstStructure *s;
770 s = gst_message_get_structure (message);
772 if (gst_structure_has_name (s, "GstLaunchInterrupt")) {
773 /* this application message is posted when we caught an interrupt and
774 * we need to stop the pipeline. */
775 PRINT (_("Interrupt: Stopping pipeline ...\n"));
781 case GST_MESSAGE_PROGRESS:
783 GstProgressType type;
786 gst_message_parse_progress (message, &type, &code, &text);
789 case GST_PROGRESS_TYPE_START:
790 case GST_PROGRESS_TYPE_CONTINUE:
796 case GST_PROGRESS_TYPE_COMPLETE:
797 case GST_PROGRESS_TYPE_CANCELED:
798 case GST_PROGRESS_TYPE_ERROR:
804 PRINT (_("Progress: (%s) %s\n"), code, text);
808 if (do_progress && !in_progress && !buffering && prerolled)
812 case GST_MESSAGE_ELEMENT:{
813 if (gst_is_missing_plugin_message (message)) {
816 desc = gst_missing_plugin_message_get_description (message);
817 PRINT (_("Missing element: %s\n"), desc ? desc : "(no description)");
821 case GST_MESSAGE_HAVE_CONTEXT:{
823 const gchar *context_type;
826 gst_message_parse_have_context (message, &context);
828 context_type = gst_context_get_context_type (context);
830 gst_structure_to_string (gst_context_get_structure (context));
831 PRINT (_("Got context from element '%s': %s=%s\n"),
832 GST_ELEMENT_NAME (GST_MESSAGE_SRC (message)), context_type,
834 g_free (context_str);
835 gst_context_unref (context);
838 case GST_MESSAGE_PROPERTY_NOTIFY:{
842 gchar *val_str = NULL;
843 gchar **ex_prop, *obj_name;
848 gst_message_parse_property_notify (message, &obj, &name, &val);
850 /* Let's not print anything for excluded properties... */
851 ex_prop = exclude_args;
852 while (ex_prop != NULL && *ex_prop != NULL) {
853 if (strcmp (name, *ex_prop) == 0)
857 if (ex_prop != NULL && *ex_prop != NULL)
860 obj_name = gst_object_get_path_string (GST_OBJECT (obj));
862 if (G_VALUE_HOLDS_STRING (val))
863 val_str = g_value_dup_string (val);
864 else if (G_VALUE_TYPE (val) == GST_TYPE_CAPS)
865 val_str = gst_caps_to_string (g_value_get_boxed (val));
866 else if (G_VALUE_TYPE (val) == GST_TYPE_TAG_LIST)
867 val_str = gst_tag_list_to_string (g_value_get_boxed (val));
869 val_str = gst_value_serialize (val);
871 val_str = g_strdup ("(no value)");
874 g_print ("%s: %s = %s\n", obj_name, name, val_str);
880 /* just be quiet by default */
884 gst_message_unref (message);
886 g_assert_not_reached ();
891 gst_message_unref (message);
892 gst_object_unref (bus);
894 if (signal_watch_id > 0)
895 g_source_remove (signal_watch_id);
896 #elif defined(G_OS_WIN32)
897 intr_pipeline = NULL;
898 SetConsoleCtrlHandler (w32_intr_handler, FALSE);
904 static GstBusSyncReply
905 bus_sync_handler (GstBus * bus, GstMessage * message, gpointer data)
907 GstElement *pipeline = (GstElement *) data;
909 switch (GST_MESSAGE_TYPE (message)) {
910 case GST_MESSAGE_STATE_CHANGED:
911 /* we only care about pipeline state change messages */
912 if (GST_MESSAGE_SRC (message) == GST_OBJECT_CAST (pipeline)) {
913 GstState old, new, pending;
914 gchar *state_transition_name;
916 gst_message_parse_state_changed (message, &old, &new, &pending);
918 state_transition_name = g_strdup_printf ("%s_%s",
919 gst_element_state_get_name (old), gst_element_state_get_name (new));
921 /* dump graph for (some) pipeline state changes */
923 gchar *dump_name = g_strconcat ("gst-launch.", state_transition_name,
925 GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
926 GST_DEBUG_GRAPH_SHOW_ALL, dump_name);
930 /* place a marker into e.g. strace logs */
932 gchar *access_name = g_strconcat (g_get_tmp_dir (), G_DIR_SEPARATOR_S,
933 "gst-launch", G_DIR_SEPARATOR_S, state_transition_name, NULL);
934 g_file_test (access_name, G_FILE_TEST_EXISTS);
935 g_free (access_name);
938 g_free (state_transition_name);
948 main (int argc, char *argv[])
951 gboolean verbose = FALSE;
952 gboolean no_fault = FALSE;
953 gboolean eos_on_shutdown = FALSE;
955 gboolean check_index = FALSE;
957 gchar *savefile = NULL;
958 #ifndef GST_DISABLE_OPTION_PARSING
959 GOptionEntry options[] = {
960 {"tags", 't', 0, G_OPTION_ARG_NONE, &tags,
961 N_("Output tags (also known as metadata)"), NULL},
962 {"toc", 'c', 0, G_OPTION_ARG_NONE, &toc,
963 N_("Output TOC (chapters and editions)"), NULL},
964 {"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose,
965 N_("Output status information and property notifications"), NULL},
966 {"quiet", 'q', 0, G_OPTION_ARG_NONE, &quiet,
967 N_("Do not print any progress information"), NULL},
968 {"messages", 'm', 0, G_OPTION_ARG_NONE, &messages,
969 N_("Output messages"), NULL},
970 {"exclude", 'X', 0, G_OPTION_ARG_STRING_ARRAY, &exclude_args,
971 N_("Do not output status information for the specified property "
972 "if verbose output is enabled (can be used multiple times)"),
973 N_("PROPERTY-NAME")},
974 {"no-fault", 'f', 0, G_OPTION_ARG_NONE, &no_fault,
975 N_("Do not install a fault handler"), NULL},
976 {"eos-on-shutdown", 'e', 0, G_OPTION_ARG_NONE, &eos_on_shutdown,
977 N_("Force EOS on sources before shutting the pipeline down"), NULL},
979 {"index", 'i', 0, G_OPTION_ARG_NONE, &check_index,
980 N_("Gather and print index statistics"), NULL},
982 GST_TOOLS_GOPTION_VERSION,
990 GPtrArray *index_stats = NULL;
993 GError *error = NULL;
994 gulong deep_notify_id = 0;
997 free (malloc (8)); /* -lefence */
999 setlocale (LC_ALL, "");
1002 bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
1003 bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
1004 textdomain (GETTEXT_PACKAGE);
1007 g_set_prgname ("gst-launch-" GST_API_VERSION);
1009 #ifndef GST_DISABLE_OPTION_PARSING
1010 ctx = g_option_context_new ("PIPELINE-DESCRIPTION");
1011 g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
1012 g_option_context_add_group (ctx, gst_init_get_option_group ());
1013 if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
1015 g_printerr ("Error initializing: %s\n", GST_STR_NULL (err->message));
1017 g_printerr ("Error initializing: Unknown error!\n");
1018 g_clear_error (&err);
1019 g_option_context_free (ctx);
1022 g_option_context_free (ctx);
1024 gst_init (&argc, &argv);
1027 gst_tools_print_version ();
1034 /* make a null-terminated version of argv */
1035 argvn = g_new0 (char *, argc);
1036 memcpy (argvn, argv + 1, sizeof (char *) * (argc - 1));
1039 (GstElement *) gst_parse_launchv ((const gchar **) argvn, &error);
1045 g_printerr (_("ERROR: pipeline could not be constructed: %s.\n"),
1046 GST_STR_NULL (error->message));
1047 g_clear_error (&error);
1049 g_printerr (_("ERROR: pipeline could not be constructed.\n"));
1053 g_printerr (_("WARNING: erroneous pipeline: %s\n"),
1054 GST_STR_NULL (error->message));
1055 g_clear_error (&error);
1060 GstState state, pending;
1061 GstStateChangeReturn ret;
1064 /* If the top-level object is not a pipeline, place it in a pipeline. */
1065 if (!GST_IS_PIPELINE (pipeline)) {
1066 GstElement *real_pipeline = gst_element_factory_make ("pipeline", NULL);
1068 if (real_pipeline == NULL) {
1069 g_printerr (_("ERROR: the 'pipeline' element wasn't found.\n"));
1072 gst_bin_add (GST_BIN (real_pipeline), pipeline);
1073 pipeline = real_pipeline;
1077 gst_element_add_property_deep_notify_watch (pipeline, NULL, TRUE);
1081 /* gst_index_new() creates a null-index, it does not store anything, but
1082 * the entry-added signal works and this is what we use to build the
1084 index = gst_index_new ();
1086 index_stats = g_ptr_array_new ();
1087 g_signal_connect (G_OBJECT (index), "entry-added",
1088 G_CALLBACK (entry_added), index_stats);
1089 g_object_set (G_OBJECT (index), "resolver", GST_INDEX_RESOLVER_GTYPE,
1091 gst_element_set_index (pipeline, index);
1096 bus = gst_element_get_bus (pipeline);
1097 gst_bus_set_sync_handler (bus, bus_sync_handler, (gpointer) pipeline, NULL);
1098 gst_object_unref (bus);
1100 PRINT (_("Setting pipeline to PAUSED ...\n"));
1101 ret = gst_element_set_state (pipeline, GST_STATE_PAUSED);
1104 case GST_STATE_CHANGE_FAILURE:
1105 g_printerr (_("ERROR: Pipeline doesn't want to pause.\n"));
1107 event_loop (pipeline, FALSE, FALSE, GST_STATE_VOID_PENDING);
1109 case GST_STATE_CHANGE_NO_PREROLL:
1110 PRINT (_("Pipeline is live and does not need PREROLL ...\n"));
1113 case GST_STATE_CHANGE_ASYNC:
1114 PRINT (_("Pipeline is PREROLLING ...\n"));
1115 caught_error = event_loop (pipeline, TRUE, TRUE, GST_STATE_PAUSED);
1117 g_printerr (_("ERROR: pipeline doesn't want to preroll.\n"));
1121 state = GST_STATE_PAUSED;
1123 case GST_STATE_CHANGE_SUCCESS:
1124 PRINT (_("Pipeline is PREROLLED ...\n"));
1128 caught_error = event_loop (pipeline, FALSE, TRUE, GST_STATE_PLAYING);
1131 g_printerr (_("ERROR: pipeline doesn't want to preroll.\n"));
1134 GstClockTime tfthen, tfnow;
1135 GstClockTimeDiff diff;
1137 PRINT (_("Setting pipeline to PLAYING ...\n"));
1139 if (gst_element_set_state (pipeline,
1140 GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) {
1141 GstMessage *err_msg;
1144 g_printerr (_("ERROR: pipeline doesn't want to play.\n"));
1145 bus = gst_element_get_bus (pipeline);
1146 if ((err_msg = gst_bus_poll (bus, GST_MESSAGE_ERROR, 0))) {
1147 print_error_message (err_msg);
1148 gst_message_unref (err_msg);
1150 gst_object_unref (bus);
1155 tfthen = gst_util_get_timestamp ();
1156 caught_error = event_loop (pipeline, TRUE, FALSE, GST_STATE_PLAYING);
1158 if (eos_on_shutdown && caught_error != ELR_NO_ERROR) {
1159 gboolean ignore_errors;
1162 if (caught_error == ELR_INTERRUPT) {
1163 PRINT (_("EOS on shutdown enabled -- Forcing EOS on the pipeline\n"));
1164 gst_element_send_event (pipeline, gst_event_new_eos ());
1165 ignore_errors = FALSE;
1167 PRINT (_("EOS on shutdown enabled -- waiting for EOS after Error\n"));
1168 ignore_errors = TRUE;
1170 PRINT (_("Waiting for EOS...\n"));
1173 caught_error = event_loop (pipeline, TRUE, FALSE, GST_STATE_PLAYING);
1175 if (caught_error == ELR_NO_ERROR) {
1177 PRINT (_("EOS received - stopping pipeline...\n"));
1179 } else if (caught_error == ELR_INTERRUPT) {
1181 ("Interrupt while waiting for EOS - stopping pipeline...\n"));
1184 } else if (caught_error == ELR_ERROR) {
1185 if (!ignore_errors) {
1186 PRINT (_("An error happened while waiting for EOS\n"));
1193 tfnow = gst_util_get_timestamp ();
1195 diff = GST_CLOCK_DIFF (tfthen, tfnow);
1197 PRINT (_("Execution ended after %" GST_TIME_FORMAT "\n"),
1198 GST_TIME_ARGS (diff));
1201 PRINT (_("Setting pipeline to PAUSED ...\n"));
1202 gst_element_set_state (pipeline, GST_STATE_PAUSED);
1203 if (caught_error == ELR_NO_ERROR)
1204 gst_element_get_state (pipeline, &state, &pending, GST_CLOCK_TIME_NONE);
1206 /* iterate mainloop to process pending stuff */
1207 while (g_main_context_iteration (NULL, FALSE));
1209 /* No need to see all those pad caps going to NULL etc., it's just noise */
1210 if (deep_notify_id != 0)
1211 g_signal_handler_disconnect (pipeline, deep_notify_id);
1213 PRINT (_("Setting pipeline to READY ...\n"));
1214 gst_element_set_state (pipeline, GST_STATE_READY);
1215 gst_element_get_state (pipeline, &state, &pending, GST_CLOCK_TIME_NONE);
1219 print_index_stats (index_stats);
1220 g_ptr_array_free (index_stats, TRUE);
1225 PRINT (_("Setting pipeline to NULL ...\n"));
1226 gst_element_set_state (pipeline, GST_STATE_NULL);
1229 PRINT (_("Freeing pipeline ...\n"));
1230 gst_object_unref (pipeline);