2 * Copyright (C) 2013 Stefan Sauer <ensonic@users.sf.net>
4 * gst-stats.c: statistics tracing front end
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
33 static GRegex *raw_log = NULL;
34 static GRegex *ansi_log = NULL;
36 /* global statistics */
37 static GHashTable *threads = NULL;
38 static GPtrArray *elements = NULL;
39 static GPtrArray *pads = NULL;
40 static guint64 num_buffers = 0, num_events = 0, num_messages = 0, num_queries =
42 static guint num_elements = 0, num_bins = 0, num_pads = 0, num_ghostpads = 0;
43 static GstClockTime last_ts = G_GUINT64_CONSTANT (0);
44 static guint total_cpuload = 0;
45 static gboolean have_cpuload = FALSE;
49 /* human readable pad name and details */
50 gchar *name, *type_name;
52 gboolean is_ghost_pad;
54 /* buffer statistics */
56 guint num_live, num_decode_only, num_discont, num_resync, num_corrupted,
57 num_marker, num_header, num_gap, num_droppable, num_delta;
58 guint min_size, max_size, avg_size;
59 /* first and last activity on the pad, expected next_ts */
60 GstClockTime first_ts, last_ts, next_ts;
61 /* in which thread does it operate */
69 /* human readable element name */
70 gchar *name, *type_name;
73 /* buffer statistics */
74 guint recv_buffers, sent_buffers;
75 guint64 recv_bytes, sent_bytes;
76 /* event, message statistics */
77 guint num_events, num_messages, num_queries;
78 /* first activity on the element */
79 GstClockTime first_ts, last_ts;
86 /* time spend in this thread */
94 free_element_stats (gpointer data)
96 g_slice_free (GstElementStats, data);
99 static inline GstElementStats *
100 get_element_stats (guint ix)
102 return (ix != G_MAXUINT && ix < elements->len) ?
103 g_ptr_array_index (elements, ix) : NULL;
106 static inline GstPadStats *
107 get_pad_stats (guint ix)
109 return (ix != G_MAXUINT && ix < pads->len) ?
110 g_ptr_array_index (pads, ix) : NULL;
114 free_pad_stats (gpointer data)
116 g_slice_free (GstPadStats, data);
119 static inline GstThreadStats *
120 get_thread_stats (gpointer id)
122 GstThreadStats *stats = g_hash_table_lookup (threads, id);
124 if (G_UNLIKELY (!stats)) {
125 stats = g_slice_new0 (GstThreadStats);
126 stats->tthread = GST_CLOCK_TIME_NONE;
127 g_hash_table_insert (threads, id, stats);
133 new_pad_stats (GstStructure * s)
138 gboolean is_ghost_pad;
142 gst_structure_get (s,
143 "ix", G_TYPE_UINT, &ix,
144 "parent-ix", G_TYPE_UINT, &parent_ix,
145 "name", G_TYPE_STRING, &name,
146 "type", G_TYPE_STRING, &type,
147 "is-ghostpad", G_TYPE_BOOLEAN, &is_ghost_pad,
148 "pad-direction", GST_TYPE_PAD_DIRECTION, &dir,
149 "thread-id", G_TYPE_UINT64, &thread_id, NULL);
151 stats = g_slice_new0 (GstPadStats);
156 stats->type_name = type;
158 stats->is_ghost_pad = is_ghost_pad;
160 stats->min_size = G_MAXUINT;
161 stats->first_ts = stats->last_ts = stats->next_ts = GST_CLOCK_TIME_NONE;
162 stats->thread_id = (gpointer) (guintptr) thread_id;
163 stats->parent_ix = parent_ix;
166 g_ptr_array_set_size (pads, ix + 1);
167 g_ptr_array_index (pads, ix) = stats;
171 new_element_stats (GstStructure * s)
173 GstElementStats *stats;
178 gst_structure_get (s,
179 "ix", G_TYPE_UINT, &ix,
180 "parent-ix", G_TYPE_UINT, &parent_ix,
181 "name", G_TYPE_STRING, &name,
182 "type", G_TYPE_STRING, &type, "is-bin", G_TYPE_BOOLEAN, &is_bin, NULL);
184 stats = g_slice_new0 (GstElementStats);
190 stats->type_name = type;
191 stats->is_bin = is_bin;
192 stats->first_ts = GST_CLOCK_TIME_NONE;
193 stats->parent_ix = parent_ix;
195 if (elements->len <= ix)
196 g_ptr_array_set_size (elements, ix + 1);
197 g_ptr_array_index (elements, ix) = stats;
201 free_thread_stats (gpointer data)
203 g_slice_free (GstThreadStats, data);
207 do_pad_stats (GstPadStats * stats, guint elem_ix, guint size, guint64 ts,
208 guint64 buffer_ts, guint64 buffer_dur, GstBufferFlags buffer_flags)
213 if (stats->parent_ix == G_MAXUINT) {
214 stats->parent_ix = elem_ix;
217 if (stats->thread_id) {
218 get_thread_stats (stats->thread_id);
222 avg_size = (((gulong) stats->avg_size * (gulong) stats->num_buffers) + size);
223 stats->num_buffers++;
224 stats->avg_size = (guint) (avg_size / stats->num_buffers);
225 if (size < stats->min_size)
226 stats->min_size = size;
227 else if (size > stats->max_size)
228 stats->max_size = size;
230 if (!GST_CLOCK_TIME_IS_VALID (stats->last_ts))
231 stats->first_ts = ts;
234 if (buffer_flags & GST_BUFFER_FLAG_LIVE)
236 if (buffer_flags & GST_BUFFER_FLAG_DECODE_ONLY)
237 stats->num_decode_only++;
238 if (buffer_flags & GST_BUFFER_FLAG_DISCONT)
239 stats->num_discont++;
240 if (buffer_flags & GST_BUFFER_FLAG_RESYNC)
242 if (buffer_flags & GST_BUFFER_FLAG_CORRUPTED)
243 stats->num_corrupted++;
244 if (buffer_flags & GST_BUFFER_FLAG_MARKER)
246 if (buffer_flags & GST_BUFFER_FLAG_HEADER)
248 if (buffer_flags & GST_BUFFER_FLAG_GAP)
250 if (buffer_flags & GST_BUFFER_FLAG_DROPPABLE)
251 stats->num_droppable++;
252 if (buffer_flags & GST_BUFFER_FLAG_DELTA_UNIT)
254 /* update timestamps */
255 if (GST_CLOCK_TIME_IS_VALID (buffer_ts) &&
256 GST_CLOCK_TIME_IS_VALID (buffer_dur)) {
257 stats->next_ts = buffer_ts + buffer_dur;
259 stats->next_ts = GST_CLOCK_TIME_NONE;
264 do_element_stats (GstElementStats * stats, GstElementStats * peer_stats,
265 guint size, guint64 ts)
267 stats->sent_buffers++;
268 peer_stats->recv_buffers++;
269 stats->sent_bytes += size;
270 peer_stats->recv_bytes += size;
272 if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (stats->first_ts))) {
273 stats->first_ts = ts;
275 if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (peer_stats->first_ts))) {
276 peer_stats->first_ts = ts + 1;
281 do_buffer_stats (GstStructure * s)
283 guint64 ts, buffer_pts, buffer_dur;
284 guint pad_ix, elem_ix, peer_elem_ix;
286 GstBufferFlags buffer_flags;
287 GstPadStats *pad_stats;
288 GstElementStats *elem_stats, *peer_elem_stats;
291 gst_structure_get (s, "ts", G_TYPE_UINT64, &ts,
292 "pad-ix", G_TYPE_UINT, &pad_ix,
293 "element-ix", G_TYPE_UINT, &elem_ix,
294 "peer-element-ix", G_TYPE_UINT, &peer_elem_ix,
295 "buffer-size", G_TYPE_UINT, &size,
296 "buffer-pts", G_TYPE_UINT64, &buffer_pts,
297 "buffer-duration", G_TYPE_UINT64, &buffer_dur,
298 "buffer-flags", GST_TYPE_BUFFER_FLAGS, &buffer_flags, NULL);
299 last_ts = MAX (last_ts, ts);
300 if (!(pad_stats = get_pad_stats (pad_ix))) {
301 GST_WARNING ("no pad stats found for ix=%u", pad_ix);
304 if (!(elem_stats = get_element_stats (elem_ix))) {
305 GST_WARNING ("no element stats found for ix=%u", elem_ix);
308 if (!(peer_elem_stats = get_element_stats (peer_elem_ix))) {
309 GST_WARNING ("no element stats found for ix=%u", peer_elem_ix);
312 do_pad_stats (pad_stats, elem_ix, size, ts, buffer_pts, buffer_dur,
314 if (pad_stats->dir == GST_PAD_SRC) {
316 do_element_stats (elem_stats, peer_elem_stats, size, ts);
319 do_element_stats (peer_elem_stats, elem_stats, size, ts);
324 do_event_stats (GstStructure * s)
327 guint pad_ix, elem_ix;
328 GstPadStats *pad_stats;
329 GstElementStats *elem_stats;
332 gst_structure_get (s, "ts", G_TYPE_UINT64, &ts,
333 "pad-ix", G_TYPE_UINT, &pad_ix, "element-ix", G_TYPE_UINT, &elem_ix,
335 last_ts = MAX (last_ts, ts);
336 if (!(pad_stats = get_pad_stats (pad_ix))) {
337 GST_WARNING ("no pad stats found for ix=%u", pad_ix);
340 if (!(elem_stats = get_element_stats (elem_ix))) {
341 // e.g. reconfigure events are send over unparented pads
342 GST_INFO ("no element stats found for ix=%u", elem_ix);
345 elem_stats->num_events++;
349 do_message_stats (GstStructure * s)
353 GstElementStats *elem_stats;
356 gst_structure_get (s, "ts", G_TYPE_UINT64, &ts,
357 "element-ix", G_TYPE_UINT, &elem_ix, NULL);
358 last_ts = MAX (last_ts, ts);
359 if (!(elem_stats = get_element_stats (elem_ix))) {
360 GST_WARNING ("no element stats found for ix=%u", elem_ix);
363 elem_stats->num_messages++;
367 do_query_stats (GstStructure * s)
371 GstElementStats *elem_stats;
374 gst_structure_get (s, "ts", G_TYPE_UINT64, &ts,
375 "element-ix", G_TYPE_UINT, &elem_ix, NULL);
376 last_ts = MAX (last_ts, ts);
377 if (!(elem_stats = get_element_stats (elem_ix))) {
378 GST_WARNING ("no element stats found for ix=%u", elem_ix);
381 elem_stats->num_queries++;
385 do_thread_rusage_stats (GstStructure * s)
387 guint64 ts, tthread, thread_id;
389 GstThreadStats *thread_stats;
391 gst_structure_get (s, "ts", G_TYPE_UINT64, &ts,
392 "thread-id", G_TYPE_UINT64, &thread_id,
393 "average-cpuload", G_TYPE_UINT, &cpuload, "time", G_TYPE_UINT64, &tthread,
395 thread_stats = get_thread_stats ((gpointer) (guintptr) thread_id);
396 thread_stats->cpuload = cpuload;
397 thread_stats->tthread = tthread;
398 last_ts = MAX (last_ts, ts);
402 do_proc_rusage_stats (GstStructure * s)
406 gst_structure_get (s, "ts", G_TYPE_UINT64, &ts,
407 "average-cpuload", G_TYPE_UINT, &total_cpuload, NULL);
408 last_ts = MAX (last_ts, ts);
415 find_pad_stats_for_thread (gconstpointer value, gconstpointer user_data)
417 const GstPadStats *stats = (const GstPadStats *) value;
419 if ((stats->thread_id == user_data) && (stats->num_buffers)) {
426 print_pad_stats (gpointer value, gpointer user_data)
428 GstPadStats *stats = (GstPadStats *) value;
430 if (stats->thread_id == user_data) {
431 /* there seem to be some temporary pads */
432 if (stats->num_buffers) {
433 GstClockTimeDiff running =
434 GST_CLOCK_DIFF (stats->first_ts, stats->last_ts);
435 GstElementStats *elem_stats = get_element_stats (stats->parent_ix);
436 gchar fullname[30 + 1];
438 g_snprintf (fullname, 30, "%s.%s", elem_stats->name, stats->name);
441 (" %c %-30.30s: buffers %7u (live %5u,dec %5u,dis %5u,res %5u,"
442 "cor %5u,mar %5u,hdr %5u,gap %5u,drop %5u,dlt %5u),",
443 (stats->dir == GST_PAD_SRC) ? '>' : '<', fullname, stats->num_buffers,
444 stats->num_live, stats->num_decode_only, stats->num_discont,
445 stats->num_resync, stats->num_corrupted, stats->num_marker,
446 stats->num_header, stats->num_gap, stats->num_droppable,
448 if (stats->min_size == stats->max_size) {
449 printf (" size (min/avg/max) ......./%7u/.......,", stats->avg_size);
451 printf (" size (min/avg/max) %7u/%7u/%7u,",
452 stats->min_size, stats->avg_size, stats->max_size);
454 printf (" time %" GST_TIME_FORMAT ","
456 GST_TIME_ARGS (running),
457 ((gdouble) (stats->num_buffers * stats->avg_size) * GST_SECOND) /
458 ((gdouble) running));
464 print_thread_stats (gpointer key, gpointer value, gpointer user_data)
466 GSList *list = user_data;
467 GSList *node = g_slist_find_custom (list, key, find_pad_stats_for_thread);
468 GstThreadStats *stats = (GstThreadStats *) value;
470 /* skip stats if there are no pads for that thread (e.g. a pipeline) */
474 printf ("Thread %p Statistics:\n", key);
475 if (GST_CLOCK_TIME_IS_VALID (stats->tthread)) {
476 printf (" Time: %" GST_TIME_FORMAT "\n", GST_TIME_ARGS (stats->tthread));
477 printf (" Avg CPU load: %4.1f %%\n", (gfloat) stats->cpuload / 10.0);
480 puts (" Pad Statistics:");
481 g_slist_foreach (node, print_pad_stats, key);
485 print_element_stats (gpointer value, gpointer user_data)
487 GstElementStats *stats = (GstElementStats *) value;
489 /* skip temporary elements */
490 if (stats->first_ts != GST_CLOCK_TIME_NONE) {
491 gchar fullname[45 + 1];
493 g_snprintf (fullname, 45, "%s:%s", stats->type_name, stats->name);
495 printf (" %-45s:", fullname);
496 if (stats->recv_buffers)
497 printf (" buffers in/out %7u", stats->recv_buffers);
499 printf (" buffers in/out %7s", "-");
500 if (stats->sent_buffers)
501 printf ("/%7u", stats->sent_buffers);
503 printf ("/%7s", "-");
504 if (stats->recv_bytes)
505 printf (" bytes in/out %12" G_GUINT64_FORMAT, stats->recv_bytes);
507 printf (" bytes in/out %12s", "-");
508 if (stats->sent_bytes)
509 printf ("/%12" G_GUINT64_FORMAT, stats->sent_bytes);
511 printf ("/%12s", "-");
512 printf (" first activity %" GST_TIME_FORMAT ", "
513 " ev/msg/qry sent %5u/%5u/%5u\n", GST_TIME_ARGS (stats->first_ts),
514 stats->num_events, stats->num_messages, stats->num_queries);
519 accum_element_stats (gpointer value, gpointer user_data)
521 GstElementStats *stats = (GstElementStats *) value;
523 if (stats->parent_ix != G_MAXUINT) {
524 GstElementStats *parent_stats = get_element_stats (stats->parent_ix);
526 parent_stats->num_events += stats->num_events;
527 parent_stats->num_messages += stats->num_messages;
528 parent_stats->num_queries += stats->num_queries;
529 if (!GST_CLOCK_TIME_IS_VALID (parent_stats->first_ts)) {
530 parent_stats->first_ts = stats->first_ts;
531 } else if (GST_CLOCK_TIME_IS_VALID (stats->first_ts)) {
532 parent_stats->first_ts = MIN (parent_stats->first_ts, stats->first_ts);
534 if (!GST_CLOCK_TIME_IS_VALID (parent_stats->last_ts)) {
535 parent_stats->last_ts = stats->last_ts;
536 } else if (GST_CLOCK_TIME_IS_VALID (stats->last_ts)) {
537 parent_stats->last_ts = MAX (parent_stats->last_ts, stats->last_ts);
545 sort_pad_stats_by_first_activity (gconstpointer ps1, gconstpointer ps2)
547 GstPadStats *s1 = (GstPadStats *) ps1;
548 GstPadStats *s2 = (GstPadStats *) ps2;
550 gint order = GST_CLOCK_DIFF (s2->first_ts, s1->first_ts);
553 order = s1->dir - s2->dir;
559 sort_pad_stats (gpointer value, gpointer user_data)
561 GSList **list = user_data;
564 g_slist_insert_sorted (*list, value, sort_pad_stats_by_first_activity);
568 sort_element_stats_by_first_activity (gconstpointer es1, gconstpointer es2)
570 return (GST_CLOCK_DIFF (((GstElementStats *) es2)->first_ts,
571 ((GstElementStats *) es1)->first_ts));
575 sort_bin_stats (gpointer value, gpointer user_data)
577 if (((GstElementStats *) value)->is_bin) {
578 GSList **list = user_data;
581 g_slist_insert_sorted (*list, value,
582 sort_element_stats_by_first_activity);
587 sort_element_stats (gpointer value, gpointer user_data)
589 if (!(((GstElementStats *) value)->is_bin)) {
590 GSList **list = user_data;
593 g_slist_insert_sorted (*list, value,
594 sort_element_stats_by_first_activity);
599 check_bin_parent (gpointer key, gpointer value, gpointer user_data)
601 GstElementStats *stats = (GstElementStats *) value;
603 return (stats->parent_ix == GPOINTER_TO_UINT (user_data));
607 process_leaf_bins (gpointer key, gpointer value, gpointer user_data)
609 GHashTable *accum_bins = user_data;
611 /* if we find no bin that has this bin as a parent ... */
612 if (!g_hash_table_find (accum_bins, check_bin_parent, key)) {
613 /* accumulate stats to the parent and remove */
614 accum_element_stats (value, NULL);
625 /* compile the parser regexps */
626 /* 0:00:00.004925027 31586 0x1c5c600 DEBUG GST_REGISTRY gstregistry.c:463:gst_registry_add_plugin:<registry0> adding plugin 0x1c79160 for filename "/usr/lib/gstreamer-1.0/libgstxxx.so" */
627 raw_log = g_regex_new (
638 /* 6: file:line:func: */
639 "([^:]*:[0-9]+:[^:]*:) +"
640 /* 7: (obj)? log-text */
641 "(.*)$", 0, 0, NULL);
643 GST_WARNING ("failed to compile the 'raw' parser");
647 ansi_log = g_regex_new (
651 "\\\e\\\[[0-9;]+m *([0-9]+)\\\e\\\[00m +"
655 "(?:\\\e\\\[[0-9;]+m)?([A-Z]+) +\\\e\\\[00m +"
657 "\\\e\\\[[0-9;]+m +([a-zA-Z_-]+) +"
658 /* 6: file:line:func: */
659 "([^:]*:[0-9]+:[^:]*:)(?:\\\e\\\[00m)? +"
660 /* 7: (obj)? log-text */
661 "(.*)$", 0, 0, NULL);
663 GST_WARNING ("failed to compile the 'ansi' parser");
667 elements = g_ptr_array_new_with_free_func (free_element_stats);
668 pads = g_ptr_array_new_with_free_func (free_pad_stats);
669 threads = g_hash_table_new_full (NULL, NULL, NULL, free_thread_stats);
678 g_ptr_array_free (pads, TRUE);
680 g_ptr_array_free (elements, TRUE);
682 g_hash_table_destroy (threads);
685 g_regex_unref (raw_log);
687 g_regex_unref (ansi_log);
693 guint num_threads = g_hash_table_size (threads);
695 /* print overall stats */
696 puts ("\nOverall Statistics:");
697 printf ("Number of Threads: %u\n", num_threads);
698 printf ("Number of Elements: %u\n", num_elements - num_bins);
699 printf ("Number of Bins: %u\n", num_bins);
700 printf ("Number of Pads: %u\n", num_pads - num_ghostpads);
701 printf ("Number of GhostPads: %u\n", num_ghostpads);
702 printf ("Number of Buffers passed: %" G_GUINT64_FORMAT "\n", num_buffers);
703 printf ("Number of Events sent: %" G_GUINT64_FORMAT "\n", num_events);
704 printf ("Number of Message sent: %" G_GUINT64_FORMAT "\n", num_messages);
705 printf ("Number of Queries sent: %" G_GUINT64_FORMAT "\n", num_queries);
706 printf ("Time: %" GST_TIME_FORMAT "\n", GST_TIME_ARGS (last_ts));
708 printf ("Avg CPU load: %4.1f %%\n", (gfloat) total_cpuload / 10.0);
716 g_ptr_array_foreach (pads, sort_pad_stats, &list);
717 g_hash_table_foreach (threads, print_thread_stats, list);
726 puts ("Element Statistics:");
727 /* sort by first_activity */
728 g_ptr_array_foreach (elements, sort_element_stats, &list);
729 /* attribute element stats to bins */
730 g_slist_foreach (list, accum_element_stats, NULL);
731 g_slist_foreach (list, print_element_stats, NULL);
740 GHashTable *accum_bins = g_hash_table_new_full (NULL, NULL, NULL, NULL);
742 puts ("Bin Statistics:");
743 /* attribute bin stats to parent-bins */
744 for (i = 0; i < num_elements; i++) {
745 GstElementStats *stats = g_ptr_array_index (elements, i);
747 g_hash_table_insert (accum_bins, GUINT_TO_POINTER (i), stats);
750 while (g_hash_table_size (accum_bins)) {
751 g_hash_table_foreach_remove (accum_bins, process_leaf_bins, accum_bins);
753 g_hash_table_destroy (accum_bins);
754 /* sort by first_activity */
755 g_ptr_array_foreach (elements, sort_bin_stats, &list);
756 g_slist_foreach (list, print_element_stats, NULL);
763 collect_stats (const gchar * filename)
767 if ((log = fopen (filename, "rt"))) {
771 if (fgets (line, 5000, log)) {
772 GMatchInfo *match_info;
778 if (strchr (line, 27)) {
780 GST_INFO ("format is 'ansi'");
783 GST_INFO ("format is 'raw'");
788 while (!feof (log)) {
789 if (fgets (line, 5000, log)) {
790 if (g_regex_match (parser, line, 0, &match_info)) {
791 /* filter by level */
792 level = g_match_info_fetch (match_info, 4);
793 if (!strcmp (level, "TRACE")) {
794 data = g_match_info_fetch (match_info, 7);
795 if ((s = gst_structure_from_string (data, NULL))) {
796 const gchar *name = gst_structure_get_name (s);
798 if (!strcmp (name, "new-pad")) {
800 } else if (!strcmp (name, "new-element")) {
801 new_element_stats (s);
802 } else if (!strcmp (name, "buffer")) {
804 } else if (!strcmp (name, "event")) {
806 } else if (!strcmp (name, "message")) {
807 do_message_stats (s);
808 } else if (!strcmp (name, "query")) {
810 } else if (!strcmp (name, "thread-rusage")) {
811 do_thread_rusage_stats (s);
812 } else if (!strcmp (name, "proc-rusage")) {
813 do_proc_rusage_stats (s);
815 // TODO(ensonic): parse the xxx.class log lines
816 if (!g_str_has_suffix (data, ".class")) {
817 GST_WARNING ("unknown log entry: '%s'", data);
820 gst_structure_free (s);
822 GST_WARNING ("unknown log entry: '%s'", data);
827 GST_WARNING ("foreign log entry: %s:%d:'%s'", filename, lnr,
831 g_match_info_free (match_info);
836 // TODO(ensonic): run wc -L on the log file
837 fprintf (stderr, "line too long");
842 GST_WARNING ("empty log");
849 main (gint argc, gchar * argv[])
851 gchar **filenames = NULL;
855 GOptionEntry options[] = {
856 GST_TOOLS_GOPTION_VERSION,
857 // TODO(ensonic): add a summary flag, if set read the whole thing, print
858 // stats once, and exit
859 {G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &filenames, NULL}
865 bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
866 bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
867 textdomain (GETTEXT_PACKAGE);
870 g_set_prgname ("gst-stats-" GST_API_VERSION);
872 ctx = g_option_context_new ("FILE");
873 g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
874 g_option_context_add_group (ctx, gst_init_get_option_group ());
875 if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
876 g_print ("Error initializing: %s\n", GST_STR_NULL (err->message));
879 g_option_context_free (ctx);
881 gst_tools_print_version ();
883 if (filenames == NULL || *filenames == NULL) {
884 g_print ("Please give one filename to %s\n\n", g_get_prgname ());
887 num = g_strv_length (filenames);
888 if (num == 0 || num > 1) {
889 g_print ("Please give exactly one filename to %s (%d given).\n\n",
890 g_get_prgname (), num);
895 collect_stats (filenames[0]);
900 g_strfreev (filenames);