1 /* GStreamer
2 * Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
23
24 #include <locale.h>
25
26 #include <stdlib.h>
27 #include <glib.h>
28 #include <gst/gst.h>
29 #include <gst/pbutils/pbutils.h>
30 #include <gst/audio/audio.h>
31
32 #define MAX_INDENT 40
33
34 /* *INDENT-OFF* */
35 static void my_g_string_append_printf (GString * str, int depth, const gchar * format, ...) G_GNUC_PRINTF (3, 4);
36 /* *INDENT-ON* */
37
38 static gboolean async = FALSE;
39 static gboolean show_toc = FALSE;
40 static gboolean verbose = FALSE;
41
42 typedef struct
43 {
44 GstDiscoverer *dc;
45 int argc;
46 char **argv;
47 } PrivStruct;
48
49 static void
my_g_string_append_printf(GString * str,int depth,const gchar * format,...)50 my_g_string_append_printf (GString * str, int depth, const gchar * format, ...)
51 {
52 va_list args;
53
54 while (depth-- > 0) {
55 g_string_append (str, " ");
56 }
57
58 va_start (args, format);
59 g_string_append_vprintf (str, format, args);
60 va_end (args);
61 }
62
63 static void
gst_stream_information_to_string(GstDiscovererStreamInfo * info,GString * s,guint depth)64 gst_stream_information_to_string (GstDiscovererStreamInfo * info, GString * s,
65 guint depth)
66 {
67 gchar *tmp;
68 GstCaps *caps;
69 #ifndef GST_DISABLE_DEPRECATED
70 const GstStructure *misc;
71 #endif
72
73 my_g_string_append_printf (s, depth, "Codec:\n");
74 caps = gst_discoverer_stream_info_get_caps (info);
75 tmp = gst_caps_to_string (caps);
76 gst_caps_unref (caps);
77 my_g_string_append_printf (s, depth, " %s\n", tmp);
78 g_free (tmp);
79
80 #ifndef GST_DISABLE_DEPRECATED
81 my_g_string_append_printf (s, depth, "Additional info:\n");
82 if ((misc = gst_discoverer_stream_info_get_misc (info))) {
83 tmp = gst_structure_to_string (misc);
84 my_g_string_append_printf (s, depth, " %s\n", tmp);
85 g_free (tmp);
86 } else {
87 my_g_string_append_printf (s, depth, " None\n");
88 }
89 #endif
90
91 my_g_string_append_printf (s, depth, "Stream ID: %s\n",
92 gst_discoverer_stream_info_get_stream_id (info));
93 }
94
95 static void
print_tag_foreach(const GstTagList * tags,const gchar * tag,gpointer user_data)96 print_tag_foreach (const GstTagList * tags, const gchar * tag,
97 gpointer user_data)
98 {
99 GValue val = { 0, };
100 gchar *str;
101 guint depth = GPOINTER_TO_UINT (user_data);
102
103 if (!gst_tag_list_copy_value (&val, tags, tag))
104 return;
105
106 if (G_VALUE_HOLDS_STRING (&val)) {
107 str = g_value_dup_string (&val);
108 } else if (G_VALUE_TYPE (&val) == GST_TYPE_SAMPLE) {
109 GstSample *sample = gst_value_get_sample (&val);
110 GstBuffer *img = gst_sample_get_buffer (sample);
111 GstCaps *caps = gst_sample_get_caps (sample);
112
113 if (img) {
114 if (caps) {
115 gchar *caps_str;
116
117 caps_str = gst_caps_to_string (caps);
118 str = g_strdup_printf ("buffer of %" G_GSIZE_FORMAT " bytes, "
119 "type: %s", gst_buffer_get_size (img), caps_str);
120 g_free (caps_str);
121 } else {
122 str = g_strdup_printf ("buffer of %" G_GSIZE_FORMAT " bytes",
123 gst_buffer_get_size (img));
124 }
125 } else {
126 str = g_strdup ("NULL buffer");
127 }
128 } else {
129 str = gst_value_serialize (&val);
130 }
131
132 g_print ("%*s%s: %s\n", 2 * depth, " ", gst_tag_get_nick (tag), str);
133 g_free (str);
134
135 g_value_unset (&val);
136 }
137
138 static void
print_tags_topology(guint depth,const GstTagList * tags)139 print_tags_topology (guint depth, const GstTagList * tags)
140 {
141 g_print ("%*sTags:\n", 2 * depth, " ");
142 if (tags) {
143 gst_tag_list_foreach (tags, print_tag_foreach,
144 GUINT_TO_POINTER (depth + 1));
145 } else {
146 g_print ("%*sNone\n", 2 * (depth + 1), " ");
147 }
148 if (verbose)
149 g_print ("%*s\n", 2 * depth, " ");
150 }
151
152 static gchar *
format_channel_mask(GstDiscovererAudioInfo * ainfo)153 format_channel_mask (GstDiscovererAudioInfo * ainfo)
154 {
155 GString *s = g_string_sized_new (32);
156 GstAudioChannelPosition position[64];
157 guint channels = gst_discoverer_audio_info_get_channels (ainfo);
158 GEnumClass *enum_class = g_type_class_ref (GST_TYPE_AUDIO_CHANNEL_POSITION);
159 guint i;
160 guint64 channel_mask;
161
162 if (channels == 0)
163 goto done;
164
165 channel_mask = gst_discoverer_audio_info_get_channel_mask (ainfo);
166
167 if (channel_mask != 0) {
168 gst_audio_channel_positions_from_mask (channels, channel_mask, position);
169
170 for (i = 0; i < channels; i++) {
171 GEnumValue *value = g_enum_get_value (enum_class, position[i]);
172 my_g_string_append_printf (s, 0, "%s%s", value->value_nick,
173 i + 1 == channels ? "" : ", ");
174 }
175 } else {
176 g_string_append (s, "unknown layout");
177 }
178
179 g_type_class_unref (enum_class);
180
181 done:
182 return g_string_free (s, FALSE);
183 }
184
185 static gchar *
gst_stream_audio_information_to_string(GstDiscovererStreamInfo * info,guint depth)186 gst_stream_audio_information_to_string (GstDiscovererStreamInfo * info,
187 guint depth)
188 {
189 GstDiscovererAudioInfo *audio_info;
190 GString *s;
191 const gchar *ctmp;
192 int len = 400;
193 const GstTagList *tags;
194 gchar *channel_positions;
195
196 g_return_val_if_fail (info != NULL, NULL);
197
198 s = g_string_sized_new (len);
199
200 gst_stream_information_to_string (info, s, depth);
201
202 audio_info = (GstDiscovererAudioInfo *) info;
203 ctmp = gst_discoverer_audio_info_get_language (audio_info);
204 my_g_string_append_printf (s, depth, "Language: %s\n",
205 ctmp ? ctmp : "<unknown>");
206
207 channel_positions = format_channel_mask (audio_info);
208 my_g_string_append_printf (s, depth, "Channels: %u (%s)\n",
209 gst_discoverer_audio_info_get_channels (audio_info), channel_positions);
210 g_free (channel_positions);
211
212 my_g_string_append_printf (s, depth, "Sample rate: %u\n",
213 gst_discoverer_audio_info_get_sample_rate (audio_info));
214 my_g_string_append_printf (s, depth, "Depth: %u\n",
215 gst_discoverer_audio_info_get_depth (audio_info));
216
217 my_g_string_append_printf (s, depth, "Bitrate: %u\n",
218 gst_discoverer_audio_info_get_bitrate (audio_info));
219 my_g_string_append_printf (s, depth, "Max bitrate: %u\n",
220 gst_discoverer_audio_info_get_max_bitrate (audio_info));
221
222 tags = gst_discoverer_stream_info_get_tags (info);
223 print_tags_topology (depth, tags);
224
225 return g_string_free (s, FALSE);
226 }
227
228 static gchar *
gst_stream_video_information_to_string(GstDiscovererStreamInfo * info,guint depth)229 gst_stream_video_information_to_string (GstDiscovererStreamInfo * info,
230 guint depth)
231 {
232 GstDiscovererVideoInfo *video_info;
233 GString *s;
234 int len = 500;
235 const GstTagList *tags;
236
237 g_return_val_if_fail (info != NULL, NULL);
238
239 s = g_string_sized_new (len);
240
241 gst_stream_information_to_string (info, s, depth);
242
243 video_info = (GstDiscovererVideoInfo *) info;
244 my_g_string_append_printf (s, depth, "Width: %u\n",
245 gst_discoverer_video_info_get_width (video_info));
246 my_g_string_append_printf (s, depth, "Height: %u\n",
247 gst_discoverer_video_info_get_height (video_info));
248 my_g_string_append_printf (s, depth, "Depth: %u\n",
249 gst_discoverer_video_info_get_depth (video_info));
250
251 my_g_string_append_printf (s, depth, "Frame rate: %u/%u\n",
252 gst_discoverer_video_info_get_framerate_num (video_info),
253 gst_discoverer_video_info_get_framerate_denom (video_info));
254
255 my_g_string_append_printf (s, depth, "Pixel aspect ratio: %u/%u\n",
256 gst_discoverer_video_info_get_par_num (video_info),
257 gst_discoverer_video_info_get_par_denom (video_info));
258
259 my_g_string_append_printf (s, depth, "Interlaced: %s\n",
260 gst_discoverer_video_info_is_interlaced (video_info) ? "true" : "false");
261
262 my_g_string_append_printf (s, depth, "Bitrate: %u\n",
263 gst_discoverer_video_info_get_bitrate (video_info));
264 my_g_string_append_printf (s, depth, "Max bitrate: %u\n",
265 gst_discoverer_video_info_get_max_bitrate (video_info));
266
267 tags = gst_discoverer_stream_info_get_tags (info);
268 print_tags_topology (depth, tags);
269
270 return g_string_free (s, FALSE);
271 }
272
273 static gchar *
gst_stream_subtitle_information_to_string(GstDiscovererStreamInfo * info,guint depth)274 gst_stream_subtitle_information_to_string (GstDiscovererStreamInfo * info,
275 guint depth)
276 {
277 GstDiscovererSubtitleInfo *subtitle_info;
278 GString *s;
279 const gchar *ctmp;
280 int len = 400;
281 const GstTagList *tags;
282
283 g_return_val_if_fail (info != NULL, NULL);
284
285 s = g_string_sized_new (len);
286
287 gst_stream_information_to_string (info, s, depth);
288
289 subtitle_info = (GstDiscovererSubtitleInfo *) info;
290 ctmp = gst_discoverer_subtitle_info_get_language (subtitle_info);
291 my_g_string_append_printf (s, depth, "Language: %s\n",
292 ctmp ? ctmp : "<unknown>");
293
294 tags = gst_discoverer_stream_info_get_tags (info);
295 print_tags_topology (depth, tags);
296
297 return g_string_free (s, FALSE);
298 }
299
300 static void
print_stream_info(GstDiscovererStreamInfo * info,void * depth)301 print_stream_info (GstDiscovererStreamInfo * info, void *depth)
302 {
303 gchar *desc = NULL;
304 GstCaps *caps;
305
306 caps = gst_discoverer_stream_info_get_caps (info);
307
308 if (caps) {
309 if (gst_caps_is_fixed (caps) && !verbose)
310 desc = gst_pb_utils_get_codec_description (caps);
311 else
312 desc = gst_caps_to_string (caps);
313 gst_caps_unref (caps);
314 }
315
316 g_print ("%*s%s: %s\n", 2 * GPOINTER_TO_INT (depth), " ",
317 gst_discoverer_stream_info_get_stream_type_nick (info), desc);
318
319 if (desc) {
320 g_free (desc);
321 desc = NULL;
322 }
323
324 if (verbose) {
325 if (GST_IS_DISCOVERER_AUDIO_INFO (info))
326 desc =
327 gst_stream_audio_information_to_string (info,
328 GPOINTER_TO_INT (depth) + 1);
329 else if (GST_IS_DISCOVERER_VIDEO_INFO (info))
330 desc =
331 gst_stream_video_information_to_string (info,
332 GPOINTER_TO_INT (depth) + 1);
333 else if (GST_IS_DISCOVERER_SUBTITLE_INFO (info))
334 desc =
335 gst_stream_subtitle_information_to_string (info,
336 GPOINTER_TO_INT (depth) + 1);
337 if (desc) {
338 g_print ("%s", desc);
339 g_free (desc);
340 }
341 }
342 }
343
344 static void
print_topology(GstDiscovererStreamInfo * info,guint depth)345 print_topology (GstDiscovererStreamInfo * info, guint depth)
346 {
347 GstDiscovererStreamInfo *next;
348
349 if (!info)
350 return;
351
352 print_stream_info (info, GINT_TO_POINTER (depth));
353
354 next = gst_discoverer_stream_info_get_next (info);
355 if (next) {
356 print_topology (next, depth + 1);
357 gst_discoverer_stream_info_unref (next);
358 } else if (GST_IS_DISCOVERER_CONTAINER_INFO (info)) {
359 GList *tmp, *streams;
360
361 streams =
362 gst_discoverer_container_info_get_streams (GST_DISCOVERER_CONTAINER_INFO
363 (info));
364 for (tmp = streams; tmp; tmp = tmp->next) {
365 GstDiscovererStreamInfo *tmpinf = (GstDiscovererStreamInfo *) tmp->data;
366 print_topology (tmpinf, depth + 1);
367 }
368 gst_discoverer_stream_info_list_free (streams);
369 }
370 }
371
372 static void
print_toc_entry(gpointer data,gpointer user_data)373 print_toc_entry (gpointer data, gpointer user_data)
374 {
375 GstTocEntry *entry = (GstTocEntry *) data;
376 guint depth = GPOINTER_TO_UINT (user_data);
377 guint indent = MIN (GPOINTER_TO_UINT (user_data), MAX_INDENT);
378 GstTagList *tags;
379 GList *subentries;
380 gint64 start, stop;
381
382 gst_toc_entry_get_start_stop_times (entry, &start, &stop);
383 g_print ("%*s%s: start: %" GST_TIME_FORMAT " stop: %" GST_TIME_FORMAT "\n",
384 depth, " ",
385 gst_toc_entry_type_get_nick (gst_toc_entry_get_entry_type (entry)),
386 GST_TIME_ARGS (start), GST_TIME_ARGS (stop));
387 indent += 2;
388
389 /* print tags */
390 tags = gst_toc_entry_get_tags (entry);
391 if (tags) {
392 g_print ("%*sTags:\n", 2 * depth, " ");
393 gst_tag_list_foreach (tags, print_tag_foreach, GUINT_TO_POINTER (indent));
394 }
395
396 /* loop over sub-toc entries */
397 subentries = gst_toc_entry_get_sub_entries (entry);
398 g_list_foreach (subentries, print_toc_entry, GUINT_TO_POINTER (indent));
399 }
400
401 static void
print_properties(GstDiscovererInfo * info,gint tab)402 print_properties (GstDiscovererInfo * info, gint tab)
403 {
404 const GstTagList *tags;
405 const GstToc *toc;
406
407 g_print ("%*sDuration: %" GST_TIME_FORMAT "\n", tab + 1, " ",
408 GST_TIME_ARGS (gst_discoverer_info_get_duration (info)));
409 g_print ("%*sSeekable: %s\n", tab + 1, " ",
410 (gst_discoverer_info_get_seekable (info) ? "yes" : "no"));
411 g_print ("%*sLive: %s\n", tab + 1, " ",
412 (gst_discoverer_info_get_live (info) ? "yes" : "no"));
413 if ((tags = gst_discoverer_info_get_tags (info))) {
414 g_print ("%*sTags: \n", tab + 1, " ");
415 gst_tag_list_foreach (tags, print_tag_foreach, GUINT_TO_POINTER (tab + 2));
416 }
417 if (show_toc && (toc = gst_discoverer_info_get_toc (info))) {
418 GList *entries;
419
420 g_print ("%*sTOC: \n", tab + 1, " ");
421 entries = gst_toc_get_entries (toc);
422 g_list_foreach (entries, print_toc_entry, GUINT_TO_POINTER (tab + 5));
423 }
424 }
425
426 static void
print_info(GstDiscovererInfo * info,GError * err)427 print_info (GstDiscovererInfo * info, GError * err)
428 {
429 GstDiscovererResult result;
430 GstDiscovererStreamInfo *sinfo;
431
432 if (!info) {
433 g_print ("Could not discover URI\n");
434 g_print (" %s\n", err->message);
435 return;
436 }
437
438 result = gst_discoverer_info_get_result (info);
439 g_print ("Done discovering %s\n", gst_discoverer_info_get_uri (info));
440 switch (result) {
441 case GST_DISCOVERER_OK:
442 {
443 break;
444 }
445 case GST_DISCOVERER_URI_INVALID:
446 {
447 g_print ("URI is not valid\n");
448 break;
449 }
450 case GST_DISCOVERER_ERROR:
451 {
452 g_print ("An error was encountered while discovering the file\n");
453 g_print (" %s\n", err->message);
454 break;
455 }
456 case GST_DISCOVERER_TIMEOUT:
457 {
458 g_print ("Analyzing URI timed out\n");
459 break;
460 }
461 case GST_DISCOVERER_BUSY:
462 {
463 g_print ("Discoverer was busy\n");
464 break;
465 }
466 case GST_DISCOVERER_MISSING_PLUGINS:
467 {
468 g_print ("Missing plugins\n");
469 if (verbose) {
470 gint i = 0;
471 const gchar **installer_details =
472 gst_discoverer_info_get_missing_elements_installer_details (info);
473
474 while (installer_details[i]) {
475 g_print (" (%s)\n", installer_details[i]);
476
477 i++;
478 }
479 }
480 break;
481 }
482 }
483
484 if ((sinfo = gst_discoverer_info_get_stream_info (info))) {
485 g_print ("\nTopology:\n");
486 print_topology (sinfo, 1);
487 g_print ("\nProperties:\n");
488 print_properties (info, 1);
489 gst_discoverer_stream_info_unref (sinfo);
490 }
491
492 g_print ("\n");
493 }
494
495 static void
process_file(GstDiscoverer * dc,const gchar * filename)496 process_file (GstDiscoverer * dc, const gchar * filename)
497 {
498 GError *err = NULL;
499 GDir *dir;
500 gchar *uri, *path;
501 GstDiscovererInfo *info;
502
503 if (!gst_uri_is_valid (filename)) {
504 /* Recurse into directories */
505 if ((dir = g_dir_open (filename, 0, NULL))) {
506 const gchar *entry;
507
508 while ((entry = g_dir_read_name (dir))) {
509 gchar *path;
510 path = g_strconcat (filename, G_DIR_SEPARATOR_S, entry, NULL);
511 process_file (dc, path);
512 g_free (path);
513 }
514
515 g_dir_close (dir);
516 return;
517 }
518
519 if (!g_path_is_absolute (filename)) {
520 gchar *cur_dir;
521
522 cur_dir = g_get_current_dir ();
523 path = g_build_filename (cur_dir, filename, NULL);
524 g_free (cur_dir);
525 } else {
526 path = g_strdup (filename);
527 }
528
529 uri = g_filename_to_uri (path, NULL, &err);
530 g_free (path);
531 path = NULL;
532
533 if (err) {
534 g_warning ("Couldn't convert filename to URI: %s\n", err->message);
535 g_clear_error (&err);
536 return;
537 }
538 } else {
539 uri = g_strdup (filename);
540 }
541
542 if (!async) {
543 g_print ("Analyzing %s\n", uri);
544 info = gst_discoverer_discover_uri (dc, uri, &err);
545 print_info (info, err);
546 g_clear_error (&err);
547 if (info)
548 gst_discoverer_info_unref (info);
549 } else {
550 gst_discoverer_discover_uri_async (dc, uri);
551 }
552
553 g_free (uri);
554 }
555
556 static void
_new_discovered_uri(GstDiscoverer * dc,GstDiscovererInfo * info,GError * err)557 _new_discovered_uri (GstDiscoverer * dc, GstDiscovererInfo * info, GError * err)
558 {
559 print_info (info, err);
560 }
561
562 static gboolean
_run_async(PrivStruct * ps)563 _run_async (PrivStruct * ps)
564 {
565 gint i;
566
567 for (i = 1; i < ps->argc; i++)
568 process_file (ps->dc, ps->argv[i]);
569
570 return FALSE;
571 }
572
573 static void
_discoverer_finished(GstDiscoverer * dc,GMainLoop * ml)574 _discoverer_finished (GstDiscoverer * dc, GMainLoop * ml)
575 {
576 g_main_loop_quit (ml);
577 }
578
579 int
main(int argc,char ** argv)580 main (int argc, char **argv)
581 {
582 GError *err = NULL;
583 GstDiscoverer *dc;
584 gint timeout = 10;
585 gboolean use_cache = FALSE, print_cache_dir = FALSE;
586 GOptionEntry options[] = {
587 {"async", 'a', 0, G_OPTION_ARG_NONE, &async,
588 "Run asynchronously", NULL},
589 {"use-cache", 'a', 0, G_OPTION_ARG_NONE, &use_cache,
590 "Use GstDiscovererInfo from our cache.", NULL},
591 {"print-cache-dir", 0, 0, G_OPTION_ARG_NONE, &print_cache_dir,
592 "Print the directory of the discoverer cache.", NULL},
593 {"timeout", 't', 0, G_OPTION_ARG_INT, &timeout,
594 "Specify timeout (in seconds, default 10)", "T"},
595 /* {"elem", 'e', 0, G_OPTION_ARG_NONE, &elem_seek, */
596 /* "Seek on elements instead of pads", NULL}, */
597 {"toc", 'c', 0, G_OPTION_ARG_NONE, &show_toc,
598 "Output TOC (chapters and editions)", NULL},
599 {"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose,
600 "Verbose properties", NULL},
601 {NULL}
602 };
603 GOptionContext *ctx;
604
605 setlocale (LC_ALL, "");
606
607 ctx =
608 g_option_context_new
609 ("- discover files synchronously with GstDiscoverer");
610 g_option_context_add_main_entries (ctx, options, NULL);
611 g_option_context_add_group (ctx, gst_init_get_option_group ());
612
613 if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
614 g_print ("Error initializing: %s\n", err->message);
615 g_option_context_free (ctx);
616 g_clear_error (&err);
617 exit (1);
618 }
619
620 g_option_context_free (ctx);
621
622 if (argc < 2) {
623 g_print ("usage: %s <uris>\n", argv[0]);
624 exit (-1);
625 }
626
627 if (print_cache_dir) {
628 gchar *cache_dir =
629 g_build_filename (g_get_user_cache_dir (), "gstreamer-" GST_API_VERSION,
630 "discoverer", NULL);
631 g_print ("\nGstDiscoverer cache directory:\n\n %s\n\n", cache_dir);
632 g_free (cache_dir);
633 exit (0);
634 }
635
636 dc = gst_discoverer_new (timeout * GST_SECOND, &err);
637 if (G_UNLIKELY (dc == NULL)) {
638 g_print ("Error initializing: %s\n", err->message);
639 g_clear_error (&err);
640 exit (1);
641 }
642
643 g_object_set (dc, "use-cache", use_cache, NULL);
644
645 if (!async) {
646 gint i;
647 for (i = 1; i < argc; i++)
648 process_file (dc, argv[i]);
649 } else {
650 PrivStruct *ps = g_new0 (PrivStruct, 1);
651 GMainLoop *ml = g_main_loop_new (NULL, FALSE);
652
653 ps->dc = dc;
654 ps->argc = argc;
655 ps->argv = argv;
656
657 /* adding uris will be started when the mainloop runs */
658 g_idle_add ((GSourceFunc) _run_async, ps);
659
660 /* connect signals */
661 g_signal_connect (dc, "discovered", G_CALLBACK (_new_discovered_uri), NULL);
662 g_signal_connect (dc, "finished", G_CALLBACK (_discoverer_finished), ml);
663
664 gst_discoverer_start (dc);
665 /* run mainloop */
666 g_main_loop_run (ml);
667
668 gst_discoverer_stop (dc);
669 g_free (ps);
670 g_main_loop_unref (ml);
671 }
672 g_object_unref (dc);
673
674 return 0;
675 }
676