2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wtay@chello.be>
4 * 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
6 * gstinfo.c: debugging functions
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
24 #include "gst_private.h"
28 #ifndef GST_DISABLE_GST_DEBUG
33 #ifdef HAVE_PRINTF_EXTENSION
36 #include <stdio.h> /* fprintf */
40 #include <string.h> /* G_VA_COPY */
42 #include "gst_private.h"
43 #include "gstelement.h"
45 #include "gstscheduler.h"
46 #include "gst_private.h"
48 #include <valgrind/valgrind.h>
51 /* underscore is to prevent conflict with GST_CAT_DEBUG define */
52 GST_DEBUG_CATEGORY_STATIC (_GST_CAT_DEBUG);
56 #include <rld_interface.h>
57 typedef struct DL_INFO
59 const char *dli_fname;
61 const char *dli_sname;
69 #define _RLD_DLADDR 14
70 int dladdr (void *address, Dl_info * dl);
73 dladdr (void *address, Dl_info * dl)
77 v = _rld_new_interface (_RLD_DLADDR, address, dl);
83 static void gst_debug_reset_threshold (gpointer category, gpointer unused);
84 static void gst_debug_reset_all_thresholds (void);
86 #ifdef HAVE_PRINTF_EXTENSION
87 static int _gst_info_printf_extension (FILE * stream,
88 const struct printf_info *info, const void *const *args);
89 static int _gst_info_printf_extension_arginfo (const struct printf_info *info,
90 size_t n, int *argtypes);
93 struct _GstDebugMessage
100 /* list of all name/level pairs from --gst-debug and GST_DEBUG */
101 static GStaticMutex __level_name_mutex = G_STATIC_MUTEX_INIT;
102 static GSList *__level_name = NULL;
110 /* list of all categories */
111 static GStaticMutex __cat_mutex = G_STATIC_MUTEX_INIT;
112 static GSList *__categories = NULL;
114 /* all registered debug handlers */
121 static GStaticMutex __log_func_mutex = G_STATIC_MUTEX_INIT;
122 static GSList *__log_functions = NULL;
124 static GstAtomicInt __default_level;
125 static GstAtomicInt __use_color;
126 gboolean __gst_debug_enabled = TRUE;
129 GstDebugCategory *GST_CAT_DEFAULT = NULL;
131 GstDebugCategory *GST_CAT_GST_INIT = NULL;
132 GstDebugCategory *GST_CAT_COTHREADS = NULL;
133 GstDebugCategory *GST_CAT_COTHREAD_SWITCH = NULL;
134 GstDebugCategory *GST_CAT_AUTOPLUG = NULL;
135 GstDebugCategory *GST_CAT_AUTOPLUG_ATTEMPT = NULL;
136 GstDebugCategory *GST_CAT_PARENTAGE = NULL;
137 GstDebugCategory *GST_CAT_STATES = NULL;
138 GstDebugCategory *GST_CAT_PLANNING = NULL;
139 GstDebugCategory *GST_CAT_SCHEDULING = NULL;
140 GstDebugCategory *GST_CAT_DATAFLOW = NULL;
141 GstDebugCategory *GST_CAT_BUFFER = NULL;
142 GstDebugCategory *GST_CAT_CAPS = NULL;
143 GstDebugCategory *GST_CAT_CLOCK = NULL;
144 GstDebugCategory *GST_CAT_ELEMENT_PADS = NULL;
145 GstDebugCategory *GST_CAT_PADS = NULL;
146 GstDebugCategory *GST_CAT_PIPELINE = NULL;
147 GstDebugCategory *GST_CAT_PLUGIN_LOADING = NULL;
148 GstDebugCategory *GST_CAT_PLUGIN_INFO = NULL;
149 GstDebugCategory *GST_CAT_PROPERTIES = NULL;
150 GstDebugCategory *GST_CAT_THREAD = NULL;
151 GstDebugCategory *GST_CAT_TYPES = NULL;
152 GstDebugCategory *GST_CAT_XML = NULL;
153 GstDebugCategory *GST_CAT_NEGOTIATION = NULL;
154 GstDebugCategory *GST_CAT_REFCOUNTING = NULL;
155 GstDebugCategory *GST_CAT_ERROR_SYSTEM = NULL;
156 GstDebugCategory *GST_CAT_EVENT = NULL;
157 GstDebugCategory *GST_CAT_PARAMS = NULL;
158 GstDebugCategory *GST_CAT_CALL_TRACE = NULL;
159 GstDebugCategory *GST_CAT_SEEK = NULL;
161 /* FIXME: export this? */
163 __gst_in_valgrind (void)
171 in_valgrind = GST_VG_UNCHECKED;
173 if (in_valgrind == GST_VG_UNCHECKED) {
175 if (RUNNING_ON_VALGRIND) {
176 GST_CAT_INFO (GST_CAT_GST_INIT, "we're running inside valgrind");
178 ("GStreamer has detected that it is running inside valgrind.");
180 ("It might now take different code paths to ease debugging.");
181 VALGRIND_PRINTF ("Of course, this may also lead to different bugs.");
182 in_valgrind = GST_VG_INSIDE;
184 GST_CAT_LOG (GST_CAT_GST_INIT, "not doing extra valgrind stuff");
185 in_valgrind = GST_VG_NO_VALGRIND;
188 in_valgrind = GST_VG_NO_VALGRIND;
190 g_assert (in_valgrind == GST_VG_NO_VALGRIND ||
191 in_valgrind == GST_VG_INSIDE);
193 return (in_valgrind == GST_VG_INSIDE) ? TRUE : FALSE;
199 * Initializes the debugging system.
200 * Normally you don't want to call this, because gst_init does it for you.
203 _gst_debug_init (void)
205 gst_atomic_int_init (&__default_level, GST_LEVEL_DEFAULT);
206 gst_atomic_int_init (&__use_color, 1);
208 #ifdef HAVE_PRINTF_EXTENSION
209 register_printf_function (GST_PTR_FORMAT[0], _gst_info_printf_extension,
210 _gst_info_printf_extension_arginfo);
213 /* do NOT use a single debug function before this line has been run */
214 GST_CAT_DEFAULT = _gst_debug_category_new ("default",
215 GST_DEBUG_UNDERLINE, NULL);
216 _GST_CAT_DEBUG = _gst_debug_category_new ("GST_DEBUG",
217 GST_DEBUG_BOLD | GST_DEBUG_FG_YELLOW, "debugging subsystem");
219 gst_debug_add_log_function (gst_debug_log_default, NULL);
221 /* FIXME: add descriptions here */
222 GST_CAT_GST_INIT = _gst_debug_category_new ("GST_INIT",
223 GST_DEBUG_BOLD | GST_DEBUG_FG_RED, NULL);
224 GST_CAT_COTHREADS = _gst_debug_category_new ("GST_COTHREADS",
225 GST_DEBUG_BOLD | GST_DEBUG_FG_GREEN, NULL);
226 GST_CAT_COTHREAD_SWITCH = _gst_debug_category_new ("GST_COTHREAD_SWITCH",
227 GST_DEBUG_BOLD | GST_DEBUG_FG_WHITE | GST_DEBUG_BG_GREEN, NULL);
228 GST_CAT_AUTOPLUG = _gst_debug_category_new ("GST_AUTOPLUG",
229 GST_DEBUG_BOLD | GST_DEBUG_FG_BLUE, NULL);
230 GST_CAT_AUTOPLUG_ATTEMPT = _gst_debug_category_new ("GST_AUTOPLUG_ATTEMPT",
231 GST_DEBUG_BOLD | GST_DEBUG_FG_CYAN | GST_DEBUG_BG_BLUE, NULL);
232 GST_CAT_PARENTAGE = _gst_debug_category_new ("GST_PARENTAGE",
233 GST_DEBUG_BOLD | GST_DEBUG_FG_WHITE | GST_DEBUG_BG_RED, NULL);
234 GST_CAT_STATES = _gst_debug_category_new ("GST_STATES",
235 GST_DEBUG_BOLD | GST_DEBUG_FG_RED, NULL);
236 GST_CAT_PLANNING = _gst_debug_category_new ("GST_PLANNING",
237 GST_DEBUG_BOLD | GST_DEBUG_FG_MAGENTA, NULL);
238 GST_CAT_SCHEDULING = _gst_debug_category_new ("GST_SCHEDULING",
239 GST_DEBUG_BOLD | GST_DEBUG_FG_MAGENTA, NULL);
240 GST_CAT_DATAFLOW = _gst_debug_category_new ("GST_DATAFLOW",
241 GST_DEBUG_BOLD | GST_DEBUG_FG_GREEN, NULL);
242 GST_CAT_BUFFER = _gst_debug_category_new ("GST_BUFFER",
243 GST_DEBUG_BOLD | GST_DEBUG_FG_GREEN, NULL);
244 GST_CAT_CAPS = _gst_debug_category_new ("GST_CAPS",
245 GST_DEBUG_BOLD | GST_DEBUG_FG_BLUE, NULL);
246 GST_CAT_CLOCK = _gst_debug_category_new ("GST_CLOCK",
247 GST_DEBUG_BOLD | GST_DEBUG_FG_YELLOW, NULL);
248 GST_CAT_ELEMENT_PADS = _gst_debug_category_new ("GST_ELEMENT_PADS",
249 GST_DEBUG_BOLD | GST_DEBUG_FG_WHITE | GST_DEBUG_BG_RED, NULL);
250 GST_CAT_PADS = _gst_debug_category_new ("GST_PADS",
251 GST_DEBUG_BOLD | GST_DEBUG_FG_WHITE | GST_DEBUG_BG_RED, NULL);
252 GST_CAT_PIPELINE = _gst_debug_category_new ("GST_PIPELINE",
253 GST_DEBUG_BOLD | GST_DEBUG_FG_WHITE | GST_DEBUG_BG_RED, NULL);
254 GST_CAT_PLUGIN_LOADING = _gst_debug_category_new ("GST_PLUGIN_LOADING",
255 GST_DEBUG_BOLD | GST_DEBUG_FG_CYAN, NULL);
256 GST_CAT_PLUGIN_INFO = _gst_debug_category_new ("GST_PLUGIN_INFO",
257 GST_DEBUG_BOLD | GST_DEBUG_FG_CYAN, NULL);
258 GST_CAT_PROPERTIES = _gst_debug_category_new ("GST_PROPERTIES",
259 GST_DEBUG_BOLD | GST_DEBUG_FG_WHITE | GST_DEBUG_BG_BLUE, NULL);
260 GST_CAT_THREAD = _gst_debug_category_new ("GST_THREAD",
261 GST_DEBUG_BOLD | GST_DEBUG_FG_RED, NULL);
262 GST_CAT_TYPES = _gst_debug_category_new ("GST_TYPES",
263 GST_DEBUG_BOLD | GST_DEBUG_FG_WHITE | GST_DEBUG_BG_RED, NULL);
264 GST_CAT_XML = _gst_debug_category_new ("GST_XML",
265 GST_DEBUG_BOLD | GST_DEBUG_FG_WHITE | GST_DEBUG_BG_RED, NULL);
266 GST_CAT_NEGOTIATION = _gst_debug_category_new ("GST_NEGOTIATION",
267 GST_DEBUG_BOLD | GST_DEBUG_FG_BLUE, NULL);
268 GST_CAT_REFCOUNTING = _gst_debug_category_new ("GST_REFCOUNTING",
269 GST_DEBUG_BOLD | GST_DEBUG_FG_BLUE | GST_DEBUG_BG_GREEN, NULL);
270 GST_CAT_ERROR_SYSTEM = _gst_debug_category_new ("GST_ERROR_SYSTEM",
271 GST_DEBUG_BOLD | GST_DEBUG_FG_RED | GST_DEBUG_BG_WHITE, NULL);
273 GST_CAT_EVENT = _gst_debug_category_new ("GST_EVENT",
274 GST_DEBUG_BOLD | GST_DEBUG_FG_WHITE | GST_DEBUG_BG_RED, NULL);
275 GST_CAT_PARAMS = _gst_debug_category_new ("GST_PARAMS",
276 GST_DEBUG_BOLD | GST_DEBUG_FG_BLACK | GST_DEBUG_BG_YELLOW, NULL);
277 GST_CAT_CALL_TRACE = _gst_debug_category_new ("GST_CALL_TRACE",
278 GST_DEBUG_BOLD, NULL);
279 GST_CAT_SEEK = _gst_debug_category_new ("GST_SEEK",
280 0, "plugins reacting to seek events");
282 /* print out the valgrind message if we're in valgrind */
283 __gst_in_valgrind ();
286 /* we can't do this further above, because we initialize the GST_CAT_DEFAULT struct */
287 #define GST_CAT_DEFAULT _GST_CAT_DEBUG
291 * @category: category to log
292 * @level: level of the message is in
293 * @file: the file that emitted the message, usually the __FILE__ identifier
294 * @function: the function that emitted the message
295 * @line: the line from that the message was emitted, usually __LINE__
296 * @object: the object this message relates to or NULL if none
297 * @format: a printf style format string
298 * @...: optional arguments for the format
300 * Logs the given message using the currently registered debugging handlers.
303 gst_debug_log (GstDebugCategory * category, GstDebugLevel level,
304 const gchar * file, const gchar * function, gint line,
305 GObject * object, const gchar * format, ...)
309 va_start (var_args, format);
310 gst_debug_log_valist (category, level, file, function, line, object, format,
316 * gst_debug_log_valist:
317 * @category: category to log
318 * @level: level of the message is in
319 * @file: the file that emitted the message, usually the __FILE__ identifier
320 * @function: the function that emitted the message
321 * @line: the line from that the message was emitted, usually __LINE__
322 * @object: the object this message relates to or NULL if none
323 * @format: a printf style format string
324 * @args: optional arguments for the format
326 * Logs the given message using the currently registered debugging handlers.
329 gst_debug_log_valist (GstDebugCategory * category, GstDebugLevel level,
330 const gchar * file, const gchar * function, gint line,
331 GObject * object, const gchar * format, va_list args)
333 GstDebugMessage message;
337 g_return_if_fail (category != NULL);
338 g_return_if_fail (file != NULL);
339 g_return_if_fail (function != NULL);
340 g_return_if_fail (format != NULL);
342 message.message = NULL;
343 message.format = format;
344 G_VA_COPY (message.arguments, args);
346 handler = __log_functions;
348 entry = handler->data;
349 handler = g_slist_next (handler);
350 entry->func (category, level, file, function, line, object, &message,
353 g_free (message.message);
354 va_end (message.arguments);
358 * gst_debug_message_get:
359 * @message: a debug message
361 * Gets the string representation of a #GstDebugMessage. This function is used
362 * in debug handlers to extract the message.
364 * Returns: the string representation of a #GstDebugMessage.
367 gst_debug_message_get (GstDebugMessage * message)
369 if (message->message == NULL) {
370 message->message = g_strdup_vprintf (message->format, message->arguments);
372 return message->message;
377 gst_debug_print_object (gpointer ptr)
379 GObject *object = (GObject *) ptr;
382 /* This is a cute trick to detect unmapped memory, but is unportable,
383 * slow, screws around with madvise, and not actually that useful. */
387 ret = madvise ((void *) ((unsigned long) ptr & (~0xfff)), 4096, 0);
388 if (ret == -1 && errno == ENOMEM) {
389 buffer = g_strdup_printf ("%p (unmapped memory)", ptr);
394 /* nicely printed object */
395 if (object == NULL) {
396 return g_strdup ("(NULL)");
398 if (*(GType *) ptr == GST_TYPE_CAPS) {
399 return gst_caps_to_string ((GstCaps *) ptr);
401 if (*(GType *) ptr == GST_TYPE_STRUCTURE) {
402 return gst_structure_to_string ((GstStructure *) ptr);
405 if (*(guint32 *) ptr == 0xffffffff) {
406 return g_strdup_printf ("<poisoned@%p>", ptr);
409 if (GST_IS_PAD (object) && GST_OBJECT_NAME (object)) {
410 return g_strdup_printf ("<%s:%s>", GST_DEBUG_PAD_NAME (object));
412 if (GST_IS_OBJECT (object) && GST_OBJECT_NAME (object)) {
413 return g_strdup_printf ("<%s>", GST_OBJECT_NAME (object));
415 if (G_IS_OBJECT (object)) {
416 return g_strdup_printf ("<%s@%p>", G_OBJECT_TYPE_NAME (object), object);
419 return g_strdup_printf ("%p", ptr);
423 * gst_debug_construct_term_color:
424 * @colorinfo: the color info
426 * Constructs a string that can be used for getting the desired color in color
428 * You need to free the string after use.
430 * Returns: a string containing the color definition
433 gst_debug_construct_term_color (guint colorinfo)
438 color = g_string_new ("\033[00");
440 if (colorinfo & GST_DEBUG_BOLD) {
441 g_string_append (color, ";01");
443 if (colorinfo & GST_DEBUG_UNDERLINE) {
444 g_string_append (color, ";04");
446 if (colorinfo & GST_DEBUG_FG_MASK) {
447 g_string_append_printf (color, ";3%1d", colorinfo & GST_DEBUG_FG_MASK);
449 if (colorinfo & GST_DEBUG_BG_MASK) {
450 g_string_append_printf (color, ";4%1d",
451 (colorinfo & GST_DEBUG_BG_MASK) >> 4);
453 g_string_append (color, "m");
456 g_string_free (color, FALSE);
461 * gst_debug_log_default:
462 * @category: category to log
463 * @level: level of the message
464 * @file: the file that emitted the message, usually the __FILE__ identifier
465 * @function: the function that emitted the message
466 * @line: the line from that the message was emitted, usually __LINE__
467 * @message: the actual message
468 * @object: the object this message relates to or NULL if none
469 * @unused: an unused variable, reserved for some user_data.
471 * The default logging handler used by GStreamer. Logging functions get called
472 * whenever a macro like GST_DEBUG or similar is used. This function outputs the
473 * message and additional info using the glib error handler.
474 * You can add other handlers by using #gst_debug_add_log_function.
475 * And you can remove this handler by calling
476 * gst_debug_remove_log_function (gst_debug_log_default);
479 gst_debug_log_default (GstDebugCategory * category, GstDebugLevel level,
480 const gchar * file, const gchar * function, gint line,
481 GObject * object, GstDebugMessage * message, gpointer unused)
489 if (level > gst_debug_category_get_threshold (category))
495 if (gst_debug_is_colored ()) {
497 gst_debug_construct_term_color (gst_debug_category_get_color
500 pidcolor = g_strdup_printf ("\033[3%1dm", pid % 6 + 31);
502 color = g_strdup ("");
504 pidcolor = g_strdup ("");
507 obj = object ? gst_debug_print_object (object) : g_strdup ("");
509 g_printerr ("%s %s%15s%s(%s%5d%s) %s%s(%d):%s:%s%s %s\n",
510 gst_debug_level_get_name (level),
511 color, gst_debug_category_get_name (category), clear,
512 pidcolor, pid, clear,
513 color, file, line, function, obj, clear, gst_debug_message_get (message));
521 * gst_debug_level_get_name:
522 * @level: the level to get the name for
524 * Get the string trepresentation of a debugging level
529 gst_debug_level_get_name (GstDebugLevel level)
534 case GST_LEVEL_ERROR:
536 case GST_LEVEL_WARNING:
540 case GST_LEVEL_DEBUG:
545 g_warning ("invalid level specified for gst_debug_level_get_name");
551 * gst_debug_add_log_function:
552 * @func: the function to use
555 * Adds the logging function to the list of logging functions.
556 * Be sure to use G_GNUC_NO_INSTRUMENT on that function, it is needed.
559 gst_debug_add_log_function (GstLogFunction func, gpointer data)
564 g_return_if_fail (func != NULL);
566 entry = g_new (LogFuncEntry, 1);
568 entry->user_data = data;
569 /* FIXME: we leak the old list here - other threads might access it right now
570 * in gst_debug_logv. Another solution is to lock the mutex in gst_debug_logv,
571 * but that is waaay costly.
572 * It'd probably be clever to use some kind of RCU here, but I don't know
573 * anything about that.
575 g_static_mutex_lock (&__log_func_mutex);
576 list = g_slist_copy (__log_functions);
577 __log_functions = g_slist_prepend (list, entry);
578 g_static_mutex_unlock (&__log_func_mutex);
580 GST_DEBUG ("prepended log function %p (user data %p) to log functions",
585 gst_debug_compare_log_function_by_func (gconstpointer entry, gconstpointer func)
587 gpointer entryfunc = ((LogFuncEntry *) entry)->func;
589 return (entryfunc < func) ? -1 : (entryfunc > func) ? 1 : 0;
593 gst_debug_compare_log_function_by_data (gconstpointer entry, gconstpointer data)
595 gpointer entrydata = ((LogFuncEntry *) entry)->user_data;
597 return (entrydata < data) ? -1 : (entrydata > data) ? 1 : 0;
601 gst_debug_remove_with_compare_func (GCompareFunc func, gpointer data)
607 g_static_mutex_lock (&__log_func_mutex);
608 new = __log_functions;
609 while ((found = g_slist_find_custom (new, data, func))) {
610 if (new == __log_functions) {
611 new = g_slist_copy (new);
614 g_free (found->data);
615 new = g_slist_delete_link (new, found);
618 /* FIXME: We leak the old list here. See _add_log_function for why. */
619 __log_functions = new;
620 g_static_mutex_unlock (&__log_func_mutex);
626 * gst_debug_remove_log_function:
627 * @func: the log function to remove
629 * Removes all registrered instances of the given logging functions.
631 * Returns: How many instances of the function were removed
634 gst_debug_remove_log_function (GstLogFunction func)
638 g_return_val_if_fail (func != NULL, 0);
641 gst_debug_remove_with_compare_func
642 (gst_debug_compare_log_function_by_func, func);
643 GST_DEBUG ("removed log function %p %d times from log function list", func,
650 * gst_debug_remove_log_function_by_data:
651 * @data: user data of the log function to remove
653 * Removes all registrered instances of log functions with the given user data.
655 * Returns: How many instances of the function were removed
658 gst_debug_remove_log_function_by_data (gpointer data)
663 gst_debug_remove_with_compare_func
664 (gst_debug_compare_log_function_by_data, data);
666 ("removed %d log functions with user data %p from log function list",
673 * gst_debug_set_colored:
674 * @colored: Whether to use colored output or not
676 * Sets or unsets the use of coloured debugging output.
679 gst_debug_set_colored (gboolean colored)
681 gst_atomic_int_set (&__use_color, colored ? 1 : 0);
685 * gst_debug_is_colored:
687 * Checks if the debugging output should be colored.
689 * Returns: TRUE, if the debug output should be colored.
692 gst_debug_is_colored (void)
694 return gst_atomic_int_read (&__use_color) == 0 ? FALSE : TRUE;
698 * gst_debug_set_active:
699 * @active: Whether to use debugging output or not
701 * If activated, debugging messages are sent to the debugging
703 * It makes sense to deactivate it for speed issues.
704 * <note><para>This function is not threadsafe. It makes sense to only call it
705 * during initialization.</para></note>
708 gst_debug_set_active (gboolean active)
710 __gst_debug_enabled = active;
714 * gst_debug_is_active:
716 * Checks if debugging output is activated.
718 * Returns: TRUE, if debugging is activated
721 gst_debug_is_active (void)
723 return __gst_debug_enabled;
727 * gst_debug_set_default_threshold:
728 * @level: level to set
730 * Sets the default threshold to the given level and updates all categories to
731 * use this threshold.
734 gst_debug_set_default_threshold (GstDebugLevel level)
736 gst_atomic_int_set (&__default_level, level);
737 gst_debug_reset_all_thresholds ();
741 * gst_debug_get_default_threshold:
743 * Returns the default threshold that is used for new categories.
745 * Returns: the default threshold level
748 gst_debug_get_default_threshold (void)
750 return (GstDebugLevel) gst_atomic_int_read (&__default_level);
753 gst_debug_reset_threshold (gpointer category, gpointer unused)
755 GstDebugCategory *cat = (GstDebugCategory *) category;
758 g_static_mutex_lock (&__level_name_mutex);
761 LevelNameEntry *entry = walk->data;
763 walk = g_slist_next (walk);
764 if (g_pattern_match_string (entry->pat, cat->name)) {
765 GST_LOG ("category %s matches pattern %p - gets set to level %d",
766 cat->name, entry->pat, entry->level);
767 gst_debug_category_set_threshold (cat, entry->level);
771 gst_debug_category_set_threshold (cat, gst_debug_get_default_threshold ());
774 g_static_mutex_unlock (&__level_name_mutex);
777 gst_debug_reset_all_thresholds (void)
779 g_static_mutex_lock (&__cat_mutex);
780 g_slist_foreach (__categories, gst_debug_reset_threshold, NULL);
781 g_static_mutex_unlock (&__cat_mutex);
784 for_each_threshold_by_entry (gpointer data, gpointer user_data)
786 GstDebugCategory *cat = (GstDebugCategory *) data;
787 LevelNameEntry *entry = (LevelNameEntry *) user_data;
789 if (g_pattern_match_string (entry->pat, cat->name)) {
790 GST_LOG ("category %s matches pattern %p - gets set to level %d",
791 cat->name, entry->pat, entry->level);
792 gst_debug_category_set_threshold (cat, entry->level);
797 * gst_debug_set_threshold_for_name:
798 * @name: name of the categories to set
799 * @level: level to set them to
801 * Sets all categories which match the gven glob style pattern to the given
805 gst_debug_set_threshold_for_name (const gchar * name, GstDebugLevel level)
808 LevelNameEntry *entry;
810 g_return_if_fail (name != NULL);
812 pat = g_pattern_spec_new (name);
813 entry = g_new (LevelNameEntry, 1);
815 entry->level = level;
816 g_static_mutex_lock (&__level_name_mutex);
817 __level_name = g_slist_prepend (__level_name, entry);
818 g_static_mutex_unlock (&__level_name_mutex);
819 g_static_mutex_lock (&__cat_mutex);
820 g_slist_foreach (__categories, for_each_threshold_by_entry, entry);
821 g_static_mutex_unlock (&__cat_mutex);
825 * gst_debug_unset_threshold_for_name:
826 * @name: name of the categories to set
828 * Resets all categories with the given name back to the default level.
831 gst_debug_unset_threshold_for_name (const gchar * name)
836 g_return_if_fail (name != NULL);
838 pat = g_pattern_spec_new (name);
839 g_static_mutex_lock (&__level_name_mutex);
841 /* improve this if you want, it's mighty slow */
843 LevelNameEntry *entry = walk->data;
845 if (g_pattern_spec_equal (entry->pat, pat)) {
846 __level_name = g_slist_remove_link (__level_name, walk);
847 g_pattern_spec_free (entry->pat);
849 g_slist_free_1 (walk);
853 g_static_mutex_unlock (&__level_name_mutex);
854 g_pattern_spec_free (pat);
855 gst_debug_reset_all_thresholds ();
859 _gst_debug_category_new (gchar * name, guint color, gchar * description)
861 GstDebugCategory *cat;
863 g_return_val_if_fail (name != NULL, NULL);
865 cat = g_new (GstDebugCategory, 1);
866 cat->name = g_strdup (name);
868 if (description != NULL) {
869 cat->description = g_strdup (description);
871 cat->description = g_strdup ("no description");
873 cat->threshold = g_new (GstAtomicInt, 1);
874 gst_atomic_int_init (cat->threshold, 0);
875 gst_debug_reset_threshold (cat, NULL);
877 /* add to category list */
878 g_static_mutex_lock (&__cat_mutex);
879 __categories = g_slist_prepend (__categories, cat);
880 g_static_mutex_unlock (&__cat_mutex);
886 * gst_debug_category_free:
887 * @category: #GstDebugCategory to free.
889 * Removes and frees the category and all associated resources.
892 gst_debug_category_free (GstDebugCategory * category)
894 if (category == NULL)
897 /* remove from category list */
898 g_static_mutex_lock (&__cat_mutex);
899 __categories = g_slist_remove (__categories, category);
900 g_static_mutex_unlock (&__cat_mutex);
902 g_free ((gpointer) category->name);
903 g_free ((gpointer) category->description);
904 gst_atomic_int_destroy (category->threshold);
905 g_free (category->threshold);
910 * gst_debug_category_set_threshold:
911 * @category: a #GstDebugCategory to set threshold of.
912 * @level: the #GstDebugLevel threshold to set.
914 * Sets the threshold of the category to the given level. Debug information will
915 * only be output if the threshold is lower or equal to the level of the
918 * Do not use this function in production code, because other functions may
919 * change the threshold of categories as side effect. It is however a nice
920 * function to use when debugging (even from gdb).
924 gst_debug_category_set_threshold (GstDebugCategory * category,
927 g_return_if_fail (category != NULL);
929 gst_atomic_int_set (category->threshold, level);
933 * gst_debug_category_reset_threshold:
934 * @category: a #GstDebugCategory to reset threshold of.
936 * Resets the threshold of the category to the default level. Debug information
937 * will only be output if the threshold is lower or equal to the level of the
939 * Use this function to set the threshold back to where it was after using
940 * gst_debug_category_set_threshold().
943 gst_debug_category_reset_threshold (GstDebugCategory * category)
945 gst_debug_reset_threshold (category, NULL);
949 * gst_debug_category_get_threshold:
950 * @category: a #GstDebugCategory to get threshold of.
952 * Returns the threshold of a #GstCategory.
954 * Returns: the #GstDebugLevel that is used as threshold.
957 gst_debug_category_get_threshold (GstDebugCategory * category)
959 return gst_atomic_int_read (category->threshold);
963 * gst_debug_category_get_name:
964 * @category: a #GstDebugCategory to get name of.
966 * Returns the name of a debug category.
968 * Returns: the name of the category.
971 gst_debug_category_get_name (GstDebugCategory * category)
973 return category->name;
977 * gst_debug_category_get_color:
978 * @category: a #GstDebugCategory to get the color of.
980 * Returns the color of a debug category used when printing output in this
983 * Returns: the color of the category.
986 gst_debug_category_get_color (GstDebugCategory * category)
988 return category->color;
992 * gst_debug_category_get_description:
993 * @category: a #GstDebugCategory to get the description of.
995 * Returns the description of a debug category.
997 * Returns: the description of the category.
1000 gst_debug_category_get_description (GstDebugCategory * category)
1002 return category->description;
1006 * gst_debug_get_all_categories:
1008 * Returns a snapshot of a all categories that are currently in use . This list
1009 * may change anytime.
1010 * The caller has to free the list after use.
1011 * <emphasis>This function is not threadsafe, so only use it while only the
1012 * main thread is running.</emphasis>
1014 * Returns: the list of categories
1017 gst_debug_get_all_categories (void)
1021 g_static_mutex_lock (&__cat_mutex);
1022 ret = g_slist_copy (__categories);
1023 g_static_mutex_unlock (&__cat_mutex);
1028 /*** FUNCTION POINTERS ********************************************************/
1030 GHashTable *__gst_function_pointers = NULL;
1032 _gst_debug_nameof_funcptr (void *ptr)
1033 G_GNUC_NO_INSTRUMENT;
1035 /* This function MUST NOT return NULL */
1036 const gchar *_gst_debug_nameof_funcptr (void *ptr)
1044 if (__gst_function_pointers
1045 && (ptrname = g_hash_table_lookup (__gst_function_pointers, ptr))) {
1048 /* we need to create an entry in the hash table for this one so we don't leak
1051 if (dladdr (ptr, &dlinfo) && dlinfo.dli_sname) {
1052 gchar *name = g_strdup (dlinfo.dli_sname);
1054 _gst_debug_register_funcptr (ptr, name);
1059 gchar *name = g_strdup_printf ("%p", ptr);
1061 _gst_debug_register_funcptr (ptr, name);
1067 _gst_debug_register_funcptr (void *ptr, gchar * ptrname)
1069 if (!__gst_function_pointers)
1070 __gst_function_pointers = g_hash_table_new (g_direct_hash, g_direct_equal);
1071 if (!g_hash_table_lookup (__gst_function_pointers, ptr))
1072 g_hash_table_insert (__gst_function_pointers, ptr, ptrname);
1077 #ifdef HAVE_PRINTF_EXTENSION
1079 _gst_info_printf_extension (FILE * stream, const struct printf_info *info,
1080 const void *const *args)
1087 ptr = *(void **) args[0];
1089 buffer = gst_debug_print_object (ptr);
1090 len = fprintf (stream, "%*s", (info->left ? -info->width : info->width),
1098 _gst_info_printf_extension_arginfo (const struct printf_info *info, size_t n,
1102 argtypes[0] = PA_POINTER;
1105 #endif /* HAVE_PRINTF_EXTENSION */
1107 #endif /* GST_DISABLE_GST_DEBUG */
1109 #ifdef GST_ENABLE_FUNC_INSTRUMENTATION
1110 /* FIXME make this thread specific */
1111 static GSList *stack_trace = NULL;
1114 __cyg_profile_func_enter (void *this_fn, void *call_site)
1115 G_GNUC_NO_INSTRUMENT;
1116 void __cyg_profile_func_enter (void *this_fn, void *call_site)
1118 gchar *name = _gst_debug_nameof_funcptr (this_fn);
1119 gchar *site = _gst_debug_nameof_funcptr (call_site);
1121 GST_CAT_DEBUG (GST_CAT_CALL_TRACE, "entering function %s from %s", name,
1124 g_slist_prepend (stack_trace, g_strdup_printf ("%8p in %s from %p (%s)",
1125 this_fn, name, call_site, site));
1132 __cyg_profile_func_exit (void *this_fn, void *call_site)
1133 G_GNUC_NO_INSTRUMENT;
1134 void __cyg_profile_func_exit (void *this_fn, void *call_site)
1136 gchar *name = _gst_debug_nameof_funcptr (this_fn);
1138 GST_CAT_DEBUG (GST_CAT_CALL_TRACE, "leaving function %s", name);
1139 g_free (stack_trace->data);
1140 stack_trace = g_slist_delete_link (stack_trace, stack_trace);
1146 gst_debug_print_stack_trace (void)
1148 GSList *walk = stack_trace;
1152 walk = g_slist_next (walk);
1155 gchar *name = (gchar *) walk->data;
1157 g_print ("#%-2d %s\n", count++, name);
1159 walk = g_slist_next (walk);
1164 gst_debug_print_stack_trace (void)
1166 /* nothing because it's compiled out */
1169 #endif /* GST_ENABLE_FUNC_INTSTRUMENTATION */