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>
5 * Copyright (C) 2008-2009 Tim-Philipp Müller <tim centricular net>
7 * gstinfo.c: debugging functions
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Library General Public
11 * License as published by the Free Software Foundation; either
12 * version 2 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Library General Public License for more details.
19 * You should have received a copy of the GNU Library General Public
20 * License along with this library; if not, write to the
21 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 * Boston, MA 02111-1307, USA.
27 * @short_description: Debugging and logging facilities
28 * @see_also: #gstreamer-gstconfig, #gstreamer-Gst for command line parameters
29 * and environment variables that affect the debugging output.
31 * GStreamer's debugging subsystem is an easy way to get information about what
32 * the application is doing. It is not meant for programming errors. Use GLib
33 * methods (g_warning and friends) for that.
35 * The debugging subsystem works only after GStreamer has been initialized
36 * - for example by calling gst_init().
38 * The debugging subsystem is used to log informational messages while the
39 * application runs. Each messages has some properties attached to it. Among
40 * these properties are the debugging category, the severity (called "level"
41 * here) and an optional #GObject it belongs to. Each of these messages is sent
42 * to all registered debugging handlers, which then handle the messages.
43 * GStreamer attaches a default handler on startup, which outputs requested
46 * Messages are output by using shortcut macros like #GST_DEBUG,
47 * #GST_CAT_ERROR_OBJECT or similar. These all expand to calling gst_debug_log()
48 * with the right parameters.
49 * The only thing a developer will probably want to do is define his own
50 * categories. This is easily done with 3 lines. At the top of your code,
52 * the variables and set the default category.
55 * GST_DEBUG_CATEGORY_STATIC (my_category); // define category (statically)
56 * &hash;define GST_CAT_DEFAULT my_category // set as default
59 * After that you only need to initialize the category.
62 * GST_DEBUG_CATEGORY_INIT (my_category, "my category",
63 * 0, "This is my very own");
66 * Initialization must be done before the category is used first.
68 * in their plugin_init function, libraries and applications should do that
69 * during their initialization.
71 * The whole debugging subsystem can be disabled at build time with passing the
72 * --disable-gst-debug switch to configure. If this is done, every function,
73 * macro and even structs described in this file evaluate to default values or
75 * So don't take addresses of these functions or use other tricks.
76 * If you must do that for some reason, there is still an option.
78 * subsystem was compiled out, #GST_DISABLE_GST_DEBUG is defined in
80 * so you can check that before doing your trick.
81 * Disabling the debugging subsystem will give you a slight (read: unnoticeable)
82 * speed increase and will reduce the size of your compiled code. The GStreamer
83 * library itself becomes around 10% smaller.
85 * Please note that there are naming conventions for the names of debugging
86 * categories. These are explained at GST_DEBUG_CATEGORY_INIT().
90 #include "gst_private.h"
93 #undef gst_debug_remove_log_function
94 #undef gst_debug_add_log_function
96 #ifndef GST_DISABLE_GST_DEBUG
101 #ifdef HAVE_PRINTF_EXTENSION
104 #include <stdio.h> /* fprintf */
105 #include <glib/gstdio.h>
108 # include <unistd.h> /* getpid on UNIX */
110 #ifdef HAVE_PROCESS_H
111 # include <process.h> /* getpid on win32 */
113 #include <string.h> /* G_VA_COPY */
115 # define WIN32_LEAN_AND_MEAN /* prevents from including too many things */
116 # include <windows.h> /* GetStdHandle, windows console */
119 #include "gst_private.h"
120 #include "gstutils.h"
121 #include "gstquark.h"
122 #include "gstsegment.h"
123 #ifdef HAVE_VALGRIND_VALGRIND_H
124 # include <valgrind/valgrind.h>
126 #include <glib/gprintf.h> /* g_sprintf */
128 #endif /* !GST_DISABLE_GST_DEBUG */
130 /* we want these symbols exported even if debug is disabled, to maintain
131 * ABI compatibility. Unless GST_REMOVE_DISABLED is defined. */
132 #if !defined(GST_DISABLE_GST_DEBUG) || !defined(GST_REMOVE_DISABLED)
134 /* disabled by default, as soon as some threshold is set > NONE,
135 * it becomes enabled. */
136 gboolean _gst_debug_enabled = FALSE;
137 GstDebugLevel _gst_debug_min = GST_LEVEL_NONE;
139 GstDebugCategory *GST_CAT_DEFAULT = NULL;
141 GstDebugCategory *GST_CAT_GST_INIT = NULL;
142 GstDebugCategory *GST_CAT_MEMORY = NULL;
143 GstDebugCategory *GST_CAT_PARENTAGE = NULL;
144 GstDebugCategory *GST_CAT_STATES = NULL;
145 GstDebugCategory *GST_CAT_SCHEDULING = NULL;
147 GstDebugCategory *GST_CAT_BUFFER = NULL;
148 GstDebugCategory *GST_CAT_BUFFER_LIST = NULL;
149 GstDebugCategory *GST_CAT_BUS = NULL;
150 GstDebugCategory *GST_CAT_CAPS = NULL;
151 GstDebugCategory *GST_CAT_CLOCK = NULL;
152 GstDebugCategory *GST_CAT_ELEMENT_PADS = NULL;
153 GstDebugCategory *GST_CAT_PADS = NULL;
154 GstDebugCategory *GST_CAT_PERFORMANCE = NULL;
155 GstDebugCategory *GST_CAT_PIPELINE = NULL;
156 GstDebugCategory *GST_CAT_PLUGIN_LOADING = NULL;
157 GstDebugCategory *GST_CAT_PLUGIN_INFO = NULL;
158 GstDebugCategory *GST_CAT_PROPERTIES = NULL;
159 GstDebugCategory *GST_CAT_NEGOTIATION = NULL;
160 GstDebugCategory *GST_CAT_REFCOUNTING = NULL;
161 GstDebugCategory *GST_CAT_ERROR_SYSTEM = NULL;
162 GstDebugCategory *GST_CAT_EVENT = NULL;
163 GstDebugCategory *GST_CAT_MESSAGE = NULL;
164 GstDebugCategory *GST_CAT_PARAMS = NULL;
165 GstDebugCategory *GST_CAT_CALL_TRACE = NULL;
166 GstDebugCategory *GST_CAT_SIGNAL = NULL;
167 GstDebugCategory *GST_CAT_PROBE = NULL;
168 GstDebugCategory *GST_CAT_REGISTRY = NULL;
169 GstDebugCategory *GST_CAT_QOS = NULL;
170 GstDebugCategory *_priv_GST_CAT_POLL = NULL;
171 GstDebugCategory *GST_CAT_META = NULL;
174 #endif /* !defined(GST_DISABLE_GST_DEBUG) || !defined(GST_REMOVE_DISABLED) */
176 #ifndef GST_DISABLE_GST_DEBUG
178 /* underscore is to prevent conflict with GST_CAT_DEBUG define */
179 GST_DEBUG_CATEGORY_STATIC (_GST_CAT_DEBUG);
181 /* time of initialization, so we get useful debugging output times
182 * FIXME: we use this in gstdebugutils.c, what about a function + macro to
183 * get the running time: GST_DEBUG_RUNNING_TIME
185 GstClockTime _priv_gst_info_start_time;
189 #include <rld_interface.h>
190 typedef struct DL_INFO
192 const char *dli_fname;
194 const char *dli_sname;
198 long dli_reserved[4];
202 #define _RLD_DLADDR 14
203 int dladdr (void *address, Dl_info * dl);
206 dladdr (void *address, Dl_info * dl)
210 v = _rld_new_interface (_RLD_DLADDR, address, dl);
216 static void gst_debug_reset_threshold (gpointer category, gpointer unused);
217 static void gst_debug_reset_all_thresholds (void);
219 #ifdef HAVE_PRINTF_EXTENSION
220 static int _gst_info_printf_extension_ptr (FILE * stream,
221 const struct printf_info *info, const void *const *args);
222 static int _gst_info_printf_extension_segment (FILE * stream,
223 const struct printf_info *info, const void *const *args);
224 #ifdef HAVE_REGISTER_PRINTF_SPECIFIER
225 static int _gst_info_printf_extension_arginfo (const struct printf_info *info,
226 size_t n, int *argtypes, int *size);
228 static int _gst_info_printf_extension_arginfo (const struct printf_info *info,
229 size_t n, int *argtypes);
233 struct _GstDebugMessage
240 /* list of all name/level pairs from --gst-debug and GST_DEBUG */
241 static GMutex __level_name_mutex;
242 static GSList *__level_name = NULL;
250 /* list of all categories */
251 static GMutex __cat_mutex;
252 static GSList *__categories = NULL;
254 /* all registered debug handlers */
259 GDestroyNotify notify;
262 static GMutex __log_func_mutex;
263 static GSList *__log_functions = NULL;
265 #define PRETTY_TAGS_DEFAULT TRUE
266 static gboolean pretty_tags = PRETTY_TAGS_DEFAULT;
268 static volatile gint G_GNUC_MAY_ALIAS __default_level = GST_LEVEL_DEFAULT;
269 static volatile gint G_GNUC_MAY_ALIAS __use_color = 1;
271 static FILE *log_file;
273 /* FIXME: export this? */
275 _priv_gst_in_valgrind (void)
283 in_valgrind = GST_VG_UNCHECKED;
285 if (in_valgrind == GST_VG_UNCHECKED) {
286 #ifdef HAVE_VALGRIND_VALGRIND_H
287 if (RUNNING_ON_VALGRIND) {
288 GST_CAT_INFO (GST_CAT_GST_INIT, "we're running inside valgrind");
289 printf ("GStreamer has detected that it is running inside valgrind.\n");
290 printf ("It might now take different code paths to ease debugging.\n");
291 printf ("Of course, this may also lead to different bugs.\n");
292 in_valgrind = GST_VG_INSIDE;
294 GST_CAT_LOG (GST_CAT_GST_INIT, "not doing extra valgrind stuff");
295 in_valgrind = GST_VG_NO_VALGRIND;
298 in_valgrind = GST_VG_NO_VALGRIND;
300 g_assert (in_valgrind == GST_VG_NO_VALGRIND ||
301 in_valgrind == GST_VG_INSIDE);
303 return (in_valgrind == GST_VG_INSIDE);
306 /* Initialize the debugging system */
308 _priv_gst_debug_init (void)
312 env = g_getenv ("GST_DEBUG_FILE");
313 if (env != NULL && *env != '\0') {
314 if (strcmp (env, "-") == 0) {
317 log_file = g_fopen (env, "w");
318 if (log_file == NULL) {
319 g_printerr ("Could not open log file '%s' for writing: %s\n", env,
328 /* get time we started for debugging messages */
329 _priv_gst_info_start_time = gst_util_get_timestamp ();
331 #ifdef HAVE_PRINTF_EXTENSION
332 #ifdef HAVE_REGISTER_PRINTF_SPECIFIER
333 register_printf_specifier (GST_PTR_FORMAT[0], _gst_info_printf_extension_ptr,
334 _gst_info_printf_extension_arginfo);
335 register_printf_specifier (GST_SEGMENT_FORMAT[0],
336 _gst_info_printf_extension_segment, _gst_info_printf_extension_arginfo);
338 register_printf_function (GST_PTR_FORMAT[0], _gst_info_printf_extension_ptr,
339 _gst_info_printf_extension_arginfo);
340 register_printf_function (GST_SEGMENT_FORMAT[0],
341 _gst_info_printf_extension_segment, _gst_info_printf_extension_arginfo);
345 /* do NOT use a single debug function before this line has been run */
346 GST_CAT_DEFAULT = _gst_debug_category_new ("default",
347 GST_DEBUG_UNDERLINE, NULL);
348 _GST_CAT_DEBUG = _gst_debug_category_new ("GST_DEBUG",
349 GST_DEBUG_BOLD | GST_DEBUG_FG_YELLOW, "debugging subsystem");
351 gst_debug_add_log_function (gst_debug_log_default, NULL, NULL);
353 /* FIXME: add descriptions here */
354 GST_CAT_GST_INIT = _gst_debug_category_new ("GST_INIT",
355 GST_DEBUG_BOLD | GST_DEBUG_FG_RED, NULL);
356 GST_CAT_MEMORY = _gst_debug_category_new ("GST_MEMORY",
357 GST_DEBUG_BOLD | GST_DEBUG_FG_BLUE, "memory");
358 GST_CAT_PARENTAGE = _gst_debug_category_new ("GST_PARENTAGE",
359 GST_DEBUG_BOLD | GST_DEBUG_FG_WHITE | GST_DEBUG_BG_RED, NULL);
360 GST_CAT_STATES = _gst_debug_category_new ("GST_STATES",
361 GST_DEBUG_BOLD | GST_DEBUG_FG_RED, NULL);
362 GST_CAT_SCHEDULING = _gst_debug_category_new ("GST_SCHEDULING",
363 GST_DEBUG_BOLD | GST_DEBUG_FG_MAGENTA, NULL);
364 GST_CAT_BUFFER = _gst_debug_category_new ("GST_BUFFER",
365 GST_DEBUG_BOLD | GST_DEBUG_BG_GREEN, NULL);
366 GST_CAT_BUFFER_LIST = _gst_debug_category_new ("GST_BUFFER_LIST",
367 GST_DEBUG_BOLD | GST_DEBUG_BG_GREEN, NULL);
368 GST_CAT_BUS = _gst_debug_category_new ("GST_BUS", GST_DEBUG_BG_YELLOW, NULL);
369 GST_CAT_CAPS = _gst_debug_category_new ("GST_CAPS",
370 GST_DEBUG_BOLD | GST_DEBUG_FG_BLUE, NULL);
371 GST_CAT_CLOCK = _gst_debug_category_new ("GST_CLOCK",
372 GST_DEBUG_BOLD | GST_DEBUG_FG_YELLOW, NULL);
373 GST_CAT_ELEMENT_PADS = _gst_debug_category_new ("GST_ELEMENT_PADS",
374 GST_DEBUG_BOLD | GST_DEBUG_FG_WHITE | GST_DEBUG_BG_RED, NULL);
375 GST_CAT_PADS = _gst_debug_category_new ("GST_PADS",
376 GST_DEBUG_BOLD | GST_DEBUG_FG_RED | GST_DEBUG_BG_RED, NULL);
377 GST_CAT_PERFORMANCE = _gst_debug_category_new ("GST_PERFORMANCE",
378 GST_DEBUG_BOLD | GST_DEBUG_FG_WHITE | GST_DEBUG_BG_RED, NULL);
379 GST_CAT_PIPELINE = _gst_debug_category_new ("GST_PIPELINE",
380 GST_DEBUG_BOLD | GST_DEBUG_FG_WHITE | GST_DEBUG_BG_RED, NULL);
381 GST_CAT_PLUGIN_LOADING = _gst_debug_category_new ("GST_PLUGIN_LOADING",
382 GST_DEBUG_BOLD | GST_DEBUG_FG_CYAN, NULL);
383 GST_CAT_PLUGIN_INFO = _gst_debug_category_new ("GST_PLUGIN_INFO",
384 GST_DEBUG_BOLD | GST_DEBUG_FG_CYAN, NULL);
385 GST_CAT_PROPERTIES = _gst_debug_category_new ("GST_PROPERTIES",
386 GST_DEBUG_BOLD | GST_DEBUG_FG_WHITE | GST_DEBUG_BG_BLUE, NULL);
387 GST_CAT_NEGOTIATION = _gst_debug_category_new ("GST_NEGOTIATION",
388 GST_DEBUG_BOLD | GST_DEBUG_FG_BLUE, NULL);
389 GST_CAT_REFCOUNTING = _gst_debug_category_new ("GST_REFCOUNTING",
390 GST_DEBUG_BOLD | GST_DEBUG_FG_RED | GST_DEBUG_BG_BLUE, NULL);
391 GST_CAT_ERROR_SYSTEM = _gst_debug_category_new ("GST_ERROR_SYSTEM",
392 GST_DEBUG_BOLD | GST_DEBUG_FG_RED | GST_DEBUG_BG_WHITE, NULL);
394 GST_CAT_EVENT = _gst_debug_category_new ("GST_EVENT",
395 GST_DEBUG_BOLD | GST_DEBUG_FG_BLUE, NULL);
396 GST_CAT_MESSAGE = _gst_debug_category_new ("GST_MESSAGE",
397 GST_DEBUG_BOLD | GST_DEBUG_FG_WHITE | GST_DEBUG_BG_RED, NULL);
398 GST_CAT_PARAMS = _gst_debug_category_new ("GST_PARAMS",
399 GST_DEBUG_BOLD | GST_DEBUG_FG_BLACK | GST_DEBUG_BG_YELLOW, NULL);
400 GST_CAT_CALL_TRACE = _gst_debug_category_new ("GST_CALL_TRACE",
401 GST_DEBUG_BOLD, NULL);
402 GST_CAT_SIGNAL = _gst_debug_category_new ("GST_SIGNAL",
403 GST_DEBUG_BOLD | GST_DEBUG_FG_WHITE | GST_DEBUG_BG_RED, NULL);
404 GST_CAT_PROBE = _gst_debug_category_new ("GST_PROBE",
405 GST_DEBUG_BOLD | GST_DEBUG_FG_GREEN, "pad probes");
406 GST_CAT_REGISTRY = _gst_debug_category_new ("GST_REGISTRY", 0, "registry");
407 GST_CAT_QOS = _gst_debug_category_new ("GST_QOS", 0, "QoS");
408 _priv_GST_CAT_POLL = _gst_debug_category_new ("GST_POLL", 0, "poll");
409 GST_CAT_META = _gst_debug_category_new ("GST_META", 0, "meta");
412 /* print out the valgrind message if we're in valgrind */
413 _priv_gst_in_valgrind ();
415 env = g_getenv ("GST_DEBUG_OPTIONS");
417 if (strstr (env, "full_tags") || strstr (env, "full-tags"))
419 else if (strstr (env, "pretty_tags") || strstr (env, "pretty-tags"))
424 /* we can't do this further above, because we initialize the GST_CAT_DEFAULT struct */
425 #define GST_CAT_DEFAULT _GST_CAT_DEBUG
429 * @category: category to log
430 * @level: level of the message is in
431 * @file: the file that emitted the message, usually the __FILE__ identifier
432 * @function: the function that emitted the message
433 * @line: the line from that the message was emitted, usually __LINE__
434 * @object: (transfer none) (allow-none): the object this message relates to,
436 * @format: a printf style format string
437 * @...: optional arguments for the format
439 * Logs the given message using the currently registered debugging handlers.
442 gst_debug_log (GstDebugCategory * category, GstDebugLevel level,
443 const gchar * file, const gchar * function, gint line,
444 GObject * object, const gchar * format, ...)
448 va_start (var_args, format);
449 gst_debug_log_valist (category, level, file, function, line, object, format,
455 /* based on g_basename(), which we can't use because it was deprecated */
456 static inline const gchar *
457 gst_path_basename (const gchar * file_name)
459 register const gchar *base;
461 base = strrchr (file_name, G_DIR_SEPARATOR);
464 const gchar *q = strrchr (file_name, '/');
465 if (base == NULL || (q != NULL && q > base))
472 if (g_ascii_isalpha (file_name[0]) && file_name[1] == ':')
473 return file_name + 2;
480 * gst_debug_log_valist:
481 * @category: category to log
482 * @level: level of the message is in
483 * @file: the file that emitted the message, usually the __FILE__ identifier
484 * @function: the function that emitted the message
485 * @line: the line from that the message was emitted, usually __LINE__
486 * @object: (transfer none) (allow-none): the object this message relates to,
488 * @format: a printf style format string
489 * @args: optional arguments for the format
491 * Logs the given message using the currently registered debugging handlers.
494 gst_debug_log_valist (GstDebugCategory * category, GstDebugLevel level,
495 const gchar * file, const gchar * function, gint line,
496 GObject * object, const gchar * format, va_list args)
498 GstDebugMessage message;
502 g_return_if_fail (category != NULL);
503 g_return_if_fail (file != NULL);
504 g_return_if_fail (function != NULL);
505 g_return_if_fail (format != NULL);
507 /* The predefined macro __FILE__ is always the exact path given to the
508 * compiler with MSVC, which may or may not be the basename. We work
509 * around it at runtime to improve the readability. */
511 file = gst_path_basename (file);
514 message.message = NULL;
515 message.format = format;
516 G_VA_COPY (message.arguments, args);
518 handler = __log_functions;
520 entry = handler->data;
521 handler = g_slist_next (handler);
522 entry->func (category, level, file, function, line, object, &message,
525 g_free (message.message);
526 va_end (message.arguments);
530 * gst_debug_message_get:
531 * @message: a debug message
533 * Gets the string representation of a #GstDebugMessage. This function is used
534 * in debug handlers to extract the message.
536 * Returns: the string representation of a #GstDebugMessage.
539 gst_debug_message_get (GstDebugMessage * message)
541 if (message->message == NULL) {
542 message->message = g_strdup_vprintf (message->format, message->arguments);
544 return message->message;
547 #define MAX_BUFFER_DUMP_STRING_LEN 100
549 /* structure_to_pretty_string:
550 * @structure: a #GstStructure
552 * Converts @structure to a human-readable string representation. Basically
553 * the same as gst_structure_to_string(), but if the structure contains large
554 * buffers such as images the hex representation of those buffers will be
555 * shortened so that the string remains readable.
557 * Returns: a newly-allocated string. g_free() when no longer needed.
560 structure_to_pretty_string (const GstStructure * s)
562 gchar *str, *pos, *end;
564 str = gst_structure_to_string (s);
569 while ((pos = strstr (pos, "(buffer)"))) {
572 pos += strlen ("(buffer)");
573 for (end = pos; *end != '\0' && *end != ';' && *end != ' '; ++end)
575 if (count > MAX_BUFFER_DUMP_STRING_LEN) {
576 memcpy (pos + MAX_BUFFER_DUMP_STRING_LEN - 6, "..", 2);
577 memcpy (pos + MAX_BUFFER_DUMP_STRING_LEN - 4, pos + count - 4, 4);
578 g_memmove (pos + MAX_BUFFER_DUMP_STRING_LEN, pos + count,
579 strlen (pos + count) + 1);
580 pos += MAX_BUFFER_DUMP_STRING_LEN;
587 static inline gchar *
588 gst_info_structure_to_string (const GstStructure * s)
590 if (G_UNLIKELY (pretty_tags && s->name == GST_QUARK (TAGLIST)))
591 return structure_to_pretty_string (s);
593 return gst_structure_to_string (s);
597 gst_debug_print_object (gpointer ptr)
599 GObject *object = (GObject *) ptr;
602 /* This is a cute trick to detect unmapped memory, but is unportable,
603 * slow, screws around with madvise, and not actually that useful. */
607 ret = madvise ((void *) ((unsigned long) ptr & (~0xfff)), 4096, 0);
608 if (ret == -1 && errno == ENOMEM) {
609 buffer = g_strdup_printf ("%p (unmapped memory)", ptr);
614 /* nicely printed object */
615 if (object == NULL) {
616 return g_strdup ("(NULL)");
618 if (*(GType *) ptr == GST_TYPE_CAPS) {
619 return gst_caps_to_string ((const GstCaps *) ptr);
621 if (*(GType *) ptr == GST_TYPE_STRUCTURE) {
622 return gst_info_structure_to_string ((const GstStructure *) ptr);
624 if (GST_IS_BUFFER (ptr)) {
625 GstBuffer *buf = (GstBuffer *) ptr;
629 g_strdup_printf ("%p, pts %" GST_TIME_FORMAT ", dts %" GST_TIME_FORMAT
630 ", dur %" GST_TIME_FORMAT ", size %" G_GSIZE_FORMAT ", offset %"
631 G_GUINT64_FORMAT ", offset_end %" G_GUINT64_FORMAT, buf,
632 GST_TIME_ARGS (GST_BUFFER_PTS (buf)),
633 GST_TIME_ARGS (GST_BUFFER_DTS (buf)),
634 GST_TIME_ARGS (GST_BUFFER_DURATION (buf)), gst_buffer_get_size (buf),
635 GST_BUFFER_OFFSET (buf), GST_BUFFER_OFFSET_END (buf));
639 if (*(guint32 *) ptr == 0xffffffff) {
640 return g_strdup_printf ("<poisoned@%p>", ptr);
643 if (GST_IS_PAD (object) && GST_OBJECT_NAME (object)) {
644 return g_strdup_printf ("<%s:%s>", GST_DEBUG_PAD_NAME (object));
646 if (GST_IS_OBJECT (object) && GST_OBJECT_NAME (object)) {
647 return g_strdup_printf ("<%s>", GST_OBJECT_NAME (object));
649 if (G_IS_OBJECT (object)) {
650 return g_strdup_printf ("<%s@%p>", G_OBJECT_TYPE_NAME (object), object);
652 if (GST_IS_MESSAGE (object)) {
653 GstMessage *msg = GST_MESSAGE_CAST (object);
655 const GstStructure *structure;
657 structure = gst_message_get_structure (msg);
660 s = gst_info_structure_to_string (structure);
662 s = g_strdup ("(NULL)");
665 ret = g_strdup_printf ("%s message from element '%s': %s",
666 GST_MESSAGE_TYPE_NAME (msg), (msg->src != NULL) ?
667 GST_ELEMENT_NAME (msg->src) : "(NULL)", s);
671 if (GST_IS_QUERY (object)) {
672 GstQuery *query = GST_QUERY_CAST (object);
673 const GstStructure *structure;
675 structure = gst_query_get_structure (query);
678 return gst_info_structure_to_string (structure);
680 const gchar *query_type_name;
682 query_type_name = gst_query_type_get_name (query->type);
683 if (G_LIKELY (query_type_name != NULL)) {
684 return g_strdup_printf ("%s query", query_type_name);
686 return g_strdup_printf ("query of unknown type %d", query->type);
690 if (GST_IS_EVENT (object)) {
691 GstEvent *event = GST_EVENT_CAST (object);
693 GstStructure *structure;
695 structure = (GstStructure *) gst_event_get_structure (event);
697 s = gst_info_structure_to_string (structure);
699 s = g_strdup ("(NULL)");
702 ret = g_strdup_printf ("%s event at time %"
703 GST_TIME_FORMAT ": %s",
704 GST_EVENT_TYPE_NAME (event), GST_TIME_ARGS (event->timestamp), s);
709 return g_strdup_printf ("%p", ptr);
712 #ifdef HAVE_PRINTF_EXTENSION
715 gst_debug_print_segment (gpointer ptr)
717 GstSegment *segment = (GstSegment *) ptr;
719 /* nicely printed segment */
720 if (segment == NULL) {
721 return g_strdup ("(NULL)");
724 switch (segment->format) {
725 case GST_FORMAT_UNDEFINED:{
726 return g_strdup_printf ("UNDEFINED segment");
728 case GST_FORMAT_TIME:{
729 return g_strdup_printf ("time segment start=%" GST_TIME_FORMAT
730 ", stop=%" GST_TIME_FORMAT ", rate=%f, applied_rate=%f"
731 ", flags=0x%02x, time=%" GST_TIME_FORMAT ", base=%" GST_TIME_FORMAT
732 ", position %" GST_TIME_FORMAT ", duration %" GST_TIME_FORMAT,
733 GST_TIME_ARGS (segment->start), GST_TIME_ARGS (segment->stop),
734 segment->rate, segment->applied_rate, (guint) segment->flags,
735 GST_TIME_ARGS (segment->time), GST_TIME_ARGS (segment->base),
736 GST_TIME_ARGS (segment->position), GST_TIME_ARGS (segment->duration));
739 const gchar *format_name;
741 format_name = gst_format_get_name (segment->format);
742 if (G_UNLIKELY (format_name == NULL))
743 format_name = "(UNKNOWN FORMAT)";
744 return g_strdup_printf ("%s segment start=%" G_GINT64_FORMAT
745 ", stop=%" G_GINT64_FORMAT ", rate=%f, applied_rate=%f"
746 ", flags=0x%02x, time=%" G_GINT64_FORMAT ", base=%" G_GINT64_FORMAT
747 ", position %" G_GINT64_FORMAT ", duration %" G_GINT64_FORMAT,
748 format_name, segment->start, segment->stop, segment->rate,
749 segment->applied_rate, (guint) segment->flags,
750 segment->time, segment->base, segment->position, segment->duration);
755 #endif /* HAVE_PRINTF_EXTENSION */
758 * gst_debug_construct_term_color:
759 * @colorinfo: the color info
761 * Constructs a string that can be used for getting the desired color in color
763 * You need to free the string after use.
765 * Returns: (transfer full) (type gchar*): a string containing the color
769 gst_debug_construct_term_color (guint colorinfo)
773 color = g_string_new ("\033[00");
775 if (colorinfo & GST_DEBUG_BOLD) {
776 g_string_append_len (color, ";01", 3);
778 if (colorinfo & GST_DEBUG_UNDERLINE) {
779 g_string_append_len (color, ";04", 3);
781 if (colorinfo & GST_DEBUG_FG_MASK) {
782 g_string_append_printf (color, ";3%1d", colorinfo & GST_DEBUG_FG_MASK);
784 if (colorinfo & GST_DEBUG_BG_MASK) {
785 g_string_append_printf (color, ";4%1d",
786 (colorinfo & GST_DEBUG_BG_MASK) >> 4);
788 g_string_append_c (color, 'm');
790 return g_string_free (color, FALSE);
794 * gst_debug_construct_win_color:
795 * @colorinfo: the color info
797 * Constructs an integer that can be used for getting the desired color in
798 * windows' terminals (cmd.exe). As there is no mean to underline, we simply
799 * ignore this attribute.
801 * This function returns 0 on non-windows machines.
803 * Returns: an integer containing the color definition
808 gst_debug_construct_win_color (guint colorinfo)
812 static const guchar ansi_to_win_fg[8] = {
814 FOREGROUND_RED, /* red */
815 FOREGROUND_GREEN, /* green */
816 FOREGROUND_RED | FOREGROUND_GREEN, /* yellow */
817 FOREGROUND_BLUE, /* blue */
818 FOREGROUND_RED | FOREGROUND_BLUE, /* magenta */
819 FOREGROUND_GREEN | FOREGROUND_BLUE, /* cyan */
820 FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE /* white */
822 static const guchar ansi_to_win_bg[8] = {
826 BACKGROUND_RED | BACKGROUND_GREEN,
828 BACKGROUND_RED | BACKGROUND_BLUE,
829 BACKGROUND_GREEN | FOREGROUND_BLUE,
830 BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE
833 /* we draw black as white, as cmd.exe can only have black bg */
834 if (colorinfo == 0) {
835 return ansi_to_win_fg[7];
838 if (colorinfo & GST_DEBUG_BOLD) {
839 color |= FOREGROUND_INTENSITY;
841 if (colorinfo & GST_DEBUG_FG_MASK) {
842 color |= ansi_to_win_fg[colorinfo & GST_DEBUG_FG_MASK];
844 if (colorinfo & GST_DEBUG_BG_MASK) {
845 color |= ansi_to_win_bg[(colorinfo & GST_DEBUG_BG_MASK) >> 4];
851 /* width of %p varies depending on actual value of pointer, which can make
852 * output unevenly aligned if multiple threads are involved, hence the %14p
853 * (should really be %18p, but %14p seems a good compromise between too many
854 * white spaces and likely unalignment on my system) */
855 #if defined (GLIB_SIZEOF_VOID_P) && GLIB_SIZEOF_VOID_P == 8
856 #define PTR_FMT "%14p"
858 #define PTR_FMT "%10p"
860 #define PID_FMT "%5d"
861 #define CAT_FMT "%20s %s:%d:%s:%s"
864 static const guchar levelcolormap[GST_LEVEL_COUNT] = {
866 FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE,
867 /* GST_LEVEL_ERROR */
868 FOREGROUND_RED | FOREGROUND_INTENSITY,
869 /* GST_LEVEL_WARNING */
870 FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_INTENSITY,
872 FOREGROUND_GREEN | FOREGROUND_INTENSITY,
873 /* GST_LEVEL_DEBUG */
874 FOREGROUND_GREEN | FOREGROUND_BLUE,
876 FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE,
877 /* GST_LEVEL_FIXME */
878 FOREGROUND_RED | FOREGROUND_GREEN,
879 /* GST_LEVEL_TRACE */
880 FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE,
881 /* placeholder for log level 8 */
883 /* GST_LEVEL_MEMDUMP */
884 FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE
887 static const guchar available_colors[] = {
888 FOREGROUND_RED, FOREGROUND_GREEN, FOREGROUND_RED | FOREGROUND_GREEN,
889 FOREGROUND_BLUE, FOREGROUND_RED | FOREGROUND_BLUE,
890 FOREGROUND_GREEN | FOREGROUND_BLUE,
893 static const gchar *levelcolormap[GST_LEVEL_COUNT] = {
894 "\033[37m", /* GST_LEVEL_NONE */
895 "\033[31;01m", /* GST_LEVEL_ERROR */
896 "\033[33;01m", /* GST_LEVEL_WARNING */
897 "\033[32;01m", /* GST_LEVEL_INFO */
898 "\033[36m", /* GST_LEVEL_DEBUG */
899 "\033[37m", /* GST_LEVEL_LOG */
900 "\033[33;01m", /* GST_LEVEL_FIXME */
901 "\033[37m", /* GST_LEVEL_TRACE */
902 "\033[37m", /* placeholder for log level 8 */
903 "\033[37m" /* GST_LEVEL_MEMDUMP */
908 * gst_debug_log_default:
909 * @category: category to log
910 * @level: level of the message
911 * @file: the file that emitted the message, usually the __FILE__ identifier
912 * @function: the function that emitted the message
913 * @line: the line from that the message was emitted, usually __LINE__
914 * @message: the actual message
915 * @object: (transfer none) (allow-none): the object this message relates to,
917 * @unused: an unused variable, reserved for some user_data.
919 * The default logging handler used by GStreamer. Logging functions get called
920 * whenever a macro like GST_DEBUG or similar is used. This function outputs the
921 * message and additional info to stderr (or the log file specified via the
922 * GST_DEBUG_FILE environment variable).
924 * You can add other handlers by using gst_debug_add_log_function().
925 * And you can remove this handler by calling
926 * gst_debug_remove_log_function(gst_debug_log_default);
929 gst_debug_log_default (GstDebugCategory * category, GstDebugLevel level,
930 const gchar * file, const gchar * function, gint line,
931 GObject * object, GstDebugMessage * message, gpointer unused)
934 GstClockTime elapsed;
938 if (level > gst_debug_category_get_threshold (category))
942 is_colored = gst_debug_is_colored ();
945 obj = gst_debug_print_object (object);
950 elapsed = GST_CLOCK_DIFF (_priv_gst_info_start_time,
951 gst_util_get_timestamp ());
955 /* colors, non-windows */
959 const gchar *levelcolor;
961 color = gst_debug_construct_term_color (gst_debug_category_get_color
964 g_sprintf (pidcolor, "\033[3%1dm", pid % 6 + 31);
965 levelcolor = levelcolormap[level];
967 #define PRINT_FMT " %s"PID_FMT"%s "PTR_FMT" %s%s%s %s"CAT_FMT"%s %s\n"
968 fprintf (log_file, "%" GST_TIME_FORMAT PRINT_FMT, GST_TIME_ARGS (elapsed),
969 pidcolor, pid, clear, g_thread_self (), levelcolor,
970 gst_debug_level_get_name (level), clear, color,
971 gst_debug_category_get_name (category), file, line, function, obj,
972 clear, gst_debug_message_get (message));
977 /* colors, windows. We take a lock to keep colors and content together.
978 * Maybe there is a better way but for now this will do the right
980 static GMutex win_print_mutex;
981 const gint clear = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
982 #define SET_COLOR(c) G_STMT_START { \
983 if (log_file == stderr) \
984 SetConsoleTextAttribute (GetStdHandle (STD_ERROR_HANDLE), (c)); \
986 g_mutex_lock (&win_print_mutex);
988 fprintf (log_file, "%" GST_TIME_FORMAT " ", GST_TIME_ARGS (elapsed));
991 SET_COLOR (available_colors[pid % G_N_ELEMENTS (available_colors)]);
992 fprintf (log_file, PID_FMT, pid);
996 fprintf (log_file, " " PTR_FMT " ", g_thread_self ());
999 SET_COLOR (levelcolormap[level]);
1000 fprintf (log_file, "%s ", gst_debug_level_get_name (level));
1003 SET_COLOR (gst_debug_construct_win_color (gst_debug_category_get_color
1005 fprintf (log_file, CAT_FMT, gst_debug_category_get_name (category),
1006 file, line, function, obj);
1010 fprintf (log_file, " %s\n", gst_debug_message_get (message));
1012 g_mutex_unlock (&win_print_mutex);
1015 /* no color, all platforms */
1016 #define PRINT_FMT " "PID_FMT" "PTR_FMT" %s "CAT_FMT" %s\n"
1017 fprintf (log_file, "%" GST_TIME_FORMAT PRINT_FMT, GST_TIME_ARGS (elapsed),
1018 pid, g_thread_self (), gst_debug_level_get_name (level),
1019 gst_debug_category_get_name (category), file, line, function, obj,
1020 gst_debug_message_get (message));
1029 * gst_debug_level_get_name:
1030 * @level: the level to get the name for
1032 * Get the string representation of a debugging level
1037 gst_debug_level_get_name (GstDebugLevel level)
1040 case GST_LEVEL_NONE:
1042 case GST_LEVEL_ERROR:
1044 case GST_LEVEL_WARNING:
1046 case GST_LEVEL_INFO:
1048 case GST_LEVEL_DEBUG:
1052 case GST_LEVEL_FIXME:
1054 case GST_LEVEL_TRACE:
1056 case GST_LEVEL_MEMDUMP:
1059 g_warning ("invalid level specified for gst_debug_level_get_name");
1065 * gst_debug_add_log_function:
1066 * @func: the function to use
1067 * @user_data: user data
1068 * @notify: called when @user_data is not used anymore
1070 * Adds the logging function to the list of logging functions.
1071 * Be sure to use #G_GNUC_NO_INSTRUMENT on that function, it is needed.
1074 gst_debug_add_log_function (GstLogFunction func, gpointer user_data,
1075 GDestroyNotify notify)
1077 LogFuncEntry *entry;
1081 func = gst_debug_log_default;
1083 entry = g_slice_new (LogFuncEntry);
1085 entry->user_data = user_data;
1086 entry->notify = notify;
1087 /* FIXME: we leak the old list here - other threads might access it right now
1088 * in gst_debug_logv. Another solution is to lock the mutex in gst_debug_logv,
1089 * but that is waaay costly.
1090 * It'd probably be clever to use some kind of RCU here, but I don't know
1091 * anything about that.
1093 g_mutex_lock (&__log_func_mutex);
1094 list = g_slist_copy (__log_functions);
1095 __log_functions = g_slist_prepend (list, entry);
1096 g_mutex_unlock (&__log_func_mutex);
1098 GST_DEBUG ("prepended log function %p (user data %p) to log functions",
1103 gst_debug_compare_log_function_by_func (gconstpointer entry, gconstpointer func)
1105 gpointer entryfunc = (gpointer) (((LogFuncEntry *) entry)->func);
1107 return (entryfunc < func) ? -1 : (entryfunc > func) ? 1 : 0;
1111 gst_debug_compare_log_function_by_data (gconstpointer entry, gconstpointer data)
1113 gpointer entrydata = ((LogFuncEntry *) entry)->user_data;
1115 return (entrydata < data) ? -1 : (entrydata > data) ? 1 : 0;
1119 gst_debug_remove_with_compare_func (GCompareFunc func, gpointer data)
1122 GSList *new, *cleanup = NULL;
1125 g_mutex_lock (&__log_func_mutex);
1126 new = __log_functions;
1128 while ((found = g_slist_find_custom (new, data, func))) {
1129 if (new == __log_functions) {
1130 /* make a copy when we have the first hit, so that we modify the copy and
1131 * make that the new list later */
1132 new = g_slist_copy (new);
1135 cleanup = g_slist_prepend (cleanup, found->data);
1136 new = g_slist_delete_link (new, found);
1139 /* FIXME: We leak the old list here. See _add_log_function for why. */
1140 __log_functions = new;
1141 g_mutex_unlock (&__log_func_mutex);
1144 LogFuncEntry *entry = cleanup->data;
1147 entry->notify (entry->user_data);
1149 g_slice_free (LogFuncEntry, entry);
1150 cleanup = g_slist_delete_link (cleanup, cleanup);
1156 * gst_debug_remove_log_function:
1157 * @func: (scope call): the log function to remove
1159 * Removes all registered instances of the given logging functions.
1161 * Returns: How many instances of the function were removed
1164 gst_debug_remove_log_function (GstLogFunction func)
1169 func = gst_debug_log_default;
1172 gst_debug_remove_with_compare_func
1173 (gst_debug_compare_log_function_by_func, (gpointer) func);
1174 GST_DEBUG ("removed log function %p %d times from log function list", func,
1181 * gst_debug_remove_log_function_by_data:
1182 * @data: user data of the log function to remove
1184 * Removes all registered instances of log functions with the given user data.
1186 * Returns: How many instances of the function were removed
1189 gst_debug_remove_log_function_by_data (gpointer data)
1194 gst_debug_remove_with_compare_func
1195 (gst_debug_compare_log_function_by_data, data);
1197 ("removed %d log functions with user data %p from log function list",
1204 * gst_debug_set_colored:
1205 * @colored: Whether to use colored output or not
1207 * Sets or unsets the use of coloured debugging output.
1209 * This function may be called before gst_init().
1212 gst_debug_set_colored (gboolean colored)
1214 g_atomic_int_set (&__use_color, (gint) colored);
1218 * gst_debug_is_colored:
1220 * Checks if the debugging output should be colored.
1222 * Returns: TRUE, if the debug output should be colored.
1225 gst_debug_is_colored (void)
1227 return (gboolean) g_atomic_int_get (&__use_color);
1231 * gst_debug_set_active:
1232 * @active: Whether to use debugging output or not
1234 * If activated, debugging messages are sent to the debugging
1236 * It makes sense to deactivate it for speed issues.
1237 * <note><para>This function is not threadsafe. It makes sense to only call it
1238 * during initialization.</para></note>
1241 gst_debug_set_active (gboolean active)
1243 _gst_debug_enabled = active;
1245 _gst_debug_min = GST_LEVEL_COUNT;
1247 _gst_debug_min = GST_LEVEL_NONE;
1251 * gst_debug_is_active:
1253 * Checks if debugging output is activated.
1255 * Returns: TRUE, if debugging is activated
1258 gst_debug_is_active (void)
1260 return _gst_debug_enabled;
1264 * gst_debug_set_default_threshold:
1265 * @level: level to set
1267 * Sets the default threshold to the given level and updates all categories to
1268 * use this threshold.
1270 * This function may be called before gst_init().
1273 gst_debug_set_default_threshold (GstDebugLevel level)
1275 g_atomic_int_set (&__default_level, level);
1276 gst_debug_reset_all_thresholds ();
1280 * gst_debug_get_default_threshold:
1282 * Returns the default threshold that is used for new categories.
1284 * Returns: the default threshold level
1287 gst_debug_get_default_threshold (void)
1289 return (GstDebugLevel) g_atomic_int_get (&__default_level);
1293 gst_debug_reset_threshold (gpointer category, gpointer unused)
1295 GstDebugCategory *cat = (GstDebugCategory *) category;
1298 g_mutex_lock (&__level_name_mutex);
1299 walk = __level_name;
1301 LevelNameEntry *entry = walk->data;
1303 walk = g_slist_next (walk);
1304 if (g_pattern_match_string (entry->pat, cat->name)) {
1305 GST_LOG ("category %s matches pattern %p - gets set to level %d",
1306 cat->name, entry->pat, entry->level);
1307 gst_debug_category_set_threshold (cat, entry->level);
1311 gst_debug_category_set_threshold (cat, gst_debug_get_default_threshold ());
1314 g_mutex_unlock (&__level_name_mutex);
1318 gst_debug_reset_all_thresholds (void)
1320 g_mutex_lock (&__cat_mutex);
1321 g_slist_foreach (__categories, gst_debug_reset_threshold, NULL);
1322 g_mutex_unlock (&__cat_mutex);
1326 for_each_threshold_by_entry (gpointer data, gpointer user_data)
1328 GstDebugCategory *cat = (GstDebugCategory *) data;
1329 LevelNameEntry *entry = (LevelNameEntry *) user_data;
1331 if (g_pattern_match_string (entry->pat, cat->name)) {
1332 GST_LOG ("category %s matches pattern %p - gets set to level %d",
1333 cat->name, entry->pat, entry->level);
1334 gst_debug_category_set_threshold (cat, entry->level);
1339 * gst_debug_set_threshold_for_name:
1340 * @name: name of the categories to set
1341 * @level: level to set them to
1343 * Sets all categories which match the given glob style pattern to the given
1347 gst_debug_set_threshold_for_name (const gchar * name, GstDebugLevel level)
1350 LevelNameEntry *entry;
1352 g_return_if_fail (name != NULL);
1354 pat = g_pattern_spec_new (name);
1355 entry = g_slice_new (LevelNameEntry);
1357 entry->level = level;
1358 g_mutex_lock (&__level_name_mutex);
1359 __level_name = g_slist_prepend (__level_name, entry);
1360 g_mutex_unlock (&__level_name_mutex);
1361 g_mutex_lock (&__cat_mutex);
1362 g_slist_foreach (__categories, for_each_threshold_by_entry, entry);
1363 g_mutex_unlock (&__cat_mutex);
1367 * gst_debug_unset_threshold_for_name:
1368 * @name: name of the categories to set
1370 * Resets all categories with the given name back to the default level.
1373 gst_debug_unset_threshold_for_name (const gchar * name)
1378 g_return_if_fail (name != NULL);
1380 pat = g_pattern_spec_new (name);
1381 g_mutex_lock (&__level_name_mutex);
1382 walk = __level_name;
1383 /* improve this if you want, it's mighty slow */
1385 LevelNameEntry *entry = walk->data;
1387 if (g_pattern_spec_equal (entry->pat, pat)) {
1388 __level_name = g_slist_remove_link (__level_name, walk);
1389 g_pattern_spec_free (entry->pat);
1390 g_slice_free (LevelNameEntry, entry);
1391 g_slist_free_1 (walk);
1392 walk = __level_name;
1395 g_mutex_unlock (&__level_name_mutex);
1396 g_pattern_spec_free (pat);
1397 gst_debug_reset_all_thresholds ();
1401 _gst_debug_category_new (const gchar * name, guint color,
1402 const gchar * description)
1404 GstDebugCategory *cat;
1406 g_return_val_if_fail (name != NULL, NULL);
1408 cat = g_slice_new (GstDebugCategory);
1409 cat->name = g_strdup (name);
1411 if (description != NULL) {
1412 cat->description = g_strdup (description);
1414 cat->description = g_strdup ("no description");
1416 g_atomic_int_set (&cat->threshold, 0);
1417 gst_debug_reset_threshold (cat, NULL);
1419 /* add to category list */
1420 g_mutex_lock (&__cat_mutex);
1421 __categories = g_slist_prepend (__categories, cat);
1422 g_mutex_unlock (&__cat_mutex);
1428 * gst_debug_category_free:
1429 * @category: #GstDebugCategory to free.
1431 * Removes and frees the category and all associated resources.
1434 gst_debug_category_free (GstDebugCategory * category)
1436 if (category == NULL)
1439 /* remove from category list */
1440 g_mutex_lock (&__cat_mutex);
1441 __categories = g_slist_remove (__categories, category);
1442 g_mutex_unlock (&__cat_mutex);
1444 g_free ((gpointer) category->name);
1445 g_free ((gpointer) category->description);
1446 g_slice_free (GstDebugCategory, category);
1450 * gst_debug_category_set_threshold:
1451 * @category: a #GstDebugCategory to set threshold of.
1452 * @level: the #GstDebugLevel threshold to set.
1454 * Sets the threshold of the category to the given level. Debug information will
1455 * only be output if the threshold is lower or equal to the level of the
1456 * debugging message.
1458 * Do not use this function in production code, because other functions may
1459 * change the threshold of categories as side effect. It is however a nice
1460 * function to use when debugging (even from gdb).
1464 gst_debug_category_set_threshold (GstDebugCategory * category,
1465 GstDebugLevel level)
1467 g_return_if_fail (category != NULL);
1469 if (level > _gst_debug_min) {
1470 _gst_debug_enabled = TRUE;
1471 _gst_debug_min = level;
1474 g_atomic_int_set (&category->threshold, level);
1478 * gst_debug_category_reset_threshold:
1479 * @category: a #GstDebugCategory to reset threshold of.
1481 * Resets the threshold of the category to the default level. Debug information
1482 * will only be output if the threshold is lower or equal to the level of the
1483 * debugging message.
1484 * Use this function to set the threshold back to where it was after using
1485 * gst_debug_category_set_threshold().
1488 gst_debug_category_reset_threshold (GstDebugCategory * category)
1490 gst_debug_reset_threshold (category, NULL);
1494 * gst_debug_category_get_threshold:
1495 * @category: a #GstDebugCategory to get threshold of.
1497 * Returns the threshold of a #GstDebugCategory.
1499 * Returns: the #GstDebugLevel that is used as threshold.
1502 gst_debug_category_get_threshold (GstDebugCategory * category)
1504 return (GstDebugLevel) g_atomic_int_get (&category->threshold);
1508 * gst_debug_category_get_name:
1509 * @category: a #GstDebugCategory to get name of.
1511 * Returns the name of a debug category.
1513 * Returns: the name of the category.
1516 gst_debug_category_get_name (GstDebugCategory * category)
1518 return category->name;
1522 * gst_debug_category_get_color:
1523 * @category: a #GstDebugCategory to get the color of.
1525 * Returns the color of a debug category used when printing output in this
1528 * Returns: the color of the category.
1531 gst_debug_category_get_color (GstDebugCategory * category)
1533 return category->color;
1537 * gst_debug_category_get_description:
1538 * @category: a #GstDebugCategory to get the description of.
1540 * Returns the description of a debug category.
1542 * Returns: the description of the category.
1545 gst_debug_category_get_description (GstDebugCategory * category)
1547 return category->description;
1551 * gst_debug_get_all_categories:
1553 * Returns a snapshot of a all categories that are currently in use . This list
1554 * may change anytime.
1555 * The caller has to free the list after use.
1557 * Returns: (transfer container) (element-type Gst.DebugCategory): the list of
1561 gst_debug_get_all_categories (void)
1565 g_mutex_lock (&__cat_mutex);
1566 ret = g_slist_copy (__categories);
1567 g_mutex_unlock (&__cat_mutex);
1573 _gst_debug_get_category (const gchar * name)
1575 GstDebugCategory *ret = NULL;
1578 for (node = __categories; node; node = g_slist_next (node)) {
1579 ret = (GstDebugCategory *) node->data;
1580 if (!strcmp (name, ret->name)) {
1587 /*** FUNCTION POINTERS ********************************************************/
1589 static GHashTable *__gst_function_pointers; /* NULL */
1590 static GMutex __dbg_functions_mutex;
1592 /* This function MUST NOT return NULL */
1594 _gst_debug_nameof_funcptr (GstDebugFuncPtr func)
1602 if (G_UNLIKELY (func == NULL))
1605 g_mutex_lock (&__dbg_functions_mutex);
1606 if (G_LIKELY (__gst_function_pointers)) {
1607 ptrname = g_hash_table_lookup (__gst_function_pointers, (gpointer) func);
1608 g_mutex_unlock (&__dbg_functions_mutex);
1609 if (G_LIKELY (ptrname))
1612 g_mutex_unlock (&__dbg_functions_mutex);
1614 /* we need to create an entry in the hash table for this one so we don't leak
1617 if (dladdr ((gpointer) func, &dl_info) && dl_info.dli_sname) {
1618 gchar *name = g_strdup (dl_info.dli_sname);
1620 _gst_debug_register_funcptr (func, name);
1625 gchar *name = g_strdup_printf ("%p", (gpointer) func);
1627 _gst_debug_register_funcptr (func, name);
1633 _gst_debug_register_funcptr (GstDebugFuncPtr func, const gchar * ptrname)
1635 gpointer ptr = (gpointer) func;
1637 g_mutex_lock (&__dbg_functions_mutex);
1639 if (!__gst_function_pointers)
1640 __gst_function_pointers = g_hash_table_new (g_direct_hash, g_direct_equal);
1641 if (!g_hash_table_lookup (__gst_function_pointers, ptr))
1642 g_hash_table_insert (__gst_function_pointers, ptr, (gpointer) ptrname);
1644 g_mutex_unlock (&__dbg_functions_mutex);
1647 /*** PRINTF EXTENSIONS ********************************************************/
1649 #ifdef HAVE_PRINTF_EXTENSION
1651 _gst_info_printf_extension_ptr (FILE * stream, const struct printf_info *info,
1652 const void *const *args)
1659 ptr = *(void **) args[0];
1661 buffer = gst_debug_print_object (ptr);
1662 len = fprintf (stream, "%*s", (info->left ? -info->width : info->width),
1670 _gst_info_printf_extension_segment (FILE * stream,
1671 const struct printf_info *info, const void *const *args)
1678 ptr = *(void **) args[0];
1680 buffer = gst_debug_print_segment (ptr);
1681 len = fprintf (stream, "%*s", (info->left ? -info->width : info->width),
1688 #ifdef HAVE_REGISTER_PRINTF_SPECIFIER
1690 _gst_info_printf_extension_arginfo (const struct printf_info *info, size_t n,
1691 int *argtypes, int *size)
1694 _gst_info_printf_extension_arginfo (const struct printf_info *info, size_t n,
1699 argtypes[0] = PA_POINTER;
1700 #ifdef HAVE_REGISTER_PRINTF_SPECIFIER
1701 *size = sizeof (gpointer);
1706 #endif /* HAVE_PRINTF_EXTENSION */
1709 gst_info_dump_mem_line (gchar * linebuf, gsize linebuf_size,
1710 const guint8 * mem, gsize mem_offset, gsize mem_size)
1712 gchar hexstr[50], ascstr[18], digitstr[4];
1724 while (i < mem_size) {
1725 ascstr[i] = (g_ascii_isprint (mem[i])) ? mem[i] : '.';
1726 g_snprintf (digitstr, sizeof (digitstr), "%02x ", mem[i]);
1727 g_strlcat (hexstr, digitstr, sizeof (hexstr));
1733 g_snprintf (linebuf, linebuf_size, "%08x: %-48.48s %-16.16s",
1734 (guint) mem_offset, hexstr, ascstr);
1738 _gst_debug_dump_mem (GstDebugCategory * cat, const gchar * file,
1739 const gchar * func, gint line, GObject * obj, const gchar * msg,
1740 const guint8 * data, guint length)
1744 gst_debug_log ((cat), GST_LEVEL_MEMDUMP, file, func, line, obj, "--------"
1745 "-------------------------------------------------------------------");
1747 if (msg != NULL && *msg != '\0') {
1748 gst_debug_log ((cat), GST_LEVEL_MEMDUMP, file, func, line, obj, "%s", msg);
1751 while (off < length) {
1754 /* gst_info_dump_mem_line will process 16 bytes at most */
1755 gst_info_dump_mem_line (buf, sizeof (buf), data, off, length - off);
1756 gst_debug_log (cat, GST_LEVEL_MEMDUMP, file, func, line, obj, "%s", buf);
1760 gst_debug_log ((cat), GST_LEVEL_MEMDUMP, file, func, line, obj, "--------"
1761 "-------------------------------------------------------------------");
1764 #else /* !GST_DISABLE_GST_DEBUG */
1765 #ifndef GST_REMOVE_DISABLED
1768 _gst_debug_category_new (const gchar * name, guint color,
1769 const gchar * description)
1775 _gst_debug_register_funcptr (GstDebugFuncPtr func, const gchar * ptrname)
1779 /* This function MUST NOT return NULL */
1781 _gst_debug_nameof_funcptr (GstDebugFuncPtr func)
1787 gst_debug_log (GstDebugCategory * category, GstDebugLevel level,
1788 const gchar * file, const gchar * function, gint line,
1789 GObject * object, const gchar * format, ...)
1794 gst_debug_log_valist (GstDebugCategory * category, GstDebugLevel level,
1795 const gchar * file, const gchar * function, gint line,
1796 GObject * object, const gchar * format, va_list args)
1801 gst_debug_message_get (GstDebugMessage * message)
1807 gst_debug_log_default (GstDebugCategory * category, GstDebugLevel level,
1808 const gchar * file, const gchar * function, gint line,
1809 GObject * object, GstDebugMessage * message, gpointer unused)
1814 gst_debug_level_get_name (GstDebugLevel level)
1820 gst_debug_add_log_function (GstLogFunction func, gpointer data)
1825 gst_debug_remove_log_function (GstLogFunction func)
1831 gst_debug_remove_log_function_by_data (gpointer data)
1837 gst_debug_set_active (gboolean active)
1842 gst_debug_is_active (void)
1848 gst_debug_set_colored (gboolean colored)
1853 gst_debug_is_colored (void)
1859 gst_debug_set_default_threshold (GstDebugLevel level)
1864 gst_debug_get_default_threshold (void)
1866 return GST_LEVEL_NONE;
1870 gst_debug_set_threshold_for_name (const gchar * name, GstDebugLevel level)
1875 gst_debug_unset_threshold_for_name (const gchar * name)
1880 gst_debug_category_free (GstDebugCategory * category)
1885 gst_debug_category_set_threshold (GstDebugCategory * category,
1886 GstDebugLevel level)
1891 gst_debug_category_reset_threshold (GstDebugCategory * category)
1896 gst_debug_category_get_threshold (GstDebugCategory * category)
1898 return GST_LEVEL_NONE;
1902 gst_debug_category_get_name (GstDebugCategory * category)
1908 gst_debug_category_get_color (GstDebugCategory * category)
1914 gst_debug_category_get_description (GstDebugCategory * category)
1920 gst_debug_get_all_categories (void)
1926 _gst_debug_get_category (const gchar * name)
1932 gst_debug_construct_term_color (guint colorinfo)
1934 return g_strdup ("00");
1938 gst_debug_construct_win_color (guint colorinfo)
1944 _priv_gst_in_valgrind (void)
1950 _gst_debug_dump_mem (GstDebugCategory * cat, const gchar * file,
1951 const gchar * func, gint line, GObject * obj, const gchar * msg,
1952 const guint8 * data, guint length)
1955 #endif /* GST_REMOVE_DISABLED */
1956 #endif /* GST_DISABLE_GST_DEBUG */
1959 #ifdef GST_ENABLE_FUNC_INSTRUMENTATION
1960 /* FIXME make this thread specific */
1961 static GSList *stack_trace = NULL;
1964 __cyg_profile_func_enter (void *this_fn, void *call_site)
1965 G_GNUC_NO_INSTRUMENT;
1966 void __cyg_profile_func_enter (void *this_fn, void *call_site)
1968 gchar *name = _gst_debug_nameof_funcptr (this_fn);
1969 gchar *site = _gst_debug_nameof_funcptr (call_site);
1971 GST_CAT_DEBUG (GST_CAT_CALL_TRACE, "entering function %s from %s", name,
1974 g_slist_prepend (stack_trace, g_strdup_printf ("%8p in %s from %p (%s)",
1975 this_fn, name, call_site, site));
1982 __cyg_profile_func_exit (void *this_fn, void *call_site)
1983 G_GNUC_NO_INSTRUMENT;
1984 void __cyg_profile_func_exit (void *this_fn, void *call_site)
1986 gchar *name = _gst_debug_nameof_funcptr (this_fn);
1988 GST_CAT_DEBUG (GST_CAT_CALL_TRACE, "leaving function %s", name);
1989 g_free (stack_trace->data);
1990 stack_trace = g_slist_delete_link (stack_trace, stack_trace);
1996 * gst_debug_print_stack_trace:
1998 * If GST_ENABLE_FUNC_INSTRUMENTATION is defined a stacktrace is available for
1999 * gstreamer code, which can be printed with this function.
2002 gst_debug_print_stack_trace (void)
2004 GSList *walk = stack_trace;
2008 walk = g_slist_next (walk);
2011 gchar *name = (gchar *) walk->data;
2013 g_print ("#%-2d %s\n", count++, name);
2015 walk = g_slist_next (walk);
2020 gst_debug_print_stack_trace (void)
2022 /* nothing because it's compiled out */
2025 #endif /* GST_ENABLE_FUNC_INSTRUMENTATION */