gstreamer/gst/gstinfo.c

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/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstinfo.c: INFO, ERROR, and DEBUG systems
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "gst_private.h"
#include "gst.h"
extern gchar *_gst_progname;
/***** DEBUG system *****/
GHashTable *__gst_function_pointers = NULL;
/***** INFO system *****/
GstInfoHandler _gst_info_handler = gst_default_info_handler;
#ifdef GST_INFO_ENABLED_VERBOSE
guint32 _gst_info_categories = 0xffffffff;
#else
guint32 _gst_info_categories = 0x00000001;
#endif
static gchar *_gst_info_category_strings[] = {
"GST_INIT",
"COTHREADS",
"COTHREAD_SWITCH",
"AUTOPLUG",
"AUTOPLUG_ATTEMPT",
"PARENTAGE",
"STATES",
"PLANING",
"SCHEDULING",
"OPERATION",
"BUFFER",
"CAPS",
"CLOCK",
"ELEMENT_PADS",
"ELEMENTFACTORY",
"PADS",
"PIPELINE",
"PLUGIN_LOADING",
"PLUGIN_ERRORS",
"PROPERTIES",
"THREAD",
"TYPES",
"XML",
};
void
gst_default_info_handler (gint category, gchar *file, gchar *function,
gint line, gchar *debug_string,
void *element, gchar *string)
{
gchar *empty = "";
gchar *elementname = empty,*location = empty;
if (debug_string == NULL) debug_string = "";
if (category != GST_CAT_GST_INIT)
location = g_strdup_printf("%s:%d%s:",function,line,debug_string);
if (element && GST_IS_ELEMENT (element))
elementname = g_strdup_printf (" [%s]",gst_element_get_name (element));
fprintf(stderr,"INFO:%s%s %s\n",location,elementname,string);
if (location != empty) g_free(location);
if (elementname != empty) g_free(elementname);
g_free(string);
}
void
gst_info_set_categories (guint32 categories) {
_gst_info_categories = categories;
}
guint32
gst_info_get_categories () {
return _gst_info_categories;
}
const gchar *
gst_get_category_name (gint category) {
if ((category >= 0) && (category < GST_CAT_MAX_CATEGORY))
return _gst_info_category_strings[category];
else
return NULL;
}
void
gst_info_enable_category (gint category) {
_gst_info_categories |= (1 << category);
}
void
gst_info_disable_category (gint category) {
_gst_info_categories &= ~ (1 << category);
}
/***** ERROR system *****/
GstErrorHandler _gst_error_handler = gst_default_error_handler;
void
gst_default_error_handler (gchar *file, gchar *function,
gint line, gchar *debug_string,
void *element, void *object, gchar *string)
{
int chars = 0;
gchar *path;
int i;
// if there are NULL pointers, point them to null strings to clean up output
if (!debug_string) debug_string = "";
if (!string) string = "";
// print out a preamble
fprintf(stderr,"***** GStreamer ERROR ***** in file %s at %s:%d%s\n",
file,function,line,debug_string);
// if there's an element, print out the pertinent information
if (element) {
if (GST_IS_OBJECT(element)) {
path = gst_object_get_path_string(element);
fprintf(stderr,"Element: %s",path);
chars = 9 + strlen(path);
g_free(path);
} else {
fprintf(stderr,"Element ptr: %p",element);
chars = 15 + sizeof(void*)*2;
}
}
// if there's an object, print it out as well
if (object) {
// attempt to pad the line, or create a new one
if (chars < 40)
for (i=0;i<(40-chars)/8+1;i++) fprintf(stderr,"\t");
else
fprintf(stderr,"\n");
if (GST_IS_OBJECT(object)) {
path = gst_object_get_path_string(object);
fprintf(stderr,"Object: %s",path);
g_free(path);
} else {
fprintf(stderr,"Object ptr: %p",object);
}
}
fprintf(stderr,"\n");
fprintf(stderr,"Error: %s\n",string);
g_free(string);
fprintf(stderr,"***** attempting to stack trace.... *****\n");
g_on_error_stack_trace (_gst_progname);
exit(1);
}