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198 lines
5.4 KiB
C
198 lines
5.4 KiB
C
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/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gstinfo.c: INFO, ERROR, and DEBUG systems
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "gst.h"
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extern gchar *_gst_progname;
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/***** DEBUG system *****/
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GHashTable *__gst_function_pointers = NULL;
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/***** INFO system *****/
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GstInfoHandler _gst_info_handler = gst_default_info_handler;
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void
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gst_default_info_handler (gint level, gchar *file, gchar *function,
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gint line, gchar *debug_string,
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void *element, gchar *string)
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{
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if (element) {
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if (debug_string)
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fprintf(stderr,"INFO:%d:%s:%d%s: [%s] %s\n",
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level,function,line,debug_string,gst_element_get_name(element),string);
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else
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fprintf(stderr,"INFO:%d:%s:%d: [%s] %s\n",
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level,function,line,gst_element_get_name(element),string);
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} else {
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if (debug_string)
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fprintf(stderr,"INFO:%d:%s:%d%s: %s\n",
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level,function,line,debug_string,string);
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else
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fprintf(stderr,"INFO:%d:%s:%d: %s\n",
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level,function,line,string);
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}
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g_free(string);
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}
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/***** ERROR system *****/
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GstErrorHandler _gst_error_handler = gst_default_error_handler;
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/*
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gchar *gst_object_get_path_string(GstObject *object) {
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GSList *parentage = NULL;
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GSList *parents;
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void *parent;
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gchar *prevpath, *path = "";
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const char *component;
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gchar *separator = "";
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gboolean free_component;
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parentage = g_slist_prepend (NULL, object);
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// first walk the object hierarchy to build a list of the parents
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do {
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if (GST_IS_OBJECT(object)) {
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if (GST_IS_PAD(object)) {
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parent = GST_PAD(object)->parent;
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// } else if (GST_IS_ELEMENT(object)) {
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// parent = gst_element_get_parent(GST_ELEMENT(object));
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} else {
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parent = gst_object_get_parent (object);
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}
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} else {
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parentage = g_slist_prepend (parentage, NULL);
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parent = NULL;
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}
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if (parent != NULL) {
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parentage = g_slist_prepend (parentage, parent);
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}
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object = parent;
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} while (object != NULL);
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// then walk the parent list and print them out
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parents = parentage;
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while (parents) {
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if (GST_IS_OBJECT(parents->data)) {
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if (GST_IS_PAD(parents->data)) {
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component = gst_pad_get_name(GST_PAD(parents->data));
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separator = ".";
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free_component = FALSE;
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} else if (GST_IS_ELEMENT(parents->data)) {
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component = gst_element_get_name(GST_ELEMENT(parents->data));
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separator = "/";
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free_component = FALSE;
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} else {
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// component = g_strdup_printf("a %s",gtk_type_name(gtk_identifier_get_type(parents->data)));
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component = g_strdup_printf("unknown%p",parents->data);
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separator = "/";
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free_component = TRUE;
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}
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} else {
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component = g_strdup_printf("%p",parents->data);
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separator = "/";
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free_component = TRUE;
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}
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prevpath = path;
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path = g_strjoin(separator,prevpath,component,NULL);
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g_free(prevpath);
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if (free_component)
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g_free((gchar *)component);
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parents = g_slist_next(parents);
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}
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g_slist_free(parentage);
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return path;
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}
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*/
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void
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gst_default_error_handler (gchar *file, gchar *function,
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gint line, gchar *debug_string,
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void *element, void *object, gchar *string)
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{
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int chars = 0;
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GSList *parentage;
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GstObject *parent;
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gchar *path;
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int i;
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// if there are NULL pointers, point them to null strings to clean up output
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if (!debug_string) debug_string = "";
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if (!string) string = "";
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// print out a preamble
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fprintf(stderr,"***** GStreamer ERROR ***** in file %s at %s:%d%s\n",
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file,function,line,debug_string);
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// if there's an element, print out the pertinent information
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if (element) {
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if (GST_IS_ELEMENT(element)) {
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path = gst_object_get_path_string(element);
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fprintf(stderr,"Element: %s",path);
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chars = 9 + strlen(path);
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g_free(path);
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} else {
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fprintf(stderr,"Element ptr: %p",element);
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chars = 15 + sizeof(void*)*2;
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}
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}
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// if there's an object, print it out as well
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if (object) {
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// attempt to pad the line, or create a new one
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if (chars < 40)
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for (i=0;i<(40-chars)/8+1;i++) fprintf(stderr,"\t");
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else
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fprintf(stderr,"\n");
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if (GST_IS_OBJECT(object)) {
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path = gst_object_get_path_string(object);
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fprintf(stderr,"Object: %s",path);
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g_free(path);
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} else {
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fprintf(stderr,"Object ptr: %p",object);
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}
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}
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fprintf(stderr,"\n");
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fprintf(stderr,"Error: %s\n",string);
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g_free(string);
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fprintf(stderr,"***** attempting to stack trace.... *****\n");
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g_on_error_stack_trace (_gst_progname);
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exit(1);
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}
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