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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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466 lines
13 KiB
C
466 lines
13 KiB
C
/* 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 <dlfcn.h>
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#include "gst_private.h"
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#include "gstelement.h"
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#include "gstpad.h"
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extern gchar *_gst_progname;
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/***** Categories and colorization *****/
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static gchar *_gst_info_category_strings[] = {
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"GST_INIT",
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"COTHREADS",
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"COTHREAD_SWITCH",
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"AUTOPLUG",
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"AUTOPLUG_ATTEMPT",
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"PARENTAGE",
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"STATES",
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"PLANNING",
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"SCHEDULING",
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"DATAFLOW",
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"BUFFER",
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"CAPS",
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"CLOCK",
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"ELEMENT_PADS",
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"ELEMENTFACTORY",
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"PADS",
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"PIPELINE",
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"PLUGIN_LOADING",
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"PLUGIN_ERRORS",
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"PLUGIN_INFO",
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"PROPERTIES",
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"THREAD",
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"TYPES",
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"XML",
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"NEGOTIATION",
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"REFCOUNTING",
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};
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/**
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* gst_get_category_name:
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* @category: the category to return the name of
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*
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* Returns: string containing the name of the category
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*/
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const gchar *
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gst_get_category_name (gint category) {
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if ((category >= 0) && (category < GST_CAT_MAX_CATEGORY))
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return _gst_info_category_strings[category];
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else
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return NULL;
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}
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/*
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* Attribute codes:
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* 00=none 01=bold 04=underscore 05=blink 07=reverse 08=concealed
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* Text color codes:
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* 30=black 31=red 32=green 33=yellow 34=blue 35=magenta 36=cyan 37=white
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* Background color codes:
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* 40=black 41=red 42=green 43=yellow 44=blue 45=magenta 46=cyan 47=white
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*/
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const gchar *_gst_category_colors[32] = {
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[GST_CAT_GST_INIT] = "07;37",
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[GST_CAT_COTHREADS] = "00;32",
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[GST_CAT_COTHREAD_SWITCH] = "00;37;42",
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[GST_CAT_AUTOPLUG] = "00;34",
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[GST_CAT_AUTOPLUG_ATTEMPT] = "00;36;44",
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[GST_CAT_PARENTAGE] = "01;37;41", // !!
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[GST_CAT_STATES] = "00;31",
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[GST_CAT_PLANNING] = "07;35",
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[GST_CAT_SCHEDULING] = "00;35",
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[GST_CAT_DATAFLOW] = "00;32",
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[GST_CAT_BUFFER] = "00;32",
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[GST_CAT_CAPS] = "04;34",
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[GST_CAT_CLOCK] = "00;33", // !!
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[GST_CAT_ELEMENT_PADS] = "01;37;41", // !!
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[GST_CAT_ELEMENTFACTORY] = "01;37;41", // !!
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[GST_CAT_PADS] = "01;37;41", // !!
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[GST_CAT_PIPELINE] = "01;37;41", // !!
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[GST_CAT_PLUGIN_LOADING] = "00;36",
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[GST_CAT_PLUGIN_ERRORS] = "05;31",
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[GST_CAT_PLUGIN_INFO] = "00;36",
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[GST_CAT_PROPERTIES] = "00;37;44", // !!
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[GST_CAT_THREAD] = "00;31",
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[GST_CAT_TYPES] = "01;37;41", // !!
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[GST_CAT_XML] = "01;37;41", // !!
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[GST_CAT_NEGOTIATION] = "07;34",
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[GST_CAT_REFCOUNTING] = "00;34:42",
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[31] = "",
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};
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/* colorization hash - DEPRACATED in favor of above */
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inline gint _gst_debug_stringhash_color(gchar *file) {
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int filecolor = 0;
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while (file[0]) filecolor += *(char *)(file++);
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filecolor = (filecolor % 6) + 31;
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return filecolor;
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}
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/***** DEBUG system *****/
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GstDebugHandler _gst_debug_handler = gst_default_debug_handler;
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guint32 _gst_debug_categories = 0x00000000;
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/**
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* gst_default_debug_handler:
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* @category: category of the DEBUG message
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* @incore: if the debug handler is for core code.
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* @file: the file the DEBUG occurs in
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* @function: the function the DEBUG occurs in
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* @line: the line number in the file
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* @debug_string: the current debug_string in the function, if any
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* @element: pointer to the #GstElement in question
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* @string: the actual DEBUG string
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*
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* Prints out the DEBUG mesage in a variant of the following form:
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*
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* DEBUG(pid:cid):gst_function:542(args): [elementname] something neat happened
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*/
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void
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gst_default_debug_handler (gint category, gboolean incore, 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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gchar *empty = "";
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gchar *elementname = empty,*location = empty;
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int pthread_id = getpid();
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int cothread_id = cothread_getcurrent();
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#ifdef GST_DEBUG_COLOR
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int pthread_color = pthread_id%6 + 31;
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int cothread_color = (cothread_id < 0) ? 37 : (cothread_id%6 + 31);
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#endif
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if (debug_string == NULL) debug_string = "";
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// if (category != GST_CAT_GST_INIT)
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location = g_strdup_printf("%s:%d%s:",function,line,debug_string);
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if (element && GST_IS_ELEMENT (element))
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#ifdef GST_DEBUG_COLOR
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elementname = g_strdup_printf (" \033[04m[%s]\033[00m", GST_OBJECT_NAME (element));
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#else
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elementname = g_strdup_printf (" [%s]", GST_OBJECT_NAME (element));
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#endif
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#ifdef GST_DEBUG_COLOR
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fprintf(stderr,"DEBUG(\033[00;%dm%5d\033[00m:\033[00;%dm%2d\033[00m)\033["
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"%s;%sm%s%s\033[00m %s",
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pthread_color,pthread_id,cothread_color,cothread_id,incore?"00":"01",
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_gst_category_colors[category],location,elementname,string);
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#else
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fprintf(stderr,"DEBUG(%5d:%2d)%s%s %s",
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pthread_id,cothread_id,location,elementname,string);
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#endif /* GST_DEBUG_COLOR */
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if (location != empty) g_free(location);
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if (elementname != empty) g_free(elementname);
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g_free(string);
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}
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/**
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* gst_debug_set_categories:
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* @categories: bitmask of DEBUG categories to enable
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*
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* Enable the output of DEBUG categories based on the given bitmask.
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* The bit for any given category is (1 << GST_CAT_...).
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*/
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void
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gst_debug_set_categories (guint32 categories) {
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_gst_debug_categories = categories;
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if (categories)
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GST_INFO (0, "setting DEBUG categories to 0x%08X",categories);
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}
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/**
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* gst_debug_get_categories:
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*
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* Returns: the current bitmask of enabled DEBUG categories
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* The bit for any given category is (1 << GST_CAT_...).
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*/
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guint32
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gst_debug_get_categories () {
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return _gst_debug_categories;
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}
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/**
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* gst_debug_enable_category:
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* @category: the category to enable
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*
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* Enables the given GST_CAT_... DEBUG category.
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*/
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void
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gst_debug_enable_category (gint category) {
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_gst_debug_categories |= (1 << category);
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if (_gst_debug_categories)
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GST_INFO (0, "setting DEBUG categories to 0x%08X",_gst_debug_categories);
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}
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/**
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* gst_debug_disable_category:
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* @category: the category to disable
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*
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* Disables the given GST_CAT_... DEBUG category.
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*/
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void
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gst_debug_disable_category (gint category) {
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_gst_debug_categories &= ~ (1 << category);
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if (_gst_debug_categories)
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GST_INFO (0, "setting DEBUG categories to 0x%08X",_gst_debug_categories);
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}
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/***** INFO system *****/
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GstInfoHandler _gst_info_handler = gst_default_info_handler;
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#ifdef GST_INFO_ENABLED_VERBOSE
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guint32 _gst_info_categories = 0xffffffff;
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#else
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guint32 _gst_info_categories = 0x00000001;
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#endif
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/**
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* gst_default_info_handler:
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* @category: category of the INFO message
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* @incore: if the info handler is for core code.
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* @file: the file the INFO occurs in
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* @function: the function the INFO occurs in
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* @line: the line number in the file
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* @debug_string: the current debug_string in the function, if any
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* @element: pointer to the #GstElement in question
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* @string: the actual INFO string
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*
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* Prints out the INFO mesage in a variant of the following form:
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*
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* INFO:gst_function:542(args): [elementname] something neat happened
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*/
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void
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gst_default_info_handler (gint category, gboolean incore,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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gchar *empty = "";
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gchar *elementname = empty,*location = empty;
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int pthread_id = getpid();
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int cothread_id = cothread_getcurrent();
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#ifdef GST_DEBUG_COLOR
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int pthread_color = pthread_id%6 + 31;
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int cothread_color = (cothread_id < 0) ? 37 : (cothread_id%6 + 31);
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#endif
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if (debug_string == NULL) debug_string = "";
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if (category != GST_CAT_GST_INIT)
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location = g_strdup_printf("%s:%d%s:",function,line,debug_string);
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if (element && GST_IS_ELEMENT (element))
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elementname = g_strdup_printf (" \033[04m[%s]\033[00m", GST_OBJECT_NAME (element));
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/*
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#ifdef GST_DEBUG_ENABLED
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*/
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#ifdef GST_DEBUG_COLOR
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fprintf(stderr,"\033[01mINFO\033[00m (\033[00;%dm%5d\033[00m:\033[00;%dm%2d\033[00m)\033["
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GST_DEBUG_CHAR_MODE ";%sm%s%s\033[00m %s\n",
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pthread_color,pthread_id,cothread_color,cothread_id,
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_gst_category_colors[category],location,elementname,string);
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#else
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fprintf(stderr,"INFO (%5d:%2d)%s%s %s\n",
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pthread_id,cothread_id,location,elementname,string);
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#endif // GST_DEBUG_COLOR
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/*
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#else
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#ifdef GST_DEBUG_COLOR
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fprintf(stderr,"\033[01mINFO\033[00m:\033[" GST_DEBUG_CHAR_MODE ";%sm%s%s\033[00m %s\n",
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location,elementname,_gst_category_colors[category],string);
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#else
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fprintf(stderr,"INFO:%s%s %s\n",
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location,elementname,string);
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#endif // GST_DEBUG_COLOR
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#endif
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*/
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if (location != empty) g_free(location);
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if (elementname != empty) g_free(elementname);
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g_free(string);
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}
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/**
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* gst_info_set_categories:
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* @categories: bitmask of INFO categories to enable
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*
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* Enable the output of INFO categories based on the given bitmask.
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* The bit for any given category is (1 << GST_CAT_...).
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*/
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void
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gst_info_set_categories (guint32 categories) {
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_gst_info_categories = categories;
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if (categories)
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GST_INFO (0, "setting INFO categories to 0x%08X",categories);
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}
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/**
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* gst_info_get_categories:
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*
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* Returns: the current bitmask of enabled INFO categories
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* The bit for any given category is (1 << GST_CAT_...).
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*/
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guint32
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gst_info_get_categories () {
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return _gst_info_categories;
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}
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/**
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* gst_info_enable_category:
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* @category: the category to enable
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*
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* Enables the given GST_CAT_... INFO category.
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*/
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void
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gst_info_enable_category (gint category) {
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_gst_info_categories |= (1 << category);
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if (_gst_info_categories)
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GST_INFO (0, "setting INFO categories to 0x%08X",_gst_info_categories);
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}
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/**
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* gst_info_disable_category:
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* @category: the category to disable
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*
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* Disables the given GST_CAT_... INFO category.
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*/
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void
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gst_info_disable_category (gint category) {
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_gst_info_categories &= ~ (1 << category);
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if (_gst_info_categories)
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GST_INFO (0, "setting INFO categories to 0x%08X",_gst_info_categories);
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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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* gst_default_error_handler:
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* @file: the file the ERROR occurs in
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* @function: the function the INFO occurs in
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* @line: the line number in the file
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* @debug_string: the current debug_string in the function, if any
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* @element: pointer to the #GstElement in question
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* @object: pointer to a related object
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* @string: the actual ERROR string
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*
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* Prints out the given ERROR string in a variant of the following format:
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*
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* ***** GStreamer ERROR ***** in file gstsomething.c at gst_function:399(arg)
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* Element: /pipeline/thread/element.src
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* Error: peer is null!
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* ***** attempting to stack trace.... *****
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*
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* At the end, it attempts to print the stack trace via GDB.
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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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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_OBJECT(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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/***** DEBUG system *****/
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GHashTable *__gst_function_pointers = NULL;
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gchar *
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_gst_debug_nameof_funcptr (void *ptr)
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{
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gchar *ptrname;
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Dl_info dlinfo;
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if (__gst_function_pointers) {
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if ((ptrname = g_hash_table_lookup(__gst_function_pointers,ptr)))
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return g_strdup(ptrname);
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} else if (dladdr(ptr,&dlinfo) && dlinfo.dli_sname) {
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return g_strdup(dlinfo.dli_sname);
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} else {
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return g_strdup_printf("%p",ptr);
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}
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return NULL;
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}
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