mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-06-27 02:10:41 +00:00
9a0438ba93
Original commit message from CVS: Started work on better ghostpad management, and started to build the low- level EOS mechanism. Also removed a couple of printouts that aren't needed any more.
250 lines
9.2 KiB
C
250 lines
9.2 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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* gstdebug.h: Debugging helper macros
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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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#ifndef __GSTINFO_H__
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#define __GSTINFO_H__
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#include <stdio.h>
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#include <gmodule.h>
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#include <unistd.h>
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "cothreads.h"
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/**********************************************************************
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* DEBUG system
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**********************************************************************/
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/* for include files that make too much noise normally */
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#ifdef GST_DEBUG_FORCE_DISABLE
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#undef GST_DEBUG_ENABLED
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#endif
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/* for applications that really really want all the noise */
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#ifdef GST_DEBUG_FORCE_ENABLE
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#define GST_DEBUG_ENABLED
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#endif
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/* fallback, this should probably be a 'weak' symbol or something */
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G_GNUC_UNUSED static gchar *_debug_string = NULL;
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#define GST_DEBUG_PREFIX(format,args...) \
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"DEBUG(%d:%d)" __PRETTY_FUNCTION__ ":%d" format , getpid() , cothread_getcurrent() , __LINE__ , ## args
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#ifdef GST_DEBUG_ENABLED
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#define DEBUG(format,args...) \
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(_debug_string != NULL) ? \
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fprintf(stderr,GST_DEBUG_PREFIX("%s: "format , _debug_string , ## args )) : \
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fprintf(stderr,GST_DEBUG_PREFIX(": "format , ## args ))
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#define DEBUG_NOPREFIX(format,args...) fprintf(stderr,format , ## args )
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#define DEBUG_ENTER(format, args...) \
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fprintf(stderr,GST_DEBUG_PREFIX(format": entering\n" , ## args ))
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#define DEBUG_SET_STRING(format, args...) \
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gchar *_debug_string = g_strdup_printf(format , ## args )
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#define DEBUG_ENTER_STRING DEBUG_ENTER("%s",_debug_string)
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#define DEBUG_LEAVE(format, args...) \
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if (_debug_string != NULL) g_free(_debug_string),\
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fprintf(stderr,GST_DEBUG_PREFIX(format": leaving\n" , ## args ))
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#define DEBUG_LEAVE_STRING DEBUG_LEAVE("%s",_debug_string)
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#else
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#define DEBUG(format, args...)
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#define DEBUG_NOPREFIX(format, args...)
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#define DEBUG_ENTER(format, args...)
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#define DEBUG_LEAVE(format, args...)
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#define DEBUG_SET_STRING(format, args...)
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#define DEBUG_ENTER_STRING
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#endif
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/********** some convenience macros for debugging **********/
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#define GST_DEBUG_PAD_NAME(pad) \
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((pad)->parent != NULL) ? gst_element_get_name(GST_ELEMENT((pad)->parent)) : "''", gst_pad_get_name(pad)
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/********** function pointer stuff **********/
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extern GHashTable *__gst_function_pointers;
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#ifdef GST_DEBUG_ENABLED
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#define GST_DEBUG_FUNCPTR(ptr) _gst_debug_register_funcptr((void *)(ptr), #ptr)
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#define GST_DEBUG_FUNCPTR_NAME(ptr) _gst_debug_nameof_funcptr((void *)ptr)
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#else
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#define GST_DEBUG_FUNCPTR(ptr) (ptr)
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#define GST_DEBUG_FUNCPTR_NAME(ptr) ""
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#endif
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static inline void *
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_gst_debug_register_funcptr (void *ptr, gchar *ptrname)
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{
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if (!__gst_function_pointers) __gst_function_pointers = g_hash_table_new(g_direct_hash,g_direct_equal);
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if (!g_hash_table_lookup(__gst_function_pointers,ptr))
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g_hash_table_insert(__gst_function_pointers,ptr,ptrname);
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return ptr;
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}
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static inline gchar *
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_gst_debug_nameof_funcptr (void *ptr)
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{
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gchar *ptrname = __gst_function_pointers ? g_hash_table_lookup(__gst_function_pointers,ptr) : NULL;
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// FIXME this must go away, it's a major leak
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if (!ptrname) return g_strdup_printf("%p",ptr);
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else return ptrname;
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}
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/**********************************************************************
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* The following is a DEBUG_ENTER implementation that will wrap the
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* function it sits at the head of. It removes the need for a
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* DEBUG_LEAVE call. However, it segfaults whenever it gets anywhere
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* near cothreads. We will not use it for the moment.
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*
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typedef void (*_debug_function_f)();
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G_GNUC_UNUSED static gchar *_debug_string_pointer = NULL;
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G_GNUC_UNUSED static GModule *_debug_self_module = NULL;
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#define _DEBUG_ENTER_BUILTIN(format,args...) \
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static int _debug_in_wrapper = 0; \
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gchar *_debug_string = ({ \
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if (!_debug_in_wrapper) { \
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void *_return_value; \
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gchar *_debug_string; \
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_debug_function_f function; \
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void *_function_args = __builtin_apply_args(); \
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_debug_in_wrapper = 1; \
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_debug_string = g_strdup_printf(GST_DEBUG_PREFIX("")); \
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_debug_string_pointer = _debug_string; \
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fprintf(stderr,"%s: entered " __PRETTY_FUNCTION__ format "\n" , _debug_string , ## args ); \
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if (_debug_self_module == NULL) _debug_self_module = g_module_open(NULL,0); \
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g_module_symbol(_debug_self_module,__FUNCTION__,(gpointer *)&function); \
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_return_value = __builtin_apply(function,_function_args,64); \
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fprintf(stderr,"%s: left " __PRETTY_FUNCTION__ format "\n" , _debug_string , ## args ); \
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g_free(_debug_string); \
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__builtin_return(_return_value); \
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} else { \
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_debug_in_wrapper = 0; \
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} \
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_debug_string_pointer; \
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});
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* WARNING: there's a gcc CPP bug lurking in here. The extra space before the ##args *
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* somehow make the preprocessor leave the _debug_string. If it's removed, the *
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* _debug_string somehow gets stripped along with the ##args, and that's all she wrote. *
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#define _DEBUG_BUILTIN(format,args...) \
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if (_debug_string != (void *)-1) { \
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if (_debug_string) \
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fprintf(stderr,"%s: " format , _debug_string , ## args); \
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else \
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fprintf(stderr,GST_DEBUG_PREFIX(": " format , ## args)); \
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}
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*/
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/**********************************************************************
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* INFO system
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**********************************************************************/
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typedef void (*GstInfoHandler) (gint category,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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void gst_default_info_handler (gint category,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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extern GstInfoHandler _gst_info_handler;
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extern guint32 _gst_info_categories;
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#define INFO(cat,format,args...) G_STMT_START{ \
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if ((1<<cat) & _gst_info_categories) \
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_gst_info_handler(cat,__FILE__,__PRETTY_FUNCTION__,__LINE__,_debug_string, \
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NULL,g_strdup_printf( format , ## args )); \
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}G_STMT_END
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#define INFO_ELEMENT(cat,element,format,args...) G_STMT_START{ \
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if ((1<<cat) & _gst_info_categories) \
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_gst_info_handler(cat,__FILE__,__PRETTY_FUNCTION__,__LINE__,_debug_string, \
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element,g_strdup_printf( format , ## args )); \
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}G_STMT_END
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enum {
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GST_INFO_GST_INIT = 0, // Library initialization
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GST_INFO_COTHREADS, // Cothread creation, etc.
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GST_INFO_COTHREAD_SWITCH, // Cothread switching
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GST_INFO_AUTOPLUG, // Successful autoplug results
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GST_INFO_AUTOPLUG_ATTEMPT, // Attempted autoplug operations
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GST_INFO_PARENTAGE, // GstBin parentage issues
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GST_INFO_STATES, // State changes and such
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GST_INFO_PLANNING, // Plan generation
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GST_INFO_SCHEDULING, // Schedule construction
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GST_INFO_OPERATION, // Events during actual data movement
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GST_INFO_BUFFER, // Buffer creation/destruction
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GST_INFO_CAPS, // Capabilities matching
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GST_INFO_CLOCK, // Clocking
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GST_INFO_ELEMENT_PADS, // Element pad management
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GST_INFO_ELEMENTFACTORY, // Elementfactory stuff
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GST_INFO_PADS, // Pad creation/connection
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GST_INFO_PIPELINE, // Pipeline stuff
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GST_INFO_PLUGIN_LOADING, // Plugin loading
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GST_INFO_PLUGIN_ERRORS, // Errors during plugin loading
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GST_INFO_PROPERTIES, // Properties
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GST_INFO_THREAD, // Thread creation/management
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GST_INFO_TYPES, // Typing
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GST_INFO_XML, // XML load/save of everything
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};
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/**********************************************************************
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* ERROR system
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**********************************************************************/
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typedef void (*GstErrorHandler) (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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void 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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extern GstErrorHandler _gst_error_handler;
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#define ERROR(element,format,args...) \
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_gst_error_handler(__FILE__,__PRETTY_FUNCTION__,__LINE__,_debug_string, \
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element,NULL,g_strdup_printf( format , ## args ))
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#define ERROR_OBJECT(element,object,format,args...) \
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_gst_error_handler(__FILE__,__PRETTY_FUNCTION__,__LINE__,_debug_string, \
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element,object,g_strdup_printf( format , ## args ))
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#endif /* __GSTINFO_H__ */
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