gstreamer/gst/gstinfo.h
Erik Walthinsen c17ed10404 Reworked getregion/pullregion stuff. Region is now specified by a type (OFFSET_LEN, TIME_LEN, etc.) and two guint64'...
Original commit message from CVS:
Reworked getregion/pullregion stuff.  Region is now specified by a type
(OFFSET_LEN, TIME_LEN, etc.) and two guint64's.  They are offset and len,
where offset can be used for the time field, and len would be zero or
the time unit (say, 33ms for video).
2001-02-05 17:16:23 +00:00

309 lines
11 KiB
C

/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstinfo.h:
*
* 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.
*/
#ifndef __GSTINFO_H__
#define __GSTINFO_H__
#include <stdio.h>
#include <gmodule.h>
#include <unistd.h>
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "cothreads.h"
/**********************************************************************
* DEBUG system
**********************************************************************/
extern guint32 _gst_debug_categories;
/* for include files that make too much noise normally */
#ifdef GST_DEBUG_FORCE_DISABLE
#undef GST_DEBUG_ENABLED
#endif
/* for applications that really really want all the noise */
#ifdef GST_DEBUG_FORCE_ENABLE
#define GST_DEBUG_ENABLED
#endif
//#ifdef GST_DEBUG_ENABLED
#define GST_DEBUG_ENABLE_CATEGORIES 0xffffffff
//#else
//#define GST_DEBUG_ENABLE_CATEGORIES 0x00000000
//#endif
/* fallback, this should probably be a 'weak' symbol or something */
G_GNUC_UNUSED static gchar *_debug_string = NULL;
#define GST_DEBUG_PREFIX(format,args...) \
"DEBUG(%d:%d)" __PRETTY_FUNCTION__ ":%d" format , getpid() , cothread_getcurrent() , __LINE__ , ## args
#ifdef GST_DEBUG_ENABLED
#define GST_DEBUG(cat,format,args...) G_STMT_START{ \
if (((1<<cat) & GST_DEBUG_ENABLE_CATEGORIES) && \
((1<<cat) & _gst_debug_categories)) \
(_debug_string != NULL) ? \
fprintf(stderr,GST_DEBUG_PREFIX("%s: "format , _debug_string , ## args )) : \
fprintf(stderr,GST_DEBUG_PREFIX(": "format , ## args )); \
}G_STMT_END
#define GST_DEBUG_NOPREFIX(cat,format,args...) G_STMT_START{ \
if (((1<<cat) & GST_DEBUG_ENABLE_CATEGORIES) && \
((1<<cat) & _gst_debug_categories)) \
fprintf(stderr,format , ## args ); \
}G_STMT_END
#define GST_DEBUG_ENTER(format, args...) G_STMT_START{ \
if (((1<<31) & GST_DEBUG_ENABLE_CATEGORIES) && \
((1<<31) & _gst_debug_categories)) \
fprintf(stderr,GST_DEBUG_PREFIX(format": entering\n" , ## args )); \
}G_STMT_END
// FIXME FIXME FIXME this leaks like crazy
#define GST_DEBUG_SET_STRING(format, args...) \
gchar *_debug_string = g_strdup_printf(format , ## args )
#define GST_DEBUG_ENTER_STRING GST_DEBUG_ENTER("%s",_debug_string)
#define GST_DEBUG_LEAVE(format, args...) G_STMT_START{ \
if (((1<<31) & GST_DEBUG_ENABLE_CATEGORIES) && \
((1<<31) & _gst_debug_categories)) \
if (_debug_string != NULL) g_free(_debug_string),\
fprintf(stderr,GST_DEBUG_PREFIX(format": leaving\n" , ## args )); \
}G_STMT_END
#define GST_DEBUG_LEAVE_STRING GST_DEBUG_LEAVE("%s",_debug_string)
#else
#define GST_DEBUG(format, args...)
#define GST_DEBUG_NOPREFIX(format, args...)
#define GST_DEBUG_ENTER(format, args...)
#define GST_DEBUG_LEAVE(format, args...)
#define GST_DEBUG_SET_STRING(format, args...)
#define GST_DEBUG_ENTER_STRING
#endif
/********** some convenience macros for debugging **********/
#define GST_DEBUG_PAD_NAME(pad) \
(GST_OBJECT_PARENT(pad) != NULL) ? \
GST_OBJECT_NAME (GST_OBJECT_PARENT(pad)) : \
"''", GST_OBJECT_NAME (pad)
/********** function pointer stuff **********/
extern GHashTable *__gst_function_pointers;
#ifdef GST_DEBUG_ENABLED
#define GST_DEBUG_FUNCPTR(ptr) _gst_debug_register_funcptr((void *)(ptr), #ptr)
#define GST_DEBUG_FUNCPTR_NAME(ptr) _gst_debug_nameof_funcptr((void *)ptr)
#else
#define GST_DEBUG_FUNCPTR(ptr) (ptr)
#define GST_DEBUG_FUNCPTR_NAME(ptr) ""
#endif
static inline void *
_gst_debug_register_funcptr (void *ptr, gchar *ptrname)
{
if (!__gst_function_pointers) __gst_function_pointers = g_hash_table_new(g_direct_hash,g_direct_equal);
if (!g_hash_table_lookup(__gst_function_pointers,ptr))
g_hash_table_insert(__gst_function_pointers,ptr,ptrname);
return ptr;
}
static inline gchar *
_gst_debug_nameof_funcptr (void *ptr)
{
gchar *ptrname = __gst_function_pointers ? g_hash_table_lookup(__gst_function_pointers,ptr) : NULL;
// FIXME this must go away, it's a major leak
if (!ptrname) return g_strdup_printf("%p",ptr);
else return ptrname;
}
/**********************************************************************
* The following is a DEBUG_ENTER implementation that will wrap the
* function it sits at the head of. It removes the need for a
* DEBUG_LEAVE call. However, it segfaults whenever it gets anywhere
* near cothreads. We will not use it for the moment.
*
typedef void (*_debug_function_f)();
G_GNUC_UNUSED static gchar *_debug_string_pointer = NULL;
G_GNUC_UNUSED static GModule *_debug_self_module = NULL;
#define _DEBUG_ENTER_BUILTIN(format,args...) \
static int _debug_in_wrapper = 0; \
gchar *_debug_string = ({ \
if (!_debug_in_wrapper) { \
void *_return_value; \
gchar *_debug_string; \
_debug_function_f function; \
void *_function_args = __builtin_apply_args(); \
_debug_in_wrapper = 1; \
_debug_string = g_strdup_printf(GST_DEBUG_PREFIX("")); \
_debug_string_pointer = _debug_string; \
fprintf(stderr,"%s: entered " __PRETTY_FUNCTION__ format "\n" , _debug_string , ## args ); \
if (_debug_self_module == NULL) _debug_self_module = g_module_open(NULL,0); \
g_module_symbol(_debug_self_module,__FUNCTION__,(gpointer *)&function); \
_return_value = __builtin_apply(function,_function_args,64); \
fprintf(stderr,"%s: left " __PRETTY_FUNCTION__ format "\n" , _debug_string , ## args ); \
g_free(_debug_string); \
__builtin_return(_return_value); \
} else { \
_debug_in_wrapper = 0; \
} \
_debug_string_pointer; \
});
* WARNING: there's a gcc CPP bug lurking in here. The extra space before the ##args *
* somehow make the preprocessor leave the _debug_string. If it's removed, the *
* _debug_string somehow gets stripped along with the ##args, and that's all she wrote. *
#define _DEBUG_BUILTIN(format,args...) \
if (_debug_string != (void *)-1) { \
if (_debug_string) \
fprintf(stderr,"%s: " format , _debug_string , ## args); \
else \
fprintf(stderr,GST_DEBUG_PREFIX(": " format , ## args)); \
}
*/
/**********************************************************************
* INFO system
**********************************************************************/
typedef void (*GstInfoHandler) (gint category,gchar *file,gchar *function,
gint line,gchar *debug_string,
void *element,gchar *string);
void gst_default_info_handler (gint category,gchar *file,gchar *function,
gint line,gchar *debug_string,
void *element,gchar *string);
extern GstInfoHandler _gst_info_handler;
extern guint32 _gst_info_categories;
/* for include files that make too much noise normally */
#ifdef GST_INFO_FORCE_DISABLE
#undef GST_INFO_ENABLED
#endif
/* for applications that really really want all the noise */
#ifdef GST_INFO_FORCE_ENABLE
#define GST_INFO_ENABLED
#endif
#ifdef GST_INFO_ENABLED
#define GST_INFO(cat,format,args...) G_STMT_START{ \
if ((1<<cat) & _gst_info_categories) \
_gst_info_handler(cat,__FILE__,__PRETTY_FUNCTION__,__LINE__,_debug_string, \
NULL,g_strdup_printf( format , ## args )); \
}G_STMT_END
#define GST_INFO_ELEMENT(cat,element,format,args...) G_STMT_START{ \
if ((1<<cat) & _gst_info_categories) \
_gst_info_handler(cat,__FILE__,__PRETTY_FUNCTION__,__LINE__,_debug_string, \
element,g_strdup_printf( format , ## args )); \
}G_STMT_END
#else
#define GST_INFO(cat,format,args...)
#define GST_INFO_ELEMENT(cat,element,format,args...)
#endif
void gst_info_set_categories (guint32 categories);
guint32 gst_info_get_categories (void);
void gst_info_enable_category (gint category);
void gst_info_disable_category (gint category);
void gst_debug_set_categories (guint32 categories);
guint32 gst_debug_get_categories (void);
void gst_debug_enable_category (gint category);
void gst_debug_disable_category (gint category);
const gchar * gst_get_category_name (gint category);
enum {
GST_CAT_GST_INIT = 0, // Library initialization
GST_CAT_COTHREADS, // Cothread creation, etc.
GST_CAT_COTHREAD_SWITCH, // Cothread switching
GST_CAT_AUTOPLUG, // Successful autoplug results
GST_CAT_AUTOPLUG_ATTEMPT, // Attempted autoplug operations
GST_CAT_PARENTAGE, // GstBin parentage issues
GST_CAT_STATES, // State changes and such
GST_CAT_PLANNING, // Plan generation
GST_CAT_SCHEDULING, // Schedule construction
GST_CAT_DATAFLOW, // Events during actual data movement
GST_CAT_BUFFER, // Buffer creation/destruction
GST_CAT_CAPS, // Capabilities matching
GST_CAT_CLOCK, // Clocking
GST_CAT_ELEMENT_PADS, // Element pad management
GST_CAT_ELEMENTFACTORY, // Elementfactory stuff
GST_CAT_PADS, // Pad creation/connection
GST_CAT_PIPELINE, // Pipeline stuff
GST_CAT_PLUGIN_LOADING, // Plugin loading
GST_CAT_PLUGIN_ERRORS, // Errors during plugin loading
GST_CAT_PROPERTIES, // Properties
GST_CAT_THREAD, // Thread creation/management
GST_CAT_TYPES, // Typing
GST_CAT_XML, // XML load/save of everything
GST_CAT_MAX_CATEGORY,
};
/**********************************************************************
* ERROR system
**********************************************************************/
typedef void (*GstErrorHandler) (gchar *file,gchar *function,
gint line,gchar *debug_string,
void *element,void *object,gchar *string);
void gst_default_error_handler (gchar *file,gchar *function,
gint line,gchar *debug_string,
void *element,void *object,gchar *string);
extern GstErrorHandler _gst_error_handler;
#define GST_ERROR(element,format,args...) \
_gst_error_handler(__FILE__,__PRETTY_FUNCTION__,__LINE__,_debug_string, \
element,NULL,g_strdup_printf( format , ## args ))
#define GST_ERROR_OBJECT(element,object,format,args...) \
_gst_error_handler(__FILE__,__PRETTY_FUNCTION__,__LINE__,_debug_string, \
element,object,g_strdup_printf( format , ## args ))
#endif /* __GSTINFO_H__ */