gstreamer_core/gst/gsttrace.h
changeset 0 0e761a78d257
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     1 /* GStreamer
       
     2  * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
       
     3  *                    2000 Wim Taymans <wtay@chello.be>
       
     4  *
       
     5  * gsttrace.h: Header for tracing functions (deprecated)
       
     6  *
       
     7  * This library is free software; you can redistribute it and/or
       
     8  * modify it under the terms of the GNU Library General Public
       
     9  * License as published by the Free Software Foundation; either
       
    10  * version 2 of the License, or (at your option) any later version.
       
    11  *
       
    12  * This library is distributed in the hope that it will be useful,
       
    13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
       
    14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
       
    15  * Library General Public License for more details.
       
    16  *
       
    17  * You should have received a copy of the GNU Library General Public
       
    18  * License along with this library; if not, write to the
       
    19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
       
    20  * Boston, MA 02111-1307, USA.
       
    21  */
       
    22 
       
    23 
       
    24 #ifndef __GST_TRACE_H__
       
    25 #define __GST_TRACE_H__
       
    26 
       
    27 #include <glib.h>
       
    28 
       
    29 G_BEGIN_DECLS
       
    30 
       
    31 /**
       
    32  * GstAllocTraceFlags:
       
    33  * @GST_ALLOC_TRACE_LIVE: Trace number of non-freed memory
       
    34  * @GST_ALLOC_TRACE_MEM_LIVE: trace pointers of unfreed memory
       
    35  *
       
    36  * Flags indicating which tracing feature to enable.
       
    37  */
       
    38 typedef enum {
       
    39   GST_ALLOC_TRACE_LIVE		= (1 << 0),
       
    40   GST_ALLOC_TRACE_MEM_LIVE	= (1 << 1)
       
    41 } GstAllocTraceFlags;
       
    42 
       
    43 typedef struct _GstAllocTrace 	GstAllocTrace;
       
    44 
       
    45 /**
       
    46  * GstAllocTrace:
       
    47  * @name: The name of the tracing object
       
    48  * @flags: Flags for this object
       
    49  * @live: counter for live memory
       
    50  * @mem_live: list with pointers to unfreed memory
       
    51  *
       
    52  * The main tracing object
       
    53  */
       
    54 struct _GstAllocTrace {
       
    55   gchar		*name;
       
    56   gint		 flags;
       
    57 
       
    58   gint		 live;
       
    59   GSList	*mem_live;
       
    60 };
       
    61 
       
    62 #ifndef GST_DISABLE_TRACE
       
    63 
       
    64 typedef struct _GstTrace 	GstTrace;
       
    65 typedef struct _GstTraceEntry 	GstTraceEntry;
       
    66 
       
    67 /**
       
    68  * GstTrace:
       
    69  *
       
    70  * Opaque #GstTrace structure.
       
    71  */
       
    72 struct _GstTrace {
       
    73   /*< private >*/
       
    74   /* where this trace is going */
       
    75   gchar *filename;
       
    76   int fd;
       
    77 
       
    78   /* current buffer, size, head offset */
       
    79   GstTraceEntry *buf;
       
    80   gint bufsize;
       
    81   gint bufoffset;
       
    82 };
       
    83 
       
    84 struct _GstTraceEntry {
       
    85   gint64 timestamp;
       
    86   guint32 sequence;
       
    87   guint32 data;
       
    88   gchar message[112];
       
    89 };
       
    90 #ifdef __SYMBIAN32__
       
    91 IMPORT_C
       
    92 #endif
       
    93 
       
    94 
       
    95 
       
    96 
       
    97 GstTrace*	gst_trace_new			(gchar *filename, gint size);
       
    98 #ifdef __SYMBIAN32__
       
    99 IMPORT_C
       
   100 #endif
       
   101 
       
   102 
       
   103 void 		gst_trace_destroy		(GstTrace *trace);
       
   104 #ifdef __SYMBIAN32__
       
   105 IMPORT_C
       
   106 #endif
       
   107 
       
   108 void 		gst_trace_flush			(GstTrace *trace);
       
   109 #ifdef __SYMBIAN32__
       
   110 IMPORT_C
       
   111 #endif
       
   112 
       
   113 void 		gst_trace_text_flush		(GstTrace *trace);
       
   114 /**
       
   115  * gst_trace_get_size:
       
   116  * @trace: a #GstTrace
       
   117  *
       
   118  * Retrieve the buffer size of @trace.
       
   119  */
       
   120 #define 	gst_trace_get_size(trace) 	((trace)->bufsize)
       
   121 /**
       
   122  * gst_trace_get_offset:
       
   123  * @trace: a #GstTrace
       
   124  *
       
   125  * Retrieve the current buffer offset of @trace.
       
   126  */
       
   127 #define 	gst_trace_get_offset(trace) 	((trace)->bufoffset)
       
   128 /**
       
   129  * gst_trace_get_remaining:
       
   130  * @trace: a #GstTrace
       
   131  *
       
   132  * Retrieve the remaining size in the @trace buffer.
       
   133  */
       
   134 #define 	gst_trace_get_remaining(trace) 	((trace)->bufsize - (trace)->bufoffset)
       
   135 void 		gst_trace_set_default		(GstTrace *trace);
       
   136 #ifdef __SYMBIAN32__
       
   137 IMPORT_C
       
   138 #endif
       
   139 
       
   140 
       
   141 void 		_gst_trace_add_entry		(GstTrace *trace, guint32 seq,
       
   142 						 guint32 data, gchar *msg);
       
   143 #ifdef __SYMBIAN32__
       
   144 IMPORT_C
       
   145 #endif
       
   146 
       
   147 
       
   148 void 		gst_trace_read_tsc		(gint64 *dst);
       
   149 #ifdef __SYMBIAN32__
       
   150 IMPORT_C
       
   151 #endif
       
   152 
       
   153 
       
   154 
       
   155 gboolean		gst_alloc_trace_available	(void);
       
   156 #ifdef __SYMBIAN32__
       
   157 IMPORT_C
       
   158 #endif
       
   159 
       
   160 G_CONST_RETURN GList*	gst_alloc_trace_list		(void);
       
   161 #ifdef __SYMBIAN32__
       
   162 IMPORT_C
       
   163 #endif
       
   164 
       
   165 GstAllocTrace*		_gst_alloc_trace_register	(const gchar *name);
       
   166 #ifdef __SYMBIAN32__
       
   167 IMPORT_C
       
   168 #endif
       
   169 
       
   170 
       
   171 int			gst_alloc_trace_live_all	(void);
       
   172 #ifdef __SYMBIAN32__
       
   173 IMPORT_C
       
   174 #endif
       
   175 
       
   176 void			gst_alloc_trace_print_all	(void);
       
   177 #ifdef __SYMBIAN32__
       
   178 IMPORT_C
       
   179 #endif
       
   180 
       
   181 void			gst_alloc_trace_print_live	(void);
       
   182 #ifdef __SYMBIAN32__
       
   183 IMPORT_C
       
   184 #endif
       
   185 
       
   186 void			gst_alloc_trace_set_flags_all	(GstAllocTraceFlags flags);
       
   187 #ifdef __SYMBIAN32__
       
   188 IMPORT_C
       
   189 #endif
       
   190 
       
   191 
       
   192 GstAllocTrace*		gst_alloc_trace_get		(const gchar *name);
       
   193 #ifdef __SYMBIAN32__
       
   194 IMPORT_C
       
   195 #endif
       
   196 
       
   197 void			gst_alloc_trace_print		(const GstAllocTrace *trace);
       
   198 #ifdef __SYMBIAN32__
       
   199 IMPORT_C
       
   200 #endif
       
   201 
       
   202 void			gst_alloc_trace_set_flags	(GstAllocTrace *trace, GstAllocTraceFlags flags);
       
   203 
       
   204 
       
   205 #ifndef GST_DISABLE_ALLOC_TRACE
       
   206 /**
       
   207  * gst_alloc_trace_register:
       
   208  * @name: The name of the tracer object
       
   209  *
       
   210  * Register a new alloc tracer with the given name
       
   211  */
       
   212 #define	gst_alloc_trace_register(name) _gst_alloc_trace_register (name);
       
   213 
       
   214 /**
       
   215  * gst_alloc_trace_new:
       
   216  * @trace: The tracer to use
       
   217  * @mem: The memory allocated
       
   218  *
       
   219  * Use the tracer to trace a new memory allocation
       
   220  */
       
   221 #define	gst_alloc_trace_new(trace, mem) 		\
       
   222 G_STMT_START {						\
       
   223   if ((trace)->flags & GST_ALLOC_TRACE_LIVE) 		\
       
   224     (trace)->live++;					\
       
   225   if ((trace)->flags & GST_ALLOC_TRACE_MEM_LIVE) 	\
       
   226     (trace)->mem_live = 				\
       
   227       g_slist_prepend ((trace)->mem_live, mem);		\
       
   228 } G_STMT_END
       
   229 
       
   230 /**
       
   231  * gst_alloc_trace_free:
       
   232  * @trace: The tracer to use
       
   233  * @mem: The memory that is freed
       
   234  *
       
   235  * Trace a memory free operation
       
   236  */
       
   237 #define	gst_alloc_trace_free(trace, mem) 		\
       
   238 G_STMT_START {						\
       
   239   if ((trace)->flags & GST_ALLOC_TRACE_LIVE) 		\
       
   240     (trace)->live--;					\
       
   241   if ((trace)->flags & GST_ALLOC_TRACE_MEM_LIVE) 	\
       
   242     (trace)->mem_live = 				\
       
   243       g_slist_remove ((trace)->mem_live, mem); 		\
       
   244 } G_STMT_END
       
   245 
       
   246 #else
       
   247 #define	gst_alloc_trace_register(name) (NULL)
       
   248 #define	gst_alloc_trace_new(trace, mem)
       
   249 #define	gst_alloc_trace_free(trace, mem)
       
   250 #endif
       
   251 
       
   252 
       
   253 extern gint _gst_trace_on;
       
   254 /**
       
   255  * gst_trace_add_entry:
       
   256  * @trace: a #GstTrace
       
   257  * @seq: a sequence number
       
   258  * @data: the data to trace
       
   259  * @msg: the trace message
       
   260  *
       
   261  * Add an entry to @trace with sequence number @seq, @data and @msg.
       
   262  * If @trace is NULL, the entry will be added to the default #GstTrace.
       
   263  */
       
   264 #define gst_trace_add_entry(trace,seq,data,msg) \
       
   265   if (_gst_trace_on) { \
       
   266     _gst_trace_add_entry(trace,(guint32)seq,(guint32)data,msg); \
       
   267   }
       
   268 
       
   269 #else /* GST_DISABLE_TRACE */
       
   270 
       
   271 #if defined _GNUC_ && _GNUC_ >= 3
       
   272 #pragma GCC poison 	gst_trace_new
       
   273 #pragma GCC poison	gst_trace_destroy
       
   274 #pragma GCC poison 	gst_trace_flush
       
   275 #pragma GCC poison	gst_trace_text_flush
       
   276 #pragma GCC poison 	gst_trace_get_size
       
   277 #pragma GCC poison 	gst_trace_get_offset
       
   278 #pragma GCC poison 	gst_trace_get_remaining
       
   279 #pragma GCC poison 	gst_trace_set_default
       
   280 #pragma GCC poison 	_gst_trace_add_entry
       
   281 #pragma GCC poison 	gst_trace_read_tsc
       
   282 #pragma GCC poison 	gst_trace_add_entry
       
   283 #endif
       
   284 
       
   285 #define		gst_alloc_trace_register(name)	(NULL)
       
   286 #define		gst_alloc_trace_new(trace, mem)
       
   287 #define		gst_alloc_trace_free(trace, mem)
       
   288 
       
   289 #define		gst_alloc_trace_available()	(FALSE)
       
   290 #define		gst_alloc_trace_list()		(NULL)
       
   291 #define		_gst_alloc_trace_register(name)	(NULL)
       
   292 
       
   293 #define		gst_alloc_trace_live_all()	(0)
       
   294 #define		gst_alloc_trace_print_all()
       
   295 #define		gst_alloc_trace_print_live()
       
   296 #define		gst_alloc_trace_set_flags_all(flags)
       
   297 
       
   298 #define		gst_alloc_trace_get(name)	(NULL)
       
   299 #define		gst_alloc_trace_print(trace)
       
   300 #define		gst_alloc_trace_set_flags(trace,flags)
       
   301 
       
   302 #define         gst_trace_add_entry(trace,seq,data,msg)
       
   303 
       
   304 #endif /* GST_DISABLE_TRACE */
       
   305 
       
   306 G_END_DECLS
       
   307 
       
   308 #endif /* __GST_TRACE_H__ */