gst/gsttracerutils.h

   1 /* GStreamer
   2  * Copyright (C) 2013 Stefan Sauer <ensonic@users.sf.net>
   3  *
   4  * gsttracerutils.h: tracing subsystem
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with this library; if not, write to the
  18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  */
  21
  22
  23 #ifndef __GST_TRACER_UTILS_H__
  24 #define __GST_TRACER_UTILS_H__
  25
  26 #include <glib.h>
  27 #include <glib-object.h>
  28 #include <gst/gstconfig.h>
  29 #include <gst/gstbin.h>
  30 #include <gst/gstutils.h>
  31
  32 G_BEGIN_DECLS
  33
  34 #ifndef GST_DISABLE_GST_TRACER_HOOKS
  35
  36 /* tracing hooks */
  37
  38 void _priv_gst_tracing_init (void);
  39 void _priv_gst_tracing_deinit (void);
  40
  41 /* tracer quarks */
  42
  43 /* These enums need to match the number and order
  44  * of strings declared in _quark_table, in gsttracerutils.c */
  45 typedef enum /*< skip >*/
  46 {
  47   GST_TRACER_QUARK_HOOK_PAD_PUSH_PRE = 0,
  48   GST_TRACER_QUARK_HOOK_PAD_PUSH_POST,
  49   GST_TRACER_QUARK_HOOK_PAD_PUSH_LIST_PRE,
  50   GST_TRACER_QUARK_HOOK_PAD_PUSH_LIST_POST,
  51   GST_TRACER_QUARK_HOOK_PAD_PULL_RANGE_PRE,
  52   GST_TRACER_QUARK_HOOK_PAD_PULL_RANGE_POST,
  53   GST_TRACER_QUARK_HOOK_PAD_PUSH_EVENT_PRE ,
  54   GST_TRACER_QUARK_HOOK_PAD_PUSH_EVENT_POST,
  55   GST_TRACER_QUARK_HOOK_PAD_QUERY_PRE ,
  56   GST_TRACER_QUARK_HOOK_PAD_QUERY_POST,
  57   GST_TRACER_QUARK_HOOK_ELEMENT_POST_MESSAGE_PRE,
  58   GST_TRACER_QUARK_HOOK_ELEMENT_POST_MESSAGE_POST,
  59   GST_TRACER_QUARK_HOOK_ELEMENT_QUERY_PRE,
  60   GST_TRACER_QUARK_HOOK_ELEMENT_QUERY_POST,
  61   GST_TRACER_QUARK_HOOK_ELEMENT_NEW,
  62   GST_TRACER_QUARK_HOOK_ELEMENT_ADD_PAD,
  63   GST_TRACER_QUARK_HOOK_ELEMENT_REMOVE_PAD,
  64   GST_TRACER_QUARK_HOOK_BIN_ADD_PRE,
  65   GST_TRACER_QUARK_HOOK_BIN_ADD_POST,
  66   GST_TRACER_QUARK_HOOK_BIN_REMOVE_PRE,
  67   GST_TRACER_QUARK_HOOK_BIN_REMOVE_POST,
  68   GST_TRACER_QUARK_HOOK_PAD_LINK_PRE,
  69   GST_TRACER_QUARK_HOOK_PAD_LINK_POST,
  70   GST_TRACER_QUARK_HOOK_PAD_UNLINK_PRE,
  71   GST_TRACER_QUARK_HOOK_PAD_UNLINK_POST,
  72   GST_TRACER_QUARK_HOOK_ELEMENT_CHANGE_STATE_PRE,
  73   GST_TRACER_QUARK_HOOK_ELEMENT_CHANGE_STATE_POST,
  74   GST_TRACER_QUARK_HOOK_MINI_OBJECT_CREATED,
  75   GST_TRACER_QUARK_HOOK_MINI_OBJECT_DESTROYED,
  76   GST_TRACER_QUARK_HOOK_OBJECT_CREATED,
  77   GST_TRACER_QUARK_HOOK_OBJECT_DESTROYED,
  78   GST_TRACER_QUARK_HOOK_MINI_OBJECT_REFFED,
  79   GST_TRACER_QUARK_HOOK_MINI_OBJECT_UNREFFED,
  80   GST_TRACER_QUARK_HOOK_OBJECT_REFFED,
  81   GST_TRACER_QUARK_HOOK_OBJECT_UNREFFED,
  82   GST_TRACER_QUARK_HOOK_PLUGIN_FEATURE_LOADED,
  83   GST_TRACER_QUARK_MAX
  84 } GstTracerQuarkId;
  85
  86 extern GQuark _priv_gst_tracer_quark_table[GST_TRACER_QUARK_MAX];
  87
  88 #define GST_TRACER_QUARK(q) _priv_gst_tracer_quark_table[GST_TRACER_QUARK_##q]
  89
  90 /* tracing module helpers */
  91
  92 typedef struct {
  93   GObject *tracer;
  94   GCallback func;
  95 } GstTracerHook;
  96
  97 extern gboolean _priv_tracer_enabled;
  98 /* key are hook-id quarks, values are GstTracerHook */
  99 extern GHashTable *_priv_tracers;
 100
 101 #define GST_TRACER_IS_ENABLED (_priv_tracer_enabled)
 102
 103 #define GST_TRACER_TS \
 104   GST_CLOCK_DIFF (_priv_gst_start_time, gst_util_get_timestamp ())
 105
 106 /* tracing hooks */
 107
 108 #define GST_TRACER_ARGS h->tracer, ts
 109 #define GST_TRACER_DISPATCH(key,type,args) G_STMT_START{ \
 110   if (GST_TRACER_IS_ENABLED) {                                         \
 111     GstClockTime ts = GST_TRACER_TS;                                   \
 112     GList *__l, *__n;                                                  \
 113     GstTracerHook *h;                                                  \
 114     __l = g_hash_table_lookup (_priv_tracers, GINT_TO_POINTER (key));  \
 115     for (__n = __l; __n; __n = g_list_next (__n)) {                    \
 116       h = (GstTracerHook *) __n->data;                                 \
 117       ((type)(h->func)) args;                                          \
 118     }                                                                  \
 119     __l = g_hash_table_lookup (_priv_tracers, NULL);                   \
 120     for (__n = __l; __n; __n = g_list_next (__n)) {                    \
 121       h = (GstTracerHook *) __n->data;                                 \
 122       ((type)(h->func)) args;                                          \
 123     }                                                                  \
 124   }                                                                    \
 125 }G_STMT_END
 126
 127 /**
 128  * GstTracerHookPadPushPre:
 129  * @self: the tracer instance
 130  * @ts: the current timestamp
 131  * @pad: the pad
 132  * @buffer: the buffer
 133  *
 134  * Pre-hook for gst_pad_push() named "pad-push-pre".
 135  */
 136 typedef void (*GstTracerHookPadPushPre) (GObject *self, GstClockTime ts,
 137     GstPad *pad, GstBuffer *buffer);
 138 #define GST_TRACER_PAD_PUSH_PRE(pad, buffer) G_STMT_START{ \
 139   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_PRE), \
 140     GstTracerHookPadPushPre, (GST_TRACER_ARGS, pad, buffer)); \
 141 }G_STMT_END
 142
 143 /**
 144  * GstTracerHookPadPushPost:
 145  * @self: the tracer instance
 146  * @ts: the current timestamp
 147  * @pad: the pad
 148  * @res: the result of gst_pad_push()
 149  *
 150  * Post-hook for gst_pad_push() named "pad-push-post".
 151  */
 152 typedef void (*GstTracerHookPadPushPost) (GObject * self, GstClockTime ts,
 153     GstPad *pad, GstFlowReturn res);
 154 #define GST_TRACER_PAD_PUSH_POST(pad, res) G_STMT_START{ \
 155   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_POST), \
 156     GstTracerHookPadPushPost, (GST_TRACER_ARGS, pad, res)); \
 157 }G_STMT_END
 158
 159 /**
 160  * GstTracerHookPadPushListPre:
 161  * @self: the tracer instance
 162  * @ts: the current timestamp
 163  * @pad: the pad
 164  * @list: the buffer-list
 165  *
 166  * Pre-hook for gst_pad_push_list() named "pad-push-list-pre".
 167  */
 168 typedef void (*GstTracerHookPadPushListPre) (GObject *self, GstClockTime ts,
 169     GstPad *pad, GstBufferList *list);
 170 #define GST_TRACER_PAD_PUSH_LIST_PRE(pad, list) G_STMT_START{ \
 171   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_LIST_PRE), \
 172     GstTracerHookPadPushListPre, (GST_TRACER_ARGS, pad, list)); \
 173 }G_STMT_END
 174
 175 /**
 176  * GstTracerHookPadPushListPost:
 177  * @self: the tracer instance
 178  * @ts: the current timestamp
 179  * @pad: the pad
 180  * @res: the result of gst_pad_push_list()
 181  *
 182  * Post-hook for gst_pad_push_list() named "pad-push-list-post".
 183  */
 184 typedef void (*GstTracerHookPadPushListPost) (GObject *self, GstClockTime ts,
 185     GstPad *pad,
 186     GstFlowReturn res);
 187 #define GST_TRACER_PAD_PUSH_LIST_POST(pad, res) G_STMT_START{ \
 188   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_LIST_POST), \
 189     GstTracerHookPadPushListPost, (GST_TRACER_ARGS, pad, res)); \
 190 }G_STMT_END
 191
 192 /**
 193  * GstTracerHookPadPullRangePre:
 194  * @self: the tracer instance
 195  * @ts: the current timestamp
 196  * @pad: the pad
 197  * @offset: the stream offset
 198  * @size: the requested size
 199  *
 200  * Pre-hook for gst_pad_pull_range() named "pad-pull-range-pre".
 201  */
 202 typedef void (*GstTracerHookPadPullRangePre) (GObject *self, GstClockTime ts,
 203     GstPad *pad, guint64 offset, guint size);
 204 #define GST_TRACER_PAD_PULL_RANGE_PRE(pad, offset, size) G_STMT_START{ \
 205   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PULL_RANGE_PRE), \
 206     GstTracerHookPadPullRangePre, (GST_TRACER_ARGS, pad, offset, size)); \
 207 }G_STMT_END
 208
 209 /**
 210  * GstTracerHookPadPullRangePost:
 211  * @self: the tracer instance
 212  * @ts: the current timestamp
 213  * @pad: the pad
 214  * @buffer: the buffer
 215  * @res: the result of gst_pad_pull_range()
 216  *
 217  * Post-hook for gst_pad_pull_range() named "pad-pull-range-post".
 218  */
 219 typedef void (*GstTracerHookPadPullRangePost) (GObject *self, GstClockTime ts,
 220     GstPad *pad, GstBuffer *buffer, GstFlowReturn res);
 221 #define GST_TRACER_PAD_PULL_RANGE_POST(pad, buffer, res) G_STMT_START{ \
 222   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PULL_RANGE_POST), \
 223     GstTracerHookPadPullRangePost, (GST_TRACER_ARGS, pad, buffer, res)); \
 224 }G_STMT_END
 225
 226 /**
 227  * GstTracerHookPadPushEventPre:
 228  * @self: the tracer instance
 229  * @ts: the current timestamp
 230  * @pad: the pad
 231  * @event: the event
 232  *
 233  * Pre-hook for gst_pad_push_event() named "pad-push-event-pre".
 234  */
 235 typedef void (*GstTracerHookPadPushEventPre) (GObject *self, GstClockTime ts,
 236     GstPad *pad, GstEvent *event);
 237 #define GST_TRACER_PAD_PUSH_EVENT_PRE(pad, event) G_STMT_START{ \
 238   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_EVENT_PRE), \
 239     GstTracerHookPadPushEventPre, (GST_TRACER_ARGS, pad, event)); \
 240 }G_STMT_END
 241
 242 /**
 243  * GstTracerHookPadPushEventPost:
 244  * @self: the tracer instance
 245  * @ts: the current timestamp
 246  * @pad: the pad
 247  * @res: the result of gst_pad_push_event()
 248  *
 249  * Post-hook for gst_pad_push_event() named "pad-push-event-post".
 250  */
 251 typedef void (*GstTracerHookPadPushEventPost) (GObject *self, GstClockTime ts,
 252     GstPad *pad, gboolean res);
 253 #define GST_TRACER_PAD_PUSH_EVENT_POST(pad, res) G_STMT_START{ \
 254   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_EVENT_POST), \
 255     GstTracerHookPadPushEventPost, (GST_TRACER_ARGS, pad, res)); \
 256 }G_STMT_END
 257
 258 /**
 259  * GstTracerHookPadQueryPre:
 260  * @self: the tracer instance
 261  * @ts: the current timestamp
 262  * @pad: the pad
 263  * @query: the query
 264  *
 265  * Pre-hook for gst_pad_query() named "pad-query-pre".
 266  */
 267 typedef void (*GstTracerHookPadQueryPre) (GObject *self, GstClockTime ts,
 268     GstPad *pad, GstQuery *query);
 269 #define GST_TRACER_PAD_QUERY_PRE(pad, query) G_STMT_START{ \
 270   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_QUERY_PRE), \
 271     GstTracerHookPadQueryPre, (GST_TRACER_ARGS, pad, query)); \
 272 }G_STMT_END
 273
 274 /**
 275  * GstTracerHookPadQueryPost:
 276  * @self: the tracer instance
 277  * @ts: the current timestamp
 278  * @pad: the pad
 279  * @query: the query
 280  * @res: the result of gst_pad_query()
 281  *
 282  * Post-hook for gst_pad_query() named "pad-query-post".
 283  */
 284 typedef void (*GstTracerHookPadQueryPost) (GObject *self, GstClockTime ts,
 285     GstPad *pad, GstQuery *query, gboolean res);
 286 #define GST_TRACER_PAD_QUERY_POST(pad, query, res) G_STMT_START{ \
 287   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_QUERY_POST), \
 288     GstTracerHookPadQueryPost, (GST_TRACER_ARGS, pad, query, res)); \
 289 }G_STMT_END
 290
 291 /**
 292  * GstTracerHookElementPostMessagePre:
 293  * @self: the tracer instance
 294  * @ts: the current timestamp
 295  * @element: the element
 296  * @message: the message
 297  *
 298  * Pre-hook for gst_element_post_message() named "element-post-message-pre".
 299  */
 300 typedef void (*GstTracerHookElementPostMessagePre) (GObject *self,
 301     GstClockTime ts, GstElement *element, GstMessage *message);
 302 #define GST_TRACER_ELEMENT_POST_MESSAGE_PRE(element, message) G_STMT_START{ \
 303   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_POST_MESSAGE_PRE), \
 304     GstTracerHookElementPostMessagePre, (GST_TRACER_ARGS, element, message)); \
 305 }G_STMT_END
 306
 307 /**
 308  * GstTracerHookElementPostMessagePost:
 309  * @self: the tracer instance
 310  * @ts: the current timestamp
 311  * @element: the element
 312  * @res: the result of gst_element_post_message()
 313  *
 314  * Pre-hook for gst_element_post_message() named "element-post-message-post".
 315  */
 316 typedef void (*GstTracerHookElementPostMessagePost) (GObject *self,
 317     GstClockTime ts, GstElement *element, gboolean res);
 318 #define GST_TRACER_ELEMENT_POST_MESSAGE_POST(element, res) G_STMT_START{ \
 319   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_POST_MESSAGE_POST), \
 320     GstTracerHookElementPostMessagePost, (GST_TRACER_ARGS, element, res)); \
 321 }G_STMT_END
 322
 323 /**
 324  * GstTracerHookElementQueryPre:
 325  * @self: the tracer instance
 326  * @ts: the current timestamp
 327  * @element: the element
 328  * @query: the query
 329  *
 330  * Pre-hook for gst_element_query() named "element-query-pre".
 331  */
 332 typedef void (*GstTracerHookElementQueryPre) (GObject *self, GstClockTime ts,
 333     GstElement *element, GstQuery *query);
 334 #define GST_TRACER_ELEMENT_QUERY_PRE(element, query) G_STMT_START{ \
 335   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_QUERY_PRE), \
 336     GstTracerHookElementQueryPre, (GST_TRACER_ARGS, element, query)); \
 337 }G_STMT_END
 338
 339 /**
 340  * GstTracerHookElementQueryPost:
 341  * @self: the tracer instance
 342  * @ts: the current timestamp
 343  * @element: the element
 344  * @query: the query
 345  * @res: the result of gst_element_query()
 346  *
 347  * Post-hook for gst_element_query() named "element-query-post".
 348  */
 349 typedef void (*GstTracerHookElementQueryPost) (GObject *self, GstClockTime ts,
 350     GstElement *element, GstQuery *query, gboolean res);
 351 #define GST_TRACER_ELEMENT_QUERY_POST(element, query, res) G_STMT_START{ \
 352   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_QUERY_POST), \
 353     GstTracerHookElementQueryPost, (GST_TRACER_ARGS, element, query, res)); \
 354 }G_STMT_END
 355
 356 /**
 357  * GstTracerHookElementNew:
 358  * @self: the tracer instance
 359  * @ts: the current timestamp
 360  * @element: the element
 361  *
 362  * Hook for whenever a new element is created, named "element-new".
 363  */
 364 typedef void (*GstTracerHookElementNew) (GObject *self, GstClockTime ts,
 365     GstElement *element);
 366 #define GST_TRACER_ELEMENT_NEW(element) G_STMT_START{ \
 367   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_NEW), \
 368     GstTracerHookElementNew, (GST_TRACER_ARGS, element)); \
 369 }G_STMT_END
 370
 371 /**
 372  * GstTracerHookElementAddPad:
 373  * @self: the tracer instance
 374  * @ts: the current timestamp
 375  * @element: the element
 376  * @pad: the pad
 377  *
 378  * Hook for gst_element_add_pad() named "element-add-pad".
 379  */
 380 typedef void (*GstTracerHookElementAddPad) (GObject *self, GstClockTime ts,
 381     GstElement *element, GstPad *pad);
 382 #define GST_TRACER_ELEMENT_ADD_PAD(element, pad) G_STMT_START{ \
 383   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_ADD_PAD), \
 384     GstTracerHookElementAddPad, (GST_TRACER_ARGS, element, pad)); \
 385 }G_STMT_END
 386
 387 /**
 388  * GstTracerHookElementRemovePad:
 389  * @self: the tracer instance
 390  * @ts: the current timestamp
 391  * @element: the element
 392  * @pad: the pad
 393  *
 394  * Hook for gst_element_remove_pad() named "element-remove-pad".
 395  */
 396 typedef void (*GstTracerHookElementRemovePad) (GObject *self, GstClockTime ts,
 397     GstElement *element, GstPad *pad);
 398 #define GST_TRACER_ELEMENT_REMOVE_PAD(element, pad) G_STMT_START{ \
 399   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_REMOVE_PAD), \
 400     GstTracerHookElementRemovePad, (GST_TRACER_ARGS, element, pad)); \
 401 }G_STMT_END
 402
 403 /**
 404  * GstTracerHookElementChangeStatePre:
 405  * @self: the tracer instance
 406  * @ts: the current timestamp
 407  * @element: the element
 408  * @transition: the transition
 409  *
 410  * Pre-hook for gst_element_change_state() named "element-change-state-pre".
 411  */
 412 typedef void (*GstTracerHookElementChangeStatePre) (GObject *self,
 413     GstClockTime ts, GstElement *element, GstStateChange transition);
 414 #define GST_TRACER_ELEMENT_CHANGE_STATE_PRE(element, transition) G_STMT_START{ \
 415   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_CHANGE_STATE_PRE), \
 416     GstTracerHookElementChangeStatePre, (GST_TRACER_ARGS, element, transition)); \
 417 }G_STMT_END
 418
 419 /**
 420  * GstTracerHookElementChangeStatePost:
 421  * @self: the tracer instance
 422  * @ts: the current timestamp
 423  * @element: the element
 424  * @transition: the transition
 425  * @result: the result of gst_pad_push()
 426  *
 427  * Post-hook for gst_element_change_state() named "element-change-state-post".
 428  */
 429 typedef void (*GstTracerHookElementChangeStatePost) (GObject *self,
 430     GstClockTime ts, GstElement *element, GstStateChange transition,
 431     GstStateChangeReturn result);
 432 #define GST_TRACER_ELEMENT_CHANGE_STATE_POST(element, transition, result) G_STMT_START{ \
 433   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_CHANGE_STATE_POST), \
 434     GstTracerHookElementChangeStatePost, (GST_TRACER_ARGS, element, transition, result)); \
 435 }G_STMT_END
 436
 437 /**
 438  * GstTracerHookBinAddPre:
 439  * @self: the tracer instance
 440  * @ts: the current timestamp
 441  * @bin: the bin
 442  * @element: the element
 443  *
 444  * Pre-hook for gst_bin_add() named "bin-add-pre".
 445  */
 446 typedef void (*GstTracerHookBinAddPre) (GObject *self, GstClockTime ts,
 447     GstBin *bin, GstElement *element);
 448 #define GST_TRACER_BIN_ADD_PRE(bin, element) G_STMT_START{ \
 449   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_ADD_PRE), \
 450     GstTracerHookBinAddPre, (GST_TRACER_ARGS, bin, element)); \
 451 }G_STMT_END
 452
 453 /**
 454  * GstTracerHookBinAddPost:
 455  * @self: the tracer instance
 456  * @ts: the current timestamp
 457  * @bin: the bin
 458  * @element: the element
 459  * @result: the result of gst_bin_add()
 460  *
 461  * Post-hook for gst_bin_add() named "bin-add-post".
 462  */
 463 typedef void (*GstTracerHookBinAddPost) (GObject *self, GstClockTime ts,
 464     GstBin *bin, GstElement *element, gboolean result);
 465 #define GST_TRACER_BIN_ADD_POST(bin, element, result) G_STMT_START{ \
 466   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_ADD_POST), \
 467     GstTracerHookBinAddPost, (GST_TRACER_ARGS, bin, element, result)); \
 468 }G_STMT_END
 469
 470 /**
 471  * GstTracerHookBinRemovePre:
 472  * @self: the tracer instance
 473  * @ts: the current timestamp
 474  * @bin: the bin
 475  * @element: the element
 476  *
 477  * Pre-hook for gst_bin_remove() named "bin-remove-pre".
 478  */
 479 typedef void (*GstTracerHookBinRemovePre) (GObject *self, GstClockTime ts,
 480     GstBin *bin, GstElement *element);
 481 #define GST_TRACER_BIN_REMOVE_PRE(bin, element) G_STMT_START{ \
 482   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_REMOVE_PRE), \
 483     GstTracerHookBinRemovePre, (GST_TRACER_ARGS, bin, element)); \
 484 }G_STMT_END
 485
 486 /**
 487  * GstTracerHookBinRemovePost:
 488  * @self: the tracer instance
 489  * @ts: the current timestamp
 490  * @bin: the bin
 491  * @result: the result of gst_bin_remove()
 492  *
 493  * Post-hook for gst_bin_remove() named "bin-remove-post".
 494  */
 495 typedef void (*GstTracerHookBinRemovePost) (GObject *self, GstClockTime ts,
 496     GstBin *bin, gboolean result);
 497 #define GST_TRACER_BIN_REMOVE_POST(bin, result) G_STMT_START{ \
 498   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_REMOVE_POST), \
 499     GstTracerHookBinRemovePost, (GST_TRACER_ARGS, bin, result)); \
 500 }G_STMT_END
 501
 502 /**
 503  * GstTracerHookPadLinkPre:
 504  * @self: the tracer instance
 505  * @ts: the current timestamp
 506  * @srcpad: the srcpad
 507  * @sinkpad: the sinkpad
 508  *
 509  * Pre-hook for gst_pad_link() named "pad-link-pre".
 510  */
 511 typedef void (*GstTracerHookPadLinkPre) (GObject *self, GstClockTime ts,
 512     GstPad *srcpad, GstPad *sinkpad);
 513 #define GST_TRACER_PAD_LINK_PRE(srcpad, sinkpad) G_STMT_START{ \
 514   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_LINK_PRE), \
 515     GstTracerHookPadLinkPre, (GST_TRACER_ARGS, srcpad, sinkpad)); \
 516 }G_STMT_END
 517
 518 /**
 519  * GstTracerHookPadLinkPost:
 520  * @self: the tracer instance
 521  * @ts: the current timestamp
 522  * @srcpad: the srcpad
 523  * @sinkpad: the sinkpad
 524  * @result: the result of gst_pad_link()
 525  *
 526  * Post-hook for gst_pad_link() named "pad-link-post".
 527  */
 528 typedef void (*GstTracerHookPadLinkPost) (GObject *self, GstClockTime ts,
 529     GstPad *srcpad, GstPad *sinkpad, GstPadLinkReturn result);
 530 #define GST_TRACER_PAD_LINK_POST(srcpad, sinkpad, result) G_STMT_START{ \
 531   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_LINK_POST), \
 532     GstTracerHookPadLinkPost, (GST_TRACER_ARGS, srcpad, sinkpad, result)); \
 533 }G_STMT_END
 534
 535 /**
 536  * GstTracerHookPadUnlinkPre:
 537  * @self: the tracer instance
 538  * @ts: the current timestamp
 539  * @srcpad: the srcpad
 540  * @sinkpad: the sinkpad
 541  *
 542  * Pre-hook for gst_pad_unlink() named "pad-unlink-pre".
 543  */
 544 typedef void (*GstTracerHookPadUnlinkPre) (GObject *self, GstClockTime ts,
 545     GstPad *srcpad, GstPad *sinkpad);
 546 #define GST_TRACER_PAD_UNLINK_PRE(srcpad, sinkpad) G_STMT_START{ \
 547   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_UNLINK_PRE), \
 548     GstTracerHookPadUnlinkPre, (GST_TRACER_ARGS, srcpad, sinkpad)); \
 549 }G_STMT_END
 550
 551 /**
 552  * GstTracerHookPadUnlinkPost:
 553  * @self: the tracer instance
 554  * @ts: the current timestamp
 555  * @srcpad: the srcpad
 556  * @sinkpad: the sinkpad
 557  * @result: the result of gst_pad_push()
 558  *
 559  * Post-hook for gst_pad_unlink() named "pad-unlink-post".
 560  */
 561 typedef void (*GstTracerHookPadUnlinkPost) (GObject *self, GstClockTime ts,
 562     GstPad *srcpad, GstPad *sinkpad, gboolean result);
 563 #define GST_TRACER_PAD_UNLINK_POST(srcpad, sinkpad, result) G_STMT_START{ \
 564   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_UNLINK_POST), \
 565     GstTracerHookPadUnlinkPost, (GST_TRACER_ARGS, srcpad, sinkpad, result)); \
 566 }G_STMT_END
 567
 568 /**
 569  * GstTracerHookMiniObjectCreated:
 570  * @self: the tracer instance
 571  * @ts: the current timestamp
 572  * @object: the mini object being created
 573  *
 574  * Hook called when a #GstMiniObject is created named "mini-object-created".
 575  */
 576 typedef void (*GstTracerHookMiniObjectCreated) (GObject *self, GstClockTime ts,
 577     GstMiniObject *object);
 578 #define GST_TRACER_MINI_OBJECT_CREATED(object) G_STMT_START{ \
 579   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_MINI_OBJECT_CREATED), \
 580     GstTracerHookMiniObjectCreated, (GST_TRACER_ARGS, object)); \
 581 }G_STMT_END
 582
 583 /**
 584  * GstTracerHookMiniObjectDestroyed:
 585  * @self: the tracer instance
 586  * @ts: the current timestamp
 587  * @object: the mini object being destroyed
 588  *
 589  * Hook called when a #GstMiniObject is being destroyed named
 590  * "mini-object-destroyed".
 591  */
 592 typedef void (*GstTracerHookMiniObjectDestroyed) (GObject *self, GstClockTime ts,
 593     GstMiniObject *object);
 594 #define GST_TRACER_MINI_OBJECT_DESTROYED(object) G_STMT_START{ \
 595   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_MINI_OBJECT_DESTROYED), \
 596     GstTracerHookMiniObjectDestroyed, (GST_TRACER_ARGS, object)); \
 597 }G_STMT_END
 598
 599 /**
 600  * GstTracerHookObjectUnreffed:
 601  * @self: the tracer instance
 602  * @ts: the current timestamp
 603  * @object: the object being unreffed
 604  * @new_refcount: the new refcount after unrefing @object
 605  *
 606  * Hook called when a #GstObject is being unreffed named
 607  * "object-unreffed"
 608  */
 609 typedef void (*GstTracerHookObjectUnreffed) (GObject *self, GstClockTime ts,
 610     GstObject *object, gint new_refcount);
 611 #define GST_TRACER_OBJECT_UNREFFED(object, new_refcount) G_STMT_START{ \
 612   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_OBJECT_UNREFFED), \
 613     GstTracerHookObjectUnreffed, (GST_TRACER_ARGS, object, new_refcount)); \
 614 }G_STMT_END
 615
 616 /**
 617  * GstTracerHookObjectReffed:
 618  * @self: the tracer instance
 619  * @ts: the current timestamp
 620  * @object: the object being reffed
 621  * @new_refcount: the new refcount after refing @object
 622  *
 623  * Hook called when a #GstObject is being reffed named
 624  * "object-reffed".
 625  */
 626 typedef void (*GstTracerHookObjectReffed) (GObject *self, GstClockTime ts,
 627     GstObject *object, gint new_refcount);
 628 #define GST_TRACER_OBJECT_REFFED(object, new_refcount) G_STMT_START{ \
 629   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_OBJECT_REFFED), \
 630     GstTracerHookObjectReffed, (GST_TRACER_ARGS, object, new_refcount)); \
 631 }G_STMT_END
 632
 633 /**
 634  * GstTracerHookMiniObjectUnreffed:
 635  * @self: the tracer instance
 636  * @ts: the current timestamp
 637  * @object: the mini object being unreffed
 638  * @new_refcount: the new refcount after unrefing @object
 639  *
 640  * Hook called when a #GstMiniObject is being unreffed named
 641  * "mini-object-unreffed".
 642  */
 643 typedef void (*GstTracerHookMiniObjectUnreffed) (GObject *self, GstClockTime ts,
 644     GstMiniObject *object, gint new_refcount);
 645 #define GST_TRACER_MINI_OBJECT_UNREFFED(object, new_refcount) G_STMT_START{ \
 646   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_MINI_OBJECT_UNREFFED), \
 647     GstTracerHookMiniObjectUnreffed, (GST_TRACER_ARGS, object, new_refcount)); \
 648 }G_STMT_END
 649
 650 /**
 651  * GstTracerHookMiniObjectReffed:
 652  * @self: the tracer instance
 653  * @ts: the current timestamp
 654  * @object: the mini object being reffed
 655  * @new_refcount: the new refcount after refing @object
 656  *
 657  * Hook called when a #GstMiniObject is being reffed named
 658  * "mini-object-reffed".
 659  */
 660 typedef void (*GstTracerHookMiniObjectReffed) (GObject *self, GstClockTime ts,
 661     GstMiniObject *object, gint new_refcount);
 662 #define GST_TRACER_MINI_OBJECT_REFFED(object, new_refcount) G_STMT_START{ \
 663   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_MINI_OBJECT_REFFED), \
 664     GstTracerHookMiniObjectReffed, (GST_TRACER_ARGS, object, new_refcount)); \
 665 }G_STMT_END
 666
 667 /**
 668  * GstTracerHookObjectCreated:
 669  * @self: the tracer instance
 670  * @ts: the current timestamp
 671  * @object: the object being created
 672  *
 673  * Hook called when a #GstObject is created named "object-created".
 674  */
 675 typedef void (*GstTracerHookObjectCreated) (GObject *self, GstClockTime ts,
 676     GstObject *object);
 677 #define GST_TRACER_OBJECT_CREATED(object) G_STMT_START{ \
 678   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_OBJECT_CREATED), \
 679     GstTracerHookObjectCreated, (GST_TRACER_ARGS, object)); \
 680 }G_STMT_END
 681
 682 /**
 683  * GstTracerHookObjectDestroyed:
 684  * @self: the tracer instance
 685  * @ts: the current timestamp
 686  * @object: the object being destroyed
 687  *
 688  * Hook called when a #GstObject is being destroyed named
 689  * "object-destroyed".
 690  */
 691 typedef void (*GstTracerHookObjectDestroyed) (GObject *self, GstClockTime ts,
 692     GstObject *object);
 693
 694 #define GST_TRACER_OBJECT_DESTROYED(object) G_STMT_START{ \
 695   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_OBJECT_DESTROYED), \
 696     GstTracerHookObjectDestroyed, (GST_TRACER_ARGS, object)); \
 697 }G_STMT_END
 698
 699 /**
 700  * GstTracerHookPluginFeatureLoaded:
 701  * @self: the tracer instance
 702  * @ts: the current timestamp
 703  * @feature: the plugin feature that was loaded
 704  *
 705  * Hook called when a GstPluginFeature is loaded named
 706  * "plugin-feature-loaded".
 707  *
 708  * Since: 1.20
 709  */
 710 typedef void (*GstTracerHookPluginFeatureLoaded) (GObject *self, GstClockTime ts,
 711     GstPluginFeature *feature);
 712 /**
 713  * GST_TRACER_PLUGIN_FEATURE_LOADED:
 714  * @feature: The feature that this tracer is called for
 715  *
 716  * Add a tracepoint when a plugin feature is loaded.
 717  *
 718  * Since: 1.20
 719  */
 720 #define GST_TRACER_PLUGIN_FEATURE_LOADED(feature) G_STMT_START{ \
 721   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PLUGIN_FEATURE_LOADED), \
 722     GstTracerHookPluginFeatureLoaded, (GST_TRACER_ARGS, feature)); \
 723 }G_STMT_END
 724
 725
 726 #else /* !GST_DISABLE_GST_TRACER_HOOKS */
 727
 728 static inline void
 729 _priv_gst_tracing_init (void)
 730 {
 731   GST_DEBUG ("Tracing hooks are disabled");
 732 }
 733
 734 static inline void
 735 _priv_gst_tracing_deinit (void)
 736 {
 737 }
 738
 739 #define GST_TRACER_PAD_PUSH_PRE(pad, buffer)
 740 #define GST_TRACER_PAD_PUSH_POST(pad, res)
 741 #define GST_TRACER_PAD_PUSH_LIST_PRE(pad, list)
 742 #define GST_TRACER_PAD_PUSH_LIST_POST(pad, res)
 743 #define GST_TRACER_PAD_PULL_RANGE_PRE(pad, offset, size)
 744 #define GST_TRACER_PAD_PULL_RANGE_POST(pad, buffer, res)
 745 #define GST_TRACER_PAD_PUSH_EVENT_PRE(pad, event)
 746 #define GST_TRACER_PAD_PUSH_EVENT_POST(pad, res)
 747 #define GST_TRACER_PAD_QUERY_PRE(pad, query)
 748 #define GST_TRACER_PAD_QUERY_POST(pad, query, res)
 749 #define GST_TRACER_ELEMENT_POST_MESSAGE_PRE(element, message)
 750 #define GST_TRACER_ELEMENT_POST_MESSAGE_POST(element, res)
 751 #define GST_TRACER_ELEMENT_QUERY_PRE(element, query)
 752 #define GST_TRACER_ELEMENT_QUERY_POST(element, query, res)
 753 #define GST_TRACER_ELEMENT_NEW(element)
 754 #define GST_TRACER_ELEMENT_ADD_PAD(element, pad)
 755 #define GST_TRACER_ELEMENT_REMOVE_PAD(element, pad)
 756 #define GST_TRACER_ELEMENT_CHANGE_STATE_PRE(element, transition)
 757 #define GST_TRACER_ELEMENT_CHANGE_STATE_POST(element, transition, res)
 758 #define GST_TRACER_BIN_ADD_PRE(bin, element)
 759 #define GST_TRACER_BIN_ADD_POST(bin, element, res)
 760 #define GST_TRACER_BIN_REMOVE_PRE(bin, element)
 761 #define GST_TRACER_BIN_REMOVE_POST(bin, res)
 762 #define GST_TRACER_PAD_LINK_PRE(srcpad, sinkpad)
 763 #define GST_TRACER_PAD_LINK_POST(srcpad, sinkpad, res)
 764 #define GST_TRACER_PAD_UNLINK_PRE(srcpad, sinkpad)
 765 #define GST_TRACER_PAD_UNLINK_POST(srcpad, sinkpad, res)
 766 #define GST_TRACER_MINI_OBJECT_CREATED(object)
 767 #define GST_TRACER_MINI_OBJECT_DESTROYED(object)
 768 #define GST_TRACER_MINI_OBJECT_REFFED(object, new_refcount)
 769 #define GST_TRACER_MINI_OBJECT_UNREFFED(object, new_refcount)
 770 #define GST_TRACER_OBJECT_CREATED(object)
 771 #define GST_TRACER_OBJECT_DESTROYED(object)
 772 #define GST_TRACER_OBJECT_REFFED(object, new_refcount)
 773 #define GST_TRACER_OBJECT_UNREFFED(object, new_refcount)
 774 #define GST_TRACER_PLUGIN_FEATURE_LOADED(feature)
 775
 776 #endif /* GST_DISABLE_GST_TRACER_HOOKS */
 777
 778 G_END_DECLS
 779
 780 #endif /* __GST_TRACER_UTILS_H__ */
 781