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_MAX
  79 } GstTracerQuarkId;
  80
  81 extern GQuark _priv_gst_tracer_quark_table[GST_TRACER_QUARK_MAX];
  82
  83 #define GST_TRACER_QUARK(q) _priv_gst_tracer_quark_table[GST_TRACER_QUARK_##q]
  84
  85 /* tracing module helpers */
  86
  87 typedef struct {
  88   GObject *tracer;
  89   GCallback func;
  90 } GstTracerHook;
  91
  92 extern gboolean _priv_tracer_enabled;
  93 /* key are hook-id quarks, values are GstTracerHook */
  94 extern GHashTable *_priv_tracers;
  95
  96 #define GST_TRACER_IS_ENABLED (_priv_tracer_enabled)
  97
  98 #define GST_TRACER_TS \
  99   GST_CLOCK_DIFF (_priv_gst_start_time, gst_util_get_timestamp ())
 100
 101 /* tracing hooks */
 102
 103 #define GST_TRACER_ARGS h->tracer, ts
 104 #define GST_TRACER_DISPATCH(key,type,args) G_STMT_START{ \
 105   if (GST_TRACER_IS_ENABLED) {                                         \
 106     GstClockTime ts = GST_TRACER_TS;                                   \
 107     GList *__l, *__n;                                                  \
 108     GstTracerHook *h;                                                  \
 109     __l = g_hash_table_lookup (_priv_tracers, GINT_TO_POINTER (key));  \
 110     for (__n = __l; __n; __n = g_list_next (__n)) {                    \
 111       h = (GstTracerHook *) __n->data;                                 \
 112       ((type)(h->func)) args;                                          \
 113     }                                                                  \
 114     __l = g_hash_table_lookup (_priv_tracers, NULL);                   \
 115     for (__n = __l; __n; __n = g_list_next (__n)) {                    \
 116       h = (GstTracerHook *) __n->data;                                 \
 117       ((type)(h->func)) args;                                          \
 118     }                                                                  \
 119   }                                                                    \
 120 }G_STMT_END
 121
 122 /**
 123  * GstTracerHookPadPushPre:
 124  * @self: the tracer instance
 125  * @ts: the current timestamp
 126  * @pad: the pad
 127  * @buffer: the buffer
 128  *
 129  * Pre-hook for gst_pad_push() named "pad-push-pre".
 130  */
 131 typedef void (*GstTracerHookPadPushPre) (GObject *self, GstClockTime ts,
 132     GstPad *pad, GstBuffer *buffer);
 133 #define GST_TRACER_PAD_PUSH_PRE(pad, buffer) G_STMT_START{ \
 134   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_PRE), \
 135     GstTracerHookPadPushPre, (GST_TRACER_ARGS, pad, buffer)); \
 136 }G_STMT_END
 137
 138 /**
 139  * GstTracerHookPadPushPost:
 140  * @self: the tracer instance
 141  * @ts: the current timestamp
 142  * @pad: the pad
 143  * @res: the result of gst_pad_push()
 144  *
 145  * Post-hook for gst_pad_push() named "pad-push-post".
 146  */
 147 typedef void (*GstTracerHookPadPushPost) (GObject * self, GstClockTime ts,
 148     GstPad *pad, GstFlowReturn res);
 149 #define GST_TRACER_PAD_PUSH_POST(pad, res) G_STMT_START{ \
 150   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_POST), \
 151     GstTracerHookPadPushPost, (GST_TRACER_ARGS, pad, res)); \
 152 }G_STMT_END
 153
 154 /**
 155  * GstTracerHookPadPushListPre:
 156  * @self: the tracer instance
 157  * @ts: the current timestamp
 158  * @pad: the pad
 159  * @list: the buffer-list
 160  *
 161  * Pre-hook for gst_pad_push_list() named "pad-push-list-pre".
 162  */
 163 typedef void (*GstTracerHookPadPushListPre) (GObject *self, GstClockTime ts,
 164     GstPad *pad, GstBufferList *list);
 165 #define GST_TRACER_PAD_PUSH_LIST_PRE(pad, list) G_STMT_START{ \
 166   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_LIST_PRE), \
 167     GstTracerHookPadPushListPre, (GST_TRACER_ARGS, pad, list)); \
 168 }G_STMT_END
 169
 170 /**
 171  * GstTracerHookPadPushListPost:
 172  * @self: the tracer instance
 173  * @ts: the current timestamp
 174  * @pad: the pad
 175  * @res: the result of gst_pad_push_list()
 176  *
 177  * Post-hook for gst_pad_push_list() named "pad-push-list-post".
 178  */
 179 typedef void (*GstTracerHookPadPushListPost) (GObject *self, GstClockTime ts,
 180     GstPad *pad,
 181     GstFlowReturn res);
 182 #define GST_TRACER_PAD_PUSH_LIST_POST(pad, res) G_STMT_START{ \
 183   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_LIST_POST), \
 184     GstTracerHookPadPushListPost, (GST_TRACER_ARGS, pad, res)); \
 185 }G_STMT_END
 186
 187 /**
 188  * GstTracerHookPadPullRangePre:
 189  * @self: the tracer instance
 190  * @ts: the current timestamp
 191  * @pad: the pad
 192  * @offset: the stream offset
 193  * @size: the requested size
 194  *
 195  * Pre-hook for gst_pad_pull_range() named "pad-pull-range-pre".
 196  */
 197 typedef void (*GstTracerHookPadPullRangePre) (GObject *self, GstClockTime ts,
 198     GstPad *pad, guint64 offset, guint size);
 199 #define GST_TRACER_PAD_PULL_RANGE_PRE(pad, offset, size) G_STMT_START{ \
 200   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PULL_RANGE_PRE), \
 201     GstTracerHookPadPullRangePre, (GST_TRACER_ARGS, pad, offset, size)); \
 202 }G_STMT_END
 203
 204 /**
 205  * GstTracerHookPadPullRangePost:
 206  * @self: the tracer instance
 207  * @ts: the current timestamp
 208  * @pad: the pad
 209  * @buffer: the buffer
 210  * @res: the result of gst_pad_pull_range()
 211  *
 212  * Post-hook for gst_pad_pull_range() named "pad-pull-range-post".
 213  */
 214 typedef void (*GstTracerHookPadPullRangePost) (GObject *self, GstClockTime ts,
 215     GstPad *pad, GstBuffer *buffer, GstFlowReturn res);
 216 #define GST_TRACER_PAD_PULL_RANGE_POST(pad, buffer, res) G_STMT_START{ \
 217   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PULL_RANGE_POST), \
 218     GstTracerHookPadPullRangePost, (GST_TRACER_ARGS, pad, buffer, res)); \
 219 }G_STMT_END
 220
 221 /**
 222  * GstTracerHookPadPushEventPre:
 223  * @self: the tracer instance
 224  * @ts: the current timestamp
 225  * @pad: the pad
 226  * @event: the event
 227  *
 228  * Pre-hook for gst_pad_push_event() named "pad-push-event-pre".
 229  */
 230 typedef void (*GstTracerHookPadPushEventPre) (GObject *self, GstClockTime ts,
 231     GstPad *pad, GstEvent *event);
 232 #define GST_TRACER_PAD_PUSH_EVENT_PRE(pad, event) G_STMT_START{ \
 233   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_EVENT_PRE), \
 234     GstTracerHookPadPushEventPre, (GST_TRACER_ARGS, pad, event)); \
 235 }G_STMT_END
 236
 237 /**
 238  * GstTracerHookPadPushEventPost:
 239  * @self: the tracer instance
 240  * @ts: the current timestamp
 241  * @pad: the pad
 242  * @res: the result of gst_pad_push_event()
 243  *
 244  * Post-hook for gst_pad_push_event() named "pad-push-event-post".
 245  */
 246 typedef void (*GstTracerHookPadPushEventPost) (GObject *self, GstClockTime ts,
 247     GstPad *pad, gboolean res);
 248 #define GST_TRACER_PAD_PUSH_EVENT_POST(pad, res) G_STMT_START{ \
 249   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_EVENT_POST), \
 250     GstTracerHookPadPushEventPost, (GST_TRACER_ARGS, pad, res)); \
 251 }G_STMT_END
 252
 253 /**
 254  * GstTracerHookPadQueryPre:
 255  * @self: the tracer instance
 256  * @ts: the current timestamp
 257  * @pad: the pad
 258  * @query: the query
 259  *
 260  * Pre-hook for gst_pad_query() named "pad-query-pre".
 261  */
 262 typedef void (*GstTracerHookPadQueryPre) (GObject *self, GstClockTime ts,
 263     GstPad *pad, GstQuery *query);
 264 #define GST_TRACER_PAD_QUERY_PRE(pad, query) G_STMT_START{ \
 265   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_QUERY_PRE), \
 266     GstTracerHookPadQueryPre, (GST_TRACER_ARGS, pad, query)); \
 267 }G_STMT_END
 268
 269 /**
 270  * GstTracerHookPadQueryPost:
 271  * @self: the tracer instance
 272  * @ts: the current timestamp
 273  * @pad: the pad
 274  * @query: the query
 275  * @res: the result of gst_pad_query()
 276  *
 277  * Post-hook for gst_pad_query() named "pad-query-post".
 278  */
 279 typedef void (*GstTracerHookPadQueryPost) (GObject *self, GstClockTime ts,
 280     GstPad *pad, GstQuery *query, gboolean res);
 281 #define GST_TRACER_PAD_QUERY_POST(pad, query, res) G_STMT_START{ \
 282   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_QUERY_POST), \
 283     GstTracerHookPadQueryPost, (GST_TRACER_ARGS, pad, query, res)); \
 284 }G_STMT_END
 285
 286 /**
 287  * GstTracerHookElementPostMessagePre:
 288  * @self: the tracer instance
 289  * @ts: the current timestamp
 290  * @element: the element
 291  * @message: the message
 292  *
 293  * Pre-hook for gst_element_post_message() named "element-post-message-pre".
 294  */
 295 typedef void (*GstTracerHookElementPostMessagePre) (GObject *self,
 296     GstClockTime ts, GstElement *element, GstMessage *message);
 297 #define GST_TRACER_ELEMENT_POST_MESSAGE_PRE(element, message) G_STMT_START{ \
 298   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_POST_MESSAGE_PRE), \
 299     GstTracerHookElementPostMessagePre, (GST_TRACER_ARGS, element, message)); \
 300 }G_STMT_END
 301
 302 /**
 303  * GstTracerHookElementPostMessagePost:
 304  * @self: the tracer instance
 305  * @ts: the current timestamp
 306  * @element: the element
 307  * @res: the result of gst_element_post_message()
 308  *
 309  * Pre-hook for gst_element_post_message() named "element-post-message-post".
 310  */
 311 typedef void (*GstTracerHookElementPostMessagePost) (GObject *self,
 312     GstClockTime ts, GstElement *element, gboolean res);
 313 #define GST_TRACER_ELEMENT_POST_MESSAGE_POST(element, res) G_STMT_START{ \
 314   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_POST_MESSAGE_POST), \
 315     GstTracerHookElementPostMessagePost, (GST_TRACER_ARGS, element, res)); \
 316 }G_STMT_END
 317
 318 /**
 319  * GstTracerHookElementQueryPre:
 320  * @self: the tracer instance
 321  * @ts: the current timestamp
 322  * @element: the element
 323  * @query: the query
 324  *
 325  * Pre-hook for gst_element_query() named "element-query-pre".
 326  */
 327 typedef void (*GstTracerHookElementQueryPre) (GObject *self, GstClockTime ts,
 328     GstElement *element, GstQuery *query);
 329 #define GST_TRACER_ELEMENT_QUERY_PRE(element, query) G_STMT_START{ \
 330   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_QUERY_PRE), \
 331     GstTracerHookElementQueryPre, (GST_TRACER_ARGS, element, query)); \
 332 }G_STMT_END
 333
 334 /**
 335  * GstTracerHookElementQueryPost:
 336  * @self: the tracer instance
 337  * @ts: the current timestamp
 338  * @element: the element
 339  * @query: the query
 340  * @res: the result of gst_element_query()
 341  *
 342  * Post-hook for gst_element_query() named "element-query-post".
 343  */
 344 typedef void (*GstTracerHookElementQueryPost) (GObject *self, GstClockTime ts,
 345     GstElement *element, GstQuery *query, gboolean res);
 346 #define GST_TRACER_ELEMENT_QUERY_POST(element, query, res) G_STMT_START{ \
 347   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_QUERY_POST), \
 348     GstTracerHookElementQueryPost, (GST_TRACER_ARGS, element, query, res)); \
 349 }G_STMT_END
 350
 351 /**
 352  * GstTracerHookElementNew:
 353  * @self: the tracer instance
 354  * @ts: the current timestamp
 355  * @element: the element
 356  *
 357  * Hook for gst_element_new() named "element-new".
 358  */
 359 typedef void (*GstTracerHookElementNew) (GObject *self, GstClockTime ts,
 360     GstElement *element);
 361 #define GST_TRACER_ELEMENT_NEW(element) G_STMT_START{ \
 362   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_NEW), \
 363     GstTracerHookElementNew, (GST_TRACER_ARGS, element)); \
 364 }G_STMT_END
 365
 366 /**
 367  * GstTracerHookElementAddPad:
 368  * @self: the tracer instance
 369  * @ts: the current timestamp
 370  * @element: the element
 371  * @pad: the pad
 372  *
 373  * Hook for gst_element_add_pad() named "element-add-pad".
 374  */
 375 typedef void (*GstTracerHookElementAddPad) (GObject *self, GstClockTime ts,
 376     GstElement *element, GstPad *pad);
 377 #define GST_TRACER_ELEMENT_ADD_PAD(element, pad) G_STMT_START{ \
 378   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_ADD_PAD), \
 379     GstTracerHookElementAddPad, (GST_TRACER_ARGS, element, pad)); \
 380 }G_STMT_END
 381
 382 /**
 383  * GstTracerHookElementRemovePad:
 384  * @self: the tracer instance
 385  * @ts: the current timestamp
 386  * @element: the element
 387  * @pad: the pad
 388  *
 389  * Hook for gst_element_remove_pad() named "element-remove-pad".
 390  */
 391 typedef void (*GstTracerHookElementRemovePad) (GObject *self, GstClockTime ts,
 392     GstElement *element, GstPad *pad);
 393 #define GST_TRACER_ELEMENT_REMOVE_PAD(element, pad) G_STMT_START{ \
 394   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_REMOVE_PAD), \
 395     GstTracerHookElementRemovePad, (GST_TRACER_ARGS, element, pad)); \
 396 }G_STMT_END
 397
 398 /**
 399  * GstTracerHookElementChangeStatePre:
 400  * @self: the tracer instance
 401  * @ts: the current timestamp
 402  * @element: the element
 403  * @transition: the transition
 404  *
 405  * Pre-hook for gst_element_change_state() named "element-change-state-pre".
 406  */
 407 typedef void (*GstTracerHookElementChangeStatePre) (GObject *self,
 408     GstClockTime ts, GstElement *element, GstStateChange transition);
 409 #define GST_TRACER_ELEMENT_CHANGE_STATE_PRE(element, transition) G_STMT_START{ \
 410   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_CHANGE_STATE_PRE), \
 411     GstTracerHookElementChangeStatePre, (GST_TRACER_ARGS, element, transition)); \
 412 }G_STMT_END
 413
 414 /**
 415  * GstTracerHookElementChangeStatePost:
 416  * @self: the tracer instance
 417  * @ts: the current timestamp
 418  * @element: the element
 419  * @transition: the transition
 420  * @result: the result of gst_pad_push()
 421  *
 422  * Post-hook for gst_element_change_state() named "element-change-state-post".
 423  */
 424 typedef void (*GstTracerHookElementChangeStatePost) (GObject *self,
 425     GstClockTime ts, GstElement *element, GstStateChange transition,
 426     GstStateChangeReturn result);
 427 #define GST_TRACER_ELEMENT_CHANGE_STATE_POST(element, transition, result) G_STMT_START{ \
 428   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_CHANGE_STATE_POST), \
 429     GstTracerHookElementChangeStatePost, (GST_TRACER_ARGS, element, transition, result)); \
 430 }G_STMT_END
 431
 432 /**
 433  * GstTracerHookBinAddPre:
 434  * @self: the tracer instance
 435  * @ts: the current timestamp
 436  * @bin: the bin
 437  * @element: the element
 438  *
 439  * Pre-hook for gst_bin_add() named "bin-add-pre".
 440  */
 441 typedef void (*GstTracerHookBinAddPre) (GObject *self, GstClockTime ts,
 442     GstBin *bin, GstElement *element);
 443 #define GST_TRACER_BIN_ADD_PRE(bin, element) G_STMT_START{ \
 444   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_ADD_PRE), \
 445     GstTracerHookBinAddPre, (GST_TRACER_ARGS, bin, element)); \
 446 }G_STMT_END
 447
 448 /**
 449  * GstTracerHookBinAddPost:
 450  * @self: the tracer instance
 451  * @ts: the current timestamp
 452  * @bin: the bin
 453  * @element: the element
 454  * @result: the result of gst_bin_add()
 455  *
 456  * Post-hook for gst_bin_add() named "bin-add-post".
 457  */
 458 typedef void (*GstTracerHookBinAddPost) (GObject *self, GstClockTime ts,
 459     GstBin *bin, GstElement *element, gboolean result);
 460 #define GST_TRACER_BIN_ADD_POST(bin, element, result) G_STMT_START{ \
 461   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_ADD_POST), \
 462     GstTracerHookBinAddPost, (GST_TRACER_ARGS, bin, element, result)); \
 463 }G_STMT_END
 464
 465 /**
 466  * GstTracerHookBinRemovePre:
 467  * @self: the tracer instance
 468  * @ts: the current timestamp
 469  * @bin: the bin
 470  * @element: the element
 471  *
 472  * Pre-hook for gst_bin_remove() named "bin-remove-pre".
 473  */
 474 typedef void (*GstTracerHookBinRemovePre) (GObject *self, GstClockTime ts,
 475     GstBin *bin, GstElement *element);
 476 #define GST_TRACER_BIN_REMOVE_PRE(bin, element) G_STMT_START{ \
 477   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_REMOVE_PRE), \
 478     GstTracerHookBinRemovePre, (GST_TRACER_ARGS, bin, element)); \
 479 }G_STMT_END
 480
 481 /**
 482  * GstTracerHookBinRemovePost:
 483  * @self: the tracer instance
 484  * @ts: the current timestamp
 485  * @bin: the bin
 486  * @result: the result of gst_bin_remove()
 487  *
 488  * Post-hook for gst_bin_remove() named "bin-remove-post".
 489  */
 490 typedef void (*GstTracerHookBinRemovePost) (GObject *self, GstClockTime ts,
 491     GstBin *bin, gboolean result);
 492 #define GST_TRACER_BIN_REMOVE_POST(bin, result) G_STMT_START{ \
 493   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_REMOVE_POST), \
 494     GstTracerHookBinRemovePost, (GST_TRACER_ARGS, bin, result)); \
 495 }G_STMT_END
 496
 497 /**
 498  * GstTracerHookPadLinkPre:
 499  * @self: the tracer instance
 500  * @ts: the current timestamp
 501  * @srcpad: the srcpad
 502  * @sinkpad: the sinkpad
 503  *
 504  * Pre-hook for gst_pad_link() named "pad-link-pre".
 505  */
 506 typedef void (*GstTracerHookPadLinkPre) (GObject *self, GstClockTime ts,
 507     GstPad *srcpad, GstPad *sinkpad);
 508 #define GST_TRACER_PAD_LINK_PRE(srcpad, sinkpad) G_STMT_START{ \
 509   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_LINK_PRE), \
 510     GstTracerHookPadLinkPre, (GST_TRACER_ARGS, srcpad, sinkpad)); \
 511 }G_STMT_END
 512
 513 /**
 514  * GstTracerHookPadLinkPost:
 515  * @self: the tracer instance
 516  * @ts: the current timestamp
 517  * @srcpad: the srcpad
 518  * @sinkpad: the sinkpad
 519  * @result: the result of gst_pad_link()
 520  *
 521  * Post-hook for gst_pad_link() named "pad-link-post".
 522  */
 523 typedef void (*GstTracerHookPadLinkPost) (GObject *self, GstClockTime ts,
 524     GstPad *srcpad, GstPad *sinkpad, GstPadLinkReturn result);
 525 #define GST_TRACER_PAD_LINK_POST(srcpad, sinkpad, result) G_STMT_START{ \
 526   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_LINK_POST), \
 527     GstTracerHookPadLinkPost, (GST_TRACER_ARGS, srcpad, sinkpad, result)); \
 528 }G_STMT_END
 529
 530 /**
 531  * GstTracerHookPadUnlinkPre:
 532  * @self: the tracer instance
 533  * @ts: the current timestamp
 534  * @srcpad: the srcpad
 535  * @sinkpad: the sinkpad
 536  *
 537  * Pre-hook for gst_pad_unlink() named "pad-unlink-pre".
 538  */
 539 typedef void (*GstTracerHookPadUnlinkPre) (GObject *self, GstClockTime ts,
 540     GstPad *srcpad, GstPad *sinkpad);
 541 #define GST_TRACER_PAD_UNLINK_PRE(srcpad, sinkpad) G_STMT_START{ \
 542   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_UNLINK_PRE), \
 543     GstTracerHookPadUnlinkPre, (GST_TRACER_ARGS, srcpad, sinkpad)); \
 544 }G_STMT_END
 545
 546 /**
 547  * GstTracerHookPadUnlinkPost:
 548  * @self: the tracer instance
 549  * @ts: the current timestamp
 550  * @srcpad: the srcpad
 551  * @sinkpad: the sinkpad
 552  * @result: the result of gst_pad_push()
 553  *
 554  * Post-hook for gst_pad_unlink() named "pad-unlink-post".
 555  */
 556 typedef void (*GstTracerHookPadUnlinkPost) (GObject *self, GstClockTime ts,
 557     GstPad *srcpad, GstPad *sinkpad, gboolean result);
 558 #define GST_TRACER_PAD_UNLINK_POST(srcpad, sinkpad, result) G_STMT_START{ \
 559   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_UNLINK_POST), \
 560     GstTracerHookPadUnlinkPost, (GST_TRACER_ARGS, srcpad, sinkpad, result)); \
 561 }G_STMT_END
 562
 563 /**
 564  * GstTracerHookMiniObjectCreated:
 565  * @self: the tracer instance
 566  * @ts: the current timestamp
 567  * @object: the mini object being created
 568  *
 569  * Hook called when a #GstMiniObject is created named "mini-object-created".
 570  */
 571 typedef void (*GstTracerHookMiniObjectCreated) (GObject *self, GstClockTime ts,
 572     GstMiniObject *object);
 573 #define GST_TRACER_MINI_OBJECT_CREATED(object) G_STMT_START{ \
 574   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_MINI_OBJECT_CREATED), \
 575     GstTracerHookMiniObjectCreated, (GST_TRACER_ARGS, object)); \
 576 }G_STMT_END
 577
 578 /**
 579  * GstTracerHookMiniObjectDestroyed:
 580  * @self: the tracer instance
 581  * @ts: the current timestamp
 582  * @object: the mini object being destroyed
 583  *
 584  * Hook called when a #GstMiniObject is being destroyed named
 585  * "mini-object-destroyed".
 586  */
 587 typedef void (*GstTracerHookMiniObjectDestroyed) (GObject *self, GstClockTime ts,
 588     GstMiniObject *object);
 589 #define GST_TRACER_MINI_OBJECT_DESTROYED(object) G_STMT_START{ \
 590   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_MINI_OBJECT_DESTROYED), \
 591     GstTracerHookMiniObjectDestroyed, (GST_TRACER_ARGS, object)); \
 592 }G_STMT_END
 593
 594 /**
 595  * GstTracerHookObjectCreated:
 596  * @self: the tracer instance
 597  * @ts: the current timestamp
 598  * @object: the object being created
 599  *
 600  * Hook called when a #GstObject is created named "object-created".
 601  */
 602 typedef void (*GstTracerHookObjectCreated) (GObject *self, GstClockTime ts,
 603     GstObject *object);
 604 #define GST_TRACER_OBJECT_CREATED(object) G_STMT_START{ \
 605   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_OBJECT_CREATED), \
 606     GstTracerHookObjectCreated, (GST_TRACER_ARGS, object)); \
 607 }G_STMT_END
 608
 609 /**
 610  * GstTracerHookObjectDestroyed:
 611  * @self: the tracer instance
 612  * @ts: the current timestamp
 613  * @object: the object being destroyed
 614  *
 615  * Hook called when a #GstObject is being destroyed named
 616  * "object-destroyed".
 617  */
 618 typedef void (*GstTracerHookObjectDestroyed) (GObject *self, GstClockTime ts,
 619     GstObject *object);
 620 #define GST_TRACER_OBJECT_DESTROYED(object) G_STMT_START{ \
 621   GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_OBJECT_DESTROYED), \
 622     GstTracerHookObjectDestroyed, (GST_TRACER_ARGS, object)); \
 623 }G_STMT_END
 624
 625
 626 #else /* !GST_DISABLE_GST_TRACER_HOOKS */
 627
 628 #define GST_TRACER_PAD_PUSH_PRE(pad, buffer)
 629 #define GST_TRACER_PAD_PUSH_POST(pad, res)
 630 #define GST_TRACER_PAD_PUSH_LIST_PRE(pad, list)
 631 #define GST_TRACER_PAD_PUSH_LIST_POST(pad, res)
 632 #define GST_TRACER_PAD_PULL_RANGE_PRE(pad, offset, size)
 633 #define GST_TRACER_PAD_PULL_RANGE_POST(pad, buffer, res)
 634 #define GST_TRACER_PAD_PUSH_EVENT_PRE(pad, event)
 635 #define GST_TRACER_PAD_PUSH_EVENT_POST(pad, res)
 636 #define GST_TRACER_PAD_QUERY_PRE(pad, query)
 637 #define GST_TRACER_PAD_QUERY_POST(pad, query, res)
 638 #define GST_TRACER_ELEMENT_POST_MESSAGE_PRE(element, message)
 639 #define GST_TRACER_ELEMENT_POST_MESSAGE_POST(element, res)
 640 #define GST_TRACER_ELEMENT_QUERY_PRE(element, query)
 641 #define GST_TRACER_ELEMENT_QUERY_POST(element, query, res)
 642 #define GST_TRACER_ELEMENT_NEW(element)
 643 #define GST_TRACER_ELEMENT_ADD_PAD(element, pad)
 644 #define GST_TRACER_ELEMENT_REMOVE_PAD(element, pad)
 645 #define GST_TRACER_ELEMENT_CHANGE_STATE_PRE(element, transition)
 646 #define GST_TRACER_ELEMENT_CHANGE_STATE_POST(element, transition, res)
 647 #define GST_TRACER_BIN_ADD_PRE(bin, element)
 648 #define GST_TRACER_BIN_ADD_POST(bin, element, res)
 649 #define GST_TRACER_BIN_REMOVE_PRE(bin, element)
 650 #define GST_TRACER_BIN_REMOVE_POST(bin, res)
 651 #define GST_TRACER_PAD_LINK_PRE(srcpad, sinkpad)
 652 #define GST_TRACER_PAD_LINK_POST(srcpad, sinkpad, res)
 653 #define GST_TRACER_PAD_UNLINK_PRE(srcpad, sinkpad)
 654 #define GST_TRACER_PAD_UNLINK_POST(srcpad, sinkpad, res)
 655 #define GST_TRACER_MINI_OBJECT_CREATED(object)
 656 #define GST_TRACER_MINI_OBJECT_DESTROYED(object)
 657 #define GST_TRACER_OBJECT_CREATED(object)
 658 #define GST_TRACER_OBJECT_DESTROYED(object)
 659
 660 #endif /* GST_DISABLE_GST_TRACER_HOOKS */
 661
 662 G_END_DECLS
 663
 664 #endif /* __GST_TRACER_UTILS_H__ */
 665