gstreamer/gst/gsttracerutils.h
Olivier Crête 8332b44a2a tracers: Add tracepoint when a plugin feature it loaded
This makes it possible to trace which ones are loaded in a specific
program to make nice statistics.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/782>
2021-08-18 17:01:27 -04:00

781 lines
27 KiB
C

/* GStreamer
* Copyright (C) 2013 Stefan Sauer <ensonic@users.sf.net>
*
* gsttracerutils.h: tracing subsystem
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_TRACER_UTILS_H__
#define __GST_TRACER_UTILS_H__
#include <glib.h>
#include <glib-object.h>
#include <gst/gstconfig.h>
#include <gst/gstbin.h>
#include <gst/gstutils.h>
G_BEGIN_DECLS
#ifndef GST_DISABLE_GST_TRACER_HOOKS
/* tracing hooks */
void _priv_gst_tracing_init (void);
void _priv_gst_tracing_deinit (void);
/* tracer quarks */
/* These enums need to match the number and order
* of strings declared in _quark_table, in gsttracerutils.c */
typedef enum /*< skip >*/
{
GST_TRACER_QUARK_HOOK_PAD_PUSH_PRE = 0,
GST_TRACER_QUARK_HOOK_PAD_PUSH_POST,
GST_TRACER_QUARK_HOOK_PAD_PUSH_LIST_PRE,
GST_TRACER_QUARK_HOOK_PAD_PUSH_LIST_POST,
GST_TRACER_QUARK_HOOK_PAD_PULL_RANGE_PRE,
GST_TRACER_QUARK_HOOK_PAD_PULL_RANGE_POST,
GST_TRACER_QUARK_HOOK_PAD_PUSH_EVENT_PRE ,
GST_TRACER_QUARK_HOOK_PAD_PUSH_EVENT_POST,
GST_TRACER_QUARK_HOOK_PAD_QUERY_PRE ,
GST_TRACER_QUARK_HOOK_PAD_QUERY_POST,
GST_TRACER_QUARK_HOOK_ELEMENT_POST_MESSAGE_PRE,
GST_TRACER_QUARK_HOOK_ELEMENT_POST_MESSAGE_POST,
GST_TRACER_QUARK_HOOK_ELEMENT_QUERY_PRE,
GST_TRACER_QUARK_HOOK_ELEMENT_QUERY_POST,
GST_TRACER_QUARK_HOOK_ELEMENT_NEW,
GST_TRACER_QUARK_HOOK_ELEMENT_ADD_PAD,
GST_TRACER_QUARK_HOOK_ELEMENT_REMOVE_PAD,
GST_TRACER_QUARK_HOOK_BIN_ADD_PRE,
GST_TRACER_QUARK_HOOK_BIN_ADD_POST,
GST_TRACER_QUARK_HOOK_BIN_REMOVE_PRE,
GST_TRACER_QUARK_HOOK_BIN_REMOVE_POST,
GST_TRACER_QUARK_HOOK_PAD_LINK_PRE,
GST_TRACER_QUARK_HOOK_PAD_LINK_POST,
GST_TRACER_QUARK_HOOK_PAD_UNLINK_PRE,
GST_TRACER_QUARK_HOOK_PAD_UNLINK_POST,
GST_TRACER_QUARK_HOOK_ELEMENT_CHANGE_STATE_PRE,
GST_TRACER_QUARK_HOOK_ELEMENT_CHANGE_STATE_POST,
GST_TRACER_QUARK_HOOK_MINI_OBJECT_CREATED,
GST_TRACER_QUARK_HOOK_MINI_OBJECT_DESTROYED,
GST_TRACER_QUARK_HOOK_OBJECT_CREATED,
GST_TRACER_QUARK_HOOK_OBJECT_DESTROYED,
GST_TRACER_QUARK_HOOK_MINI_OBJECT_REFFED,
GST_TRACER_QUARK_HOOK_MINI_OBJECT_UNREFFED,
GST_TRACER_QUARK_HOOK_OBJECT_REFFED,
GST_TRACER_QUARK_HOOK_OBJECT_UNREFFED,
GST_TRACER_QUARK_HOOK_PLUGIN_FEATURE_LOADED,
GST_TRACER_QUARK_MAX
} GstTracerQuarkId;
extern GQuark _priv_gst_tracer_quark_table[GST_TRACER_QUARK_MAX];
#define GST_TRACER_QUARK(q) _priv_gst_tracer_quark_table[GST_TRACER_QUARK_##q]
/* tracing module helpers */
typedef struct {
GObject *tracer;
GCallback func;
} GstTracerHook;
extern gboolean _priv_tracer_enabled;
/* key are hook-id quarks, values are GstTracerHook */
extern GHashTable *_priv_tracers;
#define GST_TRACER_IS_ENABLED (_priv_tracer_enabled)
#define GST_TRACER_TS \
GST_CLOCK_DIFF (_priv_gst_start_time, gst_util_get_timestamp ())
/* tracing hooks */
#define GST_TRACER_ARGS h->tracer, ts
#define GST_TRACER_DISPATCH(key,type,args) G_STMT_START{ \
if (GST_TRACER_IS_ENABLED) { \
GstClockTime ts = GST_TRACER_TS; \
GList *__l, *__n; \
GstTracerHook *h; \
__l = g_hash_table_lookup (_priv_tracers, GINT_TO_POINTER (key)); \
for (__n = __l; __n; __n = g_list_next (__n)) { \
h = (GstTracerHook *) __n->data; \
((type)(h->func)) args; \
} \
__l = g_hash_table_lookup (_priv_tracers, NULL); \
for (__n = __l; __n; __n = g_list_next (__n)) { \
h = (GstTracerHook *) __n->data; \
((type)(h->func)) args; \
} \
} \
}G_STMT_END
/**
* GstTracerHookPadPushPre:
* @self: the tracer instance
* @ts: the current timestamp
* @pad: the pad
* @buffer: the buffer
*
* Pre-hook for gst_pad_push() named "pad-push-pre".
*/
typedef void (*GstTracerHookPadPushPre) (GObject *self, GstClockTime ts,
GstPad *pad, GstBuffer *buffer);
#define GST_TRACER_PAD_PUSH_PRE(pad, buffer) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_PRE), \
GstTracerHookPadPushPre, (GST_TRACER_ARGS, pad, buffer)); \
}G_STMT_END
/**
* GstTracerHookPadPushPost:
* @self: the tracer instance
* @ts: the current timestamp
* @pad: the pad
* @res: the result of gst_pad_push()
*
* Post-hook for gst_pad_push() named "pad-push-post".
*/
typedef void (*GstTracerHookPadPushPost) (GObject * self, GstClockTime ts,
GstPad *pad, GstFlowReturn res);
#define GST_TRACER_PAD_PUSH_POST(pad, res) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_POST), \
GstTracerHookPadPushPost, (GST_TRACER_ARGS, pad, res)); \
}G_STMT_END
/**
* GstTracerHookPadPushListPre:
* @self: the tracer instance
* @ts: the current timestamp
* @pad: the pad
* @list: the buffer-list
*
* Pre-hook for gst_pad_push_list() named "pad-push-list-pre".
*/
typedef void (*GstTracerHookPadPushListPre) (GObject *self, GstClockTime ts,
GstPad *pad, GstBufferList *list);
#define GST_TRACER_PAD_PUSH_LIST_PRE(pad, list) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_LIST_PRE), \
GstTracerHookPadPushListPre, (GST_TRACER_ARGS, pad, list)); \
}G_STMT_END
/**
* GstTracerHookPadPushListPost:
* @self: the tracer instance
* @ts: the current timestamp
* @pad: the pad
* @res: the result of gst_pad_push_list()
*
* Post-hook for gst_pad_push_list() named "pad-push-list-post".
*/
typedef void (*GstTracerHookPadPushListPost) (GObject *self, GstClockTime ts,
GstPad *pad,
GstFlowReturn res);
#define GST_TRACER_PAD_PUSH_LIST_POST(pad, res) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_LIST_POST), \
GstTracerHookPadPushListPost, (GST_TRACER_ARGS, pad, res)); \
}G_STMT_END
/**
* GstTracerHookPadPullRangePre:
* @self: the tracer instance
* @ts: the current timestamp
* @pad: the pad
* @offset: the stream offset
* @size: the requested size
*
* Pre-hook for gst_pad_pull_range() named "pad-pull-range-pre".
*/
typedef void (*GstTracerHookPadPullRangePre) (GObject *self, GstClockTime ts,
GstPad *pad, guint64 offset, guint size);
#define GST_TRACER_PAD_PULL_RANGE_PRE(pad, offset, size) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PULL_RANGE_PRE), \
GstTracerHookPadPullRangePre, (GST_TRACER_ARGS, pad, offset, size)); \
}G_STMT_END
/**
* GstTracerHookPadPullRangePost:
* @self: the tracer instance
* @ts: the current timestamp
* @pad: the pad
* @buffer: the buffer
* @res: the result of gst_pad_pull_range()
*
* Post-hook for gst_pad_pull_range() named "pad-pull-range-post".
*/
typedef void (*GstTracerHookPadPullRangePost) (GObject *self, GstClockTime ts,
GstPad *pad, GstBuffer *buffer, GstFlowReturn res);
#define GST_TRACER_PAD_PULL_RANGE_POST(pad, buffer, res) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PULL_RANGE_POST), \
GstTracerHookPadPullRangePost, (GST_TRACER_ARGS, pad, buffer, res)); \
}G_STMT_END
/**
* GstTracerHookPadPushEventPre:
* @self: the tracer instance
* @ts: the current timestamp
* @pad: the pad
* @event: the event
*
* Pre-hook for gst_pad_push_event() named "pad-push-event-pre".
*/
typedef void (*GstTracerHookPadPushEventPre) (GObject *self, GstClockTime ts,
GstPad *pad, GstEvent *event);
#define GST_TRACER_PAD_PUSH_EVENT_PRE(pad, event) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_EVENT_PRE), \
GstTracerHookPadPushEventPre, (GST_TRACER_ARGS, pad, event)); \
}G_STMT_END
/**
* GstTracerHookPadPushEventPost:
* @self: the tracer instance
* @ts: the current timestamp
* @pad: the pad
* @res: the result of gst_pad_push_event()
*
* Post-hook for gst_pad_push_event() named "pad-push-event-post".
*/
typedef void (*GstTracerHookPadPushEventPost) (GObject *self, GstClockTime ts,
GstPad *pad, gboolean res);
#define GST_TRACER_PAD_PUSH_EVENT_POST(pad, res) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_EVENT_POST), \
GstTracerHookPadPushEventPost, (GST_TRACER_ARGS, pad, res)); \
}G_STMT_END
/**
* GstTracerHookPadQueryPre:
* @self: the tracer instance
* @ts: the current timestamp
* @pad: the pad
* @query: the query
*
* Pre-hook for gst_pad_query() named "pad-query-pre".
*/
typedef void (*GstTracerHookPadQueryPre) (GObject *self, GstClockTime ts,
GstPad *pad, GstQuery *query);
#define GST_TRACER_PAD_QUERY_PRE(pad, query) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_QUERY_PRE), \
GstTracerHookPadQueryPre, (GST_TRACER_ARGS, pad, query)); \
}G_STMT_END
/**
* GstTracerHookPadQueryPost:
* @self: the tracer instance
* @ts: the current timestamp
* @pad: the pad
* @query: the query
* @res: the result of gst_pad_query()
*
* Post-hook for gst_pad_query() named "pad-query-post".
*/
typedef void (*GstTracerHookPadQueryPost) (GObject *self, GstClockTime ts,
GstPad *pad, GstQuery *query, gboolean res);
#define GST_TRACER_PAD_QUERY_POST(pad, query, res) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_QUERY_POST), \
GstTracerHookPadQueryPost, (GST_TRACER_ARGS, pad, query, res)); \
}G_STMT_END
/**
* GstTracerHookElementPostMessagePre:
* @self: the tracer instance
* @ts: the current timestamp
* @element: the element
* @message: the message
*
* Pre-hook for gst_element_post_message() named "element-post-message-pre".
*/
typedef void (*GstTracerHookElementPostMessagePre) (GObject *self,
GstClockTime ts, GstElement *element, GstMessage *message);
#define GST_TRACER_ELEMENT_POST_MESSAGE_PRE(element, message) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_POST_MESSAGE_PRE), \
GstTracerHookElementPostMessagePre, (GST_TRACER_ARGS, element, message)); \
}G_STMT_END
/**
* GstTracerHookElementPostMessagePost:
* @self: the tracer instance
* @ts: the current timestamp
* @element: the element
* @res: the result of gst_element_post_message()
*
* Pre-hook for gst_element_post_message() named "element-post-message-post".
*/
typedef void (*GstTracerHookElementPostMessagePost) (GObject *self,
GstClockTime ts, GstElement *element, gboolean res);
#define GST_TRACER_ELEMENT_POST_MESSAGE_POST(element, res) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_POST_MESSAGE_POST), \
GstTracerHookElementPostMessagePost, (GST_TRACER_ARGS, element, res)); \
}G_STMT_END
/**
* GstTracerHookElementQueryPre:
* @self: the tracer instance
* @ts: the current timestamp
* @element: the element
* @query: the query
*
* Pre-hook for gst_element_query() named "element-query-pre".
*/
typedef void (*GstTracerHookElementQueryPre) (GObject *self, GstClockTime ts,
GstElement *element, GstQuery *query);
#define GST_TRACER_ELEMENT_QUERY_PRE(element, query) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_QUERY_PRE), \
GstTracerHookElementQueryPre, (GST_TRACER_ARGS, element, query)); \
}G_STMT_END
/**
* GstTracerHookElementQueryPost:
* @self: the tracer instance
* @ts: the current timestamp
* @element: the element
* @query: the query
* @res: the result of gst_element_query()
*
* Post-hook for gst_element_query() named "element-query-post".
*/
typedef void (*GstTracerHookElementQueryPost) (GObject *self, GstClockTime ts,
GstElement *element, GstQuery *query, gboolean res);
#define GST_TRACER_ELEMENT_QUERY_POST(element, query, res) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_QUERY_POST), \
GstTracerHookElementQueryPost, (GST_TRACER_ARGS, element, query, res)); \
}G_STMT_END
/**
* GstTracerHookElementNew:
* @self: the tracer instance
* @ts: the current timestamp
* @element: the element
*
* Hook for whenever a new element is created, named "element-new".
*/
typedef void (*GstTracerHookElementNew) (GObject *self, GstClockTime ts,
GstElement *element);
#define GST_TRACER_ELEMENT_NEW(element) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_NEW), \
GstTracerHookElementNew, (GST_TRACER_ARGS, element)); \
}G_STMT_END
/**
* GstTracerHookElementAddPad:
* @self: the tracer instance
* @ts: the current timestamp
* @element: the element
* @pad: the pad
*
* Hook for gst_element_add_pad() named "element-add-pad".
*/
typedef void (*GstTracerHookElementAddPad) (GObject *self, GstClockTime ts,
GstElement *element, GstPad *pad);
#define GST_TRACER_ELEMENT_ADD_PAD(element, pad) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_ADD_PAD), \
GstTracerHookElementAddPad, (GST_TRACER_ARGS, element, pad)); \
}G_STMT_END
/**
* GstTracerHookElementRemovePad:
* @self: the tracer instance
* @ts: the current timestamp
* @element: the element
* @pad: the pad
*
* Hook for gst_element_remove_pad() named "element-remove-pad".
*/
typedef void (*GstTracerHookElementRemovePad) (GObject *self, GstClockTime ts,
GstElement *element, GstPad *pad);
#define GST_TRACER_ELEMENT_REMOVE_PAD(element, pad) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_REMOVE_PAD), \
GstTracerHookElementRemovePad, (GST_TRACER_ARGS, element, pad)); \
}G_STMT_END
/**
* GstTracerHookElementChangeStatePre:
* @self: the tracer instance
* @ts: the current timestamp
* @element: the element
* @transition: the transition
*
* Pre-hook for gst_element_change_state() named "element-change-state-pre".
*/
typedef void (*GstTracerHookElementChangeStatePre) (GObject *self,
GstClockTime ts, GstElement *element, GstStateChange transition);
#define GST_TRACER_ELEMENT_CHANGE_STATE_PRE(element, transition) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_CHANGE_STATE_PRE), \
GstTracerHookElementChangeStatePre, (GST_TRACER_ARGS, element, transition)); \
}G_STMT_END
/**
* GstTracerHookElementChangeStatePost:
* @self: the tracer instance
* @ts: the current timestamp
* @element: the element
* @transition: the transition
* @result: the result of gst_pad_push()
*
* Post-hook for gst_element_change_state() named "element-change-state-post".
*/
typedef void (*GstTracerHookElementChangeStatePost) (GObject *self,
GstClockTime ts, GstElement *element, GstStateChange transition,
GstStateChangeReturn result);
#define GST_TRACER_ELEMENT_CHANGE_STATE_POST(element, transition, result) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_CHANGE_STATE_POST), \
GstTracerHookElementChangeStatePost, (GST_TRACER_ARGS, element, transition, result)); \
}G_STMT_END
/**
* GstTracerHookBinAddPre:
* @self: the tracer instance
* @ts: the current timestamp
* @bin: the bin
* @element: the element
*
* Pre-hook for gst_bin_add() named "bin-add-pre".
*/
typedef void (*GstTracerHookBinAddPre) (GObject *self, GstClockTime ts,
GstBin *bin, GstElement *element);
#define GST_TRACER_BIN_ADD_PRE(bin, element) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_ADD_PRE), \
GstTracerHookBinAddPre, (GST_TRACER_ARGS, bin, element)); \
}G_STMT_END
/**
* GstTracerHookBinAddPost:
* @self: the tracer instance
* @ts: the current timestamp
* @bin: the bin
* @element: the element
* @result: the result of gst_bin_add()
*
* Post-hook for gst_bin_add() named "bin-add-post".
*/
typedef void (*GstTracerHookBinAddPost) (GObject *self, GstClockTime ts,
GstBin *bin, GstElement *element, gboolean result);
#define GST_TRACER_BIN_ADD_POST(bin, element, result) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_ADD_POST), \
GstTracerHookBinAddPost, (GST_TRACER_ARGS, bin, element, result)); \
}G_STMT_END
/**
* GstTracerHookBinRemovePre:
* @self: the tracer instance
* @ts: the current timestamp
* @bin: the bin
* @element: the element
*
* Pre-hook for gst_bin_remove() named "bin-remove-pre".
*/
typedef void (*GstTracerHookBinRemovePre) (GObject *self, GstClockTime ts,
GstBin *bin, GstElement *element);
#define GST_TRACER_BIN_REMOVE_PRE(bin, element) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_REMOVE_PRE), \
GstTracerHookBinRemovePre, (GST_TRACER_ARGS, bin, element)); \
}G_STMT_END
/**
* GstTracerHookBinRemovePost:
* @self: the tracer instance
* @ts: the current timestamp
* @bin: the bin
* @result: the result of gst_bin_remove()
*
* Post-hook for gst_bin_remove() named "bin-remove-post".
*/
typedef void (*GstTracerHookBinRemovePost) (GObject *self, GstClockTime ts,
GstBin *bin, gboolean result);
#define GST_TRACER_BIN_REMOVE_POST(bin, result) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_REMOVE_POST), \
GstTracerHookBinRemovePost, (GST_TRACER_ARGS, bin, result)); \
}G_STMT_END
/**
* GstTracerHookPadLinkPre:
* @self: the tracer instance
* @ts: the current timestamp
* @srcpad: the srcpad
* @sinkpad: the sinkpad
*
* Pre-hook for gst_pad_link() named "pad-link-pre".
*/
typedef void (*GstTracerHookPadLinkPre) (GObject *self, GstClockTime ts,
GstPad *srcpad, GstPad *sinkpad);
#define GST_TRACER_PAD_LINK_PRE(srcpad, sinkpad) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_LINK_PRE), \
GstTracerHookPadLinkPre, (GST_TRACER_ARGS, srcpad, sinkpad)); \
}G_STMT_END
/**
* GstTracerHookPadLinkPost:
* @self: the tracer instance
* @ts: the current timestamp
* @srcpad: the srcpad
* @sinkpad: the sinkpad
* @result: the result of gst_pad_link()
*
* Post-hook for gst_pad_link() named "pad-link-post".
*/
typedef void (*GstTracerHookPadLinkPost) (GObject *self, GstClockTime ts,
GstPad *srcpad, GstPad *sinkpad, GstPadLinkReturn result);
#define GST_TRACER_PAD_LINK_POST(srcpad, sinkpad, result) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_LINK_POST), \
GstTracerHookPadLinkPost, (GST_TRACER_ARGS, srcpad, sinkpad, result)); \
}G_STMT_END
/**
* GstTracerHookPadUnlinkPre:
* @self: the tracer instance
* @ts: the current timestamp
* @srcpad: the srcpad
* @sinkpad: the sinkpad
*
* Pre-hook for gst_pad_unlink() named "pad-unlink-pre".
*/
typedef void (*GstTracerHookPadUnlinkPre) (GObject *self, GstClockTime ts,
GstPad *srcpad, GstPad *sinkpad);
#define GST_TRACER_PAD_UNLINK_PRE(srcpad, sinkpad) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_UNLINK_PRE), \
GstTracerHookPadUnlinkPre, (GST_TRACER_ARGS, srcpad, sinkpad)); \
}G_STMT_END
/**
* GstTracerHookPadUnlinkPost:
* @self: the tracer instance
* @ts: the current timestamp
* @srcpad: the srcpad
* @sinkpad: the sinkpad
* @result: the result of gst_pad_push()
*
* Post-hook for gst_pad_unlink() named "pad-unlink-post".
*/
typedef void (*GstTracerHookPadUnlinkPost) (GObject *self, GstClockTime ts,
GstPad *srcpad, GstPad *sinkpad, gboolean result);
#define GST_TRACER_PAD_UNLINK_POST(srcpad, sinkpad, result) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_UNLINK_POST), \
GstTracerHookPadUnlinkPost, (GST_TRACER_ARGS, srcpad, sinkpad, result)); \
}G_STMT_END
/**
* GstTracerHookMiniObjectCreated:
* @self: the tracer instance
* @ts: the current timestamp
* @object: the mini object being created
*
* Hook called when a #GstMiniObject is created named "mini-object-created".
*/
typedef void (*GstTracerHookMiniObjectCreated) (GObject *self, GstClockTime ts,
GstMiniObject *object);
#define GST_TRACER_MINI_OBJECT_CREATED(object) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_MINI_OBJECT_CREATED), \
GstTracerHookMiniObjectCreated, (GST_TRACER_ARGS, object)); \
}G_STMT_END
/**
* GstTracerHookMiniObjectDestroyed:
* @self: the tracer instance
* @ts: the current timestamp
* @object: the mini object being destroyed
*
* Hook called when a #GstMiniObject is being destroyed named
* "mini-object-destroyed".
*/
typedef void (*GstTracerHookMiniObjectDestroyed) (GObject *self, GstClockTime ts,
GstMiniObject *object);
#define GST_TRACER_MINI_OBJECT_DESTROYED(object) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_MINI_OBJECT_DESTROYED), \
GstTracerHookMiniObjectDestroyed, (GST_TRACER_ARGS, object)); \
}G_STMT_END
/**
* GstTracerHookObjectUnreffed:
* @self: the tracer instance
* @ts: the current timestamp
* @object: the object being unreffed
* @new_refcount: the new refcount after unrefing @object
*
* Hook called when a #GstObject is being unreffed named
* "object-unreffed"
*/
typedef void (*GstTracerHookObjectUnreffed) (GObject *self, GstClockTime ts,
GstObject *object, gint new_refcount);
#define GST_TRACER_OBJECT_UNREFFED(object, new_refcount) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_OBJECT_UNREFFED), \
GstTracerHookObjectUnreffed, (GST_TRACER_ARGS, object, new_refcount)); \
}G_STMT_END
/**
* GstTracerHookObjectReffed:
* @self: the tracer instance
* @ts: the current timestamp
* @object: the object being reffed
* @new_refcount: the new refcount after refing @object
*
* Hook called when a #GstObject is being reffed named
* "object-reffed".
*/
typedef void (*GstTracerHookObjectReffed) (GObject *self, GstClockTime ts,
GstObject *object, gint new_refcount);
#define GST_TRACER_OBJECT_REFFED(object, new_refcount) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_OBJECT_REFFED), \
GstTracerHookObjectReffed, (GST_TRACER_ARGS, object, new_refcount)); \
}G_STMT_END
/**
* GstTracerHookMiniObjectUnreffed:
* @self: the tracer instance
* @ts: the current timestamp
* @object: the mini object being unreffed
* @new_refcount: the new refcount after unrefing @object
*
* Hook called when a #GstMiniObject is being unreffed named
* "mini-object-unreffed".
*/
typedef void (*GstTracerHookMiniObjectUnreffed) (GObject *self, GstClockTime ts,
GstMiniObject *object, gint new_refcount);
#define GST_TRACER_MINI_OBJECT_UNREFFED(object, new_refcount) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_MINI_OBJECT_UNREFFED), \
GstTracerHookMiniObjectUnreffed, (GST_TRACER_ARGS, object, new_refcount)); \
}G_STMT_END
/**
* GstTracerHookMiniObjectReffed:
* @self: the tracer instance
* @ts: the current timestamp
* @object: the mini object being reffed
* @new_refcount: the new refcount after refing @object
*
* Hook called when a #GstMiniObject is being reffed named
* "mini-object-reffed".
*/
typedef void (*GstTracerHookMiniObjectReffed) (GObject *self, GstClockTime ts,
GstMiniObject *object, gint new_refcount);
#define GST_TRACER_MINI_OBJECT_REFFED(object, new_refcount) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_MINI_OBJECT_REFFED), \
GstTracerHookMiniObjectReffed, (GST_TRACER_ARGS, object, new_refcount)); \
}G_STMT_END
/**
* GstTracerHookObjectCreated:
* @self: the tracer instance
* @ts: the current timestamp
* @object: the object being created
*
* Hook called when a #GstObject is created named "object-created".
*/
typedef void (*GstTracerHookObjectCreated) (GObject *self, GstClockTime ts,
GstObject *object);
#define GST_TRACER_OBJECT_CREATED(object) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_OBJECT_CREATED), \
GstTracerHookObjectCreated, (GST_TRACER_ARGS, object)); \
}G_STMT_END
/**
* GstTracerHookObjectDestroyed:
* @self: the tracer instance
* @ts: the current timestamp
* @object: the object being destroyed
*
* Hook called when a #GstObject is being destroyed named
* "object-destroyed".
*/
typedef void (*GstTracerHookObjectDestroyed) (GObject *self, GstClockTime ts,
GstObject *object);
#define GST_TRACER_OBJECT_DESTROYED(object) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_OBJECT_DESTROYED), \
GstTracerHookObjectDestroyed, (GST_TRACER_ARGS, object)); \
}G_STMT_END
/**
* GstTracerHookPluginFeatureLoaded:
* @self: the tracer instance
* @ts: the current timestamp
* @feature: the plugin feature that was loaded
*
* Hook called when a GstPluginFeature is loaded named
* "plugin-feature-loaded".
*
* Since: 1.20
*/
typedef void (*GstTracerHookPluginFeatureLoaded) (GObject *self, GstClockTime ts,
GstPluginFeature *feature);
/**
* GST_TRACER_PLUGIN_FEATURE_LOADED:
* @feature: The feature that this tracer is called for
*
* Add a tracepoint when a plugin feature is loaded.
*
* Since: 1.20
*/
#define GST_TRACER_PLUGIN_FEATURE_LOADED(feature) G_STMT_START{ \
GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PLUGIN_FEATURE_LOADED), \
GstTracerHookPluginFeatureLoaded, (GST_TRACER_ARGS, feature)); \
}G_STMT_END
#else /* !GST_DISABLE_GST_TRACER_HOOKS */
static inline void
_priv_gst_tracing_init (void)
{
GST_DEBUG ("Tracing hooks are disabled");
}
static inline void
_priv_gst_tracing_deinit (void)
{
}
#define GST_TRACER_PAD_PUSH_PRE(pad, buffer)
#define GST_TRACER_PAD_PUSH_POST(pad, res)
#define GST_TRACER_PAD_PUSH_LIST_PRE(pad, list)
#define GST_TRACER_PAD_PUSH_LIST_POST(pad, res)
#define GST_TRACER_PAD_PULL_RANGE_PRE(pad, offset, size)
#define GST_TRACER_PAD_PULL_RANGE_POST(pad, buffer, res)
#define GST_TRACER_PAD_PUSH_EVENT_PRE(pad, event)
#define GST_TRACER_PAD_PUSH_EVENT_POST(pad, res)
#define GST_TRACER_PAD_QUERY_PRE(pad, query)
#define GST_TRACER_PAD_QUERY_POST(pad, query, res)
#define GST_TRACER_ELEMENT_POST_MESSAGE_PRE(element, message)
#define GST_TRACER_ELEMENT_POST_MESSAGE_POST(element, res)
#define GST_TRACER_ELEMENT_QUERY_PRE(element, query)
#define GST_TRACER_ELEMENT_QUERY_POST(element, query, res)
#define GST_TRACER_ELEMENT_NEW(element)
#define GST_TRACER_ELEMENT_ADD_PAD(element, pad)
#define GST_TRACER_ELEMENT_REMOVE_PAD(element, pad)
#define GST_TRACER_ELEMENT_CHANGE_STATE_PRE(element, transition)
#define GST_TRACER_ELEMENT_CHANGE_STATE_POST(element, transition, res)
#define GST_TRACER_BIN_ADD_PRE(bin, element)
#define GST_TRACER_BIN_ADD_POST(bin, element, res)
#define GST_TRACER_BIN_REMOVE_PRE(bin, element)
#define GST_TRACER_BIN_REMOVE_POST(bin, res)
#define GST_TRACER_PAD_LINK_PRE(srcpad, sinkpad)
#define GST_TRACER_PAD_LINK_POST(srcpad, sinkpad, res)
#define GST_TRACER_PAD_UNLINK_PRE(srcpad, sinkpad)
#define GST_TRACER_PAD_UNLINK_POST(srcpad, sinkpad, res)
#define GST_TRACER_MINI_OBJECT_CREATED(object)
#define GST_TRACER_MINI_OBJECT_DESTROYED(object)
#define GST_TRACER_MINI_OBJECT_REFFED(object, new_refcount)
#define GST_TRACER_MINI_OBJECT_UNREFFED(object, new_refcount)
#define GST_TRACER_OBJECT_CREATED(object)
#define GST_TRACER_OBJECT_DESTROYED(object)
#define GST_TRACER_OBJECT_REFFED(object, new_refcount)
#define GST_TRACER_OBJECT_UNREFFED(object, new_refcount)
#define GST_TRACER_PLUGIN_FEATURE_LOADED(feature)
#endif /* GST_DISABLE_GST_TRACER_HOOKS */
G_END_DECLS
#endif /* __GST_TRACER_UTILS_H__ */