/* 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_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

 * @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

 * @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

 * @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

 * @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

#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)

#endif /* GST_DISABLE_GST_TRACER_HOOKS */

G_END_DECLS

#endif /* __GST_TRACER_UTILS_H__ */