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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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82c1ec4931
Helps catching when a state change is starting and ending. It is also possible to track the end of state changes by checking the async-done or state-change messages. This is particularly important for elements that do async state changes.
341 lines
14 KiB
C
341 lines
14 KiB
C
/* GStreamer
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* Copyright (C) 2013 Stefan Sauer <ensonic@users.sf.net>
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*
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* gsttracerutils.h: tracing subsystem
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_TRACER_UTILS_H__
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#define __GST_TRACER_UTILS_H__
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#include <glib.h>
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#include <glib-object.h>
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#include <gst/gstconfig.h>
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#include <gst/gstbin.h>
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G_BEGIN_DECLS
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#ifndef GST_DISABLE_GST_DEBUG
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/* tracing hooks */
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void _priv_gst_tracing_init (void);
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void _priv_gst_tracing_deinit (void);
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/* tracer quarks */
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/* These enums need to match the number and order
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* of strings declared in _quark_table, in gsttracerutils.c */
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typedef enum /*< skip >*/
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{
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GST_TRACER_QUARK_HOOK_PAD_PUSH_PRE = 0,
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GST_TRACER_QUARK_HOOK_PAD_PUSH_POST,
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GST_TRACER_QUARK_HOOK_PAD_PUSH_LIST_PRE,
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GST_TRACER_QUARK_HOOK_PAD_PUSH_LIST_POST,
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GST_TRACER_QUARK_HOOK_PAD_PULL_RANGE_PRE,
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GST_TRACER_QUARK_HOOK_PAD_PULL_RANGE_POST,
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GST_TRACER_QUARK_HOOK_PAD_PUSH_EVENT_PRE ,
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GST_TRACER_QUARK_HOOK_PAD_PUSH_EVENT_POST,
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GST_TRACER_QUARK_HOOK_PAD_QUERY_PRE ,
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GST_TRACER_QUARK_HOOK_PAD_QUERY_POST,
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GST_TRACER_QUARK_HOOK_ELEMENT_POST_MESSAGE_PRE,
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GST_TRACER_QUARK_HOOK_ELEMENT_POST_MESSAGE_POST,
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GST_TRACER_QUARK_HOOK_ELEMENT_QUERY_PRE,
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GST_TRACER_QUARK_HOOK_ELEMENT_QUERY_POST,
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GST_TRACER_QUARK_HOOK_ELEMENT_NEW,
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GST_TRACER_QUARK_HOOK_ELEMENT_ADD_PAD,
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GST_TRACER_QUARK_HOOK_ELEMENT_REMOVE_PAD,
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GST_TRACER_QUARK_HOOK_BIN_ADD_PRE,
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GST_TRACER_QUARK_HOOK_BIN_ADD_POST,
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GST_TRACER_QUARK_HOOK_BIN_REMOVE_PRE,
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GST_TRACER_QUARK_HOOK_BIN_REMOVE_POST,
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GST_TRACER_QUARK_HOOK_PAD_LINK_PRE,
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GST_TRACER_QUARK_HOOK_PAD_LINK_POST,
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GST_TRACER_QUARK_HOOK_PAD_UNLINK_PRE,
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GST_TRACER_QUARK_HOOK_PAD_UNLINK_POST,
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GST_TRACER_QUARK_HOOK_ELEMENT_CHANGE_STATE_PRE,
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GST_TRACER_QUARK_HOOK_ELEMENT_CHANGE_STATE_POST,
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GST_TRACER_QUARK_MAX
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} GstTracerQuarkId;
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extern GQuark _priv_gst_tracer_quark_table[GST_TRACER_QUARK_MAX];
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#define GST_TRACER_QUARK(q) _priv_gst_tracer_quark_table[GST_TRACER_QUARK_##q]
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/* tracing module helpers */
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typedef struct {
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GObject *tracer;
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GCallback func;
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} GstTracerHook;
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extern gboolean _priv_tracer_enabled;
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/* key are hook-id quarks, values are GstTracerHook */
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extern GHashTable *_priv_tracers;
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#define GST_TRACER_IS_ENABLED (_priv_tracer_enabled)
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#define GST_TRACER_TS \
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GST_CLOCK_DIFF (_priv_gst_info_start_time, gst_util_get_timestamp ())
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/* tracing hooks */
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#define GST_TRACER_ARGS h->tracer, ts
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#define GST_TRACER_DISPATCH(key,type,args) G_STMT_START{ \
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if (GST_TRACER_IS_ENABLED) { \
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GstClockTime ts = GST_TRACER_TS; \
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GList *__l, *__n; \
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GstTracerHook *h; \
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__l = g_hash_table_lookup (_priv_tracers, GINT_TO_POINTER (key)); \
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for (__n = __l; __n; __n = g_list_next (__n)) { \
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h = (GstTracerHook *) __n->data; \
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((type)(h->func)) args; \
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} \
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__l = g_hash_table_lookup (_priv_tracers, NULL); \
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for (__n = __l; __n; __n = g_list_next (__n)) { \
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h = (GstTracerHook *) __n->data; \
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((type)(h->func)) args; \
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} \
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} \
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}G_STMT_END
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typedef void (*GstTracerHookPadPushPre) (GObject *, GstClockTime, GstPad *,
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GstBuffer *);
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#define GST_TRACER_PAD_PUSH_PRE(pad, buffer) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_PRE), \
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GstTracerHookPadPushPre, (GST_TRACER_ARGS, pad, buffer)); \
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}G_STMT_END
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typedef void (*GstTracerHookPadPushPost) (GObject *, GstClockTime, GstPad *,
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GstFlowReturn);
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#define GST_TRACER_PAD_PUSH_POST(pad, res) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_POST), \
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GstTracerHookPadPushPost, (GST_TRACER_ARGS, pad, res)); \
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}G_STMT_END
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typedef void (*GstTracerHookPadPushListPre) (GObject *, GstClockTime, GstPad *,
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GstBufferList *);
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#define GST_TRACER_PAD_PUSH_LIST_PRE(pad, list) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_LIST_PRE), \
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GstTracerHookPadPushListPre, (GST_TRACER_ARGS, pad, list)); \
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}G_STMT_END
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typedef void (*GstTracerHookPadPushListPost) (GObject *, GstClockTime, GstPad *,
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GstFlowReturn);
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#define GST_TRACER_PAD_PUSH_LIST_POST(pad, res) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_LIST_POST), \
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GstTracerHookPadPushListPost, (GST_TRACER_ARGS, pad, res)); \
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}G_STMT_END
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typedef void (*GstTracerHookPadPullRangePre) (GObject *, GstClockTime, GstPad *,
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guint64, guint);
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#define GST_TRACER_PAD_PULL_RANGE_PRE(pad, offset, size) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PULL_RANGE_PRE), \
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GstTracerHookPadPullRangePre, (GST_TRACER_ARGS, pad, offset, size)); \
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}G_STMT_END
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typedef void (*GstTracerHookPadPullRangePost) (GObject *, GstClockTime,
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GstPad *, GstBuffer *, GstFlowReturn);
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#define GST_TRACER_PAD_PULL_RANGE_POST(pad, buffer, res) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PULL_RANGE_POST), \
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GstTracerHookPadPullRangePost, (GST_TRACER_ARGS, pad, buffer, res)); \
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}G_STMT_END
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typedef void (*GstTracerHookPadPushEventPre) (GObject *, GstClockTime, GstPad *,
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GstEvent *);
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#define GST_TRACER_PAD_PUSH_EVENT_PRE(pad, event) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_EVENT_PRE), \
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GstTracerHookPadPushEventPre, (GST_TRACER_ARGS, pad, event)); \
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}G_STMT_END
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typedef void (*GstTracerHookPadPushEventPost) (GObject *, GstClockTime,
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GstPad *, gboolean);
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#define GST_TRACER_PAD_PUSH_EVENT_POST(pad, res) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_PUSH_EVENT_POST), \
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GstTracerHookPadPushEventPost, (GST_TRACER_ARGS, pad, res)); \
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}G_STMT_END
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typedef void (*GstTracerHookPadQueryPre) (GObject *, GstClockTime, GstPad *,
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GstQuery *);
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#define GST_TRACER_PAD_QUERY_PRE(pad, query) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_QUERY_PRE), \
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GstTracerHookPadQueryPre, (GST_TRACER_ARGS, pad, query)); \
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}G_STMT_END
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typedef void (*GstTracerHookPadQueryPost) (GObject *, GstClockTime,
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GstPad *, gboolean, GstQuery *);
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#define GST_TRACER_PAD_QUERY_POST(pad, res, query) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_QUERY_POST), \
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GstTracerHookPadQueryPost, (GST_TRACER_ARGS, pad, res, query)); \
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}G_STMT_END
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typedef void (*GstTracerHookElementPostMessagePre) (GObject *, GstClockTime,
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GstElement *, GstMessage *);
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#define GST_TRACER_ELEMENT_POST_MESSAGE_PRE(element, message) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_POST_MESSAGE_PRE), \
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GstTracerHookElementPostMessagePre, (GST_TRACER_ARGS, element, message)); \
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}G_STMT_END
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typedef void (*GstTracerHookElementPostMessagePost) (GObject *, GstClockTime,
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GstElement *, gboolean);
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#define GST_TRACER_ELEMENT_POST_MESSAGE_POST(element, res) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_POST_MESSAGE_POST), \
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GstTracerHookElementPostMessagePost, (GST_TRACER_ARGS, element, res)); \
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}G_STMT_END
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typedef void (*GstTracerHookElementQueryPre) (GObject *, GstClockTime,
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GstElement *, GstQuery *);
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#define GST_TRACER_ELEMENT_QUERY_PRE(element, query) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_QUERY_PRE), \
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GstTracerHookElementQueryPre, (GST_TRACER_ARGS, element, query)); \
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}G_STMT_END
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typedef void (*GstTracerHookElementQueryPost) (GObject *, GstClockTime,
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GstElement *, gboolean);
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#define GST_TRACER_ELEMENT_QUERY_POST(element, res) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_QUERY_POST), \
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GstTracerHookElementQueryPost, (GST_TRACER_ARGS, element, res)); \
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}G_STMT_END
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typedef void (*GstTracerHookElementNew) (GObject *, GstClockTime,
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GstElement *);
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#define GST_TRACER_ELEMENT_NEW(element) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_NEW), \
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GstTracerHookElementNew, (GST_TRACER_ARGS, element)); \
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}G_STMT_END
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typedef void (*GstTracerHookElementAddPad) (GObject *, GstClockTime,
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GstElement *, GstPad *);
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#define GST_TRACER_ELEMENT_ADD_PAD(element, pad) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_ADD_PAD), \
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GstTracerHookElementAddPad, (GST_TRACER_ARGS, element, pad)); \
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}G_STMT_END
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typedef void (*GstTracerHookElementRemovePad) (GObject *, GstClockTime,
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GstElement *, GstPad *);
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#define GST_TRACER_ELEMENT_REMOVE_PAD(element, pad) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_REMOVE_PAD), \
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GstTracerHookElementRemovePad, (GST_TRACER_ARGS, element, pad)); \
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}G_STMT_END
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typedef void (*GstTracerHookElementChangeStatePre) (GObject *, GstClockTime,
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GstElement *, GstStateChange);
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#define GST_TRACER_ELEMENT_CHANGE_STATE_PRE(element, transition) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_CHANGE_STATE_PRE), \
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GstTracerHookElementChangeStatePre, (GST_TRACER_ARGS, element, transition)); \
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}G_STMT_END
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typedef void (*GstTracerHookElementChangeStatePost) (GObject *, GstClockTime,
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GstElement *, GstStateChange, GstStateChangeReturn);
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#define GST_TRACER_ELEMENT_CHANGE_STATE_POST(element, transition, result) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_ELEMENT_CHANGE_STATE_POST), \
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GstTracerHookElementChangeStatePost, (GST_TRACER_ARGS, element, transition, result)); \
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}G_STMT_END
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typedef void (*GstTracerHookBinAddPre) (GObject *, GstClockTime,
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GstBin *, GstElement *);
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#define GST_TRACER_BIN_ADD_PRE(bin, element) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_ADD_PRE), \
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GstTracerHookBinAddPre, (GST_TRACER_ARGS, bin, element)); \
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}G_STMT_END
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typedef void (*GstTracerHookBinAddPost) (GObject *, GstClockTime,
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GstBin *, GstElement *, gboolean);
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#define GST_TRACER_BIN_ADD_POST(bin, element, result) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_ADD_POST), \
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GstTracerHookBinAddPost, (GST_TRACER_ARGS, bin, element, result)); \
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}G_STMT_END
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typedef void (*GstTracerHookBinRemovePre) (GObject *, GstClockTime,
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GstBin *, GstElement *);
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#define GST_TRACER_BIN_REMOVE_PRE(bin, element) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_REMOVE_PRE), \
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GstTracerHookBinRemovePre, (GST_TRACER_ARGS, bin, element)); \
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}G_STMT_END
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typedef void (*GstTracerHookBinRemovePost) (GObject *, GstClockTime,
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GstBin *, gboolean);
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#define GST_TRACER_BIN_REMOVE_POST(bin, result) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_BIN_REMOVE_POST), \
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GstTracerHookBinRemovePost, (GST_TRACER_ARGS, bin, result)); \
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}G_STMT_END
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typedef void (*GstTracerHookPadLinkPre) (GObject *, GstClockTime,
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GstPad *, GstPad *);
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#define GST_TRACER_PAD_LINK_PRE(srcpad, sinkpad) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_LINK_PRE), \
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GstTracerHookPadLinkPre, (GST_TRACER_ARGS, srcpad, sinkpad)); \
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}G_STMT_END
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typedef void (*GstTracerHookPadLinkPost) (GObject *, GstClockTime,
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GstPad *, GstPad *, GstPadLinkReturn);
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#define GST_TRACER_PAD_LINK_POST(srcpad, sinkpad, result) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_LINK_POST), \
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GstTracerHookPadLinkPost, (GST_TRACER_ARGS, srcpad, sinkpad, result)); \
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}G_STMT_END
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typedef void (*GstTracerHookPadUnlinkPre) (GObject *, GstClockTime,
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GstPad *, GstPad *);
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#define GST_TRACER_PAD_UNLINK_PRE(srcpad, sinkpad) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_UNLINK_PRE), \
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GstTracerHookPadUnlinkPre, (GST_TRACER_ARGS, srcpad, sinkpad)); \
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}G_STMT_END
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typedef void (*GstTracerHookPadUnlinkPost) (GObject *, GstClockTime,
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GstPad *, GstPad *, gboolean);
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#define GST_TRACER_PAD_UNLINK_POST(srcpad, sinkpad, result) G_STMT_START{ \
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GST_TRACER_DISPATCH(GST_TRACER_QUARK(HOOK_PAD_UNLINK_POST), \
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GstTracerHookPadUnlinkPost, (GST_TRACER_ARGS, srcpad, sinkpad, result)); \
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}G_STMT_END
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#else /* !GST_DISABLE_GST_DEBUG */
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#define GST_TRACER_PAD_PUSH_PRE(pad, buffer)
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#define GST_TRACER_PAD_PUSH_POST(pad, res)
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#define GST_TRACER_PAD_PUSH_LIST_PRE(pad, list)
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#define GST_TRACER_PAD_PUSH_LIST_POST(pad, res)
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#define GST_TRACER_PAD_PULL_RANGE_PRE(pad, offset, size)
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#define GST_TRACER_PAD_PULL_RANGE_POST(pad, buffer, res)
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#define GST_TRACER_PAD_PUSH_EVENT_PRE(pad, event)
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#define GST_TRACER_PAD_PUSH_EVENT_POST(pad, res)
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#define GST_TRACER_PAD_QUERY_PRE(pad, query)
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#define GST_TRACER_PAD_QUERY_POST(pad, res, query)
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#define GST_TRACER_ELEMENT_POST_MESSAGE_PRE(element, message)
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#define GST_TRACER_ELEMENT_POST_MESSAGE_POST(element, res)
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#define GST_TRACER_ELEMENT_QUERY_PRE(element, query)
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#define GST_TRACER_ELEMENT_QUERY_POST(element, res)
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#define GST_TRACER_ELEMENT_NEW(element)
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#define GST_TRACER_ELEMENT_ADD_PAD(element, pad)
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#define GST_TRACER_ELEMENT_REMOVE_PAD(element, pad)
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#define GST_TRACER_ELEMENT_CHANGE_STATE_PRE(element, transition)
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#define GST_TRACER_ELEMENT_CHANGE_STATE_POST(element, transition, res)
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#define GST_TRACER_BIN_ADD_PRE(bin, element)
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#define GST_TRACER_BIN_ADD_POST(bin, element, res)
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#define GST_TRACER_BIN_REMOVE_PRE(bin, element)
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#define GST_TRACER_BIN_REMOVE_POST(bin, res)
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#define GST_TRACER_PAD_LINK_PRE(srcpad, sinkpad)
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#define GST_TRACER_PAD_LINK_POST(srcpad, sinkpad, res)
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#define GST_TRACER_PAD_UNLINK_PRE(srcpad, sinkpad)
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#define GST_TRACER_PAD_UNLINK_POST(srcpad, sinkpad, res)
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#endif /* GST_DISABLE_GST_DEBUG */
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G_END_DECLS
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#endif /* __GST_TRACER_UTILS_H__ */
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