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4881d1c16c
This way one can define new tracing probes without changing the core. We are using our own quark table, as 1) we only want to initialize them if we're tracing, 2) we want to share them with the tracers.
77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/* GStreamer
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* Copyright (C) 2013 Stefan Sauer <ensonic@users.sf.net>
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*
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* gsttracer.h: tracer base class
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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_H__
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#define __GST_TRACER_H__
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#ifndef GST_USE_UNSTABLE_API
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#warning "The tracer subsystem is unstable API and may change in future."
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#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
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#endif
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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/gsttracerutils.h>
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G_BEGIN_DECLS
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typedef struct _GstTracer GstTracer;
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typedef struct _GstTracerPrivate GstTracerPrivate;
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typedef struct _GstTracerClass GstTracerClass;
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#define GST_TYPE_TRACER (gst_tracer_get_type())
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#define GST_TRACER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TRACER,GstTracer))
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#define GST_TRACER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TRACER,GstTracerClass))
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#define GST_IS_TRACER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TRACER))
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#define GST_IS_TRACER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TRACER))
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#define GST_TRACER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_TRACER,GstTracerClass))
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#define GST_TRACER_CAST(obj) ((GstTracer *)(obj))
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struct _GstTracer {
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GstObject parent;
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/*< private >*/
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GstTracerPrivate *priv;
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gpointer _gst_reserved[GST_PADDING];
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};
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typedef void (*GstTracerHookFunction) (GstTracer * self, va_list var_args);
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struct _GstTracerClass {
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GstObjectClass parent_class;
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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GType gst_tracer_get_type (void);
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void gst_tracer_register_hook (GstTracer *tracer, const gchar *detail,
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GstTracerHookFunction func);
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void gst_tracer_register_hook_id (GstTracer *tracer, GQuark detail,
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GstTracerHookFunction func);
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void gst_tracer_log_trace (GstStructure * s);
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G_END_DECLS
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#endif /* __GST_TRACER_H__ */
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