2 * Copyright (C) 2016 Stefan Sauer <ensonic@users.sf.net>
4 * gsttracerrecord.h: tracer log record class
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.
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.
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.
22 #ifndef __GST_TRACER_RECORD_H__
23 #define __GST_TRACER_RECORD_H__
25 #include <gst/gstobject.h>
32 * The opaque GstTracerRecord instance structure
36 typedef struct _GstTracerRecord GstTracerRecord;
37 typedef struct _GstTracerRecordClass GstTracerRecordClass;
39 #define GST_TYPE_TRACER_RECORD (gst_tracer_record_get_type())
40 #define GST_TRACER_RECORD(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TRACER_RECORD,GstTracerRecord))
41 #define GST_TRACER_RECORD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TRACER_RECORD,GstTracerRecordClass))
42 #define GST_IS_TRACER_RECORD(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TRACER_RECORD))
43 #define GST_IS_TRACER_RECORD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TRACER_RECORD))
44 #define GST_TRACER_RECORD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_TRACER_RECORD,GstTracerRecordClass))
45 #define GST_TRACER_RECORD_CAST(obj) ((GstTracerRecord *)(obj))
48 GType gst_tracer_record_get_type (void);
50 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstTracerRecord, gst_object_unref)
53 * GstTracerValueScope:
54 * @GST_TRACER_VALUE_SCOPE_PROCESS: the value is related to the process
55 * @GST_TRACER_VALUE_SCOPE_THREAD: the value is related to a thread
56 * @GST_TRACER_VALUE_SCOPE_ELEMENT: the value is related to an #GstElement
57 * @GST_TRACER_VALUE_SCOPE_PAD: the value is related to a #GstPad
59 * Tracing record will contain fields that contain a measured value or extra
60 * meta-data. One such meta data are values that tell where a measurement was
61 * taken. This enumerating declares to which scope such a meta data field
62 * relates to. If it is e.g. %GST_TRACER_VALUE_SCOPE_PAD, then each of the log
63 * events may contain values for different #GstPads.
69 GST_TRACER_VALUE_SCOPE_PROCESS,
70 GST_TRACER_VALUE_SCOPE_THREAD,
71 GST_TRACER_VALUE_SCOPE_ELEMENT,
72 GST_TRACER_VALUE_SCOPE_PAD
73 } GstTracerValueScope;
76 * GstTracerValueFlags:
77 * @GST_TRACER_VALUE_FLAGS_NONE: no flags
78 * @GST_TRACER_VALUE_FLAGS_OPTIONAL: the value is optional. When using this flag
79 * one need to have an additional boolean arg before this value in the
80 * var-args list passed to gst_tracer_record_log().
81 * @GST_TRACER_VALUE_FLAGS_AGGREGATED: the value is a combined figure, since the
82 * start of tracing. Examples are averages or timestamps.
84 * Flag that describe the value. These flags help applications processing the
85 * logs to understand the values.
89 GST_TRACER_VALUE_FLAGS_NONE = 0,
90 GST_TRACER_VALUE_FLAGS_OPTIONAL = (1 << 0),
91 GST_TRACER_VALUE_FLAGS_AGGREGATED = (1 << 1),
92 } GstTracerValueFlags;
95 GstTracerRecord * gst_tracer_record_new (const gchar * name, const gchar * firstfield, ...) G_GNUC_NULL_TERMINATED;
97 #ifndef GST_DISABLE_GST_DEBUG
99 void gst_tracer_record_log (GstTracerRecord *self, ...);
101 #define gst_tracer_record_log(...) G_STMT_START {} G_STMT_END
106 #endif /* __GST_TRACER_RECORD_H__ */