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a38d06cb1c
Functions that require NULL as their last vararg are marked so the compiler can warn on missing NULL. Also, document the NULL terminator for gst_make_element_message_details() and gst_tracer_record_new(). https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/669 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/774>
106 lines
3.8 KiB
C
106 lines
3.8 KiB
C
/* GStreamer
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* Copyright (C) 2016 Stefan Sauer <ensonic@users.sf.net>
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*
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* gsttracerrecord.h: tracer log record 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_RECORD_H__
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#define __GST_TRACER_RECORD_H__
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#include <gst/gstobject.h>
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G_BEGIN_DECLS
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/**
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* GstTracerRecord:
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*
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* The opaque GstTracerRecord instance structure
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*
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* Since: 1.8
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*/
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typedef struct _GstTracerRecord GstTracerRecord;
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typedef struct _GstTracerRecordClass GstTracerRecordClass;
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#define GST_TYPE_TRACER_RECORD (gst_tracer_record_get_type())
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#define GST_TRACER_RECORD(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TRACER_RECORD,GstTracerRecord))
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#define GST_TRACER_RECORD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TRACER_RECORD,GstTracerRecordClass))
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#define GST_IS_TRACER_RECORD(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TRACER_RECORD))
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#define GST_IS_TRACER_RECORD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TRACER_RECORD))
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#define GST_TRACER_RECORD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_TRACER_RECORD,GstTracerRecordClass))
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#define GST_TRACER_RECORD_CAST(obj) ((GstTracerRecord *)(obj))
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GST_API
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GType gst_tracer_record_get_type (void);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstTracerRecord, gst_object_unref)
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/**
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* GstTracerValueScope:
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* @GST_TRACER_VALUE_SCOPE_PROCESS: the value is related to the process
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* @GST_TRACER_VALUE_SCOPE_THREAD: the value is related to a thread
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* @GST_TRACER_VALUE_SCOPE_ELEMENT: the value is related to an #GstElement
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* @GST_TRACER_VALUE_SCOPE_PAD: the value is related to a #GstPad
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*
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* Tracing record will contain fields that contain a measured value or extra
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* meta-data. One such meta data are values that tell where a measurement was
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* taken. This enumerating declares to which scope such a meta data field
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* relates to. If it is e.g. %GST_TRACER_VALUE_SCOPE_PAD, then each of the log
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* events may contain values for different #GstPads.
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*
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* Since: 1.8
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*/
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typedef enum
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{
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GST_TRACER_VALUE_SCOPE_PROCESS,
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GST_TRACER_VALUE_SCOPE_THREAD,
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GST_TRACER_VALUE_SCOPE_ELEMENT,
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GST_TRACER_VALUE_SCOPE_PAD
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} GstTracerValueScope;
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/**
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* GstTracerValueFlags:
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* @GST_TRACER_VALUE_FLAGS_NONE: no flags
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* @GST_TRACER_VALUE_FLAGS_OPTIONAL: the value is optional. When using this flag
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* one need to have an additional boolean arg before this value in the
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* var-args list passed to gst_tracer_record_log().
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* @GST_TRACER_VALUE_FLAGS_AGGREGATED: the value is a combined figure, since the
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* start of tracing. Examples are averages or timestamps.
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*
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* Flag that describe the value. These flags help applications processing the
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* logs to understand the values.
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*/
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typedef enum
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{
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GST_TRACER_VALUE_FLAGS_NONE = 0,
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GST_TRACER_VALUE_FLAGS_OPTIONAL = (1 << 0),
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GST_TRACER_VALUE_FLAGS_AGGREGATED = (1 << 1),
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} GstTracerValueFlags;
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GST_API
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GstTracerRecord * gst_tracer_record_new (const gchar * name, const gchar * firstfield, ...) G_GNUC_NULL_TERMINATED;
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#ifndef GST_DISABLE_GST_DEBUG
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GST_API
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void gst_tracer_record_log (GstTracerRecord *self, ...);
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#else
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#define gst_tracer_record_log(...) G_STMT_START {} G_STMT_END
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#endif
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G_END_DECLS
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#endif /* __GST_TRACER_RECORD_H__ */
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