gstreamer/gst/gsttracer.h

115 lines
3.2 KiB
C

/* GStreamer
* Copyright (C) 2013 Stefan Sauer <ensonic@users.sf.net>
*
* gsttracer.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_H__
#define __GST_TRACER_H__
#include <glib.h>
#include <glib-object.h>
#include <gst/gstconfig.h>
#include <gst/gstbin.h>
G_BEGIN_DECLS
#ifndef GST_DISABLE_GST_DEBUG
/* hook flags and ids */
typedef enum
{
GST_TRACER_HOOK_NONE = 0,
GST_TRACER_HOOK_BUFFERS = (1 << 0),
GST_TRACER_HOOK_EVENTS = (1 << 1),
GST_TRACER_HOOK_MESSAGES = (1 << 2),
GST_TRACER_HOOK_QUERIES = (1 << 3),
GST_TRACER_HOOK_TOPOLOGY = (1 << 4),
/*
GST_TRACER_HOOK_TIMER
*/
GST_TRACER_HOOK_ALL = (1 << 5) - 1
} GstTracerHook;
typedef enum
{
GST_TRACER_HOOK_ID_BUFFERS = 0,
GST_TRACER_HOOK_ID_EVENTS,
GST_TRACER_HOOK_ID_MESSAGES,
GST_TRACER_HOOK_ID_QUERIES,
GST_TRACER_HOOK_ID_TOPLOGY,
/*
GST_TRACER_HOOK_ID_TIMER
*/
GST_TRACER_HOOK_ID_LAST
} GstTracerHookId;
/* tracing plugins */
typedef struct _GstTracer GstTracer;
typedef struct _GstTracerPrivate GstTracerPrivate;
typedef struct _GstTracerClass GstTracerClass;
#define GST_TYPE_TRACER (gst_tracer_get_type())
#define GST_TRACER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TRACER,GstTracer))
#define GST_TRACER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TRACER,GstTracerClass))
#define GST_IS_TRACER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TRACER))
#define GST_IS_TRACER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TRACER))
#define GST_TRACER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_TRACER,GstTracerClass))
#define GST_TRACER_CAST(obj) ((GstTracer *)(obj))
struct _GstTracer {
GstObject parent;
/*< private >*/
GstTracerPrivate *priv;
gpointer _gst_reserved[GST_PADDING];
};
typedef void (*GstTracerInvokeFunction) (GstStructure *s);
struct _GstTracerClass {
GstObjectClass parent_class;
/* plugin vmethods */
GstTracerInvokeFunction invoke;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
GType gst_tracer_get_type (void);
/* tracing hooks */
void _priv_gst_tracer_init (void);
void _priv_gst_tracer_deinit (void);
gboolean gst_tracer_register (GstPlugin * plugin, const gchar * name, GType type);
gboolean gst_tracer_is_enabled (GstTracerHookId id);
void gst_tracer_push_buffer_pre (GstPad *pad, GstBuffer *buffer);
void gst_tracer_push_buffer_post (GstPad *pad, GstFlowReturn res);
#endif /* GST_DISABLE_GST_DEBUG */
G_END_DECLS
#endif /* __GST_TRACER_H__ */