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/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wim.taymans@chello.be>
*
* gstprobe.h: Header for GstProbe object
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_PROBE_H__
#define __GST_PROBE_H__
#include <glib.h>
#include <gst/gstdata.h>
G_BEGIN_DECLS
typedef struct _GstProbe GstProbe;
/* the callback should return FALSE if the data should be discarded */
typedef gboolean (*GstProbeCallback) (GstProbe *probe,
GstData **data,
gpointer user_data);
struct _GstProbe {
gboolean single_shot;
GstProbeCallback callback;
gpointer user_data;
};
GstProbe* gst_probe_new (gboolean single_shot,
GstProbeCallback callback,
gpointer user_data);
void gst_probe_destroy (GstProbe *probe);
gboolean gst_probe_perform (GstProbe *probe, GstData **data);
typedef struct _GstProbeDispatcher GstProbeDispatcher;
struct _GstProbeDispatcher {
gboolean active;
GSList *probes;
};
GstProbeDispatcher* gst_probe_dispatcher_new (void);
void gst_probe_dispatcher_destroy (GstProbeDispatcher *disp);
void gst_probe_dispatcher_init (GstProbeDispatcher *disp);
void gst_probe_dispatcher_set_active (GstProbeDispatcher *disp, gboolean active);
void gst_probe_dispatcher_add_probe (GstProbeDispatcher *disp, GstProbe *probe);
void gst_probe_dispatcher_remove_probe (GstProbeDispatcher *disp, GstProbe *probe);
gboolean gst_probe_dispatcher_dispatch (GstProbeDispatcher *disp, GstData **data);
G_END_DECLS
#endif /* __GST_PAD_H__ */
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