gstreamer/gst/gstprobe.h
Wim Taymans b43d8f1006 gst/: Backport HEAD changes, mostly docs.
Original commit message from CVS:
* gst/gst_private.h:
* gst/gstbin.c: (gst_bin_get_by_name_recurse_up):
* gst/gstbuffer.h:
* gst/gstclock.c: (gst_clock_id_ref), (gst_clock_id_unref),
(gst_clock_id_compare_func), (gst_clock_id_wait),
(gst_clock_id_wait_async), (gst_clock_init),
(gst_clock_adjust_unlocked), (gst_clock_get_time):
* gst/gstclock.h:
* gst/gstelement.c: (gst_element_class_init),
(gst_element_get_random_pad), (gst_element_get_state_func),
(gst_element_lost_state):
* gst/gstelement.h:
* gst/gstelementfactory.c: (gst_element_register):
* gst/gstiterator.c:
* gst/gstobject.c: (gst_object_set_parent):
* gst/gstobject.h:
* gst/gstpad.c: (gst_pad_push), (gst_pad_pull_range),
(gst_pad_query):
* gst/gstpad.h:
* gst/gstplugin.h:
* gst/gstprobe.h:
* gst/parse/parse.l:
* gst/registries/gstxmlregistry.c: (gst_xml_registry_load):
Backport HEAD changes, mostly docs.
Fix possible deadlock in _get_random_pad.
2005-03-09 11:05:00 +00:00

80 lines
2.4 KiB
C

/* 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
#define GST_TYPE_PROBE (gst_probe_get_type())
#define GST_PROBE(object) ((GstProbe *) object)
typedef struct _GstProbe GstProbe;
GType gst_probe_get_type (void) G_GNUC_CONST;
/* 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_PROBE_H__ */