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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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dba80e1cf5
Original commit message from CVS: a G_GNUC_CONST function is not allowed to change global memory, so it is not suited for _get_type() functions. Backport Makefile addition from HEAD.
81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wim.taymans@chello.be>
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*
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* gstprobe.h: Header for GstProbe object
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_PROBE_H__
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#define __GST_PROBE_H__
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#include <glib.h>
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#include <gst/gstdata.h>
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G_BEGIN_DECLS
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#define GST_TYPE_PROBE (gst_probe_get_type())
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#define GST_PROBE(object) ((GstProbe *) object)
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typedef struct _GstProbe GstProbe;
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GType gst_probe_get_type (void);
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/* the callback should return FALSE if the data should be discarded */
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typedef gboolean (*GstProbeCallback) (GstProbe *probe,
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GstData **data,
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gpointer user_data);
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struct _GstProbe {
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gboolean single_shot;
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GstProbeCallback callback;
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gpointer user_data;
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};
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GstProbe* gst_probe_new (gboolean single_shot,
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GstProbeCallback callback,
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gpointer user_data);
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void gst_probe_destroy (GstProbe *probe);
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gboolean gst_probe_perform (GstProbe *probe, GstData **data);
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typedef struct _GstProbeDispatcher GstProbeDispatcher;
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struct _GstProbeDispatcher {
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gboolean active;
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GSList *probes;
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};
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GstProbeDispatcher* gst_probe_dispatcher_new (void);
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void gst_probe_dispatcher_destroy (GstProbeDispatcher *disp);
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void gst_probe_dispatcher_init (GstProbeDispatcher *disp);
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void gst_probe_dispatcher_set_active (GstProbeDispatcher *disp, gboolean active);
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void gst_probe_dispatcher_add_probe (GstProbeDispatcher *disp, GstProbe *probe);
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void gst_probe_dispatcher_remove_probe (GstProbeDispatcher *disp, GstProbe *probe);
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gboolean gst_probe_dispatcher_dispatch (GstProbeDispatcher *disp, GstData **data);
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G_END_DECLS
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#endif /* __GST_PROBE_H__ */
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