2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 #ifndef __GST_CUTTER_H__
22 #define __GST_CUTTER_H__
26 /* #include <gst/meta/audioraw.h> */
31 #endif /* __cplusplus */
34 #define GST_TYPE_CUTTER \
35 (gst_cutter_get_type())
36 #define GST_CUTTER(obj) \
37 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CUTTER,GstCutter))
38 #define GST_CUTTER_CLASS(klass) \
39 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CUTTER,GstCutterClass))
40 #define GST_IS_CUTTER(obj) \
41 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CUTTER))
42 #define GST_IS_CUTTER_CLASS(klass) \
43 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CUTTER))
45 typedef struct _GstCutter GstCutter;
46 typedef struct _GstCutterClass GstCutterClass;
52 GstPad *sinkpad, *srcpad;
54 double threshold_level; /* level below which to cut */
55 double threshold_length; /* how long signal has to remain
56 * below this level before cutting */
57 double silent_run_length; /* how long has it been below threshold ? */
61 double pre_length; /* how long can the pre-record buffer be ? */
62 double pre_run_length; /* how long is it currently ? */
63 GList *pre_buffer; /* list of GstBuffers in pre-record buffer */
64 gboolean leaky; /* do we leak an overflowing prebuffer ? */
69 struct _GstCutterClass
71 GstElementClass parent_class;
72 void (*cut_start) (GstCutter* filter);
73 void (*cut_stop) (GstCutter* filter);
76 GType gst_cutter_get_type (void);
80 #endif /* __cplusplus */
83 #endif /* __GST_STEREO_H__ */