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> */
32 #endif /* __cplusplus */
35 #define GST_TYPE_CUTTER \
36 (gst_cutter_get_type())
37 #define GST_CUTTER(obj) \
38 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CUTTER,GstCutter))
39 #define GST_CUTTER_CLASS(klass) \
40 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CUTTER,GstCutter))
41 #define GST_IS_CUTTER(obj) \
42 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CUTTER))
43 #define GST_IS_CUTTER_CLASS(obj) \
44 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CUTTER))
46 typedef struct _GstCutter GstCutter;
47 typedef struct _GstCutterClass GstCutterClass;
53 GstPad *sinkpad, *srcpad;
55 double threshold_level; /* level below which to cut */
56 double threshold_length; /* how long signal has to remain
57 * below this level before cutting */
59 double silent_run_length; /* how long has it been below threshold ? */
62 double pre_length; /* how long can the pre-record buffer be ? */
63 double pre_run_length; /* how long is it currently ? */
64 GList *pre_buffer; /* list of GstBuffers in pre-record buffer */
65 gboolean leaky; /* do we leak an overflowing prebuffer ? */
67 gboolean have_caps; /* did we get the needed caps yet ? */
68 gint width; /* bit width of data */
69 long max_sample; /* maximum sample value */
72 struct _GstCutterClass
74 GstElementClass parent_class;
75 void (*cut_start) (GstCutter * filter);
76 void (*cut_stop) (GstCutter * filter);
79 GType gst_cutter_get_type (void);
83 #endif /* __cplusplus */
86 #endif /* __GST_STEREO_H__ */