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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_CUTTER_H__
#define __GST_CUTTER_H__
#include <gst/gst.h>
/* #include <gst/meta/audioraw.h> */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define GST_TYPE_CUTTER \
(gst_cutter_get_type())
#define GST_CUTTER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CUTTER,GstCutter))
#define GST_CUTTER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CUTTER,GstCutterClass))
#define GST_IS_CUTTER(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CUTTER))
#define GST_IS_CUTTER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CUTTER))
typedef struct _GstCutter GstCutter;
typedef struct _GstCutterClass GstCutterClass;
struct _GstCutter
{
GstElement element;
GstPad *sinkpad, *srcpad;
double threshold_level; /* level below which to cut */
double threshold_length; /* how long signal has to remain
* below this level before cutting */
double silent_run_length; /* how long has it been below threshold ? */
gboolean silent;
gboolean silent_prev;
double pre_length; /* how long can the pre-record buffer be ? */
double pre_run_length; /* how long is it currently ? */
GList *pre_buffer; /* list of GstBuffers in pre-record buffer */
gboolean leaky; /* do we leak an overflowing prebuffer ? */
GstAudioInfo info;
};
struct _GstCutterClass
{
GstElementClass parent_class;
void (*cut_start) (GstCutter* filter);
void (*cut_stop) (GstCutter* filter);
};
GType gst_cutter_get_type (void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GST_STEREO_H__ */
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