/* 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__ */