mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-27 10:40:34 +00:00
83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/* 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__ */
|