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/* -*- c-basic-offset: 2 -*-
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_SPEED_H__
#define __GST_SPEED_H__
#include <config.h>
#include <gst/gst.h>
/* #include <gst/meta/audioraw.h> */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define GST_TYPE_SPEED \
(gst_speed_get_type())
#define GST_SPEED(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SPEED,GstSpeed))
#define GST_SPEED_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstSpeed))
#define GST_IS_SPEED(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SPEED))
#define GST_IS_SPEED_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SPEED))
typedef struct _GstSpeed GstSpeed;
typedef struct _GstSpeedClass GstSpeedClass;
typedef enum _GstSpeedFormat GstSpeedFormat;
enum _GstSpeedFormat {
GST_SPEED_FORMAT_INT,
GST_SPEED_FORMAT_FLOAT
};
struct _GstSpeed {
GstElement element;
GstPad *sinkpad, *srcpad;
GstBufferPool *sinkpool, *srcpool;
gboolean silent;
gfloat speed;
/* the next three are valid for both int and float */
GstSpeedFormat format;
guint rate;
guint channels;
/* the next five are valid only for format==GST_SPEED_FORMAT_INT */
guint width;
guint depth;
guint endianness;
guint law;
gboolean is_signed;
/* the next three are valid only for format==GST_SPEED_FORMAT_FLOAT */
const gchar *layout;
gfloat slope;
gfloat intercept;
};
struct _GstSpeedClass {
GstElementClass parent_class;
};
GType gst_speed_get_type(void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GST_SPEED_H__ */
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