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/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstsinesrc.h:
*
* 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_SINESRC_H__
#define __GST_SINESRC_H__
#include <config.h>
#include <gst/gst.h>
#include <gst/meta/audioraw.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
GstElementDetails gst_sinesrc_details;
#define GST_TYPE_SINESRC \
(gst_sinesrc_get_type())
#define GST_SINESRC(obj) \
(GTK_CHECK_CAST((obj),GST_TYPE_SINESRC,GstSineSrc))
#define GST_SINESRC_CLASS(klass) \
(GTK_CHECK_CLASS_CAST((klass),GST_TYPE_SINESRC,GstSineSrcClass))
#define GST_IS_SINESRC(obj) \
(GTK_CHECK_TYPE((obj),GST_TYPE_SINESRC))
#define GST_IS_SINESRC_CLASS(obj) \
(GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_SINESRC))
typedef struct _GstSineSrc GstSineSrc;
typedef struct _GstSineSrcClass GstSineSrcClass;
struct _GstSineSrc {
GstElement element;
/* pads */
GstPad *srcpad;
/* parameters */
gdouble volume;
gdouble vol_scale;
gdouble freq;
/* lookup table data */
gfloat *table_data;
gdouble table_pos;
gdouble table_inc;
gint table_size;
gdouble table_interp;
gint table_lookup;
gint table_lookup_next;
/* audio parameters */
gint format;
gint samplerate;
gint buffer_size;
gulong seq;
MetaAudioRaw meta;
gboolean sentmeta;
};
struct _GstSineSrcClass {
GstElementClass parent_class;
};
GtkType gst_sinesrc_get_type(void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GST_SINESRC_H__ */
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