gstreamer/gst/audiovisualizers/gstwavescope.h

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/* GStreamer
* Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net>
*
* gstwavescope.h: simple oscilloscope
*
* 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_WAVE_SCOPE_H__
#define __GST_WAVE_SCOPE_H__
#include "gst/pbutils/gstaudiovisualizer.h"
G_BEGIN_DECLS
#define GST_TYPE_WAVE_SCOPE (gst_wave_scope_get_type())
#define GST_WAVE_SCOPE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WAVE_SCOPE,GstWaveScope))
#define GST_WAVE_SCOPE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WAVE_SCOPE,GstWaveScopeClass))
#define GST_IS_WAVE_SCOPE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WAVE_SCOPE))
#define GST_IS_WAVE_SCOPE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_WAVE_SCOPE))
typedef struct _GstWaveScope GstWaveScope;
typedef struct _GstWaveScopeClass GstWaveScopeClass;
typedef void (*GstWaveScopeProcessFunc) (GstAudioVisualizer *, guint32 *, gint16 *, guint);
struct _GstWaveScope
{
GstAudioVisualizer parent;
/* < private > */
GstWaveScopeProcessFunc process;
gint style;
/* filter specific data */
gdouble *flt;
};
struct _GstWaveScopeClass
{
GstAudioVisualizerClass parent_class;
};
GType gst_wave_scope_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (wavescope);
G_END_DECLS
#endif /* __GST_WAVE_SCOPE_H__ */