gstreamer/subprojects/gst-plugins-bad/gst/audiovisualizers/gstspectrascope.h

55 lines
1.9 KiB
C

/* GStreamer
* Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net>
*
* gstspectrascope.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_SPECTRA_SCOPE_H__
#define __GST_SPECTRA_SCOPE_H__
#include "gst/pbutils/gstaudiovisualizer.h"
#include <gst/fft/gstffts16.h>
G_BEGIN_DECLS
#define GST_TYPE_SPECTRA_SCOPE (gst_spectra_scope_get_type())
#define GST_SPECTRA_SCOPE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SPECTRA_SCOPE,GstSpectraScope))
#define GST_SPECTRA_SCOPE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SPECTRA_SCOPE,GstSpectraScopeClass))
#define GST_IS_SPECTRA_SCOPE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SPECTRA_SCOPE))
#define GST_IS_SPECTRA_SCOPE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SPECTRA_SCOPE))
typedef struct _GstSpectraScope GstSpectraScope;
typedef struct _GstSpectraScopeClass GstSpectraScopeClass;
struct _GstSpectraScope
{
GstAudioVisualizer parent;
GstFFTS16 *fft_ctx;
GstFFTS16Complex *freq_data;
};
struct _GstSpectraScopeClass
{
GstAudioVisualizerClass parent_class;
};
GType gst_spectra_scope_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (spectrascope);
G_END_DECLS
#endif /* __GST_SPECTRA_SCOPE_H__ */