1 /* GStreamer 2 * Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net> 3 * 4 * gstspectrascope.h: simple oscilloscope 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public 17 * License along with this library; if not, write to the 18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22 #ifndef __GST_SPECTRA_SCOPE_H__ 23 #define __GST_SPECTRA_SCOPE_H__ 24 25 #include "gst/pbutils/gstaudiovisualizer.h" 26 #include <gst/fft/gstffts16.h> 27 28 G_BEGIN_DECLS 29 #define GST_TYPE_SPECTRA_SCOPE (gst_spectra_scope_get_type()) 30 #define GST_SPECTRA_SCOPE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SPECTRA_SCOPE,GstSpectraScope)) 31 #define GST_SPECTRA_SCOPE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SPECTRA_SCOPE,GstSpectraScopeClass)) 32 #define GST_IS_SPECTRA_SCOPE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SPECTRA_SCOPE)) 33 #define GST_IS_SPECTRA_SCOPE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SPECTRA_SCOPE)) 34 typedef struct _GstSpectraScope GstSpectraScope; 35 typedef struct _GstSpectraScopeClass GstSpectraScopeClass; 36 37 struct _GstSpectraScope 38 { 39 GstAudioVisualizer parent; 40 41 GstFFTS16 *fft_ctx; 42 GstFFTS16Complex *freq_data; 43 }; 44 45 struct _GstSpectraScopeClass 46 { 47 GstAudioVisualizerClass parent_class; 48 }; 49 50 GType gst_spectra_scope_get_type (void); 51 52 GST_ELEMENT_REGISTER_DECLARE (spectrascope); 53 54 G_END_DECLS 55 #endif /* __GST_SPECTRA_SCOPE_H__ */ 56