diff -r bc39b352897e -r 69c7080681bf gst_plugins_good/gst/audiofx/audiowsincband.h --- a/gst_plugins_good/gst/audiofx/audiowsincband.h Fri Jul 09 16:26:45 2010 -0500 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,85 +0,0 @@ -/* -*- c-basic-offset: 2 -*- - * - * GStreamer - * Copyright (C) 1999-2001 Erik Walthinsen - * 2006 Dreamlab Technologies Ltd. - * 2007-2009 Sebastian Dröge - * - * 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. - * - * - * this windowed sinc filter is taken from the freely downloadable DSP book, - * "The Scientist and Engineer's Guide to Digital Signal Processing", - * chapter 16 - * available at http://www.dspguide.com/ - * - */ - -#ifndef __GST_AUDIO_WSINC_BAND_H__ -#define __GST_AUDIO_WSINC_BAND_H__ - -#include -#include -#include - -#include "audiofxbasefirfilter.h" - -G_BEGIN_DECLS - -#define GST_TYPE_AUDIO_WSINC_BAND \ - (gst_audio_wsincband_get_type()) -#define GST_AUDIO_WSINC_BAND(obj) \ - (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_WSINC_BAND,GstAudioWSincBand)) -#define GST_AUDIO_WSINC_BAND_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_WSINC_BAND,GstAudioWSincBandClass)) -#define GST_IS_AUDIO_WSINC_BAND(obj) \ - (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_WSINC_BAND)) -#define GST_IS_AUDIO_WSINC_BAND_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_WSINC_BAND)) - -typedef struct _GstAudioWSincBand GstAudioWSincBand; -typedef struct _GstAudioWSincBandClass GstAudioWSincBandClass; - -/** - * GstAudioWSincBand: - * - * Opaque data structure. - */ -struct _GstAudioWSincBand { - GstAudioFXBaseFIRFilter parent; - - gint mode; - gint window; - gfloat lower_frequency, upper_frequency; - gint kernel_length; /* length of the filter kernel */ - - /* < private > */ - GMutex *lock; -}; - -struct _GstAudioWSincBandClass { - GstAudioFilterClass parent; -}; -#ifdef __SYMBIAN32__ -IMPORT_C -#endif - - -GType gst_audio_wsincband_get_type (void); - -G_END_DECLS - -#endif /* __GST_AUDIO_WSINC_BAND_H__ */