1 /* 2 * GStreamer 3 * Copyright (C) 2007-2009 Sebastian Dröge <sebastian.droege@collabora.co.uk> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public 16 * License along with this library; if not, write to the 17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #ifndef __GST_AUDIO_CHEB_BAND_H__ 22 #define __GST_AUDIO_CHEB_BAND_H__ 23 24 #include <gst/gst.h> 25 #include <gst/base/gstbasetransform.h> 26 #include <gst/audio/audio.h> 27 #include <gst/audio/gstaudiofilter.h> 28 29 #include "audiofxbaseiirfilter.h" 30 31 G_BEGIN_DECLS 32 #define GST_TYPE_AUDIO_CHEB_BAND (gst_audio_cheb_band_get_type()) 33 #define GST_AUDIO_CHEB_BAND(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_CHEB_BAND,GstAudioChebBand)) 34 #define GST_IS_AUDIO_CHEB_BAND(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_CHEB_BAND)) 35 #define GST_AUDIO_CHEB_BAND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AUDIO_CHEB_BAND,GstAudioChebBandClass)) 36 #define GST_IS_AUDIO_CHEB_BAND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AUDIO_CHEB_BAND)) 37 #define GST_AUDIO_CHEB_BAND_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AUDIO_CHEB_BAND,GstAudioChebBandClass)) 38 typedef struct _GstAudioChebBand GstAudioChebBand; 39 typedef struct _GstAudioChebBandClass GstAudioChebBandClass; 40 41 struct _GstAudioChebBand 42 { 43 GstAudioFXBaseIIRFilter parent; 44 45 gint mode; 46 gint type; 47 gint poles; 48 gfloat lower_frequency; 49 gfloat upper_frequency; 50 gfloat ripple; 51 52 /* < private > */ 53 GMutex lock; 54 }; 55 56 struct _GstAudioChebBandClass 57 { 58 GstAudioFXBaseIIRFilterClass parent; 59 }; 60 61 GType gst_audio_cheb_band_get_type (void); 62 63 GST_ELEMENT_REGISTER_DECLARE (audiochebband); 64 65 G_END_DECLS 66 #endif /* __GST_AUDIO_CHEB_BAND_H__ */ 67