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., 59 Temple Place - Suite 330,

    18  * Boston, MA 02111-1307, 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/gst_global.h>

    26 #include <gst/base/gstbasetransform.h>

    27 #include <gst/audio/audio.h>

    28 #include <gst/audio/gstaudiofilter.h>

    29 

    30 #include "audiofxbaseiirfilter.h"

    31 

    32 G_BEGIN_DECLS

    33 #define GST_TYPE_AUDIO_CHEB_BAND            (gst_audio_cheb_band_get_type())

    34 #define GST_AUDIO_CHEB_BAND(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_CHEB_BAND,GstAudioChebBand))

    35 #define GST_IS_AUDIO_CHEB_BAND(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_CHEB_BAND))

    36 #define GST_AUDIO_CHEB_BAND_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AUDIO_CHEB_BAND,GstAudioChebBandClass))

    37 #define GST_IS_AUDIO_CHEB_BAND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AUDIO_CHEB_BAND))

    38 #define GST_AUDIO_CHEB_BAND_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AUDIO_CHEB_BAND,GstAudioChebBandClass))

    39 typedef struct _GstAudioChebBand GstAudioChebBand;

    40 typedef struct _GstAudioChebBandClass GstAudioChebBandClass;

    41 

    42 struct _GstAudioChebBand

    43 {

    44   GstAudioFXBaseIIRFilter parent;

    45 

    46   gint mode;

    47   gint type;

    48   gint poles;

    49   gfloat lower_frequency;

    50   gfloat upper_frequency;

    51   gfloat ripple;

    52 

    53   /* < private > */

    54   GMutex *lock;

    55 };

    56 

    57 struct _GstAudioChebBandClass

    58 {

    59   GstAudioFXBaseIIRFilterClass parent;

    60 };

    61 #ifdef __SYMBIAN32__

    62 IMPORT_C

    63 #endif

    64 

    65 

    66 GType gst_audio_cheb_band_get_type (void);

    67 

    68 G_END_DECLS

    69 #endif /* __GST_AUDIO_CHEB_BAND_H__ */