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_LIMIT_H__

    22 #define __GST_AUDIO_CHEB_LIMIT_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 

    34 #define GST_TYPE_AUDIO_CHEB_LIMIT            (gst_audio_cheb_limit_get_type())

    35 #define GST_AUDIO_CHEB_LIMIT(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_CHEB_LIMIT,GstAudioChebLimit))

    36 #define GST_IS_AUDIO_CHEB_LIMIT(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_CHEB_LIMIT))

    37 #define GST_AUDIO_CHEB_LIMIT_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AUDIO_CHEB_LIMIT,GstAudioChebLimitClass))

    38 #define GST_IS_AUDIO_CHEB_LIMIT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AUDIO_CHEB_LIMIT))

    39 #define GST_AUDIO_CHEB_LIMIT_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AUDIO_CHEB_LIMIT,GstAudioChebLimitClass))

    40 

    41 typedef struct _GstAudioChebLimit GstAudioChebLimit;

    42 typedef struct _GstAudioChebLimitClass GstAudioChebLimitClass;

    43 

    44 struct _GstAudioChebLimit

    45 {

    46   GstAudioFXBaseIIRFilter parent;

    47 

    48   gint mode;

    49   gint type;

    50   gint poles;

    51   gfloat cutoff;

    52   gfloat ripple;

    53 

    54   /* < private > */

    55   GMutex *lock;

    56 };

    57 

    58 struct _GstAudioChebLimitClass

    59 {

    60   GstAudioFXBaseIIRFilterClass parent;

    61 };

    62 #ifdef __SYMBIAN32__

    63 IMPORT_C

    64 #endif

    65 

    66 

    67 GType gst_audio_cheb_limit_get_type (void);

    68 

    69 G_END_DECLS

    70 

    71 #endif /* __GST_AUDIO_CHEB_LIMIT_H__ */