1 /* 

     2  * GStreamer

     3  * Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org>

     4  * Copyright (C) 2006 Stefan Kost <ensonic@users.sf.net>

     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., 59 Temple Place - Suite 330,

    19  * Boston, MA 02111-1307, USA.

    20  */

    21 

    22 #ifndef __GST_AUDIO_INVERT_H__

    23 #define __GST_AUDIO_INVERT_H__

    24 

    25 #include <gst/gst.h>

    26 #include <gst/gst_global.h>

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

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

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

    30 

    31 G_BEGIN_DECLS

    32 #define GST_TYPE_AUDIO_INVERT            (gst_audio_invert_get_type())

    33 #define GST_AUDIO_INVERT(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_INVERT,GstAudioInvert))

    34 #define GST_IS_AUDIO_INVERT(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_INVERT))

    35 #define GST_AUDIO_INVERT_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AUDIO_INVERT,GstAudioInvertClass))

    36 #define GST_IS_AUDIO_INVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AUDIO_INVERT))

    37 #define GST_AUDIO_INVERT_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AUDIO_INVERT,GstAudioInvertClass))

    38 typedef struct _GstAudioInvert GstAudioInvert;

    39 typedef struct _GstAudioInvertClass GstAudioInvertClass;

    40 

    41 typedef void (*GstAudioInvertProcessFunc) (GstAudioInvert *, guint8 *, guint);

    42 

    43 struct _GstAudioInvert

    44 {

    45   GstAudioFilter audiofilter;

    46 

    47   gfloat degree;

    48 

    49   /* < private > */

    50   GstAudioInvertProcessFunc process;

    51 };

    52 

    53 struct _GstAudioInvertClass

    54 {

    55   GstAudioFilterClass parent;

    56 };

    57 #ifdef __SYMBIAN32__

    58 IMPORT_C

    59 #endif

    60 

    61 

    62 GType gst_audio_invert_get_type (void);

    63 

    64 G_END_DECLS

    65 #endif /* __GST_AUDIO_INVERT_H__ */