1 /*
2  * GStreamer
3  * Copyright (C) 2006 Stefan Kost <ensonic@users.sf.net>
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_PANORAMA_H__
22 #define __GST_AUDIO_PANORAMA_H__
23 
24 #include <gst/gst.h>
25 #include <gst/audio/audio.h>
26 #include <gst/base/gstbasetransform.h>
27 
28 G_BEGIN_DECLS
29 
30 #define GST_TYPE_AUDIO_PANORAMA            (gst_audio_panorama_get_type())
31 #define GST_AUDIO_PANORAMA(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_PANORAMA,GstAudioPanorama))
32 #define GST_IS_AUDIO_PANORAMA(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_PANORAMA))
33 #define GST_AUDIO_PANORAMA_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AUDIO_PANORAMA,GstAudioPanoramaClass))
34 #define GST_IS_AUDIO_PANORAMA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AUDIO_PANORAMA))
35 #define GST_AUDIO_PANORAMA_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AUDIO_PANORAMA,GstAudioPanoramaClass))
36 
37 typedef struct _GstAudioPanorama      GstAudioPanorama;
38 typedef struct _GstAudioPanoramaClass GstAudioPanoramaClass;
39 
40 typedef void (*GstAudioPanoramaProcessFunc)(gfloat, guint8*, guint8*, guint);
41 
42 typedef enum
43 {
44   METHOD_PSYCHOACOUSTIC = 0,
45   METHOD_SIMPLE
46 } GstAudioPanoramaMethod;
47 
48 struct _GstAudioPanorama {
49   GstBaseTransform element;
50 
51   /* properties */
52   gfloat panorama;
53   GstAudioPanoramaMethod method;
54 
55   /* < private > */
56   GstAudioPanoramaProcessFunc process;
57   GstAudioInfo info;
58 };
59 
60 struct _GstAudioPanoramaClass {
61   GstBaseTransformClass parent_class;
62 };
63 
64 GType gst_audio_panorama_get_type (void);
65 
66 G_END_DECLS
67 
68 #endif /* __GST_AUDIO_PANORAMA_H__ */
69