1 /* GStreamer
2  * Copyright (C) 2005 Wim Taymans <wim at fluendo dot com>
3  *
4  * gstaudioconvert.h: Convert audio to different audio formats automatically
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., 51 Franklin St, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  */
21 
22 #ifndef __GST_AUDIO_CONVERT_H__
23 #define __GST_AUDIO_CONVERT_H__
24 
25 #include <gst/gst.h>
26 #include <gst/base/gstbasetransform.h>
27 #include <gst/audio/audio.h>
28 
29 #define GST_TYPE_AUDIO_CONVERT            (gst_audio_convert_get_type())
30 #define GST_AUDIO_CONVERT(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_CONVERT,GstAudioConvert))
31 #define GST_AUDIO_CONVERT_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_CONVERT,GstAudioConvertClass))
32 #define GST_IS_AUDIO_CONVERT(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_CONVERT))
33 #define GST_IS_AUDIO_CONVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_CONVERT))
34 
35 typedef struct _GstAudioConvert GstAudioConvert;
36 typedef struct _GstAudioConvertClass GstAudioConvertClass;
37 
38 /**
39  * GstAudioConvert:
40  *
41  * The audioconvert object structure.
42  */
43 struct _GstAudioConvert
44 {
45   GstBaseTransform element;
46 
47   /* properties */
48   GstAudioDitherMethod dither;
49   GstAudioNoiseShapingMethod ns;
50   GValue mix_matrix;
51   gboolean mix_matrix_was_set;
52 
53   GstAudioInfo in_info;
54   GstAudioInfo out_info;
55   GstAudioConverter *convert;
56 };
57 
58 struct _GstAudioConvertClass
59 {
60   GstBaseTransformClass parent_class;
61 };
62 
63 #endif /* __GST_AUDIO_CONVERT_H__ */
64