1 /* GStreamer Wavpack plugin
2  * Copyright (c) 2004 Arwed v. Merkatz <v.merkatz@gmx.net>
3  * Copyright (c) 2006 Sebastian Dröge <slomo@circular-chaos.org>
4  *
5  * gstwavpackdec.h: raw Wavpack bitstream decoder
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Library General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Library General Public License for more details.
16  *
17  * You should have received a copy of the GNU Library General Public
18  * License along with this library; if not, write to the
19  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
20  * Boston, MA 02110-1301, USA.
21  */
22 
23 #ifndef __GST_WAVPACK_DEC_H__
24 #define __GST_WAVPACK_DEC_H__
25 
26 #include <gst/gst.h>
27 #include <gst/audio/gstaudiodecoder.h>
28 
29 #include <wavpack/wavpack.h>
30 
31 #include "gstwavpackstreamreader.h"
32 
33 G_BEGIN_DECLS
34 #define GST_TYPE_WAVPACK_DEC \
35   (gst_wavpack_dec_get_type())
36 #define GST_WAVPACK_DEC(obj) \
37   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WAVPACK_DEC,GstWavpackDec))
38 #define GST_WAVPACK_DEC_CLASS(klass) \
39   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WAVPACK_DEC,GstWavpackDecClass))
40 #define GST_IS_WAVPACK_DEC(obj) \
41   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WAVPACK_DEC))
42 #define GST_IS_WAVPACK_DEC_CLASS(klass) \
43   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_WAVPACK_DEC))
44 typedef struct _GstWavpackDec GstWavpackDec;
45 typedef struct _GstWavpackDecClass GstWavpackDecClass;
46 
47 struct _GstWavpackDec
48 {
49   GstAudioDecoder element;
50 
51   /*< private > */
52 
53   WavpackContext *context;
54   WavpackStreamReader *stream_reader;
55 
56   read_id wv_id;
57 
58   gint sample_rate;
59   gint depth;
60   gint width;
61   gint channels;
62   gint channel_mask;
63 
64   gint channel_reorder_map[64];
65 
66 };
67 
68 struct _GstWavpackDecClass
69 {
70   GstAudioDecoderClass parent;
71 };
72 
73 GType gst_wavpack_dec_get_type (void);
74 
75 gboolean gst_wavpack_dec_plugin_init (GstPlugin * plugin);
76 
77 G_END_DECLS
78 #endif /* __GST_WAVPACK_DEC_H__ */
79