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1 /* GStreamer Musepack decoder plugin
2  * Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.net>
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  */
19 
20 #ifndef __GST_MUSEPACK_DEC_H__
21 #define __GST_MUSEPACK_DEC_H__
22 
23 #include <mpc/mpcdec.h>
24 #include <gst/gst.h>
25 
26 G_BEGIN_DECLS
27 
28 #define GST_TYPE_MUSEPACK_DEC \
29   (gst_musepackdec_get_type ())
30 #define GST_MUSEPACK_DEC(obj) \
31   (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MUSEPACK_DEC, \
32                                GstMusepackDec))
33 #define GST_MUSEPACK_DEC_CLASS(klass) \
34   (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MUSEPACK_DEC, \
35                             GstMusepackDecClass))
36 #define GST_IS_MUSEPACK_DEC(obj) \
37   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MUSEPACK_DEC))
38 #define GST_IS_MUSEPACK_DEC_CLASS(klass) \
39   (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MUSEPACK_DEC))
40 
41 typedef struct _GstMusepackDec {
42   GstElement    element;
43 
44   GstPad       *srcpad;
45   GstPad       *sinkpad;
46   guint64       offset;
47 
48   /* MUSEPACK_DEC object */
49   mpc_demux    *d;
50   mpc_reader   *r;
51 
52   gint          bps;     /* bytes per sample */ /* ATOMIC */
53   gint          rate;    /* sample rate      */ /* ATOMIC */
54 
55   GstSegment    segment; /* configured segment in samples (DEFAULT format) */
56 } GstMusepackDec;
57 
58 typedef struct _GstMusepackDecClass {
59   GstElementClass parent_class;
60 } GstMusepackDecClass;
61 
62 GType gst_musepackdec_get_type (void);
63 
64 G_END_DECLS
65 
66 #endif /* __GST_MUSEPACK_DEC_H__ */
67