1 /* GStreamer
2  * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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 
21 #ifndef __GST_SPEEX_DEC_H__
22 #define __GST_SPEEX_DEC_H__
23 
24 #include <gst/gst.h>
25 #include <gst/audio/gstaudiodecoder.h>
26 
27 #include <speex/speex.h>
28 #include <speex/speex_callbacks.h>
29 #include <speex/speex_header.h>
30 #include <speex/speex_stereo.h>
31 
32 G_BEGIN_DECLS
33 
34 #define GST_TYPE_SPEEX_DEC \
35   (gst_speex_dec_get_type())
36 #define GST_SPEEX_DEC(obj) \
37   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SPEEX_DEC,GstSpeexDec))
38 #define GST_SPEEX_DEC_CLASS(klass) \
39   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SPEEX_DEC,GstSpeexDecClass))
40 #define GST_IS_SPEEX_DEC(obj) \
41   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SPEEX_DEC))
42 #define GST_IS_SPEEX_DEC_CLASS(klass) \
43   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SPEEX_DEC))
44 
45 typedef struct _GstSpeexDec GstSpeexDec;
46 typedef struct _GstSpeexDecClass GstSpeexDecClass;
47 
48 struct _GstSpeexDec {
49   GstAudioDecoder   element;
50 
51   void                  *state;
52   SpeexStereoState      *stereo;
53   const SpeexMode       *mode;
54   SpeexHeader           *header;
55   SpeexCallback         callback;
56   SpeexBits             bits;
57 
58   gboolean              enh;
59 
60   gint                  frame_size;
61   GstClockTime          frame_duration;
62   guint64               packetno;
63 
64   GstBuffer             *streamheader;
65   GstBuffer             *vorbiscomment;
66 };
67 
68 struct _GstSpeexDecClass {
69   GstAudioDecoderClass parent_class;
70 };
71 
72 GType gst_speex_dec_get_type (void);
73 
74 G_END_DECLS
75 
76 #endif /* __GST_SPEEX_DEC_H__ */
77