1 /* GStreamer
2  * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
3  * Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk>
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 
22 #ifndef __GST_LAMEMP3ENC_H__
23 #define __GST_LAMEMP3ENC_H__
24 
25 
26 #include <gst/gst.h>
27 #include <gst/audio/gstaudioencoder.h>
28 #include <gst/base/gstadapter.h>
29 
30 G_BEGIN_DECLS
31 
32 #include <lame/lame.h>
33 
34 #define GST_TYPE_LAMEMP3ENC \
35   (gst_lamemp3enc_get_type())
36 #define GST_LAMEMP3ENC(obj) \
37   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_LAMEMP3ENC,GstLameMP3Enc))
38 #define GST_LAMEMP3ENC_CLASS(klass) \
39   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_LAMEMP3ENC,GstLameMP3EncClass))
40 #define GST_IS_LAMEMP3ENC(obj) \
41   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_LAMEMP3ENC))
42 #define GST_IS_LAMEMP3ENC_CLASS(klass) \
43   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_LAMEMP3ENC))
44 
45 typedef struct _GstLameMP3Enc GstLameMP3Enc;
46 typedef struct _GstLameMP3EncClass GstLameMP3EncClass;
47 
48 /**
49  * GstLameMP3Enc:
50  *
51  * Opaque data structure.
52  */
53 struct _GstLameMP3Enc {
54   GstAudioEncoder element;
55 
56   /*< private >*/
57   gint samplerate;
58   gint out_samplerate;
59   gint num_channels;
60 
61   /* properties */
62   gint target;
63   gint bitrate;
64   gboolean cbr;
65   gfloat quality;
66   gint encoding_engine_quality;
67   gboolean mono;
68 
69   lame_global_flags *lgf;
70 
71   GstAdapter *adapter;
72 };
73 
74 struct _GstLameMP3EncClass {
75   GstAudioEncoderClass parent_class;
76 };
77 
78 GType gst_lamemp3enc_get_type(void);
79 gboolean gst_lamemp3enc_register (GstPlugin * plugin);
80 
81 G_END_DECLS
82 
83 #endif /* __GST_LAMEMP3ENC_H__ */
84