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., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
18 */
21 #ifndef __GST_LAME_H__
22 #define __GST_LAME_H__
25 #include <gst/gst.h>
27 G_BEGIN_DECLS
29 #include <lame/lame.h>
30 #include <gst/audio/gstaudioencoder.h>
32 #define GST_TYPE_LAME \
33 (gst_lame_get_type())
34 #define GST_LAME(obj) \
35 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_LAME,GstLame))
36 #define GST_LAME_CLASS(klass) \
37 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_LAME,GstLameClass))
38 #define GST_IS_LAME(obj) \
39 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_LAME))
40 #define GST_IS_LAME_CLASS(klass) \
41 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_LAME))
43 typedef struct _GstLame GstLame;
44 typedef struct _GstLameClass GstLameClass;
46 /**
47 * GstLame:
48 *
49 * Opaque data structure.
50 */
51 struct _GstLame {
52 GstAudioEncoder element;
54 /*< private >*/
56 gint samplerate;
57 gint num_channels;
58 gboolean setup;
60 gint bitrate;
61 gfloat compression_ratio;
62 gint quality;
63 gint mode; /* actual mode in use now */
64 gint requested_mode; /* requested mode by user/app */
65 gboolean force_ms;
66 gboolean free_format;
67 gboolean copyright;
68 gboolean original;
69 gboolean error_protection;
70 gboolean extension;
71 gboolean strict_iso;
72 gboolean disable_reservoir;
73 gint vbr;
74 gint vbr_quality;
75 gint vbr_mean_bitrate;
76 gint vbr_min_bitrate;
77 gint vbr_max_bitrate;
78 gint vbr_hard_min;
79 gint lowpass_freq;
80 gint lowpass_width;
81 gint highpass_freq;
82 gint highpass_width;
83 gboolean ath_only;
84 gboolean ath_short;
85 gboolean no_ath;
86 gint ath_type;
87 gint ath_lower;
88 gboolean allow_diff_short;
89 gboolean no_short_blocks;
90 gboolean emphasis;
91 gint preset;
93 /* track this so we don't send a last buffer in eos handler after error */
94 GstFlowReturn last_flow;
96 lame_global_flags *lgf;
98 /* time tracker */
99 guint64 last_ts, last_offs, last_duration, eos_ts;
100 };
102 struct _GstLameClass {
103 GstAudioEncoderClass parent_class;
104 };
106 GType gst_lame_get_type(void);
107 gboolean gst_lame_register (GstPlugin * plugin);
109 G_END_DECLS
111 #endif /* __GST_LAME_H__ */