1 /*
2  *	TwoLAME: an optimized MPEG Audio Layer Two encoder
3  *
4  *	Copyright (C) 2001-2004 Michael Cheng
5  *	Copyright (C) 2004-2006 The TwoLAME Project
6  *
7  *	This library is free software; you can redistribute it and/or
8  *	modify it under the terms of the GNU Lesser General Public
9  *	License as published by the Free Software Foundation; either
10  *	version 2.1 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  *	Lesser General Public License for more details.
16  *
17  *	You should have received a copy of the GNU Lesser General Public
18  *	License along with this library; if not, write to the Free Software
19  *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20  *
21  *  $Id$
22  *
23  */
24 
25 #ifndef _BITBUFFER_H_
26 #define _BITBUFFER_H_
27 
28 #include "common.h"
29 
30 /* bit stream structure */
31 typedef struct bit_stream_struc {
32     unsigned char *buf;         /* bit stream buffer */
33     int buf_size;               /* size of buffer (in number of bytes) */
34     long totbit;                /* bit counter of bit stream */
35     int buf_byte_idx;           /* pointer to top byte in buffer */
36     int buf_bit_idx;            /* pointer to top bit of top byte in buffer */
37     int eob;                    /* end of buffer index */
38     int eobs;                   /* end of bit stream flag */
39 } bit_stream;
40 
41 
42 bit_stream *buffer_init(unsigned char *buffer, int buffer_size);
43 void buffer_deinit(bit_stream ** bs);
44 
45 /*return the current bit stream length (in bits)*/
46 #define buffer_sstell(bs) (bs->totbit)
47 
48 #endif
49 
50 
51 // vim:ts=4:sw=4:nowrap:
52