File: bitbuffer.h

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/*
 *	TwoLAME: an optimized MPEG Audio Layer Two encoder
 *
 *	Copyright (C) 2001-2004 Michael Cheng
 *	Copyright (C) 2004-2006 The TwoLAME Project
 *
 *	This library is free software; you can redistribute it and/or
 *	modify it under the terms of the GNU Lesser General Public
 *	License as published by the Free Software Foundation; either
 *	version 2.1 of the License, or (at your option) any later version.
 *
 *	This library is distributed in the hope that it will be useful,
 *	but WITHOUT ANY WARRANTY; without even the implied warranty of
 *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *	Lesser General Public License for more details.
 *
 *	You should have received a copy of the GNU Lesser General Public
 *	License along with this library; if not, write to the Free Software
 *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  $Id: bitbuffer.h 156 2007-03-20 23:57:35Z nhumfrey $
 *
 */

#ifndef _BITBUFFER_H_
#define _BITBUFFER_H_

#include "common.h"

/* bit stream structure */
typedef struct bit_stream_struc {
	unsigned char *buf;		  /* bit stream buffer */
	int buf_size;		  /* size of buffer (in number of bytes) */
	long totbit;		  /* bit counter of bit stream */
	int buf_byte_idx;	  /* pointer to top byte in buffer */
	int buf_bit_idx;	  /* pointer to top bit of top byte in buffer */
	int eob;		  /* end of buffer index */
	int eobs;		  /* end of bit stream flag */
} bit_stream;


bit_stream * buffer_init( unsigned char *buffer, int buffer_size );
void buffer_deinit( bit_stream **bs );

NO_DLL_INLINE void buffer_put1bit (bit_stream *, int);
NO_DLL_INLINE void buffer_putbits (bit_stream *, unsigned int, int);
NO_DLL_INLINE unsigned long buffer_sstell (bit_stream *);

#endif


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