ref: 4cebe678d736d6bf846d8d80e8243a3efa48e090
dir: /libfaad/rvlc.h/
/*
** FAAD - Freeware Advanced Audio Decoder
** Copyright (C) 2002 M. Bakker
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** $Id: rvlc.h,v 1.1 2002/11/28 18:48:30 menno Exp $
**/
#ifndef __RVLC_SCF_H__
#define __RVLC_SCF_H__
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
int8_t index;
uint8_t len;
uint32_t cw;
} rvlc_huff_table;
#define ESC_VAL 7
uint8_t rvlc_scale_factor_data(ic_stream *ics, bitfile *ld);
uint8_t rvlc_decode_scale_factors(ic_stream *ics, bitfile *ld);
static uint8_t rvlc_decode_sf_forward(ic_stream *ics,
bitfile *ld_sf,
bitfile *ld_esc,
uint8_t *is_used);
static uint8_t rvlc_decode_sf_reverse(ic_stream *ics,
bitfile *ld_sf,
bitfile *ld_esc,
uint8_t is_used);
static int8_t rvlc_huffman_sf(bitfile *ld_sf, bitfile *ld_esc,
int8_t direction);
static int8_t rvlc_huffman_esc(bitfile *ld_esc, int8_t direction);
#ifdef __cplusplus
}
#endif
#endif