ref: 064740662b4b78775c62f610a84dc17969a1aabf
dir: /libfaad/huffman.h/
/* ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding ** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com ** ** 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. ** ** Any non-GPL usage of this software or parts of this software is strictly ** forbidden. ** ** Commercial non-GPL licensing of this software is possible. ** For more info contact Ahead Software through Mpeg4AAClicense@nero.com. ** ** $Id: huffman.h,v 1.20 2003/12/17 14:43:16 menno Exp $ **/ #ifndef __HUFFMAN_H__ #define __HUFFMAN_H__ #ifdef __cplusplus extern "C" { #endif static INLINE void huffman_sign_bits(bitfile *ld, int16_t *sp, uint8_t len); static INLINE int16_t huffman_getescape(bitfile *ld, int16_t sp); static uint8_t huffman_2step_quad(uint8_t cb, bitfile *ld, int16_t *sp); static uint8_t huffman_2step_quad_sign(uint8_t cb, bitfile *ld, int16_t *sp); static uint8_t huffman_2step_pair(uint8_t cb, bitfile *ld, int16_t *sp); static huffman_2step_pair_sign(uint8_t cb, bitfile *ld, int16_t *sp); static uint8_t huffman_binary_quad(uint8_t cb, bitfile *ld, int16_t *sp); static uint8_t huffman_binary_quad_sign(uint8_t cb, bitfile *ld, int16_t *sp); static uint8_t huffman_binary_pair(uint8_t cb, bitfile *ld, int16_t *sp); static uint8_t huffman_binary_pair_sign(uint8_t cb, bitfile *ld, int16_t *sp); static int16_t huffman_codebook(uint8_t i); int8_t huffman_scale_factor(bitfile *ld); uint8_t huffman_spectral_data(uint8_t cb, bitfile *ld, int16_t *sp); #ifdef ERROR_RESILIENCE int8_t huffman_spectral_data_2(uint8_t cb, bits_t *ld, int16_t *sp); #endif #ifdef __cplusplus } #endif #endif