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Diffstat (limited to 'src/libfaad/rvlc.h')
| -rw-r--r-- | src/libfaad/rvlc.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/libfaad/rvlc.h b/src/libfaad/rvlc.h new file mode 100644 index 000000000..6727f5caa --- /dev/null +++ b/src/libfaad/rvlc.h @@ -0,0 +1,59 @@ +/* +** 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 2002/12/16 19:01:06 miguelfreitas 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 |