ref: ce90f3b2c478d0b94caa721f3e008e96dfe298f2
dir: /libfaad/is.h/
/* ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding ** Copyright (C) 2003-2005 M. Bakker, Nero 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. ** ** The "appropriate copyright message" mentioned in section 2c of the GPLv2 ** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" ** ** Commercial non-GPL licensing of this software is possible. ** For more info contact Nero AG through Mpeg4AAClicense@nero.com. ** ** $Id: is.h,v 1.20 2007/11/01 12:33:31 menno Exp $ **/ #ifndef __IS_H__ #define __IS_H__ #ifdef __cplusplus extern "C" { #endif #include "syntax.h" void is_decode(ic_stream *ics, ic_stream *icsr, real_t *l_spec, real_t *r_spec, uint16_t frame_len); static INLINE int8_t is_intensity(ic_stream *ics, uint8_t group, uint8_t sfb) { switch (ics->sfb_cb[group][sfb]) { case INTENSITY_HCB: return 1; case INTENSITY_HCB2: return -1; default: return 0; } } static INLINE int8_t invert_intensity(ic_stream *ics, uint8_t group, uint8_t sfb) { if (ics->ms_mask_present == 1) return (1-2*ics->ms_used[group][sfb]); return 1; } #ifdef __cplusplus } #endif #endif