/* decodeGains.h Copyright (C) 2011 Belledonne Communications, Grenoble, France Author : Johan Pascal 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. */ #ifndef DECODEGAINS_H #define DECODEGAINS_H /* init function */ void initDecodeGains(bcg729DecoderChannelContextStruct *decoderChannelContext); /*****************************************************************************/ /* decodeGains : decode adaptive and fixed codebooks gains as in spec 4.1.5 */ /* parameters: */ /* -(i/o) decoderChannelContext : the channel context data */ /* -(i) GA : parameter GA: Gain Codebook Stage 1 (3 bits) */ /* -(i) GB : paremeter GB: Gain Codebook Stage 2 (4 bits) */ /* -(i) fixedCodebookVector: 40 values current fixed Codebook vector */ /* in Q1.13. */ /* -(i) frameErasureFlag : set in case of frame erasure */ /* -(i/o) adaptativeCodebookGain : input previous/output current */ /* subframe Pitch Gain in Q14 */ /* -(i/o) fixedCodebookGain : input previous/output current Fixed */ /* Codebook Gain in Q1 */ /* */ /*****************************************************************************/ void decodeGains (bcg729DecoderChannelContextStruct *decoderChannelContext, uint16_t GA, uint16_t GB, word16_t *fixedCodebookVector, uint8_t frameErasureFlag, word16_t *adaptativeCodebookGain, word16_t *fixedCodebookGain); #endif /* ifndef DECODEGAINS_H */