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45 lines
2.6 KiB
45 lines
2.6 KiB
/*
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decodeAdaptativeCodeVector.h
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Copyright (C) 2011 Belledonne Communications, Grenoble, France
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Author : Johan Pascal
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef DECODEADAPTATIVECODEVECTOR_H
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#define DECODEADAPTATIVECODEVECTOR_H
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/* init function */
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void initDecodeAdaptativeCodeVector(bcg729DecoderChannelContextStruct *decoderChannelContext);
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/*****************************************************************************/
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/* decodeAdaptativeCodeVector : as in spec 4.1.3 */
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/* parameters: */
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/* -(i/o) decoderChannelContext : the channel context data */
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/* -(i) subFrameIndex : 0 or 40 for subframe 1 or subframe 2 */
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/* -(i) adaptativeCodebookIndex : parameter P1 or P2 */
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/* -(i) parityFlag : based on P1 parity flag : set if parity error */
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/* -(i) frameErasureFlag : set in case of frame erasure */
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/* -(i/o) intPitchDelay : the integer part of Pitch Delay. Computed from*/
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/* P1 on subframe 1. On Subframe 2, contains the intPitchDelay */
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/* computed on Subframe 1. */
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/* -(i/o) excitationVector : in Q0 excitation accessed from */
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/* [-MAXIMUM_INT_PITCH_DELAY(143), -1] as input */
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/* and [0, L_SUBFRAME[ as output to store the adaptative */
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/* codebook vector */
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/* */
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/*****************************************************************************/
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void decodeAdaptativeCodeVector(bcg729DecoderChannelContextStruct *decoderChannelContext, int subFrameIndex, uint16_t adaptativeCodebookIndex, uint8_t parityFlag, uint8_t frameErasureFlag,
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int16_t *intPitchDelay, word16_t *excitationVector);
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#endif /* ifndef DECODEADAPTATIVECODEVECTOR_H */
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