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43 lines
2.2 KiB
43 lines
2.2 KiB
/*
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decodeLSP.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 DECODELSP_H
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#define DECODELSP_H
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/*****************************************************************************/
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/* initDecodeLSP : */
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/* Initialise the decodeLSP previousqLSP buffer */
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/* */
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/*****************************************************************************/
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void initDecodeLSP(bcg729DecoderChannelContextStruct *decoderChannelContext);
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/*****************************************************************************/
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/* decodeLSP : decode LSP coefficients as in spec 4.1.1/3.2.4 */
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/* parameters: */
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/* -(i/o) decoderChannelContext : the channel context data */
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/* -(i) L: 4 elements array containing L[0-3] the first and */
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/* second stage vector of LSP quantizer */
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/* -(i) frameErased : a boolean, when true, frame has been erased */
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/* -(o) qLSP: 10 quantized LSP coefficients in Q15 in range [-1,+1[ */
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/* */
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/*****************************************************************************/
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void decodeLSP(bcg729DecoderChannelContextStruct *decoderChannelContext, uint16_t L[], word16_t qLSP[], uint8_t frameErased);
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#endif /* ifndef DECODELSP_H */
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