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36 lines
1.9 KiB
36 lines
1.9 KiB
/*
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LSPQuantization.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 LSPQUANTIZATION_H
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#define LSPQUANTIZATION_H
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void initLSPQuantization(bcg729EncoderChannelContextStruct *encoderChannelContext);
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/*****************************************************************************/
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/* LSPQuantization : Convert LSP to LSF, Quantize LSF and find L parameters, */
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/* qLSF->qLSP as described in spec A3.2.4 */
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/* parameters: */
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/* -(i/o) encoderChannelContext : the channel context data */
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/* -(i) LSPCoefficients : 10 LSP coefficients in Q15 */
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/* -(i) qLSPCoefficients : 10 qLSP coefficients in Q15 */
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/* -(o) parameters : 4 parameters L0, L1, L2, L3 */
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/* */
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/*****************************************************************************/
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void LSPQuantization(bcg729EncoderChannelContextStruct *encoderChannelContext, word16_t LSPCoefficients[], word16_t qLSPCoefficients[], uint16_t parameters[]);
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#endif /* LSPQUANTIZATION_H */
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