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32 lines
1.7 KiB
32 lines
1.7 KiB
/*
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* Copyright (c) 2011-2019 Belledonne Communications SARL.
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*
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* This file is part of bcg729.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LP2LSPCONVERSION_H
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#define LP2LSPCONVERSION_H
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/*****************************************************************************/
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/* LP2LSPConversion : Compute polynomials, find their roots as in spec A3.2.3*/
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/* parameters: */
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/* -(i) LPCoefficients[] : 10 coefficients in Q12 */
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/* -(o) LSPCoefficients[] : 10 coefficients in Q15 */
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/* */
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/* return value : */
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/* - boolean: 1 if all roots found, 0 if unable to compute 10 roots */
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/* */
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/*****************************************************************************/
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int LP2LSPConversion(word16_t LPCoefficients[], word16_t LSPCoefficients[]);
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#endif /* ifndef LP2LSPCONVERSION_H */
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