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/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/******************************************************************
iLBC Speech Coder ANSI-C Source Code
WebRtcIlbcfix_Poly2Lsf.c
******************************************************************/
#include "modules/audio_coding/codecs/ilbc/poly_to_lsf.h"
#include "modules/audio_coding/codecs/ilbc/constants.h"
#include "modules/audio_coding/codecs/ilbc/lsp_to_lsf.h"
#include "modules/audio_coding/codecs/ilbc/poly_to_lsp.h"
void WebRtcIlbcfix_Poly2Lsf(
int16_t *lsf, /* (o) lsf coefficients (Q13) */
int16_t *a /* (i) A coefficients (Q12) */
) {
int16_t lsp[10];
WebRtcIlbcfix_Poly2Lsp(a, lsp, (int16_t*)WebRtcIlbcfix_kLspMean);
WebRtcIlbcfix_Lsp2Lsf(lsp, lsf, 10);
}