blob: 11739853fbfc959ba7516ad02774150d002fc0ef [file] [log] [blame]
/*
* 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_Lsp2Lsf.h
******************************************************************/
#ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LSP_TO_LSF_H_
#define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LSP_TO_LSF_H_
#include "defines.h"
/*----------------------------------------------------------------*
* conversion from LSP coefficients to LSF coefficients
*---------------------------------------------------------------*/
void WebRtcIlbcfix_Lsp2Lsf(
int16_t *lsp, /* (i) lsp vector -1...+1 in Q15 */
int16_t *lsf, /* (o) Lsf vector 0...Pi in Q13
(ordered, so that lsf[i]<lsf[i+1]) */
int16_t m /* (i) Number of coefficients */
);
#endif