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diff --git a/pjmedia/src/pjmedia-codec/speex/lsp.h b/pjmedia/src/pjmedia-codec/speex/lsp.h
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-/*---------------------------------------------------------------------------*\
-Original Copyright
- FILE........: AK2LSPD.H
- TYPE........: Turbo C header file
- COMPANY.....: Voicetronix
- AUTHOR......: James Whitehall
- DATE CREATED: 21/11/95
-
-Modified by Jean-Marc Valin
-
- This file contains functions for converting Linear Prediction
- Coefficients (LPC) to Line Spectral Pair (LSP) and back. Note that the
- LSP coefficients are not in radians format but in the x domain of the
- unit circle.
-
-\*---------------------------------------------------------------------------*/
-/**
- @file lsp.h
- @brief Line Spectral Pair (LSP) functions.
-*/
-/* Speex License:
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- - Neither the name of the Xiph.org Foundation nor the names of its
- contributors may be used to endorse or promote products derived from
- this software without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#ifndef __AK2LSPD__
-#define __AK2LSPD__
-
-#include "misc.h"
-
-int lpc_to_lsp (spx_coef_t *a, int lpcrdr, spx_lsp_t *freq, int nb, spx_word16_t delta, char *stack);
-void lsp_to_lpc(spx_lsp_t *freq, spx_coef_t *ak, int lpcrdr, char *stack);
-
-/*Added by JMV*/
-void lsp_enforce_margin(spx_lsp_t *lsp, int len, spx_word16_t margin);
-
-void lsp_interpolate(spx_lsp_t *old_lsp, spx_lsp_t *new_lsp, spx_lsp_t *interp_lsp, int len, int subframe, int nb_subframes);
-
-#endif /* __AK2LSPD__ */