| Index: speex/libspeex/quant_lsp.h
|
| ===================================================================
|
| --- speex/libspeex/quant_lsp.h (revision 0)
|
| +++ speex/libspeex/quant_lsp.h (revision 0)
|
| @@ -0,0 +1,74 @@
|
| +/* Copyright (C) 2002 Jean-Marc Valin */
|
| +/**
|
| + @file quant_lsp.h
|
| + @brief LSP vector quantization
|
| +*/
|
| +/*
|
| + 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 QUANT_LSP_H
|
| +#define QUANT_LSP_H
|
| +
|
| +#include <speex/speex_bits.h>
|
| +#include "arch.h"
|
| +
|
| +#define MAX_LSP_SIZE 20
|
| +
|
| +#define NB_CDBK_SIZE 64
|
| +#define NB_CDBK_SIZE_LOW1 64
|
| +#define NB_CDBK_SIZE_LOW2 64
|
| +#define NB_CDBK_SIZE_HIGH1 64
|
| +#define NB_CDBK_SIZE_HIGH2 64
|
| +
|
| +/*Narrowband codebooks*/
|
| +extern const signed char cdbk_nb[];
|
| +extern const signed char cdbk_nb_low1[];
|
| +extern const signed char cdbk_nb_low2[];
|
| +extern const signed char cdbk_nb_high1[];
|
| +extern const signed char cdbk_nb_high2[];
|
| +
|
| +/* Quantizes narrowband LSPs with 30 bits */
|
| +void lsp_quant_nb(spx_lsp_t *lsp, spx_lsp_t *qlsp, int order, SpeexBits *bits);
|
| +
|
| +/* Decodes quantized narrowband LSPs */
|
| +void lsp_unquant_nb(spx_lsp_t *lsp, int order, SpeexBits *bits);
|
| +
|
| +/* Quantizes low bit-rate narrowband LSPs with 18 bits */
|
| +void lsp_quant_lbr(spx_lsp_t *lsp, spx_lsp_t *qlsp, int order, SpeexBits *bits);
|
| +
|
| +/* Decodes quantized low bit-rate narrowband LSPs */
|
| +void lsp_unquant_lbr(spx_lsp_t *lsp, int order, SpeexBits *bits);
|
| +
|
| +/* Quantizes high-band LSPs with 12 bits */
|
| +void lsp_quant_high(spx_lsp_t *lsp, spx_lsp_t *qlsp, int order, SpeexBits *bits);
|
| +
|
| +/* Decodes high-band LSPs */
|
| +void lsp_unquant_high(spx_lsp_t *lsp, int order, SpeexBits *bits);
|
| +
|
| +#endif
|
|
|
| Property changes on: speex/libspeex/quant_lsp.h
|
| ___________________________________________________________________
|
| Name: svn:executable
|
| + *
|
|
|
|
|