198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/* Copyright (C) 2002 Jean-Marc Valin & David Rowe */ 298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/** 398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project @file cb_search.h 498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project @brief Overlapped codebook search 598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project*/ 698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/* 798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project Redistribution and use in source and binary forms, with or without 898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project modification, are permitted provided that the following conditions 998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project are met: 1098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 1198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project - Redistributions of source code must retain the above copyright 1298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project notice, this list of conditions and the following disclaimer. 1398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 1498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project - Redistributions in binary form must reproduce the above copyright 1598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project notice, this list of conditions and the following disclaimer in the 1698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project documentation and/or other materials provided with the distribution. 1798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 1898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project - Neither the name of the Xiph.org Foundation nor the names of its 1998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project contributors may be used to endorse or promote products derived from 2098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project this software without specific prior written permission. 2198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 2298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR 2698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 2798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 3098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 3198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project*/ 3498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 3598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#ifndef CB_SEARCH_H 3698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#define CB_SEARCH_H 3798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 3898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#include <speex/speex_bits.h> 3998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#include "arch.h" 4098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 4198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project/** Split codebook parameters. */ 4298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projecttypedef struct split_cb_params { 4398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int subvect_size; 4498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int nb_subvect; 4598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project const signed char *shape_cb; 4698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int shape_bits; 4798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project int have_sign; 4898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project} split_cb_params; 4998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 5098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 5198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectvoid split_cb_search_shape_sign( 5298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectspx_word16_t target[], /* target vector */ 5398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectspx_coef_t ak[], /* LPCs for this subframe */ 5498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectspx_coef_t awk1[], /* Weighted LPCs for this subframe */ 5598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectspx_coef_t awk2[], /* Weighted LPCs for this subframe */ 5698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectconst void *par, /* Codebook/search parameters */ 5798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectint p, /* number of LPC coeffs */ 5898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectint nsf, /* number of samples in subframe */ 5998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectspx_sig_t *exc, 6098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectspx_word16_t *r, 6198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source ProjectSpeexBits *bits, 6298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectchar *stack, 6398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectint complexity, 6498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectint update_target 6598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project); 6698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 6798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectvoid split_cb_shape_sign_unquant( 6898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectspx_sig_t *exc, 6998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectconst void *par, /* non-overlapping codebook */ 7098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectint nsf, /* number of samples in subframe */ 7198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source ProjectSpeexBits *bits, 7298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectchar *stack, 7398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectspx_int32_t *seed 7498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project); 7598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 7698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 7798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectvoid noise_codebook_quant( 7898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectspx_word16_t target[], /* target vector */ 7998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectspx_coef_t ak[], /* LPCs for this subframe */ 8098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectspx_coef_t awk1[], /* Weighted LPCs for this subframe */ 8198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectspx_coef_t awk2[], /* Weighted LPCs for this subframe */ 8298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectconst void *par, /* Codebook/search parameters */ 8398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectint p, /* number of LPC coeffs */ 8498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectint nsf, /* number of samples in subframe */ 8598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectspx_sig_t *exc, 8698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectspx_word16_t *r, 8798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source ProjectSpeexBits *bits, 8898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectchar *stack, 8998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectint complexity, 9098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectint update_target 9198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project); 9298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 9398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 9498913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectvoid noise_codebook_unquant( 9598913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectspx_sig_t *exc, 9698913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectconst void *par, /* non-overlapping codebook */ 9798913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectint nsf, /* number of samples in subframe */ 9898913fed6520d8849fb2e246be943e04474aefaThe Android Open Source ProjectSpeexBits *bits, 9998913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectchar *stack, 10098913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Projectspx_int32_t *seed 10198913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project); 10298913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project 10398913fed6520d8849fb2e246be943e04474aefaThe Android Open Source Project#endif 104