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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.
*/
/*
* pitch_lag_tables.h
*
* This file contains tables for the pitch filter side-info in the entropy
* coder.
*
*/
#ifndef MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_PITCH_LAG_TABLES_H_
#define MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_PITCH_LAG_TABLES_H_
#include <stdint.h>
/* header file for coding tables for the pitch filter side-info in the entropy
* coder */
/********************* Pitch Filter Lag Coefficient Tables
* ************************/
/* tables for use with small pitch gain */
/* cdfs for quantized pitch lags */
extern const uint16_t WebRtcIsac_kQPitchLagCdf1Lo[127];
extern const uint16_t WebRtcIsac_kQPitchLagCdf2Lo[20];
extern const uint16_t WebRtcIsac_kQPitchLagCdf3Lo[2];
extern const uint16_t WebRtcIsac_kQPitchLagCdf4Lo[10];
extern const uint16_t* WebRtcIsac_kQPitchLagCdfPtrLo[4];
/* size of first cdf table */
extern const uint16_t WebRtcIsac_kQPitchLagCdfSizeLo[1];
/* index limits and ranges */
extern const int16_t WebRtcIsac_kQIndexLowerLimitLagLo[4];
extern const int16_t WebRtcIsac_kQIndexUpperLimitLagLo[4];
/* initial index for arithmetic decoder */
extern const uint16_t WebRtcIsac_kQInitIndexLagLo[3];
/* mean values of pitch filter lags */
extern const double WebRtcIsac_kQMeanLag2Lo[19];
extern const double WebRtcIsac_kQMeanLag3Lo[1];
extern const double WebRtcIsac_kQMeanLag4Lo[9];
extern const double WebRtcIsac_kQPitchLagStepsizeLo;
/* tables for use with medium pitch gain */
/* cdfs for quantized pitch lags */
extern const uint16_t WebRtcIsac_kQPitchLagCdf1Mid[255];
extern const uint16_t WebRtcIsac_kQPitchLagCdf2Mid[36];
extern const uint16_t WebRtcIsac_kQPitchLagCdf3Mid[2];
extern const uint16_t WebRtcIsac_kQPitchLagCdf4Mid[20];
extern const uint16_t* WebRtcIsac_kQPitchLagCdfPtrMid[4];
/* size of first cdf table */
extern const uint16_t WebRtcIsac_kQPitchLagCdfSizeMid[1];
/* index limits and ranges */
extern const int16_t WebRtcIsac_kQIndexLowerLimitLagMid[4];
extern const int16_t WebRtcIsac_kQIndexUpperLimitLagMid[4];
/* initial index for arithmetic decoder */
extern const uint16_t WebRtcIsac_kQInitIndexLagMid[3];
/* mean values of pitch filter lags */
extern const double WebRtcIsac_kQMeanLag2Mid[35];
extern const double WebRtcIsac_kQMeanLag3Mid[1];
extern const double WebRtcIsac_kQMeanLag4Mid[19];
extern const double WebRtcIsac_kQPitchLagStepsizeMid;
/* tables for use with large pitch gain */
/* cdfs for quantized pitch lags */
extern const uint16_t WebRtcIsac_kQPitchLagCdf1Hi[511];
extern const uint16_t WebRtcIsac_kQPitchLagCdf2Hi[68];
extern const uint16_t WebRtcIsac_kQPitchLagCdf3Hi[2];
extern const uint16_t WebRtcIsac_kQPitchLagCdf4Hi[35];
extern const uint16_t* WebRtcIsac_kQPitchLagCdfPtrHi[4];
/* size of first cdf table */
extern const uint16_t WebRtcIsac_kQPitchLagCdfSizeHi[1];
/* index limits and ranges */
extern const int16_t WebRtcIsac_kQindexLowerLimitLagHi[4];
extern const int16_t WebRtcIsac_kQindexUpperLimitLagHi[4];
/* initial index for arithmetic decoder */
extern const uint16_t WebRtcIsac_kQInitIndexLagHi[3];
/* mean values of pitch filter lags */
extern const double WebRtcIsac_kQMeanLag2Hi[67];
extern const double WebRtcIsac_kQMeanLag3Hi[1];
extern const double WebRtcIsac_kQMeanLag4Hi[34];
extern const double WebRtcIsac_kQPitchLagStepsizeHi;
/* transform matrix */
extern const double WebRtcIsac_kTransform[4][4];
/* transpose transform matrix */
extern const double WebRtcIsac_kTransformTranspose[4][4];
#endif /* MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_PITCH_LAG_TABLES_H_ */
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