1b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* 2b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * 4b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * Use of this source code is governed by a BSD-style license 5b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * that can be found in the LICENSE file in the root of the source 6b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * tree. An additional intellectual property rights grant can be found 7b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * in the file PATENTS. All contributing project authors may 8b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * be found in the AUTHORS file in the root of the source tree. 9b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org */ 10b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 11b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* 12b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * pitch_lag_tables.h 13b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * 14b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * This file contains tables for the pitch filter side-info in the entropy coder. 15b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * 16b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org */ 17b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 18b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_PITCH_LAG_TABLES_H_ 19b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_PITCH_LAG_TABLES_H_ 20b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 21a11402cdbf99a12d58421d5b446982e8d30c40caandresp@webrtc.org#include "webrtc/typedefs.h" 22b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* header file for coding tables for the pitch filter side-info in the entropy coder */ 23b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/********************* Pitch Filter Lag Coefficient Tables ************************/ 24b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 25b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* tables for use with small pitch gain */ 26b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 27b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* cdfs for quantized pitch lags */ 28fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQPitchLagCdf1Lo[127]; 29fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQPitchLagCdf2Lo[20]; 30fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQPitchLagCdf3Lo[2]; 31fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQPitchLagCdf4Lo[10]; 32b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 33fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t *WebRtcIsac_kQPitchLagCdfPtrLo[4]; 34b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 35b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* size of first cdf table */ 36fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQPitchLagCdfSizeLo[1]; 37b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 38b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* index limits and ranges */ 39fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const int16_t WebRtcIsac_kQIndexLowerLimitLagLo[4]; 40fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const int16_t WebRtcIsac_kQIndexUpperLimitLagLo[4]; 41b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 42b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* initial index for arithmetic decoder */ 43fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQInitIndexLagLo[3]; 44b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 45b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* mean values of pitch filter lags */ 46b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgextern const double WebRtcIsac_kQMeanLag2Lo[19]; 47b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgextern const double WebRtcIsac_kQMeanLag3Lo[1]; 48b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgextern const double WebRtcIsac_kQMeanLag4Lo[9]; 49b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 50b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgextern const double WebRtcIsac_kQPitchLagStepsizeLo; 51b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 52b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 53b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* tables for use with medium pitch gain */ 54b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 55b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* cdfs for quantized pitch lags */ 56fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQPitchLagCdf1Mid[255]; 57fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQPitchLagCdf2Mid[36]; 58fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQPitchLagCdf3Mid[2]; 59fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQPitchLagCdf4Mid[20]; 60b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 61fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t *WebRtcIsac_kQPitchLagCdfPtrMid[4]; 62b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 63b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* size of first cdf table */ 64fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQPitchLagCdfSizeMid[1]; 65b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 66b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* index limits and ranges */ 67fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const int16_t WebRtcIsac_kQIndexLowerLimitLagMid[4]; 68fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const int16_t WebRtcIsac_kQIndexUpperLimitLagMid[4]; 69b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 70b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* initial index for arithmetic decoder */ 71fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQInitIndexLagMid[3]; 72b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 73b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* mean values of pitch filter lags */ 74b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgextern const double WebRtcIsac_kQMeanLag2Mid[35]; 75b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgextern const double WebRtcIsac_kQMeanLag3Mid[1]; 76b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgextern const double WebRtcIsac_kQMeanLag4Mid[19]; 77b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 78b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgextern const double WebRtcIsac_kQPitchLagStepsizeMid; 79b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 80b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 81b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* tables for use with large pitch gain */ 82b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 83b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* cdfs for quantized pitch lags */ 84fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQPitchLagCdf1Hi[511]; 85fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQPitchLagCdf2Hi[68]; 86fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQPitchLagCdf3Hi[2]; 87fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQPitchLagCdf4Hi[35]; 88b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 89fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t *WebRtcIsac_kQPitchLagCdfPtrHi[4]; 90b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 91b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* size of first cdf table */ 92fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQPitchLagCdfSizeHi[1]; 93b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 94b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* index limits and ranges */ 95fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const int16_t WebRtcIsac_kQindexLowerLimitLagHi[4]; 96fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const int16_t WebRtcIsac_kQindexUpperLimitLagHi[4]; 97b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 98b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* initial index for arithmetic decoder */ 99fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgextern const uint16_t WebRtcIsac_kQInitIndexLagHi[3]; 100b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 101b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* mean values of pitch filter lags */ 102b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgextern const double WebRtcIsac_kQMeanLag2Hi[67]; 103b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgextern const double WebRtcIsac_kQMeanLag3Hi[1]; 104b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgextern const double WebRtcIsac_kQMeanLag4Hi[34]; 105b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 106b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgextern const double WebRtcIsac_kQPitchLagStepsizeHi; 107b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 108b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* transform matrix */ 109b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgextern const double WebRtcIsac_kTransform[4][4]; 110b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 111b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* transpose transform matrix */ 112b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgextern const double WebRtcIsac_kTransformTranspose[4][4]; 113b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 114b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org#endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_PITCH_LAG_TABLES_H_ */ 115