blob: 788e5536b7a3cc2064f28e17cf59ca275fa225c0 [file] [log] [blame]
* 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_gain_tables.h
* This file contains tables for the pitch filter side-info in the entropy coder.
#include "typedefs.h"
/********************* Pitch Filter Gain Coefficient Tables ************************/
/* cdf for quantized pitch filter gains */
extern const WebRtc_UWord16 WebRtcIsacfix_kPitchGainCdf[255];
/* index limits and ranges */
extern const WebRtc_Word16 WebRtcIsacfix_kLowerlimiGain[3];
extern const WebRtc_Word16 WebRtcIsacfix_kUpperlimitGain[3];
extern const WebRtc_UWord16 WebRtcIsacfix_kMultsGain[2];
/* mean values of pitch filter gains in Q12*/
extern const WebRtc_Word16 WebRtcIsacfix_kPitchGain1[144];
extern const WebRtc_Word16 WebRtcIsacfix_kPitchGain2[144];
extern const WebRtc_Word16 WebRtcIsacfix_kPitchGain3[144];
extern const WebRtc_Word16 WebRtcIsacfix_kPitchGain4[144];
/* size of cdf table */
extern const WebRtc_UWord16 WebRtcIsacfix_kCdfTableSizeGain[1];
/* transform matrix */
extern const WebRtc_Word16 WebRtcIsacfix_kTransform[4][4];