93 lines
3.1 KiB
C
93 lines
3.1 KiB
C
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/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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/******************************************************************
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iLBC Speech Coder ANSI-C Source Code
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constants.h
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******************************************************************/
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#ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_CONSTANTS_H_
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#define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_CONSTANTS_H_
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#include "modules/audio_coding/codecs/ilbc/defines.h"
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/* high pass filters */
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extern const int16_t WebRtcIlbcfix_kHpInCoefs[];
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extern const int16_t WebRtcIlbcfix_kHpOutCoefs[];
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/* Window for start state decision */
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extern const int16_t WebRtcIlbcfix_kStartSequenceEnrgWin[];
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/* low pass filter used for downsampling */
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extern const int16_t WebRtcIlbcfix_kLpFiltCoefs[];
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/* LPC analysis and quantization */
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extern const int16_t WebRtcIlbcfix_kLpcWin[];
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extern const int16_t WebRtcIlbcfix_kLpcAsymWin[];
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extern const int32_t WebRtcIlbcfix_kLpcLagWin[];
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extern const int16_t WebRtcIlbcfix_kLpcChirpSyntDenum[];
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extern const int16_t WebRtcIlbcfix_kLpcChirpWeightDenum[];
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extern const int16_t WebRtcIlbcfix_kLsfDimCb[];
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extern const int16_t WebRtcIlbcfix_kLsfSizeCb[];
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extern const int16_t WebRtcIlbcfix_kLsfCb[];
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extern const int16_t WebRtcIlbcfix_kLsfWeight20ms[];
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extern const int16_t WebRtcIlbcfix_kLsfWeight30ms[];
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extern const int16_t WebRtcIlbcfix_kLsfMean[];
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extern const int16_t WebRtcIlbcfix_kLspMean[];
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extern const int16_t WebRtcIlbcfix_kCos[];
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extern const int16_t WebRtcIlbcfix_kCosDerivative[];
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extern const int16_t WebRtcIlbcfix_kCosGrid[];
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extern const int16_t WebRtcIlbcfix_kAcosDerivative[];
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/* state quantization tables */
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extern const int16_t WebRtcIlbcfix_kStateSq3[];
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extern const int32_t WebRtcIlbcfix_kChooseFrgQuant[];
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extern const int16_t WebRtcIlbcfix_kScale[];
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extern const int16_t WebRtcIlbcfix_kFrgQuantMod[];
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/* Ranges for search and filters at different subframes */
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extern const size_t WebRtcIlbcfix_kSearchRange[5][CB_NSTAGES];
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extern const size_t WebRtcIlbcfix_kFilterRange[];
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/* gain quantization tables */
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extern const int16_t WebRtcIlbcfix_kGainSq3[];
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extern const int16_t WebRtcIlbcfix_kGainSq4[];
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extern const int16_t WebRtcIlbcfix_kGainSq5[];
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extern const int16_t WebRtcIlbcfix_kGainSq5Sq[];
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extern const int16_t* const WebRtcIlbcfix_kGain[];
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/* adaptive codebook definitions */
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extern const int16_t WebRtcIlbcfix_kCbFiltersRev[];
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extern const int16_t WebRtcIlbcfix_kAlpha[];
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/* enhancer definitions */
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extern const int16_t WebRtcIlbcfix_kEnhPolyPhaser[ENH_UPS0]
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[ENH_FLO_MULT2_PLUS1];
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extern const int16_t WebRtcIlbcfix_kEnhWt[];
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extern const size_t WebRtcIlbcfix_kEnhPlocs[];
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/* PLC tables */
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extern const int16_t WebRtcIlbcfix_kPlcPerSqr[];
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extern const int16_t WebRtcIlbcfix_kPlcPitchFact[];
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extern const int16_t WebRtcIlbcfix_kPlcPfSlope[];
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#endif
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