1 /* 2 * Copyright (C) 2004-2010 NXP Software 3 * Copyright (C) 2010 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 /************************************************************************************/ 19 /* */ 20 /* Includes */ 21 /* */ 22 /************************************************************************************/ 23 #ifndef __LVBDE_TABLES_H__ 24 #define __LVBDE_TABLES_H__ 25 26 #include "BIQUAD.h" 27 #include "LVM_Types.h" 28 29 /************************************************************************************/ 30 /* */ 31 /* Coefficients constant table */ 32 /* */ 33 /************************************************************************************/ 34 35 /* 36 * High Pass Filter Coefficient table 37 */ 38 extern const BQ_FLOAT_Coefs_t LVDBE_HPF_Table[]; 39 40 /* 41 * Band Pass Filter coefficient table 42 */ 43 extern const BP_FLOAT_Coefs_t LVDBE_BPF_Table[]; 44 45 /************************************************************************************/ 46 /* */ 47 /* AGC constant tables */ 48 /* */ 49 /************************************************************************************/ 50 51 /* Attack time (signal too large) */ 52 extern const LVM_FLOAT LVDBE_AGC_ATTACK_Table[]; 53 54 /* Decay time (signal too small) */ 55 extern const LVM_FLOAT LVDBE_AGC_DECAY_Table[]; 56 57 /* Gain for use without the high pass filter */ 58 extern const LVM_FLOAT LVDBE_AGC_GAIN_Table[]; 59 60 /* Gain for use with the high pass filter */ 61 extern const LVM_FLOAT LVDBE_AGC_HPFGAIN_Table[]; 62 63 /************************************************************************************/ 64 /* */ 65 /* Volume control gain and time constant tables */ 66 /* */ 67 /************************************************************************************/ 68 69 /* dB to linear conversion table */ 70 extern const LVM_FLOAT LVDBE_VolumeTable[]; 71 extern const LVM_FLOAT LVDBE_VolumeTCTable[]; 72 73 extern const LVM_INT16 LVDBE_MixerTCTable[]; 74 75 #endif /* __LVBDE_TABLES_H__ */ 76