12c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* 22c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Copyright (C) 2004-2010 NXP Software 32c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Copyright (C) 2010 The Android Open Source Project 42c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * 52c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Licensed under the Apache License, Version 2.0 (the "License"); 62c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * you may not use this file except in compliance with the License. 72c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * You may obtain a copy of the License at 82c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * 92c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * http://www.apache.org/licenses/LICENSE-2.0 102c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * 112c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Unless required by applicable law or agreed to in writing, software 122c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * distributed under the License is distributed on an "AS IS" BASIS, 132c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 142c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * See the License for the specific language governing permissions and 152c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * limitations under the License. 162c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent */ 172c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 182c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#ifndef __LVEQNB_PRIVATE_H__ 192c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#define __LVEQNB_PRIVATE_H__ 202c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 212c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#ifdef __cplusplus 222c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurentextern "C" { 232c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#endif /* __cplusplus */ 242c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 252c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 262c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 272c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* */ 282c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* Includes */ 292c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* */ 302c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 312c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 322c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "LVEQNB.h" /* Calling or Application layer definitions */ 332c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "BIQUAD.h" 342c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "LVC_Mixer.h" 352c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 362c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 372c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* */ 382c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* Defines */ 392c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* */ 402c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 412c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 422c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* General */ 432c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#define LVEQNB_INVALID 0xFFFF /* Invalid init parameter */ 442c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 452c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* Memory */ 462c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#define LVEQNB_INSTANCE_ALIGN 4 /* 32-bit alignment for instance structures */ 472c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#define LVEQNB_DATA_ALIGN 4 /* 32-bit alignment for structures */ 482c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#define LVEQNB_COEF_ALIGN 4 /* 32-bit alignment for long words */ 492c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#define LVEQNB_SCRATCHBUFFERS 4 /* Number of buffers required for inplace processing */ 502c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#define LVEQNB_SCRATCH_ALIGN 4 /* 32-bit alignment for long data */ 512c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 522c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#define LVEQNB_BYPASS_MIXER_TC 100 /* Bypass Mixer TC */ 532c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 542c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 552c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* */ 562c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* Types */ 572c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* */ 582c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 592c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 602c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* Filter biquad types */ 612c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurenttypedef enum 622c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent{ 632c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVEQNB_SinglePrecision = 0, 642c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVEQNB_DoublePrecision = 1, 652c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVEQNB_OutOfRange = 2, 662c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVEQNB_BIQUADTYPE_MAX = LVM_MAXINT_32 672c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent} LVEQNB_BiquadType_en; 682c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 692c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 702c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 712c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* */ 722c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* Structures */ 732c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* */ 742c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 752c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 762c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 772c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 782c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* Instance structure */ 792c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurenttypedef struct 802c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent{ 812c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /* Public parameters */ 822c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVEQNB_MemTab_t MemoryTable; /* Instance memory allocation table */ 832c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVEQNB_Params_t Params; /* Instance parameters */ 842c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVEQNB_Capabilities_t Capabilities; /* Instance capabilities */ 852c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 862c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /* Aligned memory pointers */ 872c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 *pFastTemporary; /* Fast temporary data base address */ 882c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 892c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /* Process variables */ 902c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Biquad_2I_Order2_Taps_t *pEQNB_Taps; /* Equaliser Taps */ 912c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Biquad_Instance_t *pEQNB_FilterState; /* State for each filter band */ 922c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 932c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /* Filter definitions and call back */ 942c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_UINT16 NBands; /* Number of bands */ 952c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVEQNB_BandDef_t *pBandDefinitions; /* Filter band definitions */ 962c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVEQNB_BiquadType_en *pBiquadType; /* Filter biquad types */ 972c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 982c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /* Bypass variable */ 992c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVMixer3_2St_st BypassMixer; /* Bypass mixer used in transitions */ 1002c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 bInOperatingModeTransition; /* Operating mode transition flag */ 1012c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1022c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent} LVEQNB_Instance_t; 1032c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1042c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1052c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 1062c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* */ 1072c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* Function prototypes */ 1082c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* */ 1092c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 1102c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1112c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurentvoid LVEQNB_SetFilters(LVEQNB_Instance_t *pInstance, 1122c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVEQNB_Params_t *pParams); 1132c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1142c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurentvoid LVEQNB_SetCoefficients(LVEQNB_Instance_t *pInstance); 1152c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1162c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurentvoid LVEQNB_ClearFilterHistory(LVEQNB_Instance_t *pInstance); 1172c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1182c8e5cab3faa6d360e222b7a6c40a80083d021acEric LaurentLVEQNB_ReturnStatus_en LVEQNB_SinglePrecCoefs(LVM_UINT16 Fs, 1192c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVEQNB_BandDef_t *pFilterDefinition, 1202c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent PK_C16_Coefs_t *pCoefficients); 1212c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1222c8e5cab3faa6d360e222b7a6c40a80083d021acEric LaurentLVEQNB_ReturnStatus_en LVEQNB_DoublePrecCoefs(LVM_UINT16 Fs, 1232c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVEQNB_BandDef_t *pFilterDefinition, 1242c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent PK_C32_Coefs_t *pCoefficients); 1252c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1262c8e5cab3faa6d360e222b7a6c40a80083d021acEric LaurentLVM_INT32 LVEQNB_BypassMixerCallBack (void* hInstance, void *pGeneralPurpose, LVM_INT16 CallbackParam); 1272c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1282c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#ifdef __cplusplus 1292c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent} 1302c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#endif /* __cplusplus */ 1312c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1322c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#endif /* __LVEQNB_PRIVATE_H__ */ 1332c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 134