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diff --git a/media/libeffects/lvm/lib/Common/lib/BIQUAD.h b/media/libeffects/lvm/lib/Common/lib/BIQUAD.h
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+/*
+ * Copyright (C) 2004-2010 NXP Software
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**********************************************************************************
+
+ $Author: beq07716 $
+ $Revision: 722 $
+ $Date: 2010-06-10 15:12:34 +0200 (Thu, 10 Jun 2010) $
+
+***********************************************************************************/
+
+#ifndef _BIQUAD_H_
+#define _BIQUAD_H_
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#include "LVM_Types.h"
+/**********************************************************************************
+ INSTANCE MEMORY TYPE DEFINITION
+***********************************************************************************/
+
+typedef struct
+{
+ LVM_INT32 Storage[6];
+
+} Biquad_Instance_t;
+
+
+/**********************************************************************************
+ COEFFICIENT TYPE DEFINITIONS
+***********************************************************************************/
+
+/*** Biquad coefficients **********************************************************/
+typedef struct
+{
+ LVM_INT16 A2; /* a2 */
+ LVM_INT16 A1; /* a1 */
+ LVM_INT16 A0; /* a0 */
+ LVM_INT16 B2; /* -b2! */
+ LVM_INT16 B1; /* -b1! */
+} BQ_C16_Coefs_t;
+
+typedef struct
+{
+ LVM_INT32 A2; /* a2 */
+ LVM_INT32 A1; /* a1 */
+ LVM_INT32 A0; /* a0 */
+ LVM_INT32 B2; /* -b2! */
+ LVM_INT32 B1; /* -b1! */
+} BQ_C32_Coefs_t;
+
+/*** First order coefficients *****************************************************/
+typedef struct
+{
+ LVM_INT16 A1; /* a1 */
+ LVM_INT16 A0; /* a0 */
+ LVM_INT16 B1; /* -b1! */
+} FO_C16_Coefs_t;
+
+typedef struct
+{
+ LVM_INT32 A1; /* a1 */
+ LVM_INT32 A0; /* a0 */
+ LVM_INT32 B1; /* -b1! */
+} FO_C32_Coefs_t;
+
+/*** First order coefficients with Shift*****************************************************/
+typedef struct
+{
+ LVM_INT16 A1; /* a1 */
+ LVM_INT16 A0; /* a0 */
+ LVM_INT16 B1; /* -b1! */
+ LVM_INT16 Shift; /* Shift */
+} FO_C16_LShx_Coefs_t;
+
+/*** Band pass coefficients *******************************************************/
+typedef struct
+{
+ LVM_INT16 A0; /* a0 */
+ LVM_INT16 B2; /* -b2! */
+ LVM_INT16 B1; /* -b1! */
+} BP_C16_Coefs_t;
+
+typedef struct
+{
+ LVM_INT32 A0; /* a0 */
+ LVM_INT32 B2; /* -b2! */
+ LVM_INT32 B1; /* -b1! */
+} BP_C32_Coefs_t;
+
+/*** Peaking coefficients *********************************************************/
+typedef struct
+{
+ LVM_INT16 A0; /* a0 */
+ LVM_INT16 B2; /* -b2! */
+ LVM_INT16 B1; /* -b1! */
+ LVM_INT16 G; /* Gain */
+} PK_C16_Coefs_t;
+
+typedef struct
+{
+ LVM_INT32 A0; /* a0 */
+ LVM_INT32 B2; /* -b2! */
+ LVM_INT32 B1; /* -b1! */
+ LVM_INT16 G; /* Gain */
+} PK_C32_Coefs_t;
+
+
+/**********************************************************************************
+ TAPS TYPE DEFINITIONS
+***********************************************************************************/
+
+/*** Types used for first order and shelving filter *******************************/
+
+typedef struct
+{
+ LVM_INT32 Storage[ (1*2) ]; /* One channel, two taps of size LVM_INT32 */
+} Biquad_1I_Order1_Taps_t;
+
+typedef struct
+{
+ LVM_INT32 Storage[ (2*2) ]; /* Two channels, two taps of size LVM_INT32 */
+} Biquad_2I_Order1_Taps_t;
+
+
+/*** Types used for biquad, band pass and peaking filter **************************/
+
+typedef struct
+{
+ LVM_INT32 Storage[ (1*4) ]; /* One channel, four taps of size LVM_INT32 */
+} Biquad_1I_Order2_Taps_t;
+
+typedef struct
+{
+ LVM_INT32 Storage[ (2*4) ]; /* Two channels, four taps of size LVM_INT32 */
+} Biquad_2I_Order2_Taps_t;
+
+/* The names of the functions are changed to satisfy QAC rules: Name should be Unique withing 16 characters*/
+#define BQ_2I_D32F32Cll_TRC_WRA_01_Init Init_BQ_2I_D32F32Cll_TRC_WRA_01
+#define BP_1I_D32F32C30_TRC_WRA_02 TWO_BP_1I_D32F32C30_TRC_WRA_02
+
+/**********************************************************************************
+ FUNCTION PROTOTYPES: BIQUAD FILTERS
+***********************************************************************************/
+
+/*** 16 bit data path *************************************************************/
+
+void BQ_2I_D16F32Css_TRC_WRA_01_Init ( Biquad_Instance_t *pInstance,
+ Biquad_2I_Order2_Taps_t *pTaps,
+ BQ_C16_Coefs_t *pCoef);
+
+void BQ_2I_D16F32C15_TRC_WRA_01 ( Biquad_Instance_t *pInstance,
+ LVM_INT16 *pDataIn,
+ LVM_INT16 *pDataOut,
+ LVM_INT16 NrSamples);
+
+void BQ_2I_D16F32C14_TRC_WRA_01 ( Biquad_Instance_t *pInstance,
+ LVM_INT16 *pDataIn,
+ LVM_INT16 *pDataOut,
+ LVM_INT16 NrSamples);
+
+void BQ_2I_D16F32C13_TRC_WRA_01 ( Biquad_Instance_t *pInstance,
+ LVM_INT16 *pDataIn,
+ LVM_INT16 *pDataOut,
+ LVM_INT16 NrSamples);
+
+void BQ_2I_D16F16Css_TRC_WRA_01_Init ( Biquad_Instance_t *pInstance,
+ Biquad_2I_Order2_Taps_t *pTaps,
+ BQ_C16_Coefs_t *pCoef);
+
+void BQ_2I_D16F16C15_TRC_WRA_01( Biquad_Instance_t *pInstance,
+ LVM_INT16 *pDataIn,
+ LVM_INT16 *pDataOut,
+ LVM_INT16 NrSamples);
+
+void BQ_2I_D16F16C14_TRC_WRA_01( Biquad_Instance_t *pInstance,
+ LVM_INT16 *pDataIn,
+ LVM_INT16 *pDataOut,
+ LVM_INT16 NrSamples);
+
+void BQ_1I_D16F16Css_TRC_WRA_01_Init ( Biquad_Instance_t *pInstance,
+ Biquad_1I_Order2_Taps_t *pTaps,
+ BQ_C16_Coefs_t *pCoef);
+
+void BQ_1I_D16F16C15_TRC_WRA_01( Biquad_Instance_t *pInstance,
+ LVM_INT16 *pDataIn,
+ LVM_INT16 *pDataOut,
+ LVM_INT16 NrSamples);
+
+void BQ_1I_D16F32Css_TRC_WRA_01_Init ( Biquad_Instance_t *pInstance,
+ Biquad_1I_Order2_Taps_t *pTaps,
+ BQ_C16_Coefs_t *pCoef);
+
+void BQ_1I_D16F32C14_TRC_WRA_01 ( Biquad_Instance_t *pInstance,
+ LVM_INT16 *pDataIn,
+ LVM_INT16 *pDataOut,
+ LVM_INT16 NrSamples);
+
+/*** 32 bit data path *************************************************************/
+
+void BQ_2I_D32F32Cll_TRC_WRA_01_Init ( Biquad_Instance_t *pInstance,
+ Biquad_2I_Order2_Taps_t *pTaps,
+ BQ_C32_Coefs_t *pCoef);
+
+void BQ_2I_D32F32C30_TRC_WRA_01 ( Biquad_Instance_t *pInstance,
+ LVM_INT32 *pDataIn,
+ LVM_INT32 *pDataOut,
+ LVM_INT16 NrSamples);
+
+/**********************************************************************************
+ FUNCTION PROTOTYPES: FIRST ORDER FILTERS
+***********************************************************************************/
+
+/*** 16 bit data path *************************************************************/
+
+void FO_1I_D16F16Css_TRC_WRA_01_Init( Biquad_Instance_t *pInstance,
+ Biquad_1I_Order1_Taps_t *pTaps,
+ FO_C16_Coefs_t *pCoef);
+
+void FO_1I_D16F16C15_TRC_WRA_01( Biquad_Instance_t *pInstance,
+ LVM_INT16 *pDataIn,
+ LVM_INT16 *pDataOut,
+ LVM_INT16 NrSamples);
+
+void FO_2I_D16F32Css_LShx_TRC_WRA_01_Init(Biquad_Instance_t *pInstance,
+ Biquad_2I_Order1_Taps_t *pTaps,
+ FO_C16_LShx_Coefs_t *pCoef);
+
+void FO_2I_D16F32C15_LShx_TRC_WRA_01(Biquad_Instance_t *pInstance,
+ LVM_INT16 *pDataIn,
+ LVM_INT16 *pDataOut,
+ LVM_INT16 NrSamples);
+
+/*** 32 bit data path *************************************************************/
+
+void FO_1I_D32F32Cll_TRC_WRA_01_Init( Biquad_Instance_t *pInstance,
+ Biquad_1I_Order1_Taps_t *pTaps,
+ FO_C32_Coefs_t *pCoef);
+
+void FO_1I_D32F32C31_TRC_WRA_01( Biquad_Instance_t *pInstance,
+ LVM_INT32 *pDataIn,
+ LVM_INT32 *pDataOut,
+ LVM_INT16 NrSamples);
+
+/**********************************************************************************
+ FUNCTION PROTOTYPES: BAND PASS FILTERS
+***********************************************************************************/
+
+/*** 16 bit data path *************************************************************/
+
+void BP_1I_D16F16Css_TRC_WRA_01_Init ( Biquad_Instance_t *pInstance,
+ Biquad_1I_Order2_Taps_t *pTaps,
+ BP_C16_Coefs_t *pCoef);
+
+void BP_1I_D16F16C14_TRC_WRA_01 ( Biquad_Instance_t *pInstance,
+ LVM_INT16 *pDataIn,
+ LVM_INT16 *pDataOut,
+ LVM_INT16 NrSamples);
+
+void BP_1I_D16F32Cll_TRC_WRA_01_Init ( Biquad_Instance_t *pInstance,
+ Biquad_1I_Order2_Taps_t *pTaps,
+ BP_C32_Coefs_t *pCoef);
+
+void BP_1I_D16F32C30_TRC_WRA_01 ( Biquad_Instance_t *pInstance,
+ LVM_INT16 *pDataIn,
+ LVM_INT16 *pDataOut,
+ LVM_INT16 NrSamples);
+
+
+/*** 32 bit data path *************************************************************/
+
+void BP_1I_D32F32Cll_TRC_WRA_02_Init ( Biquad_Instance_t *pInstance,
+ Biquad_1I_Order2_Taps_t *pTaps,
+ BP_C32_Coefs_t *pCoef);
+
+void BP_1I_D32F32C30_TRC_WRA_02( Biquad_Instance_t *pInstance,
+ LVM_INT32 *pDataIn,
+ LVM_INT32 *pDataOut,
+ LVM_INT16 NrSamples);
+
+
+/*** 32 bit data path STEREO ******************************************************/
+
+void PK_2I_D32F32CllGss_TRC_WRA_01_Init ( Biquad_Instance_t *pInstance,
+ Biquad_2I_Order2_Taps_t *pTaps,
+ PK_C32_Coefs_t *pCoef);
+
+void PK_2I_D32F32C30G11_TRC_WRA_01 ( Biquad_Instance_t *pInstance,
+ LVM_INT32 *pDataIn,
+ LVM_INT32 *pDataOut,
+ LVM_INT16 NrSamples);
+
+void PK_2I_D32F32CssGss_TRC_WRA_01_Init ( Biquad_Instance_t *pInstance,
+ Biquad_2I_Order2_Taps_t *pTaps,
+ PK_C16_Coefs_t *pCoef);
+
+void PK_2I_D32F32C14G11_TRC_WRA_01 ( Biquad_Instance_t *pInstance,
+ LVM_INT32 *pDataIn,
+ LVM_INT32 *pDataOut,
+ LVM_INT16 NrSamples);
+
+
+/**********************************************************************************
+ FUNCTION PROTOTYPES: DC REMOVAL FILTERS
+***********************************************************************************/
+
+/*** 16 bit data path STEREO ******************************************************/
+
+void DC_2I_D16_TRC_WRA_01_Init ( Biquad_Instance_t *pInstance);
+
+void DC_2I_D16_TRC_WRA_01 ( Biquad_Instance_t *pInstance,
+ LVM_INT16 *pDataIn,
+ LVM_INT16 *pDataOut,
+ LVM_INT16 NrSamples);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+/**********************************************************************************/
+
+#endif /** _BIQUAD_H_ **/
+
generated by cgit v1.1 at 2024-05-14 21:58:54 +0000