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 #ifndef __LVCS_REVERBGENERATOR_H__ 19 #define __LVCS_REVERBGENERATOR_H__ 20 21 #ifdef __cplusplus 22 extern "C" { 23 #endif /* __cplusplus */ 24 25 26 /************************************************************************************/ 27 /* */ 28 /* Includes */ 29 /* */ 30 /************************************************************************************/ 31 32 #include "LVC_Mixer.h" 33 34 35 /************************************************************************************/ 36 /* */ 37 /* Defines */ 38 /* */ 39 /************************************************************************************/ 40 41 #define HEADPHONEGAINPROC LVCS_HEADPHONE_PROCGAIN 42 #define HEADPHONEGAINUNPROC LVCS_HEADPHONE_UNPROCGAIN 43 44 45 /************************************************************************************/ 46 /* */ 47 /* Structures */ 48 /* */ 49 /************************************************************************************/ 50 51 52 /* Reverberation module structure */ 53 typedef struct 54 { 55 56 /* Stereo delay */ 57 LVM_INT16 DelaySize; 58 LVM_INT16 DelayOffset; 59 LVM_INT16 ProcGain; 60 LVM_INT16 UnprocGain; 61 #ifndef BUILD_FLOAT 62 LVM_INT16 StereoSamples[2*LVCS_STEREODELAY_CS_48KHZ]; 63 /* Reverb Level */ 64 LVM_INT16 ReverbLevel; 65 /* Filter */ 66 void (*pBiquadCallBack) (Biquad_Instance_t*, LVM_INT16*, LVM_INT16*, LVM_INT16); 67 #else 68 LVM_FLOAT StereoSamples[2 * LVCS_STEREODELAY_CS_MAX_VAL]; 69 /* Reverb Level */ 70 LVM_FLOAT ReverbLevel; 71 /* Filter */ 72 void (*pBiquadCallBack) (Biquad_FLOAT_Instance_t*, 73 LVM_FLOAT*, LVM_FLOAT*, LVM_INT16); 74 #endif 75 } LVCS_ReverbGenerator_t; 76 77 78 /************************************************************************************/ 79 /* */ 80 /* Function prototypes */ 81 /* */ 82 /************************************************************************************/ 83 84 LVCS_ReturnStatus_en LVCS_ReverbGeneratorInit(LVCS_Handle_t hInstance, 85 LVCS_Params_t *pParams); 86 #ifdef BUILD_FLOAT 87 LVCS_ReturnStatus_en LVCS_ReverbGenerator(LVCS_Handle_t hInstance, 88 const LVM_FLOAT *pInput, 89 LVM_FLOAT *pOutput, 90 LVM_UINT16 NumSamples); 91 #else 92 LVCS_ReturnStatus_en LVCS_ReverbGenerator(LVCS_Handle_t hInstance, 93 const LVM_INT16 *pInput, 94 LVM_INT16 *pOutput, 95 LVM_UINT16 NumSamples); 96 #endif 97 #ifdef __cplusplus 98 } 99 #endif /* __cplusplus */ 100 101 #endif /* REVERB_H */ 102
