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 /************************************************************************************/ 22 /* */ 23 /* Includes */ 24 /* */ 25 /************************************************************************************/ 26 27 #include "LVC_Mixer.h" 28 29 /************************************************************************************/ 30 /* */ 31 /* Defines */ 32 /* */ 33 /************************************************************************************/ 34 35 #define HEADPHONEGAINPROC LVCS_HEADPHONE_PROCGAIN 36 #define HEADPHONEGAINUNPROC LVCS_HEADPHONE_UNPROCGAIN 37 38 /************************************************************************************/ 39 /* */ 40 /* Structures */ 41 /* */ 42 /************************************************************************************/ 43 44 /* Reverberation module structure */ 45 typedef struct { 46 /* Stereo delay */ 47 LVM_INT16 DelaySize; 48 LVM_INT16 DelayOffset; 49 LVM_INT16 ProcGain; 50 LVM_INT16 UnprocGain; 51 LVM_FLOAT StereoSamples[2 * LVCS_STEREODELAY_CS_MAX_VAL]; 52 /* Reverb Level */ 53 LVM_FLOAT ReverbLevel; 54 } LVCS_ReverbGenerator_t; 55 56 /************************************************************************************/ 57 /* */ 58 /* Function prototypes */ 59 /* */ 60 /************************************************************************************/ 61 62 LVCS_ReturnStatus_en LVCS_ReverbGeneratorInit(LVCS_Handle_t hInstance, LVCS_Params_t* pParams); 63 LVCS_ReturnStatus_en LVCS_ReverbGenerator(LVCS_Handle_t hInstance, const LVM_FLOAT* pInput, 64 LVM_FLOAT* pOutput, LVM_UINT16 NumSamples); 65 66 #endif /* REVERB_H */ 67