EffectReverb.c revision e1315cf0b63b4c14a77046519e6b01f6f60d74b0
1135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/* 2135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Copyright (C) 2008 The Android Open Source Project 3135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 4135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Licensed under the Apache License, Version 2.0 (the "License"); 5135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * you may not use this file except in compliance with the License. 6135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * You may obtain a copy of the License at 7135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 8135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * http://www.apache.org/licenses/LICENSE-2.0 9135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 10135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Unless required by applicable law or agreed to in writing, software 11135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * distributed under the License is distributed on an "AS IS" BASIS, 12135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * See the License for the specific language governing permissions and 14135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * limitations under the License. 15135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 16135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 17135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent#define LOG_TAG "EffectReverb" 18e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent//#define LOG_NDEBUG 0 19135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent#include <cutils/log.h> 20be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent#include <stdlib.h> 21be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent#include <string.h> 22135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent#include <stdbool.h> 23135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent#include "EffectReverb.h" 24135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent#include "EffectsMath.h" 25135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 26e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent// effect_handle_t interface implementation for reverb effect 27135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentconst struct effect_interface_s gReverbInterface = { 28135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent Reverb_Process, 29e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent Reverb_Command, 30e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent Reverb_GetDescriptor 31135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent}; 32135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 33135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent// Google auxiliary environmental reverb UUID: 1f0ae2e0-4ef7-11df-bc09-0002a5d5c51b 34135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic const effect_descriptor_t gAuxEnvReverbDescriptor = { 35135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent {0xc2e5d5f0, 0x94bd, 0x4763, 0x9cac, {0x4e, 0x23, 0x4d, 0x06, 0x83, 0x9e}}, 36135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent {0x1f0ae2e0, 0x4ef7, 0x11df, 0xbc09, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, 37e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent EFFECT_CONTROL_API_VERSION, 38ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent // flags other than EFFECT_FLAG_TYPE_AUXILIARY set for test purpose 39ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent EFFECT_FLAG_TYPE_AUXILIARY | EFFECT_FLAG_DEVICE_IND | EFFECT_FLAG_AUDIO_MODE_IND, 40ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent 0, // TODO 41ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent 33, 42135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent "Aux Environmental Reverb", 43e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent "The Android Open Source Project" 44135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent}; 45135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 46135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent// Google insert environmental reverb UUID: aa476040-6342-11df-91a4-0002a5d5c51b 47135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic const effect_descriptor_t gInsertEnvReverbDescriptor = { 48135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent {0xc2e5d5f0, 0x94bd, 0x4763, 0x9cac, {0x4e, 0x23, 0x4d, 0x06, 0x83, 0x9e}}, 49135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent {0xaa476040, 0x6342, 0x11df, 0x91a4, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, 50e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent EFFECT_CONTROL_API_VERSION, 51135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST, 52ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent 0, // TODO 53ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent 33, 54135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent "Insert Environmental reverb", 55e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent "The Android Open Source Project" 56135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent}; 57135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 58135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent// Google auxiliary preset reverb UUID: 63909320-53a6-11df-bdbd-0002a5d5c51b 59135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic const effect_descriptor_t gAuxPresetReverbDescriptor = { 60cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent {0x47382d60, 0xddd8, 0x11db, 0xbf3a, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, 61135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent {0x63909320, 0x53a6, 0x11df, 0xbdbd, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, 62e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent EFFECT_CONTROL_API_VERSION, 63135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent EFFECT_FLAG_TYPE_AUXILIARY, 64ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent 0, // TODO 65ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent 33, 66135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent "Aux Preset Reverb", 67e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent "The Android Open Source Project" 68135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent}; 69135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 70135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent// Google insert preset reverb UUID: d93dc6a0-6342-11df-b128-0002a5d5c51b 71135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic const effect_descriptor_t gInsertPresetReverbDescriptor = { 72cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent {0x47382d60, 0xddd8, 0x11db, 0xbf3a, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, 73135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent {0xd93dc6a0, 0x6342, 0x11df, 0xb128, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, 74e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent EFFECT_CONTROL_API_VERSION, 75135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST, 76ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent 0, // TODO 77ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent 33, 78135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent "Insert Preset Reverb", 79e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent "The Android Open Source Project" 80135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent}; 81135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 82135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent// gDescriptors contains pointers to all defined effect descriptor in this library 83135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic const effect_descriptor_t * const gDescriptors[] = { 84135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent &gAuxEnvReverbDescriptor, 85135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent &gInsertEnvReverbDescriptor, 86135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent &gAuxPresetReverbDescriptor, 87ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent &gInsertPresetReverbDescriptor 88135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent}; 89135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 90135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 91135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Effect API implementation 92135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *--------------------------------------------------------------------------*/ 93135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 94135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*--- Effect Library Interface Implementation ---*/ 95135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 96be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentint EffectQueryNumberEffects(uint32_t *pNumEffects) { 97ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent *pNumEffects = sizeof(gDescriptors) / sizeof(const effect_descriptor_t *); 98135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 99135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 100135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 101ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurentint EffectQueryEffect(uint32_t index, effect_descriptor_t *pDescriptor) { 102135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pDescriptor == NULL) { 103135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 104135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 105ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent if (index >= sizeof(gDescriptors) / sizeof(const effect_descriptor_t *)) { 106ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent return -EINVAL; 107135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 108ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent memcpy(pDescriptor, gDescriptors[index], 109135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent sizeof(effect_descriptor_t)); 110135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 111135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 112135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 113135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentint EffectCreate(effect_uuid_t *uuid, 114ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent int32_t sessionId, 115ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent int32_t ioId, 116e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent effect_handle_t *pHandle) { 117135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int ret; 118135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int i; 119135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent reverb_module_t *module; 120135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent const effect_descriptor_t *desc; 121135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int aux = 0; 122135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int preset = 0; 123135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 124135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent LOGV("EffectLibCreateEffect start"); 125135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 126e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if (pHandle == NULL || uuid == NULL) { 127135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 128135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 129135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 130135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent for (i = 0; gDescriptors[i] != NULL; i++) { 131135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent desc = gDescriptors[i]; 132135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (memcmp(uuid, &desc->uuid, sizeof(effect_uuid_t)) 133135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent == 0) { 134135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 135135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 136135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 137135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 138135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (gDescriptors[i] == NULL) { 139135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -ENOENT; 140135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 141135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 142135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent module = malloc(sizeof(reverb_module_t)); 143135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 144135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent module->itfe = &gReverbInterface; 145135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 146e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent module->context.mState = REVERB_STATE_UNINITIALIZED; 147e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent 148135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (memcmp(&desc->type, SL_IID_PRESETREVERB, sizeof(effect_uuid_t)) == 0) { 149135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent preset = 1; 150135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 151135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if ((desc->flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_AUXILIARY) { 152135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent aux = 1; 153135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 154135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent ret = Reverb_Init(module, aux, preset); 155135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (ret < 0) { 156135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent LOGW("EffectLibCreateEffect() init failed"); 157135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent free(module); 158135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return ret; 159135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 160135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 161e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent *pHandle = (effect_handle_t) module; 162135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 163e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent module->context.mState = REVERB_STATE_INITIALIZED; 164e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent 165ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent LOGV("EffectLibCreateEffect %p ,size %d", module, sizeof(reverb_module_t)); 166135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 167135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 168135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 169135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 170e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurentint EffectRelease(effect_handle_t handle) { 171e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent reverb_module_t *pRvbModule = (reverb_module_t *)handle; 172135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 173e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent LOGV("EffectLibReleaseEffect %p", handle); 174e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if (handle == NULL) { 175135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 176135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 177135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 178e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent pRvbModule->context.mState = REVERB_STATE_UNINITIALIZED; 179e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent 180135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent free(pRvbModule); 181135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 182135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 183135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 184e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurentint EffectGetDescriptor(effect_uuid_t *uuid, 185e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent effect_descriptor_t *pDescriptor) { 186e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent int i; 187e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent int length = sizeof(gDescriptors) / sizeof(const effect_descriptor_t *); 188e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 189e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if (pDescriptor == NULL || uuid == NULL){ 190e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent LOGV("EffectGetDescriptor() called with NULL pointer"); 191e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent return -EINVAL; 192e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } 193e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 194e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent for (i = 0; i < length; i++) { 195e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if (memcmp(uuid, &gDescriptors[i]->uuid, sizeof(effect_uuid_t)) == 0) { 196e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent memcpy(pDescriptor, gDescriptors[i], sizeof(effect_descriptor_t)); 197e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent LOGV("EffectGetDescriptor - UUID matched Reverb type %d, UUID = %x", 198e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent i, gDescriptors[i]->uuid.timeLow); 199e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent return 0; 200e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } 201e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } 202e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 203e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent return -EINVAL; 204e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent} /* end EffectGetDescriptor */ 205135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 206135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*--- Effect Control Interface Implementation ---*/ 207135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 208e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurentstatic int Reverb_Process(effect_handle_t self, audio_buffer_t *inBuffer, audio_buffer_t *outBuffer) { 209135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent reverb_object_t *pReverb; 210135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int16_t *pSrc, *pDst; 211135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent reverb_module_t *pRvbModule = (reverb_module_t *)self; 212135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 213135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pRvbModule == NULL) { 214135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 215135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 216135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 217135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (inBuffer == NULL || inBuffer->raw == NULL || 218135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent outBuffer == NULL || outBuffer->raw == NULL || 219135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent inBuffer->frameCount != outBuffer->frameCount) { 220135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 221135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 222135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 223135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb = (reverb_object_t*) &pRvbModule->context; 224135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 225e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent if (pReverb->mState == REVERB_STATE_UNINITIALIZED) { 226e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent return -EINVAL; 227e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent } 228e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent if (pReverb->mState == REVERB_STATE_INITIALIZED) { 229e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent return -ENODATA; 230e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent } 231e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent 232135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //if bypassed or the preset forces the signal to be completely dry 233cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (pReverb->m_bBypass != 0) { 234ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent if (inBuffer->raw != outBuffer->raw) { 235ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent int16_t smp; 236ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent pSrc = inBuffer->s16; 237ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent pDst = outBuffer->s16; 238ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent size_t count = inBuffer->frameCount; 239ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent if (pRvbModule->config.inputCfg.channels == pRvbModule->config.outputCfg.channels) { 240ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent count *= 2; 241ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent while (count--) { 242ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent *pDst++ = *pSrc++; 243ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } 244ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } else { 245ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent while (count--) { 246ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent smp = *pSrc++; 247ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent *pDst++ = smp; 248ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent *pDst++ = smp; 249ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } 250ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } 251135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 252135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 253135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 254135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 255135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pReverb->m_nNextRoom != pReverb->m_nCurrentRoom) { 256135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent ReverbUpdateRoom(pReverb, true); 257135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 258135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 259135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pSrc = inBuffer->s16; 260135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pDst = outBuffer->s16; 261135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent size_t numSamples = outBuffer->frameCount; 262135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent while (numSamples) { 263135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent uint32_t processedSamples; 264135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (numSamples > (uint32_t) pReverb->m_nUpdatePeriodInSamples) { 265135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent processedSamples = (uint32_t) pReverb->m_nUpdatePeriodInSamples; 266135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } else { 267135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent processedSamples = numSamples; 268135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 269135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 270135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* increment update counter */ 271135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdateCounter += (int16_t) processedSamples; 272135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* check if update counter needs to be reset */ 273135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pReverb->m_nUpdateCounter >= pReverb->m_nUpdatePeriodInSamples) { 274135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* update interval has elapsed, so reset counter */ 275135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdateCounter -= pReverb->m_nUpdatePeriodInSamples; 276135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent ReverbUpdateXfade(pReverb, pReverb->m_nUpdatePeriodInSamples); 277135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 278135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } /* end if m_nUpdateCounter >= update interval */ 279135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 280135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent Reverb(pReverb, processedSamples, pDst, pSrc); 281135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 282135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent numSamples -= processedSamples; 283135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pReverb->m_Aux) { 284ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent pSrc += processedSamples; 285135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } else { 286135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pSrc += processedSamples * NUM_OUTPUT_CHANNELS; 287135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 288ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent pDst += processedSamples * NUM_OUTPUT_CHANNELS; 289135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 290135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 291135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 292135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 293135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 294e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent 295e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurentstatic int Reverb_Command(effect_handle_t self, uint32_t cmdCode, uint32_t cmdSize, 29625f4395b932fa9859a6e91ba77c5d20d009da64aEric Laurent void *pCmdData, uint32_t *replySize, void *pReplyData) { 297135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent reverb_module_t *pRvbModule = (reverb_module_t *) self; 298135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent reverb_object_t *pReverb; 299135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int retsize; 300135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 301e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent if (pRvbModule == NULL || 302e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent pRvbModule->context.mState == REVERB_STATE_UNINITIALIZED) { 303135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 304135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 305135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 306135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb = (reverb_object_t*) &pRvbModule->context; 307135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 308135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent LOGV("Reverb_Command command %d cmdSize %d",cmdCode, cmdSize); 309135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 310135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent switch (cmdCode) { 311135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case EFFECT_CMD_INIT: 312135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pReplyData == NULL || *replySize != sizeof(int)) { 313135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 314135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 315135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *(int *) pReplyData = Reverb_Init(pRvbModule, pReverb->m_Aux, pReverb->m_Preset); 316e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent if (*(int *) pReplyData == 0) { 317e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent pRvbModule->context.mState = REVERB_STATE_INITIALIZED; 318e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent } 319135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 320135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case EFFECT_CMD_CONFIGURE: 321135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pCmdData == NULL || cmdSize != sizeof(effect_config_t) 322135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent || pReplyData == NULL || *replySize != sizeof(int)) { 323135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 324135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 325135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *(int *) pReplyData = Reverb_Configure(pRvbModule, 326135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent (effect_config_t *)pCmdData, false); 327135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 328135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case EFFECT_CMD_RESET: 329135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent Reverb_Reset(pReverb, false); 330135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 331135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case EFFECT_CMD_GET_PARAM: 332135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent LOGV("Reverb_Command EFFECT_CMD_GET_PARAM pCmdData %p, *replySize %d, pReplyData: %p",pCmdData, *replySize, pReplyData); 333135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 334135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pCmdData == NULL || cmdSize < (int)(sizeof(effect_param_t) + sizeof(int32_t)) || 335135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReplyData == NULL || *replySize < (int) sizeof(effect_param_t)) { 336135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 337135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 338135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent effect_param_t *rep = (effect_param_t *) pReplyData; 339135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent memcpy(pReplyData, pCmdData, sizeof(effect_param_t) + sizeof(int32_t)); 340135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent LOGV("Reverb_Command EFFECT_CMD_GET_PARAM param %d, replySize %d",*(int32_t *)rep->data, rep->vsize); 341135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent rep->status = Reverb_getParameter(pReverb, *(int32_t *)rep->data, &rep->vsize, 342135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent rep->data + sizeof(int32_t)); 343135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *replySize = sizeof(effect_param_t) + sizeof(int32_t) + rep->vsize; 344135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 345135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case EFFECT_CMD_SET_PARAM: 346135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent LOGV("Reverb_Command EFFECT_CMD_SET_PARAM cmdSize %d pCmdData %p, *replySize %d, pReplyData %p", 347135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent cmdSize, pCmdData, *replySize, pReplyData); 348135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pCmdData == NULL || (cmdSize < (int)(sizeof(effect_param_t) + sizeof(int32_t))) 349135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent || pReplyData == NULL || *replySize != (int)sizeof(int32_t)) { 350135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 351135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 352135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent effect_param_t *cmd = (effect_param_t *) pCmdData; 353135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *(int *)pReplyData = Reverb_setParameter(pReverb, *(int32_t *)cmd->data, 354135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent cmd->vsize, cmd->data + sizeof(int32_t)); 355135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 356ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent case EFFECT_CMD_ENABLE: 357e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent if (pReplyData == NULL || *replySize != sizeof(int)) { 358e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent return -EINVAL; 359e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent } 360e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent if (pReverb->mState != REVERB_STATE_INITIALIZED) { 361e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent return -ENOSYS; 362e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent } 363e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent pReverb->mState = REVERB_STATE_ACTIVE; 364e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent LOGV("EFFECT_CMD_ENABLE() OK"); 365e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent *(int *)pReplyData = 0; 366e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent break; 367ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent case EFFECT_CMD_DISABLE: 368ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent if (pReplyData == NULL || *replySize != sizeof(int)) { 369ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent return -EINVAL; 370ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } 371e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent if (pReverb->mState != REVERB_STATE_ACTIVE) { 372e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent return -ENOSYS; 373e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent } 374e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent pReverb->mState = REVERB_STATE_INITIALIZED; 375e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent LOGV("EFFECT_CMD_DISABLE() OK"); 376ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent *(int *)pReplyData = 0; 377ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent break; 378ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent case EFFECT_CMD_SET_DEVICE: 379ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent if (pCmdData == NULL || cmdSize != (int)sizeof(uint32_t)) { 380ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent return -EINVAL; 381ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } 382ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent LOGV("Reverb_Command EFFECT_CMD_SET_DEVICE: 0x%08x", *(uint32_t *)pCmdData); 383ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent break; 384ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent case EFFECT_CMD_SET_VOLUME: { 385ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent // audio output is always stereo => 2 channel volumes 386ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent if (pCmdData == NULL || cmdSize != (int)sizeof(uint32_t) * 2) { 387ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent return -EINVAL; 388ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } 389ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent float left = (float)(*(uint32_t *)pCmdData) / (1 << 24); 390ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent float right = (float)(*((uint32_t *)pCmdData + 1)) / (1 << 24); 391ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent LOGV("Reverb_Command EFFECT_CMD_SET_VOLUME: left %f, right %f ", left, right); 392ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent break; 393ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } 394ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent case EFFECT_CMD_SET_AUDIO_MODE: 395ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent if (pCmdData == NULL || cmdSize != (int)sizeof(uint32_t)) { 396ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent return -EINVAL; 397ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } 398ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent LOGV("Reverb_Command EFFECT_CMD_SET_AUDIO_MODE: %d", *(uint32_t *)pCmdData); 399ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent break; 400135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent default: 401135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent LOGW("Reverb_Command invalid command %d",cmdCode); 402135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 403135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 404135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 405135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 406135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 407135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 408e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurentint Reverb_GetDescriptor(effect_handle_t self, 409e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent effect_descriptor_t *pDescriptor) 410e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent{ 411e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent reverb_module_t *pRvbModule = (reverb_module_t *) self; 412e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent reverb_object_t *pReverb; 413e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent const effect_descriptor_t *desc; 414e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 415e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if (pRvbModule == NULL || 416e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent pRvbModule->context.mState == REVERB_STATE_UNINITIALIZED) { 417e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent return -EINVAL; 418e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } 419e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 420e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent pReverb = (reverb_object_t*) &pRvbModule->context; 421e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 422e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if (pReverb->m_Aux) { 423e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if (pReverb->m_Preset) { 424e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent desc = &gAuxPresetReverbDescriptor; 425e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } else { 426e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent desc = &gAuxEnvReverbDescriptor; 427e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } 428e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } else { 429e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if (pReverb->m_Preset) { 430e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent desc = &gInsertPresetReverbDescriptor; 431e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } else { 432e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent desc = &gInsertEnvReverbDescriptor; 433e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } 434e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } 435e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 436e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent memcpy(pDescriptor, desc, sizeof(effect_descriptor_t)); 437e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 438e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent return 0; 439e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent} /* end Reverb_getDescriptor */ 440135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 441135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 442135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Reverb internal functions 443135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *--------------------------------------------------------------------------*/ 444135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 445135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 446135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Reverb_Init() 447135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 448135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 449135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Initialize reverb context and apply default parameters 450135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 451135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 452135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pRvbModule - pointer to reverb effect module 453135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * aux - indicates if the reverb is used as auxiliary (1) or insert (0) 454135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * preset - indicates if the reverb is used in preset (1) or environmental (0) mode 455135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 456135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 457135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 458135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 459135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 460135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 461135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 462135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 463135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentint Reverb_Init(reverb_module_t *pRvbModule, int aux, int preset) { 464135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int ret; 465135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 466135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent LOGV("Reverb_Init module %p, aux: %d, preset: %d", pRvbModule,aux, preset); 467135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 468135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent memset(&pRvbModule->context, 0, sizeof(reverb_object_t)); 469135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 470135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->context.m_Aux = (uint16_t)aux; 471135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->context.m_Preset = (uint16_t)preset; 472135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 473135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.inputCfg.samplingRate = 44100; 474135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (aux) { 475e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent pRvbModule->config.inputCfg.channels = AUDIO_CHANNEL_OUT_MONO; 476135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } else { 477e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent pRvbModule->config.inputCfg.channels = AUDIO_CHANNEL_OUT_STEREO; 478135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 479e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent pRvbModule->config.inputCfg.format = AUDIO_FORMAT_PCM_16_BIT; 480135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.inputCfg.bufferProvider.getBuffer = NULL; 481135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.inputCfg.bufferProvider.releaseBuffer = NULL; 482135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.inputCfg.bufferProvider.cookie = NULL; 483135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ; 484135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.inputCfg.mask = EFFECT_CONFIG_ALL; 485135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.outputCfg.samplingRate = 44100; 486e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent pRvbModule->config.outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO; 487e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent pRvbModule->config.outputCfg.format = AUDIO_FORMAT_PCM_16_BIT; 488135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.outputCfg.bufferProvider.getBuffer = NULL; 489135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.outputCfg.bufferProvider.releaseBuffer = NULL; 490135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.outputCfg.bufferProvider.cookie = NULL; 491135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_ACCUMULATE; 492135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.outputCfg.mask = EFFECT_CONFIG_ALL; 493135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 494135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent ret = Reverb_Configure(pRvbModule, &pRvbModule->config, true); 495135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (ret < 0) { 496135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent LOGV("Reverb_Init error %d on module %p", ret, pRvbModule); 497135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 498135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 499135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return ret; 500135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 501135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 502135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 503135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Reverb_Init() 504135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 505135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 506135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Set input and output audio configuration. 507135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 508135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 509135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pRvbModule - pointer to reverb effect module 510135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pConfig - pointer to effect_config_t structure containing input 511135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * and output audio parameters configuration 512135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * init - true if called from init function 513135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 514135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 515135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 516135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 517135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 518135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 519135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 520135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentint Reverb_Configure(reverb_module_t *pRvbModule, effect_config_t *pConfig, 521135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent bool init) { 522135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent reverb_object_t *pReverb = &pRvbModule->context; 523135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int bufferSizeInSamples; 524135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int updatePeriodInSamples; 525135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int xfadePeriodInSamples; 526135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 527135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // Check configuration compatibility with build options 528135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pConfig->inputCfg.samplingRate 529135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent != pConfig->outputCfg.samplingRate 530135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent || pConfig->outputCfg.channels != OUTPUT_CHANNELS 531e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent || pConfig->inputCfg.format != AUDIO_FORMAT_PCM_16_BIT 532e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent || pConfig->outputCfg.format != AUDIO_FORMAT_PCM_16_BIT) { 533135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent LOGV("Reverb_Configure invalid config"); 534135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 535135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 536e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if ((pReverb->m_Aux && (pConfig->inputCfg.channels != AUDIO_CHANNEL_OUT_MONO)) || 537e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent (!pReverb->m_Aux && (pConfig->inputCfg.channels != AUDIO_CHANNEL_OUT_STEREO))) { 538135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent LOGV("Reverb_Configure invalid config"); 539135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 540135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 541135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 542135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent memcpy(&pRvbModule->config, pConfig, sizeof(effect_config_t)); 543135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 544135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nSamplingRate = pRvbModule->config.outputCfg.samplingRate; 545135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 546135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent switch (pReverb->m_nSamplingRate) { 547135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case 8000: 548135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdatePeriodInBits = 5; 549135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent bufferSizeInSamples = 4096; 550135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCosWT_5KHz = -23170; 551135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 552135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case 16000: 553135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdatePeriodInBits = 6; 554135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent bufferSizeInSamples = 8192; 555135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCosWT_5KHz = -12540; 556135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 557135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case 22050: 558135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdatePeriodInBits = 7; 559135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent bufferSizeInSamples = 8192; 560135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCosWT_5KHz = 4768; 561135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 562135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case 32000: 563135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdatePeriodInBits = 7; 564135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent bufferSizeInSamples = 16384; 565135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCosWT_5KHz = 18205; 566135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 567135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case 44100: 568135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdatePeriodInBits = 8; 569135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent bufferSizeInSamples = 16384; 570135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCosWT_5KHz = 24799; 571135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 572135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case 48000: 573135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdatePeriodInBits = 8; 574135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent bufferSizeInSamples = 16384; 575135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCosWT_5KHz = 25997; 576135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 577135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent default: 578135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent LOGV("Reverb_Configure invalid sampling rate %d", pReverb->m_nSamplingRate); 579135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 580135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 581135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 582135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // Define a mask for circular addressing, so that array index 583135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // can wraparound and stay in array boundary of 0, 1, ..., (buffer size -1) 584135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // The buffer size MUST be a power of two 585135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nBufferMask = (int32_t) (bufferSizeInSamples - 1); 586135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* reverb parameters are updated every 2^(pReverb->m_nUpdatePeriodInBits) samples */ 587135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent updatePeriodInSamples = (int32_t) (0x1L << pReverb->m_nUpdatePeriodInBits); 588135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* 589135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent calculate the update counter by bitwise ANDING with this value to 590135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent generate a 2^n modulo value 591135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 592135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdatePeriodInSamples = (int32_t) updatePeriodInSamples; 593135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 594135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent xfadePeriodInSamples = (int32_t) (REVERB_XFADE_PERIOD_IN_SECONDS 595135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * (double) pReverb->m_nSamplingRate); 596135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 597135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // set xfade parameters 598135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nPhaseIncrement 599135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = (int16_t) (65536 / ((int16_t) xfadePeriodInSamples 600135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent / (int16_t) updatePeriodInSamples)); 601135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 602135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (init) { 603135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent ReverbReadInPresets(pReverb); 604135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 605135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // for debugging purposes, allow noise generator 606135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_bUseNoise = true; 607135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 608135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // for debugging purposes, allow bypass 609cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_bBypass = 0; 610135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 611135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nNextRoom = 1; 612135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 613135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nNoise = (int16_t) 0xABCD; 614135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 615135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 616135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent Reverb_Reset(pReverb, init); 617135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 618135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 619135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 620135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 621135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 622135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Reverb_Reset() 623135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 624135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 625135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Reset internal states and clear delay lines. 626135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 627135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 628135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pReverb - pointer to reverb context 629135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * init - true if called from init function 630135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 631135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 632135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 633135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 634135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 635135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 636135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 637135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 638135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentvoid Reverb_Reset(reverb_object_t *pReverb, bool init) { 639135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int bufferSizeInSamples = (int32_t) (pReverb->m_nBufferMask + 1); 640135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int maxApSamples; 641135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int maxDelaySamples; 642135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int maxEarlySamples; 643135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int ap1In; 644135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int delay0In; 645135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int delay1In; 646135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t i; 647135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent uint16_t nOffset; 648135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 649135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent maxApSamples = ((int32_t) (MAX_AP_TIME * pReverb->m_nSamplingRate) >> 16); 650135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent maxDelaySamples = ((int32_t) (MAX_DELAY_TIME * pReverb->m_nSamplingRate) 651135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent >> 16); 652135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent maxEarlySamples = ((int32_t) (MAX_EARLY_TIME * pReverb->m_nSamplingRate) 653135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent >> 16); 654135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 655135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent ap1In = (AP0_IN + maxApSamples + GUARD); 656135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent delay0In = (ap1In + maxApSamples + GUARD); 657135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent delay1In = (delay0In + maxDelaySamples + GUARD); 658135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // Define the max offsets for the end points of each section 659135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // i.e., we don't expect a given section's taps to go beyond 660135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // the following limits 661135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 662135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nEarly0in = (delay1In + maxDelaySamples + GUARD); 663135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nEarly1in = (pReverb->m_nEarly0in + maxEarlySamples + GUARD); 664135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 665135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sAp0.m_zApIn = AP0_IN; 666135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 667135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD0In = delay0In; 668135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 669135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sAp1.m_zApIn = ap1In; 670135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 671135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD1In = delay1In; 672135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 673135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zOutLpfL = 0; 674135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zOutLpfR = 0; 675135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 676135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nRevFbkR = 0; 677135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nRevFbkL = 0; 678135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 679135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // set base index into circular buffer 680135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nBaseIndex = 0; 681135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 682135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // clear the reverb delay line 683135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent for (i = 0; i < bufferSizeInSamples; i++) { 684135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelayLine[i] = 0; 685135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 686135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 687135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent ReverbUpdateRoom(pReverb, init); 688135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 689135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdateCounter = 0; 690135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 691135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nPhase = -32768; 692135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 693135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nSin = 0; 694135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCos = 0; 695135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nSinIncrement = 0; 696135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCosIncrement = 0; 697135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 698135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // set delay tap lengths 699135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nOffset = ReverbCalculateNoise(pReverb); 700135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 701135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD1Cross = pReverb->m_nDelay1Out - pReverb->m_nMaxExcursion 702135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent + nOffset; 703135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 704135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nOffset = ReverbCalculateNoise(pReverb); 705135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 706135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD0Cross = pReverb->m_nDelay0Out - pReverb->m_nMaxExcursion 707135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent - nOffset; 708135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 709135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nOffset = ReverbCalculateNoise(pReverb); 710135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 711135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD0Self = pReverb->m_nDelay0Out - pReverb->m_nMaxExcursion 712135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent - nOffset; 713135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 714135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nOffset = ReverbCalculateNoise(pReverb); 715135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 716135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD1Self = pReverb->m_nDelay1Out - pReverb->m_nMaxExcursion 717135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent + nOffset; 718135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 719135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 720135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 721135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Reverb_getParameter() 722135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 723135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 724135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Get a Reverb parameter 725135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 726135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 727135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pReverb - handle to instance data 728135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * param - parameter 729135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pValue - pointer to variable to hold retrieved value 730135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pSize - pointer to value size: maximum size as input 731135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 732135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 733135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * *pValue updated with parameter value 734135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * *pSize updated with actual value size 735135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 736135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 737135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 738135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 739135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 740135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 741135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentint Reverb_getParameter(reverb_object_t *pReverb, int32_t param, size_t *pSize, 742135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent void *pValue) { 743135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t *pValue32; 744135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int16_t *pValue16; 74523e1de74359f4bb1763aef0adfebe073122b032cEric Laurent t_reverb_settings *pProperties; 746135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t i; 747135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t temp; 748135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t temp2; 749135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent size_t size; 750135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 751cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (pReverb->m_Preset) { 752cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param != REVERB_PARAM_PRESET || *pSize < sizeof(int16_t)) { 753cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 754cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 755135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent size = sizeof(int16_t); 756cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = (int16_t *)pValue; 757cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // REVERB_PRESET_NONE is mapped to bypass 758cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (pReverb->m_bBypass != 0) { 759cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = (int16_t)REVERB_PRESET_NONE; 760cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else { 761cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = (int16_t)(pReverb->m_nNextRoom + 1); 762cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 763cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_PRESET, preset %d", *pValue16); 764cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else { 765cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent switch (param) { 766cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_ROOM_LEVEL: 767cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_ROOM_HF_LEVEL: 768cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DECAY_HF_RATIO: 769cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REFLECTIONS_LEVEL: 770cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REVERB_LEVEL: 771cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DIFFUSION: 772cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DENSITY: 773cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent size = sizeof(int16_t); 774cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 775135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 776cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_BYPASS: 777cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DECAY_TIME: 778cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REFLECTIONS_DELAY: 779cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REVERB_DELAY: 780cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent size = sizeof(int32_t); 781cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 782135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 783cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_PROPERTIES: 78423e1de74359f4bb1763aef0adfebe073122b032cEric Laurent size = sizeof(t_reverb_settings); 785cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 786135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 787cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent default: 788cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 789cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 790135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 791cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (*pSize < size) { 792cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 793cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 794135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 795cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue32 = (int32_t *) pValue; 796cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = (int16_t *) pValue; 79723e1de74359f4bb1763aef0adfebe073122b032cEric Laurent pProperties = (t_reverb_settings *) pValue; 798135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 799cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent switch (param) { 800cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_BYPASS: 801cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue32 = (int32_t) pReverb->m_bBypass; 802135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 803135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 804cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_PROPERTIES: 805cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = &pProperties->roomLevel; 806cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 807135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 808cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_ROOM_LEVEL: 809cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert m_nRoomLpfFwd to millibels 810cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (pReverb->m_nRoomLpfFwd << 15) 811cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent / (32767 - pReverb->m_nRoomLpfFbk); 812cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = Effects_Linear16ToMillibels(temp); 813135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 814cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_ROOM_LEVEL %d, gain %d, m_nRoomLpfFwd %d, m_nRoomLpfFbk %d", *pValue16, temp, pReverb->m_nRoomLpfFwd, pReverb->m_nRoomLpfFbk); 815135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 816cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_ROOM_LEVEL) { 817cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 818cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 819cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = &pProperties->roomHFLevel; 820cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 821cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 822cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_ROOM_HF_LEVEL: 823cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // The ratio between linear gain at 0Hz and at 5000Hz for the room low pass is: 824cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // (1 + a1) / sqrt(a1^2 + 2*C*a1 + 1) where: 825cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // - a1 is minus the LP feedback gain: -pReverb->m_nRoomLpfFbk 826cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // - C is cos(2piWT) @ 5000Hz: pReverb->m_nCosWT_5KHz 827cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 828cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = MULT_EG1_EG1(pReverb->m_nRoomLpfFbk, pReverb->m_nRoomLpfFbk); 829cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_ROOM_HF_LEVEL, a1^2 %d", temp); 830cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = MULT_EG1_EG1(pReverb->m_nRoomLpfFbk, pReverb->m_nCosWT_5KHz) 831135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent << 1; 832cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_ROOM_HF_LEVEL, 2 Cos a1 %d", temp2); 833135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = 32767 + temp - temp2; 834cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_ROOM_HF_LEVEL, a1^2 + 2 Cos a1 + 1 %d", temp); 835135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = Effects_Sqrt(temp) * 181; 836cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_ROOM_HF_LEVEL, SQRT(a1^2 + 2 Cos a1 + 1) %d", temp); 837cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = ((32767 - pReverb->m_nRoomLpfFbk) << 15) / temp; 838cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 839cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_ROOM_HF_LEVEL, gain %d, m_nRoomLpfFwd %d, m_nRoomLpfFbk %d", temp, pReverb->m_nRoomLpfFwd, pReverb->m_nRoomLpfFbk); 840cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 841cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = Effects_Linear16ToMillibels(temp); 842cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 843cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_ROOM_HF_LEVEL) { 844cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 845cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 846cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue32 = &pProperties->decayTime; 847cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 848135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 849cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DECAY_TIME: 850cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Calculate reverb feedback path gain 851cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (pReverb->m_nRvbLpfFwd << 15) / (32767 - pReverb->m_nRvbLpfFbk); 852135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = Effects_Linear16ToMillibels(temp); 853135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 854cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Calculate decay time: g = -6000 d/DT , g gain in millibels, d reverb delay, DT decay time 855cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (-6000 * pReverb->m_nLateDelay) / temp; 856135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 857cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert samples to ms 858cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue32 = (temp * 1000) / pReverb->m_nSamplingRate; 859135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 860cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_DECAY_TIME, samples %d, ms %d", temp, *pValue32); 861135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 862cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_DECAY_TIME) { 863cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 864cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 865cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = &pProperties->decayHFRatio; 866cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 867cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 868cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DECAY_HF_RATIO: 869cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // If r is the decay HF ratio (r = REVERB_PARAM_DECAY_HF_RATIO/1000) we have: 870cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // DT_5000Hz = DT_0Hz * r 871cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // and G_5000Hz = -6000 * d / DT_5000Hz and G_0Hz = -6000 * d / DT_0Hz in millibels so : 872cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // r = G_0Hz/G_5000Hz in millibels 873cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // The linear gain at 5000Hz is b0 / sqrt(a1^2 + 2*C*a1 + 1) where: 874cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // - a1 is minus the LP feedback gain: -pReverb->m_nRvbLpfFbk 875cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // - b0 is the LP forward gain: pReverb->m_nRvbLpfFwd 876cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // - C is cos(2piWT) @ 5000Hz: pReverb->m_nCosWT_5KHz 877cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (pReverb->m_nRvbLpfFbk == 0) { 878cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = 1000; 879cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_DECAY_HF_RATIO, pReverb->m_nRvbLpfFbk == 0, ratio %d", *pValue16); 880cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else { 881cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = MULT_EG1_EG1(pReverb->m_nRvbLpfFbk, pReverb->m_nRvbLpfFbk); 882cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = MULT_EG1_EG1(pReverb->m_nRvbLpfFbk, pReverb->m_nCosWT_5KHz) 883cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent << 1; 884cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = 32767 + temp - temp2; 885cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = Effects_Sqrt(temp) * 181; 886cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (pReverb->m_nRvbLpfFwd << 15) / temp; 887cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // The linear gain at 0Hz is b0 / (a1 + 1) 888cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = (pReverb->m_nRvbLpfFwd << 15) / (32767 889cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent - pReverb->m_nRvbLpfFbk); 890cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 891cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = Effects_Linear16ToMillibels(temp); 892cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = Effects_Linear16ToMillibels(temp2); 893cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_DECAY_HF_RATIO, gain 5KHz %d mB, gain DC %d mB", temp, temp2); 894cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 895cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp == 0) 896cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = 1; 897cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (int16_t) ((1000 * temp2) / temp); 898cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp > 1000) 899cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = 1000; 900cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 901cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = temp; 902cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_DECAY_HF_RATIO, ratio %d", *pValue16); 903cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 904135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 905cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_DECAY_HF_RATIO) { 906cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 907cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 908cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = &pProperties->reflectionsLevel; 909cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 910135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 911cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REFLECTIONS_LEVEL: 912cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = Effects_Linear16ToMillibels(pReverb->m_nEarlyGain); 913135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 914cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_REFLECTIONS_LEVEL, %d", *pValue16); 915cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_REFLECTIONS_LEVEL) { 916cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 917cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 918cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue32 = &pProperties->reflectionsDelay; 919cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 920135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 921cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REFLECTIONS_DELAY: 922cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // convert samples to ms 923cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue32 = (pReverb->m_nEarlyDelay * 1000) / pReverb->m_nSamplingRate; 924135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 925cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_REFLECTIONS_DELAY, samples %d, ms %d", pReverb->m_nEarlyDelay, *pValue32); 926135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 927cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_REFLECTIONS_DELAY) { 928cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 929cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 930cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = &pProperties->reverbLevel; 931cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 932135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 933cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REVERB_LEVEL: 934cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert linear gain to millibels 935cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = Effects_Linear16ToMillibels(pReverb->m_nLateGain << 2); 936135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 937cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_REVERB_LEVEL %d", *pValue16); 938135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 939cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_REVERB_LEVEL) { 940cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 941cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 942cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue32 = &pProperties->reverbDelay; 943cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 944135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 945cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REVERB_DELAY: 946cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // convert samples to ms 947cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue32 = (pReverb->m_nLateDelay * 1000) / pReverb->m_nSamplingRate; 948135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 949cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_REVERB_DELAY, samples %d, ms %d", pReverb->m_nLateDelay, *pValue32); 950135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 951cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_REVERB_DELAY) { 952cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 953cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 954cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = &pProperties->diffusion; 955cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 956135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 957cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DIFFUSION: 958cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (int16_t) ((1000 * (pReverb->m_sAp0.m_nApGain - AP0_GAIN_BASE)) 959cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent / AP0_GAIN_RANGE); 960135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 961cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp < 0) 962cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = 0; 963cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp > 1000) 964cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = 1000; 965135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 966cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = temp; 967cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_DIFFUSION, %d, AP0 gain %d", *pValue16, pReverb->m_sAp0.m_nApGain); 968135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 969cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_DIFFUSION) { 970cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 971cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 972cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = &pProperties->density; 973cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 974135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 975cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DENSITY: 976cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Calculate AP delay in time units 977cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = ((pReverb->m_sAp0.m_zApOut - pReverb->m_sAp0.m_zApIn) << 16) 978cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent / pReverb->m_nSamplingRate; 979135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 980cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (int16_t) ((1000 * (temp - AP0_TIME_BASE)) / AP0_TIME_RANGE); 981135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 982cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp < 0) 983cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = 0; 984cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp > 1000) 985cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = 1000; 986135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 987cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = temp; 988cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 989cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("get REVERB_PARAM_DENSITY, %d, AP0 delay smps %d", *pValue16, pReverb->m_sAp0.m_zApOut - pReverb->m_sAp0.m_zApIn); 990cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 991cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 992cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent default: 993cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 994cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 995135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 996135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 997cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pSize = size; 998cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 999135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent LOGV("Reverb_getParameter, context %p, param %d, value %d", 1000135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb, param, *(int *)pValue); 1001135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1002135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 1003135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} /* end Reverb_getParameter */ 1004135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1005135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 1006135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Reverb_setParameter() 1007135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1008135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 1009135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Set a Reverb parameter 1010135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1011135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 1012135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pReverb - handle to instance data 1013135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * param - parameter 1014135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pValue - pointer to parameter value 1015135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * size - value size 1016135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1017135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 1018135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1019135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1020135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 1021135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1022135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1023135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 1024135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentint Reverb_setParameter(reverb_object_t *pReverb, int32_t param, size_t size, 1025135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent void *pValue) { 1026135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t value32; 1027135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int16_t value16; 102823e1de74359f4bb1763aef0adfebe073122b032cEric Laurent t_reverb_settings *pProperties; 1029135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t i; 1030135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t temp; 1031135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t temp2; 1032135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent reverb_preset_t *pPreset; 1033135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int maxSamples; 1034135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t averageDelay; 1035135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent size_t paramSize; 1036135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1037135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent LOGV("Reverb_setParameter, context %p, param %d, value16 %d, value32 %d", 1038135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb, param, *(int16_t *)pValue, *(int32_t *)pValue); 1039135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1040cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (pReverb->m_Preset) { 1041cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param != REVERB_PARAM_PRESET || size != sizeof(int16_t)) { 1042135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 1043cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1044cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = *(int16_t *)pValue; 1045cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("set REVERB_PARAM_PRESET, preset %d", value16); 1046cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 < REVERB_PRESET_NONE || value16 > REVERB_PRESET_PLATE) { 1047135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 1048cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1049cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // REVERB_PRESET_NONE is mapped to bypass 1050cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 == REVERB_PRESET_NONE) { 1051cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_bBypass = 1; 1052cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else { 1053cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_bBypass = 0; 1054cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nNextRoom = value16 - 1; 1055cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1056cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else { 1057cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent switch (param) { 1058cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_ROOM_LEVEL: 1059cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_ROOM_HF_LEVEL: 1060cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DECAY_HF_RATIO: 1061cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REFLECTIONS_LEVEL: 1062cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REVERB_LEVEL: 1063cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DIFFUSION: 1064cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DENSITY: 1065cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent paramSize = sizeof(int16_t); 1066cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1067135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1068cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_BYPASS: 1069cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DECAY_TIME: 1070cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REFLECTIONS_DELAY: 1071cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REVERB_DELAY: 1072cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent paramSize = sizeof(int32_t); 1073135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 1074135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1075cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_PROPERTIES: 107623e1de74359f4bb1763aef0adfebe073122b032cEric Laurent paramSize = sizeof(t_reverb_settings); 1077cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1078135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1079cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent default: 1080135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 1081135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1082135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1083cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (size != paramSize) { 1084135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 1085cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1086135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1087cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (paramSize == sizeof(int16_t)) { 1088cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = *(int16_t *) pValue; 1089cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else if (paramSize == sizeof(int32_t)) { 1090cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value32 = *(int32_t *) pValue; 1091cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else { 109223e1de74359f4bb1763aef0adfebe073122b032cEric Laurent pProperties = (t_reverb_settings *) pValue; 1093cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1094135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1095cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset = &pReverb->m_sPreset.m_sPreset[pReverb->m_nNextRoom]; 1096135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1097cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent switch (param) { 1098cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_BYPASS: 1099cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_bBypass = (uint16_t)value32; 1100135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 1101135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1102cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_PROPERTIES: 1103cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = pProperties->roomLevel; 1104cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1105135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1106cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_ROOM_LEVEL: 1107cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert millibels to linear 16 bit signed => m_nRoomLpfFwd 1108cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 > 0) 1109cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1110135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1111cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = Effects_MillibelsToLinear16(value16); 1112135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1113cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nRoomLpfFwd 1114cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent = MULT_EG1_EG1(temp, (32767 - pReverb->m_nRoomLpfFbk)); 1115cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1116cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_ROOM_LEVEL, gain %d, new m_nRoomLpfFwd %d, m_nRoomLpfFbk %d", temp, pReverb->m_nRoomLpfFwd, pReverb->m_nRoomLpfFbk); 1117cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_ROOM_LEVEL) 1118cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1119cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = pProperties->roomHFLevel; 1120cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1121cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1122cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_ROOM_HF_LEVEL: 1123cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1124cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Limit to 0 , -40dB range because of low pass implementation 1125cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 > 0 || value16 < -4000) 1126cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1127cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert attenuation @ 5000H expressed in millibels to => m_nRoomLpfFbk 1128cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // m_nRoomLpfFbk is -a1 where a1 is the solution of: 1129cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // a1^2 + 2*(C-dG^2)/(1-dG^2)*a1 + 1 = 0 where: 1130cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // - C is cos(2*pi*5000/Fs) (pReverb->m_nCosWT_5KHz) 1131cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // - dG is G0/Gf (G0 is the linear gain at DC and Gf is the wanted gain at 5000Hz) 1132cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1133cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Save current DC gain m_nRoomLpfFwd / (32767 - m_nRoomLpfFbk) to keep it unchanged 1134cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // while changing HF level 1135cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = (pReverb->m_nRoomLpfFwd << 15) / (32767 1136cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent - pReverb->m_nRoomLpfFbk); 1137cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 == 0) { 1138cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nRoomLpfFbk = 0; 1139cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else { 1140cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent int32_t dG2, b, delta; 1141cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1142cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // dG^2 1143cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = Effects_MillibelsToLinear16(value16); 1144cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_ROOM_HF_LEVEL, HF gain %d", temp); 1145cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (1 << 30) / temp; 1146cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_ROOM_HF_LEVEL, 1/ HF gain %d", temp); 1147cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent dG2 = (int32_t) (((int64_t) temp * (int64_t) temp) >> 15); 1148cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_ROOM_HF_LEVEL, 1/ HF gain ^ 2 %d", dG2); 1149cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // b = 2*(C-dG^2)/(1-dG^2) 1150cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent b = (int32_t) ((((int64_t) 1 << (15 + 1)) 1151cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent * ((int64_t) pReverb->m_nCosWT_5KHz - (int64_t) dG2)) 1152cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent / ((int64_t) 32767 - (int64_t) dG2)); 1153cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1154cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // delta = b^2 - 4 1155cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent delta = (int32_t) ((((int64_t) b * (int64_t) b) >> 15) - (1 << (15 1156cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent + 2))); 1157cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1158cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV_IF(delta > (1<<30), " delta overflow %d", delta); 1159cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1160cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_ROOM_HF_LEVEL, dG2 %d, b %d, delta %d, m_nCosWT_5KHz %d", dG2, b, delta, pReverb->m_nCosWT_5KHz); 1161cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // m_nRoomLpfFbk = -a1 = - (- b + sqrt(delta)) / 2 1162cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nRoomLpfFbk = (b - Effects_Sqrt(delta) * 181) >> 1; 1163cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1164cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_ROOM_HF_LEVEL, olg DC gain %d new m_nRoomLpfFbk %d, old m_nRoomLpfFwd %d", 1165cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2, pReverb->m_nRoomLpfFbk, pReverb->m_nRoomLpfFwd); 1166cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1167cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nRoomLpfFwd 1168cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent = MULT_EG1_EG1(temp2, (32767 - pReverb->m_nRoomLpfFbk)); 1169cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_ROOM_HF_LEVEL, new m_nRoomLpfFwd %d", pReverb->m_nRoomLpfFwd); 1170cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1171cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_ROOM_HF_LEVEL) 1172cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1173cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value32 = pProperties->decayTime; 1174cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1175cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1176cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DECAY_TIME: 1177cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1178cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert milliseconds to => m_nRvbLpfFwd (function of m_nRvbLpfFbk) 1179cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // convert ms to samples 1180cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value32 = (value32 * pReverb->m_nSamplingRate) / 1000; 1181cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1182cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // calculate valid decay time range as a function of current reverb delay and 1183cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // max feed back gain. Min value <=> -40dB in one pass, Max value <=> feedback gain = -1 dB 1184cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Calculate attenuation for each round in late reverb given a total attenuation of -6000 millibels. 1185cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // g = -6000 d/DT , g gain in millibels, d reverb delay, DT decay time 1186cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent averageDelay = pReverb->m_nLateDelay - pReverb->m_nMaxExcursion; 1187cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent averageDelay += ((pReverb->m_sAp0.m_zApOut - pReverb->m_sAp0.m_zApIn) 1188cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent + (pReverb->m_sAp1.m_zApOut - pReverb->m_sAp1.m_zApIn)) >> 1; 1189cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1190cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (-6000 * averageDelay) / value32; 1191cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_DECAY_TIME, delay smps %d, DT smps %d, gain mB %d",averageDelay, value32, temp); 1192cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp < -4000 || temp > -100) 1193cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1194cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1195cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // calculate low pass gain by adding reverb input attenuation (pReverb->m_nLateGain) and substrating output 1196cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // xfade and sum gain (max +9dB) 1197cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp -= Effects_Linear16ToMillibels(pReverb->m_nLateGain) + 900; 1198cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = Effects_MillibelsToLinear16(temp); 1199135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1200cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // DC gain (temp) = b0 / (1 + a1) = pReverb->m_nRvbLpfFwd / (32767 - pReverb->m_nRvbLpfFbk) 1201cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nRvbLpfFwd 1202cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent = MULT_EG1_EG1(temp, (32767 - pReverb->m_nRvbLpfFbk)); 1203135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1204cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_DECAY_TIME, gain %d, new m_nRvbLpfFwd %d, old m_nRvbLpfFbk %d, reverb gain %d", temp, pReverb->m_nRvbLpfFwd, pReverb->m_nRvbLpfFbk, Effects_Linear16ToMillibels(pReverb->m_nLateGain)); 1205135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1206cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_DECAY_TIME) 1207cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1208cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = pProperties->decayHFRatio; 1209cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1210135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1211cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DECAY_HF_RATIO: 1212135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1213cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // We limit max value to 1000 because reverb filter is lowpass only 1214cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 < 100 || value16 > 1000) 1215cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1216cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert per mille to => m_nLpfFwd, m_nLpfFbk 1217135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1218cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Save current DC gain m_nRoomLpfFwd / (32767 - m_nRoomLpfFbk) to keep it unchanged 1219cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // while changing HF level 1220cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = (pReverb->m_nRvbLpfFwd << 15) / (32767 - pReverb->m_nRvbLpfFbk); 1221135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1222cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 == 1000) { 1223cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nRvbLpfFbk = 0; 1224cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else { 1225cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent int32_t dG2, b, delta; 1226135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1227cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = Effects_Linear16ToMillibels(temp2); 1228cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // G_5000Hz = G_DC * (1000/REVERB_PARAM_DECAY_HF_RATIO) in millibels 1229135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1230cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value32 = ((int32_t) 1000 << 15) / (int32_t) value16; 1231cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_DECAY_HF_RATIO, DC gain %d, DC gain mB %d, 1000/R %d", temp2, temp, value32); 1232135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1233cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (int32_t) (((int64_t) temp * (int64_t) value32) >> 15); 1234135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1235cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp < -4000) { 1236cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_DECAY_HF_RATIO HF gain overflow %d mB", temp); 1237cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = -4000; 1238cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1239135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1240cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = Effects_MillibelsToLinear16(temp); 1241cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_DECAY_HF_RATIO, HF gain %d", temp); 1242cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // dG^2 1243cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (temp2 << 15) / temp; 1244cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent dG2 = (int32_t) (((int64_t) temp * (int64_t) temp) >> 15); 1245135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1246cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // b = 2*(C-dG^2)/(1-dG^2) 1247cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent b = (int32_t) ((((int64_t) 1 << (15 + 1)) 1248cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent * ((int64_t) pReverb->m_nCosWT_5KHz - (int64_t) dG2)) 1249cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent / ((int64_t) 32767 - (int64_t) dG2)); 1250135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1251cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // delta = b^2 - 4 1252cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent delta = (int32_t) ((((int64_t) b * (int64_t) b) >> 15) - (1 << (15 1253cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent + 2))); 1254135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1255cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // m_nRoomLpfFbk = -a1 = - (- b + sqrt(delta)) / 2 1256cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nRvbLpfFbk = (b - Effects_Sqrt(delta) * 181) >> 1; 1257135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1258cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_DECAY_HF_RATIO, dG2 %d, b %d, delta %d", dG2, b, delta); 1259135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1260cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1261135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1262cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_DECAY_HF_RATIO, gain %d, m_nRvbLpfFbk %d, m_nRvbLpfFwd %d", temp2, pReverb->m_nRvbLpfFbk, pReverb->m_nRvbLpfFwd); 1263135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1264cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nRvbLpfFwd 1265cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent = MULT_EG1_EG1(temp2, (32767 - pReverb->m_nRvbLpfFbk)); 1266135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1267cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_DECAY_HF_RATIO) 1268cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1269cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = pProperties->reflectionsLevel; 1270cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1271135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1272cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REFLECTIONS_LEVEL: 1273cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // We limit max value to 0 because gain is limited to 0dB 1274cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 > 0 || value16 < -6000) 1275cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1276135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1277cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert millibels to linear 16 bit signed and recompute m_sEarlyL.m_nGain[i] and m_sEarlyR.m_nGain[i]. 1278cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = Effects_MillibelsToLinear16(value16); 1279cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent for (i = 0; i < REVERB_MAX_NUM_REFLECTIONS; i++) { 1280cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_sEarlyL.m_nGain[i] 1281cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent = MULT_EG1_EG1(pPreset->m_sEarlyL.m_nGain[i],value16); 1282cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_sEarlyR.m_nGain[i] 1283cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent = MULT_EG1_EG1(pPreset->m_sEarlyR.m_nGain[i],value16); 1284cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1285cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nEarlyGain = value16; 1286cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_REFLECTIONS_LEVEL, m_nEarlyGain %d", pReverb->m_nEarlyGain); 1287cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1288cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_REFLECTIONS_LEVEL) 1289cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1290cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value32 = pProperties->reflectionsDelay; 1291cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1292cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1293cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REFLECTIONS_DELAY: 1294cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // We limit max value MAX_EARLY_TIME 1295cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // convert ms to time units 1296cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (value32 * 65536) / 1000; 1297cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp < 0 || temp > MAX_EARLY_TIME) 1298cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1299cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1300cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent maxSamples = (int32_t) (MAX_EARLY_TIME * pReverb->m_nSamplingRate) 1301cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent >> 16; 1302cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (temp * pReverb->m_nSamplingRate) >> 16; 1303cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent for (i = 0; i < REVERB_MAX_NUM_REFLECTIONS; i++) { 1304cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = temp + (((int32_t) pPreset->m_sEarlyL.m_zDelay[i] 1305cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent * pReverb->m_nSamplingRate) >> 16); 1306cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp2 > maxSamples) 1307cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = maxSamples; 1308cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_sEarlyL.m_zDelay[i] = pReverb->m_nEarly0in + temp2; 1309cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = temp + (((int32_t) pPreset->m_sEarlyR.m_zDelay[i] 1310cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent * pReverb->m_nSamplingRate) >> 16); 1311cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp2 > maxSamples) 1312cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = maxSamples; 1313cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_sEarlyR.m_zDelay[i] = pReverb->m_nEarly1in + temp2; 1314cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1315cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nEarlyDelay = temp; 1316cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1317cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_REFLECTIONS_DELAY, m_nEarlyDelay smps %d max smp delay %d", pReverb->m_nEarlyDelay, maxSamples); 1318cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1319cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert milliseconds to sample count => m_nEarlyDelay 1320cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_REFLECTIONS_DELAY) 1321cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1322cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = pProperties->reverbLevel; 1323cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1324cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1325cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REVERB_LEVEL: 1326cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // We limit max value to 0 because gain is limited to 0dB 1327cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 > 0 || value16 < -6000) 1328cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1329cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert millibels to linear 16 bits (gange 0 - 8191) => m_nLateGain. 1330cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nLateGain = Effects_MillibelsToLinear16(value16) >> 2; 1331cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1332cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_REVERB_LEVEL, m_nLateGain %d", pReverb->m_nLateGain); 1333cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1334cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_REVERB_LEVEL) 1335cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1336cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value32 = pProperties->reverbDelay; 1337cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1338cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1339cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REVERB_DELAY: 1340cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // We limit max value to MAX_DELAY_TIME 1341cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // convert ms to time units 1342cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (value32 * 65536) / 1000; 1343cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp < 0 || temp > MAX_DELAY_TIME) 1344cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1345cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1346cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent maxSamples = (int32_t) (MAX_DELAY_TIME * pReverb->m_nSamplingRate) 1347cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent >> 16; 1348cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (temp * pReverb->m_nSamplingRate) >> 16; 1349cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if ((temp + pReverb->m_nMaxExcursion) > maxSamples) { 1350cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = maxSamples - pReverb->m_nMaxExcursion; 1351cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1352cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp < pReverb->m_nMaxExcursion) { 1353cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = pReverb->m_nMaxExcursion; 1354cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1355135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1356cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp -= pReverb->m_nLateDelay; 1357cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nDelay0Out += temp; 1358cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nDelay1Out += temp; 1359cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nLateDelay += temp; 1360135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1361cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_REVERB_DELAY, m_nLateDelay smps %d max smp delay %d", pReverb->m_nLateDelay, maxSamples); 1362135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1363cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert milliseconds to sample count => m_nDelay1Out + m_nMaxExcursion 1364cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_REVERB_DELAY) 1365cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1366135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1367cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = pProperties->diffusion; 1368cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1369135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1370cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DIFFUSION: 1371cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 < 0 || value16 > 1000) 1372cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1373135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1374cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert per mille to m_sAp0.m_nApGain, m_sAp1.m_nApGain 1375cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_sAp0.m_nApGain = AP0_GAIN_BASE + ((int32_t) value16 1376cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent * AP0_GAIN_RANGE) / 1000; 1377cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_sAp1.m_nApGain = AP1_GAIN_BASE + ((int32_t) value16 1378cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent * AP1_GAIN_RANGE) / 1000; 1379135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1380cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_DIFFUSION, m_sAp0.m_nApGain %d m_sAp1.m_nApGain %d", pReverb->m_sAp0.m_nApGain, pReverb->m_sAp1.m_nApGain); 1381135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1382cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_DIFFUSION) 1383cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1384135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1385cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = pProperties->density; 1386cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1387135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1388cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DENSITY: 1389cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 < 0 || value16 > 1000) 1390cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1391135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1392cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert per mille to m_sAp0.m_zApOut, m_sAp1.m_zApOut 1393cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent maxSamples = (int32_t) (MAX_AP_TIME * pReverb->m_nSamplingRate) >> 16; 1394135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1395cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = AP0_TIME_BASE + ((int32_t) value16 * AP0_TIME_RANGE) / 1000; 1396cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /*lint -e{702} shift for performance */ 1397cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (temp * pReverb->m_nSamplingRate) >> 16; 1398cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp > maxSamples) 1399cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = maxSamples; 1400cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_sAp0.m_zApOut = (uint16_t) (pReverb->m_sAp0.m_zApIn + temp); 1401135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1402cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("REVERB_PARAM_DENSITY, Ap0 delay smps %d", temp); 1403135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1404cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = AP1_TIME_BASE + ((int32_t) value16 * AP1_TIME_RANGE) / 1000; 1405cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /*lint -e{702} shift for performance */ 1406cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (temp * pReverb->m_nSamplingRate) >> 16; 1407cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp > maxSamples) 1408cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = maxSamples; 1409cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_sAp1.m_zApOut = (uint16_t) (pReverb->m_sAp1.m_zApIn + temp); 1410135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1411cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent LOGV("Ap1 delay smps %d", temp); 1412135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1413cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1414135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1415cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent default: 1416cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1417cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1418135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1419cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1420135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 1421135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} /* end Reverb_setParameter */ 1422135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1423135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 1424135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * ReverbUpdateXfade 1425135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1426135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 1427135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Update the xfade parameters as required 1428135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1429135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 1430135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * nNumSamplesToAdd - number of samples to write to buffer 1431135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1432135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 1433135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1434135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1435135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 1436135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * - xfade parameters will be changed 1437135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1438135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1439135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 1440135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic int ReverbUpdateXfade(reverb_object_t *pReverb, int nNumSamplesToAdd) { 1441135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent uint16_t nOffset; 1442135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int16_t tempCos; 1443135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int16_t tempSin; 1444135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1445135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pReverb->m_nXfadeCounter >= pReverb->m_nXfadeInterval) { 1446135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* update interval has elapsed, so reset counter */ 1447135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nXfadeCounter = 0; 1448135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1449135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // Pin the sin,cos values to min / max values to ensure that the 1450135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // modulated taps' coefs are zero (thus no clicks) 1451135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pReverb->m_nPhaseIncrement > 0) { 1452135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // if phase increment > 0, then sin -> 1, cos -> 0 1453135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nSin = 32767; 1454135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCos = 0; 1455135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1456135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // reset the phase to match the sin, cos values 1457135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nPhase = 32767; 1458135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1459135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // modulate the cross taps because their tap coefs are zero 1460135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nOffset = ReverbCalculateNoise(pReverb); 1461135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1462135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD1Cross = pReverb->m_nDelay1Out 1463135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent - pReverb->m_nMaxExcursion + nOffset; 1464135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1465135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nOffset = ReverbCalculateNoise(pReverb); 1466135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1467135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD0Cross = pReverb->m_nDelay0Out 1468135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent - pReverb->m_nMaxExcursion - nOffset; 1469135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } else { 1470135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // if phase increment < 0, then sin -> 0, cos -> 1 1471135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nSin = 0; 1472135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCos = 32767; 1473135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1474135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // reset the phase to match the sin, cos values 1475135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nPhase = -32768; 1476135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1477135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // modulate the self taps because their tap coefs are zero 1478135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nOffset = ReverbCalculateNoise(pReverb); 1479135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1480135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD0Self = pReverb->m_nDelay0Out 1481135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent - pReverb->m_nMaxExcursion - nOffset; 1482135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1483135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nOffset = ReverbCalculateNoise(pReverb); 1484135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1485135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD1Self = pReverb->m_nDelay1Out 1486135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent - pReverb->m_nMaxExcursion + nOffset; 1487135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1488135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } // end if-else (pReverb->m_nPhaseIncrement > 0) 1489135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1490135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // Reverse the direction of the sin,cos so that the 1491135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // tap whose coef was previously increasing now decreases 1492135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // and vice versa 1493135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nPhaseIncrement = -pReverb->m_nPhaseIncrement; 1494135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1495135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } // end if counter >= update interval 1496135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1497135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //compute what phase will be next time 1498135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nPhase += pReverb->m_nPhaseIncrement; 1499135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1500135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //calculate what the new sin and cos need to reach by the next update 1501135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent ReverbCalculateSinCos(pReverb->m_nPhase, &tempSin, &tempCos); 1502135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1503135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //calculate the per-sample increment required to get there by the next update 1504135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{702} shift for performance */ 1505135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nSinIncrement = (tempSin - pReverb->m_nSin) 1506135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent >> pReverb->m_nUpdatePeriodInBits; 1507135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1508135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{702} shift for performance */ 1509135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCosIncrement = (tempCos - pReverb->m_nCos) 1510135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent >> pReverb->m_nUpdatePeriodInBits; 1511135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1512135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* increment update counter */ 1513135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nXfadeCounter += (uint16_t) nNumSamplesToAdd; 1514135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1515135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 1516135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1517135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} /* end ReverbUpdateXfade */ 1518135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1519135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 1520135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * ReverbCalculateNoise 1521135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1522135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 1523135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Calculate a noise sample and limit its value 1524135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1525135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 1526135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * nMaxExcursion - noise value is limited to this value 1527135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pnNoise - return new noise sample in this (not limited) 1528135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1529135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 1530135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * new limited noise value 1531135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1532135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 1533135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * - *pnNoise noise value is updated 1534135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1535135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1536135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 1537135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic uint16_t ReverbCalculateNoise(reverb_object_t *pReverb) { 1538135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int16_t nNoise = pReverb->m_nNoise; 1539135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1540135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate new noise value 1541135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pReverb->m_bUseNoise) { 1542135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nNoise = (int16_t) (nNoise * 5 + 1); 1543135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } else { 1544135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nNoise = 0; 1545135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1546135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1547135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nNoise = nNoise; 1548135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // return the limited noise value 1549135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return (pReverb->m_nMaxExcursion & nNoise); 1550135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1551135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} /* end ReverbCalculateNoise */ 1552135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1553135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 1554135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * ReverbCalculateSinCos 1555135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1556135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 1557135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Calculate a new sin and cosine value based on the given phase 1558135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1559135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 1560135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * nPhase - phase angle 1561135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pnSin - input old value, output new value 1562135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pnCos - input old value, output new value 1563135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1564135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 1565135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1566135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 1567135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * - *pnSin, *pnCos are updated 1568135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1569135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1570135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 1571135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic int ReverbCalculateSinCos(int16_t nPhase, int16_t *pnSin, int16_t *pnCos) { 1572135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nTemp; 1573135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nNetAngle; 1574135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1575135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // -1 <= nPhase < 1 1576135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // However, for the calculation, we need a value 1577135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // that ranges from -1/2 to +1/2, so divide the phase by 2 1578135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{702} shift for performance */ 1579135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nNetAngle = nPhase >> 1; 1580135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1581135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* 1582135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent Implement the following 1583135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent sin(x) = (2-4*c)*x^2 + c + x 1584135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent cos(x) = (2-4*c)*x^2 + c - x 1585135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1586135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent where c = 1/sqrt(2) 1587135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent using the a0 + x*(a1 + x*a2) approach 1588135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 1589135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1590135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* limit the input "angle" to be between -0.5 and +0.5 */ 1591135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (nNetAngle > EG1_HALF) { 1592135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nNetAngle = EG1_HALF; 1593135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } else if (nNetAngle < EG1_MINUS_HALF) { 1594135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nNetAngle = EG1_MINUS_HALF; 1595135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1596135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1597135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* calculate sin */ 1598135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp = EG1_ONE + MULT_EG1_EG1(REVERB_PAN_G2, nNetAngle); 1599135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp = REVERB_PAN_G0 + MULT_EG1_EG1(nTemp, nNetAngle); 1600135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *pnSin = (int16_t) SATURATE_EG1(nTemp); 1601135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1602135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* calculate cos */ 1603135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp = -EG1_ONE + MULT_EG1_EG1(REVERB_PAN_G2, nNetAngle); 1604135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp = REVERB_PAN_G0 + MULT_EG1_EG1(nTemp, nNetAngle); 1605135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *pnCos = (int16_t) SATURATE_EG1(nTemp); 1606135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1607135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 1608135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} /* end ReverbCalculateSinCos */ 1609135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1610135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 1611135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Reverb 1612135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1613135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 1614135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * apply reverb to the given signal 1615135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1616135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 1617135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * nNu 1618135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pnSin - input old value, output new value 1619135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pnCos - input old value, output new value 1620135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1621135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 1622135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * number of samples actually reverberated 1623135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1624135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 1625135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1626135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1627135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 1628135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic int Reverb(reverb_object_t *pReverb, int nNumSamplesToAdd, 1629135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent short *pOutputBuffer, short *pInputBuffer) { 1630135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t i; 1631135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nDelayOut0; 1632135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nDelayOut1; 1633135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent uint16_t nBase; 1634135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1635135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent uint32_t nAddr; 1636135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nTemp1; 1637135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nTemp2; 1638135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nApIn; 1639135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nApOut; 1640135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1641135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t j; 1642135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nEarlyOut; 1643135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1644135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t tempValue; 1645135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1646135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // get the base address 1647135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nBase = pReverb->m_nBaseIndex; 1648135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1649135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent for (i = 0; i < nNumSamplesToAdd; i++) { 1650135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** Left Allpass - start 1651135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nApIn = *pInputBuffer; 1652135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (!pReverb->m_Aux) { 1653135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pInputBuffer++; 1654135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1655135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // store to early delay line 1656135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr = CIRCULAR(nBase, pReverb->m_nEarly0in, pReverb->m_nBufferMask); 1657135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelayLine[nAddr] = (short) nApIn; 1658135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1659135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // left input = (left dry * m_nLateGain) + right feedback from previous period 1660135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1661135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nApIn = SATURATE(nApIn + pReverb->m_nRevFbkR); 1662135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nApIn = MULT_EG1_EG1(nApIn, pReverb->m_nLateGain); 1663135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1664135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // fetch allpass delay line out 1665135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //nAddr = CIRCULAR(nBase, psAp0->m_zApOut, pReverb->m_nBufferMask); 1666135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr 1667135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = CIRCULAR(nBase, pReverb->m_sAp0.m_zApOut, pReverb->m_nBufferMask); 1668135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut0 = pReverb->m_nDelayLine[nAddr]; 1669135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1670135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate allpass feedforward; subtract the feedforward result 1671135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nApIn, pReverb->m_sAp0.m_nApGain); 1672135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nApOut = SATURATE(nDelayOut0 - nTemp1); // allpass output 1673135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1674135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate allpass feedback; add the feedback result 1675135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nApOut, pReverb->m_sAp0.m_nApGain); 1676135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = SATURATE(nApIn + nTemp1); 1677135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1678135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // inject into allpass delay 1679135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr 1680135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = CIRCULAR(nBase, pReverb->m_sAp0.m_zApIn, pReverb->m_nBufferMask); 1681135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelayLine[nAddr] = (short) nTemp1; 1682135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1683135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // inject allpass output into delay line 1684135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr = CIRCULAR(nBase, pReverb->m_zD0In, pReverb->m_nBufferMask); 1685135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelayLine[nAddr] = (short) nApOut; 1686135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1687135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** Left Allpass - end 1688135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1689135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** Right Allpass - start 1690135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nApIn = (*pInputBuffer++); 1691135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // store to early delay line 1692135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr = CIRCULAR(nBase, pReverb->m_nEarly1in, pReverb->m_nBufferMask); 1693135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelayLine[nAddr] = (short) nApIn; 1694135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1695135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // right input = (right dry * m_nLateGain) + left feedback from previous period 1696135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{702} use shift for performance */ 1697135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nApIn = SATURATE(nApIn + pReverb->m_nRevFbkL); 1698135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nApIn = MULT_EG1_EG1(nApIn, pReverb->m_nLateGain); 1699135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1700135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // fetch allpass delay line out 1701135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr 1702135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = CIRCULAR(nBase, pReverb->m_sAp1.m_zApOut, pReverb->m_nBufferMask); 1703135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut1 = pReverb->m_nDelayLine[nAddr]; 1704135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1705135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate allpass feedforward; subtract the feedforward result 1706135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nApIn, pReverb->m_sAp1.m_nApGain); 1707135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nApOut = SATURATE(nDelayOut1 - nTemp1); // allpass output 1708135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1709135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate allpass feedback; add the feedback result 1710135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nApOut, pReverb->m_sAp1.m_nApGain); 1711135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = SATURATE(nApIn + nTemp1); 1712135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1713135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // inject into allpass delay 1714135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr 1715135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = CIRCULAR(nBase, pReverb->m_sAp1.m_zApIn, pReverb->m_nBufferMask); 1716135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelayLine[nAddr] = (short) nTemp1; 1717135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1718135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // inject allpass output into delay line 1719135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr = CIRCULAR(nBase, pReverb->m_zD1In, pReverb->m_nBufferMask); 1720135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelayLine[nAddr] = (short) nApOut; 1721135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1722135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** Right Allpass - end 1723135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1724135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** D0 output - start 1725135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // fetch delay line self out 1726135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr = CIRCULAR(nBase, pReverb->m_zD0Self, pReverb->m_nBufferMask); 1727135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut0 = pReverb->m_nDelayLine[nAddr]; 1728135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1729135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate delay line self out 1730135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nDelayOut0, pReverb->m_nSin); 1731135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1732135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // fetch delay line cross out 1733135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr = CIRCULAR(nBase, pReverb->m_zD1Cross, pReverb->m_nBufferMask); 1734135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut0 = pReverb->m_nDelayLine[nAddr]; 1735135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1736135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate delay line self out 1737135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp2 = MULT_EG1_EG1(nDelayOut0, pReverb->m_nCos); 1738135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1739135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate unfiltered delay out 1740135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut0 = SATURATE(nTemp1 + nTemp2); 1741135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1742135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** D0 output - end 1743135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1744135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** D1 output - start 1745135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // fetch delay line self out 1746135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr = CIRCULAR(nBase, pReverb->m_zD1Self, pReverb->m_nBufferMask); 1747135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut1 = pReverb->m_nDelayLine[nAddr]; 1748135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1749135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate delay line self out 1750135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nDelayOut1, pReverb->m_nSin); 1751135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1752135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // fetch delay line cross out 1753135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr = CIRCULAR(nBase, pReverb->m_zD0Cross, pReverb->m_nBufferMask); 1754135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut1 = pReverb->m_nDelayLine[nAddr]; 1755135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1756135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate delay line self out 1757135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp2 = MULT_EG1_EG1(nDelayOut1, pReverb->m_nCos); 1758135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1759135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate unfiltered delay out 1760135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut1 = SATURATE(nTemp1 + nTemp2); 1761135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1762135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** D1 output - end 1763135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1764135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** mixer and feedback - start 1765135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // sum is fedback to right input (R + L) 1766135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut0 = (short) SATURATE(nDelayOut0 + nDelayOut1); 1767135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1768135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // difference is feedback to left input (R - L) 1769135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{685} lint complains that it can't saturate negative */ 1770135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut1 = (short) SATURATE(nDelayOut1 - nDelayOut0); 1771135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1772135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** mixer and feedback - end 1773135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1774135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate lowpass filter (mixer scale factor included in LPF feedforward) 1775135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nDelayOut0, pReverb->m_nRvbLpfFwd); 1776135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1777135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp2 = MULT_EG1_EG1(pReverb->m_nRevFbkL, pReverb->m_nRvbLpfFbk); 1778135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1779135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate filtered delay out and simultaneously update LPF state variable 1780135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // filtered delay output is stored in m_nRevFbkL 1781135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nRevFbkL = (short) SATURATE(nTemp1 + nTemp2); 1782135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1783135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate lowpass filter (mixer scale factor included in LPF feedforward) 1784135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nDelayOut1, pReverb->m_nRvbLpfFwd); 1785135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1786135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp2 = MULT_EG1_EG1(pReverb->m_nRevFbkR, pReverb->m_nRvbLpfFbk); 1787135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1788135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate filtered delay out and simultaneously update LPF state variable 1789135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // filtered delay output is stored in m_nRevFbkR 1790135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nRevFbkR = (short) SATURATE(nTemp1 + nTemp2); 1791135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1792135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** start early reflection generator, left 1793135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //psEarly = &(pReverb->m_sEarlyL); 1794135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1795135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1796135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent for (j = 0; j < REVERB_MAX_NUM_REFLECTIONS; j++) { 1797135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // fetch delay line out 1798135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //nAddr = CIRCULAR(nBase, psEarly->m_zDelay[j], pReverb->m_nBufferMask); 1799135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr 1800135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = CIRCULAR(nBase, pReverb->m_sEarlyL.m_zDelay[j], pReverb->m_nBufferMask); 1801135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1802135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = pReverb->m_nDelayLine[nAddr]; 1803135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1804135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate reflection 1805135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //nTemp1 = MULT_EG1_EG1(nDelayOut0, psEarly->m_nGain[j]); 1806135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nTemp1, pReverb->m_sEarlyL.m_nGain[j]); 1807135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1808135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut0 = SATURATE(nDelayOut0 + nTemp1); 1809135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1810135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } // end for (j=0; j < REVERB_MAX_NUM_REFLECTIONS; j++) 1811135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1812135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // apply lowpass to early reflections and reverb output 1813135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //nTemp1 = MULT_EG1_EG1(nEarlyOut, psEarly->m_nRvbLpfFwd); 1814135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nDelayOut0, pReverb->m_nRoomLpfFwd); 1815135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1816135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //nTemp2 = MULT_EG1_EG1(psEarly->m_zLpf, psEarly->m_nLpfFbk); 1817135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp2 = MULT_EG1_EG1(pReverb->m_zOutLpfL, pReverb->m_nRoomLpfFbk); 1818135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1819135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate filtered out and simultaneously update LPF state variable 1820135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // filtered output is stored in m_zOutLpfL 1821135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zOutLpfL = (short) SATURATE(nTemp1 + nTemp2); 1822135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1823135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //sum with output buffer 1824135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent tempValue = *pOutputBuffer; 1825135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *pOutputBuffer++ = (short) SATURATE(tempValue+pReverb->m_zOutLpfL); 1826135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1827135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** end early reflection generator, left 1828135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1829135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** start early reflection generator, right 1830135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //psEarly = &(pReverb->m_sEarlyR); 1831135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1832135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent for (j = 0; j < REVERB_MAX_NUM_REFLECTIONS; j++) { 1833135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // fetch delay line out 1834135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr 1835135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = CIRCULAR(nBase, pReverb->m_sEarlyR.m_zDelay[j], pReverb->m_nBufferMask); 1836135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = pReverb->m_nDelayLine[nAddr]; 1837135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1838135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate reflection 1839135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nTemp1, pReverb->m_sEarlyR.m_nGain[j]); 1840135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1841135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut1 = SATURATE(nDelayOut1 + nTemp1); 1842135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1843135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } // end for (j=0; j < REVERB_MAX_NUM_REFLECTIONS; j++) 1844135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1845135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // apply lowpass to early reflections 1846135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nDelayOut1, pReverb->m_nRoomLpfFwd); 1847135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1848135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp2 = MULT_EG1_EG1(pReverb->m_zOutLpfR, pReverb->m_nRoomLpfFbk); 1849135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1850135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate filtered out and simultaneously update LPF state variable 1851135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // filtered output is stored in m_zOutLpfR 1852135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zOutLpfR = (short) SATURATE(nTemp1 + nTemp2); 1853135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1854135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //sum with output buffer 1855135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent tempValue = *pOutputBuffer; 1856135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *pOutputBuffer++ = (short) SATURATE(tempValue + pReverb->m_zOutLpfR); 1857135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1858135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** end early reflection generator, right 1859135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1860135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // decrement base addr for next sample period 1861135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nBase--; 1862135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1863135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nSin += pReverb->m_nSinIncrement; 1864135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCos += pReverb->m_nCosIncrement; 1865135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1866135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } // end for (i=0; i < nNumSamplesToAdd; i++) 1867135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1868135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // store the most up to date version 1869135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nBaseIndex = nBase; 1870135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1871135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 1872135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} /* end Reverb */ 1873135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1874135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 1875135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * ReverbUpdateRoom 1876135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1877135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 1878135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Update the room's preset parameters as required 1879135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1880135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 1881135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1882135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 1883135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1884135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1885135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 1886135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * - reverb paramters (fbk, fwd, etc) will be changed 1887135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * - m_nCurrentRoom := m_nNextRoom 1888135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1889135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 1890135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic int ReverbUpdateRoom(reverb_object_t *pReverb, bool fullUpdate) { 1891135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int temp; 1892135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int i; 1893135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int maxSamples; 1894135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int earlyDelay; 1895135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int earlyGain; 1896135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1897135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent reverb_preset_t *pPreset = 1898135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent &pReverb->m_sPreset.m_sPreset[pReverb->m_nNextRoom]; 1899135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1900135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (fullUpdate) { 1901135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nRvbLpfFwd = pPreset->m_nRvbLpfFwd; 1902135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nRvbLpfFbk = pPreset->m_nRvbLpfFbk; 1903135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1904135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nEarlyGain = pPreset->m_nEarlyGain; 1905135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //stored as time based, convert to sample based 1906135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nLateGain = pPreset->m_nLateGain; 1907135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nRoomLpfFbk = pPreset->m_nRoomLpfFbk; 1908135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nRoomLpfFwd = pPreset->m_nRoomLpfFwd; 1909135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1910135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // set the early reflections gains 1911135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent earlyGain = pPreset->m_nEarlyGain; 1912135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent for (i = 0; i < REVERB_MAX_NUM_REFLECTIONS; i++) { 1913135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sEarlyL.m_nGain[i] 1914135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = MULT_EG1_EG1(pPreset->m_sEarlyL.m_nGain[i],earlyGain); 1915135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sEarlyR.m_nGain[i] 1916135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = MULT_EG1_EG1(pPreset->m_sEarlyR.m_nGain[i],earlyGain); 1917135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1918135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1919135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nMaxExcursion = pPreset->m_nMaxExcursion; 1920135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1921135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sAp0.m_nApGain = pPreset->m_nAp0_ApGain; 1922135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sAp1.m_nApGain = pPreset->m_nAp1_ApGain; 1923135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1924135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // set the early reflections delay 1925135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent earlyDelay = ((int) pPreset->m_nEarlyDelay * pReverb->m_nSamplingRate) 1926135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent >> 16; 1927135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nEarlyDelay = earlyDelay; 1928135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent maxSamples = (int32_t) (MAX_EARLY_TIME * pReverb->m_nSamplingRate) 1929135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent >> 16; 1930135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent for (i = 0; i < REVERB_MAX_NUM_REFLECTIONS; i++) { 1931135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //stored as time based, convert to sample based 1932135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = earlyDelay + (((int) pPreset->m_sEarlyL.m_zDelay[i] 1933135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pReverb->m_nSamplingRate) >> 16); 1934135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (temp > maxSamples) 1935135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = maxSamples; 1936135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sEarlyL.m_zDelay[i] = pReverb->m_nEarly0in + temp; 1937135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //stored as time based, convert to sample based 1938135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = earlyDelay + (((int) pPreset->m_sEarlyR.m_zDelay[i] 1939135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pReverb->m_nSamplingRate) >> 16); 1940135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (temp > maxSamples) 1941135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = maxSamples; 1942135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sEarlyR.m_zDelay[i] = pReverb->m_nEarly1in + temp; 1943135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1944135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1945135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent maxSamples = (int32_t) (MAX_DELAY_TIME * pReverb->m_nSamplingRate) 1946135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent >> 16; 1947135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //stored as time based, convert to sample based 1948135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{702} shift for performance */ 1949135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = (pPreset->m_nLateDelay * pReverb->m_nSamplingRate) >> 16; 1950135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if ((temp + pReverb->m_nMaxExcursion) > maxSamples) { 1951135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = maxSamples - pReverb->m_nMaxExcursion; 1952135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1953135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp -= pReverb->m_nLateDelay; 1954135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelay0Out += temp; 1955135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelay1Out += temp; 1956135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nLateDelay += temp; 1957135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1958135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent maxSamples = (int32_t) (MAX_AP_TIME * pReverb->m_nSamplingRate) >> 16; 1959135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //stored as time based, convert to absolute sample value 1960135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = pPreset->m_nAp0_ApOut; 1961135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{702} shift for performance */ 1962135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = (temp * pReverb->m_nSamplingRate) >> 16; 1963135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (temp > maxSamples) 1964135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = maxSamples; 1965135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sAp0.m_zApOut = (uint16_t) (pReverb->m_sAp0.m_zApIn + temp); 1966135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1967135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //stored as time based, convert to absolute sample value 1968135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = pPreset->m_nAp1_ApOut; 1969135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{702} shift for performance */ 1970135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = (temp * pReverb->m_nSamplingRate) >> 16; 1971135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (temp > maxSamples) 1972135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = maxSamples; 1973135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sAp1.m_zApOut = (uint16_t) (pReverb->m_sAp1.m_zApIn + temp); 1974135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //gpsReverbObject->m_sAp1.m_zApOut = pPreset->m_nAp1_ApOut; 1975135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1976135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1977135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //stored as time based, convert to sample based 1978135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = pPreset->m_nXfadeInterval; 1979135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{702} shift for performance */ 1980135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = (temp * pReverb->m_nSamplingRate) >> 16; 1981135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nXfadeInterval = (uint16_t) temp; 1982135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //gsReverbObject.m_nXfadeInterval = pPreset->m_nXfadeInterval; 1983135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nXfadeCounter = pReverb->m_nXfadeInterval + 1; // force update on first iteration 1984135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1985135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCurrentRoom = pReverb->m_nNextRoom; 1986135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1987135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 1988135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1989135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} /* end ReverbUpdateRoom */ 1990135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1991135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 1992135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * ReverbReadInPresets() 1993135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1994135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: sets global reverb preset bank to defaults 1995135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1996135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 1997135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1998135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 1999135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 2000135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 2001135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 2002135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic int ReverbReadInPresets(reverb_object_t *pReverb) { 2003135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 2004cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent int preset; 2005135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 2006cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // this is for test only. OpenSL ES presets are mapped to 4 presets. 2007cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // REVERB_PRESET_NONE is mapped to bypass 2008cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent for (preset = 0; preset < REVERB_NUM_PRESETS; preset++) { 2009cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent reverb_preset_t *pPreset = &pReverb->m_sPreset.m_sPreset[preset]; 2010cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent switch (preset + 1) { 2011cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PRESET_PLATE: 2012cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PRESET_SMALLROOM: 2013cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRvbLpfFbk = 5077; 2014cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRvbLpfFwd = 11076; 2015135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nEarlyGain = 27690; 2016135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nEarlyDelay = 1311; 2017135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nLateGain = 8191; 2018135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nLateDelay = 3932; 2019135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nRoomLpfFbk = 3692; 2020cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRoomLpfFwd = 20474; 2021135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[0] = 1376; 2022135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[0] = 22152; 2023cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_sEarlyL.m_zDelay[1] = 1462; 2024135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[1] = 17537; 2025135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[2] = 0; 2026135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[2] = 14768; 2027135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[3] = 1835; 2028135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[3] = 14307; 2029135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[4] = 0; 2030135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[4] = 13384; 2031135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[0] = 721; 2032135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[0] = 20306; 2033135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[1] = 2621; 2034135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[1] = 17537; 2035135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[2] = 0; 2036135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[2] = 14768; 2037135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[3] = 0; 2038135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[3] = 16153; 2039135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[4] = 0; 2040135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[4] = 13384; 2041135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nMaxExcursion = 127; 2042cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nXfadeInterval = 6470; //6483; 2043cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp0_ApGain = 14768; 2044cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp0_ApOut = 792; 2045cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp1_ApGain = 14777; 2046cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp1_ApOut = 1191; 2047135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu4 = 0; 2048135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu5 = 0; 2049135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu6 = 0; 2050135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu7 = 0; 2051135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu8 = 0; 2052135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu9 = 0; 2053135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu10 = 0; 2054cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 2055cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PRESET_MEDIUMROOM: 2056cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PRESET_LARGEROOM: 2057cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRvbLpfFbk = 5077; 2058cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRvbLpfFwd = 12922; 2059135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nEarlyGain = 27690; 2060135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nEarlyDelay = 1311; 2061135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nLateGain = 8191; 2062135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nLateDelay = 3932; 2063135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nRoomLpfFbk = 3692; 2064cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRoomLpfFwd = 21703; 2065135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[0] = 1376; 2066135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[0] = 22152; 2067135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[1] = 1462; 2068135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[1] = 17537; 2069135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[2] = 0; 2070135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[2] = 14768; 2071135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[3] = 1835; 2072135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[3] = 14307; 2073135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[4] = 0; 2074135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[4] = 13384; 2075135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[0] = 721; 2076135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[0] = 20306; 2077135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[1] = 2621; 2078135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[1] = 17537; 2079135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[2] = 0; 2080135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[2] = 14768; 2081135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[3] = 0; 2082135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[3] = 16153; 2083135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[4] = 0; 2084135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[4] = 13384; 2085135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nMaxExcursion = 127; 2086cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nXfadeInterval = 6449; 2087cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp0_ApGain = 15691; 2088cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp0_ApOut = 774; 2089cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp1_ApGain = 16317; 2090cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp1_ApOut = 1155; 2091135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu4 = 0; 2092135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu5 = 0; 2093135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu6 = 0; 2094135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu7 = 0; 2095135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu8 = 0; 2096135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu9 = 0; 2097135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu10 = 0; 2098cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 2099cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PRESET_MEDIUMHALL: 2100cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRvbLpfFbk = 6461; 2101cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRvbLpfFwd = 14307; 2102135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nEarlyGain = 27690; 2103135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nEarlyDelay = 1311; 2104135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nLateGain = 8191; 2105135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nLateDelay = 3932; 2106135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nRoomLpfFbk = 3692; 2107cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRoomLpfFwd = 24569; 2108135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[0] = 1376; 2109135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[0] = 22152; 2110135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[1] = 1462; 2111135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[1] = 17537; 2112135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[2] = 0; 2113135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[2] = 14768; 2114135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[3] = 1835; 2115135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[3] = 14307; 2116135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[4] = 0; 2117135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[4] = 13384; 2118135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[0] = 721; 2119135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[0] = 20306; 2120135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[1] = 2621; 2121135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[1] = 17537; 2122135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[2] = 0; 2123135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[2] = 14768; 2124135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[3] = 0; 2125135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[3] = 16153; 2126135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[4] = 0; 2127135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[4] = 13384; 2128135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nMaxExcursion = 127; 2129cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nXfadeInterval = 6391; 2130cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp0_ApGain = 15230; 2131cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp0_ApOut = 708; 2132cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp1_ApGain = 15547; 2133cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp1_ApOut = 1023; 2134135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu4 = 0; 2135135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu5 = 0; 2136135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu6 = 0; 2137135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu7 = 0; 2138135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu8 = 0; 2139135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu9 = 0; 2140135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu10 = 0; 2141cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 2142cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PRESET_LARGEHALL: 2143cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRvbLpfFbk = 8307; 2144cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRvbLpfFwd = 14768; 2145135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nEarlyGain = 27690; 2146135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nEarlyDelay = 1311; 2147135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nLateGain = 8191; 2148135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nLateDelay = 3932; 2149135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nRoomLpfFbk = 3692; 2150cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRoomLpfFwd = 24569; 2151135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[0] = 1376; 2152135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[0] = 22152; 2153cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_sEarlyL.m_zDelay[1] = 2163; 2154135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[1] = 17537; 2155135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[2] = 0; 2156135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[2] = 14768; 2157135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[3] = 1835; 2158135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[3] = 14307; 2159135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[4] = 0; 2160135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[4] = 13384; 2161135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[0] = 721; 2162135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[0] = 20306; 2163135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[1] = 2621; 2164135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[1] = 17537; 2165135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[2] = 0; 2166135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[2] = 14768; 2167135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[3] = 0; 2168135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[3] = 16153; 2169135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[4] = 0; 2170135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[4] = 13384; 2171135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nMaxExcursion = 127; 2172cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nXfadeInterval = 6388; 2173cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp0_ApGain = 15691; 2174cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp0_ApOut = 711; 2175cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp1_ApGain = 16317; 2176cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp1_ApOut = 1029; 2177135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu4 = 0; 2178135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu5 = 0; 2179135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu6 = 0; 2180135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu7 = 0; 2181135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu8 = 0; 2182135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu9 = 0; 2183135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu10 = 0; 2184cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 2185135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 2186135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 2187135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 2188135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 2189135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 2190e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 2191e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurentaudio_effect_library_t AUDIO_EFFECT_LIBRARY_INFO_SYM = { 2192e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent .tag = AUDIO_EFFECT_LIBRARY_TAG, 2193e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent .version = EFFECT_LIBRARY_API_VERSION, 2194e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent .name = "Test Equalizer Library", 2195e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent .implementor = "The Android Open Source Project", 2196e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent .query_num_effects = EffectQueryNumberEffects, 2197e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent .query_effect = EffectQueryEffect, 2198e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent .create_effect = EffectCreate, 2199e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent .release_effect = EffectRelease, 2200e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent .get_descriptor = EffectGetDescriptor, 2201e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent}; 2202