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 1960d02077d86d2d1092443519290101f503aa6f7aMark Salyzyn 2060d02077d86d2d1092443519290101f503aa6f7aMark Salyzyn#include <stdbool.h> 21be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent#include <stdlib.h> 22be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent#include <string.h> 2360d02077d86d2d1092443519290101f503aa6f7aMark Salyzyn 24e74bbf18a6595a914d3c771be08a72077465c51fMark Salyzyn#include <log/log.h> 2560d02077d86d2d1092443519290101f503aa6f7aMark Salyzyn 26135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent#include "EffectReverb.h" 27135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent#include "EffectsMath.h" 28135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 29e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent// effect_handle_t interface implementation for reverb effect 30135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentconst struct effect_interface_s gReverbInterface = { 31135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent Reverb_Process, 32e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent Reverb_Command, 33ba7b8f881a9b6b21803752326d2932a3bd42d7cfEric Laurent Reverb_GetDescriptor, 34ba7b8f881a9b6b21803752326d2932a3bd42d7cfEric Laurent NULL 35135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent}; 36135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 37135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent// Google auxiliary environmental reverb UUID: 1f0ae2e0-4ef7-11df-bc09-0002a5d5c51b 38135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic const effect_descriptor_t gAuxEnvReverbDescriptor = { 39135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent {0xc2e5d5f0, 0x94bd, 0x4763, 0x9cac, {0x4e, 0x23, 0x4d, 0x06, 0x83, 0x9e}}, 40135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent {0x1f0ae2e0, 0x4ef7, 0x11df, 0xbc09, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, 41e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent EFFECT_CONTROL_API_VERSION, 42ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent // flags other than EFFECT_FLAG_TYPE_AUXILIARY set for test purpose 43ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent EFFECT_FLAG_TYPE_AUXILIARY | EFFECT_FLAG_DEVICE_IND | EFFECT_FLAG_AUDIO_MODE_IND, 44ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent 0, // TODO 45ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent 33, 46135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent "Aux Environmental Reverb", 47e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent "The Android Open Source Project" 48135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent}; 49135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 50135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent// Google insert environmental reverb UUID: aa476040-6342-11df-91a4-0002a5d5c51b 51135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic const effect_descriptor_t gInsertEnvReverbDescriptor = { 52135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent {0xc2e5d5f0, 0x94bd, 0x4763, 0x9cac, {0x4e, 0x23, 0x4d, 0x06, 0x83, 0x9e}}, 53135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent {0xaa476040, 0x6342, 0x11df, 0x91a4, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, 54e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent EFFECT_CONTROL_API_VERSION, 55135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST, 56ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent 0, // TODO 57ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent 33, 58135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent "Insert Environmental reverb", 59e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent "The Android Open Source Project" 60135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent}; 61135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 62135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent// Google auxiliary preset reverb UUID: 63909320-53a6-11df-bdbd-0002a5d5c51b 63135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic const effect_descriptor_t gAuxPresetReverbDescriptor = { 64cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent {0x47382d60, 0xddd8, 0x11db, 0xbf3a, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, 65135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent {0x63909320, 0x53a6, 0x11df, 0xbdbd, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, 66e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent EFFECT_CONTROL_API_VERSION, 67135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent EFFECT_FLAG_TYPE_AUXILIARY, 68ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent 0, // TODO 69ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent 33, 70135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent "Aux Preset Reverb", 71e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent "The Android Open Source Project" 72135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent}; 73135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 74135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent// Google insert preset reverb UUID: d93dc6a0-6342-11df-b128-0002a5d5c51b 75135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic const effect_descriptor_t gInsertPresetReverbDescriptor = { 76cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent {0x47382d60, 0xddd8, 0x11db, 0xbf3a, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, 77135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent {0xd93dc6a0, 0x6342, 0x11df, 0xb128, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, 78e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent EFFECT_CONTROL_API_VERSION, 79135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST, 80ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent 0, // TODO 81ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent 33, 82135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent "Insert Preset Reverb", 83e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent "The Android Open Source Project" 84135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent}; 85135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 86135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent// gDescriptors contains pointers to all defined effect descriptor in this library 87135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic const effect_descriptor_t * const gDescriptors[] = { 88135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent &gAuxEnvReverbDescriptor, 89135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent &gInsertEnvReverbDescriptor, 90135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent &gAuxPresetReverbDescriptor, 91ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent &gInsertPresetReverbDescriptor 92135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent}; 93135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 94135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 95135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Effect API implementation 96135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *--------------------------------------------------------------------------*/ 97135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 98135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*--- Effect Library Interface Implementation ---*/ 99135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1005e92a7861196ddae14638d4b7a63fc4892b7ef59Glenn Kastenint EffectCreate(const effect_uuid_t *uuid, 101ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent int32_t sessionId, 102ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent int32_t ioId, 103e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent effect_handle_t *pHandle) { 104135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int ret; 105135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int i; 106135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent reverb_module_t *module; 107135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent const effect_descriptor_t *desc; 108135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int aux = 0; 109135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int preset = 0; 110135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1113856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("EffectLibCreateEffect start"); 112135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 113e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if (pHandle == NULL || uuid == NULL) { 114135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 115135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 116135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 117135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent for (i = 0; gDescriptors[i] != NULL; i++) { 118135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent desc = gDescriptors[i]; 119135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (memcmp(uuid, &desc->uuid, sizeof(effect_uuid_t)) 120135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent == 0) { 121135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 122135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 123135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 124135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 125135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (gDescriptors[i] == NULL) { 126135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -ENOENT; 127135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 128135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 129135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent module = malloc(sizeof(reverb_module_t)); 130135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 131135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent module->itfe = &gReverbInterface; 132135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 133e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent module->context.mState = REVERB_STATE_UNINITIALIZED; 134e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent 135135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (memcmp(&desc->type, SL_IID_PRESETREVERB, sizeof(effect_uuid_t)) == 0) { 136135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent preset = 1; 137135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 138135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if ((desc->flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_AUXILIARY) { 139135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent aux = 1; 140135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 141135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent ret = Reverb_Init(module, aux, preset); 142135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (ret < 0) { 1435ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("EffectLibCreateEffect() init failed"); 144135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent free(module); 145135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return ret; 146135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 147135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 148e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent *pHandle = (effect_handle_t) module; 149135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 150e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent module->context.mState = REVERB_STATE_INITIALIZED; 151e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent 1523856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("EffectLibCreateEffect %p ,size %d", module, sizeof(reverb_module_t)); 153135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 154135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 155135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 156135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 157e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurentint EffectRelease(effect_handle_t handle) { 158e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent reverb_module_t *pRvbModule = (reverb_module_t *)handle; 159135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1603856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("EffectLibReleaseEffect %p", handle); 161e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if (handle == NULL) { 162135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 163135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 164135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 165e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent pRvbModule->context.mState = REVERB_STATE_UNINITIALIZED; 166e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent 167135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent free(pRvbModule); 168135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 169135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 170135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1715e92a7861196ddae14638d4b7a63fc4892b7ef59Glenn Kastenint EffectGetDescriptor(const effect_uuid_t *uuid, 172e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent effect_descriptor_t *pDescriptor) { 173e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent int i; 174e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent int length = sizeof(gDescriptors) / sizeof(const effect_descriptor_t *); 175e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 176e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if (pDescriptor == NULL || uuid == NULL){ 1773856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("EffectGetDescriptor() called with NULL pointer"); 178e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent return -EINVAL; 179e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } 180e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 181e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent for (i = 0; i < length; i++) { 182e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if (memcmp(uuid, &gDescriptors[i]->uuid, sizeof(effect_uuid_t)) == 0) { 183a189a6883ee55cf62da1d7bf5bf5a8ab501938a4Glenn Kasten *pDescriptor = *gDescriptors[i]; 1843856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("EffectGetDescriptor - UUID matched Reverb type %d, UUID = %x", 185e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent i, gDescriptors[i]->uuid.timeLow); 186e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent return 0; 187e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } 188e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } 189e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 190e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent return -EINVAL; 191e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent} /* end EffectGetDescriptor */ 192135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 193135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*--- Effect Control Interface Implementation ---*/ 194135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 195e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurentstatic int Reverb_Process(effect_handle_t self, audio_buffer_t *inBuffer, audio_buffer_t *outBuffer) { 196135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent reverb_object_t *pReverb; 197135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int16_t *pSrc, *pDst; 198135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent reverb_module_t *pRvbModule = (reverb_module_t *)self; 199135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 200135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pRvbModule == NULL) { 201135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 202135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 203135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 204135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (inBuffer == NULL || inBuffer->raw == NULL || 205135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent outBuffer == NULL || outBuffer->raw == NULL || 206135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent inBuffer->frameCount != outBuffer->frameCount) { 207135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 208135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 209135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 210135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb = (reverb_object_t*) &pRvbModule->context; 211135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 212e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent if (pReverb->mState == REVERB_STATE_UNINITIALIZED) { 213e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent return -EINVAL; 214e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent } 215e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent if (pReverb->mState == REVERB_STATE_INITIALIZED) { 216e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent return -ENODATA; 217e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent } 218e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent 219135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //if bypassed or the preset forces the signal to be completely dry 220cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (pReverb->m_bBypass != 0) { 221ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent if (inBuffer->raw != outBuffer->raw) { 222ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent int16_t smp; 223ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent pSrc = inBuffer->s16; 224ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent pDst = outBuffer->s16; 225ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent size_t count = inBuffer->frameCount; 226ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent if (pRvbModule->config.inputCfg.channels == pRvbModule->config.outputCfg.channels) { 227ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent count *= 2; 228ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent while (count--) { 229ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent *pDst++ = *pSrc++; 230ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } 231ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } else { 232ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent while (count--) { 233ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent smp = *pSrc++; 234ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent *pDst++ = smp; 235ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent *pDst++ = smp; 236ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } 237ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } 238135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 239135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 240135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 241135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 242135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pReverb->m_nNextRoom != pReverb->m_nCurrentRoom) { 243135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent ReverbUpdateRoom(pReverb, true); 244135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 245135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 246135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pSrc = inBuffer->s16; 247135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pDst = outBuffer->s16; 248135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent size_t numSamples = outBuffer->frameCount; 249135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent while (numSamples) { 250135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent uint32_t processedSamples; 251135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (numSamples > (uint32_t) pReverb->m_nUpdatePeriodInSamples) { 252135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent processedSamples = (uint32_t) pReverb->m_nUpdatePeriodInSamples; 253135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } else { 254135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent processedSamples = numSamples; 255135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 256135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 257135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* increment update counter */ 258135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdateCounter += (int16_t) processedSamples; 259135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* check if update counter needs to be reset */ 260135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pReverb->m_nUpdateCounter >= pReverb->m_nUpdatePeriodInSamples) { 261135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* update interval has elapsed, so reset counter */ 262135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdateCounter -= pReverb->m_nUpdatePeriodInSamples; 263135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent ReverbUpdateXfade(pReverb, pReverb->m_nUpdatePeriodInSamples); 264135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 265135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } /* end if m_nUpdateCounter >= update interval */ 266135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 267135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent Reverb(pReverb, processedSamples, pDst, pSrc); 268135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 269135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent numSamples -= processedSamples; 270135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pReverb->m_Aux) { 271ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent pSrc += processedSamples; 272135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } else { 273135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pSrc += processedSamples * NUM_OUTPUT_CHANNELS; 274135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 275ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent pDst += processedSamples * NUM_OUTPUT_CHANNELS; 276135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 277135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 278135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 279135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 280135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 281e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent 282e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurentstatic int Reverb_Command(effect_handle_t self, uint32_t cmdCode, uint32_t cmdSize, 28325f4395b932fa9859a6e91ba77c5d20d009da64aEric Laurent void *pCmdData, uint32_t *replySize, void *pReplyData) { 284135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent reverb_module_t *pRvbModule = (reverb_module_t *) self; 285135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent reverb_object_t *pReverb; 286135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int retsize; 287135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 288e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent if (pRvbModule == NULL || 289e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent pRvbModule->context.mState == REVERB_STATE_UNINITIALIZED) { 290135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 291135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 292135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 293135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb = (reverb_object_t*) &pRvbModule->context; 294135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 2953856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Reverb_Command command %d cmdSize %d",cmdCode, cmdSize); 296135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 297135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent switch (cmdCode) { 298135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case EFFECT_CMD_INIT: 299135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pReplyData == NULL || *replySize != sizeof(int)) { 300135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 301135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 302135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *(int *) pReplyData = Reverb_Init(pRvbModule, pReverb->m_Aux, pReverb->m_Preset); 303e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent if (*(int *) pReplyData == 0) { 304e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent pRvbModule->context.mState = REVERB_STATE_INITIALIZED; 305e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent } 306135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 3073d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent case EFFECT_CMD_SET_CONFIG: 308135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pCmdData == NULL || cmdSize != sizeof(effect_config_t) 309135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent || pReplyData == NULL || *replySize != sizeof(int)) { 310135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 311135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 3123d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent *(int *) pReplyData = Reverb_setConfig(pRvbModule, 313135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent (effect_config_t *)pCmdData, false); 314135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 3153d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent case EFFECT_CMD_GET_CONFIG: 3163d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent if (pReplyData == NULL || *replySize != sizeof(effect_config_t)) { 3173d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent return -EINVAL; 3183d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent } 3193d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent Reverb_getConfig(pRvbModule, (effect_config_t *) pCmdData); 3203d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent break; 321135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case EFFECT_CMD_RESET: 322135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent Reverb_Reset(pReverb, false); 323135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 324135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case EFFECT_CMD_GET_PARAM: 3253856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Reverb_Command EFFECT_CMD_GET_PARAM pCmdData %p, *replySize %d, pReplyData: %p",pCmdData, *replySize, pReplyData); 326135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 327135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pCmdData == NULL || cmdSize < (int)(sizeof(effect_param_t) + sizeof(int32_t)) || 328135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReplyData == NULL || *replySize < (int) sizeof(effect_param_t)) { 329135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 330135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 331135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent effect_param_t *rep = (effect_param_t *) pReplyData; 332135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent memcpy(pReplyData, pCmdData, sizeof(effect_param_t) + sizeof(int32_t)); 3333856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Reverb_Command EFFECT_CMD_GET_PARAM param %d, replySize %d",*(int32_t *)rep->data, rep->vsize); 334135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent rep->status = Reverb_getParameter(pReverb, *(int32_t *)rep->data, &rep->vsize, 335135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent rep->data + sizeof(int32_t)); 336135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *replySize = sizeof(effect_param_t) + sizeof(int32_t) + rep->vsize; 337135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 338135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case EFFECT_CMD_SET_PARAM: 3393856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Reverb_Command EFFECT_CMD_SET_PARAM cmdSize %d pCmdData %p, *replySize %d, pReplyData %p", 340135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent cmdSize, pCmdData, *replySize, pReplyData); 341135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pCmdData == NULL || (cmdSize < (int)(sizeof(effect_param_t) + sizeof(int32_t))) 342135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent || pReplyData == NULL || *replySize != (int)sizeof(int32_t)) { 343135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 344135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 345135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent effect_param_t *cmd = (effect_param_t *) pCmdData; 346135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *(int *)pReplyData = Reverb_setParameter(pReverb, *(int32_t *)cmd->data, 347135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent cmd->vsize, cmd->data + sizeof(int32_t)); 348135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 349ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent case EFFECT_CMD_ENABLE: 350e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent if (pReplyData == NULL || *replySize != sizeof(int)) { 351e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent return -EINVAL; 352e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent } 353e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent if (pReverb->mState != REVERB_STATE_INITIALIZED) { 354e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent return -ENOSYS; 355e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent } 356e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent pReverb->mState = REVERB_STATE_ACTIVE; 3573856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("EFFECT_CMD_ENABLE() OK"); 358e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent *(int *)pReplyData = 0; 359e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent break; 360ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent case EFFECT_CMD_DISABLE: 361ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent if (pReplyData == NULL || *replySize != sizeof(int)) { 362ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent return -EINVAL; 363ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } 364e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent if (pReverb->mState != REVERB_STATE_ACTIVE) { 365e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent return -ENOSYS; 366e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent } 367e44b1efb293f878d4af8e824a6b3d070167bf2d6Eric Laurent pReverb->mState = REVERB_STATE_INITIALIZED; 3683856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("EFFECT_CMD_DISABLE() OK"); 369ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent *(int *)pReplyData = 0; 370ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent break; 371ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent case EFFECT_CMD_SET_DEVICE: 372ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent if (pCmdData == NULL || cmdSize != (int)sizeof(uint32_t)) { 373ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent return -EINVAL; 374ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } 3753856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Reverb_Command EFFECT_CMD_SET_DEVICE: 0x%08x", *(uint32_t *)pCmdData); 376ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent break; 377ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent case EFFECT_CMD_SET_VOLUME: { 378ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent // audio output is always stereo => 2 channel volumes 379ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent if (pCmdData == NULL || cmdSize != (int)sizeof(uint32_t) * 2) { 380ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent return -EINVAL; 381ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } 382ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent float left = (float)(*(uint32_t *)pCmdData) / (1 << 24); 383ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent float right = (float)(*((uint32_t *)pCmdData + 1)) / (1 << 24); 3843856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Reverb_Command EFFECT_CMD_SET_VOLUME: left %f, right %f ", left, right); 385ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent break; 386ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } 387ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent case EFFECT_CMD_SET_AUDIO_MODE: 388ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent if (pCmdData == NULL || cmdSize != (int)sizeof(uint32_t)) { 389ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent return -EINVAL; 390ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent } 3913856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Reverb_Command EFFECT_CMD_SET_AUDIO_MODE: %d", *(uint32_t *)pCmdData); 392ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent break; 393135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent default: 3945ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("Reverb_Command invalid command %d",cmdCode); 395135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 396135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 397135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 398135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 399135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 400135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 401e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurentint Reverb_GetDescriptor(effect_handle_t self, 402e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent effect_descriptor_t *pDescriptor) 403e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent{ 404e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent reverb_module_t *pRvbModule = (reverb_module_t *) self; 405e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent reverb_object_t *pReverb; 406e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent const effect_descriptor_t *desc; 407e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 408e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if (pRvbModule == NULL || 409e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent pRvbModule->context.mState == REVERB_STATE_UNINITIALIZED) { 410e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent return -EINVAL; 411e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } 412e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 413e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent pReverb = (reverb_object_t*) &pRvbModule->context; 414e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 415e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if (pReverb->m_Aux) { 416e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if (pReverb->m_Preset) { 417e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent desc = &gAuxPresetReverbDescriptor; 418e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } else { 419e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent desc = &gAuxEnvReverbDescriptor; 420e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } 421e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } else { 422e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if (pReverb->m_Preset) { 423e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent desc = &gInsertPresetReverbDescriptor; 424e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } else { 425e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent desc = &gInsertEnvReverbDescriptor; 426e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } 427e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent } 428e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 429a189a6883ee55cf62da1d7bf5bf5a8ab501938a4Glenn Kasten *pDescriptor = *desc; 430e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 431e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent return 0; 432e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent} /* end Reverb_getDescriptor */ 433135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 434135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 435135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Reverb internal functions 436135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *--------------------------------------------------------------------------*/ 437135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 438135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 439135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Reverb_Init() 440135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 441135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 442135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Initialize reverb context and apply default parameters 443135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 444135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 445135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pRvbModule - pointer to reverb effect module 446135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * aux - indicates if the reverb is used as auxiliary (1) or insert (0) 447135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * preset - indicates if the reverb is used in preset (1) or environmental (0) mode 448135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 449135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 450135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 451135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 452135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 453135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 454135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 455135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 456135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentint Reverb_Init(reverb_module_t *pRvbModule, int aux, int preset) { 457135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int ret; 458135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 4593856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Reverb_Init module %p, aux: %d, preset: %d", pRvbModule,aux, preset); 460135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 461135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent memset(&pRvbModule->context, 0, sizeof(reverb_object_t)); 462135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 463135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->context.m_Aux = (uint16_t)aux; 464135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->context.m_Preset = (uint16_t)preset; 465135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 466135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.inputCfg.samplingRate = 44100; 467135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (aux) { 468e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent pRvbModule->config.inputCfg.channels = AUDIO_CHANNEL_OUT_MONO; 469135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } else { 470e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent pRvbModule->config.inputCfg.channels = AUDIO_CHANNEL_OUT_STEREO; 471135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 472e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent pRvbModule->config.inputCfg.format = AUDIO_FORMAT_PCM_16_BIT; 473135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.inputCfg.bufferProvider.getBuffer = NULL; 474135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.inputCfg.bufferProvider.releaseBuffer = NULL; 475135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.inputCfg.bufferProvider.cookie = NULL; 476135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ; 477135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.inputCfg.mask = EFFECT_CONFIG_ALL; 478135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.outputCfg.samplingRate = 44100; 479e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent pRvbModule->config.outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO; 480e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent pRvbModule->config.outputCfg.format = AUDIO_FORMAT_PCM_16_BIT; 481135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.outputCfg.bufferProvider.getBuffer = NULL; 482135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.outputCfg.bufferProvider.releaseBuffer = NULL; 483135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.outputCfg.bufferProvider.cookie = NULL; 484135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_ACCUMULATE; 485135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pRvbModule->config.outputCfg.mask = EFFECT_CONFIG_ALL; 486135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 4873d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent ret = Reverb_setConfig(pRvbModule, &pRvbModule->config, true); 488135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (ret < 0) { 4893856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Reverb_Init error %d on module %p", ret, pRvbModule); 490135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 491135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 492135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return ret; 493135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 494135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 495135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 4963d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent * Reverb_setConfig() 497135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 498135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 499135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Set input and output audio configuration. 500135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 501135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 502135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pRvbModule - pointer to reverb effect module 503135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pConfig - pointer to effect_config_t structure containing input 504135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * and output audio parameters configuration 505135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * init - true if called from init function 506135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 507135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 508135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 509135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 510135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 511135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 512135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 5133d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurentint Reverb_setConfig(reverb_module_t *pRvbModule, effect_config_t *pConfig, 514135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent bool init) { 515135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent reverb_object_t *pReverb = &pRvbModule->context; 516135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int bufferSizeInSamples; 517135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int updatePeriodInSamples; 518135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int xfadePeriodInSamples; 519135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 520135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // Check configuration compatibility with build options 521135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pConfig->inputCfg.samplingRate 522135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent != pConfig->outputCfg.samplingRate 523135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent || pConfig->outputCfg.channels != OUTPUT_CHANNELS 524e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent || pConfig->inputCfg.format != AUDIO_FORMAT_PCM_16_BIT 525e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent || pConfig->outputCfg.format != AUDIO_FORMAT_PCM_16_BIT) { 5263d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent ALOGV("Reverb_setConfig invalid config"); 527135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 528135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 529e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent if ((pReverb->m_Aux && (pConfig->inputCfg.channels != AUDIO_CHANNEL_OUT_MONO)) || 530e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent (!pReverb->m_Aux && (pConfig->inputCfg.channels != AUDIO_CHANNEL_OUT_STEREO))) { 5313d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent ALOGV("Reverb_setConfig invalid config"); 532135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 533135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 534135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 535a189a6883ee55cf62da1d7bf5bf5a8ab501938a4Glenn Kasten pRvbModule->config = *pConfig; 536135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 537135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nSamplingRate = pRvbModule->config.outputCfg.samplingRate; 538135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 539135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent switch (pReverb->m_nSamplingRate) { 540135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case 8000: 541135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdatePeriodInBits = 5; 542135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent bufferSizeInSamples = 4096; 543135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCosWT_5KHz = -23170; 544135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 545135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case 16000: 546135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdatePeriodInBits = 6; 547135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent bufferSizeInSamples = 8192; 548135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCosWT_5KHz = -12540; 549135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 550135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case 22050: 551135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdatePeriodInBits = 7; 552135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent bufferSizeInSamples = 8192; 553135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCosWT_5KHz = 4768; 554135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 555135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case 32000: 556135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdatePeriodInBits = 7; 557135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent bufferSizeInSamples = 16384; 558135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCosWT_5KHz = 18205; 559135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 560135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case 44100: 561135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdatePeriodInBits = 8; 562135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent bufferSizeInSamples = 16384; 563135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCosWT_5KHz = 24799; 564135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 565135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent case 48000: 566135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdatePeriodInBits = 8; 567135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent bufferSizeInSamples = 16384; 568135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCosWT_5KHz = 25997; 569135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 570135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent default: 5713d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent ALOGV("Reverb_setConfig invalid sampling rate %d", pReverb->m_nSamplingRate); 572135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 573135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 574135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 575135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // Define a mask for circular addressing, so that array index 576135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // can wraparound and stay in array boundary of 0, 1, ..., (buffer size -1) 577135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // The buffer size MUST be a power of two 578135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nBufferMask = (int32_t) (bufferSizeInSamples - 1); 579135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* reverb parameters are updated every 2^(pReverb->m_nUpdatePeriodInBits) samples */ 580135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent updatePeriodInSamples = (int32_t) (0x1L << pReverb->m_nUpdatePeriodInBits); 581135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* 582135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent calculate the update counter by bitwise ANDING with this value to 583135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent generate a 2^n modulo value 584135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 585135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdatePeriodInSamples = (int32_t) updatePeriodInSamples; 586135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 587135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent xfadePeriodInSamples = (int32_t) (REVERB_XFADE_PERIOD_IN_SECONDS 588135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * (double) pReverb->m_nSamplingRate); 589135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 590135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // set xfade parameters 591135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nPhaseIncrement 592135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = (int16_t) (65536 / ((int16_t) xfadePeriodInSamples 593135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent / (int16_t) updatePeriodInSamples)); 594135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 595135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (init) { 596135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent ReverbReadInPresets(pReverb); 597135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 598135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // for debugging purposes, allow noise generator 599135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_bUseNoise = true; 600135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 601135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // for debugging purposes, allow bypass 602cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_bBypass = 0; 603135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 604135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nNextRoom = 1; 605135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 606135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nNoise = (int16_t) 0xABCD; 607135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 608135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 609135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent Reverb_Reset(pReverb, init); 610135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 611135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 612135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 613135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 614135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 6153d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent * Reverb_getConfig() 6163d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent *---------------------------------------------------------------------------- 6173d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent * Purpose: 6183d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent * Get input and output audio configuration. 6193d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent * 6203d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent * Inputs: 6213d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent * pRvbModule - pointer to reverb effect module 6223d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent * pConfig - pointer to effect_config_t structure containing input 6233d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent * and output audio parameters configuration 6243d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent * Outputs: 6253d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent * 6263d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent * Side Effects: 6273d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent * 6283d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent *---------------------------------------------------------------------------- 6293d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent */ 6303d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent 6313d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurentvoid Reverb_getConfig(reverb_module_t *pRvbModule, effect_config_t *pConfig) 6323d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent{ 633a189a6883ee55cf62da1d7bf5bf5a8ab501938a4Glenn Kasten *pConfig = pRvbModule->config; 6343d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent} 6353d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent 6363d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent/*---------------------------------------------------------------------------- 637135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Reverb_Reset() 638135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 639135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 640135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Reset internal states and clear delay lines. 641135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 642135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 643135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pReverb - pointer to reverb context 644135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * init - true if called from init function 645135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 646135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 647135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 648135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 649135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 650135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 651135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 652135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 653135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentvoid Reverb_Reset(reverb_object_t *pReverb, bool init) { 654135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int bufferSizeInSamples = (int32_t) (pReverb->m_nBufferMask + 1); 655135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int maxApSamples; 656135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int maxDelaySamples; 657135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int maxEarlySamples; 658135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int ap1In; 659135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int delay0In; 660135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int delay1In; 661135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t i; 662135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent uint16_t nOffset; 663135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 664135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent maxApSamples = ((int32_t) (MAX_AP_TIME * pReverb->m_nSamplingRate) >> 16); 665135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent maxDelaySamples = ((int32_t) (MAX_DELAY_TIME * pReverb->m_nSamplingRate) 666135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent >> 16); 667135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent maxEarlySamples = ((int32_t) (MAX_EARLY_TIME * pReverb->m_nSamplingRate) 668135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent >> 16); 669135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 670135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent ap1In = (AP0_IN + maxApSamples + GUARD); 671135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent delay0In = (ap1In + maxApSamples + GUARD); 672135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent delay1In = (delay0In + maxDelaySamples + GUARD); 673135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // Define the max offsets for the end points of each section 674135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // i.e., we don't expect a given section's taps to go beyond 675135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // the following limits 676135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 677135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nEarly0in = (delay1In + maxDelaySamples + GUARD); 678135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nEarly1in = (pReverb->m_nEarly0in + maxEarlySamples + GUARD); 679135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 680135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sAp0.m_zApIn = AP0_IN; 681135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 682135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD0In = delay0In; 683135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 684135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sAp1.m_zApIn = ap1In; 685135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 686135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD1In = delay1In; 687135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 688135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zOutLpfL = 0; 689135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zOutLpfR = 0; 690135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 691135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nRevFbkR = 0; 692135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nRevFbkL = 0; 693135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 694135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // set base index into circular buffer 695135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nBaseIndex = 0; 696135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 697135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // clear the reverb delay line 698135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent for (i = 0; i < bufferSizeInSamples; i++) { 699135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelayLine[i] = 0; 700135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 701135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 702135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent ReverbUpdateRoom(pReverb, init); 703135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 704135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nUpdateCounter = 0; 705135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 706135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nPhase = -32768; 707135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 708135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nSin = 0; 709135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCos = 0; 710135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nSinIncrement = 0; 711135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCosIncrement = 0; 712135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 713135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // set delay tap lengths 714135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nOffset = ReverbCalculateNoise(pReverb); 715135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 716135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD1Cross = pReverb->m_nDelay1Out - pReverb->m_nMaxExcursion 717135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent + nOffset; 718135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 719135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nOffset = ReverbCalculateNoise(pReverb); 720135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 721135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD0Cross = pReverb->m_nDelay0Out - pReverb->m_nMaxExcursion 722135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent - nOffset; 723135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 724135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nOffset = ReverbCalculateNoise(pReverb); 725135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 726135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD0Self = pReverb->m_nDelay0Out - pReverb->m_nMaxExcursion 727135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent - nOffset; 728135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 729135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nOffset = ReverbCalculateNoise(pReverb); 730135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 731135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD1Self = pReverb->m_nDelay1Out - pReverb->m_nMaxExcursion 732135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent + nOffset; 733135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 734135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 735135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 736135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Reverb_getParameter() 737135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 738135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 739135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Get a Reverb parameter 740135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 741135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 742135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pReverb - handle to instance data 743135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * param - parameter 744135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pValue - pointer to variable to hold retrieved value 745135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pSize - pointer to value size: maximum size as input 746135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 747135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 748135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * *pValue updated with parameter value 749135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * *pSize updated with actual value size 750135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 751135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 752135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 753135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 754135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 755135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 756b302bd5d288be2d3363b80053ca2392560b00b25Ashok Bhatint Reverb_getParameter(reverb_object_t *pReverb, int32_t param, uint32_t *pSize, 757135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent void *pValue) { 758135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t *pValue32; 759135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int16_t *pValue16; 76023e1de74359f4bb1763aef0adfebe073122b032cEric Laurent t_reverb_settings *pProperties; 761135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t i; 762135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t temp; 763135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t temp2; 764b302bd5d288be2d3363b80053ca2392560b00b25Ashok Bhat uint32_t size; 765135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 766cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (pReverb->m_Preset) { 767cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param != REVERB_PARAM_PRESET || *pSize < sizeof(int16_t)) { 768cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 769cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 770135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent size = sizeof(int16_t); 771cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = (int16_t *)pValue; 772cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // REVERB_PRESET_NONE is mapped to bypass 773cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (pReverb->m_bBypass != 0) { 774cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = (int16_t)REVERB_PRESET_NONE; 775cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else { 776cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = (int16_t)(pReverb->m_nNextRoom + 1); 777cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 7783856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_PRESET, preset %d", *pValue16); 779cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else { 780cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent switch (param) { 781cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_ROOM_LEVEL: 782cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_ROOM_HF_LEVEL: 783cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DECAY_HF_RATIO: 784cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REFLECTIONS_LEVEL: 785cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REVERB_LEVEL: 786cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DIFFUSION: 787cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DENSITY: 788cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent size = sizeof(int16_t); 789cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 790135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 791cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_BYPASS: 792cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DECAY_TIME: 793cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REFLECTIONS_DELAY: 794cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REVERB_DELAY: 795cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent size = sizeof(int32_t); 796cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 797135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 798cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_PROPERTIES: 79923e1de74359f4bb1763aef0adfebe073122b032cEric Laurent size = sizeof(t_reverb_settings); 800cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 801135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 802cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent default: 803cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 804cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 805135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 806cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (*pSize < size) { 807cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 808cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 809135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 810cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue32 = (int32_t *) pValue; 811cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = (int16_t *) pValue; 81223e1de74359f4bb1763aef0adfebe073122b032cEric Laurent pProperties = (t_reverb_settings *) pValue; 813135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 814cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent switch (param) { 815cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_BYPASS: 816cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue32 = (int32_t) pReverb->m_bBypass; 817135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 818135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 819cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_PROPERTIES: 820cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = &pProperties->roomLevel; 821cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 822135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 823cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_ROOM_LEVEL: 824cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert m_nRoomLpfFwd to millibels 825cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (pReverb->m_nRoomLpfFwd << 15) 826cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent / (32767 - pReverb->m_nRoomLpfFbk); 827cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = Effects_Linear16ToMillibels(temp); 828135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 8293856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_ROOM_LEVEL %d, gain %d, m_nRoomLpfFwd %d, m_nRoomLpfFbk %d", *pValue16, temp, pReverb->m_nRoomLpfFwd, pReverb->m_nRoomLpfFbk); 830135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 831cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_ROOM_LEVEL) { 832cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 833cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 834cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = &pProperties->roomHFLevel; 835cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 836cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 837cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_ROOM_HF_LEVEL: 838cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // The ratio between linear gain at 0Hz and at 5000Hz for the room low pass is: 839cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // (1 + a1) / sqrt(a1^2 + 2*C*a1 + 1) where: 840cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // - a1 is minus the LP feedback gain: -pReverb->m_nRoomLpfFbk 841cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // - C is cos(2piWT) @ 5000Hz: pReverb->m_nCosWT_5KHz 842cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 843cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = MULT_EG1_EG1(pReverb->m_nRoomLpfFbk, pReverb->m_nRoomLpfFbk); 8443856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_ROOM_HF_LEVEL, a1^2 %d", temp); 845cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = MULT_EG1_EG1(pReverb->m_nRoomLpfFbk, pReverb->m_nCosWT_5KHz) 846135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent << 1; 8473856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_ROOM_HF_LEVEL, 2 Cos a1 %d", temp2); 848135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = 32767 + temp - temp2; 8493856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_ROOM_HF_LEVEL, a1^2 + 2 Cos a1 + 1 %d", temp); 850135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = Effects_Sqrt(temp) * 181; 8513856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_ROOM_HF_LEVEL, SQRT(a1^2 + 2 Cos a1 + 1) %d", temp); 852cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = ((32767 - pReverb->m_nRoomLpfFbk) << 15) / temp; 853cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 8543856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_ROOM_HF_LEVEL, gain %d, m_nRoomLpfFwd %d, m_nRoomLpfFbk %d", temp, pReverb->m_nRoomLpfFwd, pReverb->m_nRoomLpfFbk); 855cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 856cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = Effects_Linear16ToMillibels(temp); 857cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 858cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_ROOM_HF_LEVEL) { 859cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 860cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 8613d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent pValue32 = (int32_t *)&pProperties->decayTime; 862cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 863135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 864cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DECAY_TIME: 865cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Calculate reverb feedback path gain 866cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (pReverb->m_nRvbLpfFwd << 15) / (32767 - pReverb->m_nRvbLpfFbk); 867135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = Effects_Linear16ToMillibels(temp); 868135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 869cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Calculate decay time: g = -6000 d/DT , g gain in millibels, d reverb delay, DT decay time 870cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (-6000 * pReverb->m_nLateDelay) / temp; 871135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 872cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert samples to ms 873cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue32 = (temp * 1000) / pReverb->m_nSamplingRate; 874135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 8753856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_DECAY_TIME, samples %d, ms %d", temp, *pValue32); 876135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 877cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_DECAY_TIME) { 878cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 879cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 880cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = &pProperties->decayHFRatio; 881cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 882cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 883cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DECAY_HF_RATIO: 884cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // If r is the decay HF ratio (r = REVERB_PARAM_DECAY_HF_RATIO/1000) we have: 885cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // DT_5000Hz = DT_0Hz * r 886cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // and G_5000Hz = -6000 * d / DT_5000Hz and G_0Hz = -6000 * d / DT_0Hz in millibels so : 887cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // r = G_0Hz/G_5000Hz in millibels 888cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // The linear gain at 5000Hz is b0 / sqrt(a1^2 + 2*C*a1 + 1) where: 889cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // - a1 is minus the LP feedback gain: -pReverb->m_nRvbLpfFbk 890cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // - b0 is the LP forward gain: pReverb->m_nRvbLpfFwd 891cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // - C is cos(2piWT) @ 5000Hz: pReverb->m_nCosWT_5KHz 892cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (pReverb->m_nRvbLpfFbk == 0) { 893cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = 1000; 8943856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_DECAY_HF_RATIO, pReverb->m_nRvbLpfFbk == 0, ratio %d", *pValue16); 895cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else { 896cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = MULT_EG1_EG1(pReverb->m_nRvbLpfFbk, pReverb->m_nRvbLpfFbk); 897cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = MULT_EG1_EG1(pReverb->m_nRvbLpfFbk, pReverb->m_nCosWT_5KHz) 898cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent << 1; 899cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = 32767 + temp - temp2; 900cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = Effects_Sqrt(temp) * 181; 901cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (pReverb->m_nRvbLpfFwd << 15) / temp; 902cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // The linear gain at 0Hz is b0 / (a1 + 1) 903cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = (pReverb->m_nRvbLpfFwd << 15) / (32767 904cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent - pReverb->m_nRvbLpfFbk); 905cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 906cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = Effects_Linear16ToMillibels(temp); 907cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = Effects_Linear16ToMillibels(temp2); 9083856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_DECAY_HF_RATIO, gain 5KHz %d mB, gain DC %d mB", temp, temp2); 909cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 910cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp == 0) 911cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = 1; 912cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (int16_t) ((1000 * temp2) / temp); 913cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp > 1000) 914cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = 1000; 915cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 916cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = temp; 9173856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_DECAY_HF_RATIO, ratio %d", *pValue16); 918cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 919135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 920cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_DECAY_HF_RATIO) { 921cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 922cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 923cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = &pProperties->reflectionsLevel; 924cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 925135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 926cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REFLECTIONS_LEVEL: 927cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = Effects_Linear16ToMillibels(pReverb->m_nEarlyGain); 928135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 9293856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_REFLECTIONS_LEVEL, %d", *pValue16); 930cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_REFLECTIONS_LEVEL) { 931cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 932cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 9333d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent pValue32 = (int32_t *)&pProperties->reflectionsDelay; 934cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 935135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 936cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REFLECTIONS_DELAY: 937cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // convert samples to ms 938cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue32 = (pReverb->m_nEarlyDelay * 1000) / pReverb->m_nSamplingRate; 939135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 9403856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_REFLECTIONS_DELAY, samples %d, ms %d", pReverb->m_nEarlyDelay, *pValue32); 941135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 942cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_REFLECTIONS_DELAY) { 943cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 944cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 945cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = &pProperties->reverbLevel; 946cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 947135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 948cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REVERB_LEVEL: 949cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert linear gain to millibels 950cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = Effects_Linear16ToMillibels(pReverb->m_nLateGain << 2); 951135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 9523856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_REVERB_LEVEL %d", *pValue16); 953135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 954cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_REVERB_LEVEL) { 955cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 956cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 9573d5188bd6abe55898f10a0edf3c05aff8aa2ef67Eric Laurent pValue32 = (int32_t *)&pProperties->reverbDelay; 958cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 959135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 960cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REVERB_DELAY: 961cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // convert samples to ms 962cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue32 = (pReverb->m_nLateDelay * 1000) / pReverb->m_nSamplingRate; 963135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 9643856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_REVERB_DELAY, samples %d, ms %d", pReverb->m_nLateDelay, *pValue32); 965135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 966cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_REVERB_DELAY) { 967cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 968cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 969cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = &pProperties->diffusion; 970cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 971135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 972cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DIFFUSION: 973cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (int16_t) ((1000 * (pReverb->m_sAp0.m_nApGain - AP0_GAIN_BASE)) 974cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent / AP0_GAIN_RANGE); 975135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 976cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp < 0) 977cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = 0; 978cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp > 1000) 979cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = 1000; 980135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 981cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = temp; 9823856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_DIFFUSION, %d, AP0 gain %d", *pValue16, pReverb->m_sAp0.m_nApGain); 983135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 984cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_DIFFUSION) { 985cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 986cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 987cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pValue16 = &pProperties->density; 988cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 989135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 990cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DENSITY: 991cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Calculate AP delay in time units 992cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = ((pReverb->m_sAp0.m_zApOut - pReverb->m_sAp0.m_zApIn) << 16) 993cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent / pReverb->m_nSamplingRate; 994135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 995cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (int16_t) ((1000 * (temp - AP0_TIME_BASE)) / AP0_TIME_RANGE); 996135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 997cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp < 0) 998cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = 0; 999cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp > 1000) 1000cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = 1000; 1001135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1002cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pValue16 = temp; 1003cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 10043856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("get REVERB_PARAM_DENSITY, %d, AP0 delay smps %d", *pValue16, pReverb->m_sAp0.m_zApOut - pReverb->m_sAp0.m_zApIn); 1005cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1006cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1007cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent default: 1008cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1009cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1010135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1011135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1012cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent *pSize = size; 1013cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 10143856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Reverb_getParameter, context %p, param %d, value %d", 1015135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb, param, *(int *)pValue); 1016135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1017135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 1018135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} /* end Reverb_getParameter */ 1019135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1020135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 1021135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Reverb_setParameter() 1022135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1023135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 1024135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Set a Reverb parameter 1025135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1026135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 1027135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pReverb - handle to instance data 1028135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * param - parameter 1029135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pValue - pointer to parameter value 1030135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * size - value size 1031135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1032135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 1033135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1034135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1035135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 1036135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1037135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1038135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 1039b302bd5d288be2d3363b80053ca2392560b00b25Ashok Bhatint Reverb_setParameter(reverb_object_t *pReverb, int32_t param, uint32_t size, 1040135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent void *pValue) { 1041135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t value32; 1042135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int16_t value16; 104323e1de74359f4bb1763aef0adfebe073122b032cEric Laurent t_reverb_settings *pProperties; 1044135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t i; 1045135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t temp; 1046135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t temp2; 1047135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent reverb_preset_t *pPreset; 1048135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int maxSamples; 1049135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t averageDelay; 1050b302bd5d288be2d3363b80053ca2392560b00b25Ashok Bhat uint32_t paramSize; 1051135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 10523856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Reverb_setParameter, context %p, param %d, value16 %d, value32 %d", 1053135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb, param, *(int16_t *)pValue, *(int32_t *)pValue); 1054135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1055cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (pReverb->m_Preset) { 1056cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param != REVERB_PARAM_PRESET || size != sizeof(int16_t)) { 1057135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 1058cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1059cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = *(int16_t *)pValue; 10603856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("set REVERB_PARAM_PRESET, preset %d", value16); 1061cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 < REVERB_PRESET_NONE || value16 > REVERB_PRESET_PLATE) { 1062135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 1063cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1064cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // REVERB_PRESET_NONE is mapped to bypass 1065cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 == REVERB_PRESET_NONE) { 1066cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_bBypass = 1; 1067cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else { 1068cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_bBypass = 0; 1069cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nNextRoom = value16 - 1; 1070cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1071cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else { 1072cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent switch (param) { 1073cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_ROOM_LEVEL: 1074cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_ROOM_HF_LEVEL: 1075cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DECAY_HF_RATIO: 1076cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REFLECTIONS_LEVEL: 1077cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REVERB_LEVEL: 1078cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DIFFUSION: 1079cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DENSITY: 1080cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent paramSize = sizeof(int16_t); 1081cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1082135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1083cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_BYPASS: 1084cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DECAY_TIME: 1085cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REFLECTIONS_DELAY: 1086cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REVERB_DELAY: 1087cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent paramSize = sizeof(int32_t); 1088135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 1089135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1090cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_PROPERTIES: 109123e1de74359f4bb1763aef0adfebe073122b032cEric Laurent paramSize = sizeof(t_reverb_settings); 1092cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1093135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1094cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent default: 1095135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 1096135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1097135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1098cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (size != paramSize) { 1099135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return -EINVAL; 1100cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1101135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1102cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (paramSize == sizeof(int16_t)) { 1103cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = *(int16_t *) pValue; 1104cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else if (paramSize == sizeof(int32_t)) { 1105cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value32 = *(int32_t *) pValue; 1106cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else { 110723e1de74359f4bb1763aef0adfebe073122b032cEric Laurent pProperties = (t_reverb_settings *) pValue; 1108cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1109135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1110cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset = &pReverb->m_sPreset.m_sPreset[pReverb->m_nNextRoom]; 1111135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1112cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent switch (param) { 1113cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_BYPASS: 1114cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_bBypass = (uint16_t)value32; 1115135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent break; 1116135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1117cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_PROPERTIES: 1118cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = pProperties->roomLevel; 1119cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1120135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1121cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_ROOM_LEVEL: 1122cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert millibels to linear 16 bit signed => m_nRoomLpfFwd 1123cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 > 0) 1124cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1125135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1126cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = Effects_MillibelsToLinear16(value16); 1127135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1128cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nRoomLpfFwd 1129cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent = MULT_EG1_EG1(temp, (32767 - pReverb->m_nRoomLpfFbk)); 1130cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 11313856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_ROOM_LEVEL, gain %d, new m_nRoomLpfFwd %d, m_nRoomLpfFbk %d", temp, pReverb->m_nRoomLpfFwd, pReverb->m_nRoomLpfFbk); 1132cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_ROOM_LEVEL) 1133cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1134cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = pProperties->roomHFLevel; 1135cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1136cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1137cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_ROOM_HF_LEVEL: 1138cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1139cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Limit to 0 , -40dB range because of low pass implementation 1140cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 > 0 || value16 < -4000) 1141cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1142cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert attenuation @ 5000H expressed in millibels to => m_nRoomLpfFbk 1143cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // m_nRoomLpfFbk is -a1 where a1 is the solution of: 1144cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // a1^2 + 2*(C-dG^2)/(1-dG^2)*a1 + 1 = 0 where: 1145cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // - C is cos(2*pi*5000/Fs) (pReverb->m_nCosWT_5KHz) 1146cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // - dG is G0/Gf (G0 is the linear gain at DC and Gf is the wanted gain at 5000Hz) 1147cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1148cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Save current DC gain m_nRoomLpfFwd / (32767 - m_nRoomLpfFbk) to keep it unchanged 1149cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // while changing HF level 1150cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = (pReverb->m_nRoomLpfFwd << 15) / (32767 1151cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent - pReverb->m_nRoomLpfFbk); 1152cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 == 0) { 1153cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nRoomLpfFbk = 0; 1154cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else { 1155cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent int32_t dG2, b, delta; 1156cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1157cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // dG^2 1158cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = Effects_MillibelsToLinear16(value16); 11593856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_ROOM_HF_LEVEL, HF gain %d", temp); 1160cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (1 << 30) / temp; 11613856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_ROOM_HF_LEVEL, 1/ HF gain %d", temp); 1162cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent dG2 = (int32_t) (((int64_t) temp * (int64_t) temp) >> 15); 11633856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_ROOM_HF_LEVEL, 1/ HF gain ^ 2 %d", dG2); 1164cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // b = 2*(C-dG^2)/(1-dG^2) 1165cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent b = (int32_t) ((((int64_t) 1 << (15 + 1)) 1166cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent * ((int64_t) pReverb->m_nCosWT_5KHz - (int64_t) dG2)) 1167cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent / ((int64_t) 32767 - (int64_t) dG2)); 1168cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1169cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // delta = b^2 - 4 1170cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent delta = (int32_t) ((((int64_t) b * (int64_t) b) >> 15) - (1 << (15 1171cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent + 2))); 1172cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 11733856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF(delta > (1<<30), " delta overflow %d", delta); 1174cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 11753856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_ROOM_HF_LEVEL, dG2 %d, b %d, delta %d, m_nCosWT_5KHz %d", dG2, b, delta, pReverb->m_nCosWT_5KHz); 1176cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // m_nRoomLpfFbk = -a1 = - (- b + sqrt(delta)) / 2 1177cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nRoomLpfFbk = (b - Effects_Sqrt(delta) * 181) >> 1; 1178cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 11793856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_ROOM_HF_LEVEL, olg DC gain %d new m_nRoomLpfFbk %d, old m_nRoomLpfFwd %d", 1180cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2, pReverb->m_nRoomLpfFbk, pReverb->m_nRoomLpfFwd); 1181cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1182cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nRoomLpfFwd 1183cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent = MULT_EG1_EG1(temp2, (32767 - pReverb->m_nRoomLpfFbk)); 11843856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_ROOM_HF_LEVEL, new m_nRoomLpfFwd %d", pReverb->m_nRoomLpfFwd); 1185cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1186cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_ROOM_HF_LEVEL) 1187cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1188cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value32 = pProperties->decayTime; 1189cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1190cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1191cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DECAY_TIME: 1192cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1193cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert milliseconds to => m_nRvbLpfFwd (function of m_nRvbLpfFbk) 1194cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // convert ms to samples 1195cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value32 = (value32 * pReverb->m_nSamplingRate) / 1000; 1196cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1197cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // calculate valid decay time range as a function of current reverb delay and 1198cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // max feed back gain. Min value <=> -40dB in one pass, Max value <=> feedback gain = -1 dB 1199cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Calculate attenuation for each round in late reverb given a total attenuation of -6000 millibels. 1200cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // g = -6000 d/DT , g gain in millibels, d reverb delay, DT decay time 1201cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent averageDelay = pReverb->m_nLateDelay - pReverb->m_nMaxExcursion; 1202cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent averageDelay += ((pReverb->m_sAp0.m_zApOut - pReverb->m_sAp0.m_zApIn) 1203cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent + (pReverb->m_sAp1.m_zApOut - pReverb->m_sAp1.m_zApIn)) >> 1; 1204cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1205cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (-6000 * averageDelay) / value32; 12063856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_DECAY_TIME, delay smps %d, DT smps %d, gain mB %d",averageDelay, value32, temp); 1207cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp < -4000 || temp > -100) 1208cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1209cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1210cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // calculate low pass gain by adding reverb input attenuation (pReverb->m_nLateGain) and substrating output 1211cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // xfade and sum gain (max +9dB) 1212cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp -= Effects_Linear16ToMillibels(pReverb->m_nLateGain) + 900; 1213cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = Effects_MillibelsToLinear16(temp); 1214135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1215cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // DC gain (temp) = b0 / (1 + a1) = pReverb->m_nRvbLpfFwd / (32767 - pReverb->m_nRvbLpfFbk) 1216cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nRvbLpfFwd 1217cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent = MULT_EG1_EG1(temp, (32767 - pReverb->m_nRvbLpfFbk)); 1218135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 12193856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("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)); 1220135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1221cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_DECAY_TIME) 1222cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1223cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = pProperties->decayHFRatio; 1224cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1225135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1226cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DECAY_HF_RATIO: 1227135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1228cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // We limit max value to 1000 because reverb filter is lowpass only 1229cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 < 100 || value16 > 1000) 1230cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1231cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert per mille to => m_nLpfFwd, m_nLpfFbk 1232135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1233cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Save current DC gain m_nRoomLpfFwd / (32767 - m_nRoomLpfFbk) to keep it unchanged 1234cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // while changing HF level 1235cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = (pReverb->m_nRvbLpfFwd << 15) / (32767 - pReverb->m_nRvbLpfFbk); 1236135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1237cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 == 1000) { 1238cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nRvbLpfFbk = 0; 1239cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } else { 1240cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent int32_t dG2, b, delta; 1241135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1242cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = Effects_Linear16ToMillibels(temp2); 1243cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // G_5000Hz = G_DC * (1000/REVERB_PARAM_DECAY_HF_RATIO) in millibels 1244135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1245cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value32 = ((int32_t) 1000 << 15) / (int32_t) value16; 12463856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_DECAY_HF_RATIO, DC gain %d, DC gain mB %d, 1000/R %d", temp2, temp, value32); 1247135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1248cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (int32_t) (((int64_t) temp * (int64_t) value32) >> 15); 1249135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1250cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp < -4000) { 12513856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_DECAY_HF_RATIO HF gain overflow %d mB", temp); 1252cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = -4000; 1253cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1254135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1255cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = Effects_MillibelsToLinear16(temp); 12563856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_DECAY_HF_RATIO, HF gain %d", temp); 1257cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // dG^2 1258cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (temp2 << 15) / temp; 1259cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent dG2 = (int32_t) (((int64_t) temp * (int64_t) temp) >> 15); 1260135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1261cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // b = 2*(C-dG^2)/(1-dG^2) 1262cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent b = (int32_t) ((((int64_t) 1 << (15 + 1)) 1263cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent * ((int64_t) pReverb->m_nCosWT_5KHz - (int64_t) dG2)) 1264cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent / ((int64_t) 32767 - (int64_t) dG2)); 1265135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1266cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // delta = b^2 - 4 1267cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent delta = (int32_t) ((((int64_t) b * (int64_t) b) >> 15) - (1 << (15 1268cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent + 2))); 1269135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1270cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // m_nRoomLpfFbk = -a1 = - (- b + sqrt(delta)) / 2 1271cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nRvbLpfFbk = (b - Effects_Sqrt(delta) * 181) >> 1; 1272135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 12733856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_DECAY_HF_RATIO, dG2 %d, b %d, delta %d", dG2, b, delta); 1274135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1275cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1276135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 12773856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_DECAY_HF_RATIO, gain %d, m_nRvbLpfFbk %d, m_nRvbLpfFwd %d", temp2, pReverb->m_nRvbLpfFbk, pReverb->m_nRvbLpfFwd); 1278135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1279cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nRvbLpfFwd 1280cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent = MULT_EG1_EG1(temp2, (32767 - pReverb->m_nRvbLpfFbk)); 1281135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1282cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_DECAY_HF_RATIO) 1283cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1284cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = pProperties->reflectionsLevel; 1285cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1286135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1287cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REFLECTIONS_LEVEL: 1288cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // We limit max value to 0 because gain is limited to 0dB 1289cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 > 0 || value16 < -6000) 1290cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1291135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1292cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert millibels to linear 16 bit signed and recompute m_sEarlyL.m_nGain[i] and m_sEarlyR.m_nGain[i]. 1293cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = Effects_MillibelsToLinear16(value16); 1294cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent for (i = 0; i < REVERB_MAX_NUM_REFLECTIONS; i++) { 1295cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_sEarlyL.m_nGain[i] 1296cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent = MULT_EG1_EG1(pPreset->m_sEarlyL.m_nGain[i],value16); 1297cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_sEarlyR.m_nGain[i] 1298cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent = MULT_EG1_EG1(pPreset->m_sEarlyR.m_nGain[i],value16); 1299cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1300cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nEarlyGain = value16; 13013856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_REFLECTIONS_LEVEL, m_nEarlyGain %d", pReverb->m_nEarlyGain); 1302cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1303cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_REFLECTIONS_LEVEL) 1304cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1305cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value32 = pProperties->reflectionsDelay; 1306cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1307cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1308cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REFLECTIONS_DELAY: 1309cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // We limit max value MAX_EARLY_TIME 1310cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // convert ms to time units 1311cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (value32 * 65536) / 1000; 1312cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp < 0 || temp > MAX_EARLY_TIME) 1313cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1314cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1315cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent maxSamples = (int32_t) (MAX_EARLY_TIME * pReverb->m_nSamplingRate) 1316cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent >> 16; 1317cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (temp * pReverb->m_nSamplingRate) >> 16; 1318cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent for (i = 0; i < REVERB_MAX_NUM_REFLECTIONS; i++) { 1319cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = temp + (((int32_t) pPreset->m_sEarlyL.m_zDelay[i] 1320cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent * pReverb->m_nSamplingRate) >> 16); 1321cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp2 > maxSamples) 1322cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = maxSamples; 1323cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_sEarlyL.m_zDelay[i] = pReverb->m_nEarly0in + temp2; 1324cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = temp + (((int32_t) pPreset->m_sEarlyR.m_zDelay[i] 1325cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent * pReverb->m_nSamplingRate) >> 16); 1326cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp2 > maxSamples) 1327cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp2 = maxSamples; 1328cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_sEarlyR.m_zDelay[i] = pReverb->m_nEarly1in + temp2; 1329cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1330cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nEarlyDelay = temp; 1331cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 13323856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_REFLECTIONS_DELAY, m_nEarlyDelay smps %d max smp delay %d", pReverb->m_nEarlyDelay, maxSamples); 1333cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1334cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert milliseconds to sample count => m_nEarlyDelay 1335cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_REFLECTIONS_DELAY) 1336cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1337cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = pProperties->reverbLevel; 1338cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1339cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1340cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REVERB_LEVEL: 1341cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // We limit max value to 0 because gain is limited to 0dB 1342cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 > 0 || value16 < -6000) 1343cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1344cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert millibels to linear 16 bits (gange 0 - 8191) => m_nLateGain. 1345cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nLateGain = Effects_MillibelsToLinear16(value16) >> 2; 1346cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 13473856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_REVERB_LEVEL, m_nLateGain %d", pReverb->m_nLateGain); 1348cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1349cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_REVERB_LEVEL) 1350cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1351cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value32 = pProperties->reverbDelay; 1352cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1353cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1354cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_REVERB_DELAY: 1355cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // We limit max value to MAX_DELAY_TIME 1356cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // convert ms to time units 1357cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (value32 * 65536) / 1000; 1358cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp < 0 || temp > MAX_DELAY_TIME) 1359cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1360cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1361cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent maxSamples = (int32_t) (MAX_DELAY_TIME * pReverb->m_nSamplingRate) 1362cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent >> 16; 1363cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (temp * pReverb->m_nSamplingRate) >> 16; 1364cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if ((temp + pReverb->m_nMaxExcursion) > maxSamples) { 1365cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = maxSamples - pReverb->m_nMaxExcursion; 1366cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1367cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp < pReverb->m_nMaxExcursion) { 1368cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = pReverb->m_nMaxExcursion; 1369cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1370135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1371cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp -= pReverb->m_nLateDelay; 1372cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nDelay0Out += temp; 1373cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nDelay1Out += temp; 1374cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_nLateDelay += temp; 1375135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 13763856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_REVERB_DELAY, m_nLateDelay smps %d max smp delay %d", pReverb->m_nLateDelay, maxSamples); 1377135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1378cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert milliseconds to sample count => m_nDelay1Out + m_nMaxExcursion 1379cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_REVERB_DELAY) 1380cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1381135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1382cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = pProperties->diffusion; 1383cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1384135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1385cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DIFFUSION: 1386cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 < 0 || value16 > 1000) 1387cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1388135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1389cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert per mille to m_sAp0.m_nApGain, m_sAp1.m_nApGain 1390cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_sAp0.m_nApGain = AP0_GAIN_BASE + ((int32_t) value16 1391cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent * AP0_GAIN_RANGE) / 1000; 1392cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_sAp1.m_nApGain = AP1_GAIN_BASE + ((int32_t) value16 1393cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent * AP1_GAIN_RANGE) / 1000; 1394135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 13953856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_DIFFUSION, m_sAp0.m_nApGain %d m_sAp1.m_nApGain %d", pReverb->m_sAp0.m_nApGain, pReverb->m_sAp1.m_nApGain); 1396135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1397cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (param == REVERB_PARAM_DIFFUSION) 1398cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1399135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1400cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent value16 = pProperties->density; 1401cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /* FALL THROUGH */ 1402135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1403cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PARAM_DENSITY: 1404cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (value16 < 0 || value16 > 1000) 1405cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent return -EINVAL; 1406135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1407cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // Convert per mille to m_sAp0.m_zApOut, m_sAp1.m_zApOut 1408cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent maxSamples = (int32_t) (MAX_AP_TIME * pReverb->m_nSamplingRate) >> 16; 1409135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1410cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = AP0_TIME_BASE + ((int32_t) value16 * AP0_TIME_RANGE) / 1000; 1411cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /*lint -e{702} shift for performance */ 1412cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (temp * pReverb->m_nSamplingRate) >> 16; 1413cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp > maxSamples) 1414cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = maxSamples; 1415cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_sAp0.m_zApOut = (uint16_t) (pReverb->m_sAp0.m_zApIn + temp); 1416135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 14173856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("REVERB_PARAM_DENSITY, Ap0 delay smps %d", temp); 1418135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1419cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = AP1_TIME_BASE + ((int32_t) value16 * AP1_TIME_RANGE) / 1000; 1420cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent /*lint -e{702} shift for performance */ 1421cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = (temp * pReverb->m_nSamplingRate) >> 16; 1422cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent if (temp > maxSamples) 1423cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent temp = maxSamples; 1424cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pReverb->m_sAp1.m_zApOut = (uint16_t) (pReverb->m_sAp1.m_zApIn + temp); 1425135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 14263856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Ap1 delay smps %d", temp); 1427135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1428cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1429135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1430cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent default: 1431cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 1432cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent } 1433135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1434cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent 1435135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 1436135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} /* end Reverb_setParameter */ 1437135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1438135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 1439135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * ReverbUpdateXfade 1440135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1441135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 1442135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Update the xfade parameters as required 1443135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1444135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 1445135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * nNumSamplesToAdd - number of samples to write to buffer 1446135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1447135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 1448135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1449135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1450135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 1451135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * - xfade parameters will be changed 1452135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1453135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1454135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 1455135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic int ReverbUpdateXfade(reverb_object_t *pReverb, int nNumSamplesToAdd) { 1456135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent uint16_t nOffset; 1457135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int16_t tempCos; 1458135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int16_t tempSin; 1459135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1460135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pReverb->m_nXfadeCounter >= pReverb->m_nXfadeInterval) { 1461135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* update interval has elapsed, so reset counter */ 1462135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nXfadeCounter = 0; 1463135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1464135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // Pin the sin,cos values to min / max values to ensure that the 1465135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // modulated taps' coefs are zero (thus no clicks) 1466135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pReverb->m_nPhaseIncrement > 0) { 1467135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // if phase increment > 0, then sin -> 1, cos -> 0 1468135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nSin = 32767; 1469135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCos = 0; 1470135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1471135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // reset the phase to match the sin, cos values 1472135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nPhase = 32767; 1473135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1474135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // modulate the cross taps because their tap coefs are zero 1475135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nOffset = ReverbCalculateNoise(pReverb); 1476135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1477135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD1Cross = pReverb->m_nDelay1Out 1478135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent - pReverb->m_nMaxExcursion + nOffset; 1479135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1480135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nOffset = ReverbCalculateNoise(pReverb); 1481135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1482135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD0Cross = pReverb->m_nDelay0Out 1483135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent - pReverb->m_nMaxExcursion - nOffset; 1484135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } else { 1485135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // if phase increment < 0, then sin -> 0, cos -> 1 1486135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nSin = 0; 1487135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCos = 32767; 1488135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1489135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // reset the phase to match the sin, cos values 1490135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nPhase = -32768; 1491135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1492135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // modulate the self taps because their tap coefs are zero 1493135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nOffset = ReverbCalculateNoise(pReverb); 1494135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1495135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD0Self = pReverb->m_nDelay0Out 1496135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent - pReverb->m_nMaxExcursion - nOffset; 1497135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1498135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nOffset = ReverbCalculateNoise(pReverb); 1499135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1500135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zD1Self = pReverb->m_nDelay1Out 1501135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent - pReverb->m_nMaxExcursion + nOffset; 1502135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1503135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } // end if-else (pReverb->m_nPhaseIncrement > 0) 1504135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1505135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // Reverse the direction of the sin,cos so that the 1506135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // tap whose coef was previously increasing now decreases 1507135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // and vice versa 1508135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nPhaseIncrement = -pReverb->m_nPhaseIncrement; 1509135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1510135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } // end if counter >= update interval 1511135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1512135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //compute what phase will be next time 1513135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nPhase += pReverb->m_nPhaseIncrement; 1514135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1515135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //calculate what the new sin and cos need to reach by the next update 1516135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent ReverbCalculateSinCos(pReverb->m_nPhase, &tempSin, &tempCos); 1517135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1518135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //calculate the per-sample increment required to get there by the next update 1519135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{702} shift for performance */ 1520135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nSinIncrement = (tempSin - pReverb->m_nSin) 1521135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent >> pReverb->m_nUpdatePeriodInBits; 1522135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1523135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{702} shift for performance */ 1524135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCosIncrement = (tempCos - pReverb->m_nCos) 1525135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent >> pReverb->m_nUpdatePeriodInBits; 1526135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1527135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* increment update counter */ 1528135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nXfadeCounter += (uint16_t) nNumSamplesToAdd; 1529135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1530135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 1531135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1532135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} /* end ReverbUpdateXfade */ 1533135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1534135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 1535135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * ReverbCalculateNoise 1536135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1537135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 1538135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Calculate a noise sample and limit its value 1539135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1540135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 1541135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * nMaxExcursion - noise value is limited to this value 1542135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pnNoise - return new noise sample in this (not limited) 1543135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1544135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 1545135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * new limited noise value 1546135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1547135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 1548135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * - *pnNoise noise value is updated 1549135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1550135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1551135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 1552135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic uint16_t ReverbCalculateNoise(reverb_object_t *pReverb) { 1553135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int16_t nNoise = pReverb->m_nNoise; 1554135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1555135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate new noise value 1556135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (pReverb->m_bUseNoise) { 1557135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nNoise = (int16_t) (nNoise * 5 + 1); 1558135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } else { 1559135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nNoise = 0; 1560135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1561135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1562135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nNoise = nNoise; 1563135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // return the limited noise value 1564135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return (pReverb->m_nMaxExcursion & nNoise); 1565135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1566135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} /* end ReverbCalculateNoise */ 1567135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1568135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 1569135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * ReverbCalculateSinCos 1570135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1571135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 1572135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Calculate a new sin and cosine value based on the given phase 1573135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1574135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 1575135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * nPhase - phase angle 1576135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pnSin - input old value, output new value 1577135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pnCos - input old value, output new value 1578135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1579135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 1580135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1581135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 1582135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * - *pnSin, *pnCos are updated 1583135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1584135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1585135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 1586135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic int ReverbCalculateSinCos(int16_t nPhase, int16_t *pnSin, int16_t *pnCos) { 1587135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nTemp; 1588135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nNetAngle; 1589135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1590135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // -1 <= nPhase < 1 1591135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // However, for the calculation, we need a value 1592135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // that ranges from -1/2 to +1/2, so divide the phase by 2 1593135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{702} shift for performance */ 1594135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nNetAngle = nPhase >> 1; 1595135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1596135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* 1597135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent Implement the following 1598135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent sin(x) = (2-4*c)*x^2 + c + x 1599135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent cos(x) = (2-4*c)*x^2 + c - x 1600135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1601135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent where c = 1/sqrt(2) 1602135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent using the a0 + x*(a1 + x*a2) approach 1603135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 1604135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1605135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* limit the input "angle" to be between -0.5 and +0.5 */ 1606135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (nNetAngle > EG1_HALF) { 1607135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nNetAngle = EG1_HALF; 1608135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } else if (nNetAngle < EG1_MINUS_HALF) { 1609135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nNetAngle = EG1_MINUS_HALF; 1610135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1611135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1612135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* calculate sin */ 1613135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp = EG1_ONE + MULT_EG1_EG1(REVERB_PAN_G2, nNetAngle); 1614135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp = REVERB_PAN_G0 + MULT_EG1_EG1(nTemp, nNetAngle); 1615135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *pnSin = (int16_t) SATURATE_EG1(nTemp); 1616135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1617135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /* calculate cos */ 1618135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp = -EG1_ONE + MULT_EG1_EG1(REVERB_PAN_G2, nNetAngle); 1619135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp = REVERB_PAN_G0 + MULT_EG1_EG1(nTemp, nNetAngle); 1620135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *pnCos = (int16_t) SATURATE_EG1(nTemp); 1621135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1622135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 1623135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} /* end ReverbCalculateSinCos */ 1624135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1625135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 1626135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Reverb 1627135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1628135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 1629135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * apply reverb to the given signal 1630135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1631135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 1632135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * nNu 1633135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pnSin - input old value, output new value 1634135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pnCos - input old value, output new value 1635135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1636135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 1637135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * number of samples actually reverberated 1638135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1639135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 1640135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1641135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1642135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 1643135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic int Reverb(reverb_object_t *pReverb, int nNumSamplesToAdd, 1644135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent short *pOutputBuffer, short *pInputBuffer) { 1645135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t i; 1646135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nDelayOut0; 1647135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nDelayOut1; 1648135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent uint16_t nBase; 1649135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1650135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent uint32_t nAddr; 1651135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nTemp1; 1652135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nTemp2; 1653135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nApIn; 1654135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nApOut; 1655135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1656135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t j; 1657135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t nEarlyOut; 1658135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1659135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int32_t tempValue; 1660135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1661135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // get the base address 1662135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nBase = pReverb->m_nBaseIndex; 1663135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1664135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent for (i = 0; i < nNumSamplesToAdd; i++) { 1665135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** Left Allpass - start 1666135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nApIn = *pInputBuffer; 1667135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (!pReverb->m_Aux) { 1668135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pInputBuffer++; 1669135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1670135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // store to early delay line 1671135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr = CIRCULAR(nBase, pReverb->m_nEarly0in, pReverb->m_nBufferMask); 1672135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelayLine[nAddr] = (short) nApIn; 1673135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1674135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // left input = (left dry * m_nLateGain) + right feedback from previous period 1675135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1676135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nApIn = SATURATE(nApIn + pReverb->m_nRevFbkR); 1677135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nApIn = MULT_EG1_EG1(nApIn, pReverb->m_nLateGain); 1678135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1679135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // fetch allpass delay line out 1680135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //nAddr = CIRCULAR(nBase, psAp0->m_zApOut, pReverb->m_nBufferMask); 1681135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr 1682135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = CIRCULAR(nBase, pReverb->m_sAp0.m_zApOut, pReverb->m_nBufferMask); 1683135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut0 = pReverb->m_nDelayLine[nAddr]; 1684135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1685135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate allpass feedforward; subtract the feedforward result 1686135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nApIn, pReverb->m_sAp0.m_nApGain); 1687135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nApOut = SATURATE(nDelayOut0 - nTemp1); // allpass output 1688135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1689135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate allpass feedback; add the feedback result 1690135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nApOut, pReverb->m_sAp0.m_nApGain); 1691135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = SATURATE(nApIn + nTemp1); 1692135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1693135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // inject into allpass delay 1694135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr 1695135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = CIRCULAR(nBase, pReverb->m_sAp0.m_zApIn, pReverb->m_nBufferMask); 1696135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelayLine[nAddr] = (short) nTemp1; 1697135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1698135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // inject allpass output into delay line 1699135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr = CIRCULAR(nBase, pReverb->m_zD0In, pReverb->m_nBufferMask); 1700135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelayLine[nAddr] = (short) nApOut; 1701135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1702135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** Left Allpass - end 1703135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1704135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** Right Allpass - start 1705135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nApIn = (*pInputBuffer++); 1706135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // store to early delay line 1707135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr = CIRCULAR(nBase, pReverb->m_nEarly1in, pReverb->m_nBufferMask); 1708135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelayLine[nAddr] = (short) nApIn; 1709135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1710135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // right input = (right dry * m_nLateGain) + left feedback from previous period 1711135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{702} use shift for performance */ 1712135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nApIn = SATURATE(nApIn + pReverb->m_nRevFbkL); 1713135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nApIn = MULT_EG1_EG1(nApIn, pReverb->m_nLateGain); 1714135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1715135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // fetch allpass delay line out 1716135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr 1717135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = CIRCULAR(nBase, pReverb->m_sAp1.m_zApOut, pReverb->m_nBufferMask); 1718135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut1 = pReverb->m_nDelayLine[nAddr]; 1719135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1720135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate allpass feedforward; subtract the feedforward result 1721135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nApIn, pReverb->m_sAp1.m_nApGain); 1722135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nApOut = SATURATE(nDelayOut1 - nTemp1); // allpass output 1723135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1724135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate allpass feedback; add the feedback result 1725135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nApOut, pReverb->m_sAp1.m_nApGain); 1726135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = SATURATE(nApIn + nTemp1); 1727135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1728135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // inject into allpass delay 1729135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr 1730135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = CIRCULAR(nBase, pReverb->m_sAp1.m_zApIn, pReverb->m_nBufferMask); 1731135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelayLine[nAddr] = (short) nTemp1; 1732135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1733135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // inject allpass output into delay line 1734135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr = CIRCULAR(nBase, pReverb->m_zD1In, pReverb->m_nBufferMask); 1735135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelayLine[nAddr] = (short) nApOut; 1736135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1737135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** Right Allpass - end 1738135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1739135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** D0 output - start 1740135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // fetch delay line self out 1741135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr = CIRCULAR(nBase, pReverb->m_zD0Self, pReverb->m_nBufferMask); 1742135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut0 = pReverb->m_nDelayLine[nAddr]; 1743135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1744135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate delay line self out 1745135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nDelayOut0, pReverb->m_nSin); 1746135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1747135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // fetch delay line cross out 1748135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr = CIRCULAR(nBase, pReverb->m_zD1Cross, pReverb->m_nBufferMask); 1749135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut0 = pReverb->m_nDelayLine[nAddr]; 1750135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1751135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate delay line self out 1752135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp2 = MULT_EG1_EG1(nDelayOut0, pReverb->m_nCos); 1753135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1754135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate unfiltered delay out 1755135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut0 = SATURATE(nTemp1 + nTemp2); 1756135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1757135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** D0 output - end 1758135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1759135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** D1 output - start 1760135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // fetch delay line self out 1761135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr = CIRCULAR(nBase, pReverb->m_zD1Self, pReverb->m_nBufferMask); 1762135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut1 = pReverb->m_nDelayLine[nAddr]; 1763135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1764135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate delay line self out 1765135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nDelayOut1, pReverb->m_nSin); 1766135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1767135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // fetch delay line cross out 1768135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr = CIRCULAR(nBase, pReverb->m_zD0Cross, pReverb->m_nBufferMask); 1769135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut1 = pReverb->m_nDelayLine[nAddr]; 1770135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1771135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate delay line self out 1772135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp2 = MULT_EG1_EG1(nDelayOut1, pReverb->m_nCos); 1773135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1774135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate unfiltered delay out 1775135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut1 = SATURATE(nTemp1 + nTemp2); 1776135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1777135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** D1 output - end 1778135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1779135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** mixer and feedback - start 1780135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // sum is fedback to right input (R + L) 1781135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut0 = (short) SATURATE(nDelayOut0 + nDelayOut1); 1782135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1783135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // difference is feedback to left input (R - L) 1784135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{685} lint complains that it can't saturate negative */ 1785135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut1 = (short) SATURATE(nDelayOut1 - nDelayOut0); 1786135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1787135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** mixer and feedback - end 1788135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1789135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate lowpass filter (mixer scale factor included in LPF feedforward) 1790135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nDelayOut0, pReverb->m_nRvbLpfFwd); 1791135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1792135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp2 = MULT_EG1_EG1(pReverb->m_nRevFbkL, pReverb->m_nRvbLpfFbk); 1793135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1794135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate filtered delay out and simultaneously update LPF state variable 1795135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // filtered delay output is stored in m_nRevFbkL 1796135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nRevFbkL = (short) SATURATE(nTemp1 + nTemp2); 1797135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1798135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate lowpass filter (mixer scale factor included in LPF feedforward) 1799135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nDelayOut1, pReverb->m_nRvbLpfFwd); 1800135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1801135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp2 = MULT_EG1_EG1(pReverb->m_nRevFbkR, pReverb->m_nRvbLpfFbk); 1802135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1803135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate filtered delay out and simultaneously update LPF state variable 1804135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // filtered delay output is stored in m_nRevFbkR 1805135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nRevFbkR = (short) SATURATE(nTemp1 + nTemp2); 1806135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1807135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** start early reflection generator, left 1808135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //psEarly = &(pReverb->m_sEarlyL); 1809135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1810135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1811135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent for (j = 0; j < REVERB_MAX_NUM_REFLECTIONS; j++) { 1812135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // fetch delay line out 1813135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //nAddr = CIRCULAR(nBase, psEarly->m_zDelay[j], pReverb->m_nBufferMask); 1814135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr 1815135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = CIRCULAR(nBase, pReverb->m_sEarlyL.m_zDelay[j], pReverb->m_nBufferMask); 1816135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1817135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = pReverb->m_nDelayLine[nAddr]; 1818135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1819135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate reflection 1820135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //nTemp1 = MULT_EG1_EG1(nDelayOut0, psEarly->m_nGain[j]); 1821135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nTemp1, pReverb->m_sEarlyL.m_nGain[j]); 1822135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1823135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut0 = SATURATE(nDelayOut0 + nTemp1); 1824135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1825135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } // end for (j=0; j < REVERB_MAX_NUM_REFLECTIONS; j++) 1826135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1827135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // apply lowpass to early reflections and reverb output 1828135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //nTemp1 = MULT_EG1_EG1(nEarlyOut, psEarly->m_nRvbLpfFwd); 1829135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nDelayOut0, pReverb->m_nRoomLpfFwd); 1830135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1831135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //nTemp2 = MULT_EG1_EG1(psEarly->m_zLpf, psEarly->m_nLpfFbk); 1832135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp2 = MULT_EG1_EG1(pReverb->m_zOutLpfL, pReverb->m_nRoomLpfFbk); 1833135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1834135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate filtered out and simultaneously update LPF state variable 1835135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // filtered output is stored in m_zOutLpfL 1836135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zOutLpfL = (short) SATURATE(nTemp1 + nTemp2); 1837135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1838135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //sum with output buffer 1839135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent tempValue = *pOutputBuffer; 1840135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *pOutputBuffer++ = (short) SATURATE(tempValue+pReverb->m_zOutLpfL); 1841135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1842135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** end early reflection generator, left 1843135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1844135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** start early reflection generator, right 1845135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //psEarly = &(pReverb->m_sEarlyR); 1846135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1847135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent for (j = 0; j < REVERB_MAX_NUM_REFLECTIONS; j++) { 1848135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // fetch delay line out 1849135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nAddr 1850135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = CIRCULAR(nBase, pReverb->m_sEarlyR.m_zDelay[j], pReverb->m_nBufferMask); 1851135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = pReverb->m_nDelayLine[nAddr]; 1852135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1853135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate reflection 1854135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nTemp1, pReverb->m_sEarlyR.m_nGain[j]); 1855135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1856135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nDelayOut1 = SATURATE(nDelayOut1 + nTemp1); 1857135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1858135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } // end for (j=0; j < REVERB_MAX_NUM_REFLECTIONS; j++) 1859135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1860135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // apply lowpass to early reflections 1861135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp1 = MULT_EG1_EG1(nDelayOut1, pReverb->m_nRoomLpfFwd); 1862135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1863135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nTemp2 = MULT_EG1_EG1(pReverb->m_zOutLpfR, pReverb->m_nRoomLpfFbk); 1864135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1865135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // calculate filtered out and simultaneously update LPF state variable 1866135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // filtered output is stored in m_zOutLpfR 1867135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_zOutLpfR = (short) SATURATE(nTemp1 + nTemp2); 1868135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1869135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //sum with output buffer 1870135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent tempValue = *pOutputBuffer; 1871135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *pOutputBuffer++ = (short) SATURATE(tempValue + pReverb->m_zOutLpfR); 1872135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1873135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // ********** end early reflection generator, right 1874135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1875135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // decrement base addr for next sample period 1876135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent nBase--; 1877135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1878135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nSin += pReverb->m_nSinIncrement; 1879135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCos += pReverb->m_nCosIncrement; 1880135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1881135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } // end for (i=0; i < nNumSamplesToAdd; i++) 1882135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1883135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // store the most up to date version 1884135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nBaseIndex = nBase; 1885135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1886135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 1887135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} /* end Reverb */ 1888135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1889135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 1890135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * ReverbUpdateRoom 1891135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1892135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: 1893135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Update the room's preset parameters as required 1894135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1895135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 1896135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1897135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 1898135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1899135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 1900135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Side Effects: 1901135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * - reverb paramters (fbk, fwd, etc) will be changed 1902135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * - m_nCurrentRoom := m_nNextRoom 1903135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 1904135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 1905135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic int ReverbUpdateRoom(reverb_object_t *pReverb, bool fullUpdate) { 1906135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int temp; 1907135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int i; 1908135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int maxSamples; 1909135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int earlyDelay; 1910135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent int earlyGain; 1911135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1912135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent reverb_preset_t *pPreset = 1913135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent &pReverb->m_sPreset.m_sPreset[pReverb->m_nNextRoom]; 1914135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1915135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (fullUpdate) { 1916135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nRvbLpfFwd = pPreset->m_nRvbLpfFwd; 1917135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nRvbLpfFbk = pPreset->m_nRvbLpfFbk; 1918135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1919135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nEarlyGain = pPreset->m_nEarlyGain; 1920135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //stored as time based, convert to sample based 1921135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nLateGain = pPreset->m_nLateGain; 1922135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nRoomLpfFbk = pPreset->m_nRoomLpfFbk; 1923135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nRoomLpfFwd = pPreset->m_nRoomLpfFwd; 1924135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1925135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // set the early reflections gains 1926135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent earlyGain = pPreset->m_nEarlyGain; 1927135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent for (i = 0; i < REVERB_MAX_NUM_REFLECTIONS; i++) { 1928135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sEarlyL.m_nGain[i] 1929135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = MULT_EG1_EG1(pPreset->m_sEarlyL.m_nGain[i],earlyGain); 1930135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sEarlyR.m_nGain[i] 1931135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent = MULT_EG1_EG1(pPreset->m_sEarlyR.m_nGain[i],earlyGain); 1932135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1933135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1934135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nMaxExcursion = pPreset->m_nMaxExcursion; 1935135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1936135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sAp0.m_nApGain = pPreset->m_nAp0_ApGain; 1937135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sAp1.m_nApGain = pPreset->m_nAp1_ApGain; 1938135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1939135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent // set the early reflections delay 1940135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent earlyDelay = ((int) pPreset->m_nEarlyDelay * pReverb->m_nSamplingRate) 1941135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent >> 16; 1942135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nEarlyDelay = earlyDelay; 1943135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent maxSamples = (int32_t) (MAX_EARLY_TIME * pReverb->m_nSamplingRate) 1944135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent >> 16; 1945135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent for (i = 0; i < REVERB_MAX_NUM_REFLECTIONS; i++) { 1946135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //stored as time based, convert to sample based 1947135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = earlyDelay + (((int) pPreset->m_sEarlyL.m_zDelay[i] 1948135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pReverb->m_nSamplingRate) >> 16); 1949135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (temp > maxSamples) 1950135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = maxSamples; 1951135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sEarlyL.m_zDelay[i] = pReverb->m_nEarly0in + temp; 1952135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //stored as time based, convert to sample based 1953135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = earlyDelay + (((int) pPreset->m_sEarlyR.m_zDelay[i] 1954135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * pReverb->m_nSamplingRate) >> 16); 1955135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (temp > maxSamples) 1956135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = maxSamples; 1957135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sEarlyR.m_zDelay[i] = pReverb->m_nEarly1in + temp; 1958135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1959135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1960135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent maxSamples = (int32_t) (MAX_DELAY_TIME * pReverb->m_nSamplingRate) 1961135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent >> 16; 1962135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //stored as time based, convert to sample based 1963135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{702} shift for performance */ 1964135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = (pPreset->m_nLateDelay * pReverb->m_nSamplingRate) >> 16; 1965135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if ((temp + pReverb->m_nMaxExcursion) > maxSamples) { 1966135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = maxSamples - pReverb->m_nMaxExcursion; 1967135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1968135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp -= pReverb->m_nLateDelay; 1969135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelay0Out += temp; 1970135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nDelay1Out += temp; 1971135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nLateDelay += temp; 1972135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1973135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent maxSamples = (int32_t) (MAX_AP_TIME * pReverb->m_nSamplingRate) >> 16; 1974135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //stored as time based, convert to absolute sample value 1975135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = pPreset->m_nAp0_ApOut; 1976135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{702} shift for performance */ 1977135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = (temp * pReverb->m_nSamplingRate) >> 16; 1978135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (temp > maxSamples) 1979135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = maxSamples; 1980135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sAp0.m_zApOut = (uint16_t) (pReverb->m_sAp0.m_zApIn + temp); 1981135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1982135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //stored as time based, convert to absolute sample value 1983135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = pPreset->m_nAp1_ApOut; 1984135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{702} shift for performance */ 1985135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = (temp * pReverb->m_nSamplingRate) >> 16; 1986135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent if (temp > maxSamples) 1987135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = maxSamples; 1988135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_sAp1.m_zApOut = (uint16_t) (pReverb->m_sAp1.m_zApIn + temp); 1989135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //gpsReverbObject->m_sAp1.m_zApOut = pPreset->m_nAp1_ApOut; 1990135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 1991135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 1992135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //stored as time based, convert to sample based 1993135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = pPreset->m_nXfadeInterval; 1994135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent /*lint -e{702} shift for performance */ 1995135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent temp = (temp * pReverb->m_nSamplingRate) >> 16; 1996135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nXfadeInterval = (uint16_t) temp; 1997135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent //gsReverbObject.m_nXfadeInterval = pPreset->m_nXfadeInterval; 1998135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nXfadeCounter = pReverb->m_nXfadeInterval + 1; // force update on first iteration 1999135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 2000135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pReverb->m_nCurrentRoom = pReverb->m_nNextRoom; 2001135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 2002135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 2003135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 2004135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} /* end ReverbUpdateRoom */ 2005135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 2006135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent/*---------------------------------------------------------------------------- 2007135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * ReverbReadInPresets() 2008135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 2009135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Purpose: sets global reverb preset bank to defaults 2010135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 2011135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Inputs: 2012135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 2013135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * Outputs: 2014135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent * 2015135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent *---------------------------------------------------------------------------- 2016135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent */ 2017135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurentstatic int ReverbReadInPresets(reverb_object_t *pReverb) { 2018135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 2019cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent int preset; 2020135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 2021cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // this is for test only. OpenSL ES presets are mapped to 4 presets. 2022cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent // REVERB_PRESET_NONE is mapped to bypass 2023cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent for (preset = 0; preset < REVERB_NUM_PRESETS; preset++) { 2024cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent reverb_preset_t *pPreset = &pReverb->m_sPreset.m_sPreset[preset]; 2025cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent switch (preset + 1) { 2026cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PRESET_PLATE: 2027cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PRESET_SMALLROOM: 2028cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRvbLpfFbk = 5077; 2029cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRvbLpfFwd = 11076; 2030135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nEarlyGain = 27690; 2031135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nEarlyDelay = 1311; 2032135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nLateGain = 8191; 2033135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nLateDelay = 3932; 2034135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nRoomLpfFbk = 3692; 2035cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRoomLpfFwd = 20474; 2036135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[0] = 1376; 2037135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[0] = 22152; 2038cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_sEarlyL.m_zDelay[1] = 1462; 2039135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[1] = 17537; 2040135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[2] = 0; 2041135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[2] = 14768; 2042135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[3] = 1835; 2043135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[3] = 14307; 2044135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[4] = 0; 2045135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[4] = 13384; 2046135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[0] = 721; 2047135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[0] = 20306; 2048135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[1] = 2621; 2049135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[1] = 17537; 2050135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[2] = 0; 2051135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[2] = 14768; 2052135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[3] = 0; 2053135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[3] = 16153; 2054135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[4] = 0; 2055135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[4] = 13384; 2056135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nMaxExcursion = 127; 2057cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nXfadeInterval = 6470; //6483; 2058cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp0_ApGain = 14768; 2059cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp0_ApOut = 792; 2060cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp1_ApGain = 14777; 2061cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp1_ApOut = 1191; 2062135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu4 = 0; 2063135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu5 = 0; 2064135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu6 = 0; 2065135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu7 = 0; 2066135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu8 = 0; 2067135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu9 = 0; 2068135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu10 = 0; 2069cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 2070cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PRESET_MEDIUMROOM: 2071cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PRESET_LARGEROOM: 2072cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRvbLpfFbk = 5077; 2073cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRvbLpfFwd = 12922; 2074135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nEarlyGain = 27690; 2075135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nEarlyDelay = 1311; 2076135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nLateGain = 8191; 2077135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nLateDelay = 3932; 2078135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nRoomLpfFbk = 3692; 2079cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRoomLpfFwd = 21703; 2080135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[0] = 1376; 2081135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[0] = 22152; 2082135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[1] = 1462; 2083135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[1] = 17537; 2084135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[2] = 0; 2085135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[2] = 14768; 2086135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[3] = 1835; 2087135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[3] = 14307; 2088135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[4] = 0; 2089135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[4] = 13384; 2090135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[0] = 721; 2091135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[0] = 20306; 2092135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[1] = 2621; 2093135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[1] = 17537; 2094135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[2] = 0; 2095135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[2] = 14768; 2096135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[3] = 0; 2097135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[3] = 16153; 2098135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[4] = 0; 2099135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[4] = 13384; 2100135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nMaxExcursion = 127; 2101cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nXfadeInterval = 6449; 2102cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp0_ApGain = 15691; 2103cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp0_ApOut = 774; 2104cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp1_ApGain = 16317; 2105cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp1_ApOut = 1155; 2106135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu4 = 0; 2107135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu5 = 0; 2108135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu6 = 0; 2109135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu7 = 0; 2110135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu8 = 0; 2111135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu9 = 0; 2112135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu10 = 0; 2113cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 2114cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PRESET_MEDIUMHALL: 2115cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRvbLpfFbk = 6461; 2116cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRvbLpfFwd = 14307; 2117135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nEarlyGain = 27690; 2118135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nEarlyDelay = 1311; 2119135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nLateGain = 8191; 2120135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nLateDelay = 3932; 2121135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nRoomLpfFbk = 3692; 2122cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRoomLpfFwd = 24569; 2123135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[0] = 1376; 2124135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[0] = 22152; 2125135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[1] = 1462; 2126135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[1] = 17537; 2127135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[2] = 0; 2128135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[2] = 14768; 2129135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[3] = 1835; 2130135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[3] = 14307; 2131135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[4] = 0; 2132135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[4] = 13384; 2133135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[0] = 721; 2134135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[0] = 20306; 2135135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[1] = 2621; 2136135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[1] = 17537; 2137135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[2] = 0; 2138135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[2] = 14768; 2139135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[3] = 0; 2140135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[3] = 16153; 2141135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[4] = 0; 2142135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[4] = 13384; 2143135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nMaxExcursion = 127; 2144cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nXfadeInterval = 6391; 2145cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp0_ApGain = 15230; 2146cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp0_ApOut = 708; 2147cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp1_ApGain = 15547; 2148cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp1_ApOut = 1023; 2149135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu4 = 0; 2150135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu5 = 0; 2151135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu6 = 0; 2152135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu7 = 0; 2153135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu8 = 0; 2154135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu9 = 0; 2155135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu10 = 0; 2156cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 2157cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent case REVERB_PRESET_LARGEHALL: 2158cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRvbLpfFbk = 8307; 2159cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRvbLpfFwd = 14768; 2160135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nEarlyGain = 27690; 2161135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nEarlyDelay = 1311; 2162135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nLateGain = 8191; 2163135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nLateDelay = 3932; 2164135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nRoomLpfFbk = 3692; 2165cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nRoomLpfFwd = 24569; 2166135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[0] = 1376; 2167135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[0] = 22152; 2168cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_sEarlyL.m_zDelay[1] = 2163; 2169135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[1] = 17537; 2170135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[2] = 0; 2171135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[2] = 14768; 2172135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[3] = 1835; 2173135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[3] = 14307; 2174135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_zDelay[4] = 0; 2175135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyL.m_nGain[4] = 13384; 2176135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[0] = 721; 2177135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[0] = 20306; 2178135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[1] = 2621; 2179135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[1] = 17537; 2180135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[2] = 0; 2181135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[2] = 14768; 2182135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[3] = 0; 2183135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[3] = 16153; 2184135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_zDelay[4] = 0; 2185135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_sEarlyR.m_nGain[4] = 13384; 2186135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_nMaxExcursion = 127; 2187cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nXfadeInterval = 6388; 2188cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp0_ApGain = 15691; 2189cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp0_ApOut = 711; 2190cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp1_ApGain = 16317; 2191cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent pPreset->m_nAp1_ApOut = 1029; 2192135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu4 = 0; 2193135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu5 = 0; 2194135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu6 = 0; 2195135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu7 = 0; 2196135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu8 = 0; 2197135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu9 = 0; 2198135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent pPreset->m_rfu10 = 0; 2199cb28102ad3976339ec445afbcb4130f2991b38d7Eric Laurent break; 2200135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 2201135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent } 2202135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent 2203135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent return 0; 2204135ad07e33d30e5202deb21061a0e3ecf0ffad35Eric Laurent} 2205e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent 2206e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurentaudio_effect_library_t AUDIO_EFFECT_LIBRARY_INFO_SYM = { 2207e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent .tag = AUDIO_EFFECT_LIBRARY_TAG, 2208e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent .version = EFFECT_LIBRARY_API_VERSION, 2209e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent .name = "Test Equalizer Library", 2210e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent .implementor = "The Android Open Source Project", 2211e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent .create_effect = EffectCreate, 2212e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent .release_effect = EffectRelease, 2213e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent .get_descriptor = EffectGetDescriptor, 2214e1315cf0b63b4c14a77046519e6b01f6f60d74b0Eric Laurent}; 2215