android13/frameworks/av/media/libeffects/lvm/wrapper/Reverb/EffectReverb.cpp

2030 lines
82 KiB
C++

/*
* Copyright (C) 2010-2010 NXP Software
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef LVM_FLOAT
typedef float LVM_FLOAT;
#endif
#define LOG_TAG "Reverb"
#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array)[0])
//#define LOG_NDEBUG 0
#include <assert.h>
#include <inttypes.h>
#include <new>
#include <stdlib.h>
#include <string.h>
#include <audio_utils/primitives.h>
#include <log/log.h>
#include "EffectReverb.h"
// from Reverb/lib
#include "LVREV.h"
#include "VectorArithmetic.h"
// effect_handle_t interface implementation for reverb
extern "C" const struct effect_interface_s gReverbInterface;
#define LVM_ERROR_CHECK(LvmStatus, callingFunc, calledFunc) \
{ \
if ((LvmStatus) == LVREV_NULLADDRESS) { \
ALOGV("\tLVREV_ERROR : Parameter error - " \
"null pointer returned by %s in %s\n\n\n\n", \
callingFunc, calledFunc); \
} \
if ((LvmStatus) == LVREV_INVALIDNUMSAMPLES) { \
ALOGV("\tLVREV_ERROR : Parameter error - " \
"bad number of samples returned by %s in %s\n\n\n\n", \
callingFunc, calledFunc); \
} \
if ((LvmStatus) == LVREV_OUTOFRANGE) { \
ALOGV("\tLVREV_ERROR : Parameter error - " \
"out of range returned by %s in %s\n", \
callingFunc, calledFunc); \
} \
}
// Namespaces
namespace android {
namespace {
/************************************************************************************/
/* */
/* Preset definitions */
/* */
/************************************************************************************/
const static t_reverb_settings sReverbPresets[] = {
// REVERB_PRESET_NONE: values are unused
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
// REVERB_PRESET_SMALLROOM
{-400, -600, 1100, 830, -400, 5, 500, 10, 1000, 1000},
// REVERB_PRESET_MEDIUMROOM
{-400, -600, 1300, 830, -1000, 20, -200, 20, 1000, 1000},
// REVERB_PRESET_LARGEROOM
{-400, -600, 1500, 830, -1600, 5, -1000, 40, 1000, 1000},
// REVERB_PRESET_MEDIUMHALL
{-400, -600, 1800, 700, -1300, 15, -800, 30, 1000, 1000},
// REVERB_PRESET_LARGEHALL
{-400, -600, 1800, 700, -2000, 30, -1400, 60, 1000, 1000},
// REVERB_PRESET_PLATE
{-400, -200, 1300, 900, 0, 2, 0, 10, 1000, 750},
};
// NXP SW auxiliary environmental reverb
const effect_descriptor_t gAuxEnvReverbDescriptor = {
{0xc2e5d5f0, 0x94bd, 0x4763, 0x9cac, {0x4e, 0x23, 0x4d, 0x06, 0x83, 0x9e}},
{0x4a387fc0, 0x8ab3, 0x11df, 0x8bad, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
EFFECT_CONTROL_API_VERSION,
EFFECT_FLAG_TYPE_AUXILIARY,
LVREV_CUP_LOAD_ARM9E,
LVREV_MEM_USAGE,
"Auxiliary Environmental Reverb",
"NXP Software Ltd.",
};
// NXP SW insert environmental reverb
static const effect_descriptor_t gInsertEnvReverbDescriptor = {
{0xc2e5d5f0, 0x94bd, 0x4763, 0x9cac, {0x4e, 0x23, 0x4d, 0x06, 0x83, 0x9e}},
{0xc7a511a0, 0xa3bb, 0x11df, 0x860e, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
EFFECT_CONTROL_API_VERSION,
EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST | EFFECT_FLAG_VOLUME_CTRL,
LVREV_CUP_LOAD_ARM9E,
LVREV_MEM_USAGE,
"Insert Environmental Reverb",
"NXP Software Ltd.",
};
// NXP SW auxiliary preset reverb
static const effect_descriptor_t gAuxPresetReverbDescriptor = {
{0x47382d60, 0xddd8, 0x11db, 0xbf3a, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
{0xf29a1400, 0xa3bb, 0x11df, 0x8ddc, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
EFFECT_CONTROL_API_VERSION,
EFFECT_FLAG_TYPE_AUXILIARY,
LVREV_CUP_LOAD_ARM9E,
LVREV_MEM_USAGE,
"Auxiliary Preset Reverb",
"NXP Software Ltd.",
};
// NXP SW insert preset reverb
static const effect_descriptor_t gInsertPresetReverbDescriptor = {
{0x47382d60, 0xddd8, 0x11db, 0xbf3a, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
{0x172cdf00, 0xa3bc, 0x11df, 0xa72f, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
EFFECT_CONTROL_API_VERSION,
EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST | EFFECT_FLAG_VOLUME_CTRL,
LVREV_CUP_LOAD_ARM9E,
LVREV_MEM_USAGE,
"Insert Preset Reverb",
"NXP Software Ltd.",
};
// gDescriptors contains pointers to all defined effect descriptor in this library
static const effect_descriptor_t* const gDescriptors[] = {
&gAuxEnvReverbDescriptor, &gInsertEnvReverbDescriptor, &gAuxPresetReverbDescriptor,
&gInsertPresetReverbDescriptor};
typedef float process_buffer_t; // process in float
struct ReverbContext {
const struct effect_interface_s* itfe;
effect_config_t config;
LVREV_Handle_t hInstance;
int16_t SavedRoomLevel;
int16_t SavedHfLevel;
int16_t SavedDecayTime;
int16_t SavedDecayHfRatio;
int16_t SavedReverbLevel;
int16_t SavedDiffusion;
int16_t SavedDensity;
bool bEnabled;
LVM_Fs_en SampleRate;
process_buffer_t* InFrames;
process_buffer_t* OutFrames;
size_t bufferSizeIn;
size_t bufferSizeOut;
bool auxiliary;
bool preset;
uint16_t curPreset;
uint16_t nextPreset;
int SamplesToExitCount;
LVM_INT16 leftVolume;
LVM_INT16 rightVolume;
LVM_INT16 prevLeftVolume;
LVM_INT16 prevRightVolume;
int volumeMode;
};
enum {
REVERB_VOLUME_OFF,
REVERB_VOLUME_FLAT,
REVERB_VOLUME_RAMP,
};
#define REVERB_DEFAULT_PRESET REVERB_PRESET_NONE
#define REVERB_SEND_LEVEL 0.75f // 0.75 in 4.12 format
#define REVERB_UNIT_VOLUME (0x1000) // 1.0 in 4.12 format
//--- local function prototypes
int Reverb_init(ReverbContext* pContext);
void Reverb_free(ReverbContext* pContext);
int Reverb_setConfig(ReverbContext* pContext, effect_config_t* pConfig);
void Reverb_getConfig(ReverbContext* pContext, effect_config_t* pConfig);
int Reverb_setParameter(ReverbContext* pContext, void* pParam, void* pValue, int vsize);
int Reverb_getParameter(ReverbContext* pContext, void* pParam, uint32_t* pValueSize, void* pValue);
int Reverb_LoadPreset(ReverbContext* pContext);
int Reverb_paramValueSize(int32_t param);
/* Effect Library Interface Implementation */
extern "C" int EffectCreate(const effect_uuid_t* uuid, int32_t /* sessionId __unused */,
int32_t /* ioId __unused */, effect_handle_t* pHandle) {
int ret;
int i;
int length = sizeof(gDescriptors) / sizeof(const effect_descriptor_t*);
const effect_descriptor_t* desc;
ALOGV("\t\nEffectCreate start");
if (pHandle == NULL || uuid == NULL) {
ALOGV("\tLVM_ERROR : EffectCreate() called with NULL pointer");
return -EINVAL;
}
for (i = 0; i < length; i++) {
desc = gDescriptors[i];
if (memcmp(uuid, &desc->uuid, sizeof(effect_uuid_t)) == 0) {
ALOGV("\tEffectCreate - UUID matched Reverb type %d, UUID = %x", i, desc->uuid.timeLow);
break;
}
}
if (i == length) {
return -ENOENT;
}
ReverbContext* pContext = new ReverbContext;
pContext->itfe = &gReverbInterface;
pContext->hInstance = NULL;
pContext->auxiliary = false;
if ((desc->flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_AUXILIARY) {
pContext->auxiliary = true;
ALOGV("\tEffectCreate - AUX");
} else {
ALOGV("\tEffectCreate - INS");
}
pContext->preset = false;
if (memcmp(&desc->type, SL_IID_PRESETREVERB, sizeof(effect_uuid_t)) == 0) {
pContext->preset = true;
// force reloading preset at first call to process()
pContext->curPreset = REVERB_PRESET_LAST + 1;
pContext->nextPreset = REVERB_DEFAULT_PRESET;
ALOGV("\tEffectCreate - PRESET");
} else {
ALOGV("\tEffectCreate - ENVIRONMENTAL");
}
ALOGV("\tEffectCreate - Calling Reverb_init");
ret = Reverb_init(pContext);
if (ret < 0) {
ALOGV("\tLVM_ERROR : EffectCreate() init failed");
delete pContext;
return ret;
}
*pHandle = (effect_handle_t)pContext;
int channels = audio_channel_count_from_out_mask(pContext->config.inputCfg.channels);
channels = (pContext->auxiliary == true) ? channels : FCC_2;
// Allocate memory for reverb process (*2 is for STEREO)
pContext->bufferSizeIn = LVREV_MAX_FRAME_SIZE * sizeof(process_buffer_t) * channels;
pContext->bufferSizeOut = LVREV_MAX_FRAME_SIZE * sizeof(process_buffer_t) * FCC_2;
pContext->InFrames = (process_buffer_t*)calloc(pContext->bufferSizeIn, 1 /* size */);
pContext->OutFrames = (process_buffer_t*)calloc(pContext->bufferSizeOut, 1 /* size */);
ALOGV("\tEffectCreate %p, size %zu", pContext, sizeof(ReverbContext));
ALOGV("\tEffectCreate end\n");
return 0;
} /* end EffectCreate */
extern "C" int EffectRelease(effect_handle_t handle) {
ReverbContext* pContext = (ReverbContext*)handle;
ALOGV("\tEffectRelease %p", handle);
if (pContext == NULL) {
ALOGV("\tLVM_ERROR : EffectRelease called with NULL pointer");
return -EINVAL;
}
free(pContext->InFrames);
free(pContext->OutFrames);
pContext->bufferSizeIn = 0;
pContext->bufferSizeOut = 0;
Reverb_free(pContext);
delete pContext;
return 0;
} /* end EffectRelease */
extern "C" int EffectGetDescriptor(const effect_uuid_t* uuid, effect_descriptor_t* pDescriptor) {
int i;
int length = sizeof(gDescriptors) / sizeof(const effect_descriptor_t*);
if (pDescriptor == NULL || uuid == NULL) {
ALOGV("EffectGetDescriptor() called with NULL pointer");
return -EINVAL;
}
for (i = 0; i < length; i++) {
if (memcmp(uuid, &gDescriptors[i]->uuid, sizeof(effect_uuid_t)) == 0) {
*pDescriptor = *gDescriptors[i];
ALOGV("EffectGetDescriptor - UUID matched Reverb type %d, UUID = %x", i,
gDescriptors[i]->uuid.timeLow);
return 0;
}
}
return -EINVAL;
} /* end EffectGetDescriptor */
/* local functions */
#define CHECK_ARG(cond) \
{ \
if (!(cond)) { \
ALOGV("\tLVM_ERROR : Invalid argument: " #cond); \
return -EINVAL; \
} \
}
//----------------------------------------------------------------------------
// process()
//----------------------------------------------------------------------------
// Purpose:
// Apply the Reverb
//
// Inputs:
// pIn: pointer to stereo/mono float or 16 bit input data
// pOut: pointer to stereo float or 16 bit output data
// frameCount: Frames to process
// pContext: effect engine context
// strength strength to be applied
//
// Outputs:
// pOut: pointer to updated stereo 16 bit output data
//
//----------------------------------------------------------------------------
int process(effect_buffer_t* pIn, effect_buffer_t* pOut, int frameCount, ReverbContext* pContext) {
int channels = audio_channel_count_from_out_mask(pContext->config.inputCfg.channels);
int outChannels = audio_channel_count_from_out_mask(pContext->config.outputCfg.channels);
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
// Reverb only effects the stereo channels in multichannel source.
if (channels < 1 || channels > LVM_MAX_CHANNELS) {
ALOGE("\tLVREV_ERROR : process invalid PCM channels %d", channels);
return -EINVAL;
}
size_t inSize = frameCount * sizeof(process_buffer_t) * channels;
size_t outSize = frameCount * sizeof(process_buffer_t) * FCC_2;
if (pContext->InFrames == NULL || pContext->bufferSizeIn < inSize) {
free(pContext->InFrames);
pContext->bufferSizeIn = inSize;
pContext->InFrames = (process_buffer_t*)calloc(1, pContext->bufferSizeIn);
}
if (pContext->OutFrames == NULL || pContext->bufferSizeOut < outSize) {
free(pContext->OutFrames);
pContext->bufferSizeOut = outSize;
pContext->OutFrames = (process_buffer_t*)calloc(1, pContext->bufferSizeOut);
}
// Check for NULL pointers
if ((pContext->InFrames == NULL) || (pContext->OutFrames == NULL)) {
ALOGE("\tLVREV_ERROR : process failed to allocate memory for temporary buffers ");
return -EINVAL;
}
if (pContext->preset && pContext->nextPreset != pContext->curPreset) {
Reverb_LoadPreset(pContext);
}
if (pContext->auxiliary) {
static_assert(std::is_same<decltype(*pIn), decltype(*pContext->InFrames)>::value,
"pIn and InFrames must be same type");
memcpy(pContext->InFrames, pIn, frameCount * channels * sizeof(*pIn));
} else {
// mono input is duplicated
if (channels >= FCC_2) {
for (int i = 0; i < frameCount; i++) {
pContext->InFrames[FCC_2 * i] =
(process_buffer_t)pIn[channels * i] * REVERB_SEND_LEVEL;
pContext->InFrames[FCC_2 * i + 1] =
(process_buffer_t)pIn[channels * i + 1] * REVERB_SEND_LEVEL;
}
} else {
for (int i = 0; i < frameCount; i++) {
pContext->InFrames[FCC_2 * i] = pContext->InFrames[FCC_2 * i + 1] =
(process_buffer_t)pIn[i] * REVERB_SEND_LEVEL;
}
}
}
if (pContext->preset && pContext->curPreset == REVERB_PRESET_NONE) {
memset(pContext->OutFrames, 0,
frameCount * sizeof(*pContext->OutFrames) * FCC_2); // always stereo here
} else {
if (pContext->bEnabled == LVM_FALSE && pContext->SamplesToExitCount > 0) {
memset(pContext->InFrames, 0, frameCount * sizeof(*pContext->OutFrames) * channels);
ALOGV("\tZeroing %d samples per frame at the end of call", channels);
}
/* Process the samples, producing a stereo output */
LvmStatus = LVREV_Process(pContext->hInstance, /* Instance handle */
pContext->InFrames, /* Input buffer */
pContext->OutFrames, /* Output buffer */
frameCount); /* Number of samples to read */
}
LVM_ERROR_CHECK(LvmStatus, "LVREV_Process", "process")
if (LvmStatus != LVREV_SUCCESS) return -EINVAL;
// Convert to 16 bits
if (pContext->auxiliary) {
// nothing to do here
} else {
if (channels >= FCC_2) {
for (int i = 0; i < frameCount; i++) {
// Mix with dry input
pContext->OutFrames[FCC_2 * i] += pIn[channels * i];
pContext->OutFrames[FCC_2 * i + 1] += pIn[channels * i + 1];
}
} else {
for (int i = 0; i < frameCount; i++) {
// Mix with dry input
pContext->OutFrames[FCC_2 * i] += pIn[i];
pContext->OutFrames[FCC_2 * i + 1] += pIn[i];
}
}
// apply volume with ramp if needed
if ((pContext->leftVolume != pContext->prevLeftVolume ||
pContext->rightVolume != pContext->prevRightVolume) &&
pContext->volumeMode == REVERB_VOLUME_RAMP) {
// FIXME: still using int16 volumes.
// For reference: REVERB_UNIT_VOLUME (0x1000) // 1.0 in 4.12 format
float vl = (float)pContext->prevLeftVolume / 4096;
float incl = (((float)pContext->leftVolume / 4096) - vl) / frameCount;
float vr = (float)pContext->prevRightVolume / 4096;
float incr = (((float)pContext->rightVolume / 4096) - vr) / frameCount;
for (int i = 0; i < frameCount; i++) {
pContext->OutFrames[FCC_2 * i] *= vl;
pContext->OutFrames[FCC_2 * i + 1] *= vr;
vl += incl;
vr += incr;
}
pContext->prevLeftVolume = pContext->leftVolume;
pContext->prevRightVolume = pContext->rightVolume;
} else if (pContext->volumeMode != REVERB_VOLUME_OFF) {
if (pContext->leftVolume != REVERB_UNIT_VOLUME ||
pContext->rightVolume != REVERB_UNIT_VOLUME) {
for (int i = 0; i < frameCount; i++) {
pContext->OutFrames[FCC_2 * i] *= ((float)pContext->leftVolume / 4096);
pContext->OutFrames[FCC_2 * i + 1] *= ((float)pContext->rightVolume / 4096);
}
}
pContext->prevLeftVolume = pContext->leftVolume;
pContext->prevRightVolume = pContext->rightVolume;
pContext->volumeMode = REVERB_VOLUME_RAMP;
}
}
if (outChannels > 2) {
// Accumulate if required
if (pContext->config.outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE) {
for (int i = 0; i < frameCount; i++) {
pOut[outChannels * i] += pContext->OutFrames[FCC_2 * i];
pOut[outChannels * i + 1] += pContext->OutFrames[FCC_2 * i + 1];
}
} else {
for (int i = 0; i < frameCount; i++) {
pOut[outChannels * i] = pContext->OutFrames[FCC_2 * i];
pOut[outChannels * i + 1] = pContext->OutFrames[FCC_2 * i + 1];
}
}
if (!pContext->auxiliary) {
for (int i = 0; i < frameCount; i++) {
// channels and outChannels are expected to be same.
for (int j = FCC_2; j < outChannels; j++) {
pOut[outChannels * i + j] = pIn[outChannels * i + j];
}
}
}
} else {
if (pContext->config.outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE) {
if (outChannels == FCC_1) {
for (int i = 0; i < frameCount; i++) {
pOut[i] +=
((pContext->OutFrames[i * FCC_2] + pContext->OutFrames[i * FCC_2 + 1]) *
0.5f);
}
} else {
for (int i = 0; i < frameCount * FCC_2; i++) {
pOut[i] += pContext->OutFrames[i];
}
}
} else {
if (outChannels == FCC_1) {
From2iToMono_Float((const process_buffer_t*)pContext->OutFrames, pOut, frameCount);
} else {
memcpy(pOut, pContext->OutFrames, frameCount * sizeof(*pOut) * FCC_2);
}
}
}
return 0;
} /* end process */
//----------------------------------------------------------------------------
// Reverb_free()
//----------------------------------------------------------------------------
// Purpose: Free all memory associated with the Bundle.
//
// Inputs:
// pContext: effect engine context
//
// Outputs:
//
//----------------------------------------------------------------------------
void Reverb_free(ReverbContext* pContext) {
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
LvmStatus = LVREV_FreeInstance(pContext->hInstance);
LVM_ERROR_CHECK(LvmStatus, "LVREV_FreeInstance", "Reverb_free")
} /* end Reverb_free */
//----------------------------------------------------------------------------
// Reverb_setConfig()
//----------------------------------------------------------------------------
// Purpose: Set input and output audio configuration.
//
// Inputs:
// pContext: effect engine context
// pConfig: pointer to effect_config_t structure holding input and output
// configuration parameters
//
// Outputs:
//
//----------------------------------------------------------------------------
int Reverb_setConfig(ReverbContext* pContext, effect_config_t* pConfig) {
LVM_Fs_en SampleRate;
// ALOGV("\tReverb_setConfig start");
CHECK_ARG(pContext != NULL);
CHECK_ARG(pConfig != NULL);
CHECK_ARG(pConfig->inputCfg.samplingRate == pConfig->outputCfg.samplingRate);
CHECK_ARG(pConfig->inputCfg.format == pConfig->outputCfg.format);
int inputChannels = audio_channel_count_from_out_mask(pConfig->inputCfg.channels);
CHECK_ARG((pContext->auxiliary && pConfig->inputCfg.channels == AUDIO_CHANNEL_OUT_MONO) ||
((!pContext->auxiliary) && (inputChannels <= LVM_MAX_CHANNELS)));
int outputChannels = audio_channel_count_from_out_mask(pConfig->outputCfg.channels);
CHECK_ARG(outputChannels <= LVM_MAX_CHANNELS);
CHECK_ARG(pConfig->outputCfg.accessMode == EFFECT_BUFFER_ACCESS_WRITE ||
pConfig->outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE);
CHECK_ARG(pConfig->inputCfg.format == EFFECT_BUFFER_FORMAT);
// ALOGV("\tReverb_setConfig calling memcpy");
pContext->config = *pConfig;
SampleRate = lvmFsForSampleRate(pConfig->inputCfg.samplingRate);
if (SampleRate == LVM_FS_INVALID) {
ALOGE("Reverb_setConfig invalid sampling rate %d", pConfig->inputCfg.samplingRate);
return -EINVAL;
}
if (pContext->SampleRate != SampleRate) {
LVREV_ControlParams_st ActiveParams;
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS;
// ALOGV("\tReverb_setConfig change sampling rate to %d", SampleRate);
/* Get the current settings */
LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "Reverb_setConfig")
if (LvmStatus != LVREV_SUCCESS) return -EINVAL;
ActiveParams.SampleRate = SampleRate;
LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "Reverb_setConfig")
if (LvmStatus != LVREV_SUCCESS) return -EINVAL;
// ALOGV("\tReverb_setConfig Successfully called LVREV_SetControlParameters\n");
pContext->SampleRate = SampleRate;
} else {
// ALOGV("\tReverb_setConfig keep sampling rate at %d", SampleRate);
}
// ALOGV("\tReverb_setConfig End");
return 0;
} /* end Reverb_setConfig */
//----------------------------------------------------------------------------
// Reverb_getConfig()
//----------------------------------------------------------------------------
// Purpose: Get input and output audio configuration.
//
// Inputs:
// pContext: effect engine context
// pConfig: pointer to effect_config_t structure holding input and output
// configuration parameters
//
// Outputs:
//
//----------------------------------------------------------------------------
void Reverb_getConfig(ReverbContext* pContext, effect_config_t* pConfig) {
*pConfig = pContext->config;
} /* end Reverb_getConfig */
//----------------------------------------------------------------------------
// Reverb_init()
//----------------------------------------------------------------------------
// Purpose: Initialize engine with default configuration
//
// Inputs:
// pContext: effect engine context
//
// Outputs:
//
//----------------------------------------------------------------------------
int Reverb_init(ReverbContext* pContext) {
ALOGV("\tReverb_init start");
CHECK_ARG(pContext != NULL);
if (pContext->hInstance != NULL) {
Reverb_free(pContext);
}
pContext->config.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ;
if (pContext->auxiliary) {
pContext->config.inputCfg.channels = AUDIO_CHANNEL_OUT_MONO;
} else {
pContext->config.inputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
}
pContext->config.inputCfg.format = EFFECT_BUFFER_FORMAT;
pContext->config.inputCfg.samplingRate = 44100;
pContext->config.inputCfg.bufferProvider.getBuffer = NULL;
pContext->config.inputCfg.bufferProvider.releaseBuffer = NULL;
pContext->config.inputCfg.bufferProvider.cookie = NULL;
pContext->config.inputCfg.mask = EFFECT_CONFIG_ALL;
pContext->config.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_ACCUMULATE;
pContext->config.outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
pContext->config.outputCfg.format = EFFECT_BUFFER_FORMAT;
pContext->config.outputCfg.samplingRate = 44100;
pContext->config.outputCfg.bufferProvider.getBuffer = NULL;
pContext->config.outputCfg.bufferProvider.releaseBuffer = NULL;
pContext->config.outputCfg.bufferProvider.cookie = NULL;
pContext->config.outputCfg.mask = EFFECT_CONFIG_ALL;
pContext->leftVolume = REVERB_UNIT_VOLUME;
pContext->rightVolume = REVERB_UNIT_VOLUME;
pContext->prevLeftVolume = REVERB_UNIT_VOLUME;
pContext->prevRightVolume = REVERB_UNIT_VOLUME;
pContext->volumeMode = REVERB_VOLUME_FLAT;
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
LVREV_ControlParams_st params; /* Control Parameters */
LVREV_InstanceParams_st InstParams; /* Instance parameters */
/* Set the capabilities */
InstParams.MaxBlockSize = MAX_CALL_SIZE;
InstParams.SourceFormat = LVM_STEREO; // Max format, could be mono during process
InstParams.NumDelays = LVREV_DELAYLINES_4;
/* Initialise */
pContext->hInstance = LVM_NULL;
/* Init sets the instance handle */
LvmStatus = LVREV_GetInstanceHandle(&pContext->hInstance, &InstParams);
LVM_ERROR_CHECK(LvmStatus, "LVM_GetInstanceHandle", "Reverb_init")
if (LvmStatus != LVREV_SUCCESS) return -EINVAL;
ALOGV("\tReverb_init CreateInstance Successfully called LVM_GetInstanceHandle\n");
/* Set the initial process parameters */
/* General parameters */
params.OperatingMode = LVM_MODE_ON;
params.SampleRate = LVM_FS_44100;
pContext->SampleRate = LVM_FS_44100;
if (pContext->config.inputCfg.channels == AUDIO_CHANNEL_OUT_MONO) {
params.SourceFormat = LVM_MONO;
} else {
params.SourceFormat = LVM_STEREO;
}
if ((pContext->auxiliary == false) && (params.SourceFormat == LVM_MONO)) {
params.SourceFormat = LVM_STEREO;
}
/* Reverb parameters */
params.Level = 0;
params.LPF = 23999;
params.HPF = 50;
params.T60 = 1490;
params.Density = 100;
params.Damping = 21;
params.RoomSize = 100;
pContext->SamplesToExitCount = (params.T60 * pContext->config.inputCfg.samplingRate) / 1000;
/* Saved strength is used to return the exact strength that was used in the set to the get
* because we map the original strength range of 0:1000 to 1:15, and this will avoid
* quantisation like effect when returning
*/
pContext->SavedRoomLevel = -6000;
pContext->SavedHfLevel = 0;
pContext->bEnabled = LVM_FALSE;
pContext->SavedDecayTime = params.T60;
pContext->SavedDecayHfRatio = params.Damping * 20;
pContext->SavedDensity = params.RoomSize * 10;
pContext->SavedDiffusion = params.Density * 10;
pContext->SavedReverbLevel = -6000;
/* Activate the initial settings */
LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &params);
LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "Reverb_init")
if (LvmStatus != LVREV_SUCCESS) return -EINVAL;
ALOGV("\tReverb_init CreateInstance Successfully called LVREV_SetControlParameters\n");
ALOGV("\tReverb_init End");
return 0;
} /* end Reverb_init */
//----------------------------------------------------------------------------
// ReverbConvertLevel()
//----------------------------------------------------------------------------
// Purpose:
// Convert level from OpenSL ES format to LVM format
//
// Inputs:
// level level to be applied
//
//----------------------------------------------------------------------------
int16_t ReverbConvertLevel(int16_t level) {
static int16_t LevelArray[101] = {
-12000, -4000, -3398, -3046, -2796, -2603, -2444, -2310, -2194, -2092, -2000, -1918,
-1842, -1773, -1708, -1648, -1592, -1540, -1490, -1443, -1398, -1356, -1316, -1277,
-1240, -1205, -1171, -1138, -1106, -1076, -1046, -1018, -990, -963, -938, -912,
-888, -864, -841, -818, -796, -775, -754, -734, -714, -694, -675, -656,
-638, -620, -603, -585, -568, -552, -536, -520, -504, -489, -474, -459,
-444, -430, -416, -402, -388, -375, -361, -348, -335, -323, -310, -298,
-286, -274, -262, -250, -239, -228, -216, -205, -194, -184, -173, -162,
-152, -142, -132, -121, -112, -102, -92, -82, -73, -64, -54, -45,
-36, -27, -18, -9, 0};
int16_t i;
for (i = 0; i < 101; i++) {
if (level <= LevelArray[i]) break;
}
return i;
}
//----------------------------------------------------------------------------
// ReverbConvertHFLevel()
//----------------------------------------------------------------------------
// Purpose:
// Convert level from OpenSL ES format to LVM format
//
// Inputs:
// level level to be applied
//
//----------------------------------------------------------------------------
int16_t ReverbConvertHfLevel(int16_t Hflevel) {
int16_t i;
static LPFPair_t LPFArray[97] = {
// Limit range to 50 for LVREV parameter range
{-10000, 50}, {-5000, 50}, {-4000, 50}, {-3000, 158}, {-2000, 502}, {-1000, 1666},
{-900, 1897}, {-800, 2169}, {-700, 2496}, {-600, 2895}, {-500, 3400}, {-400, 4066},
{-300, 5011}, {-200, 6537}, {-100, 9826}, {-99, 9881}, {-98, 9937}, {-97, 9994},
{-96, 10052}, {-95, 10111}, {-94, 10171}, {-93, 10231}, {-92, 10293}, {-91, 10356},
{-90, 10419}, {-89, 10484}, {-88, 10549}, {-87, 10616}, {-86, 10684}, {-85, 10753},
{-84, 10823}, {-83, 10895}, {-82, 10968}, {-81, 11042}, {-80, 11117}, {-79, 11194},
{-78, 11272}, {-77, 11352}, {-76, 11433}, {-75, 11516}, {-74, 11600}, {-73, 11686},
{-72, 11774}, {-71, 11864}, {-70, 11955}, {-69, 12049}, {-68, 12144}, {-67, 12242},
{-66, 12341}, {-65, 12443}, {-64, 12548}, {-63, 12654}, {-62, 12763}, {-61, 12875},
{-60, 12990}, {-59, 13107}, {-58, 13227}, {-57, 13351}, {-56, 13477}, {-55, 13607},
{-54, 13741}, {-53, 13878}, {-52, 14019}, {-51, 14164}, {-50, 14313}, {-49, 14467},
{-48, 14626}, {-47, 14789}, {-46, 14958}, {-45, 15132}, {-44, 15312}, {-43, 15498},
{-42, 15691}, {-41, 15890}, {-40, 16097}, {-39, 16311}, {-38, 16534}, {-37, 16766},
{-36, 17007}, {-35, 17259}, {-34, 17521}, {-33, 17795}, {-32, 18081}, {-31, 18381},
{-30, 18696}, {-29, 19027}, {-28, 19375}, {-27, 19742}, {-26, 20129}, {-25, 20540},
{-24, 20976}, {-23, 21439}, {-22, 21934}, {-21, 22463}, {-20, 23031}, {-19, 23643},
{-18, 23999}};
for (i = 0; i < 96; i++) {
if (Hflevel <= LPFArray[i].Room_HF) break;
}
return LPFArray[i].LPF;
}
//----------------------------------------------------------------------------
// ReverbSetRoomHfLevel()
//----------------------------------------------------------------------------
// Purpose:
// Apply the HF level to the Reverb. Must first be converted to LVM format
//
// Inputs:
// pContext: effect engine context
// level level to be applied
//
//----------------------------------------------------------------------------
void ReverbSetRoomHfLevel(ReverbContext* pContext, int16_t level) {
// ALOGV("\tReverbSetRoomHfLevel start (%d)", level);
LVREV_ControlParams_st ActiveParams; /* Current control Parameters */
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
/* Get the current settings */
LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetRoomHfLevel")
// ALOGV("\tReverbSetRoomHfLevel Successfully returned from LVM_GetControlParameters\n");
// ALOGV("\tReverbSetRoomHfLevel() just Got -> %d\n", ActiveParams.LPF);
ActiveParams.LPF = ReverbConvertHfLevel(level);
/* Activate the initial settings */
LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetRoomHfLevel")
// ALOGV("\tReverbSetRoomhfLevel() just Set -> %d\n", ActiveParams.LPF);
pContext->SavedHfLevel = level;
// ALOGV("\tReverbSetHfRoomLevel end.. saving %d", pContext->SavedHfLevel);
return;
}
//----------------------------------------------------------------------------
// ReverbGetRoomHfLevel()
//----------------------------------------------------------------------------
// Purpose:
// Get the level applied to the Revervb. Must first be converted to LVM format
//
// Inputs:
// pContext: effect engine context
//
//----------------------------------------------------------------------------
int16_t ReverbGetRoomHfLevel(ReverbContext* pContext) {
int16_t level;
// ALOGV("\tReverbGetRoomHfLevel start, saved level is %d", pContext->SavedHfLevel);
LVREV_ControlParams_st ActiveParams; /* Current control Parameters */
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
/* Get the current settings */
LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetRoomHfLevel")
// ALOGV("\tReverbGetRoomHfLevel Successfully returned from LVM_GetControlParameters\n");
// ALOGV("\tReverbGetRoomHfLevel() just Got -> %d\n", ActiveParams.LPF);
level = ReverbConvertHfLevel(pContext->SavedHfLevel);
// ALOGV("\tReverbGetRoomHfLevel() ActiveParams.LPFL %d, pContext->SavedHfLevel: %d, "
// "converted level: %d\n", ActiveParams.LPF, pContext->SavedHfLevel, level);
if ((int16_t)ActiveParams.LPF != level) {
ALOGV("\tLVM_ERROR : (ignore at start up) ReverbGetRoomHfLevel() has wrong level -> %d "
"%d\n",
ActiveParams.Level, level);
}
// ALOGV("\tReverbGetRoomHfLevel end");
return pContext->SavedHfLevel;
}
//----------------------------------------------------------------------------
// ReverbSetReverbLevel()
//----------------------------------------------------------------------------
// Purpose:
// Apply the level to the Reverb. Must first be converted to LVM format
//
// Inputs:
// pContext: effect engine context
// level level to be applied
//
//----------------------------------------------------------------------------
void ReverbSetReverbLevel(ReverbContext* pContext, int16_t level) {
// ALOGV("\n\tReverbSetReverbLevel start (%d)", level);
LVREV_ControlParams_st ActiveParams; /* Current control Parameters */
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
LVM_INT32 CombinedLevel; // Sum of room and reverb level controls
/* Get the current settings */
LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetReverbLevel")
// ALOGV("\tReverbSetReverbLevel Successfully returned from LVM_GetControlParameters\n");
// ALOGV("\tReverbSetReverbLevel just Got -> %d\n", ActiveParams.Level);
// needs to subtract max levels for both RoomLevel and ReverbLevel
CombinedLevel = (level + pContext->SavedRoomLevel) - LVREV_MAX_REVERB_LEVEL;
// ALOGV("\tReverbSetReverbLevel() CombinedLevel is %d = %d + %d\n",
// CombinedLevel, level, pContext->SavedRoomLevel);
ActiveParams.Level = ReverbConvertLevel(CombinedLevel);
// ALOGV("\tReverbSetReverbLevel() Trying to set -> %d\n", ActiveParams.Level);
/* Activate the initial settings */
LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetReverbLevel")
// ALOGV("\tReverbSetReverbLevel() just Set -> %d\n", ActiveParams.Level);
pContext->SavedReverbLevel = level;
// ALOGV("\tReverbSetReverbLevel end pContext->SavedReverbLevel is %d\n\n",
// pContext->SavedReverbLevel);
return;
}
//----------------------------------------------------------------------------
// ReverbGetReverbLevel()
//----------------------------------------------------------------------------
// Purpose:
// Get the level applied to the Revervb. Must first be converted to LVM format
//
// Inputs:
// pContext: effect engine context
//
//----------------------------------------------------------------------------
int16_t ReverbGetReverbLevel(ReverbContext* pContext) {
int16_t level;
// ALOGV("\tReverbGetReverbLevel start");
LVREV_ControlParams_st ActiveParams; /* Current control Parameters */
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
LVM_INT32 CombinedLevel; // Sum of room and reverb level controls
/* Get the current settings */
LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetReverbLevel")
// ALOGV("\tReverbGetReverbLevel Successfully returned from LVM_GetControlParameters\n");
// ALOGV("\tReverbGetReverbLevel() just Got -> %d\n", ActiveParams.Level);
// needs to subtract max levels for both RoomLevel and ReverbLevel
CombinedLevel =
(pContext->SavedReverbLevel + pContext->SavedRoomLevel) - LVREV_MAX_REVERB_LEVEL;
// ALOGV("\tReverbGetReverbLevel() CombinedLevel is %d = %d + %d\n",
// CombinedLevel, pContext->SavedReverbLevel, pContext->SavedRoomLevel);
level = ReverbConvertLevel(CombinedLevel);
// ALOGV("\tReverbGetReverbLevel(): ActiveParams.Level: %d, pContext->SavedReverbLevel: %d, "
//"pContext->SavedRoomLevel: %d, CombinedLevel: %d, converted level: %d\n",
// ActiveParams.Level, pContext->SavedReverbLevel,pContext->SavedRoomLevel,
// CombinedLevel,level);
if (ActiveParams.Level != level) {
ALOGV("\tLVM_ERROR : (ignore at start up) ReverbGetReverbLevel() has wrong level -> %d "
"%d\n",
ActiveParams.Level, level);
}
// ALOGV("\tReverbGetReverbLevel end\n");
return pContext->SavedReverbLevel;
}
//----------------------------------------------------------------------------
// ReverbSetRoomLevel()
//----------------------------------------------------------------------------
// Purpose:
// Apply the level to the Reverb. Must first be converted to LVM format
//
// Inputs:
// pContext: effect engine context
// level level to be applied
//
//----------------------------------------------------------------------------
void ReverbSetRoomLevel(ReverbContext* pContext, int16_t level) {
// ALOGV("\tReverbSetRoomLevel start (%d)", level);
LVREV_ControlParams_st ActiveParams; /* Current control Parameters */
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
LVM_INT32 CombinedLevel; // Sum of room and reverb level controls
/* Get the current settings */
LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetRoomLevel")
// ALOGV("\tReverbSetRoomLevel Successfully returned from LVM_GetControlParameters\n");
// ALOGV("\tReverbSetRoomLevel() just Got -> %d\n", ActiveParams.Level);
// needs to subtract max levels for both RoomLevel and ReverbLevel
CombinedLevel = (level + pContext->SavedReverbLevel) - LVREV_MAX_REVERB_LEVEL;
ActiveParams.Level = ReverbConvertLevel(CombinedLevel);
/* Activate the initial settings */
LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetRoomLevel")
// ALOGV("\tReverbSetRoomLevel() just Set -> %d\n", ActiveParams.Level);
pContext->SavedRoomLevel = level;
// ALOGV("\tReverbSetRoomLevel end");
return;
}
//----------------------------------------------------------------------------
// ReverbGetRoomLevel()
//----------------------------------------------------------------------------
// Purpose:
// Get the level applied to the Revervb. Must first be converted to LVM format
//
// Inputs:
// pContext: effect engine context
//
//----------------------------------------------------------------------------
int16_t ReverbGetRoomLevel(ReverbContext* pContext) {
int16_t level;
// ALOGV("\tReverbGetRoomLevel start");
LVREV_ControlParams_st ActiveParams; /* Current control Parameters */
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
LVM_INT32 CombinedLevel; // Sum of room and reverb level controls
/* Get the current settings */
LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetRoomLevel")
// ALOGV("\tReverbGetRoomLevel Successfully returned from LVM_GetControlParameters\n");
// ALOGV("\tReverbGetRoomLevel() just Got -> %d\n", ActiveParams.Level);
// needs to subtract max levels for both RoomLevel and ReverbLevel
CombinedLevel =
(pContext->SavedRoomLevel + pContext->SavedReverbLevel - LVREV_MAX_REVERB_LEVEL);
level = ReverbConvertLevel(CombinedLevel);
// ALOGV("\tReverbGetRoomLevel, Level = %d, pContext->SavedRoomLevel = %d, "
// "pContext->SavedReverbLevel = %d, CombinedLevel = %d, level = %d",
// ActiveParams.Level, pContext->SavedRoomLevel,
// pContext->SavedReverbLevel, CombinedLevel, level);
if (ActiveParams.Level != level) {
ALOGV("\tLVM_ERROR : (ignore at start up) ReverbGetRoomLevel() has wrong level -> %d %d\n",
ActiveParams.Level, level);
}
// ALOGV("\tReverbGetRoomLevel end");
return pContext->SavedRoomLevel;
}
//----------------------------------------------------------------------------
// ReverbSetDecayTime()
//----------------------------------------------------------------------------
// Purpose:
// Apply the decay time to the Reverb.
//
// Inputs:
// pContext: effect engine context
// time decay to be applied
//
//----------------------------------------------------------------------------
void ReverbSetDecayTime(ReverbContext* pContext, uint32_t time) {
// ALOGV("\tReverbSetDecayTime start (%d)", time);
LVREV_ControlParams_st ActiveParams; /* Current control Parameters */
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
/* Get the current settings */
LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetDecayTime")
// ALOGV("\tReverbSetDecayTime Successfully returned from LVM_GetControlParameters\n");
// ALOGV("\tReverbSetDecayTime() just Got -> %d\n", ActiveParams.T60);
if (time <= LVREV_MAX_T60) {
ActiveParams.T60 = (LVM_UINT16)time;
} else {
ActiveParams.T60 = LVREV_MAX_T60;
}
/* Activate the initial settings */
LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetDecayTime")
// ALOGV("\tReverbSetDecayTime() just Set -> %d\n", ActiveParams.T60);
pContext->SamplesToExitCount =
(ActiveParams.T60 * pContext->config.inputCfg.samplingRate) / 1000;
// ALOGV("\tReverbSetDecayTime() just Set SamplesToExitCount->
// %d\n",pContext->SamplesToExitCount);
pContext->SavedDecayTime = (int16_t)time;
// ALOGV("\tReverbSetDecayTime end");
return;
}
//----------------------------------------------------------------------------
// ReverbGetDecayTime()
//----------------------------------------------------------------------------
// Purpose:
// Get the decay time applied to the Revervb.
//
// Inputs:
// pContext: effect engine context
//
//----------------------------------------------------------------------------
uint32_t ReverbGetDecayTime(ReverbContext* pContext) {
// ALOGV("\tReverbGetDecayTime start");
LVREV_ControlParams_st ActiveParams; /* Current control Parameters */
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
/* Get the current settings */
LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetDecayTime")
// ALOGV("\tReverbGetDecayTime Successfully returned from LVM_GetControlParameters\n");
// ALOGV("\tReverbGetDecayTime() just Got -> %d\n", ActiveParams.T60);
if (ActiveParams.T60 != pContext->SavedDecayTime) {
// This will fail if the decay time is set to more than 7000
ALOGV("\tLVM_ERROR : ReverbGetDecayTime() has wrong level -> %d %d\n", ActiveParams.T60,
pContext->SavedDecayTime);
}
// ALOGV("\tReverbGetDecayTime end");
return (uint32_t)ActiveParams.T60;
}
//----------------------------------------------------------------------------
// ReverbSetDecayHfRatio()
//----------------------------------------------------------------------------
// Purpose:
// Apply the HF decay ratio to the Reverb.
//
// Inputs:
// pContext: effect engine context
// ratio ratio to be applied
//
//----------------------------------------------------------------------------
void ReverbSetDecayHfRatio(ReverbContext* pContext, int16_t ratio) {
// ALOGV("\tReverbSetDecayHfRatioe start (%d)", ratio);
LVREV_ControlParams_st ActiveParams; /* Current control Parameters */
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
/* Get the current settings */
LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetDecayHfRatio")
// ALOGV("\tReverbSetDecayHfRatio Successfully returned from LVM_GetControlParameters\n");
// ALOGV("\tReverbSetDecayHfRatio() just Got -> %d\n", ActiveParams.Damping);
ActiveParams.Damping = (LVM_INT16)(ratio / 20);
/* Activate the initial settings */
LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetDecayHfRatio")
// ALOGV("\tReverbSetDecayHfRatio() just Set -> %d\n", ActiveParams.Damping);
pContext->SavedDecayHfRatio = ratio;
// ALOGV("\tReverbSetDecayHfRatio end");
return;
}
//----------------------------------------------------------------------------
// ReverbGetDecayHfRatio()
//----------------------------------------------------------------------------
// Purpose:
// Get the HF decay ratio applied to the Revervb.
//
// Inputs:
// pContext: effect engine context
//
//----------------------------------------------------------------------------
int32_t ReverbGetDecayHfRatio(ReverbContext* pContext) {
// ALOGV("\tReverbGetDecayHfRatio start");
LVREV_ControlParams_st ActiveParams; /* Current control Parameters */
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
/* Get the current settings */
LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetDecayHfRatio")
// ALOGV("\tReverbGetDecayHfRatio Successfully returned from LVM_GetControlParameters\n");
// ALOGV("\tReverbGetDecayHfRatio() just Got -> %d\n", ActiveParams.Damping);
if (ActiveParams.Damping != (LVM_INT16)(pContext->SavedDecayHfRatio / 20)) {
ALOGV("\tLVM_ERROR : ReverbGetDecayHfRatio() has wrong level -> %d %d\n",
ActiveParams.Damping, pContext->SavedDecayHfRatio);
}
// ALOGV("\tReverbGetDecayHfRatio end");
return pContext->SavedDecayHfRatio;
}
//----------------------------------------------------------------------------
// ReverbSetDiffusion()
//----------------------------------------------------------------------------
// Purpose:
// Apply the diffusion to the Reverb.
//
// Inputs:
// pContext: effect engine context
// level decay to be applied
//
//----------------------------------------------------------------------------
void ReverbSetDiffusion(ReverbContext* pContext, int16_t level) {
// ALOGV("\tReverbSetDiffusion start (%d)", level);
LVREV_ControlParams_st ActiveParams; /* Current control Parameters */
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
/* Get the current settings */
LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetDiffusion")
// ALOGV("\tReverbSetDiffusion Successfully returned from LVM_GetControlParameters\n");
// ALOGV("\tReverbSetDiffusion() just Got -> %d\n", ActiveParams.Density);
ActiveParams.Density = (LVM_INT16)(level / 10);
/* Activate the initial settings */
LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetDiffusion")
// ALOGV("\tReverbSetDiffusion() just Set -> %d\n", ActiveParams.Density);
pContext->SavedDiffusion = level;
// ALOGV("\tReverbSetDiffusion end");
return;
}
//----------------------------------------------------------------------------
// ReverbGetDiffusion()
//----------------------------------------------------------------------------
// Purpose:
// Get the decay time applied to the Revervb.
//
// Inputs:
// pContext: effect engine context
//
//----------------------------------------------------------------------------
int32_t ReverbGetDiffusion(ReverbContext* pContext) {
// ALOGV("\tReverbGetDiffusion start");
LVREV_ControlParams_st ActiveParams; /* Current control Parameters */
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
LVM_INT16 Temp;
/* Get the current settings */
LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetDiffusion")
// ALOGV("\tReverbGetDiffusion Successfully returned from LVM_GetControlParameters\n");
// ALOGV("\tReverbGetDiffusion just Got -> %d\n", ActiveParams.Density);
Temp = (LVM_INT16)(pContext->SavedDiffusion / 10);
if (ActiveParams.Density != Temp) {
ALOGV("\tLVM_ERROR : ReverbGetDiffusion invalid value %d %d", Temp, ActiveParams.Density);
}
// ALOGV("\tReverbGetDiffusion end");
return pContext->SavedDiffusion;
}
//----------------------------------------------------------------------------
// ReverbSetDensity()
//----------------------------------------------------------------------------
// Purpose:
// Apply the density level the Reverb.
//
// Inputs:
// pContext: effect engine context
// level decay to be applied
//
//----------------------------------------------------------------------------
void ReverbSetDensity(ReverbContext* pContext, int16_t level) {
// ALOGV("\tReverbSetDensity start (%d)", level);
LVREV_ControlParams_st ActiveParams; /* Current control Parameters */
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
/* Get the current settings */
LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetDensity")
// ALOGV("\tReverbSetDensity Successfully returned from LVM_GetControlParameters\n");
// ALOGV("\tReverbSetDensity just Got -> %d\n", ActiveParams.RoomSize);
ActiveParams.RoomSize = (LVM_INT16)(((level * 99) / 1000) + 1);
/* Activate the initial settings */
LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetDensity")
// ALOGV("\tReverbSetDensity just Set -> %d\n", ActiveParams.RoomSize);
pContext->SavedDensity = level;
// ALOGV("\tReverbSetDensity end");
return;
}
//----------------------------------------------------------------------------
// ReverbGetDensity()
//----------------------------------------------------------------------------
// Purpose:
// Get the density level applied to the Revervb.
//
// Inputs:
// pContext: effect engine context
//
//----------------------------------------------------------------------------
int32_t ReverbGetDensity(ReverbContext* pContext) {
// ALOGV("\tReverbGetDensity start");
LVREV_ControlParams_st ActiveParams; /* Current control Parameters */
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
LVM_INT16 Temp;
/* Get the current settings */
LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetDensity")
// ALOGV("\tReverbGetDensity Successfully returned from LVM_GetControlParameters\n");
// ALOGV("\tReverbGetDensity() just Got -> %d\n", ActiveParams.RoomSize);
Temp = (LVM_INT16)(((pContext->SavedDensity * 99) / 1000) + 1);
if (Temp != ActiveParams.RoomSize) {
ALOGV("\tLVM_ERROR : ReverbGetDensity invalid value %d %d", Temp, ActiveParams.RoomSize);
}
// ALOGV("\tReverbGetDensity end");
return pContext->SavedDensity;
}
//----------------------------------------------------------------------------
// Reverb_LoadPreset()
//----------------------------------------------------------------------------
// Purpose:
// Load a the next preset
//
// Inputs:
// pContext - handle to instance data
//
// Outputs:
//
// Side Effects:
//
//----------------------------------------------------------------------------
int Reverb_LoadPreset(ReverbContext* pContext) {
// TODO: add reflections delay, level and reverb delay when early reflections are
// implemented
pContext->curPreset = pContext->nextPreset;
if (pContext->curPreset != REVERB_PRESET_NONE) {
const t_reverb_settings* preset = &sReverbPresets[pContext->curPreset];
ReverbSetRoomLevel(pContext, preset->roomLevel);
ReverbSetRoomHfLevel(pContext, preset->roomHFLevel);
ReverbSetDecayTime(pContext, preset->decayTime);
ReverbSetDecayHfRatio(pContext, preset->decayHFRatio);
// reflectionsLevel
// reflectionsDelay
ReverbSetReverbLevel(pContext, preset->reverbLevel);
// reverbDelay
ReverbSetDiffusion(pContext, preset->diffusion);
ReverbSetDensity(pContext, preset->density);
}
return 0;
}
//----------------------------------------------------------------------------
// Reverb_getParameter()
//----------------------------------------------------------------------------
// Purpose:
// Get a Reverb parameter
//
// Inputs:
// pContext - handle to instance data
// pParam - pointer to parameter
// pValue - pointer to variable to hold retrieved value
// pValueSize - pointer to value size: maximum size as input
//
// Outputs:
// *pValue updated with parameter value
// *pValueSize updated with actual value size
//
//
// Side Effects:
//
//----------------------------------------------------------------------------
int Reverb_getParameter(ReverbContext* pContext, void* pParam, uint32_t* pValueSize, void* pValue) {
int status = 0;
int32_t* pParamTemp = (int32_t*)pParam;
int32_t param = *pParamTemp++;
t_reverb_settings* pProperties;
// ALOGV("\tReverb_getParameter start");
if (pContext->preset) {
if (param != REVERB_PARAM_PRESET || *pValueSize < sizeof(uint16_t)) {
return -EINVAL;
}
*(uint16_t*)pValue = pContext->nextPreset;
ALOGV("get REVERB_PARAM_PRESET, preset %d", pContext->nextPreset);
return 0;
}
switch (param) {
case REVERB_PARAM_ROOM_LEVEL:
if (*pValueSize != sizeof(int16_t)) {
ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize1 %d", *pValueSize);
return -EINVAL;
}
*pValueSize = sizeof(int16_t);
break;
case REVERB_PARAM_ROOM_HF_LEVEL:
if (*pValueSize != sizeof(int16_t)) {
ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize12 %d", *pValueSize);
return -EINVAL;
}
*pValueSize = sizeof(int16_t);
break;
case REVERB_PARAM_DECAY_TIME:
if (*pValueSize != sizeof(uint32_t)) {
ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize3 %d", *pValueSize);
return -EINVAL;
}
*pValueSize = sizeof(uint32_t);
break;
case REVERB_PARAM_DECAY_HF_RATIO:
if (*pValueSize != sizeof(int16_t)) {
ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize4 %d", *pValueSize);
return -EINVAL;
}
*pValueSize = sizeof(int16_t);
break;
case REVERB_PARAM_REFLECTIONS_LEVEL:
if (*pValueSize != sizeof(int16_t)) {
ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize5 %d", *pValueSize);
return -EINVAL;
}
*pValueSize = sizeof(int16_t);
break;
case REVERB_PARAM_REFLECTIONS_DELAY:
if (*pValueSize != sizeof(uint32_t)) {
ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize6 %d", *pValueSize);
return -EINVAL;
}
*pValueSize = sizeof(uint32_t);
break;
case REVERB_PARAM_REVERB_LEVEL:
if (*pValueSize != sizeof(int16_t)) {
ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize7 %d", *pValueSize);
return -EINVAL;
}
*pValueSize = sizeof(int16_t);
break;
case REVERB_PARAM_REVERB_DELAY:
if (*pValueSize != sizeof(uint32_t)) {
ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize8 %d", *pValueSize);
return -EINVAL;
}
*pValueSize = sizeof(uint32_t);
break;
case REVERB_PARAM_DIFFUSION:
if (*pValueSize != sizeof(int16_t)) {
ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize9 %d", *pValueSize);
return -EINVAL;
}
*pValueSize = sizeof(int16_t);
break;
case REVERB_PARAM_DENSITY:
if (*pValueSize != sizeof(int16_t)) {
ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize10 %d", *pValueSize);
return -EINVAL;
}
*pValueSize = sizeof(int16_t);
break;
case REVERB_PARAM_PROPERTIES:
if (*pValueSize != sizeof(t_reverb_settings)) {
ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize11 %d", *pValueSize);
return -EINVAL;
}
*pValueSize = sizeof(t_reverb_settings);
break;
default:
ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid param %d", param);
return -EINVAL;
}
pProperties = (t_reverb_settings*)pValue;
switch (param) {
case REVERB_PARAM_PROPERTIES:
pProperties->roomLevel = ReverbGetRoomLevel(pContext);
pProperties->roomHFLevel = ReverbGetRoomHfLevel(pContext);
pProperties->decayTime = ReverbGetDecayTime(pContext);
pProperties->decayHFRatio = ReverbGetDecayHfRatio(pContext);
pProperties->reflectionsLevel = 0;
pProperties->reflectionsDelay = 0;
pProperties->reverbDelay = 0;
pProperties->reverbLevel = ReverbGetReverbLevel(pContext);
pProperties->diffusion = ReverbGetDiffusion(pContext);
pProperties->density = ReverbGetDensity(pContext);
ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is roomLevel %d",
pProperties->roomLevel);
ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is roomHFLevel %d",
pProperties->roomHFLevel);
ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is decayTime %d",
pProperties->decayTime);
ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is decayHFRatio %d",
pProperties->decayHFRatio);
ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is reflectionsLevel %d",
pProperties->reflectionsLevel);
ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is reflectionsDelay %d",
pProperties->reflectionsDelay);
ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is reverbDelay %d",
pProperties->reverbDelay);
ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is reverbLevel %d",
pProperties->reverbLevel);
ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is diffusion %d",
pProperties->diffusion);
ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is density %d",
pProperties->density);
break;
case REVERB_PARAM_ROOM_LEVEL:
*(int16_t*)pValue = ReverbGetRoomLevel(pContext);
// ALOGV("\tReverb_getParameter() REVERB_PARAM_ROOM_LEVEL Value is %d",
// *(int16_t *)pValue);
break;
case REVERB_PARAM_ROOM_HF_LEVEL:
*(int16_t*)pValue = ReverbGetRoomHfLevel(pContext);
// ALOGV("\tReverb_getParameter() REVERB_PARAM_ROOM_HF_LEVEL Value is %d",
// *(int16_t *)pValue);
break;
case REVERB_PARAM_DECAY_TIME:
*(uint32_t*)pValue = ReverbGetDecayTime(pContext);
// ALOGV("\tReverb_getParameter() REVERB_PARAM_DECAY_TIME Value is %d",
// *(int32_t *)pValue);
break;
case REVERB_PARAM_DECAY_HF_RATIO:
*(int16_t*)pValue = ReverbGetDecayHfRatio(pContext);
// ALOGV("\tReverb_getParameter() REVERB_PARAM_DECAY_HF_RATION Value is %d",
// *(int16_t *)pValue);
break;
case REVERB_PARAM_REVERB_LEVEL:
*(int16_t*)pValue = ReverbGetReverbLevel(pContext);
// ALOGV("\tReverb_getParameter() REVERB_PARAM_REVERB_LEVEL Value is %d",
// *(int16_t *)pValue);
break;
case REVERB_PARAM_DIFFUSION:
*(int16_t*)pValue = ReverbGetDiffusion(pContext);
// ALOGV("\tReverb_getParameter() REVERB_PARAM_DECAY_DIFFUSION Value is %d",
// *(int16_t *)pValue);
break;
case REVERB_PARAM_DENSITY:
*(int16_t*)pValue = ReverbGetDensity(pContext);
// ALOGV("\tReverb_getParameter() REVERB_PARAM_DENSITY Value is %d",
// *(uint32_t *)pValue);
break;
case REVERB_PARAM_REFLECTIONS_LEVEL:
*(uint16_t*)pValue = 0;
break;
case REVERB_PARAM_REFLECTIONS_DELAY:
case REVERB_PARAM_REVERB_DELAY:
*(uint32_t*)pValue = 0;
break;
default:
ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid param %d", param);
status = -EINVAL;
break;
}
// ALOGV("\tReverb_getParameter end");
return status;
} /* end Reverb_getParameter */
//----------------------------------------------------------------------------
// Reverb_setParameter()
//----------------------------------------------------------------------------
// Purpose:
// Set a Reverb parameter
//
// Inputs:
// pContext - handle to instance data
// pParam - pointer to parameter
// pValue - pointer to value
// vsize - value size
//
// Outputs:
//
//----------------------------------------------------------------------------
int Reverb_setParameter(ReverbContext* pContext, void* pParam, void* pValue, int vsize) {
int status = 0;
int16_t level;
int16_t ratio;
uint32_t time;
t_reverb_settings* pProperties;
int32_t* pParamTemp = (int32_t*)pParam;
int32_t param = *pParamTemp++;
// ALOGV("\tReverb_setParameter start");
if (pContext->preset) {
if (param != REVERB_PARAM_PRESET) {
return -EINVAL;
}
if (vsize < (int)sizeof(uint16_t)) {
android_errorWriteLog(0x534e4554, "67647856");
return -EINVAL;
}
uint16_t preset = *(uint16_t*)pValue;
ALOGV("set REVERB_PARAM_PRESET, preset %d", preset);
if (preset > REVERB_PRESET_LAST) {
return -EINVAL;
}
pContext->nextPreset = preset;
return 0;
}
if (vsize < Reverb_paramValueSize(param)) {
android_errorWriteLog(0x534e4554, "63526567");
return -EINVAL;
}
switch (param) {
case REVERB_PARAM_PROPERTIES:
ALOGV("\tReverb_setParameter() REVERB_PARAM_PROPERTIES");
pProperties = (t_reverb_settings*)pValue;
ReverbSetRoomLevel(pContext, pProperties->roomLevel);
ReverbSetRoomHfLevel(pContext, pProperties->roomHFLevel);
ReverbSetDecayTime(pContext, pProperties->decayTime);
ReverbSetDecayHfRatio(pContext, pProperties->decayHFRatio);
ReverbSetReverbLevel(pContext, pProperties->reverbLevel);
ReverbSetDiffusion(pContext, pProperties->diffusion);
ReverbSetDensity(pContext, pProperties->density);
break;
case REVERB_PARAM_ROOM_LEVEL:
level = *(int16_t*)pValue;
// ALOGV("\tReverb_setParameter() REVERB_PARAM_ROOM_LEVEL value is %d", level);
// ALOGV("\tReverb_setParameter() Calling ReverbSetRoomLevel");
ReverbSetRoomLevel(pContext, level);
// ALOGV("\tReverb_setParameter() Called ReverbSetRoomLevel");
break;
case REVERB_PARAM_ROOM_HF_LEVEL:
level = *(int16_t*)pValue;
// ALOGV("\tReverb_setParameter() REVERB_PARAM_ROOM_HF_LEVEL value is %d", level);
// ALOGV("\tReverb_setParameter() Calling ReverbSetRoomHfLevel");
ReverbSetRoomHfLevel(pContext, level);
// ALOGV("\tReverb_setParameter() Called ReverbSetRoomHfLevel");
break;
case REVERB_PARAM_DECAY_TIME:
time = *(uint32_t*)pValue;
// ALOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_TIME value is %d", time);
// ALOGV("\tReverb_setParameter() Calling ReverbSetDecayTime");
ReverbSetDecayTime(pContext, time);
// ALOGV("\tReverb_setParameter() Called ReverbSetDecayTime");
break;
case REVERB_PARAM_DECAY_HF_RATIO:
ratio = *(int16_t*)pValue;
// ALOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_HF_RATIO value is %d", ratio);
// ALOGV("\tReverb_setParameter() Calling ReverbSetDecayHfRatio");
ReverbSetDecayHfRatio(pContext, ratio);
// ALOGV("\tReverb_setParameter() Called ReverbSetDecayHfRatio");
break;
case REVERB_PARAM_REVERB_LEVEL:
level = *(int16_t*)pValue;
// ALOGV("\tReverb_setParameter() REVERB_PARAM_REVERB_LEVEL value is %d", level);
// ALOGV("\tReverb_setParameter() Calling ReverbSetReverbLevel");
ReverbSetReverbLevel(pContext, level);
// ALOGV("\tReverb_setParameter() Called ReverbSetReverbLevel");
break;
case REVERB_PARAM_DIFFUSION:
ratio = *(int16_t*)pValue;
// ALOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_DIFFUSION value is %d", ratio);
// ALOGV("\tReverb_setParameter() Calling ReverbSetDiffusion");
ReverbSetDiffusion(pContext, ratio);
// ALOGV("\tReverb_setParameter() Called ReverbSetDiffusion");
break;
case REVERB_PARAM_DENSITY:
ratio = *(int16_t*)pValue;
// ALOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_DENSITY value is %d", ratio);
// ALOGV("\tReverb_setParameter() Calling ReverbSetDensity");
ReverbSetDensity(pContext, ratio);
// ALOGV("\tReverb_setParameter() Called ReverbSetDensity");
break;
break;
case REVERB_PARAM_REFLECTIONS_LEVEL:
case REVERB_PARAM_REFLECTIONS_DELAY:
case REVERB_PARAM_REVERB_DELAY:
break;
default:
ALOGV("\tLVM_ERROR : Reverb_setParameter() invalid param %d", param);
break;
}
// ALOGV("\tReverb_setParameter end");
return status;
} /* end Reverb_setParameter */
/**
* returns the size in bytes of the value of each environmental reverb parameter
*/
int Reverb_paramValueSize(int32_t param) {
switch (param) {
case REVERB_PARAM_ROOM_LEVEL:
case REVERB_PARAM_ROOM_HF_LEVEL:
case REVERB_PARAM_REFLECTIONS_LEVEL:
case REVERB_PARAM_REVERB_LEVEL:
return sizeof(int16_t); // millibel
case REVERB_PARAM_DECAY_TIME:
case REVERB_PARAM_REFLECTIONS_DELAY:
case REVERB_PARAM_REVERB_DELAY:
return sizeof(uint32_t); // milliseconds
case REVERB_PARAM_DECAY_HF_RATIO:
case REVERB_PARAM_DIFFUSION:
case REVERB_PARAM_DENSITY:
return sizeof(int16_t); // permille
case REVERB_PARAM_PROPERTIES:
return sizeof(s_reverb_settings); // struct of all reverb properties
}
return sizeof(int32_t);
}
} // namespace
} // namespace android
extern "C" {
/* Effect Control Interface Implementation: Process */
int Reverb_process(effect_handle_t self, audio_buffer_t* inBuffer, audio_buffer_t* outBuffer) {
android::ReverbContext* pContext = (android::ReverbContext*)self;
int status = 0;
if (pContext == NULL) {
ALOGV("\tLVM_ERROR : Reverb_process() ERROR pContext == NULL");
return -EINVAL;
}
if (inBuffer == NULL || inBuffer->raw == NULL || outBuffer == NULL || outBuffer->raw == NULL ||
inBuffer->frameCount != outBuffer->frameCount) {
ALOGV("\tLVM_ERROR : Reverb_process() ERROR NULL INPUT POINTER OR FRAME COUNT IS WRONG");
return -EINVAL;
}
// ALOGV("\tReverb_process() Calling process with %d frames", outBuffer->frameCount);
/* Process all the available frames, block processing is handled internalLY by the LVM bundle */
status = process(inBuffer->f32, outBuffer->f32, outBuffer->frameCount, pContext);
if (pContext->bEnabled == LVM_FALSE) {
if (pContext->SamplesToExitCount > 0) {
// signed - unsigned will trigger integer overflow if result becomes negative.
pContext->SamplesToExitCount -= (ssize_t)outBuffer->frameCount;
} else {
status = -ENODATA;
}
}
return status;
} /* end Reverb_process */
/* Effect Control Interface Implementation: Command */
int Reverb_command(effect_handle_t self, uint32_t cmdCode, uint32_t cmdSize, void* pCmdData,
uint32_t* replySize, void* pReplyData) {
android::ReverbContext* pContext = (android::ReverbContext*)self;
LVREV_ControlParams_st ActiveParams; /* Current control Parameters */
LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */
if (pContext == NULL) {
ALOGV("\tLVM_ERROR : Reverb_command ERROR pContext == NULL");
return -EINVAL;
}
// ALOGV("\tReverb_command INPUTS are: command %d cmdSize %d",cmdCode, cmdSize);
switch (cmdCode) {
case EFFECT_CMD_INIT:
// ALOGV("\tReverb_command cmdCode Case: "
// "EFFECT_CMD_INIT start");
if (pReplyData == NULL || replySize == NULL || *replySize != sizeof(int)) {
ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
"EFFECT_CMD_INIT: ERROR");
return -EINVAL;
}
*(int*)pReplyData = 0;
break;
case EFFECT_CMD_SET_CONFIG:
// ALOGV("\tReverb_command cmdCode Case: "
// "EFFECT_CMD_SET_CONFIG start");
if (pCmdData == NULL || cmdSize != sizeof(effect_config_t) || pReplyData == NULL ||
replySize == NULL || *replySize != sizeof(int)) {
ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
"EFFECT_CMD_SET_CONFIG: ERROR");
return -EINVAL;
}
*(int*)pReplyData = android::Reverb_setConfig(pContext, (effect_config_t*)pCmdData);
break;
case EFFECT_CMD_GET_CONFIG:
if (pReplyData == NULL || replySize == NULL || *replySize != sizeof(effect_config_t)) {
ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
"EFFECT_CMD_GET_CONFIG: ERROR");
return -EINVAL;
}
android::Reverb_getConfig(pContext, (effect_config_t*)pReplyData);
break;
case EFFECT_CMD_RESET:
// ALOGV("\tReverb_command cmdCode Case: "
// "EFFECT_CMD_RESET start");
Reverb_setConfig(pContext, &pContext->config);
break;
case EFFECT_CMD_GET_PARAM: {
// ALOGV("\tReverb_command cmdCode Case: "
// "EFFECT_CMD_GET_PARAM start");
effect_param_t* p = (effect_param_t*)pCmdData;
if (pCmdData == nullptr) {
ALOGW("\tLVM_ERROR : pCmdData is NULL");
return -EINVAL;
}
if (SIZE_MAX - sizeof(effect_param_t) < (size_t)p->psize) {
android_errorWriteLog(0x534e4554, "26347509");
return -EINVAL;
}
if (cmdSize < sizeof(effect_param_t) || cmdSize < (sizeof(effect_param_t) + p->psize) ||
pReplyData == NULL || replySize == NULL ||
*replySize < (sizeof(effect_param_t) + p->psize)) {
ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
"EFFECT_CMD_GET_PARAM: ERROR");
return -EINVAL;
}
memcpy(pReplyData, pCmdData, sizeof(effect_param_t) + p->psize);
p = (effect_param_t*)pReplyData;
int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
p->status = android::Reverb_getParameter(pContext, (void*)p->data, &p->vsize,
p->data + voffset);
*replySize = sizeof(effect_param_t) + voffset + p->vsize;
// ALOGV("\tReverb_command EFFECT_CMD_GET_PARAM "
// "*pCmdData %d, *replySize %d, *pReplyData %d ",
// *(int32_t *)((char *)pCmdData + sizeof(effect_param_t)),
// *replySize,
// *(int16_t *)((char *)pReplyData + sizeof(effect_param_t) + voffset));
} break;
case EFFECT_CMD_SET_PARAM: {
// ALOGV("\tReverb_command cmdCode Case: "
// "EFFECT_CMD_SET_PARAM start");
// ALOGV("\tReverb_command EFFECT_CMD_SET_PARAM param %d, *replySize %d, value %d ",
// *(int32_t *)((char *)pCmdData + sizeof(effect_param_t)),
// *replySize,
// *(int16_t *)((char *)pCmdData + sizeof(effect_param_t) + sizeof(int32_t)));
if (pCmdData == NULL || (cmdSize < (sizeof(effect_param_t) + sizeof(int32_t))) ||
pReplyData == NULL || replySize == NULL || *replySize != sizeof(int32_t)) {
ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
"EFFECT_CMD_SET_PARAM: ERROR");
return -EINVAL;
}
effect_param_t* p = (effect_param_t*)pCmdData;
if (p->psize != sizeof(int32_t)) {
ALOGV("\t4LVM_ERROR : Reverb_command cmdCode Case: "
"EFFECT_CMD_SET_PARAM: ERROR, psize is not sizeof(int32_t)");
return -EINVAL;
}
// ALOGV("\tn5Reverb_command cmdSize is %d\n"
// "\tsizeof(effect_param_t) is %d\n"
// "\tp->psize is %d\n"
// "\tp->vsize is %d"
// "\n",
// cmdSize, sizeof(effect_param_t), p->psize, p->vsize );
*(int*)pReplyData = android::Reverb_setParameter(pContext, (void*)p->data,
p->data + p->psize, p->vsize);
} break;
case EFFECT_CMD_ENABLE:
// ALOGV("\tReverb_command cmdCode Case: "
// "EFFECT_CMD_ENABLE start");
if (pReplyData == NULL || *replySize != sizeof(int)) {
ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
"EFFECT_CMD_ENABLE: ERROR");
return -EINVAL;
}
if (pContext->bEnabled == LVM_TRUE) {
ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
"EFFECT_CMD_ENABLE: ERROR-Effect is already enabled");
return -EINVAL;
}
*(int*)pReplyData = 0;
pContext->bEnabled = LVM_TRUE;
/* Get the current settings */
LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "EFFECT_CMD_ENABLE")
pContext->SamplesToExitCount =
(ActiveParams.T60 * pContext->config.inputCfg.samplingRate) / 1000;
// force no volume ramp for first buffer processed after enabling the effect
pContext->volumeMode = android::REVERB_VOLUME_FLAT;
// ALOGV("\tEFFECT_CMD_ENABLE SamplesToExitCount = %d", pContext->SamplesToExitCount);
break;
case EFFECT_CMD_DISABLE:
// ALOGV("\tReverb_command cmdCode Case: "
// "EFFECT_CMD_DISABLE start");
if (pReplyData == NULL || *replySize != sizeof(int)) {
ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
"EFFECT_CMD_DISABLE: ERROR");
return -EINVAL;
}
if (pContext->bEnabled == LVM_FALSE) {
ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
"EFFECT_CMD_DISABLE: ERROR-Effect is not yet enabled");
return -EINVAL;
}
*(int*)pReplyData = 0;
pContext->bEnabled = LVM_FALSE;
break;
case EFFECT_CMD_SET_VOLUME:
if (pCmdData == NULL || cmdSize != 2 * sizeof(uint32_t)) {
ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
"EFFECT_CMD_SET_VOLUME: ERROR");
return -EINVAL;
}
if (pReplyData != NULL) { // we have volume control
pContext->leftVolume = (LVM_INT16)((*(uint32_t*)pCmdData + (1 << 11)) >> 12);
pContext->rightVolume = (LVM_INT16)((*((uint32_t*)pCmdData + 1) + (1 << 11)) >> 12);
*(uint32_t*)pReplyData = (1 << 24);
*((uint32_t*)pReplyData + 1) = (1 << 24);
if (pContext->volumeMode == android::REVERB_VOLUME_OFF) {
// force no volume ramp for first buffer processed after getting volume control
pContext->volumeMode = android::REVERB_VOLUME_FLAT;
}
} else { // we don't have volume control
pContext->leftVolume = REVERB_UNIT_VOLUME;
pContext->rightVolume = REVERB_UNIT_VOLUME;
pContext->volumeMode = android::REVERB_VOLUME_OFF;
}
ALOGV("EFFECT_CMD_SET_VOLUME left %d, right %d mode %d", pContext->leftVolume,
pContext->rightVolume, pContext->volumeMode);
break;
case EFFECT_CMD_SET_DEVICE:
case EFFECT_CMD_SET_AUDIO_MODE:
// ALOGV("\tReverb_command cmdCode Case: "
// "EFFECT_CMD_SET_DEVICE/EFFECT_CMD_SET_VOLUME/EFFECT_CMD_SET_AUDIO_MODE
// start");
break;
default:
ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
"DEFAULT start %d ERROR",
cmdCode);
return -EINVAL;
}
// ALOGV("\tReverb_command end\n\n");
return 0;
} /* end Reverb_command */
/* Effect Control Interface Implementation: get_descriptor */
int Reverb_getDescriptor(effect_handle_t self, effect_descriptor_t* pDescriptor) {
android::ReverbContext* pContext = (android::ReverbContext*)self;
const effect_descriptor_t* desc;
if (pContext == NULL || pDescriptor == NULL) {
ALOGV("Reverb_getDescriptor() invalid param");
return -EINVAL;
}
if (pContext->auxiliary) {
if (pContext->preset) {
desc = &android::gAuxPresetReverbDescriptor;
} else {
desc = &android::gAuxEnvReverbDescriptor;
}
} else {
if (pContext->preset) {
desc = &android::gInsertPresetReverbDescriptor;
} else {
desc = &android::gInsertEnvReverbDescriptor;
}
}
*pDescriptor = *desc;
return 0;
} /* end Reverb_getDescriptor */
// effect_handle_t interface implementation for Reverb effect
const struct effect_interface_s gReverbInterface = {
Reverb_process,
Reverb_command,
Reverb_getDescriptor,
NULL,
}; /* end gReverbInterface */
// This is the only symbol that needs to be exported
__attribute__((visibility("default"))) audio_effect_library_t AUDIO_EFFECT_LIBRARY_INFO_SYM = {
.tag = AUDIO_EFFECT_LIBRARY_TAG,
.version = EFFECT_LIBRARY_API_VERSION,
.name = "Reverb Library",
.implementor = "NXP Software Ltd.",
.create_effect = android::EffectCreate,
.release_effect = android::EffectRelease,
.get_descriptor = android::EffectGetDescriptor,
};
}