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/*
* Copyright (C) 2011 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.
*/
#include <assert.h>
#include <inttypes.h>
#include <iterator>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <vector>
#include <audio_utils/channels.h>
#include <audio_utils/primitives.h>
#include <log/log.h>
#include <system/audio.h>
#include "EffectBundle.h"
#include "LVM_Private.h"
#ifdef VERY_VERY_VERBOSE_LOGGING
#define ALOGVV ALOGV
#else
#define ALOGVV(a...) \
do { \
} while (false)
#endif
#define CHECK_ARG(cond) \
{ \
if (!(cond)) { \
ALOGE("\tLVM_ERROR : Invalid argument: " #cond); \
return -EINVAL; \
} \
}
#define LVM_ERROR_CHECK(LvmStatus, callingFunc, calledFunc) \
{ \
if ((LvmStatus) == LVM_NULLADDRESS) { \
ALOGE("\tLVM_ERROR : Parameter error - " \
"null pointer returned by %s in %s\n\n\n\n", \
callingFunc, calledFunc); \
} \
if ((LvmStatus) == LVM_ALIGNMENTERROR) { \
ALOGE("\tLVM_ERROR : Parameter error - " \
"bad alignment returned by %s in %s\n\n\n\n", \
callingFunc, calledFunc); \
} \
if ((LvmStatus) == LVM_INVALIDNUMSAMPLES) { \
ALOGE("\tLVM_ERROR : Parameter error - " \
"bad number of samples returned by %s in %s\n\n\n\n", \
callingFunc, calledFunc); \
} \
if ((LvmStatus) == LVM_OUTOFRANGE) { \
ALOGE("\tLVM_ERROR : Parameter error - " \
"out of range returned by %s in %s\n", \
callingFunc, calledFunc); \
} \
}
struct lvmConfigParams_t {
int samplingFreq = 44100;
int nrChannels = 2;
int chMask = AUDIO_CHANNEL_OUT_STEREO;
int vcBal = 0;
int fChannels = 2;
bool monoMode = false;
int bassEffectLevel = 0;
int eqPresetLevel = 0;
int frameLength = 256;
int trebleEffectLevel = 0;
LVM_BE_Mode_en bassEnable = LVM_BE_OFF;
LVM_TE_Mode_en trebleEnable = LVM_TE_OFF;
LVM_EQNB_Mode_en eqEnable = LVM_EQNB_OFF;
LVM_Mode_en csEnable = LVM_MODE_OFF;
};
constexpr audio_channel_mask_t lvmConfigChMask[] = {
AUDIO_CHANNEL_OUT_MONO,
AUDIO_CHANNEL_OUT_STEREO,
AUDIO_CHANNEL_OUT_2POINT1,
AUDIO_CHANNEL_OUT_2POINT0POINT2,
AUDIO_CHANNEL_OUT_QUAD,
AUDIO_CHANNEL_OUT_QUAD_BACK,
AUDIO_CHANNEL_OUT_QUAD_SIDE,
AUDIO_CHANNEL_OUT_SURROUND,
AUDIO_CHANNEL_INDEX_MASK_4,
AUDIO_CHANNEL_OUT_2POINT1POINT2,
AUDIO_CHANNEL_OUT_3POINT0POINT2,
AUDIO_CHANNEL_OUT_PENTA,
AUDIO_CHANNEL_INDEX_MASK_5,
AUDIO_CHANNEL_OUT_3POINT1POINT2,
AUDIO_CHANNEL_OUT_5POINT1,
AUDIO_CHANNEL_OUT_5POINT1_BACK,
AUDIO_CHANNEL_OUT_5POINT1_SIDE,
AUDIO_CHANNEL_INDEX_MASK_6,
AUDIO_CHANNEL_OUT_6POINT1,
AUDIO_CHANNEL_INDEX_MASK_7,
AUDIO_CHANNEL_OUT_5POINT1POINT2,
AUDIO_CHANNEL_OUT_7POINT1,
AUDIO_CHANNEL_INDEX_MASK_8,
AUDIO_CHANNEL_INDEX_MASK_9,
AUDIO_CHANNEL_INDEX_MASK_10,
AUDIO_CHANNEL_INDEX_MASK_11,
AUDIO_CHANNEL_INDEX_MASK_12,
AUDIO_CHANNEL_INDEX_MASK_13,
AUDIO_CHANNEL_INDEX_MASK_14,
AUDIO_CHANNEL_INDEX_MASK_15,
AUDIO_CHANNEL_INDEX_MASK_16,
AUDIO_CHANNEL_INDEX_MASK_17,
AUDIO_CHANNEL_INDEX_MASK_18,
AUDIO_CHANNEL_INDEX_MASK_19,
AUDIO_CHANNEL_INDEX_MASK_20,
AUDIO_CHANNEL_INDEX_MASK_21,
AUDIO_CHANNEL_INDEX_MASK_22,
AUDIO_CHANNEL_INDEX_MASK_23,
AUDIO_CHANNEL_INDEX_MASK_24,
};
void printUsage() {
printf("\nUsage: ");
printf("\n <executable> -i:<input_file> -o:<out_file> [options]\n");
printf("\nwhere, \n <inputfile> is the input file name");
printf("\n on which LVM effects are applied");
printf("\n <outputfile> processed output file");
printf("\n and options are mentioned below");
printf("\n");
printf("\n -help (or) -h");
printf("\n Prints this usage information");
printf("\n");
printf("\n -chMask:<channel_mask>\n");
printf("\n 0 - AUDIO_CHANNEL_OUT_MONO");
printf("\n 1 - AUDIO_CHANNEL_OUT_STEREO");
printf("\n 2 - AUDIO_CHANNEL_OUT_2POINT1");
printf("\n 3 - AUDIO_CHANNEL_OUT_2POINT0POINT2");
printf("\n 4 - AUDIO_CHANNEL_OUT_QUAD");
printf("\n 5 - AUDIO_CHANNEL_OUT_QUAD_BACK");
printf("\n 6 - AUDIO_CHANNEL_OUT_QUAD_SIDE");
printf("\n 7 - AUDIO_CHANNEL_OUT_SURROUND");
printf("\n 8 - canonical channel index mask for 4 ch: (1 << 4) - 1");
printf("\n 9 - AUDIO_CHANNEL_OUT_2POINT1POINT2");
printf("\n 10 - AUDIO_CHANNEL_OUT_3POINT0POINT2");
printf("\n 11 - AUDIO_CHANNEL_OUT_PENTA");
printf("\n 12 - canonical channel index mask for 5 ch: (1 << 5) - 1");
printf("\n 13 - AUDIO_CHANNEL_OUT_3POINT1POINT2");
printf("\n 14 - AUDIO_CHANNEL_OUT_5POINT1");
printf("\n 15 - AUDIO_CHANNEL_OUT_5POINT1_BACK");
printf("\n 16 - AUDIO_CHANNEL_OUT_5POINT1_SIDE");
printf("\n 17 - canonical channel index mask for 6 ch: (1 << 6) - 1");
printf("\n 18 - AUDIO_CHANNEL_OUT_6POINT1");
printf("\n 19 - canonical channel index mask for 7 ch: (1 << 7) - 1");
printf("\n 20 - AUDIO_CHANNEL_OUT_5POINT1POINT2");
printf("\n 21 - AUDIO_CHANNEL_OUT_7POINT1");
printf("\n 22 - canonical channel index mask for 8 ch: (1 << 8) - 1");
printf("\n default 0");
printf("\n -vcBal:<Left Right Balance control in dB [-96 to 96 dB]>");
printf("\n -ve values reduce Right channel while +ve value reduces Left channel");
printf("\n default 0");
printf("\n -fch:<file_channels> (1 through 8)\n\n");
printf("\n -M");
printf("\n Mono mode (force all input audio channels to be identical)");
printf("\n -basslvl:<effect_level>");
printf("\n A value that ranges between %d - %d default 0", LVM_BE_MIN_EFFECTLEVEL,
LVM_BE_MAX_EFFECTLEVEL);
printf("\n");
printf("\n -eqPreset:<preset Value>");
const size_t numPresetLvls = std::size(gEqualizerPresets);
for (size_t i = 0; i < numPresetLvls; ++i) {
printf("\n %zu - %s", i, gEqualizerPresets[i].name);
}
printf("\n default - 0");
printf("\n -bE ");
printf("\n Enable Dynamic Bass Enhancement");
printf("\n");
printf("\n -tE ");
printf("\n Enable Treble Boost");
printf("\n");
printf("\n -csE ");
printf("\n Enable Concert Surround");
printf("\n");
printf("\n -eqE ");
printf("\n Enable Equalizer");
}
//----------------------------------------------------------------------------
// LvmBundle_init()
//----------------------------------------------------------------------------
// Purpose: Initialize engine with default configuration, creates instance
// with all effects disabled.
//
// Inputs:
// pContext: effect engine context
//
// Outputs:
//
//----------------------------------------------------------------------------
int LvmBundle_init(struct EffectContext* pContext, LVM_ControlParams_t* params) {
ALOGV("\tLvmBundle_init start");
pContext->config.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ;
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;
if (pContext->pBundledContext->hInstance != NULL) {
ALOGV("\tLvmBundle_init pContext->pBassBoost != NULL "
"-> Calling pContext->pBassBoost->free()");
LVM_DelInstanceHandle(&pContext->pBundledContext->hInstance);
ALOGV("\tLvmBundle_init pContext->pBassBoost != NULL "
"-> Called pContext->pBassBoost->free()");
}
LVM_ReturnStatus_en LvmStatus = LVM_SUCCESS; /* Function call status */
LVM_InstParams_t InstParams; /* Instance parameters */
LVM_EQNB_BandDef_t BandDefs[MAX_NUM_BANDS]; /* Equaliser band definitions */
LVM_HeadroomParams_t HeadroomParams; /* Headroom parameters */
LVM_HeadroomBandDef_t HeadroomBandDef[LVM_HEADROOM_MAX_NBANDS];
/* Set the capabilities */
InstParams.BufferMode = LVM_UNMANAGED_BUFFERS;
InstParams.MaxBlockSize = MAX_CALL_SIZE;
InstParams.EQNB_NumBands = MAX_NUM_BANDS;
InstParams.PSA_Included = LVM_PSA_ON;
LvmStatus = LVM_GetInstanceHandle(&pContext->pBundledContext->hInstance, &InstParams);
LVM_ERROR_CHECK(LvmStatus, "LVM_GetInstanceHandle", "LvmBundle_init");
if (LvmStatus != LVM_SUCCESS) return -EINVAL;
ALOGV("\tLvmBundle_init CreateInstance Successfully called "
"LVM_GetInstanceHandle\n");
/* Set the initial process parameters */
/* General parameters */
params->OperatingMode = LVM_MODE_ON;
params->SampleRate = LVM_FS_44100;
params->SourceFormat = LVM_STEREO;
params->ChMask = AUDIO_CHANNEL_OUT_STEREO;
params->SpeakerType = LVM_HEADPHONES;
pContext->pBundledContext->SampleRate = LVM_FS_44100;
/* Concert Sound parameters */
params->VirtualizerOperatingMode = LVM_MODE_OFF;
params->VirtualizerType = LVM_CONCERTSOUND;
params->VirtualizerReverbLevel = 100;
params->CS_EffectLevel = LVM_CS_EFFECT_NONE;
/* N-Band Equaliser parameters */
params->EQNB_OperatingMode = LVM_EQNB_ON;
params->EQNB_NBands = FIVEBAND_NUMBANDS;
params->pEQNB_BandDefinition = &BandDefs[0];
for (int i = 0; i < FIVEBAND_NUMBANDS; i++) {
BandDefs[i].Frequency = EQNB_5BandPresetsFrequencies[i];
BandDefs[i].QFactor = EQNB_5BandPresetsQFactors[i];
BandDefs[i].Gain = EQNB_5BandSoftPresets[i];
}
/* Volume Control parameters */
params->VC_EffectLevel = 0;
params->VC_Balance = 0;
/* Treble Enhancement parameters */
params->TE_OperatingMode = LVM_TE_OFF;
params->TE_EffectLevel = 0;
/* PSA Control parameters */
params->PSA_Enable = LVM_PSA_OFF;
params->PSA_PeakDecayRate = (LVM_PSA_DecaySpeed_en)0;
/* Bass Enhancement parameters */
params->BE_OperatingMode = LVM_BE_ON;
params->BE_EffectLevel = 0;
params->BE_CentreFreq = LVM_BE_CENTRE_90Hz;
params->BE_HPF = LVM_BE_HPF_ON;
/* PSA Control parameters */
params->PSA_Enable = LVM_PSA_OFF;
params->PSA_PeakDecayRate = LVM_PSA_SPEED_MEDIUM;
/* Activate the initial settings */
LvmStatus = LVM_SetControlParameters(pContext->pBundledContext->hInstance, params);
LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "LvmBundle_init");
if (LvmStatus != LVM_SUCCESS) return -EINVAL;
ALOGV("\tLvmBundle_init CreateInstance Successfully called "
"LVM_SetControlParameters\n");
/* Set the headroom parameters */
HeadroomBandDef[0].Limit_Low = 20;
HeadroomBandDef[0].Limit_High = 4999;
HeadroomBandDef[0].Headroom_Offset = 0;
HeadroomBandDef[1].Limit_Low = 5000;
HeadroomBandDef[1].Limit_High = 24000;
HeadroomBandDef[1].Headroom_Offset = 0;
HeadroomParams.pHeadroomDefinition = &HeadroomBandDef[0];
HeadroomParams.Headroom_OperatingMode = LVM_HEADROOM_ON;
HeadroomParams.NHeadroomBands = 2;
LvmStatus = LVM_SetHeadroomParams(pContext->pBundledContext->hInstance, &HeadroomParams);
LVM_ERROR_CHECK(LvmStatus, "LVM_SetHeadroomParams", "LvmBundle_init");
if (LvmStatus != LVM_SUCCESS) return -EINVAL;
ALOGV("\tLvmBundle_init CreateInstance Successfully called "
"LVM_SetHeadroomParams\n");
ALOGV("\tLvmBundle_init End");
return 0;
} /* end LvmBundle_init */
int lvmCreate(struct EffectContext* pContext, lvmConfigParams_t* plvmConfigParams,
LVM_ControlParams_t* params) {
int ret = 0;
pContext->pBundledContext = NULL;
pContext->pBundledContext = (BundledEffectContext*)malloc(sizeof(struct BundledEffectContext));
if (NULL == pContext->pBundledContext) {
return -EINVAL;
}
pContext->pBundledContext->SessionNo = 0;
pContext->pBundledContext->SessionId = 0;
pContext->pBundledContext->hInstance = NULL;
pContext->pBundledContext->bVolumeEnabled = LVM_FALSE;
pContext->pBundledContext->bEqualizerEnabled = LVM_FALSE;
pContext->pBundledContext->bBassEnabled = LVM_FALSE;
pContext->pBundledContext->bBassTempDisabled = LVM_FALSE;
pContext->pBundledContext->bVirtualizerEnabled = LVM_FALSE;
pContext->pBundledContext->bVirtualizerTempDisabled = LVM_FALSE;
pContext->pBundledContext->nOutputDevice = AUDIO_DEVICE_NONE;
pContext->pBundledContext->nVirtualizerForcedDevice = AUDIO_DEVICE_NONE;
pContext->pBundledContext->NumberEffectsEnabled = 0;
pContext->pBundledContext->NumberEffectsCalled = 0;
pContext->pBundledContext->firstVolume = LVM_TRUE;
pContext->pBundledContext->volume = 0;
/* 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->pBundledContext->BassStrengthSaved = 0;
pContext->pBundledContext->VirtStrengthSaved = 0;
pContext->pBundledContext->CurPreset = PRESET_CUSTOM;
pContext->pBundledContext->levelSaved = 0;
pContext->pBundledContext->bMuteEnabled = LVM_FALSE;
pContext->pBundledContext->bStereoPositionEnabled = LVM_FALSE;
pContext->pBundledContext->positionSaved = 0;
pContext->pBundledContext->workBuffer = NULL;
pContext->pBundledContext->frameCount = -1;
pContext->pBundledContext->SamplesToExitCountVirt = 0;
pContext->pBundledContext->SamplesToExitCountBb = 0;
pContext->pBundledContext->SamplesToExitCountEq = 0;
for (int i = 0; i < FIVEBAND_NUMBANDS; i++) {
pContext->pBundledContext->bandGaindB[i] = EQNB_5BandSoftPresets[i];
}
pContext->config.inputCfg.channels = plvmConfigParams->nrChannels;
ALOGV("\tEffectCreate - Calling LvmBundle_init");
ret = LvmBundle_init(pContext, params);
if (ret < 0) {
ALOGE("\tLVM_ERROR : lvmCreate() Bundle init failed");
return ret;
}
return 0;
}
int lvmControl(struct EffectContext* pContext, lvmConfigParams_t* plvmConfigParams,
LVM_ControlParams_t* params) {
LVM_ReturnStatus_en LvmStatus = LVM_SUCCESS; /* Function call status */
/* Set the initial process parameters */
/* General parameters */
params->OperatingMode = LVM_MODE_ON;
params->SpeakerType = LVM_HEADPHONES;
params->ChMask = plvmConfigParams->chMask;
params->NrChannels = plvmConfigParams->nrChannels;
if (params->NrChannels == 1) {
params->SourceFormat = LVM_MONO;
} else if (params->NrChannels == 2) {
params->SourceFormat = LVM_STEREO;
} else if (params->NrChannels > FCC_2 && params->NrChannels <= FCC_24) {
params->SourceFormat = LVM_MULTICHANNEL;
} else {
return -EINVAL;
}
params->SampleRate = lvmFsForSampleRate(plvmConfigParams->samplingFreq);
if (params->SampleRate == LVM_FS_INVALID) {
ALOGE("lvmControl invalid sampling rate %d", plvmConfigParams->samplingFreq);
return -EINVAL;
}
/* Concert Sound parameters */
params->VirtualizerOperatingMode = plvmConfigParams->csEnable;
params->VirtualizerType = LVM_CONCERTSOUND;
params->VirtualizerReverbLevel = 100;
params->CS_EffectLevel = LVM_CS_EFFECT_NONE;
/* N-Band Equaliser parameters */
const int eqPresetLevel = plvmConfigParams->eqPresetLevel;
LVM_EQNB_BandDef_t BandDefs[MAX_NUM_BANDS]; /* Equaliser band definitions */
for (int i = 0; i < FIVEBAND_NUMBANDS; i++) {
BandDefs[i].Frequency = EQNB_5BandPresetsFrequencies[i];
BandDefs[i].QFactor = EQNB_5BandPresetsQFactors[i];
BandDefs[i].Gain = EQNB_5BandSoftPresets[(FIVEBAND_NUMBANDS * eqPresetLevel) + i];
}
params->EQNB_OperatingMode = plvmConfigParams->eqEnable;
// Caution: raw pointer to stack data, stored in instance by LVM_SetControlParameters.
params->pEQNB_BandDefinition = &BandDefs[0];
/* Volume Control parameters */
params->VC_EffectLevel = 0;
params->VC_Balance = plvmConfigParams->vcBal;
/* Treble Enhancement parameters */
params->TE_OperatingMode = plvmConfigParams->trebleEnable;
params->TE_EffectLevel = plvmConfigParams->trebleEffectLevel;
/* PSA Control parameters */
params->PSA_Enable = LVM_PSA_ON;
/* Bass Enhancement parameters */
params->BE_OperatingMode = plvmConfigParams->bassEnable;
/* Activate the initial settings */
LvmStatus = LVM_SetControlParameters(pContext->pBundledContext->hInstance, params);
LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "LvmBundle_init");
if (LvmStatus != LVM_SUCCESS) return -EINVAL;
LvmStatus = LVM_ApplyNewSettings(pContext->pBundledContext->hInstance);
if (LvmStatus != LVM_SUCCESS) return -EINVAL;
return 0;
}
int lvmExecute(float* floatIn, float* floatOut, struct EffectContext* pContext,
lvmConfigParams_t* plvmConfigParams) {
const int frameLength = plvmConfigParams->frameLength;
return LVM_Process(pContext->pBundledContext->hInstance, /* Instance handle */
floatIn, /* Input buffer */
floatOut, /* Output buffer */
(LVM_UINT16)frameLength, /* Number of samples to read */
0); /* Audio Time */
}
int lvmMainProcess(EffectContext* pContext, LVM_ControlParams_t* pParams,
lvmConfigParams_t* plvmConfigParams, FILE* finp, FILE* fout) {
int errCode = lvmControl(pContext, plvmConfigParams, pParams);
if (errCode) {
ALOGE("Error: lvmControl returned with %d\n", errCode);
return errCode;
}
const int channelCount = plvmConfigParams->nrChannels;
const int frameLength = plvmConfigParams->frameLength;
const int frameSize = channelCount * sizeof(float); // processing size
const int ioChannelCount = plvmConfigParams->fChannels;
const int ioFrameSize = ioChannelCount * sizeof(short); // file load size
const int maxChannelCount = std::max(channelCount, ioChannelCount);
std::vector<short> in(frameLength * maxChannelCount);
std::vector<short> out(frameLength * maxChannelCount);
std::vector<float> floatIn(frameLength * channelCount);
std::vector<float> floatOut(frameLength * channelCount);
int frameCounter = 0;
while (fread(in.data(), ioFrameSize, frameLength, finp) == (size_t)frameLength) {
if (ioChannelCount != channelCount) {
adjust_channels(in.data(), ioChannelCount, in.data(), channelCount, sizeof(short),
frameLength * ioFrameSize);
}
memcpy_to_float_from_i16(floatIn.data(), in.data(), frameLength * channelCount);
// Mono mode will replicate the first channel to all other channels.
// This ensures all audio channels are identical. This is useful for testing
// Bass Boost, which extracts a mono signal for processing.
if (plvmConfigParams->monoMode && channelCount > 1) {
for (int i = 0; i < frameLength; ++i) {
auto* fp = &floatIn[i * channelCount];
std::fill(fp + 1, fp + channelCount, *fp); // replicate ch 0
}
}
#ifndef BYPASS_EXEC
errCode = lvmExecute(floatIn.data(), floatOut.data(), pContext, plvmConfigParams);
if (errCode) {
printf("\nError: lvmExecute returned with %d\n", errCode);
return errCode;
}
(void)frameSize; // eliminate warning
#else
memcpy(floatOut.data(), floatIn.data(), frameLength * frameSize);
#endif
memcpy_to_i16_from_float(out.data(), floatOut.data(), frameLength * channelCount);
if (ioChannelCount != channelCount) {
adjust_channels(out.data(), channelCount, out.data(), ioChannelCount, sizeof(short),
frameLength * channelCount * sizeof(short));
}
(void)fwrite(out.data(), ioFrameSize, frameLength, fout);
frameCounter += frameLength;
}
printf("frameCounter: [%d]\n", frameCounter);
return 0;
}
int main(int argc, const char* argv[]) {
if (argc == 1) {
printUsage();
return -1;
}
lvmConfigParams_t lvmConfigParams{}; // default initialize
const char* infile = nullptr;
const char* outfile = nullptr;
for (int i = 1; i < argc; i++) {
printf("%s ", argv[i]);
if (!strncmp(argv[i], "-i:", 3)) {
infile = argv[i] + 3;
} else if (!strncmp(argv[i], "-o:", 3)) {
outfile = argv[i] + 3;
} else if (!strncmp(argv[i], "-fs:", 4)) {
const int samplingFreq = atoi(argv[i] + 4);
if (samplingFreq != 8000 && samplingFreq != 11025 && samplingFreq != 12000 &&
samplingFreq != 16000 && samplingFreq != 22050 && samplingFreq != 24000 &&
samplingFreq != 32000 && samplingFreq != 44100 && samplingFreq != 48000 &&
samplingFreq != 88200 && samplingFreq != 96000 && samplingFreq != 176400 &&
samplingFreq != 192000) {
printf("Error: Unsupported Sampling Frequency : %d\n", samplingFreq);
return -1;
}
lvmConfigParams.samplingFreq = samplingFreq;
} else if (!strncmp(argv[i], "-chMask:", 8)) {
const int chMaskConfigIdx = atoi(argv[i] + 8);
if (chMaskConfigIdx < 0 || (size_t)chMaskConfigIdx >= std::size(lvmConfigChMask)) {
ALOGE("\nError: Unsupported Channel Mask : %d\n", chMaskConfigIdx);
return -1;
}
const audio_channel_mask_t chMask = lvmConfigChMask[chMaskConfigIdx];
lvmConfigParams.chMask = chMask;
lvmConfigParams.nrChannels = audio_channel_count_from_out_mask(chMask);
} else if (!strncmp(argv[i], "-vcBal:", 7)) {
const int vcBalance = atoi(argv[i] + 7);
if (vcBalance > 96 || vcBalance < -96) {
ALOGE("\nError: Unsupported volume balance value: %d\n", vcBalance);
}
lvmConfigParams.vcBal = vcBalance;
} else if (!strncmp(argv[i], "-fch:", 5)) {
const int fChannels = atoi(argv[i] + 5);
if (fChannels > 8 || fChannels < 1) {
printf("Error: Unsupported number of file channels : %d\n", fChannels);
return -1;
}
lvmConfigParams.fChannels = fChannels;
} else if (!strcmp(argv[i], "-M")) {
lvmConfigParams.monoMode = true;
} else if (!strncmp(argv[i], "-basslvl:", 9)) {
const int bassEffectLevel = atoi(argv[i] + 9);
if (bassEffectLevel > LVM_BE_MAX_EFFECTLEVEL ||
bassEffectLevel < LVM_BE_MIN_EFFECTLEVEL) {
printf("Error: Unsupported Bass Effect Level : %d\n", bassEffectLevel);
printUsage();
return -1;
}
lvmConfigParams.bassEffectLevel = bassEffectLevel;
} else if (!strncmp(argv[i], "-eqPreset:", 10)) {
const int eqPresetLevel = atoi(argv[i] + 10);
const int numPresetLvls = std::size(gEqualizerPresets);
if (eqPresetLevel >= numPresetLvls || eqPresetLevel < 0) {
printf("Error: Unsupported Equalizer Preset : %d\n", eqPresetLevel);
printUsage();
return -1;
}
lvmConfigParams.eqPresetLevel = eqPresetLevel;
} else if (!strncmp(argv[i], "-trebleLvl:", 11)) {
const int trebleEffectLevel = atoi(argv[i] + 11);
if (trebleEffectLevel > LVM_TE_MAX_EFFECTLEVEL ||
trebleEffectLevel < LVM_TE_MIN_EFFECTLEVEL) {
printf("Error: Unsupported Treble Effect Level : %d\n", trebleEffectLevel);
printUsage();
return -1;
}
lvmConfigParams.trebleEffectLevel = trebleEffectLevel;
} else if (!strcmp(argv[i], "-bE")) {
lvmConfigParams.bassEnable = LVM_BE_ON;
} else if (!strcmp(argv[i], "-eqE")) {
lvmConfigParams.eqEnable = LVM_EQNB_ON;
} else if (!strcmp(argv[i], "-tE")) {
lvmConfigParams.trebleEnable = LVM_TE_ON;
} else if (!strcmp(argv[i], "-csE")) {
lvmConfigParams.csEnable = LVM_MODE_ON;
} else if (!strcmp(argv[i], "-h")) {
printUsage();
return 0;
}
}
if (infile == nullptr || outfile == nullptr) {
printf("Error: missing input/output files\n");
printUsage();
return -1;
}
FILE* finp = fopen(infile, "rb");
if (finp == nullptr) {
printf("Cannot open input file %s", infile);
return -1;
}
FILE* fout = fopen(outfile, "wb");
if (fout == nullptr) {
printf("Cannot open output file %s", outfile);
fclose(finp);
return -1;
}
EffectContext context;
LVM_ControlParams_t params;
int errCode = lvmCreate(&context, &lvmConfigParams, &params);
if (errCode == 0) {
errCode = lvmMainProcess(&context, &params, &lvmConfigParams, finp, fout);
if (errCode != 0) {
printf("Error: lvmMainProcess returned with the error: %d", errCode);
}
} else {
printf("Error: lvmCreate returned with the error: %d", errCode);
}
fclose(finp);
fclose(fout);
/* Free the allocated buffers */
if (context.pBundledContext != nullptr) {
if (context.pBundledContext->hInstance != nullptr) {
LVM_DelInstanceHandle(&context.pBundledContext->hInstance);
}
free(context.pBundledContext);
}
if (errCode) {
return -1;
}
return 0;
}