ViPERFX_RE/src/ViperContext.cpp
2024-03-20 13:44:52 +01:00

723 lines
33 KiB
C++

#include <cerrno>
#include <cstring>
#include <cmath>
#include <chrono>
#include "ViperContext.h"
#include "log.h"
#include "viper/constants.h"
#define SET(type, ptr, value) (*(type *) (ptr) = (value))
ViperContext::ViperContext() :
config({}),
disableReason(DisableReason::UNKNOWN),
buffer(std::vector<float>()),
bufferFrameCount(0),
enabled(false) {
VIPER_LOGI("ViperContext created");
}
void ViperContext::copyBufferConfig(buffer_config_t *dest, buffer_config_t *src) {
if (src->mask & EFFECT_CONFIG_BUFFER) {
dest->buffer = src->buffer;
}
if (src->mask & EFFECT_CONFIG_SMP_RATE) {
dest->samplingRate = src->samplingRate;
}
if (src->mask & EFFECT_CONFIG_CHANNELS) {
dest->channels = src->channels;
}
if (src->mask & EFFECT_CONFIG_FORMAT) {
dest->format = src->format;
}
if (src->mask & EFFECT_CONFIG_ACC_MODE) {
dest->accessMode = src->accessMode;
}
if (src->mask & EFFECT_CONFIG_PROVIDER) {
dest->bufferProvider = src->bufferProvider;
}
dest->mask |= src->mask;
}
void ViperContext::handleSetConfig(effect_config_t *newConfig) {
VIPER_LOGI("Checking input and output configuration ...");
VIPER_LOGI("Input mask: 0x%04X", newConfig->inputCfg.mask);
VIPER_LOGI("Input buffer frame count: %zu", newConfig->inputCfg.buffer.frameCount);
VIPER_LOGI("Input sampling rate: %d", newConfig->inputCfg.samplingRate);
VIPER_LOGI("Input channels: %d", newConfig->inputCfg.channels);
VIPER_LOGI("Input format: %d", newConfig->inputCfg.format);
VIPER_LOGI("Input access mode: %d", newConfig->inputCfg.accessMode);
VIPER_LOGI("Output mask: 0x%04X", newConfig->outputCfg.mask);
VIPER_LOGI("Output buffer frame count: %zu", newConfig->outputCfg.buffer.frameCount);
VIPER_LOGI("Output sampling rate: %d", newConfig->outputCfg.samplingRate);
VIPER_LOGI("Output channels: %d", newConfig->outputCfg.channels);
VIPER_LOGI("Output format: %d", newConfig->outputCfg.format);
VIPER_LOGI("Output access mode: %d", newConfig->outputCfg.accessMode);
setDisableReason(DisableReason::UNKNOWN);
copyBufferConfig(&config.inputCfg, &newConfig->inputCfg);
copyBufferConfig(&config.outputCfg, &newConfig->outputCfg);
if (config.inputCfg.buffer.frameCount != config.outputCfg.buffer.frameCount) {
VIPER_LOGE("ViPER4Android disabled, reason [in.FC = %zu, out.FC = %zu]",
config.inputCfg.buffer.frameCount, config.outputCfg.buffer.frameCount);
setDisableReason(DisableReason::INVALID_FRAME_COUNT);
return;
}
if (config.inputCfg.samplingRate != config.outputCfg.samplingRate) {
VIPER_LOGE("ViPER4Android disabled, reason [in.SR = %d, out.SR = %d]",
config.inputCfg.samplingRate, config.outputCfg.samplingRate);
setDisableReason(DisableReason::INVALID_SAMPLING_RATE);
return;
}
// if (config.inputCfg.samplingRate > 48000) {
// VIPER_LOGE("ViPER4Android disabled, reason [SR out of range]");
// setDisableReason(DisableReason::INVALID_SAMPLING_RATE, "Sampling rate out of range: " + std::to_string(config.inputCfg.samplingRate));
// return;
// }
if (config.inputCfg.channels != config.outputCfg.channels) {
VIPER_LOGE("ViPER4Android disabled, reason [in.CH = %d, out.CH = %d]",
config.inputCfg.channels, config.outputCfg.channels);
setDisableReason(DisableReason::INVALID_CHANNEL_COUNT);
return;
}
if (config.inputCfg.channels != AUDIO_CHANNEL_OUT_STEREO) {
VIPER_LOGE("ViPER4Android disabled, reason [CH != 2]");
setDisableReason(DisableReason::INVALID_CHANNEL_COUNT);
return;
}
if (config.inputCfg.format != AUDIO_FORMAT_PCM_16_BIT &&
config.inputCfg.format != AUDIO_FORMAT_PCM_32_BIT &&
config.inputCfg.format != AUDIO_FORMAT_PCM_FLOAT) {
VIPER_LOGE("ViPER4Android disabled, reason [in.FMT = %d]", config.inputCfg.format);
VIPER_LOGE("We only accept AUDIO_FORMAT_PCM_16_BIT, AUDIO_FORMAT_PCM_32_BIT and AUDIO_FORMAT_PCM_FLOAT input format!");
setDisableReason(DisableReason::INVALID_FORMAT);
return;
}
if (config.outputCfg.format != AUDIO_FORMAT_PCM_16_BIT &&
config.outputCfg.format != AUDIO_FORMAT_PCM_32_BIT &&
config.outputCfg.format != AUDIO_FORMAT_PCM_FLOAT) {
VIPER_LOGE("ViPER4Android disabled, reason [out.FMT = %d]", config.outputCfg.format);
VIPER_LOGE("We only accept AUDIO_FORMAT_PCM_16_BIT, AUDIO_FORMAT_PCM_32_BIT and AUDIO_FORMAT_PCM_FLOAT output format!");
setDisableReason(DisableReason::INVALID_FORMAT);
return;
}
VIPER_LOGI("Input and output configuration checked.");
setDisableReason(DisableReason::NONE);
// Processing buffer
buffer.resize(config.inputCfg.buffer.frameCount * 2);
bufferFrameCount = config.inputCfg.buffer.frameCount;
// ViPER
viper.setSamplingRate(config.inputCfg.samplingRate);
viper.reset();
}
int32_t ViperContext::handleSetParam(effect_param_t *pCmdParam, void *pReplyData) {
// The value offset of an effect parameter is computed by rounding up
// the parameter size to the next 32 bit alignment.
uint32_t vOffset = ((pCmdParam->psize + sizeof(int32_t) - 1) / sizeof(int32_t)) * sizeof(int32_t);
if (pCmdParam->psize != sizeof(uint32_t)) {
VIPER_LOGE("handleSetParam() EFFECT_CMD_SET_PARAM called with invalid psize = %d, expected psize = %zu", pCmdParam->vsize, sizeof(uint32_t));
return -EINVAL;
}
*(int32_t *) pReplyData = 0;
uint32_t key = *(uint32_t *) (pCmdParam->data);
switch (key) {
case PARAM_SET_RESET: {
viper.reset();
return 0;
}
case PARAM_SET_DDC_ENABLE: {
return 0;
}
case PARAM_SET_DDC_COEFFICIENTS: {
return 0;
}
case PARAM_SET_VIPER_BASS_ENABLE: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_VIPER_BASS_ENABLE called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
bool enable = *(uint8_t *) (pCmdParam->data + vOffset) != 0;
viper.viperBass.SetEnable(enable);
return 0;
}
case PARAM_SET_VIPER_BASS_MODE: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_VIPER_BASS_MODE called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
uint8_t mode = *(uint8_t *) (pCmdParam->data + vOffset);
if (mode > 2) {
VIPER_LOGE("handleSetParam() PARAM_SET_VIPER_BASS_MODE called with invalid mode = %d, expected mode = 0, 1 or 2", mode);
*(int32_t *) pReplyData = -EINVAL;
return 0;
}
viper.viperBass.SetProcessMode(static_cast<ViPERBass::ProcessMode>(mode));
return 0;
}
case PARAM_SET_VIPER_BASS_FREQUENCY: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_VIPER_BASS_FREQUENCY called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
uint8_t frequency = *(uint8_t *) (pCmdParam->data + vOffset);
viper.viperBass.SetSpeaker(frequency);
return 0;
}
case PARAM_SET_VIPER_BASS_GAIN: {
if (pCmdParam->vsize != sizeof(uint16_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_VIPER_BASS_GAIN called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint16_t));
return -EINVAL;
}
uint16_t gain = *(uint16_t *) (pCmdParam->data + vOffset);
viper.viperBass.SetBassFactor(static_cast<float>(gain) / 100.0f);
return 0;
}
case PARAM_SET_VIPER_CLARITY_ENABLE: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_VIPER_CLARITY_ENABLE called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
bool enable = *(uint8_t *) (pCmdParam->data + vOffset) != 0;
viper.viperClarity.SetEnable(enable);
return 0;
}
case PARAM_SET_VIPER_CLARITY_MODE: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_VIPER_CLARITY_MODE called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
uint8_t mode = *(uint8_t *) (pCmdParam->data + vOffset);
if (mode > 2) {
VIPER_LOGE("handleSetParam() PARAM_SET_VIPER_CLARITY_MODE called with invalid mode = %d, expected mode = 0, 1 or 2", mode);
*(int32_t *) pReplyData = -EINVAL;
return 0;
}
viper.viperClarity.SetProcessMode(static_cast<ViPERClarity::ClarityMode>(mode));
return 0;
}
case PARAM_SET_VIPER_CLARITY_GAIN: {
if (pCmdParam->vsize != sizeof(uint16_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_VIPER_CLARITY_GAIN called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint16_t));
return -EINVAL;
}
uint16_t gain = *(uint16_t *) (pCmdParam->data + vOffset);
viper.viperClarity.SetClarity(static_cast<float>(gain) / 100.0f);
return 0;
}
case PARAM_SET_OUTPUT_GAIN: {
// 0 - 255
if (pCmdParam->vsize != sizeof(uint8_t) * 2) {
VIPER_LOGE("handleSetParam() PARAM_SET_OUTPUT_GAIN called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t) * 2);
return -EINVAL;
}
uint8_t gainL = *(uint8_t *) (pCmdParam->data + vOffset);
uint8_t gainR = *(uint8_t *) (pCmdParam->data + vOffset + sizeof(uint8_t));
viper.setGain(static_cast<float>(gainL) / 100.0f, static_cast<float>(gainR) / 100.0f);
return 0;
}
case PARAM_SET_THRESHOLD_LIMIT: {
// 0 - 100 (TODO: Check range)
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_THRESHOLD_LIMIT called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
uint8_t limit = *(uint8_t *) (pCmdParam->data + vOffset);
viper.setThresholdLimit(static_cast<float>(limit) / 100.0f);
return 0;
}
case PARAM_SET_SPEAKER_OPTIMIZATION_ENABLE: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_SPEAKER_OPTIMIZATION_ENABLE called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
bool enable = *(uint8_t *) (pCmdParam->data + vOffset) != 0;
viper.speakerCorrection.SetEnable(enable);
return 0;
}
case PARAM_SET_ANALOGX_ENABLE: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_ANALOGX_ENABLE called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
bool enable = *(uint8_t *) (pCmdParam->data + vOffset) != 0;
viper.analogX.SetEnable(enable);
return 0;
}
case PARAM_SET_ANALOGX_LEVEL: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_ANALOGX_LEVEL called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
uint8_t level = *(uint8_t *) (pCmdParam->data + vOffset);
if (level > 2) {
VIPER_LOGE("handleSetParam() PARAM_SET_ANALOGX_LEVEL called with invalid level = %d, expected level = 0, 1 or 2", level);
*(int32_t *) pReplyData = -EINVAL;
return 0;
}
viper.analogX.SetProcessingModel(level);
return 0;
}
case PARAM_SET_TUBE_SIMULATOR_ENABLE: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_TUBE_SIMULATOR_ENABLE called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
bool enable = *(uint8_t *) (pCmdParam->data + vOffset) != 0;
viper.tubeSimulator.SetEnable(enable);
return 0;
}
case PARAM_SET_CURE_ENABLE: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_CURE_ENABLE called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
bool enable = *(uint8_t *) (pCmdParam->data + vOffset) != 0;
viper.cure.SetEnable(enable);
return 0;
}
case PARAM_SET_CURE_LEVEL: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_CURE_LEVEL called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
uint8_t level = *(uint8_t *) (pCmdParam->data + vOffset);
switch (level) {
case 0: {
struct Crossfeed::Preset preset = {
.cutoff = 650,
.feedback = 95,
};
viper.cure.SetPreset(preset);
break;
}
case 1: {
struct Crossfeed::Preset preset = {
.cutoff = 700,
.feedback = 60,
};
viper.cure.SetPreset(preset);
break;
}
case 2: {
struct Crossfeed::Preset preset = {
.cutoff = 700,
.feedback = 45,
};
viper.cure.SetPreset(preset);
break;
}
default:
VIPER_LOGE("handleSetParam() PARAM_SET_CURE_LEVEL called with invalid level = %d, expected level = 0, 1 or 2", level);
*(int32_t *) pReplyData = -EINVAL;
break;
}
return 0;
}
case PARAM_SET_REVERBERATION_ENABLE: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_REVERBERATION_ENABLE called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
bool enable = *(uint8_t *) (pCmdParam->data + vOffset) != 0;
viper.reverberation.SetEnable(enable);
return 0;
}
case PARAM_SET_REVERBERATION_ROOM_SIZE: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_REVERBERATION_ROOM_SIZE called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
uint8_t roomSize = *(uint8_t *) (pCmdParam->data + vOffset);
viper.reverberation.SetRoomSize(static_cast<float>(roomSize) / 100.0f);
return 0;
}
case PARAM_SET_REVERBERATION_SOUND_FIELD: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_REVERBERATION_SOUND_FIELD called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
uint8_t soundField = *(uint8_t *) (pCmdParam->data + vOffset);
viper.reverberation.SetWidth(static_cast<float>(soundField) / 100.0f);
return 0;
}
case PARAM_SET_REVERBERATION_DAMPING: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_REVERBERATION_DAMPING called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
uint8_t damping = *(uint8_t *) (pCmdParam->data + vOffset);
viper.reverberation.SetDamp(static_cast<float>(damping) / 100.0f);
return 0;
}
case PARAM_SET_REVERBERATION_WET_SIGNAL: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_REVERBERATION_WET_SIGNAL called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
uint8_t wetSignal = *(uint8_t *) (pCmdParam->data + vOffset);
viper.reverberation.SetWet(static_cast<float>(wetSignal) / 100.0f);
return 0;
}
case PARAM_SET_REVERBERATION_DRY_SIGNAL: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_REVERBERATION_DRY_SIGNAL called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
uint8_t drySignal = *(uint8_t *) (pCmdParam->data + vOffset);
viper.reverberation.SetDry(static_cast<float>(drySignal) / 100.0f);
return 0;
}
case PARAM_SET_DIFFERENTIAL_SURROUND_ENABLE: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_DIFFERENTIAL_SURROUND_ENABLE called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
bool enable = *(uint8_t *) (pCmdParam->data + vOffset) != 0;
viper.diffSurround.SetEnable(enable);
return 0;
}
case PARAM_SET_DIFFERENTIAL_SURROUND_DELAY: {
if (pCmdParam->vsize != sizeof(uint16_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_DIFFERENTIAL_SURROUND_DELAY called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint16_t));
return -EINVAL;
}
uint16_t delay = *(uint16_t *) (pCmdParam->data + vOffset);
viper.diffSurround.SetDelayTime(static_cast<float>(delay) / 100.0f);
return 0;
}
case PARAM_SET_FIELD_SURROUND_ENABLE: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_FIELD_SURROUND_ENABLE called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
bool enable = *(uint8_t *) (pCmdParam->data + vOffset) != 0;
viper.colorfulMusic.SetEnable(enable);
return 0;
}
case PARAM_SET_FIELD_SURROUND_DEPTH: {
if (pCmdParam->vsize != sizeof(uint16_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_FIELD_SURROUND_DEPTH called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint16_t));
return -EINVAL;
}
uint16_t depth = *(uint16_t *) (pCmdParam->data + vOffset);
viper.colorfulMusic.SetDepthValue(depth);
return 0;
}
case PARAM_SET_FIELD_SURROUND_MID_IMAGE: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_FIELD_SURROUND_MID_IMAGE called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
uint8_t midImage = *(uint8_t *) (pCmdParam->data + vOffset);
viper.colorfulMusic.SetMidImageValue(static_cast<float>(midImage) / 100.0f);
return 0;
}
case PARAM_SET_IIR_EQUALIZER_ENABLE: {
if (pCmdParam->vsize != sizeof(uint8_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_IIR_EQUALIZER_ENABLE called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t));
return -EINVAL;
}
bool enable = *(uint8_t *) (pCmdParam->data + vOffset) != 0;
viper.iirFilter.SetEnable(enable);
return 0;
}
case PARAM_SET_IIR_EQUALIZER_BAND_LEVEL: {
if (pCmdParam->vsize != sizeof(uint8_t) + sizeof(int16_t)) {
VIPER_LOGE("handleSetParam() PARAM_SET_IIR_EQUALIZER_BAND_LEVEL called with invalid vsize = %d, expected vsize = %zu", pCmdParam->vsize, sizeof(uint8_t) + sizeof(int16_t));
return -EINVAL;
}
uint8_t band = *(uint8_t *) (pCmdParam->data + vOffset);
int16_t level = *(int16_t *) (pCmdParam->data + vOffset + sizeof(uint8_t));
viper.iirFilter.SetBandLevel(band, static_cast<float>(level) / 100.0f);
return 0;
}
default: {
VIPER_LOGE("handleSetParam() called with unknown key: %d", key);
return -EINVAL;
}
}
}
int32_t ViperContext::handleGetParam(effect_param_t *pCmdParam, effect_param_t *pReplyParam, uint32_t *pReplySize) {
// The value offset of an effect parameter is computed by rounding up
// the parameter size to the next 32 bit alignment.
uint32_t vOffset = ((pCmdParam->psize + sizeof(int32_t) - 1) / sizeof(int32_t)) * sizeof(int32_t);
if (pCmdParam->psize != sizeof(uint32_t)) {
VIPER_LOGE("handleGetParam() EFFECT_CMD_GET_PARAM called with invalid psize = %d, expected psize = %zu", pCmdParam->vsize, sizeof(uint32_t));
return -EINVAL;
}
memcpy(pReplyParam, pCmdParam, sizeof(effect_param_t) + pCmdParam->psize);
uint32_t key = *(uint32_t *) (pCmdParam->data);
switch (key) {
case PARAM_GET_ENABLED: {
pReplyParam->status = 0;
pReplyParam->vsize = sizeof(uint8_t);
*(uint8_t *) (pReplyParam->data + vOffset) = enabled;
*pReplySize = sizeof(effect_param_t) + pReplyParam->psize + vOffset + pReplyParam->vsize;
return 0;
}
case PARAM_GET_FRAME_COUNT: {
pReplyParam->status = 0;
pReplyParam->vsize = sizeof(uint64_t);
*(uint64_t *) (pReplyParam->data + vOffset) = viper.getFrameCount();
*pReplySize = sizeof(effect_param_t) + pReplyParam->psize + vOffset + pReplyParam->vsize;
return 0;
}
case PARAM_GET_VERSION: {
pReplyParam->status = 0;
pReplyParam->vsize = sizeof(uint32_t);
*(uint32_t *) (pReplyParam->data + vOffset) = VIPER_VERSION;
*pReplySize = sizeof(effect_param_t) + pReplyParam->psize + vOffset + pReplyParam->vsize;
return 0;
}
case PARAM_GET_DISABLE_REASON: {
pReplyParam->status = 0;
pReplyParam->vsize = sizeof(int32_t);
*(int32_t *) (pReplyParam->data + vOffset) = static_cast<int32_t>(disableReason);
*pReplySize = sizeof(effect_param_t) + pReplyParam->psize + vOffset + pReplyParam->vsize;
return 0;
}
case PARAM_GET_CONFIG: {
pReplyParam->status = 0;
pReplyParam->vsize = 40;
// Input
SET(uint64_t, pReplyParam->data + vOffset, config.inputCfg.buffer.frameCount);
SET(uint32_t, pReplyParam->data + vOffset + 8, config.inputCfg.samplingRate);
SET(uint32_t, pReplyParam->data + vOffset + 12, config.inputCfg.channels);
SET(uint8_t, pReplyParam->data + vOffset + 16, config.inputCfg.format);
SET(uint8_t, pReplyParam->data + vOffset + 17, config.inputCfg.accessMode);
SET(uint16_t, pReplyParam->data + vOffset + 18, config.inputCfg.mask);
// Output
SET(uint64_t, pReplyParam->data + vOffset + 20, config.outputCfg.buffer.frameCount);
SET(uint32_t, pReplyParam->data + vOffset + 28, config.outputCfg.samplingRate);
SET(uint32_t, pReplyParam->data + vOffset + 32, config.outputCfg.channels);
SET(uint8_t, pReplyParam->data + vOffset + 36, config.outputCfg.format);
SET(uint8_t, pReplyParam->data + vOffset + 37, config.outputCfg.accessMode);
SET(uint16_t, pReplyParam->data + vOffset + 38, config.outputCfg.mask);
*pReplySize = sizeof(effect_param_t) + pReplyParam->psize + vOffset + pReplyParam->vsize;
return 0;
}
case PARAM_GET_ARCHITECTURE: {
pReplyParam->status = 0;
pReplyParam->vsize = sizeof(uint8_t);
*(uint8_t *) (pReplyParam->data + vOffset) = static_cast<uint8_t>(VIPER_ARCHITECTURE);
*pReplySize = sizeof(effect_param_t) + pReplyParam->psize + vOffset + pReplyParam->vsize;
return 0;
}
default: {
VIPER_LOGE("handleGetParam() called with unknown key: %d", key);
return -EINVAL;
}
}
}
int32_t ViperContext::handleCommand(uint32_t cmdCode, uint32_t cmdSize, void *pCmdData, uint32_t *pReplySize, void *pReplyData) {
uint32_t replySize = pReplySize == nullptr ? 0 : *pReplySize;
switch (cmdCode) {
case EFFECT_CMD_INIT: {
if (replySize != sizeof(int32_t) || pReplyData == nullptr) {
VIPER_LOGE("EFFECT_CMD_INIT called with invalid replySize = %d, pReplyData = %p, expected replySize = %zu", replySize, pReplyData, sizeof(int32_t));
return -EINVAL;
}
SET(int32_t, pReplyData, 0);
return 0;
}
case EFFECT_CMD_SET_CONFIG: {
if (cmdSize != sizeof(effect_config_t) || pCmdData == nullptr || replySize != sizeof(int32_t) || pReplyData == nullptr) {
VIPER_LOGE("EFFECT_CMD_SET_CONFIG called with invalid cmdSize = %d, pCmdData = %p, replySize = %d, pReplyData = %p, expected cmdSize = %zu, expected replySize = %zu", cmdSize, pCmdData, replySize, pReplyData, sizeof(effect_config_t), sizeof(int32_t));
return -EINVAL;
}
handleSetConfig((effect_config_t *) pCmdData);
SET(int32_t, pReplyData, 0);
return 0;
}
case EFFECT_CMD_RESET: {
viper.reset();
return 0;
}
case EFFECT_CMD_ENABLE: {
if (replySize != sizeof(int32_t) || pReplyData == nullptr) {
VIPER_LOGE("EFFECT_CMD_ENABLE called with invalid replySize = %d, pReplyData = %p, expected replySize = %zu", replySize, pReplyData, sizeof(int32_t));
return -EINVAL;
}
enabled = true;
SET(int32_t, pReplyData, 0);
return 0;
}
case EFFECT_CMD_DISABLE: {
if (replySize != sizeof(int32_t) || pReplyData == nullptr) {
VIPER_LOGE("EFFECT_CMD_DISABLE called with invalid replySize = %d, pReplyData = %p, expected replySize = %zu", replySize, pReplyData, sizeof(int32_t));
return -EINVAL;
}
enabled = false;
SET(int32_t, pReplyData, 0);
return 0;
}
case EFFECT_CMD_SET_PARAM: {
if (cmdSize < sizeof(effect_param_t) || pCmdData == nullptr || replySize != sizeof(int32_t) || pReplyData == nullptr) {
VIPER_LOGE("EFFECT_CMD_SET_PARAM called with invalid cmdSize = %d, pCmdData = %p, replySize = %d, pReplyData = %p, expected cmdSize >= %zu, expected replySize >= %zu", cmdSize, pCmdData, replySize, pReplyData, sizeof(effect_param_t), sizeof(int32_t));
return -EINVAL;
}
return handleSetParam((effect_param_t *) pCmdData, pReplyData);
}
case EFFECT_CMD_GET_PARAM: {
if (cmdSize < sizeof(effect_param_t) || pCmdData == nullptr || replySize < sizeof(effect_param_t) || pReplyData == nullptr) {
VIPER_LOGE("EFFECT_CMD_GET_PARAM called with invalid cmdSize = %d, pCmdData = %p, replySize = %d, pReplyData = %p, expected cmdSize >= %zu, expected replySize >= %zu", cmdSize, pCmdData, replySize, pReplyData, sizeof(effect_param_t), sizeof(effect_param_t));
return -EINVAL;
}
return handleGetParam((effect_param_t *) pCmdData, (effect_param_t *) pReplyData, pReplySize);
}
case EFFECT_CMD_GET_CONFIG: {
if (replySize != sizeof(effect_config_t) || pReplyData == nullptr) {
VIPER_LOGE("EFFECT_CMD_GET_CONFIG called with invalid replySize = %d, pReplyData = %p, expected replySize = %zu", replySize, pReplyData, sizeof(effect_config_t));
return -EINVAL;
}
*(effect_config_t *) pReplyData = config;
return 0;
}
default: {
VIPER_LOGE("handleCommand called with unknown command: %d", cmdCode);
return -EINVAL;
}
}
}
template <typename T>
void pcmToFloat(float* dst, const T* src, size_t frameCount) {
constexpr float max_val = static_cast<float>(std::numeric_limits<T>::max());
for (size_t i = 0; i < frameCount * 2; i++) {
dst[i] = static_cast<float>(src[i]) / max_val;
}
}
template <typename T>
static const T& clamp(const T& v, const T& lo, const T& hi) {
return std::min(std::max(v, lo), hi);
}
static void floatToFloat(float *dst, const float *src, size_t frameCount, bool accumulate) {
if (accumulate) {
for (size_t i = 0; i < frameCount * 2; i++) {
dst[i] = clamp(dst[i] + src[i], -1.0f, 1.0f);
}
} else {
memcpy(dst, src, frameCount * 2 * sizeof(float));
}
}
template <typename T, typename U>
void floatToPcm(T *dst, const float *src, size_t frameCount, bool accumulate) {
constexpr T max_val = std::numeric_limits<T>::max();
constexpr T min_val = std::numeric_limits<T>::min();
for (size_t i = 0; i < frameCount * 2; i++) {
T pcm = static_cast<T>(src[i] * static_cast<float>(max_val));
if (accumulate) {
U temp = static_cast<U>(dst[i]) + pcm;
dst[i] = static_cast<T>(clamp(temp, static_cast<U>(min_val), static_cast<U>(max_val)));
} else {
dst[i] = pcm;
}
}
}
static audio_buffer_t *getBuffer(buffer_config_s *config, audio_buffer_t *buffer) {
if (buffer != nullptr) return buffer;
if (config->mask & EFFECT_CONFIG_BUFFER) return &config->buffer;
// EFFECT_CONFIG_PROVIDER not implemented, it's not used by any known effect
return nullptr;
}
int32_t ViperContext::process(audio_buffer_t *inBuffer, audio_buffer_t *outBuffer) {
if (disableReason != DisableReason::NONE) {
return -EINVAL;
}
if (!enabled) {
return -ENODATA;
}
inBuffer = getBuffer(&config.inputCfg, inBuffer);
outBuffer = getBuffer(&config.outputCfg, outBuffer);
if (inBuffer == nullptr || outBuffer == nullptr ||
inBuffer->raw == nullptr || outBuffer->raw == nullptr ||
inBuffer->frameCount != outBuffer->frameCount ||
inBuffer->frameCount == 0) {
return -EINVAL;
}
size_t frameCount = inBuffer->frameCount;
if (frameCount > bufferFrameCount) {
// This should never happen, but just in case
buffer.resize(frameCount * 2);
bufferFrameCount = frameCount;
}
switch (config.inputCfg.format) {
case AUDIO_FORMAT_PCM_16_BIT:
pcmToFloat<int16_t>(buffer.data(), inBuffer->s16, frameCount);
break;
case AUDIO_FORMAT_PCM_32_BIT:
pcmToFloat<int32_t>(buffer.data(), inBuffer->s32, frameCount);
break;
case AUDIO_FORMAT_PCM_FLOAT:
floatToFloat(buffer.data(), inBuffer->f32, frameCount, false);
break;
default:
return -EINVAL;
}
viper.process(buffer, frameCount);
const bool accumulate = config.outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE;
switch (config.outputCfg.format) {
case AUDIO_FORMAT_PCM_16_BIT:
floatToPcm<int16_t, int32_t>(outBuffer->s16, buffer.data(), frameCount, accumulate);
break;
case AUDIO_FORMAT_PCM_32_BIT:
floatToPcm<int32_t, int64_t>(outBuffer->s32, buffer.data(), frameCount, accumulate);
break;
case AUDIO_FORMAT_PCM_FLOAT:
floatToFloat(outBuffer->f32, buffer.data(), frameCount, accumulate);
break;
default:
return -EINVAL;
}
return 0;
}
void ViperContext::setDisableReason(DisableReason reason) {
this->disableReason = reason;
}