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Troy's extra data

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Will Tatam
2024-03-05 23:35:23 +00:00
parent 65027331c7
commit 6550504f60
1 changed files with 21 additions and 0 deletions
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21
usermods/audioreactive/audio_reactive.h
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@@ -141,6 +141,10 @@ static uint8_t fftResult[NUM_GEQ_CHANNELS]= {0}; // Our calculated freq. chann
static float fftCalc[NUM_GEQ_CHANNELS] = {0.0f}; // Try and normalize fftBin values to a max of 4096, so that 4096/16 = 256. (also used by dynamics limiter)
static float fftAvg[NUM_GEQ_CHANNELS] = {0.0f}; // Calculated frequency channel results, with smoothing (used if dynamics limiter is ON)
int zcr = 0;
int energy = 0;
int lfc = 0;
// TODO: probably best not used by receive nodes
static float agcSensitivity = 128; // AGC sensitivity estimation, based on agc gain (multAgc). calculated by getSensitivity(). range 0..255
@@ -551,7 +555,18 @@ void FFTcode(void * parameter)
// pick our our current mic sample - we take the max value from all samples that go into FFT
if ((vReal[i] <= (INT16_MAX - 1024)) && (vReal[i] >= (INT16_MIN + 1024))) //skip extreme values - normally these are artefacts
if (fabsf((float)vReal[i]) > maxSample) maxSample = fabsf((float)vReal[i]);
// WLED-MM/TroyHacks: Calculate zero crossings
if (i < samplesFFT-2) {
if (vReal[i] * vReal[i+1] < 0) {
zcr++;
}
}
// WLED-MM/TroyHacks: Calculate energy
energy += vReal[i] * vReal[i];
}
energy /= 100000; // WLED-MM/TroyHacks: scale this down becasue we're gonna make it bigger later
// release highest sample to volume reactive effects early - not strictly necessary here - could also be done at the end of the function
// early release allows the filters (getSample() and agcAvg()) to work with fresh values - we will have matching gain and noise gate values when we want to process the FFT results.
micDataReal = maxSample;
@@ -646,6 +661,8 @@ void FFTcode(void * parameter)
vReal[i] = t / 16.0f; // Reduce magnitude. Want end result to be scaled linear and ~4096 max.
} // for()
lfc = fftAddAvg(1,9); // WLED-MM/TroyHacks: Calculate Low-Frequency Content
// mapping of FFT result bins to frequency channels
//if (fabsf(sampleAvg) > 0.25f) { // noise gate open
if (fabsf(volumeSmth) > 0.25f) { // noise gate open
@@ -1746,6 +1763,10 @@ class AudioReactive : public Usermod {
um_data->u_type[9] = UMT_FLOAT;
um_data->u_data[10] = &agcSensitivity; // used (New)
um_data->u_type[10] = UMT_FLOAT;
int extra[3] = {zcr, energy, lfc};
um_data->u_data[11] = extra; //
um_data->u_type[11] = UMT_INT16_ARR;
#else
// ESP8266
// See https://github.com/MoonModules/WLED/pull/60#issuecomment-1666972133 for explanation of these alternative sources of data