@ -45,7 +45,7 @@ static void copy_to_fft_buffer(void *destination, const void *source) {
}
}
static void apply_window_to_fft_buffer ( void * buffer , const void * window ) {
static void apply_window_to_fft_buffer ( void * buffer , const void * window ) {
float * buf = ( float * ) buffer ;
float * buf = ( float * ) buffer ;
const float * win = ( float * ) window ;
const float * win = ( float * ) window ;
for ( int i = 0 ; i < NFFT ; i + + )
for ( int i = 0 ; i < NFFT ; i + + )
@ -87,7 +87,7 @@ void AudioAnalyzeFFT1024_F32::update(void) {
if ( i > 0 ) {
if ( i > 0 ) {
float rns = 0.5f * ( fft_buffer [ 2 * i ] + fft_buffer [ NFFT - 2 * i ] ) ;
float rns = 0.5f * ( fft_buffer [ 2 * i ] + fft_buffer [ NFFT - 2 * i ] ) ;
float ins = 0.5f * ( fft_buffer [ 2 * i + 1 ] + fft_buffer [ NFFT - 2 * i + 1 ] ) ;
float ins = 0.5f * ( fft_buffer [ 2 * i + 1 ] + fft_buffer [ NFFT - 2 * i + 1 ] ) ;
float rnd = 0.5f * ( fft_buffer [ 2 * i ] - fft_buffer [ NFFT - 2 * i ] ) ;
float rnd = 0.5f * ( fft_buffer [ 2 * i ] - fft_buffer [ NFFT - 2 * i ] ) ;
float ind = 0.5f * ( fft_buffer [ 2 * i + 1 ] - fft_buffer [ NFFT - 2 * i + 1 ] ) ;
float ind = 0.5f * ( fft_buffer [ 2 * i + 1 ] - fft_buffer [ NFFT - 2 * i + 1 ] ) ;
float xr = rns + cosN [ i ] * ins - sinN [ i ] * rnd ;
float xr = rns + cosN [ i ] * ins - sinN [ i ] * rnd ;
@ -106,7 +106,7 @@ void AudioAnalyzeFFT1024_F32::update(void) {
if ( count > = nAverage ) { // Average is finished
if ( count > = nAverage ) { // Average is finished
// Set outputflag false here to minimize reads of output[] data
// Set outputflag false here to minimize reads of output[] data
// when it is being updated.
// when it is being updated.
outputflag = false ;
outputflag = false ;
count = 0 ;
count = 0 ;
float inAf = 1.0f / ( float ) nAverage ;
float inAf = 1.0f / ( float ) nAverage ;