fruchti/colorchord
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allow cascading files to be loaded, fix the filter. Improve stability of output linear. Change a bunch of IIR settings.

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This commit is contained in:
cnlohr 2015-01-10 01:44:13 -05:00
parent f3d950c129
commit a377262c80
15 changed files with 227 additions and 99 deletions
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11
filter.c
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@ -2,7 +2,7 @@
#include <math.h>
#include <string.h>
/*
void FilterFoldedBinsIIRTWOPASS( float * folded, int bins, float iir )
{
int i;
@ -33,8 +33,7 @@ void FilterFoldedBinsIIRTWOPASS( float * folded, int bins, float iir )
{
folded[i] = v * iir + folded[i] * inv;
}
}
}*/
void FilterFoldedBinsBlob( float * folded, int bins, float strength, int iter )
@ -47,8 +46,10 @@ void FilterFoldedBinsBlob( float * folded, int bins, float strength, int iter )
memcpy( tmp, folded, sizeof( tmp ) );
for( i = 0; i < bins; i++ )
{
float left = tmp[(i-1+bins)%bins];
float right = tmp[(i-1+bins)%bins];
// float left = tmp[(i-1+bins)%bins];
// float right = tmp[(i-1+bins)%bins];
float right = tmp[(i+bins+1)%bins];
float left = tmp[(i+bins-1)%bins];
folded[i] = folded[i] * (1.-strength) + (left + right) * strength * 0.5;
}
}