mirror/lmms
1
0
Fork 0
mirror of https://github.com/LMMS/lmms.git synced 2026-04-22 15:08:35 -04:00
Code Issues Packages Projects Releases Wiki Activity

Add usage of linearInterpolate() to several places (mostly my plugins for now but i'll add more if i find them)

Browse Source
This commit is contained in:
Vesa
2014-04-05 02:23:17 +03:00
parent 5ced0c083f
commit 9bef55c7f5
9 changed files with 39 additions and 54 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
plugins/dynamics_processor/dynamics_processor.cpp
View File

@@ -25,7 +25,9 @@
#include "dynamics_processor.h"
#include <math.h>
#include "lmms_math.h"
#include "interpolation.h"
#include "embed.cpp"
#ifdef LMMS_BUILD_WIN32
@@ -107,8 +109,7 @@ bool dynProcEffect::processAudioBuffer( sampleFrame * _buf,
// variables for effect
int i = 0;
float lookup;
float frac;
float sm_peak[2] = { 0.0f, 0.0f };
float gain;
@@ -182,22 +183,20 @@ bool dynProcEffect::processAudioBuffer( sampleFrame * _buf,
for ( i=0; i <= 1; i++ )
{
if( sm_peak[i] != 0 )
const int lookup = static_cast<int>( sm_peak[i] * 200.0f );
const float frac = fraction( sm_peak[i] * 200.0f );
if( sm_peak[i] > 0 )
{
lookup = sm_peak[i] * 200.0f;
if ( lookup < 1 )
{
frac = lookup - truncf(lookup);
gain = frac * m_dpControls.m_wavegraphModel.samples()[0];
}
else
if ( lookup < 200 )
{
frac = lookup - truncf(lookup);
gain =
(( (1.0f-frac) * m_dpControls.m_wavegraphModel.samples()[ (int)truncf(lookup) - 1 ] ) +
( frac * m_dpControls.m_wavegraphModel.samples()[ (int)truncf(lookup) ] ));
gain = linearInterpolate( m_dpControls.m_wavegraphModel.samples()[ lookup - 1 ],
m_dpControls.m_wavegraphModel.samples()[ lookup ], frac );
}
else
{
@@ -206,8 +205,6 @@ bool dynProcEffect::processAudioBuffer( sampleFrame * _buf,
s[i] *= ( gain / sm_peak[i] );
}
else { s[i] = 0.0f; }
}
// apply output gain