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Best version of lb302 yet

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git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1288 0778d3d1-df1d-0410-868b-ea421aaaa00d
This commit is contained in:
Paul Giblock
2008-07-07 03:59:04 +00:00
parent f93205469c
commit f2f6b73644
3 changed files with 29 additions and 5 deletions
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2
ChangeLog
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@@ -2,7 +2,7 @@
* plugins/lb302/lb302.cpp:
* plugins/lb302/lb302.h:
First version (and probably last) of new IPH-based lb302
New version (and probably last) of new IPH-based lb302
2008-07-06 Tobias Doerffel <tobydox/at/users/dot/sourceforge/dot/net>

30
plugins/lb302/lb302.cpp
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@@ -361,6 +361,8 @@ lb302Synth::lb302Synth( instrumentTrack * _instrumentTrack ) :
previous_freq = -1;
previous_vco_inc = 0;
previous_sample = 0;
previous_sample_hold = 0;
previous_sample_vca = 0;
delete_freq = -1;
@@ -563,6 +565,11 @@ int lb302Synth::process(sampleFrame *outbuf, const Uint32 size)
}
}
if( sample_cnt <= 0 ) {
previous_sample_hold = previous_sample;
previous_sample_vca = 0.01f;
}
sample_cnt++;
vcf_envpos++;
@@ -640,12 +647,27 @@ int lb302Synth::process(sampleFrame *outbuf, const Uint32 size)
//samp = vcf->process(vco_k)*2.0*vca_a;
//samp = vcf->process(vco_k)*2.0;
samp = vcf->process(vco_k) * vca_a;
//printf("%f %d\n", vco_c, sample_cnt);
//printf("%f %d\n", vco_c, sample_cnt);
//samp = vco_k * vca_a;
if( sample_cnt <= 4 )
{
// vca_a = 0;
}
/*
if( previous_sample_vca <= 1.0f )
samp += (1.0f- previous_sample_vca) * previous_sample_hold;
previous_sample_vca *= 1.2f;
*/
previous_sample = samp;
//if( sample_cnt < 32 && previous_freq > 0.0f )
//{
previous_sample *= 0.96406088;
//previous_sample *= 0.96406088;
//float oldamt = (32.0f-(float)sample_cnt)*previous_sample/32.0f;
//printf("%d old %f\n", sample_cnt, oldamt);
//samp += previous_sample;
@@ -708,7 +730,7 @@ void lb302Synth::initNote( lb302Note *n)
sample_cnt = 0;
vca_mode = 0;
// LB303:
vca_a = 0;
//vca_a = 0;
}
else {
vca_mode = 2;
@@ -834,7 +856,7 @@ void lb302Synth::deleteNotePluginData( notePlayHandle * _n )
{
delete_freq = current_freq;
//previous_freq = current_freq;
previous_sample = vco_k * vca_a;
//previous_sample = vco_k * vca_a;
}
}

2
plugins/lb302/lb302.h
View File

@@ -242,6 +242,8 @@ private:
float previous_freq;
float previous_vco_inc;
float previous_sample;
float previous_sample_hold;
float previous_sample_vca;
float previous_count;
float delete_freq;