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experimental support for MMX/SSE/SSE2 instructions

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git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1832 0778d3d1-df1d-0410-868b-ea421aaaa00d
This commit is contained in:
Tobias Doerffel
2008-11-10 10:31:11 +00:00
parent 986fce1126
commit 22dc97f13d
34 changed files with 3198 additions and 283 deletions
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38
plugins/ladspa_effect/ladspa_effect.cpp
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@@ -34,6 +34,7 @@
#include "ladspa_subplugin_features.h"
#include "mixer.h"
#include "effect_chain.h"
#include "basic_ops.h"
#include "automation_pattern.h"
@@ -144,7 +145,7 @@ bool ladspaEffect::processAudioBuffer( sampleFrame * _buf,
if( m_maxSampleRate < engine::getMixer()->processingSampleRate() )
{
o_buf = _buf;
_buf = new sampleFrame[_frames];
_buf = alignedAllocFrames( _frames );
sampleDown( o_buf, _buf, m_maxSampleRate );
frames = _frames * m_maxSampleRate /
engine::getMixer()->processingSampleRate();
@@ -217,8 +218,8 @@ bool ladspaEffect::processAudioBuffer( sampleFrame * _buf,
// Copy the LADSPA output buffers to the LMMS buffer.
double out_sum = 0.0;
channel = 0;
const float d = getDryLevel();
const float w = getWetLevel();
float * buffers[2];
for( ch_cnt_t proc = 0; proc < getProcessorCount(); ++proc )
{
for( int port = 0; port < m_portCount; ++port )
@@ -231,17 +232,9 @@ bool ladspaEffect::processAudioBuffer( sampleFrame * _buf,
case CONTROL_RATE_INPUT:
break;
case CHANNEL_OUT:
for( fpp_t frame = 0;
frame < frames; ++frame )
if( channel < DEFAULT_CHANNELS )
{
_buf[frame][channel] =
d *
_buf[frame][channel] +
w *
pp->buffer[frame];
out_sum +=
_buf[frame][channel] *
_buf[frame][channel];
buffers[channel] = pp->buffer;
}
++channel;
break;
@@ -254,10 +247,27 @@ bool ladspaEffect::processAudioBuffer( sampleFrame * _buf,
}
}
if( channel == 1 )
{
buffers[1] = buffers[0];
}
if( channel >= 1 && channel <= DEFAULT_CHANNELS )
{
alignedBufWetDryMixSplitted( _buf, buffers[0], buffers[1],
getWetLevel(), getDryLevel(), frames );
}
for( int i = 0; i < frames; ++i )
{
out_sum += _buf[i][0]*_buf[i][0];
out_sum += _buf[i][1]*_buf[i][1];
}
if( o_buf != NULL )
{
sampleBack( _buf, o_buf, m_maxSampleRate );
delete[] _buf;
alignedFreeFrames( _buf );
}
checkGate( out_sum / frames );