/* * kicker.cpp - bassdrum-synthesizer * * Copyright (c) 2006-2009 Tobias Doerffel * * This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this program (see COPYING); if not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301 USA. * */ #include #include #include "kicker.h" #include "engine.h" #include "InstrumentTrack.h" #include "knob.h" #include "note_play_handle.h" #include "SweepOscillator.h" #include "embed.cpp" extern "C" { Plugin::Descriptor PLUGIN_EXPORT kicker_plugin_descriptor = { STRINGIFY( PLUGIN_NAME ), "Kicker", QT_TRANSLATE_NOOP( "pluginBrowser", "versatile kick- & bassdrum-synthesizer" ), "Tobias Doerffel ", 0x0100, Plugin::Instrument, new PluginPixmapLoader( "logo" ), NULL, NULL } ; } kickerInstrument::kickerInstrument( InstrumentTrack * _instrument_track ) : Instrument( _instrument_track, &kicker_plugin_descriptor ), m_startFreqModel( 150.0f, 5.0f, 1000.0f, 1.0f, this, tr( "Start frequency" ) ), m_endFreqModel( 40.0f, 5.0f, 1000.0f, 1.0f, this, tr( "End frequency" ) ), m_decayModel( 120.0f, 5.0f, 1000.0f, 1.0f, this, tr( "Decay" ) ), m_distModel( 0.8f, 0.0f, 100.0f, 0.1f, this, tr( "Distortion" ) ), m_gainModel( 1.0f, 0.1f, 5.0f, 0.05f, this, tr( "Gain" ) ) { } kickerInstrument::~kickerInstrument() { } void kickerInstrument::saveSettings( QDomDocument & _doc, QDomElement & _this ) { m_startFreqModel.saveSettings( _doc, _this, "startfreq" ); m_endFreqModel.saveSettings( _doc, _this, "endfreq" ); m_decayModel.saveSettings( _doc, _this, "decay" ); m_distModel.saveSettings( _doc, _this, "dist" ); m_gainModel.saveSettings( _doc, _this, "gain" ); } void kickerInstrument::loadSettings( const QDomElement & _this ) { m_startFreqModel.loadSettings( _this, "startfreq" ); m_endFreqModel.loadSettings( _this, "endfreq" ); m_decayModel.loadSettings( _this, "decay" ); m_distModel.loadSettings( _this, "dist" ); m_gainModel.loadSettings( _this, "gain" ); } QString kickerInstrument::nodeName() const { return kicker_plugin_descriptor.name; } //typedef effectLib::foldbackDistortion<> DistFX; typedef effectLib::distortion DistFX; typedef SweepOscillator > SweepOsc; void kickerInstrument::playNote( notePlayHandle * _n, sampleFrame * _working_buffer ) { const float decfr = m_decayModel.value() * engine::getMixer()->processingSampleRate() / 1000.0f; const f_cnt_t tfp = _n->totalFramesPlayed(); if ( tfp == 0 ) { _n->m_pluginData = new SweepOsc( DistFX( m_distModel.value(), m_gainModel.value() ) ); } else if( tfp > decfr && !_n->released() ) { _n->noteOff(); } //const float freq = instrumentTrack()->frequency( _n ) / 2; const float fdiff = m_endFreqModel.value() - m_startFreqModel.value(); /* const fpp_t frames = _n->released() ? tMax( tMin( desiredReleaseFrames() - _n->releaseFramesDone(), engine::getMixer()->framesPerAudioBuffer() ), 0 ) : engine::getMixer()->framesPerAudioBuffer();*/ const fpp_t frames = _n->framesLeftForCurrentPeriod(); const float f1 = m_startFreqModel.value() + tfp * fdiff / decfr; const float f2 = m_startFreqModel.value() + (frames+tfp-1)*fdiff/decfr; SweepOsc * so = static_cast( _n->m_pluginData ); so->update( _working_buffer, frames, f1, f2, engine::getMixer()->processingSampleRate() ); if( _n->released() ) { const float rfd = _n->releaseFramesDone(); const float drf = desiredReleaseFrames(); for( fpp_t f = 0; f < frames; ++f ) { const float fac = 1.0f - ( rfd+f ) / drf; _working_buffer[f][0] *= fac; _working_buffer[f][1] *= fac; } } instrumentTrack()->processAudioBuffer( _working_buffer, frames, _n ); } void kickerInstrument::deleteNotePluginData( notePlayHandle * _n ) { delete static_cast( _n->m_pluginData ); } PluginView * kickerInstrument::instantiateView( QWidget * _parent ) { return new kickerInstrumentView( this, _parent ); } class kickerKnob : public knob { public: kickerKnob( QWidget * _parent ) : knob( knobStyled, _parent ) { setFixedSize( 37, 47 ); } }; kickerInstrumentView::kickerInstrumentView( Instrument * _instrument, QWidget * _parent ) : InstrumentView( _instrument, _parent ) { m_startFreqKnob = new kickerKnob( this ); m_startFreqKnob->setHintText( tr( "Start frequency:" ) + " ", "Hz" ); m_startFreqKnob->move( 12, 124 ); m_endFreqKnob = new kickerKnob( this ); m_endFreqKnob->setHintText( tr( "End frequency:" ) + " ", "Hz" ); m_endFreqKnob->move( 59, 124 ); m_decayKnob = new kickerKnob( this ); m_decayKnob->setHintText( tr( "Decay:" ) + " ", "ms" ); m_decayKnob->move( 107, 124 ); m_distKnob = new kickerKnob( this ); m_distKnob->setHintText( tr( "Distortion:" ) + " ", "" ); m_distKnob->move( 155, 124 ); m_gainKnob = new kickerKnob( this ); m_gainKnob->setHintText( tr( "Gain:" ) + " ", "" ); m_gainKnob->move( 203, 124 ); setAutoFillBackground( true ); QPalette pal; pal.setBrush( backgroundRole(), PLUGIN_NAME::getIconPixmap( "artwork" ) ); setPalette( pal ); } kickerInstrumentView::~kickerInstrumentView() { } void kickerInstrumentView::modelChanged() { kickerInstrument * k = castModel(); m_startFreqKnob->setModel( &k->m_startFreqModel ); m_endFreqKnob->setModel( &k->m_endFreqModel ); m_decayKnob->setModel( &k->m_decayModel ); m_distKnob->setModel( &k->m_distModel ); m_gainKnob->setModel( &k->m_gainModel ); } extern "C" { // necessary for getting instance out of shared lib Plugin * PLUGIN_EXPORT lmms_plugin_main( Model *, void * _data ) { return new kickerInstrument( static_cast( _data ) ); } } #include "moc_kicker.cxx"