/* * kicker.cpp - bassdrum-synthesizer * * Copyright (c) 2006-2008 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 "instrument_track.h" #include "knob.h" #include "note_play_handle.h" #include "sweep_oscillator.h" #include "automatable_model_templates.h" #undef SINGLE_SOURCE_COMPILE #include "embed.cpp" extern "C" { plugin::descriptor kicker_plugin_descriptor = { STRINGIFY_PLUGIN_NAME( PLUGIN_NAME ), "Kicker", QT_TRANSLATE_NOOP( "pluginBrowser", "versatile kick- & bassdrum-synthesizer" ), "Tobias Doerffel ", 0x0100, plugin::Instrument, new QPixmap( PLUGIN_NAME::getIconPixmap( "logo" ) ), NULL } ; } kickerInstrument::kickerInstrument( instrumentTrack * _instrument_track ) : instrument( _instrument_track, &kicker_plugin_descriptor ), m_startFreqModel( 150.0f, 5.0f, 1000.0f, 1.0f, this ), m_endFreqModel( 40.0f, 5.0f, 1000.0f, 1.0f, this ), m_decayModel( 120.0f, 5.0f, 1000.0f, 1.0f, this ), m_distModel( 0.8f, 0.0f, 100.0f, 0.1f, this ), m_gainModel( 1.0f, 0.1f, 5.0f, 0.05f, this ) { m_startFreqModel.setTrack( _instrument_track ); m_endFreqModel.setTrack( _instrument_track ); m_decayModel.setTrack( _instrument_track ); m_distModel.setTrack( _instrument_track ); m_gainModel.setTrack( _instrument_track ); } 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( void ) const { return( kicker_plugin_descriptor.name ); } //typedef effectLib::foldbackDistortion<> distFX; typedef effectLib::distortion<> distFX; typedef sweepOscillator > sweepOsc; void kickerInstrument::playNote( notePlayHandle * _n, bool ) { const float decfr = m_decayModel.value() * engine::getMixer()->sampleRate() / 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 = getInstrumentTrack()->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; sampleFrame * buf = new sampleFrame[frames]; sweepOsc * so = static_cast( _n->m_pluginData ); so->update( buf, frames, f1, f2, engine::getMixer()->sampleRate() ); if( _n->released() ) { for( fpp_t f = 0; f < frames; ++f ) { const float fac = 1.0f - (float)( _n->releaseFramesDone()+f ) / desiredReleaseFrames(); for( ch_cnt_t ch = 0; ch < DEFAULT_CHANNELS; ++ch ) { buf[f][ch] *= fac; } } } getInstrumentTrack()->processAudioBuffer( buf, frames, _n ); delete[] buf; } void kickerInstrument::deleteNotePluginData( notePlayHandle * _n ) { delete static_cast( _n->m_pluginData ); } pluginView * kickerInstrument::instantiateView( QWidget * _parent ) { return( new kickerInstrumentView( this, _parent ) ); } kickerInstrumentView::kickerInstrumentView( instrument * _instrument, QWidget * _parent ) : instrumentView( _instrument, _parent ) { QVBoxLayout * vl = new QVBoxLayout( this ); QHBoxLayout * hl = new QHBoxLayout; m_startFreqKnob = new knob( knobDark_28, this, tr( "Start frequency" ) ); m_startFreqKnob->setLabel( tr( "START" ) ); m_startFreqKnob->setHintText( tr( "Start frequency:" ) + " ", "Hz" ); m_endFreqKnob = new knob( knobDark_28, this, tr( "End frequency" ) ); m_endFreqKnob->setLabel( tr( "END" ) ); m_endFreqKnob->setHintText( tr( "End frequency:" ) + " ", "Hz" ); m_decayKnob = new knob( knobDark_28, this, tr( "Decay" ) ); m_decayKnob->setLabel( tr( "DECAY" ) ); m_decayKnob->setHintText( tr( "Decay:" ) + " ", "ms" ); m_distKnob = new knob( knobDark_28, this, tr( "Distortion" ) ); m_distKnob->setLabel( tr( "DIST" ) ); m_distKnob->setHintText( tr( "Distortion:" ) + " ", "" ); m_gainKnob = new knob( knobDark_28, this, tr( "Gain" ) ); m_gainKnob->setLabel( tr( "GAIN" ) ); m_gainKnob->setHintText( tr( "Gain:" ) + " ", "" ); hl->addWidget( m_startFreqKnob ); hl->addWidget( m_endFreqKnob ); hl->addWidget( m_decayKnob ); hl->addWidget( m_distKnob ); hl->addWidget( m_gainKnob ); vl->addLayout( hl ); setAutoFillBackground( TRUE ); QPalette pal; pal.setBrush( backgroundRole(), PLUGIN_NAME::getIconPixmap( "artwork" ) ); setPalette( pal ); } kickerInstrumentView::~kickerInstrumentView() { } void kickerInstrumentView::modelChanged( void ) { 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" { // neccessary for getting instance out of shared lib plugin * lmms_plugin_main( model *, void * _data ) { return( new kickerInstrument( static_cast( _data ) ) ); } }