lbajardsilogic@79: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@79: 
lbajardsilogic@79: /*	Sound Access	
lbajardsilogic@79: 		EASAIER client application.	
lbajardsilogic@79: 		Silogic 2007. Laure Bajard. 
lbajardsilogic@79: 	
lbajardsilogic@201: 	Integration of the filter provided by:
lbajardsilogic@201: 	Dublin Institute of Technology - Audio Research Group 2007
lbajardsilogic@201: 	www.audioresearchgroup.com
lbajardsilogic@201: 	Author: Dan Barry
lbajardsilogic@201: 
lbajardsilogic@79: 	This program is free software; you can redistribute it and/or    
lbajardsilogic@79: 	modify it under the terms of the GNU General Public License as    
lbajardsilogic@79: 	published by the Free Software Foundation; either version 2 of the    
lbajardsilogic@79: 	License, or (at your option) any later version.  See the file    
lbajardsilogic@79: 	COPYING included with this distribution for more information.
lbajardsilogic@79: */
lbajardsilogic@79: 
lbajardsilogic@79: #include <math.h>
lbajardsilogic@82: #include <iostream>
lbajardsilogic@79: 
lbajardsilogic@79: #include "TimeStretchFilter.h"
lbajardsilogic@79: 
lbajardsilogic@79: #include  "FFTReal.h"
lbajardsilogic@79: #include  "DSP.h"
lbajardsilogic@79: 
lbajardsilogic@82: #include "system/System.h"
lbajardsilogic@127: #include "main/MainWindow.h"
lbajardsilogic@82: 
lbajardsilogic@79: float hopfactor = 1;
lbajardsilogic@82: 
benoitrigolleau@280: bool freeze;
benoitrigolleau@280: 
lbajardsilogic@79: 
lbajardsilogic@223: TimeStretchFilter::TimeStretchFilter() : PropertyContainer(),
lbajardsilogic@116: 	m_transcheck(true),
lbajardsilogic@82: 	m_peakcheck(false),
benoitrigolleau@276: 	m_freezecheck(false),
lbajardsilogic@106: 	m_interpfactor(1),
lbajardsilogic@116: 	m_tmaxfactor(2),
lbajardsilogic@111: 	m_pmaxfactor(2)
lbajardsilogic@79: {
lbajardsilogic@223: 	setObjectName("Pitch-Time Stretching");
benoitrigolleau@280: freeze = false;
lbajardsilogic@225: 	setFilterEnabled(false);
lbajardsilogic@225: 	
lbajardsilogic@127: 	connect(this, SIGNAL(playSpeedChanged(float)),
lbajardsilogic@127: 		MainWindow::instance(), SLOT(playSpeedChanged(float)));
lbajardsilogic@127: 
lbajardsilogic@173: 	hopfactor = 1;
lbajardsilogic@79: }
lbajardsilogic@79: 
lbajardsilogic@79: TimeStretchFilter::~TimeStretchFilter()
lbajardsilogic@79: {
lbajardsilogic@173: 	hopfactor = 1;
lbajardsilogic@173: 
lbajardsilogic@137: 	emit playSpeedChanged(1);
lbajardsilogic@79: }
lbajardsilogic@79: 
lbajardsilogic@79: TimeStretchFilter::PropertyList TimeStretchFilter::getProperties() const
lbajardsilogic@79: {
lbajardsilogic@116: 	PropertyList list;
lbajardsilogic@116:     list.push_back("Time");
lbajardsilogic@116: 	list.push_back("Pitch");
lbajardsilogic@225: 	list.push_back("Enable");
lbajardsilogic@116: 	list.push_back("Transdetect");
lbajardsilogic@116: 	list.push_back("Peaklock");
benoitrigolleau@276: 	list.push_back("TimeFreeze");
lbajardsilogic@79:     return list;
lbajardsilogic@79: }
lbajardsilogic@79: 
lbajardsilogic@116: QString TimeStretchFilter::getPropertyLabel(const PropertyName &name) const
lbajardsilogic@116: {
lbajardsilogic@116:     if (name == "Time") return tr("Time");
lbajardsilogic@116: 	if (name == "Pitch") return tr("Pitch");
lbajardsilogic@223: 	//if (name == "Bypass") return tr("Bypass Processing");
lbajardsilogic@116: 	if (name == "Transdetect") return tr("Transient Detection");
lbajardsilogic@116: 	if (name == "Peaklock") return tr("Peak Locking");
benoitrigolleau@276: 	if (name == "TimeFreeze") return tr("Time Freeze");
lbajardsilogic@116:     return "";
lbajardsilogic@79: }
lbajardsilogic@79: 
lbajardsilogic@116: TimeStretchFilter::PropertyType TimeStretchFilter::getPropertyType(const PropertyName &name) const
lbajardsilogic@116: {
benoitrigolleau@276: 	if (name == "Time") return RangePropertyWithLabel;
benoitrigolleau@276: 	if (name == "Pitch") return RangePropertyWithLabel;
lbajardsilogic@225: 	if (name == "Enable") return InvalidProperty;
lbajardsilogic@116: 	if (name == "Transdetect") return ToggleProperty;
lbajardsilogic@116: 	if (name == "Peaklock") return ToggleProperty;
benoitrigolleau@276: 	if (name == "TimeFreeze") return ToggleProperty;
lbajardsilogic@116:     return InvalidProperty;
lbajardsilogic@116: }
lbajardsilogic@116: 
lbajardsilogic@116: int TimeStretchFilter::getPropertyRangeAndValue(const PropertyName &name,
lbajardsilogic@116:                                     int *min, int *max, int *deflt) const
lbajardsilogic@116: {
lbajardsilogic@116:     //!!! factor this colour handling stuff out into a colour manager class
lbajardsilogic@116: 	int val = 0;
lbajardsilogic@116: 
lbajardsilogic@116:     if (name == "Time") {
benoitrigolleau@276: 		if (min) *min = 50;
benoitrigolleau@276: 		if (max) *max = 200;
benoitrigolleau@276: 		if (deflt) *deflt = 100;
benoitrigolleau@276: 		val = hopfactor*100.0;
lbajardsilogic@116: 	}
lbajardsilogic@116: 
lbajardsilogic@116: 	if (name == "Pitch") {
benoitrigolleau@276: 		if (min) *min = 50;
benoitrigolleau@276: 		if (max) *max = 200;
benoitrigolleau@276: 		if (deflt) *deflt = 100;
benoitrigolleau@276: 		val = m_interpfactor*100.0;
lbajardsilogic@116: 	}
lbajardsilogic@116: 
lbajardsilogic@225: 	if (name == "Enable") {
lbajardsilogic@116:         if (deflt) *deflt = 0;
lbajardsilogic@225: 		val = (m_enabled ? 1 : 0);
lbajardsilogic@225:     }
lbajardsilogic@116: 
lbajardsilogic@116: 	if (name == "Transdetect") {
lbajardsilogic@116:         if (deflt) *deflt = 0;
lbajardsilogic@116: 		val = (m_transcheck ? 1 : 0);
lbajardsilogic@116:     }
lbajardsilogic@116: 
lbajardsilogic@116: 	if (name == "Peaklock") {
lbajardsilogic@116:         if (deflt) *deflt = 0;
lbajardsilogic@116: 		val = (m_peakcheck ? 1 : 0);
lbajardsilogic@116:     }
benoitrigolleau@276: 	if (name == "TimeFreeze") {
benoitrigolleau@276:         if (deflt) *deflt = 0;
benoitrigolleau@276: 		val = (m_freezecheck ? 1 : 0);
benoitrigolleau@276:     }
lbajardsilogic@116: #ifdef DEBUG_FILTERS
lbajardsilogic@116: 	std::cerr << "TimeStretchFilter::getPropertyRangeAndValue = " << val << std::endl;
lbajardsilogic@116: #endif
lbajardsilogic@116:     return val;
lbajardsilogic@116: }
lbajardsilogic@116: 
lbajardsilogic@116: QString TimeStretchFilter::getPropertyValueLabel(const PropertyName &name,
lbajardsilogic@116: 				    int value) const
lbajardsilogic@116: {
lbajardsilogic@116:     if (name == "Time") {
lbajardsilogic@116: 		if (value == -100) 
lbajardsilogic@116: 			return tr("Slow");
lbajardsilogic@116: 		if (value == 100)
lbajardsilogic@116: 			return tr("Fast");
lbajardsilogic@116: 	}
lbajardsilogic@116:     return tr("<unknown>");
lbajardsilogic@116: }
lbajardsilogic@116: 
lbajardsilogic@116: void TimeStretchFilter::setProperty(const PropertyName &name, int value)
lbajardsilogic@116: {
lbajardsilogic@116:     if (name == "Time") {
benoitrigolleau@276: 		hopfactor = ((float)value)/100.0;
lbajardsilogic@223: 		if (isEnabled())
lbajardsilogic@136: 			emit playSpeedChanged(hopfactor);
lbajardsilogic@127: 
lbajardsilogic@116: 	} else if (name == "Pitch") {
benoitrigolleau@276: 		m_interpfactor = ((float)value)/100.0;
lbajardsilogic@225: 	} else if (name == "Enable"){
lbajardsilogic@136: 		if (value > 0)
lbajardsilogic@136: 		{
lbajardsilogic@225: 			m_enabled = true;
lbajardsilogic@136: 		} else 
lbajardsilogic@136: 		{
lbajardsilogic@225: 			m_enabled = false;
lbajardsilogic@225: 			emit playSpeedChanged(hopfactor);
lbajardsilogic@225: 		}		
lbajardsilogic@225: 		emit propertyChanged("Enable");
lbajardsilogic@225: 	} else if (name == "Transdetect"){
lbajardsilogic@116: 		m_transcheck = (value > 0) ? true : false;
lbajardsilogic@116: 	} else if (name == "Peaklock"){
lbajardsilogic@116: 		m_peakcheck = (value > 0) ? true : false;
benoitrigolleau@276: 	} else if (name == "TimeFreeze"){
benoitrigolleau@280: 		freeze = (value > 0) ? true : false;
benoitrigolleau@276: 		m_freezecheck = (value > 0) ? true : false;
lbajardsilogic@116: 	}
lbajardsilogic@116: #ifdef DEBUG_FILTERS
lbajardsilogic@116: 	std::cerr << "TimeStretchFilter::hopfactor = " << hopfactor << std::endl;
lbajardsilogic@116: 	std::cerr << "TimeStretchFilter::m_interpfactor = " << m_interpfactor << std::endl;
lbajardsilogic@116: 	std::cerr << "TimeStretchFilter::m_hop = " << m_hop << std::endl;
lbajardsilogic@116: 	std::cerr << "TimeStretchFilter::skip = " << getRequiredSkipSamples() << std::endl;
lbajardsilogic@116: #endif
lbajardsilogic@116: }
lbajardsilogic@116: 
lbajardsilogic@223: void TimeStretchFilter::setFilterEnabled(bool b){
lbajardsilogic@223: 	m_enabled=b;
lbajardsilogic@116: 	
lbajardsilogic@223: 	if (m_enabled)
lbajardsilogic@223: 		emit playSpeedChanged(hopfactor);
lbajardsilogic@136: 	else 
lbajardsilogic@136: 		emit playSpeedChanged(1);
lbajardsilogic@223: 
lbajardsilogic@223: 	emit filterEnabled(m_enabled);
lbajardsilogic@136: }
lbajardsilogic@136: 
lbajardsilogic@136: void TimeStretchFilter::setFilterEnabled(int b){
lbajardsilogic@223: 	m_enabled=b;
lbajardsilogic@203: 	
lbajardsilogic@223: 	if (m_enabled)
lbajardsilogic@223: 		emit playSpeedChanged(hopfactor);
lbajardsilogic@136: 	else 
lbajardsilogic@136: 		emit playSpeedChanged(1);
lbajardsilogic@223: 
lbajardsilogic@223: 	emit filterEnabled(m_enabled);
lbajardsilogic@136: }
lbajardsilogic@203: 
lbajardsilogic@203: