benoitrigolleau@276: #include "LabelForTimeStrechFilter.h"
benoitrigolleau@276: #include "../sv/main/MainWindow.h"
benoitrigolleau@276: #include <cmath>
benoitrigolleau@276: 
benoitrigolleau@276: 
benoitrigolleau@276: LabelForTimeStrechFilter::LabelForTimeStrechFilter(QWidget *parent){
benoitrigolleau@276: 	m_audioSourceInfoModel=0;
benoitrigolleau@276: 	MainWindow *mainW = MainWindow::instance();
benoitrigolleau@276: 	connect(mainW, SIGNAL(addAudioSourceInfo(AudioSourceInfoModel *)),
benoitrigolleau@276: 		this, SLOT(audioSourceInfoAdded(AudioSourceInfoModel *)));
benoitrigolleau@276: 
benoitrigolleau@276: }
benoitrigolleau@276:    
benoitrigolleau@276: LabelForTimeStrechFilter::~LabelForTimeStrechFilter(){
benoitrigolleau@276: 
benoitrigolleau@276: }
benoitrigolleau@276: 
benoitrigolleau@276: void LabelForTimeStrechFilter::setType(int type){
benoitrigolleau@276: 	m_type = type;
benoitrigolleau@276: }
benoitrigolleau@276: 
benoitrigolleau@276: void LabelForTimeStrechFilter::setValue(int value){
benoitrigolleau@276: 	float val = (float)value;
benoitrigolleau@276: 	QString text;
benoitrigolleau@276: 
benoitrigolleau@276: 	if(m_type==0){
benoitrigolleau@276: 		text = "N/A";
benoitrigolleau@276: 		if(m_audioSourceInfoModel!=0){
benoitrigolleau@276: 			QStringList *list = m_audioSourceInfoModel->getInfo("bpm");
benoitrigolleau@276: 			if(list!=0 && list->size()>0){
benoitrigolleau@276: 				float tempo = list->at(0).toFloat();
benoitrigolleau@276: 				val = tempo*(val/100.0);
benoitrigolleau@276: 				text= QString::number((int)(val+0.5));
benoitrigolleau@276: 			}
benoitrigolleau@276: 		}
benoitrigolleau@276: 	}
benoitrigolleau@276: 	else if(m_type==1){
benoitrigolleau@276: 		val = (log(val/100.0)/log(2.0))/0.08333333;
benoitrigolleau@276: 		text = QString::number(val);
benoitrigolleau@276: 	}
benoitrigolleau@276: 
benoitrigolleau@276: 	QLabel::setText(text);
benoitrigolleau@276: 	m_oldValue = value;
benoitrigolleau@276: }
benoitrigolleau@276: 
benoitrigolleau@276: void LabelForTimeStrechFilter::audioSourceInfoAdded(AudioSourceInfoModel * audioModel){
benoitrigolleau@276: 	m_audioSourceInfoModel = audioModel;
benoitrigolleau@276: 	setValue(m_oldValue);
benoitrigolleau@276: }