#include "widget.h"
#include "ui_widget.h"

Widget::Widget(QWidget *parent) :
 QWidget(parent),
 ui(new Ui::Widget)
{
 ui->setupUi(this);
 QPalette pal = palette();
 pal.setBrush(QPalette::Base, Qt::transparent);
 setPalette(pal);
 setAttribute(Qt::WA_TranslucentBackground, true);
}

Widget::~Widget()
{
 delete ui;
}

void Widget::init()
{
 vi_1=Link::create("InputVi");
 QVariantMap dataVi_1;
 dataVi_1["interface"]=Link::getConfig()["interfaceV"].toMap().firstKey();
 vi_1->start(dataVi_1);

 if(Link::getConfig()["interfaceV"].toMap().keys().count()>1)
 {
 //如果有第二个视频输入口就用
 vi_2=Link::create("InputVi");
 QVariantMap dataVi_2;
 dataVi_2["interface"]=Link::getConfig()["interfaceV"].toMap().keys()[1];
 vi_2->start(dataVi_2);
 }
 else
 {
 //否则,将第一路视频裁剪放大,充当第二路视频
 vi_2=Link::create("Crop");
 QVariantMap crop;
 crop["x"]=0.25;
 crop["y"]=0.25;
 crop["width"]=0.5;
 crop["height"]=0.5;
 crop["pass"]=false;
 vi_2->start(crop);
 vi_1->linkV(vi_2);
 }


 mixV=Link::create("MixV");
 QVariantMap dataMixV;
 QVariantList srcs;
 QVariantList layouts;
 QVariantMap lay;
 lay["x"]=0;
 lay["y"]=0;
 lay["w"]=0.6;
 lay["h"]=0.6;
 lay["a"]=1;
 lay["index"]=0;
 layouts<<lay;
 lay["x"]=0.4;
 lay["y"]=0.4;
 lay["index"]=1;
 layouts<<lay;
 dataMixV["layout"]=layouts;
 srcs<<vi_1->name()<<vi_2->name();
 dataMixV["src"]=srcs;
 mixV->start(dataMixV);

 vi_1->linkV(mixV);
 vi_2->linkV(mixV)->linkV(vo);

}

void Widget::on_pushButton_clicked()
{
 QVariantList list;
 list<<vi_1->name()<<vi_2->name();
 mixV->invoke("swap",list);
}