解析MP3 ID3信息的QT应用

#include "testwindow.h" #include <QPainter> #include <QHBoxLayout> #include <QVBoxLayout> #include <QFileDialog> #include <QPainter> #include <QTimer> #include <QToolButton> #include <QApplication> #include <QLabel> #define CONTENT_WIDE 500 #define CONTENT_HIGH 20 #define LABLE_X_DEBIGN 40 #define CONTENT_Y_DEBIGN LABLE_X_DEBIGN #define CONTENT_Y_SPACE 20 #define CONTENT_X_DEBIGN LABLE_X_DEBIGN + 50 #define PIC_LENGTH 300 #define PIC_WIDETH 300 TestWindow::TestWindow(QWidget *parent) : QWidget(parent) { mOpenBtn=new QPushButton("open",this); mCloseBtn=new QPushButton("close",this); connect(mOpenBtn,SIGNAL(clicked()),this,SLOT( openFile() ) ); connect(mCloseBtn, SIGNAL(clicked()),this, SLOT(close())); //QHBoxLayout *btnLayout = new QHBoxLayout(this); //btnLayout->addStretch(); //btnLayout->addWidget(mOpenBtn); //btnLayout->addWidget(mCloseBtn); //mainLayout = new QHBoxLayout; mOpenBtn->setGeometry(QRect(700,400,50,20)); mCloseBtn->setGeometry(QRect(700,450,50,20)); //btnLayout->setGeometry(QRect(600,400,800,500)); //btnLayout->setContentsMargins(100,100,50,50); //mainLayout->addStretch(); //mainLayout->addLayout(btnLayout); //setLayout(mainLayout); setWindowTitle(tr("jpeg image test")); //this->setContentsMargins(100,100,50,50); Title_lable.setParent(this); Title_content.setParent(this); Title_lable.setText("Title: "); Title_lable.setGeometry(LABLE_X_DEBIGN, CONTENT_Y_DEBIGN, CONTENT_WIDE, CONTENT_HIGH); Title_content.setGeometry(CONTENT_X_DEBIGN, CONTENT_Y_DEBIGN, CONTENT_WIDE, CONTENT_HIGH); Album_lable.setParent(this); Album_content.setParent(this); Album_lable.setText("Album: "); Album_lable.setGeometry(LABLE_X_DEBIGN, CONTENT_Y_DEBIGN + CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Album_content.setGeometry(CONTENT_X_DEBIGN, CONTENT_Y_DEBIGN+CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Artist_lable.setParent(this); Artist_content.setParent(this); Artist_lable.setText("Artist: "); Artist_lable.setGeometry(LABLE_X_DEBIGN, CONTENT_Y_DEBIGN+2*CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Artist_content.setGeometry(CONTENT_X_DEBIGN, CONTENT_Y_DEBIGN+2*CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Year_lable.setParent(this); Year_content.setParent(this); Year_lable.setText("Year: "); Year_lable.setGeometry(LABLE_X_DEBIGN, CONTENT_Y_DEBIGN+3*CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Year_content.setGeometry(CONTENT_X_DEBIGN, CONTENT_Y_DEBIGN+3*CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Date_lable.setParent(this); Date_content.setParent(this); Date_lable.setText("Date: "); Date_lable.setGeometry(LABLE_X_DEBIGN, CONTENT_Y_DEBIGN+4*CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Date_content.setGeometry(CONTENT_X_DEBIGN, CONTENT_Y_DEBIGN+4*CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Time_lable.setParent(this); Time_content.setParent(this); Time_lable.setText("Time: "); Time_lable.setGeometry(LABLE_X_DEBIGN, CONTENT_Y_DEBIGN+5*CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Time_content.setGeometry(CONTENT_X_DEBIGN, CONTENT_Y_DEBIGN+5*CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Genre_lable.setParent(this); Genre_content.setParent(this); Genre_lable.setText("Genre: "); Genre_lable.setGeometry(LABLE_X_DEBIGN, CONTENT_Y_DEBIGN+6*CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Genre_content.setGeometry(CONTENT_X_DEBIGN, CONTENT_Y_DEBIGN+6*CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Length_lable.setParent(this); Length_content.setParent(this); Length_lable.setText("Length: "); Length_lable.setGeometry(LABLE_X_DEBIGN, CONTENT_Y_DEBIGN+7*CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Length_content.setGeometry(CONTENT_X_DEBIGN, CONTENT_Y_DEBIGN+7*CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Size_lable.setParent(this); Size_content.setParent(this); Size_lable.setText("Size: "); Size_lable.setGeometry(LABLE_X_DEBIGN, CONTENT_Y_DEBIGN+8*CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Size_content.setGeometry(CONTENT_X_DEBIGN, CONTENT_Y_DEBIGN+8*CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Track_lable.setParent(this); Track_content.setParent(this); Track_lable.setText("Track: "); Track_lable.setGeometry(LABLE_X_DEBIGN, CONTENT_Y_DEBIGN+9*CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Track_content.setGeometry(CONTENT_X_DEBIGN, CONTENT_Y_DEBIGN+9*CONTENT_Y_SPACE, CONTENT_WIDE, CONTENT_HIGH); Comment_lable.setParent(this); Comment_content.setParent(this); Comment_content.setWordWrap(TRUE); Comment_lable.setText("Comment: "); Comment_lable.setGeometry(LABLE_X_DEBIGN, CONTENT_Y_DEBIGN+10*CONTENT_Y_SPACE, CONTENT_WIDE,CONTENT_HIGH); Comment_content.setGeometry(CONTENT_X_DEBIGN, CONTENT_Y_DEBIGN+10*CONTENT_Y_SPACE, CONTENT_WIDE, 8*CONTENT_HIGH); Pic_lable.setParent(this); Pic_content.setParent(this); Pic_lable.setText("Picture: "); Pic_lable.setGeometry(LABLE_X_DEBIGN+500, CONTENT_Y_DEBIGN, CONTENT_WIDE, CONTENT_HIGH); Pic_content.setGeometry(CONTENT_X_DEBIGN+500, CONTENT_Y_DEBIGN+CONTENT_Y_SPACE, PIC_LENGTH, PIC_WIDETH); } void TestWindow::setTextCode(ID3_ENCODING_e encoding) { if(encoding == ISO_8859_1) { code=QTextCodec::codecForName("GB2312"); } else if(encoding == UTF8) { code=QTextCodec::codecForName("UTF-8"); } else if(encoding == UTF16LE) { code=QTextCodec::codecForName("UTF-16LE"); } else if(encoding == UTF16BE) { code=QTextCodec::codecForName("UTF-16BE"); } QTextCodec::setCodecForLocale(code); QTextCodec::setCodecForCStrings(code); QTextCodec::setCodecForTr(code); } void TestWindow::openFile() { fileName = QFileDialog::getOpenFileName(this, tr("Open Image"), "."/*, tr("Spreadsheet files (*.jpg)")*/); if (!fileName.isEmpty()){ if(fileName.contains(".jpg", Qt::CaseInsensitive) || fileName.contains(".jpeg", Qt::CaseInsensitive)) { mPixmap.load(fileName); update(); } else if(fileName.contains(".mp3", Qt::CaseInsensitive)) { //QFileInfo fFile; QImage mp3image; ID3V2_FRAME_CONTENT_t *title; ID3V2_FRAME_CONTENT_t *artist; ID3V2_FRAME_CONTENT_t *album; ID3V2_FRAME_CONTENT_t *year; ID3V2_FRAME_CONTENT_t *date; ID3V2_FRAME_CONTENT_t *time; ID3V2_GENRE_FRAME_CONTENT_t *genre; ID3V2_PIC_FRAME_CONTENT_t *picture; ID3V2_FRAME_CONTENT_t *length; ID3V2_FRAME_CONTENT_t *size; ID3V2_FRAME_CONTENT_t *track; ID3V2_FRAME_CONTENT_t *comment; ID3_VERSION_e id3_ver; //lable1->setText("jacky"); //label.setGeometry( 40, 40, 80, 40 ); //QLabel *lbl=new QLabel(QLabel::trUtf8("这是一段测试文本-测试QLabel的具体使用方法")); GetID3Tag_FromFile(fileName.toUtf8().data(),2); title = GetID3Tag_Title(); artist = GetID3Tag_Artist(); album = GetID3Tag_Album(); year = GetID3Tag_Year(); date = GetID3Tag_Date(); genre = GetID3Tag_Genre(); comment = GetID3Tag_Comment(); time = GetID3Tag_Time(); length = GetID3Tag_Length(); size = GetID3Tag_Size(); picture = GetID3Tag_Picture(); track = GetID3Tag_Track(); id3_ver = GetID3Tag_TagVersion(); if(picture->dataflag == 1) { GetID3Tag_SavePic("./pic.jpg"); picdata.loadFromData((const uchar *)picture->pic_header.pic_data,picture->pic_header.data_len); Pic_content.setPixmap(picdata); } if(title->dataflag)