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/******************************************************************
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Copyright © Deng Zhimao Co., Ltd. 1990-2030. All rights reserved.
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* @projectName music
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* @brief playListModel.h
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* @author Deng Zhimao
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* @email 1252699831@qq.com
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* @date 2020-06-05
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*******************************************************************/
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#ifndef PLAYLISTMODEL_H
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#define PLAYLISTMODEL_H
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#include <QAbstractListModel>
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#include <QAudioDecoder>
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#include <QAudioDeviceInfo>
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#include <QDebug>
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#include <QUrl>
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#include "stdlib.h"
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#include "stdio.h"
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#include <QDebug>
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#include <QImage>
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#include <QMap>
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#include <QTextCodec>
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#include <QString>
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#include <QFile>
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#include <QUrl>
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using namespace std;
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#define MAX_PATH 1024
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typedef struct ID3V2FrameH
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{
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char frameID[4]; //存放标签格式，是否为id3v2
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unsigned char size[4]; //存放标签数据的大小
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char flags[2];
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}ID3V2FH;
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typedef struct MP3INFO
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{
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QString Url; //存放这首歌的详细地址
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QString Name; //歌名 TIT2
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QString Album; //专辑 TALB
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QString Singer; //歌手 TPE1
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QString Picture_url; //歌曲图片存放路径
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QString Picture_type; //图片类型 jpg,png
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int number; //歌曲编号
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int beginNum; //图片起始位置
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int lenth; //图片数据长度
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bool pic_flag; //是否有图片
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}MP3INFO;
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typedef struct frameIDStruct
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{
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int beginNum;
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int endNum;
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QString FrameId;
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}frameIDStruct;
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class song {
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public:
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explicit song(QUrl path, QString title, QString author);
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QString getauthor() const;
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QString gettitle() const;
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QUrl getpath() const;
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void setauthor(QString author);
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void settitle(QString title);
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private:
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QString m_author, m_title;
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QUrl m_path;
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};
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class playListModel : public QAbstractListModel
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{
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Q_OBJECT
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public:
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explicit playListModel(QObject *parent = 0);
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int currentIndex() const;
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int rowCount(const QModelIndex & parent = QModelIndex()) const;
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QVariant data(const QModelIndex & index, int role = Qt::DisplayRole) const;
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Q_INVOKABLE int randomIndex();
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Q_INVOKABLE QString getcurrentTitle() const;
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Q_INVOKABLE QString getcurrentAuthor() const;
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Q_INVOKABLE QUrl getcurrentPath() const;
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Q_INVOKABLE void add(/*QList<QUrl> paths*/QString paths);
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Q_INVOKABLE void move(int from, int to);
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Q_INVOKABLE void remove(int first, int last);
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Q_INVOKABLE void setCurrentTitle(QString title);
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Q_INVOKABLE void setCurrentAuthor(QString author);
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Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentIndexChanged)
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void setCurrentIndex(const int & i);
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// mp3信息
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FILE *fp;
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QString m_url;
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unsigned char Header[3];
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unsigned char FrameId[4]; //存放帧标识
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unsigned char Header_size[4];
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unsigned int mp3_TagSize;
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unsigned char frameSize[4]; //存放该帧内容的大小
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unsigned int framecount; //计算出帧内容的大小
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void GetMp3IDV2(const wchar_t *url);
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MP3INFO GetAllInfo(const wchar_t *url, int songNumber, int imageId);
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void GetPicture(MP3INFO *mp3info);
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void GetFrameId();
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QString GetInfo(QString fId);
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QMap<QString,frameIDStruct> m_IDmap;
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FILE* wfopen(const wchar_t* filename, const wchar_t* mode);
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enum songRole {
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pathRole = Qt::UserRole + 1,
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titleRole,
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authorRole,
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};
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signals:
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void currentIndexChanged();
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public slots:
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private:
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QHash<int, QByteArray> roleNames() const;
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void addSong(QUrl path, QString title, QString author/*QString path, QString title, QString author*/);
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wchar_t *to_wchar(const char *pSrc);
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int m_currentIndex;
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QList<song> playListData;
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QString artistDir;
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};
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#endif // PLAYLISTMODEL_H
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