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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| #include "id3tag.h" | ||
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| ID3tag::ID3tag(QObject *parent) : QObject(parent) | ||
| { | ||
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| } | ||
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| ID3tag::~ID3tag() | ||
| { | ||
| delete fileN; | ||
| delete fileS; | ||
| delete fileImage; | ||
| delete dStreamS; | ||
| delete dStream; | ||
| // delete tStream; | ||
| } | ||
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| ID3tag::ID3tag(QString fileName) | ||
| { | ||
| mp3FileName=fileName; | ||
| mp3FileNameTmp=fileName+QString(".tmp"); | ||
| fileS=new QFile(mp3FileName); | ||
| fileS->open(QIODevice::ReadOnly); | ||
| fileN=new QFile(mp3FileNameTmp); | ||
| fileN->open(QIODevice::WriteOnly); | ||
| dStream=new QDataStream(fileN); | ||
| memset(&tagHeader,0,sizeof(tagHeader)); | ||
| memset(&titleHeader,0,sizeof(titleHeader)); | ||
| memset(&artistHeader,0,sizeof(artistHeader)); | ||
| memset(&albumHeader,0,sizeof(albumHeader)); | ||
| memset(&picHeader,0,sizeof(picHeader)); | ||
| tagHeader.identifier[0]='I'; | ||
| tagHeader.identifier[1]='D'; | ||
| tagHeader.identifier[2]='3'; | ||
| tagHeader.version[0]=0x03; | ||
| titleHeader.frameID[0]='T';titleHeader.frameID[1]='I';titleHeader.frameID[2]='T';titleHeader.frameID[3]='2'; | ||
| artistHeader.frameID[0]='T';artistHeader.frameID[1]='P';artistHeader.frameID[2]='E';artistHeader.frameID[3]='1'; | ||
| albumHeader.frameID[0]='T';albumHeader.frameID[1]='A';albumHeader.frameID[2]='L';albumHeader.frameID[3]='B'; | ||
| picHeader.frameID[0]='A';picHeader.frameID[1]='P';picHeader.frameID[2]='I';picHeader.frameID[3]='C'; | ||
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| //获取mp3音频内容 | ||
| dStreamS =new QDataStream(fileS); | ||
| dStreamS->readRawData((char*)&tagHeaderOld,10); | ||
| int oldHeaderSize=128*128*128*tagHeaderOld.size[0]+128*128*tagHeaderOld.size[1]+128*tagHeaderOld.size[2]+tagHeaderOld.size[3]; | ||
| fileS->seek(10+oldHeaderSize); | ||
| mp3File=fileS->readAll(); | ||
| } | ||
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| void ID3tag::setTitle(QString t) | ||
| { | ||
| title=t; | ||
| titleSize=2*sizeof(title)+3; | ||
| titleHeader.size[3]=titleSize; | ||
| } | ||
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| void ID3tag::setArtist(QString a) | ||
| { | ||
| artist=a; | ||
| artistSize=2*sizeof(a)+3; | ||
| artistHeader.size[3]=artistSize; | ||
| } | ||
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| void ID3tag::setAlbum(QString a) | ||
| { | ||
| album=a; | ||
| albumSize=2*sizeof(album)+3; | ||
| albumHeader.size[3]=albumSize; | ||
| } | ||
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| void ID3tag::setPic(QString imageFileName) | ||
| { | ||
| fileImage=new QFile(imageFileName); | ||
| fileImage->open(QIODevice::ReadOnly); | ||
| image=fileImage->readAll(); | ||
| memset(mimeInfo,0,14); | ||
| char tmp[14]={0x00,0x69,0x6D,0x61,0x67,0x65,0x2F,0x6A,0x70,0x65,0x67,0x00,0x03,0x00}; | ||
| memcpy(mimeInfo,tmp,14); | ||
| picSize=image.size()+14; | ||
| picHeader.size[0]=picSize/(256*256*256); | ||
| picHeader.size[1]=picSize%(256*256*256)/(256*256); | ||
| picHeader.size[2]=picSize%(256*256*256)%(256*256)/256; | ||
| picHeader.size[3]=picSize%(256*256*256)%(256*256)%256; | ||
| } | ||
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| void ID3tag::doJob() | ||
| { | ||
| uchar unicodeBom[3]={0x01,0xFF,0xFE}; | ||
| int size=40+titleSize+artistSize+albumSize+picSize; | ||
| tagHeader.size[0]=size/(128*128*128); | ||
| tagHeader.size[1]=size%(128*128*128)/(128*128); | ||
| tagHeader.size[2]=size%(128*128*128)%(128*128)/128; | ||
| tagHeader.size[3]=size%(128*128*128)%(128*128)%128; | ||
| dStream->writeRawData((char*)&tagHeader,10); | ||
| dStream->writeRawData((char*)&titleHeader,10); | ||
| dStream->writeRawData((char*)unicodeBom,3); | ||
| dStream->writeRawData((char*)title.data(),sizeof(title)*2); | ||
| dStream->writeRawData((char*)&artistHeader,10); | ||
| dStream->writeRawData((char*)unicodeBom,3); | ||
| dStream->writeRawData((char*)artist.data(),sizeof(artist)*2); | ||
| dStream->writeRawData((char*)&albumHeader,10); | ||
| dStream->writeRawData((char*)unicodeBom,3); | ||
| dStream->writeRawData((char*)album.data(),sizeof(album)*2); | ||
| dStream->writeRawData((char*)&picHeader,10); | ||
| dStream->writeRawData(mimeInfo,14); | ||
| dStream->writeRawData((char*)image.data(),image.size()); | ||
| dStream->writeRawData((char*)mp3File.data(),mp3File.size()); | ||
| fileImage->close(); | ||
| fileN->close(); | ||
| fileS->close(); | ||
| fileS->remove(); | ||
| fileN->rename(mp3FileName); | ||
| emit finished(); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| #ifndef ID3TAG_H | ||
| #define ID3TAG_H | ||
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| #include <QObject> | ||
| #include <QFile> | ||
| #include <QTextStream> | ||
| #include <QDataStream> | ||
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| typedef struct ID3HEADER{ | ||
| char identifier[3]; | ||
| char version[2]; | ||
| char flags; | ||
| char size[4]; | ||
| }id3Header; | ||
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| typedef struct FRAMEHEADER{ | ||
| char frameID[4]; | ||
| char size[4]; | ||
| char flags[2]; | ||
| }frameHeader; | ||
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| class ID3tag : public QObject | ||
| { | ||
| Q_OBJECT | ||
| private: | ||
| id3Header tagHeaderOld; | ||
| QString mp3FileName; | ||
| QString mp3FileNameTmp; | ||
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| id3Header tagHeader; | ||
| frameHeader titleHeader; | ||
| frameHeader artistHeader; | ||
| frameHeader albumHeader; | ||
| frameHeader picHeader; | ||
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| int titleSize; | ||
| int artistSize; | ||
| int albumSize; | ||
| int picSize; | ||
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| QString title; | ||
| QString artist; | ||
| QString album; | ||
| QByteArray image; | ||
| QByteArray mp3File; | ||
| char mimeInfo[14]; | ||
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| QFile *fileN; //新的的文件 | ||
| QFile *fileS; //原来的文件 | ||
| QFile *fileImage; | ||
| QDataStream *dStreamS; | ||
| QDataStream *dStream; | ||
| // QTextStream *tStream; | ||
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| public: | ||
| explicit ID3tag(QObject *parent = nullptr); | ||
| ID3tag(QString fileName); | ||
| ~ID3tag(); | ||
| void setTitle(QString t); | ||
| void setArtist(QString a); | ||
| void setAlbum(QString a); | ||
| void setPic(QString imageFileName); | ||
| void doJob(); | ||
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| signals: | ||
| processState(QString ); | ||
| finished(); | ||
| public slots: | ||
| }; | ||
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| #endif // ID3TAG_H |
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