public MusicFile MN_OpenMusicFile()
{
string filePath = "";
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.InitialDirectory = MainWindow.tree5_sel.mediaPath;
openFileDialog1.Multiselect = false;
openFileDialog1.Filter = "mp3文件|*.mp3";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
filePath = openFileDialog1.FileName;
Mp3Info info = Mp3FileInfo.GetMp3FileInfo(filePath);
title newmedia = new title()
{
date = DateTime.Now.ToString(),
title_name = info.Title,
context = filePath
};
MainWindow.tree5_sel.media.Add(newmedia);
if (File.Exists(MainWindow.tree5_sel.mediaPath + "\\" + openFileDialog1.SafeFileName) == false)
{
ThreadPool.QueueUserWorkItem(status => copy_files.AddiDissertationMedia(openFileDialog1.FileName, MainWindow.tree5_sel.mediaPath + "\\" + openFileDialog1.SafeFileName));
}
if (true)//MainWindow.CurIsIdissertation)
{
filePath = MainWindow.tree5_sel.href + "\\dialogs\\music\\" + openFileDialog1.SafeFileName;
File.Copy(openFileDialog1.FileName, filePath, true);
}
else
{
filePath = openFileDialog1.FileName;
}
MusicFile mf = new MusicFile()
{
FileName = info.Title,
FilePath = filePath,
AlbumTitle = info.Album,
Author = info.Artist
};
return(mf);
}
return(null);
}
/// <summary>
/// 获取MP3歌曲的相关信息
/// </summary>
/// <param name = "Info">从MP3文件中截取的二进制信息</param>
/// <returns>返回一个Mp3Info结构</returns>
public static Mp3Info getMp3Info(byte[] Info)
{
Mp3Info mp3Info = new Mp3Info();
string str = null;
int i;
int position = 0; //循环的起始值
int currentIndex = 0; //Info的当前索引值
//获取TAG标识
for (i = currentIndex; i < currentIndex + 3; i++)
{
str = str + (char)Info[i];
position++;
}
currentIndex = position;
mp3Info.identify = str;
//获取歌名
str = null;
byte[] bytTitle = new byte[30];//将歌名部分读到一个单独的数组中
int j = 0;
for (i = currentIndex; i < currentIndex + 30; i++)
{
bytTitle[j] = Info[i];
position++;
j++;
}
currentIndex = position;
mp3Info.Title = Mp3FileInfo.byteToString(bytTitle);
//获取歌手名
str = null;
j = 0;
byte[] bytArtist = new byte[30];//将歌手名部分读到一个单独的数组中
for (i = currentIndex; i < currentIndex + 30; i++)
{
bytArtist[j] = Info[i];
position++;
j++;
}
currentIndex = position;
mp3Info.Artist = Mp3FileInfo.byteToString(bytArtist);
//获取唱片名
str = null;
j = 0;
byte[] bytAlbum = new byte[30];//将唱片名部分读到一个单独的数组中
for (i = currentIndex; i < currentIndex + 30; i++)
{
bytAlbum[j] = Info[i];
position++;
j++;
}
currentIndex = position;
mp3Info.Album = Mp3FileInfo.byteToString(bytAlbum);
//获取年
str = null;
j = 0;
byte[] bytYear = new byte[4];//将年部分读到一个单独的数组中
for (i = currentIndex; i < currentIndex + 4; i++)
{
bytYear[j] = Info[i];
position++;
j++;
}
currentIndex = position;
mp3Info.Year = Mp3FileInfo.byteToString(bytYear);
//获取注释
str = null;
j = 0;
byte[] bytComment = new byte[28];//将注释部分读到一个单独的数组中
for (i = currentIndex; i < currentIndex + 25; i++)
{
bytComment[j] = Info[i];
position++;
j++;
}
currentIndex = position;
mp3Info.Comment = Mp3FileInfo.byteToString(bytComment);
//以下获取保留位
mp3Info.reserved1 = (char)Info[++position];
mp3Info.reserved2 = (char)Info[++position];
mp3Info.reserved3 = (char)Info[++position];
return(mp3Info);
}
