/// <summary>
/// 从文件获得歌词信息
/// </summary>
/// <param name="LrcPath">歌词路径</param>
/// <returns>返回歌词信息(Lrc实例)</returns>
public static Lrc InitLrc(string LrcPath)
{
Lrc lrc = new Lrc();
Dictionary <double, string> dicword = new Dictionary <double, string>();
using (FileStream fs = new FileStream(LrcPath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
string line;
using (StreamReader sr = new StreamReader(fs, Encoding.UTF8))
{
while ((line = sr.ReadLine()) != null)
{
if (line.StartsWith("[ti:"))
{
lrc.Title = SplitInfo(line);
}
else if (line.StartsWith("[ar:"))
{
lrc.Artist = SplitInfo(line);
}
else if (line.StartsWith("[al:"))
{
lrc.Album = SplitInfo(line);
}
else if (line.StartsWith("[by:"))
{
lrc.LrcBy = SplitInfo(line);
}
else if (line.StartsWith("[offset:"))
{
lrc.Offset = SplitInfo(line);
}
else
{
try
{
Regex regexword = new Regex(@".*\](.*)");
Match mcw = regexword.Match(line);
string word = mcw.Groups[1].Value;
Regex regextime = new Regex(@"\[([0-9.:]*)\]", RegexOptions.Compiled);
MatchCollection mct = regextime.Matches(line);
foreach (Match item in mct)
{
double time = TimeSpan.Parse("00:" + item.Groups[1].Value).TotalMilliseconds;
dicword.Add(time, word);
}
}
catch
{
continue;
}
}
}
}
}
lrc.LrcWord = dicword.OrderBy(t => t.Key).ToDictionary(t => t.Key, p => p.Value);
return(lrc);
}
/// <summary>
/// 更改封面和歌词
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ChangeCoverAndLyric()
{
DispatchService.Invoke(async() =>
{
if (mySongList.Count > 0 && listViewSongList.SelectedIndex >= 0)
{
if (IsApiUsing)
{
var path = GetCover(mySongList[listViewSongList.SelectedIndex].apid);
if (!string.IsNullOrEmpty(path))
{
path += "?param=500x500";
bi = await GetNewImageAsync(new Uri(path));
}
else
{
bi = new BitmapImage(new Uri("pack://application:,,,/images/default_cover.jpg", UriKind.Absolute));
}
//获取封面的同时更新歌手信息
playerInfo.Artist = mySongList[listViewSongList.SelectedIndex].artist;
}
else
{
string path = mySongList[listViewSongList.SelectedIndex].path;
string lrcPath = path.Replace(".mp3", ".lrc");
bi = GetImageFromMp3(path);
//尝试获取本地歌词并显示
if (File.Exists(lrcPath))
{
haveLyric = true;
lrc = Lrc.InitLrc(path.Replace(".mp3", ".lrc"));
}
else
{
haveLyric = false;
}
DoShowLrc("");
}
AlbumSlideEffect();
}
});
}
/// <summary>
/// 刷新歌词
/// </summary>
/// <param name="ts"></param>
public void FreshLyric(TimeSpan ts, Lrc lrc)
{
var lrcs = from n in lrc.LrcWord
where n.Key <= ts.TotalMilliseconds
select n.Value;
if (lrcs.Count() > 0)
{
if (currentLrc == lrcs.Last())
{
return;
}
else
{
currentLrc = lrcs.Last();
}
if (DoShowLrc != null)
{
this.Dispatcher.Invoke(() => DoShowLrc(currentLrc));
}
}
}
public string GetCover(string songId)
{
try
{
string detailjson = MusicApi.Detail(songId);
if (string.IsNullOrEmpty(detailjson))
{
haveLyric = false; return(null);
}
var detailjsonObj = JsonConvert.DeserializeObject <dynamic>(detailjson);
if (detailjsonObj == null)
{
haveLyric = false; return(null);
}
var artists = detailjsonObj.songs[0].artists;
var album = detailjsonObj.songs[0].album.name;
string duration = detailjsonObj.songs[0].duration;
if (duration != null)
{
try
{
TimeSpan ts = TimeSpan.FromMilliseconds(double.Parse(duration));
MaxLength = ts.TotalSeconds;
txtTotalSeconds.Text = TimeSpanToDateTime(ts);
}
catch { }
}
if (album != null)
{
playerInfo.Album = album;
}
//获取歌词
string lyricjson = MusicApi.Lyric(songId);
var lyricjsonObj = JsonConvert.DeserializeObject <dynamic>(lyricjson);
string lyric = string.Empty;
if (lyricjsonObj != null && lyricjsonObj.nolyric == null && lyricjsonObj.uncollected == null)
{
lyric = lrcTemp = lyricjsonObj.lrc.lyric;
}
else
{
lyric = lrcTemp = string.Empty;
}
List <string> listArtists = new List <string>();
if (artists != null)
{
foreach (var item in artists)
{
listArtists.Add((string)item.name);
}
string strArtists = string.Join("/", listArtists);
mySongList[listViewSongList.SelectedIndex].artist = strArtists;
}
else
{
mySongList[listViewSongList.SelectedIndex].artist = "未知";
}
//mySongList[listViewSongList.SelectedIndex].lyric = lyric;
if (!string.IsNullOrEmpty(lyric))
{
//byte[] array = Lrc.ByteArrayCut(Encoding.Default.GetBytes(lyric), 0x3f);
//将默认编码转到Unicode
byte[] arraydefalut = Encoding.UTF8.GetBytes(lyric);
byte[] arrayunicode = Encoding.Convert(Encoding.UTF8, Encoding.Unicode, arraydefalut);
MemoryStream stream = new MemoryStream(arrayunicode);
lrc = Lrc.InitLrc(stream);
haveLyric = true;
//有歌词
DoShowLrc("");
}
else
{
haveLyric = false;
DoShowLrc("没有歌词");
}
return(detailjsonObj.songs[0].album.picUrl);
}
catch (Exception)
{
haveLyric = false;
DoShowLrc("歌词获取失败");
return(string.Empty);
}
}