/// <summary>
/// Reads tags from a File.
/// </summary>
public static TagReader Read(string FileName)
{
Bass.Init();
var h = Bass.CreateStream(FileName, Flags: BassFlags.Prescan);
TagReader result = null;
if (h != 0)
{
result = Read(h);
Bass.StreamFree(h);
}
else
{
h = Bass.MusicLoad(FileName, Flags: BassFlags.Prescan);
if (h != 0)
{
result = Read(h);
Bass.MusicFree(h);
}
}
if (!string.IsNullOrWhiteSpace(result?.Title))
result.Title = System.IO.Path.GetFileNameWithoutExtension(FileName);
return result;
}
/// <summary>
/// Reads tags from a <paramref name="Channel"/>.
/// </summary>
public static TagReader Read(int Channel)
{
var result = new TagReader();
var info = Bass.ChannelGetInfo(Channel);
switch (info.ChannelType)
{
case ChannelType.MP1:
case ChannelType.MP2:
case ChannelType.MP3:
if (result.ReadID3v2(Channel)) { }
else if (result.ReadID3v1(Channel)) { }
else if (result.ReadApe(Channel)) { }
else if (result.ReadBWF(Channel)) { }
break;
case ChannelType.OGG:
if (result.ReadOgg(Channel)) { }
else if (result.ReadApe(Channel)) { }
break;
case ChannelType.MP4:
case ChannelType.AAC:
if (result.ReadMp4(Channel)) { }
else if (result.ReadID3v2(Channel)) { }
else if (result.ReadApe(Channel)) { }
else if (result.ReadOgg(Channel)) { }
break;
case ChannelType.Wave:
case ChannelType.WavePCM:
case ChannelType.WaveFloat:
if (result.ReadRiffInfo(Channel)) { }
else if (result.ReadBWF(Channel)) { }
else if (result.ReadID3v2(Channel)) { }
break;
case ChannelType.DSD:
result.Title = Marshal.PtrToStringAnsi(Bass.ChannelGetTags(Channel, TagType.DSDTitle));
result.Artist = Marshal.PtrToStringAnsi(Bass.ChannelGetTags(Channel, TagType.DSDArtist));
break;
case ChannelType.MOD:
result.Title = Marshal.PtrToStringAnsi(Bass.ChannelGetTags(Channel, TagType.MusicName));
result.Artist = Marshal.PtrToStringAnsi(Bass.ChannelGetTags(Channel, TagType.MusicAuth));
result.Comment = Marshal.PtrToStringAnsi(Bass.ChannelGetTags(Channel, TagType.MusicMessage));
break;
default:
if (result.ReadApe(Channel)) { }
else if (result.ReadOgg(Channel)) { }
else if (result.ReadID3v2(Channel)) { }
else if (result.ReadID3v1(Channel)) { }
break;
}
if (string.IsNullOrWhiteSpace(result.Lyrics))
{
var ptr = Bass.ChannelGetTags(Channel, TagType.Lyrics3v2);
if (ptr != IntPtr.Zero)
result.Lyrics = Marshal.PtrToStringAnsi(ptr);
}
return result;
}
