// Create an in-memory MP3 file with the supplied ID3v2 tag, then read the tag back from the MP3 file
private static ID3TagData GetTagAsWritten(ID3TagData tag)
{
var waveFormat = new WaveFormat();
using (var ms = new MemoryStream())
{
using (var writer = new LameMP3FileWriter(ms, waveFormat, LAMEPreset.STANDARD, tag))
{
byte[] empty = new byte[8192];
writer.Write(empty, 0, 8192);
writer.Flush();
}
ms.Position = 0;
return(ID3Decoder.Decode(ReadID3v2Tag(ms)));
}
}
/// <summary>Convert WAV file to MP3 using libmp3lame library, setting ID3 tag</summary>
/// <param name="waveFileName">Filename of WAV file to convert</param>
/// <param name="mp3FileName">Filename to save to</param>
/// <param name="tag">ID3 tag data to insert into file</param>
/// <param name="bitRate">MP3 bitrate in kbps, defaults to 128kbps</param>
/// <remarks>Uses NAudio to read, can read any file compatible with <see cref="NAudio.Wave.AudioFileReader"/></remarks>
public static void WaveToMP3(string waveFileName, string mp3FileName, ID3TagData tag, int bitRate = 128)
{
byte[] tagBytes = null;
using (var reader = new AudioFileReader(waveFileName))
using (var writer = new LameMP3FileWriter(mp3FileName, reader.WaveFormat, 128, tag))
{
reader.CopyTo(writer);
tagBytes = writer.GetID3v2TagBytes();
}
if (tagBytes != null)
{
var dectag = ID3Decoder.Decode(tagBytes);
}
}