public static byte[] WavToMP3(byte[] wavFile)
{
using (MemoryStream source = new MemoryStream(wavFile))
using (WaveFileReader rdr = new WaveFileReader(source))
{
WaveLib.WaveFormat fmt = new WaveLib.WaveFormat(rdr.WaveFormat.SampleRate, rdr.WaveFormat.BitsPerSample, rdr.WaveFormat.Channels);
// convert to MP3 at 96kbit/sec...
Yeti.Lame.BE_CONFIG conf = new Yeti.Lame.BE_CONFIG(fmt, 96);
// Allocate a 1-second buffer
int blen = rdr.WaveFormat.AverageBytesPerSecond;
byte[] buffer = new byte[blen];
// Do conversion
using (MemoryStream output = new MemoryStream())
{
Yeti.MMedia.Mp3.Mp3Writer mp3 = new Yeti.MMedia.Mp3.Mp3Writer(output, fmt, conf);
int readCount;
while ((readCount = rdr.Read(buffer, 0, blen)) > 0)
{
mp3.Write(buffer, 0, readCount);
}
mp3.Close();
return(output.ToArray());
}
}
}
private void compress(string inputFile, string outputFile)
{
try
{
WaveLib.WaveFormat format = new WaveLib.WaveFormat(16000, 16, 1);
/////////////////////////////////////////////////////
Yeti.Lame.BE_CONFIG cfg = new Yeti.Lame.BE_CONFIG(format, 80);
cfg.format.lhv1.bCopyright = 1;
cfg.format.lhv1.bCRC = 0;
cfg.format.lhv1.bOriginal = 1;
cfg.format.lhv1.bPrivate = 1;
cfg.format.lhv1.bEnableVBR = 0;
///////////////////////////////////////////////////////
Mp3WriterConfig config = new Mp3WriterConfig(format, cfg);
bool Compressing = true;
try
{
WaveStream InStr = new WaveStream(inputFile);
try
{
Mp3Writer writer = new Mp3Writer(new FileStream(outputFile, FileMode.Create), config);
try
{
byte[] buff = new byte[writer.OptimalBufferSize];
int read = 0;
int actual = 0;
long total = InStr.Length;
Cursor.Current = Cursors.WaitCursor;
try
{
while ((read = InStr.Read(buff, 0, buff.Length)) > 0)
{
Application.DoEvents();
writer.Write(buff, 0, read);
actual += read;
Application.DoEvents();
}
}
finally
{
Cursor.Current = Cursors.Default;
}
}
finally
{
writer.Close();
}
}
finally
{
InStr.Close();
}
}
finally
{
Compressing = false;
}
}
catch (Exception ex)
{
MessageBox.Show(this, ex.Message, "An exception has ocurred with the following message", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
