private static void saveWaveStreamToMP3File(string fileNameToCreate, BackgroundWorker worker, Stream audioStream)
{
WaveStream waveStream = new WaveStream(audioStream); // read from stream
//before convert check for and add .mp3 file extention if nessary
string mp3FileName = fileNameToCreate;
if (Path.GetExtension(fileNameToCreate).ToLower() != ".mp3".ToLower())
{ mp3FileName += ".mp3"; }
// convert wav stream to mp3 stream then write
Mp3WriterConfig mp3Config = new Mp3WriterConfig(waveStream.Format);
try
{
Mp3Writer writer = new Mp3Writer(new FileStream(mp3FileName, FileMode.Create), mp3Config);
try
{
byte[] buff = new byte[writer.OptimalBufferSize];
int read = 0;
int actual = 0;
long total = waveStream.Length;
int progress;
try
{
while ((read = waveStream.Read(buff, 0, buff.Length)) > 0)
{
writer.Write(buff, 0, read);
actual += read;
progress = ((int)(((long)actual * 100) / total)) / 2 + 50; // divide by 2 and add 50 so only latter 50% will be used up
worker.ReportProgress(progress);
}
}
catch { }
}
catch { }
finally
{
writer.Close();
}
}
catch (Exception exception)
{
ExceptionHandler.ShowAndLogException(exception);
}
finally
{
waveStream.Close();
}
audioStream.Close(); // close audio stream
}
public static void Wav2Mp3(string InFile, string OutFile)
{
WaveStream InStr = new WaveStream(InFile);
Mp3WriterConfig m_Config = new Mp3WriterConfig(InStr.Format);
try
{
Mp3Writer writer = new Mp3Writer(new FileStream(OutFile, FileMode.Create), m_Config);
try
{
byte[] buff = new byte[writer.OptimalBufferSize];
int read = 0;
long total = InStr.Length;
while ((read = InStr.Read(buff, 0, buff.Length)) > 0)
{
writer.Write(buff, 0, read);
}
}
finally
{
writer.Close();
}
}
catch (Exception ex)
{
string path = MainForm.AppPath + "\\log";
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
File.AppendAllText(path+"\\log"+DateTime.Now.ToString("yyyy-MM-dd")+".txt",ex.Message+"\n\r");
}
finally
{
InStr.Close();
}
}
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);
}
}