private void buttonCompress_Click(object sender, System.EventArgs e)
{
if (File.Exists(textBoxOutFile.Text) && (MessageBox.Show(this, "Override the existing file?", "File exists", MessageBoxButtons.YesNo, MessageBoxIcon.Question) != DialogResult.Yes))
{
return;
}
try
{
progressBar.Value = 0;
toolTip1.SetToolTip(progressBar, "");
this.Text = "Audio Compress";
Compressing = true;
try
{
RefreshControls();
WaveStream InStr = new WaveStream(textBoxInFile.Text);
try
{
Mp3Writer writer = new Mp3Writer(new FileStream(textBoxOutFile.Text, FileMode.Create), m_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;
progressBar.Value = (int)(((long)actual * 100) / total);
toolTip1.SetToolTip(progressBar, string.Format("{0}% compresssed", progressBar.Value));
this.Text = string.Format("Audio Compress - {0}% compresssed", progressBar.Value);
Application.DoEvents();
}
toolTip1.SetToolTip(progressBar, "Done");
this.Text = "Audio Compress - Done";
}
finally
{
Cursor.Current = Cursors.Default;
}
}
finally
{
writer.Close();
}
}
finally
{
InStr.Close();
}
}
finally
{
Compressing = false;
RefreshControls();
}
}
catch (Exception ex)
{
MessageBox.Show(this, ex.Message, "An exception has ocurred with the following message", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public static void WmaToMp3(Stream wmaInputStream, Stream outputStream, Mp3WriterConfig mp3Format, int bufferMultiplier)
{
WmaToMp3Delegate convert = wmaStream =>
{
var writer = new Mp3Writer(outputStream,
mp3Format ?? new Mp3WriterConfig(wmaStream.Format, new BE_CONFIG(wmaStream.Format)));
var buffer = new byte[writer.OptimalBufferSize*bufferMultiplier];
WriteToStream(writer, wmaStream, buffer);
};
var tempStream = wmaInputStream as WmaStreamReader;
if (tempStream != null)
{
convert(tempStream);
}
else
{
using (var wmaStream = new WmaStreamReader(wmaInputStream))
{
convert(wmaStream);
}
}
}
