public static void Export(string waveFileDirectoryName, string filenameFilter, string outputFilePath)
{
try
{
System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.WaitCursor;
var files = Directory.GetFiles(waveFileDirectoryName, filenameFilter);
// sort the files
var sorted = new SortedList <float, string>();
foreach (var file in files)
{
var fileFloat = -1f;
if (float.TryParse(Regex.Match(Path.GetFileName(file), @"^[0-9.]+").Value, out fileFloat))
{
sorted.Add(fileFloat, file);
}
}
// delete old version of the MP3 file
if (File.Exists(outputFilePath))
{
File.Delete(outputFilePath);
}
// if the file still exists, we can't continue
if (File.Exists(outputFilePath))
{
var msg = LocalizationManager.GetString(
"SessionsView.Transcription.TextAnnotation.ExportMenu.AudioExportFileLocked",
"Audio export failed because the selected output file already exists and is locked.");
throw new Exception(msg);
}
using (var tempFile = TempFile.WithExtension(".wav"))
{
// combine the chunks into a single wave file
CombineChunks(sorted.Values, tempFile.Path);
// convert to MP3
ConvertMediaDlg.Show(tempFile.Path, "Extract audio to mono mp3 audio file (low quality)", outputFilePath);
}
}
finally
{
System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.Default;
}
}
/// ------------------------------------------------------------------------------------
private void HandleConvertButtonClick(object sender, EventArgs e)
{
var index = _grid.CurrentCellAddress.Y;
var file = (index >= 0 && index < _files.Count() ? _files.ElementAt(index) : null);
if (file == null)
{
SystemSounds.Beep.Play();
return;
}
var outputFile = ConvertMediaDlg.Show(file.PathToAnnotatedFile, null);
if (outputFile != null && PostMenuCommandRefreshAction != null)
{
PostMenuCommandRefreshAction(outputFile);
}
}
