private void BtnSave_Click(object sender, EventArgs e)
{
if (!_usingCustomPath && File.Exists(saveLocation.Text) &&
MessageBox.Show("A file with the same name exists, overwrite?", "File exists", MessageBoxButtons.YesNo,
MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2) == DialogResult.No)
{
return;
}
btnSave.Enabled = false;
var tag = new ID3TagData
{
Title = _title.Text.Trim(),
Artist = _speaker.Text.Trim(),
Album = _series.Text.Trim(),
Year = $"{Recorder.StartTime.Year:#0000}{Recorder.StartTime.Month:#00}{Recorder.StartTime.Day:#00}",
Comment = _passage.Text,
AlbumArtist = _service.Text.Trim(),
Genre = "swec.org.au"
};
TaskbarManager.Instance.SetProgressState(TaskbarProgressBarState.Normal);
TaskbarManager.Instance.SetProgressValue(0, 1);
using (var inputWave = new WaveFileReader(Recorder.FilePath))
using (var compressor = new SimpleCompressorStream(inputWave)
{
Attack = (float)1.5,
Enabled = true,
Threshold = 10,
Ratio = 4,
MakeUpGain = -3
})
using (var writer = new LameMP3FileWriter(saveLocation.Text + ".compressed.mp3", inputWave.WaveFormat,
LAMEPreset.MEDIUM,
tag))
{
writer.MinProgressTime = 0;
writer.OnProgress += (w, i, o, f) =>
{
if (f)
{
Close();
}
else
{
UpdateProgressBar(i, inputWave.Length);
}
};
var bytesPerMillisecond = inputWave.WaveFormat.AverageBytesPerSecond / 1000;
var startPos = (int)waveform.TimeStart.TotalMilliseconds * bytesPerMillisecond;
var endBytes = (int)waveform.TimeEnd.TotalMilliseconds * bytesPerMillisecond;
endBytes = endBytes - endBytes % inputWave.WaveFormat.BlockAlign;
var endPos = (int)inputWave.Length - endBytes;
inputWave.Position = startPos - startPos % inputWave.WaveFormat.BlockAlign;
var buffer = new byte[1024];
while (inputWave.Position < endPos)
{
var bytesRequired = (int)(endPos - inputWave.Position);
if (bytesRequired > 0)
{
var bytesToRead = Math.Min(bytesRequired, buffer.Length);
var bytesRead = compressor.Read(buffer, 0, bytesToRead);
if (bytesRead > 0)
{
writer.Write(buffer, 0, bytesRead);
}
}
}
}
using (var inputWave = new WaveFileReader(Recorder.FilePath))
using (var writer = new LameMP3FileWriter(saveLocation.Text, inputWave.WaveFormat, LAMEPreset.MEDIUM,
tag))
{
inputWave.CopyTo(writer);
}
}
public bool SaveMP3(List <string> saveLocationList)
{
string tempFilename = System.IO.Path.GetFileNameWithoutExtension(myrecorder.FilePath);
int cnt = 0;
foreach (var p in saveLocationList)
{
if (p != "" && !System.IO.Directory.Exists(p))
{
var x1 = new SpecialMessageBox();
x1.ShowMessage(parent, "Error", "Check the save location(s)", String.Format("The save location \"{0}\" does not exist. Enter a valid location, or, leave it empty to skip.", p));
return(false);
}
cnt++;
}
if (cnt == 0)
{
var x1 = new SpecialMessageBox();
x1.ShowMessage(parent, "Error", "Check the save location(s)", String.Format("No save locations specified. Enter at least one location to save the MP3."));
return(false);
}
// path to the temporary location where the raw recording is saved (i.e. the WAV file),
// not including the file extension.
string tempRecordingPath = System.IO.Path.Combine(appPreferences.TempLocation, tempFilename);
//if (!_usingCustomPath && File.Exists(saveLocation.Text) &&
// MessageBox.Show("A file with the same name exists, overwrite?", "File exists", MessageBoxButtons.YesNo,
// MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2) == DialogResult.No) return;
//btnSave.Enabled = false;
foreach (var p in saveLocationList)
{
if (p != "")
{
var testFile = System.IO.Path.Combine(p, tempFilename + ".mp3");
if (System.IO.File.Exists(testFile))
{
var x1 = new SpecialMessageBox();
x1.ShowMessage(parent, "Error", "Sermon not saved.", String.Format("The MP3 export was aborted because the file already exists at the save location:\n\n\"" + testFile + "\""));
return(false);
}
}
}
var tag = new ID3TagData
{
Title = _title.Trim(),
Artist = _speaker.Trim(),
Album = _series.Trim(),
Year = $"{Recorder.StartTime.Year:#0000}{Recorder.StartTime.Month:#00}{Recorder.StartTime.Day:#00}",
Comment = _passage,
AlbumArtist = _service.Trim(),
Genre = "swec.org.au"
};
//TaskbarManager.Instance.SetProgressState(TaskbarProgressBarState.Normal);
//TaskbarManager.Instance.SetProgressValue(0, 1);
using (var inputWave = new WaveFileReader(myrecorder.FilePath))
using (var compressor = new SimpleCompressorStream(inputWave)
{
Attack = (float)1.5,
Enabled = true,
Threshold = 10,
Ratio = 4,
MakeUpGain = -3
})
using (var writer = new LameMP3FileWriter(tempRecordingPath + ".compressed.mp3", inputWave.WaveFormat,
LAMEPreset.MEDIUM,
tag))
{
writer.MinProgressTime = 0;
writer.OnProgress += (w, i, o, f) =>
{
//if (f) Close(); //??? throw...
//else UpdateProgressBar(i, inputWave.Length);
};
var bytesPerMillisecond = inputWave.WaveFormat.AverageBytesPerSecond / 1000;
var startPos = 0; // (int)waveform.TimeStart.TotalMilliseconds * bytesPerMillisecond;
var endBytes = 0; // (int)waveform.TimeEnd.TotalMilliseconds * bytesPerMillisecond;
endBytes = endBytes - endBytes % inputWave.WaveFormat.BlockAlign;
var endPos = (int)inputWave.Length - endBytes;
inputWave.Position = startPos - startPos % inputWave.WaveFormat.BlockAlign;
var buffer = new byte[1024];
while (inputWave.Position < endPos)
{
var bytesRequired = (int)(endPos - inputWave.Position);
if (bytesRequired > 0)
{
var bytesToRead = Math.Min(bytesRequired, buffer.Length);
var bytesRead = compressor.Read(buffer, 0, bytesToRead);
if (bytesRead > 0)
{
writer.Write(buffer, 0, bytesRead);
}
}
}
}
using (var inputWave = new WaveFileReader(myrecorder.FilePath))
using (var writer = new LameMP3FileWriter(tempRecordingPath + ".mp3", inputWave.WaveFormat, LAMEPreset.MEDIUM, tag))
{
inputWave.CopyTo(writer);
}
foreach (var p in saveLocationList)
{
if (p != "")
{
System.IO.File.Copy(tempRecordingPath + ".compressed.mp3", System.IO.Path.Combine(p, tempFilename + ".mp3"));
}
}
// Cleanup
System.IO.File.Delete(tempRecordingPath + ".mp3");
System.IO.File.Delete(tempRecordingPath + ".compressed.mp3");
return(true);
}
