private void LoadWaveFile()
{
const string _urlPrefix = @"file://";
try {
SetEnablings(false);
string sTmpFilename = Path.GetTempFileName();
File.Delete(sTmpFilename);
sTmpFilename = Path.ChangeExtension(sTmpFilename, "wav");
_waveStream = GetWaveStream(txtSynthesizer.Text, txtMusicString.Text);
using (var fileStream = new FileStream(sTmpFilename, FileMode.OpenOrCreate, FileAccess.Write)) {
_waveStream.CopyTo(fileStream);
}
_mediaPlayer.settings.autoStart = true;
// mediaPlayer.Visible = true;
_mediaPlayer.URL = _urlPrefix + sTmpFilename;
_mediaPlayer.Tag = sTmpFilename; // to aid in clean-up later
_mediaPlayer.Ctlcontrols.play();
}
catch (SynthesizerParseErrorsException ex) {
MessageBox.Show(ex.Message);
SetEnablings(true); // Aborted, so enable interface
}
finally {
Refresh();
}
}
public void Encode(WaveStream waveData, Stream outputStream)
{
using (LameMP3FileWriter mp3 = new LameMP3FileWriter(outputStream, waveData.WaveFormat, 128))
{
waveData.CopyTo(mp3);
}
}
public void Encode(WaveStream waveData, Stream output)
{
var wav = new WaveFileWriter(output, waveData.WaveFormat);
{
waveData.CopyTo(wav);
}
}
public MemoryStream ToMp3(WaveStream wavFile)
{
using (var retMs = new MemoryStream())
using (var wtr = new LameMP3FileWriter(retMs, wavFile.WaveFormat, 128))
{
wavFile.CopyTo(wtr);
return(retMs);
}
}
public static int Main(string[] args)
{
try
{
Stream sysin = new MemoryStream();
Console.OpenStandardInput().CopyTo(sysin);
Console.Error.WriteLine($"Copied STDIN, length {sysin.Length}");
string id3Title = Environment.GetEnvironmentVariable("FFM_ID3_TITLE");
string id3Author = Environment.GetEnvironmentVariable("FFM_ID3_AUTHOR");
string mimeHint = Environment.GetEnvironmentVariable("FFM_MIME");
int? limitSeconds = Environment.GetEnvironmentVariable("FFM_MAX_SECONDS") == null ?
new int?() :
Convert.ToInt32(Environment.GetEnvironmentVariable("FFM_MAX_SECONDS"));
string typeString = InferInformationString(sysin, mimeHint);
Console.Error.WriteLine($"TypeString is {typeString}");
AudioFormat audioFormat = AudioFormatFromString(typeString);
Console.Error.WriteLine($"AudioFormat is {audioFormat}");
sysin.Position = 0;
WaveStream readerStream = ReaderForAudioFormat(sysin, audioFormat, limitSeconds, out int seconds);
Console.Error.WriteLine($"ReaderStream is {readerStream}");
Stream sysout = Console.OpenStandardOutput();
var fileWriter = new LameMP3FileWriter
(
sysout,
readerStream.WaveFormat,
320,
new ID3TagData
{
Title = id3Title,
Artist = id3Author,
}
);
Console.Error.WriteLine($"Setting Debug,Error,Message functions on fileWriter");
fileWriter.SetDebugFunction(txt => Console.Error.WriteLine(txt));
fileWriter.SetErrorFunction(txt => Console.Error.WriteLine(txt));
fileWriter.SetMessageFunction(txt => Console.Error.WriteLine(txt));
Console.Error.WriteLine($"Streaming operations now!");
readerStream.CopyTo(fileWriter);
fileWriter.Flush();
fileWriter.Close();
sysout.Close();
return(seconds);
}
catch (Exception e)
{
Console.Error.WriteLine(e);
Console.Error.Flush();
return(-1);
}
}