public SpeechLibStrategy(Options options, int speedRate, ConvertorFactory.SupportedType supportedType)
{
_options = options;
_supportedType = supportedType;
Voice = new SpVoice
{
Rate = speedRate,
};
SetVoice(Properties.Settings.Default.VoiceName);
}
public StreamState(Options options)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
_packets = new List<Packet>();
_encoder = OpusEncoder.Create(options.InputSamplingRate, options.InputChannels.Value, options.ApplicationType);
_encoder.Bitrate = options.BitRate.Value;
_bytesPerSegment = _encoder.FrameByteCount(options.FrameSize.Value);
}
public TextToVoiceManager()
{
var options = new Options
{
OutSamplingRate = SamplingRate.Create(Properties.Settings.Default.SampleRate),
OutChannels = Channels.Create(Properties.Settings.Default.Channels),
BitRate = BitRate.Create(Properties.Settings.Default.BitRate)
};
_strategy = new SpeechLibStrategy(options, Properties.Settings.Default.SpeedRate,
ConvertorFactory.SupportedType.Opus);
_voiceName = GetVoiceName();
_models = new TextToVoiceModelConteiner();
}
public static BaseStreamConvertor GetConverter(string fileName, Options options, SupportedType type)
{
switch (type)
{
case SupportedType.Opus :
{
return new OpusStreamConvertor(fileName, options);
}
case SupportedType.Mp3:
{
return new WaveToMp3Convertor(fileName, options);
}
}
return null;
}
private void Convert(string filename, Options options, ConvertorFactory.SupportedType supportedType)
{
var strategy = new SpeechLibStrategy(options, 4, supportedType);
var voices = strategy.GetVoiceNames().ToList();
Assert.IsTrue(voices.Count() == 2, "voices: " + string.Join(", ", voices));
var model = new TextToVoiceModel
{
CurrentState = TextToVoiceModel.States.Run,
OutFilePath = filename,
FilePath = filename
};
model.SetText(testText);
strategy.Execute(model, voices.Last());
}
public OpusStreamConvertor(string fileName, Options options)
{
_fileName = fileName + ".opus";
_options = options;
_streamState = new StreamState(options);
if (File.Exists(_fileName))
{
SetGranulePos(_streamState);
}
else
{
using (var fs = new FileStream(_fileName, FileMode.Create, FileAccess.Write, FileShare.Read))
{
SetHeader(_streamState, fs);
SetComment(_streamState, fs);
}
}
}
public void SpeechTest()
{
var testCase = new[] { 6, 10, 12, 19, 24, 32, 64, 128, 256, 510 };
var dir = string.Format("test_{0:d_M_yyy_HH_mm_ss}", DateTime.Now);
Directory.CreateDirectory(dir);
for (int i = 0; i < testCase.Length; i++)
{
string filename = string.Format("{0}\\{1}", dir, testCase[i]);
var opt = new Options
{
BitRate = BitRate.Create(testCase[i])
};
Convert(filename, opt, ConvertorFactory.SupportedType.Opus);
var fi = new FileInfo(filename + ".opus");
Assert.IsTrue(fi.Exists);
Assert.IsTrue(fi.Length > 0);
}
string filename2 = string.Format("{0}\\{1}", dir, 1);
Convert(filename2, new Options(), ConvertorFactory.SupportedType.Mp3);
var fi2 = new FileInfo(filename2 + ".mp3");
Assert.IsTrue(fi2.Exists);
Assert.IsTrue(fi2.Length > 0);
}
public WaveToMp3Convertor(string fileName, Options options)
{
_stream = new FileStream(fileName + ".mp3", FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.Read);
var waveFormat = new WaveFormat((int)options.InputSamplingRate.Value, options.InputeBits, options.InputChannels.Value);
_mp3Writer = new LameMP3FileWriter(_stream, waveFormat, options.BitRate.Value);
}