private void GenerateToneWaveFile(string path, DtmfTone tone, int sampleRate, double duration, ISampleProvider noise = null)
{
var tone1 = new SignalGenerator(sampleRate, 1)
{
Gain = 0.5,
Frequency = tone.LowTone,
Type = SignalGeneratorType.Sin
}
.Take(TimeSpan.FromMilliseconds(duration));
var tone2 = new SignalGenerator(sampleRate, 1)
{
Gain = 0.5,
Frequency = tone.HighTone,
Type = SignalGeneratorType.Sin
}
.Take(TimeSpan.FromMilliseconds(duration));
var list = new List <ISampleProvider>(new[] { tone1, tone2 });
if (noise != null)
{
list.Add(noise.Take(TimeSpan.FromMilliseconds(duration)));
}
var mix = new MixingSampleProvider(list);
WaveFileWriter.CreateWaveFile16(path, mix);
}
/* Applies volume and pan parameters to outgoing samples*/
private ISampleProvider ProcessInput(ISampleProvider input, int bankIndex, int padIndex)
{
VolumeSampleProvider VSP = new VolumeSampleProvider(input);
VSP.Volume = samplerModel.song.banks[bankIndex].pads[padIndex].volume;
PanningSampleProvider PSP = new PanningSampleProvider(VSP.ToWaveProvider16().ToSampleProvider()); // <- this throws ArgumentException
PSP.Pan = samplerModel.song.banks[bankIndex].pads[padIndex].pan;
//ISampleProvider result = PSP.Skip(new TimeSpan(0, 0, (int) samplerModel.song.banks[bankIndex].pads[padIndex].startPoint));
ISampleProvider result = PSP.Skip(samplerModel.song.banks[bankIndex].pads[padIndex].startPoint);
//int duration = (int)(samplerModel.song.banks[bankIndex].pads[padIndex].endPoint - samplerModel.song.banks[bankIndex].pads[padIndex].startPoint);
TimeSpan duration = (samplerModel.song.banks[bankIndex].pads[padIndex].endPoint - samplerModel.song.banks[bankIndex].pads[padIndex].startPoint);
//result = result.Take(new TimeSpan(0,0,duration));
result = result.Take(duration);
return(result.ToWaveProvider16().ToSampleProvider());
}
/// <summary>
/// Uses the Windows TTS library to get the bytes of a PCM Wave file from a text messages.
/// </summary>
/// <param name="message"></param>
/// <param name="voiceName"></param>
/// <returns>The way files bytes, or an empty array if something went wrong.</returns>
public byte[] GenerateRadioMessageWavBytes(string message, string voiceName = null)
{
if (string.IsNullOrEmpty(message))
{
message = ""; // Make sure message is not null
}
// No voice name provided, use the default voice instead
if (voiceName == null)
{
if (DefaultVoice == null) // Default voice not set/doesn't exist
{
return(new byte[0]);
}
voiceName = DefaultVoice;
}
try { Reader.SelectVoice(voiceName); }
catch (Exception) { return(new byte[0]); }
// Text-to-speech
MemoryStream ttsStream = new MemoryStream(); // create a new memory stream
Reader.SetOutputToWaveStream(ttsStream); // set the stream as output for the TTS reader
Reader.Volume = 35;
Reader.Speak(message); // read the text into the stream
ttsStream.Seek(0, SeekOrigin.Begin); // rewind the stream to position 0
WaveFileReader waveTTS = new WaveFileReader(ttsStream); // read the stream into a WaveFileReader object
// Mix voice with radio static
WaveFileReader waveStatic = new WaveFileReader($"{HQTools.PATH_MEDIA}RadioMessageGenerator/Loop.wav"); // load the static sound loop
ISampleProvider providerSpeech = new TTSAMRadioFilter(waveTTS.ToSampleProvider(), FXIntensity * 250); // get the sample provider for the TTS, apply a radio filter
ISampleProvider providerStatic = waveStatic.ToSampleProvider(); // get the sample provider for the static
TimeSpan ttsDuration = waveTTS.TotalTime; // get the tts wave duration
if (ttsDuration < TimeSpan.FromSeconds(MIN_SPEECH_DURATION))
{
ttsDuration = TimeSpan.FromSeconds(MIN_SPEECH_DURATION); // check min value
}
if (ttsDuration > TimeSpan.FromSeconds(MAX_SPEECH_DURATION))
{
ttsDuration = TimeSpan.FromSeconds(MAX_SPEECH_DURATION); // check max value
}
ISampleProvider[] sources = new[] { providerSpeech.Take(ttsDuration), providerStatic.Take(ttsDuration) }; // use both providers as source with a duration of ttsDuration
MixingSampleProvider mixingSampleProvider = new MixingSampleProvider(sources); // mix both channels
IWaveProvider radioMix = mixingSampleProvider.ToWaveProvider16(); // convert the mix output to a PCM 16bit sample provider
// Concatenate radio in/out sounds
WaveFileReader waveRadioIn = new WaveFileReader($"{HQTools.PATH_MEDIA}RadioMessageGenerator/In.wav"); // load the radio in FX
WaveFileReader waveRadioOut = new WaveFileReader($"{HQTools.PATH_MEDIA}RadioMessageGenerator/Out.wav"); // load the radio out FX
IWaveProvider[] radioFXParts = new IWaveProvider[] { waveRadioIn, radioMix, waveRadioOut }; // create an array with all 3 parts
byte[] buffer = new byte[1024]; // create a buffer to store wav data to concatenate
MemoryStream finalWavStr = new MemoryStream(); // create a stream for the final concatenated wav
WaveFileWriter waveFileWriter = null; // create a writer to fill the stream
foreach (IWaveProvider wav in radioFXParts) // iterate all three parts
{
if (waveFileWriter == null) // no writer, first part of the array
{
waveFileWriter = new WaveFileWriter(finalWavStr, wav.WaveFormat); // create a writer of the proper format
}
else if (!wav.WaveFormat.Equals(waveFileWriter.WaveFormat)) // else, check the other parts are of the same format
{
continue; // file is not of the proper format
}
int read; // bytes read
while ((read = wav.Read(buffer, 0, buffer.Length)) > 0) // read data from the wave
{
waveFileWriter.Write(buffer, 0, read);
} // fill the buffer with it
}
// Copy the stream to a byte array
waveFileWriter.Flush();
finalWavStr.Seek(0, SeekOrigin.Begin);
byte[] waveBytes = new byte[finalWavStr.Length];
finalWavStr.Read(waveBytes, 0, waveBytes.Length);
// Close/dispose of everything
ttsStream.Close(); ttsStream.Dispose();
waveTTS.Close(); waveTTS.Dispose();
waveStatic.Close(); waveStatic.Dispose();
waveRadioIn.Close(); waveRadioIn.Dispose();
waveRadioOut.Close(); waveRadioOut.Dispose();
waveFileWriter.Close(); waveFileWriter.Dispose();
finalWavStr.Close(); finalWavStr.Dispose();
// Return the bytes
return(waveBytes);
}
private byte[] DoRadioMix(ISampleProvider voiceProvider, TimeSpan duration)
{
// Media files are stored in the Release build directory, so if we're running a Debug build, we have to look for them here.
string debugPathToRelease = "";
#if DEBUG
debugPathToRelease = "..\\Release\\";
#endif
// Mix voice with radio static
WaveFileReader waveStatic = new WaveFileReader(debugPathToRelease + "Media/Loop.wav"); // load the static sound loop
ISampleProvider providerStatic = waveStatic.ToSampleProvider(); // get the sample provider for the static
if (duration < TimeSpan.FromSeconds(MIN_SPEECH_DURATION))
{
duration = TimeSpan.FromSeconds(MIN_SPEECH_DURATION); // check min value
}
if (duration > TimeSpan.FromSeconds(MAX_SPEECH_DURATION))
{
duration = TimeSpan.FromSeconds(MAX_SPEECH_DURATION); // check max value
}
ISampleProvider[] sources = new[] { voiceProvider.Take(duration), providerStatic.Take(duration) }; // use both providers as source with a duration of ttsDuration
MixingSampleProvider mixingSampleProvider = new MixingSampleProvider(sources); // mix both channels
IWaveProvider radioMix = mixingSampleProvider.ToWaveProvider16(); // convert the mix output to a PCM 16bit sample provider
// Concatenate radio in/out sounds
WaveFileReader waveRadioIn = new WaveFileReader(debugPathToRelease + "Media/In.wav"); // load the radio in FX
WaveFileReader waveRadioOut = new WaveFileReader(debugPathToRelease + "Media/Out.wav"); // load the radio out FX
IWaveProvider[] radioFXParts = new IWaveProvider[] { waveRadioIn, radioMix, waveRadioOut }; // create an array with all 3 parts
byte[] buffer = new byte[1024]; // create a buffer to store wav data to concatenate
MemoryStream finalWavStr = new MemoryStream(); // create a stream for the final concatenated wav
WaveFileWriter waveFileWriter = null; // create a writer to fill the stream
foreach (IWaveProvider wav in radioFXParts) // iterate all three parts
{
if (waveFileWriter == null) // no writer, first part of the array
{
waveFileWriter = new WaveFileWriter(finalWavStr, wav.WaveFormat); // create a writer of the proper format
}
else if (!wav.WaveFormat.Equals(waveFileWriter.WaveFormat)) // else, check the other parts are of the same format
{
continue; // file is not of the proper format
}
int read; // bytes read
while ((read = wav.Read(buffer, 0, buffer.Length)) > 0) // read data from the wave
{
waveFileWriter.Write(buffer, 0, read);
} // fill the buffer with it
}
// Copy the stream to a byte array
waveFileWriter.Flush();
finalWavStr.Seek(0, SeekOrigin.Begin);
byte[] waveBytes = new byte[finalWavStr.Length];
finalWavStr.Read(waveBytes, 0, waveBytes.Length);
// Close/dispose of everything
waveStatic.Close(); waveStatic.Dispose();
waveRadioIn.Close(); waveRadioIn.Dispose();
waveRadioOut.Close(); waveRadioOut.Dispose();
waveFileWriter.Close(); waveFileWriter.Dispose();
finalWavStr.Close(); finalWavStr.Dispose();
// Return the bytes
return(waveBytes);
}