public void StartDetect(int inputDevice)
{
this.Dispatcher.BeginInvoke((ThreadStart) delegate()
{
waveIn = new WaveInEvent();
waveIn.DeviceNumber = inputDevice;
waveIn.WaveFormat = new WaveFormat(44100, 1);
waveIn.DataAvailable += sound.WaveIn_DataAvailable;
sound.bufferedWaveProvider = new BufferedWaveProvider(waveIn.WaveFormat);
// begin record
waveIn.StartRecording();
IWaveProvider stream = new Wave16ToFloatProvider(sound.bufferedWaveProvider);
Pitch pitch = new Pitch(stream);
byte[] buffer = new byte[8192];
int bytesRead;
bytesRead = stream.Read(buffer, 0, buffer.Length);
freq = pitch.Get(buffer);
if (freq != 0)
{
ReturnFreq();
}
});
}
//Do float array
public float[] convert(MediaFoundationReader x)
{
float[] floatBuffer;
int _byteBuffer32_length = (int)x.Length * 2;
int _floatBuffer_length = _byteBuffer32_length / sizeof(float);
IWaveProvider stream32 = new Wave16ToFloatProvider(x);
WaveBuffer _waveBuffer = new WaveBuffer(_byteBuffer32_length);
stream32.Read(_waveBuffer, 0, (int)_byteBuffer32_length);
floatBuffer = new float[_floatBuffer_length];
for (int i = 0; i < _floatBuffer_length; i++)
{
floatBuffer[i] = _waveBuffer.FloatBuffer[i];
}
return(floatBuffer);
}
/** Return an array with all the music frames
*/
private static float[] GetRawMp3Frames(string filename)
{
float[] floatBuffer;
using (MediaFoundationReader media = new MediaFoundationReader(filename))
{
int _byteBuffer32_length = (int)media.Length * 2;
int _floatBuffer_length = _byteBuffer32_length / sizeof(float);
IWaveProvider stream32 = new Wave16ToFloatProvider(media);
WaveBuffer _waveBuffer = new WaveBuffer(_byteBuffer32_length);
stream32.Read(_waveBuffer, 0, (int)_byteBuffer32_length);
floatBuffer = new float[_floatBuffer_length / 2];
for (int i = 0; i < _floatBuffer_length / 2; i++)
{
floatBuffer[i] = _waveBuffer.FloatBuffer[i];
}
}
return(floatBuffer);
}
public void StartDetect(int inputDevice)
{
WaveInEvent waveIn = new WaveInEvent();
waveIn.DeviceNumber = inputDevice;
waveIn.WaveFormat = new WaveFormat(44100, 1);
waveIn.DataAvailable += WaveIn_DataAvailable;
bufferedWaveProvider = new BufferedWaveProvider(waveIn.WaveFormat);
// begin record
waveIn.StartRecording();
IWaveProvider stream = new Wave16ToFloatProvider(bufferedWaveProvider);
Pitch pitch = new Pitch(stream);
byte[] buffer = new byte[8192];
int bytesRead;
Console.WriteLine("Play or sing a note! Press ESC to exit at any time. \n");
do
{
bytesRead = stream.Read(buffer, 0, buffer.Length);
float freq = pitch.Get(buffer);
if (freq != 0)
{
Console.WriteLine("Freq: " + freq + " | Note: " + GetNote(freq));
}
} while (bytesRead != 0 && !(Console.KeyAvailable && Console.ReadKey(true).Key == ConsoleKey.Escape));
// stop recording
waveIn.StopRecording();
waveIn.Dispose();
}
private void ProcessAudio()
{
int bufSize = 8 * 1024;
byte[] audioData = new byte[bufSize];
int read = 0;
int sizeOfSample = sizeof(Single);
SampleAggregator sampleAgg = new SampleAggregator(bufSize / 4);
sampleAgg.PerformFFT = true;
sampleAgg.FftCalculated += new EventHandler <FftEventArgs>(func);
while (chart1.Series.Count > 0)
{
chart1.Series.RemoveAt(0);
}
chart1.Series.Add("X");
chart1.Series.Add("Y");
while (Wave.Position < Wave.Length)
{
read = WaveToFloat.Read(audioData, 0, bufSize);
// Might need this to check we haven't run out of stuff to read
if (read == 0)
{
break;
}
for (int i = 0; i < read / sizeOfSample; i++)
{
Single sample = BitConverter.ToSingle(audioData, i * sizeOfSample);
sampleAgg.Add(sample);
}
}
}
static void Main(string[] args)
{
PluginUtil pluginUtil = new PluginUtil();
pluginUtil.OpenPlugin(@"Plugins\RoughRider2.dll");
pluginUtil.OpenPlugin(@"Plugins\TAL-Reverb-4-64.dll");
//pluginUtil.ChangeParametersValue();
//Console.WriteLine(pluginUtil.GetListOfPlugins());
var url = "http://localhost:5000/";
var listener = new HttpListener();
listener.Prefixes.Add(url);
while (true)
{
listener.Start();
var context = listener.GetContext();
var request = context.Request;
if (request.HttpMethod.Equals("GET"))
{
if (request.Url.Equals(url + "getPlugins"))
{
Task.Factory.StartNew(() =>
{
var response = context.Response;
response.AddHeader("Content-Type", "application/json");
var responseString = pluginUtil.GetListOfPlugins();
var buffer = System.Text.Encoding.UTF8.GetBytes(responseString);
response.ContentLength64 = buffer.Length;
var output = response.OutputStream;
output.Write(buffer, 0, buffer.Length);
output.Close();
});
}
}
else if (request.HttpMethod.Equals("POST"))
{
if (request.Url.Equals(url + "changePluginsParameters"))
{
Task.Factory.StartNew(() =>
{
var response = context.Response;
string body;
using (var reader = new StreamReader(request.InputStream))
body = reader.ReadToEnd();
pluginUtil.ChangeParametersValue(body);
var buffer = System.Text.Encoding.UTF8.GetBytes("");
response.ContentLength64 = buffer.Length;
response.StatusCode = 200;
var output = response.OutputStream;
output.Write(buffer, 0, buffer.Length);
output.Close();
});
}
else if (request.Url.Equals(url + "audioProcessing"))
{
Task.Factory.StartNew(() =>
{
//var bytes = File.ReadAllBytes("Audio/Adele - Hello.mp3");
var response = context.Response;
//string body;
//using (var reader = new StreamReader(request.InputStream))
// body = reader.ReadToEnd();
//pluginUtil.AudioProcessing(bytes);
//var floatArray2 = new float[bytes.Length / sizeof(float)];
//Buffer.BlockCopy(bytes, 0, floatArray2, 0, floatArray2.Length);
//var mp3 = new Mp3FileReader("Audio/Adele - Hello.mp3");
//byte[] buffer = new byte[reader.Length];
//int read = reader.Read(buffer, 0, buffer.Length);
//short[] sampleBuffer = new short[read / 2];
//Buffer.BlockCopy(buffer, 0, sampleBuffer, 0, read);
//ISampleProvider audio = new AudioFileReader("Audio/Adele - Hello.mp3");
//float[] arr = new float[1024];
//audio.Read(arr, 1024, 1);
//var byteArray = new byte[floatArray2.Length * sizeof(float)];
//Buffer.BlockCopy(floatArray2, 0, byteArray, 0, byteArray.Length);
//var floatArray = bytes.Select(b => (float)Convert.ToDouble(b)).ToArray();
//var byteArray = floatArray.Select(f => Convert.ToByte(f)).ToArray();
float[] floatBuffer;
using (MediaFoundationReader media = new MediaFoundationReader("Audio/Eminem - Venom (Official Music Video).mp3"))
{
int _byteBuffer32_length = (int)media.Length * 2;
int _floatBuffer_length = _byteBuffer32_length / sizeof(float);
IWaveProvider stream32 = new Wave16ToFloatProvider(media);
WaveBuffer _waveBuffer = new WaveBuffer(_byteBuffer32_length);
stream32.Read(_waveBuffer, 0, (int)_byteBuffer32_length);
floatBuffer = new float[_floatBuffer_length];
for (int i = 0; i < _floatBuffer_length; i++)
{
floatBuffer[i] = _waveBuffer.FloatBuffer[i];
}
}
var pcm = new byte[floatBuffer.Length * 2];
int sampleIndex = 0,
pcmIndex = 0;
while (sampleIndex < floatBuffer.Length)
{
var outsample = (short)(floatBuffer[sampleIndex] * short.MaxValue);
pcm[pcmIndex] = (byte)(outsample & 0xff);
pcm[pcmIndex + 1] = (byte)((outsample >> 8) & 0xff);
sampleIndex++;
pcmIndex += 2;
}
Console.WriteLine("Here");
//pluginUtil.AudioProcessing(floatBuffer);
using (MemoryStream ms = new MemoryStream(pcm))
//{
// // Construct the sound player
// SoundPlayer player = new SoundPlayer(ms);
// Console.WriteLine("Playing");
// player.Play();
// Console.WriteLine("End Playing");
//}
using (FileStream fs = File.Create("myFile.wav"))
{
fs.Write(pcm, 0, pcm.Length);
}
//using (var writer = new LameMP3FileWriter(mp3FileName, reader.WaveFormat, bitRate))
// reader.CopyTo(writer);
//File.WriteAllBytes("Audio/eqwad.mp3", pcm);
//Console.WriteLine(floatBuffer.Length);
//pluginUtil.AudioProcessing(floatBuffer);
//Console.WriteLine("Bytes = "+new FloatByteMp3().GetBytes("Audio/Adele - Hello.mp3").Length);
//Console.WriteLine("Floats = "+new FloatByteMp3().GetFloat("Audio/Adele - Hello.mp3").Length);
//if (byteArray.Equals(bytes)) Console.WriteLine(true);
//else
//{
// Console.WriteLine(false);
//}
//File.WriteAllBytes("Audio/a10.mp3", bytes);
var buffer = System.Text.Encoding.UTF8.GetBytes("");
response.ContentLength64 = buffer.Length;
response.StatusCode = 200;
var output = response.OutputStream;
output.Write(buffer, 0, buffer.Length);
output.Close();
});
}
}
}
}