public AudioStreamHandler()
{
log = Logger.GetLogger(GetType());
WaveIn = new WasapiLoopbackCapture();
WaveIn.DataAvailable += DataAvailable;
WaveIn.RecordingStopped += RecordingStopped;
WaveOut = new WaveOut();
WaveOut.Init(new SilentWaveProvider());
}
public void Start(string path)
{
Source = new WasapiLoopbackCapture();
Source.DataAvailable += new EventHandler<WaveInEventArgs>(waveSource_DataAvailable);
Source.RecordingStopped += new EventHandler<StoppedEventArgs>(waveSource_RecordingStopped);
File = new WaveFileWriter(path, Source.WaveFormat);
Source.StartRecording();
Recording = true;
}
public MemoryStream GetMp3Sample(int seconds, string filepath = "")
{
try
{
var stream = new MemoryStream();
// Start recording from loopback
IWaveIn waveIn = new WasapiLoopbackCapture();
waveIn.DataAvailable += waveIn_DataAvailable;
waveIn.RecordingStopped += waveIn_RecordingStopped;
// Setup MP3 writer to output at 96kbit/sec
writer = new LameMP3FileWriter(stream, waveIn.WaveFormat, LAMEPreset.ABR_96);
_isRecording = true;
waveIn.StartRecording();
// Wait for X seconds
System.Threading.Thread.Sleep(seconds * 1000);
waveIn.StopRecording();
// flush output to finish MP3 file correctly
writer.Flush();
// Dispose of objects
waveIn.Dispose();
writer.Dispose();
if (filepath != "")
using (var file = new FileStream(filepath, FileMode.Create, FileAccess.Write))
stream.WriteTo(file);
return stream;
}
catch (Exception)
{
throw;
}
}
public static void Start(TrackDto track)
{
lock (Lock)
{
currentTrack = track;
waveIn = new WasapiLoopbackCapture();
lameMp3FileWriter = new LameMP3FileWriter(GetFileName(), waveIn.WaveFormat, 256);
recordingStopped = new ManualResetEvent(false);
waveIn.DataAvailable += LoopbackDataAvailable;
waveIn.RecordingStopped += LoopbackRecordingStopped;
waveIn.StartRecording();
}
}
void waveSource_RecordingStopped(object sender, StoppedEventArgs e)
{
if (Source != null)
{
Source.Dispose();
Source = null;
}
if (File != null)
{
File.Dispose();
File = null;
}
}
public WasapiProvider()
{
// Init Pipes
this.recordingStream = new PipeStream();
this.LoopbackMp3Stream = new PipeStream();
this.LoopbackL16Stream = new PipeStream();
// Init Wave Processor thread
Thread waveProcessorThread = new Thread(new ThreadStart(this.waveProcessor)) { Priority = ThreadPriority.Highest };
// Init Wasapi Capture
this.loopbackWaveIn = new WasapiLoopbackCapture();
this.loopbackWaveIn.DataAvailable += new EventHandler<WaveInEventArgs>(this.loopbackWaveIn_DataAvailable);
// Init Raw Wav (16bit)
WaveStream rawWave16b = new Wave32To16Stream(new RawSourceWaveStream(this.recordingStream, NAudio.Wave.WaveFormat.CreateIeeeFloatWaveFormat(this.loopbackWaveIn.WaveFormat.SampleRate, this.loopbackWaveIn.WaveFormat.Channels)));
// Convert Raw Wav to PCM with audio format in settings
var audioFormat = AudioSettings.GetAudioFormat();
if (rawWave16b.WaveFormat.SampleRate == audioFormat.SampleRate
&& rawWave16b.WaveFormat.BitsPerSample == audioFormat.BitsPerSample
&& rawWave16b.WaveFormat.Channels == audioFormat.Channels)
{
// No conversion !
this.rawConvertedStream = null;
this.pcmStream = WaveFormatConversionStream.CreatePcmStream(rawWave16b);
}
else
{
// Resampler
this.rawConvertedStream = new WaveProviderToWaveStream(new MediaFoundationResampler(rawWave16b, audioFormat));
this.pcmStream = WaveFormatConversionStream.CreatePcmStream(rawConvertedStream);
}
// Init MP3 Encoder
this.mp3Writer = new LameMP3FileWriter(this.LoopbackMp3Stream, pcmStream.WaveFormat, AudioSettings.GetMP3Bitrate());
// Start Recording
this.loopbackWaveIn.StartRecording();
// Start Wave Processor thread
waveProcessorThread.Start();
}
///////////////////////////////////////////////////////////////////////////События формы
/// <summary>
/// Cобытие после загрузки формы
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Main_Form_Load(object sender, EventArgs e)
{
Eq = new EQ();
Eq.Show();
Eq.Visible = false;
btStart = btPlay;
PlayListBox = listBox1;
NameTrack = tbName;
Author = tbAuthor;
Date = tbDate;
Time = tbTime;
timer1.Start();
timer2.Start();
timer3.Start();
loadChanges();
Capt = new WasapiLoopbackCapture();
Capt.DataAvailable += OnDataAvailable;
Capt.StartRecording();
}
public void button1_Click(object sender, EventArgs e)
{
Console.WriteLine("starting:");
Console.WriteLine("");
serialPort1.PortName = textBox1.Text;
serialPort1.BaudRate = 115200;
serialPort1.RtsEnable = true;
serialPort1.DtrEnable = true;
if (serialPort1.IsOpen)
{
try
{
serialPort1.Close();
}
catch
{
}
}
try
{
serialPort1.Open();
}
catch
{
MessageBox.Show("Не удалось подключиться!", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
capt = new WasapiLoopbackCapture();
capt.DataAvailable += OnDataAvailable;
capt.StartRecording();
serialPort1.DataReceived += OnDataReceived;
if (serialPort1.IsOpen)
{
MessageBox.Show("Успешно подключено", "Успех", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
/// <summary>
/// Initialises a new instance of the WASAPI capture class
/// </summary>
// Token: 0x060007EA RID: 2026 RVA: 0x00017272 File Offset: 0x00015472
public WasapiLoopbackCapture() : this(WasapiLoopbackCapture.GetDefaultLoopbackCaptureDevice())
{
}
private void Init()
{
_capture = new WasapiLoopbackCapture();
_capture.DataAvailable += _capture_DataAvailable;
_capture.RecordingStopped += _capture_RecordingStopped;
}
/// <summary>
/// Stop Recording
/// </summary>
/// <returns>Successful</returns>
public bool Stop()
{
if (!isRecording)
return false;
// Stop Capturing Audio
if (recordAudio)
{
audioSource.StopRecording();
if (audioSource != null)
{
audioSource.Dispose();
audioSource = null;
}
if (audioFile != null)
{
audioFile.Dispose();
audioFile = null;
}
}
// Kill Timers
StopTimers();
status = "Idle";
isRecording = false;
return isRecording;
}
/// <summary>
/// Start Recording
/// </summary>
/// <param name="recordAudio">Record Audio</param>
/// <returns>Successful</returns>
public bool Start(bool recordAudio = false)
{
if (isRecording)
return false;
// Reset
status = "Pending";
frames = 0;
// Create Temporary Directory
CreateTemporaryPath();
// Setup Audio Recording
if (recordAudio)
{
this.recordAudio = recordAudio;
audioSource = new WasapiLoopbackCapture();
audioSource.DataAvailable += new EventHandler<WaveInEventArgs>(WriteAudio);
audioFile = new WaveFileWriter(Path.Combine(tempPath, "audio.wav"), audioSource.WaveFormat);
audioSource.StartRecording();
}
// Start Timers
StartTimers();
status = "Recording";
isRecording = true;
return isRecording;
}
/// <summary>
/// Set Parameters to WasapiLoopCapture
/// </summary>
private void InitializeWasapiLoopCapture()
{
_wasapiLoopback = new WasapiLoopbackCapture();
_wasapiLoopback.DataAvailable += WasapiLoopbackOnDataAvailable;
}
public Recorder()
{
waveIn = new WasapiLoopbackCapture();
waveIn.DataAvailable += InputBufferToFileCallback;
}
