protected override void FillBuffer(float[] buffer, int offset, int count)
{
if (Write && InputSignal.Value != null && FWriter != null)
{
var byteCount = count * 2;
if (FByteBuffer.Length < byteCount)
{
FByteBuffer = new byte[byteCount];
}
//read bytes from input
FWave16Provider.Read(FByteBuffer, 0, byteCount);
//write to stream
FWriter.Write(FByteBuffer, 0, byteCount);
SamplesWritten += count;
FFlushCounter += count;
if (FFlushCounter >= 32768)
{
FWriter.Flush();
FFlushCounter = 0;
}
FLastWriteState = true;
}
else
{
FFlushCounter = 0;
if (FLastWriteState)
{
FWriter.Flush();
FLastWriteState = false;
}
}
}
void sourceInStream_DataAvailable(object sender, WaveInEventArgs e)
{
if (waveWriter != null)
{
waveWriter.Write(e.Buffer, 0, e.BytesRecorded);
waveWriter.Flush();
}
}
private void sourceStream_DataAvailable(object sender, WaveInEventArgs e)
{
if (waveWriter == null)
{
return;
}
waveWriter.Write(e.Buffer, 0, e.BytesRecorded);
waveWriter.Flush();
}
private void WaveInEvent_DataAvailable(object sender, WaveInEventArgs e)
{
if (wavWriter == null)
{
return;
}
#pragma warning disable CS0618 // Type or member is obsolete
wavWriter.WriteData(e.Buffer, 0, e.BytesRecorded);
#pragma warning restore CS0618 // Type or member is obsolete
wavWriter.Flush();
}
void waveInSource_RecordingStopped(object sender, StoppedEventArgs e)
{
//throw new NotImplementedException();
//waveInSource.StopRecording();
//MessageBox.Show("aaaaaaaaaaaaaaaaaaaaaaa");
if (waveFileWriter != null)
{
waveFileWriter.Flush();
waveFileWriter.Dispose();
waveFileWriter = null;
}
}
/*
* Using the NuGet package NAudio, it records one second of audio with a sampling rate based on the fft
* It outputs the file into temp.wav for later use
*/
private void btnRecord_Click(object sender, EventArgs e)
{
int bytesRecorded = 0;
btnRecord.Enabled = false;
wi = new WaveIn();
wi.WaveFormat = new WaveFormat(fft.samplingRate * 5, 1);
wi.RecordingStopped += new EventHandler <StoppedEventArgs>(wi_RecordingStopped);
wi.DataAvailable += (s, a) => {
if (wfw != null)
{
bytesRecorded += a.BytesRecorded;
wfw.Write(a.Buffer, 0, a.BytesRecorded);
wfw.Flush();
}
if (bytesRecorded > fft.getDataSize() * 4)
{
wi.StopRecording();
}
};
wfw = new WaveFileWriter("temp.wav", wi.WaveFormat);
try {
wi.StartRecording();
txtOutput.AppendText("Recording Started\r\n");
}
catch (Exception ex) {
txtOutput.AppendText("\r\n" + ex.Message);
}
}
public void FlushUpdatesHeaderEvenIfDisposeNotCalled()
{
var ms = new MemoryStream();
var testSequence = new byte[] { 0x1, 0x2, 0xFF, 0xFE };
var testSequence2 = new byte[] { 0x3, 0x4, 0x5 };
var writer = new WaveFileWriter(new IgnoreDisposeStream(ms), new WaveFormat(16000, 24, 1));
writer.Write(testSequence, 0, testSequence.Length);
writer.Flush();
// BUT NOT DISPOSED
// another write that was not flushed
writer.Write(testSequence2, 0, testSequence2.Length);
// check the Reader can read it
ms.Position = 0;
using (var reader = new WaveFileReader(ms))
{
Assert.AreEqual(16000, reader.WaveFormat.SampleRate, "Sample Rate");
Assert.AreEqual(24, reader.WaveFormat.BitsPerSample, "Bits Per Sample");
Assert.AreEqual(1, reader.WaveFormat.Channels, "Channels");
Assert.AreEqual(testSequence.Length, reader.Length, "File Length");
var buffer = new byte[600]; // 24 bit audio, block align is 3
int read = reader.Read(buffer, 0, buffer.Length);
Assert.AreEqual(testSequence.Length, read, "Data Length");
for (int n = 0; n < read; n++)
{
Assert.AreEqual(testSequence[n], buffer[n], "Byte " + n);
}
}
writer.Dispose(); // to stop the finalizer from moaning
}
void waveInSource_RecordingStopped(object sender, StoppedEventArgs e)
{
//throw new NotImplementedException();
//waveInSource.StopRecording();
//MessageBox.Show("aaaaaaaaaaaaaaaaaaaaaaa");
if (waveFileWriter != null)
{
waveFileWriter.Flush();
waveFileWriter.Dispose();
waveFileWriter = null;
RecordFlagModel.Flag = true;
//在这里交窗口进行关闭掉
this.Dispose();
this.Close();
}
}
private void waveMaxSample(WaveInEventArgs e, Action <float> handler)
{
if (waveWriter != null) //Aliving waveWrter(filewriter), write all bytes in buffer
{
waveWriter.Write(e.Buffer, 0, e.BytesRecorded);
waveWriter.Flush();
}
float maxRecorded = 0.0f;
for (int i = 0; i < e.BytesRecorded; i += 2) //loop for bytes
{
//convert to float
short sample = (short)((e.Buffer[i + 1] << 8) |
e.Buffer[i + 0]);
var sample32 = sample / 32768f;
if (sample32 < 0)
{
sample32 = -sample32; // alter to absolute value
}
if (sample32 > maxRecorded)
{
maxRecorded = sample32; //update maximum
}
}
handler(maxRecorded); //pass the handle
}
public override SyncAnnotation SynthesizeText(string text, WaveFileWriter writer, string src = "")
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
var startOffset = writer.TotalTime;
var audioStream = new MemoryStream();
Synthesizer.SetOutputToAudioStream(
audioStream,
new SpeechAudioFormatInfo(
writer.WaveFormat.SampleRate,
(AudioBitsPerSample)writer.WaveFormat.BitsPerSample,
(AudioChannel)writer.WaveFormat.Channels));
Synthesizer.SelectVoice(Voice.Name);
Synthesizer.Speak(text);
Synthesizer.SetOutputToNull();
audioStream.WriteTo(writer);
writer.Flush();
return(new SyncAnnotation()
{
ClipBegin = startOffset,
ClipEnd = writer.TotalTime,
Src = src
});
}
static void Main(string[] args)
{
var option = new Dictionary <string, object>()
{
{ "spd", 5 }, // 语速
{ "vol", 5 }, // 音量
{ "per", 0 } // 发音人，4：情感度丫丫童声
};
var text = "滴,滴,答,10,9,8,7,6,5,4,3,2,1";
WaveFileWriter writer = null;
Stream output = null;
foreach (var s in text.Split(','))
{
var result = _ttsClient.Synthesis(s, option);
if (!result.Success)
{
Console.WriteLine(result.ErrorMsg);
}
var ret = WriteSpeech(result.Data, 1, ref writer);
if (ret != null)
{
output = ret;
}
}
writer?.Flush();
output?.Seek(0, SeekOrigin.Begin);
using (var fs = new FileStream("test.wav", FileMode.Create)) {
output?.CopyTo(fs);
fs.Close();
}
writer?.Close();
Console.ReadLine();
}
private void mainWaveIn_DataAvailable(object sender, WaveInEventArgs e)
{
if (recWaveWriter == null)
{
return;
}
recWaveWriter.Write(e.Buffer, 0, e.BytesRecorded);
recWaveWriter.Flush();
float max = 0;
var buffer = new WaveBuffer(e.Buffer);
// interpret as 32 bit floating point audio
for (int index = 0; index < e.BytesRecorded / 4; index++)
{
var sample = buffer.FloatBuffer[index];
// absolute value
if (sample < 0)
{
sample = -sample;
}
// is this the max value?
if (sample > max)
{
max = sample;
}
}
volumeSliderMeter.Volume = max;
}
public WavCharactersProvider(IConfiguration configuration)
{
var speechConfig = configuration.GetSection("SpeechConfig").Get <SpeechConfig>();
charactersWavBytes = new Dictionary <char, byte[]>();
var characters = new[] {
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
'1', '2', '3', '4', '5', '6', '7', '8', '9', '0'
};
byte[] readBuffer = new byte[16 * 1024];
foreach (var character in characters)
{
//FileNotFoundException can be thrown
using var waveFileReader = new WaveFileReader(Path.Combine(speechConfig.CharactersPath, $"{character}.wav"));
using var ms = new MemoryStream();
using var waveFileWriter = new WaveFileWriter(ms, waveFileReader.WaveFormat);
int read;
while ((read = waveFileReader.Read(readBuffer, 0, readBuffer.Length)) > 0)
{
waveFileWriter.Write(readBuffer, 0, read);
}
waveFileWriter.Flush();
charactersWavBytes[character] = ms.ToArray();
}
}
private static byte[] MP3BytesToWavBytes(byte[] input, WaveFormat outputFormat = null)
{
byte[] retval = null;
using (MemoryStream outputStream = new MemoryStream())
using (MemoryStream inputStream = new MemoryStream(input))
using (WaveStream waveStream = WaveFormatConversionStream.CreatePcmStream(new Mp3FileReader(inputStream)))
{
if (outputFormat == null)
{
outputFormat = waveStream.WaveFormat;
}
using (WaveFileWriter waveFileWriter = new WaveFileWriter(outputStream, outputFormat))
{
byte[] bytes = new byte[waveStream.Length];
waveStream.Position = 0;
waveStream.Read(bytes, 0, (int)waveStream.Length);
waveFileWriter.Write(bytes, 0, bytes.Length);
waveFileWriter.Flush();
outputStream.Position = 0;
retval = outputStream.ToArray();
}
}
return(retval);
}
private void InitWaveFileWriter(int rate, int bits, int channels)
{
//Init Wave File Writer
fs = File.Open(this._OutputLocation, FileMode.OpenOrCreate, FileAccess.Write);
WaveFileOut = new WaveFileWriter(fs, new WaveFormat(rate, bits, channels));
WaveFileOut.Flush();
}
/// <summary>
/// Finish recording and close WAV file.
/// </summary>
public void StopRecording()
{
if (!_isRecording)
{
return;
}
if (_captureInput != null)
{
_captureInput.DataAvailable -= _OnDataAvailable;
_captureInput.StopRecording();
GC.SuppressFinalize(_captureInput);
_captureInput.Dispose();
_captureInput = null;
}
if (_waveWriter != null)
{
_waveWriter.Flush();
_waveWriter.Close();
_waveWriter.Dispose();
GC.SuppressFinalize(_waveWriter);
Debug.WriteLine("Recording finished.\n\tFile=" + _tempWavFilePath + "\n");
_waveWriter = null;
}
_isRecording = false;
_state = RecorderState.RecordingFinsihed;
Debug.WriteLine("Recording of " + _tempWavFilePath + " stopped");
}
WAV ConvertMP3DataToWAV(byte[] mp3Data)
{
using (MemoryStream mp3Stream = new MemoryStream(mp3Data))
{
using (Mp3FileReader mp3Audio = new Mp3FileReader(mp3Stream))
{
using (WaveStream waveStream = WaveFormatConversionStream.CreatePcmStream(mp3Audio))
{
using (MemoryStream outputStream = new MemoryStream())
{
using (WaveFileWriter waveFileWriter = new WaveFileWriter(outputStream, waveStream.WaveFormat))
{
byte[] bytes = new byte[waveStream.Length];
waveStream.Position = 0;
waveStream.Read(bytes, 0, Convert.ToInt32(waveStream.Length));
waveFileWriter.Write(bytes, 0, bytes.Length);
waveFileWriter.Flush();
}
return(new WAV(outputStream.ToArray()));
}
}
}
}
}
public static void OnDataAvailable(object sender, WaveInEventArgs e)
{
if (Recording && WaveFile != null)
{
WaveFile.Write(e.Buffer, 0, e.BytesRecorded);
WaveFile.Flush();
}
else
{
float max = 0;
// interpret as 16 bit audio
for (int index = 0; index < e.BytesRecorded; index += 2)
{
short sample = (short)((e.Buffer[index + 1] << 8) |
e.Buffer[index + 0]);
// to floating point
var sample32 = sample / 32768f;
// absolute value
if (sample32 < 0)
{
sample32 = -sample32;
}
// is this the max value?
if (sample32 > max)
{
max = sample32;
}
CurrentInputLevel = max * 100;
EventSystem.Publish(new AudioUpdated()
{
RecordingLevel = CurrentInputLevel
});
}
}
}
private void Start()
{
var deviceIdx = DeviceComboBox.SelectedIndex;
if (int.TryParse(SampleRateTextBox.Text, out var sampleRate) && deviceIdx >= 0 &&
deviceIdx < WaveIn.DeviceCount)
{
memoryStream = new MemoryStream();
waveIn = new WaveIn
{
DeviceNumber = deviceIdx,
WaveFormat = new WaveFormat(sampleRate, 16, WaveIn.GetCapabilities(deviceIdx).Channels)
};
memoryStream = new MemoryStream();
waveFileWriter = new WaveFileWriter(memoryStream, waveIn.WaveFormat);
waveIn.DataAvailable += (sender, args) =>
{
waveFileWriter.Write(args.Buffer, 0, args.BytesRecorded);
waveFileWriter.Flush();
};
waveIn.StartRecording();
}
}
/// <summary>
/// This method uses NAudio to create .wav file on disk using a given AudioClip.
/// </summary>
/// <param name="filePath">Path with filename</param>
/// <param name="audio">AudioClip to export</param>
/// <returns>Returns if the AudioClip could was written to a file on disk.</returns>
public bool TryWriteAudioClipToFile(AudioClip audio, string filePath)
{
try
{
WaveFormat format = new WaveFormat(audio.frequency, audio.channels);
using (WaveFileWriter writer = new WaveFileWriter(File.Create(filePath), format))
{
float[] buffer = new float[audio.samples];
if (audio.GetData(buffer, 0))
{
writer.WriteSamples(buffer, 0, audio.samples);
writer.Flush();
return(true);
}
}
}
catch (UnauthorizedAccessException ex)
{
Debug.LogErrorFormat("Could not write to disk, not authorized\n{0}", ex.Message);
}
catch (Exception ex)
{
Debug.LogErrorFormat("Unknown exception occurred: '{0}'", ex.Message);
}
return(false);
}
/// <summary>
/// スピーカーへ出力する処理
/// </summary>
/// <param name="provider"></param>
async Task SendVoice(BufferedWaveProvider provider)
{
while (play) //再生可能な間ずっとループ処理
{
try
{
buffer.TryDequeue(out WP[] wp); // 分析結果を取り出す
if (wp == null)
{
// 再生するものが無ければ少し待つ
await Task.Delay(20);
continue;
}
converter.ParameterToSignal.AddParameter(wp);
converter.ParameterToSignal.Synthsize(); // 音声信号の合成（この行をコメントアウトしても、同じ処理が次の行のReadSignalで実行されます）
float[] signal = converter.ParameterToSignal.ReadSignal();
byte[] Bbuffer = FloatToByte(signal);
provider.AddSamples(Bbuffer, 0, Bbuffer.Length); // providerに合成結果を流し込む
// 音声をファイル（スピーカー.wav）に保存
waveWriter_Out.Write(Bbuffer, 0, Bbuffer.Length);
waveWriter_Out.Flush();
}
catch (Exception e)
{
ErrorLog("音声合成時に失敗しました。", e);
}
}
}
/// <summary>
/// マイク入力に対する処理
/// </summary>
/// <param name="ee">ここに音声信号が入ってくる</param>
private void ReceiveVoice(object obj, WaveInEventArgs ee)
{
try
{
// 音声をファイル（マイク.wav）に保存
waveWriter_In.Write(ee.Buffer, 0, ee.Buffer.Length);
waveWriter_In.Flush();
float[] signal = ByteToFloat(ee.Buffer); // マイクからの音声信号
converter.SignalToParameter.AddSignal(signal);
converter.SignalToParameter.Analyze(); // 音声信号の分析（この行をコメントアウトしても、同じ処理が次の行のReadParameterで実行されます）
WP[] wp = converter.SignalToParameter.ReadParameter(); // 分析結果の取得
// 音声の加工 ピッチとフォルマントの変更
for (int i = 0; i < wp.Length; i++)
{
wp[i].f0 *= prate;
float[] temp = new float[wp[i].spectrogram.Length];
for (int j = 0; j < wp[i].spectrogram.Length; j++)
{
temp[j] = wp[i].spectrogram[(int)Math.Min(j / srate, wp[i].spectrogram.Length - 1)];
}
wp[i].spectrogram = temp;
}
buffer.Enqueue(wp); // 分析結果（加工済み）をバッファに入れておく SendVoiceで処理される
}
catch (Exception e)
{
ErrorLog("音声分析時に失敗しました。", e);
}
}
public Task Process(string[] lines, string output)
{
void TaskRun()
{
if (_waveFormat == null)
{
_logger.Error("Need init.");
return;
}
using (var stream = new MemoryStream())
using (var writer = new WaveFileWriter(stream, _waveFormat))
{
var lrc = new StringBuilder();
var span = TimeSpan.Zero;
foreach (var line in lines)
{
var items = line.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (items.Length < 1)
{
_logger.Warn($"无效的行： {line}");
continue;
}
var second = 0;
string speech;
if (items.Length > 1)
{
second = int.Parse(items[1]);
speech = $"{items[0]},{second}秒,Go";
}
else
{
speech = items[0];
}
lrc.AppendLine($"[{span:mm\\:ss}.00]{speech}");
second = ProcessLine(speech, second, writer);
span += TimeSpan.FromSeconds(second);
}
File.WriteAllText(Path.ChangeExtension(output, ".lrc"), lrc.ToString());
writer.Flush();
if (Path.GetExtension(output).ToLower() == ".mp3")
{
stream.Seek(0, SeekOrigin.Begin);
using (var mp3 = new LameMP3FileWriter(output, _waveFormat, LAMEPreset.ABR_128))
{
stream.CopyTo(mp3);
}
}
else
{
File.WriteAllBytes(output, stream.ToArray());
}
_logger.Debug("生成完成.");
}
}
return(Task.Run(TaskRun));
}
private void InitSound()
{
var deviceIndex = 0;
//Device Info
if (WaveIn.DeviceCount > 0)
{
var deviceInfo = WaveIn.GetCapabilities(0);
this.label1.Text = String.Format("Device {0}: {1}, {2} channels",
deviceIndex, deviceInfo.ProductName, deviceInfo.Channels);
_wi = new WaveIn()
{
DeviceNumber = deviceIndex
};
//mike receive data
_wi.DataAvailable += (ss, ee) =>
{
for (int index = 0; index < ee.BytesRecorded; index += 2)
{
short sample = (short)((ee.Buffer[index + 1] << 8) | ee.Buffer[index + 0]);
float sample32 = 0;
if (sample > 0)
{
sample32 = sample / 32767f;
}
if (sample < 0)
{
sample32 = sample / 32768f;
}
_recorded1.Add(sample32);
if (_recorded1.Count == _takeDataSize)
{
_p1.UpdatePlot(_recorded1);
_p2.UpdateFFTPlot(_recorded1, _sampleRate);
_recorded1.Clear();
}
//Analyze Do here
//ee.Buffer[index + 1] = AnalyzedData;
//ee.Buffer[index + 0] = AnalyzedData;
}
_writer.Write(ee.Buffer, 0, ee.BytesRecorded);
_writer.Flush();
};
_wi.WaveFormat = new WaveFormat(sampleRate: _sampleRate, channels: deviceInfo.Channels);
//save file
var sPath = Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + @"\file.wav";
_writer = new WaveFileWriter(sPath, _wi.WaveFormat);
}
else
{
RecordButton.Enabled = false;
}
}
/// <summary>
/// Merge two mp3 files and put the merged content in the specified path.
/// </summary>
/// <param name="fileName1"></param>
/// <param name="fileName2"></param>
/// <param name="outputDirectory"></param>
public static void Mp3Merge(string fileName1, string fileName2, string outputDirectory)
{
var fileA = new AudioFileReader(fileName1);
// Calculate our buffer size, since we're normalizing our samples to floats
// we'll need to account for that by dividing the file's audio byte count
// by its bit depth / 8.
var bufferA = new float[fileA.Length / (fileA.WaveFormat.BitsPerSample / 8)];
// Now let's populate our buffer with samples.
fileA.Read(bufferA, 0, bufferA.Length);
// Do it all over again for the other file.
var fileB = new AudioFileReader(fileName2);
var bufferB = new float[fileB.Length / (fileB.WaveFormat.BitsPerSample / 8)];
fileB.Read(bufferB, 0, bufferB.Length);
// Calculate the largest file
var maxLen = (long)Math.Max(bufferA.Length, bufferB.Length);
var final = new byte[maxLen];
// For now, mix data to a wav file.
using (MemoryStream ms = new MemoryStream())
{
var writer = new WaveFileWriter(ms, fileA.WaveFormat);
for (var i = 0; i < maxLen; i++)
{
float a, b;
if (i < bufferA.Length)
{
// Reduce the amplitude of the sample by 2
// to avoid clipping.
a = bufferA[i];// / 2;
}
else
{
a = 0;
}
if (i < bufferB.Length)
{
b = bufferB[i];// / 2;
}
else
{
b = 0;
}
writer.WriteSample(a + b);
writer.Flush();
}
ms.Seek(0, SeekOrigin.Begin);
final = ms.ToArray();
}
ConvertWavStreamToMp3File(outputDirectory, final);
MessageBox.Show("Finished");
}
//Event, writes data from buffer
private static void waveSource_DataAvailable(object sender, WaveInEventArgs e)
{
if (_waveFile != null)
{
_waveFile.Write(e.Buffer, 0, e.BytesRecorded);
_waveFile.Flush();
}
}
private void DataAvailable(object sender, WaveInEventArgs e)
{
if (_waveWriter != null)
{
_waveWriter.Write(e.Buffer, 0, e.BytesRecorded);
_waveWriter.Flush();
}
}
private void WaveIn_DataAvailable(object sender, WaveInEventArgs e)
{
if (waveFile != null)
{
waveFile.Write(e.Buffer, 0, e.BytesRecorded);
waveFile.Flush();
}
}
private void data(object s, WaveInEventArgs e)
{
if (writer != null) // se a stream de escrita estiver instanciada
{
writer.Write(e.Buffer, 0, e.Buffer.Length); // escrever os bytes
writer.Flush();
}
}
public static void writeWav(string path, WaveFormat format, float[] samples)
{
using (WaveFileWriter writer = new WaveFileWriter(path, format))
{
writer.WriteSamples(samples, 0, samples.Length);
writer.Flush();
}
}