public void StartRecord()
{
try
{
_audioCapture = new WasapiLoopbackCapture();
ffmpegProcess = new Process();
ffmpegProcess.StartInfo.FileName = "ffmpeg.exe";
ffmpegProcess.StartInfo.Arguments = $"-f f32le -ac 2 -ar 44100 -i - -ar 8000 -ac 1 -f s16le -";
ffmpegProcess.StartInfo.RedirectStandardInput = true;
ffmpegProcess.StartInfo.RedirectStandardOutput = true;
ffmpegProcess.StartInfo.UseShellExecute = false;
ffmpegProcess.StartInfo.CreateNoWindow = true;
ffmpegProcess.Start();
_audioCapture.RecordingStopped += OnRecordingStopped;
_audioCapture.DataAvailable += OnDataAvailable;
InfoMessage?.Invoke(this, "Запись...");
_audioCapture.StartRecording();
}
catch (Exception e)
{
InfoMessage?.Invoke(this, $"Ошибка: {e.Message}");
}
}
public void Work()
{
try
{
filenames = new ConcurrentQueue <string>(Directory.GetFiles(_img_path, "*.jpg"));
}
catch (DirectoryNotFoundException exc)
{
ErrMessage?.Invoke("Directory doesn't exist!");
return;
}
_stopSignal = new ManualResetEvent(false);
var max_proc_count = Environment.ProcessorCount;
Thread[] threads = new Thread[max_proc_count];
for (int i = 0; i < max_proc_count; ++i)
{
InfoMessage?.Invoke("Statring thread");
threads[i] = new Thread(worker);
threads[i].Start();
}
InfoMessage?.Invoke("Done!");
}
private void OnRecordingStopped(object sender, StoppedEventArgs err)
{
if (err.Exception != null)
{
InfoMessage?.Invoke(this, $"Ошибка: {err.Exception.Message}");
}
ffmpegProcess?.StandardOutput.Close();
ffmpegProcess?.StandardInput.Close();
ffmpegProcess?.Kill();
_audioCapture.RecordingStopped -= OnRecordingStopped;
_audioCapture.DataAvailable -= OnDataAvailable;
_audioCapture.Dispose();
_audioCapture = null;
_threadSafeBoolBackValue = 0;
Task.Run(() => { _transportService.SendFinalData(); }).Wait();
Task.Run(() => { _transportService.CloseConnection(); }).Wait();
InfoMessage?.Invoke(this, "Запись остановлена");
RecordLevel?.Invoke(this, 0.0F);
RecordStopped?.Invoke(this, EventArgs.Empty);
}
public async Task TranscribeFile(string filePath)
{
InfoMessage.Invoke(this, "Обработка файла...");
_cancellationTokenSource = new CancellationTokenSource();
CancellationToken cancellationToken = _cancellationTokenSource.Token;
var process = new Process();
process.StartInfo.FileName = "ffmpeg.exe";
process.StartInfo.Arguments = $"-i \"{filePath}\" -ar 8000 -ac 1 -f s16le -";
process.StartInfo.RedirectStandardInput = false;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.RedirectStandardError = true;
process.StartInfo.UseShellExecute = false;
process.StartInfo.CreateNoWindow = true;
process.Start();
var task = Task.Run(() =>
{
FFmpegPercentageParser ffmpegParser = new FFmpegPercentageParser();
string line;
int previousPercent;
while ((line = process.StandardError.ReadLine()) != null && !cancellationToken.IsCancellationRequested)
{
ffmpegParser.Parse(line);
if (ffmpegParser.GetPercentCompleted() is int currentPercent)
{
previousPercent = currentPercent;
PercentageTranscribed?.Invoke(this, currentPercent);
}
}
});
var buffer = new byte[8000];
int read;
while ((read = process.StandardOutput.BaseStream.Read(buffer, 0, buffer.Length)) > 0 && !cancellationToken.IsCancellationRequested)
{
await _transportService.SendData(buffer, read);
}
await _transportService.SendFinalData();
await _transportService.CloseConnection();
process.Kill();
_cancellationTokenSource.Dispose();
_cancellationTokenSource = null;
InfoMessage.Invoke(this, "Операция завершена");
}
private void worker()
{
string name;
while (filenames.TryDequeue(out name))
{
if (_stopSignal.WaitOne(0))
{
ErrMessage?.Invoke("Stopping Thread by signal");
return;
}
ResultEvent?.Invoke(Predict(ImageToTensor(name), name));
}
InfoMessage?.Invoke("Stopping thread normally");
}
//public void Stop() => _ct.Cancel();
private void worker()
{
string name;
while (filenames.TryDequeue(out name))
{
//Console.WriteLine("here working");
if (_ct.IsCancellationRequested || _stopSignal.WaitOne(0))
{
Console.WriteLine("sssss");
ErrMessage?.Invoke("Stopping Thread by signal");
return;
}
//Console.WriteLine("here after");
var current_res = Predict_with_db(ImageToTensor(name), name);
ResultEvent?.Invoke(current_res);
}
InfoMessage?.Invoke("Stopping thread normally");
}
private void ProcessServerResponse(object sender, string rawStr)
{
try
{
JObject respond = JObject.Parse(rawStr);
if (respond.ContainsKey("partial"))
{
_transcriptionModel.Partial = respond["partial"].ToString();
}
if (respond.ContainsKey("text"))
{
_transcriptionModel.Text = respond["text"].ToString();
}
HandledServerResponse?.Invoke(this, _transcriptionModel.Text);
}
catch (JsonReaderException e)
{
InfoMessage?.Invoke(this, e.Message);
}
}
public void Stop()
{
_cancellationTokenSource?.Cancel();
InfoMessage?.Invoke(this, "Обработка файла отменена");
}
protected virtual void OnInfoMessage(string e)
{
InfoMessage?.Invoke(this, e);
}
public void StopRecording()
{
InfoMessage?.Invoke(this, "Запись останавливается...");
_audioCapture?.StopRecording();
}
protected void OnInfoMessage(string message)
{
InfoMessage?.Invoke(this, message);
}
protected void InvokeInfoMessage(IReadOnlyCollection <InfoMessage> messages) => InfoMessage?.Invoke(messages);
internal void OnInfoMessage(MySqlInfoMessageEventArgs args)
{
InfoMessage?.Invoke(this, args);
}
protected void LogInfoMessage(string message)
{
InfoMessage?.Invoke(message);
}
internal void OnInfoMessage(string message) => InfoMessage?.Invoke(message);
private void LogSlideProcessing(string prefix, Slide slide)
{
InfoMessage?.Invoke(prefix + " " + slide.Info.Unit.Title + " - " + slide.Title);
}
private void InfoMessageEvent(object sender, SqlInfoMessageEventArgs e)
{
InfoMessage?.Invoke(_connection, e);
}
private void Conexion_InfoMessage(object sender, SqlInfoMessageEventArgs e)
{
InfoMessage?.Invoke(e);
}
public static void Info(object sender, string message, string details = null)
{
InfoMessage?.Invoke(sender, message, details);
}
private void TakoDbContext_InfoMessage(object sender, SqlInfoMessageEventArgs e)
{
InfoMessage?.Invoke(sender, e);
}
private static void OnInfoMsg(string content)
{
InfoMessage?.Invoke(null, content);
}
private void OnWarningMessage(IscException warning)
{
InfoMessage?.Invoke(this, new FbInfoMessageEventArgs(warning));
}
internal void OnInfoMessage(string value)
{
InfoMessage?.Invoke(value);
}
