public async Task RecognizeCallback(RecognizerStatus status, byte[]?bytes)
{
Logger.LogInformation($"RecognizerStatus: {status}");
string data = "";
if (status == RecognizerStatus.Finished)
{
// 此处同步调用卡 UI 改为异步
await Task.Run(() =>
{
var result = Client.Recognize(bytes, "wav", 16000);
var err_no = result.Value <int>("err_no");
if (err_no == 0)
{
var sb = new StringBuilder();
var text = result["result"].ToArray();
foreach (var item in text)
{
sb.Append(item.ToString());
}
data = sb.ToString();
Logger.LogInformation($"recognizer: {data}");
}
else
{
Logger.LogError($"err_no: {err_no}");
}
});
}
if (Option.Callback != null)
{
await Option.Callback(status, data);
}
}
public async Task Callback(RecognizerStatus status, string result)
{
Logger.LogInformation($"RecognizerStatus: {status} Result: {result}");
if (Option.Callback != null)
{
await Option.Callback(status, result);
}
}
private Task Recognize(RecognizerStatus status, string?result)
{
if (status == RecognizerStatus.Start)
{
Start = true;
ButtonText = "结束识别";
}
else if (status == RecognizerStatus.Finished)
{
Result = result;
Start = false;
ButtonText = "开始识别";
}
else
{
Result = "";
Start = false;
ButtonText = "开始识别";
}
StateHasChanged();
return(Task.CompletedTask);
}
void DoThread()
{
lock (lockThis)
{
try
{
prevGeneratedText = string.Empty;
while (allowThreading)
{
string generatedText = GetGeneratedText();
// Return if the wasn't any text generated.
if (string.IsNullOrEmpty(generatedText))
{
continue;
}
// Check for any changes to the text generated.
if (!string.Equals(prevGeneratedText, generatedText))
{
// Update
prevGeneratedText = generatedText;
switch (generatedText)
{
case "RECOGNITION STARTED":
case "[Braina]RECOGNITION STARTED[HLI]":
status = RecognizerStatus.Started;
UpdateGeneratedText(string.Empty);
break;
case "RECOGNITION STOPPED":
case "[Braina]RECOGNITION STOPPED[HLI]":
status = RecognizerStatus.Stopped;
UpdateGeneratedText(string.Empty);
break;
default:
if (status == RecognizerStatus.Started || status == RecognizerStatus.Listening)
{
string pattern = @"\[Braina\](.+)\[HLI\]";
Match match = Regex.Match(generatedText, pattern, RegexOptions.IgnoreCase);
if (match.Success)
{
generatedText = match.Captures[0].Value;
status = RecognizerStatus.Listening;
UpdateGeneratedText(generatedText);
}
}
break;
}
}
}
}
catch (Exception)
{
// Statement to handle the exception.
}
finally
{
UpdateGeneratedText(string.Empty);
status = RecognizerStatus.Stopped;
}
}
}
