/// <summary>
/// 关闭语音识别方法
/// </summary>
/// <param name="provider"></param>
/// <param name="callback"></param>
/// <returns></returns>
public static async Task CloseAsync(this IRecognizerProvider provider, Func <RecognizerStatus, string?, Task> callback)
{
var option = new RecognizerOption()
{
MethodName = "bb_azure_close_recognizer",
Callback = callback
};
await provider.InvokeAsync(option);
}
/// <summary>
/// 关闭语音识别方法
/// </summary>
/// <param name="provider"></param>
/// <param name="callback"></param>
/// <returns></returns>
public static async Task CloseAsync(this IRecognizerProvider provider, Func <RecognizerStatus, string?, Task>?callback = null)
{
var option = new RecognizerOption()
{
MethodName = "bb_baidu_speech_close",
Callback = callback
};
await provider.InvokeAsync(option);
}
public async Task InvokeAsync(RecognizerOption option)
{
var method = option.MethodName;
var language = option.TargetLanguage;
var recognitionLanguage = option.SpeechRecognitionLanguage;
if (option.Callback != null)
{
await option.Callback(RecognizerStatus.Start, "MockSpeechProvider");
}
}
/// <summary>
/// 回调方法
/// </summary>
/// <param name="option"></param>
/// <returns></returns>
/// <exception cref="InvalidOperationException"></exception>
public async Task InvokeAsync(RecognizerOption option)
{
if (!string.IsNullOrEmpty(option.MethodName))
{
Option = option;
if (Module == null)
{
var moduleName = "./_content/BootstrapBlazor.BaiduSpeech/js/recognizer.js";
Logger.LogInformation($"load module {moduleName}");
Module = await JSRuntime.InvokeAsync <IJSObjectReference>("import", moduleName);
}
Interop ??= DotNetObjectReference.Create(this);
await Module.InvokeVoidAsync(Option.MethodName, Interop, nameof(RecognizeCallback), Option.AutoRecoginzerElapsedMilliseconds);
}
}
/// <summary>
/// 语音识别方法
/// </summary>
/// <param name="provider"></param>
/// <param name="callback"></param>
/// <param name="autoRecoginzerElapsedMilliseconds">默认 5000 毫秒后自动识别，设置 0 时禁用</param>
public static async Task RecognizeOnceAsync(this IRecognizerProvider provider, Func <RecognizerStatus, string?, Task> callback, int?autoRecoginzerElapsedMilliseconds = null)
{
var option = new RecognizerOption()
{
MethodName = "bb_baidu_speech_recognizeOnce",
Callback = callback
};
// 设置自动识别时间
if (autoRecoginzerElapsedMilliseconds.HasValue)
{
option.AutoRecoginzerElapsedMilliseconds = autoRecoginzerElapsedMilliseconds.Value;
}
await provider.InvokeAsync(option);
}
/// <summary>
/// 回调方法
/// </summary>
/// <param name="option"></param>
/// <returns></returns>
public async Task InvokeAsync(RecognizerOption option)
{
if (!string.IsNullOrEmpty(option.MethodName))
{
// 通过 SubscriptionKey 交换 Token
var token = await ExchangeToken();
Option = option;
if (Module == null)
{
Module = await JSRuntime.InvokeAsync <IJSObjectReference>("import", "./_content/BootstrapBlazor.AzureSpeech/js/speech.js");
}
Interop ??= DotNetObjectReference.Create(this);
await Module.InvokeVoidAsync(Option.MethodName, Interop, nameof(Callback), token, SpeechOption.Region, option.SpeechRecognitionLanguage, option.TargetLanguage, option.AutoRecoginzerElapsedMilliseconds);
}
}
public async Task Recognizer_Ok()
{
var result = "";
var recognizerService = Context.Services.GetRequiredService <RecognizerService>();
var option = new RecognizerOption()
{
MethodName = "Test",
TargetLanguage = "zh-CN",
SpeechRecognitionLanguage = "zh-CN",
AutoRecoginzerElapsedMilliseconds = 5000,
Callback = new Func <RecognizerStatus, string?, Task>((status, v) =>
{
result = v;
return(Task.CompletedTask);
})
};
await recognizerService.InvokeAsync(option);
Assert.Equal("MockSpeechProvider", result);
Assert.Equal(5000, option.AutoRecoginzerElapsedMilliseconds);
}
/// <summary> /// 语音识别回调方法 /// </summary> /// <param name="option"></param> /// <returns></returns> public Task InvokeAsync(RecognizerOption option) => Provider.InvokeAsync(option);