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Added speech recognition, but it's not source gen'd
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| @typeparam T where T : class | ||
|
|
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| @if (Value is not null) | ||
| { | ||
| <pre class="bg-dark @(_textClass) fs-4 p-4"> | ||
| <code> | ||
| @{ | ||
| var opts = new JsonSerializerOptions() | ||
| { | ||
| WriteIndented = true, | ||
| PropertyNamingPolicy = JsonNamingPolicy.CamelCase, | ||
| DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull | ||
| }; | ||
| } | ||
| @Value?.ToJson(opts) | ||
| </code> | ||
| </pre> | ||
| } | ||
|
|
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| @code { | ||
| [Parameter, EditorRequired] | ||
| public T? Value { get; set; } = default!; | ||
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| [Parameter] | ||
| public bool IsError { get; set; } | ||
|
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| string _textClass => IsError ? "text-warning" : "text-info"; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| @page "/listen" | ||
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| <PageTitle>Speech-to-text</PageTitle> | ||
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| <p>This page demonstrates the source generated <code>Blazor.SpeechRecongition.WebAssembly</code> package.</p> | ||
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| <div class="mb-3 w-75"> | ||
| <label for="text" class="form-label"> | ||
| Speech-to-text | ||
| </label> | ||
| <textarea class="form-control" id="text" | ||
| readonly=@_isRecognizingSpeech rows="6" @bind=@_transcript> | ||
| </textarea> | ||
| </div> | ||
| <Code Value=@_errorEvent T=SpeechRecognitionErrorEvent IsError=true /> | ||
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| <button type="button" class="btn btn-lg btn-primary" | ||
| @onclick=@OnRecognizeSpeechClick> | ||
| @if (_isRecognizingSpeech) | ||
| { | ||
| <span class="oi oi-media-stop"></span> | ||
| <span class="ps-2">Stop</span> | ||
| } | ||
| else | ||
| { | ||
| <span class="oi oi-microphone"></span> | ||
| <span class="ps-2">Listen</span> | ||
| } | ||
| </button> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| // Copyright (c) David Pine. All rights reserved. | ||
| // Licensed under the MIT License. | ||
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| namespace Blazor.ExampleConsumer.Pages; | ||
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| public sealed partial class ListenToMe : IAsyncDisposable | ||
| { | ||
| bool _isRecognizingSpeech = false; | ||
| SpeechRecognitionErrorEvent? _errorEvent; | ||
| string? _transcript; | ||
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| [Inject] | ||
| public ISpeechRecognitionService SpeechRecognition { get; set; } = null!; | ||
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| protected override async Task OnAfterRenderAsync(bool firstRender) | ||
| { | ||
| if (firstRender) | ||
| { | ||
| await SpeechRecognition.InitializeModuleAsync(); | ||
| } | ||
| } | ||
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| void OnRecognizeSpeechClick() | ||
| { | ||
| if (_isRecognizingSpeech) | ||
| { | ||
| SpeechRecognition.CancelSpeechRecognition(false); | ||
| } | ||
| else | ||
| { | ||
| var bcp47Tag = CurrentUICulture.Name; | ||
| SpeechRecognition.RecognizeSpeech( | ||
| bcp47Tag, | ||
| OnRecognized, | ||
| OnError, | ||
| OnStarted, | ||
| OnEnded); | ||
| } | ||
| } | ||
|
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| void OnStarted() | ||
| { | ||
| _isRecognizingSpeech = true; | ||
| StateHasChanged(); | ||
| } | ||
|
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| void OnEnded() | ||
| { | ||
| _isRecognizingSpeech = false; | ||
| StateHasChanged(); | ||
| } | ||
|
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| void OnError(SpeechRecognitionErrorEvent errorEvent) | ||
| { | ||
| _errorEvent = errorEvent; | ||
| StateHasChanged(); | ||
| } | ||
|
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| void OnRecognized(string transcript) | ||
| { | ||
| _transcript = _transcript switch | ||
| { | ||
| null => transcript, | ||
| _ => $"{_transcript.Trim()} {transcript}".Trim() | ||
| }; | ||
| StateHasChanged(); | ||
| } | ||
|
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| public async ValueTask DisposeAsync() | ||
| { | ||
| if (SpeechRecognition is not null) | ||
| { | ||
| await SpeechRecognition.DisposeAsync(); | ||
| } | ||
| } | ||
| } |
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