Create shared classlib

speech-translator.sln

@@ -16,6 +16,12 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "ソリューション項目
 		README.md = README.md
 	EndProjectSection
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SpeechTranslatorShared", "src\Shared\SpeechTranslatorShared.csproj", "{FF0262A4-994A-4237-88E4-1049E03E85D3}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{00192D0A-A300-4EA4-A6BA-D193D73004D5}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SpeechTranslatorShared.Tests", "tests\Shared.Tests\SpeechTranslatorShared.Tests.csproj", "{EA08923B-519F-40CB-B219-4826FE0954F2}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -26,11 +32,24 @@ Global
 		{CFD1A73A-09D2-46F2-8E34-0247E0D19A5B}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{CFD1A73A-09D2-46F2-8E34-0247E0D19A5B}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{CFD1A73A-09D2-46F2-8E34-0247E0D19A5B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FF0262A4-994A-4237-88E4-1049E03E85D3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FF0262A4-994A-4237-88E4-1049E03E85D3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FF0262A4-994A-4237-88E4-1049E03E85D3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FF0262A4-994A-4237-88E4-1049E03E85D3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EA08923B-519F-40CB-B219-4826FE0954F2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EA08923B-519F-40CB-B219-4826FE0954F2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EA08923B-519F-40CB-B219-4826FE0954F2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EA08923B-519F-40CB-B219-4826FE0954F2}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{CFD1A73A-09D2-46F2-8E34-0247E0D19A5B} = {358DED3F-4540-44E2-993E-AA7BB7E61EE6}
+		{FF0262A4-994A-4237-88E4-1049E03E85D3} = {358DED3F-4540-44E2-993E-AA7BB7E61EE6}
+		{EA08923B-519F-40CB-B219-4826FE0954F2} = {00192D0A-A300-4EA4-A6BA-D193D73004D5}
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {2C0686D0-47ED-4A5B-A104-962D1DA98B29}
 	EndGlobalSection
 EndGlobal

src/Shared/GlobalUsings.cs

@@ -0,0 +1,3 @@
+global using Microsoft.CognitiveServices.Speech;
+global using Microsoft.CognitiveServices.Speech.Audio;
+global using Microsoft.CognitiveServices.Speech.Translation;

src/Shared/SpeechTranslatorShared.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.CognitiveServices.Speech" Version="1.33.0" />
+  </ItemGroup>
+
+</Project>

src/Shared/TranslationRecognizerWorkerBase.cs

@@ -0,0 +1,18 @@
+namespace SpeechTranslatorShared;
+
+public abstract class TranslationRecognizerWorkerBase
+{
+    public abstract void OnRecognizing(TranslationRecognitionEventArgs e);
+
+    public abstract void OnRecognized(TranslationRecognitionEventArgs e);
+
+    public abstract void OnCanceled(TranslationRecognitionCanceledEventArgs e);
+
+    public abstract void OnSpeechStartDetected(RecognitionEventArgs e);
+
+    public abstract void OnSpeechEndDetected(RecognitionEventArgs e);
+
+    public abstract void OnSessionStarted(SessionEventArgs e);
+
+    public abstract void OnSessionStopped(SessionEventArgs e);
+}

src/Shared/Translator.cs

@@ -0,0 +1,77 @@
+namespace SpeechTranslatorShared;
+
+public class Translator
+{
+    private readonly SpeechTranslationConfig _speechTranslationConfig;
+
+    public Translator(Uri endpointUrl, string subscriptionKey, string recognitionLanguage = "en-US", string targetLanguage = "ja-JP")
+    {
+        if (endpointUrl is null)
+        {
+            throw new ArgumentNullException(nameof(endpointUrl));
+        }
+
+        if (string.IsNullOrWhiteSpace(subscriptionKey))
+        {
+            throw new ArgumentException($"'{nameof(subscriptionKey)}' を NULL または空にすることはできません。", nameof(subscriptionKey));
+        }
+
+        if (string.IsNullOrWhiteSpace(recognitionLanguage))
+        {
+            throw new ArgumentException($"'{nameof(recognitionLanguage)}' を NULL または空にすることはできません。", nameof(recognitionLanguage));
+        }
+
+        if (string.IsNullOrWhiteSpace(targetLanguage))
+        {
+            throw new ArgumentException($"'{nameof(targetLanguage)}' を NULL または空にすることはできません。", nameof(targetLanguage));
+        }
+
+        _speechTranslationConfig = SpeechTranslationConfig.FromEndpoint(endpointUrl, subscriptionKey);
+        _speechTranslationConfig.SpeechRecognitionLanguage = recognitionLanguage;
+        _speechTranslationConfig.AddTargetLanguage(targetLanguage);
+        _speechTranslationConfig.SetProperty(PropertyId.SpeechServiceConnection_TranslationVoice, "de-DE-Hedda");
+    }
+
+    public async Task MultiLingualTranslation(TranslationRecognizerWorkerBase worker)
+    {
+        if (worker is null)
+        {
+            throw new ArgumentNullException(nameof(worker));
+        }
+
+        var autoDetectSourceLanguageConfig = AutoDetectSourceLanguageConfig.FromLanguages([_speechTranslationConfig.SpeechRecognitionLanguage]);
+        var stopTranslation = new TaskCompletionSource<int>();
+
+        using (var audioInput = AudioConfig.FromDefaultMicrophoneInput())
+        using (var recognizer = new TranslationRecognizer(_speechTranslationConfig, autoDetectSourceLanguageConfig, audioInput))
+        {
+            recognizer.Recognizing += (s, e) => worker.OnRecognizing(e);
+
+            recognizer.Recognized += (s, e) => worker.OnRecognized(e);
+
+            recognizer.Canceled += (s, e) =>
+            {
+                stopTranslation.TrySetResult(0);
+                worker.OnCanceled(e);
+            };
+
+            recognizer.SpeechStartDetected += (s, e) => worker.OnSpeechStartDetected(e);
+
+            recognizer.SpeechEndDetected += (s, e) => worker.OnSpeechEndDetected(e);
+
+            recognizer.SessionStarted += (s, e) => worker.OnSessionStarted(e);
+
+            recognizer.SessionStopped += (s, e) =>
+            {
+                stopTranslation.TrySetResult(0);
+                worker.OnSessionStopped(e);
+            };
+
+            // Starts continuous recognition. Uses StopContinuousRecognitionAsync() to stop recognition.
+            await recognizer.StartContinuousRecognitionAsync().ConfigureAwait(false);
+
+            Task.WaitAny(new[] { stopTranslation.Task });
+            await recognizer.StopContinuousRecognitionAsync().ConfigureAwait(false);
+        }
+    }
+}

src/SpeechTranslatorConsole/GlobalUsings.cs

@@ -0,0 +1,9 @@
+global using System.Text;
+
+global using Microsoft.CognitiveServices.Speech;
+global using Microsoft.CognitiveServices.Speech.Translation;
+global using Microsoft.Extensions.Configuration;
+
+global using SpeechTranslatorConsole;
+
+global using SpeechTranslatorShared;

src/SpeechTranslatorConsole/Program.cs

@@ -1,12 +1,4 @@
-using System.Text;
-using Microsoft.CognitiveServices.Speech;
-using Microsoft.CognitiveServices.Speech.Audio;
-using Microsoft.CognitiveServices.Speech.Translation;
-using Microsoft.Extensions.Configuration;
-
-using SpeechTranslatorConsole;
-
-const string directoryName = "recordings";
+const string directoryName = "recordings";
 
 var environmentName = Environment.GetEnvironmentVariable("DOTNETCORE_ENVIRONMENT") ?? "Development";
 
@@ -18,6 +10,7 @@
 
 Settings? settings = config.GetRequiredSection(nameof(Settings)).Get<Settings>();
 var region = settings?.Region ?? throw new ArgumentNullException("region");
+var endpointUrl = new Uri($"wss://{region}.stt.speech.microsoft.com/speech/universal/v2");
 var subscriptionKey = settings?.SubscriptionKey ?? throw new ArgumentNullException("subscriptionKey");
 var fromLanguage = DetermineLanguage("speaker") ?? throw new ArgumentNullException("fromLanguage");
 Console.WriteLine();
@@ -26,23 +19,20 @@
 
 Console.Write("Record file name: ");
 var filePath = Console.ReadLine() ?? throw new ArgumentNullException("filePath");
+Console.WriteLine();
 
 if (!Directory.Exists(directoryName))
 {
     Directory.CreateDirectory(directoryName);
     Console.WriteLine("The directory was created successfully at {0}.", Directory.GetCreationTime(directoryName));
 }
 
-var endpointString = $"wss://{region}.stt.speech.microsoft.com/speech/universal/v2";
-var endpointUrl = new Uri(endpointString);
-var speechTranslationConfig = SpeechTranslationConfig.FromEndpoint(endpointUrl, subscriptionKey);
-speechTranslationConfig.SpeechRecognitionLanguage = fromLanguage;
-speechTranslationConfig.AddTargetLanguage(targetLanguage);
-speechTranslationConfig.SetProperty(PropertyId.SpeechServiceConnection_TranslationVoice, "de-DE-Hedda");
+var translator = new Translator(endpointUrl, subscriptionKey, fromLanguage, targetLanguage);
+var worker = new TranslationRecognizerWorker($"{directoryName}/{filePath}.txt");
 
 try
 {
-    await MultiLingualTranslation($"{directoryName}/{filePath}.txt", speechTranslationConfig);
+    await translator.MultiLingualTranslation(worker);
 }
 catch (Exception e)
 {
@@ -66,114 +56,3 @@
         _ => null
     };
 }
-
-static async Task MultiLingualTranslation(string filepath, SpeechTranslationConfig config)
-{
-    var autoDetectSourceLanguageConfig = AutoDetectSourceLanguageConfig.FromLanguages(new string[] { config.SpeechRecognitionLanguage });
-
-    var stopTranslation = new TaskCompletionSource<int>();
-    using (var audioInput = AudioConfig.FromDefaultMicrophoneInput())
-    {
-        using (var recognizer = new TranslationRecognizer(config, autoDetectSourceLanguageConfig, audioInput))
-        {
-            recognizer.Recognizing += (s, e) =>
-            {
-                Console.Write(".");
-
-                //var lidResult = e.Result.Properties.GetProperty(PropertyId.SpeechServiceConnection_AutoDetectSourceLanguageResult);
-
-                //Console.WriteLine($"RECOGNIZING in '{lidResult}': Text={e.Result.Text}");
-                //foreach (var element in e.Result.Translations)
-                //{
-                //    Console.WriteLine($"    TRANSLATING into '{element.Key}': {element.Value}");
-                //}
-            };
-
-            recognizer.Recognized += (s, e) =>
-            {
-                Console.WriteLine();
-                Console.WriteLine();
-
-                if (e.Result.Reason == ResultReason.TranslatedSpeech)
-                {
-                    var sw = new StreamWriter(filepath, true, Encoding.UTF8);
-
-                    var lidResult = e.Result.Properties.GetProperty(PropertyId.SpeechServiceConnection_AutoDetectSourceLanguageResult);
-
-                    // Console.WriteLine($"RECOGNIZED in '{lidResult}': Text={e.Result.Text}");
-                    Console.WriteLine($"{e.Result.Text}");
-                    sw.WriteLine($"{e.Result.Text}");
-                    foreach (var element in e.Result.Translations)
-                    {
-                        // Console.WriteLine($"    TRANSLATED into '{element.Key}': {element.Value}");
-                        Console.WriteLine($"{element.Value}");
-                        sw.WriteLine($"{element.Value}");
-                    }
-
-                    sw.WriteLine();
-                    sw.Close();
-                }
-                else if (e.Result.Reason == ResultReason.RecognizedSpeech)
-                {
-                    Console.WriteLine($"RECOGNIZED: Text={e.Result.Text}");
-                    Console.WriteLine($"    Speech not translated.");
-                }
-                else if (e.Result.Reason == ResultReason.NoMatch)
-                {
-                    Console.WriteLine($"NOMATCH: Speech could not be recognized.");
-                }
-
-                Console.WriteLine();
-            };
-
-            recognizer.Canceled += (s, e) =>
-            {
-                Console.WriteLine($"CANCELED: Reason={e.Reason}");
-
-                if (e.Reason == CancellationReason.Error)
-                {
-                    Console.WriteLine($"CANCELED: ErrorCode={e.ErrorCode}");
-                    Console.WriteLine($"CANCELED: ErrorDetails={e.ErrorDetails}");
-                    Console.WriteLine($"CANCELED: Did you set the speech resource key and region values?");
-                }
-
-                stopTranslation.TrySetResult(0);
-                Console.WriteLine();
-            };
-
-            recognizer.SpeechStartDetected += (s, e) =>
-            {
-                Console.WriteLine("\nSpeech start detected event.");
-                Console.WriteLine();
-            };
-
-            recognizer.SpeechEndDetected += (s, e) =>
-            {
-                Console.WriteLine("\nSpeech end detected event.");
-                Console.WriteLine();
-            };
-
-            recognizer.SessionStarted += (s, e) =>
-            {
-                Console.WriteLine("\nSession started event.");
-                Console.WriteLine();
-            };
-
-            recognizer.SessionStopped += (s, e) =>
-            {
-                Console.WriteLine("\nSession stopped event.");
-                Console.WriteLine($"\nStop translation.");
-                Console.WriteLine();
-                stopTranslation.TrySetResult(0);
-            };
-
-            // Starts continuous recognition. Uses StopContinuousRecognitionAsync() to stop recognition.
-            Console.WriteLine("Start translation...");
-            Console.WriteLine();
-            await recognizer.StartContinuousRecognitionAsync().ConfigureAwait(false);
-
-            Task.WaitAny(new[] { stopTranslation.Task });
-            await recognizer.StopContinuousRecognitionAsync().ConfigureAwait(false);
-        }
-    }
-}

src/SpeechTranslatorConsole/SpeechTranslatorConsole.csproj

@@ -15,6 +15,10 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="8.0.0" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\Shared\SpeechTranslatorShared.csproj" />
+  </ItemGroup>
+
   <ItemGroup>
     <None Update="appsettings.Development.json">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>