Streamで音声データを出力するAPIを追加

src/Speech/Controller/AIVOICEController.cs

@@ -300,6 +300,23 @@ public float GetPitchRange()
             return GetMaster().PitchRange;
         }
 
+        public SoundStream ExportToStream(string text)
+        {
+            _ttsControl.Text = text;
+
+            var filePath = Path.Combine(Path.GetTempPath(), $"{this.GetType().Name}_{(uint)text.GetHashCode()}.wav");
+            if (File.Exists(filePath))
+            {
+                File.Delete(filePath);
+            }
+            _ttsControl.SaveAudioToFile(filePath);
+            if(File.Exists(filePath))
+            {
+                return SoundStream.Open(filePath);
+            }
+            return null;
+        }
+
         #region IDisposable Support
         private bool disposedValue = false;
 

src/Speech/Controller/CeVIO64Controller.cs

@@ -258,6 +258,16 @@ public uint GetVoiceQuality()
             return _talker.Alpha;
         }
 
+        public SoundStream ExportToStream(string text)
+        {
+            string tempFile = Path.GetTempFileName();
+            if (_talker.OutputWaveToFile(text, tempFile))
+            {
+                return SoundStream.Open(tempFile);
+            }
+            return null;
+        }
+
         #region IDisposable Support
         private bool disposedValue = false;
 

src/Speech/Controller/CeVIOAIController.cs

@@ -259,6 +259,16 @@ public uint GetVoiceQuality()
             return _talker.Alpha;
         }
 
+        public SoundStream ExportToStream(string text)
+        {
+            string tempFile = Path.GetTempFileName();
+            if (_talker.OutputWaveToFile(text, tempFile))
+            {
+                return SoundStream.Open(tempFile);
+            }
+            return null;
+        }
+
 
         #region IDisposable Support
         private bool disposedValue = false;

src/Speech/Controller/CeVIOController.cs

@@ -258,6 +258,16 @@ public uint GetVoiceQuality()
             return _talker.Alpha;
         }
 
+        public SoundStream ExportToStream(string text)
+        {
+            string tempFile = Path.GetTempFileName();
+            if (_talker.OutputWaveToFile(text, tempFile))
+            {
+                return SoundStream.Open(tempFile);
+            }
+            return null;
+        }
+
         #region IDisposable Support
         private bool disposedValue = false;
 

src/Speech/Controller/ISpeechController.cs

@@ -76,6 +76,12 @@ public interface ISpeechController
         /// </summary>
         /// <returns>起動していれば true </returns>
         bool IsActive();
+        /// <summary>
+        /// 指定した文字列を合成した音声を取得します
+        /// </summary>
+        /// <param name="text">合成する文字列</param>
+        /// <returns>出力された音声の Stream</returns>
+        SoundStream ExportToStream(string text);
 
     }
 }

src/Speech/Controller/OtomachiUnaTalkController.cs

@@ -254,6 +254,11 @@ private void RestoreMinimizedWindow()
             }
         }
 
+        public SoundStream ExportToStream(string text)
+        {
+            throw new NotImplementedException();
+        }
+
         #region IDisposable Support
         private bool disposedValue = false;
 

src/Speech/Controller/SAPI5Controller.cs

@@ -176,6 +176,16 @@ public float GetPitchRange()
             return 1f;
         }
 
+        public SoundStream ExportToStream(string text)
+        {
+            var ms = new MemoryStream();
+            synthesizer.SetOutputToWaveStream(ms);
+            synthesizer.Speak(text);
+            synthesizer.SetOutputToDefaultAudioDevice();
+            ms.Position = 0;
+            return new SoundStream(ms);
+        }
+
         #region IDisposable Support
         private bool disposedValue = false;
 

src/Speech/Controller/VOICEVOXController.cs

@@ -100,43 +100,23 @@ private string ReplaceParam(string str, string key, float value)
         public void Play(string text)
         {
             string tempFile = Path.GetTempFileName();
-
-            var content = new StringContent("", Encoding.UTF8, @"application/json");
-            var encodeText = Uri.EscapeDataString(text);
-
-            int talkerNo = _enumerator.Names[_libraryName];
-
-            string queryData = "";
-            using (var client = new HttpClient())
+            try
             {
-                try
-                {
-                    var response = client.PostAsync($"{_baseUrl}/audio_query?text={encodeText}&speaker={talkerNo}", content).GetAwaiter().GetResult();
-                    if (response.StatusCode != HttpStatusCode.OK) { return; }
-                    queryData = response.Content.ReadAsStringAsync().GetAwaiter().GetResult();
+                var soundData = ExportToStream(text);
 
-                    // 音量等のパラメータを反映させる
-                    queryData = UpdateParam(queryData);
-
-                    content = new StringContent(queryData, Encoding.UTF8, @"application/json");
-                    response = client.PostAsync($"{_baseUrl}/synthesis?speaker={talkerNo}", content).GetAwaiter().GetResult();
-                    if (response.StatusCode != HttpStatusCode.OK) { return; }
-
-                    var soundData = response.Content.ReadAsStreamAsync().GetAwaiter().GetResult();
-
-                    using (var fileStream = new FileStream(tempFile, FileMode.Create, FileAccess.Write, FileShare.None))
-                    {
-                        soundData.CopyTo(fileStream);
-
-                    }
-
-                    SoundPlayer sp = new SoundPlayer();
-                    sp.Play(tempFile);
-                }
-                finally
+                using (var fileStream = new FileStream(tempFile, FileMode.Create, FileAccess.Write, FileShare.None))
                 {
-                    OnFinished();
+                    soundData.CopyTo(fileStream);
+
                 }
+
+                SoundPlayer sp = new SoundPlayer();
+                sp.Play(tempFile);
+                File.Delete(tempFile);
+            }
+            finally
+            {
+                OnFinished();
             }
 
         }
@@ -220,6 +200,32 @@ public float GetPitchRange()
             return Intonation;
         }
 
+        public SoundStream ExportToStream(string text)
+        {
+            var content = new StringContent("", Encoding.UTF8, @"application/json");
+            var encodeText = Uri.EscapeDataString(text);
+
+            int talkerNo = _enumerator.Names[_libraryName];
+
+            string queryData = "";
+            using (var client = new HttpClient())
+            {
+                var response = client.PostAsync($"{_baseUrl}/audio_query?text={encodeText}&speaker={talkerNo}", content).GetAwaiter().GetResult();
+                if (response.StatusCode != HttpStatusCode.OK) { return null; }
+                queryData = response.Content.ReadAsStringAsync().GetAwaiter().GetResult();
+
+                // 音量等のパラメータを反映させる
+                queryData = UpdateParam(queryData);
+
+                content = new StringContent(queryData, Encoding.UTF8, @"application/json");
+                response = client.PostAsync($"{_baseUrl}/synthesis?speaker={talkerNo}", content).GetAwaiter().GetResult();
+                if (response.StatusCode != HttpStatusCode.OK) { return null; }
+
+                return new SoundStream(response.Content.ReadAsStreamAsync().GetAwaiter().GetResult());
+            }
+        }
+
+
 
         #region IDisposable Support
         private bool disposedValue = false;