public IActionResult SpeectTextFromPost([FromBody] SpeechModel speech_model)
{
Setting.Lock();
try
{
if (speech_model.SpeakerSetting != null &&
speech_model.SpeakerSetting.VoiceDbName.Length > 0 &&
speech_model.SpeakerSetting.SpeakerName.Length > 0 &&
AitalkWrapper.Parameter.CurrentSpeakerName != speech_model.SpeakerSetting.SpeakerName)
{
var error_message = Setting.ApplySpeakerSetting(speech_model.SpeakerSetting);
if (error_message != null)
{
return(BadRequest($"Saved but {error_message}"));
}
}
// 話者パラメータを設定する
var speaker = speech_model.Speaker ?? new SpeakerModel();
AitalkWrapper.Parameter.VoiceVolume = (0 <= speaker.Volume) ? speaker.Volume : Setting.DefaultSpeakerParameter.Volume;
AitalkWrapper.Parameter.VoiceSpeed = (0 <= speaker.Speed) ? speaker.Speed : Setting.DefaultSpeakerParameter.Speed;
AitalkWrapper.Parameter.VoicePitch = (0 <= speaker.Pitch) ? speaker.Pitch : Setting.DefaultSpeakerParameter.Pitch;
AitalkWrapper.Parameter.VoiceEmphasis = (0 <= speaker.Emphasis) ? speaker.Emphasis : Setting.DefaultSpeakerParameter.Emphasis;
AitalkWrapper.Parameter.PauseMiddle = (0 <= speaker.PauseMiddle) ? speaker.PauseMiddle : Setting.DefaultSpeakerParameter.PauseMiddle;
AitalkWrapper.Parameter.PauseLong = (0 <= speaker.PauseLong) ? speaker.PauseLong : Setting.DefaultSpeakerParameter.PauseLong;
AitalkWrapper.Parameter.PauseSentence = (0 <= speaker.PauseSentence) ? speaker.PauseSentence : Setting.DefaultSpeakerParameter.PauseSentence;
// テキストが与えられた場合は仮名に変換する
string kana = null;
if ((speech_model.Kana != null) && (0 < speech_model.Kana.Length))
{
kana = speech_model.Kana;
}
else if ((speech_model.Text != null) && (0 < speech_model.Text.Length))
{
kana = AitalkWrapper.TextToKana(speech_model.Text, Setting.System.KanaTimeout);
}
if ((kana == null) || (kana.Length <= 0))
{
return(new NoContentResult());
}
// 音声変換して結果を返す
var wave_stream = new MemoryStream();
AitalkWrapper.KanaToSpeech(kana, wave_stream, Setting.System.SpeechTimeout);
return(new FileContentResult(wave_stream.ToArray(), "audio/wav"));
}
catch (Exception)
{
return(new NoContentResult());
}
finally
{
Setting.Unlock();
}
}
public string ConvertTextFromPost([FromBody] SpeechModel speech_model)
{
Setting.Lock();
try
{
if ((speech_model.Text == null) || (speech_model.Text.Length <= 0))
{
return(null);
}
return(AitalkWrapper.TextToKana(speech_model.Text, Setting.System.KanaTimeout));
}
catch (Exception)
{
return(null);
}
finally
{
Setting.Unlock();
}
}
// リクエストを処理する
private void ProcessRequest(HttpListenerContext context)
{
HttpListenerRequest request = context.Request;
HttpListenerResponse responce = context.Response;
try
{
if (request.HttpMethod != "GET")
{
throw new NotImplementedException();
}
int offset = 0;
string path = request.RawUrl.Substring(1);
var query = HttpUtility.ParseQueryString(request.Url.Query);
// メソッド名を調べる
if (UrlMatch(path, "kana/", ref offset) == true)
{
// 仮名変換メソッドを呼び出している
if (UrlMatch(path, "fromtext/", ref offset) == false)
{
throw new ArgumentException("変換するテキストが指定されていません。");
}
// 変換するテキストを取得する
string text_encoded = path.Substring(offset, path.Length - offset);
string text = HttpUtility.UrlDecode(text_encoded);
string kana = AitalkWrapper.TextToKana(text, Config.KanaTimeout);
// 仮名を返す
byte[] result = Encoding.UTF8.GetBytes(kana);
responce.OutputStream.Write(result, 0, result.Length);
responce.ContentEncoding = Encoding.UTF8;
responce.ContentType = "text/plain";
}
else if (UrlMatch(path, "speech/", ref offset) == true)
{
// 音声変換メソッドを呼び出している
string kana = null;
if (UrlMatch(path, "fromtext/", ref offset) == true)
{
// テキストが入力されたときは仮名に変換する
string text_encoded = path.Substring(offset, path.Length - offset);
string text = HttpUtility.UrlDecode(text_encoded);
kana = AitalkWrapper.TextToKana(text, Config.KanaTimeout);
}
else if (UrlMatch(path, "fromkana/", ref offset) == true)
{
string kana_encoded = path.Substring(offset, path.Length - offset);
kana = HttpUtility.UrlDecode(kana_encoded);
}
else
{
throw new ArgumentException("変換するテキストが指定されていません。");
}
// 音声に変換する
var stream = new MemoryStream();
AitalkWrapper.KanaToSpeech(kana, stream, Config.SpeechTimeout);
// 音声を返す
byte[] result = stream.ToArray();
responce.OutputStream.Write(result, 0, result.Length);
responce.ContentType = "audio/wav";
}
else if (path == "voicedb.json")
{
// ボイスライブラリの一覧を返す
string[] voice_db_list = AitalkWrapper.VoiceDbList;
using (var stream = new MemoryStream())
{
var serializer = new DataContractJsonSerializer(typeof(string[]));
serializer.WriteObject(stream, voice_db_list);
byte[] result = stream.ToArray();
responce.OutputStream.Write(result, 0, result.Length);
responce.ContentEncoding = Encoding.UTF8;
responce.ContentType = "application/json";
}
}
else if (path == "param.json")
{
// TTSパラメータを返す
byte[] result = AitalkWrapper.Parameter.ToJson();
responce.OutputStream.Write(result, 0, result.Length);
responce.ContentEncoding = Encoding.UTF8;
responce.ContentType = "application/json";
}
else
{
throw new FileNotFoundException();
}
}
catch (NotImplementedException)
{
responce.StatusCode = (int)HttpStatusCode.NotImplemented;
}
catch (FileNotFoundException)
{
responce.StatusCode = (int)HttpStatusCode.NotFound;
}
catch (Exception ex)
{
// 例外を文字列化して返す
responce.StatusCode = (int)HttpStatusCode.InternalServerError;
byte[] byte_data = Encoding.UTF8.GetBytes(ex.ToString());
responce.OutputStream.Write(byte_data, 0, byte_data.Length);
responce.ContentEncoding = Encoding.UTF8;
responce.ContentType = "text/plain";
}
// レスポンスを返す
responce.Close();
}