public TTS(string config)
{
this.config = config;
int ret = MSPAPI.MSPLogin(null, null, config);
if (ret != 0)
{
if (ttsSpeakErrorEvent != null)
{
ttsSpeakErrorEvent.Invoke("登录TTS引擎错误，错误代码：" + ret);
}
}
else
{
active = true;
}
}
/// <summary>
/// 把文字转化为声音,单路配置，一种语音
/// </summary>
/// <param name="speekText">要转化成语音的文字</param>
/// <param name="outWaveFlie">把声音转为文件，默认为不生产wave文件</param>
public void Speak(string speekText, string szParams, string outWaveFlie)
{
byte[] bytes = null;
int ret = 0;
try
{
sessionID = Marshal.PtrToStringAuto(MSPAPI.QTTSSessionBegin(szParams, ref ret));
if (ret != 0)
{
if (ttsSpeakErrorEvent != null)
{
ttsSpeakErrorEvent.Invoke("初始化TTS引会话错误，错误代码：" + ret);
}
return;
}
ret = MSPAPI.QTTSTextPut(sessionID, speekText, (uint)Encoding.Unicode.GetByteCount(speekText), string.Empty);
if (ret != 0)
{
if (ttsSpeakErrorEvent != null)
{
ttsSpeakErrorEvent.Invoke("向服务器发送数据，错误代码：" + ret);
}
return;
}
IntPtr audio_data;
int audio_len = 0;
SynthStatus synth_status = SynthStatus.MSP_TTS_FLAG_STILL_HAVE_DATA;
using (MemoryStream ms = new MemoryStream())
{
ms.Write(new byte[44], 0, 44);
//写44字节的空文件头
while (synth_status == SynthStatus.MSP_TTS_FLAG_STILL_HAVE_DATA)
{
audio_data = MSPAPI.QTTSAudioGet(sessionID, ref audio_len, ref synth_status, ref ret);
if (audio_data != IntPtr.Zero)
{
byte[] data = new byte[audio_len];
Marshal.Copy(audio_data, data, 0, audio_len);
ms.Write(data, 0, data.Length);
if (synth_status == SynthStatus.MSP_TTS_FLAG_DATA_END || ret != 0)
{
if (ret != 0)
{
if (ttsSpeakErrorEvent != null)
{
ttsSpeakErrorEvent.Invoke("下载TTS文件错误，错误代码：" + ret);
}
return;
}
break;
}
}
Thread.Sleep(150);
}
System.Diagnostics.Debug.WriteLine("wav header");
WAVE_Header header = getWave_Header((int)ms.Length - 44); //创建wav文件头
byte[] headerByte = StructToBytes(header); //把文件头结构转化为字节数组 //写入文件头
ms.Position = 0; //定位到文件头
ms.Write(headerByte, 0, headerByte.Length); //写入文件头
bytes = ms.ToArray();
ms.Close();
}
if (outWaveFlie != null)
{
if (File.Exists(outWaveFlie))
{
File.Delete(outWaveFlie);
}
File.WriteAllBytes(outWaveFlie, bytes);
}
}
catch (Exception ex)
{
if (ttsSpeakErrorEvent != null)
{
ttsSpeakErrorEvent.Invoke("Error：" + ex.Message);
}
return;
}
finally
{
ret = MSPAPI.QTTSSessionEnd(sessionID, "");
if (ret != 0)
{
if (ttsSpeakErrorEvent != null)
{
ttsSpeakErrorEvent.Invoke("结束TTS会话错误，错误代码：" + ret);
}
}
else
{
if (tts_SpeakFinishedEvent != null)
{
tts_SpeakFinishedEvent.Invoke(speekText, bytes);
}
}
}
}
