/// <summary>
/// 语音合成
/// </summary>
/// <param name="sid"></param>
/// <returns></returns>
private SynthStatus SpeechSynthesis(string sid, string text, string name, string path)
{
string filename = name + ".wav"; //合成的语音文件
uint audio_len = 0;
uint audio_total_len = 0;
synth_status = SynthStatus.MSP_TTS_FLAG_STILL_HAVE_DATA;
ret = MSC.QTTSTextPut(sid, text, (uint)Encoding.UTF8.GetByteCount(text), string.Empty);
if (ret != (int)ErrorCode.MSP_SUCCESS)
{
Debug.Log("写入文本失败!" + ret); return(synth_status);
}
MemoryStream memoryStream = new MemoryStream();
while (synth_status != SynthStatus.MSP_TTS_FLAG_DATA_END)
{
IntPtr source = MSC.QTTSAudioGet(sid, ref audio_len, ref synth_status, ref ret);
if (ret != (int)ErrorCode.MSP_SUCCESS)
{
Debug.Log("合成失败!" + ret); return(synth_status);
}
byte[] array = new byte[(int)audio_len];
if (audio_len > 0)
{
Marshal.Copy(source, array, 0, (int)audio_len);
memoryStream.Write(array, 0, array.Length);
audio_total_len = audio_total_len + audio_len;
}
Thread.Sleep(100);
}
//Debug.Log(string.Format("音频长度:byte[{0}],memoryStream[{1}]", audio_total_len, memoryStream.Length));
//添加音频头,否则无法播放
Utils.WAVE_Header wave_Header = Utils.getWave_Header((int)memoryStream.Length + 44);
byte[] audio_header = Utils.StructToBytes(wave_Header);
memoryStream.Position = 0;
memoryStream.Write(audio_header, 0, audio_header.Length);
memoryStream.Position = 0;
if (filename != null)
{
FileStream fileStream = new FileStream(path + "/" + filename, FileMode.Create, FileAccess.Write);
memoryStream.WriteTo(fileStream);
memoryStream.Close();
fileStream.Close();
}
return(synth_status);
}
