public void SpeechRecognition()
{
//初始化语音识别
int ret = (int)ErrorCode.MSP_SUCCESS;
string login_params = string.Format("appid = {0}, work_dir = {1}", ConfigurationManager.AppSettings["AppID"].ToString(), ConfigurationManager.AppSettings["WorkDir"].ToString());
session_begin_params = ConfigurationManager.AppSettings["SessionBeginParams"].ToString();
string Username = ConfigurationManager.AppSettings["Username"].ToString();
string Password = ConfigurationManager.AppSettings["Password"].ToString();
ret = MSCDLL.MSPLogin(Username, Password, login_params);
if ((int)ErrorCode.MSP_SUCCESS != ret)
{
MessageBox.Show("MSPLogin failed,error code:{0}", ret.ToString());
MSCDLL.MSPLogout();
}
TTS welcome = new TTS();
welcome.CreateWAV("欢迎使用语音助手");
}
public static Task RunIAT(List <VoiceData> VoiceReady, string session_begin_params, ref SendDataPipe SendDataPipe)
{
IntPtr session_id = IntPtr.Zero;
string rec_result = string.Empty;
string hints = "正常结束";
AudioStatus aud_stat = AudioStatus.ISR_AUDIO_SAMPLE_CONTINUE;
EpStatus ep_stat = EpStatus.ISR_EP_LOOKING_FOR_SPEECH;
RecogStatus rec_stat = RecogStatus.ISR_REC_STATUS_SUCCESS;
int errcode = (int)ErrorCode.MSP_SUCCESS;
session_id = MSCDLL.QISRSessionBegin(null, session_begin_params, ref errcode);
if ((int)ErrorCode.MSP_SUCCESS != errcode)
{
Debug.WriteLine("\nQISRSessionBegin failed! error code:{0}\n", errcode);
//return;
}
for (int i = 0; i < VoiceReady.Count(); i++)
{
aud_stat = AudioStatus.ISR_AUDIO_SAMPLE_CONTINUE;
if (i == 0)
{
aud_stat = AudioStatus.ISR_AUDIO_SAMPLE_FIRST;
}
errcode = MSCDLL.QISRAudioWrite(PtrToStr(session_id), VoiceReady[i].data, (uint)VoiceReady[i].data.Length, aud_stat, ref ep_stat, ref rec_stat);
if ((int)ErrorCode.MSP_SUCCESS != errcode)
{
MSCDLL.QISRSessionEnd(PtrToStr(session_id), null);
}
}
errcode = MSCDLL.QISRAudioWrite(PtrToStr(session_id), null, 0, AudioStatus.ISR_AUDIO_SAMPLE_LAST, ref ep_stat, ref rec_stat);
if ((int)ErrorCode.MSP_SUCCESS != errcode)
{
Debug.WriteLine("\nQISRAudioWrite failed! error code:{0} \n", errcode);
//return;
}
while (RecogStatus.ISR_REC_STATUS_SPEECH_COMPLETE != rec_stat)
{
IntPtr rslt = MSCDLL.QISRGetResult(PtrToStr(session_id), ref rec_stat, 0, ref errcode);
if ((int)ErrorCode.MSP_SUCCESS != errcode)
{
Debug.WriteLine("\nQISRGetResult failed, error code: {0}\n", errcode);
break;
}
if (IntPtr.Zero != rslt)
{
string tempRes = PtrToStr(rslt);
rec_result = rec_result + tempRes;
if (rec_result.Length >= BUFFER_SIZE)
{
Debug.WriteLine("\nno enough buffer for rec_result !\n");
break;
}
}
}
//结果
Debug.WriteLine(rec_result);
SendDataPipe.Start(rec_result);
int errorcode = MSCDLL.QISRSessionEnd(PtrToStr(session_id), hints);
if ((int)ErrorCode.MSP_SUCCESS == errorcode)
{
Debug.WriteLine("\nQISRGetResult successfull, {0}\n", hints);
}
return(Task.FromResult(rec_result));
}
public void CreateWAV(string text)
{
try
{
if (string.IsNullOrEmpty(text))
{
return;
}
string filename = "Call.wav"; //合成的语音文件
uint audio_len = 0;
SynthStatus synth_status = SynthStatus.MSP_TTS_FLAG_STILL_HAVE_DATA;
string _params = ConfigurationManager.AppSettings["tts_putonghua"].ToString();
session_ID = MSCDLL.QTTSSessionBegin(_params, ref ret);
//QTTSSessionBegin方法返回失败
if (ret != (int)ErrorCode.MSP_SUCCESS)
{
return;
}
ret = MSCDLL.QTTSTextPut(Ptr2Str(session_ID), text, (uint)Encoding.Default.GetByteCount(text), string.Empty);
//QTTSTextPut方法返回失败
if (ret != (int)ErrorCode.MSP_SUCCESS)
{
return;
}
MemoryStream memoryStream = new MemoryStream();
memoryStream.Write(new byte[44], 0, 44);
while (true)
{
IntPtr source = MSCDLL.QTTSAudioGet(Ptr2Str(session_ID), ref audio_len, ref synth_status, ref ret);
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);
Thread.Sleep(1000);
if (synth_status == SynthStatus.MSP_TTS_FLAG_DATA_END || ret != 0)
{
break;
}
}
WAVE_Header wave_Header = getWave_Header((int)memoryStream.Length - 44);
byte[] array2 = this.StructToBytes(wave_Header);
memoryStream.Position = 0L;
memoryStream.Write(array2, 0, array2.Length);
memoryStream.Position = 0L;
SoundPlayer soundPlayer = new SoundPlayer(memoryStream);
soundPlayer.Stop();
soundPlayer.Play();
if (filename != null)
{
FileStream fileStream = new FileStream(filename, FileMode.Create, FileAccess.Write);
memoryStream.WriteTo(fileStream);
memoryStream.Close();
fileStream.Close();
}
}
catch (Exception)
{
}
finally
{
ret = MSCDLL.QTTSSessionEnd(Ptr2Str(session_ID), "");
}
}