public static string init_audio(string my_appid, string session_begin_params, byte[] audio_data)
{
//Debug.Log(Application.internetReachability);
//先登录
int res = MscDLL.MSPLogin(null, null, my_appid);//用户名，密码，登陆信息，前两个为空
string result;
if (res != (int)MscDLL.Errors.MSP_SUCCESS)
{
//说明登录失败
Debug.Log("登录失败！");
//return false;
}
Debug.Log("登陆成功！");
//开始识别，包括开启会话、写入音频，获取结果、结束会话
result = audio_iat(audio_data, session_begin_params);
//结束登录，每次登录之后必须结束，如果没有结束下一次登录就会失败
int ret_end = MscDLL.MSPLogout();
if ((int)MscDLL.Errors.MSP_SUCCESS != ret_end)
{
Debug.Log("Logout failed");
}
return(result);
}
public static string audio_iat(byte[] audio_data, string session_begin_params)
{
string getData = null;//返回的文字
int result = 0;
int result_get_result = 0;
int rslt_status = 0;
uint audio_len = (uint)audio_data.Length;
MscDLL.RecogStatus recogStatus = 0;
MscDLL.RecogStatus recogStatusGetResult = 0;
MscDLL.AudioStatus audioStatus = MscDLL.AudioStatus.MSP_AUDIO_SAMPLE_FIRST;
MscDLL.EpStatus epStatus = 0;
IntPtr rec_result;
IntPtr rec_get_result;
//开启会话
IntPtr sessionID = MscDLL.QISRSessionBegin(null, session_begin_params, ref result);
if (0 != result)
{
Debug.Log("SessionBegin failed");
}
//File.WriteAllBytes(@"d:\audio_bytes1.txt", audio_data);
//循环将需要识别的audio_data发送给接口
while (MscDLL.AudioStatus.MSP_AUDIO_SAMPLE_LAST != audioStatus)
{
//Debug.Log("AudioWrite");
result = MscDLL.QISRAudioWrite(sessionID, audio_data, audio_len, audioStatus, ref epStatus, ref recogStatus);
//MSP_SUCCESS 为 0;result = 0代表写入成功
if (result != 0)
{
Debug.Log("Audio Write Error");
break;
}
//Debug.Log("recogStatus:"+recogStatus);
//如果识别成功则读取
//if (MscDLL.RecogStatus.MSP_REC_STATUS_SUCCESS == recogStatus)
//{
// rec_get_result = MscDLL.QISRGetResult(sessionID, ref recogStatusGetResult, 5000, ref result_get_result);
// Debug.Log(rec_get_result);
//}
//检测到音频后端点，停止写入
if (MscDLL.EpStatus.MSP_EP_AFTER_SPEECH == epStatus)
{
audioStatus = MscDLL.AudioStatus.MSP_AUDIO_SAMPLE_LAST;
Debug.Log("音频输入到达结束点");
break;
}
else
{
audioStatus = MscDLL.AudioStatus.MSP_AUDIO_SAMPLE_CONTINUE;
}
//Thread.Sleep(1000);
}
recogStatus = 0;
//MscDLL.RecogStatus.MSP_REC_STATUS_COMPLETE = 5
//循环读取识别的结果
while (MscDLL.RecogStatus.MSP_REC_STATUS_COMPLETE != recogStatus)
{
rec_result = MscDLL.QISRGetResult(sessionID, ref recogStatus, 5000, ref result);
//Debug.Log("GetResult:" + recogStatus + result);
//MSP_SUCCESS 为 0;
if (result != 0)
{
Debug.Log("GetResult failed:" + result.ToString());
break;
}
if (null != rec_result)
{
//intptr 转string
//每次识别的结果保存在getdata中
getData += Marshal.PtrToStringAnsi(rec_result);
continue;
}
//避免浪费资源
Thread.Sleep(200);
}
Debug.Log(getData);
//结束会话
int ret_end = MscDLL.QISRSessionEnd(sessionID, "normal end");
if (0 != ret_end)
{
Debug.Log("sessionEnd failed");
}
return(getData);
}