/// <summary>
/// 处理错误
/// </summary>
/// <param name="errorMsg">错误的函数</param>
/// <param name="ret">错误的返回值</param>
/// <param name="sessionID">sessionID</param>
/// <param name="fs">打开的文件</param>
private static void HandleErrorMsg(string errorMsg, int ret, string sessionID, FileStream fs)
{
Utils.CustomPrint(errorMsg + " err,errCode=" + ((ErrorCode)ret).ToString("G"));
DllImports.QISESessionEnd(sessionID, errorMsg);
if (fs != null)
{
fs.Close();
fs = null;
}
}
/// <summary>
/// 运行语音评测功能
/// </summary>
/// <returns></returns>
public IEnumerator RunISE()
{
int len;
int audStatus = (int)AudioStatus.MSP_AUDIO_SAMPLE_CONTINUE; ///音频状态
int epStatus = (int)EpStatus.MSP_EP_NULL; ///端点检测
int recStatus = (int)RecogStatus.MSP_REC_NULL; ///识别状态
bool first = true;
uint rlstLen = 0;
IntPtr rsltPrt = IntPtr.Zero;
int ret = 0;
const int BUFFER_NUM = 640 * 10;/// 每次写入200ms音频(16k，16bit)：1帧音频20ms，10帧=200ms。16k采样率的16位音频，一帧的大小为640Byte
FileStream textFS = null;
FileStream waveFS = null;
string parameters, textPath, wavePath;
GetValuesByCategory(category, out parameters, out textPath, out wavePath);
#if UNITY_ANDROID
textPath = Application.persistentDataPath + "/" + textPath;
wavePath = Application.persistentDataPath + "/" + wavePath;
#elif UNITY_STANDALONE_WIN
textPath = Application.streamingAssetsPath + "/" + textPath;
wavePath = Application.streamingAssetsPath + "/" + wavePath;
#endif
IntPtr ptrSessionID = DllImports.QISESessionBegin(parameters, "", out ret);
string sessionID = Marshal.PtrToStringAnsi(ptrSessionID);
if (ErrorCode.MSP_SUCCESS != (ErrorCode)ret)
{
Utils.CustomPrint("QISESessionBegin err,errCode=" + ((ErrorCode)ret).ToString("G"));
yield break;
}
if (!File.Exists(textPath) || !File.Exists(wavePath))
{
Utils.CustomPrint("文件" + textPath + " 或者 " + wavePath + "不存在！");
DllImports.QISESessionEnd(sessionID, "File not exist");
yield break;
}
textFS = new FileStream(textPath, FileMode.Open);
int textLength = (int)textFS.Length;
byte[] buff = new byte[textLength];
textFS.Read(buff, 0, textLength);
textFS.Close();
textFS = null;
ret = DllImports.QISETextPut(sessionID, Encoding.Default.GetString(buff), (uint)textLength, "");
Utils.CustomPrint("Encoding:" + Encoding.Default.EncodingName.ToLower());
Utils.CustomPrint(Regex.Unescape(Encoding.Default.GetString(buff)) + "|length:" + textLength);
if (ErrorCode.MSP_SUCCESS != (ErrorCode)ret)
{
HandleErrorMsg("QISETextPut", ret, sessionID, null);
yield break;
}
waveFS = new FileStream(wavePath, FileMode.Open);
buff = new byte[BUFFER_NUM];
IntPtr bp = Marshal.AllocHGlobal(BUFFER_NUM);
while (waveFS.Position != waveFS.Length)
{
len = waveFS.Read(buff, 0, BUFFER_NUM);
Marshal.Copy(buff, 0, bp, buff.Length);
audStatus = (int)AudioStatus.MSP_AUDIO_SAMPLE_CONTINUE;
if (first)
{
audStatus = (int)AudioStatus.MSP_AUDIO_SAMPLE_FIRST;
first = false;
}
Utils.CustomPrint(">" + len);
///开始向服务器发送音频数据
ret = DllImports.QISEAudioWrite(sessionID, bp, (uint)len, audStatus, ref epStatus, ref recStatus);
if (ErrorCode.MSP_SUCCESS != (ErrorCode)ret)
{
HandleErrorMsg("QISEAudioWrite", ret, sessionID, waveFS);
yield break;
}
if (RecogStatus.MSP_REC_STATUS_SUCCESS == (RecogStatus)recStatus)
{
rsltPrt = DllImports.QISEGetResult(sessionID, ref rlstLen, ref recStatus, ref ret);
if (ErrorCode.MSP_SUCCESS != (ErrorCode)ret)
{
HandleErrorMsg("QISEGetResult", ret, sessionID, waveFS);
yield break;
}
if (IntPtr.Zero != rsltPrt)
{
Utils.CustomPrint("rlstLen:" + rlstLen);
byte[] data = new byte[rlstLen];
Marshal.Copy(rsltPrt, data, 0, (int)rlstLen);
Utils.CustomPrint("+++传完音频后返回结果！:" + GBToUnicode(data, data.Length));
}
}
if (EpStatus.MSP_EP_AFTER_SPEECH == (EpStatus)epStatus)
{
break;
}
///sleep一下很有必要，防止MSC端无缓冲的识别结果时浪费CPU资源
yield return(new WaitForSeconds(0.2f));
}
buff = null;
waveFS.Close();
waveFS = null;
Marshal.FreeHGlobal(bp);
ret = DllImports.QISEAudioWrite(sessionID, IntPtr.Zero, 0, (int)AudioStatus.MSP_AUDIO_SAMPLE_LAST, ref epStatus, ref recStatus);
if (ErrorCode.MSP_SUCCESS != (ErrorCode)ret)
{
HandleErrorMsg("QISEAudioWrite", ret, sessionID, null);
yield break;
}
while (RecogStatus.MSP_REC_STATUS_COMPLETE != (RecogStatus)recStatus)
{
rsltPrt = DllImports.QISEGetResult(sessionID, ref rlstLen, ref recStatus, ref ret);
if (ErrorCode.MSP_SUCCESS != (ErrorCode)ret)
{
HandleErrorMsg("QISEGetResult", ret, sessionID, null);
yield break;
}
if (IntPtr.Zero != rsltPrt)
{
Utils.CustomPrint("rlstLen:" + rlstLen);
byte[] data = new byte[rlstLen];
Marshal.Copy(rsltPrt, data, 0, (int)rlstLen);
Utils.CustomPrint("---传完音频后返回结果！:" + GBToUnicode(data, data.Length));
}
yield return(new WaitForSeconds(0.2f));
}
rsltPrt = IntPtr.Zero;
ret = DllImports.QISESessionEnd(sessionID, "Normal");
if (ErrorCode.MSP_SUCCESS != (ErrorCode)ret)
{
Utils.CustomPrint("QISESessionEnd failed, errCode=" + ((ErrorCode)ret).ToString("G"));
}
ptrSessionID = IntPtr.Zero;
Utils.CustomPrint("评测完成\r\n");
yield break;
}
