public static extern int QISRAudioWrite(string sessionID, byte[] waveData, uint waveLen, AudioStatus audioStatus, ref EpStatus epStatus, ref RsltStatus rsltStatus);
public static extern IntPtr QISRGetResult(string sessionID, ref RsltStatus rsltStatus, int waitTime, ref int errorCode);
public void RunIat(string audioFile, string param)
{
string sessionID = null;
EpStatus epStatus = EpStatus.MSP_EP_LOOKING_FOR_SPEECH;
RsltStatus rsltStatus = RsltStatus.MSP_REC_STATUS_SUCCESS;
long count = 0; //计次?
uint totalLen = 0;
//获取音频文件
using (FileStream fs = new FileStream(audioFile, FileMode.Open, FileAccess.Read))
{
fs.Seek(0, SeekOrigin.End);
var size = fs.Length;
fs.Seek(0, SeekOrigin.Begin);
var data = new byte[size];
if (data == null)
{
if (onErrorEvent != null)
{
onErrorEvent.Invoke("内存不足.");
}
return;
}
var readSize = fs.Read(data, 1, (int)size);
if (readSize != size)
{
onErrorEvent.Invoke("读" + audioFile + "出错");
return;
}
int errcode = 0;
//开始语音听写
sessionID = Marshal.PtrToStringAuto(MSCDLL.QISRSessionBegin(null, param, ref errcode));
if (errcode != (int)ErrorCode.MSP_SUCCESS)
{
if (onErrorEvent != null)
{
onErrorEvent.Invoke("Iat开启出错" + errcode);
}
return;
}
while (true)
{
uint len = 10 * 640;
int ret = 0;
if (size < 2 * len)
{
len = (uint)size;
}
if (len <= 0)
{
break;
}
var audioStatus = AudioStatus.MSP_AUDIO_SAMPLE_CONTINUE;
if (count == 0)
{
audioStatus = AudioStatus.MSP_AUDIO_SAMPLE_FIRST;
}
ret = MSCDLL.QISRAudioWrite(sessionID, data, len, audioStatus, ref epStatus, ref rsltStatus);
if (ret != (int)ErrorCode.MSP_SUCCESS)
{
if (onErrorEvent != null)
{
onErrorEvent.Invoke("写入本次识别的音频失败." + ret);
}
return;
}
count += len;
size -= len;
//已经有部分听写结果
if (rsltStatus == RsltStatus.MSP_REC_STATUS_SUCCESS)
{
var result = Marshal.PtrToStringAuto(MSCDLL.QISRGetResult(sessionID, ref rsltStatus, 0, ref ret));
if (ret != 0)
{
if (onErrorEvent != null)
{
onErrorEvent.Invoke("获取识别结果失败." + ret);
}
return;
}
if (result != null)
{
uint resultLen = (uint)result.Length;
totalLen += resultLen;
if (totalLen >= 4096)
{
if (onErrorEvent != null)
{
onErrorEvent.Invoke("对于临时资源没有足够的缓存空间。");
}
return;
}
}
}
if (epStatus == EpStatus.MSP_EP_AFTER_SPEECH)
{
break;
}
Thread.Sleep(200);
}
errcode = MSCDLL.QISRAudioWrite(sessionID, null, 0, AudioStatus.MSP_AUDIO_SAMPLE_LAST, ref epStatus, ref rsltStatus);
if (errcode != 0)
{
if (onErrorEvent != null)
{
onErrorEvent.Invoke("音频写入失败。" + errcode);
}
return;
}
}
}
string filename = $"Call.wav"; //合成的语音文件
#endregion
#region 事件处理
/// <summary>
/// 本地语音识别
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnLocalVoice_Click(object sender, EventArgs e)
{
//业务流程:
//1.调用 MSPLogin(...)接口登入，可以只登入一次，但是必须保证在调用其他接口前先登入；
//2.调用 QISRSessionBegin(...)开始一次语音听写；
//3.循环调用 QISRAudioWrite(...) 分块写入音频数据
//4.循环调用 QISRGetResult(...) 接口返回听写结果
//5.调用 QISRSessionEnd(...) 主动结束本次听写
//6.不再使用服务的时候 调用MSPLogout()登出，避免不必要的麻烦。
try
{
//识别结果
string text = String.Empty;
//登录参数,自己注册后获取的appid
string login_configs = "appid=5983daf6";
//语音路径
var voicePath = AppDomain.CurrentDomain.BaseDirectory + filename;
//检测文件是否存在
if (!File.Exists(voicePath))
{
MessageBox.Show("文件" + voicePath + "不存在！");
}
//读取音频文件
using (FileStream fileStream = new FileStream(voicePath, FileMode.OpenOrCreate))
{
IntPtr intPtr = Marshal.AllocHGlobal(BUFFER_NUM);
byte[] array = new byte[BUFFER_NUM];
LoadingHelper.ShowLoading("加载中", this, o =>
{
AudioStatus audioStatus = AudioStatus.MSP_AUDIO_SAMPLE_CONTINUE;
EpStatus epStatus = EpStatus.MSP_EP_LOOKING_FOR_READY;
RsltStatus recogStatus = RsltStatus.MSP_REC_STATUS_FOR_READY;
//MSPLogin(...)接口登入
this.BeginInvoke(updateStatus, "登录接口");
ret = IFYDll.MSPLogin("*****@*****.**", "jkljlk123", login_configs);
if (ret != (int)ErrorCode.MSP_SUCCESS)
{
return;
}
//QISRSessionBegin 开始一次语音识别
this.BeginInvoke(updateStatus, "开始一次语音识别");
string _params = $"domain=iat,sub=iat,aue=speex-wb;7,sample_rate=16000,result_type=plain";
session_ID = IFYDll.QISRSessionBegin(null, _params, ref ret);
if (ret != (int)ErrorCode.MSP_SUCCESS)
{
return;
}
//QISRAudioWrite 写入本次识别的音频。
this.BeginInvoke(updateStatus, "分块写入识别的音频");
while (fileStream.Position != fileStream.Length)
{
int waveLen = fileStream.Read(array, 0, BUFFER_NUM);
Marshal.Copy(array, 0, intPtr, array.Length);
ret = IFYDll.QISRAudioWrite(Ptr2Str(session_ID), intPtr, (uint)waveLen, audioStatus, ref epStatus, ref recogStatus);
if (ret != 0)
{
fileStream.Close();
throw new Exception("QISRAudioWrite err,errCode=" + ret);
}
Thread.Sleep(500);
}
this.BeginInvoke(updateStatus, "写入最后一块音频");
audioStatus = AudioStatus.MSP_AUDIO_SAMPLE_LAST;
ret = IFYDll.QISRAudioWrite(Ptr2Str(session_ID), intPtr, 1u, audioStatus, ref epStatus, ref recogStatus);
if (ret != 0)
{
throw new Exception("QISRAudioWrite write last audio err,errCode=" + ret);
}
//QISRGetResult 读取识别结果
this.BeginInvoke(updateStatus, "读取识别结果");
while (true)
{
IntPtr intPtr2 = IFYDll.QISRGetResult(Ptr2Str(session_ID), ref recogStatus, waitTime, ref ret);
if (intPtr2 != IntPtr.Zero)
{
text += Ptr2Str(intPtr2);
}
if (ret != 0)
{
break;
}
Thread.Sleep(500);
if (recogStatus == RsltStatus.MSP_REC_STATUS_COMPLETE)
{
break;
}
}
});
txtLocalVoiceRecognitionResult.Text = text;
}
}
catch (Exception ex)
{
txtLocalVoiceRecognitionResult.Text = ex.Message;
}
finally
{
//主动结束本次语音识别
this.BeginInvoke(updateStatus, "结束本次识别结果");
ret = IFYDll.QISRSessionEnd(Ptr2Str(session_ID), "");
//退出登录
this.BeginInvoke(updateStatus, "退出登录");
ret = IFYDll.MSPLogout();
}
Thread.Sleep(3000);
this.BeginInvoke(updateStatus, "就绪");
}
/// <summary>
/// 进行语音识别
/// </summary>
/// <param name="inFile"></param>
/// <returns></returns>
public string AudioToString(string inFile)
{
int ret = 0;
string text = String.Empty;
FileStream fileStream = new FileStream(inFile, FileMode.OpenOrCreate);
byte[] array = new byte[BUFFER_NUM];
IntPtr intPtr = Marshal.AllocHGlobal(BUFFER_NUM);
AudioStatus audioStatus = AudioStatus.MSP_AUDIO_SAMPLE_CONTINUE;
EpStatus epStatus = EpStatus.MSP_EP_LOOKING_FOR_READY;
RsltStatus recogStatus = RsltStatus.MSP_REC_STATUS_FOR_READY;
RsltStatus rsltStatus = RsltStatus.MSP_REC_STATUS_FOR_READY;
while (fileStream.Position != fileStream.Length)
{
int waveLen = fileStream.Read(array, 0, BUFFER_NUM);
Marshal.Copy(array, 0, intPtr, array.Length);
ret = IFYDll.QISRAudioWrite(Ptr2Str(session_ID), intPtr, (uint)waveLen, audioStatus, ref epStatus, ref recogStatus);
if (ret != 0)
{
fileStream.Close();
throw new Exception("QISRAudioWrite err,errCode=" + ret);
}
if (recogStatus == 0)
{
IntPtr intPtr2 = IFYDll.QISRGetResult(Ptr2Str(session_ID), ref rsltStatus, 0, ref ret);
if (intPtr2 != IntPtr.Zero)
{
text += Ptr2Str(intPtr2);
}
}
Thread.Sleep(500);
}
fileStream.Close();
audioStatus = AudioStatus.MSP_AUDIO_SAMPLE_LAST;
ret = IFYDll.QISRAudioWrite(Ptr2Str(session_ID), intPtr, 1u, audioStatus, ref epStatus, ref recogStatus);
if (ret != 0)
{
throw new Exception("QISRAudioWrite write last audio err,errCode=" + ret);
}
int timesCount = 0;
while (true)
{
IntPtr intPtr2 = IFYDll.QISRGetResult(Ptr2Str(session_ID), ref rsltStatus, 0, ref ret);
if (intPtr2 != IntPtr.Zero)
{
text += Ptr2Str(intPtr2);
}
if (ret != 0)
{
break;
}
Thread.Sleep(200);
if (rsltStatus == RsltStatus.MSP_REC_STATUS_COMPLETE || timesCount++ >= 50)
{
break;
}
}
return(text);
}
public static extern IntPtr QISEGetResult(string sessionID, ref uint rsltLen, ref RsltStatus rsltStatus, ref int errorCode);
private void ThreadStart()
{
ErrorCode errorCode = ErrorCode.MSP_SUCCESS;
AudioStatus audioStatus = AudioStatus.MSP_AUDIO_SAMPLE_FIRST;
EpStatus epStatus = EpStatus.MSP_EP_IN_SPEECH;
RsltStatus rsltStatus = RsltStatus.MSP_REC_STATUS_SUCCESS;
// 开始
IntPtr ptr = Msc.QISRSessionBegin(null, @params, out errorCode);
if (errorCode != ErrorCode.MSP_SUCCESS)
{
Console.WriteLine("开始识别出错：（错误码）" + (int)errorCode);
Account.Logout();
return;
}
int maxLength = 20480;
int tims = m_Datas.Length / maxLength;
if ((m_Datas.Length % maxLength) != 0)
{
tims++;
}
for (int i = 0; i < tims; i++)
{
if (i == 0)
{
audioStatus = AudioStatus.MSP_AUDIO_SAMPLE_FIRST;
}
else if (i == tims - 1)
{
audioStatus = AudioStatus.MSP_AUDIO_SAMPLE_LAST;
}
else
{
audioStatus = AudioStatus.MSP_AUDIO_SAMPLE_CONTINUE;
}
byte[] by = null;
if ((m_Datas.Length - maxLength * i) >= maxLength)
{
by = new byte[maxLength];
}
else
{
by = new byte[(m_Datas.Length - maxLength * i)];
}
by = m_Datas.Skip(i * maxLength).Take(by.Length).ToArray();
ErrorCode errorCode1 = Msc.QISRAudioWrite(ptr, by, (uint)by.Length, audioStatus, out epStatus, out rsltStatus);
if (errorCode1 != ErrorCode.MSP_SUCCESS)
{
Console.WriteLine("音频数据写入失败:（错误码）" + (int)errorCode1);
Account.Logout();
return;
}
}
RsltStatus status = RsltStatus.MSP_REC_STATUS_INCOMPLETE;
ErrorCode errorCode2 = ErrorCode.MSP_SUCCESS;
StringBuilder msg = new StringBuilder();
while (status != RsltStatus.MSP_REC_STATUS_COMPLETE)
{
IntPtr data = Msc.QISRGetResult(ptr, out status, 5000, out errorCode2);
if (errorCode2 != ErrorCode.MSP_SUCCESS)
{
Console.WriteLine("获取失败：（错误码）" + (int)errorCode2);
Account.Logout();
return;
}
if (data != null)
{
msg.Append(Marshal.PtrToStringAnsi(data));
}
Thread.Sleep(200);
}
ErrorCode errorCode3 = Msc.QISRSessionEnd(ptr, "识别结束");
if (errorCode3 != ErrorCode.MSP_SUCCESS)
{
Console.WriteLine("结束失败：（错误码）" + (int)errorCode3);
}
Data = msg.ToString();
isDown = true;
}
