/// <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="writer">打开的文件</param>
/// <param name="fs">打开的文件</param>
private static void HandleErrorMsg(string errorMsg, int ret, string sessionID, BinaryWriter writer, FileStream fs)
{
Utils.CustomPrint(errorMsg + " err,errCode=" + ((ErrorCode)ret).ToString("G"));
DllImports.QTTSSessionEnd(sessionID, errorMsg);
if (writer != null)
{
writer.Close();
writer = null;
}
if (fs != null)
{
fs.Close();
fs = null;
}
}
/// <summary>
/// 运行语音合成功能
/// </summary>
/// <returns></returns>
public IEnumerator RunTTS()
{
if (text == null)
{
yield break;
}
WaveFormat waveFormat = new WaveFormat();
int nLength = 0;
int nFormatChunkLength = 0x10; // Format chunk length.
short shPad = 1; // File padding
int ret = 0;
uint audioLen = 0;
int sampleCount = 0;
int synthStatus = (int)TTSStatus.MSP_TTS_FLAG_STILL_HAVE_DATA;
IntPtr ptrSessionID = DllImports.QTTSSessionBegin(sessionTTSBeginParams, out ret);
string sessionID = Marshal.PtrToStringAnsi(ptrSessionID);
if (ErrorCode.MSP_SUCCESS != (ErrorCode)ret)
{
Utils.CustomPrint("TTSSessionBegin failed, errCode=" + ((ErrorCode)ret).ToString("G"));
yield break;
}
FileStream waveFile = new FileStream(textPath, FileMode.OpenOrCreate);
BinaryWriter writer = new BinaryWriter(waveFile);
char[] chunkRiff = { 'R', 'I', 'F', 'F' };
char[] chunkType = { 'W', 'A', 'V', 'E' };
char[] chunkFmt = { 'f', 'm', 't', ' ' };
char[] chunkData = { 'd', 'a', 't', 'a' };
//RIFF块
writer.Write(chunkRiff);
writer.Write(nLength);
writer.Write(chunkType);
//WAVE块
writer.Write(chunkFmt);
writer.Write(nFormatChunkLength);
writer.Write(shPad);
writer.Write(waveFormat.mChannels);
writer.Write(waveFormat.mSamplesPerSecond);
writer.Write(waveFormat.mAverageBytesPerSecond);
writer.Write(waveFormat.mBlockAlign);
writer.Write(waveFormat.mBitsPerSample);
//数据块
writer.Write(chunkData);
writer.Write((int)0); // The sample length will be written in later.
ret = DllImports.QTTSTextPut(sessionID, text, (uint)text.Length, null);
if (ErrorCode.MSP_SUCCESS != (ErrorCode)ret)
{
HandleErrorMsg("QTTSTextPut", ret, sessionID, writer, waveFile);
yield break;
}
Utils.CustomPrint("正在合成 ...\n");
while (true)
{
///获取合成音频
IntPtr data = DllImports.QTTSAudioGet(sessionID, ref audioLen, ref synthStatus, out ret);
if (ErrorCode.MSP_SUCCESS != (ErrorCode)ret)
{
break;
}
if (IntPtr.Zero != data)
{
byte[] buff = new byte[audioLen];
Marshal.Copy(data, buff, 0, buff.Length);
writer.Write(buff, 0, buff.Length);
sampleCount += (int)audioLen;///计算data_size大小
buff = null;
}
if (TTSStatus.MSP_TTS_FLAG_DATA_END == (TTSStatus)synthStatus)
{
break;
}
Utils.CustomPrint(">");
yield return(new WaitForSeconds(0.2f));
}
if (ErrorCode.MSP_SUCCESS != (ErrorCode)ret)
{
Utils.CustomPrint("QTTSAudioGet failed, errCode=" + ((ErrorCode)ret).ToString("G"));
DllImports.QTTSSessionEnd(sessionID, "AudioGetError");
writer.Close();
waveFile.Close();
yield break;
}
//写WAV文件尾
writer.Seek(4, SeekOrigin.Begin);
writer.Write((int)(sampleCount + 36));
writer.Seek(40, SeekOrigin.Begin);
writer.Write(sampleCount);
writer.Close();
waveFile.Close();
writer = null;
waveFile = null;
///合成完毕
ret = DllImports.QTTSSessionEnd(sessionID, "Normal");
if (ErrorCode.MSP_SUCCESS != (ErrorCode)ret)
{
Utils.CustomPrint("QTTSSessionEnd failed, errCode=" + ((ErrorCode)ret).ToString("G"));
}
ptrSessionID = IntPtr.Zero;
Utils.CustomPrint("合成完毕");
yield break;
}