[WD9.1][NX70V] SndPlayPcm can't play... ?

[JiheM]

I can load and request the duration of a a WAV (ADPCM 4Bits 8Khz) but
while trying to play I get a BadParam error... Why ?

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void CMStick::MSPlayWave(char *fileName,char *message) {
 Err err;
 UInt16 refNum;
 UInt32 size;
  MemPtr pcmp;
  FileRef file;
  SndPcmFormatType frmt;
  SndPcmOptionsType optn;

  refNum=(CHSLibr::get()).getSoundRefNum();
  if (refNum!=sysInvalidRefNum) {
    size=MSFileSize(fileName);
    if (size>0) {
      err=VFSFileOpen(refCMS, fileName, vfsModeRead, &file);
      if (err==errNone) {
        FtrPtrNew(appCtr, 0, size, &pcmp);
        if (pcmp) {
          err=VFSFileReadData(file, size, pcmp, 0, &size);
        }
        VFSFileClose(file);
        if (err==errNone) {
          frmt.formatTag=0x0020;
          frmt.numOfChan=1;
          frmt.samplePerSec=8000;
          frmt.bitPerSample=4;
          frmt.dataSize=size;

          err=SndPlayPcm(refNum,
            (void*)NULL,
            sndPcmCmdDuration,
            (UInt8 *)pcmp,
            &frmt,
            &optn,
            (SndPcmCallbacksType*)NULL,
            false);

  StrPrintF(message,"TIME : %ld ms\n",optn.dwEndMilliSec);

          err=SndPlayPcm(refNum,
            (void*)NULL,
            sndPcmCmdPlay,
            (UInt8 *)pcmp,
            &frmt,
            &optn,
            (SndPcmCallbacksType*)NULL,
            false);

    switch (err)
    {
      case sndErrBadParam :
        StrCat(message,"BadParam\n");
      break;
    case sndErrFormat :
        StrPrintF(message,"Format\n");
      break;
    case sndErrInterrupted :
        StrPrintF(message,"Interrupted\n");
  }



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