476
476
throw Exception("mmioDescend");
479
479
if (parent.ckid != FOURCC_RIFF || parent.fccType != mmioFOURCC('W', 'A', 'V', 'E' ))
481
481
throw Exception("no Wave");
486
486
memset((void *)&child, 0, sizeof(child));
488
488
parent.ckid = mmioFOURCC('f', 'm', 't', ' ');
490
490
res = mmioDescend(handle, &child, &parent, MMIO_FINDCHUNK);
491
491
if (res != MMSYSERR_NOERROR)