ACMSTREAMHEADER

type ACMSTREAMHEADER = packed record

  cbStruct: DWORD;

  fdwStatus: DWORD;

  dwUser: DWORD;

  pbSrc: PBYTE;

  cbSrcLength: DWORD;

  cbSrcLengthUsed: DWORD;

  dwSrcUser: DWORD;

  pbDst: PBYTE;

  cbDstLength: DWORD;

  cbDstLengthUsed: DWORD;

  dwDstUser: DWORD;

  dwReservedDriver: array [0..10-1] of DWORD;

end;