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atom_stdp.cpp 1.4 KB

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  1. /*
  2. * The contents of this file are subject to the Mozilla Public
  3. * License Version 1.1 (the "License"); you may not use this file
  4. * except in compliance with the License. You may obtain a copy of
  5. * the License at http://www.mozilla.org/MPL/
  6. *
  7. * Software distributed under the License is distributed on an "AS
  8. * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  9. * implied. See the License for the specific language governing
  10. * rights and limitations under the License.
  11. *
  12. * The Original Code is MPEG4IP.
  13. *
  14. * The Initial Developer of the Original Code is Cisco Systems Inc.
  15. * Portions created by Cisco Systems Inc. are
  16. * Copyright (C) Cisco Systems Inc. 2001. All Rights Reserved.
  17. *
  18. * Contributor(s):
  19. * Dave Mackie [email protected]
  20. */
  21. #include "mp4common.h"
  22. MP4StdpAtom::MP4StdpAtom()
  23. : MP4Atom("stdp")
  24. {
  25. AddVersionAndFlags();
  26. MP4Integer32Property* pCount =
  27. new MP4Integer32Property("entryCount");
  28. pCount->SetImplicit();
  29. AddProperty(pCount);
  30. MP4TableProperty* pTable = new MP4TableProperty("entries", pCount);
  31. AddProperty(pTable);
  32. pTable->AddProperty(
  33. new MP4Integer16Property("priority"));
  34. }
  35. void MP4StdpAtom::Read()
  36. {
  37. // table entry count computed from atom size
  38. ((MP4Integer32Property*)m_pProperties[2])->SetReadOnly(false);
  39. ((MP4Integer32Property*)m_pProperties[2])->SetValue((m_size - 4) / 2);
  40. ((MP4Integer32Property*)m_pProperties[2])->SetReadOnly(true);
  41. MP4Atom::Read();
  42. }