ImfInputStreamMutex.h 2.3 KB

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  1. ///////////////////////////////////////////////////////////////////////////
  2. //
  3. // Copyright (c) 2011, Industrial Light & Magic, a division of Lucas
  4. // Digital Ltd. LLC
  5. //
  6. // All rights reserved.
  7. //
  8. // Redistribution and use in source and binary forms, with or without
  9. // modification, are permitted provided that the following conditions are
  10. // met:
  11. // * Redistributions of source code must retain the above copyright
  12. // notice, this list of conditions and the following disclaimer.
  13. // * Redistributions in binary form must reproduce the above
  14. // copyright notice, this list of conditions and the following disclaimer
  15. // in the documentation and/or other materials provided with the
  16. // distribution.
  17. // * Neither the name of Industrial Light & Magic nor the names of
  18. // its contributors may be used to endorse or promote products derived
  19. // from this software without specific prior written permission.
  20. //
  21. // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22. // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23. // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24. // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25. // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  27. // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28. // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29. // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30. // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31. // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32. //
  33. ///////////////////////////////////////////////////////////////////////////
  34. #ifndef IMFINPUTSTREAMMUTEX_H_
  35. #define IMFINPUTSTREAMMUTEX_H_
  36. #include "ImfIO.h"
  37. #include "IlmThreadMutex.h"
  38. #include "ImfNamespace.h"
  39. OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
  40. using ILMTHREAD_NAMESPACE::Mutex;
  41. //
  42. // Used to wrap OPENEXR_IMF_INTERNAL_NAMESPACE::IStream as a Mutex.
  43. //
  44. struct InputStreamMutex : public Mutex
  45. {
  46. OPENEXR_IMF_INTERNAL_NAMESPACE::IStream* is;
  47. Int64 currentPosition;
  48. InputStreamMutex()
  49. {
  50. is = 0;
  51. currentPosition = 0;
  52. }
  53. };
  54. OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
  55. #endif /* IMFINPUTSTREAMMUTEX_H_ */