ImagePool.cpp 2.2 KB

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  1. #include "ImagePool.h"
  2. ImagePoolEx::ImagePoolEx()
  3. {
  4. //OEM层需要进行细节上的设置.
  5. m_pFullImageQueue = NULL;
  6. m_pPrevImageData = NULL;
  7. }
  8. ImagePoolEx::~ImagePoolEx()
  9. {
  10. ClearPool();
  11. }
  12. bool ImagePoolEx::SetMaxBlockSize(const char *pQueName, DWORD BlockSize, DWORD FulBlockCount, DWORD PrevBlockSize, DWORD PrevBlockCount)
  13. {
  14. bool ret = true;
  15. string PrevQueName = pQueName;
  16. PrevQueName += "Prv";
  17. if (BlockSize)
  18. {
  19. m_pFullImageQueue = (void*)new CShareMemory_Circle();
  20. if (((CShareMemory_Circle*)m_pFullImageQueue)->Create(pQueName, BlockSize, FulBlockCount, SM_READWRITE) < 0)
  21. {
  22. //printf ("Create Full Pool Failed.%s\n", pQueName);
  23. return false;
  24. }
  25. }
  26. if (PrevBlockSize)
  27. {
  28. m_pPrevImageData = (void*)new CShareMemory_Circle();
  29. if (((CShareMemory_Circle*)m_pPrevImageData)->Create(PrevQueName.c_str(), PrevBlockSize, PrevBlockCount, SM_READWRITE) < 0)
  30. {
  31. //printf ("Create Prev Pool Failed.%s\n", PrevQueName.c_str ());
  32. return false;
  33. }
  34. }
  35. //try open
  36. if (m_pFullImageQueue)
  37. {
  38. if (((CShareMemory_Circle*) m_pFullImageQueue)->Open (pQueName, SM_READWRITE) < 0)
  39. {
  40. //printf ("Open Full Pool Failed.%s\n", pQueName);
  41. return false;
  42. }
  43. }
  44. if (m_pPrevImageData)
  45. {
  46. if (((CShareMemory_Circle*) m_pPrevImageData)->Open (PrevQueName.c_str (), SM_READWRITE) < 0)
  47. {
  48. //printf ("Open Prev Pool Failed.%s\n", PrevQueName.c_str ());
  49. return false;
  50. }
  51. else
  52. {
  53. }
  54. }
  55. return ret;
  56. }
  57. unsigned long ImagePoolEx::AddFrameWithHead(BLOCK_IMAGE_TYPE Type, string &imageHead, char* pFrameBuff, DWORD FrameSize)
  58. {
  59. unsigned long id = UnvalidSMBid;
  60. if (Type == PREV_BLOCK_IMG)
  61. {
  62. if (m_pPrevImageData)
  63. {
  64. id = ((CShareMemory_Circle*)m_pPrevImageData)->PushRaw(imageHead, pFrameBuff, FrameSize, true);
  65. }
  66. }
  67. else
  68. {
  69. if (m_pFullImageQueue)
  70. {
  71. id = ((CShareMemory_Circle*)m_pFullImageQueue)->PushRaw(imageHead, pFrameBuff, FrameSize, true);
  72. }
  73. }
  74. return id;
  75. }
  76. void ImagePoolEx::ClearPool()
  77. {
  78. if (m_pFullImageQueue)
  79. {
  80. ((CShareMemory_Circle*)m_pFullImageQueue)->Clear();
  81. delete (CShareMemory_Circle*)m_pFullImageQueue;
  82. m_pFullImageQueue = NULL;
  83. }
  84. if (m_pPrevImageData)
  85. {
  86. ((CShareMemory_Circle*)m_pPrevImageData)->Clear();
  87. delete (CShareMemory_Circle*)m_pPrevImageData;
  88. m_pPrevImageData = NULL;
  89. }
  90. }