HIKVISION DS-4 Series - 5.1.5. HWOpenStream(); 5.1.6. HWCloseStream(); 5.1.7. HWInputData(); 5.1.8. HWOpenFile()

Technical Manual
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5.1.6. int HW_CloseStream(int hChannel);
Explanation:
Close the Stream mode；
Parameter:
hChannel channel handler；
5.1.7. int HW_InputData(int hChannel,char* pBuf,int nSize);
Explanation:
Input the data that must be called after open the stream
Parameter:
hChannel channel handler；
pBuf the address for the data buffer
nSize the size for the data buffer
Return:
nSize if call success, else -1
5.1.8. int HW_OpenFile(int hChannel,char* sFileName);
Explanation:
Open the file that want to be decoded；
Parameter:
hChannel channel handler；
sFileName the file name
5.1.9. int HW_CloseFile(int hChannel);
Explanation:
Close the decoding file；
Parameter:
hChannel channel handler；
5.1.10. int HW_Play(int hChannel);
Explanation:
Start decoding；
Parameter:
hChannel channel handler；
5.1.11. int HW_Stop(int hChannel);
Explanation:
Stop decoding；
Parameter:
hChannel channel handler；
5.1.12. int HW_Pause(int hChannel ,ULONG bPause);
Explanation: