HIKVISION DS-4 Series - 5.1.9. HW_CloseFile(); 5.1.10. HW_Play(); 5.1.11. HW_Stop(); 5.1.12. HW_Pause()

Technical Manual
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Pause decoding；
Parameter:
hChannel channel handler；
bPause 1--pause，0--continue；
5.1.13. int HW_PlaySound(int hChannel);
Explanation:
Open the audio decoding, it is closed in default
Parameter:
hChannel channel handler
5.1.14. int HW_StopSound(int hChannel);
Explanation:
Close the audio decoding；
Parameter:
hChannel channel handler
5.1.15. int HW_SetVolume(int hChannel,ULONG nVlome);
Explanation:
Adjust the volume for the audio；
Parameter:
hChannel channel handler
nVlome 0~0xffff。
5.1.16. int HW_StartCapFile(int hChannel,char* sFileName);
Explanation:
Capture the decoding data and save as…
Parameter:
hChannel channel handler
sFileName file name
5.1.17. int HW_StopCapFile(int hChannel);
Explanation:
Stop capturing
Parameter:
hChannel channel handler
5.1.18. int HW_GetPictureSize(int hChannel,ULONG* pWidth, ULONG* pHeight);
Explanation:
Get the size of the picture
Parameter:
hChannel channel handler
*pWidth width for the picture