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HIKVISION DS-4 Series User Manual

HIKVISION DS-4 Series
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Technical Manual
© 2006-2010 by HIKVISION. All rights reserved. 37
5. Decoding Card SDK
5.1. API of Encoding Card
Note: If without special description. The return values always is 0 if calling is success and is -1 if
calling is failed. You could call GetLastErrorNum to get the failed info.
Decoding card does not support DS-42xx Card
5.1.1. int HW_InitDecDevice(long *pDeviceTotal);
Explanation:
Init the system.
Parameter:
pDeviceTotal the decode channle
5.1.2. int HW_ReleaseDecDevice();
Explanation:
close the system, should be called before exit.
5.1.3. int HW_ChannelOpen(long nChannelNum,int* phChannel);
Explanation:
Open the decode channel and get the channel handler
Parameter:
nChannelNum channel number, begin from 0
phChannel channel handler
5.1.4. int HW_ChannelClose(int hChannel);
Explanation:
Close the decode channel;
Parameter:
hChannel channel handler
5.1.5. int HW_OpenStream(int hChannel,char* pFileHead,int nHeadSize);
Explanation:
Open the interface for the Stream modejust as open the file);
Parameter:
hChannel channel handler
pFileHead the data for the file head
nHeadSize the length for the file head

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HIKVISION DS-4 Series Specifications

General IconGeneral
BrandHIKVISION
ModelDS-4 Series
CategoryMedia Converter
LanguageEnglish

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