Name: HIKVISION DS-4 Series
Brand: HIKVISION
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Technical Manual

#define CIF_SIZE 3 /* 352 x 288 */

#define QCIF_SIZE 4 /* 176 x 144 */

#define MINI_SIZE 5 /* 88 x 72 */

The argument mode being NORMAL_SIZE, the function works same as

StartVideoPreview which means that the width and height of image in the memory is

adjusted by the display area. While being other value, the size of image in the memory

keeps unchanged. Note that the number of the D1-sized images in memory should be

less than 4. To avoid the PCI bus over pressed, SDK will decrease the quality of image

to reduce the transfer data.

V5.1 SDK New add

4.2.71. int __stdcall SetEncoderAudioOutput(UINT nEncodeChannel, int bEnable, UINT

nOutputChannel)

Parameters:

UINT nEncodeChannel Encoding channel index

int bEnable Enable or not

UINT nOutputChannel Output channel that can be 0 only.

Return Values:

If the function succeeds, the return value is 0.

If the function fails, the return value is -1.

Remarks:

Only DS-42xxHFVI Card support this function

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HIKVISION DS-4 Series Specifications

General