HIKVISION DS-4 Series - 4.2.61. SaveYUVToBmpFile(); 4.2.62. GetJpegImage(); 4.2.63. SetupSubChannel()

Technical Manual
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0—success; -1 – failed;
Remarks:
DS-42xxHCI card supports CIF raw image;
DS-42xxHFVI card supports 4CIF raw image;
DS-40xxHSI card supports CIF raw image;
DS-40xxHCI/HCSI card supports 4CIF raw image.
4.2.61. int SaveYUVToBmpFile(char *FileName, unsigned char *yuv, int Width, int Height);
Parameter :
char *FileName file name
unsigned char *yuv image pointer of YUV format
int Width width of YUV image
int Height height of YUV image
Explanation :
To transfer the YUV image to BMP file. If it is DS40xxHCI to capture, the Width is 704,
Height is 576 (in PAL) or 480(in NTSC); It can be judged according to the size of the
buffer.
Return value:
0—success; -1 – failed;
4.2.62. int GetJpegImage(int hChannelHandle,unsigned char *ImageBuf,
unsigned long *Size,unsigned int nQuality);
Parameter :
int channelHandle channel handle
unsigned char *ImageBuf the pointer of image buffer
unsigned long* Size the pointer of the size
IN: the buffer size
OUT: the size of the image
unsigned int nQuality the quality of the JPEG(1—100, 100 is best)
Explanation:
Get JPEG image
Return value:
0—success; -1 – failed;
Remarks:
DS-42xxHCI card supports CIF JPEG image;
DS-42xxHFVI card supports 4CIF JPEG image;
DS-40xxHSI card supports CIF JPEG image;
DS-40xxHCI/HCSI card supports 4CIF JPEG image.
4.2.63. int SetupSubChannel(int channelHandle, int iSubChannel);
Parameter:
int channelHandle channel handle
int iSubChannel subchannel