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Description: 用vb编写的对符合rm110\dctrls协议的报警器实施数据采集和控制,这是监控系统开发的参考例程.有原码和编译成的执行文件.-with vb prepared with the right rm110 \ dctrls agreement alarm implementation of the data acquisition and control This monitoring system was developed by reference routines. original code and compiled into the implementation document.
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Size: 395264 |
Author: zhoubin |
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Description: jpg解码The JDEC structure holds the data, pointer and flags to manage the decompression session.
typedef struct JDEC JDEC;
struct JDEC {
UINT dctr; /* Number of bytes available in the input buffer */
BYTE* dptr; /* Current data read ptr */
BYTE* inbuf; /* Bit stream input buffer */
BYTE dmsk; /* Current bit in the current read byte */
BYTE scale; /* Output scaling ratio */
BYTE msx, msy; /* MCU size in unit of block (width, height) */
BYTE qtid[3]; /* Quantization table ID of each component */
SHORT dcv[3]; /* Previous DC element of each component */
WORD nrst; /* Restart inverval */
UINT width, height; /* Size of the input image (pixel) */
BYTE* huffbits[2][2]; /* Huffman bit distribution tables [yc][dcac] */
WORD* huffcode[2][2]; /* Huffman code word tables [yc][dcac] */
BYTE* huffdata[2][2]; /* Huffman decoded data tables [yc][dcac] */
LONG* qttbl[4]; /* De-quaitizer tables [id] */
void* workbuf; /* Working buffer for IDCT and RGB output */
BYTE* mcubuf; /* Working buffer for the MCU */
void* pool; /* Pointer to available memory pool */
UINT sz_pool; /* Size of momory pool (bytes available) */
UINT (*infunc)(JDEC*, BYTE*, UINT); /* Pointer to jpeg stream input function */
UINT (*outfunc)(JDEC*, void*, JRECT*); /* Pointer to RGB output function */
void* device; /* Pointer to I/O device identifiler for the session */
};
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Size: 1026666 |
Author: hy_xyz@sohu.com |
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Description: DCTR transformation algorithm
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Size: 417792 |
Author: Rattol
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