223 static void crcCalc(HANDLE_FDK_CRCINFO hCrcInfo, HANDLE_FDK_BITSTREAM hBs,
228 void FDKcrcInit(HANDLE_FDK_CRCINFO hCrcInfo, const UINT crcPoly,  in FDKcrcInit()  argument
236   hCrcInfo->crcLen = crcLen;  in FDKcrcInit()
237   hCrcInfo->crcPoly = crcPoly;  in FDKcrcInit()
238   hCrcInfo->startValue = crcStartValue;  in FDKcrcInit()
239   hCrcInfo->crcMask = (crcLen) ? (1 << (crcLen - 1)) : 0;  in FDKcrcInit()
241   FDKcrcReset(hCrcInfo);  in FDKcrcInit()
243   hCrcInfo->pCrcLookup =  in FDKcrcInit()
246   if (hCrcInfo->crcLen == 16) {  in FDKcrcInit()
249         hCrcInfo->pCrcLookup = crcLookup_16_15_5_0;  in FDKcrcInit()
252         hCrcInfo->pCrcLookup = crcLookup_16_15_2_0;  in FDKcrcInit()
255         hCrcInfo->pCrcLookup = crcLookup_16_12_5_0;  in FDKcrcInit()
265 void FDKcrcReset(HANDLE_FDK_CRCINFO hCrcInfo) {  in FDKcrcReset()  argument
268   hCrcInfo->crcValue = hCrcInfo->startValue;  in FDKcrcReset()
271     hCrcInfo->crcRegData[i].isActive = 0;  in FDKcrcReset()
273   hCrcInfo->regStart = 0;  in FDKcrcReset()
274   hCrcInfo->regStop = 0;  in FDKcrcReset()
277 INT FDKcrcStartReg(HANDLE_FDK_CRCINFO hCrcInfo, const HANDLE_FDK_BITSTREAM hBs,  in FDKcrcStartReg()  argument
279   int reg = hCrcInfo->regStart;  in FDKcrcStartReg()
281   FDK_ASSERT(hCrcInfo->crcRegData[reg].isActive == 0);  in FDKcrcStartReg()
282   hCrcInfo->crcRegData[reg].isActive = 1;  in FDKcrcStartReg()
283   hCrcInfo->crcRegData[reg].maxBits = mBits;  in FDKcrcStartReg()
284   hCrcInfo->crcRegData[reg].validBits = (INT)FDKgetValidBits(hBs);  in FDKcrcStartReg()
285   hCrcInfo->crcRegData[reg].bitBufCntBits = 0;  in FDKcrcStartReg()
287   hCrcInfo->regStart = (hCrcInfo->regStart + 1) % MAX_CRC_REGS;  in FDKcrcStartReg()
292 INT FDKcrcEndReg(HANDLE_FDK_CRCINFO hCrcInfo, const HANDLE_FDK_BITSTREAM hBs,  in FDKcrcEndReg()  argument
294   FDK_ASSERT((reg == (INT)hCrcInfo->regStop) &&  in FDKcrcEndReg()
295              (hCrcInfo->crcRegData[reg].isActive == 1));  in FDKcrcEndReg()
298     hCrcInfo->crcRegData[reg].bitBufCntBits =  in FDKcrcEndReg()
299         (INT)FDKgetValidBits(hBs) - hCrcInfo->crcRegData[reg].validBits;  in FDKcrcEndReg()
301     hCrcInfo->crcRegData[reg].bitBufCntBits =  in FDKcrcEndReg()
302         hCrcInfo->crcRegData[reg].validBits - (INT)FDKgetValidBits(hBs);  in FDKcrcEndReg()
305   if (hCrcInfo->crcRegData[reg].maxBits == 0) {  in FDKcrcEndReg()
306     hCrcInfo->crcRegData[reg].maxBits = hCrcInfo->crcRegData[reg].bitBufCntBits;  in FDKcrcEndReg()
309   crcCalc(hCrcInfo, hBs, reg);  in FDKcrcEndReg()
311   hCrcInfo->crcRegData[reg].isActive = 0;  in FDKcrcEndReg()
312   hCrcInfo->regStop = (hCrcInfo->regStop + 1) % MAX_CRC_REGS;  in FDKcrcEndReg()
317 USHORT FDKcrcGetCRC(const HANDLE_FDK_CRCINFO hCrcInfo) {  in FDKcrcGetCRC()  argument
318   return (hCrcInfo->crcValue & (((hCrcInfo->crcMask - 1) << 1) + 1));  in FDKcrcGetCRC()
426 static void crcCalc(HANDLE_FDK_CRCINFO hCrcInfo, HANDLE_FDK_BITSTREAM hBs,  in crcCalc()  argument
428   USHORT crc = hCrcInfo->crcValue;  in crcCalc()
429   CCrcRegData *rD = &hCrcInfo->crcRegData[reg];  in crcCalc()
453   if (hCrcInfo->pCrcLookup) {  in crcCalc()
454     rBits -= (calcCrc_Bytes(&crc, hCrcInfo->pCrcLookup, &bsReader, words) << 3);  in crcCalc()
456     rBits -= calcCrc_Bits(&crc, hCrcInfo->crcMask, hCrcInfo->crcPoly, &bsReader,  in crcCalc()
462     rBits -= calcCrc_Bits(&crc, hCrcInfo->crcMask, hCrcInfo->crcPoly, &bsReader,  in crcCalc()
468     if ((hCrcInfo->pCrcLookup) && (rBits > 8)) {  in crcCalc()
470           (calcCrc_Bytes(&crc, hCrcInfo->pCrcLookup, NULL, rBits >> 3) << 3);  in crcCalc()
474       calcCrc_Bits(&crc, hCrcInfo->crcMask, hCrcInfo->crcPoly, NULL, rBits);  in crcCalc()
478   hCrcInfo->crcValue = crc;  in crcCalc()