extern int askdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr, uint8_t amp, uint8_t askType);
extern int askdemod_ext(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr, uint8_t amp, uint8_t askType, int *startIdx);
extern void askAmp(uint8_t *BitStream, size_t size);
-extern int BiphaseRawDecode(uint8_t * BitStream, size_t *size, int offset, int invert);
+extern int BiphaseRawDecode(uint8_t * BitStream, size_t *size, int *offset, int invert);
extern uint32_t bytebits_to_byte(uint8_t* src, size_t numbits);
extern uint32_t bytebits_to_byteLSBF(uint8_t* src, size_t numbits);
extern uint16_t countFC(uint8_t *BitStream, size_t size, uint8_t fskAdj);
extern int DetectASKClock(uint8_t dest[], size_t size, int *clock, int maxErr);
extern uint8_t DetectCleanAskWave(uint8_t dest[], size_t size, uint8_t high, uint8_t low);
-extern uint8_t detectFSKClk(uint8_t *BitStream, size_t size, uint8_t fcHigh, uint8_t fcLow);
-extern uint8_t detectFSKClk_ext(uint8_t *BitStream, size_t size, uint8_t fcHigh, uint8_t fcLow, int *firstClockEdge);
+extern uint8_t detectFSKClk(uint8_t *BitStream, size_t size, uint8_t fcHigh, uint8_t fcLow, int *firstClockEdge);
extern int DetectNRZClock(uint8_t dest[], size_t size, int clock, size_t *clockStartIdx);
extern int DetectPSKClock(uint8_t dest[], size_t size, int clock, size_t *firstPhaseShift, uint8_t *curPhase, uint8_t *fc);
extern int DetectStrongAskClock(uint8_t dest[], size_t size, int high, int low, int *clock);
-extern bool DetectST(uint8_t buffer[], size_t *size, int *foundclock);
-extern bool DetectST_ext(uint8_t buffer[], size_t *size, int *foundclock, size_t *ststart, size_t *stend);
-extern int fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow);
-extern int fskdemod_ext(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow, int *startIdx);
+extern bool DetectST(uint8_t buffer[], size_t *size, int *foundclock, size_t *ststart, size_t *stend);
+extern int fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow, int *startIdx);
extern int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo);
extern uint32_t manchesterEncode2Bytes(uint16_t datain);
extern int ManchesterEncode(uint8_t *BitStream, size_t size);
extern size_t removeParity(uint8_t *BitStream, size_t startIdx, uint8_t pLen, uint8_t pType, size_t bLen);
//tag specific
-extern int AWIDdemodFSK(uint8_t *dest, size_t *size);
+extern int AWIDdemodFSK(uint8_t *dest, size_t *size, int *waveStartIdx);
extern uint8_t Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx, uint32_t *hi, uint64_t *lo);
extern int FDXBdemodBI(uint8_t *dest, size_t *size);
extern int gProxII_Demod(uint8_t BitStream[], size_t *size);
-extern int HIDdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo);
-extern int IOdemodFSK(uint8_t *dest, size_t size);
+extern int HIDdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo, int *waveStartIdx);
+extern int IOdemodFSK(uint8_t *dest, size_t size, int *waveStartIdx);
extern int indala26decode(uint8_t *bitStream, size_t *size, uint8_t *invert);
-extern int ParadoxdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo);
+extern int ParadoxdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo, int *waveStartIdx);
extern int PrescoDemod(uint8_t *dest, size_t *size);
-extern int PyramiddemodFSK(uint8_t *dest, size_t *size);
+extern int PyramiddemodFSK(uint8_t *dest, size_t *size, int *waveStartIdx);
extern int VikingDemod_AM(uint8_t *dest, size_t *size);
extern int Visa2kDemod_AM(uint8_t *dest, size_t *size);