Masterclock TCR1000 Manuel d'utilisateur télécharger pdf (Page 8)

TCR1000SDK–Rev.3.0.0   Page8

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TCR1000_ApiSetFrameRate

ThisfunctionisdeprecatedfortheTCR1000.SincetheTCR1000detectstheframerate,thisisno

longerfunctionnecessary.Itstillexists,buttheframerateissetfromthecarddata,notbythis

function.

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TheTCR1000_ApiSetFrameRatefunctionsetstheframeratefortimecodetypesthatsupportsub‐

secondframerates.

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BOOLTCR1000_ApiSetFrameRate(

WORDrate//thesub‐secondframerateofthetimecodeinuse

);

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Parameters

rate



ThevalueofthisparameterisusedbytheAPI’sasynchronousandpollingtimefunctionstoderivethe

wMillisecondsmemberoftheTCRTIMEstructure.Currently,thisfeatureisavailableonlyforSMPTE‐

type

timecodeswithvalidframeratesbeing30,25,or24.

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ReturnValues

TRUEifthefunctionsucceededinregisteringtheframerate.FALSEifthespecifiedframeratewas

invalidforthetimecodetypebeingdecoded,orifthetimecodedoesnotsupportsub‐secondframe

rates.

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Remarks

TheAPIwillnotsetthewMillisecondsmemberintheTCRTIMEdatastructurereturnedby

asynchronousandpolledtimefunctionsunlessthetimecodeframerateisspecifiedbytheuser

application.Someasynchronousfunctions,suchasASYNC_TIMESETandASYNC_PERSECwillset

wMillisecondsto0

anywaysincetheeventalwaysfallsonaone‐secondboundary.

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Masterclock TCR1000 Manuel d'utilisateur Page 8