[streaming] PCR,PTS and DTS calculation

[anand pujari]

Hello everybody,
I wanetd to know how the PCR,PTS and DTS are calculated for video streaming.I know that PCR,PTS and DTS will be already present in mpeg2 program stream. But , suppose i want rewind function, then all the PCR , PTS and DTS have to be calculetd. right?
Can anybody give me the formula for calculating this???
thanks in advance,
Anand
 
 

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