[Mp4-tech] [MPEG2-SYSTEMS]PCR Discontinuity Issues

[Mohit Agarwal]

Hi,
I have a doubt regarding  discontinuity indicator in the case of pcr
packets, mentioned in section 2.4.3.5- discontinuity_indicator of H.222.0 
What I interpret from the Standard is:
<valid_pcr, discontinuity_indicator = 0> 
 <valid_pcr, discontinuity_indicator = 0> 
 <invalid_pcr, discontinuity_indicator = 1> //do not use this value
 <valid_pcr, discontinuity_indicator = 1> //use this value
 <valid_pcr, discontinuity_indicator = 0>
   .
   .
   .
The standard also mentions that there can be more than two packets with
discontinuity indicator =1.
But the question in this case is that how does one differentiate which
packet contains the valid pcr value???
Thanks
Mohit Agarwal
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