[Mp4-tech] Gop definition in H.264

[Chirag Pujara]

Hello Experts,
                     I am using JM11.0 reference code to encode yuv data to
h264 encoded. If i
would like to know whether the Intra period in the H264 encoder spec is the
same as the GOP in Mpeg2 or it has some other meaning?
For eg. If is spcify Intra period as 4 and if i dont enable the B frames the
encoding order is " IPPPI'  which is fine but if I specify one B frame then
the encoding order is coming like " IBPBPBPBI". In this case the distance
between consecutive I frames is now 8 instead of the specified value 4. I
would like to know whether they consider B frames also while calculating the
I frame distance or just P frames are only being considered.
----
Thanks and Regards
Chirag Pujara
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