Time code and time code analysis [Archive]

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Dave1024

26th June 2011, 10:48

Hi,

what is time code and what is its use in mpeg 2 video and audio format.

please share some good reference spots about its implementation.

Thanks
Dave

jmac698

27th June 2011, 01:48

http://www.bretl.com/mpeghtml/timemdl.HTM

Dave1024

5th July 2011, 20:36

Hi jmac698,

Thanks to Ur replay.

Can u share some reference for h.264 decoder ?

:thanks:
Dave

kieranrk

6th July 2011, 00:16

Strictly speaking that's not timecode in the link above, that's timestamp.

In MPEG-2 timecode goes in one of the GOP headers.
In MPEG-4/AVC it goes in the pic-struct element.

Dave1024

6th July 2011, 19:28

Hi,

Let me explain few doubts about this.

Time calculation is a cumulative process for the entire stream ?

How can i calculate the time code for a stream with 30 fps and gop is send in between every 30 frames ?

Please help me to find out the solution.

In H.264 what is the info for time code

Thanks
Dave