how did you find out your GOP structure? does ffmpeg support this? thx

-------- Original Message --------
From:DANIEL LAM <[email protected]>
Sent:Thu, 29 Mar 2018 22:04:19 +0200
To:[email protected]
Subject:[FFmpeg-user] Need ffmpeg command options for converting MPEG2 GOP      
structure

>Dear ffmpeg,
>
>I am new to ffmpeg. I have a MPEG2, 1080i, 29.97fpstransport stream. It has 
>closed GOP structure of I0 P3 B1 B2 P6 B4 B5 P9 B7 B8P12 B10 B11.  I need to 
>convert the GOPto I0 B0 B1.
>
> What is the ffmpeg cli command options to do the conversion?
>
> Thanks much for your help.
>
> Daniel
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