[FFmpeg-devel] Discarded B frames before first keyframe (MPEG)

[Michel Bardiaux]

Taylan O. Toygarlar a ?crit :
> Hi Everyone,
> 
> I am trying to get the exact frame numbers in my program for MPEG files. 
> But some MPEG files have B frames before the first keyframe, which 
> cannot be decoded and thus completely discarded.
> 
> I want to know how many such frames exist in the file, how can I achieve 
> this programmatically?

There is no other way than to count them.

> 
> Any help is highly appreciated,
> Thanks in advance.
> 


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