[FFmpeg-user] (de)-interlacing question

[Toerless Eckert]

On Thu, Nov 24, 2016 at 12:36:52PM +0000, Andy Furniss wrote:
> >Aka: Don't see anything that would indicate frame duplication, so
> >all i can do is trust the step by step playback from vlc or mplayer.
> 
> I can't reproduce getting ffmpeg to call 50fps or mplayer/vlc to dup
> on framestep, though as I said mplayer gets confused.

This is what i looked at:

http://media.ndr.de/progressive/2016/1115/TV-20161115-0956-4700.hd.mp4

In single step in both mplayer and vlc it shows new frame only every
second step.

> Maybe there is something in the raw chunks that makes MediathekView
> see 50 when it makes the mp4.

Looking at the above URL (which i got from MediathekView, it does not
look as if MV did munge everything. this is non-HLS origin material
from broadcaster).

Cheers
    Toerless

> As the above link is not live you can just download the m3u8 with
> wget, look at it and wget a chunk from one of the links it contains.
> 
> ffmpeg does not call 50 fps if I do that.
> 
> 
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