[FFmpeg-devel] current way to tell if image is bottom up -possible bug

Derek Buitenhuis derek.buitenhuis at gmail.com
Thu Aug 23 20:30:40 CEST 2012

On 23/08/2012 2:26 PM, Don Moir wrote:
> So your saying extradata should contain "BottomUp" in this case? I always 
> thought this was a bit strange and thinking a flag should be used instead.
> I don't know for sure if it ever worked in ffplay because I don't think 
> ffplay ever checked for "BottomUp". Just saying its upside down in ffplay.
> For me, I check for "BottomUp" and invert if necessary and no longer can do.
> Just reply and I will report it as a bug. 

Just a note here, this may be why I could not properly detect bottom-up in
ZeroCodec when I tried. Possibly related to that bug.

- Derel

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