[FFmpeg-devel] [PATCH]Flip zerocodec

[Derek Buitenhuis]

On 01/12/2012 9:50 AM, Carl Eugen Hoyos wrote:
> This does not surprise me, I believe we have a few 
> other similar cases..
> Could you provide a sample that plays fine with both 
> WMP and FFmpeg? I would like to look into this problem, 
> but I am unable to do so without samples.

According to [1], a negative height on compressed RGB is not valid.
That said, it's entirely possible that some codecs abuse this, regardless.

- Derek

[1] http://msdn.microsoft.com/en-gb/library/windows/desktop/dd318229(v=vs.85).aspx