[FFmpeg-cvslog] proresdec2: Only try to decode alpha plane if four output planes were allocated.

[Carl Eugen Hoyos]

Reimar Döffinger <Reimar.Doeffinger <at> gmx.de> writes:

> > proresdec2: Only try to decode alpha plane if four 
> > output planes were allocated.
> > 
> > Fixes a crash with MPlayer.
> 
> This seems strange, I don't quite understand how this happens,

Do you mean you cannot reproduce the crash?

> why it works with FFmpeg etc.

One of the reasons it works is 5e29e91

[...]

> There isn't really much sensible a standalone player can 
> do with alpha, so decoding it is just a waste of time.

In this case, I will commit the MPlayer patch that 
ignores prores alpha.

Carl Eugen