[MPlayer-dev-eng] question re real demuxer - dimensions

[Arpi]

Hi,

> So it seems in rv30 streams after codec sub id + codec id the two bytes are 
> real width and height. Unfortunatelly sometimes it is not the correct width 
> height, and the only way to recognize this (atm) is to check what 
> rvyyuv_transform returns for decodec width & height. 
> I don't know whether it is possible to initialize vo etc. only than , ie. 
> after decoding the first frame. Is it possible? (or any pointer to how - i 
> will rtfsmb anyhow of course :) )

it's possible to init vo from decode() (after doing some frame header
parsing) but you have to init vo BEFORE any buffer allocation (get_buffer()).
see vd_mpng for example


A'rpi / Astral & ESP-team

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