[FFmpeg-user] -c:v png

[Martin Vignali]

Le lun. 24 sept. 2018 à 10:50, Benoit LELOUTRE <lel at rtbf.be> a écrit :

> Hi,
> I try to compress video with alpha.
> For this I'm using -c:v png codec. But for technical issue,  I want to
> limit the bitrate at 100Mb/s.
> First I tried with -b:v 100M but not working.
> After I tried with -compression_level 50 ... no success.
> For the both, the result is the same with a bitrate of 180Mb/s.
> If you have any idea ?
> Thanks.
>
> Png is a lossless codec, you can't set a bitrate for it.
Use a lossy codec instead.

Martin