[FFmpeg-user] Problems with old TV - Can I decode a new file and re-encode to an older version of a codec?

[Reindl Harald]

Am 31.05.24 um 14:42 schrieb bbb:
> Five years ago, I've bought an inexpensive Samsung TV (ue55nu7099) and 
> I'm using it to watch from minidlna server. I'm not very happy with the 
> firmware player, but it's bearable and I don't want to use an external 
> player. The TV can access the local network but is blocked from internet 
> access.
> 
>  From the beginning, the TV was very picky about the encoding of media 
> files but I found out, that I can make just any file playable when I 
> re-encode it with this command:
>> ffmpeg -i INPUT.mkv -c:v h264 -pix_fmt yuv420p -c:a ac3 OUTPUT.mkv
> 
> This stopped working a few weeks back. The TV started to skip frames and 
> sometimes even froze without being able to recover. I was able to solve 
> that by installing an older static version of ffmpeg.

your command is very unspecific to begin with
even profile is missing

https://trac.ffmpeg.org/wiki/Encode/H.264