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

Reindl Harald h.reindl at thelounge.net
Fri May 31 18:10:22 EEST 2024

Am 31.05.24 um 15:50 schrieb bbb:
> On 5/31/24 15:16, Reindl Harald wrote:
>> your command is very unspecific to begin with
>> even profile is missing
>> https://trac.ffmpeg.org/wiki/Encode/H.264
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> Thank you for the info and the link!
> It has been working fine so far with just that command (I can't remember 
> where I got it from)

well, so it's completly random what is falling out - no codec options 
specified, no quailty options - basicaly you are telling ffmpeg "do 
whatever you want"

> Seems like profile is defaulting to "high".
>> Stream #0:0(eng): Video: h264 (High), yuv420p(tv, bt709, progressive), 
>> 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1k tbn (default)

which is maybe a problem - at least some years ago anything but baseline 
was a problem on many devices including iPhone

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