[FFmpeg-user] Metadata text length

Moritz Barsnick barsnick at gmx.net
Mon Mar 18 22:25:54 EET 2019

On Mon, Mar 18, 2019 at 19:40:41 +0000, FFmpeg user discussions wrote:
> I think the patch here: https://patchwork.ffmpeg.org/patch/12047 has
> introduced a limit to the length of plain ASCII text that can be written
> into mpegts metadata fields. I'm seeing ffmpeg exit when trying to write
> a string of more than ~150 characters with "Too long service or provider
> name".

You should show us your actual command line and its complete, uncut
console output.

> Is there a designed or documented limit - I can't see one from a brief
> look at the code, perhaps I'm missing something ?

>From a quick glance, it looks like it's implemented as 254, but
multibyte characters (such as UTF-8) count as just that, multiple


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