[FFmpeg-user] how to control quality of subtitles

Carl Eugen Hoyos ceffmpeg at gmail.com
Fri May 22 22:28:58 EEST 2020


Am Fr., 22. Mai 2020 um 16:01 Uhr schrieb Peter M√ľnster <pmlists at free.fr>:

> I would like to learn, how to control the quality of the displayed
> subtitles.

It is indeed possible to force a palette for dvd subtitles but only
on decoding because many sources miss the palette, your
command line should produce an output file with dvdsub
palette.

> This is how I create the video:
>
> ffmpeg -i input.ts -map 0:0 -map 0:1 -map 0:2 -c:v libx264 -c:a copy
>        -c:s dvdsub output.mkv

Complete, uncut console output missing.

> This looks nice with VLC: http://pmrb.free.fr/tmp/ffmpeg-test/vlc.jpg
> But very ugly with a Samsung TV:

Looks like an issue of the Samsung TV but feel free to compare
with other players.

Carl Eugen


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