[FFmpeg-user] MP4 concat filter with subtitles

Paul B Mahol onemda at gmail.com
Tue Aug 11 13:53:25 EEST 2020

On 8/11/20, Gojko Adzic <gojkoa at gmail.com> wrote:
> Hi,
> Is there a way to concatenate multiple files while joining subtitles?
> I'm currently using the concat filter (need to re-encode the inputs) and
> naively
> tried to use concat=n=2:v=1:a=1:s=1, which failed as the concat filter
> doesn't seem to like the s output.

Because libavfilter currently does not have implemented processing of
subtitles like video/audio.

> thanks in advance!
> gojko
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