[FFmpeg-user] concat demuxer filter_complex (fade)

Moritz Barsnick barsnick at gmx.net
Mon Apr 13 01:49:18 EEST 2020

On Sat, Apr 11, 2020 at 18:23:07 -0500, atticus via ffmpeg-user wrote:
> I learned, that it's possible to define multiple inputs and reference then
> later in the filter_complex to the different inputs like this:
> But is this possible with using the concat demuxer (providing the files by
> writing them into a file) too? And if yes how?
> (Goal is to specify the videos through a file, using the concat demuxer, but
> apply the fade filter to each of the video files before concatenating them.
> Is it possible to make this in one step?)

No, sorry. The demuxer creates combined/concatenated streams out of the
inputs, which you can no longer distinguish in the filter chain.


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