[FFmpeg-devel] suggested patch: avfilter/vf_subtitles: add support for subtitles font scaling

[Sergey]

Hello.

Recently I used ffmpeg to embed subtitles, and I needed to scale them.

I thought "original_size" option scales subtitles, but it does not.
So I wrote a short patch for it to do that (attached)

If that is considered too complex/bad idea I've also attached another patch
that adds a "font_scale" option instead.

I hope you like one of these.
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