Update ffmpeg version to 4.2.1
We're currently still using 4.1.4, which is missing many bugfixes and new features.
Requires gstreamer/meson-ports/ffmpeg#13 (closed) first.
Edited by Sebastian Dröge
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We're currently still using 4.1.4, which is missing many bugfixes and new features.
Requires gstreamer/meson-ports/ffmpeg#13 (closed) first.