ffmpeg 'depends' on qtbase

qtbase seems like a rather heavy dependency for ffmpeg. After looking

through 'guix graph ffmpeg'

qtbase -> extra-cmake-modules -> fcitx -> sdl2 -> ffmpeg

What does sdl2 bring to ffmpeg?

(on a similar note, what does it bring to u-boot?)

'guix size ffmpeg'

with sdl2: 713.3 MiB

without sdl2: 699.2 MiB

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Efraim Flashner <efraim@flashner.co.il> ????? ?????

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On Sun, May 03, 2020 at 11:41:49AM +0300, Efraim Flashner wrote:

According to that page, "This output device allows one to show a video

stream in an SDL window. Only one SDL window is allowed per application,

so you can have only one instance of this output device in an

application."

Personally, I think FFmpeg is useful because it does everything. It's

supposed to be heavy. But maybe the dependency chain could be cut

earlier, if that's important. Although, I think most systems will

include Qtbase for other reasons.

On Sun, May 03, 2020 at 02:31:35PM -0400, Leo Famulari wrote:

guix refresh -l sdl2: 355 packages

guix refresh -l ffmpeg: 154 packages

guix refresh -l qtbase: 768 packages

(with fcitx removed from sdl2)

guix refresh -l qtbase: 508

not enough to drop it into master for updates. I saw it mostly where it

comes to building on slow machines without substitutes. Since I'm

building without substitutes I'll probably make a change somewhere

locally.

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On Mon, May 04, 2020 at 10:15:52AM +0300, Efraim Flashner wrote:

Alright, closing