On Sun, May 03, 2020 at 02:31:35PM -0400, Leo Famulari wrote: > On Sun, May 03, 2020 at 11:41:49AM +0300, Efraim Flashner wrote: > > 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 > > > > https://ffmpeg.org/ffmpeg-devices.html#sdl > > 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. 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. -- Efraim Flashner אפרים פלשנר GPG key = A28B F40C 3E55 1372 662D 14F7 41AA E7DC CA3D 8351 Confidentiality cannot be guaranteed on emails sent or received unencrypted