mpv not compiled with lua support

[inflation]

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To help us debug your issue please explain:

• What you were trying to do (and why) brew upgrade
• What happened (include command output) Updated mpv and found that all functionalities related to lua are not available.
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[DomT4]

Checking for Lua                                                  : no ('luajit >= 2.0.0' not found)

    --lua=LUA_VER       select Lua package which should be autodetected. Choices: 51 51deb 51obsd 51fbsd 52 52deb 52arch
                        52fbsd luajit

[cplayer] List of enabled features: apple-remote asm atomics avutil-content-light-level avutil-icc-profile avutil-imgcpy-uc avutil-spherical bsd-fstatfs build-date cocoa coreaudio cplayer cplugins cuda-hwaccel debug-build encoding fchmod gl gl-cocoa glob glob-posix gnuc iconv is_ffmpeg jpeg lcms2 libass libass-osd libav libavcodec libavdevice libdl libm libmpv-shared macos-touchbar nanosleep optimize osx-thread-name plain-gl posix posix-or-mingw posix-spawn pthreads shm stdatomic termios videotoolbox-gl videotoolbox-hwaccel videotoolbox-hwaccel-new zlib zsh-comp

Yup. Fixed by https://github.com/Homebrew/homebrew-core/pull/21389.

[CounterPillow]

This is not an upstream issue.

[ilovezfs]

@CounterPillow the tag means an upstream issue report needs to be created.

[Argon-]

Does this suffice? https://github.com/mpv-player/mpv/pull/1914#issuecomment-98686501 All in all, mpv does not intend to support lua 5.3. Not now and not in the foreseeable future, as far as I know.

[ilovezfs]

That is a closed issue from over two years ago. There needs to be a current, open issue. If there's zero upstream intent to support the current lua version at some point soon, then we could just remove lua support from the formula, I suppose.

[Argon-]

That's what I tried to say, there is currently 0 effort going on to support lua 5.3. This doesn't mean that a good PR would be rejected (as you can see from the linked one, technical issues prevented merging it, not the fact it was lua 5.3). But so far I don't see one on the horizon and nobody interested in creating one.

While lua is technically an optional dependency of mpv, without it you actually loose so much functionality that I wouldn't consider a build without lua useful as mpv already ships with built-in lua scripts. No lua means no streaming, no youtube/other video websites, no on screen controller, no stats, no user scripts.

[JCount]

@Argon- What about switching to using LuaJIT? It is Lua 5.1 ABI compatible, and is still being actively "maintained".

[Argon-]

I would actually like that but there were problems: https://github.com/mpv-player/mpv/issues/1110#issuecomment-302879492 Back then, I didn't investigate as nobody was interested in having luajit support on OSX and normal lua was fast enough for me. Maybe these problems are magically resolved by now, who knows... need to test/investigate this again but I can't give you an ETA on that.

[ilovezfs]

Upstream issue here: https://github.com/mpv-player/mpv/issues/5205