Re: libbluray needs to build .jar for bluray menus to work

[DeepwaterCreations <DeepwaterCreations@users.noreply.github.com>]

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New comment by DeepwaterCreations on void-packages repository

https://github.com/void-linux/void-packages/issues/21641#issuecomment-623870934

Comment:
For anyone looking to confirm the problem, here's the VLC terminal output I get:

```VLC media player 3.0.10 Vetinari (revision 3.0.10-0-g7f145afa84)
[00005592364e7660] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-####'
[0000559236576530] main playlist: playlist is empty
syntax error: line 1
bad entry at or around line 1
aacs.c:546: Error calculating media key. Missing right processing key ?
bdj.c:569: libbluray-j2se-1.2.0.jar not found.
bdj.c:756:** BD-J check: Failed to load libbluray.jar
bdj.c:569: libbluray-j2se-1.2.0.jar not found.
bdj.c:756: BD-J check: Failed to load libbluray.jar
[00007f9ac8001120] libbluray demux: First play: 0, Top menu: 0
HDMV Titles: 0, BD-J Titles: 3, Other: 3
[00007f9ac8001120] libbluray demux error: BD-J menus not supported. Playing without menus. BD-J support: 1, JVM found: 1, JVM usable: 0
[00007f9ac8001120] libbluray demux: Adding ES 4113 select 1
[00007f9ac8001120] libbluray demux: Adding ES 4352 select 1
[00005592365b09c0] main audio output error: too low audio sample frequency (0)
[00007f9acc0e6500] main decoder error: failed to create audio output
[00007f9ac8001120] libbluray demux: Adding ES 4353 select 0
[00007f9ac8001120] libbluray demux: Adding ES 4608 select 0
[00005592365b09c0] vlcpulse audio output error: digital pass-through stream connection failure: Not supported
[00005592365b09c0] main audio output error: module not functional
[00007f9acc0e6500] main decoder error: failed to create audio output
libva info: VA-API version 1.7.0
libva info: Trying to open /usr/lib/dri/radeonsi_drv_video.so
libva info: Found init function __vaDriverInit_1_7
libva info: va_openDriver() returns 0
mesa: for the   --simplifycfg-sink-common option: may only occur zero or one times!
mesa: for the   --global-isel-abort option: may only occur zero or one times!
[00007f9ab8005560] glconv_vaapi_x11 gl error: vaDeriveImage: operation failed
[00007f9ab4050fe0] main video output error: video output creation failed
[00007f9acc004b40] main decoder error: failed to create video output
mesa: for the   --simplifycfg-sink-common option: may only occur zero or one times!
mesa: for the   --global-isel-abort option: may only occur zero or one times!
[00007f9acc004b40] avcodec decoder: Using G3DVL VDPAU Driver Shared Library version 1.0 for hardware decoding
[00007f9acc004b40] main decoder error: buffer deadlock prevented
[00007f9ac8001120] libbluray demux: Closing overlays.
^CQObject::~QObject: Timers cannot be stopped from another thread
```

Aside from the messages about libbluray.jar not being found, this is the one that made me stop assuming my JAVA_HOME path was broken somehow:
`[00007f9ac8001120] libbluray demux error: BD-J menus not supported. Playing without menus. BD-J support: 1, JVM found: 1, JVM usable: 0`
Digging into the libbluray source code revealed that "JVM usable: 0" also means that libbluray.jar is missing, not that there's anything actually wrong with my JVM.