[libbluray-devel] Found a JRE compiled for Android (ARM)

Vitor Dall'Acqua veggav at gmail.com
Mon Jan 25 15:55:56 UTC 2021 

Forgot to add the link to the discussion:

https://forum.kodi.tv/showthread.php?tid=252356&page=15

The user is Trigu75

On Mon, Jan 25, 2021 at 12:55 PM Vitor Dall'Acqua <veggav at gmail.com> wrote:

> It seems people were discussing Vidon GPL violations in the Kodi forum.
>
> In this topic someone built a Kodi Jarvis version of vidon and the dropbox
> link still works.
> Libbdjvm.so is 1 year younger compared to the one in the apk supplied by
> vidon website
>
> But still, same size and same error as before.
>
> On Mon, Jan 25, 2021 at 12:31 PM Vitor Dall'Acqua <veggav at gmail.com>
> wrote:
>
>> I believe they are DVDFab now.
>>
>> I'll try to reach from there.
>> They do have DVDFab Media Player but it's Windows only.
>>
>> On Mon, Jan 25, 2021 at 12:29 PM Shaya Potter <spotter at gmail.com> wrote:
>>
>>> vidon will be probably be antagonistic.  :)
>>>
>>> On Mon, Jan 25, 2021 at 5:27 PM Vitor Dall'Acqua <veggav at gmail.com>
>>> wrote:
>>>
>>>> Done:
>>>>
>>>> https://github.com/vidonme/xbmc_runtime/issues/1
>>>>
>>>> Done:
>>>> https://github.com/MasterDevX/Termux-Java/issues/42
>>>>
>>>> I don't think "Hax4us" actually wrote that library.
>>>>
>>>> On Mon, Jan 25, 2021 at 12:22 PM Shaya Potter <spotter at gmail.com>
>>>> wrote:
>>>>
>>>>> I know, but it isn't like they are selling it, I doubt they would be
>>>>> antagonistic, its more likely that they don't see it or are too busy with
>>>>> other things.  no harm or foul in trying to reach out.
>>>>>
>>>>> On Mon, Jan 25, 2021 at 5:17 PM Vitor Dall'Acqua <veggav at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> It's not the termux team.
>>>>>>
>>>>>> The JRE is like an addon. Someone made it and added to github,
>>>>>> without source, a few years ago.
>>>>>>
>>>>>> On Mon, Jan 25, 2021 at 12:12 PM Shaya Potter <spotter at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> termux is an open source project, I doubt they would be antagonistic
>>>>>>> to open source.  Just explain why you are looking to be able to build a jvm
>>>>>>> to install with kodi.  I'm pretty sure they would understand.
>>>>>>>
>>>>>>> On Mon, Jan 25, 2021 at 5:06 PM Vitor Dall'Acqua <veggav at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> No source as usual.
>>>>>>>>
>>>>>>>> And I have asked on this git and the termux one for source.
>>>>>>>>
>>>>>>>> I doubt I'll get any reply.
>>>>>>>>
>>>>>>>> On Mon, Jan 25, 2021, 12:00 PM Shaya Potter <spotter at gmail.com>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> its not protection, it's that the .so file has to be compiled in
>>>>>>>>> the same way as the kodi binary.  if they aren't compiled in an equivalent
>>>>>>>>> way, then you can't load it and wll get errors such as you see.  As I said,
>>>>>>>>> you should reach out to the people who provide those jvm binaries on github
>>>>>>>>> and say you wan to try to bring jvm to kodi on android, but need to be able
>>>>>>>>> to compile it from scratch to do so to work with kodi, do they have the
>>>>>>>>> source code available so that people can try to make it work with kodi?
>>>>>>>>>
>>>>>>>>> On Mon, Jan 25, 2021 at 3:44 PM Vitor Dall'Acqua <veggav at gmail.com>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>> So close yet so far...
>>>>>>>>>>
>>>>>>>>>> It seems, 5 years ago, that a group forked Kodi (in that time
>>>>>>>>>> named XBMC) and sold it as Vidon XBMC.
>>>>>>>>>> This had bluray menu support for Android boxes.
>>>>>>>>>>
>>>>>>>>>> You can get the apk today from their site:
>>>>>>>>>> http://vidon.me/
>>>>>>>>>>
>>>>>>>>>> If you unpack the library you see a libbdjvm.so
>>>>>>>>>> So renamed it to libjvm.so and packed it inside the 32bits
>>>>>>>>>> version of Kodi.
>>>>>>>>>> Fired Kodi and a bluray ISO:
>>>>>>>>>>
>>>>>>>>>> 2021-01-25 11:28:52.360 T:20316   DEBUG <general>:
>>>>>>>>>> CBlurayCallback::Logger - dl_posix.c:54: can't open library 'libjvm.so':
>>>>>>>>>> dlopen failed:
>>>>>>>>>> "/mnt/expand/cab01563-bcca-48fa-a0bf-0fbddaf9b192/app/org.xbmc.kodi19DV32-Oul0BM1JFWrYMUmo3Pd3yA==/lib/arm/libjvm.so"
>>>>>>>>>> has text relocations (
>>>>>>>>>> https://android.googlesource.com/platform/bionic/+/master/android-changes-for-ndk-developers.md#Text-Relocations-Enforced-for-API-level-23
>>>>>>>>>> )
>>>>>>>>>>
>>>>>>>>>> No source, not possible to recompile =(
>>>>>>>>>>
>>>>>>>>>> I guess this protection is now part of Android OS and can't be
>>>>>>>>>> disabled just for testings, right?
>>>>>>>>>>
>>>>>>>>>> On Sun, Jan 24, 2021 at 1:11 PM Vitor Dall'Acqua <
>>>>>>>>>> veggav at gmail.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> This is a neat idea but this kind defeats the purpose, unless it
>>>>>>>>>>> was mostly a copy and paste solution from what you already did and easy to
>>>>>>>>>>> achieve.
>>>>>>>>>>> Also I don't know much of how to work with the skin kodi uses. I
>>>>>>>>>>> believe it uses information stored in xml files to show content on the
>>>>>>>>>>> screen.
>>>>>>>>>>>
>>>>>>>>>>> but it's kinda of a bittersweet solution, menus are part of the
>>>>>>>>>>> appeal of physical media, that's the beauty of it.
>>>>>>>>>>>
>>>>>>>>>>> On Sun, Jan 24, 2021 at 1:03 PM Shaya Potter <spotter at gmail.com>
>>>>>>>>>>> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> ah, ok :)  understood.
>>>>>>>>>>>>
>>>>>>>>>>>> On Sun, Jan 24, 2021 at 6:02 PM Vitor Dall'Acqua <
>>>>>>>>>>>> veggav at gmail.com> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> the thing is, I'm not a computer engineer, I'm just a
>>>>>>>>>>>>> veterinary that knows how to solve a few problems.
>>>>>>>>>>>>> Doing a project in this magnitude is beyond what I can do.
>>>>>>>>>>>>>
>>>>>>>>>>>>> I would gladly help fund something like that, and I believe
>>>>>>>>>>>>> many others in the Kodi forum would feel the same but this is as far as my
>>>>>>>>>>>>> skills go.
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Sun, Jan 24, 2021 at 12:55 PM Shaya Potter <
>>>>>>>>>>>>> spotter at gmail.com> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> as I said, reach out to them to get the source code and put
>>>>>>>>>>>>>> the work into building it with the ndk that kodi uses.  One can also look
>>>>>>>>>>>>>> at phoneme (as petri mentioned)
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> https://github.com/nikita36078/phoneME-android (example,
>>>>>>>>>>>>>> don't know if this is the most uptodate version of the phoneme / android
>>>>>>>>>>>>>> code floating around)
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> this is a java me environment and while not what libbluray is
>>>>>>>>>>>>>> commonly used with today, should be all that's needed for blurays to run.
>>>>>>>>>>>>>> With that said, I don't know what limitations it has and how its graphic
>>>>>>>>>>>>>> drawing capabilities will work with libbluray.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> getting it to build with the ndk that kodi uses is probably
>>>>>>>>>>>>>> going to be a bit of work (perhaps an understatement), but if you do, all
>>>>>>>>>>>>>> these linking problems should hopefully disappear. (in the case of java me,
>>>>>>>>>>>>>> it's no longer the jvm binary, but the cvm binary that you will be using)
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> On Sun, Jan 24, 2021 at 5:45 PM Vitor Dall'Acqua <
>>>>>>>>>>>>>> veggav at gmail.com> wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Today I tried with the 32bits build of Kodi with the arm
>>>>>>>>>>>>>>> build of that java for termux, now that I know how to add files to the apk,
>>>>>>>>>>>>>>> it was much easier.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> So, the files for java need to be in the lib folder of the
>>>>>>>>>>>>>>> apk and adding subfolders break the jarsigner.
>>>>>>>>>>>>>>> This means some files will be overwritten and I used the JRE
>>>>>>>>>>>>>>> ones to do so.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> with the 64bits version the error is always the same ELF TLS
>>>>>>>>>>>>>>> DT entry is failing, with some google skills this seem like something about
>>>>>>>>>>>>>>> improperly linking the libs and this would only be possible to overcome
>>>>>>>>>>>>>>> with the source and the possibility to build our own java for android.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Next the 32bits, first it failed because
>>>>>>>>>>>>>>> of ld-linux-armhf.so.3 not found. This isn't part of the package so I
>>>>>>>>>>>>>>> grabbed it from arm-linux-gnueabihf.
>>>>>>>>>>>>>>> $ sudo apt-get install libc6-armhf-cross
>>>>>>>>>>>>>>> and it was found
>>>>>>>>>>>>>>> in usr/arm-linux-gnueabihf/lib/ld-linux-armhf.so.3
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> so, after that the error is:
>>>>>>>>>>>>>>> 2021-01-24 13:32:26.058 T:18658   DEBUG <general>:
>>>>>>>>>>>>>>> CBlurayCallback::Logger - dl_posix.c:54: can't open library 'libjvm.so':
>>>>>>>>>>>>>>> dlopen failed: unknown reloc type 17 @ 0x981984c8 (65342)
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> If you guys know anything else I would be happy to try
>>>>>>>>>>>>>>> but...
>>>>>>>>>>>>>>> beyond that I have no idea what can be done.
>>>>>>>>>>>>>>> I'm throwing the towel and giving up.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> It would be outstanding to have full blurays and blurays uhd
>>>>>>>>>>>>>>> on Android. As Shaya said it is the holy grail because it's a much better
>>>>>>>>>>>>>>> experience than having a computer running windows and CoreElec is very
>>>>>>>>>>>>>>> hardware restricted.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> On Sat, Jan 23, 2021 at 9:02 PM Vitor Dall'Acqua <
>>>>>>>>>>>>>>> veggav at gmail.com> wrote:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> I managed to insert everything into the apk, here's how:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> use sdk command lines tool aapt and do:
>>>>>>>>>>>>>>>> $aapt add -v apkname.apk files/*
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> sign with
>>>>>>>>>>>>>>>> jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1
>>>>>>>>>>>>>>>> -keystore ~/.android/debug.keystore apkname.apk androiddebugkey
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> ok, now that we have everything inside the apk and
>>>>>>>>>>>>>>>> unpaking the way we want here's the new problem:
>>>>>>>>>>>>>>>> 2021-01-23 21:58:03.326 T:30186   DEBUG <general>:
>>>>>>>>>>>>>>>> CBlurayCallback::Logger - dl_posix.c:54: can't open library 'libjvm.so':
>>>>>>>>>>>>>>>> dlopen failed: unsupported ELF TLS DT entry in
>>>>>>>>>>>>>>>> "/mnt/expand/cab01563-bcca-48fa-a0bf-0fbddaf9b192/app/org.xbmc.kodi19DV-ZUB_1OMT4YBiycijbgSzvA==/lib/arm64/libjvm.so"
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> so, is this a game over without the source code?
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> On Sat, Jan 23, 2021 at 7:53 PM Vitor Dall'Acqua <
>>>>>>>>>>>>>>>> veggav at gmail.com> wrote:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Ok 10 hours of work is enough for a day. I'll be back
>>>>>>>>>>>>>>>>> tomorrow.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> And from what I see we actually need the files inside
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> /mnt/expand/cab01563-bcca-48fa-a0bf-0fbddaf9b192/app/org.xbmc.kodi19DV-
>>>>>>>>>>>>>>>>> BHAaVSj7u8lhvDk_OSQttQ==/
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> looking clearly now it's no == the path actually has 2 =
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> I already know how to pack stuff using Kodi make apk, I'm
>>>>>>>>>>>>>>>>> adding here:
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> build/tools/android/packaging/xbmc/build/intermediates/stripped_native_libs/debugUnsigned/out/lib/arm64-v8a/
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> and when compiling those are showing up.. but for some
>>>>>>>>>>>>>>>>> reason.. the *so.6 isn't going.. probably because it is a link...
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> On Sat, Jan 23, 2021 at 7:37 PM Petri Hintukainen <
>>>>>>>>>>>>>>>>> phintuka at users.sourceforge.net> wrote:
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> la, 2021-01-23 kello 23:38 +0200, Shaya Potter kirjoitti:
>>>>>>>>>>>>>>>>>> > On Sat, Jan 23, 2021, 11:32 PM Petri Hintukainen <
>>>>>>>>>>>>>>>>>> > phintuka at users.sourceforge.net> wrote:
>>>>>>>>>>>>>>>>>> > > la, 2021-01-23 kello 17:43 -0300, Vitor Dall'Acqua
>>>>>>>>>>>>>>>>>> kirjoitti:
>>>>>>>>>>>>>>>>>> > > > Well, I'm no expert but when I tried to add it
>>>>>>>>>>>>>>>>>> along with other
>>>>>>>>>>>>>>>>>> > > > libraries it ended up in the same folder along with
>>>>>>>>>>>>>>>>>> all other
>>>>>>>>>>>>>>>>>> > > libs.
>>>>>>>>>>>>>>>>>> > >
>>>>>>>>>>>>>>>>>> > > Then, it should find libjvm.so from there without any
>>>>>>>>>>>>>>>>>> path ? If
>>>>>>>>>>>>>>>>>> > > JAVA_HOME is unset, first probed library is
>>>>>>>>>>>>>>>>>> "libjvm.so" without any
>>>>>>>>>>>>>>>>>> > > path added to it.
>>>>>>>>>>>>>>>>>> > >
>>>>>>>>>>>>>>>>>> > > If not, you could try adding following snippet to
>>>>>>>>>>>>>>>>>> > > bdj.c:_load_jvm(),
>>>>>>>>>>>>>>>>>> > > before "java_home = getenv("JAVA_HOME")" line:
>>>>>>>>>>>>>>>>>> > >
>>>>>>>>>>>>>>>>>> > >     handle = dl_dlopen("/lib/arm64/libjvm.so", NULL);
>>>>>>>>>>>>>>>>>> > >     if (handle) {
>>>>>>>>>>>>>>>>>> > >         return handle;
>>>>>>>>>>>>>>>>>> > >     }
>>>>>>>>>>>>>>>>>> > >
>>>>>>>>>>>>>>>>>> > > But JVM probably won't find other files it needs if
>>>>>>>>>>>>>>>>>> those are
>>>>>>>>>>>>>>>>>> > > inside
>>>>>>>>>>>>>>>>>> > > the apk.
>>>>>>>>>>>>>>>>>> >
>>>>>>>>>>>>>>>>>> > I was arguing that the whole jvm needs to be in the
>>>>>>>>>>>>>>>>>> apk, see the
>>>>>>>>>>>>>>>>>> > phoneme apk I linked to.  It includes cvm in /assets/
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Yes, that seems to allow keeping the directory structure.
>>>>>>>>>>>>>>>>>> libjvm.so
>>>>>>>>>>>>>>>>>> probably looks for the other files using paths relative
>>>>>>>>>>>>>>>>>> to it's
>>>>>>>>>>>>>>>>>> location. But how are files in assets accessed? If those
>>>>>>>>>>>>>>>>>> are not
>>>>>>>>>>>>>>>>>> accessible from "normal" filesystem it doesn't work.
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Can we use something similar to this:
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> /mnt/expand/cab01563-bcca-48fa-a0bf-0fbddaf9b192/app/org.xbmc.kodi19DV-
>>>>>>>>>>>>>>>>>> BHAaVSj7u8lhvDk_OSQttQ==/lib/arm64/libkodi.so
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> If not, those files need to be extracted somewhere in the
>>>>>>>>>>>>>>>>>> filesystem.
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> > _______________________________________________
>>>>>>>>>>>>>>>>>> > libbluray-devel mailing list
>>>>>>>>>>>>>>>>>> > libbluray-devel at videolan.org
>>>>>>>>>>>>>>>>>> > https://mailman.videolan.org/listinfo/libbluray-devel
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>>>>>> libbluray-devel mailing list
>>>>>>>>>>>>>>>>>> libbluray-devel at videolan.org
>>>>>>>>>>>>>>>>>> https://mailman.videolan.org/listinfo/libbluray-devel
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>>> libbluray-devel mailing list
>>>>>>>>>>>>>>> libbluray-devel at videolan.org
>>>>>>>>>>>>>>> https://mailman.videolan.org/listinfo/libbluray-devel
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>> libbluray-devel mailing list
>>>>>>>>>>>>>> libbluray-devel at videolan.org
>>>>>>>>>>>>>> https://mailman.videolan.org/listinfo/libbluray-devel
>>>>>>>>>>>>>>
>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>> libbluray-devel mailing list
>>>>>>>>>>>>> libbluray-devel at videolan.org
>>>>>>>>>>>>> https://mailman.videolan.org/listinfo/libbluray-devel
>>>>>>>>>>>>>
>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>> libbluray-devel mailing list
>>>>>>>>>>>> libbluray-devel at videolan.org
>>>>>>>>>>>> https://mailman.videolan.org/listinfo/libbluray-devel
>>>>>>>>>>>>
>>>>>>>>>>> _______________________________________________
>>>>>>>>>> libbluray-devel mailing list
>>>>>>>>>> libbluray-devel at videolan.org
>>>>>>>>>> https://mailman.videolan.org/listinfo/libbluray-devel
>>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> libbluray-devel mailing list
>>>>>>>>> libbluray-devel at videolan.org
>>>>>>>>> https://mailman.videolan.org/listinfo/libbluray-devel
>>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> libbluray-devel mailing list
>>>>>>>> libbluray-devel at videolan.org
>>>>>>>> https://mailman.videolan.org/listinfo/libbluray-devel
>>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> libbluray-devel mailing list
>>>>>>> libbluray-devel at videolan.org
>>>>>>> https://mailman.videolan.org/listinfo/libbluray-devel
>>>>>>>
>>>>>> _______________________________________________
>>>>>> libbluray-devel mailing list
>>>>>> libbluray-devel at videolan.org
>>>>>> https://mailman.videolan.org/listinfo/libbluray-devel
>>>>>>
>>>>> _______________________________________________
>>>>> libbluray-devel mailing list
>>>>> libbluray-devel at videolan.org
>>>>> https://mailman.videolan.org/listinfo/libbluray-devel
>>>>>
>>>> _______________________________________________
>>>> libbluray-devel mailing list
>>>> libbluray-devel at videolan.org
>>>> https://mailman.videolan.org/listinfo/libbluray-devel
>>>>
>>> _______________________________________________
>>> libbluray-devel mailing list
>>> libbluray-devel at videolan.org
>>> https://mailman.videolan.org/listinfo/libbluray-devel
>>>
>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.videolan.org/pipermail/libbluray-devel/attachments/20210125/c481a588/attachment-0001.html>

More information about the libbluray-devel mailing list