[mythtv] Dynamically loading libdvdcss on macOS

[Scott Theisen]

On 2025/07/23 18:02, Nigel Pearson wrote:
>
>> On 24 Jul 2025, at 3:34 am, Scott Theisen <scott.the.elm at gmail.com> 
>> asked:
>>
>> MythTV's copy of libdvdread has customizations for finding libdvdcss 
>> on macOS.  I think this is related to packaging?  Does anyone know if 
>> this customization is still necessary?
>
>
> Necessary?
>
> 1) I doubt anyone still has a DVD drive capable Mac :-)
>

They could have disk images without CSS stripped and there are external 
(USB) DVD drives.

> 2) Most users probably use something like MacPorts,
> which does its own dependency install locations?
>
>
>
> However, a quick look at a standalone binary:
>
> https://sourceforge.net/projects/mythtvformacosx/files/v36/macOS%2013%20Ventura/MythFrontend-x86_64-macOS13-v36-with-plugins.dmg/download
>
> shows DVD & related libraries:
>
> % ls mythfrontend.app/Contents/Frameworks/ | grep -E 'dvd|css|blu|udf'
>
> libbluray.2.dylib
>
> libmythdvdnav.36-36.dylib
>
> libudfread.1.dylib
>
>
>
>
> so unless we are removing that feature,
> something similar to my old ugliness has to stay?
>

That bundle doesn't have libdvdcss.2.dylib, so there is no reason to 
search extra locations when it won't be found there.

It looks like only the deprecated packaging scripts for macOS in 
https://github.com/MythTV/packaging/ do anything with libdvdcss.

So the question is really: do we want to support bundling libdvdcss on 
macOS or will libdvdcss only be found if it is in the normal search path 
for dlopen()?

Regards,

Scott Theisen
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