UWP: Play AAC/AC3 audio

[Matthew Waters]

Hi,

This sounds like 
https://gitlab.freedesktop.org/gstreamer/cerbero/-/merge_requests/655 
<https://gitlab.freedesktop.org/gstreamer/cerbero/-/merge_requests/655> 
which is an issue with newer versions of setuptools.

Cheers
-Matt

On 29/10/20 9:43 am, Andy Devar wrote:
> Hi,
>
> can't get this to work:
>
> Code: https://gitlab.freedesktop.org/nirbheek/cerbero.git 
> <https://gitlab.freedesktop.org/nirbheek/cerbero.git>
> Branch: uwp-more-recipes-wip
>
> python ./cerbero-uninstalled -c config/win64.cbc -v uwp  package 
> gstreamer-1.0
>
> When zlib is built for example, the following error is thrown:
> ..\meson.build:1:0: ERROR: Unable to detect GNU compiler type:
>
> This is probably because the value of the variable named compiler is 
> ['false'] in method get_gnu_compiler_defines (in environment.py). I 
> have checked this by adding a pprint in this method.
>
> I guess this value is fetched from 
> cerbero/build/sources/uwp_x86_64/zlib-1.2.11/_builddir/meson-native-file.txt 
> - the binaries section looks like this:
>
> [binaries]
> c = ['false']
> cpp = ['false']
> objc = ['false']
> objcpp = ['false']
> ar = ['false']
> pkgconfig = ['false']
> cmake = ['false']
>
> Is this expected?
>
> In the meson-cross-file, which is also passed to meson, this section 
> looks better:
>
> [binaries]
> c = ['cl']
> cpp = ['cl']
> objc = ['false']
> objcpp = ['false']
> ar = ['lib']
> pkgconfig = 'pkg-config'
> cmake = ['false']
> comspec = ['C:\\WINDOWS\\SysWOW64\\cmd.exe']
> msyscon = ['sh.exe']
> perl = ['perl']
> gendef = ['gendef']
> dlltool = ['x86_64-w64-mingw32-dlltool']
> windres = ['rc']
>
> But it's obviously not used.
>
> This is the command called by cerbero-uninstalled:
>
> C:/MinGW/msys/1.0/home/user/git/nirbheek/uwp-more-recipes/cerbero/build/build-tools/bin/meson 
> --prefix=C:/MinGW/msys/1.0/home/user/git/nirbheek/uwp-more-recipes/cerbero/build/dist/uwp_x86_64 
> --libdir=lib -Ddebug=true --default-library=both -Doptimization=2 
> --backend=ninja --wrap-mode=nodownload -Db_vscrt=md --cross-file 
> C:/MinGW/msys/1.0/home/user/git/nirbheek/uwp-more-recipes/cerbero/build/sources/uwp_x86_64/zlib-1.2.11/_builddir/meson-cross-file.txt 
> --native-file 
> C:/MinGW/msys/1.0/home/user/git/nirbheek/uwp-more-recipes/cerbero/build/sources/uwp_x86_64/zlib-1.2.11/_builddir/meson-native-file.txt
>
> Versions:
> Meson: 0.55.3
> Python: 3.9.0
>
>
> Thanks.
>
> Andy
>
> Am Mo., 26. Okt. 2020 um 16:30 Uhr schrieb Nirbheek Chauhan 
> <nirbheek.chauhan at gmail.com <mailto:nirbheek.chauhan at gmail.com>>:
>
>     Hi,
>
>     Your best bet for decoding AAC / AC3 on UWP is described in this
>     issue:
>     https://gitlab.freedesktop.org/gstreamer/cerbero/-/issues/286
>     <https://gitlab.freedesktop.org/gstreamer/cerbero/-/issues/286>
>
>     Basically, the FFmpeg recipe doesn't use the Meson port yet
>     because it's a lot of work to test it on all platforms supported
>     by gstreamer. Need to ensure that the same code is built on all
>     platforms with basically the same flags (and the correct
>     optimizations). There wasn't enough time to get that done for the
>     1.18 release.
>
>     Cheers,
>     Nirbheek
>
>     On Mon, Oct 26, 2020 at 5:30 AM Andy Devar <andy.devar at gmail.com
>     <mailto:andy.devar at gmail.com>> wrote:
>
>
>
>         ---------- Forwarded message ---------
>         Von: *Andy Devar* <andy.devar at gmail.com
>         <mailto:andy.devar at gmail.com>>
>         Date: So., 25. Okt. 2020 um 23:46 Uhr
>         Subject: UWP: Play AAC/AC3 audio
>         To: <gstreamer-commits at lists.freedesktop.org
>         <mailto:gstreamer-commits at lists.freedesktop.org>>
>
>
>         Hi,
>
>         while I managed to play MP4 and TS video with a modified UWP
>         sample app, I haven't managed to play the audio contained in
>         these video files.
>
>         It seems that the required decoders are missing from the
>         GStreamer UWP release 1.18.0 release (e.g. avdec_aac and
>         avdec_ac3). Are there any alternatives in the UWP release?
>
>         Thanks,
>
>         Andy
>
>
>         _______________________________________________
>         gstreamer-devel mailing list
>         gstreamer-devel at lists.freedesktop.org
>         <mailto:gstreamer-devel at lists.freedesktop.org>
>         https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>         <https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel>
>
>     _______________________________________________
>     gstreamer-devel mailing list
>     gstreamer-devel at lists.freedesktop.org
>     <mailto:gstreamer-devel at lists.freedesktop.org>
>     https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>     <https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel>
>
>
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/gstreamer-devel/attachments/20201029/66fd2e6f/attachment-0001.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature
Type: application/pgp-signature
Size: 495 bytes
Desc: OpenPGP digital signature
URL: <https://lists.freedesktop.org/archives/gstreamer-devel/attachments/20201029/66fd2e6f/attachment-0001.sig>