Re: GStreamer SDK – Preview release for Android

[Andoni Morales]

2012/11/10 Mailing List SVR <lists at svrinformatica.it>:
> Il 07/11/2012 09:07, Mailing List SVR ha scritto:
>
> Hi
>
> Il 05/11/2012 13:10, Andoni Morales ha scritto:
>
> 2012/11/5 cee1 <fykcee1 at gmail.com>:
>
> Hey,
>
> We've tried the SDK under ubuntu, the target is android 4.0.3. It
> seems much better than the
> http://gstreamer.freedesktop.org/wiki/GstreamerAndroid_InstallInstructions
> way, the latter has no builtable surfaceflingersink for high version
> android.
>
> Some problems with gstreamer.mk:
> * HOST_SED is empty under non windows environment.
>
> * Failed to build when add ffmpeg to GSTREAMER_PLUGINS, the linker
> can't find symbols from libz (e.g. compress2),  we solved it by adding
> "-lz" to 'buildsharedlibrary' target -- after right parenthesis of
> "call libtool-link"
>
> * Also, enabling all codecs renders a build failure (the ndk build
> tool version is android-ndk-r8b):
> /path.../ld.gold: gst-build/gstreamer_android.o: in function
> gst_android_register_static_plugins:gstreamer_android.c(.text+0x174):
> error: undefined reference to 'gst_plugin_mpegdemux_register'
>
> /path.../ld.gold: gst-build/gstreamer_android.o: in function
> gst_android_register_static_plugins:gstreamer_android.c(.text+0x1a0):
> error: undefined reference to 'gst_plugin_rmdemux_register'
>
> /path.../ld.gold: error:
> /home/yefl/tmp/gstreamer-sdk-android-arm-debug-2012.10/lib/gstreamer-0.10/static/libgstnsf.a(libgstnsf_la-vrc7_snd.o):
> multiple definition of 'table'
>
> All these build errors have already been addressed. In case you don't
> want to wait until the final release you can rebuild the SDK yourself
> with the following steps:
>   $ git clone git://anongit.freedesktop.org/gstreamer-sdk/cerbero; cd
> cerbero
>   $ ./cerbero-uninstalled -c config/cross-android.cbc bootstrap
>   $ ./cerbero-uninstalled -c config/cross-android.cbc package gstreamer-sdk
>
>
> I tryed this but the bootstrap fails, please see attached logs,
>
>
> automake 1.12.4 depends on autoconf 2.69, ubuntu precise use 2.68 upgrading
> solve the reported compilation error,

This is now fixed upstream. The automake recipe was not depending in
autoconf, which should be built before automake.


Cheers,
Andoni
>
> Nicola
>
>
> is there a preferred linux distro to build the android sdk?
>
> thanks
> Nicola
>
>
>
> And...
> * The examples under tutorials can't be used directly? Run the binary
> compiled from .C code, prompting many elements are failed to create.
>
> * There is no gst-inspect or gst-launch shipped with the SDK. We've
> tried to port them from gstreamer source, but neither of them can find
> non-static elements.
> In development stage, it will be convenient if gst-inspect and
> gst-launch exist. Curious why the example apk can find plugins.
>
> For this first preview release we only provided the static libraries
> that are used for the ndk-build integration, as it's the only thing
> you really need in the applications' development. But for testing
> purpose, we will also provide a tarball with the shared libraries and
> GStreamer tools that you could use to test pipelines in the device. If
> you try to compile the SDK yourself, you will see that 2 tarballs are
> created, the last one with the "-runtime" suffix contains what you are
> looking for.
>
> Andoni
>
>
> --
> Regards,
>
> - cee1
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>
>
>
>
>
>
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>



-- 
Andoni Morales Alastruey

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