Orc segfaults in audio_orc_unpack_f32

[Andre McCurdy]

Hi Tim,

On Wed, Feb 3, 2016 at 2:36 AM, Tim Müller <tim at centricular.com> wrote:
> On Tue, 2016-02-02 at 20:27 -0800, Andre McCurdy wrote:
>
> Hi,
>
>> After updating to GStreamer 1.7.1, I'm seeing crashes in when playing
>> youtube videos with an embedded browser based on qtwebkit 5.4.1.
>>
>> The crashes seem to happen in "audio_orc_unpack_f32" when Orc is
>> enabled.
>>
>> I'm building GStreamer from source using open-embedded and running on
>> 32bit x86 (VirtualBox).
>>
>> Logs showing the crashes with ORC_CODE=debug and ORC_CODE=emulate are
>> here:
>>
>>   http://pastebin.com/HBrQuAjq
>>
>> (There are no crashes with ORC_CODE=backup).
>
> This sounds like it could be related to
> https://bugzilla.gnome.org/show_bug.cgi?id=760938
>
> Could you check with that patch and/or git master and file a bug in
> bugzilla if that doesn't fix it? Thanks!

The patch mentioned in the bug report doesn't apply cleanly to 1.7.1
but updating gst-plugins-base to today's git master version does fix
the issue. Thanks!

I assume there's no issue in this particular case with patching the
gst-plugins-base configure script to set "GST_REQ=1.7.1" and allow
gst-plugins-base git to build with 1.7.1 release of gstreamer?

> Cheers
>  -Tim
>
> --
> Tim Müller, Centricular Ltd - http://www.centricular.com
>
>
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