Bug#831909: gstreamer coredumps when playing wavs since the libavcodec upgrade

[Sebastian Dröge]

On Fri, 22 Jul 2016 13:27:09 +0300 Faidon Liambotis <paravoid at debian.org> wrote:

> I still don't exactly understand how H.264/VA-API are related when playing
> just a .wav file, though...

They are not, it's just that the initialization of this GStreamer
plugin (the ffmpeg/libav one) is going through all the codecs that are
provided and remembers what is available.

> #0  0x00007ffff6fc01c8 in __GI_raise (sig=sig at entry=6)
>     at ../sysdeps/unix/sysv/linux/raise.c:54
> #1  0x00007ffff6fc164a in __GI_abort () at abort.c:89
> #2  0x00007fffeda6260b in init_context_defaults (s=s at entry=0x7ffff0095720, codec=codec at entry=0x7fffee3a8900 <ff_h264_vaapi_encoder>)
>     at src/libavcodec/options.c:142

All the hardware based ffmpeg codecs should be disabled in gst-libav
though. It of course still shouldn't crash like this, which seems like
a problem in ffmpeg, but I'll fix gst-libav to ignore them all now.
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