Bug#879673: ffmpeg 3.4 API compat layer not 100% backwards compatible

Sebastian Dröge slomo at debian.org
Tue Oct 24 08:52:32 UTC 2017


Package: ffmpeg
Version: 7:3.4-1
Severity: serious

Hi,

ffmpeg 3.4 comes with a new decoding API (among other things), and
provides a compatibility layer around that for the old API.
Unfortunately this compatibility layer is apparently not 100% backwards
compatible or buggy. It breaks at least h264 decoding with gst-
libav1.0, but then probably also breaks other packages.

gst-libav upstream bug can be found here:
https://bugzilla.gnome.org/show_bug.cgi?id=789193

We'll try to port over to the new API but it looks like some effort,
and even independent of that the compatibility layer should either be
fixed or the soname of the libraries has to be updated.


Best regards,
Sebastian
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