[Bug 659798] Segfault when you convert with audioconvert from audio file mkv to audio file avi

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=659798
  GStreamer | gst-plugins-good | git

Vincent Penquerc'h <vincent.penquerch> changed:

           What    |Removed                     |Added
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                 CC|                            |vincent.penquerch at collabora
                   |                            |.co.uk

--- Comment #3 from Vincent Penquerc'h <vincent.penquerch at collabora.co.uk> 2011-09-27 12:41:27 UTC ---
The input buffer's data is not aligned.
If I copy the input data into an aligned buffer in matroskademux, just before
sending it, it works fine.
matroskademux uses a subbuffer to point to wherever in its bytestream the
actual data starts. I guess it's fine most of the time, when data is some byte
stream, but here it is interpreted directly as 32 bit samples without decoding,
so it's not fine.
I'm not totally sure at which point it makes the most sense to ensure aligned0
buffers.
I'd say matroskademux, when it detects raw samples or raw video, but I'm not
totally certain that's best, as it'd need redoing for every other container
that might do that kind of thing.

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