[Bug 779524] buffer with video meta information do not support memory split buffers

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=779524

Nicolas Dufresne (stormer) <nicolas at ndufresne.ca> changed:

           What    |Removed                     |Added
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                 CC|                            |nicolas at ndufresne.ca

--- Comment #12 from Nicolas Dufresne (stormer) <nicolas at ndufresne.ca> ---
As it is now, sending "chunks" or plane in multiple allocation is simply not
supported by GStreamer. As it is now, this is a bug from the element producing
this data.

Now, that being said, is there an actual use case in which we should consider
adding support for that ? If so, we'll have to copy the data and replace it
when map is being called. This also requires calculating the required size of a
plane. This is a lot of work, which only make sense if there is a real use
case. Meanwhile, we can help developer avoid this trap, a) with documentation,
which I believe is a good idea and b) with run-time checks.

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