[Bug 796918] implement dmabuf export on encoder input buffers

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Thu Aug 16 08:31:15 UTC 2018


https://bugzilla.gnome.org/show_bug.cgi?id=796918

Guillaume Desmottes <gdesmott at gnome.org> changed:

           What    |Removed                     |Added
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 Attachment #373280|0                           |1
        is obsolete|                            |

--- Comment #24 from Guillaume Desmottes <gdesmott at gnome.org> ---
Created attachment 373352
  --> https://bugzilla.gnome.org/attachment.cgi?id=373352&action=edit
omxvideodec: don't import OMX buffers from downstream

We already have code configuring the encoder stride and slice height
when receiving the first buffer from upstream.
We don't have an equivalent when the encoder is exporting its buffers to the
decoder.

There is no point adding it and making the code even more
complex as we wouldn't gain anything by exporting from the encoder to
the decoder. The dynamic buffer mode already ensures 0-copy between OMX
components.

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