[Bug 699382] v4l2: dmabuf handling is broken

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=699382
  GStreamer | gst-plugins-good | git

--- Comment #10 from Michael Olbrich <m.olbrich at pengutronix.de> 2014-03-31 13:51:57 UTC ---
"delayed allocation" does not really help with gstreamer and v4l2. By the time
the sink can call dma_buf_attach the buffer was already written if the source
provides the buffer. To handle this, it must also be possible to migrate the
buffer when attaching with incompatible memory constraints.

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