[Bug 699382] v4l2: dmabuf handling is broken

Thu May 2 02:45:45 PDT 2013

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

--- Comment #1 from Michael Olbrich <m.olbrich at pengutronix.de> 2013-05-02 09:45:38 UTC ---
I've been thinking about this. It shouldn't be too difficult to use EXPBUF and
the dmabuf allocator in the MMAP use-case, and fall back to the current mmap if
EXPBUF fails. I'd think this can be done unconditionally, or are there reasons
to make this optional?

V4L2_MEMORY_DMABUF is something else. GstV4l2BufferPool currently mixes the
gstreamer buffer pool stuff with v4l2 buffer handling. So working with buffers
from another pool is not easy to implement.

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