[Bug 728438] v4l2: Implement a v4l2 video encoder

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=728438
  GStreamer | gst-plugins-good | git

--- Comment #6 from Nicolas Dufresne <nicolas.dufresne at collabora.co.uk> 2014-04-28 01:51:19 UTC ---
(In reply to comment #5)
> gstv4l2videoenc.c:558:gst_v4l2_video_enc_handle_frame:<v4l2video9enc0> erro
> r: Failed to allocate required memory.
> 0:00:02.883168960   336    0xde350 WARN            v4l2videoenc
> gstv4l2videoenc.c:558:gst_v4l2_video_enc_handle_frame:<v4l2video9enc0> erro
> r: Buffer pool activation failed
> 
> about that problem, it is causing by the try to reqbuf while the count = 0,
> in s5p-mfc, the decoder will release the buffer but encoder won't.

This looks like a bug in the driver, calling reqbuf(0) should never fail
according to the v4l2 spec. This issue is most likely fixed in recent kernel, I
would suggest to search for a backport. If you'd like to share your work, for a
little more transparency, you may just post an URI to it, in a comment or
through the "Add Bug URLs" form.

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