v4l2 device wrongly captured
Stefan Kost
ensonic at hora-obscura.de
Thu Feb 17 02:00:37 PST 2011
On 17.02.2011 02:01, Guido Valenzano wrote:
>
> a few days ago the commit below went in - I wonder it it fixes your
> issue? Can you try building gst-plugins-good and just install the v4l2
> plugin?
>
> Stefan
>
> git show 6b86b56abd8a28b9e94cee679e3d86367a9a0ab3
> commit 6b86b56abd8a28b9e94cee679e3d86367a9a0ab3
> Author: Mark Nauwelaerts <mark.nauwelaerts at collabora.co.uk
> <mailto:mark.nauwelaerts at collabora.co.uk>>
> Date: Thu Feb 3 23:42:59 2011 +0100
>
> v4l2: fix interlaced set_format configuration
>
> Commit 6c8268dbfd5c88fac28c882ef2e4598a6522e2d6 broke recording
> from interlaced v4l2 source (e.g. typical tv capture card) since
> V4L2_FIELD_SEQ_TB (with fields stored separately) does not map
> to currently defined interlaced format (fields stored interleaved).
>
> Besides this mismatch, hardware might quite likely not support or
> appreciate this field value, since querying supported formats
> mapped
> _INTERLACED field formats to interlaced=true caps (so the
> latter should
> not be mapped to field value that is not known to be supported).
>
>
> After several attempts to build from git, from:
> http://wiki.pitivi.org/wiki/GStreamer_using_jhbuild
> http://wiki.pitivi.org/wiki/GStreamer_from_Git
> I managed to have a working up-to-date GStreamer installation.
>
> And yes, Mark's commit solved the issue.
>
> Thanks Stefan
>
thanks for letting us know.
Stefan
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