[gstreamer-bugs] [Bug 577963] [v4l2src] broken image if rowstrides are not as expected by GStreamer

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-plugins-good | Ver: 0.10.22

Tim-Philipp Müller changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |t.i.m at zen.co.uk
            Summary|v4l2src doesn't work with   |[v4l2src] broken image if
                   |yuv420 and a 356x292        |rowstrides are not as
                   |resolution                  |expected by GStreamer




------- Comment #2 from Tim-Philipp Müller  2009-05-03 17:18 UTC -------
The strides and plane offsets for the various formats are implicit and are as
expected by X.

GStreamer currently doesn't support any other strides than the implied ones, so
v4l*src would need to memcpy the data into a buffer with the expected strides
if the driver delivers other strides than the ones we expect.

You can query the strides and offsets programmatically using
http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstvideo.html#gst-video-format-get-row-stride
etc.


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