[Bug 651439] Wrong video raw format fourcc assignment for I420

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=651439
  GStreamer | gst-openmax | unspecified

--- Comment #1 from Felipe Contreras <felipe.contreras at gmail.com> 2011-05-30 10:25:55 UTC ---
The specification mentions the following:

OMX_COLOR_FormatYUV420Planar 

YUV planar format, organized with three separate planes for each color
component, namely Y, U, and V appearing in this order. U and V pixels are
sub-sampled by a factor of two both horizontally and vertically.

OMX_COLOR_FormatYUV420PackedPlanar 

YUV planar format, organized with three separate planes for each color
component, namely Y, U, and V. U and V pixels are sub-sampled by a factor of
two both horizontally and vertically. This format differs from
OMX_COLOR_FormatYUV420Planar in that each slice of data shall contain a plane
of Y, U, and V data in this order, whereas the OMX_COLOR_FormatYUV420Planar
format transfers each plane in its entirety.

Although that is a bit confusing, I thought that the "Packed" version is closer
to what GStreamer does; disregard all slices and planes and send everything in
one big chunk. Isn't that the case?

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