[gstreamer-bugs] [Bug 639506] XV QueryImageAttributes parameters are not taken into account

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=639506
  GStreamer | gst-plugins-base | 0.10.x

--- Comment #3 from Kaz <kaz.balos+gnomebugzilla at gmail.com> 2011-01-14 12:11:04 UTC ---
When I start playing the movie with totem, totem uses the XV driver and calls
the XV QueryImageAttributes. I am developing a XV driver for linux (for
NComputing's device - it does not matter here) and I see the calls in debug log
(Xorg.XXX.log). Maybe totem does not call it directly but the effect is as I
described. 

Regarding the files they can be opened in such a way:
* open Gimp
* File - Open...
* choose mask: All files
* select file eg frame00377.raw
* choose file type: Image data Raw
* the image is displayed
* choose image type: RGB (image will be displayed as gray and trippled as Y
will be treated as RGB)
* select width 640 and height 480 (image is skewed)
* only when width is 636, image is correct what proves that the buffer is not
aligned to 640

I need to enforce the width to be multiplication of 16 (due to 420 2:2
subsampling and DCT size in JPEG what gives 2 * 8), but it looks like it is not
possible only with totem.

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