[Bug 741420] video pools: should update size in configuration after applying alignement

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=741420
  GStreamer | gst-plugins-base | 1.4.1

Nicolas Dufresne (stormer) <nicolas.dufresne> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
            Summary|videopool: should reset     |video pools: should update
                   |buffer size to buffer pool  |size in configuration after
                   |as video alignment will     |applying alignement
                   |change buffer size          |
     Ever Confirmed|0                           |1
           Severity|normal                      |critical

--- Comment #7 from Nicolas Dufresne (stormer) <nicolas.dufresne at collabora.co.uk> 2014-12-15 03:09:45 UTC ---
Ok, this is a wider bug in fact. A well known pipeline is currently affected,
every frames get discarded and reallocated:

... ! avdec_h264 ! xvimagesink

Same goes for patched version of glbufferpool in bug #740900. V4l2Buffer is
most likely affected for OUTPUT device, for capture it bypass
default_release_buffer. The problem here is that there might be cases where we
don't know the HW alignment before we actually have a buffer allocated.

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