[Bug 94372] New: sized-stream glitches when moving the stream

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94372

            Bug ID: 94372
           Summary: sized-stream glitches when moving the stream
           Product: Spice
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: server
          Assignee: spice-bugs at lists.freedesktop.org
          Reporter: bugzilla at victortoso.com

* Using stream-video=filter in qemu command line
* spice-server, spice-gtk and remote-viewer: upstream
* qemu on f23: 2.4.1-7

When spice-server detects a sized-stream due some application playing video, it
might ignore if the stream moves in the Guest, generating an area that is not
updated of the stream

How to reproduce:

1-) Connect remote-viewer to a windows guest (did not try with linux guest)
2-) Keep the remote-viewer windowed (not full screen)
3-) Start the stream in the guest
4-) Increase remote-viewer window width & height
5-) Wait guest' display resolution adjust
6-) Move the player in the Guest, it should be noticeable already.
7-) Maximize remote-viewer
8-) Wait guest' display resolution adjust again
9-) Move the player in the Guest.

Video:
https://people.freedesktop.org/~victortoso/videos/spice/20160302-sized_stream_filter_w7_moving_player.webm

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