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Changes between Version 21 and Version 22 of WindowRefresh


Ignore:
Timestamp:
06/21/13 16:15:36 (8 years ago)
Author:
Antoine Martin
Comment:

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  • WindowRefresh

    v21 v22  
    11= Window Refresh =
    22
    3 The key feature of xpra is the forwarding of individual window contents to the client. This is achieved using the X11 Composite extension, xpra is a compositing window manager that just happens to display the window contents remotely.
     3The key feature of xpra is the forwarding of individual window contents to the client. This is achieved using the [http://www.x.org/releases/X11R7.6/doc/compositeproto/compositeproto.txt X11 Composite extension] and for the windows and servers that support it with the [http://www.x.org/releases/current/doc/xextproto/shm.html MIT-SHM extension], xpra is a compositing window manager that just happens to display the window contents remotely.
    44[[BR]]
    55The speed at which the server compresses and sends screen updates to the client depends on a number of factors, the most important one is obviously the [/wiki/Encodings encoding used], but as can be seen below the [/wiki/ClientRendering client rendering] also has an influence.
    66[[BR]]
    7 There are only a few things the system can tune at runtime:
     7There are only a few things the system can tune at runtime, each is explained in more details below:
    88* the "batch delay": this is the time that the server will wait for screen updates to accumulate before grabbing the next frame
    9 * the "video quality" (for the x264 video encoder only)
    10 * the "video speed" (for the x264 video encoder only)
     9* the "video quality": mainly for the x264 video encoder, but also jpeg and webp
     10* the "video speed": mainly for the x264 video encoder, but also used for png/jpeg (at very low speed, we "optimize" the compression)
    1111
    1212[[BR]]