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xv: struct "EncodingInfo": add explicit align pad

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The align pad is needed so that a in list of struct "EncodingInfo",
the 32-bit fiels in subsequent "EncodingInfo" are aligned.
(the field "encoding" is a 32-bit value, and the field "rate"
contains two 32-bit values)

The xv-protocol-spec does not contain the protocol encoding.
(it specifies the protocol on a higher level)

The X-Server uses function "WriteToClient" to write the list "name"
to the connection:
http://cgit.freedesktop.org/xorg/xserver/tree/Xext/xvdisp.c?id=xorg-server-1.17.99.901#n456

Function "WriteToClient" does 4-byte alignment padding:
http://cgit.freedesktop.org/xorg/xserver/tree/os/io.c?id=xorg-server-1.17.99.901#n804

Signed-off-by: Christian Linhart <chris@demorecorder.com>
Reviewed-by: Peter Harris <pharris@opentext.com>
This commit is contained in:
Christian Linhart 2015-09-13 15:45:16 +02:00
parent f4348694c9
commit 306c0a2d96
1 changed files with 1 additions and 0 deletions
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src/xv.xml
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@ -118,6 +118,7 @@ authorization from the authors.
<list type="char" name="name">
<fieldref>name_size</fieldref>
</list>
<pad align="4" />
</struct>
<struct name="Image">