[Qemu-devel] [Bug 1087974] Re: [regression] vnc tight png produces garbled output

[Tim Hardeck]

* make sure that qemu is compiled with --enable-vnc-png

* git clone git://github.com/kanaka/noVNC
* edit include/rfb.js at line 50 and comment out or remove all encodings above 
"['TIGHT_PNG',        -260 ],"
* open vnc.html in Firefox or Chrome

*apply either my patch to QEMU https://lists.nongnu.org/archive/html
/qemu-devel/2012-12/msg00869.html or use Websockify
https://github.com/kanaka/websockify to get Websocket support.

* in case of my patch run QEMU with  `-vnc :0,websocket` and connect
with noVNC to port 5700.

* in case of Websockify run QEMU with `./websockify.py 5900 -- qemu-
system-x86_64 -vnc :0` and connect to port 5900

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https://bugs.launchpad.net/bugs/1087974

Title:
  [regression] vnc tight png produces garbled output

Status in QEMU:
  New

Bug description:
  VNC Tight PNG compression did work fine two or three month ago but don't 
anymore. Now when Tight PNG is used parts of the desktop are shown but they are 
scrambled together.
  I have always tested this feature against QEMU git with noVNC by only 
allowing Tight PNG compression.

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