vnc: add lossy option
The lossy option can be used to enable lossy compression
methods like gradient or jpeg. This patch disable them by
default.
Signed-off-by: Corentin Chary <[email protected]>
Signed-off-by: Anthony Liguori <[email protected]>
diff --git a/qemu-options.hx b/qemu-options.hx
index 0d7dd90..40cee70 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -835,6 +835,13 @@
use the VNC server until the ACLs have been loaded. This can be
achieved using the @code{acl} monitor command.
+@item lossy
+
+Enable lossy compression methods (gradient, JPEG, ...). If this
+option is set, VNC client may receive lossy framebuffer updates
+depending on its encoding settings. Enabling this option can save
+a lot of bandwidth at the expense of quality.
+
@end table
ETEXI
