commit 148954faca586c42e5a4b06bc3ac67bd44e7fd83
author Corentin Chary <corentincj@iksaif.net> Fri Feb 04 09:06:01 2011 +0100
committer Anthony Liguori <aliguori@us.ibm.com> Wed Feb 23 16:28:28 2011 -0600
tree d66e1b6014f9f901f75e7b24cfa923a768fb5111
parent f8562e326bb8bf084b7519a53c6f30627b80ac1e

vnc: Add ZRLE and ZYWRLE encodings.

Add ZRLE [1] and ZYWRLE [2] encodings. The code is inspire^W stolen
from libvncserver (again), but have been rewriten to match QEMU coding
style.

[1] http://www.realvnc.com/docs/rfbproto.pdf
[2] http://micro-vnc.jp/research/remote_desktop_ng/ZYWRLE/publications/

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

ui/vnc.c

diff --git a/ui/vnc.c b/ui/vnc.c
index 697b836..9920c0e 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -696,6 +696,12 @@
         case VNC_ENCODING_TIGHT_PNG:
             n = vnc_tight_png_send_framebuffer_update(vs, x, y, w, h);
             break;
+        case VNC_ENCODING_ZRLE:
+            n = vnc_zrle_send_framebuffer_update(vs, x, y, w, h);
+            break;
+        case VNC_ENCODING_ZYWRLE:
+            n = vnc_zywrle_send_framebuffer_update(vs, x, y, w, h);
+            break;
         default:
             vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_RAW);
             n = vnc_raw_send_framebuffer_update(vs, x, y, w, h);
@@ -1028,6 +1034,7 @@
 
     vnc_zlib_clear(vs);
     vnc_tight_clear(vs);
+    vnc_zrle_clear(vs);
 
 #ifdef CONFIG_VNC_TLS
     vnc_tls_client_cleanup(vs);
@@ -1766,6 +1773,14 @@
             vs->features |= VNC_FEATURE_ZLIB_MASK;
             vs->vnc_encoding = enc;
             break;
+        case VNC_ENCODING_ZRLE:
+            vs->features |= VNC_FEATURE_ZRLE_MASK;
+            vs->vnc_encoding = enc;
+            break;
+        case VNC_ENCODING_ZYWRLE:
+            vs->features |= VNC_FEATURE_ZYWRLE_MASK;
+            vs->vnc_encoding = enc;
+            break;
         case VNC_ENCODING_DESKTOPRESIZE:
             vs->features |= VNC_FEATURE_RESIZE_MASK;
             break;