From 148954faca586c42e5a4b06bc3ac67bd44e7fd83 Mon Sep 17 00:00:00 2001 From: Corentin Chary Date: Fri, 4 Feb 2011 09:06:01 +0100 Subject: 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 Signed-off-by: Anthony Liguori --- ui/vnc-enc-zrle.h | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 ui/vnc-enc-zrle.h (limited to 'ui/vnc-enc-zrle.h') diff --git a/ui/vnc-enc-zrle.h b/ui/vnc-enc-zrle.h new file mode 100644 index 0000000000..6b182132a6 --- /dev/null +++ b/ui/vnc-enc-zrle.h @@ -0,0 +1,40 @@ +/* + * QEMU VNC display driver: Zlib Run-length Encoding (ZRLE) + * + * From libvncserver/libvncserver/zrle.c + * Copyright (C) 2002 RealVNC Ltd. All Rights Reserved. + * Copyright (C) 2003 Sun Microsystems, Inc. + * + * Copyright (C) 2010 Corentin Chary + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef VNC_ENCODING_ZRLE_H +#define VNC_ENCODING_ZRLE_H + +/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + * ZRLE - encoding combining Zlib compression, tiling, palettisation and + * run-length encoding. + */ + +#define VNC_ZRLE_TILE_WIDTH 64 +#define VNC_ZRLE_TILE_HEIGHT 64 + +#endif -- cgit v1.2.1