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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>
41 lines
1.6 KiB
C
41 lines
1.6 KiB
C
/*
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* QEMU VNC display driver: Zlib Run-length Encoding (ZRLE)
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*
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* From libvncserver/libvncserver/zrle.c
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* Copyright (C) 2002 RealVNC Ltd. All Rights Reserved.
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* Copyright (C) 2003 Sun Microsystems, Inc.
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*
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* Copyright (C) 2010 Corentin Chary <corentin.chary@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef VNC_ENCODING_ZRLE_H
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#define VNC_ENCODING_ZRLE_H
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/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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* ZRLE - encoding combining Zlib compression, tiling, palettisation and
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* run-length encoding.
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*/
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#define VNC_ZRLE_TILE_WIDTH 64
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#define VNC_ZRLE_TILE_HEIGHT 64
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#endif
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