diff options
Diffstat (limited to 'libvncserver')
-rw-r--r-- | libvncserver/rfbserver.c | 3 | ||||
-rw-r--r-- | libvncserver/scale.c | 8 | ||||
-rw-r--r-- | libvncserver/zrle.c | 86 | ||||
-rw-r--r-- | libvncserver/zrleencodetemplate.c | 64 | ||||
-rw-r--r-- | libvncserver/zywrletemplate.c | 815 |
5 files changed, 952 insertions, 24 deletions
diff --git a/libvncserver/rfbserver.c b/libvncserver/rfbserver.c index b7507bd..66eac19 100644 --- a/libvncserver/rfbserver.c +++ b/libvncserver/rfbserver.c @@ -962,6 +962,7 @@ rfbSendSupportedEncodings(rfbClientPtr cl) #endif #ifdef LIBVNCSERVER_HAVE_LIBZ rfbSendSupporteddEncodings_SendEncoding(cl, rfbEncodingZRLE); + rfbSendSupporteddEncodings_SendEncoding(cl, rfbEncodingZYWRLE); #endif rfbSendSupporteddEncodings_SendEncoding(cl, rfbEncodingUltra); rfbSendSupporteddEncodings_SendEncoding(cl, rfbEncodingUltraZip); @@ -1908,6 +1909,7 @@ rfbProcessClientNormalMessage(rfbClientPtr cl) #ifdef LIBVNCSERVER_HAVE_LIBZ case rfbEncodingZlib: case rfbEncodingZRLE: + case rfbEncodingZYWRLE: #ifdef LIBVNCSERVER_HAVE_LIBJPEG case rfbEncodingTight: #endif @@ -2806,6 +2808,7 @@ rfbSendFramebufferUpdate(rfbClientPtr cl, #endif #ifdef LIBVNCSERVER_HAVE_LIBZ case rfbEncodingZRLE: + case rfbEncodingZYWRLE: if (!rfbSendRectEncodingZRLE(cl, x, y, w, h)) goto updateFailed; break; diff --git a/libvncserver/scale.c b/libvncserver/scale.c index 67de35f..55598fa 100644 --- a/libvncserver/scale.c +++ b/libvncserver/scale.c @@ -151,6 +151,10 @@ void rfbScaledScreenUpdateRect(rfbScreenInfoPtr screen, rfbScreenInfoPtr ptr, in h1 = h0; rfbScaledCorrection(screen, ptr, &x1, &y1, &w1, &h1, "rfbScaledScreenUpdateRect"); + x0 = ScaleX(ptr, screen, x1); + y0 = ScaleY(ptr, screen, y1); + w0 = ScaleX(ptr, screen, w1); + h0 = ScaleY(ptr, screen, h1); bitsPerPixel = screen->bitsPerPixel; bytesPerPixel = bitsPerPixel / 8; @@ -197,8 +201,8 @@ void rfbScaledScreenUpdateRect(rfbScreenInfoPtr screen, rfbScreenInfoPtr ptr, in /* Get the totals for rgb from the source grid... */ for (w = 0; w < areaX; w++) { for (v = 0; v < areaY; v++) { - srcptr2 = &srcptr[(((x * areaX) + v) * bytesPerPixel) + - (w * screen->paddedWidthInBytes)]; + srcptr2 = &srcptr[(((x * areaX) + w) * bytesPerPixel) + + (v * screen->paddedWidthInBytes)]; pixel_value = 0; diff --git a/libvncserver/zrle.c b/libvncserver/zrle.c index d72993e..5481893 100644 --- a/libvncserver/zrle.c +++ b/libvncserver/zrle.c @@ -40,18 +40,50 @@ #define EXTRA_ARGS , rfbClientPtr cl +#define ENDIAN_LITTLE 0 +#define ENDIAN_BIG 1 +#define ENDIAN_NO 2 #define BPP 8 +#define ZYWRLE_ENDIAN ENDIAN_NO +#include <zrleencodetemplate.c> +#undef BPP +#define BPP 15 +#undef ZYWRLE_ENDIAN +#define ZYWRLE_ENDIAN ENDIAN_LITTLE +#include <zrleencodetemplate.c> +#undef ZYWRLE_ENDIAN +#define ZYWRLE_ENDIAN ENDIAN_BIG #include <zrleencodetemplate.c> #undef BPP #define BPP 16 +#undef ZYWRLE_ENDIAN +#define ZYWRLE_ENDIAN ENDIAN_LITTLE +#include <zrleencodetemplate.c> +#undef ZYWRLE_ENDIAN +#define ZYWRLE_ENDIAN ENDIAN_BIG #include <zrleencodetemplate.c> #undef BPP #define BPP 32 +#undef ZYWRLE_ENDIAN +#define ZYWRLE_ENDIAN ENDIAN_LITTLE +#include <zrleencodetemplate.c> +#undef ZYWRLE_ENDIAN +#define ZYWRLE_ENDIAN ENDIAN_BIG #include <zrleencodetemplate.c> #define CPIXEL 24A +#undef ZYWRLE_ENDIAN +#define ZYWRLE_ENDIAN ENDIAN_LITTLE +#include <zrleencodetemplate.c> +#undef ZYWRLE_ENDIAN +#define ZYWRLE_ENDIAN ENDIAN_BIG #include <zrleencodetemplate.c> #undef CPIXEL #define CPIXEL 24B +#undef ZYWRLE_ENDIAN +#define ZYWRLE_ENDIAN ENDIAN_LITTLE +#include <zrleencodetemplate.c> +#undef ZYWRLE_ENDIAN +#define ZYWRLE_ENDIAN ENDIAN_BIG #include <zrleencodetemplate.c> #undef CPIXEL #undef BPP @@ -80,6 +112,20 @@ rfbBool rfbSendRectEncodingZRLE(rfbClientPtr cl, int x, int y, int w, int h) rfbZRLEHeader hdr; int i; + if (cl->preferredEncoding == rfbEncodingZYWRLE) { + if (cl->tightQualityLevel < 0) { + zywrle_level = 1; + } else if (cl->tightQualityLevel < 3) { + zywrle_level = 2; + } else if (cl->tightQualityLevel < 6) { + zywrle_level = 3; + } else { + zywrle_level = 1; + } + } else { + zywrle_level = 0; + } + if (!cl->zrleData) cl->zrleData = zrleOutStreamNew(); zos = cl->zrleData; @@ -89,11 +135,21 @@ rfbBool rfbSendRectEncodingZRLE(rfbClientPtr cl, int x, int y, int w, int h) switch (cl->format.bitsPerPixel) { case 8: - zrleEncode8( x, y, w, h, zos, zrleBeforeBuf, cl); + zrleEncode8NE(x, y, w, h, zos, zrleBeforeBuf, cl); break; case 16: - zrleEncode16(x, y, w, h, zos, zrleBeforeBuf, cl); + if (cl->format.greenMax > 0x1F) { + if (cl->format.bigEndian) + zrleEncode16BE(x, y, w, h, zos, zrleBeforeBuf, cl); + else + zrleEncode16LE(x, y, w, h, zos, zrleBeforeBuf, cl); + } else { + if (cl->format.bigEndian) + zrleEncode15BE(x, y, w, h, zos, zrleBeforeBuf, cl); + else + zrleEncode15LE(x, y, w, h, zos, zrleBeforeBuf, cl); + } break; case 32: { @@ -107,18 +163,24 @@ rfbBool rfbSendRectEncodingZRLE(rfbClientPtr cl, int x, int y, int w, int h) cl->format.blueShift > 7); if ((fitsInLS3Bytes && !cl->format.bigEndian) || - (fitsInMS3Bytes && cl->format.bigEndian)) - { - zrleEncode24A(x, y, w, h, zos, zrleBeforeBuf, cl); + (fitsInMS3Bytes && cl->format.bigEndian)) { + if (cl->format.bigEndian) + zrleEncode24ABE(x, y, w, h, zos, zrleBeforeBuf, cl); + else + zrleEncode24ALE(x, y, w, h, zos, zrleBeforeBuf, cl); } else if ((fitsInLS3Bytes && cl->format.bigEndian) || - (fitsInMS3Bytes && !cl->format.bigEndian)) - { - zrleEncode24B(x, y, w, h, zos, zrleBeforeBuf, cl); + (fitsInMS3Bytes && !cl->format.bigEndian)) { + if (cl->format.bigEndian) + zrleEncode24BBE(x, y, w, h, zos, zrleBeforeBuf, cl); + else + zrleEncode24BLE(x, y, w, h, zos, zrleBeforeBuf, cl); } - else - { - zrleEncode32(x, y, w, h, zos, zrleBeforeBuf, cl); + else { + if (cl->format.bigEndian) + zrleEncode32BE(x, y, w, h, zos, zrleBeforeBuf, cl); + else + zrleEncode32LE(x, y, w, h, zos, zrleBeforeBuf, cl); } } break; @@ -138,7 +200,7 @@ rfbBool rfbSendRectEncodingZRLE(rfbClientPtr cl, int x, int y, int w, int h) rect.r.y = Swap16IfLE(y); rect.r.w = Swap16IfLE(w); rect.r.h = Swap16IfLE(h); - rect.encoding = Swap32IfLE(rfbEncodingZRLE); + rect.encoding = Swap32IfLE(cl->preferredEncoding); memcpy(cl->updateBuf+cl->ublen, (char *)&rect, sz_rfbFramebufferUpdateRectHeader); diff --git a/libvncserver/zrleencodetemplate.c b/libvncserver/zrleencodetemplate.c index 7c89c40..7d19766 100644 --- a/libvncserver/zrleencodetemplate.c +++ b/libvncserver/zrleencodetemplate.c @@ -43,17 +43,37 @@ #define __RFB_CONCAT2E(a,b) __RFB_CONCAT2(a,b) #endif +#ifndef __RFB_CONCAT3E +#define __RFB_CONCAT3(a,b,c) a##b##c +#define __RFB_CONCAT3E(a,b,c) __RFB_CONCAT3(a,b,c) +#endif + +#undef END_FIX +#if ZYWRLE_ENDIAN == ENDIAN_LITTLE +# define END_FIX LE +#elif ZYWRLE_ENDIAN == ENDIAN_BIG +# define END_FIX BE +#else +# define END_FIX NE +#endif + #ifdef CPIXEL #define PIXEL_T __RFB_CONCAT2E(zrle_U,BPP) #define zrleOutStreamWRITE_PIXEL __RFB_CONCAT2E(zrleOutStreamWriteOpaque,CPIXEL) -#define ZRLE_ENCODE __RFB_CONCAT2E(zrleEncode,CPIXEL) -#define ZRLE_ENCODE_TILE __RFB_CONCAT2E(zrleEncodeTile,CPIXEL) +#define ZRLE_ENCODE __RFB_CONCAT3E(zrleEncode,CPIXEL,END_FIX) +#define ZRLE_ENCODE_TILE __RFB_CONCAT3E(zrleEncodeTile,CPIXEL,END_FIX) #define BPPOUT 24 +#elif BPP==15 +#define PIXEL_T __RFB_CONCAT2E(zrle_U,16) +#define zrleOutStreamWRITE_PIXEL __RFB_CONCAT2E(zrleOutStreamWriteOpaque,16) +#define ZRLE_ENCODE __RFB_CONCAT3E(zrleEncode,BPP,END_FIX) +#define ZRLE_ENCODE_TILE __RFB_CONCAT3E(zrleEncodeTile,BPP,END_FIX) +#define BPPOUT 16 #else #define PIXEL_T __RFB_CONCAT2E(zrle_U,BPP) #define zrleOutStreamWRITE_PIXEL __RFB_CONCAT2E(zrleOutStreamWriteOpaque,BPP) -#define ZRLE_ENCODE __RFB_CONCAT2E(zrleEncode,BPP) -#define ZRLE_ENCODE_TILE __RFB_CONCAT2E(zrleEncodeTile,BPP) +#define ZRLE_ENCODE __RFB_CONCAT3E(zrleEncode,BPP,END_FIX) +#define ZRLE_ENCODE_TILE __RFB_CONCAT3E(zrleEncodeTile,BPP,END_FIX) #define BPPOUT BPP #endif @@ -64,12 +84,20 @@ static const int bitsPerPackedPixel[] = { 0, 1, 2, 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 }; +int zywrle_level; +int zywrleBuf[rfbZRLETileWidth*rfbZRLETileHeight]; + static zrlePaletteHelper paletteHelper; #endif /* ZRLE_ONCE */ void ZRLE_ENCODE_TILE (PIXEL_T* data, int w, int h, zrleOutStream* os); +#if BPP!=8 +#define ZYWRLE_ENCODE +#include "zywrletemplate.c" +#endif + static void ZRLE_ENCODE (int x, int y, int w, int h, zrleOutStream* os, void* buf EXTRA_ARGS @@ -92,7 +120,7 @@ static void ZRLE_ENCODE (int x, int y, int w, int h, } -void ZRLE_ENCODE_TILE (PIXEL_T* data, int w, int h, zrleOutStream* os) +void ZRLE_ENCODE_TILE(PIXEL_T* data, int w, int h, zrleOutStream* os) { /* First find the palette and the number of runs */ @@ -144,6 +172,11 @@ void ZRLE_ENCODE_TILE (PIXEL_T* data, int w, int h, zrleOutStream* os) estimatedBytes = w * h * (BPPOUT/8); /* start assuming raw */ +#if BPP!=8 + if (zywrle_level > 0 && !(zywrle_level & 0x80)) + estimatedBytes >>= zywrle_level; +#endif + plainRleBytes = ((BPPOUT/8)+1) * (runs + singlePixels); if (plainRleBytes < estimatedBytes) { @@ -253,14 +286,24 @@ void ZRLE_ENCODE_TILE (PIXEL_T* data, int w, int h, zrleOutStream* os) /* raw */ -#ifdef CPIXEL - PIXEL_T *ptr; - for (ptr = data; ptr < data+w*h; ptr++) { - zrleOutStreamWRITE_PIXEL(os, *ptr); +#if BPP!=8 + if (zywrle_level > 0 && !(zywrle_level & 0x80)) { + ZYWRLE_ANALYZE( data, data, w, h, w, zywrle_level, zywrleBuf ); + zywrle_level |= 0x80; + ZRLE_ENCODE_TILE( data, w, h, os ); + zywrle_level &= 0x7F; } + else +#endif + { +#ifdef CPIXEL + PIXEL_T *ptr; + for (ptr = data; ptr < data+w*h; ptr++) + zrleOutStreamWRITE_PIXEL(os, *ptr); #else - zrleOutStreamWriteBytes(os, (zrle_U8 *)data, w*h*(BPP/8)); + zrleOutStreamWriteBytes(os, (zrle_U8 *)data, w*h*(BPP/8)); #endif + } } } } @@ -269,4 +312,5 @@ void ZRLE_ENCODE_TILE (PIXEL_T* data, int w, int h, zrleOutStream* os) #undef zrleOutStreamWRITE_PIXEL #undef ZRLE_ENCODE #undef ZRLE_ENCODE_TILE +#undef ZYWRLE_ENCODE_TILE #undef BPPOUT diff --git a/libvncserver/zywrletemplate.c b/libvncserver/zywrletemplate.c new file mode 100644 index 0000000..2a096da --- /dev/null +++ b/libvncserver/zywrletemplate.c @@ -0,0 +1,815 @@ + +/******************************************************************** + * * + * THIS FILE IS PART OF THE 'ZYWRLE' VNC CODEC SOURCE CODE. * + * * + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * + * GOVERNED BY A FOLLOWING BSD-STYLE SOURCE LICENSE. * + * PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * + * * + * THE 'ZYWRLE' VNC CODEC SOURCE CODE IS (C) COPYRIGHT 2006 * + * BY Hitachi Systems & Services, Ltd. * + * (Noriaki Yamazaki, Research & Developement Center) * * + * * + ******************************************************************** +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + +- Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + +- Redistributions in binary form must reproduce the above copyright +notice, this list of conditions and the following disclaimer in the +documentation and/or other materials provided with the distribution. + +- Neither the name of the Hitachi Systems & Services, Ltd. nor +the names of its contributors may be used to endorse or promote +products derived from this software without specific prior written +permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION +OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ********************************************************************/ + +/* #define ZYWRLE_ENCODE */ +/* #define ZYWRLE_DECODE */ +#define ZYWRLE_QUANTIZE + +/* + [References] + PLHarr: + Senecal, J. G., P. Lindstrom, M. A. Duchaineau, and K. I. Joy, "An Improved N-Bit to N-Bit Reversible Haar-Like Transform," Pacific Graphics 2004, October 2004, pp. 371-380. + EZW: + Shapiro, JM: Embedded Image Coding Using Zerotrees of Wavelet Coefficients, IEEE Trans. Signal. Process., Vol.41, pp.3445-3462 (1993). +*/ + + +/* Template Macro stuffs. */ +#undef ZYWRLE_ANALYZE +#undef ZYWRLE_SYNTHESIZE +#define ZYWRLE_ANALYZE __RFB_CONCAT3E(zywrleAnalyze,BPP,END_FIX) +#define ZYWRLE_SYNTHESIZE __RFB_CONCAT3E(zywrleSynthesize,BPP,END_FIX) + +#define ZYWRLE_RGBYUV __RFB_CONCAT3E(zywrleRGBYUV,BPP,END_FIX) +#define ZYWRLE_YUVRGB __RFB_CONCAT3E(zywrleYUVRGB,BPP,END_FIX) +#define ZYWRLE_YMASK __RFB_CONCAT2E(ZYWRLE_YMASK,BPP) +#define ZYWRLE_UVMASK __RFB_CONCAT2E(ZYWRLE_UVMASK,BPP) +#define ZYWRLE_LOAD_PIXEL __RFB_CONCAT2E(ZYWRLE_LOAD_PIXEL,BPP) +#define ZYWRLE_SAVE_PIXEL __RFB_CONCAT2E(ZYWRLE_SAVE_PIXEL,BPP) + +/* Packing/Unpacking pixel stuffs. */ +/* Endian conversion stuffs. */ +#undef S_0 +#undef S_1 +#undef L_0 +#undef L_1 +#undef L_2 +#if ZYWRLE_ENDIAN == ENDIAN_BIG +# define S_0 1 +# define S_1 0 +# define L_0 3 +# define L_1 2 +# define L_2 1 +#else +# define S_0 0 +# define S_1 1 +# define L_0 0 +# define L_1 1 +# define L_2 2 +#endif + +/* Load/Save pixel stuffs. */ +#define ZYWRLE_YMASK15 0xFFFFFFF8 +#define ZYWRLE_UVMASK15 0xFFFFFFF8 +#define ZYWRLE_LOAD_PIXEL15(pSrc,R,G,B) { \ + R = (((unsigned char*)pSrc)[S_1]<< 1)& 0xF8; \ + G = ((((unsigned char*)pSrc)[S_1]<< 6)|(((unsigned char*)pSrc)[S_0]>> 2))& 0xF8; \ + B = (((unsigned char*)pSrc)[S_0]<< 3)& 0xF8; \ +} +#define ZYWRLE_SAVE_PIXEL15(pDst,R,G,B) { \ + R &= 0xF8; \ + G &= 0xF8; \ + B &= 0xF8; \ + ((unsigned char*)pDst)[S_1] = (unsigned char)( (R>>1)|(G>>6) ); \ + ((unsigned char*)pDst)[S_0] = (unsigned char)(((B>>3)|(G<<2))& 0xFF); \ +} +#define ZYWRLE_YMASK16 0xFFFFFFFC +#define ZYWRLE_UVMASK16 0xFFFFFFF8 +#define ZYWRLE_LOAD_PIXEL16(pSrc,R,G,B) { \ + R = ((unsigned char*)pSrc)[S_1] & 0xF8; \ + G = ((((unsigned char*)pSrc)[S_1]<< 5)|(((unsigned char*)pSrc)[S_0]>> 3))& 0xFC; \ + B = (((unsigned char*)pSrc)[S_0]<< 3)& 0xF8; \ +} +#define ZYWRLE_SAVE_PIXEL16(pDst,R,G,B) { \ + R &= 0xF8; \ + G &= 0xFC; \ + B &= 0xF8; \ + ((unsigned char*)pDst)[S_1] = (unsigned char)( R |(G>>5) ); \ + ((unsigned char*)pDst)[S_0] = (unsigned char)(((B>>3)|(G<<3))& 0xFF); \ +} +#define ZYWRLE_YMASK32 0xFFFFFFFF +#define ZYWRLE_UVMASK32 0xFFFFFFFF +#define ZYWRLE_LOAD_PIXEL32(pSrc,R,G,B) { \ + R = ((unsigned char*)pSrc)[L_2]; \ + G = ((unsigned char*)pSrc)[L_1]; \ + B = ((unsigned char*)pSrc)[L_0]; \ +} +#define ZYWRLE_SAVE_PIXEL32(pDst,R,G,B) { \ + ((unsigned char*)pDst)[L_2] = (unsigned char)R; \ + ((unsigned char*)pDst)[L_1] = (unsigned char)G; \ + ((unsigned char*)pDst)[L_0] = (unsigned char)B; \ +} + +#ifndef ZYWRLE_ONCE +#define ZYWRLE_ONCE + +#ifdef WIN32 +#define InlineX __inline +#else +#define InlineX inline +#endif + +#ifdef ZYWRLE_ENCODE +/* Tables for Coefficients filtering. */ +# ifndef ZYWRLE_QUANTIZE +/* Type A:lower bit omitting of EZW style. */ +const static unsigned int zywrleParam[3][3]={ + {0x0000F000,0x00000000,0x00000000}, + {0x0000C000,0x00F0F0F0,0x00000000}, + {0x0000C000,0x00C0C0C0,0x00F0F0F0}, +/* + {0x0000FF00,0x00000000,0x00000000}, + {0x0000FF00,0x00FFFFFF,0x00000000}, + {0x0000FF00,0x00FFFFFF,0x00FFFFFF}, +*/ +}; +# else +/* Type B:Non liner quantization filter. */ +static const signed char zywrleConv[4][256]={ +{ /* bi=5, bo=5 r=0.0:PSNR=24.849 */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, +}, +{ /* bi=5, bo=5 r=2.0:PSNR=74.031 */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 64, 64, 64, 64, + 64, 64, 64, 64, 72, 72, 72, 72, + 72, 72, 72, 72, 80, 80, 80, 80, + 80, 80, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 96, 96, + 96, 96, 96, 104, 104, 104, 104, 104, + 104, 104, 104, 104, 104, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 0, -120, -120, -120, -120, -120, -120, -120, + -120, -120, -120, -112, -112, -112, -112, -112, + -112, -112, -112, -112, -104, -104, -104, -104, + -104, -104, -104, -104, -104, -104, -96, -96, + -96, -96, -96, -88, -88, -88, -88, -88, + -88, -88, -88, -88, -88, -88, -88, -80, + -80, -80, -80, -80, -80, -72, -72, -72, + -72, -72, -72, -72, -72, -64, -64, -64, + -64, -64, -64, -64, -64, -56, -56, -56, + -56, -56, -56, -56, -56, -56, -48, -48, + -48, -48, -48, -48, -48, -48, -48, -48, + -48, -32, -32, -32, -32, -32, -32, -32, + -32, -32, -32, -32, -32, -32, -32, -32, + -32, -32, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, +}, +{ /* bi=5, bo=4 r=2.0:PSNR=64.441 */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, + 80, 80, 80, 80, 80, 80, 80, 80, + 80, 80, 80, 80, 80, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 104, 104, 104, 104, 104, 104, 104, 104, + 104, 104, 104, 112, 112, 112, 112, 112, + 112, 112, 112, 112, 120, 120, 120, 120, + 120, 120, 120, 120, 120, 120, 120, 120, + 0, -120, -120, -120, -120, -120, -120, -120, + -120, -120, -120, -120, -120, -112, -112, -112, + -112, -112, -112, -112, -112, -112, -104, -104, + -104, -104, -104, -104, -104, -104, -104, -104, + -104, -88, -88, -88, -88, -88, -88, -88, + -88, -88, -88, -88, -80, -80, -80, -80, + -80, -80, -80, -80, -80, -80, -80, -80, + -80, -64, -64, -64, -64, -64, -64, -64, + -64, -64, -64, -64, -64, -64, -64, -64, + -64, -48, -48, -48, -48, -48, -48, -48, + -48, -48, -48, -48, -48, -48, -48, -48, + -48, -48, -48, -48, -48, -48, -48, -48, + -48, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, +}, +{ /* bi=5, bo=2 r=2.0:PSNR=43.175 */ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 88, 88, 88, 88, 88, 88, 88, 88, + 0, -88, -88, -88, -88, -88, -88, -88, + -88, -88, -88, -88, -88, -88, -88, -88, + -88, -88, -88, -88, -88, -88, -88, -88, + -88, -88, -88, -88, -88, -88, -88, -88, + -88, -88, -88, -88, -88, -88, -88, -88, + -88, -88, -88, -88, -88, -88, -88, -88, + -88, -88, -88, -88, -88, -88, -88, -88, + -88, -88, -88, -88, -88, -88, -88, -88, + -88, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, +} +}; +const static signed char* zywrleParam[3][3][3]={ + {{zywrleConv[0],zywrleConv[2],zywrleConv[0]},{zywrleConv[0],zywrleConv[0],zywrleConv[0]},{zywrleConv[0],zywrleConv[0],zywrleConv[0]}}, + {{zywrleConv[0],zywrleConv[3],zywrleConv[0]},{zywrleConv[1],zywrleConv[1],zywrleConv[1]},{zywrleConv[0],zywrleConv[0],zywrleConv[0]}}, + {{zywrleConv[0],zywrleConv[3],zywrleConv[0]},{zywrleConv[2],zywrleConv[2],zywrleConv[2]},{zywrleConv[1],zywrleConv[1],zywrleConv[1]}}, +}; +# endif +#endif + +static InlineX void Harr(signed char* pX0, signed char* pX1) +{ + /* Piecewise-Linear Harr(PLHarr) */ + int X0 = (int)*pX0, X1 = (int)*pX1; + int orgX0=X0, orgX1=X1; + if ((X0^X1) & 0x80) { + /* differ sign */ + X1 += X0; + if (((X1^orgX1)&0x80)==0) { + /* |X1| > |X0| */ + X0 -= X1; /* H = -B */ + } + } else { + /* same sign */ + X0 -= X1; + if (((X0^orgX0) & 0x80) == 0) { + /* |X0| > |X1| */ + X1 += X0; /* L = A */ + } + } + *pX0 = (signed char)X1; + *pX1 = (signed char)X0; +} +/* + 1D-Wavelet transform. + + In coefficients array, the famous 'pyramid' decomposition is well used. + + 1D Model: + |L0L0L0L0|L0L0L0L0|H0H0H0H0|H0H0H0H0| : level 0 + |L1L1L1L1|H1H1H1H1|H0H0H0H0|H0H0H0H0| : level 1 + + But this method needs line buffer because H/L is different position from X0/X1. + So, I used 'interleave' decomposition instead of it. + + 1D Model: + |L0H0L0H0|L0H0L0H0|L0H0L0H0|L0H0L0H0| : level 0 + |L1H0H1H0|L1H0H1H0|L1H0H1H0|L1H0H1H0| : level 1 + + In this method, H/L and X0/X1 is always same position. + This lead us to more speed and less memory. + Of cause, the result of both method is quite same + because it's only difference that coefficient position. +*/ + +static InlineX void WaveletLevel(int* data, int size, int l, int SkipPixel) +{ + int s, ofs; + signed char* pX0; + signed char* end; + + pX0 = (signed char*)data; + s = (8<<l)*SkipPixel; + end = pX0+(size>>(l+1))*s; + s -= 2; + ofs = (4<<l)*SkipPixel; + while (pX0 < end) { + Harr(pX0, pX0+ofs); + pX0++; + Harr(pX0, pX0+ofs); + pX0++; + Harr(pX0, pX0+ofs); + pX0 += s; + } +} +#define InvWaveletLevel(d,s,l,pix) WaveletLevel(d,s,l,pix) + +#ifdef ZYWRLE_ENCODE +# ifndef ZYWRLE_QUANTIZE +/* Type A:lower bit omitting of EZW style. */ +static InlineX void FilterWaveletSquare(int* pBuf, int width, int height, int level, int l) +{ + int r, s; + int x, y; + int* pH; + const unsigned int* pM; + + pM = &(zywrleParam[level-1][l]); + s = 2<<l; + for (r = 1; r < 4; r++) { + pH = pBuf; + if (r & 0x01) + pH += s>>1; + if (r & 0x02) + pH += (s>>1)*width; + for (y = 0; y < height / s; y++) { + for (x = 0; x < width / s; x++) { + /* + these are same following code. + pH[x] = pH[x] / (~pM[x]+1) * (~pM[x]+1); + ( round pH[x] with pM[x] bit ) + '&' operator isn't 'round' but is 'floor'. + So, we must offset when pH[x] is negative. + */ + if (((signed char*)pH)[0] & 0x80) + ((signed char*)pH)[0] += ~((signed char*)pM)[0]; + if (((signed char*)pH)[1] & 0x80) + ((signed char*)pH)[1] += ~((signed char*)pM)[1]; + if (((signed char*)pH)[2] & 0x80) + ((signed char*)pH)[2] += ~((signed char*)pM)[2]; + *pH &= *pM; + pH += s; + } + pH += (s-1)*width; + } + } +} +# else +/* + Type B:Non liner quantization filter. + + Coefficients have Gaussian curve and smaller value which is + large part of coefficients isn't more important than larger value. + So, I use filter of Non liner quantize/dequantize table. + In general, Non liner quantize formula is explained as following. + + y=f(x) = sign(x)*round( ((abs(x)/(2^7))^ r )* 2^(bo-1) )*2^(8-bo) + x=f-1(y) = sign(y)*round( ((abs(y)/(2^7))^(1/r))* 2^(bi-1) )*2^(8-bi) + ( r:power coefficient bi:effective MSB in input bo:effective MSB in output ) + + r < 1.0 : Smaller value is more important than larger value. + r > 1.0 : Larger value is more important than smaller value. + r = 1.0 : Liner quantization which is same with EZW style. + + r = 0.75 is famous non liner quantization used in MP3 audio codec. + In contrast to audio data, larger value is important in wavelet coefficients. + So, I select r = 2.0 table( quantize is x^2, dequantize sqrt(x) ). + + As compared with EZW style liner quantization, this filter tended to be + more sharp edge and be more compression rate but be more blocking noise and be less quality. + Especially, the surface of graphic objects has distinguishable noise in middle quality mode. + + We need only quantized-dequantized(filtered) value rather than quantized value itself + because all values are packed or palette-lized in later ZRLE section. + This lead us not to need to modify client decoder when we change + the filtering procedure in future. + Client only decodes coefficients given by encoder. +*/ + +static InlineX void FilterWaveletSquare(int* pBuf, int width, int height, int level, int l) +{ + int r, s; + int x, y; + int* pH; + const signed char** pM; + + pM = zywrleParam[level-1][l]; + s = 2<<l; + for (r = 1; r < 4; r++) { + pH = pBuf; + if (r & 0x01) + pH += s>>1; + if (r & 0x02) + pH += (s>>1)*width; + for (y = 0; y < height / s; y++) { + for (x = 0; x < width / s; x++) { + ((signed char*)pH)[0] = pM[0][((unsigned char*)pH)[0]]; + ((signed char*)pH)[1] = pM[1][((unsigned char*)pH)[1]]; + ((signed char*)pH)[2] = pM[2][((unsigned char*)pH)[2]]; + pH += s; + } + pH += (s-1)*width; + } + } +} +# endif + +static InlineX void Wavelet(int* pBuf, int width, int height, int level) +{ + int l, s; + int* pTop; + int* pEnd; + + for (l = 0; l < level; l++) { + pTop = pBuf; + pEnd = pBuf+height*width; + s = width<<l; + while (pTop < pEnd) { + WaveletLevel(pTop, width, l, 1); + pTop += s; + } + pTop = pBuf; + pEnd = pBuf+width; + s = 1<<l; + while(pTop < pEnd) { + WaveletLevel(pTop, height,l, width); + pTop += s; + } + FilterWaveletSquare(pBuf, width, height, level, l); + } +} +#endif +#ifdef ZYWRLE_DECODE +static InlineX void InvWavelet(int* pBuf, int width, int height, int level) { + int l, s; + int* pTop; + int* pEnd; + + for (l = level-1; l >= 0; l--) { + pTop = pBuf; + pEnd = pBuf+width; + s = 1<<l; + while (pTop < pEnd) { + InvWaveletLevel(pTop, height,l, width); + pTop += s; + } + pTop = pBuf; + pEnd = pBuf+height*width; + s = width<<l; + while (pTop < pEnd) { + InvWaveletLevel(pTop, width, l, 1); + pTop += s; + } + } +} +#endif + +/* Load/Save coefficients stuffs. */ +/* Coefficients manages as 24 bits little-endian pixel. */ +#define ZYWRLE_LOAD_COEFF(pSrc,R,G,B) { \ + R = ((signed char*)pSrc)[2]; \ + G = ((signed char*)pSrc)[1]; \ + B = ((signed char*)pSrc)[0]; \ +} +#define ZYWRLE_SAVE_COEFF(pDst,R,G,B) { \ + ((signed char*)pDst)[2] = (signed char)R; \ + ((signed char*)pDst)[1] = (signed char)G; \ + ((signed char*)pDst)[0] = (signed char)B; \ +} + +/* + RGB <=> YUV conversion stuffs. + YUV coversion is explained as following formula in strict meaning: + Y = 0.299R + 0.587G + 0.114B ( 0<=Y<=255) + U = -0.169R - 0.331G + 0.500B (-128<=U<=127) + V = 0.500R - 0.419G - 0.081B (-128<=V<=127) + + I use simple conversion RCT(reversible color transform) which is described + in JPEG-2000 specification. + Y = (R + 2G + B)/4 ( 0<=Y<=255) + U = B-G (-256<=U<=255) + V = R-G (-256<=V<=255) +*/ + +#define ROUND(x) (((x)<0)?0:(((x)>255)?255:(x))) + /* + RCT is N-bit RGB to N-bit Y and N+1-bit UV. + For make Same N-bit, UV is lossy. + More exact PLHarr, we reduce to odd range(-127<=x<=127). + */ +#define ZYWRLE_RGBYUV1(R,G,B,Y,U,V,ymask,uvmask) { \ + Y = (R+(G<<1)+B)>>2; \ + U = B-G; \ + V = R-G; \ + Y -= 128; \ + U >>= 1; \ + V >>= 1; \ + Y &= ymask; \ + U &= uvmask; \ + V &= uvmask; \ + if (Y == -128) \ + Y += (0xFFFFFFFF-ymask+1); \ + if (U == -128) \ + U += (0xFFFFFFFF-uvmask+1); \ + if (V == -128) \ + V += (0xFFFFFFFF-uvmask+1); \ +} +#define ZYWRLE_YUVRGB1(R,G,B,Y,U,V) { \ + Y += 128; \ + U <<= 1; \ + V <<= 1; \ + G = Y-((U+V)>>2); \ + B = U+G; \ + R = V+G; \ + G = ROUND(G); \ + B = ROUND(B); \ + R = ROUND(R); \ +} + +/* + coefficient packing/unpacking stuffs. + Wavelet transform makes 4 sub coefficient image from 1 original image. + + model with pyramid decomposition: + +------+------+ + | | | + | L | Hx | + | | | + +------+------+ + | | | + | H | Hxy | + | | | + +------+------+ + + So, we must transfer each sub images individually in strict meaning. + But at least ZRLE meaning, following one decompositon image is same as + avobe individual sub image. I use this format. + (Strictly saying, transfer order is reverse(Hxy->Hy->Hx->L) + for simplified procedure for any wavelet level.) + + +------+------+ + | L | + +------+------+ + | Hx | + +------+------+ + | Hy | + +------+------+ + | Hxy | + +------+------+ +*/ + +#define ZYWRLE_TRANSFER_COEFF(pBuf,data,r,width,height,level,TRANS) \ + pH = pBuf; \ + s = 2<<level; \ + if (r & 0x01) \ + pH += s>>1; \ + if (r & 0x02) \ + pH += (s>>1)*width; \ + pEnd = pH+height*width; \ + while (pH < pEnd) { \ + pLine = pH+width; \ + while (pH < pLine) { \ + TRANS \ + data++; \ + pH += s; \ + } \ + pH += (s-1)*width; \ + } + +#define ZYWRLE_PACK_COEFF(pBuf,data,r,width,height,level) \ + ZYWRLE_TRANSFER_COEFF(pBuf,data,r,width,height,level,ZYWRLE_LOAD_COEFF(pH,R,G,B);ZYWRLE_SAVE_PIXEL(data,R,G,B);) + +#define ZYWRLE_UNPACK_COEFF(pBuf,data,r,width,height,level) \ + ZYWRLE_TRANSFER_COEFF(pBuf,data,r,width,height,level,ZYWRLE_LOAD_PIXEL(data,R,G,B);ZYWRLE_SAVE_COEFF(pH,R,G,B);) + +#define ZYWRLE_SAVE_UNALIGN(data,TRANS) \ + pTop = pBuf+w*h; \ + pEnd = pTop + (w+uw)*(h+uh)-w*h; \ + while (pTop < pEnd) { \ + TRANS \ + data++; \ + pTop++; \ + } + +#define ZYWRLE_LOAD_UNALIGN(data,pData,TRANS) \ + pTop = pBuf+w*h; \ + if (uw) { \ + pData= data + w; \ + pEnd = (int*)(pData+ h*scanline); \ + while (pData < (PIXEL_T*)pEnd) { \ + pLine = (int*)(pData + uw); \ + while (pData < (PIXEL_T*)pLine) { \ + TRANS \ + pData++; \ + pTop++; \ + } \ + pData += scanline-uw; \ + } \ + } \ + if (uh) { \ + pData= data + h*scanline; \ + pEnd = (int*)(pData+ uh*scanline); \ + while (pData < (PIXEL_T*)pEnd) { \ + pLine = (int*)(pData + w); \ + while (pData < (PIXEL_T*)pLine) { \ + TRANS \ + pData++; \ + pTop++; \ + } \ + pData += scanline-w; \ + } \ + } \ + if (uw && uh) { \ + pData= data + w+ h*scanline; \ + pEnd = (int*)(pData+ uh*scanline); \ + while (pData < (PIXEL_T*)pEnd) { \ + pLine = (int*)(pData + uw); \ + while (pData < (PIXEL_T*)pLine) { \ + TRANS \ + pData++; \ + pTop++; \ + } \ + pData += scanline-uw; \ + } \ + } + +static InlineX void zywrleCalcSize(int* pW, int* pH, int level) +{ + *pW &= ~((1<<level)-1); + *pH &= ~((1<<level)-1); +} + +#endif /* ZYWRLE_ONCE */ + +#ifndef CPIXEL +#ifdef ZYWRLE_ENCODE +static InlineX void ZYWRLE_RGBYUV(int* pBuf, PIXEL_T* data, int width, int height, int scanline) +{ + int R, G, B; + int Y, U, V; + int* pLine; + int* pEnd; + pEnd = pBuf+height*width; + while (pBuf < pEnd) { + pLine = pBuf+width; + while (pBuf < pLine) { + ZYWRLE_LOAD_PIXEL(data,R,G,B); + ZYWRLE_RGBYUV1(R,G,B,Y,U,V,ZYWRLE_YMASK,ZYWRLE_UVMASK); + ZYWRLE_SAVE_COEFF(pBuf,V,Y,U); + pBuf++; + data++; + } + data += scanline-width; + } +} +#endif +#ifdef ZYWRLE_DECODE +static InlineX void ZYWRLE_YUVRGB(int* pBuf, PIXEL_T* data, int width, int height, int scanline) +{ + int R, G, B; + int Y, U, V; + int* pLine; + int* pEnd; + pEnd = pBuf+height*width; + while (pBuf < pEnd) { + pLine = pBuf+width; + while (pBuf < pLine) { + ZYWRLE_LOAD_COEFF(pBuf,V,Y,U); + ZYWRLE_YUVRGB1(R,G,B,Y,U,V); + ZYWRLE_SAVE_PIXEL(data,R,G,B); + pBuf++; + data++; + } + data += scanline-width; + } +} +#endif + +#ifdef ZYWRLE_ENCODE +PIXEL_T* ZYWRLE_ANALYZE (PIXEL_T* dst, PIXEL_T* src, int w, int h, int scanline, int level, int* pBuf) +{ + int l; + int uw = w; + int uh = h; + int* pTop; + int* pEnd; + int* pLine; + PIXEL_T* pSrc; + int R, G, B; + int s; + int* pH; + + zywrleCalcSize(&w, &h, level); + if (w == 0 || h == 0) + return NULL; + uw -= w; + uh -= h; + + ZYWRLE_LOAD_UNALIGN(src,pSrc,*(PIXEL_T*)pTop=*pSrc;) + ZYWRLE_RGBYUV(pBuf, src, w, h, scanline); + Wavelet(pBuf, w, h, level); + for (l = 0; l < level; l++) { + ZYWRLE_PACK_COEFF(pBuf, dst, 3, w, h, l); + ZYWRLE_PACK_COEFF(pBuf, dst, 2, w, h, l); + ZYWRLE_PACK_COEFF(pBuf, dst, 1, w, h, l); + if (l == level-1) + ZYWRLE_PACK_COEFF(pBuf, dst, 0, w, h, l); + } + ZYWRLE_SAVE_UNALIGN(dst,*dst=*(PIXEL_T*)pTop;) + return dst; +} +#endif +#ifdef ZYWRLE_DECODE +PIXEL_T* ZYWRLE_SYNTHESIZE(PIXEL_T* dst, PIXEL_T* src, int w, int h, int scanline, int level, int* pBuf) +{ + int l; + int uw = w; + int uh = h; + int* pTop; + int* pEnd; + int* pLine; + PIXEL_T* pDst; + int R, G, B; + int s; + int* pH; + + zywrleCalcSize(&w, &h, level); + if (w == 0 || h == 0) + return NULL; + uw -= w; + uh -= h; + + for (l = 0; l < level; l++) { + ZYWRLE_UNPACK_COEFF(pBuf, src, 3, w, h, l); + ZYWRLE_UNPACK_COEFF(pBuf, src, 2, w, h, l); + ZYWRLE_UNPACK_COEFF(pBuf, src, 1, w, h, l); + if (l == level-1) + ZYWRLE_UNPACK_COEFF(pBuf, src, 0, w, h, l); + } + ZYWRLE_SAVE_UNALIGN(src,*(PIXEL_T*)pTop=*src;) + InvWavelet(pBuf, w, h, level); + ZYWRLE_YUVRGB(pBuf, dst, w, h, scanline); + ZYWRLE_LOAD_UNALIGN(dst,pDst,*pDst=*(PIXEL_T*)pTop;) + return src; +} +#endif +#endif /* CPIXEL */ + +#undef ZYWRLE_RGBYUV +#undef ZYWRLE_YUVRGB +#undef ZYWRLE_LOAD_PIXEL +#undef ZYWRLE_SAVE_PIXEL |