| Independent JPEG Group's JPEG software release 6b |
| with x86 SIMD extension for IJG JPEG library version 1.02 |
| == INSTALL == |
| ----------------------------------------------------------- |
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| #define DCT_IFAST_SUPPORTED -> #undef DCT_IFAST_SUPPORTED |
| #define DCT_FLOAT_SUPPORTED -> #undef DCT_FLOAT_SUPPORTED |
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| ¡ûŸ³«½èÍý¤Ç cinfo.do_fancy_upsampling ¤ÎÃͤòÊѹ¹¤·¤Æ¤¤¤Ê¤¤¾ì¹ç |
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| ¤³¤ÎÊÑ¿ô¤Ï djpeg ¤Ç¤Ï -nosmooth ¥ª¥×¥·¥ç¥ó¤ËÁêÅö¤·¡¢-nosmooth ¤ò»ØÄê |
| ¤¹¤ë¤È FALSE ¤ËÀßÄꤵ¤ì¤Þ¤¹¡£¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï TRUE ¤Ç¡¢¤³¤ì¤âÆäËÍýͳ¤Î |
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| #define UPSAMPLE_MERGING_SUPPORTED -> #undef UPSAMPLE_MERGING_SUPPORTED |
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| ¡ûŸ³«½èÍý¤Ç cinfo.scale_num, cinfo.scale_denom ¤ÎÃͤòÊѹ¹¤·¤Æ¤¤¤Ê¤¤¾ì¹ç |
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| ¤³¤ì¤ÏÍפ¹¤ë¤Ë¡ÖJPEG½Ì¾®Å¸³«¡×¤Îµ¡Ç½¤Ç¡¢djpeg ¤Ç¤Ï -scale M/N ¥ª¥× |
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| #define IDCT_SCALING_SUPPORTED -> #undef IDCT_SCALING_SUPPORTED |
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| ¢£ÆÃÄê¤Î SIMD Ì¿Îá¤ò»ÈÍѤ·¤Ê¤¤¤è¤¦¤Ë¤¹¤ë¤Ë¤Ï |
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| ¤³¤ì¤Ï jconfig.h ¤ÎÃæÄø¤Ë¤¢¤ë¡¢#undef JSIMD_***_NOT_SUPPORTED ¤È¤¤¤¦ |
| ¥Þ¥¯¥í¤ò #define ¤Ë¤¹¤ë¤³¤È¤Ç¼Â¸½¤Ç¤¤Þ¤¹¡£configure ¥¹¥¯¥ê¥×¥È¤Ç |
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| DCT_FLOAT_SUPPORTED ¤ò #undef ¤Ë¤·¤¿¤À¤±¤Ç¤Þ¤È¤á¤Æ̵¸ú¤Ë¤µ¤ì¤Þ¤¹¡£ |
| MMX ¤È SSE2 ¤Ï¡¢°µ½ÌŸ³«½èÍý¤Î³Æ½ê¤ËÍøÍѤµ¤ì¤Æ¤¤¤Æ¡¢¹â®²½¤Ø¤Î¹×¸¥ÅÙ¤¬ |
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| [EOF] |
