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| author | Michael Niedermayer <michaelni@gmx.at> | 2008-09-09 23:30:06 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2008-09-09 23:30:06 +0000 |
| commit | dfb09bd1d4220d0ad8325747a7b34f25bcdc4b0c (patch) | |
| tree | c46dae54eeaa8ecb922b0fce4db5c9bea042f15a /libswscale/swscale.c | |
| parent | 955bcc2102c2f210e23fa1754a1a74995c739626 (diff) | |
| download | ffmpeg-dfb09bd1d4220d0ad8325747a7b34f25bcdc4b0c.tar.gz | |
Rewrite bgr24->yuv mmx code, the new code is cleaner, more accurate,
and does not throw half the chroma away.
Originally committed as revision 27561 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
Diffstat (limited to 'libswscale/swscale.c')
| -rw-r--r-- | libswscale/swscale.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c index 44069cd408..9dfe1f8e7c 100644 --- a/libswscale/swscale.c +++ b/libswscale/swscale.c @@ -237,6 +237,20 @@ DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00003831D0E6F6EAULL; DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset) = 0x1010101010101010ULL; DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL; DECLARE_ALIGNED(8, const uint64_t, ff_w1111) = 0x0001000100010001ULL; + +DECLARE_ALIGNED(8, const uint64_t, ff_bgr24toY1Coeff) = 0x0C88000040870C88ULL; +DECLARE_ALIGNED(8, const uint64_t, ff_bgr24toY2Coeff) = 0x20DE4087000020DEULL; +DECLARE_ALIGNED(8, const uint64_t, ff_rgb24toY1Coeff) = 0x20DE0000408720DEULL; +DECLARE_ALIGNED(8, const uint64_t, ff_rgb24toY2Coeff) = 0x0C88408700000C88ULL; +DECLARE_ALIGNED(8, const uint64_t, ff_bgr24toYOffset) = 0x0008400000084000ULL; + +DECLARE_ALIGNED(8, const uint64_t, ff_bgr24toUV[2][4]) = { + {0x38380000DAC83838ULL, 0xECFFDAC80000ECFFULL, 0xF6E40000D0E3F6E4ULL, 0x3838D0E300003838ULL}, + {0xECFF0000DAC8ECFFULL, 0x3838DAC800003838ULL, 0x38380000D0E33838ULL, 0xF6E4D0E30000F6E4ULL}, +}; + +DECLARE_ALIGNED(8, const uint64_t, ff_bgr24toUVOffset)= 0x0040400000404000ULL; + #endif /* defined(ARCH_X86) */ // clipping helper table for C implementations: @@ -2201,7 +2215,8 @@ SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, int dstW, int dstH if ((isBGR(srcFormat) || isRGB(srcFormat)) && !(flags&SWS_FULL_CHR_H_INP) && srcFormat!=PIX_FMT_RGB8 && srcFormat!=PIX_FMT_BGR8 && srcFormat!=PIX_FMT_RGB4 && srcFormat!=PIX_FMT_BGR4 - && srcFormat!=PIX_FMT_RGB4_BYTE && srcFormat!=PIX_FMT_BGR4_BYTE) + && srcFormat!=PIX_FMT_RGB4_BYTE && srcFormat!=PIX_FMT_BGR4_BYTE + && srcFormat!=PIX_FMT_BGR24 && srcFormat!=PIX_FMT_RGB24) c->chrSrcHSubSample=1; if (param){ |