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https://github.com/mpv-player/mpv
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simplify the init
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@12838 b3059339-0415-0410-9bf9-f77b7e298cf2
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@ -564,58 +564,28 @@ SwsFunc yuv2rgb_init_altivec (SwsContext *c)
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return NULL;
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}
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void yuv2rgb_altivec_init_tables (SwsContext *c, const int inv_table[4])
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{
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vector signed short
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CY = (vector signed short)(0x7fff),
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CRV = (vector signed short)(22972),
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CBU = (vector signed short)(29029),
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CGU = (vector signed short)(-11276),
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CGV = (vector signed short)(-23400),
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OY;
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vector signed short Y0;
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int brightness = c->brightness, contrast = c->contrast, saturation = c->saturation;
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int64_t crv __attribute__ ((aligned(16)));
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int64_t cbu __attribute__ ((aligned(16)));
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int64_t cgu __attribute__ ((aligned(16)));
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int64_t cgv __attribute__ ((aligned(16)));
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vector signed short CY, CRV, CBU, CGU, CGV, OY, Y0;
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int64_t crv __attribute__ ((aligned(16))) = inv_table[0];
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int64_t cbu __attribute__ ((aligned(16))) = inv_table[1];
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int64_t cgu __attribute__ ((aligned(16))) = inv_table[2];
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int64_t cgv __attribute__ ((aligned(16))) = inv_table[3];
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int64_t cy = (1<<16)-1;
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int64_t oy = 0;
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short tmp __attribute__ ((aligned(16)));
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int64_t cy = (1<<16)-1;
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int64_t oy = 0;
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if ((c->flags & SWS_CPU_CAPS_ALTIVEC) == 0)
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return;
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crv = inv_table[0];
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cbu = inv_table[1];
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cgu = inv_table[2];
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cgv = inv_table[3];
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cy = (cy *c->contrast )>>17;
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crv= (crv*c->contrast * c->saturation)>>32;
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cbu= (cbu*c->contrast * c->saturation)>>32;
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cgu= (cgu*c->contrast * c->saturation)>>32;
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cgv= (cgv*c->contrast * c->saturation)>>32;
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#if 0
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printf ("crv: %hvx\n", CRV);
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printf ("cbu: %hvx\n", CBU);
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printf ("cgv: %hvx\n", CGV);
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printf ("cgu: %hvx\n", CGU);
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oy -= 256*c->brightness;
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printf ("contrast: %d, brightness: %d, saturation: %d\n", contrast, brightness, saturation);
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printf("%lld %lld %lld %lld %lld\n", cy, crv, cbu, cgu, cgv);
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#endif
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cy = (cy *contrast )>>17;
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crv= (crv*contrast * saturation)>>32;
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cbu= (cbu*contrast * saturation)>>32;
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cgu= (cgu*contrast * saturation)>>32;
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cgv= (cgv*contrast * saturation)>>32;
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oy -= 256*brightness;
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//printf("%llx %llx %llx %llx %llx\n", cy, crv, cbu, cgu, cgv);
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// vector signed short CBU,CRV,CGU,CGY,CY;
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tmp = cy;
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CY = vec_lde (0, &tmp);
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CY = vec_splat (CY, 0);
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@ -827,5 +797,3 @@ altivec_yuv2packedX (SwsContext *c,
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if (vCCoeffsBank) free (vCCoeffsBank);
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}
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