[FFmpeg-cvslog] r19668 - trunk/libpostproc/postprocess_template.c
diego
subversion
Wed Aug 19 10:15:33 CEST 2009
Author: diego
Date: Wed Aug 19 10:15:32 2009
New Revision: 19668
Log:
Remove disabled code cruft.
Modified:
trunk/libpostproc/postprocess_template.c
Modified: trunk/libpostproc/postprocess_template.c
==============================================================================
--- trunk/libpostproc/postprocess_template.c Mon Aug 17 04:23:53 2009 (r19667)
+++ trunk/libpostproc/postprocess_template.c Wed Aug 19 10:15:32 2009 (r19668)
@@ -349,110 +349,6 @@ static inline void RENAME(doVertLowPass)
}
#endif //HAVE_ALTIVEC
-#if 0
-/**
- * Experimental implementation of the filter (Algorithm 1) described in a paper from Ramkishor & Karandikar
- * values are correctly clipped (MMX2)
- * values are wraparound (C)
- * Conclusion: It is fast, but introduces ugly horizontal patterns
- * if there is a continuous gradient.
- 0 8 16 24
- x = 8
- x/2 = 4
- x/8 = 1
- 1 12 12 23
- */
-static inline void RENAME(vertRK1Filter)(uint8_t *src, int stride, int QP)
-{
-#if HAVE_MMX2 || HAVE_AMD3DNOW
- src+= stride*3;
-// FIXME rounding
- __asm__ volatile(
- "pxor %%mm7, %%mm7 \n\t" // 0
- "movq "MANGLE(b80)", %%mm6 \n\t" // MIN_SIGNED_BYTE
- "leal (%0, %1), %%"REG_a" \n\t"
- "leal (%%"REG_a", %1, 4), %%"REG_c" \n\t"
-// 0 1 2 3 4 5 6 7 8 9
-// %0 eax eax+%1 eax+2%1 %0+4%1 ecx ecx+%1 ecx+2%1 %0+8%1 ecx+4%1
- "movq "MANGLE(pQPb)", %%mm0 \n\t" // QP,..., QP
- "movq %%mm0, %%mm1 \n\t" // QP,..., QP
- "paddusb "MANGLE(b02)", %%mm0 \n\t"
- "psrlw $2, %%mm0 \n\t"
- "pand "MANGLE(b3F)", %%mm0 \n\t" // QP/4,..., QP/4
- "paddusb %%mm1, %%mm0 \n\t" // QP*1.25 ...
- "movq (%0, %1, 4), %%mm2 \n\t" // line 4
- "movq (%%"REG_c"), %%mm3 \n\t" // line 5
- "movq %%mm2, %%mm4 \n\t" // line 4
- "pcmpeqb %%mm5, %%mm5 \n\t" // -1
- "pxor %%mm2, %%mm5 \n\t" // -line 4 - 1
- PAVGB(%%mm3, %%mm5)
- "paddb %%mm6, %%mm5 \n\t" // (l5-l4)/2
- "psubusb %%mm3, %%mm4 \n\t"
- "psubusb %%mm2, %%mm3 \n\t"
- "por %%mm3, %%mm4 \n\t" // |l4 - l5|
- "psubusb %%mm0, %%mm4 \n\t"
- "pcmpeqb %%mm7, %%mm4 \n\t"
- "pand %%mm4, %%mm5 \n\t" // d/2
-
-// "paddb %%mm6, %%mm2 \n\t" // line 4 + 0x80
- "paddb %%mm5, %%mm2 \n\t"
-// "psubb %%mm6, %%mm2 \n\t"
- "movq %%mm2, (%0,%1, 4) \n\t"
-
- "movq (%%"REG_c"), %%mm2 \n\t"
-// "paddb %%mm6, %%mm2 \n\t" // line 5 + 0x80
- "psubb %%mm5, %%mm2 \n\t"
-// "psubb %%mm6, %%mm2 \n\t"
- "movq %%mm2, (%%"REG_c") \n\t"
-
- "paddb %%mm6, %%mm5 \n\t"
- "psrlw $2, %%mm5 \n\t"
- "pand "MANGLE(b3F)", %%mm5 \n\t"
- "psubb "MANGLE(b20)", %%mm5 \n\t" // (l5-l4)/8
-
- "movq (%%"REG_a", %1, 2), %%mm2 \n\t"
- "paddb %%mm6, %%mm2 \n\t" // line 3 + 0x80
- "paddsb %%mm5, %%mm2 \n\t"
- "psubb %%mm6, %%mm2 \n\t"
- "movq %%mm2, (%%"REG_a", %1, 2) \n\t"
-
- "movq (%%"REG_c", %1), %%mm2 \n\t"
- "paddb %%mm6, %%mm2 \n\t" // line 6 + 0x80
- "psubsb %%mm5, %%mm2 \n\t"
- "psubb %%mm6, %%mm2 \n\t"
- "movq %%mm2, (%%"REG_c", %1) \n\t"
-
- :
- : "r" (src), "r" ((x86_reg)stride)
- : "%"REG_a, "%"REG_c
- );
-#else //HAVE_MMX2 || HAVE_AMD3DNOW
- const int l1= stride;
- const int l2= stride + l1;
- const int l3= stride + l2;
- const int l4= stride + l3;
- const int l5= stride + l4;
- const int l6= stride + l5;
-// const int l7= stride + l6;
-// const int l8= stride + l7;
-// const int l9= stride + l8;
- int x;
- const int QP15= QP + (QP>>2);
- src+= stride*3;
- for(x=0; x<BLOCK_SIZE; x++){
- const int v = (src[x+l5] - src[x+l4]);
- if(FFABS(v) < QP15){
- src[x+l3] +=v>>3;
- src[x+l4] +=v>>1;
- src[x+l5] -=v>>1;
- src[x+l6] -=v>>3;
- }
- }
-
-#endif //HAVE_MMX2 || HAVE_AMD3DNOW
-}
-#endif //0
-
/**
* Experimental Filter 1
* will not damage linear gradients
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