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| author | Diego Biurrun <diego@biurrun.de> | 2009-08-19 08:15:32 +0000 |
|---|---|---|
| committer | Diego Biurrun <diego@biurrun.de> | 2009-08-19 08:15:32 +0000 |
| commit | 386eaeb43fb6b750a9345e1945eb7ffc5df35c15 (patch) | |
| tree | 0e897b75a88cb4e72a3b8fa8782b3d46482f9b81 /libpostproc | |
| parent | 1aff375d41b4ff32ff6b4ae7a2e75b269ea6df63 (diff) | |
| download | ffmpeg-386eaeb43fb6b750a9345e1945eb7ffc5df35c15.tar.gz | |
Remove disabled code cruft.
Originally committed as revision 19668 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libpostproc')
| -rw-r--r-- | libpostproc/postprocess_template.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/libpostproc/postprocess_template.c b/libpostproc/postprocess_template.c index 6879dba8c1..ad8d7c0099 100644 --- a/libpostproc/postprocess_template.c +++ b/libpostproc/postprocess_template.c @@ -349,110 +349,6 @@ static inline void RENAME(doVertLowPass)(uint8_t *src, int stride, PPContext *c) } #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 |