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Diffstat (limited to 'gst/deinterlace2/tvtime/greedyh.asm')
| -rw-r--r-- | gst/deinterlace2/tvtime/greedyh.asm | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/gst/deinterlace2/tvtime/greedyh.asm b/gst/deinterlace2/tvtime/greedyh.asm deleted file mode 100644 index 86e97c58..00000000 --- a/gst/deinterlace2/tvtime/greedyh.asm +++ /dev/null @@ -1,250 +0,0 @@ -/* - * - * GStreamer - * Copyright (c) 2001 Tom Barry. All rights reserved. - * Copyright (C) 2008 Sebastian Dröge <slomo@collabora.co.uk> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - - -/* - * Relicensed for GStreamer from GPL to LGPL with permit from Tom Barry. - * See: http://bugzilla.gnome.org/show_bug.cgi?id=163578 - */ - - -#include "x86-64_macros.inc" - -void -FUNCT_NAME (GstDeinterlaceMethodGreedyH *self, uint8_t * L1, uint8_t * L2, uint8_t * L3, uint8_t * L2P, - uint8_t * Dest, int size) -{ - - // in tight loop some vars are accessed faster in local storage - int64_t YMask = 0x00ff00ff00ff00ffull; // to keep only luma - int64_t UVMask = 0xff00ff00ff00ff00ull; // to keep only chroma - int64_t ShiftMask = 0xfefefefefefefefeull; // to avoid shifting chroma to luma - int64_t QW256 = 0x0100010001000100ull; // 4 256's - int64_t MaxComb; - int64_t MotionThreshold; - int64_t MotionSense; - int64_t i; - long LoopCtr; - long oldbx; - - int64_t QW256B; - int64_t LastAvg = 0; //interp value from left qword - - // FIXME: Use C implementation if the width is not a multiple of 4 - // Do something more optimal later - if (size % 8 != 0) - greedyDScaler_C (self, L1, L2, L3, L2P, Dest, size); - - // Set up our two parms that are actually evaluated for each pixel - i = self->max_comb; - MaxComb = - i << 56 | i << 48 | i << 40 | i << 32 | i << 24 | i << 16 | i << 8 | i; - - i = self->motion_threshold; // scale to range of 0-257 - MotionThreshold = i << 48 | i << 32 | i << 16 | i | UVMask; - - i = self->motion_sense; // scale to range of 0-257 - MotionSense = i << 48 | i << 32 | i << 16 | i; - - i = 0xffffffff - 256; - QW256B = i << 48 | i << 32 | i << 16 | i; // save a couple instr on PMINSW instruct. - - LoopCtr = size / 8 - 1; // there are LineLength / 8 qwords per line but do 1 less, adj at end of loop - - // For ease of reading, the comments below assume that we're operating on an odd - // field (i.e., that InfoIsOdd is true). Assume the obvious for even lines.. - __asm__ __volatile__ ( - // save ebx (-fPIC) - MOVX " %%" XBX ", %[oldbx]\n\t" - MOVX " %[L1], %%" XAX "\n\t" - LEAX " 8(%%" XAX "), %%" XBX "\n\t" // next qword needed by DJR - MOVX " %[L3], %%" XCX "\n\t" - SUBX " %%" XAX ", %%" XCX "\n\t" // carry L3 addr as an offset - MOVX " %[L2P], %%" XDX "\n\t" - MOVX " %[L2], %%" XSI "\n\t" - MOVX " %[Dest], %%" XDI "\n\t" // DL1 if Odd or DL2 if Even - - ".align 8\n\t" - "1:\n\t" - "movq (%%" XSI "), %%mm0\n\t" // L2 - the newest weave pixel value - "movq (%%" XAX "), %%mm1\n\t" // L1 - the top pixel - "movq (%%" XDX "), %%mm2\n\t" // L2P - the prev weave pixel - "movq (%%" XAX ", %%" XCX "), %%mm3\n\t" // L3, next odd row - "movq %%mm1, %%mm6\n\t" // L1 - get simple single pixel interp - - // pavgb mm6, mm3 // use macro below - V_PAVGB ("%%mm6", "%%mm3", "%%mm4", "%[ShiftMask]") - - // DJR - Diagonal Jaggie Reduction - // In the event that we are going to use an average (Bob) pixel we do not want a jagged - // stair step effect. To combat this we avg in the 2 horizontally adjacen pixels into the - // interpolated Bob mix. This will do horizontal smoothing for only the Bob'd pixels. - - "movq %[LastAvg], %%mm4\n\t" // the bob value from prev qword in row - "movq %%mm6, %[LastAvg]\n\t" // save for next pass - "psrlq $48, %%mm4\n\t" // right justify 1 pixel - "movq %%mm6, %%mm7\n\t" // copy of simple bob pixel - "psllq $16, %%mm7\n\t" // left justify 3 pixels - "por %%mm7, %%mm4\n\t" // and combine - "movq (%%" XBX "), %%mm5\n\t" // next horiz qword from L1 - // pavgb mm5, qword ptr[ebx+ecx] // next horiz qword from L3, use macro below - - V_PAVGB ("%%mm5", "(%%" XBX ",%%" XCX ")", "%%mm7", "%[ShiftMask]") - "psllq $48, %%mm5\n\t" // left just 1 pixel - "movq %%mm6, %%mm7\n\t" // another copy of simple bob pixel - "psrlq $16, %%mm7\n\t" // right just 3 pixels - "por %%mm7, %%mm5\n\t" // combine - // pavgb mm4, mm5 // avg of forward and prev by 1 pixel, use macro - V_PAVGB ("%%mm4", "%%mm5", "%%mm5", "%[ShiftMask]") // mm5 gets modified if MMX - // pavgb mm6, mm4 // avg of center and surround interp vals, use macro - V_PAVGB ("%%mm6", "%%mm4", "%%mm7", "%[ShiftMask]") - - // Don't do any more averaging than needed for mmx. It hurts performance and causes rounding errors. -#ifndef IS_MMX - // pavgb mm4, mm6 // 1/4 center, 3/4 adjacent - V_PAVGB ("%%mm4", "%%mm6", "%%mm7", "%[ShiftMask]") - // pavgb mm6, mm4 // 3/8 center, 5/8 adjacent - V_PAVGB ("%%mm6", "%%mm4", "%%mm7", "%[ShiftMask]") -#endif - - // get abs value of possible L2 comb - "movq %%mm6, %%mm4\n\t" // work copy of interp val - "movq %%mm2, %%mm7\n\t" // L2 - "psubusb %%mm4, %%mm7\n\t" // L2 - avg - "movq %%mm4, %%mm5\n\t" // avg - "psubusb %%mm2, %%mm5\n\t" // avg - L2 - "por %%mm7, %%mm5\n\t" // abs(avg-L2) - - // get abs value of possible L2P comb - "movq %%mm0, %%mm7\n\t" // L2P - "psubusb %%mm4, %%mm7\n\t" // L2P - avg - "psubusb %%mm0, %%mm4\n\t" // avg - L2P - "por %%mm7, %%mm4\n\t" // abs(avg-L2P) - - // use L2 or L2P depending upon which makes smaller comb - "psubusb %%mm5, %%mm4\n\t" // see if it goes to zero - "psubusb %%mm5, %%mm5\n\t" // 0 - "pcmpeqb %%mm5, %%mm4\n\t" // if (mm4=0) then FF else 0 - "pcmpeqb %%mm4, %%mm5\n\t" // opposite of mm4 - - // if Comb(L2P) <= Comb(L2) then mm4=ff, mm5=0 else mm4=0, mm5 = 55 - "pand %%mm2, %%mm5\n\t" // use L2 if mm5 == ff, else 0 - "pand %%mm0, %%mm4\n\t" // use L2P if mm4 = ff, else 0 - "por %%mm5, %%mm4\n\t" // may the best win - - // Inventory: at this point we have the following values: - // mm0 = L2P (or L2) - // mm1 = L1 - // mm2 = L2 (or L2P) - // mm3 = L3 - // mm4 = the best of L2,L2P weave pixel, base upon comb - // mm6 = the avg interpolated value, if we need to use it - // Let's measure movement, as how much the weave pixel has changed - - "movq %%mm2, %%mm7\n\t" - "psubusb %%mm0, %%mm2\n\t" - "psubusb %%mm7, %%mm0\n\t" - "por %%mm2, %%mm0\n\t" // abs value of change, used later - - // Now lets clip our chosen value to be not outside of the range - // of the high/low range L1-L3 by more than MaxComb. - // This allows some comb but limits the damages and also allows more - // detail than a boring oversmoothed clip. - - "movq %%mm1, %%mm2\n\t" // copy L1 - // pmaxub mm2, mm3 // use macro - V_PMAXUB ("%%mm2", "%%mm3") // now = Max(L1,L3) - "movq %%mm1, %%mm5\n\t" // copy L1 - // pminub mm5, mm3 // now = Min(L1,L3), use macro - V_PMINUB ("%%mm5", "%%mm3", "%%mm7") - - // allow the value to be above the high or below the low by amt of MaxComb - "psubusb %[MaxComb], %%mm5\n\t" // lower min by diff - "paddusb %[MaxComb], %%mm2\n\t" // increase max by diff - // pmaxub mm4, mm5 // now = Max(best,Min(L1,L3) use macro - V_PMAXUB ("%%mm4", "%%mm5") - // pminub mm4, mm2 // now = Min( Max(best, Min(L1,L3), L2 )=L2 clipped - V_PMINUB ("%%mm4", "%%mm2", "%%mm7") - - // Blend weave pixel with bob pixel, depending on motion val in mm0 - "psubusb %[MotionThreshold], %%mm0\n\t" // test Threshold, clear chroma change >>>?? - "pmullw %[MotionSense], %%mm0\n\t" // mul by user factor, keep low 16 bits - "movq %[QW256], %%mm7\n\t" -#ifdef IS_MMXEXT - "pminsw %%mm7, %%mm0\n\t" // max = 256 -#else - "paddusw %[QW256B], %%mm0\n\t" // add, may sat at fff.. - "psubusw %[QW256B], %%mm0\n\t" // now = Min(L1,256) -#endif - "psubusw %%mm0, %%mm7\n\t" // so the 2 sum to 256, weighted avg - "movq %%mm4, %%mm2\n\t" // save weave chroma info before trashing - "pand %[YMask], %%mm4\n\t" // keep only luma from calc'd value - "pmullw %%mm7, %%mm4\n\t" // use more weave for less motion - "pand %[YMask], %%mm6\n\t" // keep only luma from calc'd value - "pmullw %%mm0, %%mm6\n\t" // use more bob for large motion - "paddusw %%mm6, %%mm4\n\t" // combine - "psrlw $8, %%mm4\n\t" // div by 256 to get weighted avg - // chroma comes from weave pixel - "pand %[UVMask], %%mm2\n\t" // keep chroma - "por %%mm4, %%mm2\n\t" // and combine - V_MOVNTQ ("(%%" XDI ")", "%%mm2") // move in our clipped best, use macro - // bump ptrs and loop - LEAX " 8(%%" XAX "), %%" XAX "\n\t" - LEAX " 8(%%" XBX "), %%" XBX "\n\t" - LEAX " 8(%%" XDX "), %%" XDX "\n\t" - LEAX " 8(%%" XDI "), %%" XDI "\n\t" - LEAX " 8(%%" XSI "), %%" XSI "\n\t" - DECX " %[LoopCtr]\n\t" - - "jg 1b\n\t" // loop if not to last line - // note P-III default assumes backward branches taken - "jl 1f\n\t" // done - MOVX " %%" XAX ", %%" XBX "\n\t" // sharpness lookahead 1 byte only, be wrong on 1 - "jmp 1b\n\t" - - "1:\n\t" - MOVX " %[oldbx], %%" XBX "\n\t" - "emms\n\t": /* no outputs */ - - :[LastAvg] "m" (LastAvg), - [L1] "m" (L1), - [L3] "m" (L3), - [L2P] "m" (L2P), - [L2] "m" (L2), - [Dest] "m" (Dest), - [ShiftMask] "m" (ShiftMask), - [MaxComb] "m" (MaxComb), - [MotionThreshold] "m" (MotionThreshold), - [MotionSense] "m" (MotionSense), - [QW256B] "m" (QW256B), - [YMask] "m" (YMask), - [UVMask] "m" (UVMask), - [LoopCtr] "m" (LoopCtr), - [QW256] "m" (QW256), - [oldbx] "m" (oldbx) - : XAX, XCX, XDX, XSI, XDI, - "st", "st(1)", "st(2)", "st(3)", "st(4)", "st(5)", "st(6)", "st(7)", -#ifdef __MMX__ - "mm0", "mm1", "mm2", "mm3", "mm4", "mm5", "mm6", "mm7", -#endif - "memory", "cc"); -} |