mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-03 16:09:39 +00:00
0783e91c54
Original commit message from CVS: * gst/deinterlace2/tvtime/greedyh.asm: * gst/deinterlace2/tvtime/tomsmocomp/SearchLoopBottom.inc: Add the MMX registers to the clobbered registers only if __MMX__ is defined.
250 lines
11 KiB
NASM
250 lines
11 KiB
NASM
/*
|
|
*
|
|
* 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");
|
|
}
|