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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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254 lines
8.8 KiB
C++
254 lines
8.8 KiB
C++
// -*- c++ -*-
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unsigned char* pDest;
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const unsigned char* pSrcP;
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const unsigned char* pSrc;
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const unsigned char* pBob;
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const unsigned char* pBobP;
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// long is int32 on ARCH_368, int64 on ARCH_AMD64. Declaring it this way
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// saves a lot of xor's to delete 64bit garbage.
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#if defined(DBL_RESIZE) || defined(USE_FOR_DSCALER)
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long src_pitch2 = src_pitch; // even & odd lines are not interleaved in DScaler
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#else
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long src_pitch2 = 2 * src_pitch; // even & odd lines are interleaved in Avisynth
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#endif
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long dst_pitch2 = 2 * dst_pitch;
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long y;
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long Last8;
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pSrc = pWeaveSrc; // points 1 weave line above
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pSrcP = pWeaveSrcP; // "
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#ifdef DBL_RESIZE
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#ifdef USE_VERTICAL_FILTER
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pDest = pWeaveDest + dst_pitch2;
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#else
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pDest = pWeaveDest + 3*dst_pitch;
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#endif
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#else
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#ifdef USE_VERTICAL_FILTER
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pDest = pWeaveDest + dst_pitch;
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#else
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pDest = pWeaveDest + dst_pitch2;
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#endif
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#endif
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if (TopFirst)
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{
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pBob = pCopySrc + src_pitch2; // remember one weave line just copied previously
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pBobP = pCopySrcP + src_pitch2;
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}
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else
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{
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pBob = pCopySrc;
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pBobP = pCopySrcP;
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}
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#ifndef IS_C
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#ifndef _pBob
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#define _pBob "%0"
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#define _src_pitch2 "%1"
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#define _ShiftMask "%2"
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#define _pDest "%3"
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#define _dst_pitchw "%4"
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#define _Last8 "%5"
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#define _pSrc "%6"
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#define _pSrcP "%7"
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#define _pBobP "%8"
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#define _DiffThres "%9"
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#define _Min_Vals "%10"
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#define _Max_Vals "%11"
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#define _FOURS "%12"
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#define _TENS "%13"
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#define _ONES "%14"
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#define _UVMask "%15"
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#define _Max_Mov "%16"
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#define _YMask "%17"
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#define _oldbx "%18"
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#endif
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Last8 = (rowsize-8);
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for (y=1; y < FldHeight-1; y++)
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{
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long dst_pitchw = dst_pitch; // local stor so asm can ref
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int64_t Max_Mov = 0x0404040404040404ull;
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int64_t DiffThres = 0x0f0f0f0f0f0f0f0full;
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int64_t YMask = 0x00ff00ff00ff00ffull; // keeps only luma
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int64_t UVMask = 0xff00ff00ff00ff00ull; // keeps only chroma
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int64_t TENS = 0x0a0a0a0a0a0a0a0aull;
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int64_t FOURS = 0x0404040404040404ull;
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int64_t ONES = 0x0101010101010101ull;
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int64_t Min_Vals = 0x0000000000000000ull;
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int64_t Max_Vals = 0x0000000000000000ull;
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int64_t ShiftMask = 0xfefffefffefffeffull;
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long oldbx;
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// pretend it's indented -->>
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__asm__ __volatile__
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(
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// Loop general reg usage
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//
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// XAX - pBobP, then pDest
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// XBX - pBob
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// XCX - src_pitch2
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// XDX - current offset
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// XDI - prev weave pixels, 1 line up
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// XSI - next weave pixels, 1 line up
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// Save "XBX" (-fPIC)
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MOVX" %%"XBX", "_oldbx"\n\t"
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// simple bob first 8 bytes
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MOVX" "_pBob", %%"XBX"\n\t"
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MOVX" "_src_pitch2", %%"XCX"\n\t"
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#ifdef USE_VERTICAL_FILTER
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"movq (%%"XBX"), %%mm0\n\t"
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"movq (%%"XBX", %%"XCX"), %%mm1\n\t" //, qword ptr["XBX"+"XCX"]
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"movq %%mm0, %%mm2\n\t"
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V_PAVGB ("%%mm2", "%%mm1", "%%mm3", _ShiftMask) // halfway between
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V_PAVGB ("%%mm0", "%%mm2", "%%mm3", _ShiftMask) // 1/4 way
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V_PAVGB ("%%mm1", "%%mm2", "%%mm3", _ShiftMask) // 3/4 way
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MOVX" "_pDest", %%"XDI"\n\t"
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MOVX" "_dst_pitchw", %%"XAX"\n\t"
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V_MOVNTQ ("(%%"XDI")", "%%mm0")
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V_MOVNTQ ("(%%"XDI", %%"XAX")", "%%mm1") // qword ptr["XDI"+"XAX"], mm1
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// simple bob last 8 bytes
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MOVX" "_Last8", %%"XDX"\n\t"
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LEAX" (%%"XBX", %%"XDX"), %%"XSI"\n\t" // ["XBX"+"XDX"]
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"movq (%%"XSI"), %%mm0\n\t"
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"movq (%%"XSI", %%"XCX"), %%mm1\n\t" // qword ptr["XSI"+"XCX"]
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"movq %%mm0, %%mm2\n\t"
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V_PAVGB ("%%mm2", "%%mm1", "%%mm3", _ShiftMask) // halfway between
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V_PAVGB ("%%mm0", "%%mm2", "%%mm3", _ShiftMask) // 1/4 way
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V_PAVGB ("%%mm1", "%%mm2", "%%mm3", _ShiftMask) // 3/4 way
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ADDX" %%"XDX", %%"XDI"\n\t" // last 8 bytes of dest
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V_MOVNTQ ("%%"XDI"", "%%mm0")
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V_MOVNTQ ("(%%"XDI", %%"XAX")", "%%mm1") // qword ptr["XDI"+"XAX"], mm1)
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#else
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"movq (%%"XBX"), %%mm0\n\t"
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// pavgb mm0, qword ptr["XBX"+"XCX"]
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V_PAVGB ("%%mm0", "(%%"XBX", %%"XCX")", "%%mm2", _ShiftMask) // qword ptr["XBX"+"XCX"], mm2, ShiftMask)
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MOVX" "_pDest", %%"XDI"\n\t"
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V_MOVNTQ ("(%%"XDI")", "%%mm0")
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// simple bob last 8 bytes
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MOVX" "_Last8", %%"XDX"\n\t"
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LEAX" (%%"XBX", %%"XDX"), %%"XSI"\n\t" //"XSI", ["XBX"+"XDX"]
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"movq (%%"XSI"), %%mm0\n\t"
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// pavgb mm0, qword ptr["XSI"+"XCX"]
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V_PAVGB ("%%mm0", "(%%"XSI", %%"XCX")", "%%mm2", _ShiftMask) // qword ptr["XSI"+"XCX"], mm2, ShiftMask)
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V_MOVNTQ ("(%%"XDI", %%"XDX")", "%%mm0") // qword ptr["XDI"+"XDX"], mm0)
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#endif
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// now loop and get the middle qwords
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MOVX" "_pSrc", %%"XSI"\n\t"
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MOVX" "_pSrcP", %%"XDI"\n\t"
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MOVX" $8, %%"XDX"\n\t" // curr offset longo all lines
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"1:\n\t"
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MOVX" "_pBobP", %%"XAX"\n\t"
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ADDX" $8, %%"XDI"\n\t"
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ADDX" $8, %%"XSI"\n\t"
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ADDX" $8, %%"XBX"\n\t"
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ADDX" %%"XDX", %%"XAX"\n\t"
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#ifdef USE_STRANGE_BOB
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#include "StrangeBob.inc"
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#else
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#include "WierdBob.inc"
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#endif
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// For non-SSE2:
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// through out most of the rest of this loop we will maintain
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// mm4 our min bob value
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// mm5 best weave pixels so far
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// mm6 our max Bob value
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// mm7 best weighted pixel ratings so far
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// We will keep a slight bias to using the weave pixels
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// from the current location, by rating them by the min distance
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// from the Bob value instead of the avg distance from that value.
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// our best and only rating so far
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"pcmpeqb %%mm7, %%mm7\n\t" // ffff, say we didn't find anything good yet
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#else
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Last8 = (rowsize - 4);
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for (y=1; y < FldHeight-1; y++)
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{
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#ifdef USE_STRANGE_BOB
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long DiffThres = 0x0f;
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#endif
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#ifndef SKIP_SEARCH
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long weave[2], MaxVals[2], MinVals[2];
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#endif
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long diff[2], best[2], avg[2], diff2[2], out[2], x;
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#ifdef USE_VERTICAL_FILTER
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pDest[0] = (3 * pBob[0] + pBob[src_pitch2]) / 4;
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pDest[1] = (3 * pBob[1] + pBob[src_pitch2 + 1]) / 4;
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pDest[2] = (3 * pBob[2] + pBob[src_pitch2 + 2]) / 4;
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pDest[3] = (3 * pBob[3] + pBob[src_pitch2 + 3]) / 4;
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pDest[dst_pitchw] = (pBob[0] + 3 * pBob[src_pitch2]) / 4;
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pDest[dst_pitchw + 1] = (pBob[1] + 3 * pBob[src_pitch2 + 1]) / 4;
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pDest[dst_pitchw + 2] = (pBob[2] + 3 * pBob[src_pitch2 + 2]) / 4;
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pDest[dst_pitchw + 3] = (pBob[3] + 3 * pBob[src_pitch2 + 3]) / 4;
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// simple bob last byte
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pDest[Last8] = (3 * pBob[Last8] + pBob[Last8 + src_pitch2]) / 4;
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pDest[Last8 + 1] = (3 * pBob[Last8 + 1] + pBob[Last8 + src_pitch2 + 1]) / 4;
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pDest[Last8 + 2] = (3 * pBob[Last8 + 2] + pBob[Last8 + src_pitch2 + 2]) / 4;
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pDest[Last8 + 3] = (3 * pBob[Last8 + 3] + pBob[Last8 + src_pitch2 + 3]) / 4;
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pDest[Last8 + src_pitch2] = (pBob[Last8] + 3 * pBob[Last8 + src_pitch2]) / 4;
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pDest[Last8 + src_pitch2 + 1] = (pBob[Last8 + 1] + 3 * pBob[Last8 + src_pitch2 + 1]) / 4;
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pDest[Last8 + src_pitch2 + 2] = (pBob[Last8 + 2] + 3 * pBob[Last8 + src_pitch2 + 2]) / 4;
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pDest[Last8 + src_pitch2 + 3] = (pBob[Last8 + 3] + 3 * pBob[Last8 + src_pitch2 + 3]) / 4;
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#else
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pDest[0] = (pBob[0] + pBob[src_pitch2 + 1]) / 2;
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pDest[1] = (pBob[1] + pBob[src_pitch2 + 1]) / 2;
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pDest[2] = (pBob[2] + pBob[src_pitch2 + 2]) / 2;
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pDest[3] = (pBob[3] + pBob[src_pitch2 + 3]) / 2;
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// simple bob last byte
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pDest[Last8] = (pBob[Last8] + pBob[Last8 + src_pitch2]) / 2;
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pDest[Last8 + 1] = (pBob[Last8 + 1] + pBob[Last8 + src_pitch2 + 1]) / 2;
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pDest[Last8 + 2] = (pBob[Last8 + 2] + pBob[Last8 + src_pitch2 + 2]) / 2;
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pDest[Last8 + 3] = (pBob[Last8 + 3] + pBob[Last8 + src_pitch2 + 3]) / 2;
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#endif
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pBob += 4;
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pBobP += 4;
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pSrc += 4;
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pSrcP += 4;
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for (x=4; x < Last8; x += 2) {
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#ifdef USE_STRANGE_BOB
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#include "StrangeBob.inc"
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#else
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#include "WierdBob.inc"
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#endif
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// We will keep a slight bias to using the weave pixels
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// from the current location, by rating them by the min distance
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// from the Bob value instead of the avg distance from that value.
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// our best and only rating so far
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diff[0] = diff[1] = 255;
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#endif
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