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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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435 lines
14 KiB
C++
435 lines
14 KiB
C++
// -*- c++ -*-
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// First, get and save our possible Bob values
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// Assume our pixels are laid out as follows with x the calc'd bob value
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// and the other pixels are from the current field
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//
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// j a b c k current field
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// x calculated line
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// m d e f n current field
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//
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// we calc the bob value luma value as:
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// if |j - n| < Thres && |a - m| > Thres
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// avg(j,n)
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// end if
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// if |k - m| < Thres && |c - n| > Thres
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// avg(k,m)
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// end if
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// if |c - d| < Thres && |b - f| > Thres
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// avg(c,d)
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// end if
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// if |a - f| < Thres && |b - d| > Thres
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// avg(a,f)
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// end if
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// if |b - e| < Thres
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// avg(b,e)
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// end if
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// pickup any thing not yet set with avg(b,e)
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#ifndef IS_C
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// j, n
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"pxor %%mm5, %%mm5\n\t"
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"pxor %%mm6, %%mm6\n\t"
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"pxor %%mm7, %%mm7\n\t"
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"movq -2(%%"XBX"), %%mm0\n\t" // value a from top left
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"movq -4(%%"XBX", %%"XCX"), %%mm1\n\t" // value m from bottom right
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"movq %%mm0, %%mm3\n\t"
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"psubusb %%mm1, %%mm3\n\t"
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"psubusb %%mm0, %%mm1\n\t"
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"por %%mm1, %%mm3\n\t" // abs(a,m)
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"psubusb "_DiffThres", %%mm3\n\t" // nonzero where abs(a,m) > Thres else 0
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"pxor %%mm4, %%mm4\n\t"
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"pcmpeqb %%mm4, %%mm3\n\t" // now ff where abs(a,m) < Thres, else 00
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"pcmpeqb %%mm3, %%mm4\n\t" // here ff where abs(a,m) > Thres, else 00
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"movq -4(%%"XBX"), %%mm0\n\t" // value j
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"movq 4(%%"XBX", %%"XCX"), %%mm1\n\t" // value n
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"movq %%mm0, %%mm2\n\t"
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V_PAVGB ("%%mm2", "%%mm1", "%%mm3", _ShiftMask) // avg(j,n)
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"movq %%mm0, %%mm3\n\t"
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"psubusb %%mm1, %%mm0\n\t"
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"psubusb %%mm3, %%mm1\n\t"
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"por %%mm1, %%mm0\n\t" // abs(j,n)
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"movq %%mm0, %%mm1\n\t"
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"psubusb "_DiffThres", %%mm1\n\t" // nonzero where abs(j,n) > Thres else 0
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"pxor %%mm3, %%mm3\n\t"
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"pcmpeqb %%mm3, %%mm1\n\t" // now ff where abs(j,n) < Thres, else 00
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"pand %%mm4, %%mm1\n\t"
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"pand %%mm1, %%mm2\n\t"
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"pand %%mm1, %%mm0\n\t"
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"movq %%mm1, %%mm3\n\t"
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"pxor %%mm5, %%mm3\n\t"
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"pand %%mm3, %%mm6\n\t"
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"pand %%mm3, %%mm7\n\t"
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"pand %%mm3, %%mm5\n\t"
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"por %%mm1, %%mm5\n\t"
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"por %%mm2, %%mm6\n\t"
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"por %%mm0, %%mm7\n\t"
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// k & m
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"movq 2(%%"XBX"), %%mm0\n\t" // value c from top left
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"movq 4(%%"XBX", %%"XCX"), %%mm1\n\t" // value n from bottom right
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"movq %%mm0, %%mm3\n\t"
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"psubusb %%mm1, %%mm3\n\t"
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"psubusb %%mm0, %%mm1\n\t"
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"por %%mm1, %%mm3\n\t" // abs(c,n)
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"psubusb "_DiffThres", %%mm3\n\t" // nonzero where abs(c,n) > Thres else 0
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"pxor %%mm4, %%mm4\n\t"
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"pcmpeqb %%mm4, %%mm3\n\t" // now ff where abs(c,n) < Thres, else 00
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"pcmpeqb %%mm3, %%mm4\n\t" // here ff where abs(c,n) > Thres, else 00
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"movq 4(%%"XBX"), %%mm0\n\t" // value k
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"movq -4(%%"XBX", %%"XCX"), %%mm1\n\t" // value m
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"movq %%mm0, %%mm2\n\t"
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V_PAVGB ("%%mm2", "%%mm1", "%%mm3", _ShiftMask) // avg(k,m)
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"movq %%mm0, %%mm3\n\t"
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"psubusb %%mm1, %%mm0\n\t"
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"psubusb %%mm3, %%mm1\n\t"
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"por %%mm1, %%mm0\n\t" // abs(k,m)
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"movq %%mm0, %%mm1\n\t"
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"psubusb "_DiffThres", %%mm1\n\t" // nonzero where abs(k,m) > Thres else 0
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"pxor %%mm3, %%mm3\n\t"
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"pcmpeqb %%mm3, %%mm1\n\t" // now ff where abs(k,m) < Thres, else 00
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"pand %%mm4, %%mm1\n\t"
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"pand %%mm1, %%mm2\n\t"
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"pand %%mm1, %%mm0\n\t"
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"movq %%mm1, %%mm3\n\t"
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"pxor %%mm5, %%mm3\n\t"
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"pand %%mm3, %%mm6\n\t"
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"pand %%mm3, %%mm7\n\t"
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"pand %%mm3, %%mm5\n\t"
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"por %%mm1, %%mm5\n\t"
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"por %%mm2, %%mm6\n\t"
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"por %%mm0, %%mm7\n\t"
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// c & d
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"movq (%%"XBX"), %%mm0\n\t" // value b from top left
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"movq 2(%%"XBX", %%"XCX"), %%mm1\n\t" // value f from bottom right
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"movq %%mm0, %%mm3\n\t"
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"psubusb %%mm1, %%mm3\n\t"
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"psubusb %%mm0, %%mm1\n\t"
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"por %%mm1, %%mm3\n\t" // abs(b,f)
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"psubusb "_DiffThres", %%mm3\n\t" // nonzero where abs(b,f) > Thres else 0
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"pxor %%mm4, %%mm4\n\t"
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"pcmpeqb %%mm4, %%mm3\n\t" // now ff where abs(b,f) < Thres, else 00
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"pcmpeqb %%mm3, %%mm4\n\t" // here ff where abs(b,f) > Thres, else 00
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"movq 2(%%"XBX"), %%mm0\n\t" // value c
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"movq -2(%%"XBX", %%"XCX"), %%mm1\n\t" // value d
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"movq %%mm0, %%mm2\n\t"
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V_PAVGB ("%%mm2", "%%mm1", "%%mm3", _ShiftMask) // avg(c,d)
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"movq %%mm0, %%mm3\n\t"
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"psubusb %%mm1, %%mm0\n\t"
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"psubusb %%mm3, %%mm1\n\t"
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"por %%mm1, %%mm0\n\t" // abs(c,d)
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"movq %%mm0, %%mm1\n\t"
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"psubusb "_DiffThres", %%mm1\n\t" // nonzero where abs(c,d) > Thres else 0
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"pxor %%mm3, %%mm3\n\t"
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"pcmpeqb %%mm3, %%mm1\n\t" // now ff where abs(c,d) < Thres, else 00
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"pand %%mm4, %%mm1\n\t"
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"pand %%mm1, %%mm2\n\t"
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"pand %%mm1, %%mm0\n\t"
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"movq %%mm1, %%mm3\n\t"
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"pxor %%mm5, %%mm3\n\t"
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"pand %%mm3, %%mm6\n\t"
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"pand %%mm3, %%mm7\n\t"
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"pand %%mm3, %%mm5\n\t"
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"por %%mm1, %%mm5\n\t"
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"por %%mm2, %%mm6\n\t"
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"por %%mm0, %%mm7\n\t"
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// a & f
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"movq (%%"XBX"), %%mm0\n\t" // value b from top left
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"movq -2(%%"XBX", %%"XCX"), %%mm1\n\t" // value d from bottom right
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"movq %%mm0, %%mm3\n\t"
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"psubusb %%mm1, %%mm3\n\t"
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"psubusb %%mm0, %%mm1\n\t"
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"por %%mm1, %%mm3\n\t" // abs(b,d)
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"psubusb "_DiffThres", %%mm3\n\t" // nonzero where abs(b,d) > Thres else 0
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"pxor %%mm4, %%mm4\n\t"
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"pcmpeqb %%mm4, %%mm3\n\t" // now ff where abs(b,d) < Thres, else 00
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"pcmpeqb %%mm3, %%mm4\n\t" // here ff where abs(b,d) > Thres, else 00
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"movq -2(%%"XBX"), %%mm0\n\t" // value a
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"movq 2(%%"XBX", %%"XCX"), %%mm1\n\t" // value f
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"movq %%mm0, %%mm2\n\t"
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V_PAVGB ("%%mm2", "%%mm1", "%%mm3", _ShiftMask) // avg(a,f)
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"movq %%mm0, %%mm3\n\t"
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"psubusb %%mm1, %%mm0\n\t"
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"psubusb %%mm3, %%mm1\n\t"
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"por %%mm1, %%mm0\n\t" // abs(a,f)
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"movq %%mm0, %%mm1\n\t"
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"psubusb "_DiffThres", %%mm1\n\t" // nonzero where abs(a,f) > Thres else 0
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"pxor %%mm3, %%mm3\n\t"
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"pcmpeqb %%mm3, %%mm1\n\t" // now ff where abs(a,f) < Thres, else 00
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"pand %%mm4, %%mm1\n\t"
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"pand %%mm1, %%mm2\n\t"
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"pand %%mm1, %%mm0\n\t"
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"movq %%mm1, %%mm3\n\t"
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"pxor %%mm5, %%mm3\n\t"
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"pand %%mm3, %%mm6\n\t"
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"pand %%mm3, %%mm7\n\t"
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"pand %%mm3, %%mm5\n\t"
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"por %%mm1, %%mm5\n\t"
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"por %%mm2, %%mm6\n\t"
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"por %%mm0, %%mm7\n\t"
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"pand "_YMask", %%mm5\n\t" // mask out chroma from here
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"pand "_YMask", %%mm6\n\t" // mask out chroma from here
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"pand "_YMask", %%mm7\n\t" // mask out chroma from here
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// b,e
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"movq (%%"XBX"), %%mm0\n\t" // value b from top
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"movq (%%"XBX", %%"XCX"), %%mm1\n\t" // value e from bottom
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"movq %%mm0, %%mm2\n\t"
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V_PAVGB ("%%mm2", "%%mm1", "%%mm3", _ShiftMask) // avg(b,e)
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"movq %%mm0, %%mm3\n\t"
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"psubusb %%mm1, %%mm0\n\t"
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"psubusb %%mm3, %%mm1\n\t"
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"por %%mm1, %%mm0\n\t" // abs(b,e)
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"movq %%mm0, %%mm1\n\t"
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"psubusb "_DiffThres", %%mm1\n\t" // nonzero where abs(b,e) > Thres else 0
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"pxor %%mm3, %%mm3\n\t"
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"pcmpeqb %%mm3, %%mm1\n\t" // now ff where abs(b,e) < Thres, else 00
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"pand %%mm1, %%mm2\n\t"
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"pand %%mm1, %%mm0\n\t"
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"movq %%mm1, %%mm3\n\t"
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"pxor %%mm5, %%mm3\n\t"
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"pand %%mm3, %%mm6\n\t"
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"pand %%mm3, %%mm7\n\t"
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"pand %%mm3, %%mm5\n\t"
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"por %%mm1, %%mm5\n\t"
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"por %%mm2, %%mm6\n\t"
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"por %%mm0, %%mm7\n\t"
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// bob in any leftovers
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"movq (%%"XBX"), %%mm0\n\t" // value b from top
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"movq (%%"XBX", %%"XCX"), %%mm1\n\t" // value e from bottom
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// We will also calc here the max/min values to later limit comb
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// so the max excursion will not exceed the Max_Comb constant
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#ifdef SKIP_SEARCH
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"movq %%mm0, %%mm2\n\t"
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// pminub %%mm2, %%mm1
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V_PMINUB ("%%mm2", "%%mm1", "%%mm4")
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// pmaxub %%mm6, %%mm2 // clip our current results so far to be above this
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V_PMAXUB ("%%mm6", "%%mm2")
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"movq %%mm0, %%mm2\n\t"
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V_PMAXUB ("%%mm2", "%%mm1")
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// pminub %%mm6, %%mm2 // clip our current results so far to be below this
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V_PMINUB ("%%mm6", "%%mm2", "%%mm4")
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#else
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"movq %%mm0, %%mm2\n\t"
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"movq (%%"XAX"), %%mm4\n\t"
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"psubusb %%mm4, %%mm2\n\t"
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"psubusb %%mm0, %%mm4\n\t"
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"por %%mm2, %%mm4\n\t" // abs diff
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"movq %%mm1, %%mm2\n\t"
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"movq (%%"XAX", %%"XCX"), %%mm3\n\t"
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"psubusb %%mm3, %%mm2\n\t"
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"psubusb %%mm1, %%mm3\n\t"
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"por %%mm2, %%mm3\n\t" // abs diff
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// pmaxub %%mm3, %%mm4 // top or bottom pixel moved most
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V_PMAXUB ("%%mm3", "%%mm4") // top or bottom pixel moved most
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"psubusb "_DiffThres", %%mm3\n\t" // moved more than allowed? or goes to 0?
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"pxor %%mm4, %%mm4\n\t"
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"pcmpeqb %%mm4, %%mm3\n\t" // now ff where low motion, else high motion
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"movq %%mm0, %%mm2\n\t"
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// pminub %%mm2, %%mm1
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V_PMINUB ("%%mm2", "%%mm1", "%%mm4")
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// pmaxub %%mm6, %%mm2 // clip our current results so far to be above this
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V_PMAXUB ("%%mm6", "%%mm2")
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"psubusb %%mm3, %%mm2\n\t" // maybe decrease it to 0000.. if no surround motion
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"movq %%mm2, "_Min_Vals"\n\t"
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"movq %%mm0, %%mm2\n\t"
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V_PMAXUB ("%%mm2", "%%mm1")
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// pminub %%mm6, %%mm2 // clip our current results so far to be below this
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V_PMINUB ("%%mm6", "%%mm2", "%%mm4")
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"paddusb %%mm3, %%mm2\n\t" // maybe increase it to ffffff if no surround motion
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"movq %%mm2, "_Max_Vals"\n\t"
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#endif
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"movq %%mm0, %%mm2\n\t"
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// pavgb %%mm2, %%mm1 // avg(b,e)
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V_PAVGB ("%%mm2", "%%mm1", "%%mm3", _ShiftMask) // avg(b,e)
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"movq %%mm0, %%mm3\n\t"
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"psubusb %%mm1, %%mm3\n\t"
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"psubusb %%mm0, %%mm1\n\t"
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"por %%mm1, %%mm3\n\t" // abs(b,e)
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"movq %%mm3, %%mm1\n\t" // keep copy of diffs
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"pxor %%mm4, %%mm4\n\t"
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"psubusb %%mm7, %%mm3\n\t" // nonzero where new weights bigger, else 0
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"pcmpeqb %%mm4, %%mm3\n\t" // now ff where new better, else 00
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"pcmpeqb %%mm0, %%mm0\n\t"
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"pandn %%mm0, %%mm5\n\t"
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"por %%mm5, %%mm3\n\t"
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"pcmpeqb %%mm3, %%mm4\n\t" // here ff where old better, else 00
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"pand %%mm3, %%mm1\n\t"
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"pand %%mm3, %%mm2\n\t"
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"pand %%mm4, %%mm6\n\t"
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"pand %%mm4, %%mm7\n\t"
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"por %%mm2, %%mm6\n\t" // our x2 value
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"por %%mm1, %%mm7\n\t" // our x2 diffs
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"movq %%mm7, %%mm4\n\t" // save as bob uncertainty indicator
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#else
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diff[0] = -1;
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diff[1] = -1;
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best[0] = 0;
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best[1] = 0;
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// j, n
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if (ABS (pBob[-2] - pBob[src_pitch2 - 4]) < DiffThres &&
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ABS (pBob[-4] - pBob[src_pitch2 + 4]) > DiffThres) {
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best[0] = (pBob[-2] + pBob[src_pitch2 - 4]) / 2;
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diff[0] = ABS (pBob[-2] - pBob[src_pitch2 - 4]);
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}
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if (ABS (pBob[-1] - pBob[src_pitch2 - 3]) < DiffThres &&
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ABS (pBob[-3] - pBob[src_pitch2 + 5]) > DiffThres) {
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best[1] = (pBob[-1] + pBob[src_pitch2 - 3]) / 2;
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diff[1] = ABS (pBob[-1] - pBob[src_pitch2 - 3]);
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}
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// k & m
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if (ABS (pBob[2] - pBob[src_pitch2 + 4]) < DiffThres &&
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ABS (pBob[4] - pBob[src_pitch2 - 4]) > DiffThres) {
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best[0] = (pBob[4] + pBob[src_pitch2 - 4]) / 2;
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diff[0] = ABS (pBob[4] - pBob[src_pitch2 - 4]);
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}
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if (ABS (pBob[3] - pBob[src_pitch2 + 5]) < DiffThres &&
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ABS (pBob[5] - pBob[src_pitch2 - 3]) > DiffThres) {
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best[1] = (pBob[5] + pBob[src_pitch2 - 3]) / 2;
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diff[1] = ABS (pBob[5] - pBob[src_pitch2 - 3]);
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}
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// c & d
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if (ABS (pBob[0] - pBob[src_pitch2 + 2]) < DiffThres &&
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ABS (pBob[2] - pBob[src_pitch2 - 2]) > DiffThres) {
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best[0] = (pBob[2] + pBob[src_pitch2 - 2]) / 2;
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diff[0] = ABS (pBob[2] - pBob[src_pitch2 - 2]);
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}
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if (ABS (pBob[1] - pBob[src_pitch2 + 3]) < DiffThres &&
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ABS (pBob[3] - pBob[src_pitch2 - 1]) > DiffThres) {
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best[1] = (pBob[3] + pBob[src_pitch2 - 1]) / 2;
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diff[1] = ABS (pBob[3] - pBob[src_pitch2 - 1]);
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}
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// a & f
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if (ABS (pBob[0] - pBob[src_pitch2 - 2]) < DiffThres &&
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ABS (pBob[-2] - pBob[src_pitch2 + 2]) > DiffThres) {
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best[0] = (pBob[-2] + pBob[src_pitch2 + 2]) / 2;
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diff[0] = ABS (pBob[-2] - pBob[src_pitch2 + 2]);
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}
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if (ABS (pBob[1] - pBob[src_pitch2 - 1]) < DiffThres &&
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ABS (pBob[-1] - pBob[src_pitch2 + 3]) > DiffThres) {
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best[1] = (pBob[-1] + pBob[src_pitch2 + 3]) / 2;
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diff[1] = ABS (pBob[-1] - pBob[src_pitch2 + 3]);
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}
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// b,e
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if (ABS (pBob[0] - pBob[src_pitch2]) < DiffThres) {
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best[0] = (pBob[0] + pBob[src_pitch2]) / 2;
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diff[0] = ABS (pBob[0] - pBob[src_pitch2]);
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}
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|
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if (ABS (pBob[1] - pBob[src_pitch2 + 1]) < DiffThres) {
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best[1] = (pBob[1] + pBob[src_pitch2 + 1]) / 2;
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diff[1] = ABS (pBob[1] - pBob[src_pitch2 + 1]);
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}
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|
|
|
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// We will also calc here the max/min values to later limit comb
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// so the max excursion will not exceed the Max_Comb constant
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|
|
|
#ifdef SKIP_SEARCH
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best[0] = CLAMP (best[0], MIN (pBob[src_pitch2], pBob[0]), MAX (pBob[src_pitch2], pBob[0]));
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best[1] = CLAMP (best[1], MIN (pBob[src_pitch2 + 1], pBob[1]), MAX (pBob[src_pitch2 + 1], pBob[1]));
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#else
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mov[0] = MAX (ABS (pBob[0] - pBobP[0]), ABS (pBob[src_pitch2] - pBobP[src_pitch2]));
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mov[1] = MAX (ABS (pBob[1] - pBobP[1]), ABS (pBob[src_pitch2 + 1] - pBobP[src_pitch2 + 1]));
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|
|
|
MinVals[0] = 0;
|
|
MinVals[1] = 0;
|
|
MaxVals[0] = 255;
|
|
MaxVals[1] = 255;
|
|
if (mov[0] > DiffThres) {
|
|
MinVals[0] = MAX (MIN (pBob[0], pBob[src_pitch2]), best[0]);
|
|
MaxVals[0] = MIN (MAX (pBob[0], pBob[src_pitch2]), best[0]);
|
|
}
|
|
|
|
if (mov[1] > DiffThres) {
|
|
MinVals[1] = MAX (MIN (pBob[1], pBob[src_pitch2+1]), best[1]);
|
|
MaxVals[1] = MIN (MAX (pBob[1], pBob[src_pitch2+1]), best[1]);
|
|
}
|
|
|
|
best[0] = CLAMP (best[0], MIN (pBob[src_pitch2], pBob[0]), MAX (pBob[src_pitch2], pBob[0]));
|
|
best[1] = CLAMP (best[1], MIN (pBob[src_pitch2 + 1], pBob[1]), MAX (pBob[src_pitch2 + 1], pBob[1]));
|
|
#endif
|
|
avg[0] = (pBob[src_pitch2] + pBob[0]) / 2;
|
|
avg[1] = (pBob[src_pitch2 + 1] + pBob[1]) / 2;
|
|
diff2[0] = ABS (pBob[src_pitch2 + 1] - pBob[1]);
|
|
diff2[1] = ABS (pBob[src_pitch2 + 1] - pBob[1]);
|
|
|
|
if (diff[0] == -1 || diff2[0] < diff[0]) {
|
|
best[0] = avg[0];
|
|
diff[0] = diff2[0];
|
|
}
|
|
|
|
if (diff[1] == -1 || diff2[1] < diff[1]) {
|
|
best[1] = avg[1];
|
|
diff[1] = diff2[1];
|
|
}
|
|
#endif
|