mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-14 05:12:09 +00:00
190 lines
6.6 KiB
PHP
190 lines
6.6 KiB
PHP
|
// -*- c++ -*-
|
||
|
|
|
||
|
|
// First, get and save our possible Bob values
|
||
|
|
// Assume our pixels are layed out as follows with x the calc'd bob value
|
||
|
|
// and the other pixels are from the current field
|
||
|
|
//
|
||
|
|
// j a b c k current field
|
||
|
|
// x calculated line
|
||
|
|
// m d e f n current field
|
||
|
|
//
|
||
|
|
// we calc the bob value as:
|
||
|
|
// x2 = either avg(a,f), avg(c,d), avg(b,e), avg(j,n), or avg(k,m)
|
||
|
|
|
||
|
|
// selected for the smallest of abs(a,f), abs(c,d), or abs(b,e), etc.
|
||
|
|
|
||
|
|
// a,f
|
||
|
|
"movq -2(%%"XBX"), %%mm0\n\t" // value a from top left
|
||
|
|
"movq 2(%%"XBX", %%"XCX"), %%mm1\n\t" // value f from bottom right
|
||
|
|
"movq %%mm0, %%mm6\n\t"
|
||
|
|
// pavgb %%mm6, %%mm1 // avg(a,f), also best so far
|
||
|
|
V_PAVGB ("%%mm6", "%%mm1", "%%mm7", _ShiftMask) // avg(a,f), also best so far
|
||
|
|
"movq %%mm0, %%mm7\n\t"
|
||
|
|
"psubusb %%mm1, %%mm7\n\t"
|
||
|
|
"psubusb %%mm0, %%mm1\n\t"
|
||
|
|
"por %%mm1, %%mm7\n\t" // abs diff, also best so far
|
||
|
|
|
||
|
|
// c,d
|
||
|
|
"movq 2(%%"XBX"), %%mm0\n\t" // value a from top left
|
||
|
|
"movq -2(%%"XBX", %%"XCX"), %%mm1\n\t" // value f from bottom right
|
||
|
|
"movq %%mm0, %%mm2\n\t"
|
||
|
|
// pavgb %%mm2, %%mm1 // avg(c,d)
|
||
|
|
V_PAVGB ("%%mm2", "%%mm1", "%%mm3", _ShiftMask) // avg(c,d)
|
||
|
|
"movq %%mm0, %%mm3\n\t"
|
||
|
|
"psubusb %%mm1, %%mm3\n\t"
|
||
|
|
"psubusb %%mm0, %%mm1\n\t"
|
||
|
|
"por %%mm1, %%mm3\n\t" // abs(c,d)
|
||
|
|
"movq %%mm3, %%mm1\n\t" // keep copy
|
||
|
|
|
||
|
|
"psubusb %%mm7, %%mm3\n\t" // nonzero where new weights bigger, else 0
|
||
|
|
"pxor %%mm4, %%mm4\n\t"
|
||
|
|
"pcmpeqb %%mm4, %%mm3\n\t" // now ff where new better, else 00
|
||
|
|
"pcmpeqb %%mm3, %%mm4\n\t" // here ff where old better, else 00
|
||
|
|
|
||
|
|
"pand %%mm3, %%mm1\n\t" // keep only better new avg and abs
|
||
|
|
"pand %%mm3, %%mm2\n\t"
|
||
|
|
|
||
|
|
"pand %%mm4, %%mm6\n\t"
|
||
|
|
"pand %%mm4, %%mm7\n\t"
|
||
|
|
|
||
|
|
"por %%mm2, %%mm6\n\t" // and merge new & old vals keeping best
|
||
|
|
"por %%mm1, %%mm7\n\t"
|
||
|
|
"por "_UVMask", %%mm7\n\t" // but we know chroma is worthless so far
|
||
|
|
"pand "_YMask", %%mm5\n\t" // mask out chroma from here also
|
||
|
|
|
||
|
|
// j,n
|
||
|
|
"movq -4(%%"XBX"), %%mm0\n\t" // value j from top left
|
||
|
|
"movq 4(%%"XBX", %%"XCX"), %%mm1\n\t" // value n from bottom right
|
||
|
|
"movq %%mm0, %%mm2\n\t"
|
||
|
|
// pavgb %%mm2, %%mm1 // avg(j,n)
|
||
|
|
V_PAVGB ("%%mm2", "%%mm1", "%%mm3", _ShiftMask) // avg(j,n)
|
||
|
|
"movq %%mm0, %%mm3\n\t"
|
||
|
|
"psubusb %%mm1, %%mm3\n\t"
|
||
|
|
"psubusb %%mm0, %%mm1\n\t"
|
||
|
|
"por %%mm1, %%mm3\n\t" // abs(j-n)
|
||
|
|
"movq %%mm3, %%mm1\n\t" // keep copy
|
||
|
|
|
||
|
|
"psubusb %%mm7, %%mm3\n\t" // nonzero where new weights bigger, else 0
|
||
|
|
"pxor %%mm4, %%mm4\n\t"
|
||
|
|
"pcmpeqb %%mm4, %%mm3\n\t" // now ff where new better, else 00
|
||
|
|
"pcmpeqb %%mm3, %%mm4\n\t" // here ff where old better, else 00
|
||
|
|
|
||
|
|
"pand %%mm3, %%mm1\n\t" // keep only better new avg and abs
|
||
|
|
"pand %%mm2, %%mm3\n\t"
|
||
|
|
|
||
|
|
"pand %%mm4, %%mm6\n\t"
|
||
|
|
"pand %%mm4, %%mm7\n\t"
|
||
|
|
|
||
|
|
"por %%mm3, %%mm6\n\t" // and merge new & old vals keeping best
|
||
|
|
"por %%mm1, %%mm7\n\t" // "
|
||
|
|
|
||
|
|
// k, m
|
||
|
|
"movq 4(%%"XBX"), %%mm0\n\t" // value k from top right
|
||
|
|
"movq -4(%%"XBX", %%"XCX"), %%mm1\n\t" // value n from bottom left
|
||
|
|
"movq %%mm0, %%mm4\n\t"
|
||
|
|
// pavgb %%mm4, %%mm1 // avg(k,m)
|
||
|
|
V_PAVGB ("%%mm4", "%%mm1", "%%mm3", _ShiftMask) // avg(k,m)
|
||
|
|
|
||
|
|
"movq %%mm0, %%mm3\n\t"
|
||
|
|
"psubusb %%mm1, %%mm3\n\t"
|
||
|
|
"psubusb %%mm0, %%mm1\n\t"
|
||
|
|
"por %%mm1, %%mm3\n\t" // abs(k,m)
|
||
|
|
"movq %%mm3, %%mm1\n\t" // keep copy
|
||
|
|
|
||
|
|
"movq %%mm4, %%mm2\n\t" // avg(k,m)
|
||
|
|
|
||
|
|
"psubusb %%mm7, %%mm3\n\t" // nonzero where new weights bigger, else 0
|
||
|
|
"pxor %%mm4, %%mm4\n\t"
|
||
|
|
"pcmpeqb %%mm4, %%mm3\n\t" // now ff where new better, else 00
|
||
|
|
"pcmpeqb %%mm3, %%mm4\n\t" // here ff where old better, else 00
|
||
|
|
|
||
|
|
"pand %%mm3, %%mm1\n\t" // keep only better new avg and abs
|
||
|
|
"pand %%mm2, %%mm3\n\t"
|
||
|
|
|
||
|
|
"pand %%mm4, %%mm6\n\t"
|
||
|
|
"pand %%mm4, %%mm7\n\t"
|
||
|
|
|
||
|
|
"por %%mm3, %%mm6\n\t" // and merge new & old vals keeping best
|
||
|
|
"por %%mm1, %%mm7\n\t" // "
|
||
|
|
|
||
|
|
// b,e
|
||
|
|
"movq (%%"XBX"), %%mm0\n\t" // value b from top
|
||
|
|
"movq (%%"XBX", %%"XCX"), %%mm1\n\t" // value e from bottom
|
||
|
|
|
||
|
|
// We will also calc here the max/min values to later limit comb
|
||
|
|
// so the max excursion will not exceed the Max_Comb constant
|
||
|
|
|
||
|
|
#ifdef SKIP_SEARCH
|
||
|
|
"movq %%mm0, %%mm2\n\t"
|
||
|
|
// pminub %%mm2, %%mm1
|
||
|
|
V_PMINUB ("%%mm2", "%%mm1", "%%mm4")
|
||
|
|
|
||
|
|
// pmaxub %%mm6, %%mm2 // clip our current results so far to be above this
|
||
|
|
V_PMAXUB ("%%mm6", "%%mm2")
|
||
|
|
"movq %%mm0, %%mm2\n\t"
|
||
|
|
V_PMAXUB ("%%mm2", "%%mm1")
|
||
|
|
// pminub %%mm6, %%mm2 // clip our current results so far to be below this
|
||
|
|
V_PMINUB ("%%mm6", "%%mm2", "%%mm4")
|
||
|
|
|
||
|
|
#else
|
||
|
|
"movq %%mm0, %%mm2\n\t"
|
||
|
|
"movq (%%"XAX"), %%mm4\n\t"
|
||
|
|
"psubusb %%mm4, %%mm2\n\t"
|
||
|
|
"psubusb %%mm0, %%mm4\n\t"
|
||
|
|
"por %%mm2, %%mm4\n\t" // abs diff
|
||
|
|
|
||
|
|
"movq %%mm1, %%mm2\n\t"
|
||
|
|
"movq (%%"XAX", %%"XCX"), %%mm3\n\t"
|
||
|
|
"psubusb %%mm3, %%mm2\n\t"
|
||
|
|
"psubusb %%mm1, %%mm3\n\t"
|
||
|
|
"por %%mm2, %%mm3\n\t" // abs diff
|
||
|
|
// pmaxub %%mm3, %%mm4 // top or bottom pixel moved most
|
||
|
|
V_PMAXUB ("%%mm3", "%%mm4") // top or bottom pixel moved most
|
||
|
|
"psubusb "_Max_Mov", %%mm3\n\t" // moved more than allowed? or goes to 0?
|
||
|
|
"pxor %%mm4, %%mm4\n\t"
|
||
|
|
"pcmpeqb %%mm4, %%mm3\n\t" // now ff where low motion, else high motion
|
||
|
|
|
||
|
|
"movq %%mm0, %%mm2\n\t"
|
||
|
|
// pminub %%mm2, %%mm1
|
||
|
|
V_PMINUB ("%%mm2", "%%mm1", "%%mm4")
|
||
|
|
|
||
|
|
// pmaxub %%mm6, %%mm2 // clip our current results so far to be above this
|
||
|
|
V_PMAXUB ("%%mm6", "%%mm2")
|
||
|
|
|
||
|
|
"psubusb %%mm3, %%mm2\n\t" // maybe decrease it to 0000.. if no surround motion
|
||
|
|
"movq %%mm2, "_Min_Vals"\n\t"
|
||
|
|
|
||
|
|
"movq %%mm0, %%mm2\n\t"
|
||
|
|
V_PMAXUB ("%%mm2", "%%mm1")
|
||
|
|
// pminub %%mm6, %%mm2 // clip our current results so far to be below this
|
||
|
|
V_PMINUB ("%%mm6", "%%mm2", "%%mm4")
|
||
|
|
"paddusb %%mm3, %%mm2\n\t" // maybe increase it to ffffff if no surround motion
|
||
|
|
"movq %%mm2, "_Max_Vals"\n\t"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
"movq %%mm0, %%mm2\n\t"
|
||
|
|
// pavgb %%mm2, %%mm1 // avg(b,e)
|
||
|
|
V_PAVGB ("%%mm2", "%%mm1", "%%mm3", _ShiftMask) // avg(b,e)
|
||
|
|
|
||
|
|
"movq %%mm0, %%mm3\n\t"
|
||
|
|
"psubusb %%mm1, %%mm3\n\t"
|
||
|
|
"psubusb %%mm0, %%mm1\n\t"
|
||
|
|
"por %%mm1, %%mm3\n\t" // abs(c,d)
|
||
|
|
"movq %%mm3, %%mm1\n\t" // keep copy of diffs
|
||
|
|
|
||
|
|
"pxor %%mm4, %%mm4\n\t"
|
||
|
|
"psubusb %%mm7, %%mm3\n\t" // nonzero where new weights bigger, else 0
|
||
|
|
"pcmpeqb %%mm4, %%mm3\n\t" // now ff where new better, else 00
|
||
|
|
"pcmpeqb %%mm3, %%mm4\n\t" // here ff where old better, else 00
|
||
|
|
|
||
|
|
"pand %%mm3, %%mm1\n\t"
|
||
|
|
"pand %%mm3, %%mm2\n\t"
|
||
|
|
|
||
|
|
"pand %%mm4, %%mm6\n\t"
|
||
|
|
"pand %%mm4, %%mm7\n\t"
|
||
|
|
|
||
|
|
"por %%mm2, %%mm6\n\t" // our x2 value
|
||
|
|
"por %%mm1, %%mm7\n\t" // our x2 diffs
|
||
|
|
"movq %%mm7, %%mm4\n\t" // save as bob uncertainty indicator
|
||
|
|
|