Exemple #1
0
static inline void MC_avg4_16 (int height, uint8_t * dest, const uint8_t * ref,
			       const int stride, const int cpu)
{
    do {
	movq_m2r (*ref, mm0);
	movq_m2r (*(ref+stride+1), mm1);
	movq_r2r (mm0, mm7);
	movq_m2r (*(ref+1), mm2);
	pxor_r2r (mm1, mm7);
	movq_m2r (*(ref+stride), mm3);
	movq_r2r (mm2, mm6);
	pxor_r2r (mm3, mm6);
	pavg_r2r (mm1, mm0);
	pavg_r2r (mm3, mm2);
	por_r2r (mm6, mm7);
	movq_r2r (mm0, mm6);
	pxor_r2r (mm2, mm6);
	pand_r2r (mm6, mm7);
	pand_m2r (mask_one, mm7);
	pavg_r2r (mm2, mm0);
	psubusb_r2r (mm7, mm0);
	movq_m2r (*dest, mm1);
	pavg_r2r (mm1, mm0);
	movq_r2m (mm0, *dest);

	movq_m2r (*(ref+8), mm0);
	movq_m2r (*(ref+stride+9), mm1);
	movq_r2r (mm0, mm7);
	movq_m2r (*(ref+9), mm2);
	pxor_r2r (mm1, mm7);
	movq_m2r (*(ref+stride+8), mm3);
	movq_r2r (mm2, mm6);
	pxor_r2r (mm3, mm6);
	pavg_r2r (mm1, mm0);
	pavg_r2r (mm3, mm2);
	por_r2r (mm6, mm7);
	movq_r2r (mm0, mm6);
	pxor_r2r (mm2, mm6);
	pand_r2r (mm6, mm7);
	pand_m2r (mask_one, mm7);
	pavg_r2r (mm2, mm0);
	psubusb_r2r (mm7, mm0);
	movq_m2r (*(dest+8), mm1);
	pavg_r2r (mm1, mm0);
	ref += stride;
	movq_r2m (mm0, *(dest+8));
	dest += stride;
    } while (--height);
}
Exemple #2
0
static inline void mean8(unsigned char *refpix,unsigned char *pixel,int radius_count,int row_stride,int threshold,int8_t *diff,unsigned char *count)
{
    int a,b;

    pxor_r2r(mm6,mm6); // mm6 (aka count) = 0
    pxor_r2r(mm7,mm7); // mm7 (aka diff) = 0
    movq_m2r(*refpix,mm3); // mm3 = refpix[0]

    movd_g2r(0x80808080,mm4); // mm4 = 128
    punpcklbw_r2r(mm4,mm4);

    pxor_r2r(mm4,mm3); // mm3 = refpix[0]-128

    movd_g2r(threshold,mm5); // mm5 = threshold
    punpcklbw_r2r(mm5,mm5);
    punpcklbw_r2r(mm5,mm5);
    punpcklbw_r2r(mm5,mm5);

    for( b=0; b<radius_count; b++ ) {
        for( a=0; a<radius_count; a++ ) {
            movq_m2r(*pixel,mm0); // mm0  = pixel[0]
            pxor_r2r(mm4,mm0);    // mm0  = pixel[0]-128
            movq_r2r(mm3,mm2);    // mm2  = refpix[0]-128
            psubsb_r2r(mm0,mm2);  // mm2  = refpix[0]-pixel[0]
            psubsb_r2r(mm3,mm0);  // mm0  = pixel[0]-refpix[0]
            pminub_r2r(mm0,mm2);  // mm2  = abs(pixel[0]-refpix[0])
            movq_r2r(mm5,mm1);    // mm1  = threshold
            pcmpgtb_r2r(mm2,mm1); // mm1  = (threshold > abs(pixel[0]-refpix[0])) ? -1 : 0
            psubb_r2r(mm1,mm6);   // mm6 += (threshold > abs(pixel[0]-refpix[0]))
            pand_r2r(mm1,mm0);    // mm0  = (threshold > abs(pixel[0]-refpix[0])) ? pixel[0]-refpix[0] : 0
            paddb_r2r(mm0,mm7);   // mm7 += (threshold > abs(pixel[0]-refpix[0])) ? pixel[0]-refpix[0] : 0

            ++pixel;
        }
        pixel += row_stride - radius_count;
    }

    movq_r2m(mm6,*count);
    movq_r2m(mm7,*diff);

    emms();
 
}
Exemple #3
0
static inline void MC_put4_8 (int height, uint8_t * dest, const uint8_t * ref,
			      const int stride, const int cpu)
{
    movq_m2r (*ref, mm0);
    movq_m2r (*(ref+1), mm1);
    movq_r2r (mm0, mm7);
    pxor_r2r (mm1, mm7);
    pavg_r2r (mm1, mm0);
    ref += stride;

    do {
	movq_m2r (*ref, mm2);
	movq_r2r (mm0, mm5);

	movq_m2r (*(ref+1), mm3);
	movq_r2r (mm2, mm6);

	pxor_r2r (mm3, mm6);
	pavg_r2r (mm3, mm2);

	por_r2r (mm6, mm7);
	pxor_r2r (mm2, mm5);

	pand_r2r (mm5, mm7);
	pavg_r2r (mm2, mm0);

	pand_m2r (mask_one, mm7);

	psubusb_r2r (mm7, mm0);

	ref += stride;
	movq_r2m (mm0, *dest);
	dest += stride;

	movq_r2r (mm6, mm7);	/* unroll ! */
	movq_r2r (mm2, mm0);	/* unroll ! */
    } while (--height);
}
Exemple #4
0
static void vfilter_chroma_332_packed422_scanline_mmx( uint8_t *output, int width,
        uint8_t *m, uint8_t *t, uint8_t *b )
{
    int i;
    const mmx_t ymask = { 0x00ff00ff00ff00ffULL };
    const mmx_t cmask = { 0xff00ff00ff00ff00ULL };

    // Get width in bytes.
    width *= 2; 
    i = width / 8;
    width -= i * 8;

    movq_m2r( ymask, mm7 );
    movq_m2r( cmask, mm6 );

    while ( i-- ) 
    {
        movq_m2r( *t, mm0 );
        movq_m2r( *b, mm1 );
        movq_m2r( *m, mm2 );

        movq_r2r ( mm2, mm3 );
        pand_r2r ( mm7, mm3 );

        pand_r2r ( mm6, mm0 );
        pand_r2r ( mm6, mm1 );
        pand_r2r ( mm6, mm2 );

        psrlq_i2r( 8, mm0 );
        psrlq_i2r( 7, mm1 );
        psrlq_i2r( 8, mm2 );

        movq_r2r ( mm0, mm4 );
        psllw_i2r( 1, mm4 );
        paddw_r2r( mm4, mm0 );

        movq_r2r ( mm2, mm4 );
        psllw_i2r( 1, mm4 );
        paddw_r2r( mm4, mm2 );

        paddw_r2r( mm0, mm2 );
        paddw_r2r( mm1, mm2 );

        psllw_i2r( 5, mm2 );
        pand_r2r( mm6, mm2 );

        por_r2r ( mm3, mm2 );

        movq_r2m( mm2, *output );
        output += 8;
        t += 8;
        b += 8;
        m += 8;
    }
    output++; t++; b++; m++;
    while ( width-- ) 
    {
        *output = (3 * *t + 3 * *m + 2 * *b) >> 3;
        output +=2; t+=2; b+=2; m+=2;
    }

    emms();
}
Exemple #5
0
static void
deinterlace_greedy_scanline_mmxext (GstDeinterlaceMethodGreedyL *
    self, const guint8 * m0, const guint8 * t1, const guint8 * b1,
    const guint8 * m2, guint8 * output, gint width)
{
  mmx_t MaxComb;

  // How badly do we let it weave? 0-255
  MaxComb.ub[0] = self->max_comb;
  MaxComb.ub[1] = self->max_comb;
  MaxComb.ub[2] = self->max_comb;
  MaxComb.ub[3] = self->max_comb;
  MaxComb.ub[4] = self->max_comb;
  MaxComb.ub[5] = self->max_comb;
  MaxComb.ub[6] = self->max_comb;
  MaxComb.ub[7] = self->max_comb;

  // L2 == m0
  // L1 == t1
  // L3 == b1
  // LP2 == m2

  movq_m2r (MaxComb, mm6);

  for (; width > 7; width -= 8) {
    movq_m2r (*t1, mm1);        // L1
    movq_m2r (*m0, mm2);        // L2
    movq_m2r (*b1, mm3);        // L3
    movq_m2r (*m2, mm0);        // LP2

    // average L1 and L3 leave result in mm4
    movq_r2r (mm1, mm4);        // L1
    pavgb_r2r (mm3, mm4);       // (L1 + L3)/2

    // get abs value of possible L2 comb
    movq_r2r (mm2, mm7);        // L2
    psubusb_r2r (mm4, mm7);     // L2 - avg
    movq_r2r (mm4, mm5);        // avg
    psubusb_r2r (mm2, mm5);     // avg - L2
    por_r2r (mm7, mm5);         // abs(avg-L2)

    // get abs value of possible LP2 comb
    movq_r2r (mm0, mm7);        // LP2
    psubusb_r2r (mm4, mm7);     // LP2 - avg
    psubusb_r2r (mm0, mm4);     // avg - LP2
    por_r2r (mm7, mm4);         // abs(avg-LP2)

    // use L2 or LP2 depending upon which makes smaller comb
    psubusb_r2r (mm5, mm4);     // see if it goes to zero
    pxor_r2r (mm5, mm5);        // 0
    pcmpeqb_r2r (mm5, mm4);     // if (mm4=0) then FF else 0
    pcmpeqb_r2r (mm4, mm5);     // opposite of mm4

    // if Comb(LP2) <= Comb(L2) then mm4=ff, mm5=0 else mm4=0, mm5 = 55
    pand_r2r (mm2, mm5);        // use L2 if mm5 == ff, else 0
    pand_r2r (mm0, mm4);        // use LP2 if mm4 = ff, else 0
    por_r2r (mm5, mm4);         // may the best win

    // Now lets clip our chosen value to be not outside of the range
    // of the high/low range L1-L3 by more than abs(L1-L3)
    // This allows some comb but limits the damages and also allows more
    // detail than a boring oversmoothed clip.

    movq_r2r (mm1, mm2);        // copy L1
    pmaxub_r2r (mm3, mm2);      // now = Max(L1,L3)

    pminub_r2r (mm1, mm3);      // now = Min(L1,L3)

    // allow the value to be above the high or below the low by amt of MaxComb
    paddusb_r2r (mm6, mm2);     // increase max by diff
    psubusb_r2r (mm6, mm3);     // lower min by diff


    pmaxub_r2r (mm3, mm4);      // now = Max(best,Min(L1,L3)
    pminub_r2r (mm4, mm2);      // now = Min( Max(best, Min(L1,L3)), L2 )=L2 clipped

    movq_r2m (mm2, *output);    // move in our clipped best

    // Advance to the next set of pixels.
    output += 8;
    m0 += 8;
    t1 += 8;
    b1 += 8;
    m2 += 8;
  }
  emms ();

  if (width > 0)
    deinterlace_greedy_scanline_c (self, m0, t1, b1, m2, output, width);
}
void deinterlace_bob_yuv_mmx(uint8_t *pdst, uint8_t *psrc,
			     int width, int height )
{

  int Line;
  long long* YVal1;
  long long* YVal2;
  long long* YVal3;
  long long* Dest;
  uint8_t* pEvenLines = psrc;
  uint8_t* pOddLines = psrc+width;
  int LineLength = width;
  int Pitch = width * 2;
  int IsOdd = 1;
  long EdgeDetect = 625;
  long JaggieThreshold = 73;

  int n;

  unsigned long long qwEdgeDetect;
  unsigned long long qwThreshold;
  const unsigned long long Mask = 0xfefefefefefefefeULL;
  const unsigned long long YMask = 0x00ff00ff00ff00ffULL;

  qwEdgeDetect = EdgeDetect;
  qwEdgeDetect += (qwEdgeDetect << 48) + (qwEdgeDetect << 32) + (qwEdgeDetect << 16);
  qwThreshold = JaggieThreshold;
  qwThreshold += (qwThreshold << 48) + (qwThreshold << 32) + (qwThreshold << 16);


  // copy first even line no matter what, and the first odd line if we're
  // processing an odd field.
  ac_memcpy(pdst, pEvenLines, LineLength);
  if (IsOdd)
    ac_memcpy(pdst + LineLength, pOddLines, LineLength);

  height = height / 2;
  for (Line = 0; Line < height - 1; ++Line)
  {
    if (IsOdd)
    {
      YVal1 = (long long *)(pOddLines + Line * Pitch);
      YVal2 = (long long *)(pEvenLines + (Line + 1) * Pitch);
      YVal3 = (long long *)(pOddLines + (Line + 1) * Pitch);
      Dest = (long long *)(pdst + (Line * 2 + 2) * LineLength);
    }
    else
    {
      YVal1 = (long long *)(pEvenLines + Line * Pitch);
      YVal2 = (long long *)(pOddLines + Line * Pitch);
      YVal3 = (long long *)(pEvenLines + (Line + 1) * Pitch);
      Dest = (long long *)(pdst + (Line * 2 + 1) * LineLength);
    }

    // For ease of reading, the comments below assume that we're operating on an odd
    // field (i.e., that bIsOdd is true).  The exact same processing is done when we
    // operate on an even field, but the roles of the odd and even fields are reversed.
    // It's just too cumbersome to explain the algorithm in terms of "the next odd
    // line if we're doing an odd field, or the next even line if we're doing an
    // even field" etc.  So wherever you see "odd" or "even" below, keep in mind that
    // half the time this function is called, those words' meanings will invert.

    // Copy the odd line to the overlay verbatim.
    ac_memcpy((char *)Dest + LineLength, YVal3, LineLength);

    n = LineLength >> 3;
    while( n-- )
    {
      movq_m2r (*YVal1++, mm0);
      movq_m2r (*YVal2++, mm1);
      movq_m2r (*YVal3++, mm2);

      // get intensities in mm3 - 4
      movq_r2r ( mm0, mm3 );
      movq_r2r ( mm1, mm4 );
      movq_r2r ( mm2, mm5 );

      pand_m2r ( *&YMask, mm3 );
      pand_m2r ( *&YMask, mm4 );
      pand_m2r ( *&YMask, mm5 );

      // get average in mm0
      pand_m2r ( *&Mask, mm0 );
      pand_m2r ( *&Mask, mm2 );
      psrlw_i2r ( 01, mm0 );
      psrlw_i2r ( 01, mm2 );
      paddw_r2r ( mm2, mm0 );

      // work out (O1 - E) * (O2 - E) / 2 - EdgeDetect * (O1 - O2) ^ 2 >> 12
      // result will be in mm6

      psrlw_i2r ( 01, mm3 );
      psrlw_i2r ( 01, mm4 );
      psrlw_i2r ( 01, mm5 );

      movq_r2r ( mm3, mm6 );
      psubw_r2r ( mm4, mm6 );	//mm6 = O1 - E

      movq_r2r ( mm5, mm7 );
      psubw_r2r ( mm4, mm7 );	//mm7 = O2 - E

      pmullw_r2r ( mm7, mm6 );		// mm6 = (O1 - E) * (O2 - E)

      movq_r2r ( mm3, mm7 );
      psubw_r2r ( mm5, mm7 );		// mm7 = (O1 - O2)
      pmullw_r2r ( mm7, mm7 );	// mm7 = (O1 - O2) ^ 2
      psrlw_i2r ( 12, mm7 );		// mm7 = (O1 - O2) ^ 2 >> 12
      pmullw_m2r ( *&qwEdgeDetect, mm7 );// mm7  = EdgeDetect * (O1 - O2) ^ 2 >> 12

      psubw_r2r ( mm7, mm6 );      // mm6 is what we want

      pcmpgtw_m2r ( *&qwThreshold, mm6 );

      movq_r2r ( mm6, mm7 );

      pand_r2r ( mm6, mm0 );

      pandn_r2r ( mm1, mm7 );

      por_r2r ( mm0, mm7 );

      movq_r2m ( mm7, *Dest++ );
    }
  }

  // Copy last odd line if we're processing an even field.
  if (! IsOdd)
  {
    ac_memcpy(pdst + (height * 2 - 1) * LineLength,
                      pOddLines + (height - 1) * Pitch,
                      LineLength);
  }

  // clear out the MMX registers ready for doing floating point
  // again
  emms();
}