static inline void mmx_interp_average_2_U8 (uint8_t * dest,
const uint8_t * src1,
const uint8_t * src2)
{
/* *dest = (*dest + (*src1 + *src2 + 1)/ 2 + 1)/ 2; */
movq_m2r (*dest, mm1); /* load 8 dest bytes */
movq_r2r (mm1, mm2); /* copy 8 dest bytes */
movq_m2r (*src1, mm3); /* load 8 src1 bytes */
movq_r2r (mm3, mm4); /* copy 8 src1 bytes */
movq_m2r (*src2, mm5); /* load 8 src2 bytes */
movq_r2r (mm5, mm6); /* copy 8 src2 bytes */
pxor_r2r (mm3, mm5); /* xor src1 and src2 */
pand_m2r (mask1, mm5); /* mask lower bits */
psrlq_i2r (1, mm5); /* /2 */
por_r2r (mm4, mm6); /* or src1 and src2 */
psubb_r2r (mm5, mm6); /* subtract subresults */
movq_r2r (mm6, mm5); /* copy subresult */
pxor_r2r (mm1, mm5); /* xor srcavg and dest */
pand_m2r (mask1, mm5); /* mask lower bits */
psrlq_i2r (1, mm5); /* /2 */
por_r2r (mm2, mm6); /* or srcavg and dest */
psubb_r2r (mm5, mm6); /* subtract subresults */
movq_r2m (mm6, *dest); /* store result in dest */
}
static inline void mmx_unpack_16rgb (uint8_t * image, const int cpu)
{
static mmx_t mmx_bluemask = {0xf8f8f8f8f8f8f8f8LL};
static mmx_t mmx_greenmask = {0xfcfcfcfcfcfcfcfcLL};
static mmx_t mmx_redmask = {0xf8f8f8f8f8f8f8f8LL};
/*
* convert RGB plane to RGB 16 bits
* mm0 -> B, mm1 -> R, mm2 -> G
* mm4 -> GB, mm5 -> AR pixel 4-7
* mm6 -> GB, mm7 -> AR pixel 0-3
*/
pand_m2r (mmx_bluemask, mm0); /* mm0 = b7b6b5b4b3______ */
pand_m2r (mmx_greenmask, mm2); /* mm2 = g7g6g5g4g3g2____ */
pand_m2r (mmx_redmask, mm1); /* mm1 = r7r6r5r4r3______ */
psrlq_i2r (3, mm0); /* mm0 = ______b7b6b5b4b3 */
pxor_r2r (mm4, mm4); /* mm4 = 0 */
movq_r2r (mm0, mm5); /* mm5 = ______b7b6b5b4b3 */
movq_r2r (mm2, mm7); /* mm7 = g7g6g5g4g3g2____ */
punpcklbw_r2r (mm4, mm2);
punpcklbw_r2r (mm1, mm0);
psllq_i2r (3, mm2);
por_r2r (mm2, mm0);
movntq (mm0, *image);
punpckhbw_r2r (mm4, mm7);
punpckhbw_r2r (mm1, mm5);
psllq_i2r (3, mm7);
por_r2r (mm7, mm5);
movntq (mm5, *(image+8));
}
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);
}
static inline void mmx_end(uint8_t *src3, uint8_t *src5,
uint8_t *dst, int X)
{
punpcklbw_m2r (mm_cpool[0], mm4);
punpckhbw_m2r (mm_cpool[0], mm5);
psubusw_r2r (mm2, mm0);
psubusw_r2r (mm3, mm1);
movq_m2r (src5[X], mm2);
movq_m2r (src5[X], mm3);
punpcklbw_m2r (mm_cpool[0], mm2);
punpckhbw_m2r (mm_cpool[0], mm3);
psubusw_r2r (mm2, mm0);
psubusw_r2r (mm3, mm1);
psrlw_i2r (3, mm0);
psrlw_i2r (3, mm1);
psubw_r2r (mm6, mm4);
psubw_r2r (mm7, mm5);
packuswb_r2r (mm1,mm0);
movq_r2r (mm4, mm6);
movq_r2r (mm5, mm7);
pcmpgtw_m2r (mm_lthr, mm4);
pcmpgtw_m2r (mm_lthr, mm5);
pcmpgtw_m2r (mm_hthr, mm6);
pcmpgtw_m2r (mm_hthr, mm7);
packsswb_r2r (mm5, mm4);
packsswb_r2r (mm7, mm6);
pxor_r2r (mm6, mm4);
movq_r2r (mm4, mm5);
pandn_r2r (mm0, mm4);
pand_m2r (src3[X], mm5);
por_r2r (mm4, mm5);
movq_r2m (mm5, dst[X]);
}
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);
}
static inline void mmx_yuv2rgb (uint8_t * py, uint8_t * pu, uint8_t * pv)
{
static mmx_t mmx_80w = {0x0080008000800080LL};
static mmx_t mmx_U_green = {0xf37df37df37df37dLL};
static mmx_t mmx_U_blue = {0x4093409340934093LL};
static mmx_t mmx_V_red = {0x3312331233123312LL};
static mmx_t mmx_V_green = {0xe5fce5fce5fce5fcLL};
static mmx_t mmx_10w = {0x1010101010101010LL};
static mmx_t mmx_00ffw = {0x00ff00ff00ff00ffLL};
static mmx_t mmx_Y_coeff = {0x253f253f253f253fLL};
movd_m2r (*pu, mm0); /* mm0 = 00 00 00 00 u3 u2 u1 u0 */
movd_m2r (*pv, mm1); /* mm1 = 00 00 00 00 v3 v2 v1 v0 */
movq_m2r (*py, mm6); /* mm6 = Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
pxor_r2r (mm4, mm4); /* mm4 = 0 */
/* XXX might do cache preload for image here */
/*
* Do the multiply part of the conversion for even and odd pixels
* register usage:
* mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels
* mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels
* mm6 -> Y even, mm7 -> Y odd
*/
punpcklbw_r2r (mm4, mm0); /* mm0 = u3 u2 u1 u0 */
punpcklbw_r2r (mm4, mm1); /* mm1 = v3 v2 v1 v0 */
psubsw_m2r (mmx_80w, mm0); /* u -= 128 */
psubsw_m2r (mmx_80w, mm1); /* v -= 128 */
psllw_i2r (3, mm0); /* promote precision */
psllw_i2r (3, mm1); /* promote precision */
movq_r2r (mm0, mm2); /* mm2 = u3 u2 u1 u0 */
movq_r2r (mm1, mm3); /* mm3 = v3 v2 v1 v0 */
pmulhw_m2r (mmx_U_green, mm2); /* mm2 = u * u_green */
pmulhw_m2r (mmx_V_green, mm3); /* mm3 = v * v_green */
pmulhw_m2r (mmx_U_blue, mm0); /* mm0 = chroma_b */
pmulhw_m2r (mmx_V_red, mm1); /* mm1 = chroma_r */
paddsw_r2r (mm3, mm2); /* mm2 = chroma_g */
psubusb_m2r (mmx_10w, mm6); /* Y -= 16 */
movq_r2r (mm6, mm7); /* mm7 = Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
pand_m2r (mmx_00ffw, mm6); /* mm6 = Y6 Y4 Y2 Y0 */
psrlw_i2r (8, mm7); /* mm7 = Y7 Y5 Y3 Y1 */
psllw_i2r (3, mm6); /* promote precision */
psllw_i2r (3, mm7); /* promote precision */
pmulhw_m2r (mmx_Y_coeff, mm6); /* mm6 = luma_rgb even */
pmulhw_m2r (mmx_Y_coeff, mm7); /* mm7 = luma_rgb odd */
/*
* Do the addition part of the conversion for even and odd pixels
* register usage:
* mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels
* mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels
* mm6 -> Y even, mm7 -> Y odd
*/
movq_r2r (mm0, mm3); /* mm3 = chroma_b */
movq_r2r (mm1, mm4); /* mm4 = chroma_r */
movq_r2r (mm2, mm5); /* mm5 = chroma_g */
paddsw_r2r (mm6, mm0); /* mm0 = B6 B4 B2 B0 */
paddsw_r2r (mm7, mm3); /* mm3 = B7 B5 B3 B1 */
paddsw_r2r (mm6, mm1); /* mm1 = R6 R4 R2 R0 */
paddsw_r2r (mm7, mm4); /* mm4 = R7 R5 R3 R1 */
paddsw_r2r (mm6, mm2); /* mm2 = G6 G4 G2 G0 */
paddsw_r2r (mm7, mm5); /* mm5 = G7 G5 G3 G1 */
packuswb_r2r (mm0, mm0); /* saturate to 0-255 */
packuswb_r2r (mm1, mm1); /* saturate to 0-255 */
packuswb_r2r (mm2, mm2); /* saturate to 0-255 */
packuswb_r2r (mm3, mm3); /* saturate to 0-255 */
packuswb_r2r (mm4, mm4); /* saturate to 0-255 */
packuswb_r2r (mm5, mm5); /* saturate to 0-255 */
punpcklbw_r2r (mm3, mm0); /* mm0 = B7 B6 B5 B4 B3 B2 B1 B0 */
punpcklbw_r2r (mm4, mm1); /* mm1 = R7 R6 R5 R4 R3 R2 R1 R0 */
punpcklbw_r2r (mm5, mm2); /* mm2 = G7 G6 G5 G4 G3 G2 G1 G0 */
}
static void
deinterlace_scanline_linear_mmx (GstDeinterlaceSimpleMethod * self,
guint8 * out, const guint8 * bot, const guint8 * top, gint size)
{
const mmx_t shiftmask = { 0xfefffefffefffeffULL }; /* To avoid shifting chroma to luma. */
int i;
for (i = size / 32; i; --i) {
movq_m2r (*bot, mm0);
movq_m2r (*top, mm1);
movq_m2r (*(bot + 8), mm2);
movq_m2r (*(top + 8), mm3);
movq_m2r (*(bot + 16), mm4);
movq_m2r (*(top + 16), mm5);
movq_m2r (*(bot + 24), mm6);
movq_m2r (*(top + 24), mm7);
pand_m2r (shiftmask, mm0);
pand_m2r (shiftmask, mm1);
pand_m2r (shiftmask, mm2);
pand_m2r (shiftmask, mm3);
pand_m2r (shiftmask, mm4);
pand_m2r (shiftmask, mm5);
pand_m2r (shiftmask, mm6);
pand_m2r (shiftmask, mm7);
psrlw_i2r (1, mm0);
psrlw_i2r (1, mm1);
psrlw_i2r (1, mm2);
psrlw_i2r (1, mm3);
psrlw_i2r (1, mm4);
psrlw_i2r (1, mm5);
psrlw_i2r (1, mm6);
psrlw_i2r (1, mm7);
paddb_r2r (mm1, mm0);
paddb_r2r (mm3, mm2);
paddb_r2r (mm5, mm4);
paddb_r2r (mm7, mm6);
movq_r2m (mm0, *out);
movq_r2m (mm2, *(out + 8));
movq_r2m (mm4, *(out + 16));
movq_r2m (mm6, *(out + 24));
out += 32;
top += 32;
bot += 32;
}
size = (size & 0x1f);
for (i = size / 8; i; --i) {
movq_m2r (*bot, mm0);
movq_m2r (*top, mm1);
pand_m2r (shiftmask, mm0);
pand_m2r (shiftmask, mm1);
psrlw_i2r (1, mm0);
psrlw_i2r (1, mm1);
paddb_r2r (mm1, mm0);
movq_r2m (mm0, *out);
out += 8;
top += 8;
bot += 8;
}
emms ();
size = size & 0xf;
/* Handle last few pixels. */
for (i = size; i; --i) {
*out++ = ((*top++) + (*bot++)) >> 1;
}
}
static inline void mmx_interp_average_4_U8 (uint8_t * dest,
const uint8_t * src1,
const uint8_t * src2,
const uint8_t * src3,
const uint8_t * src4)
{
/* *dest = (*dest + (*src1 + *src2 + *src3 + *src4 + 2)/ 4 + 1)/ 2; */
movq_m2r (*src1, mm1); /* load 8 src1 bytes */
movq_r2r (mm1, mm2); /* copy 8 src1 bytes */
punpcklbw_r2r (mm0, mm1); /* unpack low src1 bytes */
punpckhbw_r2r (mm0, mm2); /* unpack high src1 bytes */
movq_m2r (*src2, mm3); /* load 8 src2 bytes */
movq_r2r (mm3, mm4); /* copy 8 src2 bytes */
punpcklbw_r2r (mm0, mm3); /* unpack low src2 bytes */
punpckhbw_r2r (mm0, mm4); /* unpack high src2 bytes */
paddw_r2r (mm3, mm1); /* add lows */
paddw_r2r (mm4, mm2); /* add highs */
/* now have partials in mm1 and mm2 */
movq_m2r (*src3, mm3); /* load 8 src3 bytes */
movq_r2r (mm3, mm4); /* copy 8 src3 bytes */
punpcklbw_r2r (mm0, mm3); /* unpack low src3 bytes */
punpckhbw_r2r (mm0, mm4); /* unpack high src3 bytes */
paddw_r2r (mm3, mm1); /* add lows */
paddw_r2r (mm4, mm2); /* add highs */
movq_m2r (*src4, mm5); /* load 8 src4 bytes */
movq_r2r (mm5, mm6); /* copy 8 src4 bytes */
punpcklbw_r2r (mm0, mm5); /* unpack low src4 bytes */
punpckhbw_r2r (mm0, mm6); /* unpack high src4 bytes */
paddw_r2r (mm5, mm1); /* add lows */
paddw_r2r (mm6, mm2); /* add highs */
paddw_m2r (round4, mm1);
psraw_i2r (2, mm1); /* /4 */
paddw_m2r (round4, mm2);
psraw_i2r (2, mm2); /* /4 */
/* now have subtotal/4 in mm1 and mm2 */
movq_m2r (*dest, mm3); /* load 8 dest bytes */
movq_r2r (mm3, mm4); /* copy 8 dest bytes */
packuswb_r2r (mm2, mm1); /* pack (w/ saturation) */
movq_r2r (mm1,mm2); /* copy subresult */
pxor_r2r (mm1, mm3); /* xor srcavg and dest */
pand_m2r (mask1, mm3); /* mask lower bits */
psrlq_i2r (1, mm3); /* /2 */
por_r2r (mm2, mm4); /* or srcavg and dest */
psubb_r2r (mm3, mm4); /* subtract subresults */
movq_r2m (mm4, *dest); /* store result in dest */
}
static void
deinterlace_greedy_scanline_mmx (GstDeinterlaceMethodGreedyL * self,
const guint8 * m0, const guint8 * t1,
const guint8 * b1, const guint8 * m2, guint8 * output, gint width)
{
mmx_t MaxComb;
mmx_t ShiftMask;
// 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;
ShiftMask.ub[0] = 0x7f;
ShiftMask.ub[1] = 0x7f;
ShiftMask.ub[2] = 0x7f;
ShiftMask.ub[3] = 0x7f;
ShiftMask.ub[4] = 0x7f;
ShiftMask.ub[5] = 0x7f;
ShiftMask.ub[6] = 0x7f;
ShiftMask.ub[7] = 0x7f;
// 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
movq_r2r (mm3, mm5); // L3
psrlw_i2r (1, mm4); // L1/2
pand_m2r (ShiftMask, mm4);
psrlw_i2r (1, mm5); // L3/2
pand_m2r (ShiftMask, mm5);
paddusb_r2r (mm5, 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
psubusb_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
psubusb_r2r (mm3, mm2); // - L3, with saturation
paddusb_r2r (mm3, mm2); // now = Max(L1,L3)
pcmpeqb_r2r (mm7, mm7); // all ffffffff
psubusb_r2r (mm1, mm7); // - L1
paddusb_r2r (mm7, mm3); // add, may sat at fff..
psubusb_r2r (mm7, 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
psubusb_r2r (mm3, mm4); // best - Min
paddusb_r2r (mm3, mm4); // now = Max(best,Min(L1,L3)
pcmpeqb_r2r (mm7, mm7); // all ffffffff
psubusb_r2r (mm4, mm7); // - Max(best,Min(best,L3)
paddusb_r2r (mm7, mm2); // add may sat at FFF..
psubusb_r2r (mm7, 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);
}
static void
deinterlace_scanline_linear_mmx (GstDeinterlaceMethod * self,
GstDeinterlace * parent, guint8 * out,
GstDeinterlaceScanlineData * scanlines, gint width)
{
const mmx_t shiftmask = { 0xfefffefffefffeffULL }; /* To avoid shifting chroma to luma. */
int i;
guint8 *bot = scanlines->b0, *top = scanlines->t0;
for (i = width / 16; i; --i) {
movq_m2r (*bot, mm0);
movq_m2r (*top, mm1);
movq_m2r (*(bot + 8), mm2);
movq_m2r (*(top + 8), mm3);
movq_m2r (*(bot + 16), mm4);
movq_m2r (*(top + 16), mm5);
movq_m2r (*(bot + 24), mm6);
movq_m2r (*(top + 24), mm7);
pand_m2r (shiftmask, mm0);
pand_m2r (shiftmask, mm1);
pand_m2r (shiftmask, mm2);
pand_m2r (shiftmask, mm3);
pand_m2r (shiftmask, mm4);
pand_m2r (shiftmask, mm5);
pand_m2r (shiftmask, mm6);
pand_m2r (shiftmask, mm7);
psrlw_i2r (1, mm0);
psrlw_i2r (1, mm1);
psrlw_i2r (1, mm2);
psrlw_i2r (1, mm3);
psrlw_i2r (1, mm4);
psrlw_i2r (1, mm5);
psrlw_i2r (1, mm6);
psrlw_i2r (1, mm7);
paddb_r2r (mm1, mm0);
paddb_r2r (mm3, mm2);
paddb_r2r (mm5, mm4);
paddb_r2r (mm7, mm6);
movq_r2m (mm0, *out);
movq_r2m (mm2, *(out + 8));
movq_r2m (mm4, *(out + 16));
movq_r2m (mm6, *(out + 24));
out += 32;
top += 32;
bot += 32;
}
width = (width & 0xf);
for (i = width / 4; i; --i) {
movq_m2r (*bot, mm0);
movq_m2r (*top, mm1);
pand_m2r (shiftmask, mm0);
pand_m2r (shiftmask, mm1);
psrlw_i2r (1, mm0);
psrlw_i2r (1, mm1);
paddb_r2r (mm1, mm0);
movq_r2m (mm0, *out);
out += 8;
top += 8;
bot += 8;
}
width = width & 0x7;
/* Handle last few pixels. */
for (i = width * 2; i; --i) {
*out++ = ((*top++) + (*bot++)) >> 1;
}
emms ();
}
static void interpolate_packed422_scanline_mmx( uint8_t *output, uint8_t *top,
uint8_t *bot, int width )
{
const mmx_t shiftmask = { 0xfefffefffefffeffULL }; /* To avoid shifting chroma to luma. */
int i;
for( i = width/16; i; --i ) {
movq_m2r( *bot, mm0 );
movq_m2r( *top, mm1 );
movq_m2r( *(bot + 8), mm2 );
movq_m2r( *(top + 8), mm3 );
movq_m2r( *(bot + 16), mm4 );
movq_m2r( *(top + 16), mm5 );
movq_m2r( *(bot + 24), mm6 );
movq_m2r( *(top + 24), mm7 );
pand_m2r( shiftmask, mm0 );
pand_m2r( shiftmask, mm1 );
pand_m2r( shiftmask, mm2 );
pand_m2r( shiftmask, mm3 );
pand_m2r( shiftmask, mm4 );
pand_m2r( shiftmask, mm5 );
pand_m2r( shiftmask, mm6 );
pand_m2r( shiftmask, mm7 );
psrlw_i2r( 1, mm0 );
psrlw_i2r( 1, mm1 );
psrlw_i2r( 1, mm2 );
psrlw_i2r( 1, mm3 );
psrlw_i2r( 1, mm4 );
psrlw_i2r( 1, mm5 );
psrlw_i2r( 1, mm6 );
psrlw_i2r( 1, mm7 );
paddb_r2r( mm1, mm0 );
paddb_r2r( mm3, mm2 );
paddb_r2r( mm5, mm4 );
paddb_r2r( mm7, mm6 );
movq_r2m( mm0, *output );
movq_r2m( mm2, *(output + 8) );
movq_r2m( mm4, *(output + 16) );
movq_r2m( mm6, *(output + 24) );
output += 32;
top += 32;
bot += 32;
}
width = (width & 0xf);
for( i = width/4; i; --i ) {
movq_m2r( *bot, mm0 );
movq_m2r( *top, mm1 );
pand_m2r( shiftmask, mm0 );
pand_m2r( shiftmask, mm1 );
psrlw_i2r( 1, mm0 );
psrlw_i2r( 1, mm1 );
paddb_r2r( mm1, mm0 );
movq_r2m( mm0, *output );
output += 8;
top += 8;
bot += 8;
}
width = width & 0x7;
/* Handle last few pixels. */
for( i = width * 2; i; --i ) {
*output++ = ((*top++) + (*bot++)) >> 1;
}
emms();
}
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();
}
