---
libswscale/bfin/internal_bfin.S | 968 +++++++++++++++++++-------------------
1 files changed, 484 insertions(+), 484 deletions(-)
diff --git a/libswscale/bfin/internal_bfin.S b/libswscale/bfin/internal_bfin.S
index 9f985e7..1f46cb5 100644
--- a/libswscale/bfin/internal_bfin.S
+++ b/libswscale/bfin/internal_bfin.S
@@ -30,11 +30,11 @@ and converts it to RGB565. R:5 bits, G:6 bits, B:5 bits..
packed into shorts.
The following calculation is used for the conversion:
- r = clipz((y-oy)*cy + crv*(v-128))
- g = clipz((y-oy)*cy + cgv*(v-128) + cgu*(u-128))
- b = clipz((y-oy)*cy + cbu*(u-128))
+ r = clipz((y - oy) * cy + crv * (v - 128))
+ g = clipz((y - oy) * cy + cgv * (v - 128) + cgu * (u - 128))
+ b = clipz((y - oy) * cy + cbu * (u - 128))
-y,u,v are prescaled by a factor of 4 i.e. left-shifted to gain precision.
+y, u, v are prescaled by a factor of 4 i.e. left-shifted to gain precision.
New factorization to eliminate the truncation error which was
@@ -47,7 +47,7 @@ occurring due to the byteop3p.
2) Scale operands up by a factor of 4 not 8 because Blackfin
multiplies include a shift.
-3) Compute into the accumulators cy*yx0, cy*yx1.
+3) Compute into the accumulators cy * yx0, cy * yx1.
4) Compute each of the linear equations:
r = clipz((y - oy) * cy + crv * (v - 128))
@@ -73,7 +73,7 @@ occurring due to the byteop3p.
Where coeffs have the following layout in memory.
-uint32_t oy,oc,zero,cy,crv,rmask,cbu,bmask,cgu,cgv;
+uint32_t oy, oc, zero, cy, crv, rmask, cbu, bmask, cgu, cgv;
coeffs is a pointer to oy.
@@ -101,359 +101,359 @@ to do with the memory system.
#endif
#define MEM mL1
-#define DEFUN(fname,where,interface) \
- .section where; \
- .global _ff_bfin_ ## fname; \
- .type _ff_bfin_ ## fname, STT_FUNC; \
- .align 8; \
- _ff_bfin_ ## fname
+#define DEFUN(fname, where, interface) \
+ .section where; \
+ .global _ff_bfin_ ## fname; \
+ .type _ff_bfin_ ## fname, STT_FUNC; \
+ .align 8; \
+ _ff_bfin_ ## fname
-#define DEFUN_END(fname) \
- .size _ff_bfin_ ## fname, . - _ff_bfin_ ## fname
+#define DEFUN_END(fname) \
+ .size _ff_bfin_ ## fname, . - _ff_bfin_ ## fname
.text
-#define COEFF_LEN 11*4
-#define COEFF_REL_CY_OFF 4*4
+#define COEFF_LEN 11 * 4
+#define COEFF_REL_CY_OFF 4 * 4
#define ARG_OUT 20
#define ARG_W 24
#define ARG_COEFF 28
-DEFUN(yuv2rgb565_line,MEM,
- (uint8_t *Y, uint8_t *U, uint8_t *V, int *out, int dW, uint32_t *coeffs)):
- link 0;
- [--sp] = (r7:4);
- p1 = [fp+ARG_OUT];
- r3 = [fp+ARG_W];
-
- i0 = r0;
- i2 = r1;
- i3 = r2;
-
- r0 = [fp+ARG_COEFF];
- i1 = r0;
- b1 = i1;
- l1 = COEFF_LEN;
- m0 = COEFF_REL_CY_OFF;
- p0 = r3;
-
- r0 = [i0++]; // 2Y
- r1.l = w[i2++]; // 2u
- r1.h = w[i3++]; // 2v
- p0 = p0>>2;
-
- lsetup (.L0565, .L1565) lc0 = p0;
-
- /*
- uint32_t oy,oc,zero,cy,crv,rmask,cbu,bmask,cgu,cgv
- r0 -- used to load 4ys
- r1 -- used to load 2us,2vs
- r4 -- y3,y2
- r5 -- y1,y0
- r6 -- u1,u0
- r7 -- v1,v0
- */
- r2=[i1++]; // oy
+DEFUN(yuv2rgb565_line, MEM,
+ (uint8_t *Y, uint8_t *U, uint8_t *V, int *out, int dW, uint32_t
*coeffs)):
+ link 0;
+ [--sp] = (r7:4);
+ p1 = [fp + ARG_OUT];
+ r3 = [fp + ARG_W];
+
+ i0 = r0;
+ i2 = r1;
+ i3 = r2;
+
+ r0 = [fp + ARG_COEFF];
+ i1 = r0;
+ b1 = i1;
+ l1 = COEFF_LEN;
+ m0 = COEFF_REL_CY_OFF;
+ p0 = r3;
+
+ r0 = [i0++]; // 2Y
+ r1.l = w[i2++]; // 2u
+ r1.h = w[i3++]; // 2v
+ p0 = p0 >> 2;
+
+ lsetup (.L0565, .L1565) lc0 = p0;
+
+ /*
+ uint32_t oy, oc, zero, cy, crv, rmask, cbu, bmask, cgu, cgv
+ r0 -- used to load 4ys
+ r1 -- used to load 2us, 2vs
+ r4 -- y3, y2
+ r5 -- y1, y0
+ r6 -- u1, u0
+ r7 -- v1, v0
+ */
+ r2 = [i1++]; // oy
.L0565:
- /*
- rrrrrrrr gggggggg bbbbbbbb
- 5432109876543210
- bbbbb >>3
- gggggggg <<3
- rrrrrrrr <<8
- rrrrrggggggbbbbb
- */
- (r4,r5) = byteop16m (r1:0, r3:2) || r3=[i1++]; // oc
- (r7,r6) = byteop16m (r1:0, r3:2) (r);
- r5 = r5 << 2 (v); //
y1,y0
- r4 = r4 << 2 (v); //
y3,y2
- r6 = r6 << 2 (v) || r0=[i1++]; //
u1,u0, r0=zero
- r7 = r7 << 2 (v) || r1=[i1++]; //
v1,v0 r1=cy
- /* Y' = y*cy */
- a1 = r1.h*r5.h, a0 = r1.l*r5.l || r1=[i1++]; // crv
-
- /* R = Y+ crv*(Cr-128) */
- r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l);
- a1 -= r1.h*r7.l, a0 -= r1.l*r7.l || r5=[i1++]; //
rmask
- r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu
- r2 = r2 >> 3 (v);
- r3 = r2 & r5;
-
- /* B = Y+ cbu*(Cb-128) */
- r2.h = (a1 += r1.h*r6.l), r2.l = (a0 += r1.l*r6.l);
- a1 -= r1.h*r6.l, a0 -= r1.l*r6.l || r5=[i1++]; //
bmask
- r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu
- r2 = r2 << 8 (v);
- r2 = r2 & r5;
- r3 = r3 | r2;
-
- /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */
- a1 += r1.h*r6.l, a0 += r1.l*r6.l || r1=[i1++]; // cgv
- r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l);
- r2 = byteop3p(r3:2, r1:0)(LO) || r5=[i1++m0]; //
gmask
- r2 = r2 << 3 (v);
- r2 = r2 & r5;
- r3 = r3 | r2;
- [p1++]=r3 || r1=[i1++]; // cy
-
- /* Y' = y*cy */
-
- a1 = r1.h*r4.h, a0 = r1.l*r4.l || r1=[i1++]; // crv
-
- /* R = Y+ crv*(Cr-128) */
- r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h);
- a1 -= r1.h*r7.h, a0 -= r1.l*r7.h || r5=[i1++]; //
rmask
- r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu
- r2 = r2 >> 3 (v);
- r3 = r2 & r5;
-
- /* B = Y+ cbu*(Cb-128) */
- r2.h = (a1 += r1.h*r6.h), r2.l = (a0 += r1.l*r6.h);
- a1 -= r1.h*r6.h, a0 -= r1.l*r6.h || r5=[i1++]; //
bmask
- r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu
- r2 = r2 << 8 (v);
- r2 = r2 & r5;
- r3 = r3 | r2;
-
- /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */
- a1 += r1.h*r6.h, a0 += r1.l*r6.h || r1=[i1++]; // cgv
- r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h) || r5=[i1++]; //
gmask
- r2 = byteop3p(r3:2, r1:0)(LO) || r0 = [i0++];
// 2Y
- r2 = r2 << 3 (v) || r1.l = w[i2++];
// 2u
- r2 = r2 & r5;
- r3 = r3 | r2;
- [p1++]=r3 || r1.h = w[i3++];
// 2v
-.L1565: r2=[i1++]; // oy
-
- l1 = 0;
-
- (r7:4) = [sp++];
- unlink;
- rts;
+ /*
+ rrrrrrrr gggggggg bbbbbbbb
+ 5432109876543210
+ bbbbb >> 3
+ gggggggg << 3
+ rrrrrrrr << 8
+ rrrrrggggggbbbbb
+ */
+ (r4, r5) = byteop16m (r1:0, r3:2) || r3 = [i1++]; // oc
+ (r7, r6) = byteop16m3C (r1:0, r3:2) (r);
+ r5 = r5 << 2 (v); // y1,
y0
+ r4 = r4 << 2 (v); // y3,
y2
+ r6 = r6 << 2 (v) || r0 = [i1++]; // u1,
u0, r0 = zero
+ r7 = r7 << 2 (v) || r1 = [i1++]; // v1,
v0, r1 = cy
+ /* Y' = y * cy */
+ a1 = r1.h * r5.h, a0 = r1.l * r5.l || r1 = [i1++]; // crv
+
+ /* R = Y + crv * (Cr - 128) */
+ r2.h = (a1 += r1.h * r7.l), r2.l = (a0 += r1.l * r7.l);
+ a1 -= r1.h * r7.l, a0 -= r1.l * r7.l || r5 = [i1++]; //
rmask
+ r2 = byteop3p(r3:2, r1:0)(LO) || r1 = [i1++]; //
cbu
+ r2 = r2 >> 3 (v);
+ r3 = r2 & r5;
+
+ /* B = Y + cbu * (Cb - 128) */
+ r2.h = (a1 += r1.h * r6.l), r2.l = (a0 += r1.l * r6.l);
+ a1 -= r1.h * r6.l, a0 -= r1.l * r6.l || r5 = [i1++]; //
bmask
+ r2 = byteop3p(r3:2, r1:0)(LO) || r1 = [i1++]; //
cgu
+ r2 = r2 << 8 (v);
+ r2 = r2 & r5;
+ r3 = r3 | r2;
+
+ /* G = Y + cgu * (Cb - 128) + cgv * (Cr - 128) */
+ a1 += r1.h * r6.l, a0 += r1.l * r6.l || r1 = [i1++]; //
cgv
+ r2.h = (a1 += r1.h * r7.l), r2.l = (a0 += r1.l * r7.l);
+ r2 = byteop3p(r3:2, r1:0)(LO) || r5 = [i1++m0];
// gmask
+ r2 = r2 << 3 (v);
+ r2 = r2 & r5;
+ r3 = r3 | r2;
+ [p1++] = r3 || r1 = [i1++]; //
cy
+
+ /* Y' = y * cy */
+
+ a1 = r1.h * r4.h, a0 = r1.l * r4.l || r1 = [i1++]; //
crv
+
+ /* R = Y + crv * (Cr - 128) */
+ r2.h = (a1 += r1.h * r7.h), r2.l = (a0 += r1.l * r7.h);
+ a1 -= r1.h * r7.h, a0 -= r1.l * r7.h || r5 = [i1++]; //
rmask
+ r2 = byteop3p(r3:2, r1:0)(LO) || r1 = [i1++]; //
cbu
+ r2 = r2 >> 3 (v);
+ r3 = r2 & r5;
+
+ /* B = Y + cbu * (Cb - 128) */
+ r2.h = (a1 += r1.h * r6.h), r2.l = (a0 += r1.l * r6.h);
+ a1 -= r1.h * r6.h, a0 -= r1.l * r6.h || r5 = [i1++]; //
bmask
+ r2 = byteop3p(r3:2, r1:0)(LO) || r1 = [i1++]; //
cgu
+ r2 = r2 << 8 (v);
+ r2 = r2 & r5;
+ r3 = r3 | r2;
+
+ /* G = Y + cgu * (Cb - 128) + cgv * (Cr - 128) */
+ a1 += r1.h * r6.h, a0 += r1.l * r6.h || r1 = [i1++]; //
cgv
+ r2.h = (a1 += r1.h * r7.h), r2.l = (a0 += r1.l * r7.h) || r5 = [i1++]; //
gmask
+ r2 = byteop3p(r3:2, r1:0)(LO) || r0 = [i0++];
// 2Y
+ r2 = r2 << 3 (v) || r1.l = w[i2++];
// 2u
+ r2 = r2 & r5;
+ r3 = r3 | r2;
+ [p1++] = r3 || r1.h = w[i3++];
// 2v
+.L1565: r2 = [i1++];
// oy
+
+ l1 = 0;
+
+ (r7:4) = [sp++];
+ unlink;
+ rts;
DEFUN_END(yuv2rgb565_line)
-DEFUN(yuv2rgb555_line,MEM,
- (uint8_t *Y, uint8_t *U, uint8_t *V, int *out, int dW, uint32_t *coeffs)):
- link 0;
- [--sp] = (r7:4);
- p1 = [fp+ARG_OUT];
- r3 = [fp+ARG_W];
-
- i0 = r0;
- i2 = r1;
- i3 = r2;
-
- r0 = [fp+ARG_COEFF];
- i1 = r0;
- b1 = i1;
- l1 = COEFF_LEN;
- m0 = COEFF_REL_CY_OFF;
- p0 = r3;
-
- r0 = [i0++]; // 2Y
- r1.l = w[i2++]; // 2u
- r1.h = w[i3++]; // 2v
- p0 = p0>>2;
-
- lsetup (.L0555, .L1555) lc0 = p0;
-
- /*
- uint32_t oy,oc,zero,cy,crv,rmask,cbu,bmask,cgu,cgv
- r0 -- used to load 4ys
- r1 -- used to load 2us,2vs
- r4 -- y3,y2
- r5 -- y1,y0
- r6 -- u1,u0
- r7 -- v1,v0
- */
- r2=[i1++]; // oy
+DEFUN(yuv2rgb555_line, MEM,
+ (uint8_t *Y, uint8_t *U, uint8_t *V, int *out, int dW, uint32_t
*coeffs)):
+ link 0;
+ [--sp] = (r7:4);
+ p1 = [fp + ARG_OUT];
+ r3 = [fp + ARG_W];
+
+ i0 = r0;
+ i2 = r1;
+ i3 = r2;
+
+ r0 = [fp + ARG_COEFF];
+ i1 = r0;
+ b1 = i1;
+ l1 = COEFF_LEN;
+ m0 = COEFF_REL_CY_OFF;
+ p0 = r3;
+
+ r0 = [i0++]; // 2Y
+ r1.l = w[i2++]; // 2u
+ r1.h = w[i3++]; // 2v
+ p0 = p0 >> 2;
+
+ lsetup (.L0555, .L1555) lc0 = p0;
+
+ /*
+ uint32_t oy, oc, zero, cy, crv, rmask, cbu, bmask, cgu, cgv
+ r0 -- used to load 4ys
+ r1 -- used to load 2us, 2vs
+ r4 -- y3, y2
+ r5 -- y1, y0
+ r6 -- u1, u0
+ r7 -- v1, v0
+ */
+ r2 = [i1++]; // oy
.L0555:
- /*
- rrrrrrrr gggggggg bbbbbbbb
- 5432109876543210
- bbbbb >>3
- gggggggg <<2
- rrrrrrrr <<7
- xrrrrrgggggbbbbb
- */
-
- (r4,r5) = byteop16m (r1:0, r3:2) || r3=[i1++]; // oc
- (r7,r6) = byteop16m (r1:0, r3:2) (r);
- r5 = r5 << 2 (v); //
y1,y0
- r4 = r4 << 2 (v); //
y3,y2
- r6 = r6 << 2 (v) || r0=[i1++]; //
u1,u0, r0=zero
- r7 = r7 << 2 (v) || r1=[i1++]; //
v1,v0 r1=cy
- /* Y' = y*cy */
- a1 = r1.h*r5.h, a0 = r1.l*r5.l || r1=[i1++]; // crv
-
- /* R = Y+ crv*(Cr-128) */
- r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l);
- a1 -= r1.h*r7.l, a0 -= r1.l*r7.l || r5=[i1++]; //
rmask
- r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu
- r2 = r2 >> 3 (v);
- r3 = r2 & r5;
-
- /* B = Y+ cbu*(Cb-128) */
- r2.h = (a1 += r1.h*r6.l), r2.l = (a0 += r1.l*r6.l);
- a1 -= r1.h*r6.l, a0 -= r1.l*r6.l || r5=[i1++]; //
bmask
- r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu
- r2 = r2 << 7 (v);
- r2 = r2 & r5;
- r3 = r3 | r2;
-
- /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */
- a1 += r1.h*r6.l, a0 += r1.l*r6.l || r1=[i1++]; // cgv
- r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l);
- r2 = byteop3p(r3:2, r1:0)(LO) || r5=[i1++m0]; //
gmask
- r2 = r2 << 2 (v);
- r2 = r2 & r5;
- r3 = r3 | r2;
- [p1++]=r3 || r1=[i1++]; // cy
-
- /* Y' = y*cy */
-
- a1 = r1.h*r4.h, a0 = r1.l*r4.l || r1=[i1++]; // crv
-
- /* R = Y+ crv*(Cr-128) */
- r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h);
- a1 -= r1.h*r7.h, a0 -= r1.l*r7.h || r5=[i1++]; //
rmask
- r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu
- r2 = r2 >> 3 (v);
- r3 = r2 & r5;
-
- /* B = Y+ cbu*(Cb-128) */
- r2.h = (a1 += r1.h*r6.h), r2.l = (a0 += r1.l*r6.h);
- a1 -= r1.h*r6.h, a0 -= r1.l*r6.h || r5=[i1++]; //
bmask
- r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu
- r2 = r2 << 7 (v);
- r2 = r2 & r5;
- r3 = r3 | r2;
-
- /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */
- a1 += r1.h*r6.h, a0 += r1.l*r6.h || r1=[i1++]; // cgv
- r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h) || r5=[i1++]; //
gmask
- r2 = byteop3p(r3:2, r1:0)(LO) || r0=[i0++];
// 4Y
- r2 = r2 << 2 (v) || r1.l=w[i2++];
// 2u
- r2 = r2 & r5;
- r3 = r3 | r2;
- [p1++]=r3 || r1.h=w[i3++]; //
2v
-
-.L1555: r2=[i1++]; // oy
-
- l1 = 0;
-
- (r7:4) = [sp++];
- unlink;
- rts;
+ /*
+ rrrrrrrr gggggggg bbbbbbbb
+ 5432109876543210
+ bbbbb >> 3
+ gggggggg << 2
+ rrrrrrrr << 7
+ xrrrrrgggggbbbbb
+ */
+
+ (r4, r5) = byteop16m (r1:0, r3:2) || r3 = [i1++]; // oc
+ (r7, r6) = byteop16m (r1:0, r3:2) (r);
+ r5 = r5 << 2 (v); // y1,
y0
+ r4 = r4 << 2 (v); // y3,
y2
+ r6 = r6 << 2 (v) || r0 = [i1++]; // u1,
u0, r0 = zero
+ r7 = r7 << 2 (v) || r1 = [i1++]; // v1,
v0 r1 = cy
+ /* Y' = y * cy */
+ a1 = r1.h * r5.h, a0 = r1.l * r5.l || r1 = [i1++]; // crv
+
+ /* R = Y + crv * (Cr - 128) */
+ r2.h = (a1 += r1.h * r7.l), r2.l = (a0 += r1.l * r7.l);
+ a1 -= r1.h * r7.l, a0 -= r1.l * r7.l || r5 = [i1++]; //
rmask
+ r2 = byteop3p(r3:2, r1:0)(LO) || r1 = [i1++]; //
cbu
+ r2 = r2 >> 3 (v);
+ r3 = r2 & r5;
+
+ /* B = Y + cbu * (Cb - 128) */
+ r2.h = (a1 += r1.h * r6.l), r2.l = (a0 += r1.l * r6.l);
+ a1 -= r1.h * r6.l, a0 -= r1.l * r6.l || r5 = [i1++]; //
bmask
+ r2 = byteop3p(r3:2, r1:0)(LO) || r1 = [i1++]; //
cgu
+ r2 = r2 << 7 (v);
+ r2 = r2 & r5;
+ r3 = r3 | r2;
+
+ /* G = Y + cgu * (Cb - 128) + cgv * (Cr - 128) */
+ a1 += r1.h * r6.l, a0 += r1.l * r6.l || r1 = [i1++]; //
cgv
+ r2.h = (a1 += r1.h * r7.l), r2.l = (a0 += r1.l * r7.l);
+ r2 = byteop3p(r3:2, r1:0)(LO) || r5 = [i1++m0];
// gmask
+ r2 = r2 << 2 (v);
+ r2 = r2 & r5;
+ r3 = r3 | r2;
+ [p1++] = r3 || r1 = [i1++]; //
cy
+
+ /* Y' = y * cy */
+
+ a1 = r1.h * r4.h, a0 = r1.l * r4.l || r1 = [i1++]; //
crv
+
+ /* R = Y + crv * (Cr - 128) */
+ r2.h = (a1 += r1.h * r7.h), r2.l = (a0 += r1.l * r7.h);
+ a1 -= r1.h * r7.h, a0 -= r1.l * r7.h || r5 = [i1++]; //
rmask
+ r2 = byteop3p(r3:2, r1:0)(LO) || r1 = [i1++]; //
cbu
+ r2 = r2 >> 3 (v);
+ r3 = r2 & r5;
+
+ /* B = Y + cbu * (Cb - 128) */
+ r2.h = (a1 += r1.h * r6.h), r2.l = (a0 += r1.l * r6.h);
+ a1 -= r1.h * r6.h, a0 -= r1.l * r6.h || r5 = [i1++]; //
bmask
+ r2 = byteop3p(r3:2, r1:0)(LO) || r1 = [i1++]; //
cgu
+ r2 = r2 << 7 (v);
+ r2 = r2 & r5;
+ r3 = r3 | r2;
+
+ /* G = Y + cgu * (Cb - 128) + cgv * (Cr - 128) */
+ a1 += r1.h * r6.h, a0 += r1.l * r6.h || r1 = [i1++]; //
cgv
+ r2.h = (a1 += r1.h * r7.h), r2.l = (a0 += r1.l * r7.h) || r5 = [i1++]; //
gmask
+ r2 = byteop3p(r3:2, r1:0)(LO) || r0 = [i0++];
// 4Y
+ r2 = r2 << 2 (v) || r1.l = w[i2++];
// 2u
+ r2 = r2 & r5;
+ r3 = r3 | r2;
+ [p1++] = r3 || r1.h = w[i3++];
// 2v
+
+.L1555: r2 = [i1++];
// oy
+
+ l1 = 0;
+
+ (r7:4) = [sp++];
+ unlink;
+ rts;
DEFUN_END(yuv2rgb555_line)
-DEFUN(yuv2rgb24_line,MEM,
+DEFUN(yuv2rgb24_line, MEM,
(uint8_t *Y, uint8_t *U, uint8_t *V, int *out, int dW, uint32_t *coeffs)):
- link 0;
- [--sp] = (r7:4);
- p1 = [fp+ARG_OUT];
- r3 = [fp+ARG_W];
- p2 = p1;
- p2 += 3;
-
- i0 = r0;
- i2 = r1;
- i3 = r2;
-
- r0 = [fp+ARG_COEFF]; // coeff buffer
- i1 = r0;
- b1 = i1;
- l1 = COEFF_LEN;
- m0 = COEFF_REL_CY_OFF;
- p0 = r3;
-
- r0 = [i0++]; // 2Y
- r1.l = w[i2++]; // 2u
- r1.h = w[i3++]; // 2v
- p0 = p0>>2;
-
- lsetup (.L0888, .L1888) lc0 = p0;
-
- /*
- uint32_t oy,oc,zero,cy,crv,rmask,cbu,bmask,cgu,cgv
- r0 -- used to load 4ys
- r1 -- used to load 2us,2vs
- r4 -- y3,y2
- r5 -- y1,y0
- r6 -- u1,u0
- r7 -- v1,v0
- */
- r2=[i1++]; // oy
+ link 0;
+ [--sp] = (r7:4);
+ p1 = [fp + ARG_OUT];
+ r3 = [fp + ARG_W];
+ p2 = p1;
+ p2 += 3;
+
+ i0 = r0;
+ i2 = r1;
+ i3 = r2;
+
+ r0 = [fp + ARG_COEFF]; // coeff buffer
+ i1 = r0;
+ b1 = i1;
+ l1 = COEFF_LEN;
+ m0 = COEFF_REL_CY_OFF;
+ p0 = r3;
+
+ r0 = [i0++]; // 2Y
+ r1.l = w[i2++]; // 2u
+ r1.h = w[i3++]; // 2v
+ p0 = p0 >> 2;
+
+ lsetup (.L0888, .L1888) lc0 = p0;
+
+ /*
+ uint32_t oy, oc, zero, cy, crv, rmask, cbu, bmask, cgu, cgv
+ r0 -- used to load 4ys
+ r1 -- used to load 2us, 2vs
+ r4 -- y3, y2
+ r5 -- y1, y0
+ r6 -- u1, u0
+ r7 -- v1, v0
+ */
+ r2 = [i1++]; // oy
.L0888:
- (r4,r5) = byteop16m (r1:0, r3:2) || r3=[i1++]; // oc
- (r7,r6) = byteop16m (r1:0, r3:2) (r);
- r5 = r5 << 2 (v); // y1,y0
- r4 = r4 << 2 (v); // y3,y2
- r6 = r6 << 2 (v) || r0=[i1++]; // u1,u0, r0=zero
- r7 = r7 << 2 (v) || r1=[i1++]; // v1,v0 r1=cy
-
- /* Y' = y*cy */
- a1 = r1.h*r5.h, a0 = r1.l*r5.l || r1=[i1++]; // crv
-
- /* R = Y+ crv*(Cr-128) */
- r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l);
- a1 -= r1.h*r7.l, a0 -= r1.l*r7.l || r5=[i1++]; //
rmask
- r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu
- r2=r2>>16 || B[p1++]=r2;
- B[p2++]=r2;
-
- /* B = Y+ cbu*(Cb-128) */
- r2.h = (a1 += r1.h*r6.l), r2.l = (a0 += r1.l*r6.l);
- a1 -= r1.h*r6.l, a0 -= r1.l*r6.l || r5=[i1++]; //
bmask
- r3 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu
-
- /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */
- a1 += r1.h*r6.l, a0 += r1.l*r6.l || r1=[i1++]; // cgv
- r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l);
- r2 = byteop3p(r3:2, r1:0)(LO) || r5=[i1++m0]; //
gmask, oy,cy,zero
-
- r2=r2>>16 || B[p1++]=r2;
- B[p2++]=r2;
-
- r3=r3>>16 || B[p1++]=r3;
- B[p2++]=r3 || r1=[i1++]; // cy
-
- p1+=3;
- p2+=3;
- /* Y' = y*cy */
- a1 = r1.h*r4.h, a0 = r1.l*r4.l || r1=[i1++]; // crv
-
- /* R = Y+ crv*(Cr-128) */
- r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h);
- a1 -= r1.h*r7.h, a0 -= r1.l*r7.h || r5=[i1++]; //
rmask
- r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu
- r2=r2>>16 || B[p1++]=r2;
- B[p2++]=r2;
-
- /* B = Y+ cbu*(Cb-128) */
- r2.h = (a1 += r1.h*r6.h), r2.l = (a0 += r1.l*r6.h);
- a1 -= r1.h*r6.h, a0 -= r1.l*r6.h || r5=[i1++]; //
bmask
- r3 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu
-
- /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */
- a1 += r1.h*r6.h, a0 += r1.l*r6.h || r1=[i1++]; // cgv
- r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h);
- r2 = byteop3p(r3:2, r1:0)(LO) || r5=[i1++]; //
gmask
- r2=r2>>16 || B[p1++]=r2 || r0 = [i0++]; // 4y
- B[p2++]=r2 || r1.l = w[i2++]; // 2u
- r3=r3>>16 || B[p1++]=r3 || r1.h = w[i3++]; // 2v
- B[p2++]=r3 || r2=[i1++]; // oy
-
- p1+=3;
-.L1888: p2+=3;
-
- l1 = 0;
-
- (r7:4) = [sp++];
- unlink;
- rts;
+ (r4, r5) = byteop16m (r1:0, r3:2) || r3 = [i1++]; // oc
+ (r7, r6) = byteop16m (r1:0, r3:2) (r);
+ r5 = r5 << 2 (v); // y1, y0
+ r4 = r4 << 2 (v); // y3, y2
+ r6 = r6 << 2 (v) || r0 = [i1++]; // u1, u0, r0 = zero
+ r7 = r7 << 2 (v) || r1 = [i1++]; // v1, v0 r1 = cy
+
+ /* Y' = y * cy */
+ a1 = r1.h * r5.h, a0 = r1.l * r5.l || r1 = [i1++]; //
crv
+
+ /* R = Y + crv * (Cr - 128) */
+ r2.h = (a1 += r1.h * r7.l), r2.l = (a0 += r1.l * r7.l);
+ a1 -= r1.h * r7.l, a0 -= r1.l * r7.l || r5 = [i1++]; //
rmask
+ r2 = byteop3p(r3:2, r1:0)(LO) || r1 = [i1++]; //
cbu
+ r2 = r2 >> 16 || B[p1++] = r2;
+ B[p2++] = r2;
+
+ /* B = Y + cbu * (Cb - 128) */
+ r2.h = (a1 += r1.h * r6.l), r2.l = (a0 += r1.l * r6.l);
+ a1 -= r1.h * r6.l, a0 -= r1.l * r6.l || r5 = [i1++]; //
bmask
+ r3 = byteop3p(r3:2, r1:0)(LO) || r1 = [i1++]; //
cgu
+
+ /* G = Y + cgu * (Cb - 128) + cgv * (Cr - 128) */
+ a1 += r1.h * r6.l, a0 += r1.l * r6.l || r1 = [i1++]; //
cgv
+ r2.h = (a1 += r1.h * r7.l), r2.l = (a0 += r1.l * r7.l);
+ r2 = byteop3p(r3:2, r1:0)(LO) || r5 = [i1++m0]; //
gmask, oy, cy, zero
+
+ r2 = r2 >> 16 || B[p1++] = r2;
+ B[p2++] = r2;
+
+ r3 = r3 >> 16 || B[p1++] = r3;
+ B[p2++] = r3 || r1 = [i1++]; // cy
+
+ p1 += 3;
+ p2 += 3;
+ /* Y' = y * cy */
+ a1 = r1.h * r4.h, a0 = r1.l * r4.l || r1 = [i1++]; //
crv
+
+ /* R = Y + crv * (Cr - 128) */
+ r2.h = (a1 += r1.h * r7.h), r2.l = (a0 += r1.l * r7.h);
+ a1 -= r1.h * r7.h, a0 -= r1.l * r7.h || r5 = [i1++]; //
rmask
+ r2 = byteop3p(r3:2, r1:0)(LO) || r1 = [i1++]; //
cbu
+ r2 = r2 >> 16 || B[p1++] = r2;
+ B[p2++] = r2;
+
+ /* B = Y + cbu * (Cb - 128) */
+ r2.h = (a1 += r1.h * r6.h), r2.l = (a0 += r1.l * r6.h);
+ a1 -= r1.h * r6.h, a0 -= r1.l * r6.h || r5 = [i1++]; //
bmask
+ r3 = byteop3p(r3:2, r1:0)(LO) || r1 = [i1++]; //
cgu
+
+ /* G = Y + cgu * (Cb - 128) + cgv * (Cr - 128) */
+ a1 += r1.h * r6.h, a0 += r1.l * r6.h || r1 = [i1++]; //
cgv
+ r2.h = (a1 += r1.h * r7.h), r2.l = (a0 += r1.l * r7.h);
+ r2 = byteop3p(r3:2, r1:0)(LO) || r5 = [i1++]; //
gmask
+ r2 = r2 >> 16 || B[p1++] = r2 || r0 = [i0++]; // 4y
+ B[p2++] = r2 || r1.l = w[i2++]; // 2u
+ r3 = r3 >> 16 || B[p1++] = r3 || r1.h = w[i3++]; // 2v
+ B[p2++] = r3 || r2 = [i1++]; // oy
+
+ p1 += 3;
+.L1888: p2 += 3;
+
+ l1 = 0;
+
+ (r7:4) = [sp++];
+ unlink;
+ rts;
DEFUN_END(yuv2rgb24_line)
@@ -465,149 +465,149 @@ DEFUN_END(yuv2rgb24_line)
#define ARG_chromStride 36
#define ARG_srcStride 40
-DEFUN(uyvytoyv12, mL3, (const uint8_t *src, uint8_t *ydst, uint8_t *udst,
uint8_t *vdst,
- int width, int height,
- int lumStride, int chromStride, int srcStride)):
- link 0;
- [--sp] = (r7:4,p5:4);
-
- p0 = r1; // Y top even
-
- i2 = r2; // *u
- r2 = [fp + ARG_vdst];
- i3 = r2; // *v
-
- r1 = [fp + ARG_srcStride];
- r2 = r0 + r1;
- i0 = r0; // uyvy_T even
- i1 = r2; // uyvy_B odd
-
- p2 = [fp + ARG_lumStride];
- p1 = p0 + p2; // Y bot odd
-
- p5 = [fp + ARG_width];
- p4 = [fp + ARG_height];
- r0 = p5;
- p4 = p4 >> 1;
- p5 = p5 >> 2;
-
- r2 = r0 << 1;
- r1 = r1 << 1;
- r1 = r1 - r2; // srcStride + (srcStride - 2*width)
- r1 += -8; // i0,i1 is pre read need to correct
- m0 = r1;
-
- r2 = [fp + ARG_chromStride];
- r0 = r0 >> 1;
- r2 = r2 - r0;
- m1 = r2;
-
- /* I0,I1 - src input line pointers
- * p0,p1 - luma output line pointers
- * I2 - dstU
- * I3 - dstV
- */
-
- lsetup (0f, 1f) lc1 = p4; // H/2
-0: r0 = [i0++] || r2 = [i1++];
- r1 = [i0++] || r3 = [i1++];
- r4 = byteop1p(r1:0, r3:2);
- r5 = byteop1p(r1:0, r3:2) (r);
- lsetup (2f, 3f) lc0 = p5; // W/4
-2: r0 = r0 >> 8(v);
- r1 = r1 >> 8(v);
- r2 = r2 >> 8(v);
- r3 = r3 >> 8(v);
- r0 = bytepack(r0, r1);
- r2 = bytepack(r2, r3) || [p0++] = r0; // yyyy
- r6 = pack(r5.l, r4.l) || [p1++] = r2; // yyyy
- r7 = pack(r5.h, r4.h) || r0 = [i0++] || r2 = [i1++];
- r6 = bytepack(r6, r7) || r1 = [i0++] || r3 = [i1++];
- r4 = byteop1p(r1:0, r3:2) || w[i2++] = r6.l; // uu
-3: r5 = byteop1p(r1:0, r3:2) (r) || w[i3++] = r6.h; // vv
-
- i0 += m0;
- i1 += m0;
- i2 += m1;
- i3 += m1;
- p0 = p0 + p2;
-1: p1 = p1 + p2;
-
- (r7:4,p5:4) = [sp++];
- unlink;
- rts;
+DEFUN(uyvytoyv12, mL3, (const uint8_t *src, uint8_t *ydst, uint8_t *udst,
+ uint8_t *vdst, int width, int height,
+ int lumStride, int chromStride, int srcStride)):
+ link 0;
+ [--sp] = (r7:4, p5:4);
+
+ p0 = r1; // Y top even
+
+ i2 = r2; // *u
+ r2 = [fp + ARG_vdst];
+ i3 = r2; // *v
+
+ r1 = [fp + ARG_srcStride];
+ r2 = r0 + r1;
+ i0 = r0; // uyvy_T even
+ i1 = r2; // uyvy_B odd
+
+ p2 = [fp + ARG_lumStride];
+ p1 = p0 + p2; // Y bot odd
+
+ p5 = [fp + ARG_width];
+ p4 = [fp + ARG_height];
+ r0 = p5;
+ p4 = p4 >> 1;
+ p5 = p5 >> 2;
+
+ r2 = r0 << 1;
+ r1 = r1 << 1;
+ r1 = r1 - r2; // srcStride + (srcStride - 2 * width)
+ r1 += -8; // i0, i1 is pre read need to correct
+ m0 = r1;
+
+ r2 = [fp + ARG_chromStride];
+ r0 = r0 >> 1;
+ r2 = r2 - r0;
+ m1 = r2;
+
+ /* I0, I1 - src input line pointers
+ * p0, p1 - luma output line pointers
+ * I2 - dstU
+ * I3 - dstV
+ */
+
+ lsetup (0f, 1f) lc1 = p4; // H/2
+0: r0 = [i0++] || r2 = [i1++];
+ r1 = [i0++] || r3 = [i1++];
+ r4 = byteop1p(r1:0, r3:2);
+ r5 = byteop1p(r1:0, r3:2) (r);
+ lsetup (2f, 3f) lc0 = p5; // W/4
+2: r0 = r0 >> 8(v);
+ r1 = r1 >> 8(v);
+ r2 = r2 >> 8(v);
+ r3 = r3 >> 8(v);
+ r0 = bytepack(r0, r1);
+ r2 = bytepack(r2, r3) || [p0++] = r0; // yyyy
+ r6 = pack(r5.l, r4.l) || [p1++] = r2; // yyyy
+ r7 = pack(r5.h, r4.h) || r0 = [i0++] || r2 = [i1++];
+ r6 = bytepack(r6, r7) || r1 = [i0++] || r3 = [i1++];
+ r4 = byteop1p(r1:0, r3:2) || w[i2++] = r6.l; // uu
+3: r5 = byteop1p(r1:0, r3:2) (r) || w[i3++] = r6.h; // vv
+
+ i0 += m0;
+ i1 += m0;
+ i2 += m1;
+ i3 += m1;
+ p0 = p0 + p2;
+1: p1 = p1 + p2;
+
+ (r7:4, p5:4) = [sp++];
+ unlink;
+ rts;
DEFUN_END(uyvytoyv12)
-DEFUN(yuyvtoyv12, mL3, (const uint8_t *src, uint8_t *ydst, uint8_t *udst,
uint8_t *vdst,
- int width, int height,
- int lumStride, int chromStride, int srcStride)):
- link 0;
- [--sp] = (r7:4,p5:4);
-
- p0 = r1; // Y top even
-
- i2 = r2; // *u
- r2 = [fp + ARG_vdst];
- i3 = r2; // *v
-
- r1 = [fp + ARG_srcStride];
- r2 = r0 + r1;
-
- i0 = r0; // uyvy_T even
- i1 = r2; // uyvy_B odd
-
- p2 = [fp + ARG_lumStride];
- p1 = p0 + p2; // Y bot odd
-
- p5 = [fp + ARG_width];
- p4 = [fp + ARG_height];
- r0 = p5;
- p4 = p4 >> 1;
- p5 = p5 >> 2;
-
- r2 = r0 << 1;
- r1 = r1 << 1;
- r1 = r1 - r2; // srcStride + (srcStride - 2*width)
- r1 += -8; // i0,i1 is pre read need to correct
- m0 = r1;
-
- r2 = [fp + ARG_chromStride];
- r0 = r0 >> 1;
- r2 = r2 - r0;
- m1 = r2;
-
- /* I0,I1 - src input line pointers
- * p0,p1 - luma output line pointers
- * I2 - dstU
- * I3 - dstV
- */
-
- lsetup (0f, 1f) lc1 = p4; // H/2
-0: r0 = [i0++] || r2 = [i1++];
- r1 = [i0++] || r3 = [i1++];
- r4 = bytepack(r0, r1);
- r5 = bytepack(r2, r3);
- lsetup (2f, 3f) lc0 = p5; // W/4
-2: r0 = r0 >> 8(v) || [p0++] = r4; // yyyy-even
- r1 = r1 >> 8(v) || [p1++] = r5; // yyyy-odd
- r2 = r2 >> 8(v);
- r3 = r3 >> 8(v);
- r4 = byteop1p(r1:0, r3:2);
- r5 = byteop1p(r1:0, r3:2) (r);
- r6 = pack(r5.l, r4.l);
- r7 = pack(r5.h, r4.h) || r0 = [i0++] || r2 = [i1++];
- r6 = bytepack(r6, r7) || r1 = [i0++] || r3 = [i1++];
- r4 = bytepack(r0, r1) || w[i2++] = r6.l; // uu
-3: r5 = bytepack(r2, r3) || w[i3++] = r6.h; // vv
-
- i0 += m0;
- i1 += m0;
- i2 += m1;
- i3 += m1;
- p0 = p0 + p2;
-1: p1 = p1 + p2;
-
- (r7:4,p5:4) = [sp++];
- unlink;
- rts;
+DEFUN(yuyvtoyv12, mL3, (const uint8_t *src, uint8_t *ydst, uint8_t *udst,
+ uint8_t *vdst, int width, int height,
+ int lumStride, int chromStride, int srcStride)):
+ link 0;
+ [--sp] = (r7:4, p5:4);
+
+ p0 = r1; // Y top even
+
+ i2 = r2; // *u
+ r2 = [fp + ARG_vdst];
+ i3 = r2; // *v
+
+ r1 = [fp + ARG_srcStride];
+ r2 = r0 + r1;
+
+ i0 = r0; // uyvy_T even
+ i1 = r2; // uyvy_B odd
+
+ p2 = [fp + ARG_lumStride];
+ p1 = p0 + p2; // Y bot odd
+
+ p5 = [fp + ARG_width];
+ p4 = [fp + ARG_height];
+ r0 = p5;
+ p4 = p4 >> 1;
+ p5 = p5 >> 2;
+
+ r2 = r0 << 1;
+ r1 = r1 << 1;
+ r1 = r1 - r2; // srcStride + (srcStride - 2 * width)
+ r1 += -8; // i0, i1 is pre read need to correct
+ m0 = r1;
+
+ r2 = [fp + ARG_chromStride];
+ r0 = r0 >> 1;
+ r2 = r2 - r0;
+ m1 = r2;
+
+ /* I0, I1 - src input line pointers
+ * p0, p1 - luma output line pointers
+ * I2 - dstU
+ * I3 - dstV
+ */
+
+ lsetup (0f, 1f) lc1 = p4; // H/2
+0: r0 = [i0++] || r2 = [i1++];
+ r1 = [i0++] || r3 = [i1++];
+ r4 = bytepack(r0, r1);
+ r5 = bytepack(r2, r3);
+ lsetup (2f, 3f) lc0 = p5; // W/4
+2: r0 = r0 >> 8(v) || [p0++] = r4; // yyyy-even
+ r1 = r1 >> 8(v) || [p1++] = r5; // yyyy-odd
+ r2 = r2 >> 8(v);
+ r3 = r3 >> 8(v);
+ r4 = byteop1p(r1:0, r3:2);
+ r5 = byteop1p(r1:0, r3:2) (r);
+ r6 = pack(r5.l, r4.l);
+ r7 = pack(r5.h, r4.h) || r0 = [i0++] || r2 = [i1++];
+ r6 = bytepack(r6, r7) || r1 = [i0++] || r3 = [i1++];
+ r4 = bytepack(r0, r1) || w[i2++] = r6.l; // uu
+3: r5 = bytepack(r2, r3) || w[i3++] = r6.h; // vv
+
+ i0 += m0;
+ i1 += m0;
+ i2 += m1;
+ i3 += m1;
+ p0 = p0 + p2;
+1: p1 = p1 + p2;
+
+ (r7:4, p5:4) = [sp++];
+ unlink;
+ rts;
DEFUN_END(yuyvtoyv12)
--
1.7.1
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