📄 postprocess_altivec_template.c
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(vector unsigned short)vec_mergeh(cmp##i, cmp##i); \
const vector unsigned short cmpLi##i = \
(vector unsigned short)vec_mergel(cmp##i, cmp##i); \
const vector signed short cmpHf##i = \
(vector signed short)vec_and(cmpHi##i, mask1); \
const vector signed short cmpLf##i = \
(vector signed short)vec_and(cmpLi##i, mask2); \
const vector signed int sump##i = vec_sum4s(cmpHf##i, zero); \
const vector signed int sumq##i = vec_sum4s(cmpLf##i, sump##i); \
sum##i = vec_sums(sumq##i, zero); } while (0)
COMPARE(0);
COMPARE(1);
COMPARE(2);
COMPARE(3);
COMPARE(4);
COMPARE(5);
COMPARE(6);
COMPARE(7);
COMPARE(8);
COMPARE(9);
#undef COMPARE
vector signed int sumA2;
vector signed int sumB2;
{
const vector signed int sump02 = vec_mergel(sum0, sum2);
const vector signed int sump13 = vec_mergel(sum1, sum3);
const vector signed int sumA = vec_mergel(sump02, sump13);
const vector signed int sump46 = vec_mergel(sum4, sum6);
const vector signed int sump57 = vec_mergel(sum5, sum7);
const vector signed int sumB = vec_mergel(sump46, sump57);
const vector signed int sump8A = vec_mergel(sum8, zero);
const vector signed int sump9B = vec_mergel(sum9, zero);
const vector signed int sumC = vec_mergel(sump8A, sump9B);
const vector signed int tA = vec_sl(vec_nor(zero, sumA), vuint32_16);
const vector signed int tB = vec_sl(vec_nor(zero, sumB), vuint32_16);
const vector signed int tC = vec_sl(vec_nor(zero, sumC), vuint32_16);
const vector signed int t2A = vec_or(sumA, tA);
const vector signed int t2B = vec_or(sumB, tB);
const vector signed int t2C = vec_or(sumC, tC);
const vector signed int t3A = vec_and(vec_sra(t2A, vuint32_1),
vec_sl(t2A, vuint32_1));
const vector signed int t3B = vec_and(vec_sra(t2B, vuint32_1),
vec_sl(t2B, vuint32_1));
const vector signed int t3C = vec_and(vec_sra(t2C, vuint32_1),
vec_sl(t2C, vuint32_1));
const vector signed int yA = vec_and(t2A, t3A);
const vector signed int yB = vec_and(t2B, t3B);
const vector signed int yC = vec_and(t2C, t3C);
const vector unsigned char strangeperm1 = vec_lvsl(4, (unsigned char*)0);
const vector unsigned char strangeperm2 = vec_lvsl(8, (unsigned char*)0);
const vector signed int sumAd4 = vec_perm(yA, yB, strangeperm1);
const vector signed int sumAd8 = vec_perm(yA, yB, strangeperm2);
const vector signed int sumBd4 = vec_perm(yB, yC, strangeperm1);
const vector signed int sumBd8 = vec_perm(yB, yC, strangeperm2);
const vector signed int sumAp = vec_and(yA,
vec_and(sumAd4,sumAd8));
const vector signed int sumBp = vec_and(yB,
vec_and(sumBd4,sumBd8));
sumA2 = vec_or(sumAp,
vec_sra(sumAp,
vuint32_16));
sumB2 = vec_or(sumBp,
vec_sra(sumBp,
vuint32_16));
}
vec_st(sumA2, 0, S);
vec_st(sumB2, 16, S);
}
/* I'm not sure the following is actually faster
than straight, unvectorized C code :-( */
int __attribute__((aligned(16))) tQP2[4];
tQP2[0]= c->QP/2 + 1;
vector signed int vQP2 = vec_ld(0, tQP2);
vQP2 = vec_splat(vQP2, 0);
const vector unsigned char vuint8_2 = vec_splat_u8(2);
const vector signed int vsint32_8 = vec_splat_s32(8);
const vector unsigned int vuint32_4 = vec_splat_u32(4);
const vector unsigned char permA1 = (vector unsigned char)
AVV(0x00, 0x01, 0x02, 0x10, 0x11, 0x12, 0x1F, 0x1F,
0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F);
const vector unsigned char permA2 = (vector unsigned char)
AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x10, 0x11,
0x12, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F);
const vector unsigned char permA1inc = (vector unsigned char)
AVV(0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
const vector unsigned char permA2inc = (vector unsigned char)
AVV(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
const vector unsigned char magic = (vector unsigned char)
AVV(0x01, 0x02, 0x01, 0x02, 0x04, 0x02, 0x01, 0x02,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
const vector unsigned char extractPerm = (vector unsigned char)
AVV(0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01,
0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01);
const vector unsigned char extractPermInc = (vector unsigned char)
AVV(0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01);
const vector unsigned char identity = vec_lvsl(0,(unsigned char *)0);
const vector unsigned char tenRight = (vector unsigned char)
AVV(0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
const vector unsigned char eightLeft = (vector unsigned char)
AVV(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08);
#define F_INIT(i) \
vector unsigned char tenRightM##i = tenRight; \
vector unsigned char permA1M##i = permA1; \
vector unsigned char permA2M##i = permA2; \
vector unsigned char extractPermM##i = extractPerm
#define F2(i, j, k, l) \
if (S[i] & (1 << (l+1))) { \
const vector unsigned char a_##j##_A##l = \
vec_perm(src##i, src##j, permA1M##i); \
const vector unsigned char a_##j##_B##l = \
vec_perm(a_##j##_A##l, src##k, permA2M##i); \
const vector signed int a_##j##_sump##l = \
(vector signed int)vec_msum(a_##j##_B##l, magic, \
(vector unsigned int)zero); \
vector signed int F_##j##_##l = \
vec_sr(vec_sums(a_##j##_sump##l, vsint32_8), vuint32_4); \
F_##j##_##l = vec_splat(F_##j##_##l, 3); \
const vector signed int p_##j##_##l = \
(vector signed int)vec_perm(src##j, \
(vector unsigned char)zero, \
extractPermM##i); \
const vector signed int sum_##j##_##l = vec_add( p_##j##_##l, vQP2); \
const vector signed int diff_##j##_##l = vec_sub( p_##j##_##l, vQP2); \
vector signed int newpm_##j##_##l; \
if (vec_all_lt(sum_##j##_##l, F_##j##_##l)) \
newpm_##j##_##l = sum_##j##_##l; \
else if (vec_all_gt(diff_##j##_##l, F_##j##_##l)) \
newpm_##j##_##l = diff_##j##_##l; \
else newpm_##j##_##l = F_##j##_##l; \
const vector unsigned char newpm2_##j##_##l = \
vec_splat((vector unsigned char)newpm_##j##_##l, 15); \
const vector unsigned char mask##j##l = vec_add(identity, \
tenRightM##i); \
src##j = vec_perm(src##j, newpm2_##j##_##l, mask##j##l); \
} \
permA1M##i = vec_add(permA1M##i, permA1inc); \
permA2M##i = vec_add(permA2M##i, permA2inc); \
tenRightM##i = vec_sro(tenRightM##i, eightLeft); \
extractPermM##i = vec_add(extractPermM##i, extractPermInc)
#define ITER(i, j, k) \
F_INIT(i); \
F2(i, j, k, 0); \
F2(i, j, k, 1); \
F2(i, j, k, 2); \
F2(i, j, k, 3); \
F2(i, j, k, 4); \
F2(i, j, k, 5); \
F2(i, j, k, 6); \
F2(i, j, k, 7)
ITER(0, 1, 2);
ITER(1, 2, 3);
ITER(2, 3, 4);
ITER(3, 4, 5);
ITER(4, 5, 6);
ITER(5, 6, 7);
ITER(6, 7, 8);
ITER(7, 8, 9);
const vector signed char neg1 = vec_splat_s8(-1);
#define STORE_LINE(i) \
const vector unsigned char permST##i = \
vec_lvsr(i * stride, srcCopy); \
const vector unsigned char maskST##i = \
vec_perm((vector unsigned char)zero, \
(vector unsigned char)neg1, permST##i); \
src##i = vec_perm(src##i ,src##i, permST##i); \
sA##i= vec_sel(sA##i, src##i, maskST##i); \
sB##i= vec_sel(src##i, sB##i, maskST##i); \
vec_st(sA##i, i * stride, srcCopy); \
vec_st(sB##i, i * stride + 16, srcCopy)
STORE_LINE(1);
STORE_LINE(2);
STORE_LINE(3);
STORE_LINE(4);
STORE_LINE(5);
STORE_LINE(6);
STORE_LINE(7);
STORE_LINE(8);
#undef STORE_LINE
#undef ITER
#undef F2
}
#define doHorizLowPass_altivec(a...) doHorizLowPass_C(a)
#define doHorizDefFilter_altivec(a...) doHorizDefFilter_C(a)
#define do_a_deblock_altivec(a...) do_a_deblock_C(a)
static inline void RENAME(tempNoiseReducer)(uint8_t *src, int stride,
uint8_t *tempBlured, uint32_t *tempBluredPast, int *maxNoise)
{
const vector signed int zero = vec_splat_s32(0);
const vector signed short vsint16_1 = vec_splat_s16(1);
vector signed int v_dp = zero;
vector signed int v_sysdp = zero;
int d, sysd, i;
tempBluredPast[127]= maxNoise[0];
tempBluredPast[128]= maxNoise[1];
tempBluredPast[129]= maxNoise[2];
#define LOAD_LINE(src, i) \
register int j##src##i = i * stride; \
vector unsigned char perm##src##i = vec_lvsl(j##src##i, src); \
const vector unsigned char v_##src##A1##i = vec_ld(j##src##i, src); \
const vector unsigned char v_##src##A2##i = vec_ld(j##src##i + 16, src); \
const vector unsigned char v_##src##A##i = \
vec_perm(v_##src##A1##i, v_##src##A2##i, perm##src##i); \
vector signed short v_##src##Ass##i = \
(vector signed short)vec_mergeh((vector signed char)zero, \
(vector signed char)v_##src##A##i)
LOAD_LINE(src, 0);
LOAD_LINE(src, 1);
LOAD_LINE(src, 2);
LOAD_LINE(src, 3);
LOAD_LINE(src, 4);
LOAD_LINE(src, 5);
LOAD_LINE(src, 6);
LOAD_LINE(src, 7);
LOAD_LINE(tempBlured, 0);
LOAD_LINE(tempBlured, 1);
LOAD_LINE(tempBlured, 2);
LOAD_LINE(tempBlured, 3);
LOAD_LINE(tempBlured, 4);
LOAD_LINE(tempBlured, 5);
LOAD_LINE(tempBlured, 6);
LOAD_LINE(tempBlured, 7);
#undef LOAD_LINE
#define ACCUMULATE_DIFFS(i) \
vector signed short v_d##i = vec_sub(v_tempBluredAss##i, \
v_srcAss##i); \
v_dp = vec_msums(v_d##i, v_d##i, v_dp); \
v_sysdp = vec_msums(v_d##i, vsint16_1, v_sysdp)
ACCUMULATE_DIFFS(0);
ACCUMULATE_DIFFS(1);
ACCUMULATE_DIFFS(2);
ACCUMULATE_DIFFS(3);
ACCUMULATE_DIFFS(4);
ACCUMULATE_DIFFS(5);
ACCUMULATE_DIFFS(6);
ACCUMULATE_DIFFS(7);
#undef ACCUMULATE_DIFFS
v_dp = vec_sums(v_dp, zero);
v_sysdp = vec_sums(v_sysdp, zero);
v_dp = vec_splat(v_dp, 3);
v_sysdp = vec_splat(v_sysdp, 3);
vec_ste(v_dp, 0, &d);
vec_ste(v_sysdp, 0, &sysd);
i = d;
d = (4*d
+(*(tempBluredPast-256))
+(*(tempBluredPast-1))+ (*(tempBluredPast+1))
+(*(tempBluredPast+256))
+4)>>3;
*tempBluredPast=i;
if (d > maxNoise[1]) {
if (d < maxNoise[2]) {
#define OP(i) v_tempBluredAss##i = vec_avg(v_tempBluredAss##i, v_srcAss##i);
OP(0);
OP(1);
OP(2);
OP(3);
OP(4);
OP(5);
OP(6);
OP(7);
#undef OP
} else {
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