Newer
Older
Michael Niedermayer
committed
/*
Diego Biurrun
committed
* AltiVec optimizations (C) 2004 Romain Dolbeau <romain@dolbeau.org>
*
* based on code by Copyright (C) 2001-2003 Michael Niedermayer (michaelni@gmx.at)
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
Michael Niedermayer
committed
Michael Niedermayer
committed
#ifdef CONFIG_DARWIN
#define AVV(x...) (x)
#else
#define AVV(x...) {x}
#endif
#define ALTIVEC_TRANSPOSE_8x8_SHORT(src_a,src_b,src_c,src_d,src_e,src_f,src_g,src_h) \
do { \
__typeof__(src_a) tempA1, tempB1, tempC1, tempD1; \
__typeof__(src_a) tempE1, tempF1, tempG1, tempH1; \
__typeof__(src_a) tempA2, tempB2, tempC2, tempD2; \
__typeof__(src_a) tempE2, tempF2, tempG2, tempH2; \
tempA1 = vec_mergeh (src_a, src_e); \
tempB1 = vec_mergel (src_a, src_e); \
tempC1 = vec_mergeh (src_b, src_f); \
tempD1 = vec_mergel (src_b, src_f); \
tempE1 = vec_mergeh (src_c, src_g); \
tempF1 = vec_mergel (src_c, src_g); \
tempG1 = vec_mergeh (src_d, src_h); \
tempH1 = vec_mergel (src_d, src_h); \
tempA2 = vec_mergeh (tempA1, tempE1); \
tempB2 = vec_mergel (tempA1, tempE1); \
tempC2 = vec_mergeh (tempB1, tempF1); \
tempD2 = vec_mergel (tempB1, tempF1); \
tempE2 = vec_mergeh (tempC1, tempG1); \
tempF2 = vec_mergel (tempC1, tempG1); \
tempG2 = vec_mergeh (tempD1, tempH1); \
tempH2 = vec_mergel (tempD1, tempH1); \
src_a = vec_mergeh (tempA2, tempE2); \
src_b = vec_mergel (tempA2, tempE2); \
src_c = vec_mergeh (tempB2, tempF2); \
src_d = vec_mergel (tempB2, tempF2); \
src_e = vec_mergeh (tempC2, tempG2); \
src_f = vec_mergel (tempC2, tempG2); \
src_g = vec_mergeh (tempD2, tempH2); \
src_h = vec_mergel (tempD2, tempH2); \
Michael Niedermayer
committed
static inline int vertClassify_altivec(uint8_t src[], int stride, PPContext *c) {
/*
this code makes no assumption on src or stride.
One could remove the recomputation of the perm
vector by assuming (stride % 16) == 0, unfortunately
this is not always true.
*/
DECLARE_ALIGNED(16, short, data[8]);
Michael Niedermayer
committed
int numEq;
uint8_t *src2 = src;
vector signed short v_dcOffset;
vector signed short v2QP;
vector unsigned short v4QP;
vector unsigned short v_dcThreshold;
const int properStride = (stride % 16);
const int srcAlign = ((unsigned long)src2 % 16);
const int two_vectors = ((srcAlign > 8) || properStride) ? 1 : 0;
Michael Niedermayer
committed
const vector signed int zero = vec_splat_s32(0);
const vector signed short mask = vec_splat_s16(1);
vector signed int v_numEq = vec_splat_s32(0);
Michael Niedermayer
committed
data[0] = ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1;
data[1] = data[0] * 2 + 1;
data[2] = c->QP * 2;
data[3] = c->QP * 4;
vector signed short v_data = vec_ld(0, data);
v_dcOffset = vec_splat(v_data, 0);
v_dcThreshold = (vector unsigned short)vec_splat(v_data, 1);
v2QP = vec_splat(v_data, 2);
v4QP = (vector unsigned short)vec_splat(v_data, 3);
src2 += stride * 4;
vector signed short v_srcAss0, v_srcAss1, v_srcAss2, v_srcAss3, v_srcAss4, v_srcAss5, v_srcAss6, v_srcAss7;
#define LOAD_LINE(i) \
register int j##i = i * stride; \
vector unsigned char perm##i = vec_lvsl(j##i, src2); \
const vector unsigned char v_srcA1##i = vec_ld(j##i, src2); \
vector unsigned char v_srcA2##i; \
if (two_vectors) \
v_srcA2##i = vec_ld(j##i + 16, src2); \
const vector unsigned char v_srcA##i = \
vec_perm(v_srcA1##i, v_srcA2##i, perm##i); \
(vector signed short)vec_mergeh((vector signed char)zero, \
(vector signed char)v_srcA##i)
Michael Niedermayer
committed
#define LOAD_LINE_ALIGNED(i) \
register int j##i = i * stride; \
const vector unsigned char v_srcA##i = vec_ld(j##i, src2); \
v_srcAss##i = \
(vector signed short)vec_mergeh((vector signed char)zero, \
(vector signed char)v_srcA##i)
// special casing the aligned case is worthwhile, as all call from
// the (transposed) horizontable deblocks will be aligned, i naddition
// to the naturraly aligned vertical deblocks.
if (properStride && srcAlign) {
LOAD_LINE_ALIGNED(0);
LOAD_LINE_ALIGNED(1);
LOAD_LINE_ALIGNED(2);
LOAD_LINE_ALIGNED(3);
LOAD_LINE_ALIGNED(4);
LOAD_LINE_ALIGNED(5);
LOAD_LINE_ALIGNED(6);
LOAD_LINE_ALIGNED(7);
} else {
LOAD_LINE(0);
LOAD_LINE(1);
LOAD_LINE(2);
LOAD_LINE(3);
LOAD_LINE(4);
LOAD_LINE(5);
LOAD_LINE(6);
LOAD_LINE(7);
}
#define ITER(i, j) \
const vector signed short v_diff##i = \
vec_sub(v_srcAss##i, v_srcAss##j); \
const vector signed short v_sum##i = \
vec_add(v_diff##i, v_dcOffset); \
const vector signed short v_comp##i = \
(vector signed short)vec_cmplt((vector unsigned short)v_sum##i, \
v_dcThreshold); \
const vector signed short v_part##i = vec_and(mask, v_comp##i); \
v_numEq = vec_sum4s(v_part##i, v_numEq);
ITER(0, 1);
ITER(1, 2);
ITER(2, 3);
ITER(3, 4);
ITER(4, 5);
ITER(5, 6);
ITER(6, 7);
#undef ITER
v_numEq = vec_sums(v_numEq, zero);
v_numEq = vec_splat(v_numEq, 3);
vec_ste(v_numEq, 0, &numEq);
if (numEq > c->ppMode.flatnessThreshold)
{
const vector unsigned char mmoP1 = (const vector unsigned char)
AVV(0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f,
0x00, 0x01, 0x12, 0x13, 0x08, 0x09, 0x1A, 0x1B);
const vector unsigned char mmoP2 = (const vector unsigned char)
AVV(0x04, 0x05, 0x16, 0x17, 0x0C, 0x0D, 0x1E, 0x1F,
0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
const vector unsigned char mmoP = (const vector unsigned char)
vec_lvsl(8, (unsigned char*)0);
vector signed short mmoL1 = vec_perm(v_srcAss0, v_srcAss2, mmoP1);
vector signed short mmoL2 = vec_perm(v_srcAss4, v_srcAss6, mmoP2);
vector signed short mmoL = vec_perm(mmoL1, mmoL2, mmoP);
vector signed short mmoR1 = vec_perm(v_srcAss5, v_srcAss7, mmoP1);
vector signed short mmoR2 = vec_perm(v_srcAss1, v_srcAss3, mmoP2);
vector signed short mmoR = vec_perm(mmoR1, mmoR2, mmoP);
vector signed short mmoDiff = vec_sub(mmoL, mmoR);
vector unsigned short mmoSum = (vector unsigned short)vec_add(mmoDiff, v2QP);
if (vec_any_gt(mmoSum, v4QP))
Michael Niedermayer
committed
static inline void doVertLowPass_altivec(uint8_t *src, int stride, PPContext *c) {
/*
this code makes no assumption on src or stride.
One could remove the recomputation of the perm
vector by assuming (stride % 16) == 0, unfortunately
this is not always true. Quite a lot of load/stores
can be removed by assuming proper alignement of
src & stride :-(
*/
uint8_t *src2 = src;
const vector signed int zero = vec_splat_s32(0);
const int properStride = (stride % 16);
const int srcAlign = ((unsigned long)src2 % 16);
DECLARE_ALIGNED(16, short, qp[8]);
Michael Niedermayer
committed
qp[0] = c->QP;
vector signed short vqp = vec_ld(0, qp);
vqp = vec_splat(vqp, 0);
src2 += stride*3;
vector signed short vb0, vb1, vb2, vb3, vb4, vb5, vb6, vb7, vb8, vb9;
vector unsigned char vbA0, vbA1, vbA2, vbA3, vbA4, vbA5, vbA6, vbA7, vbA8, vbA9;
vector unsigned char vbB0, vbB1, vbB2, vbB3, vbB4, vbB5, vbB6, vbB7, vbB8, vbB9;
vector unsigned char vbT0, vbT1, vbT2, vbT3, vbT4, vbT5, vbT6, vbT7, vbT8, vbT9;
Michael Niedermayer
committed
#define LOAD_LINE(i) \
const vector unsigned char perml##i = \
vec_lvsl(i * stride, src2); \
vbA##i = vec_ld(i * stride, src2); \
vbB##i = vec_ld(i * stride + 16, src2); \
vbT##i = vec_perm(vbA##i, vbB##i, perml##i); \
vb##i = \
(vector signed short)vec_mergeh((vector unsigned char)zero, \
(vector unsigned char)vbT##i)
Michael Niedermayer
committed
#define LOAD_LINE_ALIGNED(i) \
register int j##i = i * stride; \
vbT##i = vec_ld(j##i, src2); \
vb##i = \
(vector signed short)vec_mergeh((vector signed char)zero, \
(vector signed char)vbT##i)
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
// special casing the aligned case is worthwhile, as all call from
// the (transposed) horizontable deblocks will be aligned, in addition
// to the naturraly aligned vertical deblocks.
if (properStride && srcAlign) {
LOAD_LINE_ALIGNED(0);
LOAD_LINE_ALIGNED(1);
LOAD_LINE_ALIGNED(2);
LOAD_LINE_ALIGNED(3);
LOAD_LINE_ALIGNED(4);
LOAD_LINE_ALIGNED(5);
LOAD_LINE_ALIGNED(6);
LOAD_LINE_ALIGNED(7);
LOAD_LINE_ALIGNED(8);
LOAD_LINE_ALIGNED(9);
} else {
LOAD_LINE(0);
LOAD_LINE(1);
LOAD_LINE(2);
LOAD_LINE(3);
LOAD_LINE(4);
LOAD_LINE(5);
LOAD_LINE(6);
LOAD_LINE(7);
LOAD_LINE(8);
LOAD_LINE(9);
}
Michael Niedermayer
committed
#undef LOAD_LINE
Michael Niedermayer
committed
const vector unsigned short v_2 = vec_splat_u16(2);
const vector unsigned short v_4 = vec_splat_u16(4);
const vector signed short v_diff01 = vec_sub(vb0, vb1);
const vector unsigned short v_cmp01 =
(const vector unsigned short) vec_cmplt(vec_abs(v_diff01), vqp);
const vector signed short v_first = vec_sel(vb1, vb0, v_cmp01);
const vector signed short v_diff89 = vec_sub(vb8, vb9);
const vector unsigned short v_cmp89 =
(const vector unsigned short) vec_cmplt(vec_abs(v_diff89), vqp);
const vector signed short v_last = vec_sel(vb8, vb9, v_cmp89);
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
const vector signed short temp01 = vec_mladd(v_first, (vector signed short)v_4, vb1);
const vector signed short temp02 = vec_add(vb2, vb3);
const vector signed short temp03 = vec_add(temp01, (vector signed short)v_4);
const vector signed short v_sumsB0 = vec_add(temp02, temp03);
const vector signed short temp11 = vec_sub(v_sumsB0, v_first);
const vector signed short v_sumsB1 = vec_add(temp11, vb4);
const vector signed short temp21 = vec_sub(v_sumsB1, v_first);
const vector signed short v_sumsB2 = vec_add(temp21, vb5);
const vector signed short temp31 = vec_sub(v_sumsB2, v_first);
const vector signed short v_sumsB3 = vec_add(temp31, vb6);
const vector signed short temp41 = vec_sub(v_sumsB3, v_first);
const vector signed short v_sumsB4 = vec_add(temp41, vb7);
const vector signed short temp51 = vec_sub(v_sumsB4, vb1);
const vector signed short v_sumsB5 = vec_add(temp51, vb8);
const vector signed short temp61 = vec_sub(v_sumsB5, vb2);
const vector signed short v_sumsB6 = vec_add(temp61, v_last);
const vector signed short temp71 = vec_sub(v_sumsB6, vb3);
const vector signed short v_sumsB7 = vec_add(temp71, v_last);
const vector signed short temp81 = vec_sub(v_sumsB7, vb4);
const vector signed short v_sumsB8 = vec_add(temp81, v_last);
const vector signed short temp91 = vec_sub(v_sumsB8, vb5);
const vector signed short v_sumsB9 = vec_add(temp91, v_last);
#define COMPUTE_VR(i, j, k) \
const vector signed short temps1##i = \
vec_add(v_sumsB##i, v_sumsB##k); \
const vector signed short temps2##i = \
vec_mladd(vb##j, (vector signed short)v_2, temps1##i); \
const vector signed short vr##j = vec_sra(temps2##i, v_4)
COMPUTE_VR(0, 1, 2);
COMPUTE_VR(1, 2, 3);
COMPUTE_VR(2, 3, 4);
COMPUTE_VR(3, 4, 5);
COMPUTE_VR(4, 5, 6);
COMPUTE_VR(5, 6, 7);
COMPUTE_VR(6, 7, 8);
COMPUTE_VR(7, 8, 9);
const vector signed char neg1 = vec_splat_s8(-1);
const vector unsigned char permHH = (const vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
#define PACK_AND_STORE(i) \
const vector unsigned char perms##i = \
vec_lvsr(i * stride, src2); \
const vector unsigned char vf##i = \
vec_packsu(vr##i, (vector signed short)zero); \
const vector unsigned char vg##i = \
vec_perm(vf##i, vbT##i, permHH); \
const vector unsigned char mask##i = \
vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##i); \
const vector unsigned char vg2##i = \
vec_perm(vg##i, vg##i, perms##i); \
const vector unsigned char svA##i = \
vec_sel(vbA##i, vg2##i, mask##i); \
const vector unsigned char svB##i = \
vec_sel(vg2##i, vbB##i, mask##i); \
vec_st(svA##i, i * stride, src2); \
Michael Niedermayer
committed
vec_st(svB##i, i * stride + 16, src2)
#define PACK_AND_STORE_ALIGNED(i) \
const vector unsigned char vf##i = \
vec_packsu(vr##i, (vector signed short)zero); \
const vector unsigned char vg##i = \
vec_perm(vf##i, vbT##i, permHH); \
vec_st(vg##i, i * stride, src2)
// special casing the aligned case is worthwhile, as all call from
// the (transposed) horizontable deblocks will be aligned, in addition
// to the naturraly aligned vertical deblocks.
if (properStride && srcAlign) {
PACK_AND_STORE_ALIGNED(1);
PACK_AND_STORE_ALIGNED(2);
PACK_AND_STORE_ALIGNED(3);
PACK_AND_STORE_ALIGNED(4);
PACK_AND_STORE_ALIGNED(5);
PACK_AND_STORE_ALIGNED(6);
PACK_AND_STORE_ALIGNED(7);
PACK_AND_STORE_ALIGNED(8);
} else {
PACK_AND_STORE(1);
PACK_AND_STORE(2);
PACK_AND_STORE(3);
PACK_AND_STORE(4);
PACK_AND_STORE(5);
PACK_AND_STORE(6);
PACK_AND_STORE(7);
PACK_AND_STORE(8);
}
Michael Niedermayer
committed
#undef PACK_AND_STORE
Michael Niedermayer
committed
}
static inline void doVertDefFilter_altivec(uint8_t src[], int stride, PPContext *c) {
/*
this code makes no assumption on src or stride.
One could remove the recomputation of the perm
vector by assuming (stride % 16) == 0, unfortunately
this is not always true. Quite a lot of load/stores
can be removed by assuming proper alignement of
src & stride :-(
*/
uint8_t *src2 = src;
const vector signed int zero = vec_splat_s32(0);
DECLARE_ALIGNED(16, short, qp[8]);
Michael Niedermayer
committed
qp[0] = 8*c->QP;
vector signed short vqp = vec_ld(0, qp);
vqp = vec_splat(vqp, 0);
#define LOAD_LINE(i) \
const vector unsigned char perm##i = \
vec_lvsl(i * stride, src2); \
const vector unsigned char vbA##i = \
vec_ld(i * stride, src2); \
const vector unsigned char vbB##i = \
vec_ld(i * stride + 16, src2); \
const vector unsigned char vbT##i = \
vec_perm(vbA##i, vbB##i, perm##i); \
const vector signed short vb##i = \
(vector signed short)vec_mergeh((vector unsigned char)zero, \
(vector unsigned char)vbT##i)
Michael Niedermayer
committed
src2 += stride*3;
Michael Niedermayer
committed
LOAD_LINE(1);
LOAD_LINE(2);
LOAD_LINE(3);
LOAD_LINE(4);
LOAD_LINE(5);
LOAD_LINE(6);
LOAD_LINE(7);
LOAD_LINE(8);
#undef LOAD_LINE
Michael Niedermayer
committed
const vector signed short v_1 = vec_splat_s16(1);
const vector signed short v_2 = vec_splat_s16(2);
const vector signed short v_5 = vec_splat_s16(5);
const vector signed short v_32 = vec_sl(v_1,
(vector unsigned short)v_5);
Michael Niedermayer
committed
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
/* middle energy */
const vector signed short l3minusl6 = vec_sub(vb3, vb6);
const vector signed short l5minusl4 = vec_sub(vb5, vb4);
const vector signed short twotimes_l3minusl6 = vec_mladd(v_2, l3minusl6, (vector signed short)zero);
const vector signed short mE = vec_mladd(v_5, l5minusl4, twotimes_l3minusl6);
const vector signed short absmE = vec_abs(mE);
/* left & right energy */
const vector signed short l1minusl4 = vec_sub(vb1, vb4);
const vector signed short l3minusl2 = vec_sub(vb3, vb2);
const vector signed short l5minusl8 = vec_sub(vb5, vb8);
const vector signed short l7minusl6 = vec_sub(vb7, vb6);
const vector signed short twotimes_l1minusl4 = vec_mladd(v_2, l1minusl4, (vector signed short)zero);
const vector signed short twotimes_l5minusl8 = vec_mladd(v_2, l5minusl8, (vector signed short)zero);
const vector signed short lE = vec_mladd(v_5, l3minusl2, twotimes_l1minusl4);
const vector signed short rE = vec_mladd(v_5, l7minusl6, twotimes_l5minusl8);
/* d */
const vector signed short ddiff = vec_sub(absmE,
vec_min(vec_abs(lE),
vec_abs(rE)));
const vector signed short ddiffclamp = vec_max(ddiff, (vector signed short)zero);
const vector signed short dtimes64 = vec_mladd(v_5, ddiffclamp, v_32);
const vector signed short d = vec_sra(dtimes64, vec_splat_u16(6));
const vector signed short minusd = vec_sub((vector signed short)zero, d);
const vector signed short finald = vec_sel(minusd,
d,
vec_cmpgt(vec_sub((vector signed short)zero, mE),
(vector signed short)zero));
/* q */
const vector signed short qtimes2 = vec_sub(vb4, vb5);
/* for a shift right to behave like /2, we need to add one
to all negative integer */
const vector signed short rounddown = vec_sel((vector signed short)zero,
v_1,
vec_cmplt(qtimes2, (vector signed short)zero));
const vector signed short q = vec_sra(vec_add(qtimes2, rounddown), vec_splat_u16(1));
/* clamp */
const vector signed short dclamp_P1 = vec_max((vector signed short)zero, finald);
const vector signed short dclamp_P = vec_min(dclamp_P1, q);
const vector signed short dclamp_N1 = vec_min((vector signed short)zero, finald);
const vector signed short dclamp_N = vec_max(dclamp_N1, q);
const vector signed short dclampedfinal = vec_sel(dclamp_N,
dclamp_P,
vec_cmpgt(q, (vector signed short)zero));
const vector signed short dornotd = vec_sel((vector signed short)zero,
dclampedfinal,
vec_cmplt(absmE, vqp));
/* add/substract to l4 and l5 */
const vector signed short vb4minusd = vec_sub(vb4, dornotd);
const vector signed short vb5plusd = vec_add(vb5, dornotd);
/* finally, stores */
const vector unsigned char st4 = vec_packsu(vb4minusd, (vector signed short)zero);
const vector unsigned char st5 = vec_packsu(vb5plusd, (vector signed short)zero);
const vector signed char neg1 = vec_splat_s8(-1);
const vector unsigned char permHH = (const vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
#define STORE(i) \
const vector unsigned char perms##i = \
vec_lvsr(i * stride, src2); \
const vector unsigned char vg##i = \
vec_perm(st##i, vbT##i, permHH); \
const vector unsigned char mask##i = \
vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##i); \
const vector unsigned char vg2##i = \
vec_perm(vg##i, vg##i, perms##i); \
const vector unsigned char svA##i = \
vec_sel(vbA##i, vg2##i, mask##i); \
const vector unsigned char svB##i = \
vec_sel(vg2##i, vbB##i, mask##i); \
vec_st(svA##i, i * stride, src2); \
Michael Niedermayer
committed
vec_st(svB##i, i * stride + 16, src2)
Michael Niedermayer
committed
STORE(4);
STORE(5);
}
static inline void dering_altivec(uint8_t src[], int stride, PPContext *c) {
/*
this code makes no assumption on src or stride.
One could remove the recomputation of the perm
vector by assuming (stride % 16) == 0, unfortunately
this is not always true. Quite a lot of load/stores
can be removed by assuming proper alignement of
src & stride :-(
*/
uint8_t *srcCopy = src;
DECLARE_ALIGNED(16, uint8_t, dt[16]);
Michael Niedermayer
committed
const vector signed int zero = vec_splat_s32(0);
vector unsigned char v_dt;
dt[0] = deringThreshold;
v_dt = vec_splat(vec_ld(0, dt), 0);
#define LOAD_LINE(i) \
const vector unsigned char perm##i = \
vec_lvsl(i * stride, srcCopy); \
vector unsigned char sA##i = vec_ld(i * stride, srcCopy); \
vector unsigned char sB##i = vec_ld(i * stride + 16, srcCopy); \
Michael Niedermayer
committed
vector unsigned char src##i = vec_perm(sA##i, sB##i, perm##i)
Michael Niedermayer
committed
LOAD_LINE(0);
LOAD_LINE(1);
LOAD_LINE(2);
LOAD_LINE(3);
LOAD_LINE(4);
LOAD_LINE(5);
LOAD_LINE(6);
LOAD_LINE(7);
LOAD_LINE(8);
LOAD_LINE(9);
#undef LOAD_LINE
vector unsigned char v_avg;
{
const vector unsigned char trunc_perm = (vector unsigned char)
AVV(0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18);
Michael Niedermayer
committed
const vector unsigned char trunc_src12 = vec_perm(src1, src2, trunc_perm);
const vector unsigned char trunc_src34 = vec_perm(src3, src4, trunc_perm);
const vector unsigned char trunc_src56 = vec_perm(src5, src6, trunc_perm);
const vector unsigned char trunc_src78 = vec_perm(src7, src8, trunc_perm);
#define EXTRACT(op) do { \
Michael Niedermayer
committed
const vector unsigned char s##op##_1 = vec_##op(trunc_src12, trunc_src34); \
const vector unsigned char s##op##_2 = vec_##op(trunc_src56, trunc_src78); \
const vector unsigned char s##op##_6 = vec_##op(s##op##_1, s##op##_2); \
const vector unsigned char s##op##_8h = vec_mergeh(s##op##_6, s##op##_6); \
const vector unsigned char s##op##_8l = vec_mergel(s##op##_6, s##op##_6); \
const vector unsigned char s##op##_9 = vec_##op(s##op##_8h, s##op##_8l); \
const vector unsigned char s##op##_9h = vec_mergeh(s##op##_9, s##op##_9); \
const vector unsigned char s##op##_9l = vec_mergel(s##op##_9, s##op##_9); \
const vector unsigned char s##op##_10 = vec_##op(s##op##_9h, s##op##_9l); \
const vector unsigned char s##op##_10h = vec_mergeh(s##op##_10, s##op##_10); \
const vector unsigned char s##op##_10l = vec_mergel(s##op##_10, s##op##_10); \
const vector unsigned char s##op##_11 = vec_##op(s##op##_10h, s##op##_10l); \
const vector unsigned char s##op##_11h = vec_mergeh(s##op##_11, s##op##_11); \
const vector unsigned char s##op##_11l = vec_mergel(s##op##_11, s##op##_11); \
v_##op = vec_##op(s##op##_11h, s##op##_11l); } while (0)
Michael Niedermayer
committed
vector unsigned char v_min;
vector unsigned char v_max;
EXTRACT(min);
EXTRACT(max);
#undef EXTRACT
Michael Niedermayer
committed
if (vec_all_lt(vec_sub(v_max, v_min), v_dt))
return;
Michael Niedermayer
committed
v_avg = vec_avg(v_min, v_max);
}
DECLARE_ALIGNED(16, signed int, S[8]);
Michael Niedermayer
committed
{
const vector unsigned short mask1 = (vector unsigned short)
AVV(0x0001, 0x0002, 0x0004, 0x0008,
0x0010, 0x0020, 0x0040, 0x0080);
Michael Niedermayer
committed
const vector unsigned short mask2 = (vector unsigned short)
AVV(0x0100, 0x0200, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000);
Michael Niedermayer
committed
const vector unsigned int vuint32_16 = vec_sl(vec_splat_u32(1), vec_splat_u32(4));
const vector unsigned int vuint32_1 = vec_splat_u32(1);
#define COMPARE(i) \
vector signed int sum##i; \
do { \
const vector unsigned char cmp##i = \
(vector unsigned char)vec_cmpgt(src##i, v_avg); \
const vector unsigned short cmpHi##i = \
(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); \
Michael Niedermayer
committed
sum##i = vec_sums(sumq##i, zero); } while (0)
Michael Niedermayer
committed
COMPARE(0);
COMPARE(1);
COMPARE(2);
COMPARE(3);
COMPARE(4);
COMPARE(5);
COMPARE(6);
COMPARE(7);
COMPARE(8);
COMPARE(9);
#undef COMPARE
Michael Niedermayer
committed
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);
Michael Niedermayer
committed
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);
Michael Niedermayer
committed
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);
Michael Niedermayer
committed
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));
Michael Niedermayer
committed
const vector signed int t3B = vec_and(vec_sra(t2B, vuint32_1),
vec_sl(t2B, vuint32_1));
Michael Niedermayer
committed
const vector signed int t3C = vec_and(vec_sra(t2C, vuint32_1),
vec_sl(t2C, vuint32_1));
Michael Niedermayer
committed
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);
Michael Niedermayer
committed
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));
Michael Niedermayer
committed
const vector signed int sumBp = vec_and(yB,
vec_and(sumBd4,sumBd8));
Michael Niedermayer
committed
sumA2 = vec_or(sumAp,
vec_sra(sumAp,
vuint32_16));
Michael Niedermayer
committed
sumB2 = vec_or(sumBp,
vec_sra(sumBp,
vuint32_16));
Michael Niedermayer
committed
vec_st(sumA2, 0, S);
vec_st(sumB2, 16, S);
}
/* I'm not sure the following is actually faster
than straight, unvectorized C code :-( */
DECLARE_ALIGNED(16, int, tQP2[4]);
Michael Niedermayer
committed
tQP2[0]= c->QP/2 + 1;
vector signed int vQP2 = vec_ld(0, tQP2);
vQP2 = vec_splat(vQP2, 0);
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);
Michael Niedermayer
committed
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);
Michael Niedermayer
committed
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);
Michael Niedermayer
committed
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);
Michael Niedermayer
committed
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);
Michael Niedermayer
committed
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);
Michael Niedermayer
committed
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);
Michael Niedermayer
committed
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);
Michael Niedermayer
committed
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);
Michael Niedermayer
committed
#define F_INIT(i) \
vector unsigned char tenRightM##i = tenRight; \
vector unsigned char permA1M##i = permA1; \
vector unsigned char permA2M##i = permA2; \
Michael Niedermayer
committed
vector unsigned char extractPermM##i = extractPerm
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
#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); \
Michael Niedermayer
committed
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); \
Michael Niedermayer
committed
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); \
Michael Niedermayer
committed
vec_st(sB##i, i * stride + 16, srcCopy)
Michael Niedermayer
committed
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);
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
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 {
#define OP(i) 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 {
if (d < maxNoise[0]) {
const vector signed short vsint16_7 = vec_splat_s16(7);
const vector signed short vsint16_4 = vec_splat_s16(4);
const vector unsigned short vuint16_3 = vec_splat_u16(3);
#define OP(i) \
const vector signed short v_temp##i = \
vec_mladd(v_tempBluredAss##i, \
vsint16_7, v_srcAss##i); \
const vector signed short v_temp2##i = \
vec_add(v_temp##i, vsint16_4); \
v_tempBluredAss##i = vec_sr(v_temp2##i, vuint16_3)
OP(0);
OP(1);
OP(2);
OP(3);
OP(4);
OP(5);
OP(6);
OP(7);
#undef OP
} else {
const vector signed short vsint16_3 = vec_splat_s16(3);
const vector signed short vsint16_2 = vec_splat_s16(2);
#define OP(i) \
const vector signed short v_temp##i = \
vec_mladd(v_tempBluredAss##i, \
vsint16_3, v_srcAss##i); \
const vector signed short v_temp2##i = \
vec_add(v_temp##i, vsint16_2); \
v_tempBluredAss##i = vec_sr(v_temp2##i, (vector unsigned short)vsint16_2)
OP(0);
OP(1);
OP(2);
OP(3);
OP(4);
OP(5);
OP(6);
OP(7);
#undef OP
}
}
const vector signed char neg1 = vec_splat_s8(-1);
const vector unsigned char permHH = (const vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
#define PACK_AND_STORE(src, i) \
const vector unsigned char perms##src##i = \
vec_lvsr(i * stride, src); \
const vector unsigned char vf##src##i = \
vec_packsu(v_tempBluredAss##i, (vector signed short)zero); \
const vector unsigned char vg##src##i = \
vec_perm(vf##src##i, v_##src##A##i, permHH); \
const vector unsigned char mask##src##i = \
vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##src##i); \
const vector unsigned char vg2##src##i = \
vec_perm(vg##src##i, vg##src##i, perms##src##i); \
const vector unsigned char svA##src##i = \
vec_sel(v_##src##A1##i, vg2##src##i, mask##src##i); \
const vector unsigned char svB##src##i = \
vec_sel(vg2##src##i, v_##src##A2##i, mask##src##i); \
vec_st(svA##src##i, i * stride, src); \
vec_st(svB##src##i, i * stride + 16, src)
PACK_AND_STORE(src, 0);
PACK_AND_STORE(src, 1);
PACK_AND_STORE(src, 2);
PACK_AND_STORE(src, 3);
PACK_AND_STORE(src, 4);
PACK_AND_STORE(src, 5);
PACK_AND_STORE(src, 6);
PACK_AND_STORE(src, 7);
PACK_AND_STORE(tempBlured, 0);
PACK_AND_STORE(tempBlured, 1);
PACK_AND_STORE(tempBlured, 2);
PACK_AND_STORE(tempBlured, 3);
PACK_AND_STORE(tempBlured, 4);
PACK_AND_STORE(tempBlured, 5);
PACK_AND_STORE(tempBlured, 6);
PACK_AND_STORE(tempBlured, 7);
#undef PACK_AND_STORE
}
static inline void transpose_16x8_char_toPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) {