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avcodec/ppc/h264chroma_template: POWER LE support for PREFIX_h264_chroma_mc8_altivec() PREFIX_no_rnd_vc1_chroma_mc8_altivec() CHROMA_MC8_ALTIVEC_CORE_SIMPLE() CHROMA_MC8_ALTIVEC_CORE()

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add marcos GET_VSRC1() GET_VSRC()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
pull/100/head
Rong Yan 10 years ago committed by Michael Niedermayer
parent 57c89c50bd
commit 89f3043c7f
1 changed files with 88 additions and 135 deletions
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  1. 213
      libavcodec/ppc/h264chroma_template.c

213
libavcodec/ppc/h264chroma_template.c
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@ -19,12 +19,14 @@
*/
#include "libavutil/mem.h"
#include "libavutil/ppc/types_altivec.h"
#include "libavutil/ppc/util_altivec.h"
/* this code assume that stride % 16 == 0 */
#define CHROMA_MC8_ALTIVEC_CORE(BIAS1, BIAS2) \
vsrc2ssH = (vec_s16)vec_mergeh(zero_u8v,(vec_u8)vsrc2uc);\
vsrc3ssH = (vec_s16)vec_mergeh(zero_u8v,(vec_u8)vsrc3uc);\
vsrc2ssH = (vec_s16)VEC_MERGEH(zero_u8v,(vec_u8)vsrc2uc);\
vsrc3ssH = (vec_s16)VEC_MERGEH(zero_u8v,(vec_u8)vsrc3uc);\
\
psum = vec_mladd(vA, vsrc0ssH, BIAS1);\
psum = vec_mladd(vB, vsrc1ssH, psum);\
@ -49,8 +51,8 @@
#define CHROMA_MC8_ALTIVEC_CORE_SIMPLE \
\
vsrc0ssH = (vec_s16)vec_mergeh(zero_u8v,(vec_u8)vsrc0uc);\
vsrc1ssH = (vec_s16)vec_mergeh(zero_u8v,(vec_u8)vsrc1uc);\
vsrc0ssH = (vec_s16)VEC_MERGEH(zero_u8v,(vec_u8)vsrc0uc);\
vsrc1ssH = (vec_s16)VEC_MERGEH(zero_u8v,(vec_u8)vsrc1uc);\
\
psum = vec_mladd(vA, vsrc0ssH, v32ss);\
psum = vec_mladd(vE, vsrc1ssH, psum);\
@ -70,6 +72,43 @@
#define noop(a) a
#define add28(a) vec_add(v28ss, a)
#if HAVE_BIGENDIAN
#define GET_VSRC1(vs0, off, b, perm0, s){ \
vec_u8 vsrcCuc, vsrcDuc; \
vsrcCuc = vec_ld(off, s); \
if (loadSecond){ \
vsrcDuc = vec_ld(off + b, s); \
} else \
vsrcDuc = vsrcCuc; \
\
vs0 = vec_perm(vsrcCuc, vsrcDuc, perm0); \
}
#define GET_VSRC(vs0, vs1, off, b, perm0, perm1, s){ \
vec_u8 vsrcCuc, vsrcDuc; \
vsrcCuc = vec_ld(off, s); \
if (loadSecond){ \
vsrcDuc = vec_ld(off + b, s); \
} else \
vsrcDuc = vsrcCuc; \
\
vs0 = vec_perm(vsrcCuc, vsrcDuc, perm0); \
if (reallyBadAlign){ \
vs1 = vsrcDuc; \
} else \
vs1 = vec_perm(vsrcCuc, vsrcDuc, perm1); \
}
#else
#define GET_VSRC1(vs0, off, b, perm0, s){ \
vs0 = vec_vsx_ld(off, s); \
}
#define GET_VSRC(vs0, vs1, off, b, perm0, perm1, s){ \
vs0 = vec_vsx_ld(off, s); \
vs1 = vec_vsx_ld(off + 1, s); \
}
#endif /* HAVE_BIGENDIAN */
#ifdef PREFIX_h264_chroma_mc8_altivec
static void PREFIX_h264_chroma_mc8_altivec(uint8_t * dst, uint8_t * src,
int stride, int h, int x, int y) {
@ -80,23 +119,27 @@ static void PREFIX_h264_chroma_mc8_altivec(uint8_t * dst, uint8_t * src,
(( x) * ( y))};
register int i;
vec_u8 fperm;
const vec_s32 vABCD = vec_ld(0, ABCD);
const vec_s16 vA = vec_splat((vec_s16)vABCD, 1);
const vec_s16 vB = vec_splat((vec_s16)vABCD, 3);
const vec_s16 vC = vec_splat((vec_s16)vABCD, 5);
const vec_s16 vD = vec_splat((vec_s16)vABCD, 7);
LOAD_ZERO;
const vec_s32 vABCD = vec_ld(0, ABCD);
const vec_s16 vA = VEC_SPLAT16(vABCD, 1);
const vec_s16 vB = VEC_SPLAT16(vABCD, 3);
const vec_s16 vC = VEC_SPLAT16(vABCD, 5);
const vec_s16 vD = VEC_SPLAT16(vABCD, 7);
const vec_s16 v32ss = vec_sl(vec_splat_s16(1),vec_splat_u16(5));
const vec_u16 v6us = vec_splat_u16(6);
register int loadSecond = (((unsigned long)src) % 16) <= 7 ? 0 : 1;
register int reallyBadAlign = (((unsigned long)src) % 16) == 15 ? 1 : 0;
vec_u8 vsrcAuc, av_uninit(vsrcBuc), vsrcperm0, vsrcperm1;
vec_u8 vsrcperm0, vsrcperm1;
vec_u8 vsrc0uc, vsrc1uc;
vec_s16 vsrc0ssH, vsrc1ssH;
vec_u8 vsrcCuc, vsrc2uc, vsrc3uc;
vec_u8 vsrc2uc, vsrc3uc;
vec_s16 vsrc2ssH, vsrc3ssH, psum;
vec_u8 vdst, ppsum, vfdst, fsum;
#if HAVE_BIGENDIAN
register int loadSecond = (((unsigned long)src) % 16) <= 7 ? 0 : 1;
register int reallyBadAlign = (((unsigned long)src) % 16) == 15 ? 1 : 0;
vsrcperm0 = vec_lvsl(0, src);
vsrcperm1 = vec_lvsl(1, src);
#endif
if (((unsigned long)dst) % 16 == 0) {
fperm = (vec_u8){0x10, 0x11, 0x12, 0x13,
@ -110,89 +153,28 @@ static void PREFIX_h264_chroma_mc8_altivec(uint8_t * dst, uint8_t * src,
0x1C, 0x1D, 0x1E, 0x1F};
}
vsrcAuc = vec_ld(0, src);
if (loadSecond)
vsrcBuc = vec_ld(16, src);
vsrcperm0 = vec_lvsl(0, src);
vsrcperm1 = vec_lvsl(1, src);
vsrc0uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm0);
if (reallyBadAlign)
vsrc1uc = vsrcBuc;
else
vsrc1uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm1);
GET_VSRC(vsrc0uc, vsrc1uc, 0, 16, vsrcperm0, vsrcperm1, src);
vsrc0ssH = (vec_s16)vec_mergeh(zero_u8v,(vec_u8)vsrc0uc);
vsrc1ssH = (vec_s16)vec_mergeh(zero_u8v,(vec_u8)vsrc1uc);
vsrc0ssH = (vec_s16)VEC_MERGEH(zero_u8v,(vec_u8)vsrc0uc);
vsrc1ssH = (vec_s16)VEC_MERGEH(zero_u8v,(vec_u8)vsrc1uc);
if (ABCD[3]) {
if (!loadSecond) {// -> !reallyBadAlign
for (i = 0 ; i < h ; i++) {
vsrcCuc = vec_ld(stride + 0, src);
vsrc2uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm0);
vsrc3uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm1);
CHROMA_MC8_ALTIVEC_CORE(v32ss, noop)
}
} else {
vec_u8 vsrcDuc;
for (i = 0 ; i < h ; i++) {
vsrcCuc = vec_ld(stride + 0, src);
vsrcDuc = vec_ld(stride + 16, src);
vsrc2uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm0);
if (reallyBadAlign)
vsrc3uc = vsrcDuc;
else
vsrc3uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm1);
CHROMA_MC8_ALTIVEC_CORE(v32ss, noop)
}
GET_VSRC(vsrc2uc, vsrc3uc, stride, 16, vsrcperm0, vsrcperm1, src);
CHROMA_MC8_ALTIVEC_CORE(v32ss, noop);
}
} else {
const vec_s16 vE = vec_add(vB, vC);
if (ABCD[2]) { // x == 0 B == 0
if (!loadSecond) {// -> !reallyBadAlign
for (i = 0 ; i < h ; i++) {
vsrcCuc = vec_ld(stride + 0, src);
vsrc1uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm0);
CHROMA_MC8_ALTIVEC_CORE_SIMPLE
GET_VSRC1(vsrc1uc, stride, 15, vsrcperm0, src);
CHROMA_MC8_ALTIVEC_CORE_SIMPLE;
vsrc0uc = vsrc1uc;
}
} else {
vec_u8 vsrcDuc;
for (i = 0 ; i < h ; i++) {
vsrcCuc = vec_ld(stride + 0, src);
vsrcDuc = vec_ld(stride + 15, src);
vsrc1uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm0);
CHROMA_MC8_ALTIVEC_CORE_SIMPLE
vsrc0uc = vsrc1uc;
}
}
} else { // y == 0 C == 0
if (!loadSecond) {// -> !reallyBadAlign
for (i = 0 ; i < h ; i++) {
vsrcCuc = vec_ld(0, src);
vsrc0uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm0);
vsrc1uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm1);
CHROMA_MC8_ALTIVEC_CORE_SIMPLE
}
} else {
vec_u8 vsrcDuc;
for (i = 0 ; i < h ; i++) {
vsrcCuc = vec_ld(0, src);
vsrcDuc = vec_ld(15, src);
vsrc0uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm0);
if (reallyBadAlign)
vsrc1uc = vsrcDuc;
else
vsrc1uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm1);
CHROMA_MC8_ALTIVEC_CORE_SIMPLE
}
GET_VSRC(vsrc0uc, vsrc1uc, 0, 15, vsrcperm0, vsrcperm1, src);
CHROMA_MC8_ALTIVEC_CORE_SIMPLE;
}
}
}
@ -209,23 +191,27 @@ static void PREFIX_no_rnd_vc1_chroma_mc8_altivec(uint8_t * dst, uint8_t * src, i
(( x) * ( y))};
register int i;
vec_u8 fperm;
const vec_s32 vABCD = vec_ld(0, ABCD);
const vec_s16 vA = vec_splat((vec_s16)vABCD, 1);
const vec_s16 vB = vec_splat((vec_s16)vABCD, 3);
const vec_s16 vC = vec_splat((vec_s16)vABCD, 5);
const vec_s16 vD = vec_splat((vec_s16)vABCD, 7);
LOAD_ZERO;
const vec_s32 vABCD = vec_ld(0, ABCD);
const vec_s16 vA = VEC_SPLAT16(vABCD, 1);
const vec_s16 vB = VEC_SPLAT16(vABCD, 3);
const vec_s16 vC = VEC_SPLAT16(vABCD, 5);
const vec_s16 vD = VEC_SPLAT16(vABCD, 7);
const vec_s16 v28ss = vec_sub(vec_sl(vec_splat_s16(1),vec_splat_u16(5)),vec_splat_s16(4));
const vec_u16 v6us = vec_splat_u16(6);
register int loadSecond = (((unsigned long)src) % 16) <= 7 ? 0 : 1;
register int reallyBadAlign = (((unsigned long)src) % 16) == 15 ? 1 : 0;
vec_u8 vsrcAuc, av_uninit(vsrcBuc), vsrcperm0, vsrcperm1;
vec_u8 vsrcperm0, vsrcperm1;
vec_u8 vsrc0uc, vsrc1uc;
vec_s16 vsrc0ssH, vsrc1ssH;
vec_u8 vsrcCuc, vsrc2uc, vsrc3uc;
vec_u8 vsrc2uc, vsrc3uc;
vec_s16 vsrc2ssH, vsrc3ssH, psum;
vec_u8 vdst, ppsum, vfdst, fsum;
#if HAVE_BIGENDIAN
register int loadSecond = (((unsigned long)src) % 16) <= 7 ? 0 : 1;
register int reallyBadAlign = (((unsigned long)src) % 16) == 15 ? 1 : 0;
vsrcperm0 = vec_lvsl(0, src);
vsrcperm1 = vec_lvsl(1, src);
#endif
if (((unsigned long)dst) % 16 == 0) {
fperm = (vec_u8){0x10, 0x11, 0x12, 0x13,
@ -239,47 +225,14 @@ static void PREFIX_no_rnd_vc1_chroma_mc8_altivec(uint8_t * dst, uint8_t * src, i
0x1C, 0x1D, 0x1E, 0x1F};
}
vsrcAuc = vec_ld(0, src);
if (loadSecond)
vsrcBuc = vec_ld(16, src);
vsrcperm0 = vec_lvsl(0, src);
vsrcperm1 = vec_lvsl(1, src);
vsrc0uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm0);
if (reallyBadAlign)
vsrc1uc = vsrcBuc;
else
vsrc1uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm1);
GET_VSRC(vsrc0uc, vsrc1uc, 0, 16, vsrcperm0, vsrcperm1, src);
vsrc0ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc0uc);
vsrc1ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc1uc);
vsrc0ssH = (vec_s16)VEC_MERGEH(zero_u8v, (vec_u8)vsrc0uc);
vsrc1ssH = (vec_s16)VEC_MERGEH(zero_u8v, (vec_u8)vsrc1uc);
if (!loadSecond) {// -> !reallyBadAlign
for (i = 0 ; i < h ; i++) {
vsrcCuc = vec_ld(stride + 0, src);
vsrc2uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm0);
vsrc3uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm1);
CHROMA_MC8_ALTIVEC_CORE(vec_splat_s16(0), add28)
}
} else {
vec_u8 vsrcDuc;
for (i = 0 ; i < h ; i++) {
vsrcCuc = vec_ld(stride + 0, src);
vsrcDuc = vec_ld(stride + 16, src);
vsrc2uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm0);
if (reallyBadAlign)
vsrc3uc = vsrcDuc;
else
vsrc3uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm1);
CHROMA_MC8_ALTIVEC_CORE(vec_splat_s16(0), add28)
}
GET_VSRC(vsrc2uc, vsrc3uc, stride, 16, vsrcperm0, vsrcperm1, src);
CHROMA_MC8_ALTIVEC_CORE(vec_splat_s16(0), add28);
}
}
#endif

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