On Sun, Apr 6, 2025, 12:42 Sean McGovern <gsean...@gmail.com> wrote:
> While POWER & PowerPC systems have technically
> supported little-endian from inception,
> it did not come into proper usage until the
> introducion of the POWER8 in 2013.
>
> The AltiVec acceleration present here has not
> had meaningful change since before then.
>
> refs: Trac/11120
> ---
> libpostproc/postprocess.c | 13 -
> libpostproc/postprocess.h | 1 -
> libpostproc/postprocess_altivec_template.c | 1211 --------------------
> libpostproc/postprocess_template.c | 31 -
> 4 files changed, 1256 deletions(-)
> delete mode 100644 libpostproc/postprocess_altivec_template.c
>
> diff --git a/libpostproc/postprocess.c b/libpostproc/postprocess.c
> index 0223bab548..b28e172895 100644
> --- a/libpostproc/postprocess.c
> +++ b/libpostproc/postprocess.c
> @@ -495,14 +495,6 @@ static av_always_inline void do_a_deblock_C(uint8_t
> *src, int step,
> #define TEMPLATE_PP_C 1
> #include "postprocess_template.c"
>
> -#if HAVE_ALTIVEC
> -#include "libavutil/ppc/util_altivec.h"
> -
> -# define TEMPLATE_PP_ALTIVEC 1
> -# include "postprocess_altivec_template.c"
> -# include "postprocess_template.c"
> -#endif
> -
> #if ARCH_X86 && HAVE_INLINE_ASM
> # if CONFIG_RUNTIME_CPUDETECT
> # define TEMPLATE_PP_SSE2 1
> @@ -531,14 +523,10 @@ static inline void postProcess(const uint8_t src[],
> int srcStride, uint8_t dst[]
> #if ARCH_X86 && HAVE_INLINE_ASM
> // ordered per speed fastest first
> if (c->cpuCaps & AV_CPU_FLAG_SSE2) pp = postProcess_SSE2;
> -#elif HAVE_ALTIVEC
> - if (c->cpuCaps & AV_CPU_FLAG_ALTIVEC) pp =
> postProcess_altivec;
> #endif
> #else /* CONFIG_RUNTIME_CPUDETECT */
> #if HAVE_SSE2_INLINE
> pp = postProcess_SSE2;
> -#elif HAVE_ALTIVEC
> - pp = postProcess_altivec;
> #endif
> #endif /* !CONFIG_RUNTIME_CPUDETECT */
> }
> @@ -850,7 +838,6 @@ av_cold pp_context *pp_get_context(int width, int
> height, int cpuCaps){
> c->cpuCaps = av_get_cpu_flags();
> } else {
> c->cpuCaps = 0;
> - if (cpuCaps & PP_CPU_CAPS_ALTIVEC) c->cpuCaps |=
> AV_CPU_FLAG_ALTIVEC;
> }
>
> reallocBuffers(c, width, height, stride, qpStride);
> diff --git a/libpostproc/postprocess.h b/libpostproc/postprocess.h
> index 5decb7e8a9..a88fd5a5cb 100644
> --- a/libpostproc/postprocess.h
> +++ b/libpostproc/postprocess.h
> @@ -88,7 +88,6 @@ void pp_free_context(pp_context *ppContext);
> #define PP_CPU_CAPS_MMX 0x80000000
> #define PP_CPU_CAPS_MMX2 0x20000000
> #define PP_CPU_CAPS_3DNOW 0x40000000
> -#define PP_CPU_CAPS_ALTIVEC 0x10000000
> #define PP_CPU_CAPS_AUTO 0x00080000
>
> #define PP_FORMAT 0x00000008
> diff --git a/libpostproc/postprocess_altivec_template.c
> b/libpostproc/postprocess_altivec_template.c
> deleted file mode 100644
> index 827d6300e5..0000000000
> --- a/libpostproc/postprocess_altivec_template.c
> +++ /dev/null
> @@ -1,1211 +0,0 @@
> -/*
> - * AltiVec optimizations (C) 2004 Romain Dolbeau <rom...@dolbeau.org>
> - *
> - * based on code by Copyright (C) 2001-2003 Michael Niedermayer (
> michae...@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
> - */
> -
> -#include "libavutil/avutil.h"
> -#include "libavutil/mem_internal.h"
> -
> -#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); \
> - } while (0)
> -
> -
> -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.
> - */
> - short data_0 = ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1;
> - DECLARE_ALIGNED(16, short, data)[8] =
> - {
> - data_0,
> - data_0 * 2 + 1,
> - c->QP * 2,
> - c->QP * 4
> - };
> - 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;
> - 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);
> - vector signed short v_data = vec_ld(0, data);
> - vector signed short v_srcAss0, v_srcAss1, v_srcAss2, v_srcAss3,
> - v_srcAss4, v_srcAss5, v_srcAss6, v_srcAss7;
> -//FIXME avoid this mess if possible
> - register int j0 = 0,
> - j1 = stride,
> - j2 = 2 * stride,
> - j3 = 3 * stride,
> - j4 = 4 * stride,
> - j5 = 5 * stride,
> - j6 = 6 * stride,
> - j7 = 7 * stride;
> - vector unsigned char v_srcA0, v_srcA1, v_srcA2, v_srcA3,
> - v_srcA4, v_srcA5, v_srcA6, v_srcA7;
> -
> - 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;
> -
> -#define LOAD_LINE(i) \
> - { \
> - vector unsigned char perm##i = vec_lvsl(j##i, src2); \
> - vector unsigned char v_srcA2##i; \
> - vector unsigned char v_srcA1##i = vec_ld(j##i, src2); \
> - if (two_vectors) \
> - v_srcA2##i = vec_ld(j##i + 16, src2); \
> - v_srcA##i = \
> - vec_perm(v_srcA1##i, v_srcA2##i, perm##i); \
> - v_srcAss##i = \
> - (vector signed short)vec_mergeh((vector signed char)zero, \
> - (vector signed char)v_srcA##i); }
> -
> -#define LOAD_LINE_ALIGNED(i) \
> - 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 calls from
> - * the (transposed) horizontable deblocks will be aligned, in addition
> - * to the naturally 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);
> - }
> -#undef LOAD_LINE
> -#undef LOAD_LINE_ALIGNED
> -
> -#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);
> -
> - {
> - ITER(0, 1)
> - ITER(1, 2)
> - ITER(2, 3)
> - ITER(3, 4)
> - ITER(4, 5)
> - ITER(5, 6)
> - ITER(6, 7)
> -
> - v_numEq = vec_sum4s(v_part0, v_numEq);
> - v_numEq = vec_sum4s(v_part1, v_numEq);
> - v_numEq = vec_sum4s(v_part2, v_numEq);
> - v_numEq = vec_sum4s(v_part3, v_numEq);
> - v_numEq = vec_sum4s(v_part4, v_numEq);
> - v_numEq = vec_sum4s(v_part5, v_numEq);
> - v_numEq = vec_sum4s(v_part6, v_numEq);
> - }
> -
> -#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)
> - {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)
> - {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))
> - return 0;
> - else
> - return 1;
> - }
> - else return 2;
> -}
> -
> -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 alignment 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] = {c->QP};
> - vector signed short vqp = vec_ld(0, qp);
> - vector signed short vb0, vb1, vb2, vb3, vb4, vb5, vb6, vb7, vb8, vb9;
> - vector unsigned char vbA0, av_uninit(vbA1), av_uninit(vbA2),
> av_uninit(vbA3), av_uninit(vbA4), av_uninit(vbA5), av_uninit(vbA6),
> av_uninit(vbA7), av_uninit(vbA8), vbA9;
> - vector unsigned char vbB0, av_uninit(vbB1), av_uninit(vbB2),
> av_uninit(vbB3), av_uninit(vbB4), av_uninit(vbB5), av_uninit(vbB6),
> av_uninit(vbB7), av_uninit(vbB8), vbB9;
> - vector unsigned char vbT0, vbT1, vbT2, vbT3, vbT4, vbT5, vbT6, vbT7,
> vbT8, vbT9;
> - vector unsigned char perml0, perml1, perml2, perml3, perml4,
> - perml5, perml6, perml7, perml8, perml9;
> - register int j0 = 0,
> - j1 = stride,
> - j2 = 2 * stride,
> - j3 = 3 * stride,
> - j4 = 4 * stride,
> - j5 = 5 * stride,
> - j6 = 6 * stride,
> - j7 = 7 * stride,
> - j8 = 8 * stride,
> - j9 = 9 * stride;
> -
> - vqp = vec_splat(vqp, 0);
> -
> - src2 += stride*3;
> -
> -#define LOAD_LINE(i) \
> - 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)
> -
> -#define LOAD_LINE_ALIGNED(i) \
> - vbT##i = vec_ld(j##i, src2); \
> - vb##i = \
> - (vector signed short)vec_mergeh((vector signed char)zero, \
> - (vector signed char)vbT##i)
> -
> - /* Special-casing the aligned case is worthwhile, as all calls from
> - * the (transposed) horizontable deblocks will be aligned, in
> addition
> - * to the naturally 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);
> - }
> -#undef LOAD_LINE
> -#undef LOAD_LINE_ALIGNED
> - {
> - 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);
> -
> - 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){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); \
> - 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 calls
> from
> - * the (transposed) horizontable deblocks will be aligned, in
> addition
> - * to the naturally 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)
> - }
> - #undef PACK_AND_STORE
> - #undef PACK_AND_STORE_ALIGNED
> - }
> -}
> -
> -
> -
> -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 alignment of
> - src & stride :-(
> - */
> - uint8_t *src2 = src + stride*3;
> - const vector signed int zero = vec_splat_s32(0);
> - DECLARE_ALIGNED(16, short, qp)[8] = {8*c->QP};
> - vector signed short vqp = vec_splat(
> - (vector signed short)vec_ld(0, qp), 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)
> -
> - 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
> -
> - 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);
> - /* 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/subtract 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){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); \
> - vec_st(svB##i, i * stride + 16, src2);}
> -
> - STORE(4)
> - STORE(5)
> -}
> -
> -static inline void dering_altivec(uint8_t src[], int stride, PPContext
> *c) {
> - const vector signed int vsint32_8 = vec_splat_s32(8);
> - const vector unsigned int vuint32_4 = vec_splat_u32(4);
> - const vector signed char neg1 = vec_splat_s8(-1);
> -
> - const vector unsigned char permA1 = (vector unsigned char)
> - {0x00, 0x01, 0x02, 0x10, 0x11, 0x12, 0x1F, 0x1F,
> - 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F};
> - const vector unsigned char permA2 = (vector unsigned char)
> - {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x10, 0x11,
> - 0x12, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F};
> - const vector unsigned char permA1inc = (vector unsigned char)
> - {0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
> - const vector unsigned char permA2inc = (vector unsigned char)
> - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
> - 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
> - const vector unsigned char magic = (vector unsigned char)
> - {0x01, 0x02, 0x01, 0x02, 0x04, 0x02, 0x01, 0x02,
> - 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
> - const vector unsigned char extractPerm = (vector unsigned char)
> - {0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01,
> - 0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01};
> - const vector unsigned char extractPermInc = (vector unsigned char)
> - {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)
> - {0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
> - const vector unsigned char eightLeft = (vector unsigned char)
> - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08};
> -
> - /*
> - 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 alignment of
> - src & stride :-(
> - */
> - uint8_t *srcCopy = src;
> - DECLARE_ALIGNED(16, uint8_t, dt)[16] = { DERING_THRESHOLD };
> - const vector signed int zero = vec_splat_s32(0);
> - vector unsigned char 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); \
> - vector unsigned char src##i = vec_perm(sA##i, sB##i, perm##i)
> -
> - 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;
> - DECLARE_ALIGNED(16, signed int, S)[8];
> - DECLARE_ALIGNED(16, int, tQP2)[4] = { c->QP/2 + 1 };
> - vector signed int vQP2 = vec_ld(0, tQP2);
> - vQP2 = vec_splat(vQP2, 0);
> -
> - {
> - const vector unsigned char trunc_perm = (vector unsigned char)
> - {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
> - 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18};
> - 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 { \
> - const vector unsigned char s_1 = vec_##op(trunc_src12,
> trunc_src34); \
> - const vector unsigned char s_2 = vec_##op(trunc_src56,
> trunc_src78); \
> - const vector unsigned char s_6 = vec_##op(s_1, s_2); \
> - const vector unsigned char s_8h = vec_mergeh(s_6, s_6); \
> - const vector unsigned char s_8l = vec_mergel(s_6, s_6); \
> - const vector unsigned char s_9 = vec_##op(s_8h, s_8l); \
> - const vector unsigned char s_9h = vec_mergeh(s_9, s_9); \
> - const vector unsigned char s_9l = vec_mergel(s_9, s_9); \
> - const vector unsigned char s_10 = vec_##op(s_9h, s_9l); \
> - const vector unsigned char s_10h = vec_mergeh(s_10, s_10); \
> - const vector unsigned char s_10l = vec_mergel(s_10, s_10); \
> - const vector unsigned char s_11 = vec_##op(s_10h, s_10l); \
> - const vector unsigned char s_11h = vec_mergeh(s_11, s_11); \
> - const vector unsigned char s_11l = vec_mergel(s_11, s_11); \
> - v_##op = vec_##op(s_11h, s_11l); \
> -} while (0)
> -
> - vector unsigned char v_min;
> - vector unsigned char v_max;
> - EXTRACT(min);
> - EXTRACT(max);
> -#undef EXTRACT
> -
> - if (vec_all_lt(vec_sub(v_max, v_min), v_dt))
> - return;
> -
> - v_avg = vec_avg(v_min, v_max);
> - }
> -
> - {
> - const vector unsigned short mask1 = (vector unsigned short)
> - {0x0001, 0x0002, 0x0004, 0x0008,
> - 0x0010, 0x0020, 0x0040, 0x0080};
> - const vector unsigned short mask2 = (vector unsigned short)
> - {0x0100, 0x0200, 0x0000, 0x0000,
> - 0x0000, 0x0000, 0x0000, 0x0000};
> -
> - 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);
> -
> - vector signed int sumA2;
> - vector signed int sumB2;
> - vector signed int sum0, sum1, sum2, sum3, sum4;
> - vector signed int sum5, sum6, sum7, sum8, sum9;
> -
> -#define COMPARE(i) \
> - do { \
> - const vector unsigned char cmp = \
> - (vector unsigned char)vec_cmpgt(src##i, v_avg); \
> - const vector unsigned short cmpHi = \
> - (vector unsigned short)vec_mergeh(cmp, cmp); \
> - const vector unsigned short cmpLi = \
> - (vector unsigned short)vec_mergel(cmp, cmp); \
> - const vector signed short cmpHf = \
> - (vector signed short)vec_and(cmpHi, mask1); \
> - const vector signed short cmpLf = \
> - (vector signed short)vec_and(cmpLi, mask2); \
> - const vector signed int sump = vec_sum4s(cmpHf, zero); \
> - const vector signed int sumq = vec_sum4s(cmpLf, sump); \
> - sum##i = vec_sums(sumq, 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
> -
> - {
> - 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 :-( */
> -
> -#define F_INIT() \
> - vector unsigned char tenRightM = tenRight; \
> - vector unsigned char permA1M = permA1; \
> - vector unsigned char permA2M = permA2; \
> - vector unsigned char extractPermM = extractPerm
> -
> -#define F2(i, j, k, l) \
> - if (S[i] & (1 << (l+1))) { \
> - const vector unsigned char a_A = vec_perm(src##i, src##j,
> permA1M); \
> - const vector unsigned char a_B = vec_perm(a_A, src##k, permA2M); \
> - const vector signed int a_sump = \
> - (vector signed int)vec_msum(a_B, magic, (vector unsigned
> int)zero);\
> - vector signed int F = vec_sr(vec_sums(a_sump, vsint32_8),
> vuint32_4); \
> - const vector signed int p = \
> - (vector signed int)vec_perm(src##j, (vector unsigned
> char)zero, \
> - extractPermM); \
> - const vector signed int sum = vec_add(p, vQP2); \
> - const vector signed int diff = vec_sub(p, vQP2); \
> - vector signed int newpm; \
> - vector unsigned char newpm2, mask; \
> - F = vec_splat(F, 3); \
> - if (vec_all_lt(sum, F)) \
> - newpm = sum; \
> - else if (vec_all_gt(diff, F)) \
> - newpm = diff; \
> - else newpm = F; \
> - newpm2 = vec_splat((vector unsigned char)newpm, 15); \
> - mask = vec_add(identity, tenRightM); \
> - src##j = vec_perm(src##j, newpm2, mask); \
> - } \
> - permA1M = vec_add(permA1M, permA1inc); \
> - permA2M = vec_add(permA2M, permA2inc); \
> - tenRightM = vec_sro(tenRightM, eightLeft); \
> - extractPermM = vec_add(extractPermM, extractPermInc)
> -
> -#define ITER(i, j, k) do { \
> - F_INIT(); \
> - 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); \
> -} while (0)
> -
> - 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);
> -
> -#define STORE_LINE(i) do { \
> - const vector unsigned char permST = \
> - vec_lvsr(i * stride, srcCopy); \
> - const vector unsigned char maskST = \
> - vec_perm((vector unsigned char)zero, \
> - (vector unsigned char)neg1, permST); \
> - src##i = vec_perm(src##i ,src##i, permST); \
> - sA##i= vec_sel(sA##i, src##i, maskST); \
> - sB##i= vec_sel(src##i, sB##i, maskST); \
> - vec_st(sA##i, i * stride, srcCopy); \
> - vec_st(sB##i, i * stride + 16, srcCopy); \
> -} while (0)
> -
> - 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 tempNoiseReducer_altivec(uint8_t *src, int stride,
> - uint8_t *tempBlurred,
> uint32_t *tempBlurredPast, int *maxNoise)
> -{
> - const vector signed char neg1 = vec_splat_s8(-1);
> - const vector unsigned char permHH = (const vector unsigned
> char){0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
> -
> 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F};
> -
> - 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;
> -
> -#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(tempBlurred, 0);
> - LOAD_LINE(tempBlurred, 1);
> - LOAD_LINE(tempBlurred, 2);
> - LOAD_LINE(tempBlurred, 3);
> - LOAD_LINE(tempBlurred, 4);
> - LOAD_LINE(tempBlurred, 5);
> - LOAD_LINE(tempBlurred, 6);
> - LOAD_LINE(tempBlurred, 7);
> -#undef LOAD_LINE
> -
> -#define ACCUMULATE_DIFFS(i) do { \
> - vector signed short v_d = vec_sub(v_tempBlurredAss##i, \
> - v_srcAss##i); \
> - v_dp = vec_msums(v_d, v_d, v_dp); \
> - v_sysdp = vec_msums(v_d, vsint16_1, v_sysdp); \
> - } while (0)
> -
> - 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
> -
> - tempBlurredPast[127]= maxNoise[0];
> - tempBlurredPast[128]= maxNoise[1];
> - tempBlurredPast[129]= maxNoise[2];
> -
> - 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
> - +(*(tempBlurredPast-256))
> - +(*(tempBlurredPast-1))+ (*(tempBlurredPast+1))
> - +(*(tempBlurredPast+256))
> - +4)>>3;
> -
> - *tempBlurredPast=i;
> -
> - if (d > maxNoise[1]) {
> - if (d < maxNoise[2]) {
> -#define OP(i) v_tempBlurredAss##i = vec_avg(v_tempBlurredAss##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_tempBlurredAss##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) do { \
> - const vector signed short v_temp = \
> - vec_mladd(v_tempBlurredAss##i, vsint16_7, v_srcAss##i); \
> - const vector signed short v_temp2 = vec_add(v_temp,
> vsint16_4); \
> - v_tempBlurredAss##i = vec_sr(v_temp2, vuint16_3); \
> - } while (0)
> -
> - 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) do { \
> - const vector signed short v_temp = \
> - vec_mladd(v_tempBlurredAss##i, vsint16_3, v_srcAss##i); \
> - const vector signed short v_temp2 = vec_add(v_temp,
> vsint16_2); \
> - v_tempBlurredAss##i = \
> - vec_sr(v_temp2, (vector unsigned short)vsint16_2); \
> - } while (0)
> -
> - OP(0);
> - OP(1);
> - OP(2);
> - OP(3);
> - OP(4);
> - OP(5);
> - OP(6);
> - OP(7);
> -#undef OP
> - }
> - }
> -
> -#define PACK_AND_STORE(src, i) do { \
> - const vector unsigned char perms = vec_lvsr(i * stride, src); \
> - const vector unsigned char vf = \
> - vec_packsu(v_tempBlurredAss##1, (vector signed short)zero); \
> - const vector unsigned char vg = vec_perm(vf, v_##src##A##i, permHH); \
> - const vector unsigned char mask = \
> - vec_perm((vector unsigned char)zero, (vector unsigned char)neg1,
> perms); \
> - const vector unsigned char vg2 = vec_perm(vg, vg, perms); \
> - const vector unsigned char svA = vec_sel(v_##src##A1##i, vg2, mask); \
> - const vector unsigned char svB = vec_sel(vg2, v_##src##A2##i, mask); \
> - vec_st(svA, i * stride, src); \
> - vec_st(svB, i * stride + 16, src); \
> -} while (0)
> -
> - 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(tempBlurred, 0);
> - PACK_AND_STORE(tempBlurred, 1);
> - PACK_AND_STORE(tempBlurred, 2);
> - PACK_AND_STORE(tempBlurred, 3);
> - PACK_AND_STORE(tempBlurred, 4);
> - PACK_AND_STORE(tempBlurred, 5);
> - PACK_AND_STORE(tempBlurred, 6);
> - PACK_AND_STORE(tempBlurred, 7);
> -#undef PACK_AND_STORE
> -}
> -
> -static inline void transpose_16x8_char_toPackedAlign_altivec(unsigned
> char* dst, unsigned char* src, int stride) {
> - const vector unsigned char zero = vec_splat_u8(0);
> -
> -#define LOAD_DOUBLE_LINE(i, j) \
> - vector unsigned char perm1##i = vec_lvsl(i * stride, src); \
> - vector unsigned char perm2##i = vec_lvsl(j * stride, src); \
> - vector unsigned char srcA##i = vec_ld(i * stride, src); \
> - vector unsigned char srcB##i = vec_ld(i * stride + 16, src); \
> - vector unsigned char srcC##i = vec_ld(j * stride, src); \
> - vector unsigned char srcD##i = vec_ld(j * stride+ 16, src); \
> - vector unsigned char src##i = vec_perm(srcA##i, srcB##i, perm1##i); \
> - vector unsigned char src##j = vec_perm(srcC##i, srcD##i, perm2##i)
> -
> - LOAD_DOUBLE_LINE(0, 1);
> - LOAD_DOUBLE_LINE(2, 3);
> - LOAD_DOUBLE_LINE(4, 5);
> - LOAD_DOUBLE_LINE(6, 7);
> -#undef LOAD_DOUBLE_LINE
> -
> - vector unsigned char tempA = vec_mergeh(src0, zero);
> - vector unsigned char tempB = vec_mergel(src0, zero);
> - vector unsigned char tempC = vec_mergeh(src1, zero);
> - vector unsigned char tempD = vec_mergel(src1, zero);
> - vector unsigned char tempE = vec_mergeh(src2, zero);
> - vector unsigned char tempF = vec_mergel(src2, zero);
> - vector unsigned char tempG = vec_mergeh(src3, zero);
> - vector unsigned char tempH = vec_mergel(src3, zero);
> - vector unsigned char tempI = vec_mergeh(src4, zero);
> - vector unsigned char tempJ = vec_mergel(src4, zero);
> - vector unsigned char tempK = vec_mergeh(src5, zero);
> - vector unsigned char tempL = vec_mergel(src5, zero);
> - vector unsigned char tempM = vec_mergeh(src6, zero);
> - vector unsigned char tempN = vec_mergel(src6, zero);
> - vector unsigned char tempO = vec_mergeh(src7, zero);
> - vector unsigned char tempP = vec_mergel(src7, zero);
> -
> - vector unsigned char temp0 = vec_mergeh(tempA, tempI);
> - vector unsigned char temp1 = vec_mergel(tempA, tempI);
> - vector unsigned char temp2 = vec_mergeh(tempB, tempJ);
> - vector unsigned char temp3 = vec_mergel(tempB, tempJ);
> - vector unsigned char temp4 = vec_mergeh(tempC, tempK);
> - vector unsigned char temp5 = vec_mergel(tempC, tempK);
> - vector unsigned char temp6 = vec_mergeh(tempD, tempL);
> - vector unsigned char temp7 = vec_mergel(tempD, tempL);
> - vector unsigned char temp8 = vec_mergeh(tempE, tempM);
> - vector unsigned char temp9 = vec_mergel(tempE, tempM);
> - vector unsigned char temp10 = vec_mergeh(tempF, tempN);
> - vector unsigned char temp11 = vec_mergel(tempF, tempN);
> - vector unsigned char temp12 = vec_mergeh(tempG, tempO);
> - vector unsigned char temp13 = vec_mergel(tempG, tempO);
> - vector unsigned char temp14 = vec_mergeh(tempH, tempP);
> - vector unsigned char temp15 = vec_mergel(tempH, tempP);
> -
> - tempA = vec_mergeh(temp0, temp8);
> - tempB = vec_mergel(temp0, temp8);
> - tempC = vec_mergeh(temp1, temp9);
> - tempD = vec_mergel(temp1, temp9);
> - tempE = vec_mergeh(temp2, temp10);
> - tempF = vec_mergel(temp2, temp10);
> - tempG = vec_mergeh(temp3, temp11);
> - tempH = vec_mergel(temp3, temp11);
> - tempI = vec_mergeh(temp4, temp12);
> - tempJ = vec_mergel(temp4, temp12);
> - tempK = vec_mergeh(temp5, temp13);
> - tempL = vec_mergel(temp5, temp13);
> - tempM = vec_mergeh(temp6, temp14);
> - tempN = vec_mergel(temp6, temp14);
> - tempO = vec_mergeh(temp7, temp15);
> - tempP = vec_mergel(temp7, temp15);
> -
> - temp0 = vec_mergeh(tempA, tempI);
> - temp1 = vec_mergel(tempA, tempI);
> - temp2 = vec_mergeh(tempB, tempJ);
> - temp3 = vec_mergel(tempB, tempJ);
> - temp4 = vec_mergeh(tempC, tempK);
> - temp5 = vec_mergel(tempC, tempK);
> - temp6 = vec_mergeh(tempD, tempL);
> - temp7 = vec_mergel(tempD, tempL);
> - temp8 = vec_mergeh(tempE, tempM);
> - temp9 = vec_mergel(tempE, tempM);
> - temp10 = vec_mergeh(tempF, tempN);
> - temp11 = vec_mergel(tempF, tempN);
> - temp12 = vec_mergeh(tempG, tempO);
> - temp13 = vec_mergel(tempG, tempO);
> - temp14 = vec_mergeh(tempH, tempP);
> - temp15 = vec_mergel(tempH, tempP);
> -
> - vec_st(temp0, 0, dst);
> - vec_st(temp1, 16, dst);
> - vec_st(temp2, 32, dst);
> - vec_st(temp3, 48, dst);
> - vec_st(temp4, 64, dst);
> - vec_st(temp5, 80, dst);
> - vec_st(temp6, 96, dst);
> - vec_st(temp7, 112, dst);
> - vec_st(temp8, 128, dst);
> - vec_st(temp9, 144, dst);
> - vec_st(temp10, 160, dst);
> - vec_st(temp11, 176, dst);
> - vec_st(temp12, 192, dst);
> - vec_st(temp13, 208, dst);
> - vec_st(temp14, 224, dst);
> - vec_st(temp15, 240, dst);
> -}
> -
> -static inline void transpose_8x16_char_fromPackedAlign_altivec(unsigned
> char* dst, unsigned char* src, int stride) {
> - const vector unsigned char zero = vec_splat_u8(0);
> - const vector signed char neg1 = vec_splat_s8(-1);
> -
> -#define LOAD_DOUBLE_LINE(i, j) \
> - vector unsigned char src##i = vec_ld(i * 16, src); \
> - vector unsigned char src##j = vec_ld(j * 16, src)
> -
> - LOAD_DOUBLE_LINE(0, 1);
> - LOAD_DOUBLE_LINE(2, 3);
> - LOAD_DOUBLE_LINE(4, 5);
> - LOAD_DOUBLE_LINE(6, 7);
> - LOAD_DOUBLE_LINE(8, 9);
> - LOAD_DOUBLE_LINE(10, 11);
> - LOAD_DOUBLE_LINE(12, 13);
> - LOAD_DOUBLE_LINE(14, 15);
> -#undef LOAD_DOUBLE_LINE
> -
> - vector unsigned char tempA = vec_mergeh(src0, src8);
> - vector unsigned char tempB;
> - vector unsigned char tempC = vec_mergeh(src1, src9);
> - vector unsigned char tempD;
> - vector unsigned char tempE = vec_mergeh(src2, src10);
> - vector unsigned char tempG = vec_mergeh(src3, src11);
> - vector unsigned char tempI = vec_mergeh(src4, src12);
> - vector unsigned char tempJ;
> - vector unsigned char tempK = vec_mergeh(src5, src13);
> - vector unsigned char tempL;
> - vector unsigned char tempM = vec_mergeh(src6, src14);
> - vector unsigned char tempO = vec_mergeh(src7, src15);
> -
> - vector unsigned char temp0 = vec_mergeh(tempA, tempI);
> - vector unsigned char temp1 = vec_mergel(tempA, tempI);
> - vector unsigned char temp2;
> - vector unsigned char temp3;
> - vector unsigned char temp4 = vec_mergeh(tempC, tempK);
> - vector unsigned char temp5 = vec_mergel(tempC, tempK);
> - vector unsigned char temp6;
> - vector unsigned char temp7;
> - vector unsigned char temp8 = vec_mergeh(tempE, tempM);
> - vector unsigned char temp9 = vec_mergel(tempE, tempM);
> - vector unsigned char temp12 = vec_mergeh(tempG, tempO);
> - vector unsigned char temp13 = vec_mergel(tempG, tempO);
> -
> - tempA = vec_mergeh(temp0, temp8);
> - tempB = vec_mergel(temp0, temp8);
> - tempC = vec_mergeh(temp1, temp9);
> - tempD = vec_mergel(temp1, temp9);
> - tempI = vec_mergeh(temp4, temp12);
> - tempJ = vec_mergel(temp4, temp12);
> - tempK = vec_mergeh(temp5, temp13);
> - tempL = vec_mergel(temp5, temp13);
> -
> - temp0 = vec_mergeh(tempA, tempI);
> - temp1 = vec_mergel(tempA, tempI);
> - temp2 = vec_mergeh(tempB, tempJ);
> - temp3 = vec_mergel(tempB, tempJ);
> - temp4 = vec_mergeh(tempC, tempK);
> - temp5 = vec_mergel(tempC, tempK);
> - temp6 = vec_mergeh(tempD, tempL);
> - temp7 = vec_mergel(tempD, tempL);
> -
> -
> -#define STORE_DOUBLE_LINE(i, j) do { \
> - vector unsigned char dstAi = vec_ld(i * stride, dst); \
> - vector unsigned char dstBi = vec_ld(i * stride + 16, dst); \
> - vector unsigned char dstAj = vec_ld(j * stride, dst); \
> - vector unsigned char dstBj = vec_ld(j * stride+ 16, dst); \
> - vector unsigned char aligni = vec_lvsr(i * stride, dst); \
> - vector unsigned char alignj = vec_lvsr(j * stride, dst); \
> - vector unsigned char maski = \
> - vec_perm(zero, (vector unsigned char)neg1, aligni); \
> - vector unsigned char maskj = \
> - vec_perm(zero, (vector unsigned char)neg1, alignj); \
> - vector unsigned char dstRi = vec_perm(temp##i, temp##i, aligni); \
> - vector unsigned char dstRj = vec_perm(temp##j, temp##j, alignj); \
> - vector unsigned char dstAFi = vec_sel(dstAi, dstRi, maski); \
> - vector unsigned char dstBFi = vec_sel(dstRi, dstBi, maski); \
> - vector unsigned char dstAFj = vec_sel(dstAj, dstRj, maskj); \
> - vector unsigned char dstBFj = vec_sel(dstRj, dstBj, maskj); \
> - vec_st(dstAFi, i * stride, dst); \
> - vec_st(dstBFi, i * stride + 16, dst); \
> - vec_st(dstAFj, j * stride, dst); \
> - vec_st(dstBFj, j * stride + 16, dst); \
> -} while (0)
> -
> - STORE_DOUBLE_LINE(0,1);
> - STORE_DOUBLE_LINE(2,3);
> - STORE_DOUBLE_LINE(4,5);
> - STORE_DOUBLE_LINE(6,7);
> -}
> diff --git a/libpostproc/postprocess_template.c
> b/libpostproc/postprocess_template.c
> index f0e3c50d88..fda284d6f3 100644
> --- a/libpostproc/postprocess_template.c
> +++ b/libpostproc/postprocess_template.c
> @@ -40,12 +40,6 @@
> # define TEMPLATE_PP_C 0
> #endif
>
> -#ifdef TEMPLATE_PP_ALTIVEC
> -# define RENAME(a) a ## _altivec
> -#else
> -# define TEMPLATE_PP_ALTIVEC 0
> -#endif
> -
> #ifdef TEMPLATE_PP_MMX
> # define RENAME(a) a ## _MMX
> #else
> @@ -197,7 +191,6 @@ static inline int RENAME(vertClassify)(const uint8_t
> src[], int stride, PPContex
> * Do a vertical low pass filter on the 8x16 block (only write to the 8x8
> block in the middle)
> * using the 9-Tap Filter (1,1,2,2,4,2,2,1,1)/16
> */
> -#if !TEMPLATE_PP_ALTIVEC
> static inline void RENAME(doVertLowPass)(uint8_t *src, int stride,
> PPContext *c)
> {
> #if TEMPLATE_PP_MMXEXT
> @@ -368,7 +361,6 @@ static inline void RENAME(doVertLowPass)(uint8_t *src,
> int stride, PPContext *c)
> }
> #endif //TEMPLATE_PP_MMXEXT
> }
> -#endif //TEMPLATE_PP_ALTIVEC
>
> /**
> * Experimental Filter 1
> @@ -503,7 +495,6 @@ static inline void RENAME(vertX1Filter)(uint8_t *src,
> int stride, PPContext *co)
> #endif //TEMPLATE_PP_MMXEXT
> }
>
> -#if !TEMPLATE_PP_ALTIVEC
> static inline void RENAME(doVertDefFilter)(uint8_t src[], int stride,
> PPContext *c)
> {
> #if TEMPLATE_PP_MMXEXT
> @@ -828,9 +819,7 @@ static inline void RENAME(doVertDefFilter)(uint8_t
> src[], int stride, PPContext
> }
> #endif //TEMPLATE_PP_MMXEXT
> }
> -#endif //TEMPLATE_PP_ALTIVEC
>
> -#if !TEMPLATE_PP_ALTIVEC
> static inline void RENAME(dering)(uint8_t src[], int stride, PPContext *c)
> {
> #if TEMPLATE_PP_MMXEXT && HAVE_7REGS
> @@ -1140,7 +1129,6 @@ DERING_CORE((%0, %1, 8) ,(%%FF_REGd, %1,
> 4),%%mm2,%%mm4,%%mm0,%%mm3,%%mm5,
> #endif
> #endif //TEMPLATE_PP_MMXEXT
> }
> -#endif //TEMPLATE_PP_ALTIVEC
>
> /**
> * Deinterlace the given block by linearly interpolating every second
> line.
> @@ -1781,7 +1769,6 @@ static inline void RENAME(transpose2)(uint8_t *dst,
> int dstStride, const uint8_t
> #endif //TEMPLATE_PP_MMX
> //static long test=0;
>
> -#if !TEMPLATE_PP_ALTIVEC
> static inline void RENAME(tempNoiseReducer)(uint8_t *src, int stride,
> uint8_t *tempBlurred, uint32_t
> *tempBlurredPast, const int *maxNoise)
> {
> @@ -2166,7 +2153,6 @@ Switch between
> }
> #endif //TEMPLATE_PP_MMXEXT && HAVE_6REGS
> }
> -#endif //TEMPLATE_PP_ALTIVEC
>
> #if TEMPLATE_PP_MMXEXT
> /**
> @@ -3182,28 +3168,12 @@ static void RENAME(postProcess)(const uint8_t
> src[], int srcStride, uint8_t dst[
> if(mode & H_X1_FILTER)
> horizX1Filter(dstBlock-4, stride, c->QP);
> else if(mode & H_DEBLOCK){
> -#if TEMPLATE_PP_ALTIVEC
> - DECLARE_ALIGNED(16, unsigned char, tempBlock)[272];
> - int t;
> - transpose_16x8_char_toPackedAlign_altivec(tempBlock,
> dstBlock - (4 + 1), stride);
> -
> - t = vertClassify_altivec(tempBlock-48, 16, c);
> - if(t==1) {
> - doVertLowPass_altivec(tempBlock-48, 16, c);
> -
> transpose_8x16_char_fromPackedAlign_altivec(dstBlock - (4 + 1), tempBlock,
> stride);
> - }
> - else if(t==2) {
> - doVertDefFilter_altivec(tempBlock-48, 16, c);
> -
> transpose_8x16_char_fromPackedAlign_altivec(dstBlock - (4 + 1), tempBlock,
> stride);
> - }
> -#else
> const int t= RENAME(horizClassify)(dstBlock-4,
> stride, c);
>
> if(t==1)
> RENAME(doHorizLowPass)(dstBlock-4, stride, c);
> else if(t==2)
> RENAME(doHorizDefFilter)(dstBlock-4, stride, c);
> -#endif
> }else if(mode & H_A_DEBLOCK){
> RENAME(do_a_deblock)(dstBlock-8, 1, stride, c, mode);
> }
> @@ -3285,7 +3255,6 @@ static void RENAME(postProcess)(const uint8_t src[],
> int srcStride, uint8_t dst[
>
> #undef RENAME
> #undef TEMPLATE_PP_C
> -#undef TEMPLATE_PP_ALTIVEC
> #undef TEMPLATE_PP_MMX
> #undef TEMPLATE_PP_MMXEXT
> #undef TEMPLATE_PP_SSE2
> --
> 2.39.5
>
Ping!
-- Sean McGovern
>
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