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484 lines
16 KiB
484 lines
16 KiB
/* |
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* Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "config.h" |
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#if HAVE_UNISTD_H |
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#include <unistd.h> |
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#endif |
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#include "libavutil/avassert.h" |
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#include "libavutil/mem.h" |
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#include "libavutil/ppc/types_altivec.h" |
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#include "libavutil/ppc/util_altivec.h" |
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#define ASSERT_ALIGNED(ptr) av_assert2(!((uintptr_t)ptr&0x0000000F)); |
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#if HAVE_BIGENDIAN |
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#define load_alignment(s, ali, pm2, pm1, pp0, pp1, pp2, pp3){\ |
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vec_u8 srcR1 = vec_ld(-2, s);\ |
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vec_u8 srcR2 = vec_ld(14, s);\ |
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switch (ali) {\ |
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default: {\ |
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srcM2 = vec_perm(srcR1, srcR2, pm2);\ |
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srcM1 = vec_perm(srcR1, srcR2, pm1);\ |
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srcP0 = vec_perm(srcR1, srcR2, pp0);\ |
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srcP1 = vec_perm(srcR1, srcR2, pp1);\ |
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srcP2 = vec_perm(srcR1, srcR2, pp2);\ |
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srcP3 = vec_perm(srcR1, srcR2, pp3);\ |
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} break;\ |
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case 11: {\ |
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srcM2 = vec_perm(srcR1, srcR2, pm2);\ |
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srcM1 = vec_perm(srcR1, srcR2, pm1);\ |
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srcP0 = vec_perm(srcR1, srcR2, pp0);\ |
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srcP1 = vec_perm(srcR1, srcR2, pp1);\ |
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srcP2 = vec_perm(srcR1, srcR2, pp2);\ |
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srcP3 = srcR2;\ |
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} break;\ |
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case 12: {\ |
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vec_u8 srcR3 = vec_ld(30, s);\ |
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srcM2 = vec_perm(srcR1, srcR2, pm2);\ |
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srcM1 = vec_perm(srcR1, srcR2, pm1);\ |
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srcP0 = vec_perm(srcR1, srcR2, pp0);\ |
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srcP1 = vec_perm(srcR1, srcR2, pp1);\ |
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srcP2 = srcR2;\ |
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srcP3 = vec_perm(srcR2, srcR3, pp3);\ |
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} break;\ |
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case 13: {\ |
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vec_u8 srcR3 = vec_ld(30, s);\ |
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srcM2 = vec_perm(srcR1, srcR2, pm2);\ |
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srcM1 = vec_perm(srcR1, srcR2, pm1);\ |
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srcP0 = vec_perm(srcR1, srcR2, pp0);\ |
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srcP1 = srcR2;\ |
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srcP2 = vec_perm(srcR2, srcR3, pp2);\ |
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srcP3 = vec_perm(srcR2, srcR3, pp3);\ |
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} break;\ |
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case 14: {\ |
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vec_u8 srcR3 = vec_ld(30, s);\ |
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srcM2 = vec_perm(srcR1, srcR2, pm2);\ |
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srcM1 = vec_perm(srcR1, srcR2, pm1);\ |
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srcP0 = srcR2;\ |
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srcP1 = vec_perm(srcR2, srcR3, pp1);\ |
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srcP2 = vec_perm(srcR2, srcR3, pp2);\ |
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srcP3 = vec_perm(srcR2, srcR3, pp3);\ |
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} break;\ |
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case 15: {\ |
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vec_u8 srcR3 = vec_ld(30, s);\ |
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srcM2 = vec_perm(srcR1, srcR2, pm2);\ |
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srcM1 = srcR2;\ |
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srcP0 = vec_perm(srcR2, srcR3, pp0);\ |
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srcP1 = vec_perm(srcR2, srcR3, pp1);\ |
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srcP2 = vec_perm(srcR2, srcR3, pp2);\ |
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srcP3 = vec_perm(srcR2, srcR3, pp3);\ |
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} break;\ |
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}\ |
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} |
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#else |
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#define load_alignment(s, ali, pm2, pm1, pp0, pp1, pp2, pp3){\ |
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srcM2 = vec_vsx_ld(-2, s);\ |
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srcM1 = vec_vsx_ld(-1, s);\ |
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srcP0 = vec_vsx_ld(0, s);\ |
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srcP1 = vec_vsx_ld(1, s);\ |
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srcP2 = vec_vsx_ld(2, s);\ |
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srcP3 = vec_vsx_ld(3, s);\ |
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} |
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#endif /* HAVE_BIGENDIAN */ |
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/* this code assume stride % 16 == 0 */ |
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#ifdef PREFIX_h264_qpel16_h_lowpass_altivec |
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static void PREFIX_h264_qpel16_h_lowpass_altivec(uint8_t *dst, |
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const uint8_t *src, |
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int dstStride, int srcStride) |
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{ |
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register int i; |
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LOAD_ZERO; |
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vec_u8 permM2, permM1, permP0, permP1, permP2, permP3; |
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const vec_s16 v5ss = vec_splat_s16(5); |
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const vec_u16 v5us = vec_splat_u16(5); |
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const vec_s16 v20ss = vec_sl(vec_splat_s16(5),vec_splat_u16(2)); |
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const vec_s16 v16ss = vec_sl(vec_splat_s16(1),vec_splat_u16(4)); |
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vec_u8 srcM2, srcM1, srcP0, srcP1, srcP2, srcP3; |
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register int align = ((((unsigned long)src) - 2) % 16); |
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vec_s16 srcP0A, srcP0B, srcP1A, srcP1B, |
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srcP2A, srcP2B, srcP3A, srcP3B, |
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srcM1A, srcM1B, srcM2A, srcM2B, |
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sum1A, sum1B, sum2A, sum2B, sum3A, sum3B, |
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pp1A, pp1B, pp2A, pp2B, pp3A, pp3B, |
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psumA, psumB, sumA, sumB; |
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vec_u8 sum, fsum; |
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#if HAVE_BIGENDIAN |
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permM2 = vec_lvsl(-2, src); |
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permM1 = vec_lvsl(-1, src); |
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permP0 = vec_lvsl(+0, src); |
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permP1 = vec_lvsl(+1, src); |
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permP2 = vec_lvsl(+2, src); |
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permP3 = vec_lvsl(+3, src); |
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#endif /* HAVE_BIGENDIAN */ |
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for (i = 0 ; i < 16 ; i ++) { |
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load_alignment(src, align, permM2, permM1, permP0, permP1, permP2, permP3); |
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srcP0A = (vec_s16) VEC_MERGEH(zero_u8v, srcP0); |
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srcP0B = (vec_s16) VEC_MERGEL(zero_u8v, srcP0); |
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srcP1A = (vec_s16) VEC_MERGEH(zero_u8v, srcP1); |
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srcP1B = (vec_s16) VEC_MERGEL(zero_u8v, srcP1); |
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srcP2A = (vec_s16) VEC_MERGEH(zero_u8v, srcP2); |
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srcP2B = (vec_s16) VEC_MERGEL(zero_u8v, srcP2); |
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srcP3A = (vec_s16) VEC_MERGEH(zero_u8v, srcP3); |
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srcP3B = (vec_s16) VEC_MERGEL(zero_u8v, srcP3); |
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srcM1A = (vec_s16) VEC_MERGEH(zero_u8v, srcM1); |
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srcM1B = (vec_s16) VEC_MERGEL(zero_u8v, srcM1); |
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srcM2A = (vec_s16) VEC_MERGEH(zero_u8v, srcM2); |
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srcM2B = (vec_s16) VEC_MERGEL(zero_u8v, srcM2); |
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sum1A = vec_adds(srcP0A, srcP1A); |
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sum1B = vec_adds(srcP0B, srcP1B); |
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sum2A = vec_adds(srcM1A, srcP2A); |
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sum2B = vec_adds(srcM1B, srcP2B); |
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sum3A = vec_adds(srcM2A, srcP3A); |
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sum3B = vec_adds(srcM2B, srcP3B); |
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pp1A = vec_mladd(sum1A, v20ss, v16ss); |
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pp1B = vec_mladd(sum1B, v20ss, v16ss); |
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pp2A = vec_mladd(sum2A, v5ss, zero_s16v); |
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pp2B = vec_mladd(sum2B, v5ss, zero_s16v); |
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pp3A = vec_add(sum3A, pp1A); |
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pp3B = vec_add(sum3B, pp1B); |
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psumA = vec_sub(pp3A, pp2A); |
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psumB = vec_sub(pp3B, pp2B); |
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sumA = vec_sra(psumA, v5us); |
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sumB = vec_sra(psumB, v5us); |
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sum = vec_packsu(sumA, sumB); |
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ASSERT_ALIGNED(dst); |
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OP_U8_ALTIVEC(fsum, sum, vec_ld(0, dst)); |
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vec_st(fsum, 0, dst); |
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src += srcStride; |
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dst += dstStride; |
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} |
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} |
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#endif /* PREFIX_h264_qpel16_h_lowpass_altivec */ |
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/* this code assume stride % 16 == 0 */ |
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#ifdef PREFIX_h264_qpel16_v_lowpass_altivec |
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static void PREFIX_h264_qpel16_v_lowpass_altivec(uint8_t *dst, |
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const uint8_t *src, |
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int dstStride, int srcStride) |
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{ |
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register int i; |
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LOAD_ZERO; |
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vec_u8 perm; |
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#if HAVE_BIGENDIAN |
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perm = vec_lvsl(0, src); |
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#endif |
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const vec_s16 v20ss = vec_sl(vec_splat_s16(5),vec_splat_u16(2)); |
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const vec_u16 v5us = vec_splat_u16(5); |
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const vec_s16 v5ss = vec_splat_s16(5); |
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const vec_s16 v16ss = vec_sl(vec_splat_s16(1),vec_splat_u16(4)); |
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const uint8_t *srcbis = src - (srcStride * 2); |
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const vec_u8 srcM2 = load_with_perm_vec(0, srcbis, perm); |
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srcbis += srcStride; |
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const vec_u8 srcM1 = load_with_perm_vec(0, srcbis, perm); |
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srcbis += srcStride; |
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const vec_u8 srcP0 = load_with_perm_vec(0, srcbis, perm); |
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srcbis += srcStride; |
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const vec_u8 srcP1 = load_with_perm_vec(0, srcbis, perm); |
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srcbis += srcStride; |
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const vec_u8 srcP2 = load_with_perm_vec(0, srcbis, perm); |
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srcbis += srcStride; |
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vec_s16 srcM2ssA = (vec_s16) VEC_MERGEH(zero_u8v, srcM2); |
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vec_s16 srcM2ssB = (vec_s16) VEC_MERGEL(zero_u8v, srcM2); |
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vec_s16 srcM1ssA = (vec_s16) VEC_MERGEH(zero_u8v, srcM1); |
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vec_s16 srcM1ssB = (vec_s16) VEC_MERGEL(zero_u8v, srcM1); |
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vec_s16 srcP0ssA = (vec_s16) VEC_MERGEH(zero_u8v, srcP0); |
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vec_s16 srcP0ssB = (vec_s16) VEC_MERGEL(zero_u8v, srcP0); |
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vec_s16 srcP1ssA = (vec_s16) VEC_MERGEH(zero_u8v, srcP1); |
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vec_s16 srcP1ssB = (vec_s16) VEC_MERGEL(zero_u8v, srcP1); |
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vec_s16 srcP2ssA = (vec_s16) VEC_MERGEH(zero_u8v, srcP2); |
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vec_s16 srcP2ssB = (vec_s16) VEC_MERGEL(zero_u8v, srcP2); |
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vec_s16 pp1A, pp1B, pp2A, pp2B, pp3A, pp3B, |
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psumA, psumB, sumA, sumB, |
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srcP3ssA, srcP3ssB, |
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sum1A, sum1B, sum2A, sum2B, sum3A, sum3B; |
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vec_u8 sum, fsum, srcP3; |
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for (i = 0 ; i < 16 ; i++) { |
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srcP3 = load_with_perm_vec(0, srcbis, perm); |
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srcbis += srcStride; |
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srcP3ssA = (vec_s16) VEC_MERGEH(zero_u8v, srcP3); |
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srcP3ssB = (vec_s16) VEC_MERGEL(zero_u8v, srcP3); |
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sum1A = vec_adds(srcP0ssA, srcP1ssA); |
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sum1B = vec_adds(srcP0ssB, srcP1ssB); |
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sum2A = vec_adds(srcM1ssA, srcP2ssA); |
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sum2B = vec_adds(srcM1ssB, srcP2ssB); |
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sum3A = vec_adds(srcM2ssA, srcP3ssA); |
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sum3B = vec_adds(srcM2ssB, srcP3ssB); |
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srcM2ssA = srcM1ssA; |
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srcM2ssB = srcM1ssB; |
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srcM1ssA = srcP0ssA; |
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srcM1ssB = srcP0ssB; |
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srcP0ssA = srcP1ssA; |
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srcP0ssB = srcP1ssB; |
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srcP1ssA = srcP2ssA; |
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srcP1ssB = srcP2ssB; |
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srcP2ssA = srcP3ssA; |
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srcP2ssB = srcP3ssB; |
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pp1A = vec_mladd(sum1A, v20ss, v16ss); |
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pp1B = vec_mladd(sum1B, v20ss, v16ss); |
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pp2A = vec_mladd(sum2A, v5ss, zero_s16v); |
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pp2B = vec_mladd(sum2B, v5ss, zero_s16v); |
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pp3A = vec_add(sum3A, pp1A); |
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pp3B = vec_add(sum3B, pp1B); |
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psumA = vec_sub(pp3A, pp2A); |
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psumB = vec_sub(pp3B, pp2B); |
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sumA = vec_sra(psumA, v5us); |
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sumB = vec_sra(psumB, v5us); |
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sum = vec_packsu(sumA, sumB); |
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ASSERT_ALIGNED(dst); |
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OP_U8_ALTIVEC(fsum, sum, vec_ld(0, dst)); |
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vec_st(fsum, 0, dst); |
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dst += dstStride; |
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} |
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} |
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#endif /* PREFIX_h264_qpel16_v_lowpass_altivec */ |
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/* this code assume stride % 16 == 0 *and* tmp is properly aligned */ |
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#ifdef PREFIX_h264_qpel16_hv_lowpass_altivec |
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static void PREFIX_h264_qpel16_hv_lowpass_altivec(uint8_t *dst, int16_t *tmp, |
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const uint8_t *src, |
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int dstStride, int tmpStride, |
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int srcStride) |
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{ |
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register int i; |
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LOAD_ZERO; |
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vec_u8 permM2, permM1, permP0, permP1, permP2, permP3; |
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const vec_s16 v20ss = vec_sl(vec_splat_s16(5),vec_splat_u16(2)); |
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const vec_u32 v10ui = vec_splat_u32(10); |
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const vec_s16 v5ss = vec_splat_s16(5); |
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const vec_s16 v1ss = vec_splat_s16(1); |
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const vec_s32 v512si = vec_sl(vec_splat_s32(1),vec_splat_u32(9)); |
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const vec_u32 v16ui = vec_sl(vec_splat_u32(1),vec_splat_u32(4)); |
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register int align = ((((unsigned long)src) - 2) % 16); |
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vec_s16 srcP0A, srcP0B, srcP1A, srcP1B, |
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srcP2A, srcP2B, srcP3A, srcP3B, |
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srcM1A, srcM1B, srcM2A, srcM2B, |
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sum1A, sum1B, sum2A, sum2B, sum3A, sum3B, |
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pp1A, pp1B, pp2A, pp2B, psumA, psumB; |
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const vec_u8 mperm = (const vec_u8) |
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{0x00, 0x08, 0x01, 0x09, 0x02, 0x0A, 0x03, 0x0B, |
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0x04, 0x0C, 0x05, 0x0D, 0x06, 0x0E, 0x07, 0x0F}; |
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int16_t *tmpbis = tmp; |
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vec_s16 tmpM1ssA, tmpM1ssB, tmpM2ssA, tmpM2ssB, |
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tmpP0ssA, tmpP0ssB, tmpP1ssA, tmpP1ssB, |
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tmpP2ssA, tmpP2ssB; |
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vec_s32 pp1Ae, pp1Ao, pp1Be, pp1Bo, pp2Ae, pp2Ao, pp2Be, pp2Bo, |
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pp3Ae, pp3Ao, pp3Be, pp3Bo, pp1cAe, pp1cAo, pp1cBe, pp1cBo, |
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pp32Ae, pp32Ao, pp32Be, pp32Bo, sumAe, sumAo, sumBe, sumBo, |
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ssumAe, ssumAo, ssumBe, ssumBo; |
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vec_u8 fsum, sumv, sum; |
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vec_s16 ssume, ssumo; |
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#if HAVE_BIGENDIAN |
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permM2 = vec_lvsl(-2, src); |
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permM1 = vec_lvsl(-1, src); |
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permP0 = vec_lvsl(+0, src); |
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permP1 = vec_lvsl(+1, src); |
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permP2 = vec_lvsl(+2, src); |
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permP3 = vec_lvsl(+3, src); |
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#endif /* HAVE_BIGENDIAN */ |
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src -= (2 * srcStride); |
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for (i = 0 ; i < 21 ; i ++) { |
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vec_u8 srcM2, srcM1, srcP0, srcP1, srcP2, srcP3; |
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load_alignment(src, align, permM2, permM1, permP0, permP1, permP2, permP3); |
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srcP0A = (vec_s16) VEC_MERGEH(zero_u8v, srcP0); |
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srcP0B = (vec_s16) VEC_MERGEL(zero_u8v, srcP0); |
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srcP1A = (vec_s16) VEC_MERGEH(zero_u8v, srcP1); |
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srcP1B = (vec_s16) VEC_MERGEL(zero_u8v, srcP1); |
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srcP2A = (vec_s16) VEC_MERGEH(zero_u8v, srcP2); |
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srcP2B = (vec_s16) VEC_MERGEL(zero_u8v, srcP2); |
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srcP3A = (vec_s16) VEC_MERGEH(zero_u8v, srcP3); |
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srcP3B = (vec_s16) VEC_MERGEL(zero_u8v, srcP3); |
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srcM1A = (vec_s16) VEC_MERGEH(zero_u8v, srcM1); |
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srcM1B = (vec_s16) VEC_MERGEL(zero_u8v, srcM1); |
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srcM2A = (vec_s16) VEC_MERGEH(zero_u8v, srcM2); |
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srcM2B = (vec_s16) VEC_MERGEL(zero_u8v, srcM2); |
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sum1A = vec_adds(srcP0A, srcP1A); |
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sum1B = vec_adds(srcP0B, srcP1B); |
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sum2A = vec_adds(srcM1A, srcP2A); |
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sum2B = vec_adds(srcM1B, srcP2B); |
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sum3A = vec_adds(srcM2A, srcP3A); |
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sum3B = vec_adds(srcM2B, srcP3B); |
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pp1A = vec_mladd(sum1A, v20ss, sum3A); |
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pp1B = vec_mladd(sum1B, v20ss, sum3B); |
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pp2A = vec_mladd(sum2A, v5ss, zero_s16v); |
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pp2B = vec_mladd(sum2B, v5ss, zero_s16v); |
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psumA = vec_sub(pp1A, pp2A); |
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psumB = vec_sub(pp1B, pp2B); |
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vec_st(psumA, 0, tmp); |
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vec_st(psumB, 16, tmp); |
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src += srcStride; |
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tmp += tmpStride; /* int16_t*, and stride is 16, so it's OK here */ |
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} |
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tmpM2ssA = vec_ld(0, tmpbis); |
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tmpM2ssB = vec_ld(16, tmpbis); |
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tmpbis += tmpStride; |
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tmpM1ssA = vec_ld(0, tmpbis); |
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tmpM1ssB = vec_ld(16, tmpbis); |
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tmpbis += tmpStride; |
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tmpP0ssA = vec_ld(0, tmpbis); |
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tmpP0ssB = vec_ld(16, tmpbis); |
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tmpbis += tmpStride; |
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tmpP1ssA = vec_ld(0, tmpbis); |
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tmpP1ssB = vec_ld(16, tmpbis); |
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tmpbis += tmpStride; |
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tmpP2ssA = vec_ld(0, tmpbis); |
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tmpP2ssB = vec_ld(16, tmpbis); |
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tmpbis += tmpStride; |
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for (i = 0 ; i < 16 ; i++) { |
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const vec_s16 tmpP3ssA = vec_ld(0, tmpbis); |
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const vec_s16 tmpP3ssB = vec_ld(16, tmpbis); |
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const vec_s16 sum1A = vec_adds(tmpP0ssA, tmpP1ssA); |
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const vec_s16 sum1B = vec_adds(tmpP0ssB, tmpP1ssB); |
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const vec_s16 sum2A = vec_adds(tmpM1ssA, tmpP2ssA); |
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const vec_s16 sum2B = vec_adds(tmpM1ssB, tmpP2ssB); |
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vec_s16 sum3A = vec_adds(tmpM2ssA, tmpP3ssA); |
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vec_s16 sum3B = vec_adds(tmpM2ssB, tmpP3ssB); |
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tmpbis += tmpStride; |
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tmpM2ssA = tmpM1ssA; |
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tmpM2ssB = tmpM1ssB; |
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tmpM1ssA = tmpP0ssA; |
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tmpM1ssB = tmpP0ssB; |
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tmpP0ssA = tmpP1ssA; |
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tmpP0ssB = tmpP1ssB; |
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tmpP1ssA = tmpP2ssA; |
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tmpP1ssB = tmpP2ssB; |
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tmpP2ssA = tmpP3ssA; |
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tmpP2ssB = tmpP3ssB; |
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pp1Ae = vec_mule(sum1A, v20ss); |
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pp1Ao = vec_mulo(sum1A, v20ss); |
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pp1Be = vec_mule(sum1B, v20ss); |
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pp1Bo = vec_mulo(sum1B, v20ss); |
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pp2Ae = vec_mule(sum2A, v5ss); |
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pp2Ao = vec_mulo(sum2A, v5ss); |
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pp2Be = vec_mule(sum2B, v5ss); |
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pp2Bo = vec_mulo(sum2B, v5ss); |
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pp3Ao = vec_mulo(sum3A, v1ss); |
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pp3Bo = vec_mulo(sum3B, v1ss); |
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#if !HAVE_BIGENDIAN |
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sum3A = (vec_s16)vec_perm(sum3A, sum3A,vcswapi2s(0,1,2,3)); |
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sum3B = (vec_s16)vec_perm(sum3B, sum3B,vcswapi2s(0,1,2,3)); |
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#endif |
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pp3Ae = vec_sra((vec_s32)sum3A, v16ui); |
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pp3Be = vec_sra((vec_s32)sum3B, v16ui); |
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pp1cAe = vec_add(pp1Ae, v512si); |
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pp1cAo = vec_add(pp1Ao, v512si); |
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pp1cBe = vec_add(pp1Be, v512si); |
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pp1cBo = vec_add(pp1Bo, v512si); |
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pp32Ae = vec_sub(pp3Ae, pp2Ae); |
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pp32Ao = vec_sub(pp3Ao, pp2Ao); |
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pp32Be = vec_sub(pp3Be, pp2Be); |
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pp32Bo = vec_sub(pp3Bo, pp2Bo); |
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sumAe = vec_add(pp1cAe, pp32Ae); |
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sumAo = vec_add(pp1cAo, pp32Ao); |
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sumBe = vec_add(pp1cBe, pp32Be); |
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sumBo = vec_add(pp1cBo, pp32Bo); |
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ssumAe = vec_sra(sumAe, v10ui); |
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ssumAo = vec_sra(sumAo, v10ui); |
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ssumBe = vec_sra(sumBe, v10ui); |
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ssumBo = vec_sra(sumBo, v10ui); |
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ssume = vec_packs(ssumAe, ssumBe); |
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ssumo = vec_packs(ssumAo, ssumBo); |
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sumv = vec_packsu(ssume, ssumo); |
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sum = vec_perm(sumv, sumv, mperm); |
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ASSERT_ALIGNED(dst); |
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OP_U8_ALTIVEC(fsum, sum, vec_ld(0, dst)); |
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vec_st(fsum, 0, dst); |
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dst += dstStride; |
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} |
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} |
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#endif /* PREFIX_h264_qpel16_hv_lowpass_altivec */
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