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142 lines
4.8 KiB
142 lines
4.8 KiB
;****************************************************************************** |
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;* VP9 IDCT SIMD optimizations |
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;* |
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;* Copyright (C) 2013 Clément Bœsch <u pkh me> |
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;* Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com> |
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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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%macro VP9_IWHT4_1D 0 |
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SWAP 1, 2, 3 |
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paddw m0, m2 |
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psubw m3, m1 |
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psubw m4, m0, m3 |
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psraw m4, 1 |
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psubw m5, m4, m1 |
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SWAP 5, 1 |
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psubw m4, m2 |
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SWAP 4, 2 |
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psubw m0, m1 |
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paddw m3, m2 |
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SWAP 3, 2, 1 |
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%endmacro |
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; (a*x + b*y + round) >> shift |
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%macro VP9_MULSUB_2W_2X 5 ; dst1, dst2/src, round, coefs1, coefs2 |
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pmaddwd m%1, m%2, %4 |
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pmaddwd m%2, %5 |
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paddd m%1, %3 |
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paddd m%2, %3 |
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psrad m%1, 14 |
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psrad m%2, 14 |
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%endmacro |
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%macro VP9_MULSUB_2W_4X 7 ; dst1, dst2, coef1, coef2, rnd, tmp1/src, tmp2 |
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VP9_MULSUB_2W_2X %7, %6, %5, [pw_m%3_%4], [pw_%4_%3] |
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VP9_MULSUB_2W_2X %1, %2, %5, [pw_m%3_%4], [pw_%4_%3] |
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packssdw m%1, m%7 |
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packssdw m%2, m%6 |
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%endmacro |
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%macro VP9_UNPACK_MULSUB_2W_4X 7-9 ; dst1, dst2, (src1, src2,) coef1, coef2, rnd, tmp1, tmp2 |
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%if %0 == 7 |
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punpckhwd m%6, m%2, m%1 |
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punpcklwd m%2, m%1 |
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VP9_MULSUB_2W_4X %1, %2, %3, %4, %5, %6, %7 |
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%else |
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punpckhwd m%8, m%4, m%3 |
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punpcklwd m%2, m%4, m%3 |
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VP9_MULSUB_2W_4X %1, %2, %5, %6, %7, %8, %9 |
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%endif |
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%endmacro |
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%macro VP9_IDCT4_1D_FINALIZE 0 |
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SUMSUB_BA w, 3, 2, 4 ; m3=t3+t0, m2=-t3+t0 |
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SUMSUB_BA w, 1, 0, 4 ; m1=t2+t1, m0=-t2+t1 |
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SWAP 0, 3, 2 ; 3102 -> 0123 |
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%endmacro |
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%macro VP9_IDCT4_1D 0 |
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%if cpuflag(ssse3) |
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SUMSUB_BA w, 2, 0, 4 ; m2=IN(0)+IN(2) m0=IN(0)-IN(2) |
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pmulhrsw m2, m6 ; m2=t0 |
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pmulhrsw m0, m6 ; m0=t1 |
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%else ; <= sse2 |
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VP9_UNPACK_MULSUB_2W_4X 0, 2, 11585, 11585, m7, 4, 5 ; m0=t1, m1=t0 |
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%endif |
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VP9_UNPACK_MULSUB_2W_4X 1, 3, 15137, 6270, m7, 4, 5 ; m1=t2, m3=t3 |
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VP9_IDCT4_1D_FINALIZE |
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%endmacro |
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%macro VP9_IADST4_1D 0 |
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movq2dq xmm0, m0 |
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movq2dq xmm1, m1 |
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movq2dq xmm2, m2 |
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movq2dq xmm3, m3 |
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%if cpuflag(ssse3) |
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paddw m3, m0 |
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%endif |
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punpcklwd xmm0, xmm1 |
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punpcklwd xmm2, xmm3 |
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pmaddwd xmm1, xmm0, [pw_5283_13377] |
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pmaddwd xmm4, xmm0, [pw_9929_13377] |
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%if notcpuflag(ssse3) |
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pmaddwd xmm6, xmm0, [pw_13377_0] |
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%endif |
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pmaddwd xmm0, [pw_15212_m13377] |
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pmaddwd xmm3, xmm2, [pw_15212_9929] |
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%if notcpuflag(ssse3) |
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pmaddwd xmm7, xmm2, [pw_m13377_13377] |
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%endif |
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pmaddwd xmm2, [pw_m5283_m15212] |
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%if cpuflag(ssse3) |
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psubw m3, m2 |
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%else |
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paddd xmm6, xmm7 |
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%endif |
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paddd xmm0, xmm2 |
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paddd xmm3, xmm5 |
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paddd xmm2, xmm5 |
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%if notcpuflag(ssse3) |
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paddd xmm6, xmm5 |
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%endif |
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paddd xmm1, xmm3 |
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paddd xmm0, xmm3 |
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paddd xmm4, xmm2 |
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psrad xmm1, 14 |
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psrad xmm0, 14 |
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psrad xmm4, 14 |
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%if cpuflag(ssse3) |
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pmulhrsw m3, [pw_13377x2] ; out2 |
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%else |
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psrad xmm6, 14 |
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%endif |
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packssdw xmm0, xmm0 |
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packssdw xmm1, xmm1 |
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packssdw xmm4, xmm4 |
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%if notcpuflag(ssse3) |
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packssdw xmm6, xmm6 |
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%endif |
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movdq2q m0, xmm0 ; out3 |
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movdq2q m1, xmm1 ; out0 |
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movdq2q m2, xmm4 ; out1 |
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%if notcpuflag(ssse3) |
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movdq2q m3, xmm6 ; out2 |
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%endif |
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SWAP 0, 1, 2, 3 |
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%endmacro
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