diff options
Diffstat (limited to 'libavcodec/x86/vp9itxfm_template.asm')
| -rw-r--r-- | libavcodec/x86/vp9itxfm_template.asm | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/libavcodec/x86/vp9itxfm_template.asm b/libavcodec/x86/vp9itxfm_template.asm new file mode 100644 index 0000000000..d2f2257d84 --- /dev/null +++ b/libavcodec/x86/vp9itxfm_template.asm @@ -0,0 +1,142 @@ +;****************************************************************************** +;* VP9 IDCT SIMD optimizations +;* +;* Copyright (C) 2013 Clément Bœsch <u pkh me> +;* Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com> +;* +;* This file is part of FFmpeg. +;* +;* FFmpeg is free software; you can redistribute it and/or +;* modify it under the terms of the GNU Lesser General Public +;* License as published by the Free Software Foundation; either +;* version 2.1 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 +;* Lesser General Public License for more details. +;* +;* You should have received a copy of the GNU Lesser 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 +;****************************************************************************** + +%macro VP9_IWHT4_1D 0 + SWAP 1, 2, 3 + paddw m0, m2 + psubw m3, m1 + psubw m4, m0, m3 + psraw m4, 1 + psubw m5, m4, m1 + SWAP 5, 1 + psubw m4, m2 + SWAP 4, 2 + psubw m0, m1 + paddw m3, m2 + SWAP 3, 2, 1 +%endmacro + +; (a*x + b*y + round) >> shift +%macro VP9_MULSUB_2W_2X 5 ; dst1, dst2/src, round, coefs1, coefs2 + pmaddwd m%1, m%2, %4 + pmaddwd m%2, %5 + paddd m%1, %3 + paddd m%2, %3 + psrad m%1, 14 + psrad m%2, 14 +%endmacro + +%macro VP9_MULSUB_2W_4X 7 ; dst1, dst2, coef1, coef2, rnd, tmp1/src, tmp2 + VP9_MULSUB_2W_2X %7, %6, %5, [pw_m%3_%4], [pw_%4_%3] + VP9_MULSUB_2W_2X %1, %2, %5, [pw_m%3_%4], [pw_%4_%3] + packssdw m%1, m%7 + packssdw m%2, m%6 +%endmacro + +%macro VP9_UNPACK_MULSUB_2W_4X 7-9 ; dst1, dst2, (src1, src2,) coef1, coef2, rnd, tmp1, tmp2 +%if %0 == 7 + punpckhwd m%6, m%2, m%1 + punpcklwd m%2, m%1 + VP9_MULSUB_2W_4X %1, %2, %3, %4, %5, %6, %7 +%else + punpckhwd m%8, m%4, m%3 + punpcklwd m%2, m%4, m%3 + VP9_MULSUB_2W_4X %1, %2, %5, %6, %7, %8, %9 +%endif +%endmacro + +%macro VP9_IDCT4_1D_FINALIZE 0 + SUMSUB_BA w, 3, 2, 4 ; m3=t3+t0, m2=-t3+t0 + SUMSUB_BA w, 1, 0, 4 ; m1=t2+t1, m0=-t2+t1 + SWAP 0, 3, 2 ; 3102 -> 0123 +%endmacro + +%macro VP9_IDCT4_1D 0 +%if cpuflag(ssse3) + SUMSUB_BA w, 2, 0, 4 ; m2=IN(0)+IN(2) m0=IN(0)-IN(2) + pmulhrsw m2, m6 ; m2=t0 + pmulhrsw m0, m6 ; m0=t1 +%else ; <= sse2 + VP9_UNPACK_MULSUB_2W_4X 0, 2, 11585, 11585, m7, 4, 5 ; m0=t1, m1=t0 +%endif + VP9_UNPACK_MULSUB_2W_4X 1, 3, 15137, 6270, m7, 4, 5 ; m1=t2, m3=t3 + VP9_IDCT4_1D_FINALIZE +%endmacro + +%macro VP9_IADST4_1D 0 + movq2dq xmm0, m0 + movq2dq xmm1, m1 + movq2dq xmm2, m2 + movq2dq xmm3, m3 +%if cpuflag(ssse3) + paddw m3, m0 +%endif + punpcklwd xmm0, xmm1 + punpcklwd xmm2, xmm3 + pmaddwd xmm1, xmm0, [pw_5283_13377] + pmaddwd xmm4, xmm0, [pw_9929_13377] +%if notcpuflag(ssse3) + pmaddwd xmm6, xmm0, [pw_13377_0] +%endif + pmaddwd xmm0, [pw_15212_m13377] + pmaddwd xmm3, xmm2, [pw_15212_9929] +%if notcpuflag(ssse3) + pmaddwd xmm7, xmm2, [pw_m13377_13377] +%endif + pmaddwd xmm2, [pw_m5283_m15212] +%if cpuflag(ssse3) + psubw m3, m2 +%else + paddd xmm6, xmm7 +%endif + paddd xmm0, xmm2 + paddd xmm3, xmm5 + paddd xmm2, xmm5 +%if notcpuflag(ssse3) + paddd xmm6, xmm5 +%endif + paddd xmm1, xmm3 + paddd xmm0, xmm3 + paddd xmm4, xmm2 + psrad xmm1, 14 + psrad xmm0, 14 + psrad xmm4, 14 +%if cpuflag(ssse3) + pmulhrsw m3, [pw_13377x2] ; out2 +%else + psrad xmm6, 14 +%endif + packssdw xmm0, xmm0 + packssdw xmm1, xmm1 + packssdw xmm4, xmm4 +%if notcpuflag(ssse3) + packssdw xmm6, xmm6 +%endif + movdq2q m0, xmm0 ; out3 + movdq2q m1, xmm1 ; out0 + movdq2q m2, xmm4 ; out1 +%if notcpuflag(ssse3) + movdq2q m3, xmm6 ; out2 +%endif + SWAP 0, 1, 2, 3 +%endmacro |