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Diffstat (limited to 'libavcodec/x86/dwt_yasm.asm')
| -rw-r--r-- | libavcodec/x86/dwt_yasm.asm | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/libavcodec/x86/dwt_yasm.asm b/libavcodec/x86/dwt_yasm.asm new file mode 100644 index 0000000..ac6c505 --- /dev/null +++ b/libavcodec/x86/dwt_yasm.asm @@ -0,0 +1,291 @@ +;****************************************************************************** +;* MMX optimized discrete wavelet trasnform +;* Copyright (c) 2010 David Conrad +;* +;* 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 +;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +;****************************************************************************** + +%include "x86inc.asm" + +SECTION_RODATA +pw_1: times 8 dw 1 +pw_2: times 8 dw 2 +pw_8: times 8 dw 8 +pw_16: times 8 dw 16 +pw_1991: times 4 dw 9,-1 + +section .text + +; %1 -= (%2 + %3 + 2)>>2 %4 is pw_2 +%macro COMPOSE_53iL0 4 + paddw %2, %3 + paddw %2, %4 + psraw %2, 2 + psubw %1, %2 +%endm + +; m1 = %1 + (-m0 + 9*m1 + 9*%2 -%3 + 8)>>4 +; if %4 is supplied, %1 is loaded unaligned from there +; m2: clobbered m3: pw_8 m4: pw_1991 +%macro COMPOSE_DD97iH0 3-4 + paddw m0, %3 + paddw m1, %2 + psubw m0, m3 + mova m2, m1 + punpcklwd m1, m0 + punpckhwd m2, m0 + pmaddwd m1, m4 + pmaddwd m2, m4 +%if %0 > 3 + movu %1, %4 +%endif + psrad m1, 4 + psrad m2, 4 + packssdw m1, m2 + paddw m1, %1 +%endm + +%macro COMPOSE_VERTICAL 1 +; void vertical_compose53iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, +; int width) +cglobal vertical_compose53iL0_%1, 4,4,1, b0, b1, b2, width + mova m2, [pw_2] +.loop: + sub widthd, mmsize/2 + mova m1, [b0q+2*widthq] + mova m0, [b1q+2*widthq] + COMPOSE_53iL0 m0, m1, [b2q+2*widthq], m2 + mova [b1q+2*widthq], m0 + jg .loop + REP_RET + +; void vertical_compose_dirac53iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, +; int width) +cglobal vertical_compose_dirac53iH0_%1, 4,4,1, b0, b1, b2, width + mova m1, [pw_1] +.loop: + sub widthd, mmsize/2 + mova m0, [b0q+2*widthq] + paddw m0, [b2q+2*widthq] + paddw m0, m1 + psraw m0, 1 + paddw m0, [b1q+2*widthq] + mova [b1q+2*widthq], m0 + jg .loop + REP_RET + +; void vertical_compose_dd97iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, +; IDWTELEM *b3, IDWTELEM *b4, int width) +cglobal vertical_compose_dd97iH0_%1, 6,6,5, b0, b1, b2, b3, b4, width + mova m3, [pw_8] + mova m4, [pw_1991] +.loop: + sub widthd, mmsize/2 + mova m0, [b0q+2*widthq] + mova m1, [b1q+2*widthq] + COMPOSE_DD97iH0 [b2q+2*widthq], [b3q+2*widthq], [b4q+2*widthq] + mova [b2q+2*widthq], m1 + jg .loop + REP_RET + +; void vertical_compose_dd137iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, +; IDWTELEM *b3, IDWTELEM *b4, int width) +cglobal vertical_compose_dd137iL0_%1, 6,6,6, b0, b1, b2, b3, b4, width + mova m3, [pw_16] + mova m4, [pw_1991] +.loop: + sub widthd, mmsize/2 + mova m0, [b0q+2*widthq] + mova m1, [b1q+2*widthq] + mova m5, [b2q+2*widthq] + paddw m0, [b4q+2*widthq] + paddw m1, [b3q+2*widthq] + psubw m0, m3 + mova m2, m1 + punpcklwd m1, m0 + punpckhwd m2, m0 + pmaddwd m1, m4 + pmaddwd m2, m4 + psrad m1, 5 + psrad m2, 5 + packssdw m1, m2 + psubw m5, m1 + mova [b2q+2*widthq], m5 + jg .loop + REP_RET + +; void vertical_compose_haar(IDWTELEM *b0, IDWTELEM *b1, int width) +cglobal vertical_compose_haar_%1, 3,4,3, b0, b1, width + mova m3, [pw_1] +.loop: + sub widthd, mmsize/2 + mova m1, [b1q+2*widthq] + mova m0, [b0q+2*widthq] + mova m2, m1 + paddw m1, m3 + psraw m1, 1 + psubw m0, m1 + mova [b0q+2*widthq], m0 + paddw m2, m0 + mova [b1q+2*widthq], m2 + jg .loop + REP_RET +%endmacro + +; extend the left and right edges of the tmp array by %1 and %2 respectively +%macro EDGE_EXTENSION 3 + mov %3, [tmpq] +%assign %%i 1 +%rep %1 + mov [tmpq-2*%%i], %3 + %assign %%i %%i+1 +%endrep + mov %3, [tmpq+2*w2q-2] +%assign %%i 0 +%rep %2 + mov [tmpq+2*w2q+2*%%i], %3 + %assign %%i %%i+1 +%endrep +%endmacro + + +%macro HAAR_HORIZONTAL 2 +; void horizontal_compose_haari(IDWTELEM *b, IDWTELEM *tmp, int width) +cglobal horizontal_compose_haar%2i_%1, 3,6,4, b, tmp, w, x, w2, b_w2 + mov w2d, wd + xor xq, xq + shr w2d, 1 + lea b_w2q, [bq+wq] + mova m3, [pw_1] +.lowpass_loop: + movu m1, [b_w2q + 2*xq] + mova m0, [bq + 2*xq] + paddw m1, m3 + psraw m1, 1 + psubw m0, m1 + mova [tmpq + 2*xq], m0 + add xq, mmsize/2 + cmp xq, w2q + jl .lowpass_loop + + xor xq, xq + and w2q, ~(mmsize/2 - 1) + cmp w2q, mmsize/2 + jl .end + +.highpass_loop: + movu m1, [b_w2q + 2*xq] + mova m0, [tmpq + 2*xq] + paddw m1, m0 + + ; shift and interleave +%if %2 == 1 + paddw m0, m3 + paddw m1, m3 + psraw m0, 1 + psraw m1, 1 +%endif + mova m2, m0 + punpcklwd m0, m1 + punpckhwd m2, m1 + mova [bq+4*xq], m0 + mova [bq+4*xq+mmsize], m2 + + add xq, mmsize/2 + cmp xq, w2q + jl .highpass_loop +.end: + REP_RET +%endmacro + + +INIT_XMM +; void horizontal_compose_dd97i(IDWTELEM *b, IDWTELEM *tmp, int width) +cglobal horizontal_compose_dd97i_ssse3, 3,6,8, b, tmp, w, x, w2, b_w2 + mov w2d, wd + xor xd, xd + shr w2d, 1 + lea b_w2q, [bq+wq] + movu m4, [bq+wq] + mova m7, [pw_2] + pslldq m4, 14 +.lowpass_loop: + movu m1, [b_w2q + 2*xq] + mova m0, [bq + 2*xq] + mova m2, m1 + palignr m1, m4, 14 + mova m4, m2 + COMPOSE_53iL0 m0, m1, m2, m7 + mova [tmpq + 2*xq], m0 + add xd, mmsize/2 + cmp xd, w2d + jl .lowpass_loop + + EDGE_EXTENSION 1, 2, xw + ; leave the last up to 7 (sse) or 3 (mmx) values for C + xor xd, xd + and w2d, ~(mmsize/2 - 1) + cmp w2d, mmsize/2 + jl .end + + mova m7, [tmpq-mmsize] + mova m0, [tmpq] + mova m5, [pw_1] + mova m3, [pw_8] + mova m4, [pw_1991] +.highpass_loop: + mova m6, m0 + palignr m0, m7, 14 + mova m7, [tmpq + 2*xq + 16] + mova m1, m7 + mova m2, m7 + palignr m1, m6, 2 + palignr m2, m6, 4 + COMPOSE_DD97iH0 m0, m6, m2, [b_w2q + 2*xq] + mova m0, m7 + mova m7, m6 + + ; shift and interleave + paddw m6, m5 + paddw m1, m5 + psraw m6, 1 + psraw m1, 1 + mova m2, m6 + punpcklwd m6, m1 + punpckhwd m2, m1 + mova [bq+4*xq], m6 + mova [bq+4*xq+mmsize], m2 + + add xd, mmsize/2 + cmp xd, w2d + jl .highpass_loop +.end: + REP_RET + + +%if ARCH_X86_64 == 0 +INIT_MMX +COMPOSE_VERTICAL mmx +HAAR_HORIZONTAL mmx, 0 +HAAR_HORIZONTAL mmx, 1 +%endif + +;;INIT_XMM +INIT_XMM +COMPOSE_VERTICAL sse2 +HAAR_HORIZONTAL sse2, 0 +HAAR_HORIZONTAL sse2, 1 |
