| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Firefox/media/ffvpx/libavcodec/x86/ (Firefox Browser Version 153.0.1©) Datei vom 27.6.2026 mit Größe 37 kB |
|
Quelle simple_idct.asmSprache: Masm |
|||||||||||||||
|
; ; Simple IDCT SSE2 ; ; Copyright (c) 2001, 2002 Michael Niedermayer <michaelni@gmx.at> ; ; Conversion from gcc syntax to x264asm syntax with minimal modifications ; by James Darnley <jdarnley@obe.tv>. ; ; 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 ;/ %include "libavutil/x86/x86util.asm" SECTION_RODATA %if ARCH_X86_32 cextern pb_80 d40000: dd 4 << 16, 0 ; must be 16-byte aligned wm1010: dw 0, 0xffff, 0, 0xffff ; 23170.475006 ; 22725.260826 ; 21406.727617 ; 19265.545870 ; 16384.000000 ; 12872.826198 ; 8866.956905 ; 4520.335430 %define C0 23170 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 %define C1 22725 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 %define C2 21407 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 %define C3 19266 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 %define C4 16383 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) - 0.5 %define C5 12873 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 %define C6 8867 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 %define C7 4520 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 %define ROW_SHIFT 11 %define COL_SHIFT 20 ; 6 coeffs: dw 1 << (ROW_SHIFT - 1), 0 dw 1 << (ROW_SHIFT - 1), 0 dw 1 << (ROW_SHIFT - 1), 0 dw 1 << (ROW_SHIFT - 1), 0 dw 1 << (ROW_SHIFT - 1), 1 dw 1 << (ROW_SHIFT - 1), 0 dw 1 << (ROW_SHIFT - 1), 1 dw 1 << (ROW_SHIFT - 1), 0 dw C4, C4, C4, C4, C4, C4, C4, C4 dw C4, -C4, C4, -C4, C4, -C4, C4, -C4 dw C2, C6, C2, C6, C2, C6, C2, C6 dw C6, -C2, C6, -C2, C6, -C2, C6, -C2 dw C1, C3, C1, C3, C1, C3, C1, C3 dw C5, C7, C5, C7, C5, C7, C5, C7 dw C3, -C7, C3, -C7, C3, -C7, C3, -C7 dw -C1, -C5, -C1, -C5, -C1, -C5, -C1, -C5 dw C5, -C1, C5, -C1, C5, -C1, C5, -C1 dw C7, C3, C7, C3, C7, C3, C7, C3 dw C7, -C5, C7, -C5, C7, -C5, C7, -C5 dw C3, -C1, C3, -C1, C3, -C1, C3, -C1 SECTION .text %macro DC_COND_IDCT 7 movq m0, [blockq + %1] ; R4 R0 r4 r0 movq m1, [blockq + %2] ; R6 R2 r6 r2 movq m2, [blockq + %3] ; R3 R1 r3 r1 movq m3, [blockq + %4] ; R7 R5 r7 r5 movq m4, [wm1010] pand m4, m0 por m4, m1 por m4, m2 por m4, m3 packssdw m4, m4 movd t0d, m4 or t0d, t0d jz %%1 movq m4, [coeffs + 32] ; C4 C4 C4 C4 pmaddwd m4, m0 ; C4R4+C4R0 C4r4+C4r0 movq m5, [coeffs + 48] ; -C4 C4 -C4 C4 pmaddwd m0, m5 ; -C4R4+C4R0 -C4r4+C4r0 movq m5, [coeffs + 64] ; C6 C2 C6 C2 pmaddwd m5, m1 ; C6R6+C2R2 C6r6+C2r2 movq m6, [coeffs + 80] ; -C2 C6 -C2 C6 pmaddwd m1, m6 ; -C2R6+C6R2 -C2r6+C6r2 movq m7, [coeffs + 96] ; C3 C1 C3 C1 pmaddwd m7, m2 ; C3R3+C1R1 C3r3+C1r1 paddd m4, [coeffs + 16] movq m6, m4 ; C4R4+C4R0 C4r4+C4r0 paddd m4, m5 ; A0 a0 psubd m6, m5 ; A3 a3 movq m5, [coeffs + 112] ; C7 C5 C7 C5 pmaddwd m5, m3 ; C7R7+C5R5 C7r7+C5r5 paddd m0, [coeffs + 16] paddd m1, m0 ; A1 a1 paddd m0, m0 psubd m0, m1 ; A2 a2 pmaddwd m2, [coeffs + 128] ; -C7R3+C3R1 -C7r3+C3r1 paddd m7, m5 ; B0 b0 movq m5, [coeffs + 144] ; -C5 -C1 -C5 -C1 pmaddwd m5, m3 ; -C5R7-C1R5 -C5r7-C1r5 paddd m7, m4 ; A0+B0 a0+b0 paddd m4, m4 ; 2A0 2a0 psubd m4, m7 ; A0-B0 a0-b0 paddd m5, m2 ; B1 b1 psrad m7, %7 psrad m4, %7 movq m2, m1 ; A1 a1 paddd m1, m5 ; A1+B1 a1+b1 psubd m2, m5 ; A1-B1 a1-b1 psrad m1, %7 psrad m2, %7 packssdw m7, m1 ; A1+B1 a1+b1 A0+B0 a0+b0 pshufd m7, m7, 0xD8 packssdw m2, m4 ; A0-B0 a0-b0 A1-B1 a1-b1 pshufd m2, m2, 0xD8 movq [%5], m7 movq m1, [blockq + %3] ; R3 R1 r3 r1 movq m4, [coeffs + 160] ; -C1 C5 -C1 C5 movq [24 + %5], m2 pmaddwd m4, m1 ; -C1R3+C5R1 -C1r3+C5r1 movq m7, [coeffs + 176] ; C3 C7 C3 C7 pmaddwd m1, [coeffs + 192] ; -C5R3+C7R1 -C5r3+C7r1 pmaddwd m7, m3 ; C3R7+C7R5 C3r7+C7r5 movq m2, m0 ; A2 a2 pmaddwd m3, [coeffs + 208] ; -C1R7+C3R5 -C1r7+C3r5 paddd m4, m7 ; B2 b2 paddd m2, m4 ; A2+B2 a2+b2 psubd m0, m4 ; a2-B2 a2-b2 psrad m2, %7 psrad m0, %7 movq m4, m6 ; A3 a3 paddd m3, m1 ; B3 b3 paddd m6, m3 ; A3+B3 a3+b3 psubd m4, m3 ; a3-B3 a3-b3 psrad m6, %7 packssdw m2, m6 ; A3+B3 a3+b3 A2+B2 a2+b2 pshufd m2, m2, 0xD8 movq [8 + %5], m2 psrad m4, %7 packssdw m4, m0 ; A2-B2 a2-b2 A3-B3 a3-b3 pshufd m4, m4, 0xD8 movq [16 + %5], m4 jmp %%2 %%1: pslld m0, 16 ; d40000 is only eight bytes long, so this will clobber ; the upper half of m0 with wm1010. It doesn't matter due to pshufd below. paddd m0, [d40000] psrad m0, 13 packssdw m0, m0 pshufd m0, m0, 0x0 mova [%5], m0 mova [16 + %5], m0 %%2: %endmacro %macro Z_COND_IDCT 8 movq m0, [blockq + %1] ; R4 R0 r4 r0 movq m1, [blockq + %2] ; R6 R2 r6 r2 movq m2, [blockq + %3] ; R3 R1 r3 r1 movq m3, [blockq + %4] ; R7 R5 r7 r5 movq m4, m0 por m4, m1 por m4, m2 por m4, m3 packssdw m4, m4 movd t0d, m4 or t0d, t0d jz %8 movq m4, [coeffs + 32] ; C4 C4 C4 C4 pmaddwd m4, m0 ; C4R4+C4R0 C4r4+C4r0 movq m5, [coeffs + 48] ; -C4 C4 -C4 C4 pmaddwd m0, m5 ; -C4R4+C4R0 -C4r4+C4r0 movq m5, [coeffs + 64] ; C6 C2 C6 C2 pmaddwd m5, m1 ; C6R6+C2R2 C6r6+C2r2 movq m6, [coeffs + 80] ; -C2 C6 -C2 C6 pmaddwd m1, m6 ; -C2R6+C6R2 -C2r6+C6r2 movq m7, [coeffs + 96] ; C3 C1 C3 C1 pmaddwd m7, m2 ; C3R3+C1R1 C3r3+C1r1 paddd m4, [coeffs] movq m6, m4 ; C4R4+C4R0 C4r4+C4r0 paddd m4, m5 ; A0 a0 psubd m6, m5 ; A3 a3 movq m5, [coeffs + 112] ; C7 C5 C7 C5 pmaddwd m5, m3 ; C7R7+C5R5 C7r7+C5r5 paddd m0, [coeffs] paddd m1, m0 ; A1 a1 paddd m0, m0 psubd m0, m1 ; A2 a2 pmaddwd m2, [coeffs + 128] ; -C7R3+C3R1 -C7r3+C3r1 paddd m7, m5 ; B0 b0 movq m5, [coeffs + 144] ; -C5 -C1 -C5 -C1 pmaddwd m5, m3 ; -C5R7-C1R5 -C5r7-C1r5 paddd m7, m4 ; A0+B0 a0+b0 paddd m4, m4 ; 2A0 2a0 psubd m4, m7 ; A0-B0 a0-b0 paddd m5, m2 ; B1 b1 psrad m7, %7 psrad m4, %7 movq m2, m1 ; A1 a1 paddd m1, m5 ; A1+B1 a1+b1 psubd m2, m5 ; A1-B1 a1-b1 psrad m1, %7 psrad m2, %7 packssdw m7, m1 ; A1+B1 a1+b1 A0+B0 a0+b0 pshufd m7, m7, 0xD8 packssdw m2, m4 ; A0-B0 a0-b0 A1-B1 a1-b1 pshufd m2, m2, 0xD8 movq [%5], m7 movq m1, [blockq + %3] ; R3 R1 r3 r1 movq m4, [coeffs + 160] ; -C1 C5 -C1 C5 movq [24 + %5], m2 pmaddwd m4, m1 ; -C1R3+C5R1 -C1r3+C5r1 movq m7, [coeffs + 176] ; C3 C7 C3 C7 pmaddwd m1, [coeffs + 192] ; -C5R3+C7R1 -C5r3+C7r1 pmaddwd m7, m3 ; C3R7+C7R5 C3r7+C7r5 movq m2, m0 ; A2 a2 pmaddwd m3, [coeffs + 208] ; -C1R7+C3R5 -C1r7+C3r5 paddd m4, m7 ; B2 b2 paddd m2, m4 ; A2+B2 a2+b2 psubd m0, m4 ; a2-B2 a2-b2 psrad m2, %7 psrad m0, %7 movq m4, m6 ; A3 a3 paddd m3, m1 ; B3 b3 paddd m6, m3 ; A3+B3 a3+b3 psubd m4, m3 ; a3-B3 a3-b3 psrad m6, %7 packssdw m2, m6 ; A3+B3 a3+b3 A2+B2 a2+b2 pshufd m2, m2, 0xD8 movq [8 + %5], m2 psrad m4, %7 packssdw m4, m0 ; A2-B2 a2-b2 A3-B3 a3-b3 pshufd m4, m4, 0xD8 movq [16 + %5], m4 %endmacro %macro IDCT1 6 mova m0, %1 ; R4 R0 r4 r0 mova m1, %2 ; R6 R2 r6 r2 mova m2, %3 ; R3 R1 r3 r1 mova m3, %4 ; R7 R5 r7 r5 mova m4, [coeffs + 32] ; C4 C4 C4 C4 pmaddwd m4, m0 ; C4R4+C4R0 C4r4+C4r0 mova m5, [coeffs + 48] ; -C4 C4 -C4 C4 pmaddwd m0, m5 ; -C4R4+C4R0 -C4r4+C4r0 mova m5, [coeffs + 64] ; C6 C2 C6 C2 pmaddwd m5, m1 ; C6R6+C2R2 C6r6+C2r2 mova m6, [coeffs + 80] ; -C2 C6 -C2 C6 pmaddwd m1, m6 ; -C2R6+C6R2 -C2r6+C6r2 mova m6, m4 ; C4R4+C4R0 C4r4+C4r0 mova m7, [coeffs + 96] ; C3 C1 C3 C1 pmaddwd m7, m2 ; C3R3+C1R1 C3r3+C1r1 paddd m4, m5 ; A0 a0 psubd m6, m5 ; A3 a3 mova m5, m0 ; -C4R4+C4R0 -C4r4+C4r0 paddd m0, m1 ; A1 a1 psubd m5, m1 ; A2 a2 mova m1, [coeffs + 112] ; C7 C5 C7 C5 pmaddwd m1, m3 ; C7R7+C5R5 C7r7+C5r5 pmaddwd m2, [coeffs + 128] ; -C7R3+C3R1 -C7r3+C3r1 paddd m7, m1 ; B0 b0 mova m1, [coeffs + 144] ; -C5 -C1 -C5 -C1 pmaddwd m1, m3 ; -C5R7-C1R5 -C5r7-C1r5 paddd m7, m4 ; A0+B0 a0+b0 paddd m4, m4 ; 2A0 2a0 psubd m4, m7 ; A0-B0 a0-b0 paddd m1, m2 ; B1 b1 psrad m7, %6 psrad m4, %6 mova m2, m0 ; A1 a1 paddd m0, m1 ; A1+B1 a1+b1 psubd m2, m1 ; A1-B1 a1-b1 psrad m0, %6 psrad m2, %6 packssdw m7, m7 ; A0+B0 a0+b0 movq [%5], m7 packssdw m0, m0 ; A1+B1 a1+b1 movq [16 + %5], m0 packssdw m2, m2 ; A1-B1 a1-b1 movq [96 + %5], m2 packssdw m4, m4 ; A0-B0 a0-b0 movq [112 + %5], m4 mova m0, %3 ; R3 R1 r3 r1 mova m4, [coeffs + 160] ; -C1 C5 -C1 C5 pmaddwd m4, m0 ; -C1R3+C5R1 -C1r3+C5r1 mova m7, [coeffs + 176] ; C3 C7 C3 C7 pmaddwd m0, [coeffs + 192] ; -C5R3+C7R1 -C5r3+C7r1 pmaddwd m7, m3 ; C3R7+C7R5 C3r7+C7r5 mova m2, m5 ; A2 a2 pmaddwd m3, [coeffs + 208] ; -C1R7+C3R5 -C1r7+C3r5 paddd m4, m7 ; B2 b2 paddd m2, m4 ; A2+B2 a2+b2 psubd m5, m4 ; a2-B2 a2-b2 psrad m2, %6 psrad m5, %6 mova m4, m6 ; A3 a3 paddd m3, m0 ; B3 b3 paddd m6, m3 ; A3+B3 a3+b3 psubd m4, m3 ; a3-B3 a3-b3 psrad m6, %6 psrad m4, %6 packssdw m2, m2 ; A2+B2 a2+b2 packssdw m6, m6 ; A3+B3 a3+b3 movq [32 + %5], m2 packssdw m4, m4 ; A3-B3 a3-b3 packssdw m5, m5 ; A2-B2 a2-b2 movq [48 + %5], m6 movq [64 + %5], m4 movq [80 + %5], m5 %endmacro %macro IDCT2 6 mova m0, %1 ; R4 R0 r4 r0 mova m1, %2 ; R6 R2 r6 r2 mova m3, %4 ; R7 R5 r7 r5 mova m4, [coeffs + 32] ; C4 C4 C4 C4 pmaddwd m4, m0 ; C4R4+C4R0 C4r4+C4r0 mova m5, [coeffs + 48] ; -C4 C4 -C4 C4 pmaddwd m0, m5 ; -C4R4+C4R0 -C4r4+C4r0 mova m5, [coeffs + 64] ; C6 C2 C6 C2 pmaddwd m5, m1 ; C6R6+C2R2 C6r6+C2r2 mova m6, [coeffs + 80] ; -C2 C6 -C2 C6 pmaddwd m1, m6 ; -C2R6+C6R2 -C2r6+C6r2 mova m6, m4 ; C4R4+C4R0 C4r4+C4r0 paddd m4, m5 ; A0 a0 psubd m6, m5 ; A3 a3 mova m5, m0 ; -C4R4+C4R0 -C4r4+C4r0 paddd m0, m1 ; A1 a1 psubd m5, m1 ; A2 a2 mova m1, [coeffs + 112] ; C7 C5 C7 C5 pmaddwd m1, m3 ; C7R7+C5R5 C7r7+C5r5 mova m7, [coeffs + 144] ; -C5 -C1 -C5 -C1 pmaddwd m7, m3 ; -C5R7-C1R5 -C5r7-C1r5 paddd m1, m4 ; A0+B0 a0+b0 paddd m4, m4 ; 2A0 2a0 psubd m4, m1 ; A0-B0 a0-b0 psrad m1, %6 psrad m4, %6 mova m2, m0 ; A1 a1 paddd m0, m7 ; A1+B1 a1+b1 psubd m2, m7 ; A1-B1 a1-b1 psrad m0, %6 psrad m2, %6 packssdw m1, m1 ; A0+B0 a0+b0 movq [%5], m1 packssdw m0, m0 ; A1+B1 a1+b1 movq [16 + %5], m0 packssdw m2, m2 ; A1-B1 a1-b1 movq [96 + %5], m2 packssdw m4, m4 ; A0-B0 a0-b0 movq [112 + %5], m4 mova m1, [coeffs + 176] ; C3 C7 C3 C7 pmaddwd m1, m3 ; C3R7+C7R5 C3r7+C7r5 mova m2, m5 ; A2 a2 pmaddwd m3, [coeffs + 208] ; -C1R7+C3R5 -C1r7+C3r5 paddd m2, m1 ; A2+B2 a2+b2 psubd m5, m1 ; a2-B2 a2-b2 psrad m2, %6 psrad m5, %6 mova m1, m6 ; A3 a3 paddd m6, m3 ; A3+B3 a3+b3 psubd m1, m3 ; a3-B3 a3-b3 psrad m6, %6 psrad m1, %6 packssdw m2, m2 ; A2+B2 a2+b2 packssdw m6, m6 ; A3+B3 a3+b3 movq [32 + %5], m2 packssdw m1, m1 ; A3-B3 a3-b3 packssdw m5, m5 ; A2-B2 a2-b2 movq [48 + %5], m6 movq [64 + %5], m1 movq [80 + %5], m5 %endmacro %macro IDCT3 6 mova m0, %1 ; R4 R0 r4 r0 mova m3, %4 ; R7 R5 r7 r5 mova m4, [coeffs + 32] ; C4 C4 C4 C4 pmaddwd m4, m0 ; C4R4+C4R0 C4r4+C4r0 mova m5, [coeffs + 48] ; -C4 C4 -C4 C4 pmaddwd m0, m5 ; -C4R4+C4R0 -C4r4+C4r0 mova m6, m4 ; C4R4+C4R0 C4r4+C4r0 mova m5, m0 ; -C4R4+C4R0 -C4r4+C4r0 mova m1, [coeffs + 112] ; C7 C5 C7 C5 pmaddwd m1, m3 ; C7R7+C5R5 C7r7+C5r5 mova m7, [coeffs + 144] ; -C5 -C1 -C5 -C1 pmaddwd m7, m3 ; -C5R7-C1R5 -C5r7-C1r5 paddd m1, m4 ; A0+B0 a0+b0 paddd m4, m4 ; 2A0 2a0 psubd m4, m1 ; A0-B0 a0-b0 psrad m1, %6 psrad m4, %6 mova m2, m0 ; A1 a1 paddd m0, m7 ; A1+B1 a1+b1 psubd m2, m7 ; A1-B1 a1-b1 psrad m0, %6 psrad m2, %6 packssdw m1, m1 ; A0+B0 a0+b0 movq [%5], m1 packssdw m0, m0 ; A1+B1 a1+b1 movq [16 + %5], m0 packssdw m2, m2 ; A1-B1 a1-b1 movq [96 + %5], m2 packssdw m4, m4 ; A0-B0 a0-b0 movq [112 + %5], m4 mova m1, [coeffs + 176] ; C3 C7 C3 C7 pmaddwd m1, m3 ; C3R7+C7R5 C3r7+C7r5 mova m2, m5 ; A2 a2 pmaddwd m3, [coeffs + 208] ; -C1R7+C3R5 -C1r7+C3r5 paddd m2, m1 ; A2+B2 a2+b2 psubd m5, m1 ; a2-B2 a2-b2 psrad m2, %6 psrad m5, %6 mova m1, m6 ; A3 a3 paddd m6, m3 ; A3+B3 a3+b3 psubd m1, m3 ; a3-B3 a3-b3 psrad m6, %6 psrad m1, %6 packssdw m2, m2 ; A2+B2 a2+b2 packssdw m6, m6 ; A3+B3 a3+b3 movq [32 + %5], m2 packssdw m1, m1 ; A3-B3 a3-b3 packssdw m5, m5 ; A2-B2 a2-b2 movq [48 + %5], m6 movq [64 + %5], m1 movq [80 + %5], m5 %endmacro %macro IDCT4 6 mova m0, %1 ; R4 R0 r4 r0 mova m2, %3 ; R3 R1 r3 r1 mova m3, %4 ; R7 R5 r7 r5 mova m4, [coeffs + 32] ; C4 C4 C4 C4 pmaddwd m4, m0 ; C4R4+C4R0 C4r4+C4r0 mova m5, [coeffs + 48] ; -C4 C4 -C4 C4 pmaddwd m0, m5 ; -C4R4+C4R0 -C4r4+C4r0 mova m6, m4 ; C4R4+C4R0 C4r4+C4r0 mova m7, [coeffs + 96] ; C3 C1 C3 C1 pmaddwd m7, m2 ; C3R3+C1R1 C3r3+C1r1 mova m5, m0 ; -C4R4+C4R0 -C4r4+C4r0 mova m1, [coeffs + 112] ; C7 C5 C7 C5 pmaddwd m1, m3 ; C7R7+C5R5 C7r7+C5r5 pmaddwd m2, [coeffs + 128] ; -C7R3+C3R1 -C7r3+C3r1 paddd m7, m1 ; B0 b0 mova m1, [coeffs + 144] ; -C5 -C1 -C5 -C1 pmaddwd m1, m3 ; -C5R7-C1R5 -C5r7-C1r5 paddd m7, m4 ; A0+B0 a0+b0 paddd m4, m4 ; 2A0 2a0 psubd m4, m7 ; A0-B0 a0-b0 paddd m1, m2 ; B1 b1 psrad m7, %6 psrad m4, %6 mova m2, m0 ; A1 a1 paddd m0, m1 ; A1+B1 a1+b1 psubd m2, m1 ; A1-B1 a1-b1 psrad m0, %6 psrad m2, %6 packssdw m7, m7 ; A0+B0 a0+b0 movq [%5], m7 packssdw m0, m0 ; A1+B1 a1+b1 movq [16 + %5], m0 packssdw m2, m2 ; A1-B1 a1-b1 movq [96 + %5], m2 packssdw m4, m4 ; A0-B0 a0-b0 movq [112 + %5], m4 mova m0, %3 ; R3 R1 r3 r1 mova m4, [coeffs + 160] ; -C1 C5 -C1 C5 pmaddwd m4, m0 ; -C1R3+C5R1 -C1r3+C5r1 mova m7, [coeffs + 176] ; C3 C7 C3 C7 pmaddwd m0, [coeffs + 192] ; -C5R3+C7R1 -C5r3+C7r1 pmaddwd m7, m3 ; C3R7+C7R5 C3r7+C7r5 mova m2, m5 ; A2 a2 pmaddwd m3, [coeffs + 208] ; -C1R7+C3R5 -C1r7+C3r5 paddd m4, m7 ; B2 b2 paddd m2, m4 ; A2+B2 a2+b2 psubd m5, m4 ; a2-B2 a2-b2 psrad m2, %6 psrad m5, %6 mova m4, m6 ; A3 a3 paddd m3, m0 ; B3 b3 paddd m6, m3 ; A3+B3 a3+b3 psubd m4, m3 ; a3-B3 a3-b3 psrad m6, %6 psrad m4, %6 packssdw m2, m2 ; A2+B2 a2+b2 packssdw m6, m6 ; A3+B3 a3+b3 movq [32 + %5], m2 packssdw m4, m4 ; A3-B3 a3-b3 packssdw m5, m5 ; A2-B2 a2-b2 movq [48 + %5], m6 movq [64 + %5], m4 movq [80 + %5], m5 %endmacro %macro IDCT5 6 mova m0, %1 ; R4 R0 r4 r0 mova m2, %3 ; R3 R1 r3 r1 mova m4, [coeffs + 32] ; C4 C4 C4 C4 pmaddwd m4, m0 ; C4R4+C4R0 C4r4+C4r0 mova m5, [coeffs + 48] ; -C4 C4 -C4 C4 pmaddwd m0, m5 ; -C4R4+C4R0 -C4r4+C4r0 mova m6, m4 ; C4R4+C4R0 C4r4+C4r0 mova m7, [coeffs + 96] ; C3 C1 C3 C1 pmaddwd m7, m2 ; C3R3+C1R1 C3r3+C1r1 mova m5, m0 ; -C4R4+C4R0 -C4r4+C4r0 mova m3, [coeffs + 128] pmaddwd m3, m2 ; -C7R3+C3R1 -C7r3+C3r1 paddd m7, m4 ; A0+B0 a0+b0 paddd m4, m4 ; 2A0 2a0 psubd m4, m7 ; A0-B0 a0-b0 psrad m7, %6 psrad m4, %6 mova m1, m0 ; A1 a1 paddd m0, m3 ; A1+B1 a1+b1 psubd m1, m3 ; A1-B1 a1-b1 psrad m0, %6 psrad m1, %6 packssdw m7, m7 ; A0+B0 a0+b0 movq [%5], m7 packssdw m0, m0 ; A1+B1 a1+b1 movq [16 + %5], m0 packssdw m1, m1 ; A1-B1 a1-b1 movq [96 + %5], m1 packssdw m4, m4 ; A0-B0 a0-b0 movq [112 + %5], m4 mova m4, [coeffs + 160] ; -C1 C5 -C1 C5 pmaddwd m4, m2 ; -C1R3+C5R1 -C1r3+C5r1 pmaddwd m2, [coeffs + 192] ; -C5R3+C7R1 -C5r3+C7r1 mova m1, m5 ; A2 a2 paddd m1, m4 ; A2+B2 a2+b2 psubd m5, m4 ; a2-B2 a2-b2 psrad m1, %6 psrad m5, %6 mova m4, m6 ; A3 a3 paddd m6, m2 ; A3+B3 a3+b3 psubd m4, m2 ; a3-B3 a3-b3 psrad m6, %6 psrad m4, %6 packssdw m1, m1 ; A2+B2 a2+b2 packssdw m6, m6 ; A3+B3 a3+b3 movq [32 + %5], m1 packssdw m4, m4 ; A3-B3 a3-b3 packssdw m5, m5 ; A2-B2 a2-b2 movq [48 + %5], m6 movq [64 + %5], m4 movq [80 + %5], m5 %endmacro %macro IDCT6 6 movq m0, [%1] ; R4 R0 r4 r0 movhps m0, [%1 + 16] movq m1, [%2] ; R6 R2 r6 r2 movhps m1, [%2 + 16] mova m4, [coeffs + 32] ; C4 C4 C4 C4 pmaddwd m4, m0 ; C4R4+C4R0 C4r4+C4r0 mova m5, [coeffs + 48] ; -C4 C4 -C4 C4 pmaddwd m0, m5 ; -C4R4+C4R0 -C4r4+C4r0 mova m5, [coeffs + 64] ; C6 C2 C6 C2 pmaddwd m5, m1 ; C6R6+C2R2 C6r6+C2r2 mova m6, [coeffs + 80] ; -C2 C6 -C2 C6 pmaddwd m1, m6 ; -C2R6+C6R2 -C2r6+C6r2 mova m6, m4 ; C4R4+C4R0 C4r4+C4r0 paddd m4, m5 ; A0 a0 psubd m6, m5 ; A3 a3 mova m5, m0 ; -C4R4+C4R0 -C4r4+C4r0 paddd m0, m1 ; A1 a1 psubd m5, m1 ; A2 a2 movq m2, [%1 + 8] ; R4 R0 r4 r0 movhps m2, [%1 + 24] movq m3, [%2 + 8] ; R6 R2 r6 r2 movhps m3, [%2 + 24] mova m1, [coeffs + 32] ; C4 C4 C4 C4 pmaddwd m1, m2 ; C4R4+C4R0 C4r4+C4r0 mova m7, [coeffs + 48] ; -C4 C4 -C4 C4 pmaddwd m2, m7 ; -C4R4+C4R0 -C4r4+C4r0 mova m7, [coeffs + 64] ; C6 C2 C6 C2 pmaddwd m7, m3 ; C6R6+C2R2 C6r6+C2r2 pmaddwd m3, [coeffs + 80] ; -C2R6+C6R2 -C2r6+C6r2 paddd m7, m1 ; A0 a0 paddd m1, m1 ; 2C0 2c0 psubd m1, m7 ; A3 a3 paddd m3, m2 ; A1 a1 paddd m2, m2 ; 2C1 2c1 psubd m2, m3 ; A2 a2 psrad m4, %6 psrad m7, %6 psrad m3, %6 packssdw m4, m7 ; A0 a0 pshufd m4, m4, 0xD8 mova [%5], m4 psrad m0, %6 packssdw m0, m3 ; A1 a1 pshufd m0, m0, 0xD8 mova [16 + %5], m0 mova [96 + %5], m0 mova [112 + %5], m4 psrad m5, %6 psrad m6, %6 psrad m2, %6 packssdw m5, m2 ; A2-B2 a2-b2 pshufd m5, m5, 0xD8 mova [32 + %5], m5 psrad m1, %6 packssdw m6, m1 ; A3+B3 a3+b3 pshufd m6, m6, 0xD8 mova [48 + %5], m6 mova [64 + %5], m6 mova [80 + %5], m5 %endmacro %macro IDCT7 6 mova m0, %1 ; R4 R0 r4 r0 mova m1, %2 ; R6 R2 r6 r2 mova m2, %3 ; R3 R1 r3 r1 mova m4, [coeffs + 32] ; C4 C4 C4 C4 pmaddwd m4, m0 ; C4R4+C4R0 C4r4+C4r0 mova m5, [coeffs + 48] ; -C4 C4 -C4 C4 pmaddwd m0, m5 ; -C4R4+C4R0 -C4r4+C4r0 mova m5, [coeffs + 64] ; C6 C2 C6 C2 pmaddwd m5, m1 ; C6R6+C2R2 C6r6+C2r2 mova m6, [coeffs + 80] ; -C2 C6 -C2 C6 pmaddwd m1, m6 ; -C2R6+C6R2 -C2r6+C6r2 mova m6, m4 ; C4R4+C4R0 C4r4+C4r0 mova m7, [coeffs + 96] ; C3 C1 C3 C1 pmaddwd m7, m2 ; C3R3+C1R1 C3r3+C1r1 paddd m4, m5 ; A0 a0 psubd m6, m5 ; A3 a3 mova m5, m0 ; -C4R4+C4R0 -C4r4+C4r0 paddd m0, m1 ; A1 a1 psubd m5, m1 ; A2 a2 mova m1, [coeffs + 128] pmaddwd m1, m2 ; -C7R3+C3R1 -C7r3+C3r1 paddd m7, m4 ; A0+B0 a0+b0 paddd m4, m4 ; 2A0 2a0 psubd m4, m7 ; A0-B0 a0-b0 psrad m7, %6 psrad m4, %6 mova m3, m0 ; A1 a1 paddd m0, m1 ; A1+B1 a1+b1 psubd m3, m1 ; A1-B1 a1-b1 psrad m0, %6 psrad m3, %6 packssdw m7, m7 ; A0+B0 a0+b0 movq [%5], m7 packssdw m0, m0 ; A1+B1 a1+b1 movq [16 + %5], m0 packssdw m3, m3 ; A1-B1 a1-b1 movq [96 + %5], m3 packssdw m4, m4 ; A0-B0 a0-b0 movq [112 + %5], m4 mova m4, [coeffs + 160] ; -C1 C5 -C1 C5 pmaddwd m4, m2 ; -C1R3+C5R1 -C1r3+C5r1 pmaddwd m2, [coeffs + 192] ; -C5R3+C7R1 -C5r3+C7r1 mova m3, m5 ; A2 a2 paddd m3, m4 ; A2+B2 a2+b2 psubd m5, m4 ; a2-B2 a2-b2 psrad m3, %6 psrad m5, %6 mova m4, m6 ; A3 a3 paddd m6, m2 ; A3+B3 a3+b3 psubd m4, m2 ; a3-B3 a3-b3 psrad m6, %6 packssdw m3, m3 ; A2+B2 a2+b2 movq [32 + %5], m3 psrad m4, %6 packssdw m6, m6 ; A3+B3 a3+b3 movq [48 + %5], m6 packssdw m4, m4 ; A3-B3 a3-b3 packssdw m5, m5 ; A2-B2 a2-b2 movq [64 + %5], m4 movq [80 + %5], m5 %endmacro %macro IDCT8 6 movq m0, [%1] ; R4 R0 r4 r0 movhps m0, [%1 + 16] mova m4, [coeffs + 32] ; C4 C4 C4 C4 pmaddwd m4, m0 ; C4R4+C4R0 C4r4+C4r0 mova m5, [coeffs + 48] ; -C4 C4 -C4 C4 pmaddwd m0, m5 ; -C4R4+C4R0 -C4r4+C4r0 psrad m4, %6 psrad m0, %6 movq m2, [%1 + 8] ; R4 R0 r4 r0 movhps m2, [%1 + 24] mova m1, [coeffs + 32] ; C4 C4 C4 C4 pmaddwd m1, m2 ; C4R4+C4R0 C4r4+C4r0 mova m7, [coeffs + 48] ; -C4 C4 -C4 C4 pmaddwd m2, m7 ; -C4R4+C4R0 -C4r4+C4r0 mova m7, [coeffs + 64] ; C6 C2 C6 C2 psrad m1, %6 packssdw m4, m1 ; A0 a0 pshufd m4, m4, 0xD8 mova [%5], m4 psrad m2, %6 packssdw m0, m2 ; A1 a1 pshufd m0, m0, 0xD8 mova [16 + %5], m0 mova [96 + %5], m0 mova [112 + %5], m4 mova [32 + %5], m0 mova [48 + %5], m4 mova [64 + %5], m4 mova [80 + %5], m0 %endmacro %macro IDCT 0 DC_COND_IDCT 0, 8, 16, 24, rsp + 0, null, 11 Z_COND_IDCT 32, 40, 48, 56, rsp + 32, null, 11, %%4 Z_COND_IDCT 64, 72, 80, 88, rsp + 64, null, 11, %%2 Z_COND_IDCT 96, 104, 112, 120, rsp + 96, null, 11, %%1 IDCT1 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20 IDCT1 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20 jmp %%9 ALIGN 16 %%4: Z_COND_IDCT 64, 72, 80, 88, rsp + 64, null, 11, %%6 Z_COND_IDCT 96, 104, 112, 120, rsp + 96, null, 11, %%5 IDCT2 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20 IDCT2 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20 jmp %%9 ALIGN 16 %%6: Z_COND_IDCT 96, 104, 112, 120, rsp + 96, null, 11, %%7 IDCT3 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20 IDCT3 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20 jmp %%9 ALIGN 16 %%2: Z_COND_IDCT 96, 104, 112, 120, rsp + 96, null, 11, %%3 IDCT4 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20 IDCT4 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20 jmp %%9 ALIGN 16 %%3: IDCT5 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20 IDCT5 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20 jmp %%9 ALIGN 16 %%5: IDCT6 rsp + 0, rsp + 64, rsp + 32, rsp + 96, blockq + 0, 20 jmp %%9 ALIGN 16 %%1: IDCT7 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20 IDCT7 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20 jmp %%9 ALIGN 16 %%7: IDCT8 rsp + 0, rsp + 64, rsp + 32, rsp + 96, blockq + 0, 20 %%9: %endmacro %macro PUT_PIXELS_CLAMPED_HALF 1 mova m0, [blockq+mmsize*0+%1] mova m1, [blockq+mmsize*2+%1] packuswb m0, [blockq+mmsize*1+%1] packuswb m1, [blockq+mmsize*3+%1] movq [pixelsq], m0 movhps [lsizeq+pixelsq], m0 movq [2*lsizeq+pixelsq], m1 movhps [lsize3q+pixelsq], m1 %endmacro %macro ADD_PIXELS_CLAMPED 1 mova m0, [blockq+mmsize*0+%1] mova m1, [blockq+mmsize*1+%1] movq m2, [pixelsq] movq m3, [pixelsq+lsizeq] punpcklbw m2, m4 punpcklbw m3, m4 paddsw m0, m2 paddsw m1, m3 packuswb m0, m1 movq [pixelsq], m0 movhps [pixelsq+lsizeq], m0 %endmacro INIT_XMM sse2 cglobal simple_idct, 1, 2, 8, 128, block, t0 IDCT RET cglobal simple_idct_put, 3, 5, 8, 128, pixels, lsize, block, lsize3, t0 IDCT lea lsize3q, [lsizeq*3] PUT_PIXELS_CLAMPED_HALF 0 lea pixelsq, [pixelsq+lsizeq*4] PUT_PIXELS_CLAMPED_HALF 64 RET cglobal simple_idct_add, 3, 4, 8, 128, pixels, lsize, block, t0 IDCT pxor m4, m4 ADD_PIXELS_CLAMPED 0 lea pixelsq, [pixelsq+lsizeq*2] ADD_PIXELS_CLAMPED 32 lea pixelsq, [pixelsq+lsizeq*2] ADD_PIXELS_CLAMPED 64 lea pixelsq, [pixelsq+lsizeq*2] ADD_PIXELS_CLAMPED 96 RET %endif
¤ Dauer der Verarbeitung: 0.17 Sekunden (vorverarbeitet am 2026-08-26) ¤*© Formatika GbR, Deutschland |
|
||||||||||||||
2026-08-25