diff options
Diffstat (limited to 'libavcodec/x86/vc1dsp_loopfilter.asm')
-rw-r--r-- | libavcodec/x86/vc1dsp_loopfilter.asm | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/libavcodec/x86/vc1dsp_loopfilter.asm b/libavcodec/x86/vc1dsp_loopfilter.asm new file mode 100644 index 0000000000..fd33bd13dc --- /dev/null +++ b/libavcodec/x86/vc1dsp_loopfilter.asm @@ -0,0 +1,317 @@ +;****************************************************************************** +;* VC1 loopfilter optimizations +;* Copyright (c) 2009 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 +;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +;****************************************************************************** + +%include "libavutil/x86/x86util.asm" + +cextern pw_4 +cextern pw_5 + +SECTION .text + +; dst_low, dst_high (src), zero +; zero-extends one vector from 8 to 16 bits +%macro UNPACK_8TO16 4 + mova m%2, m%3 + punpckh%1 m%3, m%4 + punpckl%1 m%2, m%4 +%endmacro + +%macro STORE_4_WORDS 6 +%if cpuflag(sse4) + pextrw %1, %5, %6+0 + pextrw %2, %5, %6+1 + pextrw %3, %5, %6+2 + pextrw %4, %5, %6+3 +%else + movd %6d, %5 +%if mmsize==16 + psrldq %5, 4 +%else + psrlq %5, 32 +%endif + mov %1, %6w + shr %6, 16 + mov %2, %6w + movd %6d, %5 + mov %3, %6w + shr %6, 16 + mov %4, %6w +%endif +%endmacro + +; in: p1 p0 q0 q1, clobbers p0 +; out: p1 = (2*(p1 - q1) - 5*(p0 - q0) + 4) >> 3 +%macro VC1_LOOP_FILTER_A0 4 + psubw %1, %4 + psubw %2, %3 + paddw %1, %1 + pmullw %2, [pw_5] + psubw %1, %2 + paddw %1, [pw_4] + psraw %1, 3 +%endmacro + +; in: p0 q0 a0 a1 a2 +; m0 m1 m7 m6 m5 +; %1: size +; out: m0=p0' m1=q0' +%macro VC1_FILTER 1 + PABSW m4, m7 + PABSW m3, m6 + PABSW m2, m5 + mova m6, m4 + pminsw m3, m2 + pcmpgtw m6, m3 ; if (a2 < a0 || a1 < a0) + psubw m3, m4 + pmullw m3, [pw_5] ; 5*(a3 - a0) + PABSW m2, m3 + psraw m2, 3 ; abs(d/8) + pxor m7, m3 ; d_sign ^= a0_sign + + pxor m5, m5 + movd m3, r2d +%if %1 > 4 + punpcklbw m3, m3 +%endif + punpcklbw m3, m5 + pcmpgtw m3, m4 ; if (a0 < pq) + pand m6, m3 + + mova m3, m0 + psubw m3, m1 + PABSW m4, m3 + psraw m4, 1 + pxor m3, m7 ; d_sign ^ clip_sign + psraw m3, 15 + pminsw m2, m4 ; min(d, clip) + pcmpgtw m4, m5 + pand m6, m4 ; filt3 (C return value) + +; each set of 4 pixels is not filtered if the 3rd is not +%if mmsize==16 + pshuflw m4, m6, 0xaa +%if %1 > 4 + pshufhw m4, m4, 0xaa +%endif +%else + pshufw m4, m6, 0xaa +%endif + pandn m3, m4 + pand m2, m6 + pand m3, m2 ; d final + + psraw m7, 15 + pxor m3, m7 + psubw m3, m7 + psubw m0, m3 + paddw m1, m3 + packuswb m0, m0 + packuswb m1, m1 +%endmacro + +; 1st param: size of filter +; 2nd param: mov suffix equivalent to the filter size +%macro VC1_V_LOOP_FILTER 2 + pxor m5, m5 + mov%2 m6, [r4] + mov%2 m4, [r4+r1] + mov%2 m7, [r4+2*r1] + mov%2 m0, [r4+r3] + punpcklbw m6, m5 + punpcklbw m4, m5 + punpcklbw m7, m5 + punpcklbw m0, m5 + + VC1_LOOP_FILTER_A0 m6, m4, m7, m0 + mov%2 m1, [r0] + mov%2 m2, [r0+r1] + punpcklbw m1, m5 + punpcklbw m2, m5 + mova m4, m0 + VC1_LOOP_FILTER_A0 m7, m4, m1, m2 + mov%2 m3, [r0+2*r1] + mov%2 m4, [r0+r3] + punpcklbw m3, m5 + punpcklbw m4, m5 + mova m5, m1 + VC1_LOOP_FILTER_A0 m5, m2, m3, m4 + + VC1_FILTER %1 + mov%2 [r4+r3], m0 + mov%2 [r0], m1 +%endmacro + +; 1st param: size of filter +; NOTE: UNPACK_8TO16 this number of 8 bit numbers are in half a register +; 2nd (optional) param: temp register to use for storing words +%macro VC1_H_LOOP_FILTER 1-2 +%if %1 == 4 + movq m0, [r0 -4] + movq m1, [r0+ r1-4] + movq m2, [r0+2*r1-4] + movq m3, [r0+ r3-4] + TRANSPOSE4x4B 0, 1, 2, 3, 4 +%else + movq m0, [r0 -4] + movq m4, [r0+ r1-4] + movq m1, [r0+2*r1-4] + movq m5, [r0+ r3-4] + movq m2, [r4 -4] + movq m6, [r4+ r1-4] + movq m3, [r4+2*r1-4] + movq m7, [r4+ r3-4] + punpcklbw m0, m4 + punpcklbw m1, m5 + punpcklbw m2, m6 + punpcklbw m3, m7 + TRANSPOSE4x4W 0, 1, 2, 3, 4 +%endif + pxor m5, m5 + + UNPACK_8TO16 bw, 6, 0, 5 + UNPACK_8TO16 bw, 7, 1, 5 + VC1_LOOP_FILTER_A0 m6, m0, m7, m1 + UNPACK_8TO16 bw, 4, 2, 5 + mova m0, m1 ; m0 = p0 + VC1_LOOP_FILTER_A0 m7, m1, m4, m2 + UNPACK_8TO16 bw, 1, 3, 5 + mova m5, m4 + VC1_LOOP_FILTER_A0 m5, m2, m1, m3 + SWAP 1, 4 ; m1 = q0 + + VC1_FILTER %1 + punpcklbw m0, m1 +%if %0 > 1 + STORE_4_WORDS [r0-1], [r0+r1-1], [r0+2*r1-1], [r0+r3-1], m0, %2 +%if %1 > 4 + psrldq m0, 4 + STORE_4_WORDS [r4-1], [r4+r1-1], [r4+2*r1-1], [r4+r3-1], m0, %2 +%endif +%else + STORE_4_WORDS [r0-1], [r0+r1-1], [r0+2*r1-1], [r0+r3-1], m0, 0 + STORE_4_WORDS [r4-1], [r4+r1-1], [r4+2*r1-1], [r4+r3-1], m0, 4 +%endif +%endmacro + + +%macro START_V_FILTER 0 + mov r4, r0 + lea r3, [4*r1] + sub r4, r3 + lea r3, [r1+2*r1] + imul r2, 0x01010101 +%endmacro + +%macro START_H_FILTER 1 + lea r3, [r1+2*r1] +%if %1 > 4 + lea r4, [r0+4*r1] +%endif + imul r2, 0x01010101 +%endmacro + +%macro VC1_LF 0 +cglobal vc1_v_loop_filter_internal + VC1_V_LOOP_FILTER 4, d + ret + +cglobal vc1_h_loop_filter_internal + VC1_H_LOOP_FILTER 4, r4 + ret + +; void ff_vc1_v_loop_filter4_mmxext(uint8_t *src, int stride, int pq) +cglobal vc1_v_loop_filter4, 3,5,0 + START_V_FILTER + call vc1_v_loop_filter_internal + RET + +; void ff_vc1_h_loop_filter4_mmxext(uint8_t *src, int stride, int pq) +cglobal vc1_h_loop_filter4, 3,5,0 + START_H_FILTER 4 + call vc1_h_loop_filter_internal + RET + +; void ff_vc1_v_loop_filter8_mmxext(uint8_t *src, int stride, int pq) +cglobal vc1_v_loop_filter8, 3,5,0 + START_V_FILTER + call vc1_v_loop_filter_internal + add r4, 4 + add r0, 4 + call vc1_v_loop_filter_internal + RET + +; void ff_vc1_h_loop_filter8_mmxext(uint8_t *src, int stride, int pq) +cglobal vc1_h_loop_filter8, 3,5,0 + START_H_FILTER 4 + call vc1_h_loop_filter_internal + lea r0, [r0+4*r1] + call vc1_h_loop_filter_internal + RET +%endmacro + +INIT_MMX mmxext +VC1_LF + +INIT_XMM sse2 +; void ff_vc1_v_loop_filter8_sse2(uint8_t *src, int stride, int pq) +cglobal vc1_v_loop_filter8, 3,5,8 + START_V_FILTER + VC1_V_LOOP_FILTER 8, q + RET + +; void ff_vc1_h_loop_filter8_sse2(uint8_t *src, int stride, int pq) +cglobal vc1_h_loop_filter8, 3,6,8 + START_H_FILTER 8 + VC1_H_LOOP_FILTER 8, r5 + RET + +INIT_MMX ssse3 +; void ff_vc1_v_loop_filter4_ssse3(uint8_t *src, int stride, int pq) +cglobal vc1_v_loop_filter4, 3,5,0 + START_V_FILTER + VC1_V_LOOP_FILTER 4, d + RET + +; void ff_vc1_h_loop_filter4_ssse3(uint8_t *src, int stride, int pq) +cglobal vc1_h_loop_filter4, 3,5,0 + START_H_FILTER 4 + VC1_H_LOOP_FILTER 4, r4 + RET + +INIT_XMM ssse3 +; void ff_vc1_v_loop_filter8_ssse3(uint8_t *src, int stride, int pq) +cglobal vc1_v_loop_filter8, 3,5,8 + START_V_FILTER + VC1_V_LOOP_FILTER 8, q + RET + +; void ff_vc1_h_loop_filter8_ssse3(uint8_t *src, int stride, int pq) +cglobal vc1_h_loop_filter8, 3,6,8 + START_H_FILTER 8 + VC1_H_LOOP_FILTER 8, r5 + RET + +INIT_XMM sse4 +; void ff_vc1_h_loop_filter8_sse4(uint8_t *src, int stride, int pq) +cglobal vc1_h_loop_filter8, 3,5,8 + START_H_FILTER 8 + VC1_H_LOOP_FILTER 8 + RET |