mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
137 lines
3.7 KiB
137 lines
3.7 KiB
;****************************************************************************** |
|
;* optimized audio functions |
|
;* Copyright (c) 2008 Loren Merritt |
|
;* |
|
;* This file is part of Libav. |
|
;* |
|
;* Libav 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. |
|
;* |
|
;* Libav 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 Libav; 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 .text |
|
|
|
%macro SCALARPRODUCT 0 |
|
; int ff_scalarproduct_int16(int16_t *v1, int16_t *v2, int order) |
|
cglobal scalarproduct_int16, 3,3,3, v1, v2, order |
|
shl orderq, 1 |
|
add v1q, orderq |
|
add v2q, orderq |
|
neg orderq |
|
pxor m2, m2 |
|
.loop: |
|
movu m0, [v1q + orderq] |
|
movu m1, [v1q + orderq + mmsize] |
|
pmaddwd m0, [v2q + orderq] |
|
pmaddwd m1, [v2q + orderq + mmsize] |
|
paddd m2, m0 |
|
paddd m2, m1 |
|
add orderq, mmsize*2 |
|
jl .loop |
|
%if mmsize == 16 |
|
movhlps m0, m2 |
|
paddd m2, m0 |
|
pshuflw m0, m2, 0x4e |
|
%else |
|
pshufw m0, m2, 0x4e |
|
%endif |
|
paddd m2, m0 |
|
movd eax, m2 |
|
RET |
|
%endmacro |
|
|
|
INIT_MMX mmxext |
|
SCALARPRODUCT |
|
INIT_XMM sse2 |
|
SCALARPRODUCT |
|
|
|
|
|
;----------------------------------------------------------------------------- |
|
; void ff_vector_clip_int32(int32_t *dst, const int32_t *src, int32_t min, |
|
; int32_t max, unsigned int len) |
|
;----------------------------------------------------------------------------- |
|
|
|
; %1 = number of xmm registers used |
|
; %2 = number of inline load/process/store loops per asm loop |
|
; %3 = process 4*mmsize (%3=0) or 8*mmsize (%3=1) bytes per loop |
|
; %4 = CLIPD function takes min/max as float instead of int (CLIPD_SSE2) |
|
; %5 = suffix |
|
%macro VECTOR_CLIP_INT32 4-5 |
|
cglobal vector_clip_int32%5, 5,5,%1, dst, src, min, max, len |
|
%if %4 |
|
cvtsi2ss m4, minm |
|
cvtsi2ss m5, maxm |
|
%else |
|
movd m4, minm |
|
movd m5, maxm |
|
%endif |
|
SPLATD m4 |
|
SPLATD m5 |
|
.loop: |
|
%assign %%i 1 |
|
%rep %2 |
|
mova m0, [srcq+mmsize*0*%%i] |
|
mova m1, [srcq+mmsize*1*%%i] |
|
mova m2, [srcq+mmsize*2*%%i] |
|
mova m3, [srcq+mmsize*3*%%i] |
|
%if %3 |
|
mova m7, [srcq+mmsize*4*%%i] |
|
mova m8, [srcq+mmsize*5*%%i] |
|
mova m9, [srcq+mmsize*6*%%i] |
|
mova m10, [srcq+mmsize*7*%%i] |
|
%endif |
|
CLIPD m0, m4, m5, m6 |
|
CLIPD m1, m4, m5, m6 |
|
CLIPD m2, m4, m5, m6 |
|
CLIPD m3, m4, m5, m6 |
|
%if %3 |
|
CLIPD m7, m4, m5, m6 |
|
CLIPD m8, m4, m5, m6 |
|
CLIPD m9, m4, m5, m6 |
|
CLIPD m10, m4, m5, m6 |
|
%endif |
|
mova [dstq+mmsize*0*%%i], m0 |
|
mova [dstq+mmsize*1*%%i], m1 |
|
mova [dstq+mmsize*2*%%i], m2 |
|
mova [dstq+mmsize*3*%%i], m3 |
|
%if %3 |
|
mova [dstq+mmsize*4*%%i], m7 |
|
mova [dstq+mmsize*5*%%i], m8 |
|
mova [dstq+mmsize*6*%%i], m9 |
|
mova [dstq+mmsize*7*%%i], m10 |
|
%endif |
|
%assign %%i %%i+1 |
|
%endrep |
|
add srcq, mmsize*4*(%2+%3) |
|
add dstq, mmsize*4*(%2+%3) |
|
sub lend, mmsize*(%2+%3) |
|
jg .loop |
|
REP_RET |
|
%endmacro |
|
|
|
INIT_MMX mmx |
|
%define CLIPD CLIPD_MMX |
|
VECTOR_CLIP_INT32 0, 1, 0, 0 |
|
INIT_XMM sse2 |
|
VECTOR_CLIP_INT32 6, 1, 0, 0, _int |
|
%define CLIPD CLIPD_SSE2 |
|
VECTOR_CLIP_INT32 6, 2, 0, 1 |
|
INIT_XMM sse4 |
|
%define CLIPD CLIPD_SSE41 |
|
%ifdef m8 |
|
VECTOR_CLIP_INT32 11, 1, 1, 0 |
|
%else |
|
VECTOR_CLIP_INT32 6, 1, 0, 0 |
|
%endif
|
|
|