2012-03-23 22:42:17 +01:00
|
|
|
;******************************************************************************
|
|
|
|
;* x86 optimized channel mixing
|
|
|
|
;* Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
|
|
|
|
;*
|
|
|
|
;* 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 "x86inc.asm"
|
|
|
|
%include "x86util.asm"
|
|
|
|
|
|
|
|
SECTION_TEXT
|
|
|
|
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
; void ff_mix_2_to_1_fltp_flt(float **src, float **matrix, int len,
|
|
|
|
; int out_ch, int in_ch);
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
|
|
|
|
%macro MIX_2_TO_1_FLTP_FLT 0
|
|
|
|
cglobal mix_2_to_1_fltp_flt, 3,4,6, src, matrix, len, src1
|
|
|
|
mov src1q, [srcq+gprsize]
|
|
|
|
mov srcq, [srcq ]
|
|
|
|
sub src1q, srcq
|
|
|
|
mov matrixq, [matrixq ]
|
|
|
|
VBROADCASTSS m4, [matrixq ]
|
|
|
|
VBROADCASTSS m5, [matrixq+4]
|
|
|
|
ALIGN 16
|
|
|
|
.loop:
|
|
|
|
mulps m0, m4, [srcq ]
|
|
|
|
mulps m1, m5, [srcq+src1q ]
|
|
|
|
mulps m2, m4, [srcq+ mmsize]
|
|
|
|
mulps m3, m5, [srcq+src1q+mmsize]
|
|
|
|
addps m0, m0, m1
|
|
|
|
addps m2, m2, m3
|
|
|
|
mova [srcq ], m0
|
|
|
|
mova [srcq+mmsize], m2
|
|
|
|
add srcq, mmsize*2
|
|
|
|
sub lend, mmsize*2/4
|
|
|
|
jg .loop
|
|
|
|
%if mmsize == 32
|
|
|
|
vzeroupper
|
|
|
|
RET
|
|
|
|
%else
|
|
|
|
REP_RET
|
|
|
|
%endif
|
|
|
|
%endmacro
|
|
|
|
|
|
|
|
INIT_XMM sse
|
|
|
|
MIX_2_TO_1_FLTP_FLT
|
2012-04-28 12:51:06 +02:00
|
|
|
%if HAVE_AVX
|
2012-03-23 22:42:17 +01:00
|
|
|
INIT_YMM avx
|
|
|
|
MIX_2_TO_1_FLTP_FLT
|
2012-04-28 12:51:06 +02:00
|
|
|
%endif
|