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FFmpeg/libswresample/x86/audio_convert.asm

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;******************************************************************************
;* Copyright (c) 2012 Michael Niedermayer
;*
;* 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/x86inc.asm"
%include "libavutil/x86/x86util.asm"
SECTION_RODATA
align 32
flt2pm31: times 8 dd 4.6566129e-10
flt2p31 : times 8 dd 2147483648.0
flt2p15 : times 8 dd 32768.0
SECTION .text
%macro INT16_TO_INT32 1
cglobal int16_to_int32_%1, 3, 3, 3, dst, src, len
mov srcq, [srcq]
mov dstq, [dstq]
shl lenq, 2
%ifidn %1, a
test dstq, mmsize-1
jne int16_to_int32_u_int %+ SUFFIX
test srcq, mmsize-1
jne int16_to_int32_u_int %+ SUFFIX
%else
int16_to_int32_u_int %+ SUFFIX
%endif
add dstq, lenq
shr lenq, 1
add srcq, lenq
neg lenq
.next
mov%1 m2, [srcq+lenq]
pxor m0, m0
pxor m1, m1
punpcklwd m0, m2
punpckhwd m1, m2
mov%1 [ dstq+2*lenq], m0
mov%1 [mmsize + dstq+2*lenq], m1
add lenq, mmsize
jl .next
%if mmsize == 8
emms
%endif
REP_RET
%endmacro
%macro INT32_TO_INT16 1
cglobal int32_to_int16_%1, 3, 3, 2, dst, src, len
mov srcq, [srcq]
mov dstq, [dstq]
add lenq , lenq
%ifidn %1, a
test dstq, mmsize-1
jne int32_to_int16_u_int %+ SUFFIX
test srcq, mmsize-1
jne int32_to_int16_u_int %+ SUFFIX
%else
int32_to_int16_u_int %+ SUFFIX
%endif
lea srcq, [srcq + 2*lenq]
add dstq, lenq
neg lenq
.next:
mov%1 m0, [ srcq+2*lenq]
mov%1 m1, [mmsize + srcq+2*lenq]
psrad m0, 16
psrad m1, 16
packssdw m0, m1
mov%1 [ dstq+lenq], m0
add lenq, mmsize
jl .next
REP_RET
%endmacro
;to, from, a/u, log2_outsize, log_intsize, const
%macro PACK_2CH 5-7
cglobal pack_2ch_%2_to_%1_%3, 3, 4, 6, dst, src, len, src2
mov src2q , [srcq+gprsize]
mov srcq , [srcq]
mov dstq , [dstq]
%ifidn %3, a
test dstq, mmsize-1
jne pack_2ch_%1_to_%2_u_int %+ SUFFIX
test srcq, mmsize-1
jne pack_2ch_%1_to_%2_u_int %+ SUFFIX
test src2q, mmsize-1
jne pack_2ch_%1_to_%2_u_int %+ SUFFIX
%else
pack_2ch_%1_to_%2_u_int %+ SUFFIX
%endif
lea srcq , [srcq + (1<<%5)*lenq]
lea src2q, [src2q + (1<<%5)*lenq]
lea dstq , [dstq + (2<<%4)*lenq]
neg lenq
%7
.next:
mov%3 m0, [ srcq +(1<<%5)*lenq]
mova m1, m0
mov%3 m2, [ src2q+(1<<%5)*lenq]
%if %5 == 1
punpcklwd m0, m2
punpckhwd m1, m2
%else
punpckldq m0, m2
punpckhdq m1, m2
%endif
%if %4 < %5
mov%3 m2, [mmsize + srcq +(1<<%5)*lenq]
mova m3, m2
mov%3 m4, [mmsize + src2q+(1<<%5)*lenq]
punpckldq m2, m4
punpckhdq m3, m4
%endif
%6
mov%3 [ dstq+(2<<%4)*lenq], m0
mov%3 [ mmsize + dstq+(2<<%4)*lenq], m1
%if %4 > %5
mov%3 [2*mmsize + dstq+(2<<%4)*lenq], m2
mov%3 [3*mmsize + dstq+(2<<%4)*lenq], m3
add lenq, 4*mmsize/(2<<%4)
%else
add lenq, 2*mmsize/(2<<%4)
%endif
jl .next
REP_RET
%endmacro
%macro CONV 5-7
cglobal %2_to_%1_%3, 3, 3, 6, dst, src, len
mov srcq , [srcq]
mov dstq , [dstq]
%ifidn %3, a
test dstq, mmsize-1
jne %2_to_%1_u_int %+ SUFFIX
test srcq, mmsize-1
jne %2_to_%1_u_int %+ SUFFIX
%else
%2_to_%1_u_int %+ SUFFIX
%endif
lea srcq , [srcq + (1<<%5)*lenq]
lea dstq , [dstq + (1<<%4)*lenq]
neg lenq
%7
.next:
mov%3 m0, [ srcq +(1<<%5)*lenq]
mov%3 m1, [ mmsize + srcq +(1<<%5)*lenq]
%if %4 < %5
mov%3 m2, [2*mmsize + srcq +(1<<%5)*lenq]
mov%3 m3, [3*mmsize + srcq +(1<<%5)*lenq]
%endif
%6
mov%3 [ dstq+(1<<%4)*lenq], m0
mov%3 [ mmsize + dstq+(1<<%4)*lenq], m1
%if %4 > %5
mov%3 [2*mmsize + dstq+(1<<%4)*lenq], m2
mov%3 [3*mmsize + dstq+(1<<%4)*lenq], m3
add lenq, 4*mmsize/(1<<%4)
%else
add lenq, 2*mmsize/(1<<%4)
%endif
jl .next
REP_RET
%endmacro
%macro INT16_TO_INT32_N 0
pxor m2, m2
pxor m3, m3
punpcklwd m2, m1
punpckhwd m3, m1
SWAP 4,0
pxor m0, m0
pxor m1, m1
punpcklwd m0, m4
punpckhwd m1, m4
%endmacro
%macro INT32_TO_INT16_N 0
psrad m0, 16
psrad m1, 16
psrad m2, 16
psrad m3, 16
packssdw m0, m1
packssdw m2, m3
SWAP 1,2
%endmacro
%macro INT32_TO_FLOAT_INIT 0
mova m3, [flt2pm31]
%endmacro
%macro INT32_TO_FLOAT_N 0
cvtdq2ps m0, m0
cvtdq2ps m1, m1
mulps m0, m0, m3
mulps m1, m1, m3
%endmacro
%macro FLOAT_TO_INT32_INIT 0
mova m3, [flt2p31]
%endmacro
%macro FLOAT_TO_INT32_N 0
mulps m0, m3
mulps m1, m3
cvtps2dq m2, m0
cvtps2dq m4, m1
cmpnltps m0, m3
cmpnltps m1, m3
paddd m0, m2
paddd m1, m4
%endmacro
%macro INT16_TO_FLOAT_INIT 0
mova m5, [flt2pm31]
%endmacro
%macro INT16_TO_FLOAT_N 0
INT16_TO_INT32_N
cvtdq2ps m0, m0
cvtdq2ps m1, m1
cvtdq2ps m2, m2
cvtdq2ps m3, m3
mulps m0, m0, m5
mulps m1, m1, m5
mulps m2, m2, m5
mulps m3, m3, m5
%endmacro
%macro FLOAT_TO_INT16_INIT 0
mova m5, [flt2p15]
%endmacro
%macro FLOAT_TO_INT16_N 0
mulps m0, m5
mulps m1, m5
mulps m2, m5
mulps m3, m5
cvtps2dq m0, m0
cvtps2dq m1, m1
packssdw m0, m1
cvtps2dq m1, m2
cvtps2dq m3, m3
packssdw m1, m3
%endmacro
INIT_MMX mmx
INT16_TO_INT32 u
INT16_TO_INT32 a
INT32_TO_INT16 u
INT32_TO_INT16 a
INIT_XMM sse
INT16_TO_INT32 u
INT16_TO_INT32 a
INT32_TO_INT16 u
INT32_TO_INT16 a
PACK_2CH int16, int16, u, 1, 1
PACK_2CH int16, int16, a, 1, 1
PACK_2CH int32, int32, u, 2, 2
PACK_2CH int32, int32, a, 2, 2
PACK_2CH int32, int16, u, 2, 1, INT16_TO_INT32_N
PACK_2CH int32, int16, a, 2, 1, INT16_TO_INT32_N
PACK_2CH int16, int32, u, 1, 2, INT32_TO_INT16_N
PACK_2CH int16, int32, a, 1, 2, INT32_TO_INT16_N
INIT_XMM sse2
CONV float, int32, u, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
CONV float, int32, a, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
CONV int32, float, u, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
CONV int32, float, a, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
CONV float, int16, u, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
CONV float, int16, a, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
CONV int16, float, u, 1, 2, FLOAT_TO_INT16_N, FLOAT_TO_INT16_INIT
CONV int16, float, a, 1, 2, FLOAT_TO_INT16_N, FLOAT_TO_INT16_INIT
PACK_2CH float, int32, u, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
PACK_2CH float, int32, a, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
PACK_2CH int32, float, u, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
PACK_2CH int32, float, a, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
PACK_2CH float, int16, u, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
PACK_2CH float, int16, a, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
PACK_2CH int16, float, u, 1, 2, FLOAT_TO_INT16_N, FLOAT_TO_INT16_INIT
PACK_2CH int16, float, a, 1, 2, FLOAT_TO_INT16_N, FLOAT_TO_INT16_INIT
%if HAVE_AVX
INIT_YMM avx
CONV float, int32, u, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
CONV float, int32, a, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
%endif