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FFmpeg/libavcodec/x86/fmtconvert.asm

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;******************************************************************************
;* x86 optimized Format Conversion Utils
;* 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 "x86inc.asm"
%include "x86util.asm"
SECTION_TEXT
;---------------------------------------------------------------------------------
; void int32_to_float_fmul_scalar(float *dst, const int *src, float mul, int len);
;---------------------------------------------------------------------------------
%macro INT32_TO_FLOAT_FMUL_SCALAR 2
%ifdef ARCH_X86_64
cglobal int32_to_float_fmul_scalar_%1, 3,3,%2, dst, src, len
%else
cglobal int32_to_float_fmul_scalar_%1, 4,4,%2, dst, src, mul, len
movss m0, mulm
%endif
SPLATD m0
shl lenq, 2
add srcq, lenq
add dstq, lenq
neg lenq
.loop:
%ifidn %1, sse2
cvtdq2ps m1, [srcq+lenq ]
cvtdq2ps m2, [srcq+lenq+16]
%else
cvtpi2ps m1, [srcq+lenq ]
cvtpi2ps m3, [srcq+lenq+ 8]
cvtpi2ps m2, [srcq+lenq+16]
cvtpi2ps m4, [srcq+lenq+24]
movlhps m1, m3
movlhps m2, m4
%endif
mulps m1, m0
mulps m2, m0
mova [dstq+lenq ], m1
mova [dstq+lenq+16], m2
add lenq, 32
jl .loop
REP_RET
%endmacro
INIT_XMM
%define SPLATD SPLATD_SSE
%define movdqa movaps
INT32_TO_FLOAT_FMUL_SCALAR sse, 5
%undef movdqa
%define SPLATD SPLATD_SSE2
INT32_TO_FLOAT_FMUL_SCALAR sse2, 3
%undef SPLATD
;------------------------------------------------------------------------------
; void ff_float_to_int16(int16_t *dst, const float *src, long len);
;------------------------------------------------------------------------------
%macro FLOAT_TO_INT16 2
cglobal float_to_int16_%1, 3,3,%2, dst, src, len
add lenq, lenq
lea srcq, [srcq+2*lenq]
add dstq, lenq
neg lenq
.loop:
%ifidn %1, sse2
cvtps2dq m0, [srcq+2*lenq ]
cvtps2dq m1, [srcq+2*lenq+16]
packssdw m0, m1
mova [dstq+lenq], m0
%else
cvtps2pi m0, [srcq+2*lenq ]
cvtps2pi m1, [srcq+2*lenq+ 8]
cvtps2pi m2, [srcq+2*lenq+16]
cvtps2pi m3, [srcq+2*lenq+24]
packssdw m0, m1
packssdw m2, m3
mova [dstq+lenq ], m0
mova [dstq+lenq+8], m2
%endif
add lenq, 16
js .loop
%ifnidn %1, sse2
emms
%endif
REP_RET
%endmacro
INIT_XMM
FLOAT_TO_INT16 sse2, 2
INIT_MMX
FLOAT_TO_INT16 sse, 0
%define cvtps2pi pf2id
FLOAT_TO_INT16 3dnow, 0
%undef cvtps2pi
;-------------------------------------------------------------------------------
; void ff_float_to_int16_interleave2(int16_t *dst, const float **src, long len);
;-------------------------------------------------------------------------------
%macro FLOAT_TO_INT16_INTERLEAVE2 1
cglobal float_to_int16_interleave2_%1, 3,4,2, dst, src0, src1, len
lea lenq, [4*r2q]
mov src1q, [src0q+gprsize]
mov src0q, [src0q]
add dstq, lenq
add src0q, lenq
add src1q, lenq
neg lenq
.loop:
%ifidn %1, sse2
cvtps2dq m0, [src0q+lenq]
cvtps2dq m1, [src1q+lenq]
packssdw m0, m1
movhlps m1, m0
punpcklwd m0, m1
mova [dstq+lenq], m0
%else
cvtps2pi m0, [src0q+lenq ]
cvtps2pi m1, [src0q+lenq+8]
cvtps2pi m2, [src1q+lenq ]
cvtps2pi m3, [src1q+lenq+8]
packssdw m0, m1
packssdw m2, m3
mova m1, m0
punpcklwd m0, m2
punpckhwd m1, m2
mova [dstq+lenq ], m0
mova [dstq+lenq+8], m1
%endif
add lenq, 16
js .loop
%ifnidn %1, sse2
emms
%endif
REP_RET
%endmacro
INIT_MMX
%define cvtps2pi pf2id
FLOAT_TO_INT16_INTERLEAVE2 3dnow
%undef cvtps2pi
%define movdqa movaps
FLOAT_TO_INT16_INTERLEAVE2 sse
%undef movdqa
INIT_XMM
FLOAT_TO_INT16_INTERLEAVE2 sse2
%macro PSWAPD_SSE 2
pshufw %1, %2, 0x4e
%endmacro
%macro PSWAPD_3DN1 2
movq %1, %2
psrlq %1, 32
punpckldq %1, %2
%endmacro
%macro FLOAT_TO_INT16_INTERLEAVE6 1
; void float_to_int16_interleave6_sse(int16_t *dst, const float **src, int len)
cglobal float_to_int16_interleave6_%1, 2,7,0, dst, src, src1, src2, src3, src4, src5
%ifdef ARCH_X86_64
%define lend r10d
mov lend, r2d
%else
%define lend dword r2m
%endif
mov src1q, [srcq+1*gprsize]
mov src2q, [srcq+2*gprsize]
mov src3q, [srcq+3*gprsize]
mov src4q, [srcq+4*gprsize]
mov src5q, [srcq+5*gprsize]
mov srcq, [srcq]
sub src1q, srcq
sub src2q, srcq
sub src3q, srcq
sub src4q, srcq
sub src5q, srcq
.loop:
cvtps2pi mm0, [srcq]
cvtps2pi mm1, [srcq+src1q]
cvtps2pi mm2, [srcq+src2q]
cvtps2pi mm3, [srcq+src3q]
cvtps2pi mm4, [srcq+src4q]
cvtps2pi mm5, [srcq+src5q]
packssdw mm0, mm3
packssdw mm1, mm4
packssdw mm2, mm5
pswapd mm3, mm0
punpcklwd mm0, mm1
punpckhwd mm1, mm2
punpcklwd mm2, mm3
pswapd mm3, mm0
punpckldq mm0, mm2
punpckhdq mm2, mm1
punpckldq mm1, mm3
movq [dstq ], mm0
movq [dstq+16], mm2
movq [dstq+ 8], mm1
add srcq, 8
add dstq, 24
sub lend, 2
jg .loop
emms
RET
%endmacro ; FLOAT_TO_INT16_INTERLEAVE6
%define pswapd PSWAPD_SSE
FLOAT_TO_INT16_INTERLEAVE6 sse
%define cvtps2pi pf2id
%define pswapd PSWAPD_3DN1
FLOAT_TO_INT16_INTERLEAVE6 3dnow
%undef pswapd
FLOAT_TO_INT16_INTERLEAVE6 3dn2
%undef cvtps2pi
;-----------------------------------------------------------------------------
; void ff_float_interleave6(float *dst, const float **src, unsigned int len);
;-----------------------------------------------------------------------------
%macro FLOAT_INTERLEAVE6 2
cglobal float_interleave6_%1, 2,7,%2, dst, src, src1, src2, src3, src4, src5
%ifdef ARCH_X86_64
%define lend r10d
mov lend, r2d
%else
%define lend dword r2m
%endif
mov src1q, [srcq+1*gprsize]
mov src2q, [srcq+2*gprsize]
mov src3q, [srcq+3*gprsize]
mov src4q, [srcq+4*gprsize]
mov src5q, [srcq+5*gprsize]
mov srcq, [srcq]
sub src1q, srcq
sub src2q, srcq
sub src3q, srcq
sub src4q, srcq
sub src5q, srcq
.loop:
%ifidn %1, sse
movaps m0, [srcq]
movaps m1, [srcq+src1q]
movaps m2, [srcq+src2q]
movaps m3, [srcq+src3q]
movaps m4, [srcq+src4q]
movaps m5, [srcq+src5q]
SBUTTERFLYPS 0, 1, 6
SBUTTERFLYPS 2, 3, 6
SBUTTERFLYPS 4, 5, 6
movaps m6, m4
shufps m4, m0, 0xe4
movlhps m0, m2
movhlps m6, m2
movaps [dstq ], m0
movaps [dstq+16], m4
movaps [dstq+32], m6
movaps m6, m5
shufps m5, m1, 0xe4
movlhps m1, m3
movhlps m6, m3
movaps [dstq+48], m1
movaps [dstq+64], m5
movaps [dstq+80], m6
%else ; mmx
movq m0, [srcq]
movq m1, [srcq+src1q]
movq m2, [srcq+src2q]
movq m3, [srcq+src3q]
movq m4, [srcq+src4q]
movq m5, [srcq+src5q]
SBUTTERFLY dq, 0, 1, 6
SBUTTERFLY dq, 2, 3, 6
SBUTTERFLY dq, 4, 5, 6
movq [dstq ], m0
movq [dstq+ 8], m2
movq [dstq+16], m4
movq [dstq+24], m1
movq [dstq+32], m3
movq [dstq+40], m5
%endif
add srcq, mmsize
add dstq, mmsize*6
sub lend, mmsize/4
jg .loop
%ifidn %1, mmx
emms
%endif
REP_RET
%endmacro
INIT_MMX
FLOAT_INTERLEAVE6 mmx, 0
INIT_XMM
FLOAT_INTERLEAVE6 sse, 7
;-----------------------------------------------------------------------------
; void ff_float_interleave2(float *dst, const float **src, unsigned int len);
;-----------------------------------------------------------------------------
%macro FLOAT_INTERLEAVE2 2
cglobal float_interleave2_%1, 3,4,%2, dst, src, len, src1
mov src1q, [srcq+gprsize]
mov srcq, [srcq ]
sub src1q, srcq
.loop
MOVPS m0, [srcq ]
MOVPS m1, [srcq+src1q ]
MOVPS m3, [srcq +mmsize]
MOVPS m4, [srcq+src1q+mmsize]
MOVPS m2, m0
PUNPCKLDQ m0, m1
PUNPCKHDQ m2, m1
MOVPS m1, m3
PUNPCKLDQ m3, m4
PUNPCKHDQ m1, m4
MOVPS [dstq ], m0
MOVPS [dstq+1*mmsize], m2
MOVPS [dstq+2*mmsize], m3
MOVPS [dstq+3*mmsize], m1
add srcq, mmsize*2
add dstq, mmsize*4
sub lend, mmsize/2
jg .loop
%ifidn %1, mmx
emms
%endif
REP_RET
%endmacro
INIT_MMX
%define MOVPS movq
%define PUNPCKLDQ punpckldq
%define PUNPCKHDQ punpckhdq
FLOAT_INTERLEAVE2 mmx, 0
INIT_XMM
%define MOVPS movaps
%define PUNPCKLDQ unpcklps
%define PUNPCKHDQ unpckhps
FLOAT_INTERLEAVE2 sse, 5
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