mirror of
https://github.com/FFmpeg/FFmpeg.git
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308 lines
7.8 KiB
NASM
308 lines
7.8 KiB
NASM
;******************************************************************************
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;* Copyright (c) 2012 Michael Niedermayer
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;*
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;* This file is part of FFmpeg.
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;*
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;* FFmpeg is free software; you can redistribute it and/or
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;* modify it under the terms of the GNU Lesser General Public
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;* License as published by the Free Software Foundation; either
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;* version 2.1 of the License, or (at your option) any later version.
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;*
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;* FFmpeg is distributed in the hope that it will be useful,
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;* Lesser General Public License for more details.
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;*
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;* You should have received a copy of the GNU Lesser General Public
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;* License along with FFmpeg; if not, write to the Free Software
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;******************************************************************************
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%include "libavutil/x86/x86inc.asm"
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%include "libavutil/x86/x86util.asm"
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SECTION_RODATA
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align 32
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flt2pm31: times 8 dd 4.6566129e-10
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flt2p31 : times 8 dd 2147483648.0
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flt2p15 : times 8 dd 32768.0
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SECTION .text
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%macro INT16_TO_INT32 1
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cglobal int16_to_int32_%1, 3, 3, 3, dst, src, len
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mov srcq, [srcq]
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mov dstq, [dstq]
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shl lenq, 2
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%ifidn %1, a
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test dstq, mmsize-1
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jne int16_to_int32_u_int %+ SUFFIX
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test srcq, mmsize-1
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jne int16_to_int32_u_int %+ SUFFIX
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%else
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int16_to_int32_u_int %+ SUFFIX
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%endif
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add dstq, lenq
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shr lenq, 1
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add srcq, lenq
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neg lenq
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.next
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mov%1 m2, [srcq+lenq]
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pxor m0, m0
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pxor m1, m1
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punpcklwd m0, m2
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punpckhwd m1, m2
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mov%1 [ dstq+2*lenq], m0
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mov%1 [mmsize + dstq+2*lenq], m1
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add lenq, mmsize
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jl .next
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%if mmsize == 8
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emms
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%endif
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REP_RET
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%endmacro
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%macro INT32_TO_INT16 1
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cglobal int32_to_int16_%1, 3, 3, 2, dst, src, len
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mov srcq, [srcq]
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mov dstq, [dstq]
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add lenq , lenq
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%ifidn %1, a
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test dstq, mmsize-1
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jne int32_to_int16_u_int %+ SUFFIX
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test srcq, mmsize-1
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jne int32_to_int16_u_int %+ SUFFIX
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%else
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int32_to_int16_u_int %+ SUFFIX
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%endif
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lea srcq, [srcq + 2*lenq]
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add dstq, lenq
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neg lenq
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.next:
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mov%1 m0, [ srcq+2*lenq]
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mov%1 m1, [mmsize + srcq+2*lenq]
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psrad m0, 16
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psrad m1, 16
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packssdw m0, m1
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mov%1 [ dstq+lenq], m0
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add lenq, mmsize
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jl .next
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REP_RET
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%endmacro
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;to, from, a/u, log2_outsize, log_intsize, const
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%macro PACK_2CH 5-7
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cglobal pack_2ch_%2_to_%1_%3, 3, 4, 6, dst, src, len, src2
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mov src2q , [srcq+gprsize]
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mov srcq , [srcq]
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mov dstq , [dstq]
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%ifidn %3, a
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test dstq, mmsize-1
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jne pack_2ch_%1_to_%2_u_int %+ SUFFIX
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test srcq, mmsize-1
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jne pack_2ch_%1_to_%2_u_int %+ SUFFIX
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test src2q, mmsize-1
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jne pack_2ch_%1_to_%2_u_int %+ SUFFIX
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%else
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pack_2ch_%1_to_%2_u_int %+ SUFFIX
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%endif
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lea srcq , [srcq + (1<<%5)*lenq]
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lea src2q, [src2q + (1<<%5)*lenq]
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lea dstq , [dstq + (2<<%4)*lenq]
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neg lenq
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%7
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.next:
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mov%3 m0, [ srcq +(1<<%5)*lenq]
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mova m1, m0
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mov%3 m2, [ src2q+(1<<%5)*lenq]
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%if %5 == 1
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punpcklwd m0, m2
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punpckhwd m1, m2
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%else
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punpckldq m0, m2
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punpckhdq m1, m2
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%endif
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%if %4 < %5
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mov%3 m2, [mmsize + srcq +(1<<%5)*lenq]
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mova m3, m2
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mov%3 m4, [mmsize + src2q+(1<<%5)*lenq]
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punpckldq m2, m4
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punpckhdq m3, m4
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%endif
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%6
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mov%3 [ dstq+(2<<%4)*lenq], m0
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mov%3 [ mmsize + dstq+(2<<%4)*lenq], m1
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%if %4 > %5
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mov%3 [2*mmsize + dstq+(2<<%4)*lenq], m2
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mov%3 [3*mmsize + dstq+(2<<%4)*lenq], m3
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add lenq, 4*mmsize/(2<<%4)
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%else
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add lenq, 2*mmsize/(2<<%4)
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%endif
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jl .next
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REP_RET
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%endmacro
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%macro CONV 5-7
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cglobal %2_to_%1_%3, 3, 3, 6, dst, src, len
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mov srcq , [srcq]
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mov dstq , [dstq]
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%ifidn %3, a
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test dstq, mmsize-1
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jne %2_to_%1_u_int %+ SUFFIX
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test srcq, mmsize-1
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jne %2_to_%1_u_int %+ SUFFIX
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%else
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%2_to_%1_u_int %+ SUFFIX
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%endif
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lea srcq , [srcq + (1<<%5)*lenq]
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lea dstq , [dstq + (1<<%4)*lenq]
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neg lenq
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%7
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.next:
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mov%3 m0, [ srcq +(1<<%5)*lenq]
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mov%3 m1, [ mmsize + srcq +(1<<%5)*lenq]
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%if %4 < %5
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mov%3 m2, [2*mmsize + srcq +(1<<%5)*lenq]
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mov%3 m3, [3*mmsize + srcq +(1<<%5)*lenq]
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%endif
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%6
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mov%3 [ dstq+(1<<%4)*lenq], m0
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mov%3 [ mmsize + dstq+(1<<%4)*lenq], m1
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%if %4 > %5
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mov%3 [2*mmsize + dstq+(1<<%4)*lenq], m2
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mov%3 [3*mmsize + dstq+(1<<%4)*lenq], m3
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add lenq, 4*mmsize/(1<<%4)
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%else
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add lenq, 2*mmsize/(1<<%4)
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%endif
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jl .next
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REP_RET
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%endmacro
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%macro INT16_TO_INT32_N 0
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pxor m2, m2
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pxor m3, m3
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punpcklwd m2, m1
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punpckhwd m3, m1
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SWAP 4,0
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pxor m0, m0
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pxor m1, m1
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punpcklwd m0, m4
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punpckhwd m1, m4
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%endmacro
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%macro INT32_TO_INT16_N 0
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psrad m0, 16
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psrad m1, 16
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psrad m2, 16
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psrad m3, 16
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packssdw m0, m1
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packssdw m2, m3
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SWAP 1,2
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%endmacro
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%macro INT32_TO_FLOAT_INIT 0
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mova m3, [flt2pm31]
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%endmacro
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%macro INT32_TO_FLOAT_N 0
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cvtdq2ps m0, m0
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cvtdq2ps m1, m1
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mulps m0, m0, m3
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mulps m1, m1, m3
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%endmacro
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%macro FLOAT_TO_INT32_INIT 0
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mova m3, [flt2p31]
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%endmacro
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%macro FLOAT_TO_INT32_N 0
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mulps m0, m3
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mulps m1, m3
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cvtps2dq m2, m0
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cvtps2dq m4, m1
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cmpnltps m0, m3
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cmpnltps m1, m3
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paddd m0, m2
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paddd m1, m4
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%endmacro
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%macro INT16_TO_FLOAT_INIT 0
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mova m5, [flt2pm31]
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%endmacro
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%macro INT16_TO_FLOAT_N 0
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INT16_TO_INT32_N
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cvtdq2ps m0, m0
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cvtdq2ps m1, m1
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cvtdq2ps m2, m2
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cvtdq2ps m3, m3
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mulps m0, m0, m5
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mulps m1, m1, m5
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mulps m2, m2, m5
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mulps m3, m3, m5
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%endmacro
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%macro FLOAT_TO_INT16_INIT 0
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mova m5, [flt2p15]
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%endmacro
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%macro FLOAT_TO_INT16_N 0
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mulps m0, m5
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mulps m1, m5
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mulps m2, m5
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mulps m3, m5
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cvtps2dq m0, m0
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cvtps2dq m1, m1
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packssdw m0, m1
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cvtps2dq m1, m2
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cvtps2dq m3, m3
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packssdw m1, m3
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%endmacro
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INIT_MMX mmx
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INT16_TO_INT32 u
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INT16_TO_INT32 a
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INT32_TO_INT16 u
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INT32_TO_INT16 a
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INIT_XMM sse
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INT16_TO_INT32 u
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INT16_TO_INT32 a
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INT32_TO_INT16 u
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INT32_TO_INT16 a
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PACK_2CH int16, int16, u, 1, 1
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PACK_2CH int16, int16, a, 1, 1
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PACK_2CH int32, int32, u, 2, 2
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PACK_2CH int32, int32, a, 2, 2
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PACK_2CH int32, int16, u, 2, 1, INT16_TO_INT32_N
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PACK_2CH int32, int16, a, 2, 1, INT16_TO_INT32_N
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PACK_2CH int16, int32, u, 1, 2, INT32_TO_INT16_N
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PACK_2CH int16, int32, a, 1, 2, INT32_TO_INT16_N
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INIT_XMM sse2
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CONV float, int32, u, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
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CONV float, int32, a, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
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CONV int32, float, u, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
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CONV int32, float, a, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
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CONV float, int16, u, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
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CONV float, int16, a, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
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CONV int16, float, u, 1, 2, FLOAT_TO_INT16_N, FLOAT_TO_INT16_INIT
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CONV int16, float, a, 1, 2, FLOAT_TO_INT16_N, FLOAT_TO_INT16_INIT
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PACK_2CH float, int32, u, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
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PACK_2CH float, int32, a, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
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PACK_2CH int32, float, u, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
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PACK_2CH int32, float, a, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
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PACK_2CH float, int16, u, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
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PACK_2CH float, int16, a, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
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PACK_2CH int16, float, u, 1, 2, FLOAT_TO_INT16_N, FLOAT_TO_INT16_INIT
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PACK_2CH int16, float, a, 1, 2, FLOAT_TO_INT16_N, FLOAT_TO_INT16_INIT
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%if HAVE_AVX
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INIT_YMM avx
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CONV float, int32, u, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
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CONV float, int32, a, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
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%endif
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