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ffmpeg.wasm-core
Commit 37355fe8 authored by Jason Garrett-Glaser's avatar Jason Garrett-Glaser
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Make x86util.asm LGPL so we can use it in LGPL asm 

Strip out most x264-specific stuff (not used anywhere in ffmpeg).

Originally committed as revision 23877 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent bc14f04b
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libavcodec/x86/x86util.asm
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;*****************************************************************************
;* x86util.asm
;*****************************************************************************
;* Copyright (C) 2008 x264 project
;* Copyright (C) 2008-2010 x264 project
;*
;* Authors: Holger Lubitz <holger@lubitz.org>
;* Loren Merritt <lorenm@u.washington.edu>
;* Authors: Loren Merritt <lorenm@u.washington.edu>
;* Holger Lubitz <holger@lubitz.org>
;*
;* This program is free software; you can redistribute it and/or modify
;* it under the terms of the GNU General Public License as published by
;* the Free Software Foundation; either version 2 of the License, or
;* (at your option) any later version.
;* This file is part of FFmpeg.
;*
;* This program is distributed in the hope that it will be useful,
;* 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 General Public License for more details.
;* 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 General Public License
;* along with this program; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
;*****************************************************************************
%assign FENC_STRIDE 16
%assign FDEC_STRIDE 32
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%macro SBUTTERFLY 4
mova m%4, m%2
......@@ -244,165 +243,6 @@
%endif
%endmacro
%macro HADAMARD4_V 4+
SUMSUB_BADC %1, %2, %3, %4
SUMSUB_BADC %1, %3, %2, %4
%endmacro
%macro HADAMARD8_V 8+
SUMSUB_BADC %1, %2, %3, %4
SUMSUB_BADC %5, %6, %7, %8
SUMSUB_BADC %1, %3, %2, %4
SUMSUB_BADC %5, %7, %6, %8
SUMSUB_BADC %1, %5, %2, %6
SUMSUB_BADC %3, %7, %4, %8
%endmacro
%macro TRANS_SSE2 5-6
; TRANSPOSE2x2
; %1: transpose width (d/q) - use SBUTTERFLY qdq for dq
; %2: ord/unord (for compat with sse4, unused)
; %3/%4: source regs
; %5/%6: tmp regs
%ifidn %1, d
%define mask [mask_10]
%define shift 16
%elifidn %1, q
%define mask [mask_1100]
%define shift 32
%endif
%if %0==6 ; less dependency if we have two tmp
mova m%5, mask ; ff00
mova m%6, m%4 ; x5x4
psll%1 m%4, shift ; x4..
pand m%6, m%5 ; x5..
pandn m%5, m%3 ; ..x0
psrl%1 m%3, shift ; ..x1
por m%4, m%5 ; x4x0
por m%3, m%6 ; x5x1
%else ; more dependency, one insn less. sometimes faster, sometimes not
mova m%5, m%4 ; x5x4
psll%1 m%4, shift ; x4..
pxor m%4, m%3 ; (x4^x1)x0
pand m%4, mask ; (x4^x1)..
pxor m%3, m%4 ; x4x0
psrl%1 m%4, shift ; ..(x1^x4)
pxor m%5, m%4 ; x5x1
SWAP %4, %3, %5
%endif
%endmacro
%macro TRANS_SSE4 5-6 ; see above
%ifidn %1, d
mova m%5, m%3
%ifidn %2, ord
psrl%1 m%3, 16
%endif
pblendw m%3, m%4, 10101010b
psll%1 m%4, 16
%ifidn %2, ord
pblendw m%4, m%5, 01010101b
%else
psrl%1 m%5, 16
por m%4, m%5
%endif
%elifidn %1, q
mova m%5, m%3
shufps m%3, m%4, 10001000b
shufps m%5, m%4, 11011101b
SWAP %4, %5
%endif
%endmacro
%macro HADAMARD 5-6
; %1=distance in words (0 for vertical pass, 1/2/4 for horizontal passes)
; %2=sumsub/max/amax (sum and diff / maximum / maximum of absolutes)
; %3/%4: regs
; %5(%6): tmpregs
%if %1!=0 ; have to reorder stuff for horizontal op
%ifidn %2, sumsub
%define ORDER ord
; sumsub needs order because a-b != b-a unless a=b
%else
%define ORDER unord
; if we just max, order doesn't matter (allows pblendw+or in sse4)
%endif
%if %1==1
TRANS d, ORDER, %3, %4, %5, %6
%elif %1==2
%if mmsize==8
SBUTTERFLY dq, %3, %4, %5
%else
TRANS q, ORDER, %3, %4, %5, %6
%endif
%elif %1==4
SBUTTERFLY qdq, %3, %4, %5
%endif
%endif
%ifidn %2, sumsub
SUMSUB_BA m%3, m%4, m%5
%else
%ifidn %2, amax
%if %0==6
ABS2 m%3, m%4, m%5, m%6
%else
ABS1 m%3, m%5
ABS1 m%4, m%5
%endif
%endif
pmaxsw m%3, m%4
%endif
%endmacro
%macro HADAMARD2_2D 6-7 sumsub
HADAMARD 0, sumsub, %1, %2, %5
HADAMARD 0, sumsub, %3, %4, %5
SBUTTERFLY %6, %1, %2, %5
%ifnum %7
HADAMARD 0, amax, %1, %2, %5, %7
%else
HADAMARD 0, %7, %1, %2, %5
%endif
SBUTTERFLY %6, %3, %4, %5
%ifnum %7
HADAMARD 0, amax, %3, %4, %5, %7
%else
HADAMARD 0, %7, %3, %4, %5
%endif
%endmacro
%macro HADAMARD4_2D 5-6 sumsub
HADAMARD2_2D %1, %2, %3, %4, %5, wd
HADAMARD2_2D %1, %3, %2, %4, %5, dq, %6
SWAP %2, %3
%endmacro
%macro HADAMARD4_2D_SSE 5-6 sumsub
HADAMARD 0, sumsub, %1, %2, %5 ; 1st V row 0 + 1
HADAMARD 0, sumsub, %3, %4, %5 ; 1st V row 2 + 3
SBUTTERFLY wd, %1, %2, %5 ; %1: m0 1+0 %2: m1 1+0
SBUTTERFLY wd, %3, %4, %5 ; %3: m0 3+2 %4: m1 3+2
HADAMARD2_2D %1, %3, %2, %4, %5, dq
SBUTTERFLY qdq, %1, %2, %5
HADAMARD 0, %6, %1, %2, %5 ; 2nd H m1/m0 row 0+1
SBUTTERFLY qdq, %3, %4, %5
HADAMARD 0, %6, %3, %4, %5 ; 2nd H m1/m0 row 2+3
%endmacro
%macro HADAMARD8_2D 9-10 sumsub
HADAMARD2_2D %1, %2, %3, %4, %9, wd
HADAMARD2_2D %5, %6, %7, %8, %9, wd
HADAMARD2_2D %1, %3, %2, %4, %9, dq
HADAMARD2_2D %5, %7, %6, %8, %9, dq
HADAMARD2_2D %1, %5, %3, %7, %9, qdq, %10
HADAMARD2_2D %2, %6, %4, %8, %9, qdq, %10
%ifnidn %10, amax
SWAP %2, %5
SWAP %4, %7
%endif
%endmacro
%macro SUMSUB2_AB 3
mova %3, %1
paddw %1, %1
......@@ -483,32 +323,6 @@
%endif
%endmacro
%macro LOAD_DIFF8x4_SSE2 8
LOAD_DIFF m%1, m%5, m%6, [%7+%1*FENC_STRIDE], [%8+%1*FDEC_STRIDE]
LOAD_DIFF m%2, m%5, m%6, [%7+%2*FENC_STRIDE], [%8+%2*FDEC_STRIDE]
LOAD_DIFF m%3, m%5, m%6, [%7+%3*FENC_STRIDE], [%8+%3*FDEC_STRIDE]
LOAD_DIFF m%4, m%5, m%6, [%7+%4*FENC_STRIDE], [%8+%4*FDEC_STRIDE]
%endmacro
%macro LOAD_DIFF8x4_SSSE3 8 ; 4x dst, 1x tmp, 1x mul, 2x ptr
movh m%2, [%8+%1*FDEC_STRIDE]
movh m%1, [%7+%1*FENC_STRIDE]
punpcklbw m%1, m%2
movh m%3, [%8+%2*FDEC_STRIDE]
movh m%2, [%7+%2*FENC_STRIDE]
punpcklbw m%2, m%3
movh m%4, [%8+%3*FDEC_STRIDE]
movh m%3, [%7+%3*FENC_STRIDE]
punpcklbw m%3, m%4
movh m%5, [%8+%4*FDEC_STRIDE]
movh m%4, [%7+%4*FENC_STRIDE]
punpcklbw m%4, m%5
pmaddubsw m%1, m%6
pmaddubsw m%2, m%6
pmaddubsw m%3, m%6
pmaddubsw m%4, m%6
%endmacro
%macro STORE_DCT 6
movq [%5+%6+ 0], m%1
movq [%5+%6+ 8], m%2
......@@ -520,17 +334,6 @@
movhps [%5+%6+56], m%4
%endmacro
%macro STORE_IDCT 4
movhps [r0-4*FDEC_STRIDE], %1
movh [r0-3*FDEC_STRIDE], %1
movhps [r0-2*FDEC_STRIDE], %2
movh [r0-1*FDEC_STRIDE], %2
movhps [r0+0*FDEC_STRIDE], %3
movh [r0+1*FDEC_STRIDE], %3
movhps [r0+2*FDEC_STRIDE], %4
movh [r0+3*FDEC_STRIDE], %4
%endmacro
%macro LOAD_DIFF_8x4P 7-10 r0,r2,0 ; 4x dest, 2x temp, 2x pointer, increment?
LOAD_DIFF m%1, m%5, m%7, [%8], [%9]
LOAD_DIFF m%2, m%6, m%7, [%8+r1], [%9+r3]
......
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