2d5e9451de
* commit 'f46bb608d9d76c543e4929dc8cffe36b84bd789e': dsputil: Split off pixel block routines into their own context Conflicts: configure libavcodec/dsputil.c libavcodec/mpegvideo_enc.c libavcodec/pixblockdsp_template.c libavcodec/x86/dsputilenc.asm libavcodec/x86/dsputilenc_mmx.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
468 lines
12 KiB
NASM
468 lines
12 KiB
NASM
;*****************************************************************************
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;* MMX optimized DSP utils
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;*****************************************************************************
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;* Copyright (c) 2000, 2001 Fabrice Bellard
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;* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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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/x86util.asm"
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SECTION .text
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%macro DIFF_PIXELS_1 4
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movh %1, %3
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movh %2, %4
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punpcklbw %2, %1
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punpcklbw %1, %1
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psubw %1, %2
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%endmacro
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; %1=uint8_t *pix1, %2=uint8_t *pix2, %3=static offset, %4=stride, %5=stride*3
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; %6=temporary storage location
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; this macro requires $mmsize stack space (aligned) on %6 (except on SSE+x86-64)
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%macro DIFF_PIXELS_8 6
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DIFF_PIXELS_1 m0, m7, [%1 +%3], [%2 +%3]
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DIFF_PIXELS_1 m1, m7, [%1+%4 +%3], [%2+%4 +%3]
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DIFF_PIXELS_1 m2, m7, [%1+%4*2+%3], [%2+%4*2+%3]
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add %1, %5
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add %2, %5
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DIFF_PIXELS_1 m3, m7, [%1 +%3], [%2 +%3]
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DIFF_PIXELS_1 m4, m7, [%1+%4 +%3], [%2+%4 +%3]
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DIFF_PIXELS_1 m5, m7, [%1+%4*2+%3], [%2+%4*2+%3]
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DIFF_PIXELS_1 m6, m7, [%1+%5 +%3], [%2+%5 +%3]
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%ifdef m8
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DIFF_PIXELS_1 m7, m8, [%1+%4*4+%3], [%2+%4*4+%3]
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%else
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mova [%6], m0
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DIFF_PIXELS_1 m7, m0, [%1+%4*4+%3], [%2+%4*4+%3]
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mova m0, [%6]
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%endif
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sub %1, %5
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sub %2, %5
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%endmacro
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%macro HADAMARD8 0
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SUMSUB_BADC w, 0, 1, 2, 3
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SUMSUB_BADC w, 4, 5, 6, 7
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SUMSUB_BADC w, 0, 2, 1, 3
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SUMSUB_BADC w, 4, 6, 5, 7
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SUMSUB_BADC w, 0, 4, 1, 5
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SUMSUB_BADC w, 2, 6, 3, 7
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%endmacro
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%macro ABS1_SUM 3
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ABS1 %1, %2
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paddusw %3, %1
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%endmacro
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%macro ABS2_SUM 6
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ABS2 %1, %2, %3, %4
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paddusw %5, %1
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paddusw %6, %2
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%endmacro
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%macro ABS_SUM_8x8_64 1
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ABS2 m0, m1, m8, m9
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ABS2_SUM m2, m3, m8, m9, m0, m1
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ABS2_SUM m4, m5, m8, m9, m0, m1
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ABS2_SUM m6, m7, m8, m9, m0, m1
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paddusw m0, m1
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%endmacro
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%macro ABS_SUM_8x8_32 1
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mova [%1], m7
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ABS1 m0, m7
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ABS1 m1, m7
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ABS1_SUM m2, m7, m0
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ABS1_SUM m3, m7, m1
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ABS1_SUM m4, m7, m0
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ABS1_SUM m5, m7, m1
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ABS1_SUM m6, m7, m0
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mova m2, [%1]
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ABS1_SUM m2, m7, m1
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paddusw m0, m1
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%endmacro
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; FIXME: HSUM saturates at 64k, while an 8x8 hadamard or dct block can get up to
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; about 100k on extreme inputs. But that's very unlikely to occur in natural video,
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; and it's even more unlikely to not have any alternative mvs/modes with lower cost.
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%macro HSUM 3
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%if cpuflag(sse2)
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movhlps %2, %1
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paddusw %1, %2
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pshuflw %2, %1, 0xE
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paddusw %1, %2
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pshuflw %2, %1, 0x1
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paddusw %1, %2
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movd %3, %1
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%elif cpuflag(mmxext)
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pshufw %2, %1, 0xE
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paddusw %1, %2
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pshufw %2, %1, 0x1
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paddusw %1, %2
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movd %3, %1
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%elif cpuflag(mmx)
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mova %2, %1
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psrlq %1, 32
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paddusw %1, %2
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mova %2, %1
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psrlq %1, 16
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paddusw %1, %2
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movd %3, %1
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%endif
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%endmacro
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%macro STORE4 5
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mova [%1+mmsize*0], %2
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mova [%1+mmsize*1], %3
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mova [%1+mmsize*2], %4
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mova [%1+mmsize*3], %5
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%endmacro
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%macro LOAD4 5
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mova %2, [%1+mmsize*0]
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mova %3, [%1+mmsize*1]
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mova %4, [%1+mmsize*2]
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mova %5, [%1+mmsize*3]
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%endmacro
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%macro hadamard8_16_wrapper 2
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cglobal hadamard8_diff, 4, 4, %1
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%ifndef m8
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%assign pad %2*mmsize-(4+stack_offset&(mmsize-1))
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SUB rsp, pad
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%endif
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call hadamard8x8_diff %+ SUFFIX
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%ifndef m8
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ADD rsp, pad
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%endif
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RET
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cglobal hadamard8_diff16, 5, 6, %1
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%ifndef m8
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%assign pad %2*mmsize-(4+stack_offset&(mmsize-1))
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SUB rsp, pad
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%endif
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call hadamard8x8_diff %+ SUFFIX
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mov r5d, eax
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add r1, 8
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add r2, 8
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call hadamard8x8_diff %+ SUFFIX
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add r5d, eax
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cmp r4d, 16
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jne .done
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lea r1, [r1+r3*8-8]
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lea r2, [r2+r3*8-8]
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call hadamard8x8_diff %+ SUFFIX
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add r5d, eax
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add r1, 8
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add r2, 8
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call hadamard8x8_diff %+ SUFFIX
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add r5d, eax
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.done:
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mov eax, r5d
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%ifndef m8
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ADD rsp, pad
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%endif
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RET
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%endmacro
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%macro HADAMARD8_DIFF 0-1
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%if cpuflag(sse2)
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hadamard8x8_diff %+ SUFFIX:
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lea r0, [r3*3]
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DIFF_PIXELS_8 r1, r2, 0, r3, r0, rsp+gprsize
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HADAMARD8
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%if ARCH_X86_64
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TRANSPOSE8x8W 0, 1, 2, 3, 4, 5, 6, 7, 8
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%else
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TRANSPOSE8x8W 0, 1, 2, 3, 4, 5, 6, 7, [rsp+gprsize], [rsp+mmsize+gprsize]
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%endif
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HADAMARD8
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ABS_SUM_8x8 rsp+gprsize
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HSUM m0, m1, eax
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and eax, 0xFFFF
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ret
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hadamard8_16_wrapper %1, 3
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%elif cpuflag(mmx)
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ALIGN 16
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; int ff_hadamard8_diff_ ## cpu(MpegEncContext *s, uint8_t *src1,
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; uint8_t *src2, int stride, int h)
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; r0 = void *s = unused, int h = unused (always 8)
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; note how r1, r2 and r3 are not clobbered in this function, so 16x16
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; can simply call this 2x2x (and that's why we access rsp+gprsize
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; everywhere, which is rsp of calling func
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hadamard8x8_diff %+ SUFFIX:
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lea r0, [r3*3]
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; first 4x8 pixels
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DIFF_PIXELS_8 r1, r2, 0, r3, r0, rsp+gprsize+0x60
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HADAMARD8
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mova [rsp+gprsize+0x60], m7
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TRANSPOSE4x4W 0, 1, 2, 3, 7
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STORE4 rsp+gprsize, m0, m1, m2, m3
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mova m7, [rsp+gprsize+0x60]
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TRANSPOSE4x4W 4, 5, 6, 7, 0
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STORE4 rsp+gprsize+0x40, m4, m5, m6, m7
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; second 4x8 pixels
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DIFF_PIXELS_8 r1, r2, 4, r3, r0, rsp+gprsize+0x60
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HADAMARD8
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mova [rsp+gprsize+0x60], m7
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TRANSPOSE4x4W 0, 1, 2, 3, 7
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STORE4 rsp+gprsize+0x20, m0, m1, m2, m3
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mova m7, [rsp+gprsize+0x60]
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TRANSPOSE4x4W 4, 5, 6, 7, 0
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LOAD4 rsp+gprsize+0x40, m0, m1, m2, m3
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HADAMARD8
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ABS_SUM_8x8_32 rsp+gprsize+0x60
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mova [rsp+gprsize+0x60], m0
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LOAD4 rsp+gprsize , m0, m1, m2, m3
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LOAD4 rsp+gprsize+0x20, m4, m5, m6, m7
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HADAMARD8
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ABS_SUM_8x8_32 rsp+gprsize
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paddusw m0, [rsp+gprsize+0x60]
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HSUM m0, m1, eax
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and rax, 0xFFFF
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ret
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hadamard8_16_wrapper 0, 14
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%endif
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%endmacro
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INIT_MMX mmx
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HADAMARD8_DIFF
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INIT_MMX mmxext
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HADAMARD8_DIFF
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INIT_XMM sse2
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%if ARCH_X86_64
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%define ABS_SUM_8x8 ABS_SUM_8x8_64
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%else
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%define ABS_SUM_8x8 ABS_SUM_8x8_32
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%endif
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HADAMARD8_DIFF 10
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INIT_XMM ssse3
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%define ABS_SUM_8x8 ABS_SUM_8x8_64
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HADAMARD8_DIFF 9
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; int ff_sse*_*(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
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; int line_size, int h)
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%macro SUM_SQUARED_ERRORS 1
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cglobal sse%1, 5,5,8, v, pix1, pix2, lsize, h
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%if %1 == mmsize
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shr hd, 1
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%endif
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pxor m0, m0 ; mm0 = 0
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pxor m7, m7 ; mm7 holds the sum
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.next2lines: ; FIXME why are these unaligned movs? pix1[] is aligned
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movu m1, [pix1q] ; m1 = pix1[0][0-15], [0-7] for mmx
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movu m2, [pix2q] ; m2 = pix2[0][0-15], [0-7] for mmx
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%if %1 == mmsize
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movu m3, [pix1q+lsizeq] ; m3 = pix1[1][0-15], [0-7] for mmx
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movu m4, [pix2q+lsizeq] ; m4 = pix2[1][0-15], [0-7] for mmx
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%else ; %1 / 2 == mmsize; mmx only
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mova m3, [pix1q+8] ; m3 = pix1[0][8-15]
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mova m4, [pix2q+8] ; m4 = pix2[0][8-15]
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%endif
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; todo: mm1-mm2, mm3-mm4
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; algo: subtract mm1 from mm2 with saturation and vice versa
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; OR the result to get the absolute difference
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mova m5, m1
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mova m6, m3
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psubusb m1, m2
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psubusb m3, m4
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psubusb m2, m5
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psubusb m4, m6
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por m2, m1
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por m4, m3
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; now convert to 16-bit vectors so we can square them
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mova m1, m2
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mova m3, m4
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punpckhbw m2, m0
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punpckhbw m4, m0
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punpcklbw m1, m0 ; mm1 not spread over (mm1,mm2)
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punpcklbw m3, m0 ; mm4 not spread over (mm3,mm4)
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pmaddwd m2, m2
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pmaddwd m4, m4
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pmaddwd m1, m1
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pmaddwd m3, m3
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paddd m1, m2
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paddd m3, m4
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paddd m7, m1
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paddd m7, m3
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%if %1 == mmsize
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lea pix1q, [pix1q + 2*lsizeq]
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lea pix2q, [pix2q + 2*lsizeq]
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%else
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add pix1q, lsizeq
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add pix2q, lsizeq
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%endif
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dec hd
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jnz .next2lines
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HADDD m7, m1
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movd eax, m7 ; return value
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RET
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%endmacro
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INIT_MMX mmx
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SUM_SQUARED_ERRORS 8
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INIT_MMX mmx
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SUM_SQUARED_ERRORS 16
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INIT_XMM sse2
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SUM_SQUARED_ERRORS 16
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;-----------------------------------------------
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;int ff_sum_abs_dctelem(int16_t *block)
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;-----------------------------------------------
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; %1 = number of xmm registers used
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; %2 = number of inline loops
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%macro SUM_ABS_DCTELEM 2
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cglobal sum_abs_dctelem, 1, 1, %1, block
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pxor m0, m0
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pxor m1, m1
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%assign %%i 0
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%rep %2
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mova m2, [blockq+mmsize*(0+%%i)]
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mova m3, [blockq+mmsize*(1+%%i)]
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mova m4, [blockq+mmsize*(2+%%i)]
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mova m5, [blockq+mmsize*(3+%%i)]
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ABS1_SUM m2, m6, m0
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ABS1_SUM m3, m6, m1
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ABS1_SUM m4, m6, m0
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ABS1_SUM m5, m6, m1
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%assign %%i %%i+4
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%endrep
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paddusw m0, m1
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HSUM m0, m1, eax
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and eax, 0xFFFF
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RET
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%endmacro
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INIT_MMX mmx
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SUM_ABS_DCTELEM 0, 4
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INIT_MMX mmxext
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SUM_ABS_DCTELEM 0, 4
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INIT_XMM sse2
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SUM_ABS_DCTELEM 7, 2
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INIT_XMM ssse3
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SUM_ABS_DCTELEM 6, 2
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;------------------------------------------------------------------------------
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; int ff_hf_noise*_mmx(uint8_t *pix1, int lsize, int h)
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;------------------------------------------------------------------------------
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; %1 = 8/16. %2-5=m#
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%macro HF_NOISE_PART1 5
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mova m%2, [pix1q]
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%if %1 == 8
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mova m%3, m%2
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psllq m%2, 8
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psrlq m%3, 8
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psrlq m%2, 8
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%else
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mova m%3, [pix1q+1]
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%endif
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mova m%4, m%2
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mova m%5, m%3
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punpcklbw m%2, m7
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punpcklbw m%3, m7
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punpckhbw m%4, m7
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punpckhbw m%5, m7
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psubw m%2, m%3
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psubw m%4, m%5
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%endmacro
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; %1-2 = m#
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%macro HF_NOISE_PART2 4
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psubw m%1, m%3
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psubw m%2, m%4
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pxor m3, m3
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pxor m1, m1
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pcmpgtw m3, m%1
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pcmpgtw m1, m%2
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pxor m%1, m3
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pxor m%2, m1
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psubw m%1, m3
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psubw m%2, m1
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paddw m%2, m%1
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paddw m6, m%2
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%endmacro
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; %1 = 8/16
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%macro HF_NOISE 1
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cglobal hf_noise%1, 3,3,0, pix1, lsize, h
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movsxdifnidn lsizeq, lsized
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sub hd, 2
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pxor m7, m7
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pxor m6, m6
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HF_NOISE_PART1 %1, 0, 1, 2, 3
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add pix1q, lsizeq
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HF_NOISE_PART1 %1, 4, 1, 5, 3
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HF_NOISE_PART2 0, 2, 4, 5
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add pix1q, lsizeq
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.loop:
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HF_NOISE_PART1 %1, 0, 1, 2, 3
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HF_NOISE_PART2 4, 5, 0, 2
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add pix1q, lsizeq
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HF_NOISE_PART1 %1, 4, 1, 5, 3
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HF_NOISE_PART2 0, 2, 4, 5
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add pix1q, lsizeq
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sub hd, 2
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jne .loop
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mova m0, m6
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punpcklwd m0, m7
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|
punpckhwd m6, m7
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|
paddd m6, m0
|
|
mova m0, m6
|
|
psrlq m6, 32
|
|
paddd m0, m6
|
|
movd eax, m0 ; eax = result of hf_noise8;
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|
REP_RET ; return eax;
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|
%endmacro
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|
|
|
INIT_MMX mmx
|
|
HF_NOISE 8
|
|
HF_NOISE 16
|