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Reference: commit3615e2be84
Author: Michael Niedermayer <michaelni@gmx.at> Date: Tue Dec 2 22:02:57 2003 +0000 h263_h_loop_filter_mmx Originally committed as revision 2553 to svn://svn.ffmpeg.org/ffmpeg/trunk commit359f98ded9
Author: Michael Niedermayer <michaelni@gmx.at> Date: Tue Dec 2 20:28:10 2003 +0000 h263_v_loop_filter_mmx Originally committed as revision 2552 to svn://svn.ffmpeg.org/ffmpeg/trunk Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
190 lines
4.7 KiB
NASM
190 lines
4.7 KiB
NASM
;******************************************************************************
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;* MMX-optimized H.263 loop filter
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;* Copyright (c) 2003-2013 Michael Niedermayer
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;* Copyright (c) 2013 Daniel Kang
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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_RODATA
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cextern pb_FC
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cextern h263_loop_filter_strength
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SECTION_TEXT
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%macro H263_LOOP_FILTER 5
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pxor m7, m7
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mova m0, [%1]
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mova m1, [%1]
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mova m2, [%4]
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mova m3, [%4]
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punpcklbw m0, m7
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punpckhbw m1, m7
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punpcklbw m2, m7
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punpckhbw m3, m7
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psubw m0, m2
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psubw m1, m3
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mova m2, [%2]
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mova m3, [%2]
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mova m4, [%3]
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mova m5, [%3]
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punpcklbw m2, m7
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punpckhbw m3, m7
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punpcklbw m4, m7
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punpckhbw m5, m7
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psubw m4, m2
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psubw m5, m3
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psllw m4, 2
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psllw m5, 2
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paddw m4, m0
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paddw m5, m1
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pxor m6, m6
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pcmpgtw m6, m4
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pcmpgtw m7, m5
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pxor m4, m6
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pxor m5, m7
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psubw m4, m6
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psubw m5, m7
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psrlw m4, 3
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psrlw m5, 3
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packuswb m4, m5
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packsswb m6, m7
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pxor m7, m7
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movd m2, %5
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punpcklbw m2, m2
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punpcklbw m2, m2
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punpcklbw m2, m2
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psubusb m2, m4
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mova m3, m2
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psubusb m3, m4
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psubb m2, m3
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mova m3, [%2]
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mova m4, [%3]
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pxor m3, m6
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pxor m4, m6
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paddusb m3, m2
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psubusb m4, m2
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pxor m3, m6
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pxor m4, m6
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paddusb m2, m2
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packsswb m0, m1
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pcmpgtb m7, m0
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pxor m0, m7
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psubb m0, m7
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mova m1, m0
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psubusb m0, m2
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psubb m1, m0
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pand m1, [pb_FC]
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psrlw m1, 2
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pxor m1, m7
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psubb m1, m7
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mova m5, [%1]
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mova m6, [%4]
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psubb m5, m1
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paddb m6, m1
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%endmacro
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INIT_MMX mmx
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; void h263_v_loop_filter(uint8_t *src, int stride, int qscale)
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cglobal h263_v_loop_filter, 3,5
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movsxdifnidn r1, r1d
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movsxdifnidn r2, r2d
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lea r4, [h263_loop_filter_strength]
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movzx r3d, BYTE [r4+r2]
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movsx r2, r3b
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shl r2, 1
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mov r3, r0
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sub r3, r1
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mov r4, r3
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sub r4, r1
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H263_LOOP_FILTER r4, r3, r0, r0+r1, r2d
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mova [r3], m3
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mova [r0], m4
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mova [r4], m5
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mova [r0+r1], m6
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RET
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%macro TRANSPOSE4X4 2
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movd m0, [%1]
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movd m1, [%1+r1]
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movd m2, [%1+r1*2]
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movd m3, [%1+r3]
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punpcklbw m0, m1
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punpcklbw m2, m3
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mova m1, m0
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punpcklwd m0, m2
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punpckhwd m1, m2
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movd [%2+ 0], m0
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punpckhdq m0, m0
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movd [%2+ 8], m0
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movd [%2+16], m1
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punpckhdq m1, m1
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movd [%2+24], m1
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%endmacro
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; void h263_h_loop_filter(uint8_t *src, int stride, int qscale)
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INIT_MMX mmx
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cglobal h263_h_loop_filter, 3,5,0,32
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movsxdifnidn r1, r1d
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movsxdifnidn r2, r2d
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lea r4, [h263_loop_filter_strength]
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movzx r3d, BYTE [r4+r2]
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movsx r2, r3b
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shl r2, 1
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sub r0, 2
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lea r3, [r1*3]
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TRANSPOSE4X4 r0, rsp
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lea r4, [r0+r1*4]
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TRANSPOSE4X4 r4, rsp+4
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H263_LOOP_FILTER rsp, rsp+8, rsp+16, rsp+24, r2d
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mova m1, m5
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mova m0, m4
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punpcklbw m5, m3
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punpcklbw m4, m6
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punpckhbw m1, m3
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punpckhbw m0, m6
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mova m3, m5
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mova m6, m1
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punpcklwd m5, m4
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punpcklwd m1, m0
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punpckhwd m3, m4
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punpckhwd m6, m0
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movd [r0], m5
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punpckhdq m5, m5
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movd [r0+r1*1], m5
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movd [r0+r1*2], m3
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punpckhdq m3, m3
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movd [r0+r3], m3
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movd [r4], m1
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punpckhdq m1, m1
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movd [r4+r1*1], m1
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movd [r4+r1*2], m6
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punpckhdq m6, m6
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movd [r4+r3], m6
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RET
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