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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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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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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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