idct_ap922_sse.asm

由bmp生成mpeg2 的I_frame 数据

                pshufw     mm5, mm5, 11011101b
                pmaddwd    mm7, mm5
                paddd      mm3, half11
                pmaddwd    mm0, [eax+16]
                paddd      mm3, mm4
                pmaddwd    mm1, [eax+24]
                movq       mm4, mm3
                pmaddwd    mm2, [eax+48]
                paddd      mm6, mm7
                pmaddwd    mm5, [eax+56]
                paddd      mm3, mm6
                paddd      mm0, half11
                psrad      mm3, 11
                paddd      mm0, mm1
                psubd      mm4, mm6
                movq       mm7, mm0
                paddd      mm2, mm5
                paddd      mm0, mm2
                psrad      mm4, 11
                psubd      mm7, mm2
                psrad      mm0, 11
                psrad      mm7, 11
                packssdw   mm3, mm0
                packssdw   mm7, mm4
                pshufw     mm7, mm7, 10110001b
                ; row 3
                movq       mm0, [esi+48]
                movq       [esi+32], mm3
                movq       mm1, [esi+56]
                movq       [esi+40], mm7
                lea        eax, table_35
                movq       mm2, mm0
                movq       mm3, [eax]
                pshufw     mm0, mm0, 10001000b
                movq       mm4, [eax+8]
                movq       mm5, mm1
                pmaddwd    mm3, mm0
                movq       mm6, [eax+32]
                pshufw     mm1, mm1, 10001000b
                pmaddwd    mm4, mm1
                movq       mm7, [eax+40]
                pshufw     mm2, mm2, 11011101b
                pmaddwd    mm6, mm2
                pshufw     mm5, mm5, 11011101b
                pmaddwd    mm7, mm5
                paddd      mm3, half11
                pmaddwd    mm0, [eax+16]
                paddd      mm3, mm4
                pmaddwd    mm1, [eax+24]
                movq       mm4, mm3
                pmaddwd    mm2, [eax+48]
                paddd      mm6, mm7
                pmaddwd    mm5, [eax+56]
                paddd      mm3, mm6
                paddd      mm0, half11
                psrad      mm3, 11
                paddd      mm0, mm1
                psubd      mm4, mm6
                movq       mm7, mm0
                paddd      mm2, mm5
                paddd      mm0, mm2
                psrad      mm4, 11
                psubd      mm7, mm2
                psrad      mm0, 11
                psrad      mm7, 11
                packssdw   mm3, mm0
                packssdw   mm7, mm4
                pshufw     mm7, mm7, 10110001b
                ; row 4
                movq       mm0, [esi+64]
                movq       [esi+48], mm3
                movq       mm1, [esi+72]
                movq       [esi+56], mm7
                lea        eax, table_04
                movq       mm2, mm0
                movq       mm3, [eax]
                pshufw     mm0, mm0, 10001000b
                movq       mm4, [eax+8]
                movq       mm5, mm1
                pmaddwd    mm3, mm0
                movq       mm6, [eax+32]
                pshufw     mm1, mm1, 10001000b
                pmaddwd    mm4, mm1
                movq       mm7, [eax+40]
                pshufw     mm2, mm2, 11011101b
                pmaddwd    mm6, mm2
                pshufw     mm5, mm5, 11011101b
                pmaddwd    mm7, mm5
                paddd      mm3, half11
                pmaddwd    mm0, [eax+16]
                paddd      mm3, mm4
                pmaddwd    mm1, [eax+24]
                movq       mm4, mm3
                pmaddwd    mm2, [eax+48]
                paddd      mm6, mm7
                pmaddwd    mm5, [eax+56]
                paddd      mm3, mm6
                paddd      mm0, half11
                psrad      mm3, 11
                paddd      mm0, mm1
                psubd      mm4, mm6
                movq       mm7, mm0
                paddd      mm2, mm5
                paddd      mm0, mm2
                psrad      mm4, 11
                psubd      mm7, mm2
                psrad      mm0, 11
                psrad      mm7, 11
                packssdw   mm3, mm0
                packssdw   mm7, mm4
                pshufw     mm7, mm7, 10110001b
                ; row 5
                movq       mm0, [esi+80]
                movq       [esi+64], mm3
                movq       mm1, [esi+88]
                movq       [esi+72], mm7
                lea        eax, table_35
                movq       mm2, mm0
                movq       mm3, [eax]
                pshufw     mm0, mm0, 10001000b
                movq       mm4, [eax+8]
                movq       mm5, mm1
                pmaddwd    mm3, mm0
                movq       mm6, [eax+32]
                pshufw     mm1, mm1, 10001000b
                pmaddwd    mm4, mm1
                movq       mm7, [eax+40]
                pshufw     mm2, mm2, 11011101b
                pmaddwd    mm6, mm2
                pshufw     mm5, mm5, 11011101b
                pmaddwd    mm7, mm5
                paddd      mm3, half11
                pmaddwd    mm0, [eax+16]
                paddd      mm3, mm4
                pmaddwd    mm1, [eax+24]
                movq       mm4, mm3
                pmaddwd    mm2, [eax+48]
                paddd      mm6, mm7
                pmaddwd    mm5, [eax+56]
                paddd      mm3, mm6
                paddd      mm0, half11
                psrad      mm3, 11
                paddd      mm0, mm1
                psubd      mm4, mm6
                movq       mm7, mm0
                paddd      mm2, mm5
                paddd      mm0, mm2
                psrad      mm4, 11
                psubd      mm7, mm2
                psrad      mm0, 11
                psrad      mm7, 11
                packssdw   mm3, mm0
                packssdw   mm7, mm4
                pshufw     mm7, mm7, 10110001b
                ; row 6
                movq       mm0, [esi+96]
                movq       [esi+80], mm3
                movq       mm1, [esi+104]
                movq       [esi+88], mm7
                lea        eax, table_26
                movq       mm2, mm0
                movq       mm3, [eax]
                pshufw     mm0, mm0, 10001000b
                movq       mm4, [eax+8]
                movq       mm5, mm1
                pmaddwd    mm3, mm0
                movq       mm6, [eax+32]
                pshufw     mm1, mm1, 10001000b
                pmaddwd    mm4, mm1
                movq       mm7, [eax+40]
                pshufw     mm2, mm2, 11011101b
                pmaddwd    mm6, mm2
                pshufw     mm5, mm5, 11011101b
                pmaddwd    mm7, mm5
                paddd      mm3, half11
                pmaddwd    mm0, [eax+16]
                paddd      mm3, mm4
                pmaddwd    mm1, [eax+24]
                movq       mm4, mm3
                pmaddwd    mm2, [eax+48]
                paddd      mm6, mm7
                pmaddwd    mm5, [eax+56]
                paddd      mm3, mm6
                paddd      mm0, half11
                psrad      mm3, 11
                paddd      mm0, mm1
                psubd      mm4, mm6
                movq       mm7, mm0
                paddd      mm2, mm5
                paddd      mm0, mm2
                psrad      mm4, 11
                psubd      mm7, mm2
                psrad      mm0, 11
                psrad      mm7, 11
                packssdw   mm3, mm0
                packssdw   mm7, mm4
                pshufw     mm7, mm7, 10110001b
                ; row 7
                movq       mm0, [esi+112]
                movq       [esi+96], mm3
                movq       mm1, [esi+120]
                movq       [esi+104], mm7
                lea        eax, table_17
                movq       mm2, mm0
                movq       mm3, [eax]
                pshufw     mm0, mm0, 10001000b
                movq       mm4, [eax+8]
                movq       mm5, mm1
                pmaddwd    mm3, mm0
                movq       mm6, [eax+32]
                pshufw     mm1, mm1, 10001000b
                pmaddwd    mm4, mm1
                movq       mm7, [eax+40]
                pshufw     mm2, mm2, 11011101b
                pmaddwd    mm6, mm2