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61 lines
2.0 KiB
61 lines
2.0 KiB
;***************************************************************************** |
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;* dct-a.asm: h264 encoder library |
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;***************************************************************************** |
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;* Copyright (C) 2003-2008 x264 project |
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;* |
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;* Authors: Laurent Aimar <fenrir@via.ecp.fr> |
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;* Loren Merritt <lorenm@u.washington.edu> |
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;* Holger Lubitz <hal@duncan.ol.sub.de> |
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;* Min Chen <chenm001.163.com> |
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;* |
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;* This program is free software; you can redistribute it and/or modify |
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;* it under the terms of the GNU General Public License as published by |
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;* the Free Software Foundation; either version 2 of the License, or |
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;* (at your option) any later version. |
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;* |
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;* This program 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 |
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;* GNU General Public License for more details. |
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;* |
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;* You should have received a copy of the GNU General Public License |
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;* along with this program; if not, write to the Free Software |
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. |
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;***************************************************************************** |
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%include "x86inc.asm" |
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%include "x86util.asm" |
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SECTION_RODATA |
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pw_32: times 8 dw 32 |
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SECTION .text |
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%macro IDCT4_1D 6 |
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SUMSUB_BA m%3, m%1 |
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SUMSUBD2_AB m%2, m%4, m%6, m%5 |
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SUMSUB_BADC m%2, m%3, m%5, m%1 |
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SWAP %1, %2, %5, %4, %3 |
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%endmacro |
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INIT_XMM |
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cglobal x264_add8x4_idct_sse2, 3,3 |
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movq m0, [r1+ 0] |
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movq m1, [r1+ 8] |
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movq m2, [r1+16] |
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movq m3, [r1+24] |
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movhps m0, [r1+32] |
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movhps m1, [r1+40] |
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movhps m2, [r1+48] |
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movhps m3, [r1+56] |
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IDCT4_1D 0,1,2,3,4,5 |
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TRANSPOSE2x4x4W 0,1,2,3,4 |
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paddw m0, [pw_32 GLOBAL] |
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IDCT4_1D 0,1,2,3,4,5 |
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pxor m7, m7 |
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STORE_DIFF m0, m4, m7, [r0] |
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STORE_DIFF m1, m4, m7, [r0+r2] |
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lea r0, [r0+r2*2] |
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STORE_DIFF m2, m4, m7, [r0] |
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STORE_DIFF m3, m4, m7, [r0+r2] |
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RET
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