repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | ;****************************************************************************** |
| 2 | ;* SIMD-optimized IDCT-related routines | |
| 3 | ;* Copyright (c) 2008 Loren Merritt | |
| 4 | ;* Copyright (c) 2003-2013 Michael Niedermayer | |
| 5 | ;* Copyright (c) 2013 Daniel Kang | |
| 6 | ;* | |
| 7 | ;* This file is part of FFmpeg. | |
| 8 | ;* | |
| 9 | ;* FFmpeg is free software; you can redistribute it and/or | |
| 10 | ;* modify it under the terms of the GNU Lesser General Public | |
| 11 | ;* License as published by the Free Software Foundation; either | |
| 12 | ;* version 2.1 of the License, or (at your option) any later version. | |
| 13 | ;* | |
| 14 | ;* FFmpeg is distributed in the hope that it will be useful, | |
| 15 | ;* but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 17 | ;* Lesser General Public License for more details. | |
| 18 | ;* | |
| 19 | ;* You should have received a copy of the GNU Lesser General Public | |
| 20 | ;* License along with FFmpeg; if not, write to the Free Software | |
| 21 | ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 22 | ;****************************************************************************** | |
| 23 | ||
| 24 | %include "libavutil/x86/x86util.asm" | |
| 25 | ||
| 26 | SECTION_RODATA | |
| 27 | ||
| 28 | cextern pb_80 | |
| 29 | ||
| 30 | SECTION_TEXT | |
| 31 | ||
| 32 | ;-------------------------------------------------------------------------- | |
| 33 | ;void ff_put_signed_pixels_clamped(const int16_t *block, uint8_t *pixels, | |
| 34 | ; int line_size) | |
| 35 | ;-------------------------------------------------------------------------- | |
| 36 | ||
| 37 | %macro PUT_SIGNED_PIXELS_CLAMPED_HALF 1 | |
| 38 | mova m1, [blockq+mmsize*0+%1] | |
| 39 | mova m2, [blockq+mmsize*2+%1] | |
| 40 | %if mmsize == 8 | |
| 41 | mova m3, [blockq+mmsize*4+%1] | |
| 42 | mova m4, [blockq+mmsize*6+%1] | |
| 43 | %endif | |
| 44 | packsswb m1, [blockq+mmsize*1+%1] | |
| 45 | packsswb m2, [blockq+mmsize*3+%1] | |
| 46 | %if mmsize == 8 | |
| 47 | packsswb m3, [blockq+mmsize*5+%1] | |
| 48 | packsswb m4, [blockq+mmsize*7+%1] | |
| 49 | %endif | |
| 50 | paddb m1, m0 | |
| 51 | paddb m2, m0 | |
| 52 | %if mmsize == 8 | |
| 53 | paddb m3, m0 | |
| 54 | paddb m4, m0 | |
| 55 | movq [pixelsq+lsizeq*0], m1 | |
| 56 | movq [pixelsq+lsizeq*1], m2 | |
| 57 | movq [pixelsq+lsizeq*2], m3 | |
| 58 | movq [pixelsq+lsize3q ], m4 | |
| 59 | %else | |
| 60 | movq [pixelsq+lsizeq*0], m1 | |
| 61 | movhps [pixelsq+lsizeq*1], m1 | |
| 62 | movq [pixelsq+lsizeq*2], m2 | |
| 63 | movhps [pixelsq+lsize3q ], m2 | |
| 64 | %endif | |
| 65 | %endmacro | |
| 66 | ||
| 67 | %macro PUT_SIGNED_PIXELS_CLAMPED 1 | |
| 68 | cglobal put_signed_pixels_clamped, 3, 4, %1, block, pixels, lsize, lsize3 | |
| 69 | mova m0, [pb_80] | |
| 70 | lea lsize3q, [lsizeq*3] | |
| 71 | PUT_SIGNED_PIXELS_CLAMPED_HALF 0 | |
| 72 | lea pixelsq, [pixelsq+lsizeq*4] | |
| 73 | PUT_SIGNED_PIXELS_CLAMPED_HALF 64 | |
| 74 | RET | |
| 75 | %endmacro | |
| 76 | ||
| 77 | INIT_MMX mmx | |
| 78 | PUT_SIGNED_PIXELS_CLAMPED 0 | |
| 79 | INIT_XMM sse2 | |
| 80 | PUT_SIGNED_PIXELS_CLAMPED 3 |