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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6148 | serge | 1 | ;****************************************************************************** |
| 2 | ;* V210 SIMD unpack |
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| 3 | ;* Copyright (c) 2011 Loren Merritt |
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| 4 | ;* Copyright (c) 2011 Kieran Kunhya |
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| 5 | ;* |
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| 6 | ;* This file is part of FFmpeg. |
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| 7 | ;* |
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| 8 | ;* FFmpeg is free software; you can redistribute it and/or |
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| 9 | ;* modify it under the terms of the GNU Lesser General Public |
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| 10 | ;* License as published by the Free Software Foundation; either |
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| 11 | ;* version 2.1 of the License, or (at your option) any later version. |
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| 12 | ;* |
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| 13 | ;* FFmpeg is distributed in the hope that it will be useful, |
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| 14 | ;* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | ;* Lesser General Public License for more details. |
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| 17 | ;* |
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| 18 | ;* You should have received a copy of the GNU Lesser General Public |
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| 19 | ;* License along with FFmpeg; if not, write to the Free Software |
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| 20 | ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 21 | ;****************************************************************************** |
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| 22 | |||
| 23 | %include "libavutil/x86/x86util.asm" |
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| 24 | |||
| 25 | SECTION_RODATA |
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| 26 | |||
| 27 | v210_mask: times 4 dd 0x3ff |
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| 28 | v210_mult: dw 64,4,64,4,64,4,64,4 |
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| 29 | v210_luma_shuf: db 8,9,0,1,2,3,12,13,4,5,6,7,-1,-1,-1,-1 |
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| 30 | v210_chroma_shuf: db 0,1,8,9,6,7,-1,-1,2,3,4,5,12,13,-1,-1 |
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| 31 | |||
| 32 | SECTION .text |
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| 33 | |||
| 34 | %macro v210_planar_unpack 2 |
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| 35 | |||
| 36 | ; v210_planar_unpack(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width) |
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| 37 | cglobal v210_planar_unpack_%1_%2, 5, 5, 7 |
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| 38 | movsxdifnidn r4, r4d |
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| 39 | lea r1, [r1+2*r4] |
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| 40 | add r2, r4 |
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| 41 | add r3, r4 |
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| 42 | neg r4 |
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| 43 | |||
| 44 | mova m3, [v210_mult] |
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| 45 | mova m4, [v210_mask] |
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| 46 | mova m5, [v210_luma_shuf] |
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| 47 | mova m6, [v210_chroma_shuf] |
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| 48 | .loop |
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| 49 | %ifidn %1, unaligned |
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| 50 | movu m0, [r0] |
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| 51 | %else |
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| 52 | mova m0, [r0] |
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| 53 | %endif |
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| 54 | |||
| 55 | pmullw m1, m0, m3 |
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| 56 | psrld m0, 10 |
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| 57 | psrlw m1, 6 ; u0 v0 y1 y2 v1 u2 y4 y5 |
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| 58 | pand m0, m4 ; y0 __ u1 __ y3 __ v2 __ |
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| 59 | |||
| 60 | shufps m2, m1, m0, 0x8d ; y1 y2 y4 y5 y0 __ y3 __ |
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| 61 | pshufb m2, m5 ; y0 y1 y2 y3 y4 y5 __ __ |
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| 62 | movu [r1+2*r4], m2 |
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| 63 | |||
| 64 | shufps m1, m0, 0xd8 ; u0 v0 v1 u2 u1 __ v2 __ |
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| 65 | pshufb m1, m6 ; u0 u1 u2 __ v0 v1 v2 __ |
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| 66 | movq [r2+r4], m1 |
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| 67 | movhps [r3+r4], m1 |
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| 68 | |||
| 69 | add r0, mmsize |
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| 70 | add r4, 6 |
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| 71 | jl .loop |
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| 72 | |||
| 73 | REP_RET |
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| 74 | %endmacro |
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| 75 | |||
| 76 | INIT_XMM |
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| 77 | v210_planar_unpack unaligned, ssse3 |
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| 78 | %if HAVE_AVX_EXTERNAL |
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| 79 | INIT_AVX |
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| 80 | v210_planar_unpack unaligned, avx |
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| 81 | %endif |
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| 82 | |||
| 83 | INIT_XMM |
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| 84 | v210_planar_unpack aligned, ssse3 |
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| 85 | %if HAVE_AVX_EXTERNAL |
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| 86 | INIT_AVX |
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| 87 | v210_planar_unpack aligned, avx |
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| 88 | %endif |