Imported Debian version 2.5.0~trusty1.1
[deb_ffmpeg.git] / ffmpeg / libavcodec / x86 / v210.asm
CommitLineData
2ba45a60
DM
1;******************************************************************************
2;* V210 SIMD unpack
3;* Copyright (c) 2011 Loren Merritt <lorenm@u.washington.edu>
4;* Copyright (c) 2011 Kieran Kunhya <kieran@kunhya.com>
5;*
6;* This file is part of FFmpeg.
7;*
8;* FFmpeg is free software; you can redistribute it and/or
9;* modify it under the terms of the GNU Lesser General Public
10;* License as published by the Free Software Foundation; either
11;* version 2.1 of the License, or (at your option) any later version.
12;*
13;* FFmpeg is distributed in the hope that it will be useful,
14;* but WITHOUT ANY WARRANTY; without even the implied warranty of
15;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16;* Lesser General Public License for more details.
17;*
18;* You should have received a copy of the GNU Lesser General Public
19;* License along with FFmpeg; if not, write to the Free Software
20;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21;******************************************************************************
22
23%include "libavutil/x86/x86util.asm"
24
25SECTION_RODATA
26
27v210_mask: times 4 dd 0x3ff
28v210_mult: dw 64,4,64,4,64,4,64,4
29v210_luma_shuf: db 8,9,0,1,2,3,12,13,4,5,6,7,-1,-1,-1,-1
30v210_chroma_shuf: db 0,1,8,9,6,7,-1,-1,2,3,4,5,12,13,-1,-1
31
32SECTION .text
33
34%macro v210_planar_unpack 1
35
36; v210_planar_unpack(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)
37cglobal v210_planar_unpack_%1, 5, 5, 7
38 movsxdifnidn r4, r4d
39 lea r1, [r1+2*r4]
40 add r2, r4
41 add r3, r4
42 neg r4
43
44 mova m3, [v210_mult]
45 mova m4, [v210_mask]
46 mova m5, [v210_luma_shuf]
47 mova m6, [v210_chroma_shuf]
48.loop
49%ifidn %1, unaligned
50 movu m0, [r0]
51%else
52 mova m0, [r0]
53%endif
54
55 pmullw m1, m0, m3
56 psrld m0, 10
57 psrlw m1, 6 ; u0 v0 y1 y2 v1 u2 y4 y5
58 pand m0, m4 ; y0 __ u1 __ y3 __ v2 __
59
60 shufps m2, m1, m0, 0x8d ; y1 y2 y4 y5 y0 __ y3 __
61 pshufb m2, m5 ; y0 y1 y2 y3 y4 y5 __ __
62 movu [r1+2*r4], m2
63
64 shufps m1, m0, 0xd8 ; u0 v0 v1 u2 u1 __ v2 __
65 pshufb m1, m6 ; u0 u1 u2 __ v0 v1 v2 __
66 movq [r2+r4], m1
67 movhps [r3+r4], m1
68
69 add r0, mmsize
70 add r4, 6
71 jl .loop
72
73 REP_RET
74%endmacro
75
76INIT_XMM ssse3
77v210_planar_unpack unaligned
78
79%if HAVE_AVX_EXTERNAL
80INIT_XMM avx
81v210_planar_unpack unaligned
82%endif
83
84INIT_XMM ssse3
85v210_planar_unpack aligned
86
87%if HAVE_AVX_EXTERNAL
88INIT_XMM avx
89v210_planar_unpack aligned
90%endif