diff options
author | Kieran Kunhya <kieran@kunhya.com> | 2011-10-18 22:50:49 +0400 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2011-10-19 22:26:55 +0400 |
commit | 44d27736fcd3c53ea102847368e609b96e6eda86 (patch) | |
tree | 4bb59978d56c8feb6f24ac1b878ccad198b36fe3 /libavcodec/x86/v210.asm | |
parent | b1766c170c8fe3dfbc829625e8b162985f633389 (diff) |
Add V210 SIMD
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/x86/v210.asm')
-rw-r--r-- | libavcodec/x86/v210.asm | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/libavcodec/x86/v210.asm b/libavcodec/x86/v210.asm new file mode 100644 index 0000000000..344bed0beb --- /dev/null +++ b/libavcodec/x86/v210.asm @@ -0,0 +1,85 @@ +;****************************************************************************** +;* V210 SIMD unpack +;* Copyright (c) 2011 Loren Merritt <lorenm@u.washington.edu> +;* Copyright (c) 2011 Kieran Kunhya <kieran@kunhya.com> +;* +;* This file is part of Libav. +;* +;* Libav is free software; you can redistribute it and/or +;* modify it under the terms of the GNU Lesser General Public +;* License as published by the Free Software Foundation; either +;* version 2.1 of the License, or (at your option) any later version. +;* +;* Libav is distributed in the hope that it will be useful, +;* but WITHOUT ANY WARRANTY; without even the implied warranty of +;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +;* Lesser General Public License for more details. +;* +;* You should have received a copy of the GNU Lesser General Public +;* License along with Libav; if not, write to the Free Software +;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +;****************************************************************************** + +%include "libavutil/x86/x86inc.asm" +%include "libavutil/x86/x86util.asm" + +SECTION_RODATA + +v210_mask: times 4 dd 0x3ff +v210_mult: dw 64,4,64,4,64,4,64,4 +v210_luma_shuf: db 8,9,0,1,2,3,12,13,4,5,6,7,-1,-1,-1,-1 +v210_chroma_shuf: db 0,1,8,9,6,7,-1,-1,2,3,4,5,12,13,-1,-1 + +SECTION .text + +%macro v210_planar_unpack 2 + +; v210_planar_unpack(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width) +cglobal v210_planar_unpack_%1_%2, 5, 5 + movsxdifnidn r4, r4d + lea r1, [r1+2*r4] + add r2, r4 + add r3, r4 + neg r4 + + mova m3, [v210_mult] + mova m4, [v210_mask] + mova m5, [v210_luma_shuf] + mova m6, [v210_chroma_shuf] +.loop +%ifidn %1, unaligned + movu m0, [r0] +%else + mova m0, [r0] +%endif + + pmullw m1, m0, m3 + psrld m0, 10 + psrlw m1, 6 ; u0 v0 y1 y2 v1 u2 y4 y5 + pand m0, m4 ; y0 __ u1 __ y3 __ v2 __ + + shufps m2, m1, m0, 0x8d ; y1 y2 y4 y5 y0 __ y3 __ + pshufb m2, m5 ; y0 y1 y2 y3 y4 y5 __ __ + movu [r1+2*r4], m2 + + shufps m1, m0, 0xd8 ; u0 v0 v1 u2 u1 __ v2 __ + pshufb m1, m6 ; u0 u1 u2 __ v0 v1 v2 __ + movq [r2+r4], m1 + movhps [r3+r4], m1 + + add r0, mmsize + add r4, 6 + jl .loop + + REP_RET +%endmacro + +INIT_XMM +v210_planar_unpack unaligned, ssse3 +INIT_AVX +v210_planar_unpack unaligned, avx + +INIT_XMM +v210_planar_unpack aligned, ssse3 +INIT_AVX +v210_planar_unpack aligned, avx |