mirror of
https://github.com/FFmpeg/FFmpeg.git
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149 lines
3.9 KiB
NASM
149 lines
3.9 KiB
NASM
;******************************************************************************
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;* V210 SIMD pack
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;* Copyright (c) 2014 Kieran Kunhya <kierank@obe.tv>
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;*
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;* This file is part of FFmpeg.
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;*
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;* FFmpeg is free software; you can redistribute it and/or
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;* modify it under the terms of the GNU Lesser General Public
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;* License as published by the Free Software Foundation; either
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;* version 2.1 of the License, or (at your option) any later version.
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;*
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;* FFmpeg 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 GNU
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;* Lesser General Public License for more details.
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;*
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;* You should have received a copy of the GNU Lesser General Public
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;* License along with FFmpeg; if not, write to the Free Software
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;******************************************************************************
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%include "libavutil/x86/x86util.asm"
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SECTION_RODATA
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cextern pw_4
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%define v210_enc_min_10 pw_4
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v210_enc_max_10: times 8 dw 0x3fb
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v210_enc_luma_mult_10: dw 4,1,16,4,1,16,0,0
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v210_enc_luma_shuf_10: db -1,0,1,-1,2,3,4,5,-1,6,7,-1,8,9,10,11
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v210_enc_chroma_mult_10: dw 1,4,16,0,16,1,4,0
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v210_enc_chroma_shuf_10: db 0,1,8,9,-1,2,3,-1,10,11,4,5,-1,12,13,-1
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cextern pb_1
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%define v210_enc_min_8 pb_1
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cextern pb_FE
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%define v210_enc_max_8 pb_FE
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v210_enc_luma_shuf_8: db 6,-1,7,-1,8,-1,9,-1,10,-1,11,-1,-1,-1,-1,-1
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v210_enc_luma_mult_8: dw 16,4,64,16,4,64,0,0
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v210_enc_chroma_shuf1_8: db 0,-1,1,-1,2,-1,3,-1,8,-1,9,-1,10,-1,11,-1
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v210_enc_chroma_shuf2_8: db 3,-1,4,-1,5,-1,7,-1,11,-1,12,-1,13,-1,15,-1
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v210_enc_chroma_mult_8: dw 4,16,64,0,64,4,16,0
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SECTION .text
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%macro v210_planar_pack_10 0
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; v210_planar_pack_10(const uint16_t *y, const uint16_t *u, const uint16_t *v, uint8_t *dst, ptrdiff_t width)
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cglobal v210_planar_pack_10, 5, 5, 4, y, u, v, dst, width
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lea r0, [yq+2*widthq]
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add uq, widthq
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add vq, widthq
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neg widthq
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mova m2, [v210_enc_min_10]
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mova m3, [v210_enc_max_10]
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.loop:
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movu m0, [yq+2*widthq]
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CLIPW m0, m2, m3
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movq m1, [uq+widthq]
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movhps m1, [vq+widthq]
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CLIPW m1, m2, m3
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pmullw m0, [v210_enc_luma_mult_10]
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pshufb m0, [v210_enc_luma_shuf_10]
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pmullw m1, [v210_enc_chroma_mult_10]
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pshufb m1, [v210_enc_chroma_shuf_10]
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por m0, m1
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movu [dstq], m0
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add dstq, mmsize
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add widthq, 6
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jl .loop
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RET
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%endmacro
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INIT_XMM ssse3
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v210_planar_pack_10
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%macro v210_planar_pack_8 0
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; v210_planar_pack_8(const uint8_t *y, const uint8_t *u, const uint8_t *v, uint8_t *dst, ptrdiff_t width)
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cglobal v210_planar_pack_8, 5, 5, 7, y, u, v, dst, width
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add yq, widthq
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shr widthq, 1
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add uq, widthq
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add vq, widthq
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neg widthq
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mova m4, [v210_enc_min_8]
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mova m5, [v210_enc_max_8]
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pxor m6, m6
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.loop:
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movu m1, [yq+2*widthq]
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CLIPUB m1, m4, m5
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punpcklbw m0, m1, m6
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; can't unpack high bytes in the same way because we process
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; only six bytes at a time
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pshufb m1, [v210_enc_luma_shuf_8]
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pmullw m0, [v210_enc_luma_mult_8]
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pmullw m1, [v210_enc_luma_mult_8]
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pshufb m0, [v210_enc_luma_shuf_10]
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pshufb m1, [v210_enc_luma_shuf_10]
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movq m3, [uq+widthq]
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movhps m3, [vq+widthq]
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CLIPUB m3, m4, m5
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; shuffle and multiply to get the same packing as in 10-bit
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pshufb m2, m3, [v210_enc_chroma_shuf1_8]
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pshufb m3, [v210_enc_chroma_shuf2_8]
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pmullw m2, [v210_enc_chroma_mult_8]
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pmullw m3, [v210_enc_chroma_mult_8]
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pshufb m2, [v210_enc_chroma_shuf_10]
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pshufb m3, [v210_enc_chroma_shuf_10]
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por m0, m2
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por m1, m3
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movu [dstq], m0
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movu [dstq+mmsize], m1
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add dstq, 2*mmsize
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add widthq, 6
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jl .loop
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RET
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%endmacro
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INIT_XMM ssse3
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v210_planar_pack_8
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INIT_XMM avx
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v210_planar_pack_8
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