| ;****************************************************************************** |
| ;* V210 SIMD pack |
| ;* Copyright (c) 2014 Kieran Kunhya <kierank@obe.tv> |
| ;* |
| ;* This file is part of FFmpeg. |
| ;* |
| ;* FFmpeg 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. |
| ;* |
| ;* FFmpeg 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 FFmpeg; if not, write to the Free Software |
| ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| ;****************************************************************************** |
| |
| %include "libavutil/x86/x86util.asm" |
| |
| SECTION_RODATA |
| |
| v210_enc_min_10: times 8 dw 0x4 |
| v210_enc_max_10: times 8 dw 0x3fb |
| |
| v210_enc_luma_mult_10: dw 4,1,16,4,1,16,0,0 |
| v210_enc_luma_shuf_10: db -1,0,1,-1,2,3,4,5,-1,6,7,-1,8,9,10,11 |
| |
| v210_enc_chroma_mult_10: dw 1,4,16,0,16,1,4,0 |
| v210_enc_chroma_shuf_10: db 0,1,8,9,-1,2,3,-1,10,11,4,5,-1,12,13,-1 |
| |
| v210_enc_min_8: times 16 db 0x1 |
| v210_enc_max_8: times 16 db 0xfe |
| |
| v210_enc_luma_shuf_8: db 6,-1,7,-1,8,-1,9,-1,10,-1,11,-1,-1,-1,-1,-1 |
| v210_enc_luma_mult_8: dw 16,4,64,16,4,64,0,0 |
| |
| v210_enc_chroma_shuf1_8: db 0,-1,1,-1,2,-1,3,-1,8,-1,9,-1,10,-1,11,-1 |
| v210_enc_chroma_shuf2_8: db 3,-1,4,-1,5,-1,7,-1,11,-1,12,-1,13,-1,15,-1 |
| |
| v210_enc_chroma_mult_8: dw 4,16,64,0,64,4,16,0 |
| |
| SECTION .text |
| |
| %macro v210_planar_pack_10 0 |
| |
| ; v210_planar_pack_10(const uint16_t *y, const uint16_t *u, const uint16_t *v, uint8_t *dst, ptrdiff_t width) |
| cglobal v210_planar_pack_10, 5, 5, 4, y, u, v, dst, width |
| lea r0, [yq+2*widthq] |
| add uq, widthq |
| add vq, widthq |
| neg widthq |
| |
| mova m2, [v210_enc_min_10] |
| mova m3, [v210_enc_max_10] |
| |
| .loop |
| movu m0, [yq+2*widthq] |
| CLIPW m0, m2, m3 |
| |
| movq m1, [uq+widthq] |
| movhps m1, [vq+widthq] |
| CLIPW m1, m2, m3 |
| |
| pmullw m0, [v210_enc_luma_mult_10] |
| pshufb m0, [v210_enc_luma_shuf_10] |
| |
| pmullw m1, [v210_enc_chroma_mult_10] |
| pshufb m1, [v210_enc_chroma_shuf_10] |
| |
| por m0, m1 |
| |
| movu [dstq], m0 |
| |
| add dstq, mmsize |
| add widthq, 6 |
| jl .loop |
| |
| RET |
| %endmacro |
| |
| INIT_XMM ssse3 |
| v210_planar_pack_10 |
| |
| %macro v210_planar_pack_8 0 |
| |
| ; v210_planar_pack_8(const uint8_t *y, const uint8_t *u, const uint8_t *v, uint8_t *dst, ptrdiff_t width) |
| cglobal v210_planar_pack_8, 5, 5, 7, y, u, v, dst, width |
| add yq, widthq |
| shr widthq, 1 |
| add uq, widthq |
| add vq, widthq |
| neg widthq |
| |
| mova m4, [v210_enc_min_8] |
| mova m5, [v210_enc_max_8] |
| pxor m6, m6 |
| |
| .loop |
| movu m1, [yq+2*widthq] |
| CLIPUB m1, m4, m5 |
| |
| punpcklbw m0, m1, m6 |
| ; can't unpack high bytes in the same way because we process |
| ; only six bytes at a time |
| pshufb m1, [v210_enc_luma_shuf_8] |
| |
| pmullw m0, [v210_enc_luma_mult_8] |
| pmullw m1, [v210_enc_luma_mult_8] |
| pshufb m0, [v210_enc_luma_shuf_10] |
| pshufb m1, [v210_enc_luma_shuf_10] |
| |
| movq m3, [uq+widthq] |
| movhps m3, [vq+widthq] |
| CLIPUB m3, m4, m5 |
| |
| ; shuffle and multiply to get the same packing as in 10-bit |
| pshufb m2, m3, [v210_enc_chroma_shuf1_8] |
| pshufb m3, [v210_enc_chroma_shuf2_8] |
| |
| pmullw m2, [v210_enc_chroma_mult_8] |
| pmullw m3, [v210_enc_chroma_mult_8] |
| pshufb m2, [v210_enc_chroma_shuf_10] |
| pshufb m3, [v210_enc_chroma_shuf_10] |
| |
| por m0, m2 |
| por m1, m3 |
| |
| movu [dstq], m0 |
| movu [dstq+mmsize], m1 |
| |
| add dstq, 2*mmsize |
| add widthq, 6 |
| jl .loop |
| |
| RET |
| %endmacro |
| |
| INIT_XMM ssse3 |
| v210_planar_pack_8 |
| INIT_XMM avx |
| v210_planar_pack_8 |