854 lines
20 KiB
NASM
854 lines
20 KiB
NASM
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;*******************************************************************************
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;* SIMD-optimized IDCT functions for HEVC decoding
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;* Copyright (c) 2014 Pierre-Edouard LEPERE
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;* Copyright (c) 2014 James Almer
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;* Copyright (c) 2016 Alexandra Hájková
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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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pd_64: times 4 dd 64
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pd_2048: times 4 dd 2048
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pd_512: times 4 dd 512
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; 4x4 transform coeffs
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cextern pw_64
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pw_64_m64: times 4 dw 64, -64
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pw_83_36: times 4 dw 83, 36
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pw_36_m83: times 4 dw 36, -83
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; 8x8 transform coeffs
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pw_89_75: times 4 dw 89, 75
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pw_50_18: times 4 dw 50, 18
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pw_75_m18: times 4 dw 75, -18
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pw_m89_m50: times 4 dw -89, -50
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pw_50_m89: times 4 dw 50, -89
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pw_18_75: times 4 dw 18, 75
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pw_18_m50: times 4 dw 18, -50
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pw_75_m89: times 4 dw 75, -89
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; 16x16 transformation coeffs
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trans_coeffs16: times 4 dw 90, 87
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times 4 dw 80, 70
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times 4 dw 57, 43
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times 4 dw 25, 9
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times 4 dw 87, 57
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times 4 dw 9, -43
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times 4 dw -80, -90
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times 4 dw -70, -25
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times 4 dw 80, 9
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times 4 dw -70, -87
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times 4 dw -25, 57
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times 4 dw 90, 43
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times 4 dw 70, -43
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times 4 dw -87, 9
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times 4 dw 90, 25
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times 4 dw -80, -57
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times 4 dw 57, -80
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times 4 dw -25, 90
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times 4 dw -9, -87
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times 4 dw 43, 70
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times 4 dw 43, -90
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times 4 dw 57, 25
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times 4 dw -87, 70
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times 4 dw 9, -80
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times 4 dw 25, -70
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times 4 dw 90, -80
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times 4 dw 43, 9
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times 4 dw -57, 87
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times 4 dw 9, -25
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times 4 dw 43, -57
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times 4 dw 70, -80
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times 4 dw 87, -90
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; 32x32 transform coeffs
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trans_coeff32: times 8 dw 90
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times 4 dw 88, 85
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times 4 dw 82, 78
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times 4 dw 73, 67
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times 4 dw 61, 54
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times 4 dw 46, 38
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times 4 dw 31, 22
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times 4 dw 13, 4
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times 4 dw 90, 82
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times 4 dw 67, 46
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times 4 dw 22, -4
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times 4 dw -31, -54
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times 4 dw -73, -85
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times 4 dw -90, -88
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times 4 dw -78, -61
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times 4 dw -38, -13
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times 4 dw 88, 67
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times 4 dw 31, -13
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times 4 dw -54, -82
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times 4 dw -90, -78
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times 4 dw -46, -4
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times 4 dw 38, 73
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times 4 dw 90, 85
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times 4 dw 61, 22
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times 4 dw 85, 46
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times 4 dw -13, -67
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times 4 dw -90, -73
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times 4 dw -22, 38
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times 4 dw 82, 88
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times 4 dw 54, -4
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times 4 dw -61, -90
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times 4 dw -78, -31
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times 4 dw 82, 22
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times 4 dw -54, -90
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times 4 dw -61, 13
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times 4 dw 78, 85
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times 4 dw 31, -46
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times 4 dw -90, -67
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times 4 dw 4, 73
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times 4 dw 88, 38
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times 4 dw 78, -4
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times 4 dw -82, -73
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times 4 dw 13, 85
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times 4 dw 67, -22
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times 4 dw -88, -61
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times 4 dw 31, 90
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times 4 dw 54, -38
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times 4 dw -90, -46
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times 4 dw 73, -31
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times 4 dw -90, -22
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times 4 dw 78, 67
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times 4 dw -38, -90
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times 4 dw -13, 82
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times 4 dw 61, -46
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times 4 dw -88, -4
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times 4 dw 85, 54
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times 4 dw 67, -54
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times 4 dw -78, 38
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times 4 dw 85, -22
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times 4 dw -90, 4
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times 4 dw 90, 13
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times 4 dw -88, -31
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times 4 dw 82, 46
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times 4 dw -73, -61
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times 4 dw 61, -73
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times 4 dw -46, 82
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times 4 dw 31, -88
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times 4 dw -13, 90
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times 4 dw -4, -90
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times 4 dw 22, 85
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times 4 dw -38, -78
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times 4 dw 54, 67
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times 4 dw 54, -85
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times 4 dw -4, 88
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times 4 dw -46, -61
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times 4 dw 82, 13
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times 4 dw -90, 38
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times 4 dw 67, -78
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times 4 dw -22, 90
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times 4 dw -31, -73
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times 4 dw 46, -90
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times 4 dw 38, 54
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times 4 dw -90, 31
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times 4 dw 61, -88
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times 4 dw 22, 67
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times 4 dw -85, 13
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times 4 dw 73, -82
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times 4 dw 4, 78
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times 4 dw 38, -88
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times 4 dw 73, -4
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times 4 dw -67, 90
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times 4 dw -46, -31
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times 4 dw 85, -78
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times 4 dw 13, 61
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times 4 dw -90, 54
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times 4 dw 22, -82
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times 4 dw 31, -78
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times 4 dw 90, -61
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times 4 dw 4, 54
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times 4 dw -88, 82
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times 4 dw -38, -22
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times 4 dw 73, -90
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times 4 dw 67, -13
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times 4 dw -46, 85
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times 4 dw 22, -61
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times 4 dw 85, -90
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times 4 dw 73, -38
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times 4 dw -4, 46
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times 4 dw -78, 90
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times 4 dw -82, 54
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times 4 dw -13, -31
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times 4 dw 67, -88
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times 4 dw 13, -38
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times 4 dw 61, -78
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times 4 dw 88, -90
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times 4 dw 85, -73
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times 4 dw 54, -31
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times 4 dw 4, 22
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times 4 dw -46, 67
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times 4 dw -82, 90
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times 4 dw 4, -13
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times 4 dw 22, -31
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times 4 dw 38, -46
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times 4 dw 54, -61
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times 4 dw 67, -73
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times 4 dw 78, -82
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times 4 dw 85, -88
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times 4 dw 90, -90
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SECTION .text
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; void ff_hevc_idct_HxW_dc_{8,10}_<opt>(int16_t *coeffs)
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; %1 = HxW
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; %2 = number of loops
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; %3 = bitdepth
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%macro IDCT_DC 3
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cglobal hevc_idct_%1x%1_dc_%3, 1, 2, 1, coeff, tmp
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movsx tmpd, word [coeffq]
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add tmpd, (1 << (14 - %3)) + 1
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sar tmpd, (15 - %3)
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movd xm0, tmpd
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SPLATW m0, xm0
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DEFINE_ARGS coeff, cnt
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mov cntd, %2
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.loop:
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mova [coeffq+mmsize*0], m0
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mova [coeffq+mmsize*1], m0
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mova [coeffq+mmsize*2], m0
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mova [coeffq+mmsize*3], m0
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add coeffq, mmsize*8
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mova [coeffq+mmsize*-4], m0
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mova [coeffq+mmsize*-3], m0
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mova [coeffq+mmsize*-2], m0
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mova [coeffq+mmsize*-1], m0
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dec cntd
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jg .loop
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RET
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%endmacro
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; %1 = HxW
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; %2 = bitdepth
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%macro IDCT_DC_NL 2 ; No loop
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cglobal hevc_idct_%1x%1_dc_%2, 1, 2, 1, coeff, tmp
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movsx tmpd, word [coeffq]
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add tmpd, (1 << (14 - %2)) + 1
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sar tmpd, (15 - %2)
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movd m0, tmpd
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SPLATW m0, xm0
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mova [coeffq+mmsize*0], m0
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mova [coeffq+mmsize*1], m0
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mova [coeffq+mmsize*2], m0
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mova [coeffq+mmsize*3], m0
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%if mmsize == 16
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mova [coeffq+mmsize*4], m0
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mova [coeffq+mmsize*5], m0
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mova [coeffq+mmsize*6], m0
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mova [coeffq+mmsize*7], m0
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%endif
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RET
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%endmacro
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; IDCT 4x4, expects input in m0, m1
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; %1 - shift
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; %2 - 1/0 - SCALE and Transpose or not
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; %3 - 1/0 add constant or not
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%macro TR_4x4 3
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; interleaves src0 with src2 to m0
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; and src1 with scr3 to m2
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; src0: 00 01 02 03 m0: 00 20 01 21 02 22 03 23
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; src1: 10 11 12 13 -->
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; src2: 20 21 22 23 m1: 10 30 11 31 12 32 13 33
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; src3: 30 31 32 33
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SBUTTERFLY wd, 0, 1, 2
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pmaddwd m2, m0, [pw_64] ; e0
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pmaddwd m3, m1, [pw_83_36] ; o0
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pmaddwd m0, [pw_64_m64] ; e1
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pmaddwd m1, [pw_36_m83] ; o1
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%if %3 == 1
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%assign %%add 1 << (%1 - 1)
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mova m4, [pd_ %+ %%add]
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paddd m2, m4
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paddd m0, m4
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%endif
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SUMSUB_BADC d, 3, 2, 1, 0, 4
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%if %2 == 1
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psrad m3, %1 ; e0 + o0
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psrad m1, %1 ; e1 + o1
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psrad m2, %1 ; e0 - o0
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psrad m0, %1 ; e1 - o1
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;clip16
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packssdw m3, m1
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packssdw m0, m2
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; Transpose
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SBUTTERFLY wd, 3, 0, 1
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SBUTTERFLY wd, 3, 0, 1
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SWAP 3, 1, 0
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%else
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SWAP 3, 2, 0
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%endif
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%endmacro
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%macro DEFINE_BIAS 1
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%assign shift (20 - %1)
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%assign c_add (1 << (shift - 1))
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%define arr_add pd_ %+ c_add
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%endmacro
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; %1 - bit_depth
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; %2 - register add constant
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; is loaded to
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; shift = 20 - bit_depth
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%macro LOAD_BIAS 2
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DEFINE_BIAS %1
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mova %2, [arr_add]
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%endmacro
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; %1, %2 - registers to load packed 16 bit values to
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; %3, %4, %5, %6 - vertical offsets
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; %7 - horizontal offset
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%macro LOAD_BLOCK 7
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movq %1, [r0 + %3 + %7]
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movhps %1, [r0 + %5 + %7]
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movq %2, [r0 + %4 + %7]
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movhps %2, [r0 + %6 + %7]
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%endmacro
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; void ff_hevc_idct_4x4__{8,10}_<opt>(int16_t *coeffs, int col_limit)
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; %1 = bitdepth
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%macro IDCT_4x4 1
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cglobal hevc_idct_4x4_%1, 1, 1, 5, coeffs
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mova m0, [coeffsq]
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mova m1, [coeffsq + 16]
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TR_4x4 7, 1, 1
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TR_4x4 20 - %1, 1, 1
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mova [coeffsq], m0
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mova [coeffsq + 16], m1
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RET
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%endmacro
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; scale, pack (clip16) and store the residuals 0 e8[0] + o8[0] --> + %1
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; 4 at one time (4 columns) 1 e8[1] + o8[1]
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; from %5: e8/16 + o8/16, with %1 offset ...
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; and %3: e8/16 - o8/16, with %2 offset 6 e8[1] - o8[1]
|
||
|
|
; %4 - shift 7 e8[0] - o8[0] --> + %2
|
||
|
|
%macro STORE_8 7
|
||
|
|
psrad %5, %4
|
||
|
|
psrad %3, %4
|
||
|
|
packssdw %5, %3
|
||
|
|
movq [coeffsq + %1], %5
|
||
|
|
movhps [coeffsq + %2], %5
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
; %1 - horizontal offset
|
||
|
|
; %2 - shift
|
||
|
|
; %3, %4 - transform coeffs
|
||
|
|
; %5 - vertical offset for e8 + o8
|
||
|
|
; %6 - vertical offset for e8 - o8
|
||
|
|
; %7 - register with e8 inside
|
||
|
|
; %8 - block_size
|
||
|
|
; %9 - register to store e8 +o8
|
||
|
|
; %10 - register to store e8 - o8
|
||
|
|
%macro E8_O8 10
|
||
|
|
pmaddwd m6, m4, %3
|
||
|
|
pmaddwd m7, m5, %4
|
||
|
|
|
||
|
|
paddd m6, m7
|
||
|
|
paddd m7, m6, %7 ; o8 + e8
|
||
|
|
psubd %7, m6 ; e8 - o8
|
||
|
|
%if %8 == 8
|
||
|
|
STORE_8 %5 + %1, %6 + %1, %7, %2, m7, 0, 0
|
||
|
|
%else
|
||
|
|
SWAP m7, %9
|
||
|
|
SWAP %7, %10
|
||
|
|
%endif
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
; 8x4 residuals are processed and stored
|
||
|
|
; %1 - horizontal offset
|
||
|
|
; %2 - shift
|
||
|
|
; %3 - offset of the even row
|
||
|
|
; %4 - step: 1 for 8x8, 2 for 16x16, 4 for 32x32
|
||
|
|
; %5 - offset of the odd row
|
||
|
|
; %6 - block size
|
||
|
|
; %7 - 1/0 add a constant in TR_4x4 or not
|
||
|
|
; I want to add a constant for 8x8 transform but not for 16x16 and 32x32
|
||
|
|
%macro TR_8x4 7
|
||
|
|
; load 4 columns of even rows
|
||
|
|
LOAD_BLOCK m0, m1, 0, 2 * %4 * %3, %4 * %3, 3 * %4 * %3, %1
|
||
|
|
|
||
|
|
TR_4x4 %2, 0, %7 ; e8: m0, m1, m2, m3, for 4 columns only
|
||
|
|
|
||
|
|
; load 4 columns of odd rows
|
||
|
|
LOAD_BLOCK m4, m5, %4 * %5, 3 * %4 * %5, 5 * %4 * %5, 7 * %4 * %5, %1
|
||
|
|
|
||
|
|
; 00 01 02 03
|
||
|
|
; 10 11 12 13 m4: 10 30 11 31 12 32 13 33
|
||
|
|
|
||
|
|
; ... -- >
|
||
|
|
; m5: 50 70 51 71 52 72 53 73
|
||
|
|
; 70 71 72 73
|
||
|
|
SBUTTERFLY wd, 4, 5, 6
|
||
|
|
|
||
|
|
E8_O8 %1, %2, [pw_89_75], [pw_50_18], 0, %5 * 7, m0, %6, m8, m15
|
||
|
|
E8_O8 %1, %2, [pw_75_m18], [pw_m89_m50], %5, %5 * 6, m1, %6, m9, m14
|
||
|
|
E8_O8 %1, %2, [pw_50_m89], [pw_18_75], %5 * 2, %5 * 5, m2, %6, m10, m13
|
||
|
|
E8_O8 %1, %2, [pw_18_m50], [pw_75_m89], %5 * 3, %5 * 4, m3, %6, m11, m12
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
%macro STORE_PACKED 7
|
||
|
|
movq [r0 + %3 + %7], %1
|
||
|
|
movhps [r0 + %4 + %7], %1
|
||
|
|
movq [r0 + %5 + %7], %2
|
||
|
|
movhps [r0 + %6 + %7], %2
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
; transpose 4x4 block packed
|
||
|
|
; in %1 and %2 registers
|
||
|
|
; %3 - temporary register
|
||
|
|
%macro TRANSPOSE_4x4 3
|
||
|
|
SBUTTERFLY wd, %1, %2, %3
|
||
|
|
SBUTTERFLY dq, %1, %2, %3
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
; %1 - horizontal offset of the block i
|
||
|
|
; %2 - vertical offset of the block i
|
||
|
|
; %3 - width in bytes
|
||
|
|
; %4 - vertical offset for the block j
|
||
|
|
; %5 - horizontal offset for the block j
|
||
|
|
%macro SWAP_BLOCKS 5
|
||
|
|
; M_j
|
||
|
|
LOAD_BLOCK m4, m5, %4, %4 + %3, %4 + 2 * %3, %4 + 3 * %3, %5
|
||
|
|
TRANSPOSE_4x4 4, 5, 6
|
||
|
|
|
||
|
|
; M_i
|
||
|
|
LOAD_BLOCK m6, m7, %2, %2 + %3, %2 + 2 * %3, %2 + 3 * %3, %1
|
||
|
|
|
||
|
|
STORE_PACKED m4, m5, %2, %2 + %3, %2 + 2 * %3, %2 + 3 * %3, %1
|
||
|
|
|
||
|
|
; transpose and store M_i
|
||
|
|
SWAP m6, m4
|
||
|
|
SWAP m7, m5
|
||
|
|
TRANSPOSE_4x4 4, 5, 6
|
||
|
|
STORE_PACKED m4, m5, %4, %4 + %3, %4 + 2 * %3, %4 + 3 * %3, %5
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
; %1 - horizontal offset
|
||
|
|
; %2 - vertical offset of the block
|
||
|
|
; %3 - width in bytes
|
||
|
|
%macro TRANSPOSE_BLOCK 3
|
||
|
|
LOAD_BLOCK m4, m5, %2, %2 + %3, %2 + 2 * %3, %2 + 3 * %3, %1
|
||
|
|
TRANSPOSE_4x4 4, 5, 6
|
||
|
|
STORE_PACKED m4, m5, %2, %2 + %3, %2 + 2 * %3, %2 + 3 * %3, %1
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
%macro TRANSPOSE_8x8 0
|
||
|
|
cglobal hevc_idct_transpose_8x8, 0, 0, 0
|
||
|
|
; M1 M2 ^T = M1^t M3^t
|
||
|
|
; M3 M4 M2^t M4^t
|
||
|
|
|
||
|
|
; M1 4x4 block
|
||
|
|
TRANSPOSE_BLOCK 0, 0, 16
|
||
|
|
|
||
|
|
; M2 and M3
|
||
|
|
SWAP_BLOCKS 0, 64, 16, 0, 8
|
||
|
|
|
||
|
|
; M4
|
||
|
|
TRANSPOSE_BLOCK 8, 64, 16
|
||
|
|
|
||
|
|
ret
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
; void ff_hevc_idct_8x8_{8,10}_<opt>(int16_t *coeffs, int col_limit)
|
||
|
|
; %1 = bitdepth
|
||
|
|
%macro IDCT_8x8 1
|
||
|
|
cglobal hevc_idct_8x8_%1, 1, 1, 8, coeffs
|
||
|
|
TR_8x4 0, 7, 32, 1, 16, 8, 1
|
||
|
|
TR_8x4 8, 7, 32, 1, 16, 8, 1
|
||
|
|
|
||
|
|
call hevc_idct_transpose_8x8_ %+ cpuname
|
||
|
|
|
||
|
|
DEFINE_BIAS %1
|
||
|
|
TR_8x4 0, shift, 32, 1, 16, 8, 1
|
||
|
|
TR_8x4 8, shift, 32, 1, 16, 8, 1
|
||
|
|
|
||
|
|
TAIL_CALL hevc_idct_transpose_8x8_ %+ cpuname, 1
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
; store intermedite e32 coeffs on stack
|
||
|
|
; as 16x4 matrix
|
||
|
|
; from m10: e8 + o8, with %6 offset
|
||
|
|
; and %3: e8 - o8, with %7 offset
|
||
|
|
; %4 - shift, unused here
|
||
|
|
%macro STORE_16 7
|
||
|
|
mova [rsp + %6], %5
|
||
|
|
mova [rsp + %7], %3
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
; %1, %2 - transform constants
|
||
|
|
; %3, %4 - regs with interleaved coeffs
|
||
|
|
; %5 - 1/0 SWAP or add
|
||
|
|
; %6, %7 - registers for intermidiate sums
|
||
|
|
; %8 - accumulator register
|
||
|
|
%macro ADD_ROWS 8
|
||
|
|
pmaddwd %6, %3, %1
|
||
|
|
pmaddwd %7, %4, %2
|
||
|
|
paddd %6, %7
|
||
|
|
%if %5 == 1
|
||
|
|
SWAP %6, %8
|
||
|
|
%else
|
||
|
|
paddd %8, %6
|
||
|
|
%endif
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
; %1 - transform coeffs
|
||
|
|
; %2, %3 offsets for storing e+o/e-o back to coeffsq
|
||
|
|
; %4 - shift
|
||
|
|
; %5 - add
|
||
|
|
; %6 - block_size
|
||
|
|
; %7 - register with e16
|
||
|
|
; %8, %9 - stack offsets for storing e+o/e-o
|
||
|
|
%macro E16_O16 9
|
||
|
|
ADD_ROWS [%1], [%1 + 16], m0, m1, 1, m5, m6, m7
|
||
|
|
ADD_ROWS [%1 + 2 * 16], [%1 + 3 * 16], m2, m3, 0, m5, m6, m7
|
||
|
|
|
||
|
|
%if %6 == 8
|
||
|
|
paddd %7, %5
|
||
|
|
%endif
|
||
|
|
|
||
|
|
paddd m4, m7, %7 ; o16 + e16
|
||
|
|
psubd %7, m7 ; e16 - o16
|
||
|
|
STORE_%6 %2, %3, %7, %4, m4, %8, %9
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
%macro TR_16x4 10
|
||
|
|
; produce 8x4 matrix of e16 coeffs
|
||
|
|
; for 4 first rows and store it on stack (128 bytes)
|
||
|
|
TR_8x4 %1, 7, %4, %5, %6, %8, 0
|
||
|
|
|
||
|
|
; load 8 even rows
|
||
|
|
LOAD_BLOCK m0, m1, %9 * %6, %9 * 3 * %6, %9 * 5 * %6, %9 * 7 * %6, %1
|
||
|
|
LOAD_BLOCK m2, m3, %9 * 9 * %6, %9 * 11 * %6, %9 * 13 * %6, %9 * 15 * %6, %1
|
||
|
|
|
||
|
|
SBUTTERFLY wd, 0, 1, 4
|
||
|
|
SBUTTERFLY wd, 2, 3, 4
|
||
|
|
|
||
|
|
E16_O16 trans_coeffs16, 0 + %1, 15 * %6 + %1, %2, %3, %7, m8, 0, 15 * 16
|
||
|
|
mova m8, %3
|
||
|
|
E16_O16 trans_coeffs16 + 64, %6 + %1, 14 * %6 + %1, %2, m8, %7, m9, 16, 14 * 16
|
||
|
|
E16_O16 trans_coeffs16 + 2 * 64, 2 * %6 + %1, 13 * %6 + %1, %2, m8, %7, m10, 2 * 16, 13 * 16
|
||
|
|
E16_O16 trans_coeffs16 + 3 * 64, 3 * %6 + %1, 12 * %6 + %1, %2, m8, %7, m11, 3 * 16, 12 * 16
|
||
|
|
E16_O16 trans_coeffs16 + 4 * 64, 4 * %6 + %1, 11 * %6 + %1, %2, m8, %7, m12, 4 * 16, 11 * 16
|
||
|
|
E16_O16 trans_coeffs16 + 5 * 64, 5 * %6 + %1, 10 * %6 + %1, %2, m8, %7, m13, 5 * 16, 10 * 16
|
||
|
|
E16_O16 trans_coeffs16 + 6 * 64, 6 * %6 + %1, 9 * %6 + %1, %2, m8, %7, m14, 6 * 16, 9 * 16
|
||
|
|
E16_O16 trans_coeffs16 + 7 * 64, 7 * %6 + %1, 8 * %6 + %1, %2, m8, %7, m15, 7 * 16, 8 * 16
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
%macro TRANSPOSE_16x16 0
|
||
|
|
cglobal hevc_idct_transpose_16x16, 0, 0, 0
|
||
|
|
; M1 M2 M3 M4 ^T m1 m5 m9 m13 M_i^T = m_i
|
||
|
|
; M5 M6 M7 M8 --> m2 m6 m10 m14
|
||
|
|
; M9 M10 M11 M12 m3 m7 m11 m15
|
||
|
|
; M13 M14 M15 M16 m4 m8 m12 m16
|
||
|
|
|
||
|
|
; M1 4x4 block
|
||
|
|
TRANSPOSE_BLOCK 0, 0, 32
|
||
|
|
|
||
|
|
; M5, M2
|
||
|
|
SWAP_BLOCKS 0, 128, 32, 0, 8
|
||
|
|
; M9, M3
|
||
|
|
SWAP_BLOCKS 0, 256, 32, 0, 16
|
||
|
|
; M13, M4
|
||
|
|
SWAP_BLOCKS 0, 384, 32, 0, 24
|
||
|
|
|
||
|
|
;M6
|
||
|
|
TRANSPOSE_BLOCK 8, 128, 32
|
||
|
|
|
||
|
|
; M10, M7
|
||
|
|
SWAP_BLOCKS 8, 256, 32, 128, 16
|
||
|
|
; M14, M8
|
||
|
|
SWAP_BLOCKS 8, 384, 32, 128, 24
|
||
|
|
|
||
|
|
;M11
|
||
|
|
TRANSPOSE_BLOCK 16, 256, 32
|
||
|
|
|
||
|
|
; M15, M12
|
||
|
|
SWAP_BLOCKS 16, 384, 32, 256, 24
|
||
|
|
|
||
|
|
;M16
|
||
|
|
TRANSPOSE_BLOCK 24, 384, 32
|
||
|
|
|
||
|
|
ret
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
; void ff_hevc_idct_16x16_{8,10}_<opt>(int16_t *coeffs, int col_limit)
|
||
|
|
; %1 = bitdepth
|
||
|
|
%macro IDCT_16x16 1
|
||
|
|
cglobal hevc_idct_16x16_%1, 1, 2, 16, coeffs
|
||
|
|
mov r1d, 3
|
||
|
|
.loop16:
|
||
|
|
TR_16x4 8 * r1, 7, [pd_64], 64, 2, 32, 8, 16, 1, 0
|
||
|
|
dec r1d
|
||
|
|
jge .loop16
|
||
|
|
|
||
|
|
call hevc_idct_transpose_16x16_ %+ cpuname
|
||
|
|
|
||
|
|
DEFINE_BIAS %1
|
||
|
|
mov r1d, 3
|
||
|
|
.loop16_2:
|
||
|
|
TR_16x4 8 * r1, shift, [arr_add], 64, 2, 32, 8, 16, 1, 1
|
||
|
|
dec r1d
|
||
|
|
jge .loop16_2
|
||
|
|
|
||
|
|
TAIL_CALL hevc_idct_transpose_16x16_ %+ cpuname, 1
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
; scale, pack (clip16) and store the residuals 0 e32[0] + o32[0] --> %1
|
||
|
|
; 4 at one time (4 columns) 1 e32[1] + o32[1]
|
||
|
|
; %1 - address to store e32 + o32
|
||
|
|
; %2 - address to store e32 - e32
|
||
|
|
; %5 - reg with e32 + o32 ...
|
||
|
|
; %3 - reg with e32 - o32 30 e32[1] - o32[1]
|
||
|
|
; %4 - shift 31 e32[0] - o32[0] --> %2
|
||
|
|
%macro STORE_32 5
|
||
|
|
psrad %5, %4
|
||
|
|
psrad %3, %4
|
||
|
|
packssdw %5, %3
|
||
|
|
movq [%1], %5
|
||
|
|
movhps [%2], %5
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
; %1 - transform coeffs
|
||
|
|
; %2 - stack offset for e32
|
||
|
|
; %2, %3 offsets for storing e+o/e-o back to coeffsq
|
||
|
|
; %4 - shift
|
||
|
|
; %5 - stack offset of e32
|
||
|
|
%macro E32_O32 5
|
||
|
|
ADD_ROWS [%1], [%1 + 16], m0, m1, 1, m8, m9, m10
|
||
|
|
ADD_ROWS [%1 + 2 * 16], [%1 + 3 * 16], m2, m3, 0, m8, m9, m10
|
||
|
|
ADD_ROWS [%1 + 4 * 16], [%1 + 5 * 16], m4, m5, 0, m8, m9, m10
|
||
|
|
ADD_ROWS [%1 + 6 * 16], [%1 + 7 * 16], m6, m7, 0, m8, m9, m10
|
||
|
|
|
||
|
|
paddd m11, m14, [rsp + %5]
|
||
|
|
paddd m12, m10, m11 ; o32 + e32
|
||
|
|
psubd m11, m10 ; e32 - o32
|
||
|
|
STORE_32 %2, %3, m11, %4, m12
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
; %1 - horizontal offset
|
||
|
|
; %2 - bitdepth
|
||
|
|
%macro TR_32x4 3
|
||
|
|
TR_16x4 %1, 7, [pd_64], 128, 4, 64, 16, 16, 2, 0
|
||
|
|
|
||
|
|
LOAD_BLOCK m0, m1, 64, 3 * 64, 5 * 64, 7 * 64, %1
|
||
|
|
LOAD_BLOCK m2, m3, 9 * 64, 11 * 64, 13 * 64, 15 * 64, %1
|
||
|
|
LOAD_BLOCK m4, m5, 17 * 64, 19 * 64, 21 * 64, 23 * 64, %1
|
||
|
|
LOAD_BLOCK m6, m7, 25 * 64, 27 * 64, 29 * 64, 31 * 64, %1
|
||
|
|
|
||
|
|
SBUTTERFLY wd, 0, 1, 8
|
||
|
|
SBUTTERFLY wd, 2, 3, 8
|
||
|
|
SBUTTERFLY wd, 4, 5, 8
|
||
|
|
SBUTTERFLY wd, 6, 7, 8
|
||
|
|
|
||
|
|
%if %3 == 1
|
||
|
|
%assign shift 7
|
||
|
|
mova m14, [pd_64]
|
||
|
|
%else
|
||
|
|
LOAD_BIAS %2, m14
|
||
|
|
%endif
|
||
|
|
|
||
|
|
lea r2, [trans_coeff32 + 15 * 128]
|
||
|
|
lea r3, [coeffsq + %1]
|
||
|
|
lea r4, [r3 + 16 * 64]
|
||
|
|
mov r5d, 15 * 16
|
||
|
|
%%loop:
|
||
|
|
E32_O32 r2, r3 + r5 * 4, r4, shift, r5
|
||
|
|
sub r2, 128
|
||
|
|
add r4, 64
|
||
|
|
sub r5d, 16
|
||
|
|
jge %%loop
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
%macro TRANSPOSE_32x32 0
|
||
|
|
cglobal hevc_idct_transpose_32x32, 0, 0, 0
|
||
|
|
; M0 M1 ... M7
|
||
|
|
; M8 M15
|
||
|
|
;
|
||
|
|
; ...
|
||
|
|
;
|
||
|
|
; M56 M63
|
||
|
|
|
||
|
|
TRANSPOSE_BLOCK 0, 0, 64 ; M1
|
||
|
|
mov r1d, 7
|
||
|
|
mov r2d, 7 * 256
|
||
|
|
.loop_transpose:
|
||
|
|
SWAP_BLOCKS 0, r2, 64, 0, r1 * 8
|
||
|
|
sub r2d, 256
|
||
|
|
dec r1d
|
||
|
|
jg .loop_transpose
|
||
|
|
|
||
|
|
TRANSPOSE_BLOCK 8, 256, 64 ; M9
|
||
|
|
mov r1d, 6
|
||
|
|
mov r2d, 512
|
||
|
|
mov r3d, 16
|
||
|
|
.loop_transpose2:
|
||
|
|
SWAP_BLOCKS 8, r2, 64, 256, r3
|
||
|
|
add r3d, 8
|
||
|
|
add r2d, 256
|
||
|
|
dec r1d
|
||
|
|
jg .loop_transpose2
|
||
|
|
|
||
|
|
TRANSPOSE_BLOCK 2 * 8, 2 * 256, 64 ; M9
|
||
|
|
mov r1d, 5
|
||
|
|
mov r2d, 768
|
||
|
|
mov r3d, 24
|
||
|
|
.loop_transpose3:
|
||
|
|
SWAP_BLOCKS 2 * 8, r2, 64, 2 * 256, r3
|
||
|
|
add r3d, 8
|
||
|
|
add r2d, 256
|
||
|
|
dec r1d
|
||
|
|
jg .loop_transpose3
|
||
|
|
|
||
|
|
TRANSPOSE_BLOCK 3 * 8, 3 * 256, 64 ; M27
|
||
|
|
mov r1d, 4
|
||
|
|
mov r2d, 1024
|
||
|
|
mov r3d, 32
|
||
|
|
.loop_transpose4:
|
||
|
|
SWAP_BLOCKS 3 * 8, r2, 64, 3 * 256, r3
|
||
|
|
add r3d, 8
|
||
|
|
add r2d, 256
|
||
|
|
dec r1d
|
||
|
|
jg .loop_transpose4
|
||
|
|
|
||
|
|
TRANSPOSE_BLOCK 4 * 8, 4 * 256, 64 ; M36
|
||
|
|
mov r1d, 3
|
||
|
|
mov r2d, 1280
|
||
|
|
mov r3d, 40
|
||
|
|
.loop_transpose5:
|
||
|
|
SWAP_BLOCKS 4 * 8, r2, 64, 4 * 256, r3
|
||
|
|
add r3d, 8
|
||
|
|
add r2d, 256
|
||
|
|
dec r1d
|
||
|
|
jg .loop_transpose5
|
||
|
|
|
||
|
|
TRANSPOSE_BLOCK 5 * 8, 5 * 256, 64 ; M45
|
||
|
|
SWAP_BLOCKS 5 * 8, 6 * 256, 64, 5 * 256, 6 * 8
|
||
|
|
SWAP_BLOCKS 5 * 8, 7 * 256, 64, 5 * 256, 7 * 8
|
||
|
|
|
||
|
|
TRANSPOSE_BLOCK 6 * 8, 6 * 256, 64 ; M54
|
||
|
|
SWAP_BLOCKS 6 * 8, 7 * 256, 64, 6 * 256, 7 * 8
|
||
|
|
|
||
|
|
TRANSPOSE_BLOCK 7 * 8, 7 * 256, 64 ; M63
|
||
|
|
|
||
|
|
ret
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
; void ff_hevc_idct_32x32_{8,10}_<opt>(int16_t *coeffs, int col_limit)
|
||
|
|
; %1 = bitdepth
|
||
|
|
%macro IDCT_32x32 1
|
||
|
|
cglobal hevc_idct_32x32_%1, 1, 6, 16, 256, coeffs
|
||
|
|
mov r1d, 7
|
||
|
|
.loop32:
|
||
|
|
TR_32x4 8 * r1, %1, 1
|
||
|
|
dec r1d
|
||
|
|
jge .loop32
|
||
|
|
|
||
|
|
call hevc_idct_transpose_32x32_ %+ cpuname
|
||
|
|
|
||
|
|
mov r1d, 7
|
||
|
|
.loop32_2:
|
||
|
|
TR_32x4 8 * r1, %1, 0
|
||
|
|
dec r1d
|
||
|
|
jge .loop32_2
|
||
|
|
|
||
|
|
TAIL_CALL hevc_idct_transpose_32x32_ %+ cpuname, 1
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
%macro INIT_IDCT_DC 1
|
||
|
|
INIT_MMX mmxext
|
||
|
|
IDCT_DC_NL 4, %1
|
||
|
|
IDCT_DC 8, 2, %1
|
||
|
|
|
||
|
|
INIT_XMM sse2
|
||
|
|
IDCT_DC_NL 8, %1
|
||
|
|
IDCT_DC 16, 4, %1
|
||
|
|
IDCT_DC 32, 16, %1
|
||
|
|
|
||
|
|
%if HAVE_AVX2_EXTERNAL
|
||
|
|
INIT_YMM avx2
|
||
|
|
IDCT_DC 16, 2, %1
|
||
|
|
IDCT_DC 32, 8, %1
|
||
|
|
%endif ;HAVE_AVX2_EXTERNAL
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
%macro INIT_IDCT 2
|
||
|
|
INIT_XMM %2
|
||
|
|
%if %1 == 8
|
||
|
|
TRANSPOSE_8x8
|
||
|
|
%if ARCH_X86_64
|
||
|
|
TRANSPOSE_16x16
|
||
|
|
TRANSPOSE_32x32
|
||
|
|
%endif
|
||
|
|
%endif
|
||
|
|
%if ARCH_X86_64
|
||
|
|
IDCT_32x32 %1
|
||
|
|
IDCT_16x16 %1
|
||
|
|
%endif
|
||
|
|
IDCT_8x8 %1
|
||
|
|
IDCT_4x4 %1
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
INIT_IDCT_DC 8
|
||
|
|
INIT_IDCT_DC 10
|
||
|
|
INIT_IDCT_DC 12
|
||
|
|
INIT_IDCT 8, sse2
|
||
|
|
INIT_IDCT 8, avx
|
||
|
|
INIT_IDCT 10, sse2
|
||
|
|
INIT_IDCT 10, avx
|
||
|
|
;INIT_IDCT 12, sse2
|
||
|
|
;INIT_IDCT 12, avx
|