vp9dsp.c (4150B)
1 /* 2 * VP9 compatible video decoder 3 * 4 * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com> 5 * Copyright (C) 2013 Clément Bœsch <u pkh me> 6 * 7 * This file is part of FFmpeg. 8 * 9 * FFmpeg is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Lesser General Public 11 * License as published by the Free Software Foundation; either 12 * version 2.1 of the License, or (at your option) any later version. 13 * 14 * FFmpeg is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public 20 * License along with FFmpeg; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 22 */ 23 24 #include "config.h" 25 26 #include "libavutil/attributes.h" 27 #include "libavutil/avassert.h" 28 #include "libavutil/mem_internal.h" 29 30 #include "vp9dsp.h" 31 32 const DECLARE_ALIGNED(16, int16_t, ff_vp9_subpel_filters)[3][16][8] = { 33 [FILTER_8TAP_REGULAR] = { 34 { 0, 0, 0, 128, 0, 0, 0, 0 }, 35 { 0, 1, -5, 126, 8, -3, 1, 0 }, 36 { -1, 3, -10, 122, 18, -6, 2, 0 }, 37 { -1, 4, -13, 118, 27, -9, 3, -1 }, 38 { -1, 4, -16, 112, 37, -11, 4, -1 }, 39 { -1, 5, -18, 105, 48, -14, 4, -1 }, 40 { -1, 5, -19, 97, 58, -16, 5, -1 }, 41 { -1, 6, -19, 88, 68, -18, 5, -1 }, 42 { -1, 6, -19, 78, 78, -19, 6, -1 }, 43 { -1, 5, -18, 68, 88, -19, 6, -1 }, 44 { -1, 5, -16, 58, 97, -19, 5, -1 }, 45 { -1, 4, -14, 48, 105, -18, 5, -1 }, 46 { -1, 4, -11, 37, 112, -16, 4, -1 }, 47 { -1, 3, -9, 27, 118, -13, 4, -1 }, 48 { 0, 2, -6, 18, 122, -10, 3, -1 }, 49 { 0, 1, -3, 8, 126, -5, 1, 0 }, 50 }, [FILTER_8TAP_SHARP] = { 51 { 0, 0, 0, 128, 0, 0, 0, 0 }, 52 { -1, 3, -7, 127, 8, -3, 1, 0 }, 53 { -2, 5, -13, 125, 17, -6, 3, -1 }, 54 { -3, 7, -17, 121, 27, -10, 5, -2 }, 55 { -4, 9, -20, 115, 37, -13, 6, -2 }, 56 { -4, 10, -23, 108, 48, -16, 8, -3 }, 57 { -4, 10, -24, 100, 59, -19, 9, -3 }, 58 { -4, 11, -24, 90, 70, -21, 10, -4 }, 59 { -4, 11, -23, 80, 80, -23, 11, -4 }, 60 { -4, 10, -21, 70, 90, -24, 11, -4 }, 61 { -3, 9, -19, 59, 100, -24, 10, -4 }, 62 { -3, 8, -16, 48, 108, -23, 10, -4 }, 63 { -2, 6, -13, 37, 115, -20, 9, -4 }, 64 { -2, 5, -10, 27, 121, -17, 7, -3 }, 65 { -1, 3, -6, 17, 125, -13, 5, -2 }, 66 { 0, 1, -3, 8, 127, -7, 3, -1 }, 67 }, [FILTER_8TAP_SMOOTH] = { 68 { 0, 0, 0, 128, 0, 0, 0, 0 }, 69 { -3, -1, 32, 64, 38, 1, -3, 0 }, 70 { -2, -2, 29, 63, 41, 2, -3, 0 }, 71 { -2, -2, 26, 63, 43, 4, -4, 0 }, 72 { -2, -3, 24, 62, 46, 5, -4, 0 }, 73 { -2, -3, 21, 60, 49, 7, -4, 0 }, 74 { -1, -4, 18, 59, 51, 9, -4, 0 }, 75 { -1, -4, 16, 57, 53, 12, -4, -1 }, 76 { -1, -4, 14, 55, 55, 14, -4, -1 }, 77 { -1, -4, 12, 53, 57, 16, -4, -1 }, 78 { 0, -4, 9, 51, 59, 18, -4, -1 }, 79 { 0, -4, 7, 49, 60, 21, -3, -2 }, 80 { 0, -4, 5, 46, 62, 24, -3, -2 }, 81 { 0, -4, 4, 43, 63, 26, -2, -2 }, 82 { 0, -3, 2, 41, 63, 29, -2, -2 }, 83 { 0, -3, 1, 38, 64, 32, -1, -3 }, 84 } 85 }; 86 87 88 av_cold void ff_vp9dsp_init(VP9DSPContext *dsp, int bpp, int bitexact) 89 { 90 if (bpp == 8) { 91 ff_vp9dsp_init_8(dsp); 92 } else if (bpp == 10) { 93 ff_vp9dsp_init_10(dsp); 94 } else { 95 av_assert0(bpp == 12); 96 ff_vp9dsp_init_12(dsp); 97 } 98 99 #if ARCH_AARCH64 100 ff_vp9dsp_init_aarch64(dsp, bpp); 101 #elif ARCH_ARM 102 ff_vp9dsp_init_arm(dsp, bpp); 103 #elif ARCH_RISCV 104 ff_vp9dsp_init_riscv(dsp, bpp, bitexact); 105 #elif ARCH_X86 106 ff_vp9dsp_init_x86(dsp, bpp, bitexact); 107 #elif ARCH_MIPS 108 ff_vp9dsp_init_mips(dsp, bpp); 109 #elif ARCH_LOONGARCH 110 ff_vp9dsp_init_loongarch(dsp, bpp); 111 #endif 112 }