mirror of
https://github.com/FFmpeg/FFmpeg.git
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255 lines
16 KiB
C
255 lines
16 KiB
C
/*
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* HEVC video decoder
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*
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* Copyright (C) 2012 - 2013 Guillaume Martres
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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 "hevcdsp.h"
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static const int8_t transform[32][32] = {
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{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
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64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
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{ 90, 90, 88, 85, 82, 78, 73, 67, 61, 54, 46, 38, 31, 22, 13, 4,
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-4, -13, -22, -31, -38, -46, -54, -61, -67, -73, -78, -82, -85, -88, -90, -90 },
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{ 90, 87, 80, 70, 57, 43, 25, 9, -9, -25, -43, -57, -70, -80, -87, -90,
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-90, -87, -80, -70, -57, -43, -25, -9, 9, 25, 43, 57, 70, 80, 87, 90 },
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{ 90, 82, 67, 46, 22, -4, -31, -54, -73, -85, -90, -88, -78, -61, -38, -13,
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13, 38, 61, 78, 88, 90, 85, 73, 54, 31, 4, -22, -46, -67, -82, -90 },
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{ 89, 75, 50, 18, -18, -50, -75, -89, -89, -75, -50, -18, 18, 50, 75, 89,
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89, 75, 50, 18, -18, -50, -75, -89, -89, -75, -50, -18, 18, 50, 75, 89 },
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{ 88, 67, 31, -13, -54, -82, -90, -78, -46, -4, 38, 73, 90, 85, 61, 22,
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-22, -61, -85, -90, -73, -38, 4, 46, 78, 90, 82, 54, 13, -31, -67, -88 },
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{ 87, 57, 9, -43, -80, -90, -70, -25, 25, 70, 90, 80, 43, -9, -57, -87,
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-87, -57, -9, 43, 80, 90, 70, 25, -25, -70, -90, -80, -43, 9, 57, 87 },
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{ 85, 46, -13, -67, -90, -73, -22, 38, 82, 88, 54, -4, -61, -90, -78, -31,
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31, 78, 90, 61, 4, -54, -88, -82, -38, 22, 73, 90, 67, 13, -46, -85 },
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{ 83, 36, -36, -83, -83, -36, 36, 83, 83, 36, -36, -83, -83, -36, 36, 83,
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83, 36, -36, -83, -83, -36, 36, 83, 83, 36, -36, -83, -83, -36, 36, 83 },
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{ 82, 22, -54, -90, -61, 13, 78, 85, 31, -46, -90, -67, 4, 73, 88, 38,
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-38, -88, -73, -4, 67, 90, 46, -31, -85, -78, -13, 61, 90, 54, -22, -82 },
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{ 80, 9, -70, -87, -25, 57, 90, 43, -43, -90, -57, 25, 87, 70, -9, -80,
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-80, -9, 70, 87, 25, -57, -90, -43, 43, 90, 57, -25, -87, -70, 9, 80 },
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{ 78, -4, -82, -73, 13, 85, 67, -22, -88, -61, 31, 90, 54, -38, -90, -46,
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46, 90, 38, -54, -90, -31, 61, 88, 22, -67, -85, -13, 73, 82, 4, -78 },
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{ 75, -18, -89, -50, 50, 89, 18, -75, -75, 18, 89, 50, -50, -89, -18, 75,
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75, -18, -89, -50, 50, 89, 18, -75, -75, 18, 89, 50, -50, -89, -18, 75 },
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{ 73, -31, -90, -22, 78, 67, -38, -90, -13, 82, 61, -46, -88, -4, 85, 54,
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-54, -85, 4, 88, 46, -61, -82, 13, 90, 38, -67, -78, 22, 90, 31, -73 },
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{ 70, -43, -87, 9, 90, 25, -80, -57, 57, 80, -25, -90, -9, 87, 43, -70,
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-70, 43, 87, -9, -90, -25, 80, 57, -57, -80, 25, 90, 9, -87, -43, 70 },
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{ 67, -54, -78, 38, 85, -22, -90, 4, 90, 13, -88, -31, 82, 46, -73, -61,
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61, 73, -46, -82, 31, 88, -13, -90, -4, 90, 22, -85, -38, 78, 54, -67 },
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{ 64, -64, -64, 64, 64, -64, -64, 64, 64, -64, -64, 64, 64, -64, -64, 64,
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64, -64, -64, 64, 64, -64, -64, 64, 64, -64, -64, 64, 64, -64, -64, 64 },
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{ 61, -73, -46, 82, 31, -88, -13, 90, -4, -90, 22, 85, -38, -78, 54, 67,
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-67, -54, 78, 38, -85, -22, 90, 4, -90, 13, 88, -31, -82, 46, 73, -61 },
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{ 57, -80, -25, 90, -9, -87, 43, 70, -70, -43, 87, 9, -90, 25, 80, -57,
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-57, 80, 25, -90, 9, 87, -43, -70, 70, 43, -87, -9, 90, -25, -80, 57 },
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{ 54, -85, -4, 88, -46, -61, 82, 13, -90, 38, 67, -78, -22, 90, -31, -73,
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73, 31, -90, 22, 78, -67, -38, 90, -13, -82, 61, 46, -88, 4, 85, -54 },
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{ 50, -89, 18, 75, -75, -18, 89, -50, -50, 89, -18, -75, 75, 18, -89, 50,
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50, -89, 18, 75, -75, -18, 89, -50, -50, 89, -18, -75, 75, 18, -89, 50 },
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{ 46, -90, 38, 54, -90, 31, 61, -88, 22, 67, -85, 13, 73, -82, 4, 78,
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-78, -4, 82, -73, -13, 85, -67, -22, 88, -61, -31, 90, -54, -38, 90, -46 },
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{ 43, -90, 57, 25, -87, 70, 9, -80, 80, -9, -70, 87, -25, -57, 90, -43,
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-43, 90, -57, -25, 87, -70, -9, 80, -80, 9, 70, -87, 25, 57, -90, 43 },
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{ 38, -88, 73, -4, -67, 90, -46, -31, 85, -78, 13, 61, -90, 54, 22, -82,
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82, -22, -54, 90, -61, -13, 78, -85, 31, 46, -90, 67, 4, -73, 88, -38 },
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{ 36, -83, 83, -36, -36, 83, -83, 36, 36, -83, 83, -36, -36, 83, -83, 36,
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36, -83, 83, -36, -36, 83, -83, 36, 36, -83, 83, -36, -36, 83, -83, 36 },
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{ 31, -78, 90, -61, 4, 54, -88, 82, -38, -22, 73, -90, 67, -13, -46, 85,
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-85, 46, 13, -67, 90, -73, 22, 38, -82, 88, -54, -4, 61, -90, 78, -31 },
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{ 25, -70, 90, -80, 43, 9, -57, 87, -87, 57, -9, -43, 80, -90, 70, -25,
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-25, 70, -90, 80, -43, -9, 57, -87, 87, -57, 9, 43, -80, 90, -70, 25 },
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{ 22, -61, 85, -90, 73, -38, -4, 46, -78, 90, -82, 54, -13, -31, 67, -88,
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88, -67, 31, 13, -54, 82, -90, 78, -46, 4, 38, -73, 90, -85, 61, -22 },
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{ 18, -50, 75, -89, 89, -75, 50, -18, -18, 50, -75, 89, -89, 75, -50, 18,
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18, -50, 75, -89, 89, -75, 50, -18, -18, 50, -75, 89, -89, 75, -50, 18 },
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{ 13, -38, 61, -78, 88, -90, 85, -73, 54, -31, 4, 22, -46, 67, -82, 90,
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-90, 82, -67, 46, -22, -4, 31, -54, 73, -85, 90, -88, 78, -61, 38, -13 },
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{ 9, -25, 43, -57, 70, -80, 87, -90, 90, -87, 80, -70, 57, -43, 25, -9,
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-9, 25, -43, 57, -70, 80, -87, 90, -90, 87, -80, 70, -57, 43, -25, 9 },
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{ 4, -13, 22, -31, 38, -46, 54, -61, 67, -73, 78, -82, 85, -88, 90, -90,
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90, -90, 88, -85, 82, -78, 73, -67, 61, -54, 46, -38, 31, -22, 13, -4 },
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};
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DECLARE_ALIGNED(16, const int16_t, ff_hevc_epel_coeffs)[7][16] = {
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{ -2, 58, 10, -2, -2, 58, 10, -2, -2, 58, 10, -2, -2, 58, 10, -2 },
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{ -4, 54, 16, -2, -4, 54, 16, -2, -4, 54, 16, -2, -4, 54, 16, -2 },
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{ -6, 46, 28, -4, -6, 46, 28, -4, -6, 46, 28, -4, -6, 46, 28, -4 },
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{ -4, 36, 36, -4, -4, 36, 36, -4, -4, 36, 36, -4, -4, 36, 36, -4 },
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{ -4, 28, 46, -6, -4, 28, 46, -6, -4, 28, 46, -6, -4, 28, 46, -6 },
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{ -2, 16, 54, -4, -2, 16, 54, -4, -2, 16, 54, -4, -2, 16, 54, -4 },
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{ -2, 10, 58, -2, -2, 10, 58, -2, -2, 10, 58, -2, -2, 10, 58, -2 },
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};
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DECLARE_ALIGNED(16, const int8_t, ff_hevc_epel_coeffs8)[7][16] = {
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{ -2, 58, 10, -2, -2, 58, 10, -2, -2, 58, 10, -2, -2, 58, 10, -2 },
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{ -4, 54, 16, -2, -4, 54, 16, -2, -4, 54, 16, -2, -4, 54, 16, -2 },
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{ -6, 46, 28, -4, -6, 46, 28, -4, -6, 46, 28, -4, -6, 46, 28, -4 },
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{ -4, 36, 36, -4, -4, 36, 36, -4, -4, 36, 36, -4, -4, 36, 36, -4 },
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{ -4, 28, 46, -6, -4, 28, 46, -6, -4, 28, 46, -6, -4, 28, 46, -6 },
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{ -2, 16, 54, -4, -2, 16, 54, -4, -2, 16, 54, -4, -2, 16, 54, -4 },
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{ -2, 10, 58, -2, -2, 10, 58, -2, -2, 10, 58, -2, -2, 10, 58, -2 },
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};
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DECLARE_ALIGNED(16, const int16_t, ff_hevc_qpel_coeffs)[3][8] = {
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{ -1, 4, -10, 58, 17, -5, 1, 0 },
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{ -1, 4, -11, 40, 40, -11, 4, -1 },
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{ 0, 1, -5, 17, 58, -10, 4, -1 },
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};
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DECLARE_ALIGNED(16, const int8_t, ff_hevc_qpel_coeffs8)[3][16] = {
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{ -1, 4, -10, 58, 17, -5, 1, 0, -1, 4, -10, 58, 17, -5, 1, 0 },
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{ -1, 4, -11, 40, 40, -11, 4, -1, -1, 4, -11, 40, 40, -11, 4, -1 },
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{ 0, 1, -5, 17, 58, -10, 4, -1, 0, 1, -5, 17, 58, -10, 4, -1 },
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};
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#define BIT_DEPTH 8
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#include "hevcdsp_template.c"
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#undef BIT_DEPTH
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#define BIT_DEPTH 9
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#include "hevcdsp_template.c"
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#undef BIT_DEPTH
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#define BIT_DEPTH 10
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#include "hevcdsp_template.c"
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#undef BIT_DEPTH
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void ff_hevc_dsp_init(HEVCDSPContext *hevcdsp, int bit_depth)
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{
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#undef FUNC
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#define FUNC(a, depth) a ## _ ## depth
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#define QPEL_FUNC(i, width, depth) \
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hevcdsp->put_hevc_qpel[0][0][i] = FUNC(put_hevc_qpel_pixels_ ## width, depth); \
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hevcdsp->put_hevc_qpel[0][1][i] = FUNC(put_hevc_qpel_h_ ## width, depth); \
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hevcdsp->put_hevc_qpel[1][0][i] = FUNC(put_hevc_qpel_v_ ## width, depth); \
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hevcdsp->put_hevc_qpel[1][1][i] = FUNC(put_hevc_qpel_hv_ ## width, depth); \
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#define EPEL_FUNC(i, width, depth) \
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hevcdsp->put_hevc_epel[0][0][i] = FUNC(put_hevc_epel_pixels_ ## width, depth); \
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hevcdsp->put_hevc_epel[0][1][i] = FUNC(put_hevc_epel_h_ ## width, depth); \
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hevcdsp->put_hevc_epel[1][0][i] = FUNC(put_hevc_epel_v_ ## width, depth); \
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hevcdsp->put_hevc_epel[1][1][i] = FUNC(put_hevc_epel_hv_ ## width, depth); \
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#define PRED_FUNC(i, width, depth) \
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hevcdsp->put_unweighted_pred[i] = FUNC(put_unweighted_pred_ ## width, depth); \
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hevcdsp->put_unweighted_pred_avg[i] = FUNC(put_unweighted_pred_avg_ ## width, depth); \
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hevcdsp->weighted_pred[i] = FUNC(put_weighted_pred_ ## width, depth); \
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hevcdsp->weighted_pred_avg[i] = FUNC(put_weighted_pred_avg_ ## width, depth); \
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#define PRED_FUNC_CHROMA(i, width, depth) \
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hevcdsp->put_unweighted_pred_chroma[i] = FUNC(put_unweighted_pred_ ## width, depth); \
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hevcdsp->put_unweighted_pred_avg_chroma[i] = FUNC(put_unweighted_pred_avg_ ## width, depth); \
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hevcdsp->weighted_pred_chroma[i] = FUNC(put_weighted_pred_ ## width, depth); \
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hevcdsp->weighted_pred_avg_chroma[i] = FUNC(put_weighted_pred_avg_ ## width, depth); \
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#define HEVC_DSP(depth) \
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hevcdsp->put_pcm = FUNC(put_pcm, depth); \
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hevcdsp->add_residual[0] = FUNC(add_residual4x4, depth); \
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hevcdsp->add_residual[1] = FUNC(add_residual8x8, depth); \
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hevcdsp->add_residual[2] = FUNC(add_residual16x16, depth); \
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hevcdsp->add_residual[3] = FUNC(add_residual32x32, depth); \
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hevcdsp->dequant = FUNC(dequant, depth); \
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hevcdsp->transform_4x4_luma = FUNC(transform_4x4_luma, depth); \
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hevcdsp->idct[0] = FUNC(idct_4x4, depth); \
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hevcdsp->idct[1] = FUNC(idct_8x8, depth); \
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hevcdsp->idct[2] = FUNC(idct_16x16, depth); \
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hevcdsp->idct[3] = FUNC(idct_32x32, depth); \
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\
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hevcdsp->idct_dc[0] = FUNC(idct_4x4_dc, depth); \
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hevcdsp->idct_dc[1] = FUNC(idct_8x8_dc, depth); \
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hevcdsp->idct_dc[2] = FUNC(idct_16x16_dc, depth); \
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hevcdsp->idct_dc[3] = FUNC(idct_32x32_dc, depth); \
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hevcdsp->sao_band_filter[0] = FUNC(sao_band_filter_0, depth); \
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hevcdsp->sao_band_filter[1] = FUNC(sao_band_filter_1, depth); \
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hevcdsp->sao_band_filter[2] = FUNC(sao_band_filter_2, depth); \
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hevcdsp->sao_band_filter[3] = FUNC(sao_band_filter_3, depth); \
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\
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hevcdsp->sao_edge_filter[0] = FUNC(sao_edge_filter_0, depth); \
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hevcdsp->sao_edge_filter[1] = FUNC(sao_edge_filter_1, depth); \
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hevcdsp->sao_edge_filter[2] = FUNC(sao_edge_filter_2, depth); \
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hevcdsp->sao_edge_filter[3] = FUNC(sao_edge_filter_3, depth); \
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\
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QPEL_FUNC(0, 4, depth); \
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QPEL_FUNC(1, 8, depth); \
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QPEL_FUNC(2, 12, depth); \
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QPEL_FUNC(3, 16, depth); \
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QPEL_FUNC(4, 24, depth); \
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QPEL_FUNC(5, 32, depth); \
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QPEL_FUNC(6, 48, depth); \
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QPEL_FUNC(7, 64, depth); \
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\
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EPEL_FUNC(0, 2, depth); \
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EPEL_FUNC(1, 4, depth); \
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EPEL_FUNC(2, 6, depth); \
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EPEL_FUNC(3, 8, depth); \
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EPEL_FUNC(4, 12, depth); \
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EPEL_FUNC(5, 16, depth); \
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EPEL_FUNC(6, 24, depth); \
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EPEL_FUNC(7, 32, depth); \
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\
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PRED_FUNC(0, 4, depth); \
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PRED_FUNC(1, 8, depth); \
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PRED_FUNC(2, 12, depth); \
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PRED_FUNC(3, 16, depth); \
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PRED_FUNC(4, 24, depth); \
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PRED_FUNC(5, 32, depth); \
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PRED_FUNC(6, 48, depth); \
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PRED_FUNC(7, 64, depth); \
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PRED_FUNC_CHROMA(0, 2, depth); \
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PRED_FUNC_CHROMA(1, 4, depth); \
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PRED_FUNC_CHROMA(2, 6, depth); \
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PRED_FUNC_CHROMA(3, 8, depth); \
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PRED_FUNC_CHROMA(4, 12, depth); \
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PRED_FUNC_CHROMA(5, 16, depth); \
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PRED_FUNC_CHROMA(6, 24, depth); \
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PRED_FUNC_CHROMA(7, 32, depth); \
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\
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hevcdsp->hevc_h_loop_filter_luma = FUNC(hevc_h_loop_filter_luma, depth); \
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hevcdsp->hevc_v_loop_filter_luma = FUNC(hevc_v_loop_filter_luma, depth); \
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hevcdsp->hevc_h_loop_filter_chroma = FUNC(hevc_h_loop_filter_chroma, depth); \
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hevcdsp->hevc_v_loop_filter_chroma = FUNC(hevc_v_loop_filter_chroma, depth); \
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hevcdsp->hevc_h_loop_filter_luma_c = FUNC(hevc_h_loop_filter_luma, depth); \
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hevcdsp->hevc_v_loop_filter_luma_c = FUNC(hevc_v_loop_filter_luma, depth); \
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hevcdsp->hevc_h_loop_filter_chroma_c = FUNC(hevc_h_loop_filter_chroma, depth); \
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hevcdsp->hevc_v_loop_filter_chroma_c = FUNC(hevc_v_loop_filter_chroma, depth);
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switch (bit_depth) {
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case 9:
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HEVC_DSP(9);
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break;
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case 10:
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HEVC_DSP(10);
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break;
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default:
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HEVC_DSP(8);
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break;
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}
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if (ARCH_ARM)
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ff_hevc_dsp_init_arm(hevcdsp, bit_depth);
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if (ARCH_PPC)
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ff_hevc_dsp_init_ppc(hevcdsp, bit_depth);
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if (ARCH_X86)
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ff_hevc_dsp_init_x86(hevcdsp, bit_depth);
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}
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