LCOV - code coverage report
Current view: top level - libavcodec - vp9dsp.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 9 9 100.0 %
Date: 2017-12-13 10:57:33 Functions: 1 1 100.0 %

          Line data    Source code
       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 "libavutil/avassert.h"
      25             : #include "libavutil/common.h"
      26             : #include "vp9dsp.h"
      27             : 
      28             : const DECLARE_ALIGNED(16, int16_t, ff_vp9_subpel_filters)[3][16][8] = {
      29             :     [FILTER_8TAP_REGULAR] = {
      30             :         {  0,  0,   0, 128,   0,   0,  0,  0 },
      31             :         {  0,  1,  -5, 126,   8,  -3,  1,  0 },
      32             :         { -1,  3, -10, 122,  18,  -6,  2,  0 },
      33             :         { -1,  4, -13, 118,  27,  -9,  3, -1 },
      34             :         { -1,  4, -16, 112,  37, -11,  4, -1 },
      35             :         { -1,  5, -18, 105,  48, -14,  4, -1 },
      36             :         { -1,  5, -19,  97,  58, -16,  5, -1 },
      37             :         { -1,  6, -19,  88,  68, -18,  5, -1 },
      38             :         { -1,  6, -19,  78,  78, -19,  6, -1 },
      39             :         { -1,  5, -18,  68,  88, -19,  6, -1 },
      40             :         { -1,  5, -16,  58,  97, -19,  5, -1 },
      41             :         { -1,  4, -14,  48, 105, -18,  5, -1 },
      42             :         { -1,  4, -11,  37, 112, -16,  4, -1 },
      43             :         { -1,  3,  -9,  27, 118, -13,  4, -1 },
      44             :         {  0,  2,  -6,  18, 122, -10,  3, -1 },
      45             :         {  0,  1,  -3,   8, 126,  -5,  1,  0 },
      46             :     }, [FILTER_8TAP_SHARP] = {
      47             :         {  0,  0,   0, 128,   0,   0,  0,  0 },
      48             :         { -1,  3,  -7, 127,   8,  -3,  1,  0 },
      49             :         { -2,  5, -13, 125,  17,  -6,  3, -1 },
      50             :         { -3,  7, -17, 121,  27, -10,  5, -2 },
      51             :         { -4,  9, -20, 115,  37, -13,  6, -2 },
      52             :         { -4, 10, -23, 108,  48, -16,  8, -3 },
      53             :         { -4, 10, -24, 100,  59, -19,  9, -3 },
      54             :         { -4, 11, -24,  90,  70, -21, 10, -4 },
      55             :         { -4, 11, -23,  80,  80, -23, 11, -4 },
      56             :         { -4, 10, -21,  70,  90, -24, 11, -4 },
      57             :         { -3,  9, -19,  59, 100, -24, 10, -4 },
      58             :         { -3,  8, -16,  48, 108, -23, 10, -4 },
      59             :         { -2,  6, -13,  37, 115, -20,  9, -4 },
      60             :         { -2,  5, -10,  27, 121, -17,  7, -3 },
      61             :         { -1,  3,  -6,  17, 125, -13,  5, -2 },
      62             :         {  0,  1,  -3,   8, 127,  -7,  3, -1 },
      63             :     }, [FILTER_8TAP_SMOOTH] = {
      64             :         {  0,  0,   0, 128,   0,   0,  0,  0 },
      65             :         { -3, -1,  32,  64,  38,   1, -3,  0 },
      66             :         { -2, -2,  29,  63,  41,   2, -3,  0 },
      67             :         { -2, -2,  26,  63,  43,   4, -4,  0 },
      68             :         { -2, -3,  24,  62,  46,   5, -4,  0 },
      69             :         { -2, -3,  21,  60,  49,   7, -4,  0 },
      70             :         { -1, -4,  18,  59,  51,   9, -4,  0 },
      71             :         { -1, -4,  16,  57,  53,  12, -4, -1 },
      72             :         { -1, -4,  14,  55,  55,  14, -4, -1 },
      73             :         { -1, -4,  12,  53,  57,  16, -4, -1 },
      74             :         {  0, -4,   9,  51,  59,  18, -4, -1 },
      75             :         {  0, -4,   7,  49,  60,  21, -3, -2 },
      76             :         {  0, -4,   5,  46,  62,  24, -3, -2 },
      77             :         {  0, -4,   4,  43,  63,  26, -2, -2 },
      78             :         {  0, -3,   2,  41,  63,  29, -2, -2 },
      79             :         {  0, -3,   1,  38,  64,  32, -1, -3 },
      80             :     }
      81             : };
      82             : 
      83             : 
      84         646 : av_cold void ff_vp9dsp_init(VP9DSPContext *dsp, int bpp, int bitexact)
      85             : {
      86         646 :     if (bpp == 8) {
      87         500 :         ff_vp9dsp_init_8(dsp);
      88         146 :     } else if (bpp == 10) {
      89          73 :         ff_vp9dsp_init_10(dsp);
      90             :     } else {
      91          73 :         av_assert0(bpp == 12);
      92          73 :         ff_vp9dsp_init_12(dsp);
      93             :     }
      94             : 
      95             :     if (ARCH_AARCH64) ff_vp9dsp_init_aarch64(dsp, bpp);
      96             :     if (ARCH_ARM) ff_vp9dsp_init_arm(dsp, bpp);
      97         646 :     if (ARCH_X86) ff_vp9dsp_init_x86(dsp, bpp, bitexact);
      98             :     if (ARCH_MIPS) ff_vp9dsp_init_mips(dsp, bpp);
      99         646 : }

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