LCOV - code coverage report
Current view: top level - src - filters.h (source / functions) Hit Total Coverage
Test: Code coverage Lines: 2 2 100.0 %
Date: 2025-03-29 09:04:10 Functions: 0 0 -
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 10 12 83.3 %

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            :  * This file is part of libplacebo.
       3                 :            :  *
       4                 :            :  * libplacebo is free software; you can redistribute it and/or
       5                 :            :  * modify it under the terms of the GNU Lesser General Public
       6                 :            :  * License as published by the Free Software Foundation; either
       7                 :            :  * version 2.1 of the License, or (at your option) any later version.
       8                 :            :  *
       9                 :            :  * libplacebo is distributed in the hope that it will be useful,
      10                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12                 :            :  * GNU Lesser General Public License for more details.
      13                 :            :  *
      14                 :            :  * You should have received a copy of the GNU Lesser General Public
      15                 :            :  * License along with libplacebo.  If not, see <http://www.gnu.org/licenses/>.
      16                 :            :  */
      17                 :            : 
      18                 :            : #pragma once
      19                 :            : 
      20                 :            : #include <libplacebo/filters.h>
      21                 :            : 
      22                 :            : static inline float pl_filter_radius_bound(const struct pl_filter_config *c)
      23                 :            : {
      24   [ +  +  -  +  :     475786 :     const float r = c->radius && c->kernel->resizable ? c->radius : c->kernel->radius;
             +  +  -  + ]
      25   [ +  +  +  + ]:     475786 :     return c->blur > 0.0 ? r * c->blur : r;
      26                 :            : }
      27                 :            : 
      28                 :            : #define COMMON_FILTER_PRESETS                                                   \
      29                 :            :     /* Highest priority / recommended filters */                                \
      30                 :            :     {"bilinear",            &pl_filter_bilinear,    "Bilinear"},                \
      31                 :            :     {"nearest",             &pl_filter_nearest,     "Nearest neighbour"},       \
      32                 :            :     {"bicubic",             &pl_filter_bicubic,     "Bicubic"},                 \
      33                 :            :     {"lanczos",             &pl_filter_lanczos,     "Lanczos"},                 \
      34                 :            :     {"ewa_lanczos",         &pl_filter_ewa_lanczos, "Jinc (EWA Lanczos)"},      \
      35                 :            :     {"ewa_lanczossharp",    &pl_filter_ewa_lanczossharp,     "Sharpened Jinc"}, \
      36                 :            :     {"ewa_lanczos4sharpest",&pl_filter_ewa_lanczos4sharpest, "Sharpened Jinc-AR, 4 taps"},\
      37                 :            :     {"gaussian",            &pl_filter_gaussian,    "Gaussian"},                \
      38                 :            :     {"spline16",            &pl_filter_spline16,    "Spline (2 taps)"},         \
      39                 :            :     {"spline36",            &pl_filter_spline36,    "Spline (3 taps)"},         \
      40                 :            :     {"spline64",            &pl_filter_spline64,    "Spline (4 taps)"},         \
      41                 :            :     {"mitchell",            &pl_filter_mitchell,    "Mitchell-Netravali"},      \
      42                 :            :                                                                                 \
      43                 :            :     /* Remaining filters */                                                     \
      44                 :            :     {"sinc",                &pl_filter_sinc,        "Sinc (unwindowed)"},       \
      45                 :            :     {"ginseng",             &pl_filter_ginseng,     "Ginseng (Jinc-Sinc)"},     \
      46                 :            :     {"ewa_jinc",            &pl_filter_ewa_jinc,    "EWA Jinc (unwindowed)"},   \
      47                 :            :     {"ewa_ginseng",         &pl_filter_ewa_ginseng, "EWA Ginseng"},             \
      48                 :            :     {"ewa_hann",            &pl_filter_ewa_hann,    "EWA Hann"},                \
      49                 :            :     {"hermite",             &pl_filter_hermite,     "Hermite"},                 \
      50                 :            :     {"catmull_rom",         &pl_filter_catmull_rom, "Catmull-Rom"},             \
      51                 :            :     {"robidoux",            &pl_filter_robidoux,          "Robidoux"},          \
      52                 :            :     {"robidouxsharp",       &pl_filter_robidouxsharp,     "RobidouxSharp"},     \
      53                 :            :     {"ewa_robidoux",        &pl_filter_ewa_robidoux,      "EWA Robidoux"},      \
      54                 :            :     {"ewa_robidouxsharp",   &pl_filter_ewa_robidouxsharp, "EWA RobidouxSharp"}, \
      55                 :            :                                                                                 \
      56                 :            :     /* Aliases */                                                               \
      57                 :            :     {"triangle",            &pl_filter_bilinear},                               \
      58                 :            :     {"ewa_hanning",         &pl_filter_ewa_hann}

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