diff options
Diffstat (limited to 'src/filters.h')
| -rw-r--r-- | src/filters.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/filters.h b/src/filters.h new file mode 100644 index 0000000..c3227db --- /dev/null +++ b/src/filters.h @@ -0,0 +1,58 @@ +/* + * This file is part of libplacebo. + * + * libplacebo is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * libplacebo is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with libplacebo. If not, see <http://www.gnu.org/licenses/>. + */ + +#pragma once + +#include <libplacebo/filters.h> + +static inline float pl_filter_radius_bound(const struct pl_filter_config *c) +{ + const float r = c->radius && c->kernel->resizable ? c->radius : c->kernel->radius; + return c->blur > 0.0 ? r * c->blur : r; +} + +#define COMMON_FILTER_PRESETS \ + /* Highest priority / recommended filters */ \ + {"bilinear", &pl_filter_bilinear, "Bilinear"}, \ + {"nearest", &pl_filter_nearest, "Nearest neighbour"}, \ + {"bicubic", &pl_filter_bicubic, "Bicubic"}, \ + {"lanczos", &pl_filter_lanczos, "Lanczos"}, \ + {"ewa_lanczos", &pl_filter_ewa_lanczos, "Jinc (EWA Lanczos)"}, \ + {"ewa_lanczossharp", &pl_filter_ewa_lanczossharp, "Sharpened Jinc"}, \ + {"ewa_lanczos4sharpest",&pl_filter_ewa_lanczos4sharpest, "Sharpened Jinc-AR, 4 taps"},\ + {"gaussian", &pl_filter_gaussian, "Gaussian"}, \ + {"spline16", &pl_filter_spline16, "Spline (2 taps)"}, \ + {"spline36", &pl_filter_spline36, "Spline (3 taps)"}, \ + {"spline64", &pl_filter_spline64, "Spline (4 taps)"}, \ + {"mitchell", &pl_filter_mitchell, "Mitchell-Netravali"}, \ + \ + /* Remaining filters */ \ + {"sinc", &pl_filter_sinc, "Sinc (unwindowed)"}, \ + {"ginseng", &pl_filter_ginseng, "Ginseng (Jinc-Sinc)"}, \ + {"ewa_jinc", &pl_filter_ewa_jinc, "EWA Jinc (unwindowed)"}, \ + {"ewa_ginseng", &pl_filter_ewa_ginseng, "EWA Ginseng"}, \ + {"ewa_hann", &pl_filter_ewa_hann, "EWA Hann"}, \ + {"hermite", &pl_filter_hermite, "Hermite"}, \ + {"catmull_rom", &pl_filter_catmull_rom, "Catmull-Rom"}, \ + {"robidoux", &pl_filter_robidoux, "Robidoux"}, \ + {"robidouxsharp", &pl_filter_robidouxsharp, "RobidouxSharp"}, \ + {"ewa_robidoux", &pl_filter_ewa_robidoux, "EWA Robidoux"}, \ + {"ewa_robidouxsharp", &pl_filter_ewa_robidouxsharp, "EWA RobidouxSharp"}, \ + \ + /* Aliases */ \ + {"triangle", &pl_filter_bilinear}, \ + {"ewa_hanning", &pl_filter_ewa_hann} |