| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #ifndef AV1_COMMON_FILTER_H_ |
| #define AV1_COMMON_FILTER_H_ |
| |
| #include "./aom_config.h" |
| #include "aom/aom_integer.h" |
| #include "aom_dsp/aom_filter.h" |
| #include "aom_ports/mem.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define EIGHTTAP 0 |
| #define EIGHTTAP_SMOOTH 1 |
| #define EIGHTTAP_SHARP 2 |
| #define SWITCHABLE_FILTERS 3 /* Number of switchable filters */ |
| #define BILINEAR 3 |
| // The codec can operate in four possible inter prediction filter mode: |
| // 8-tap, 8-tap-smooth, 8-tap-sharp, and switching between the three. |
| #define SWITCHABLE_FILTER_CONTEXTS (SWITCHABLE_FILTERS + 1) |
| #define SWITCHABLE 4 /* should be the last one */ |
| |
| typedef uint8_t INTERP_FILTER; |
| |
| extern const InterpKernel *av1_filter_kernels[4]; |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AV1_COMMON_FILTER_H_ |