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