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/*
* Copyright (c) 2011 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VPX_VP9_COMMON_VP9_FILTER_H_
#define VPX_VP9_COMMON_VP9_FILTER_H_
#include "./vpx_config.h"
#include "vpx/vpx_integer.h"
#include "vpx_dsp/vpx_filter.h"
#include "vpx_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
#define FOURTAP 4
// 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 *vp9_filter_kernels[5];
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VPX_VP9_COMMON_VP9_FILTER_H_
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