vp10/common/filter.h

   1 /*
   2  *  Copyright (c) 2011 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11 #ifndef VP10_COMMON_FILTER_H_
  12 #define VP10_COMMON_FILTER_H_
  13
  14 #include "./vpx_config.h"
  15 #include "vpx/vpx_integer.h"
  16 #include "vpx_dsp/vpx_filter.h"
  17 #include "vpx_ports/mem.h"
  18
  19
  20 #ifdef __cplusplus
  21 extern "C" {
  22 #endif
  23
  24 #define EIGHTTAP            0
  25 #define EIGHTTAP_SMOOTH     1
  26 #define EIGHTTAP_SHARP      2
  27 #define SWITCHABLE_FILTERS  3 /* Number of switchable filters */
  28 #define BILINEAR            3
  29 // The codec can operate in four possible inter prediction filter mode:
  30 // 8-tap, 8-tap-smooth, 8-tap-sharp, and switching between the three.
  31 #define SWITCHABLE_FILTER_CONTEXTS (SWITCHABLE_FILTERS + 1)
  32 #define SWITCHABLE 4 /* should be the last one */
  33
  34 typedef uint8_t INTERP_FILTER;
  35
  36 extern const InterpKernel *vp10_filter_kernels[4];
  37
  38 #ifdef __cplusplus
  39 }  // extern "C"
  40 #endif
  41
  42 #endif  // VP10_COMMON_FILTER_H_